diff options
Diffstat (limited to '')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Calculation/FormulaParser.php | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Calculation/FormulaParser.php b/admin/survey/excel/PHPExcel/Calculation/FormulaParser.php new file mode 100644 index 0000000..bdc66ca --- /dev/null +++ b/admin/survey/excel/PHPExcel/Calculation/FormulaParser.php @@ -0,0 +1,614 @@ +<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2012 PHPExcel
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * @category PHPExcel
+ * @package PHPExcel_Calculation
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 1.7.8, 2012-10-12
+ */
+
+
+/*
+PARTLY BASED ON:
+ Copyright (c) 2007 E. W. Bachtal, Inc.
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
+ subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or substantial
+ portions of the Software.
+
+ The software is provided "as is", without warranty of any kind, express or implied, including but not
+ limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In
+ no event shall the authors or copyright holders be liable for any claim, damages or other liability,
+ whether in an action of contract, tort or otherwise, arising from, out of or in connection with the
+ software or the use or other dealings in the software.
+
+ http://ewbi.blogs.com/develops/2007/03/excel_formula_p.html
+ http://ewbi.blogs.com/develops/2004/12/excel_formula_p.html
+*/
+
+/**
+ * PHPExcel_Calculation_FormulaParser
+ *
+ * @category PHPExcel
+ * @package PHPExcel_Calculation
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Calculation_FormulaParser {
+ /* Character constants */
+ const QUOTE_DOUBLE = '"';
+ const QUOTE_SINGLE = '\'';
+ const BRACKET_CLOSE = ']';
+ const BRACKET_OPEN = '[';
+ const BRACE_OPEN = '{';
+ const BRACE_CLOSE = '}';
+ const PAREN_OPEN = '(';
+ const PAREN_CLOSE = ')';
+ const SEMICOLON = ';';
+ const WHITESPACE = ' ';
+ const COMMA = ',';
+ const ERROR_START = '#';
+
+ const OPERATORS_SN = "+-";
+ const OPERATORS_INFIX = "+-*/^&=><";
+ const OPERATORS_POSTFIX = "%";
+
+ /**
+ * Formula
+ *
+ * @var string
+ */
+ private $_formula;
+
+ /**
+ * Tokens
+ *
+ * @var PHPExcel_Calculation_FormulaToken[]
+ */
+ private $_tokens = array();
+
+ /**
+ * Create a new PHPExcel_Calculation_FormulaParser
+ *
+ * @param string $pFormula Formula to parse
+ * @throws Exception
+ */
+ public function __construct($pFormula = '')
+ {
+ // Check parameters
+ if (is_null($pFormula)) {
+ throw new Exception("Invalid parameter passed: formula");
+ }
+
+ // Initialise values
+ $this->_formula = trim($pFormula);
+ // Parse!
+ $this->_parseToTokens();
+ }
+
+ /**
+ * Get Formula
+ *
+ * @return string
+ */
+ public function getFormula() {
+ return $this->_formula;
+ }
+
+ /**
+ * Get Token
+ *
+ * @param int $pId Token id
+ * @return string
+ * @throws Exception
+ */
+ public function getToken($pId = 0) {
+ if (isset($this->_tokens[$pId])) {
+ return $this->_tokens[$pId];
+ } else {
+ throw new Exception("Token with id $pId does not exist.");
+ }
+ }
+
+ /**
+ * Get Token count
+ *
+ * @return string
+ */
+ public function getTokenCount() {
+ return count($this->_tokens);
+ }
+
+ /**
+ * Get Tokens
+ *
+ * @return PHPExcel_Calculation_FormulaToken[]
+ */
+ public function getTokens() {
+ return $this->_tokens;
+ }
+
+ /**
+ * Parse to tokens
+ */
+ private function _parseToTokens() {
+ // No attempt is made to verify formulas; assumes formulas are derived from Excel, where
+ // they can only exist if valid; stack overflows/underflows sunk as nulls without exceptions.
