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<?php |
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/** |
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* Unified diff generator for PHP DiffLib. |
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* |
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* PHP version 5 |
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* |
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* Copyright (c) 2009 Chris Boulton <chris.boulton@interspire.com> |
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the following disclaimer. |
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* - Redistributions in binary form must reproduce the above copyright notice, |
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* this list of conditions and the following disclaimer in the documentation |
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* and/or other materials provided with the distribution. |
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* - Neither the name of the Chris Boulton nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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* @package DiffLib |
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* @author Chris Boulton <chris.boulton@interspire.com> |
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* @copyright (c) 2009 Chris Boulton |
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* @license New BSD License http://www.opensource.org/licenses/bsd-license.php |
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* @version 1.1 |
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* @link http://github.com/chrisboulton/php-diff |
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*/ |
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|
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require_once dirname(__FILE__).'/../Abstract.php'; |
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|
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class WPR_Diff_Renderer_Text_Unified extends WPR_Diff_Renderer_Abstract |
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{ |
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/** |
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* Render and return a unified diff. |
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* |
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* @return string The unified diff. |
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*/ |
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public function render() |
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{ |
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$diff = ''; |
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$opCodes = $this->diff->getGroupedOpcodes(); |
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foreach($opCodes as $group) { |
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$lastItem = count($group)-1; |
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$i1 = $group[0][1]; |
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$i2 = $group[$lastItem][2]; |
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$j1 = $group[0][3]; |
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$j2 = $group[$lastItem][4]; |
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|
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if($i1 == 0 && $i2 == 0) { |
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$i1 = -1; |
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$i2 = -1; |
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} |
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|
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$diff .= '@@ -'.($i1 + 1).','.($i2 - $i1).' +'.($j1 + 1).','.($j2 - $j1)." @@\n"; |
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foreach($group as $code) { |
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list($tag, $i1, $i2, $j1, $j2) = $code; |
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if($tag == 'equal') { |
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$diff .= ' '.implode("\n ", $this->diff->GetA($i1, $i2))."\n"; |
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} |
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else { |
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if($tag == 'replace' || $tag == 'delete') { |
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$diff .= '-'.implode("\n-", $this->diff->GetA($i1, $i2))."\n"; |
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} |
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|
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if($tag == 'replace' || $tag == 'insert') { |
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$diff .= '+'.implode("\n+", $this->diff->GetB($j1, $j2))."\n"; |
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} |
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} |
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} |
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} |
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return $diff; |
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} |
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} |
