--- /dev/null
+<?php
+/*
+* Module written/ported by Xavier Noguer <xnoguer@rezebra.com>
+*
+* The majority of this is _NOT_ my code. I simply ported it from the
+* PERL Spreadsheet::WriteExcel module.
+*
+* The author of the Spreadsheet::WriteExcel module is John McNamara
+* <jmcnamara@cpan.org>
+*
+* I _DO_ maintain this code, and John McNamara has nothing to do with the
+* porting of this code to PHP. Any questions directly related to this
+* class library should be directed to me.
+*
+* License Information:
+*
+* Spreadsheet::WriteExcel: A library for generating Excel Spreadsheets
+* Copyright (C) 2002 Xavier Noguer xnoguer@rezebra.com
+*
+* This library is free software; you can redistribute it and/or
+* modify it under the terms of the GNU Lesser General Public
+* License as published by the Free Software Foundation; either
+* version 2.1 of the License, or (at your option) any later version.
+*
+* This library is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public
+* License along with this library; if not, write to the Free Software
+* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+/**
+* @const ADD token identifier for character "+"
+*/
+define('ADD',"+");
+
+/**
+* @const SUB token identifier for character "-"
+*/
+define('SUB',"-");
+
+/**
+* @const EQUAL token identifier for character "="
+*/
+define('EQUAL',"=");
+
+/**
+* @const MUL token identifier for character "*"
+*/
+define('MUL',"*");
+
+/**
+* @const DIV token identifier for character "/"
+*/
+define('DIV',"/");
+
+/**
+* @const OPEN token identifier for character "("
+*/
+define('OPEN',"(");
+
+/**
+* @const CLOSE token identifier for character ")"
+*/
+define('CLOSE',")");
+
+/**
+* @const COMA token identifier for character ","
+*/
+define('COMA',",");
+
+/**
+* Class for writing Excel BIFF records.
+*
+* From "MICROSOFT EXCEL BINARY FILE FORMAT" by Mark O'Brien (Microsoft Corporation):
+*
+* BIFF (BInary File Format) is the file format in which Excel documents are
+* saved on disk. A BIFF file is a complete description of an Excel document.
+* BIFF files consist of sequences of variable-length records. There are many
+* different types of BIFF records. For example, one record type describes a
+* formula entered into a cell; one describes the size and location of a
+* window into a document; another describes a picture format.
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+
+class BIFFWriter
+{
+ var $_BIFF_version = 0x0500;
+
+/**
+* Constructor
+*
+* @access public
+*/
+ function BIFFwriter()
+ {
+ // The byte order of this architecture. 0 => little endian, 1 => big endian
+ $this->_byte_order = '';
+ // The string containing the data of the BIFF stream
+ $this->_data = '';
+ // Should be the same as strlen($this->_data)
+ $this->_datasize = 0;
+ // The maximun length for a BIFF record. See _add_continue()
+ $this->_limit = 2080;
+ // Set the byte order
+ $this->_set_byte_order();
+ }
+
+/**
+* Determine the byte order and store it as class data to avoid
+* recalculating it for each call to new().
+*
+* @access private
+*/
+ function _set_byte_order()
+ {
+ if ($this->_byte_order == '')
+ {
+ // Check if "pack" gives the required IEEE 64bit float
+ $teststr = pack("d", 1.2345);
+ $number = pack("C8", 0x8D, 0x97, 0x6E, 0x12, 0x83, 0xC0, 0xF3, 0x3F);
+ if ($number == $teststr) {
+ $byte_order = 0; // Little Endian
+ }
+ elseif ($number == strrev($teststr)){
+ $byte_order = 1; // Big Endian
+ }
+ else {
+ // Give up. I'll fix this in a later version.
+ die("Required floating point format not supported ".
+ "on this platform. See the portability section ".
+ "of the documentation."
+ );
+ }
+ }
+ $this->_byte_order = $byte_order;
+ }
+
+/**
+* General storage function
+*
+* @param string $data binary data to prepend
+* @access private
+*/
+ function _prepend($data)
+ {
+ if (strlen($data) > $this->_limit) {
+ $data = $this->_add_continue($data);
+ }
+ $this->_data = $data.$this->_data;
+ $this->_datasize += strlen($data);
+ }
+
+/**
+* General storage function
+*
+* @param string $data binary data to append
+* @access private
+*/
+ function _append($data)
+ {
+ if (strlen($data) > $this->_limit) {
+ $data = $this->_add_continue($data);
+ }
+ $this->_data = $this->_data.$data;
+ $this->_datasize += strlen($data);
+ }
+
+/**
+* Writes Excel BOF record to indicate the beginning of a stream or
+* sub-stream in the BIFF file.
+*
+* @param integer $type type of BIFF file to write: 0x0005 Workbook, 0x0010 Worksheet.
+* @access private
+*/
+ function _store_bof($type)
+ {
+ $record = 0x0809; // Record identifier
+ $length = 0x0008; // Number of bytes to follow
+ $version = $this->_BIFF_version;
+
+ // According to the SDK $build and $year should be set to zero.
+ // However, this throws a warning in Excel 5. So, use these
+ // magic numbers.
+ $build = 0x096C;
+ $year = 0x07C9;
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvv", $version, $type, $build, $year);
+ $this->_prepend($header.$data);
+ }
+
+/**
+* Writes Excel EOF record to indicate the end of a BIFF stream.
+*
+* @access private
+*/
+ function _store_eof()
+ {
+ $record = 0x000A; // Record identifier
+ $length = 0x0000; // Number of bytes to follow
+ $header = pack("vv", $record, $length);
+ $this->_append($header);
+ }
+
+/**
+* Excel limits the size of BIFF records. In Excel 5 the limit is 2084 bytes. In
+* Excel 97 the limit is 8228 bytes. Records that are longer than these limits
+* must be split up into CONTINUE blocks.
+*
+* This function takes a long BIFF record and inserts CONTINUE records as
+* necessary.
+*
+* @param string $data The original binary data to be written
+* @return string A very convenient string of continue blocks
+* @access private
+*/
+ function _add_continue($data)
+ {
+ $limit = $this->_limit;
+ $record = 0x003C; // Record identifier
+
+ // The first 2080/8224 bytes remain intact. However, we have to change
+ // the length field of the record.
+ $tmp = substr($data, 0, 2).pack("v", $limit-4).substr($data, 4, $limit - 4);
+
+ $header = pack("vv", $record, $limit); // Headers for continue records
+
+ // Retrieve chunks of 2080/8224 bytes +4 for the header.
+ for($i = $limit; $i < strlen($data) - $limit; $i += $limit)
+ {
+ $tmp .= $header;
+ $tmp .= substr($data, $i, $limit);
+ }
+
+ // Retrieve the last chunk of data
+ $header = pack("vv", $record, strlen($data) - $i);
+ $tmp .= $header;
+ $tmp .= substr($data,$i,strlen($data) - $i);
+
+ return($tmp);
+ }
+}
+
+/**
+* Class for creating OLE streams for Excel Spreadsheets
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+class OLEwriter
+{
+ /**
+ * Filename for the OLE stream
+ * @var string
+ * @see _initialize()
+ */
+ var $_OLEfilename;
+
+ /**
+ * Filehandle for the OLE stream
+ * @var resource
+ */
+ var $_filehandle;
+
+ /**
+ * Name of the temporal file in case OLE stream goes to stdout
+ * @var string
+ */
+ var $_tmp_filename;
+
+ /**
+ * Variable for preventing closing two times
+ * @var integer
+ */
+ var $_fileclosed;
+
+ /**
+ * Size of the data to be written to the OLE stream
+ * @var integer
+ */
+ var $_biffsize;
+
+ /**
+ * Real data size to be written to the OLE stream
+ * @var integer
+ */
+ var $_booksize;
+
+ /**
+ * Number of big blocks in the OLE stream
+ * @var integer
+ */
+ var $_big_blocks;
+
+ /**
+ * Number of list blocks in the OLE stream
+ * @var integer
+ */
+ var $_list_blocks;
+
+ /**
+ * Number of big blocks in the OLE stream
+ * @var integer
+ */
+ var $_root_start;
+
+ /**
+ * Class for creating an OLEwriter
+ *
+ * @param string $OLEfilename the name of the file for the OLE stream
+ */
+ function OLEwriter($OLEfilename)
+ {
+ $this->_OLEfilename = $OLEfilename;
+ $this->_filehandle = "";
+ $this->_tmp_filename = "";
+ $this->_fileclosed = 0;
+ //$this->_size_allowed = 0;
+ $this->_biffsize = 0;
+ $this->_booksize = 0;
+ $this->_big_blocks = 0;
+ $this->_list_blocks = 0;
+ $this->_root_start = 0;
+ //$this->_block_count = 4;
+ $this->_initialize();
+ }
+
+/**
+* Check for a valid filename and store the filehandle.
+* Filehandle "-" writes to STDOUT
+*/
+ function _initialize()
+ {
+ $OLEfile = $this->_OLEfilename;
+
+ if(($OLEfile == '-') or ($OLEfile == ''))
+ {
+ $this->_tmp_filename = tempnam("/tmp", "OLEwriter");
+ $fh = fopen($this->_tmp_filename,"wb");
+ if ($fh == false) {
+ die("Can't create temporary file.");
+ }
+ }
+ else
+ {
+ // Create a new file, open for writing (in binmode)
+ $fh = fopen($OLEfile,"wb");
+ if ($fh == false) {
+ die("Can't open $OLEfile. It may be in use or protected.");
+ }
+ }
+
+ // Store filehandle
+ $this->_filehandle = $fh;
+ }
+
+
+ /**
+ * Set the size of the data to be written to the OLE stream.
+ * The maximun size comes from this:
+ * $big_blocks = (109 depot block x (128 -1 marker word)
+ * - (1 x end words)) = 13842
+ * $maxsize = $big_blocks * 512 bytes = 7087104
+ *
+ * @access public
+ * @see Workbook::store_OLE_file()
+ * @param integer $biffsize The size of the data to be written to the OLE stream
+ * @return integer 1 for success
+ */
+ function set_size($biffsize)
+ {
+ $maxsize = 7087104; // TODO: extend max size
+
+ if ($biffsize > $maxsize) {
+ die("Maximum file size, $maxsize, exceeded.");
+ }
+
+ $this->_biffsize = $biffsize;
+ // Set the min file size to 4k to avoid having to use small blocks
+ if ($biffsize > 4096) {
+ $this->_booksize = $biffsize;
+ }
+ else {
+ $this->_booksize = 4096;
+ }
+ //$this->_size_allowed = 1;
+ return(1);
+ }
+
+
+ /**
+ * Calculate various sizes needed for the OLE stream
+ */
+ function _calculate_sizes()
+ {
+ $datasize = $this->_booksize;
+ if ($datasize % 512 == 0) {
+ $this->_big_blocks = $datasize/512;
+ }
+ else {
+ $this->_big_blocks = floor($datasize/512) + 1;
+ }
+ // There are 127 list blocks and 1 marker blocks for each big block
+ // depot + 1 end of chain block
+ $this->_list_blocks = floor(($this->_big_blocks)/127) + 1;
+ $this->_root_start = $this->_big_blocks;
+ }
+
+ /**
+ * Write root entry, big block list and close the filehandle.
+ * This routine is used to explicitly close the open filehandle without
+ * having to wait for DESTROY.
+ *
+ * @access public
+ * @see Workbook::store_OLE_file()
+ */
+ function close()
+ {
+ //return if not $this->{_size_allowed};
+ $this->_write_padding();
+ $this->_write_property_storage();
+ $this->_write_big_block_depot();
+ // Close the filehandle
+ fclose($this->_filehandle);
+ if(($this->_OLEfilename == '-') or ($this->_OLEfilename == ''))
+ {
+ $fh = fopen($this->_tmp_filename, "rb");
+ if ($fh == false) {
+ die("Can't read temporary file.");
+ }
+ fpassthru($fh);
+ // Delete the temporary file.
+ @unlink($this->_tmp_filename);
+ }
+ $this->_fileclosed = 1;
+ }
+
+
+ /**
+ * Write BIFF data to OLE file.
+ *
+ * @param string $data string of bytes to be written
+ */
+ function write($data) //por ahora sólo a STDOUT
+ {
+ fwrite($this->_filehandle,$data,strlen($data));
+ }
+
+
+ /**
+ * Write OLE header block.
+ */
+ function write_header()
+ {
+ $this->_calculate_sizes();
+ $root_start = $this->_root_start;
+ $num_lists = $this->_list_blocks;
+ $id = pack("nnnn", 0xD0CF, 0x11E0, 0xA1B1, 0x1AE1);
+ $unknown1 = pack("VVVV", 0x00, 0x00, 0x00, 0x00);
+ $unknown2 = pack("vv", 0x3E, 0x03);
+ $unknown3 = pack("v", -2);
+ $unknown4 = pack("v", 0x09);
+ $unknown5 = pack("VVV", 0x06, 0x00, 0x00);
+ $num_bbd_blocks = pack("V", $num_lists);
+ $root_startblock = pack("V", $root_start);
+ $unknown6 = pack("VV", 0x00, 0x1000);
+ $sbd_startblock = pack("V", -2);
+ $unknown7 = pack("VVV", 0x00, -2 ,0x00);
+ $unused = pack("V", -1);
+
+ fwrite($this->_filehandle,$id);
+ fwrite($this->_filehandle,$unknown1);
+ fwrite($this->_filehandle,$unknown2);
+ fwrite($this->_filehandle,$unknown3);
+ fwrite($this->_filehandle,$unknown4);
+ fwrite($this->_filehandle,$unknown5);
+ fwrite($this->_filehandle,$num_bbd_blocks);
+ fwrite($this->_filehandle,$root_startblock);
+ fwrite($this->_filehandle,$unknown6);
+ fwrite($this->_filehandle,$sbd_startblock);
+ fwrite($this->_filehandle,$unknown7);
+
+ for($i=1; $i <= $num_lists; $i++)
+ {
+ $root_start++;
+ fwrite($this->_filehandle,pack("V",$root_start));
+ }
+ for($i = $num_lists; $i <=108; $i++)
+ {
+ fwrite($this->_filehandle,$unused);
+ }
+ }
+
+
+ /**
+ * Write big block depot.
+ */
+ function _write_big_block_depot()
+ {
+ $num_blocks = $this->_big_blocks;
+ $num_lists = $this->_list_blocks;
+ $total_blocks = $num_lists *128;
+ $used_blocks = $num_blocks + $num_lists +2;
+
+ $marker = pack("V", -3);
+ $end_of_chain = pack("V", -2);
+ $unused = pack("V", -1);
+
+ for($i=1; $i < $num_blocks; $i++)
+ {
+ fwrite($this->_filehandle,pack("V",$i));
+ }
+ fwrite($this->_filehandle,$end_of_chain);
+ fwrite($this->_filehandle,$end_of_chain);
+ for($i=0; $i < $num_lists; $i++)
+ {
+ fwrite($this->_filehandle,$marker);
+ }
+ for($i=$used_blocks; $i <= $total_blocks; $i++)
+ {
+ fwrite($this->_filehandle,$unused);
+ }
+ }
+
+/**
+* Write property storage. TODO: add summary sheets
+*/
+ function _write_property_storage()
+ {
+ //$rootsize = -2;
+ /*************** name type dir start size */
+ $this->_write_pps("Root Entry", 0x05, 1, -2, 0x00);
+ $this->_write_pps("Book", 0x02, -1, 0x00, $this->_booksize);
+ $this->_write_pps('', 0x00, -1, 0x00, 0x0000);
+ $this->_write_pps('', 0x00, -1, 0x00, 0x0000);
+ }
+
+/**
+* Write property sheet in property storage
+*
+* @param string $name name of the property storage.
+* @param integer $type type of the property storage.
+* @param integer $dir dir of the property storage.
+* @param integer $start start of the property storage.
+* @param integer $size size of the property storage.
+* @access private
+*/
+ function _write_pps($name,$type,$dir,$start,$size)
+ {
+ $length = 0;
+ $rawname = '';
+
+ if ($name != '')
+ {
+ $name = $name . "\0";
+ for($i=0;$i<strlen($name);$i++)
+ {
+ // Simulate a Unicode string
+ $rawname .= pack("H*",dechex(ord($name{$i}))).pack("C",0);
+ }
+ $length = strlen($name) * 2;
+ }
+
+ $zero = pack("C", 0);
+ $pps_sizeofname = pack("v", $length); // 0x40
+ $pps_type = pack("v", $type); // 0x42
+ $pps_prev = pack("V", -1); // 0x44
+ $pps_next = pack("V", -1); // 0x48
+ $pps_dir = pack("V", $dir); // 0x4c
+
+ $unknown1 = pack("V", 0);
+
+ $pps_ts1s = pack("V", 0); // 0x64
+ $pps_ts1d = pack("V", 0); // 0x68
+ $pps_ts2s = pack("V", 0); // 0x6c
+ $pps_ts2d = pack("V", 0); // 0x70
+ $pps_sb = pack("V", $start); // 0x74
+ $pps_size = pack("V", $size); // 0x78
+
+
+ fwrite($this->_filehandle,$rawname);
+ for($i=0; $i < (64 -$length); $i++) {
+ fwrite($this->_filehandle,$zero);
+ }
+ fwrite($this->_filehandle,$pps_sizeofname);
+ fwrite($this->_filehandle,$pps_type);
+ fwrite($this->_filehandle,$pps_prev);
+ fwrite($this->_filehandle,$pps_next);
+ fwrite($this->_filehandle,$pps_dir);
+ for($i=0; $i < 5; $i++) {
+ fwrite($this->_filehandle,$unknown1);
+ }
+ fwrite($this->_filehandle,$pps_ts1s);
+ fwrite($this->_filehandle,$pps_ts1d);
+ fwrite($this->_filehandle,$pps_ts2d);
+ fwrite($this->_filehandle,$pps_ts2d);
+ fwrite($this->_filehandle,$pps_sb);
+ fwrite($this->_filehandle,$pps_size);
+ fwrite($this->_filehandle,$unknown1);
+ }
+
+ /**
+ * Pad the end of the file
+ */
+ function _write_padding()
+ {
+ $biffsize = $this->_biffsize;
+ if ($biffsize < 4096) {
+ $min_size = 4096;
+ }
+ else {
+ $min_size = 512;
+ }
+ if ($biffsize % $min_size != 0)
+ {
+ $padding = $min_size - ($biffsize % $min_size);
+ for($i=0; $i < $padding; $i++) {
+ fwrite($this->_filehandle,"\0");
+ }
+ }
+ }
+}
+
+/**
+* Class for generating Excel XF records (formats)
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+
+class Format
+{
+ /**
+ * Constructor
+ *
+ * @access public
+ * @param integer $index the XF index for the format.
+ * @param array $properties array with properties to be set on initialization.
+ */
+ function Format($index = 0,$properties = array())
+ {
+ $this->xf_index = $index;
+
+ $this->font_index = 0;
+ $this->font = 'Arial';
+ $this->size = 10;
+ $this->bold = 0x0190;
+ $this->_italic = 0;
+ $this->color = 0x7FFF;
+ $this->_underline = 0;
+ $this->font_strikeout = 0;
+ $this->font_outline = 0;
+ $this->font_shadow = 0;
+ $this->font_script = 0;
+ $this->font_family = 0;
+ $this->font_charset = 0;
+
+ $this->_num_format = 0;
+
+ $this->hidden = 0;
+ $this->locked = 1;
+
+ $this->_text_h_align = 0;
+ $this->_text_wrap = 0;
+ $this->text_v_align = 2;
+ $this->text_justlast = 0;
+ $this->rotation = 0;
+
+ $this->fg_color = 0x40;
+ $this->bg_color = 0x41;
+
+ $this->pattern = 0;
+
+ $this->bottom = 0;
+ $this->top = 0;
+ $this->left = 0;
+ $this->right = 0;
+
+ $this->bottom_color = 0x40;
+ $this->top_color = 0x40;
+ $this->left_color = 0x40;
+ $this->right_color = 0x40;
+
+ // Set properties passed to Workbook::add_format()
+ foreach($properties as $property => $value)
+ {
+ if(method_exists($this,"set_$property"))
+ {
+ $aux = 'set_'.$property;
+ $this->$aux($value);
+ }
+ }
+ }
+
+ /**
+ * Generate an Excel BIFF XF record (style or cell).
+ *
+ * @param string $style The type of the XF record ('style' or 'cell').
+ * @return string The XF record
+ */
+ function get_xf($style)
+ {
+ // Set the type of the XF record and some of the attributes.
+ if ($style == "style") {
+ $style = 0xFFF5;
+ }
+ else {
+ $style = $this->locked;
+ $style |= $this->hidden << 1;
+ }
+
+ // Flags to indicate if attributes have been set.
+ $atr_num = ($this->_num_format != 0)?1:0;
+ $atr_fnt = ($this->font_index != 0)?1:0;
+ $atr_alc = ($this->_text_wrap)?1:0;
+ $atr_bdr = ($this->bottom ||
+ $this->top ||
+ $this->left ||
+ $this->right)?1:0;
+ $atr_pat = (($this->fg_color != 0x40) ||
+ ($this->bg_color != 0x41) ||
+ $this->pattern)?1:0;
+ $atr_prot = 0;
+
+ // Zero the default border colour if the border has not been set.
+ if ($this->bottom == 0) {
+ $this->bottom_color = 0;
+ }
+ if ($this->top == 0) {
+ $this->top_color = 0;
+ }
+ if ($this->right == 0) {
+ $this->right_color = 0;
+ }
+ if ($this->left == 0) {
+ $this->left_color = 0;
+ }
+
+ $record = 0x00E0; // Record identifier
+ $length = 0x0010; // Number of bytes to follow
+
+ $ifnt = $this->font_index; // Index to FONT record
+ $ifmt = $this->_num_format; // Index to FORMAT record
+
+ $align = $this->_text_h_align; // Alignment
+ $align |= $this->_text_wrap << 3;
+ $align |= $this->text_v_align << 4;
+ $align |= $this->text_justlast << 7;
+ $align |= $this->rotation << 8;
+ $align |= $atr_num << 10;
+ $align |= $atr_fnt << 11;
+ $align |= $atr_alc << 12;
+ $align |= $atr_bdr << 13;
+ $align |= $atr_pat << 14;
+ $align |= $atr_prot << 15;
+
+ $icv = $this->fg_color; // fg and bg pattern colors
+ $icv |= $this->bg_color << 7;
+
+ $fill = $this->pattern; // Fill and border line style
+ $fill |= $this->bottom << 6;
+ $fill |= $this->bottom_color << 9;
+
+ $border1 = $this->top; // Border line style and color
+ $border1 |= $this->left << 3;
+ $border1 |= $this->right << 6;
+ $border1 |= $this->top_color << 9;
+
+ $border2 = $this->left_color; // Border color
+ $border2 |= $this->right_color << 7;
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvvvvv", $ifnt, $ifmt, $style, $align,
+ $icv, $fill,
+ $border1, $border2);
+ return($header.$data);
+ }
+
+ /**
+ * Generate an Excel BIFF FONT record.
