diff options
Diffstat (limited to 'library/vendor/php-diff/lib/Diff/Renderer/Text/Context.php')
| -rw-r--r-- | library/vendor/php-diff/lib/Diff/Renderer/Text/Context.php | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/library/vendor/php-diff/lib/Diff/Renderer/Text/Context.php b/library/vendor/php-diff/lib/Diff/Renderer/Text/Context.php new file mode 100644 index 0000000..241b965 --- /dev/null +++ b/library/vendor/php-diff/lib/Diff/Renderer/Text/Context.php @@ -0,0 +1,128 @@ +<?php +/** + * Context diff generator for PHP DiffLib. + * + * PHP version 5 + * + * Copyright (c) 2009 Chris Boulton <chris.boulton@interspire.com> + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * - Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * - Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * - Neither the name of the Chris Boulton nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + * @package DiffLib + * @author Chris Boulton <chris.boulton@interspire.com> + * @copyright (c) 2009 Chris Boulton + * @license New BSD License http://www.opensource.org/licenses/bsd-license.php + * @version 1.1 + * @link http://github.com/chrisboulton/php-diff + */ + +require_once dirname(__FILE__).'/../Abstract.php'; + +class Diff_Renderer_Text_Context extends Diff_Renderer_Abstract +{ + /** + * @var array Array of the different opcode tags and how they map to the context diff equivalent. + */ + private $tagMap = array( + 'insert' => '+', + 'delete' => '-', + 'replace' => '!', + 'equal' => ' ' + ); + + /** + * Render and return a context formatted (old school!) diff file. + * + * @return string The generated context diff. + */ + public function render() + { + $diff = ''; + $opCodes = $this->diff->getGroupedOpcodes(); + foreach($opCodes as $group) { + $diff .= "***************\n"; + $lastItem = count($group)-1; + $i1 = $group[0][1]; + $i2 = $group[$lastItem][2]; + $j1 = $group[0][3]; + $j2 = $group[$lastItem][4]; + + if($i2 - $i1 >= 2) { + $diff .= '*** '.($group[0][1] + 1).','.$i2." ****".PHP_EOL; + } + else { + $diff .= '*** '.$i2." ****\n"; + } + + if($j2 - $j1 >= 2) { + $separator = '--- '.($j1 + 1).','.$j2." ----".PHP_EOL; + } + else { + $separator = '--- '.$j2." ----".PHP_EOL; + } + + $hasVisible = false; + foreach($group as $code) { + if($code[0] == 'replace' || $code[0] == 'delete') { + $hasVisible = true; + break; + } + } + + if($hasVisible) { + foreach($group as $code) { + list($tag, $i1, $i2, $j1, $j2) = $code; + if($tag == 'insert') { + continue; + } + $diff .= $this->tagMap[$tag].' '.implode(PHP_EOL.$this->tagMap[$tag].' ', $this->diff->GetA($i1, $i2)).PHP_EOL; + } + } + + $hasVisible = false; + foreach($group as $code) { + if($code[0] == 'replace' || $code[0] == 'insert') { + $hasVisible = true; + break; + } + } + + $diff .= $separator; + + if($hasVisible) { + foreach($group as $code) { + list($tag, $i1, $i2, $j1, $j2) = $code; + if($tag == 'delete') { + continue; + } + $diff .= $this->tagMap[$tag].' '.implode(PHP_EOL.$this->tagMap[$tag].' ', $this->diff->GetB($j1, $j2)).PHP_EOL; + } + } + } + return $diff; + } +}
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