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Copy pathclass.writeexcel_formula.inc.php
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class.writeexcel_formula.inc.php
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<?php
/*
* Copyleft 2002 Johann Hanne
*
* This 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 software 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 software; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place,
* Suite 330, Boston, MA 02111-1307 USA
*/
/* This file contains source from the PEAR::Spreadsheet class Parser.php file version 0.4 .
The raiseError was replaced by triggerError function.
The PEAR::isError was imported to keep compatibility to PEAR::Spreadsheet class
Imported and adapted by Andreas Brodowski 2003 ([email protected]).
There should be no license rights in question because the Parser.php from PEAR class is
published under GNU License the same way like this class.
Changes: 03/08/27 Added SPREADSHEET_EXCEL_WRITER_SCOLON for arg seperation in excel functions
*/
/*
* This is the Spreadsheet::WriteExcel Perl package ported to PHP
* Spreadsheet::WriteExcel was written by John McNamara, [email protected]
*/
define('SPREADSHEET_EXCEL_WRITER_ADD',"+");
// @const SPREADSHEET_EXCEL_WRITER_ADD token identifier for character "+"
define('SPREADSHEET_EXCEL_WRITER_SUB',"-");
// @const SPREADSHEET_EXCEL_WRITER_SUB token identifier for character "-"
define('SPREADSHEET_EXCEL_WRITER_MUL',"*");
// @const SPREADSHEET_EXCEL_WRITER_MUL token identifier for character "*"
define('SPREADSHEET_EXCEL_WRITER_DIV',"/");
// @const SPREADSHEET_EXCEL_WRITER_DIV token identifier for character "/"
define('SPREADSHEET_EXCEL_WRITER_OPEN',"(");
// @const SPREADSHEET_EXCEL_WRITER_OPEN token identifier for character "("
define('SPREADSHEET_EXCEL_WRITER_CLOSE',")");
// @const SPREADSHEET_EXCEL_WRITER_CLOSE token identifier for character ")"
define('SPREADSHEET_EXCEL_WRITER_COMA',",");
// @const SPREADSHEET_EXCEL_WRITER_COMA token identifier for character ","
define('SPREADSHEET_EXCEL_WRITER_SCOLON',";");
// @const SPREADSHEET_EXCEL_WRITER_SCOLON token identifier for character ";"
define('SPREADSHEET_EXCEL_WRITER_GT',">");
// @const SPREADSHEET_EXCEL_WRITER_GT token identifier for character ">"
define('SPREADSHEET_EXCEL_WRITER_LT',"<");
// @const SPREADSHEET_EXCEL_WRITER_LT token identifier for character "<"
define('SPREADSHEET_EXCEL_WRITER_LE',"<=");
// @const SPREADSHEET_EXCEL_WRITER_LE token identifier for character "<="
define('SPREADSHEET_EXCEL_WRITER_GE',">=");
// @const SPREADSHEET_EXCEL_WRITER_GE token identifier for character ">="
define('SPREADSHEET_EXCEL_WRITER_EQ',"=");
// @const SPREADSHEET_EXCEL_WRITER_EQ token identifier for character "="
define('SPREADSHEET_EXCEL_WRITER_NE',"<>");
// @const SPREADSHEET_EXCEL_WRITER_NE token identifier for character "<>"
class writeexcel_formula {
###############################################################################
#
# Class data.
#
var $parser;
var $ptg;
var $_functions;
var $_current_char;
var $_current_token;
var $_lookahead;
var $_debug;
var $_byte_order;
var $_volatile;
var $_workbook;
var $_ext_sheets;
var $_formula;
###############################################################################
#
# new()
#
# Constructor
#
function __construct($byte_order) {
$this->parser = false;
$this->ptg = array();
$this->_functions = array();
$this->_debug = 0;
$this->_byte_order = $byte_order;
$this->_volatile = 0;
$this->_workbook = "";
$this->_ext_sheets = array();
$this->_current_token = '';
$this->_lookahead = '';
$this->_current_char = 0;
$this->_formula = '';
}
###############################################################################
#
# _init_parser()
#
# There is a small overhead involved in generating the parser. Therefore, the
# initialisation is delayed until a formula is required. TODO: use a pre-
# compiled header.
#
function _init_parser() {
$this->_initializeHashes();
if ($this->_debug) {
print "Init_parser.\n\n";
}
}
###############################################################################
#
# parse_formula()
#
# This is the only public method. It takes a textual description of a formula
# and returns a RPN encoded byte string.
#
function parse_formula() {
$_=func_get_args();
# Initialise the parser if this is the first call
if ($this->parser===false) {
$this->_init_parser();
}
$formula = array_shift($_);
//$str;
//$tokens;
if ($this->_debug) {
print "$formula\n";
}
# Build the parse tree for the formula
$this->_formula = $formula;
$this->_current_char = 0;
$this->_lookahead = $this->_formula[1];
$this->_advance($formula);
$parsetree = $this->_condition();
$str = $this->toReversePolish($parsetree);
return $str;
}
function isError($data) {
return (bool)(is_object($data) &&
(get_class($data) == 'pear_error' ||
is_subclass_of($data, 'pear_error')));
}
/**
* Class for parsing Excel formulas
*
* @author Xavier Noguer <[email protected]>
* @category FileFormats
* @package Spreadsheet_Excel_Writer
*/
/**
* Initialize the ptg and function hashes.
