a4e230dcce
git-svn-id: https://plugins.svn.wordpress.org/prismatic/trunk@1521267 b8457f37-d9ea-0310-8a92-e5e31aec5664
179 lines
4.2 KiB
PHP
179 lines
4.2 KiB
PHP
<?php // Prismatic - Core Functions
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if (!defined('ABSPATH')) exit;
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function prismatic_load_library() {
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global $prismatic_options_general;
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if (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'prism') {
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require_once PRISMATIC_DIR .'lib/prism/prism.php';
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} elseif (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'highlight') {
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require_once PRISMATIC_DIR .'lib/highlight/highlight.php';
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} elseif (isset($prismatic_options_general['library']) && $prismatic_options_general['library'] === 'plain') {
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require_once PRISMATIC_DIR .'lib/plain/plain.php';
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}
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}
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function prismatic_encode($text) {
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$output = '';
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$split = preg_split("/(<code[^>]*>.*<\/code>)/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
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$count = count($split);
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for ($i = 0; $i < $count; $i++) {
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$content = $split[$i];
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if (preg_match("/^<code([^>]*)>(.*)<\/code>/Us", $content, $code)) {
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$atts = str_replace(array("'", "\""), "%%", $code[1]);
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$content = '[prismatic_encoded'. $atts .']'. base64_encode($code[2]) .'[/prismatic_encoded]';
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}
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$output .= $content;
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}
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return $output;
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}
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function prismatic_decode($text, $replace = false) {
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$output = '';
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$split = preg_split("/(\[prismatic_encoded.*\].*\[\/prismatic_encoded\])/Us", $text, -1, PREG_SPLIT_DELIM_CAPTURE);
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$count = count($split);
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for ($i = 0; $i < $count; $i++) {
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$content = $split[$i];
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if (preg_match("/^\[prismatic_encoded(.*)\](.*)\[\/prismatic_encoded\]/Us", $content, $code)) {
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$content = base64_decode($code[2]);
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if ($replace) {
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$content = preg_replace("/\r/", "", $content);
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$content = preg_replace("/^\s*?\n/", "\n", $content);
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$content = preg_replace("/&/", "&", $content);
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$content = preg_replace("/</", "<", $content);
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$content = preg_replace("/>/", ">", $content);
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}
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$atts = str_replace("%%", "\"", $code[1]);
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$content = '<code'. $atts .'>'. $content .'</code>';
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}
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$output .= $content;
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}
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return $output;
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}
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function prismatic_decode_replace($text) {
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return prismatic_decode($text, true);
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}
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function prismatic_check_admin($library, $filter) {
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$settings = 'prismatic_options_'. $library;
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global ${$settings};
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$setting = 'filter_'. $filter;
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$option = isset(${$settings}[$setting]) ? ${$settings}[$setting] : false;
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if ($option === 'admin' || $option === 'both') return true;
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return false;
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}
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function prismatic_check_front($library, $filter) {
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$settings = 'prismatic_options_'. $library;
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global ${$settings};
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$setting = 'filter_'. $filter;
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$option = isset(${$settings}[$setting]) ? ${$settings}[$setting] : false;
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if ($option === 'front' || $option === 'both') return true;
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return false;
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}
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function prismatic_add_filters() {
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global $prismatic_options_general;
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$library = (isset($prismatic_options_general['library'])) ? $prismatic_options_general['library'] : 'none';
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if (prismatic_check_admin($library, 'content')) {
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add_filter('content_save_pre', 'prismatic_encode', 33);
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add_filter('content_save_pre', 'prismatic_decode', 77);
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}
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if (prismatic_check_front($library, 'content')) {
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add_filter('the_content', 'prismatic_encode', 1);
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add_filter('the_content', 'prismatic_decode_replace', 99);
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}
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if (prismatic_check_admin($library, 'excerpts')) {
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add_filter('excerpt_save_pre', 'prismatic_encode', 33);
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add_filter('excerpt_save_pre', 'prismatic_decode', 77);
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}
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if (prismatic_check_front($library, 'excerpts')) {
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add_filter('the_excerpt', 'prismatic_encode', 1);
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add_filter('the_excerpt', 'prismatic_decode_replace', 99);
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}
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if (prismatic_check_admin($library, 'comments')) {
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add_filter('pre_comment_content', 'prismatic_encode', 3);
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add_filter('pre_comment_content', 'prismatic_decode', 33);
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add_filter('comment_save_pre', 'prismatic_encode', 33);
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add_filter('comment_save_pre', 'prismatic_decode', 77);
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}
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if (prismatic_check_front($library, 'comments')) {
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add_filter('comment_text', 'prismatic_encode', 1);
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add_filter('comment_text', 'prismatic_decode_replace', 99);
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}
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}
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