wp-reset / libs / diff / Renderer / Html / Inline.php

Inline.php in WP Reset 1.77, at libs/diff/Renderer/Html/Inline.php

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1	<?php
2	/**
3	* Inline HTML diff generator for PHP DiffLib.
4	*
5	* PHP version 5
6	*
7	* Copyright (c) 2009 Chris Boulton <chris.boulton@interspire.com>
8	*
9	* All rights reserved.
10	*
11	* Redistribution and use in source and binary forms, with or without
12	* modification, are permitted provided that the following conditions are met:
13	*
14	* - Redistributions of source code must retain the above copyright notice,
15	* this list of conditions and the following disclaimer.
16	* - Redistributions in binary form must reproduce the above copyright notice,
17	* this list of conditions and the following disclaimer in the documentation
18	* and/or other materials provided with the distribution.
19	* - Neither the name of the Chris Boulton nor the names of its contributors
20	* may be used to endorse or promote products derived from this software
21	* without specific prior written permission.
22	*
23	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
24	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
27	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33	* POSSIBILITY OF SUCH DAMAGE.
34	*
35	* @package DiffLib
36	* @author Chris Boulton <chris.boulton@interspire.com>
37	* @copyright (c) 2009 Chris Boulton
38	* @license New BSD License http://www.opensource.org/licenses/bsd-license.php
39	* @version 1.1
40	* @link http://github.com/chrisboulton/php-diff
41	*/
42
43	require_once dirname(__FILE__).'/Array.php';
44
45	class WPR_Diff_Renderer_Html_Inline extends WPR_Diff_Renderer_Html_Array
46	{
47	/**
48	* Render a and return diff with changes between the two sequences
49	* displayed inline (under each other)
50	*
51	* @return string The generated inline diff.
52	*/
53	public function render()
54	{
55	$changes = parent::render();
56	$html = '';
57	if(empty($changes)) {
58	return $html;
59	}
60
61	$html .= '<table class="Differences DifferencesInline">';
62	$html .= '<thead>';
63	$html .= '<tr>';
64	$html .= '<th>Old</th>';
65	$html .= '<th>New</th>';
66	$html .= '<th>Differences</th>';
67	$html .= '</tr>';
68	$html .= '</thead>';
69	foreach($changes as $i => $blocks) {
70	// If this is a separate block, we're condensing code so output ...,
71	// indicating a significant portion of the code has been collapsed as
72	// it is the same
73	if($i > 0) {
74	$html .= '<tbody class="Skipped">';
75	$html .= '<th>…</th>';
76	$html .= '<th>…</th>';
77	$html .= '<td> </td>';
78	$html .= '</tbody>';
79	}
80
81	foreach($blocks as $change) {
82	$html .= '<tbody class="Change'.ucfirst($change['tag']).'">';
83	// Equal changes should be shown on both sides of the diff
84	if($change['tag'] == 'equal') {
85	foreach($change['base']['lines'] as $no => $line) {
86	$fromLine = $change['base']['offset'] + $no + 1;
87	$toLine = $change['changed']['offset'] + $no + 1;
88	$html .= '<tr>';
89	$html .= '<th>'.$fromLine.'</th>';
90	$html .= '<th>'.$toLine.'</th>';
91	$html .= '<td class="Left">'.$line.'</td>';
92	$html .= '</tr>';
93	}
94	}
95	// Added lines only on the right side
96	else if($change['tag'] == 'insert') {
97	foreach($change['changed']['lines'] as $no => $line) {
98	$toLine = $change['changed']['offset'] + $no + 1;
99	$html .= '<tr>';
100	$html .= '<th> </th>';
101	$html .= '<th>'.$toLine.'</th>';
102	$html .= '<td class="Right"><ins>'.$line.'</ins> </td>';
103	$html .= '</tr>';
104	}
105	}
106	// Show deleted lines only on the left side
107	else if($change['tag'] == 'delete') {
108	foreach($change['base']['lines'] as $no => $line) {
109	$fromLine = $change['base']['offset'] + $no + 1;
110	$html .= '<tr>';
111	$html .= '<th>'.$fromLine.'</th>';
112	$html .= '<th> </th>';
113	$html .= '<td class="Left"><del>'.$line.'</del> </td>';
114	$html .= '</tr>';
115	}
116	}
117	// Show modified lines on both sides
118	else if($change['tag'] == 'replace') {
119	foreach($change['base']['lines'] as $no => $line) {
120	$fromLine = $change['base']['offset'] + $no + 1;
121	$html .= '<tr>';
122	$html .= '<th>'.$fromLine.'</th>';
123	$html .= '<th> </th>';
124	$html .= '<td class="Left"><span>'.$line.'</span></td>';
125	$html .= '</tr>';
126	}
127
128	foreach($change['changed']['lines'] as $no => $line) {
129	$toLine = $change['changed']['offset'] + $no + 1;
130	$html .= '<tr>';
131	$html .= '<th> </th>';
132	$html .= '<th>'.$toLine.'</th>';
133	$html .= '<td class="Right"><span>'.$line.'</span></td>';
134	$html .= '</tr>';
135	}
136	}
137	$html .= '</tbody>';
138	}
139	}
140	$html .= '</table>';
141	return $html;
142	}
143	}
144