*
* @access private
*/
function _initializeHashes()
{
// 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.
*
* @access private
* @param mixed $token The token to convert.
* @return mixed the converted token on success. PEAR_Error if the token
* is not recognized
*/
function _convert($token)
{
if (preg_match('/^"[^"]{0,255}"$/', $token))
{
return $this->_convertString($token);
}
elseif (is_numeric($token))
{
return $this->_convertNumber($token);
}
// match references like A1 or $A$1
elseif (preg_match('/^\$?([A-Ia-i]?[A-Za-z])\$?(\d+)$/',$token))
{
return $this->_convertRef2d($token);
}
// match external references like Sheet1:Sheet2!A1
elseif (preg_match("/^[A-Za-z0-9_]+(\:[A-Za-z0-9_]+)?\![A-Ia-i]?[A-Za-z](\d+)$/",$token))
{
return $this->_convertRef3d($token);
}
// match ranges like A1:B2
elseif (preg_match('/^\$?[A-Ia-i]?[A-Za-z]\$?\d+\:\$?[A-Ia-i]?[A-Za-z]\$?\d+$/',$token))
{
return $this->_convertRange2d($token);
}
// match ranges like A1..B2
elseif (preg_match('/^\$?[A-Ia-i]?[A-Za-z]\$?\d+\.\.\$?[A-Ia-i]?[A-Za-z]\$?\d+$/',$token))
{
return $this->_convertRange2d($token);
}
// match external ranges like Sheet1:Sheet2!A1:B2
elseif (preg_match("/^[A-Za-z0-9_]+(\:[A-Za-z0-9_]+)?\!([A-Ia-i]?[A-Za-z])?(\d+)\:([A-Ia-i]?[A-Za-z])?(\d+)$/",$token))
{
return $this->_convertRange3d($token);
}
// match external ranges like 'Sheet1:Sheet2'!A1:B2
elseif (preg_match("/^'[A-Za-z0-9_ ]+(\:[A-Za-z0-9_ ]+)?'\!([A-Ia-i]?[A-Za-z])?(\d+)\:([A-Ia-i]?[A-Za-z])?(\d+)$/",$token))
{
return $this->_convertRange3d($token);
}
elseif (isset($this->ptg[$token])) // operators (including parentheses)
{
return pack("C", $this->ptg[$token]);
}
// commented so argument number can be processed correctly. See toReversePolish().
/*elseif (preg_match("/[A-Z0-9\xc0-\xdc\.]+/",$token))
{
return($this->_convertFunction($token,$this->_func_args));
}*/
// if it's an argument, ignore the token (the argument remains)
elseif ($token == 'arg')
{
return '';
}
// TODO: use real error codes
trigger_error("Unknown token $token", E_USER_ERROR);
}
/**
* Convert a number token to ptgInt or ptgNum
*
* @access private
* @param mixed $num an integer or double for conversion to its ptg value
*/
function _convertNumber($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 string token to ptgStr
*
* @access private
* @param string $string A string for conversion to its ptg value
*/
function _convertString($string)
{
// chop away beggining and ending quotes
$string = substr($string, 1, strlen($string) - 2);
return pack("CC", $this->ptg['ptgStr'], strlen($string)).$string;
}
/**
* Convert a function to a ptgFunc or ptgFuncVarV depending on the number of
* args that it takes.
*
* @access private
* @param string $token The name of the function for convertion to ptg value.
* @param integer $num_args The number of arguments the function receives.
* @return string The packed ptg for the function
*/
function _convertFunction($token, $num_args)
{
$args = $this->_functions[$token][1];
$volatile = $this->_functions[$token][3];
// 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.
*
* @access private
* @param string $range An Excel range in the A1:A2 or A1..A2 format.
*/
function _convertRange2d($range)
{
$class = 2; // as far as I know, this is magick.