+
+ // Check if the formula has a valid starting =
+ $formulaLength = strlen($this->_formula);
+ if ($formulaLength < 2 || $this->_formula{0} != '=') return;
+
+ // Helper variables
+ $tokens1 = $tokens2 = $stack = array();
+ $inString = $inPath = $inRange = $inError = false;
+ $token = $previousToken = $nextToken = null;
+
+ $index = 1;
+ $value = '';
+
+ $ERRORS = array("#NULL!", "#DIV/0!", "#VALUE!", "#REF!", "#NAME?", "#NUM!", "#N/A");
+ $COMPARATORS_MULTI = array(">=", "<=", "<>");
+
+ while ($index < $formulaLength) {
+ // state-dependent character evaluation (order is important)
+
+ // double-quoted strings
+ // embeds are doubled
+ // end marks token
+ if ($inString) {
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::QUOTE_DOUBLE) {
+ if ((($index + 2) <= $formulaLength) && ($this->_formula{$index + 1} == PHPExcel_Calculation_FormulaParser::QUOTE_DOUBLE)) {
+ $value .= PHPExcel_Calculation_FormulaParser::QUOTE_DOUBLE;
+ ++$index;
+ } else {
+ $inString = false;
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_TEXT);
+ $value = "";
+ }
+ } else {
+ $value .= $this->_formula{$index};
+ }
+ ++$index;
+ continue;
+ }
+
+ // single-quoted strings (links)
+ // embeds are double
+ // end does not mark a token
+ if ($inPath) {
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::QUOTE_SINGLE) {
+ if ((($index + 2) <= $formulaLength) && ($this->_formula{$index + 1} == PHPExcel_Calculation_FormulaParser::QUOTE_SINGLE)) {
+ $value .= PHPExcel_Calculation_FormulaParser::QUOTE_SINGLE;
+ ++$index;
+ } else {
+ $inPath = false;
+ }
+ } else {
+ $value .= $this->_formula{$index};
+ }
+ ++$index;
+ continue;
+ }
+
+ // bracked strings (R1C1 range index or linked workbook name)
+ // no embeds (changed to "()" by Excel)
+ // end does not mark a token
+ if ($inRange) {
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::BRACKET_CLOSE) {
+ $inRange = false;
+ }
+ $value .= $this->_formula{$index};
+ ++$index;
+ continue;
+ }
+
+ // error values
+ // end marks a token, determined from absolute list of values
+ if ($inError) {
+ $value .= $this->_formula{$index};
+ ++$index;
+ if (in_array($value, $ERRORS)) {
+ $inError = false;
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_ERROR);
+ $value = "";
+ }
+ continue;
+ }
+
+ // scientific notation check
+ if (strpos(PHPExcel_Calculation_FormulaParser::OPERATORS_SN, $this->_formula{$index}) !== false) {
+ if (strlen($value) > 1) {
+ if (preg_match("/^[1-9]{1}(\.[0-9]+)?E{1}$/", $this->_formula{$index}) != 0) {
+ $value .= $this->_formula{$index};
+ ++$index;
+ continue;
+ }
+ }
+ }
+
+ // independent character evaluation (order not important)
+
+ // establish state-dependent character evaluations
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::QUOTE_DOUBLE) {
+ if (strlen($value > 0)) { // unexpected
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_UNKNOWN);
+ $value = "";
+ }
+ $inString = true;
+ ++$index;
+ continue;
+ }
+
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::QUOTE_SINGLE) {
+ if (strlen($value) > 0) { // unexpected
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_UNKNOWN);
+ $value = "";
+ }
+ $inPath = true;
+ ++$index;
+ continue;
+ }
+
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::BRACKET_OPEN) {
+ $inRange = true;
+ $value .= PHPExcel_Calculation_FormulaParser::BRACKET_OPEN;
+ ++$index;
+ continue;
+ }
+
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::ERROR_START) {
+ if (strlen($value) > 0) { // unexpected
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_UNKNOWN);
+ $value = "";
+ }
+ $inError = true;
+ $value .= PHPExcel_Calculation_FormulaParser::ERROR_START;
+ ++$index;
+ continue;
+ }
+
+ // mark start and end of arrays and array rows
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::BRACE_OPEN) {
+ if (strlen($value) > 0) { // unexpected
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_UNKNOWN);
+ $value = "";
+ }
+
+ $tmp = new PHPExcel_Calculation_FormulaToken("ARRAY", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START);
+ $tokens1[] = $tmp;
+ $stack[] = clone $tmp;
+
+ $tmp = new PHPExcel_Calculation_FormulaToken("ARRAYROW", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START);
+ $tokens1[] = $tmp;
+ $stack[] = clone $tmp;
+
+ ++$index;
+ continue;
+ }
+
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::SEMICOLON) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+