+ *
+ * @see Workbook::_store_all_fonts()
+ * @return string The FONT record
+ */
+ function get_font()
+ {
+ $dyHeight = $this->size * 20; // Height of font (1/20 of a point)
+ $icv = $this->color; // Index to color palette
+ $bls = $this->bold; // Bold style
+ $sss = $this->font_script; // Superscript/subscript
+ $uls = $this->_underline; // Underline
+ $bFamily = $this->font_family; // Font family
+ $bCharSet = $this->font_charset; // Character set
+ $rgch = $this->font; // Font name
+
+ $cch = strlen($rgch); // Length of font name
+ $record = 0x31; // Record identifier
+ $length = 0x0F + $cch; // Record length
+ $reserved = 0x00; // Reserved
+ $grbit = 0x00; // Font attributes
+ if ($this->_italic) {
+ $grbit |= 0x02;
+ }
+ if ($this->font_strikeout) {
+ $grbit |= 0x08;
+ }
+ if ($this->font_outline) {
+ $grbit |= 0x10;
+ }
+ if ($this->font_shadow) {
+ $grbit |= 0x20;
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvvCCCCC", $dyHeight, $grbit, $icv, $bls,
+ $sss, $uls, $bFamily,
+ $bCharSet, $reserved, $cch);
+ return($header . $data. $this->font);
+ }
+
+ /**
+ * Returns a unique hash key for a font. Used by Workbook->_store_all_fonts()
+ *
+ * The elements that form the key are arranged to increase the probability of
+ * generating a unique key. Elements that hold a large range of numbers
+ * (eg. _color) are placed between two binary elements such as _italic
+ *
+ * @return string A key for this font
+ */
+ function get_font_key()
+ {
+ $key = "$this->font$this->size";
+ $key .= "$this->font_script$this->_underline";
+ $key .= "$this->font_strikeout$this->bold$this->font_outline";
+ $key .= "$this->font_family$this->font_charset";
+ $key .= "$this->font_shadow$this->color$this->_italic";
+ $key = str_replace(" ","_",$key);
+ return ($key);
+ }
+
+ /**
+ * Returns the index used by Worksheet->_XF()
+ *
+ * @return integer The index for the XF record
+ */
+ function get_xf_index()
+ {
+ return($this->xf_index);
+ }
+
+ /**
+ * Used in conjunction with the set_xxx_color methods to convert a color
+ * string into a number. Color range is 0..63 but we will restrict it
+ * to 8..63 to comply with Gnumeric. Colors 0..7 are repeated in 8..15.
+ *
+ * @param string $name_color name of the color (i.e.: 'blue', 'red', etc..). Optional.
+ * @return integer The color index
+ */
+ function _get_color($name_color = '')
+ {
+ $colors = array(
+ 'aqua' => 0x0F,
+ 'cyan' => 0x0F,
+ 'black' => 0x08,
+ 'blue' => 0x0C,
+ 'brown' => 0x10,
+ 'magenta' => 0x0E,
+ 'fuchsia' => 0x0E,
+ 'gray' => 0x17,
+ 'grey' => 0x17,
+ 'green' => 0x11,
+ 'lime' => 0x0B,
+ 'navy' => 0x12,
+ 'orange' => 0x35,
+ 'purple' => 0x14,
+ 'red' => 0x0A,
+ 'silver' => 0x16,
+ 'white' => 0x09,
+ 'yellow' => 0x0D
+ );
+
+ // Return the default color, 0x7FFF, if undef,
+ if($name_color == '') {
+ return(0x7FFF);
+ }
+
+ // or the color string converted to an integer,
+ if(isset($colors[$name_color])) {
+ return($colors[$name_color]);
+ }
+
+ // or the default color if string is unrecognised,
+ if(preg_match("/\D/",$name_color)) {
+ return(0x7FFF);
+ }
+
+ // or an index < 8 mapped into the correct range,
+ if($name_color < 8) {
+ return($name_color + 8);
+ }
+
+ // or the default color if arg is outside range,
+ if($name_color > 63) {
+ return(0x7FFF);
+ }
+
+ // or an integer in the valid range
+ return($name_color);
+ }
+
+ /**
+ * Set cell alignment.
+ *
+ * @access public
+ * @param string $location alignment for the cell ('left', 'right', etc...).
+ */
+ function set_align($location)
+ {
+ if (preg_match("/\d/",$location)) {
+ return; // Ignore numbers
+ }
+
+ $location = strtolower($location);
+
+ if ($location == 'left')
+ $this->_text_h_align = 1;
+ if ($location == 'centre')
+ $this->_text_h_align = 2;
+ if ($location == 'center')
+ $this->_text_h_align = 2;
+ if ($location == 'right')
+ $this->_text_h_align = 3;
+ if ($location == 'fill')
+ $this->_text_h_align = 4;
+ if ($location == 'justify')
+ $this->_text_h_align = 5;
+ if ($location == 'merge')
+ $this->_text_h_align = 6;
+ if ($location == 'equal_space') // For T.K.
+ $this->_text_h_align = 7;
+ if ($location == 'top')
+ $this->text_v_align = 0;
+ if ($location == 'vcentre')
+ $this->text_v_align = 1;
+ if ($location == 'vcenter')
+ $this->text_v_align = 1;
+ if ($location == 'bottom')
+ $this->text_v_align = 2;
+ if ($location == 'vjustify')
+ $this->text_v_align = 3;
+ if ($location == 'vequal_space') // For T.K.
+ $this->text_v_align = 4;
+ }
+
+ /**
+ * This is an alias for the unintuitive set_align('merge')
+ *
+ * @access public
+ */
+ function set_merge()
+ {
+ $this->set_align('merge');
+ }
+
+ /**
+ * Bold has a range 0x64..0x3E8.
+ * 0x190 is normal. 0x2BC is bold.
+ *
+ * @access public
+ * @param integer $weight Weight for the text, 0 maps to 0x190, 1 maps to 0x2BC.
+ It's Optional, default is 1 (bold).
+ */
+ function set_bold($weight = 1)
+ {
+ if($weight == 1) {
+ $weight = 0x2BC; // Bold text
+ }
+ if($weight == 0) {
+ $weight = 0x190; // Normal text
+ }
+ if($weight < 0x064) {
+ $weight = 0x190; // Lower bound
+ }
+ if($weight > 0x3E8) {
+ $weight = 0x190; // Upper bound
+ }
+ $this->bold = $weight;
+ }
+
+
+ /************************************
+ * FUNCTIONS FOR SETTING CELLS BORDERS
+ */
+
+ /**
+ * Sets the bottom border of the cell
+ *
+ * @access public
+ * @param integer $style style of the cell border. 1 => thin, 2 => thick.
+ */
+ function set_bottom($style)
+ {
+ $this->bottom = $style;
+ }
+
+ /**
+ * Sets the top border of the cell
+ *
+ * @access public
+ * @param integer $style style of the cell top border. 1 => thin, 2 => thick.
+ */
+ function set_top($style)
+ {
+ $this->top = $style;
+ }
+
+ /**
+ * Sets the left border of the cell
+ *
+ * @access public
+ * @param integer $style style of the cell left border. 1 => thin, 2 => thick.
+ */
+ function set_left($style)
+ {
+ $this->left = $style;
+ }
+
+ /**
+ * Sets the right border of the cell
+ *
+ * @access public
+ * @param integer $style style of the cell right border. 1 => thin, 2 => thick.
+ */
+ function set_right($style)
+ {
+ $this->right = $style;
+ }
+
+
+ /**
+ * Set cells borders to the same style
+ *
+ * @access public
+ * @param integer $style style to apply for all cell borders. 1 => thin, 2 => thick.
+ */
+ function set_border($style)
+ {
+ $this->set_bottom($style);
+ $this->set_top($style);
+ $this->set_left($style);
+ $this->set_right($style);
+ }
+
+
+ /*******************************************
+ * FUNCTIONS FOR SETTING CELLS BORDERS COLORS
+ */
+
+ /**
+ * Sets all the cell's borders to the same color
+ *
+ * @access public
+ * @param mixed $color The color we are setting. Either a string (like 'blue'),
+ * or an integer (like 0x41).
+ */
+ function set_border_color($color)
+ {
+ $this->set_bottom_color($color);
+ $this->set_top_color($color);
+ $this->set_left_color($color);
+ $this->set_right_color($color);
+ }
+
+ /**
+ * Sets the cell's bottom border color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (range is [8...63]).
+ */
+ function set_bottom_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->bottom_color = $value;
+ }
+
+ /**
+ * Sets the cell's top border color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (range is [8...63]).
+ */
+ function set_top_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->top_color = $value;
+ }
+
+ /**
+ * Sets the cell's left border color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (like 0x41).
+ */
+ function set_left_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->left_color = $value;
+ }
+
+ /**
+ * Sets the cell's right border color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (like 0x41).
+ */
+ function set_right_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->right_color = $value;
+ }
+
+
+ /**
+ * Sets the cell's foreground color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (like 0x41).
+ */
+ function set_fg_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->fg_color = $value;
+ }
+
+ /**
+ * Sets the cell's background color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (like 0x41).
+ */
+ function set_bg_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->bg_color = $value;
+ }
+
+ /**
+ * Sets the cell's color
+ *
+ * @access public
+ * @param mixed $color either a string (like 'blue'), or an integer (like 0x41).
+ */
+ function set_color($color)
+ {
+ $value = $this->_get_color($color);
+ $this->color = $value;
+ }
+
+ /**
+ * Sets the pattern attribute of a cell
+ *
+ * @access public
+ * @param integer $arg Optional. Defaults to 1.
+ */
+ function set_pattern($arg = 1)
+ {
+ $this->pattern = $arg;
+ }
+
+ /**
+ * Sets the underline of the text
+ *
+ * @access public
+ * @param integer $underline The value for underline. Possible values are:
+ * 1 => underline, 2 => double underline.
+ */
+ function set_underline($underline)
+ {
+ $this->_underline = $underline;
+ }
+
+ /**
+ * Sets the font style as italic
+ *
+ * @access public
+ */
+ function set_italic()
+ {
+ $this->_italic = 1;
+ }
+
+ /**
+ * Sets the font size
+ *
+ * @access public
+ * @param integer $size The font size (in pixels I think).
+ */
+ function set_size($size)
+ {
+ $this->size = $size;
+ }
+
+ /**
+ * Sets the num format
+ *
+ * @access public
+ * @param integer $num_format The num format.
+ */
+ function set_num_format($num_format)
+ {
+ $this->_num_format = $num_format;
+ }
+
+ /**
+ * Sets text wrapping
+ *
+ * @access public
+ * @param integer $text_wrap Optional. 0 => no text wrapping, 1 => text wrapping.
+ * Defaults to 1.
+ */
+ function set_text_wrap($text_wrap = 1)
+ {
+ $this->_text_wrap = $text_wrap;
+ }
+}
+
+
+/**
+* Class for parsing Excel formulas
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+class Parser
+ {
+/**
+* The class constructor
+*
+* @param integer $byte_order The byte order (Little endian or Big endian) of the architecture
+ (optional). 1 => big endian, 0 (default) => little endian.
+*/
+ function Parser($byte_order = 0)
+ {
+ $this->_current_char = 0; // The index of the character we are currently looking at.
+ $this->_current_token = ''; // The token we are working on.
+ $this->_formula = ""; // The formula to parse.
+ $this->_lookahead = ''; // The character ahead of the current char.
+ $this->_parse_tree = ''; // The parse tree to be generated.
+ $this->_initialize_hashes(); // Initialize the hashes: ptg's and function's ptg's
+ $this->_byte_order = $byte_order; // Little Endian or Big Endian
+ $this->_func_args = 0; // Number of arguments for the current function
+ $this->_volatile = 0;
+ }
+
+/**
+* Initialize the ptg and function hashes.
+*/
+ function _initialize_hashes()
+ {
+ // The Excel ptg indices
+ $this->ptg = array(
+ 'ptgExp' => 0x01,
+ 'ptgTbl' => 0x02,
+ 'ptgAdd' => 0x03,
+ 'ptgSub' => 0x04,
+ 'ptgMul' => 0x05,
+ 'ptgDiv' => 0x06,
+ 'ptgPower' => 0x07,
+ 'ptgConcat' => 0x08,
+ 'ptgLT' => 0x09,
+ 'ptgLE' => 0x0A,
+ 'ptgEQ' => 0x0B,
+ 'ptgGE' => 0x0C,
+ 'ptgGT' => 0x0D,
+ 'ptgNE' => 0x0E,
+ 'ptgIsect' => 0x0F,
+ 'ptgUnion' => 0x10,
+ 'ptgRange' => 0x11,
+ 'ptgUplus' => 0x12,
+ 'ptgUminus' => 0x13,
+ 'ptgPercent' => 0x14,
+ 'ptgParen' => 0x15,
+ 'ptgMissArg' => 0x16,
+ 'ptgStr' => 0x17,
+ 'ptgAttr' => 0x19,
+ 'ptgSheet' => 0x1A,
+ 'ptgEndSheet' => 0x1B,
+ 'ptgErr' => 0x1C,
+ 'ptgBool' => 0x1D,
+ 'ptgInt' => 0x1E,
+ 'ptgNum' => 0x1F,
+ 'ptgArray' => 0x20,
+ 'ptgFunc' => 0x21,
+ 'ptgFuncVar' => 0x22,
+ 'ptgName' => 0x23,
+ 'ptgRef' => 0x24,
+ 'ptgArea' => 0x25,
+ 'ptgMemArea' => 0x26,
+ 'ptgMemErr' => 0x27,
+ 'ptgMemNoMem' => 0x28,
+ 'ptgMemFunc' => 0x29,
+ 'ptgRefErr' => 0x2A,
+ 'ptgAreaErr' => 0x2B,
+ 'ptgRefN' => 0x2C,
+ 'ptgAreaN' => 0x2D,
+ 'ptgMemAreaN' => 0x2E,
+ 'ptgMemNoMemN' => 0x2F,
+ 'ptgNameX' => 0x39,
+ 'ptgRef3d' => 0x3A,
+ 'ptgArea3d' => 0x3B,
+ 'ptgRefErr3d' => 0x3C,
+ 'ptgAreaErr3d' => 0x3D,
+ 'ptgArrayV' => 0x40,
+ 'ptgFuncV' => 0x41,
+ 'ptgFuncVarV' => 0x42,
+ 'ptgNameV' => 0x43,
+ 'ptgRefV' => 0x44,
+ 'ptgAreaV' => 0x45,
+ 'ptgMemAreaV' => 0x46,
+ 'ptgMemErrV' => 0x47,
+ 'ptgMemNoMemV' => 0x48,
+ 'ptgMemFuncV' => 0x49,
+ 'ptgRefErrV' => 0x4A,
+ 'ptgAreaErrV' => 0x4B,
+ 'ptgRefNV' => 0x4C,
+ 'ptgAreaNV' => 0x4D,
+ 'ptgMemAreaNV' => 0x4E,
+ 'ptgMemNoMemN' => 0x4F,
+ 'ptgFuncCEV' => 0x58,
+ 'ptgNameXV' => 0x59,
+ 'ptgRef3dV' => 0x5A,
+ 'ptgArea3dV' => 0x5B,
+ 'ptgRefErr3dV' => 0x5C,
+ 'ptgAreaErr3d' => 0x5D,
+ 'ptgArrayA' => 0x60,
+ 'ptgFuncA' => 0x61,
+ 'ptgFuncVarA' => 0x62,
+ 'ptgNameA' => 0x63,
+ 'ptgRefA' => 0x64,
+ 'ptgAreaA' => 0x65,
+ 'ptgMemAreaA' => 0x66,
+ 'ptgMemErrA' => 0x67,
+ 'ptgMemNoMemA' => 0x68,
+ 'ptgMemFuncA' => 0x69,
+ 'ptgRefErrA' => 0x6A,
+ 'ptgAreaErrA' => 0x6B,
+ 'ptgRefNA' => 0x6C,
+ 'ptgAreaNA' => 0x6D,
+ 'ptgMemAreaNA' => 0x6E,
+ 'ptgMemNoMemN' => 0x6F,
+ 'ptgFuncCEA' => 0x78,
+ 'ptgNameXA' => 0x79,
+ 'ptgRef3dA' => 0x7A,
+ 'ptgArea3dA' => 0x7B,
+ 'ptgRefErr3dA' => 0x7C,
+ 'ptgAreaErr3d' => 0x7D
+ );
+
+ // Thanks to Michael Meeks and Gnumeric for the initial arg values.
+ //
+ // The following hash was generated by "function_locale.pl" in the distro.
+ // Refer to function_locale.pl for non-English function names.
+ //
+ // The array elements are as follow:
+ // ptg: The Excel function ptg code.
+ // args: The number of arguments that the function takes:
+ // >=0 is a fixed number of arguments.
+ // -1 is a variable number of arguments.
+ // class: The reference, value or array class of the function args.
+ // vol: The function is volatile.