// Split the range into 2 cell refs
if (preg_match('/^\$?([A-Ia-i]?[A-Za-z])\$?(\d+)\:\$?([A-Ia-i]?[A-Za-z])\$?(\d+)$/',$range)) {
list($cell1, $cell2) = explode(':', $range);
}
elseif (preg_match('/^\$?([A-Ia-i]?[A-Za-z])\$?(\d+)\.\.\$?([A-Ia-i]?[A-Za-z])\$?(\d+)$/',$range)) {
list($cell1, $cell2) = explode('\.\.', $range);
}
else {
// TODO: use real error codes
trigger_error("Unknown range separator", E_USER_ERROR);
}
// Convert the cell references
$cell_array1 = $this->_cellToPackedRowcol($cell1);
if ($this->isError($cell_array1)) {
return $cell_array1;
}
list($row1, $col1) = $cell_array1;
$cell_array2 = $this->_cellToPackedRowcol($cell2);
if ($this->isError($cell_array2)) {
return $cell_array2;
}
list($row2, $col2) = $cell_array2;
// The ptg value depends on the class of the ptg.
if ($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 {
// TODO: use real error codes
trigger_error("Unknown class $class", E_USER_ERROR);
}
return $ptgArea . $row1 . $row2 . $col1. $col2;
}
/**
* Convert an Excel 3d range such as "Sheet1!A1:D4" or "Sheet1:Sheet2!A1:D4" to
* a ptgArea3dV.
*
* @access private
* @param string $token An Excel range in the Sheet1!A1:A2 format.
*/
function _convertRange3d($token)
{
$class = 2; // as far as I know, this is magick.
// Split the ref at the ! symbol
list($ext_ref, $range) = explode('!', $token);
// Convert the external reference part
$ext_ref = $this->_packExtRef($ext_ref);
if ($this->isError($ext_ref)) {
return $ext_ref;
}
// Split the range into 2 cell refs
list($cell1, $cell2) = explode(':', $range);
// Convert the cell references
if (preg_match('/^(\$)?[A-Ia-i]?[A-Za-z](\$)?(\d+)$/', $cell1))
{
$cell_array1 = $this->_cellToPackedRowcol($cell1);
if ($this->isError($cell_array1)) {
return $cell_array1;
}
list($row1, $col1) = $cell_array1;
$cell_array2 = $this->_cellToPackedRowcol($cell2);
if ($this->isError($cell_array2)) {
return $cell_array2;
}
list($row2, $col2) = $cell_array2;
}
else { // It's a columns range (like 26:27)
$cells_array = $this->_rangeToPackedRange($cell1.':'.$cell2);
if ($this->isError($cells_array)) {
return $cells_array;
}
list($row1, $col1, $row2, $col2) = $cells_array;
}
// The ptg value depends on the class of the ptg.
if ($class == 0) {
$ptgArea = pack("C", $this->ptg['ptgArea3d']);
}
elseif ($class == 1) {
$ptgArea = pack("C", $this->ptg['ptgArea3dV']);
}
elseif ($class == 2) {
$ptgArea = pack("C", $this->ptg['ptgArea3dA']);
}
else {
trigger_error("Unknown class $class", E_USER_ERROR);
}
return $ptgArea . $ext_ref . $row1 . $row2 . $col1. $col2;
}
/**
* Convert an Excel reference such as A1, $B2, C$3 or $D$4 to a ptgRefV.
*
* @access private
* @param string $cell An Excel cell reference
* @return string The cell in packed() format with the corresponding ptg
*/
function _convertRef2d($cell)
{
$class = 2; // as far as I know, this is magick.
// Convert the cell reference
$cell_array = $this->_cellToPackedRowcol($cell);
if ($this->isError($cell_array)) {
return $cell_array;
}
list($row, $col) = $cell_array;
// The ptg value depends on the class of the ptg.
if ($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 {
// TODO: use real error codes
trigger_error("Unknown class $class",E_USER_ERROR);
}
return $ptgRef.$row.$col;
}
/**
* Convert an Excel 3d reference such as "Sheet1!A1" or "Sheet1:Sheet2!A1" to a
* ptgRef3dV.
*
* @access private
* @param string $cell An Excel cell reference
* @return string The cell in packed() format with the corresponding ptg
*/
function _convertRef3d($cell)
{
$class = 2; // as far as I know, this is magick.
// Split the ref at the ! symbol
list($ext_ref, $cell) = explode('!', $cell);
// Convert the external reference part
$ext_ref = $this->_packExtRef($ext_ref);
if ($this->isError($ext_ref)) {
return $ext_ref;
}
// Convert the cell reference part
list($row, $col) = $this->_cellToPackedRowcol($cell);
// The ptg value depends on the class of the ptg.
if ($class == 0) {
$ptgRef = pack("C", $this->ptg['ptgRef3d']);
} elseif ($class == 1) {
$ptgRef = pack("C", $this->ptg['ptgRef3dV']);
} elseif ($class == 2) {
$ptgRef = pack("C", $this->ptg['ptgRef3dA']);
}
else {
trigger_error("Unknown class $class", E_USER_ERROR);
}
return $ptgRef . $ext_ref. $row . $col;
}
/**
* Convert the sheet name part of an external reference, for example "Sheet1" or
* "Sheet1:Sheet2", to a packed structure.
