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129 lines
4.0 KiB
129 lines
4.0 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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/**
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* "Side-by-Side" diff renderer.
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*
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* This class renders the diff in "side-by-side" format, like Wikipedia.
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*
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* @package Text_Diff
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*/
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class Text_Diff_Renderer_sidebyside extends Tiki_Text_Diff_Renderer
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{
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public function __construct($context_lines = 4, $words = 1)
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{
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$this->_leading_context_lines = $context_lines;
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$this->_trailing_context_lines = $context_lines;
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$this->_words = $words;
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}
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protected function _startDiff()
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{
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ob_start();
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//echo '<table class="table-bordered diff">';
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}
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protected function _endDiff()
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{
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$val = ob_get_contents();
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ob_end_clean();
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return $val;
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}
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protected function _blockHeader($xbeg, $xlen, $ybeg, $ylen)
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{
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return "$xbeg,$xlen,$ybeg,$ylen";
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}
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protected function _startBlock($header)
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{
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$h = explode(",", $header);
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echo '<tr class="diffheader"><td colspan="2">';
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if ($h[1] == 1) {
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echo tra('Line:') . " " . $h[0];
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} else {
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$h[1] = $h[0] + $h[1] - 1;
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echo tra('Lines:') . " " . $h[0] . '-' . $h[1];
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}
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echo '</td><td colspan="2">';
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if ($h[3] == 1) {
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echo tra('Line:') . " " . $h[2];
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} else {
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$h[3] = $h[2] + $h[3] - 1;
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echo tra('Lines:') . " " . $h[2] . '-' . $h[3];
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}
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echo '</td></tr>';
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}
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protected function _endBlock()
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{
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}
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protected function _lines($lines, $prefix = '', $suffix = '', $type = '')
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{
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// MODIFIED BY THE TIKI PROJECT
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if ($type == 'context') {
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foreach ($lines as $line) {
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if (! empty($line)) {
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echo "<tr class='diffbody'><td> </td><td>" . htmlspecialchars($line) . "</td><td> </td><td>" . htmlspecialchars($line) . "</td></tr>\n";
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}
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}
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} elseif ($type == 'added') {
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foreach ($lines as $line) {
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if (! empty($line)) {
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echo "<tr><td colspan='2'> </td><td class='diffadded'>$prefix</td><td class='diffadded'>" . htmlspecialchars($line) . "</td></tr>\n";
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}
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}
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} elseif ($type == 'deleted') {
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foreach ($lines as $line) {
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if (! empty($line)) {
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echo "<tr><td class='diffdeleted'>$prefix</td><td class='diffdeleted'>" . htmlspecialchars($line) . "</td><td colspan='2'> </td></tr>\n";
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}
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}
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} elseif ($type == 'change-deleted') {
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echo '<tr><td class="diffdeleted">' . $prefix . '</td><td class="diffdeleted">' . implode("<br />", $lines) . "</td>\n";
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} elseif ($type == 'change-added') {
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echo '<td class="diffadded">' . $prefix . '</td><td class="diffadded">' . implode("<br />", $lines) . "</td></tr>\n";
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}
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}
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protected function _context($lines)
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{
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$this->_lines($lines, '', '', 'context');
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}
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protected function _added($lines, $changemode = false)
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{
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if ($changemode) {
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$this->_lines($lines, '+', '', 'change-added');
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} else {
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$this->_lines($lines, '+', '', 'added');
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}
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}
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protected function _deleted($lines, $changemode = false)
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{
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if ($changemode) {
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$this->_lines($lines, '-', '', 'change-deleted');
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} else {
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$this->_lines($lines, '-', '', 'deleted');
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}
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}
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protected function _changed($orig, $final)
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{
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$lines = diffChar($orig, $final, $this->_words);
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$this->_deleted([$lines[0]], true);
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$this->_added([$lines[1]], true);
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/* switch with these lines for no character diff
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$this->_deleted($orig, TRUE);
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$this->_added($final, TRUE);
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*/
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}
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}
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