includes/diffengine/Renderer/unified.php
author Dan
Wed, 26 Mar 2008 02:56:23 -0400
changeset 509 175df10e0b56
parent 1 fe660c52c48f
child 1227 bdac73ed481e
permissions -rw-r--r--
Added a copy of Firebug Lite for debugging purposes. License is uncertain but being treated as MPL. (If is is not MPL then it is under something more permissive that permits relicensing anyway)
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<?php
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/**
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 * "Unified" diff renderer.
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 *
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 * This class renders the diff in classic "unified diff" format.
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 *
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 * $Horde: framework/Text_Diff/Diff/Renderer/unified.php,v 1.5 2006/01/08 00:06:57 jan Exp $
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 *
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 * @package Text_Diff
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 */
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class Text_Diff_Renderer_unified extends Text_Diff_Renderer {
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    /**
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     * Number of leading context "lines" to preserve.
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     */
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    var $_leading_context_lines = 4;
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    /**
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     * Number of trailing context "lines" to preserve.
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     */
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    var $_trailing_context_lines = 4;
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    function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
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    {
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        if ($xlen != 1) {
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            $xbeg .= ',' . $xlen;
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        }
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        if ($ylen != 1) {
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            $ybeg .= ',' . $ylen;
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        }
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        return "@@ -$xbeg +$ybeg @@";
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    }
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    function _added($lines)
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    {
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        return $this->_lines($lines, '+');
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    }
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    function _deleted($lines)
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    {
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        return $this->_lines($lines, '-');
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    }
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    function _changed($orig, $final)
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    {
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        return $this->_deleted($orig) . $this->_added($final);
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    }
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}