+ //
+ $this->_functions = array(
+ // function ptg args class vol
+ 'COUNT' => array( 0, -1, 0, 0 ),
+ 'IF' => array( 1, -1, 1, 0 ),
+ 'ISNA' => array( 2, 1, 1, 0 ),
+ 'ISERROR' => array( 3, 1, 1, 0 ),
+ 'SUM' => array( 4, -1, 0, 0 ),
+ 'AVERAGE' => array( 5, -1, 0, 0 ),
+ 'MIN' => array( 6, -1, 0, 0 ),
+ 'MAX' => array( 7, -1, 0, 0 ),
+ 'ROW' => array( 8, -1, 0, 0 ),
+ 'COLUMN' => array( 9, -1, 0, 0 ),
+ 'NA' => array( 10, 0, 0, 0 ),
+ 'NPV' => array( 11, -1, 1, 0 ),
+ 'STDEV' => array( 12, -1, 0, 0 ),
+ 'DOLLAR' => array( 13, -1, 1, 0 ),
+ 'FIXED' => array( 14, -1, 1, 0 ),
+ 'SIN' => array( 15, 1, 1, 0 ),
+ 'COS' => array( 16, 1, 1, 0 ),
+ 'TAN' => array( 17, 1, 1, 0 ),
+ 'ATAN' => array( 18, 1, 1, 0 ),
+ 'PI' => array( 19, 0, 1, 0 ),
+ 'SQRT' => array( 20, 1, 1, 0 ),
+ 'EXP' => array( 21, 1, 1, 0 ),
+ 'LN' => array( 22, 1, 1, 0 ),
+ 'LOG10' => array( 23, 1, 1, 0 ),
+ 'ABS' => array( 24, 1, 1, 0 ),
+ 'INT' => array( 25, 1, 1, 0 ),
+ 'SIGN' => array( 26, 1, 1, 0 ),
+ 'ROUND' => array( 27, 2, 1, 0 ),
+ 'LOOKUP' => array( 28, -1, 0, 0 ),
+ 'INDEX' => array( 29, -1, 0, 1 ),
+ 'REPT' => array( 30, 2, 1, 0 ),
+ 'MID' => array( 31, 3, 1, 0 ),
+ 'LEN' => array( 32, 1, 1, 0 ),
+ 'VALUE' => array( 33, 1, 1, 0 ),
+ 'TRUE' => array( 34, 0, 1, 0 ),
+ 'FALSE' => array( 35, 0, 1, 0 ),
+ 'AND' => array( 36, -1, 0, 0 ),
+ 'OR' => array( 37, -1, 0, 0 ),
+ 'NOT' => array( 38, 1, 1, 0 ),
+ 'MOD' => array( 39, 2, 1, 0 ),
+ 'DCOUNT' => array( 40, 3, 0, 0 ),
+ 'DSUM' => array( 41, 3, 0, 0 ),
+ 'DAVERAGE' => array( 42, 3, 0, 0 ),
+ 'DMIN' => array( 43, 3, 0, 0 ),
+ 'DMAX' => array( 44, 3, 0, 0 ),
+ 'DSTDEV' => array( 45, 3, 0, 0 ),
+ 'VAR' => array( 46, -1, 0, 0 ),
+ 'DVAR' => array( 47, 3, 0, 0 ),
+ 'TEXT' => array( 48, 2, 1, 0 ),
+ 'LINEST' => array( 49, -1, 0, 0 ),
+ 'TREND' => array( 50, -1, 0, 0 ),
+ 'LOGEST' => array( 51, -1, 0, 0 ),
+ 'GROWTH' => array( 52, -1, 0, 0 ),
+ 'PV' => array( 56, -1, 1, 0 ),
+ 'FV' => array( 57, -1, 1, 0 ),
+ 'NPER' => array( 58, -1, 1, 0 ),
+ 'PMT' => array( 59, -1, 1, 0 ),
+ 'RATE' => array( 60, -1, 1, 0 ),
+ 'MIRR' => array( 61, 3, 0, 0 ),
+ 'IRR' => array( 62, -1, 0, 0 ),
+ 'RAND' => array( 63, 0, 1, 1 ),
+ 'MATCH' => array( 64, -1, 0, 0 ),
+ 'DATE' => array( 65, 3, 1, 0 ),
+ 'TIME' => array( 66, 3, 1, 0 ),
+ 'DAY' => array( 67, 1, 1, 0 ),
+ 'MONTH' => array( 68, 1, 1, 0 ),
+ 'YEAR' => array( 69, 1, 1, 0 ),
+ 'WEEKDAY' => array( 70, -1, 1, 0 ),
+ 'HOUR' => array( 71, 1, 1, 0 ),
+ 'MINUTE' => array( 72, 1, 1, 0 ),
+ 'SECOND' => array( 73, 1, 1, 0 ),
+ 'NOW' => array( 74, 0, 1, 1 ),
+ 'AREAS' => array( 75, 1, 0, 1 ),
+ 'ROWS' => array( 76, 1, 0, 1 ),
+ 'COLUMNS' => array( 77, 1, 0, 1 ),
+ 'OFFSET' => array( 78, -1, 0, 1 ),
+ 'SEARCH' => array( 82, -1, 1, 0 ),
+ 'TRANSPOSE' => array( 83, 1, 1, 0 ),
+ 'TYPE' => array( 86, 1, 1, 0 ),
+ 'ATAN2' => array( 97, 2, 1, 0 ),
+ 'ASIN' => array( 98, 1, 1, 0 ),
+ 'ACOS' => array( 99, 1, 1, 0 ),
+ 'CHOOSE' => array( 100, -1, 1, 0 ),
+ 'HLOOKUP' => array( 101, -1, 0, 0 ),
+ 'VLOOKUP' => array( 102, -1, 0, 0 ),
+ 'ISREF' => array( 105, 1, 0, 0 ),
+ 'LOG' => array( 109, -1, 1, 0 ),
+ 'CHAR' => array( 111, 1, 1, 0 ),
+ 'LOWER' => array( 112, 1, 1, 0 ),
+ 'UPPER' => array( 113, 1, 1, 0 ),
+ 'PROPER' => array( 114, 1, 1, 0 ),
+ 'LEFT' => array( 115, -1, 1, 0 ),
+ 'RIGHT' => array( 116, -1, 1, 0 ),
+ 'EXACT' => array( 117, 2, 1, 0 ),
+ 'TRIM' => array( 118, 1, 1, 0 ),
+ 'REPLACE' => array( 119, 4, 1, 0 ),
+ 'SUBSTITUTE' => array( 120, -1, 1, 0 ),
+ 'CODE' => array( 121, 1, 1, 0 ),
+ 'FIND' => array( 124, -1, 1, 0 ),
+ 'CELL' => array( 125, -1, 0, 1 ),
+ 'ISERR' => array( 126, 1, 1, 0 ),
+ 'ISTEXT' => array( 127, 1, 1, 0 ),
+ 'ISNUMBER' => array( 128, 1, 1, 0 ),
+ 'ISBLANK' => array( 129, 1, 1, 0 ),
+ 'T' => array( 130, 1, 0, 0 ),
+ 'N' => array( 131, 1, 0, 0 ),
+ 'DATEVALUE' => array( 140, 1, 1, 0 ),
+ 'TIMEVALUE' => array( 141, 1, 1, 0 ),
+ 'SLN' => array( 142, 3, 1, 0 ),
+ 'SYD' => array( 143, 4, 1, 0 ),
+ 'DDB' => array( 144, -1, 1, 0 ),
+ 'INDIRECT' => array( 148, -1, 1, 1 ),
+ 'CALL' => array( 150, -1, 1, 0 ),
+ 'CLEAN' => array( 162, 1, 1, 0 ),
+ 'MDETERM' => array( 163, 1, 2, 0 ),
+ 'MINVERSE' => array( 164, 1, 2, 0 ),
+ 'MMULT' => array( 165, 2, 2, 0 ),
+ 'IPMT' => array( 167, -1, 1, 0 ),
+ 'PPMT' => array( 168, -1, 1, 0 ),
+ 'COUNTA' => array( 169, -1, 0, 0 ),
+ 'PRODUCT' => array( 183, -1, 0, 0 ),
+ 'FACT' => array( 184, 1, 1, 0 ),
+ 'DPRODUCT' => array( 189, 3, 0, 0 ),
+ 'ISNONTEXT' => array( 190, 1, 1, 0 ),
+ 'STDEVP' => array( 193, -1, 0, 0 ),
+ 'VARP' => array( 194, -1, 0, 0 ),
+ 'DSTDEVP' => array( 195, 3, 0, 0 ),
+ 'DVARP' => array( 196, 3, 0, 0 ),
+ 'TRUNC' => array( 197, -1, 1, 0 ),
+ 'ISLOGICAL' => array( 198, 1, 1, 0 ),
+ 'DCOUNTA' => array( 199, 3, 0, 0 ),
+ 'ROUNDUP' => array( 212, 2, 1, 0 ),
+ 'ROUNDDOWN' => array( 213, 2, 1, 0 ),
+ 'RANK' => array( 216, -1, 0, 0 ),
+ 'ADDRESS' => array( 219, -1, 1, 0 ),
+ 'DAYS360' => array( 220, -1, 1, 0 ),
+ 'TODAY' => array( 221, 0, 1, 1 ),
+ 'VDB' => array( 222, -1, 1, 0 ),
+ 'MEDIAN' => array( 227, -1, 0, 0 ),
+ 'SUMPRODUCT' => array( 228, -1, 2, 0 ),
+ 'SINH' => array( 229, 1, 1, 0 ),
+ 'COSH' => array( 230, 1, 1, 0 ),
+ 'TANH' => array( 231, 1, 1, 0 ),
+ 'ASINH' => array( 232, 1, 1, 0 ),
+ 'ACOSH' => array( 233, 1, 1, 0 ),
+ 'ATANH' => array( 234, 1, 1, 0 ),
+ 'DGET' => array( 235, 3, 0, 0 ),
+ 'INFO' => array( 244, 1, 1, 1 ),
+ 'DB' => array( 247, -1, 1, 0 ),
+ 'FREQUENCY' => array( 252, 2, 0, 0 ),
+ 'ERROR.TYPE' => array( 261, 1, 1, 0 ),
+ 'REGISTER.ID' => array( 267, -1, 1, 0 ),
+ 'AVEDEV' => array( 269, -1, 0, 0 ),
+ 'BETADIST' => array( 270, -1, 1, 0 ),
+ 'GAMMALN' => array( 271, 1, 1, 0 ),
+ 'BETAINV' => array( 272, -1, 1, 0 ),
+ 'BINOMDIST' => array( 273, 4, 1, 0 ),
+ 'CHIDIST' => array( 274, 2, 1, 0 ),
+ 'CHIINV' => array( 275, 2, 1, 0 ),
+ 'COMBIN' => array( 276, 2, 1, 0 ),
+ 'CONFIDENCE' => array( 277, 3, 1, 0 ),
+ 'CRITBINOM' => array( 278, 3, 1, 0 ),
+ 'EVEN' => array( 279, 1, 1, 0 ),
+ 'EXPONDIST' => array( 280, 3, 1, 0 ),
+ 'FDIST' => array( 281, 3, 1, 0 ),
+ 'FINV' => array( 282, 3, 1, 0 ),
+ 'FISHER' => array( 283, 1, 1, 0 ),
+ 'FISHERINV' => array( 284, 1, 1, 0 ),
+ 'FLOOR' => array( 285, 2, 1, 0 ),
+ 'GAMMADIST' => array( 286, 4, 1, 0 ),
+ 'GAMMAINV' => array( 287, 3, 1, 0 ),
+ 'CEILING' => array( 288, 2, 1, 0 ),
+ 'HYPGEOMDIST' => array( 289, 4, 1, 0 ),
+ 'LOGNORMDIST' => array( 290, 3, 1, 0 ),
+ 'LOGINV' => array( 291, 3, 1, 0 ),
+ 'NEGBINOMDIST' => array( 292, 3, 1, 0 ),
+ 'NORMDIST' => array( 293, 4, 1, 0 ),
+ 'NORMSDIST' => array( 294, 1, 1, 0 ),
+ 'NORMINV' => array( 295, 3, 1, 0 ),
+ 'NORMSINV' => array( 296, 1, 1, 0 ),
+ 'STANDARDIZE' => array( 297, 3, 1, 0 ),
+ 'ODD' => array( 298, 1, 1, 0 ),
+ 'PERMUT' => array( 299, 2, 1, 0 ),
+ 'POISSON' => array( 300, 3, 1, 0 ),
+ 'TDIST' => array( 301, 3, 1, 0 ),
+ 'WEIBULL' => array( 302, 4, 1, 0 ),
+ 'SUMXMY2' => array( 303, 2, 2, 0 ),
+ 'SUMX2MY2' => array( 304, 2, 2, 0 ),
+ 'SUMX2PY2' => array( 305, 2, 2, 0 ),
+ 'CHITEST' => array( 306, 2, 2, 0 ),
+ 'CORREL' => array( 307, 2, 2, 0 ),
+ 'COVAR' => array( 308, 2, 2, 0 ),
+ 'FORECAST' => array( 309, 3, 2, 0 ),
+ 'FTEST' => array( 310, 2, 2, 0 ),
+ 'INTERCEPT' => array( 311, 2, 2, 0 ),
+ 'PEARSON' => array( 312, 2, 2, 0 ),
+ 'RSQ' => array( 313, 2, 2, 0 ),
+ 'STEYX' => array( 314, 2, 2, 0 ),
+ 'SLOPE' => array( 315, 2, 2, 0 ),
+ 'TTEST' => array( 316, 4, 2, 0 ),
+ 'PROB' => array( 317, -1, 2, 0 ),
+ 'DEVSQ' => array( 318, -1, 0, 0 ),
+ 'GEOMEAN' => array( 319, -1, 0, 0 ),
+ 'HARMEAN' => array( 320, -1, 0, 0 ),
+ 'SUMSQ' => array( 321, -1, 0, 0 ),
+ 'KURT' => array( 322, -1, 0, 0 ),
+ 'SKEW' => array( 323, -1, 0, 0 ),
+ 'ZTEST' => array( 324, -1, 0, 0 ),
+ 'LARGE' => array( 325, 2, 0, 0 ),
+ 'SMALL' => array( 326, 2, 0, 0 ),
+ 'QUARTILE' => array( 327, 2, 0, 0 ),
+ 'PERCENTILE' => array( 328, 2, 0, 0 ),
+ 'PERCENTRANK' => array( 329, -1, 0, 0 ),
+ 'MODE' => array( 330, -1, 2, 0 ),
+ 'TRIMMEAN' => array( 331, 2, 0, 0 ),
+ 'TINV' => array( 332, 2, 1, 0 ),
+ 'CONCATENATE' => array( 336, -1, 1, 0 ),
+ 'POWER' => array( 337, 2, 1, 0 ),
+ 'RADIANS' => array( 342, 1, 1, 0 ),
+ 'DEGREES' => array( 343, 1, 1, 0 ),
+ 'SUBTOTAL' => array( 344, -1, 0, 0 ),
+ 'SUMIF' => array( 345, -1, 0, 0 ),
+ 'COUNTIF' => array( 346, 2, 0, 0 ),
+ 'COUNTBLANK' => array( 347, 1, 0, 0 ),
+ 'ROMAN' => array( 354, -1, 1, 0 )
+ );
+ }
+
+/**
+* Convert a token to the proper ptg value.
+*
+* @param mixed $token The token to convert.
+*/
+ function _convert($token)
+ {
+ if(is_numeric($token))
+ {
+ return($this->_convert_number($token));
+ }
+ // match references like A1
+ elseif(preg_match("/^([A-I]?[A-Z])(\d+)$/",$token))
+ {
+ return($this->_convert_ref2d($token));
+ }
+ // match ranges like A1:B2
+ elseif(preg_match("/^([A-I]?[A-Z])(\d+)\:([A-I]?[A-Z])(\d+)$/",$token))
+ {
+ return($this->_convert_range2d($token));
+ }
+ // match ranges like A1..B2
+ elseif(preg_match("/^([A-I]?[A-Z])(\d+)\.\.([A-I]?[A-Z])(\d+)$/",$token))
+ {
+ return($this->_convert_range2d($token));
+ }
+ elseif(isset($this->ptg[$token])) // operators (including parentheses)
+ {
+ return(pack("C", $this->ptg[$token]));
+ }
+ elseif(preg_match("/[A-Z0-9À-Ü\.]+/",$token))
+ {
+ return($this->_convert_function($token,$this->_func_args));
+ }
+ // if it's an argument, ignore the token (the argument remains)
+ elseif($token == 'arg')
+ {
+ $this->_func_args++;
+ return('');
+ }
+ die("Unknown token $token");
+ }
+
+/**
+* Convert a number token to ptgInt or ptgNum
+*
+* @param mixed $num an integer or double for conersion to its ptg value
+*/
+ function _convert_number($num)
+ {
+ // Integer in the range 0..2**16-1
+ if ((preg_match("/^\d+$/",$num)) and ($num <= 65535)) {
+ return pack("Cv", $this->ptg['ptgInt'], $num);
+ }
+ else // A float
+ {
+ if($this->_byte_order) // if it's Big Endian
+ {
+ $num = strrev($num);
+ }
+ return pack("Cd", $this->ptg['ptgNum'], $num);
+ }
+ }
+
+/**
+* Convert a function to a ptgFunc or ptgFuncVarV depending on the number of
+* args that it takes.
+*
+* @param string $token The name of the function for convertion to ptg value.
+* @param integer $num_args The number of arguments the function recieves.
+*/
+ function _convert_function($token, $num_args)
+ {
+ $this->_func_args = 0; // re initialize the number of arguments
+ $args = $this->_functions[$token][1];
+ $volatile = $this->_functions[$token][3];
+
+ if($volatile) {
+ $this->_volatile = 1;
+ }
+ // Fixed number of args eg. TIME($i,$j,$k).
+ if ($args >= 0)
+ {
+ return(pack("Cv", $this->ptg['ptgFuncV'], $this->_functions[$token][0]));
+ }
+ // Variable number of args eg. SUM($i,$j,$k, ..).
+ if ($args == -1) {
+ return(pack("CCv", $this->ptg['ptgFuncVarV'], $num_args, $this->_functions[$token][0]));
+ }
+ }
+
+/**
+* Convert an Excel range such as A1:D4 to a ptgRefV.
+*
+* @param string $range An Excel range in the A1:A2 or A1..A2 format.
+*/
+ function _convert_range2d($range)
+ {
+ $class = 2; // as far as I know, this is magick.
+
+ // Split the range into 2 cell refs
+ if(preg_match("/^([A-I]?[A-Z])(\d+)\:([A-I]?[A-Z])(\d+)$/",$range)) {
+ list($cell1, $cell2) = split(':', $range);
+ }
+ elseif(preg_match("/^([A-I]?[A-Z])(\d+)\.\.([A-I]?[A-Z])(\d+)$/",$range)) {
+ list($cell1, $cell2) = split('\.\.', $range);
+ }
+ else {
+ die("Unknown range separator");
+ }
+
+ // Convert the cell references
+ list($row1, $col1) = $this->_cell_to_packed_rowcol($cell1);
+ list($row2, $col2) = $this->_cell_to_packed_rowcol($cell2);
+
+ // The ptg value depends on the class of the ptg.
+ if ($class == 0) {
+ $ptgArea = pack("C", $this->ptg['ptgArea']);
+ }
+ elseif ($class == 1) {
+ $ptgArea = pack("C", $this->ptg['ptgAreaV']);
+ }
+ elseif ($class == 2) {
+ $ptgArea = pack("C", $this->ptg['ptgAreaA']);
+ }
+ else{
+ die("Unknown class ");
+ }
+
+ return($ptgArea . $row1 . $row2 . $col1. $col2);
+ }
+
+/**
+* Convert an Excel reference such as A1, $B2, C$3 or $D$4 to a ptgRefV.
+*
+* @param string $cell An Excel cell reference
+*/
+ function _convert_ref2d($cell)
+ {
+ $class = 2; // as far as I know, this is magick.
+
+ // Convert the cell reference
+ list($row, $col) = $this->_cell_to_packed_rowcol($cell);
+
+ // The ptg value depends on the class of the ptg.
+ if ($class == 0) {
+ $ptgRef = pack("C", $this->ptg['ptgRef']);
+ }
+ elseif ($class == 1) {
+ $ptgRef = pack("C", $this->ptg['ptgRefV']);
+ }
+ elseif ($class == 2) {
+ $ptgRef = pack("C", $this->ptg['ptgRefA']);
+ }
+ else{
+ die("Unknown class ");
+ }
+ return $ptgRef.$row.$col;
+ }
+
+/**
+* pack() row and column into the required 3 byte format.
+*
+* @param string $cell The Excel cell reference to be packed
+*/
+ function _cell_to_packed_rowcol($cell)
+ {
+ list($row, $col, $row_rel, $col_rel) = $this->_cell_to_rowcol($cell);
+ if ($col >= 256) {
+ die("Column in: $cell greater than 255 ");
+ }
+ if ($row >= 16384) {
+ die("Row in: $cell greater than 16384 ");
+ }
+
+ // Set the high bits to indicate if row or col are relative.
+ $row |= $col_rel << 14;
+ $row |= $row_rel << 15;
+
+ $row = pack('v', $row);
+ $col = pack('C', $col);
+
+ return (array($row, $col));
+ }
+
+/**
+* Convert an Excel cell reference such as A1 or $B2 or C$3 or $D$4 to a zero
+* indexed row and column number. Also returns two boolean values to indicate
+* whether the row or column are relative references.
+*
+* @param string $cell The Excel cell reference in A1 format.
+*/
+ function _cell_to_rowcol($cell)
+ {
+ preg_match('/(\$)?([A-I]?[A-Z])(\$)?(\d+)/',$cell,$match);
+ // return absolute column if there is a $ in the ref
+ $col_rel = empty($match[1]) ? 1 : 0;
+ $col_ref = $match[2];
+ $row_rel = empty($match[3]) ? 1 : 0;
+ $row = $match[4];
+
+ // Convert base26 column string to a number.
+ $expn = strlen($col_ref) - 1;
+ $col = 0;
+ for($i=0; $i < strlen($col_ref); $i++)
+ {
+ $col += (ord($col_ref{$i}) - ord('A') + 1) * pow(26, $expn);
+ $expn--;
+ }
+
+ // Convert 1-index to zero-index
+ $row--;
+ $col--;
+
+ return(array($row, $col, $row_rel, $col_rel));
+ }
+
+/**
+* Advance to the next valid token.
+*/
+ function _advance()
+ {
+ $i = $this->_current_char;
+ // eat up white spaces
+ if($i < strlen($this->_formula))
+ {
+ while($this->_formula{$i} == " ")
+ {
+ $i++;
+ }
+ if($i < strlen($this->_formula) - 1)
+ {
+ $this->_lookahead = $this->_formula{$i+1};
+ }
+ $token = "";
+ }
+ while($i < strlen($this->_formula))
+ {
+ $token .= $this->_formula{$i};
+ if($this->_match($token) != '')
+ {
+ if($i < strlen($this->_formula) - 1)
+ {
+ $this->_lookahead = $this->_formula{$i+1};
+ }
+ $this->_current_char = $i + 1;
+ $this->_current_token = $token;
+ return(1);
+ }
+ $this->_lookahead = $this->_formula{$i+2};
+ $i++;
+ }
+ //die("Lexical error ".$this->_current_char);
+ }
+
+/**
+* Checks if it's a valid token.
+*
+* @param mixed $token The token to check.
+*/
+ function _match($token)
+ {
+ switch($token)
+ {
+ case ADD:
+ return($token);
+ break;
+ case SUB:
+ return($token);
+ break;
+ case MUL:
+ return($token);
+ break;
+ case DIV:
+ return($token);
+ break;
+ case OPEN:
+ return($token);
+ break;
+ case CLOSE:
+ return($token);
+ break;
+ case COMA:
+ return($token);
+ break;
+ default:
+ // if it's a reference
+ if(eregi("^[A-I]?[A-Z][0-9]+$",$token) and
+ !ereg("[0-9]",$this->_lookahead) and
+ ($this->_lookahead != ':') and ($this->_lookahead != '.'))
+ {
+ return($token);
+ }
+ // if it's a range (A1:A2)
+ elseif(eregi("^[A-I]?[A-Z][0-9]+:[A-I]?[A-Z][0-9]+$",$token) and
+ !ereg("[0-9]",$this->_lookahead))
+ {
+ return($token);
+ }
+ // if it's a range (A1..A2)
+ elseif(eregi("^[A-I]?[A-Z][0-9]+\.\.[A-I]?[A-Z][0-9]+$",$token) and
+ !ereg("[0-9]",$this->_lookahead))
+ {
+ return($token);
+ }
+ elseif(is_numeric($token) and !is_numeric($token.$this->_lookahead))
+ {
+ return($token);
+ }
+ // if it's a function call
+ elseif(eregi("^[A-Z0-9À-Ü\.]+$",$token) and ($this->_lookahead == "("))
+
+ {
+ return($token);
+ }
+ return '';
+ }
+ }
+
+/**
+* The parsing method. It parses a formula.
+*
+* @access public
+* @param string $formula The formula to parse, without the initial equal sign (=).
+*/
+ function parse($formula)
+ {
+ $this->_current_char = 0;
+ $this->_formula = $formula;
+ $this->_lookahead = $formula{1};
+ $this->_advance();
+ $this->_parse_tree = $this->_expression();
+ }
+
+/**
+* It parses a expression. It assumes the following rule:
+* Expr -> Term [("+" | "-") Term]
+*
+* @return mixed The parsed ptg'd tree
+*/
+ function _expression()
+ {
+ $result = $this->_term();
+ while ($this->_current_token == ADD or $this->_current_token == SUB)
+ {
+ if ($this->_current_token == ADD)
+ {
+ $this->_advance();
+ $result = $this->_create_tree('ptgAdd', $result, $this->_term());
+ }
+ else
+ {
+ $this->_advance();
+ $result = $this->_create_tree('ptgSub', $result, $this->_term());
+ }
+ }
+ return $result;
+ }
+
+/**
+* This function just introduces a ptgParen element in the tree, so that Excel
+* doesn't get confused when working with a parenthesized formula afterwards.
+*
+* @see _fact
+* @return mixed The parsed ptg'd tree
+*/
+ function _parenthesized_expression()
+ {
+ $result = $this->_create_tree('ptgParen', $this->_expression(), '');
+ return($result);
+ }
+
+/**
+* It parses a term. It assumes the following rule:
+* Term -> Fact [("*" | "/") Fact]
+*
+* @return mixed The parsed ptg'd tree
+*/
+ function _term()
+ {
+ $result = $this->_fact();
+ while ($this->_current_token == MUL || $this->_current_token == DIV)
+ {
+ if ($this->_current_token == MUL)
+ {
+ $this->_advance();
+ $result = $this->_create_tree('ptgMul', $result, $this->_fact());
+ }
+ else
+ {
+ $this->_advance();
+ $result = $this->_create_tree('ptgDiv', $result, $this->_fact());
+ }
+ }
+ return($result);
+ }
+
+/**
+* It parses a factor. It assumes the following rule:
+* Fact -> ( Expr )
+* | CellRef
+* | CellRange
+* | Number
+* | Function
+*
+* @return mixed The parsed ptg'd tree
+*/
+ function _fact()
+ {
+ if ($this->_current_token == OPEN)
+ {
+ $this->_advance(); // eat the "("
+ $result = $this->_parenthesized_expression();//$this->_expression();
+
+ if ($this->_current_token != CLOSE) {
+ die("')' token expected.");
+ }
+ $this->_advance(); // eat the ")"
+ return($result);
+ }
+ // if it's a reference
+ if (eregi("^[A-I]?[A-Z][0-9]+$",$this->_current_token))
+ {
+ $result = $this->_create_tree($this->_current_token, '', '');
+ $this->_advance();
+ return($result);
+ }
+ // if it's a range
+ elseif (eregi("^[A-I]?[A-Z][0-9]+:[A-I]?[A-Z][0-9]+$",$this->_current_token) or
+ eregi("^[A-I]?[A-Z][0-9]+\.\.[A-I]?[A-Z][0-9]+$",$this->_current_token))
+ {
+ $result = $this->_current_token;
+ $this->_advance();
+ return($result);
+ }
+ elseif (is_numeric($this->_current_token))
+ {
+ $result = $this->_create_tree($this->_current_token, '', '');
+ $this->_advance();
+ return($result);
+ }
+ // if it's a function call
+ elseif (eregi("^[A-Z0-9À-Ü\.]+$",$this->_current_token))
+ {
+ $result = $this->_func();
+ return($result);
+ }
+ die("Sintactic error: ".$this->_current_token.", lookahead: ".
