first commit

text_diff_render_html.php

@@ -0,0 +1,79 @@
+<?php
+
+require_once 'Text/Diff/Renderer.php';
+
+/**
+ * @package Text_Diff
+ */
+class Text_Diff_Renderer_html extends Text_Diff_Renderer {
+
+    /**
+     * Number of leading context "lines" to preserve.
+     */
+    var $_leading_context_lines = 4;
+
+    /**
+     * Number of trailing context "lines" to preserve.
+     */
+    var $_trailing_context_lines = 4;
+
+    function _blockHeader($xbeg, $xlen, $ybeg, $ylen) {
+        $this->_x = $xbeg;
+        $this->_y = $ybeg;
+    }
+
+    function _startBlock($header) {
+        return '<table class="diff">' . $header;
+    }
+
+    function _endBlock() {
+        return '</table>';
+    }
+
+    function _lines($lines, $xi = 1, $yi = 1, $op = '', $clazz = 'normal', $nofirst = false, $nolast = false) {
+        $r = '';
+        for ($i = 0; $i < count($lines); $i++) {
+            $line = $lines[$i];
+
+            $clazz1 = $clazz;
+            if ($i == 0 && $clazz1 != 'normal' && !$nofirst) {
+                $clazz1 .= ' first';
+            }
+            if ($i == count($lines)-1 && $clazz1 != 'normal' && !$nolast) {
+                $clazz1 .= ' last';
+            }
+
+            $r .= '<tr>';
+            $r .= '<th>'.($xi ? $this->_x : '').'</th>';
+            $r .= '<th>'.($yi ? $this->_y : '').'</th>';
+            $r .= '<th>'.$op.'</th>';
+            $r .= '<td class="'.$clazz1.'">'.htmlspecialchars($line).'</td>';
+            $r .= '</tr>';
+
+            $this->_x += $xi;
+            $this->_y += $yi;
+        }
+        return $r;
+    }
+
+    function _context($lines) {
+        return $this->_lines($lines);
+    }
+
+    function _added($lines)
+    {
+        return $this->_lines($lines, 0, 1, '+', 'added');
+    }
+
+    function _deleted($lines)
+    {
+        return $this->_lines($lines, 1, 0, '-', 'deleted');
+    }
+
+    function _changed($orig, $final)
+    {
+        return $this->_lines($orig, 1, 0, '-', 'deleted', false, true) . $this->_lines($final, 0, 1, '+', 'added', true, false);
+    }
+}
+
+?>