+ $tmp = array_pop($stack);
+ $tmp->setValue("");
+ $tmp->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP);
+ $tokens1[] = $tmp;
+
+ $tmp = new PHPExcel_Calculation_FormulaToken(",", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_ARGUMENT);
+ $tokens1[] = $tmp;
+
+ $tmp = new PHPExcel_Calculation_FormulaToken("ARRAYROW", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START);
+ $tokens1[] = $tmp;
+ $stack[] = clone $tmp;
+
+ ++$index;
+ continue;
+ }
+
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::BRACE_CLOSE) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+
+ $tmp = array_pop($stack);
+ $tmp->setValue("");
+ $tmp->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP);
+ $tokens1[] = $tmp;
+
+ $tmp = array_pop($stack);
+ $tmp->setValue("");
+ $tmp->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP);
+ $tokens1[] = $tmp;
+
+ ++$index;
+ continue;
+ }
+
+ // trim white-space
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::WHITESPACE) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken("", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_WHITESPACE);
+ ++$index;
+ while (($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::WHITESPACE) && ($index < $formulaLength)) {
+ ++$index;
+ }
+ continue;
+ }
+
+ // multi-character comparators
+ if (($index + 2) <= $formulaLength) {
+ if (in_array(substr($this->_formula, $index, 2), $COMPARATORS_MULTI)) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken(substr($this->_formula, $index, 2), PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_LOGICAL);
+ $index += 2;
+ continue;
+ }
+ }
+
+ // standard infix operators
+ if (strpos(PHPExcel_Calculation_FormulaParser::OPERATORS_INFIX, $this->_formula{$index}) !== false) {
+ if (strlen($value) > 0) {
+ $tokens1[] =new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($this->_formula{$index}, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX);
+ ++$index;
+ continue;
+ }
+
+ // standard postfix operators (only one)
+ if (strpos(PHPExcel_Calculation_FormulaParser::OPERATORS_POSTFIX, $this->_formula{$index}) !== false) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($this->_formula{$index}, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX);
+ ++$index;
+ continue;
+ }
+
+ // start subexpression or function
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::PAREN_OPEN) {
+ if (strlen($value) > 0) {
+ $tmp = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START);
+ $tokens1[] = $tmp;
+ $stack[] = clone $tmp;
+ $value = "";
+ } else {
+ $tmp = new PHPExcel_Calculation_FormulaToken("", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_SUBEXPRESSION, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START);
+ $tokens1[] = $tmp;
+ $stack[] = clone $tmp;
+ }
+ ++$index;
+ continue;
+ }
+
+ // function, subexpression, or array parameters, or operand unions
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::COMMA) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+
+ $tmp = array_pop($stack);
+ $tmp->setValue("");
+ $tmp->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP);
+ $stack[] = $tmp;
+
+ if ($tmp->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken(",", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_UNION);
+ } else {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken(",", PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_ARGUMENT);
+ }
+ ++$index;
+ continue;
+ }
+
+ // stop subexpression
+ if ($this->_formula{$index} == PHPExcel_Calculation_FormulaParser::PAREN_CLOSE) {
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ $value = "";
+ }
+
+ $tmp = array_pop($stack);
+ $tmp->setValue("");
+ $tmp->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP);
+ $tokens1[] = $tmp;
+
+ ++$index;
+ continue;
+ }
+
+ // token accumulation
+ $value .= $this->_formula{$index};
+ ++$index;
+ }
+
+ // dump remaining accumulation
+ if (strlen($value) > 0) {
+ $tokens1[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND);
+ }
+
+ // move tokenList to new set, excluding unnecessary white-space tokens and converting necessary ones to intersections
+ $tokenCount = count($tokens1);
+ for ($i = 0; $i < $tokenCount; ++$i) {
+ $token = $tokens1[$i];
+ if (isset($tokens1[$i - 1])) {
+ $previousToken = $tokens1[$i - 1];
+ } else {
+ $previousToken = null;
+ }
+ if (isset($tokens1[$i + 1])) {