+ $this->_lookahead.", current char: ".$this->_current_char);
+ }
+
+/**
+* It parses a function call. It assumes the following rule:
+* Func -> ( Expr [,Expr]* )
+*
+*/
+ function _func()
+ {
+ $num_args = 0; // number of arguments received
+ $function = $this->_current_token;
+ $this->_advance();
+ $this->_advance(); // eat the "("
+ while($this->_current_token != ')')
+ {
+ if($num_args > 0)
+ {
+ if($this->_current_token == COMA) {
+ $this->_advance(); // eat the ","
+ }
+ else {
+ die("Sintactic error: coma expected $num_args");
+ }
+ $result = $this->_create_tree('arg', $result, $this->_expression());
+ }
+ else {
+ $result = $this->_create_tree('arg', '', $this->_expression());
+ }
+ $num_args++;
+ }
+ $args = $this->_functions[$function][1];
+ // If fixed number of args eg. TIME($i,$j,$k). Check that the number of args is valid.
+ if (($args >= 0) and ($args != $num_args))
+ {
+ die("Incorrect number of arguments in function $function() ");
+ }
+
+ $result = $this->_create_tree($function, $result, '');
+ $this->_advance(); // eat the ")"
+ return($result);
+ }
+
+/**
+* Creates a tree. In fact an array which may have one or two arrays (sub-trees)
+* as elements.
+*
+* @param mixed $value The value of this node.
+* @param mixed $left The left array (sub-tree) or a final node.
+* @param mixed $right The right array (sub-tree) or a final node.
+*/
+ function _create_tree($value, $left, $right)
+ {
+ return array('value' => $value, 'left' => $left, 'right' => $right);
+ }
+
+/**
+* Builds a string containing the tree in reverse polish notation (What you
+* would use in a HP calculator stack).
+* The following tree:
+*
+* +
+* / \
+* 2 3
+*
+* produces: "23+"
+*
+* The following tree:
+*
+* +
+* / \
+* 3 *
+* / \
+* 6 A1
+*
+* produces: "36A1*+"
+*
+* In fact all operands, functions, references, etc... are written as ptg's
+*
+* @access public
+* @param array $tree The optional tree to convert.
+*/
+ function to_reverse_polish($tree = array())
+ {
+ $polish = ""; // the string we are going to return
+ if (empty($tree)) // If it's the first call use _parse_tree
+ {
+ $tree = $this->_parse_tree;
+ }
+ if (is_array($tree['left']))
+ {
+ $polish .= $this->to_reverse_polish($tree['left']);
+ }
+ elseif($tree['left'] != '') // It's a final node
+ {
+ $polish .= $this->_convert($tree['left']); //$tree['left'];
+ }
+ if (is_array($tree['right']))
+ {
+ $polish .= $this->to_reverse_polish($tree['right']);
+ }
+ elseif($tree['right'] != '') // It's a final node
+ {
+ $polish .= $this->_convert($tree['right']);
+ }
+ $polish .= $this->_convert($tree['value']);
+ return $polish;
+ }
+ }
+
+/**
+* Class for generating Excel Spreadsheets
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+
+class Worksheet extends BIFFwriter
+{
+
+ /**
+ * Constructor
+ *
+ * @param string $name The name of the new worksheet
+ * @param integer $index The index of the new worksheet
+ * @param mixed &$activesheet The current activesheet of the workbook we belong to
+ * @param mixed &$firstsheet The first worksheet in the workbook we belong to
+ * @param mixed &$url_format The default format for hyperlinks
+ * @param mixed &$parser The formula parser created for the Workbook
+ */
+ function Worksheet($name,$index,&$activesheet,&$firstsheet,&$url_format,&$parser)
+ {
+ $this->BIFFwriter(); // It needs to call its parent's constructor explicitly
+ $rowmax = 65536; // 16384 in Excel 5
+ $colmax = 256;
+ $strmax = 255;
+
+ $this->name = $name;
+ $this->index = $index;
+ $this->activesheet = &$activesheet;
+ $this->firstsheet = &$firstsheet;
+ $this->_url_format = $url_format;
+ $this->_parser = &$parser;
+
+ $this->ext_sheets = array();
+ $this->_using_tmpfile = 1;
+ $this->_filehandle = "";
+ $this->fileclosed = 0;
+ $this->offset = 0;
+ $this->xls_rowmax = $rowmax;
+ $this->xls_colmax = $colmax;
+ $this->xls_strmax = $strmax;
+ $this->dim_rowmin = $rowmax +1;
+ $this->dim_rowmax = 0;
+ $this->dim_colmin = $colmax +1;
+ $this->dim_colmax = 0;
+ $this->colinfo = array();
+ $this->_selection = array(0,0,0,0);
+ $this->_panes = array();
+ $this->_active_pane = 3;
+ $this->_frozen = 0;
+ $this->selected = 0;
+
+ $this->_paper_size = 0x0;
+ $this->_orientation = 0x1;
+ $this->_header = '';
+ $this->_footer = '';
+ $this->_hcenter = 0;
+ $this->_vcenter = 0;
+ $this->_margin_head = 0.50;
+ $this->_margin_foot = 0.50;
+ $this->_margin_left = 0.75;
+ $this->_margin_right = 0.75;
+ $this->_margin_top = 1.00;
+ $this->_margin_bottom = 1.00;
+
+ $this->_title_rowmin = NULL;
+ $this->_title_rowmax = NULL;
+ $this->_title_colmin = NULL;
+ $this->_title_colmax = NULL;
+ $this->_print_rowmin = NULL;
+ $this->_print_rowmax = NULL;
+ $this->_print_colmin = NULL;
+ $this->_print_colmax = NULL;
+
+ $this->_print_gridlines = 1;
+ $this->_print_headers = 0;
+
+ $this->_fit_page = 0;
+ $this->_fit_width = 0;
+ $this->_fit_height = 0;
+
+ $this->_hbreaks = array();
+ $this->_vbreaks = array();
+
+ $this->_protect = 0;
+ $this->_password = NULL;
+
+ $this->col_sizes = array();
+ $this->row_sizes = array();
+
+ $this->_zoom = 100;
+ $this->_print_scale = 100;
+ $this->_rtl = 0; // Added by Joe Hunt 2009-03-05 for arabic languages
+
+ $this->_initialize();
+ }
+
+ /**
+ * Open a tmp file to store the majority of the Worksheet data. If this fails,
+ * for example due to write permissions, store the data in memory. This can be
+ * slow for large files.
+ */
+ function _initialize()
+ {
+ // Open tmp file for storing Worksheet data
+ $fh = tmpfile();
+ if ( $fh) {
+ // Store filehandle
+ $this->_filehandle = $fh;
+ }
+ else {
+ // If tmpfile() fails store data in memory
+ $this->_using_tmpfile = 0;
+ }
+ }
+
+ /**
+ * Add data to the beginning of the workbook (note the reverse order)
+ * and to the end of the workbook.
+ *
+ * @access public
+ * @see Workbook::store_workbook()
+ * @param array $sheetnames The array of sheetnames from the Workbook this
+ * worksheet belongs to
+ */
+ function close($sheetnames)
+ {
+ $num_sheets = count($sheetnames);
+
+ /***********************************************
+ * Prepend in reverse order!!
+ */
+
+ // Prepend the sheet dimensions
+ $this->_store_dimensions();
+
+ // Prepend the sheet password
+ $this->_store_password();
+
+ // Prepend the sheet protection
+ $this->_store_protect();
+
+ // Prepend the page setup
+ $this->_store_setup();
+
+ // Prepend the bottom margin
+ $this->_store_margin_bottom();
+
+ // Prepend the top margin
+ $this->_store_margin_top();
+
+ // Prepend the right margin
+ $this->_store_margin_right();
+
+ // Prepend the left margin
+ $this->_store_margin_left();
+
+ // Prepend the page vertical centering
+ $this->store_vcenter();
+
+ // Prepend the page horizontal centering
+ $this->store_hcenter();
+
+ // Prepend the page footer
+ $this->store_footer();
+
+ // Prepend the page header
+ $this->store_header();
+
+ // Prepend the vertical page breaks
+ $this->_store_vbreak();
+
+ // Prepend the horizontal page breaks
+ $this->_store_hbreak();
+
+ // Prepend WSBOOL
+ $this->_store_wsbool();
+
+ // Prepend GRIDSET
+ $this->_store_gridset();
+
+ // Prepend PRINTGRIDLINES
+ $this->_store_print_gridlines();
+
+ // Prepend PRINTHEADERS
+ $this->_store_print_headers();
+
+ // Prepend EXTERNSHEET references
+ for ($i = $num_sheets; $i > 0; $i--) {
+ $sheetname = $sheetnames[$i-1];
+ $this->_store_externsheet($sheetname);
+ }
+
+ // Prepend the EXTERNCOUNT of external references.
+ $this->_store_externcount($num_sheets);
+
+ // Prepend the COLINFO records if they exist
+ if (!empty($this->colinfo)){
+ for($i=0; $i < count($this->colinfo); $i++)
+ {
+ $this->_store_colinfo($this->colinfo[$i]);
+ }
+ $this->_store_defcol();
+ }
+
+ // Prepend the BOF record
+ $this->_store_bof(0x0010);
+
+ /*
+ * End of prepend. Read upwards from here.
+ ***********************************************/
+
+ // Append
+ $this->_store_window2();
+ $this->_store_zoom();
+ if(!empty($this->_panes))
+ $this->_store_panes($this->_panes);
+ $this->_store_selection($this->_selection);
+ $this->_store_eof();
+ }
+
+ /**
+ * Retrieve the worksheet name. This is usefull when creating worksheets
+ * without a name.
+ *
+ * @access public
+ * @return string The worksheet's name
+ */
+ function get_name()
+ {
+ return($this->name);
+ }
+
+ /**
+ * Retrieves data from memory in one chunk, or from disk in $buffer
+ * sized chunks.
+ *
+ * @return string The data
+ */
+ function get_data()
+ {
+ $buffer = 4096;
+
+ // Return data stored in memory
+ if (isset($this->_data)) {
+ $tmp = $this->_data;
+ unset($this->_data);
+ $fh = $this->_filehandle;
+ if ($this->_using_tmpfile) {
+ fseek($fh, 0);
+ }
+ return($tmp);
+ }
+ // Return data stored on disk
+ if ($this->_using_tmpfile) {
+ if ($tmp = fread($this->_filehandle, $buffer)) {
+ return($tmp);
+ }
+ }
+
+ // No data to return
+ return('');
+ }
+
+ /**
+ * Set this worksheet as a selected worksheet, i.e. the worksheet has its tab
+ * highlighted.
+ *
+ * @access public
+ */
+ function select()
+ {
+ $this->selected = 1;
+ }
+
+ /**
+ * Set this worksheet as the active worksheet, i.e. the worksheet that is
+ * displayed when the workbook is opened. Also set it as selected.
+ *
+ * @access public
+ */
+ function activate()
+ {
+ $this->selected = 1;
+ $this->activesheet =& $this->index;
+ }
+
+ /**
+ * Set this worksheet as the first visible sheet. This is necessary
+ * when there are a large number of worksheets and the activated
+ * worksheet is not visible on the screen.
+ *
+ * @access public
+ */
+ function set_first_sheet()
+ {
+ $this->firstsheet = $this->index;
+ }
+
+ /**
+ * Set the worksheet protection flag to prevent accidental modification and to
+ * hide formulas if the locked and hidden format properties have been set.
+ *
+ * @access public
+ * @param string $password The password to use for protecting the sheet.
+ */
+ function protect($password)
+ {
+ $this->_protect = 1;
+ $this->_password = $this->_encode_password($password);
+ }
+
+ /**
+ * Set the width of a single column or a range of columns.
+ *
+ * @access public
+ * @see _store_colinfo()
+ * @param integer $firstcol first column on the range
+ * @param integer $lastcol last column on the range
+ * @param integer $width width to set
+ * @param mixed $format The optional XF format to apply to the columns
+ * @param integer $hidden The optional hidden atribute
+ */
+ function set_column($firstcol, $lastcol, $width, $format = null, $hidden = 0)
+ {
+ $this->colinfo[] = array($firstcol, $lastcol, $width, $format, $hidden);
+
+ // Set width to zero if column is hidden
+ $width = ($hidden) ? 0 : $width;
+
+ for($col = $firstcol; $col <= $lastcol; $col++) {
+ $this->col_sizes[$col] = $width;
+ }
+ }
+
+ /**
+ * Set which cell or cells are selected in a worksheet
+ *
+ * @access public
+ * @param integer $first_row first row in the selected quadrant
+ * @param integer $first_column first column in the selected quadrant
+ * @param integer $last_row last row in the selected quadrant
+ * @param integer $last_column last column in the selected quadrant
+ * @see _store_selection()
+ */
+ function set_selection($first_row,$first_column,$last_row,$last_column)
+ {
+ $this->_selection = array($first_row,$first_column,$last_row,$last_column);
+ }
+
+ /**
+ * Set panes and mark them as frozen.
+ *
+ * @access public
+ * @param array $panes This is the only parameter received and is composed of the following:
+ * 0 => Vertical split position,
+ * 1 => Horizontal split position
+ * 2 => Top row visible
+ * 3 => Leftmost column visible
+ * 4 => Active pane
+ */
+ function freeze_panes($panes)
+ {
+ $this->_frozen = 1;
+ $this->_panes = $panes;
+ }
+
+ /**
+ * Set panes and mark them as unfrozen.
+ *
+ * @access public
+ * @param array $panes This is the only parameter received and is composed of the following:
+ * 0 => Vertical split position,
+ * 1 => Horizontal split position
+ * 2 => Top row visible
+ * 3 => Leftmost column visible
+ * 4 => Active pane
+ */
+ function thaw_panes($panes)
+ {
+ $this->_frozen = 0;
+ $this->_panes = $panes;
+ }
+
+ /**
+ * Set the page orientation as portrait.
+ *
+ * @access public
+ */
+ function set_portrait()
+ {
+ $this->_orientation = 1;
+ }
+
+ /**
+ * Set the page orientation as landscape.
+ *
+ * @access public
+ */
+ function set_landscape()
+ {
+ $this->_orientation = 0;
+ }
+
+ /**
+ * Set the paper type. Ex. 1 = US Letter, 9 = A4
+ *
+ * @access public
+ * @param integer $size The type of paper size to use
+ */
+ function set_paper($size = 0)
+ {
+ $this->_paper_size = $size;
+ }
+
+
+ /**
+ * Set the page header caption and optional margin.
+ *
+ * @access public
+ * @param string $string The header text
+ * @param float $margin optional head margin in inches.
+ */
+ function set_header($string,$margin = 0.50)
+ {
+ if (strlen($string) >= 255) {
+ //carp 'Header string must be less than 255 characters';
+ return;
+ }
+ $this->_header = $string;
+ $this->_margin_head = $margin;
+ }
+
+ /**
+ * Set the page footer caption and optional margin.
+ *
+ * @access public
+ * @param string $string The footer text
+ * @param float $margin optional foot margin in inches.
+ */
+ function set_footer($string,$margin = 0.50)
+ {
+ if (strlen($string) >= 255) {
+ //carp 'Footer string must be less than 255 characters';
+ return;
+ }
+ $this->_footer = $string;
+ $this->_margin_foot = $margin;
+ }
+
+ /**
+ * Center the page horinzontally.
+ *
+ * @access public
+ * @param integer $center the optional value for centering. Defaults to 1 (center).
+ */
+ function center_horizontally($center = 1)
+ {
+ $this->_hcenter = $center;
+ }
+
+ /**
+ * Center the page horinzontally.
+ *
+ * @access public
+ * @param integer $center the optional value for centering. Defaults to 1 (center).
+ */
+ function center_vertically($center = 1)
+ {
+ $this->_vcenter = $center;
+ }
+
+ /**
+ * Set all the page margins to the same value in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margins($margin)
+ {
+ $this->set_margin_left($margin);
+ $this->set_margin_right($margin);
+ $this->set_margin_top($margin);
+ $this->set_margin_bottom($margin);
+ }
+
+ /**
+ * Set the left and right margins to the same value in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margins_LR($margin)
+ {
+ $this->set_margin_left($margin);
+ $this->set_margin_right($margin);
+ }
+
+ /**
+ * Set the top and bottom margins to the same value in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margins_TB($margin)
+ {
+ $this->set_margin_top($margin);
+ $this->set_margin_bottom($margin);
+ }
+
+ /**
+ * Set the left margin in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margin_left($margin = 0.75)
+ {
+ $this->_margin_left = $margin;
+ }
+
+ /**
+ * Set the right margin in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margin_right($margin = 0.75)
+ {
+ $this->_margin_right = $margin;
+ }
+
+ /**
+ * Set the top margin in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margin_top($margin = 1.00)
+ {
+ $this->_margin_top = $margin;
+ }
+
+ /**
+ * Set the bottom margin in inches.
+ *
+ * @access public
+ * @param float $margin The margin to set in inches
+ */
+ function set_margin_bottom($margin = 1.00)
+ {
+ $this->_margin_bottom = $margin;
+ }
+
+ /**
+ * Set the rows to repeat at the top of each printed page. See also the
+ * _store_name_xxxx() methods in Workbook.php
+ *
+ * @access public
+ * @param integer $first_row First row to repeat
+ * @param integer $last_row Last row to repeat. Optional.
+ */
+ function repeat_rows($first_row, $last_row = NULL)
+ {
+ $this->_title_rowmin = $first_row;
+ if(isset($last_row)) { //Second row is optional
+ $this->_title_rowmax = $last_row;
+ }
+ else {
+ $this->_title_rowmax = $first_row;
+ }
+ }
+
+ /**
+ * Set the columns to repeat at the left hand side of each printed page.
+ * See also the _store_names() methods in Workbook.php
+ *
+ * @access public
+ * @param integer $first_col First column to repeat
+ * @param integer $last_col Last column to repeat. Optional.
+ */
+ function repeat_columns($first_col, $last_col = NULL)
+ {
+ $this->_title_colmin = $first_col;
+ if(isset($last_col)) { // Second col is optional
+ $this->_title_colmax = $last_col;
+ }
+ else {
+ $this->_title_colmax = $first_col;
+ }
+ }
+
+ /**
+ * Set the area of each worksheet that will be printed.
+ *
+ * @access public
+ * @see Workbook::_store_names()
+ * @param integer $first_row First row of the area to print
+ * @param integer $first_col First column of the area to print
+ * @param integer $last_row Last row of the area to print
+ * @param integer $last_col Last column of the area to print
+ */
+ function print_area($first_row, $first_col, $last_row, $last_col)
+ {
+ $this->_print_rowmin = $first_row;
+ $this->_print_colmin = $first_col;
+ $this->_print_rowmax = $last_row;
+ $this->_print_colmax = $last_col;
+ }
+
+
+ /**
+ * Set the option to hide gridlines on the printed page.
+ *
+ * @access public
+ * @see _store_print_gridlines(), _store_gridset()
+ */
+ function hide_gridlines()
+ {
+ $this->_print_gridlines = 0;
+ }
+
+ /**
+ * Set the option to print the row and column headers on the printed page.
+ * See also the _store_print_headers() method below.
+ *
+ * @access public
+ * @see _store_print_headers()
+ * @param integer $print Whether to print the headers or not. Defaults to 1 (print).
+ */
+ function print_row_col_headers($print = 1)
+ {
+ $this->_print_headers = $print;
+ }
+
+ /**
+ * Store the vertical and horizontal number of pages that will define the
+ * maximum area printed. It doesn't seem to work with OpenOffice.
+ *
+ * @access public
+ * @param integer $width Maximun width of printed area in pages
+ * @param integer $heigth Maximun heigth of printed area in pages
+ * @see set_print_scale()
+ */
+ function fit_to_pages($width, $height)
+ {
+ $this->_fit_page = 1;
+ $this->_fit_width = $width;
+ $this->_fit_height = $height;
+ }
+
+ /**
+ * Store the horizontal page breaks on a worksheet (for printing).
+ * The breaks represent the row after which the break is inserted.
+ *
+ * @access public
+ * @param array $breaks Array containing the horizontal page breaks
+ */
+ function set_h_pagebreaks($breaks)
+ {
+ foreach($breaks as $break) {
+ array_push($this->_hbreaks,$break);
+ }
+ }
+
+ /**
+ * Store the vertical page breaks on a worksheet (for printing).
+ * The breaks represent the column after which the break is inserted.
+ *
+ * @access public
+ * @param array $breaks Array containing the vertical page breaks
+ */
+ function set_v_pagebreaks($breaks)
+ {
+ foreach($breaks as $break) {
+ array_push($this->_vbreaks,$break);
+ }
+ }
+
+
+ /**
+ * Set the worksheet zoom factor.
+ *
+ * @access public
+ * @param integer $scale The zoom factor
+ */
+ function set_zoom($scale = 100)
+ {
+ // Confine the scale to Excel's range
+ if ($scale < 10 or $scale > 400) {
+ //carp "Zoom factor $scale outside range: 10 <= zoom <= 400";
+ $scale = 100;
+ }
+
+ $this->_zoom = floor($scale);
+ }
+
+ /**
+ * Set the scale factor for the printed page.
+ * It turns off the "fit to page" option
+ *
+ * @access public
+ * @param integer $scale The optional scale factor. Defaults to 100
+ */
+ function set_print_scale($scale = 100)
+ {
+ // Confine the scale to Excel's range
+ if ($scale < 10 or $scale > 400)
+ {
+ // REPLACE THIS FOR A WARNING
+ die("Print scale $scale outside range: 10 <= zoom <= 400");
+ $scale = 100;
+ }
+
+ // Turn off "fit to page" option
+ $this->_fit_page = 0;
+
+ $this->_print_scale = floor($scale);
+ }
+
+ /** added 2009-03-05 by Joe Hunt, FA for arabic languages */
+ function set_rtl()
+ {
+ $this->_rtl = 1;
+ }
+ /**
+ * Map to the appropriate write method acording to the token recieved.
+ *
+ * @access public
+ * @param integer $row The row of the cell we are writing to
+ * @param integer $col The column of the cell we are writing to
+ * @param mixed $token What we are writing
+ * @param mixed $format The optional format to apply to the cell
+ */
+ function write($row, $col, $token, $format = null)
+ {
+ // Check for a cell reference in A1 notation and substitute row and column
+ /*if ($_[0] =~ /^\D/) {
+ @_ = $this->_substitute_cellref(@_);
+ }*/
+
+ /*
+ # Match an array ref.
