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103 lines
3.5 KiB
PHP
103 lines
3.5 KiB
PHP
<?php
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// Copyright (C) 2010 Combodo SARL
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; version 3 of the License.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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/**
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* Special handling for OQL syntax errors
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*
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* @author Erwan Taloc <erwan.taloc@combodo.com>
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* @author Romain Quetiez <romain.quetiez@combodo.com>
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* @author Denis Flaven <denis.flaven@combodo.com>
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* @license http://www.opensource.org/licenses/gpl-3.0.html LGPL
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*/
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class OQLException extends CoreException
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{
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public function __construct($sIssue, $sInput, $iLine, $iCol, $sUnexpected, $aExpecting = null)
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{
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$this->m_MyIssue = $sIssue;
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$this->m_sInput = $sInput;
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$this->m_iLine = $iLine;
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$this->m_iCol = $iCol;
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$this->m_sUnexpected = $sUnexpected;
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$this->m_aExpecting = $aExpecting;
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if (is_null($this->m_aExpecting) || (count($this->m_aExpecting) == 0))
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{
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$sMessage = "$sIssue - found '{$this->m_sUnexpected}' at $iCol in '$sInput'";
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}
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else
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{
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$sExpectations = '{'.implode(', ', $this->m_aExpecting).'}';
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$sSuggest = self::FindClosestString($this->m_sUnexpected, $this->m_aExpecting);
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$sMessage = "$sIssue - found '{$this->m_sUnexpected}' at $iCol in '$sInput', expecting $sExpectations, I would suggest to use '$sSuggest'";
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}
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// make sure everything is assigned properly
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parent::__construct($sMessage, 0);
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}
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public function getHtmlDesc($sHighlightHtmlBegin = '<b>', $sHighlightHtmlEnd = '</b>')
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{
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$sRet = htmlentities($this->m_MyIssue.", found '".$this->m_sUnexpected."' in: ", ENT_QUOTES, 'UTF-8');
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$sRet .= htmlentities(substr($this->m_sInput, 0, $this->m_iCol), ENT_QUOTES, 'UTF-8');
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$sRet .= $sHighlightHtmlBegin.htmlentities(substr($this->m_sInput, $this->m_iCol, strlen($this->m_sUnexpected)), ENT_QUOTES, 'UTF-8').$sHighlightHtmlEnd;
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$sRet .= htmlentities(substr($this->m_sInput, $this->m_iCol + strlen($this->m_sUnexpected)), ENT_QUOTES, 'UTF-8');
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if (!is_null($this->m_aExpecting) && (count($this->m_aExpecting) > 0))
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{
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$sExpectations = '{'.implode(', ', $this->m_aExpecting).'}';
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$sRet .= ", expecting ".htmlentities($sExpectations, ENT_QUOTES, 'UTF-8');
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$sSuggest = self::FindClosestString($this->m_sUnexpected, $this->m_aExpecting);
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if (strlen($sSuggest) > 0)
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{
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$sRet .= ", I would suggest to use '$sHighlightHtmlBegin".htmlentities($sSuggest, ENT_QUOTES, 'UTF-8')."$sHighlightHtmlEnd'";
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}
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}
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return $sRet;
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}
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static protected function FindClosestString($sInput, $aDictionary)
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{
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// no shortest distance found, yet
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$fShortest = -1;
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$sRet = '';
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// loop through words to find the closest
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foreach ($aDictionary as $sSuggestion)
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{
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// calculate the distance between the input string and the suggested one
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$fDist = levenshtein($sInput, $sSuggestion);
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if ($fDist == 0)
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{
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// Exact match
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return $sSuggestion;
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}
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if ($fShortest < 0 || ($fDist < 4 && $fDist <= $fShortest))
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{
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// set the closest match, and shortest distance
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$sRet = $sSuggestion;
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$fShortest = $fDist;
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}
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}
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return $sRet;
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}
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}
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?>
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