*
* @access private
* @param string $ext_ref The name of the external reference
* @return string The reference index in packed() format
*/
function _packExtRef($ext_ref) {
$ext_ref = preg_replace("/^'/", '', $ext_ref); // Remove leading ' if any.
$ext_ref = preg_replace("/'$/", '', $ext_ref); // Remove trailing ' if any.
// Check if there is a sheet range eg., Sheet1:Sheet2.
if (preg_match("/:/", $ext_ref))
{
list($sheet_name1, $sheet_name2) = explode(':', $ext_ref);
$sheet1 = $this->_getSheetIndex($sheet_name1);
if ($sheet1 == -1) {
trigger_error("Unknown sheet name $sheet_name1 in formula",E_USER_ERROR);
}
$sheet2 = $this->_getSheetIndex($sheet_name2);
if ($sheet2 == -1) {
trigger_error("Unknown sheet name $sheet_name2 in formula",E_USER_ERROR);
}
// Reverse max and min sheet numbers if necessary
if ($sheet1 > $sheet2) {
list($sheet1, $sheet2) = array($sheet2, $sheet1);
}
}
else { // Single sheet name only.
$sheet1 = $this->_getSheetIndex($ext_ref);
if ($sheet1 == -1) {
trigger_error("Unknown sheet name $ext_ref in formula",E_USER_ERROR);
}
$sheet2 = $sheet1;
}
// References are stored relative to 0xFFFF.
$offset = -1 - $sheet1;
return pack('vdvv', $offset, 0x00, $sheet1, $sheet2);
}
/**
* Look up the index that corresponds to an external sheet name. The hash of
* sheet names is updated by the addworksheet() method of the
* Spreadsheet_Excel_Writer_Workbook class.
*
* @access private
* @return integer
*/
function _getSheetIndex($sheet_name)
{
if (!isset($this->_ext_sheets[$sheet_name])) {
return -1;
}
else {
return $this->_ext_sheets[$sheet_name];
}
}
/**
* This method is used to update the array of sheet names. It is
* called by the addWorksheet() method of the Spreadsheet_Excel_Writer_Workbook class.
*
* @access private
* @param string $name The name of the worksheet being added
* @param integer $index The index of the worksheet being added
*/
function set_ext_sheet($name, $index)
{
$this->_ext_sheets[$name] = $index;
}
/**
* pack() row and column into the required 3 byte format.
*
* @access private
* @param string $cell The Excel cell reference to be packed
* @return array Array containing the row and column in packed() format
*/
function _cellToPackedRowcol($cell)
{
$cell = strtoupper($cell);
list($row, $col, $row_rel, $col_rel) = $this->_cellToRowcol($cell);
if ($col >= 256) {
trigger_error("Column in: $cell greater than 255", E_USER_ERROR);
}
if ($row >= 16384) {
trigger_error("Row in: $cell greater than 16384 ", E_USER_ERROR);
}
// 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);
}
/**
* pack() row range into the required 3 byte format.
* Just using maximun col/rows, which is probably not the correct solution
*
* @access private
* @param string $range The Excel range to be packed
* @return array Array containing (row1,col1,row2,col2) in packed() format
*/
function _rangeToPackedRange($range)
{
preg_match('/(\$)?(\d+)\:(\$)?(\d+)/', $range, $match);
// return absolute rows if there is a $ in the ref
$row1_rel = empty($match[1]) ? 1 : 0;
$row1 = $match[2];
$row2_rel = empty($match[3]) ? 1 : 0;
$row2 = $match[4];
// Convert 1-index to zero-index
$row1--;
$row2--;
// Trick poor inocent Excel
$col1 = 0;
$col2 = 16383; // maximum possible value for Excel 5 (change this!!!)
//list($row, $col, $row_rel, $col_rel) = $this->_cellToRowcol($cell);
if (($row1 >= 16384) or ($row2 >= 16384)) {
trigger_error("Row in: $range greater than 16384 ",E_USER_ERROR);
}
// Set the high bits to indicate if rows are relative.
$row1 |= $row1_rel << 14;
$row2 |= $row2_rel << 15;
$row1 = pack('v', $row1);
$row2 = pack('v', $row2);
$col1 = pack('C', $col1);
$col2 = pack('C', $col2);
return array($row1, $col1, $row2, $col2);
}
/**
* 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 (0,1) values to indicate
* whether the row or column are relative references.
*
* @access private
* @param string $cell The Excel cell reference in A1 format.
* @return array
*/
function _cellToRowcol($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;