+ if (ref $token eq "ARRAY") {
+ return $this->write_row(@_);
+ }*/
+
+ // Match number
+ if (preg_match("/^([+-]?)(?=\d|\.\d)\d*(\.\d*)?([Ee]([+-]?\d+))?$/",$token)) {
+ return $this->write_number($row,$col,$token,$format);
+ }
+ // Match http or ftp URL
+ elseif (preg_match("/^[fh]tt?p:\/\//",$token)) {
+ return $this->write_url($row, $col, $token, $format);
+ }
+ // Match mailto:
+ elseif (preg_match("/^mailto:/",$token)) {
+ return $this->write_url($row, $col, $token, $format);
+ }
+ // Match internal or external sheet link
+ elseif (preg_match("/^(?:in|ex)ternal:/",$token)) {
+ return $this->write_url($row, $col, $token, $format);
+ }
+ // Match formula
+ elseif (preg_match("/^=/",$token)) {
+ return $this->write_formula($row, $col, $token, $format);
+ }
+ // Match formula
+ elseif (preg_match("/^@/",$token)) {
+ return $this->write_formula($row, $col, $token, $format);
+ }
+ // Match blank
+ elseif ($token == '') {
+ return $this->write_blank($row,$col,$format);
+ }
+ // Default: match string
+ else {
+ return $this->write_string($row,$col,$token,$format);
+ }
+ }
+
+ /**
+ * Returns an index to the XF record in the workbook
+ *
+ * @param mixed $format The optional XF format
+ * @return integer The XF record index
+ */
+ //function _XF(&$format)
+ function _XF($format=null)
+ {
+ if($format != null)
+ {
+ return($format->get_xf_index());
+ }
+ else
+ {
+ return(0x0F);
+ }
+ }
+
+
+ /******************************************************************************
+ *******************************************************************************
+ *
+ * Internal methods
+ */
+
+
+ /**
+ * Store Worksheet data in memory using the parent's class append() or to a
+ * temporary file, the default.
+ *
+ * @param string $data The binary data to append
+ */
+ function _append($data)
+ {
+ if ($this->_using_tmpfile)
+ {
+ // Add CONTINUE records if necessary
+ if (strlen($data) > $this->_limit) {
+ $data = $this->_add_continue($data);
+ }
+ fwrite($this->_filehandle,$data);
+ $this->_datasize += strlen($data);
+ }
+ else {
+ parent::_append($data);
+ }
+ }
+
+ /**
+ * Substitute an Excel cell reference in A1 notation for zero based row and
+ * column values in an argument list.
+ *
+ * Ex: ("A4", "Hello") is converted to (3, 0, "Hello").
+ *
+ * @param string $cell The cell reference. Or range of cells.
+ * @return array
+ */
+ function _substitute_cellref($cell)
+ {
+ $cell = strtoupper($cell);
+
+ // Convert a column range: 'A:A' or 'B:G'
+ if (preg_match("/([A-I]?[A-Z]):([A-I]?[A-Z])/",$cell,$match)) {
+ list($no_use, $col1) = $this->_cell_to_rowcol($match[1] .'1'); // Add a dummy row
+ list($no_use, $col2) = $this->_cell_to_rowcol($match[2] .'1'); // Add a dummy row
+ return(array($col1, $col2));
+ }
+
+ // Convert a cell range: 'A1:B7'
+ if (preg_match("/\$?([A-I]?[A-Z]\$?\d+):\$?([A-I]?[A-Z]\$?\d+)/",$cell,$match)) {
+ list($row1, $col1) = $this->_cell_to_rowcol($match[1]);
+ list($row2, $col2) = $this->_cell_to_rowcol($match[2]);
+ return(array($row1, $col1, $row2, $col2));
+ }
+
+ // Convert a cell reference: 'A1' or 'AD2000'
+ if (preg_match("/\$?([A-I]?[A-Z]\$?\d+)/",$cell)) {
+ list($row1, $col1) = $this->_cell_to_rowcol($match[1]);
+ return(array($row1, $col1));
+ }
+
+ die("Unknown cell reference $cell ");
+ }
+
+ /**
+ * Convert an Excel cell reference in A1 notation to a zero based row and column
+ * reference; converts C1 to (0, 2).
+ *
+ * @param string $cell The cell reference.
+ * @return array containing (row, column)
+ */
+ function _cell_to_rowcol($cell)
+ {
+ preg_match("/\$?([A-I]?[A-Z])\$?(\d+)/",$cell,$match);
+ $col = $match[1];
+ $row = $match[2];
+
+ // Convert base26 column string to number
+ $chars = split('', $col);
+ $expn = 0;
+ $col = 0;
+
+ while ($chars) {
+ $char = array_pop($chars); // LS char first
+ $col += (ord($char) -ord('A') +1) * pow(26,$expn);
+ $expn++;
+ }
+
+ // Convert 1-index to zero-index
+ $row--;
+ $col--;
+
+ return(array($row, $col));
+ }
+
+ /**
+ * Based on the algorithm provided by Daniel Rentz of OpenOffice.
+ *
+ * @param string $plaintext The password to be encoded in plaintext.
+ * @return string The encoded password
+ */
+ function _encode_password($plaintext)
+ {
+ $password = 0x0000;
+ $i = 1; // char position
+
+ // split the plain text password in its component characters
+ $chars = preg_split('//', $plaintext, -1, PREG_SPLIT_NO_EMPTY);
+ foreach($chars as $char)
+ {
+ $value = ord($char) << $i; // shifted ASCII value
+ $bit_16 = $value & 0x8000; // the bit 16
+ $bit_16 >>= 15; // 0x0000 or 0x0001
+ //$bit_17 = $value & 0x00010000;
+ //$bit_17 >>= 15;
+ $value &= 0x7fff; // first 15 bits
+ $password ^= ($value | $bit_16);
+ //$password ^= ($value | $bit_16 | $bit_17);
+ $i++;
+ }
+
+ $password ^= strlen($plaintext);
+ $password ^= 0xCE4B;
+
+ return($password);
+ }
+
+ /******************************************************************************
+ *******************************************************************************
+ *
+ * BIFF RECORDS
+ */
+
+
+ /**
+ * Write a double to the specified row and column (zero indexed).
+ * An integer can be written as a double. Excel will display an
+ * integer. $format is optional.
+ *
+ * Returns 0 : normal termination
+ * -2 : row or column out of range
+ *
+ * @access public
+ * @param integer $row Zero indexed row
+ * @param integer $col Zero indexed column
+ * @param float $num The number to write
+ * @param mixed $format The optional XF format
+ */
+ function write_number($row, $col, $num, $format = null)
+ {
+ $record = 0x0203; // Record identifier
+ $length = 0x000E; // Number of bytes to follow
+ $xf = $this->_XF($format); // The cell format
+
+ // Check that row and col are valid and store max and min values
+ if ($row >= $this->xls_rowmax)
+ {
+ return(-2);
+ }
+ if ($col >= $this->xls_colmax)
+ {
+ return(-2);
+ }
+ if ($row < $this->dim_rowmin)
+ {
+ $this->dim_rowmin = $row;
+ }
+ if ($row > $this->dim_rowmax)
+ {
+ $this->dim_rowmax = $row;
+ }
+ if ($col < $this->dim_colmin)
+ {
+ $this->dim_colmin = $col;
+ }
+ if ($col > $this->dim_colmax)
+ {
+ $this->dim_colmax = $col;
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvv", $row, $col, $xf);
+ $xl_double = pack("d", $num);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $xl_double = strrev($xl_double);
+ }
+
+ $this->_append($header.$data.$xl_double);
+ return(0);
+ }
+
+ /**
+ * Write a string to the specified row and column (zero indexed).
+ * NOTE: there is an Excel 5 defined limit of 255 characters.
+ * $format is optional.
+ * Returns 0 : normal termination
+ * -1 : insufficient number of arguments
+ * -2 : row or column out of range
+ * -3 : long string truncated to 255 chars
+ *
+ * @access public
+ * @param integer $row Zero indexed row
+ * @param integer $col Zero indexed column
+ * @param string $str The string to write
+ * @param mixed $format The XF format for the cell
+ */
+ function write_string($row, $col, $str, $format = null)
+ {
+ $strlen = strlen($str);
+ $record = 0x0204; // Record identifier
+ $length = 0x0008 + $strlen; // Bytes to follow
+ $xf = $this->_XF($format); // The cell format
+
+ $str_error = 0;
+
+ // Check that row and col are valid and store max and min values
+ if ($row >= $this->xls_rowmax)
+ {
+ return(-2);
+ }
+ if ($col >= $this->xls_colmax)
+ {
+ return(-2);
+ }
+ if ($row < $this->dim_rowmin)
+ {
+ $this->dim_rowmin = $row;
+ }
+ if ($row > $this->dim_rowmax)
+ {
+ $this->dim_rowmax = $row;
+ }
+ if ($col < $this->dim_colmin)
+ {
+ $this->dim_colmin = $col;
+ }
+ if ($col > $this->dim_colmax)
+ {
+ $this->dim_colmax = $col;
+ }
+
+ if ($strlen > $this->xls_strmax) // LABEL must be < 255 chars
+ {
+ $str = substr($str, 0, $this->xls_strmax);
+ $length = 0x0008 + $this->xls_strmax;
+ $strlen = $this->xls_strmax;
+ $str_error = -3;
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvv", $row, $col, $xf, $strlen);
+ $this->_append($header.$data.$str);
+ return($str_error);
+ }
+
+ /**
+ * Writes a note associated with the cell given by the row and column.
+ * NOTE records don't have a length limit.
+ *
+ * @access public
+ * @param integer $row Zero indexed row
+ * @param integer $col Zero indexed column
+ * @param string $note The note to write
+ */
+ function write_note($row, $col, $note)
+ {
+ $note_length = strlen($note);
+ $record = 0x001C; // Record identifier
+ $max_length = 2048; // Maximun length for a NOTE record
+ //$length = 0x0006 + $note_length; // Bytes to follow
+
+ // Check that row and col are valid and store max and min values
+ if ($row >= $this->xls_rowmax)
+ {
+ return(-2);
+ }
+ if ($col >= $this->xls_colmax)
+ {
+ return(-2);
+ }
+ if ($row < $this->dim_rowmin)
+ {
+ $this->dim_rowmin = $row;
+ }
+ if ($row > $this->dim_rowmax)
+ {
+ $this->dim_rowmax = $row;
+ }
+ if ($col < $this->dim_colmin)
+ {
+ $this->dim_colmin = $col;
+ }
+ if ($col > $this->dim_colmax)
+ {
+ $this->dim_colmax = $col;
+ }
+
+ // Length for this record is no more than 2048 + 6
+ $length = 0x0006 + min($note_length, 2048);
+ $header = pack("vv", $record, $length);
+ $data = pack("vvv", $row, $col, $note_length);
+ $this->_append($header.$data.substr($note, 0, 2048));
+
+ for($i = $max_length; $i < $note_length; $i += $max_length)
+ {
+ $chunk = substr($note, $i, $max_length);
+ $length = 0x0006 + strlen($chunk);
+ $header = pack("vv", $record, $length);
+ $data = pack("vvv", -1, 0, strlen($chunk));
+ $this->_append($header.$data.$chunk);
+ }
+ return(0);
+ }
+
+ /**
+ * Write a blank cell to the specified row and column (zero indexed).
+ * A blank cell is used to specify formatting without adding a string
+ * or a number.
+ *
+ * A blank cell without a format serves no purpose. Therefore, we don't write
+ * a BLANK record unless a format is specified. This is mainly an optimisation
+ * for the write_row() and write_col() methods.
+ *
+ * Returns 0 : normal termination (including no format)
+ * -1 : insufficient number of arguments
+ * -2 : row or column out of range
+ *
+ * @access public
+ * @param integer $row Zero indexed row
+ * @param integer $col Zero indexed column
+ * @param mixed $format The XF format
+ */
+ function write_blank($row, $col, $format = null)
+ {
+ // Don't write a blank cell unless it has a format
+ if ($format == null)
+ {
+ return(0);
+ }
+
+ $record = 0x0201; // Record identifier
+ $length = 0x0006; // Number of bytes to follow
+ $xf = $this->_XF($format); // The cell format
+
+ // Check that row and col are valid and store max and min values
+ if ($row >= $this->xls_rowmax)
+ {
+ return(-2);
+ }
+ if ($col >= $this->xls_colmax)
+ {
+ return(-2);
+ }
+ if ($row < $this->dim_rowmin)
+ {
+ $this->dim_rowmin = $row;
+ }
+ if ($row > $this->dim_rowmax)
+ {
+ $this->dim_rowmax = $row;
+ }
+ if ($col < $this->dim_colmin)
+ {
+ $this->dim_colmin = $col;
+ }
+ if ($col > $this->dim_colmax)
+ {
+ $this->dim_colmax = $col;
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvv", $row, $col, $xf);
+ $this->_append($header.$data);
+ return 0;
+ }
+
+ /**
+ * Write a formula to the specified row and column (zero indexed).
+ * The textual representation of the formula is passed to the parser in
+ * Parser.php which returns a packed binary string.
+ *
+ * Returns 0 : normal termination
+ * -2 : row or column out of range
+ *
+ * @access public
+ * @param integer $row Zero indexed row
+ * @param integer $col Zero indexed column
+ * @param string $formula The formula text string
+ * @param mixed $format The optional XF format
+ */
+ function write_formula($row, $col, $formula, $format = null)
+ {
+ $record = 0x0006; // Record identifier
+
+ // Excel normally stores the last calculated value of the formula in $num.
+ // Clearly we are not in a position to calculate this a priori. Instead
+ // we set $num to zero and set the option flags in $grbit to ensure
+ // automatic calculation of the formula when the file is opened.
+ //
+ $xf = $this->_XF($format); // The cell format
+ $num = 0x00; // Current value of formula
+ $grbit = 0x03; // Option flags
+ $chn = 0x0000; // Must be zero
+
+
+ // Check that row and col are valid and store max and min values
+ if ($row >= $this->xls_rowmax)
+ {
+ return(-2);
+ }
+ if ($col >= $this->xls_colmax)
+ {
+ return(-2);
+ }
+ if ($row < $this->dim_rowmin)
+ {
+ $this->dim_rowmin = $row;
+ }
+ if ($row > $this->dim_rowmax)
+ {
+ $this->dim_rowmax = $row;
+ }
+ if ($col < $this->dim_colmin)
+ {
+ $this->dim_colmin = $col;
+ }
+ if ($col > $this->dim_colmax)
+ {
+ $this->dim_colmax = $col;
+ }
+
+ // Strip the '=' or '@' sign at the beginning of the formula string
+ if (ereg("^=",$formula)) {
+ $formula = preg_replace("/(^=)/","",$formula);
+ }
+ elseif(ereg("^@",$formula)) {
+ $formula = preg_replace("/(^@)/","",$formula);
+ }
+ else {
+ die("Unrecognised character for formula");
+ }
+
+ // Parse the formula using the parser in Parser.php
+ //$tree = new Parser($this->_byte_order);
+ $this->_parser->parse($formula);
+ //$tree->parse($formula);
+ $formula = $this->_parser->to_reverse_polish();
+
+ $formlen = strlen($formula); // Length of the binary string
+ $length = 0x16 + $formlen; // Length of the record data
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvdvVv", $row, $col, $xf, $num,
+ $grbit, $chn, $formlen);
+
+ $this->_append($header.$data.$formula);
+ return 0;
+ }
+
+ /**
+ * Write a hyperlink. This is comprised of two elements: the visible label and
+ * the invisible link. The visible label is the same as the link unless an
+ * alternative string is specified. The label is written using the
+ * write_string() method. Therefore the 255 characters string limit applies.
+ * $string and $format are optional and their order is interchangeable.
+ *
+ * The hyperlink can be to a http, ftp, mail, internal sheet, or external
+ * directory url.
+ *
+ * Returns 0 : normal termination
+ * -1 : insufficient number of arguments
+ * -2 : row or column out of range
+ * -3 : long string truncated to 255 chars
+ *
+ * @access public
+ * @param integer $row Row
+ * @param integer $col Column
+ * @param string $url URL string
+ * @param string $string Alternative label
+ * @param mixed $format The cell format
+ */
+ function write_url($row, $col, $url, $string = '', $format = null)
+ {
+ // Add start row and col to arg list
+ return($this->_write_url_range($row, $col, $row, $col, $url, $string, $format));
+ }
+
+ /**
+ * This is the more general form of write_url(). It allows a hyperlink to be
+ * written to a range of cells. This function also decides the type of hyperlink
+ * to be written. These are either, Web (http, ftp, mailto), Internal
+ * (Sheet1!A1) or external ('c:\temp\foo.xls#Sheet1!A1').
+ *
+ * See also write_url() above for a general description and return values.
+ *
+ * @param integer $row1 Start row
+ * @param integer $col1 Start column
+ * @param integer $row2 End row
+ * @param integer $col2 End column
+ * @param string $url URL string
+ * @param string $string Alternative label
+ * @param mixed $format The cell format
+ */
+
+ function _write_url_range($row1, $col1, $row2, $col2, $url, $string = '', $format = null)
+ {
+ // Check for internal/external sheet links or default to web link
+ if (preg_match('[^internal:]', $url)) {
+ return($this->_write_url_internal($row1, $col1, $row2, $col2, $url, $string, $format));
+ }
+ if (preg_match('[^external:]', $url)) {
+ return($this->_write_url_external($row1, $col1, $row2, $col2, $url, $string, $format));
+ }
+ return($this->_write_url_web($row1, $col1, $row2, $col2, $url, $string, $format));
+ }
+
+
+ /**
+ * Used to write http, ftp and mailto hyperlinks.
+ * The link type ($options) is 0x03 is the same as absolute dir ref without
+ * sheet. However it is differentiated by the $unknown2 data stream.
+ *
+ * @see write_url()
+ * @param integer $row1 Start row
+ * @param integer $col1 Start column
+ * @param integer $row2 End row
+ * @param integer $col2 End column
+ * @param string $url URL string
+ * @param string $str Alternative label
+ * @param mixed $format The cell format
+ */
+ function _write_url_web($row1, $col1, $row2, $col2, $url, $str, $format = null)
+ {
+ $record = 0x01B8; // Record identifier
+ $length = 0x00000; // Bytes to follow
+
+ if($format == null) {
+ $format = $this->_url_format;
+ }
+
+ // Write the visible label using the write_string() method.
+ if($str == '') {
+ $str = $url;
+ }
+ $str_error = $this->write_string($row1, $col1, $str, $format);
+ if ($str_error == -2) {
+ return($str_error);
+ }
+
+ // Pack the undocumented parts of the hyperlink stream
+ $unknown1 = pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");
+ $unknown2 = pack("H*", "E0C9EA79F9BACE118C8200AA004BA90B");
+
+ // Pack the option flags
+ $options = pack("V", 0x03);
+
+ // Convert URL to a null terminated wchar string
+ $url = join("\0", preg_split("''", $url, -1, PREG_SPLIT_NO_EMPTY));
+ $url = $url . "\0\0\0";
+
+ // Pack the length of the URL
+ $url_len = pack("V", strlen($url));
+
+ // Calculate the data length
+ $length = 0x34 + strlen($url);
+
+ // Pack the header data
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvv", $row1, $row2, $col1, $col2);
+
+ // Write the packed data
+ $this->_append( $header. $data.
+ $unknown1. $options.
+ $unknown2. $url_len. $url);
+ return($str_error);
+ }
+
+ /**
+ * Used to write internal reference hyperlinks such as "Sheet1!A1".
+ *
+ * @see write_url()
+ * @param integer $row1 Start row
+ * @param integer $col1 Start column
+ * @param integer $row2 End row
+ * @param integer $col2 End column
+ * @param string $url URL string
+ * @param string $str Alternative label
+ * @param mixed $format The cell format
+ */
+ function _write_url_internal($row1, $col1, $row2, $col2, $url, $str, $format = null)
+ {
+ $record = 0x01B8; // Record identifier
+ $length = 0x00000; // Bytes to follow
+
+ if ($format == null) {
+ $format = $this->_url_format;
+ }
+
+ // Strip URL type
+ $url = preg_replace('s[^internal:]', '', $url);
+
+ // Write the visible label
+ if($str == '') {
+ $str = $url;
+ }
+ $str_error = $this->write_string($row1, $col1, $str, $format);
+ if ($str_error == -2) {
+ return($str_error);
+ }
+
+ // Pack the undocumented parts of the hyperlink stream
+ $unknown1 = pack("H*", "D0C9EA79F9BACE118C8200AA004BA90B02000000");
+
+ // Pack the option flags
+ $options = pack("V", 0x08);
+
+ // Convert the URL type and to a null terminated wchar string
+ $url = join("\0", preg_split("''", $url, -1, PREG_SPLIT_NO_EMPTY));
+ $url = $url . "\0\0\0";
+
+ // Pack the length of the URL as chars (not wchars)
+ $url_len = pack("V", floor(strlen($url)/2));
+
+ // Calculate the data length
+ $length = 0x24 + strlen($url);
+
+ // Pack the header data
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvv", $row1, $row2, $col1, $col2);
+
+ // Write the packed data
+ $this->_append($header. $data.
+ $unknown1. $options.
+ $url_len. $url);
+ return($str_error);
+ }
+
+ /**
+ * Write links to external directory names such as 'c:\foo.xls',
+ * c:\foo.xls#Sheet1!A1', '../../foo.xls'. and '../../foo.xls#Sheet1!A1'.
+ *
+ * Note: Excel writes some relative links with the $dir_long string. We ignore
+ * these cases for the sake of simpler code.
+ *
+ * @see write_url()
+ * @param integer $row1 Start row
+ * @param integer $col1 Start column
+ * @param integer $row2 End row
+ * @param integer $col2 End column
+ * @param string $url URL string
+ * @param string $str Alternative label
+ * @param mixed $format The cell format
+ */
+ function _write_url_external($row1, $col1, $row2, $col2, $url, $str, $format = null)
+ {
+ // Network drives are different. We will handle them separately
+ // MS/Novell network drives and shares start with \\
+ if (preg_match('[^external:\\\\]', $url)) {
+ return($this->_write_url_external_net($row1, $col1, $row2, $col2, $url, $str, $format));
+ }
+
+ $record = 0x01B8; // Record identifier
+ $length = 0x00000; // Bytes to follow
+
+ if ($format == null) {
+ $format = $this->_url_format;
+ }
+
+ // Strip URL type and change Unix dir separator to Dos style (if needed)
+ //
+ $url = preg_replace('[^external:]', '', $url);
+ $url = preg_replace('[/]', "\\", $url);
+
+ // Write the visible label
+ if ($str == '') {
+ $str = preg_replace('[\#]', ' - ', $url);
+ }
+ $str_error = $this->write_string($row1, $col1, $str, $format);
+ if ($str_error == -2) {
+ return($str_error);
+ }
+
+ // Determine if the link is relative or absolute:
+ // relative if link contains no dir separator, "somefile.xls"
+ // relative if link starts with up-dir, "..\..\somefile.xls"
+ // otherwise, absolute
+
+ $absolute = 0x02; // Bit mask
+ if (!preg_match('[\\]', $url)) {
+ $absolute = 0x00;
+ }
+ if (preg_match('[^\.\.\\]', $url)) {
+ $absolute = 0x00;
+ }
+
+ // Determine if the link contains a sheet reference and change some of the
+ // parameters accordingly.