+ $nextToken = $tokens1[$i + 1];
+ } else {
+ $nextToken = null;
+ }
+
+ if (is_null($token)) {
+ continue;
+ }
+
+ if ($token->getTokenType() != PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_WHITESPACE) {
+ $tokens2[] = $token;
+ continue;
+ }
+
+ if (is_null($previousToken)) {
+ continue;
+ }
+
+ if (! (
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ ($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND)
+ ) ) {
+ continue;
+ }
+
+ if (is_null($nextToken)) {
+ continue;
+ }
+
+ if (! (
+ (($nextToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) && ($nextToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START)) ||
+ (($nextToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($nextToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_START)) ||
+ ($nextToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND)
+ ) ) {
+ continue;
+ }
+
+ $tokens2[] = new PHPExcel_Calculation_FormulaToken($value, PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX, PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_INTERSECTION);
+ }
+
+ // move tokens to final list, switching infix "-" operators to prefix when appropriate, switching infix "+" operators
+ // to noop when appropriate, identifying operand and infix-operator subtypes, and pulling "@" from function names
+ $this->_tokens = array();
+
+ $tokenCount = count($tokens2);
+ for ($i = 0; $i < $tokenCount; ++$i) {
+ $token = $tokens2[$i];
+ if (isset($tokens2[$i - 1])) {
+ $previousToken = $tokens2[$i - 1];
+ } else {
+ $previousToken = null;
+ }
+ if (isset($tokens2[$i + 1])) {
+ $nextToken = $tokens2[$i + 1];
+ } else {
+ $nextToken = null;
+ }
+
+ if (is_null($token)) {
+ continue;
+ }
+
+ if ($token->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX && $token->getValue() == "-") {
+ if ($i == 0) {
+ $token->setTokenType(PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORPREFIX);
+ } else if (
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ ($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX) ||
+ ($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND)
+ ) {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_MATH);
+ } else {
+ $token->setTokenType(PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORPREFIX);
+ }
+
+ $this->_tokens[] = $token;
+ continue;
+ }
+
+ if ($token->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX && $token->getValue() == "+") {
+ if ($i == 0) {
+ continue;
+ } else if (
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ (($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($previousToken->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_STOP)) ||
+ ($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX) ||
+ ($previousToken->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND)
+ ) {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_MATH);
+ } else {
+ continue;
+ }
+
+ $this->_tokens[] = $token;
+ continue;
+ }
+
+ if ($token->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERATORINFIX && $token->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_NOTHING) {
+ if (strpos("<>=", substr($token->getValue(), 0, 1)) !== false) {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_LOGICAL);
+ } else if ($token->getValue() == "&") {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_CONCATENATION);
+ } else {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_MATH);
+ }
+
+ $this->_tokens[] = $token;
+ continue;
+ }
+
+ if ($token->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_OPERAND && $token->getTokenSubType() == PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_NOTHING) {
+ if (!is_numeric($token->getValue())) {
+ if (strtoupper($token->getValue()) == "TRUE" || strtoupper($token->getValue() == "FALSE")) {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_LOGICAL);
+ } else {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_RANGE);
+ }
+ } else {
+ $token->setTokenSubType(PHPExcel_Calculation_FormulaToken::TOKEN_SUBTYPE_NUMBER);
+ }
+
+ $this->_tokens[] = $token;
+ continue;
+ }
+
+ if ($token->getTokenType() == PHPExcel_Calculation_FormulaToken::TOKEN_TYPE_FUNCTION) {
+ if (strlen($token->getValue() > 0)) {
+ if (substr($token->getValue(), 0, 1) == "@") {
+ $token->setValue(substr($token->getValue(), 1));
+ }
+ }
+ }
+
+ $this->_tokens[] = $token;
+ }
+ }
+}
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