prismatic / inc / prismatic-core.php

prismatic-core.php in Prismatic 2.2, at inc/prismatic-core.php

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1	<?php // Prismatic - Core Functions
2
3	if (!defined('ABSPATH')) exit;
4
5	function prismatic_load_library() {
6
7	global $prismatic_options_general;
8
9	if (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'prism') {
10
11	require_once PRISMATIC_DIR .'lib/prism/prism.php';
12
13	} elseif (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'highlight') {
14
15	require_once PRISMATIC_DIR .'lib/highlight/highlight.php';
16
17	} elseif (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'plain') {
18
19	require_once PRISMATIC_DIR .'lib/plain/plain.php';
20
21	}
22
23	}
24
25	function prismatic_encode($text) {
26
27	$output = '';
28	$split = preg_split("/(<code[^>]>.<\/code>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
29	$count = count($split);
30
31	for ($i = 0; $i < $count; $i++) {
32
33	$content = $split[$i];
34
35	if (preg_match("/^<code([^>])>(.)<\/code>/Us", $content, $code)) {
36
37	$atts = str_replace(array("'", "\""), "%%", $code[1]);
38
39	$content = '[prismatic_encoded'. $atts .']'. base64_encode($code[2]) .'[/prismatic_encoded]';
40
41	}
42
43	$output .= $content;
44
45	}
46
47	return $output;
48
49	}
50
51	function prismatic_decode($text, $replace = false) {
52
53	$output = '';
54	$split = preg_split("/(\[prismatic_encoded.\].\[\/prismatic_encoded\])/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
55	$count = count($split);
56
57	for ($i = 0; $i < $count; $i++) {
58
59	$content = $split[$i];
60
61	if (preg_match("/^\[prismatic_encoded(.)\](.)\[\/prismatic_encoded\]/Us", $content, $code)) {
62
63	$content = base64_decode($code[2]);
64
65	if ($replace) {
66
67	$content = preg_replace("/\r/", "", $content);
68	$content = preg_replace("/^\s*?\n/", "\n", $content);
69	$content = preg_replace("/&/", "&", $content);
70	$content = preg_replace("/</", "<", $content);
71	$content = preg_replace("/>/", ">", $content);
72
73	}
74
75	$atts = str_replace("%%", "\"", $code[1]);
76
77	$content = '<code'. $atts .'>'. $content .'</code>';
78
79	}
80
81	$output .= $content;
82
83	}
84
85	return $output;
86
87	}
88
89	function prismatic_decode_replace($text) {
90
91	return prismatic_decode($text, true);
92
93	}
94
95	function prismatic_check_admin($library, $filter) {
96
97	$settings = 'prismatic_options_'. $library;
98
99	$setting = 'filter_'. $filter;
100
101	$options = prismatic_get_default_options($library);
102
103	$option = isset($options[$setting]) ? $options[$setting] : false;
104
105	if ($option === 'admin' \|\| $option === 'both') return true;
106
107	return false;
108
109	}
110
111	function prismatic_check_front($library, $filter) {
112
113	$settings = 'prismatic_options_'. $library;
114
115	$setting = 'filter_'. $filter;
116
117	$options = prismatic_get_default_options($library);
118
119	$option = isset($options[$setting]) ? $options[$setting] : false;
120
121	if ($option === 'front' \|\| $option === 'both') return true;
122
123	return false;
124
125	}
126
127	function prismatic_add_filters() {
128
129	global $prismatic_options_general;
130
131	$library = (isset($prismatic_options_general['library'])) ? $prismatic_options_general['library'] : 'none';
132
133	if (prismatic_check_admin($library, 'content')) {
134
135	add_filter('content_save_pre', 'prismatic_encode', 33);
136	add_filter('content_save_pre', 'prismatic_decode', 77);
137
138	}
139
140	if (prismatic_check_front($library, 'content')) {
141
142	add_filter('the_content', 'prismatic_encode', 1);
143	add_filter('the_content', 'prismatic_decode_replace', 3);
144
145	}
146
147	if (prismatic_check_admin($library, 'excerpts')) {
148
149	add_filter('excerpt_save_pre', 'prismatic_encode', 33);
150	add_filter('excerpt_save_pre', 'prismatic_decode', 77);
151
152	}
153
154	if (prismatic_check_front($library, 'excerpts')) {
155
156	add_filter('the_excerpt', 'prismatic_encode', 1);
157	add_filter('the_excerpt', 'prismatic_decode_replace', 99);
158
159	}
160
161	if (prismatic_check_admin($library, 'comments')) {
162
163	add_filter('pre_comment_content', 'prismatic_encode', 3);
164	add_filter('pre_comment_content', 'prismatic_decode', 33);
165
166	add_filter('comment_save_pre', 'prismatic_encode', 33);
167	add_filter('comment_save_pre', 'prismatic_decode', 77);
168
169	}
170
171	if (prismatic_check_front($library, 'comments')) {
172
173	add_filter('comment_text', 'prismatic_encode', 1);
174	add_filter('comment_text', 'prismatic_decode_replace', 99);
175
176	}
177
178	}
179
180	function prismatic_get_default_options($section) {
181
182	$options = '';
183
184	if ($section === 'general') {
185
186	global $prismatic_options_general;
187
188	$options = $prismatic_options_general;
189
190	} elseif ($section === 'prism') {
191
192	global $prismatic_options_prism;
193
194	$options = $prismatic_options_prism;
195
196	} elseif ($section === 'highlight') {
197
198	global $prismatic_options_highlight;
199
200	$options = $prismatic_options_highlight;
201
202	} elseif ($section === 'plain') {
203
204	global $prismatic_options_plain;
205
206	$options = $prismatic_options_plain;
207
208	}
209
210	return $options;
211
212	}
213