+ // Split the dir name and sheet name (if it exists)
+ list($dir_long , $sheet) = split('/\#/', $url);
+ $link_type = 0x01 | $absolute;
+
+ if (isset($sheet)) {
+ $link_type |= 0x08;
+ $sheet_len = pack("V", strlen($sheet) + 0x01);
+ $sheet = join("\0", split('', $sheet));
+ $sheet .= "\0\0\0";
+ }
+ else {
+ $sheet_len = '';
+ $sheet = '';
+ }
+
+ // Pack the link type
+ $link_type = pack("V", $link_type);
+
+ // Calculate the up-level dir count e.g.. (..\..\..\ == 3)
+ $up_count = preg_match_all("/\.\.\\/", $dir_long, $useless);
+ $up_count = pack("v", $up_count);
+
+ // Store the short dos dir name (null terminated)
+ $dir_short = preg_replace('/\.\.\\/', '', $dir_long) . "\0";
+
+ // Store the long dir name as a wchar string (non-null terminated)
+ $dir_long = join("\0", split('', $dir_long));
+ $dir_long = $dir_long . "\0";
+
+ // Pack the lengths of the dir strings
+ $dir_short_len = pack("V", strlen($dir_short) );
+ $dir_long_len = pack("V", strlen($dir_long) );
+ $stream_len = pack("V", strlen($dir_long) + 0x06);
+
+ // Pack the undocumented parts of the hyperlink stream
+ $unknown1 = pack("H*",'D0C9EA79F9BACE118C8200AA004BA90B02000000' );
+ $unknown2 = pack("H*",'0303000000000000C000000000000046' );
+ $unknown3 = pack("H*",'FFFFADDE000000000000000000000000000000000000000');
+ $unknown4 = pack("v", 0x03 );
+
+ // Pack the main data stream
+ $data = pack("vvvv", $row1, $row2, $col1, $col2) .
+ $unknown1 .
+ $link_type .
+ $unknown2 .
+ $up_count .
+ $dir_short_len.
+ $dir_short .
+ $unknown3 .
+ $stream_len .
+ $dir_long_len .
+ $unknown4 .
+ $dir_long .
+ $sheet_len .
+ $sheet ;
+
+ // Pack the header data
+ $length = strlen($data);
+ $header = pack("vv", $record, $length);
+
+ // Write the packed data
+ $this->_append($header. $data);
+ return($str_error);
+ }
+
+
+ /*
+ ###############################################################################
+ #
+ # write_url_xxx($row1, $col1, $row2, $col2, $url, $string, $format)
+ #
+ # Write links to external MS/Novell network drives and shares such as
+ # '//NETWORK/share/foo.xls' and '//NETWORK/share/foo.xls#Sheet1!A1'.
+ #
+ # See also write_url() above for a general description and return values.
+ #
+ sub _write_url_external_net {
+
+ my $this = shift;
+
+ my $record = 0x01B8; # Record identifier
+ my $length = 0x00000; # Bytes to follow
+
+ my $row1 = $_[0]; # Start row
+ my $col1 = $_[1]; # Start column
+ my $row2 = $_[2]; # End row
+ my $col2 = $_[3]; # End column
+ my $url = $_[4]; # URL string
+ my $str = $_[5]; # Alternative label
+ my $xf = $_[6] || $this->{_url_format};# The cell format
+
+
+ # Strip URL type and change Unix dir separator to Dos style (if needed)
+ #
+ $url =~ s[^external:][];
+ $url =~ s[/][\\]g;
+
+
+ # Write the visible label
+ ($str = $url) =~ s[\#][ - ] unless defined $str;
+ my $str_error = $this->write_string($row1, $col1, $str, $xf);
+ return $str_error if $str_error == -2;
+
+
+ # Determine if the link contains a sheet reference and change some of the
+ # parameters accordingly.
+ # Split the dir name and sheet name (if it exists)
+ #
+ my ($dir_long , $sheet) = split /\#/, $url;
+ my $link_type = 0x0103; # Always absolute
+ my $sheet_len;
+
+ if (defined $sheet) {
+ $link_type |= 0x08;
+ $sheet_len = pack("V", length($sheet) + 0x01);
+ $sheet = join("\0", split('', $sheet));
+ $sheet .= "\0\0\0";
+ }
+ else {
+ $sheet_len = '';
+ $sheet = '';
+ }
+
+ # Pack the link type
+ $link_type = pack("V", $link_type);
+
+
+ # Make the string null terminated
+ $dir_long = $dir_long . "\0";
+
+
+ # Pack the lengths of the dir string
+ my $dir_long_len = pack("V", length $dir_long);
+
+
+ # Store the long dir name as a wchar string (non-null terminated)
+ $dir_long = join("\0", split('', $dir_long));
+ $dir_long = $dir_long . "\0";
+
+
+ # Pack the undocumented part of the hyperlink stream
+ my $unknown1 = pack("H*",'D0C9EA79F9BACE118C8200AA004BA90B02000000');
+
+
+ # Pack the main data stream
+ my $data = pack("vvvv", $row1, $row2, $col1, $col2) .
+ $unknown1 .
+ $link_type .
+ $dir_long_len .
+ $dir_long .
+ $sheet_len .
+ $sheet ;
+
+
+ # Pack the header data
+ $length = length $data;
+ my $header = pack("vv", $record, $length);
+
+
+ # Write the packed data
+ $this->_append( $header, $data);
+
+ return $str_error;
+}*/
+
+ /**
+ * This method is used to set the height and XF format for a row.
+ * Writes the BIFF record ROW.
+ *
+ * @access public
+ * @param integer $row The row to set
+ * @param integer $height Height we are giving to the row.
+ * Use NULL to set XF without setting height
+ * @param mixed $format XF format we are giving to the row
+ */
+ function set_row($row, $height, $format = null)
+ {
+ $record = 0x0208; // Record identifier
+ $length = 0x0010; // Number of bytes to follow
+
+ $colMic = 0x0000; // First defined column
+ $colMac = 0x0000; // Last defined column
+ $irwMac = 0x0000; // Used by Excel to optimise loading
+ $reserved = 0x0000; // Reserved
+ $grbit = 0x01C0; // Option flags. (monkey) see $1 do
+ $ixfe = $this->_XF($format); // XF index
+
+ // Use set_row($row, NULL, $XF) to set XF without setting height
+ if ($height != NULL) {
+ $miyRw = $height * 20; // row height
+ }
+ else {
+ $miyRw = 0xff; // default row height is 256
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvvvvv", $row, $colMic, $colMac, $miyRw,
+ $irwMac,$reserved, $grbit, $ixfe);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Writes Excel DIMENSIONS to define the area in which there is data.
+ */
+ function _store_dimensions()
+ {
+ $record = 0x0000; // Record identifier
+ $length = 0x000A; // Number of bytes to follow
+ $row_min = $this->dim_rowmin; // First row
+ $row_max = $this->dim_rowmax; // Last row plus 1
+ $col_min = $this->dim_colmin; // First column
+ $col_max = $this->dim_colmax; // Last column plus 1
+ $reserved = 0x0000; // Reserved by Excel
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvv", $row_min, $row_max,
+ $col_min, $col_max, $reserved);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write BIFF record Window2.
+ */
+ function _store_window2()
+ {
+ $record = 0x023E; // Record identifier
+ $length = 0x000A; // Number of bytes to follow
+
+ $grbit = 0x00B6; // Option flags
+ $rwTop = 0x0000; // Top row visible in window
+ $colLeft = 0x0000; // Leftmost column visible in window
+ $rgbHdr = 0x00000000; // Row/column heading and gridline color
+
+ // The options flags that comprise $grbit
+ $fDspFmla = 0; // 0 - bit
+ $fDspGrid = 1; // 1
+ $fDspRwCol = 1; // 2
+ $fFrozen = $this->_frozen; // 3
+ $fDspZeros = 1; // 4
+ $fDefaultHdr = 1; // 5
+ $fArabic = $this->_rtl; // 6
+ $fDspGuts = 1; // 7
+ $fFrozenNoSplit = 0; // 0 - bit
+ $fSelected = $this->selected; // 1
+ $fPaged = 1; // 2
+
+ $grbit = $fDspFmla;
+ $grbit |= $fDspGrid << 1;
+ $grbit |= $fDspRwCol << 2;
+ $grbit |= $fFrozen << 3;
+ $grbit |= $fDspZeros << 4;
+ $grbit |= $fDefaultHdr << 5;
+ $grbit |= $fArabic << 6;
+ $grbit |= $fDspGuts << 7;
+ $grbit |= $fFrozenNoSplit << 8;
+ $grbit |= $fSelected << 9;
+ $grbit |= $fPaged << 10;
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvV", $grbit, $rwTop, $colLeft, $rgbHdr);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Write BIFF record DEFCOLWIDTH if COLINFO records are in use.
+ */
+ function _store_defcol()
+ {
+ $record = 0x0055; // Record identifier
+ $length = 0x0002; // Number of bytes to follow
+ $colwidth = 0x0008; // Default column width
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $colwidth);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write BIFF record COLINFO to define column widths
+ *
+ * Note: The SDK says the record length is 0x0B but Excel writes a 0x0C
+ * length record.
+ *
+ * @param array $col_array This is the only parameter received and is composed of the following:
+ * 0 => First formatted column,
+ * 1 => Last formatted column,
+ * 2 => Col width (8.43 is Excel default),
+ * 3 => The optional XF format of the column,
+ * 4 => Option flags.
+ */
+ function _store_colinfo($col_array)
+ {
+ if(isset($col_array[0])) {
+ $colFirst = $col_array[0];
+ }
+ if(isset($col_array[1])) {
+ $colLast = $col_array[1];
+ }
+ if(isset($col_array[2])) {
+ $coldx = $col_array[2];
+ }
+ else {
+ $coldx = 8.43;
+ }
+ if(isset($col_array[3])) {
+ $format = $col_array[3];
+ }
+ else {
+ $format = null;
+ }
+ if(isset($col_array[4])) {
+ $grbit = $col_array[4];
+ }
+ else {
+ $grbit = 0;
+ }
+ $record = 0x007D; // Record identifier
+ $length = 0x000B; // Number of bytes to follow
+
+ $coldx += 0.72; // Fudge. Excel subtracts 0.72 !?
+ $coldx *= 256; // Convert to units of 1/256 of a char
+
+ $ixfe = $this->_XF($format);
+ $reserved = 0x00; // Reserved
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvvC", $colFirst, $colLast, $coldx,
+ $ixfe, $grbit, $reserved);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write BIFF record SELECTION.
+ *
+ * @param array $array array containing ($rwFirst,$colFirst,$rwLast,$colLast)
+ * @see set_selection()
+ */
+ function _store_selection($array)
+ {
+ list($rwFirst,$colFirst,$rwLast,$colLast) = $array;
+ $record = 0x001D; // Record identifier
+ $length = 0x000F; // Number of bytes to follow
+
+ $pnn = $this->_active_pane; // Pane position
+ $rwAct = $rwFirst; // Active row
+ $colAct = $colFirst; // Active column
+ $irefAct = 0; // Active cell ref
+ $cref = 1; // Number of refs
+
+ if (!isset($rwLast)) {
+ $rwLast = $rwFirst; // Last row in reference
+ }
+ if (!isset($colLast)) {
+ $colLast = $colFirst; // Last col in reference
+ }
+
+ // Swap last row/col for first row/col as necessary
+ if ($rwFirst > $rwLast)
+ {
+ list($rwFirst, $rwLast) = array($rwLast, $rwFirst);
+ }
+
+ if ($colFirst > $colLast)
+ {
+ list($colFirst, $colLast) = array($colLast, $colFirst);
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("CvvvvvvCC", $pnn, $rwAct, $colAct,
+ $irefAct, $cref,
+ $rwFirst, $rwLast,
+ $colFirst, $colLast);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Write BIFF record EXTERNCOUNT to indicate the number of external sheet
+ * references in a worksheet.
+ *
+ * Excel only stores references to external sheets that are used in formulas.
+ * For simplicity we store references to all the sheets in the workbook
+ * regardless of whether they are used or not. This reduces the overall
+ * complexity and eliminates the need for a two way dialogue between the formula
+ * parser the worksheet objects.
+ *
+ * @param integer $count The number of external sheet references in this worksheet
+ */
+ function _store_externcount($count)
+ {
+ $record = 0x0016; // Record identifier
+ $length = 0x0002; // Number of bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $count);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Writes the Excel BIFF EXTERNSHEET record. These references are used by
+ * formulas. A formula references a sheet name via an index. Since we store a
+ * reference to all of the external worksheets the EXTERNSHEET index is the same
+ * as the worksheet index.
+ *
+ * @param string $sheetname The name of a external worksheet
+ */
+ function _store_externsheet($sheetname)
+ {
+ $record = 0x0017; // Record identifier
+
+ // References to the current sheet are encoded differently to references to
+ // external sheets.
+ //
+ if ($this->name == $sheetname) {
+ $sheetname = '';
+ $length = 0x02; // The following 2 bytes
+ $cch = 1; // The following byte
+ $rgch = 0x02; // Self reference
+ }
+ else {
+ $length = 0x02 + strlen($sheetname);
+ $cch = strlen($sheetname);
+ $rgch = 0x03; // Reference to a sheet in the current workbook
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("CC", $cch, $rgch);
+ $this->_prepend($header.$data.$sheetname);
+ }
+
+ /**
+ * Writes the Excel BIFF PANE record.
+ * The panes can either be frozen or thawed (unfrozen).
+ * Frozen panes are specified in terms of an integer number of rows and columns.
+ * Thawed panes are specified in terms of Excel's units for rows and columns.
+ *
+ * @param array $panes This is the only parameter received and is composed of the following:
+ * 0 => Vertical split position,
+ * 1 => Horizontal split position
+ * 2 => Top row visible
+ * 3 => Leftmost column visible
+ * 4 => Active pane
+ */
+ function _store_panes($panes)
+ {
+ $y = $panes[0];
+ $x = $panes[1];
+ $rwTop = $panes[2];
+ $colLeft = $panes[3];
+ if(count($panes) > 4) { // if Active pane was received
+ $pnnAct = $panes[4];
+ }
+ else {
+ $pnnAct = NULL;
+ }
+ $record = 0x0041; // Record identifier
+ $length = 0x000A; // Number of bytes to follow
+
+ // Code specific to frozen or thawed panes.
+ if ($this->_frozen) {
+ // Set default values for $rwTop and $colLeft
+ if(!isset($rwTop)) {
+ $rwTop = $y;
+ }
+ if(!isset($colLeft)) {
+ $colLeft = $x;
+ }
+ }
+ else {
+ // Set default values for $rwTop and $colLeft
+ if(!isset($rwTop)) {
+ $rwTop = 0;
+ }
+ if(!isset($colLeft)) {
+ $colLeft = 0;
+ }
+
+ // Convert Excel's row and column units to the internal units.
+ // The default row height is 12.75
+ // The default column width is 8.43
+ // The following slope and intersection values were interpolated.
+ //
+ $y = 20*$y + 255;
+ $x = 113.879*$x + 390;
+ }
+
+
+ // Determine which pane should be active. There is also the undocumented
+ // option to override this should it be necessary: may be removed later.
+ //
+ if (!isset($pnnAct))
+ {
+ if ($x != 0 and $y != 0)
+ $pnnAct = 0; // Bottom right
+ if ($x != 0 and $y == 0)
+ $pnnAct = 1; // Top right
+ if ($x == 0 and $y != 0)
+ $pnnAct = 2; // Bottom left
+ if ($x == 0 and $y == 0)
+ $pnnAct = 3; // Top left
+ }
+
+ $this->_active_pane = $pnnAct; // Used in _store_selection
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvv", $x, $y, $rwTop, $colLeft, $pnnAct);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the page setup SETUP BIFF record.
+ */
+ function _store_setup()
+ {
+ $record = 0x00A1; // Record identifier
+ $length = 0x0022; // Number of bytes to follow
+
+ $iPaperSize = $this->_paper_size; // Paper size
+ $iScale = $this->_print_scale; // Print scaling factor
+ $iPageStart = 0x01; // Starting page number
+ $iFitWidth = $this->_fit_width; // Fit to number of pages wide
+ $iFitHeight = $this->_fit_height; // Fit to number of pages high
+ $grbit = 0x00; // Option flags
+ $iRes = 0x0258; // Print resolution
+ $iVRes = 0x0258; // Vertical print resolution
+ $numHdr = $this->_margin_head; // Header Margin
+ $numFtr = $this->_margin_foot; // Footer Margin
+ $iCopies = 0x01; // Number of copies
+
+ $fLeftToRight = 0x0; // Print over then down
+ $fLandscape = $this->_orientation; // Page orientation
+ $fNoPls = 0x0; // Setup not read from printer
+ $fNoColor = 0x0; // Print black and white
+ $fDraft = 0x0; // Print draft quality
+ $fNotes = 0x0; // Print notes
+ $fNoOrient = 0x0; // Orientation not set
+ $fUsePage = 0x0; // Use custom starting page
+
+ $grbit = $fLeftToRight;
+ $grbit |= $fLandscape << 1;
+ $grbit |= $fNoPls << 2;
+ $grbit |= $fNoColor << 3;
+ $grbit |= $fDraft << 4;
+ $grbit |= $fNotes << 5;
+ $grbit |= $fNoOrient << 6;
+ $grbit |= $fUsePage << 7;
+
+ $numHdr = pack("d", $numHdr);
+ $numFtr = pack("d", $numFtr);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $numHdr = strrev($numHdr);
+ $numFtr = strrev($numFtr);
+ }
+
+ $header = pack("vv", $record, $length);
+ $data1 = pack("vvvvvvvv", $iPaperSize,
+ $iScale,
+ $iPageStart,
+ $iFitWidth,
+ $iFitHeight,
+ $grbit,
+ $iRes,
+ $iVRes);
+ $data2 = $numHdr .$numFtr;
+ $data3 = pack("v", $iCopies);
+ $this->_prepend($header.$data1.$data2.$data3);
+ }
+
+ /**
+ * Store the header caption BIFF record.
+ */
+ function store_header()
+ {
+ $record = 0x0014; // Record identifier
+
+ $str = $this->_header; // header string
+ $cch = strlen($str); // Length of header string
+ $length = 1 + $cch; // Bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("C", $cch);
+
+ $this->_append($header.$data.$str);
+ }
+
+ /**
+ * Store the footer caption BIFF record.
+ */
+ function store_footer()
+ {
+ $record = 0x0015; // Record identifier
+
+ $str = $this->_footer; // Footer string
+ $cch = strlen($str); // Length of footer string
+ $length = 1 + $cch; // Bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("C", $cch);
+
+ $this->_append($header.$data.$str);
+ }
+
+ /**
+ * Store the horizontal centering HCENTER BIFF record.
+ */
+ function store_hcenter()
+ {
+ $record = 0x0083; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fHCenter = $this->_hcenter; // Horizontal centering
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fHCenter);
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the vertical centering VCENTER BIFF record.
+ */
+ function store_vcenter()
+ {
+ $record = 0x0084; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fVCenter = $this->_vcenter; // Horizontal centering
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fVCenter);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the LEFTMARGIN BIFF record.
+ */
+ function _store_margin_left()
+ {
+ $record = 0x0026; // Record identifier
+ $length = 0x0008; // Bytes to follow
+
+ $margin = $this->_margin_left; // Margin in inches
+
+ $header = pack("vv", $record, $length);
+ $data = pack("d", $margin);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $data = strrev($data);
+ }
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the RIGHTMARGIN BIFF record.
+ */
+ function _store_margin_right()
+ {
+ $record = 0x0027; // Record identifier
+ $length = 0x0008; // Bytes to follow
+
+ $margin = $this->_margin_right; // Margin in inches
+
+ $header = pack("vv", $record, $length);
+ $data = pack("d", $margin);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $data = strrev($data);
+ }
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the TOPMARGIN BIFF record.
+ */
+ function _store_margin_top()
+ {
+ $record = 0x0028; // Record identifier
+ $length = 0x0008; // Bytes to follow
+
+ $margin = $this->_margin_top; // Margin in inches
+
+ $header = pack("vv", $record, $length);
+ $data = pack("d", $margin);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $data = strrev($data);
+ }
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Store the BOTTOMMARGIN BIFF record.
+ */
+ function _store_margin_bottom()
+ {
+ $record = 0x0029; // Record identifier
+ $length = 0x0008; // Bytes to follow
+
+ $margin = $this->_margin_bottom; // Margin in inches
+
+ $header = pack("vv", $record, $length);
+ $data = pack("d", $margin);
+ if ($this->_byte_order) // if it's Big Endian
+ {
+ $data = strrev($data);
+ }
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * This is an Excel97/2000 method. It is required to perform more complicated
+ * merging than the normal set_align('merge'). It merges the area given by
+ * its arguments.
+ *
+ * @access public
+ * @param integer $first_row First row of the area to merge
+ * @param integer $first_col First column of the area to merge
+ * @param integer $last_row Last row of the area to merge
+ * @param integer $last_col Last column of the area to merge
+ */
+ function merge_cells($first_row, $first_col, $last_row, $last_col)
+ {
+ $record = 0x00E5; // Record identifier
+ $length = 0x000A; // Bytes to follow
+ $cref = 1; // Number of refs
+
+ // Swap last row/col for first row/col as necessary
+ if ($first_row > $last_row) {
+ list($first_row, $last_row) = array($last_row, $first_row);
+ }
+
+ if ($first_col > $last_col) {
+ list($first_col, $last_col) = array($last_col, $first_col);
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvv", $cref, $first_row, $last_row,
+ $first_col, $last_col);
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Write the PRINTHEADERS BIFF record.
+ */
+ function _store_print_headers()
+ {
+ $record = 0x002a; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fPrintRwCol = $this->_print_headers; // Boolean flag
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fPrintRwCol);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write the PRINTGRIDLINES BIFF record. Must be used in conjunction with the
+ * GRIDSET record.
+ */
+ function _store_print_gridlines()
+ {
+ $record = 0x002b; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fPrintGrid = $this->_print_gridlines; // Boolean flag
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fPrintGrid);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write the GRIDSET BIFF record. Must be used in conjunction with the
+ * PRINTGRIDLINES record.
+ */
+ function _store_gridset()
+ {
+ $record = 0x0082; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fGridSet = !($this->_print_gridlines); // Boolean flag
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fGridSet);
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write the WSBOOL BIFF record, mainly for fit-to-page. Used in conjunction
+ * with the SETUP record.
+ */
+ function _store_wsbool()
+ {
+ $record = 0x0081; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ // The only option that is of interest is the flag for fit to page. So we
+ // set all the options in one go.
+ //
+ if ($this->_fit_page) {
+ $grbit = 0x05c1;
+ }
+ else {
+ $grbit = 0x04c1;
+ }
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $grbit);
+ $this->_prepend($header.$data);
+ }
+
+
+ /**
+ * Write the HORIZONTALPAGEBREAKS BIFF record.
+ */
+ function _store_hbreak()
+ {
+ // Return if the user hasn't specified pagebreaks
+ if(empty($this->_hbreaks)) {
+ return;
+ }
+
+ // Sort and filter array of page breaks
+ $breaks = $this->_hbreaks;
+ sort($breaks,SORT_NUMERIC);
+ if($breaks[0] == 0) { // don't use first break if it's 0
+ array_shift($breaks);
+ }
+
+ $record = 0x001b; // Record identifier
+ $cbrk = count($breaks); // Number of page breaks
+ $length = ($cbrk + 1) * 2; // Bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $cbrk);
+
+ // Append each page break
+ foreach($breaks as $break) {
+ $data .= pack("v", $break);
+ }
+
+ $this->_prepend($header.$data);
+ }
+
+
+ /**
+ * Write the VERTICALPAGEBREAKS BIFF record.
+ */
+ function _store_vbreak()
+ {
+ // Return if the user hasn't specified pagebreaks
+ if(empty($this->_vbreaks)) {
+ return;
+ }
+
+ // 1000 vertical pagebreaks appears to be an internal Excel 5 limit.
+ // It is slightly higher in Excel 97/200, approx. 1026
+ $breaks = array_slice($this->_vbreaks,0,1000);
+
+ // Sort and filter array of page breaks
+ sort($breaks,SORT_NUMERIC);
+ if($breaks[0] == 0) { // don't use first break if it's 0
+ array_shift($breaks);
+ }
+
+ $record = 0x001a; // Record identifier
+ $cbrk = count($breaks); // Number of page breaks
+ $length = ($cbrk + 1) * 2; // Bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $cbrk);
+
+ // Append each page break
+ foreach ($breaks as $break) {
+ $data .= pack("v", $break);
+ }
+
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Set the Biff PROTECT record to indicate that the worksheet is protected.
+ */
+ function _store_protect()
+ {
+ // Exit unless sheet protection has been specified
+ if($this->_protect == 0) {
+ return;
+ }
+
+ $record = 0x0012; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $fLock = $this->_protect; // Worksheet is protected
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $fLock);
+
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Write the worksheet PASSWORD record.
+ */
+ function _store_password()
+ {
+ // Exit unless sheet protection and password have been specified
+ if(($this->_protect == 0) or (!isset($this->_password))) {
+ return;
+ }
+
+ $record = 0x0013; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $wPassword = $this->_password; // Encoded password
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $wPassword);
+
+ $this->_prepend($header.$data);
+ }
+
+ /**
+ * Insert a 24bit bitmap image in a worksheet. The main record required is
+ * IMDATA but it must be proceeded by a OBJ record to define its position.
+ *
+ * @access public
+ * @param integer $row The row we are going to insert the bitmap into
+ * @param integer $col The column we are going to insert the bitmap into
+ * @param string $bitmap The bitmap filename
+ * @param integer $x The horizontal position (offset) of the image inside the cell.
+ * @param integer $y The vertical position (offset) of the image inside the cell.
+ * @param integer $scale_x The horizontal scale
+ * @param integer $scale_y The vertical scale
+ */
+ function insert_bitmap($row, $col, $bitmap, $x = 0, $y = 0, $scale_x = 1, $scale_y = 1)
+ {
+ list($width, $height, $size, $data) = $this->_process_bitmap($bitmap);
+
+ // Scale the frame of the image.
+ $width *= $scale_x;
+ $height *= $scale_y;
+
+ // Calculate the vertices of the image and write the OBJ record
+ $this->_position_image($col, $row, $x, $y, $width, $height);
+
+ // Write the IMDATA record to store the bitmap data
+ $record = 0x007f;
+ $length = 8 + $size;
+ $cf = 0x09;
+ $env = 0x01;
+ $lcb = $size;
+
+ $header = pack("vvvvV", $record, $length, $cf, $env, $lcb);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Calculate the vertices that define the position of the image as required by
+ * the OBJ record.
+ *
+ * +------------+------------+
+ * | A | B |
+ * +-----+------------+------------+
+ * | |(x1,y1) | |
+ * | 1 |(A1)._______|______ |
+ * | | | | |
+ * | | | | |
+ * +-----+----| BITMAP |-----+
+ * | | | | |
+ * | 2 | |______________. |
+ * | | | (B2)|
+ * | | | (x2,y2)|
+ * +---- +------------+------------+
+ *
+ * Example of a bitmap that covers some of the area from cell A1 to cell B2.
+ *
+ * Based on the width and height of the bitmap we need to calculate 8 vars:
+ * $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2.
+ * The width and height of the cells are also variable and have to be taken into
+ * account.
+ * The values of $col_start and $row_start are passed in from the calling
+ * function. The values of $col_end and $row_end are calculated by subtracting
+ * the width and height of the bitmap from the width and height of the
+ * underlying cells.
+ * The vertices are expressed as a percentage of the underlying cell width as
+ * follows (rhs values are in pixels):
+ *
+ * x1 = X / W *1024
+ * y1 = Y / H *256
+ * x2 = (X-1) / W *1024
+ * y2 = (Y-1) / H *256
+ *
+ * Where: X is distance from the left side of the underlying cell
+ * Y is distance from the top of the underlying cell
+ * W is the width of the cell
+ * H is the height of the cell
+ *
+ * @note the SDK incorrectly states that the height should be expressed as a
+ * percentage of 1024.
+ * @param integer $col_start Col containing upper left corner of object
+ * @param integer $row_start Row containing top left corner of object
+ * @param integer $x1 Distance to left side of object
+ * @param integer $y1 Distance to top of object
+ * @param integer $width Width of image frame
+ * @param integer $height Height of image frame
+ */
+ function _position_image($col_start, $row_start, $x1, $y1, $width, $height)
+ {
+ // Initialise end cell to the same as the start cell
+ $col_end = $col_start; // Col containing lower right corner of object
+ $row_end = $row_start; // Row containing bottom right corner of object
+
+ // Zero the specified offset if greater than the cell dimensions
+ if ($x1 >= $this->size_col($col_start))
+ {
+ $x1 = 0;
+ }
+ if ($y1 >= $this->size_row($row_start))
+ {
+ $y1 = 0;
+ }
+
+ $width = $width + $x1 -1;
+ $height = $height + $y1 -1;
+
+ // Subtract the underlying cell widths to find the end cell of the image
+ while ($width >= $this->size_col($col_end)) {
+ $width -= $this->size_col($col_end);
+ $col_end++;
+ }
+
+ // Subtract the underlying cell heights to find the end cell of the image
+ while ($height >= $this->size_row($row_end)) {
+ $height -= $this->size_row($row_end);
+ $row_end++;
+ }
+
+ // Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell
+ // with zero eight or width.
+ //
+ if ($this->size_col($col_start) == 0)
+ return;
+ if ($this->size_col($col_end) == 0)
+ return;
+ if ($this->size_row($row_start) == 0)
+ return;
+ if ($this->size_row($row_end) == 0)
+ return;
+
+ // Convert the pixel values to the percentage value expected by Excel
+ $x1 = $x1 / $this->size_col($col_start) * 1024;
+ $y1 = $y1 / $this->size_row($row_start) * 256;
+ $x2 = $width / $this->size_col($col_end) * 1024; // Distance to right side of object
+ $y2 = $height / $this->size_row($row_end) * 256; // Distance to bottom of object
+
+ $this->_store_obj_picture( $col_start, $x1,
+ $row_start, $y1,
+ $col_end, $x2,
+ $row_end, $y2
+ );
+ }
+
+ /**
+ * Convert the width of a cell from user's units to pixels. By interpolation
+ * the relationship is: y = 7x +5. If the width hasn't been set by the user we
+ * use the default value. If the col is hidden we use a value of zero.
+ *
+ * @param integer $col The column
+ * @return integer The width in pixels
+ */
+ function size_col($col)
+ {
+ // Look up the cell value to see if it has been changed
+ if (isset($this->col_sizes[$col])) {
+ if ($this->col_sizes[$col] == 0) {
+ return(0);
+ }
+ else {
+ return(floor(7 * $this->col_sizes[$col] + 5));
+ }
+ }
+ else {
+ return(64);
+ }
+ }
+
+ /**
+ * Convert the height of a cell from user's units to pixels. By interpolation
+ * the relationship is: y = 4/3x. If the height hasn't been set by the user we
+ * use the default value. If the row is hidden we use a value of zero. (Not
+ * possible to hide row yet).
+ *
+ * @param integer $row The row
+ * @return integer The width in pixels
+ */
+ function size_row($row)
+ {
+ // Look up the cell value to see if it has been changed
+ if (isset($this->row_sizes[$row])) {
+ if ($this->row_sizes[$row] == 0) {
+ return(0);
+ }
+ else {
+ return(floor(4/3 * $this->row_sizes[$row]));
+ }
+ }
+ else {
+ return(17);
+ }
+ }
+
+ /**
+ * Store the OBJ record that precedes an IMDATA record. This could be generalise
+ * to support other Excel objects.
+ *
+ * @param integer $colL Column containing upper left corner of object
+ * @param integer $dxL Distance from left side of cell
+ * @param integer $rwT Row containing top left corner of object
+ * @param integer $dyT Distance from top of cell
+ * @param integer $colR Column containing lower right corner of object
+ * @param integer $dxR Distance from right of cell
+ * @param integer $rwB Row containing bottom right corner of object
+ * @param integer $dyB Distance from bottom of cell
+ */
+ function _store_obj_picture($colL,$dxL,$rwT,$dyT,$colR,$dxR,$rwB,$dyB)
+ {
+ $record = 0x005d; // Record identifier
+ $length = 0x003c; // Bytes to follow
+
+ $cObj = 0x0001; // Count of objects in file (set to 1)
+ $OT = 0x0008; // Object type. 8 = Picture
+ $id = 0x0001; // Object ID
+ $grbit = 0x0614; // Option flags
+
+ $cbMacro = 0x0000; // Length of FMLA structure
+ $Reserved1 = 0x0000; // Reserved
+ $Reserved2 = 0x0000; // Reserved
+
+ $icvBack = 0x09; // Background colour
+ $icvFore = 0x09; // Foreground colour
+ $fls = 0x00; // Fill pattern
+ $fAuto = 0x00; // Automatic fill
+ $icv = 0x08; // Line colour
+ $lns = 0xff; // Line style
+ $lnw = 0x01; // Line weight
+ $fAutoB = 0x00; // Automatic border
+ $frs = 0x0000; // Frame style
+ $cf = 0x0009; // Image format, 9 = bitmap
+ $Reserved3 = 0x0000; // Reserved
+ $cbPictFmla = 0x0000; // Length of FMLA structure
+ $Reserved4 = 0x0000; // Reserved
+ $grbit2 = 0x0001; // Option flags
+ $Reserved5 = 0x0000; // Reserved
+
+
+ $header = pack("vv", $record, $length);
+ $data = pack("V", $cObj);
+ $data .= pack("v", $OT);
+ $data .= pack("v", $id);
+ $data .= pack("v", $grbit);
+ $data .= pack("v", $colL);
+ $data .= pack("v", $dxL);
+ $data .= pack("v", $rwT);
+ $data .= pack("v", $dyT);
+ $data .= pack("v", $colR);
+ $data .= pack("v", $dxR);
+ $data .= pack("v", $rwB);
+ $data .= pack("v", $dyB);
+ $data .= pack("v", $cbMacro);
+ $data .= pack("V", $Reserved1);
+ $data .= pack("v", $Reserved2);
+ $data .= pack("C", $icvBack);
+ $data .= pack("C", $icvFore);
+ $data .= pack("C", $fls);
+ $data .= pack("C", $fAuto);
+ $data .= pack("C", $icv);
+ $data .= pack("C", $lns);
+ $data .= pack("C", $lnw);
+ $data .= pack("C", $fAutoB);
+ $data .= pack("v", $frs);
+ $data .= pack("V", $cf);
+ $data .= pack("v", $Reserved3);
+ $data .= pack("v", $cbPictFmla);
+ $data .= pack("v", $Reserved4);
+ $data .= pack("v", $grbit2);
+ $data .= pack("V", $Reserved5);
+
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Convert a 24 bit bitmap into the modified internal format used by Windows.
+ * This is described in BITMAPCOREHEADER and BITMAPCOREINFO structures in the
+ * MSDN library.
+ *
+ * @param string $bitmap The bitmap to process
+ * @return array Array with data and properties of the bitmap
+ */
+ function _process_bitmap($bitmap)
+ {
+ // Open file.
+ $bmp_fd = fopen($bitmap,"rb");
+ if (!$bmp_fd) {
+ die("Couldn't import $bitmap");
+ }
+
+ // Slurp the file into a string.
+ $data = fread($bmp_fd, filesize($bitmap));
+
+ // Check that the file is big enough to be a bitmap.
+ if (strlen($data) <= 0x36) {
+ die("$bitmap doesn't contain enough data.\n");
+ }
+
+ // The first 2 bytes are used to identify the bitmap.
+ $identity = unpack("A2", $data);
+ if ($identity[''] != "BM") {
+ die("$bitmap doesn't appear to be a valid bitmap image.\n");
+ }
+
+ // Remove bitmap data: ID.
+ $data = substr($data, 2);
+
+ // Read and remove the bitmap size. This is more reliable than reading
+ // the data size at offset 0x22.
+ //
+ $size_array = unpack("V", substr($data, 0, 4));
+ $size = $size_array[''];
+ $data = substr($data, 4);
+ $size -= 0x36; // Subtract size of bitmap header.
+ $size += 0x0C; // Add size of BIFF header.
+
+ // Remove bitmap data: reserved, offset, header length.
+ $data = substr($data, 12);
+
+ // Read and remove the bitmap width and height. Verify the sizes.
+ $width_and_height = unpack("V2", substr($data, 0, 8));
+ $width = $width_and_height[1];
+ $height = $width_and_height[2];
+ $data = substr($data, 8);
+ if ($width > 0xFFFF) {
+ die("$bitmap: largest image width supported is 65k.\n");
+ }
+ if ($height > 0xFFFF) {
+ die("$bitmap: largest image height supported is 65k.\n");
+ }
+
+ // Read and remove the bitmap planes and bpp data. Verify them.
+ $planes_and_bitcount = unpack("v2", substr($data, 0, 4));
+ $data = substr($data, 4);
+ if ($planes_and_bitcount[2] != 24) { // Bitcount
+ die("$bitmap isn't a 24bit true color bitmap.\n");
+ }
+ if ($planes_and_bitcount[1] != 1) {
+ die("$bitmap: only 1 plane supported in bitmap image.\n");
+ }
+
+ // Read and remove the bitmap compression. Verify compression.
+ $compression = unpack("V", substr($data, 0, 4));
+ $data = substr($data, 4);
+
+ //$compression = 0;
+ if ($compression[""] != 0) {
+ die("$bitmap: compression not supported in bitmap image.\n");
+ }
+
+ // Remove bitmap data: data size, hres, vres, colours, imp. colours.
+ $data = substr($data, 20);
+
+ // Add the BITMAPCOREHEADER data
+ $header = pack("Vvvvv", 0x000c, $width, $height, 0x01, 0x18);
+ $data = $header . $data;
+
+ return (array($width, $height, $size, $data));
+ }
+
+ /**
+ * Store the window zoom factor. This should be a reduced fraction but for
+ * simplicity we will store all fractions with a numerator of 100.
+ */
+ function _store_zoom()
+ {
+ // If scale is 100 we don't need to write a record
+ if ($this->_zoom == 100) {
+ return;
+ }
+
+ $record = 0x00A0; // Record identifier
+ $length = 0x0004; // Bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vv", $this->_zoom, 100);
+ $this->_append($header.$data);
+ }
+}
+
+/**
+* Class for generating Excel Spreadsheets
+*
+* @author Xavier Noguer <xnoguer@rezebra.com>
+* @package Spreadsheet_WriteExcel
+*/
+
+class Workbook extends BIFFwriter
+{
+ /**
+ * Class constructor
+ *
+ * @param string filename for storing the workbook. "-" for writing to stdout.
+ */
+ function Workbook($filename)
+ {
+ $this->BIFFwriter(); // It needs to call its parent's constructor explicitly
+
+ $this->_filename = $filename;
+ $this->parser = new Parser($this->_byte_order);
+ $this->_1904 = 0;
+ $this->activesheet = 0;
+ $this->firstsheet = 0;
+ $this->selected = 0;
+ $this->xf_index = 16; // 15 style XF's and 1 cell XF.
+ $this->_fileclosed = 0;
+ $this->_biffsize = 0;
+ $this->sheetname = "Sheet";
+ $this->tmp_format = new Format();
+ $this->worksheets = array();
+ $this->sheetnames = array();
+ $this->formats = array();
+ $this->palette = array();
+
+ // Add the default format for hyperlinks
+ $this->url_format =& $this->add_format(array('color' => 'blue', 'underline' => 1));
+
+ // Check for a filename
+ //if ($this->_filename == '') {
+ // die('Filename required by Spreadsheet::WriteExcel->new()');
+ //}
+
+ # Warn if tmpfiles can't be used.
+ //$this->tmpfile_warning();
+ $this->_set_palette_xl97();
+ }
+
+ /**
+ * Calls finalization methods and explicitly close the OLEwriter file
+ * handle.
+ */
+ function close()
+ {
+ if ($this->_fileclosed) { // Prevent close() from being called twice.
+ return;
+ }
+ $this->store_workbook();
+ $this->_fileclosed = 1;
+ }
+
+
+ /**
+ * An accessor for the _worksheets[] array
+ * Returns an array of the worksheet objects in a workbook
+ *
+ * @return array
+ */
+ function sheets()
+ {
+ return($this->worksheets());
+ }
+
+ /**
+ * An accessor for the _worksheets[] array.
+ *
+ * @return array
+ */
+ function worksheets()
+ {
+ return($this->worksheets);
+ }
+
+ /**
+ * Add a new worksheet to the Excel workbook.
+ * TODO: Add accessor for $this->{_sheetname} for international Excel versions.
+ *
+ * @access public
+ * @param string $name the optional name of the worksheet
+ * @return &object reference to a worksheet object
+ */
+ function &add_worksheet($name = '')
+ {
+ $index = count($this->worksheets);
+ $sheetname = $this->sheetname;
+
+ if($name == '') {
+ $name = $sheetname.($index+1);
+ }
+
+ // Check that sheetname is <= 31 chars (Excel limit).
+ if(strlen($name) > 31) {
+ die("Sheetname $name must be <= 31 chars");
+ }
+
+ // Check that the worksheet name doesn't already exist: a fatal Excel error.
+ for($i=0; $i < count($this->worksheets); $i++)
+ {
+ if($name == $this->worksheets[$i]->get_name()) {
+ die("Worksheet '$name' already exists");
+ }
+ }
+
+ $worksheet = new Worksheet($name,$index,$this->activesheet,
+ $this->firstsheet,$this->url_format,
+ $this->parser);
+ $this->worksheets[$index] = &$worksheet; // Store ref for iterator
+ $this->sheetnames[$index] = $name; // Store EXTERNSHEET names
+ //$this->parser->set_ext_sheet($name,$index); // Store names in Formula.php
+ return($worksheet);
+ }
+
+ /**
+ * DEPRECATED!! Use add_worksheet instead
+ *
+ * @access public
+ * @deprecated Use add_worksheet instead
+ * @param string $name the optional name of the worksheet
+ * @return &object reference to a worksheet object
+ */
+ function &addworksheet($name = '')
+ {
+ return($this->add_worksheet($name));
+ }
+
+ /**
+ * Add a new format to the Excel workbook. This adds an XF record and
+ * a FONT record. Also, pass any properties to the Format constructor.
+ *
+ * @access public
+ * @param array $properties array with properties for initializing the format (see Format.php)
+ * @return &object reference to an XF format
+ */
+ function &add_format($properties = array())
+ {
+ $format = new Format($this->xf_index,$properties);
+ $this->xf_index += 1;
+ $this->formats[] = &$format;
+ return($format);
+ }
+
+ /**
+ * DEPRECATED!! Use add_format instead
+ *
+ * @access public
+ * @deprecated Use add_format instead
+ * @param array $properties array with properties for initializing the format (see Format.php)
+ * @return &object reference to an XF format
+ */
+ function &addformat($properties = array())
+ {
+ return($this->add_format($properties));
+ }
+
+
+ /**
+ * Change the RGB components of the elements in the colour palette.
+ *
+ * @access public
+ * @param integer $index colour index
+ * @param integer $red red RGB value [0-255]
+ * @param integer $green green RGB value [0-255]
+ * @param integer $blue blue RGB value [0-255]
+ * @return integer The palette index for the custom color
+ */
+ function set_custom_color($index,$red,$green,$blue)
+ {
+ // Match a HTML #xxyyzz style parameter
+ /*if (defined $_[1] and $_[1] =~ /^#(\w\w)(\w\w)(\w\w)/ ) {
+ @_ = ($_[0], hex $1, hex $2, hex $3);
+ }*/
+
+ // Check that the colour index is the right range
+ if ($index < 8 or $index > 64) {
+ die("Color index $index outside range: 8 <= index <= 64");
+ }
+
+ // Check that the colour components are in the right range
+ if ( ($red < 0 or $red > 255) ||
+ ($green < 0 or $green > 255) ||
+ ($blue < 0 or $blue > 255) )
+ {
+ die("Color component outside range: 0 <= color <= 255");
+ }
+
+ $index -= 8; // Adjust colour index (wingless dragonfly)
+
+ // Set the RGB value
+ $this->palette[$index] = array($red, $green, $blue, 0);
+ return($index + 8);
+ }
+
+ /**
+ * Sets the colour palette to the Excel 97+ default.
+ */
+ function _set_palette_xl97()
+ {
+ $this->palette = array(
+ array(0x00, 0x00, 0x00, 0x00), // 8
+ array(0xff, 0xff, 0xff, 0x00), // 9
+ array(0xff, 0x00, 0x00, 0x00), // 10
+ array(0x00, 0xff, 0x00, 0x00), // 11
+ array(0x00, 0x00, 0xff, 0x00), // 12
+ array(0xff, 0xff, 0x00, 0x00), // 13
+ array(0xff, 0x00, 0xff, 0x00), // 14
+ array(0x00, 0xff, 0xff, 0x00), // 15
+ array(0x80, 0x00, 0x00, 0x00), // 16
+ array(0x00, 0x80, 0x00, 0x00), // 17
+ array(0x00, 0x00, 0x80, 0x00), // 18
+ array(0x80, 0x80, 0x00, 0x00), // 19
+ array(0x80, 0x00, 0x80, 0x00), // 20
+ array(0x00, 0x80, 0x80, 0x00), // 21
+ array(0xc0, 0xc0, 0xc0, 0x00), // 22
+ array(0x80, 0x80, 0x80, 0x00), // 23
+ array(0x99, 0x99, 0xff, 0x00), // 24
+ array(0x99, 0x33, 0x66, 0x00), // 25
+ array(0xff, 0xff, 0xcc, 0x00), // 26
+ array(0xcc, 0xff, 0xff, 0x00), // 27
+ array(0x66, 0x00, 0x66, 0x00), // 28
+ array(0xff, 0x80, 0x80, 0x00), // 29
+ array(0x00, 0x66, 0xcc, 0x00), // 30
+ array(0xcc, 0xcc, 0xff, 0x00), // 31
+ array(0x00, 0x00, 0x80, 0x00), // 32
+ array(0xff, 0x00, 0xff, 0x00), // 33
+ array(0xff, 0xff, 0x00, 0x00), // 34
+ array(0x00, 0xff, 0xff, 0x00), // 35
+ array(0x80, 0x00, 0x80, 0x00), // 36
+ array(0x80, 0x00, 0x00, 0x00), // 37
+ array(0x00, 0x80, 0x80, 0x00), // 38
+ array(0x00, 0x00, 0xff, 0x00), // 39
+ array(0x00, 0xcc, 0xff, 0x00), // 40
+ array(0xcc, 0xff, 0xff, 0x00), // 41
+ array(0xcc, 0xff, 0xcc, 0x00), // 42
+ array(0xff, 0xff, 0x99, 0x00), // 43
+ array(0x99, 0xcc, 0xff, 0x00), // 44
+ array(0xff, 0x99, 0xcc, 0x00), // 45
+ array(0xcc, 0x99, 0xff, 0x00), // 46
+ array(0xff, 0xcc, 0x99, 0x00), // 47
+ array(0x33, 0x66, 0xff, 0x00), // 48
+ array(0x33, 0xcc, 0xcc, 0x00), // 49
+ array(0x99, 0xcc, 0x00, 0x00), // 50
+ array(0xff, 0xcc, 0x00, 0x00), // 51
+ array(0xff, 0x99, 0x00, 0x00), // 52
+ array(0xff, 0x66, 0x00, 0x00), // 53
+ array(0x66, 0x66, 0x99, 0x00), // 54
+ array(0x96, 0x96, 0x96, 0x00), // 55
+ array(0x00, 0x33, 0x66, 0x00), // 56
+ array(0x33, 0x99, 0x66, 0x00), // 57
+ array(0x00, 0x33, 0x00, 0x00), // 58
+ array(0x33, 0x33, 0x00, 0x00), // 59
+ array(0x99, 0x33, 0x00, 0x00), // 60
+ array(0x99, 0x33, 0x66, 0x00), // 61
+ array(0x33, 0x33, 0x99, 0x00), // 62
+ array(0x33, 0x33, 0x33, 0x00), // 63
+ );
+ }
+
+
+ ###############################################################################
+ #
+ # _tmpfile_warning()
+ #
+ # Check that tmp files can be created for use in Worksheet.pm. A CGI, mod_perl
+ # or IIS might not have permission to create tmp files. The test is here rather
+ # than in Worksheet.pm so that only one warning is given.
+ #
+ /*sub _tmpfile_warning {
+
+ my $fh = IO::File->new_tmpfile();
+
+ if ((not defined $fh) && ($^W)) {
+ carp("Unable to create tmp files via IO::File->new_tmpfile(). " .
+ "Storing data in memory")
+ }
+ }*/
+
+ /**
+ * Assemble worksheets into a workbook and send the BIFF data to an OLE
+ * storage.
+ */
+ function store_workbook()
+ {
+ // Ensure that at least one worksheet has been selected.
+ if ($this->activesheet == 0) {
+ $this->worksheets[0]->selected = 1;
+ }
+
+ // Calculate the number of selected worksheet tabs and call the finalization
+ // methods for each worksheet
+ for($i=0; $i < count($this->worksheets); $i++)
+ {
+ if($this->worksheets[$i]->selected)
+ $this->selected++;
+ $this->worksheets[$i]->close($this->sheetnames);
+ }
+
+ // Add Workbook globals
+ $this->_store_bof(0x0005);
+ $this->_store_externs(); // For print area and repeat rows
+ $this->_store_names(); // For print area and repeat rows
+ $this->_store_window1();
+ $this->_store_1904();
+ $this->_store_all_fonts();
+ $this->_store_all_num_formats();
+ $this->_store_all_xfs();
+ $this->_store_all_styles();
+ $this->_store_palette();
+ $this->_calc_sheet_offsets();
+
+ // Add BOUNDSHEET records
+ for($i=0; $i < count($this->worksheets); $i++) {
+ $this->_store_boundsheet($this->worksheets[$i]->name,$this->worksheets[$i]->offset);
+ }
+
+ // End Workbook globals
+ $this->_store_eof();
+
+ // Store the workbook in an OLE container
+ $this->_store_OLE_file();
+ }
+
+ /**
+ * Store the workbook in an OLE container if the total size of the workbook data
+ * is less than ~ 7MB.
+ */
+ function _store_OLE_file()
+ {
+ $OLE = new OLEwriter($this->_filename);
+ // Write Worksheet data if data <~ 7MB
+ if ($OLE->set_size($this->_biffsize))
+ {
+ $OLE->write_header();
+ $OLE->write($this->_data);
+ foreach($this->worksheets as $sheet)
+ {
+ while ($tmp = $sheet->get_data()) {
+ $OLE->write($tmp);
+ }
+ }
+ }
+ $OLE->close();
+ }
+
+ /**
+ * Calculate offsets for Worksheet BOF records.
+ */
+ function _calc_sheet_offsets()
+ {
+ $BOF = 11;
+ $EOF = 4;
+ $offset = $this->_datasize;
+ for($i=0; $i < count($this->worksheets); $i++) {
+ $offset += $BOF + strlen($this->worksheets[$i]->name);
+ }
+ $offset += $EOF;
+ for($i=0; $i < count($this->worksheets); $i++) {
+ $this->worksheets[$i]->offset = $offset;
+ $offset += $this->worksheets[$i]->_datasize;
+ }
+ $this->_biffsize = $offset;
+ }
+
+ /**
+ * Store the Excel FONT records.
+ */
+ function _store_all_fonts()
+ {
+ // tmp_format is added by new(). We use this to write the default XF's
+ $format = $this->tmp_format;
+ $font = $format->get_font();
+
+ // Note: Fonts are 0-indexed. According to the SDK there is no index 4,
+ // so the following fonts are 0, 1, 2, 3, 5
+ //
+ for($i=1; $i <= 5; $i++){
+ $this->_append($font);
+ }
+
+ // Iterate through the XF objects and write a FONT record if it isn't the
+ // same as the default FONT and if it hasn't already been used.
+ //
+ $fonts = array();
+ $index = 6; // The first user defined FONT
+
+ $key = $format->get_font_key(); // The default font from _tmp_format
+ $fonts[$key] = 0; // Index of the default font
+
+ for($i=0; $i < count($this->formats); $i++) {
+ $key = $this->formats[$i]->get_font_key();
+ if (isset($fonts[$key])) {
+ // FONT has already been used
+ $this->formats[$i]->font_index = $fonts[$key];
+ }
+ else {
+ // Add a new FONT record
+ $fonts[$key] = $index;
+ $this->formats[$i]->font_index = $index;
+ $index++;
+ $font = $this->formats[$i]->get_font();
+ $this->_append($font);
+ }
+ }
+ }
+
+ /**
+ * Store user defined numerical formats i.e. FORMAT records
+ */
+ function _store_all_num_formats()
+ {
+ // Leaning num_format syndrome
+ $hash_num_formats = array();
+ $num_formats = array();
+ $index = 164;
+
+ // Iterate through the XF objects and write a FORMAT record if it isn't a
+ // built-in format type and if the FORMAT string hasn't already been used.
+ //
+ for($i=0; $i < count($this->formats); $i++)
+ {
+ $num_format = $this->formats[$i]->_num_format;
+
+ // Check if $num_format is an index to a built-in format.
+ // Also check for a string of zeros, which is a valid format string
+ // but would evaluate to zero.
+ //
+ if (!preg_match("/^0+\d/",$num_format))
+ {
+ if (preg_match("/^\d+$/",$num_format)) { // built-in format
+ continue;
+ }
+ }
+
+ if (isset($hash_num_formats[$num_format])) {
+ // FORMAT has already been used
+ $this->formats[$i]->_num_format = $hash_num_formats[$num_format];
+ }
+ else
+ {
+ // Add a new FORMAT
+ $hash_num_formats[$num_format] = $index;
+ $this->formats[$i]->_num_format = $index;
+ array_push($num_formats,$num_format);
+ $index++;
+ }
+ }
+
+ // Write the new FORMAT records starting from 0xA4
+ $index = 164;
+ foreach ($num_formats as $num_format)
+ {
+ $this->_store_num_format($num_format,$index);
+ $index++;
+ }
+ }
+
+ /**
+ * Write all XF records.
+ */
+ function _store_all_xfs()
+ {
+ // tmp_format is added by the constructor. We use this to write the default XF's
+ // The default font index is 0
+ //
+ $format = $this->tmp_format;
+ for ($i=0; $i <= 14; $i++)
+ {
+ $xf = $format->get_xf('style'); // Style XF
+ $this->_append($xf);
+ }
+
+ $xf = $format->get_xf('cell'); // Cell XF
+ $this->_append($xf);
+
+ // User defined XFs
+ for($i=0; $i < count($this->formats); $i++)
+ {
+ $xf = $this->formats[$i]->get_xf('cell');
+ $this->_append($xf);
+ }
+ }
+
+ /**
+ * Write all STYLE records.
+ */
+ function _store_all_styles()
+ {
+ $this->_store_style();
+ }
+
+ /**
+ * Write the EXTERNCOUNT and EXTERNSHEET records. These are used as indexes for
+ * the NAME records.
+ */
+ function _store_externs()
+ {
+ // Create EXTERNCOUNT with number of worksheets
+ $this->_store_externcount(count($this->worksheets));
+
+ // Create EXTERNSHEET for each worksheet
+ foreach ($this->sheetnames as $sheetname) {
+ $this->_store_externsheet($sheetname);
+ }
+ }
+
+ /**
+ * Write the NAME record to define the print area and the repeat rows and cols.
+ */
+ function _store_names()
+ {
+ // Create the print area NAME records
+ foreach ($this->worksheets as $worksheet)
+ {
+ // Write a Name record if the print area has been defined
+ if (isset($worksheet->_print_rowmin))
+ {
+ $this->store_name_short(
+ $worksheet->index,
+ 0x06, // NAME type
+ $worksheet->_print_rowmin,
+ $worksheet->_print_rowmax,
+ $worksheet->_print_colmin,
+ $worksheet->_print_colmax
+ );
+ }
+ }
+
+ // Create the print title NAME records
+ foreach ($this->worksheets as $worksheet)
+ {
+ $rowmin = $worksheet->_title_rowmin;
+ $rowmax = $worksheet->_title_rowmax;
+ $colmin = $worksheet->_title_colmin;
+ $colmax = $worksheet->_title_colmax;
+
+ // Determine if row + col, row, col or nothing has been defined
+ // and write the appropriate record
+ //
+ if (isset($rowmin) && isset($colmin))
+ {
+ // Row and column titles have been defined.
+ // Row title has been defined.
+ $this->store_name_long(
+ $worksheet->index,
+ 0x07, // NAME type
+ $rowmin,
+ $rowmax,
+ $colmin,
+ $colmax
+ );
+ }
+ elseif (isset($rowmin))
+ {
+ // Row title has been defined.
+ $this->store_name_short(
+ $worksheet->index,
+ 0x07, // NAME type
+ $rowmin,
+ $rowmax,
+ 0x00,
+ 0xff
+ );
+ }
+ elseif (isset($colmin))
+ {
+ // Column title has been defined.
+ $this->store_name_short(
+ $worksheet->index,
+ 0x07, // NAME type
+ 0x0000,
+ 0x3fff,
+ $colmin,
+ $colmax
+ );
+ }
+ else {
+ // Print title hasn't been defined.
+ }
+ }
+ }
+
+
+
+
+ /******************************************************************************
+ *
+ * BIFF RECORDS
+ *
+ */
+
+ /**
+ * Write Excel BIFF WINDOW1 record.
+ */
+ function _store_window1()
+ {
+ $record = 0x003D; // Record identifier
+ $length = 0x0012; // Number of bytes to follow
+
+ $xWn = 0x0000; // Horizontal position of window
+ $yWn = 0x0000; // Vertical position of window
+ $dxWn = 0x25BC; // Width of window
+ $dyWn = 0x1572; // Height of window
+
+ $grbit = 0x0038; // Option flags
+ $ctabsel = $this->selected; // Number of workbook tabs selected
+ $wTabRatio = 0x0258; // Tab to scrollbar ratio
+
+ $itabFirst = $this->firstsheet; // 1st displayed worksheet
+ $itabCur = $this->activesheet; // Active worksheet
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vvvvvvvvv", $xWn, $yWn, $dxWn, $dyWn,
+ $grbit,
+ $itabCur, $itabFirst,
+ $ctabsel, $wTabRatio);
+ $this->_append($header.$data);
+ }
+
+ /**
+ * Writes Excel BIFF BOUNDSHEET record.
+ *
+ * @param string $sheetname Worksheet name
+ * @param integer $offset Location of worksheet BOF
+ */
+ function _store_boundsheet($sheetname,$offset)
+ {
+ $record = 0x0085; // Record identifier
+ $length = 0x07 + strlen($sheetname); // Number of bytes to follow
+
+ $grbit = 0x0000; // Sheet identifier
+ $cch = strlen($sheetname); // Length of sheet name
+
+ $header = pack("vv", $record, $length);
+ $data = pack("VvC", $offset, $grbit, $cch);
+ $this->_append($header.$data.$sheetname);
+ }
+
+ /**
+ * Write Excel BIFF STYLE records.
+ */
+ function _store_style()
+ {
+ $record = 0x0293; // Record identifier
+ $length = 0x0004; // Bytes to follow
+
+ $ixfe = 0x8000; // Index to style XF
+ $BuiltIn = 0x00; // Built-in style
+ $iLevel = 0xff; // Outline style level
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vCC", $ixfe, $BuiltIn, $iLevel);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Writes Excel FORMAT record for non "built-in" numerical formats.
+ *
+ * @param string $format Custom format string
+ * @param integer $ifmt Format index code
+ */
+ function _store_num_format($format,$ifmt)
+ {
+ $record = 0x041E; // Record identifier
+ $length = 0x03 + strlen($format); // Number of bytes to follow
+
+ $cch = strlen($format); // Length of format string
+
+ $header = pack("vv", $record, $length);
+ $data = pack("vC", $ifmt, $cch);
+ $this->_append($header.$data.$format);
+ }
+
+ /**
+ * Write Excel 1904 record to indicate the date system in use.
+ */
+ function _store_1904()
+ {
+ $record = 0x0022; // Record identifier
+ $length = 0x0002; // Bytes to follow
+
+ $f1904 = $this->_1904; // Flag for 1904 date system
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $f1904);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Write BIFF record EXTERNCOUNT to indicate the number of external sheet
+ * references in the workbook.
+ *
+ * Excel only stores references to external sheets that are used in NAME.
+ * The workbook NAME record is required to define the print area and the repeat
+ * rows and columns.
+ *
+ * A similar method is used in Worksheet.php for a slightly different purpose.
+ *
+ * @param integer $cxals Number of external references
+ */
+ function _store_externcount($cxals)
+ {
+ $record = 0x0016; // Record identifier
+ $length = 0x0002; // Number of bytes to follow
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $cxals);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Writes the Excel BIFF EXTERNSHEET record. These references are used by
+ * formulas. NAME record is required to define the print area and the repeat
+ * rows and columns.
+ *
+ * A similar method is used in Worksheet.php for a slightly different purpose.
+ *
+ * @param string $sheetname Worksheet name
+ */
+ function _store_externsheet($sheetname)
+ {
+ $record = 0x0017; // Record identifier
+ $length = 0x02 + strlen($sheetname); // Number of bytes to follow
+
+ $cch = strlen($sheetname); // Length of sheet name
+ $rgch = 0x03; // Filename encoding
+
+ $header = pack("vv", $record, $length);
+ $data = pack("CC", $cch, $rgch);
+ $this->_append($header.$data.$sheetname);
+ }
+
+
+ /**
+ * Store the NAME record in the short format that is used for storing the print
+ * area, repeat rows only and repeat columns only.
+ *
+ * @param integer $index Sheet index
+ * @param integer $type Built-in name type
+ * @param integer $rowmin Start row
+ * @param integer $rowmax End row
+ * @param integer $colmin Start colum
+ * @param integer $colmax End column
+ */
+ function store_name_short($index,$type,$rowmin,$rowmax,$colmin,$colmax)
+ {
+ $record = 0x0018; // Record identifier
+ $length = 0x0024; // Number of bytes to follow
+
+ $grbit = 0x0020; // Option flags
+ $chKey = 0x00; // Keyboard shortcut
+ $cch = 0x01; // Length of text name
+ $cce = 0x0015; // Length of text definition
+ $ixals = $index + 1; // Sheet index
+ $itab = $ixals; // Equal to ixals
+ $cchCustMenu = 0x00; // Length of cust menu text
+ $cchDescription = 0x00; // Length of description text
+ $cchHelptopic = 0x00; // Length of help topic text
+ $cchStatustext = 0x00; // Length of status bar text
+ $rgch = $type; // Built-in name type
+
+ $unknown03 = 0x3b;
+ $unknown04 = 0xffff-$index;
+ $unknown05 = 0x0000;
+ $unknown06 = 0x0000;
+ $unknown07 = 0x1087;
+ $unknown08 = 0x8005;
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $grbit);
+ $data .= pack("C", $chKey);
+ $data .= pack("C", $cch);
+ $data .= pack("v", $cce);
+ $data .= pack("v", $ixals);
+ $data .= pack("v", $itab);
+ $data .= pack("C", $cchCustMenu);
+ $data .= pack("C", $cchDescription);
+ $data .= pack("C", $cchHelptopic);
+ $data .= pack("C", $cchStatustext);
+ $data .= pack("C", $rgch);
+ $data .= pack("C", $unknown03);
+ $data .= pack("v", $unknown04);
+ $data .= pack("v", $unknown05);
+ $data .= pack("v", $unknown06);
+ $data .= pack("v", $unknown07);
+ $data .= pack("v", $unknown08);
+ $data .= pack("v", $index);
+ $data .= pack("v", $index);
+ $data .= pack("v", $rowmin);
+ $data .= pack("v", $rowmax);
+ $data .= pack("C", $colmin);
+ $data .= pack("C", $colmax);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Store the NAME record in the long format that is used for storing the repeat
+ * rows and columns when both are specified. This share a lot of code with
+ * _store_name_short() but we use a separate method to keep the code clean.
+ * Code abstraction for reuse can be carried too far, and I should know. ;-)
+ *
+ * @param integer $index Sheet index
+ * @param integer $type Built-in name type
+ * @param integer $rowmin Start row
+ * @param integer $rowmax End row
+ * @param integer $colmin Start colum
+ * @param integer $colmax End column
+ */
+ function store_name_long($index,$type,$rowmin,$rowmax,$colmin,$colmax)
+ {
+ $record = 0x0018; // Record identifier
+ $length = 0x003d; // Number of bytes to follow
+ $grbit = 0x0020; // Option flags
+ $chKey = 0x00; // Keyboard shortcut
+ $cch = 0x01; // Length of text name
+ $cce = 0x002e; // Length of text definition
+ $ixals = $index + 1; // Sheet index
+ $itab = $ixals; // Equal to ixals
+ $cchCustMenu = 0x00; // Length of cust menu text
+ $cchDescription = 0x00; // Length of description text
+ $cchHelptopic = 0x00; // Length of help topic text
+ $cchStatustext = 0x00; // Length of status bar text
+ $rgch = $type; // Built-in name type
+
+ $unknown01 = 0x29;
+ $unknown02 = 0x002b;
+ $unknown03 = 0x3b;
+ $unknown04 = 0xffff-$index;
+ $unknown05 = 0x0000;
+ $unknown06 = 0x0000;
+ $unknown07 = 0x1087;
+ $unknown08 = 0x8008;
+
+ $header = pack("vv", $record, $length);
+ $data = pack("v", $grbit);
+ $data .= pack("C", $chKey);
+ $data .= pack("C", $cch);
+ $data .= pack("v", $cce);
+ $data .= pack("v", $ixals);
+ $data .= pack("v", $itab);
+ $data .= pack("C", $cchCustMenu);
+ $data .= pack("C", $cchDescription);
+ $data .= pack("C", $cchHelptopic);
+ $data .= pack("C", $cchStatustext);
+ $data .= pack("C", $rgch);
+ $data .= pack("C", $unknown01);
+ $data .= pack("v", $unknown02);
+ // Column definition
+ $data .= pack("C", $unknown03);
+ $data .= pack("v", $unknown04);
+ $data .= pack("v", $unknown05);
+ $data .= pack("v", $unknown06);
+ $data .= pack("v", $unknown07);
+ $data .= pack("v", $unknown08);
+ $data .= pack("v", $index);
+ $data .= pack("v", $index);
+ $data .= pack("v", 0x0000);
+ $data .= pack("v", 0x3fff);
+ $data .= pack("C", $colmin);
+ $data .= pack("C", $colmax);
+ // Row definition
+ $data .= pack("C", $unknown03);
+ $data .= pack("v", $unknown04);
+ $data .= pack("v", $unknown05);
+ $data .= pack("v", $unknown06);
+ $data .= pack("v", $unknown07);
+ $data .= pack("v", $unknown08);
+ $data .= pack("v", $index);
+ $data .= pack("v", $index);
+ $data .= pack("v", $rowmin);
+ $data .= pack("v", $rowmax);
+ $data .= pack("C", 0x00);
+ $data .= pack("C", 0xff);
+ // End of data
+ $data .= pack("C", 0x10);
+ $this->_append($header.$data);
+ }
+
+
+ /**
+ * Stores the PALETTE biff record.
+ */
+ function _store_palette()
+ {
+ $aref = $this->palette;
+
+ $record = 0x0092; // Record identifier
+ $length = 2 + 4 * count($aref); // Number of bytes to follow
+ $ccv = count($aref); // Number of RGB values to follow
+ $data = ''; // The RGB data
+
+ // Pack the RGB data
+ foreach($aref as $color)
+ {
+ foreach($color as $byte) {
+ $data .= pack("C",$byte);
+ }
+ }
+
+ $header = pack("vvv", $record, $length, $ccv);
+ $this->_append($header.$data);
+ }
+}
+?>
\ No newline at end of file
projects / fa-stable.git / commitdiff