1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
<?php
define( 'PLUGIN_GUID_CK_CODEBLOCKS', 'ck_codeblocks' );
global $gLibertySystem;
$gLibertySystem->registerPlugin( PLUGIN_GUID_CK_CODEBLOCKS, [
'title' => 'CKEditor Code Block Conversion',
'description' => 'Converts {code} wiki blocks to <pre class="bwcode"> for CKEditor editing, and back on save.',
'auto_activate' => true,
'plugin_type' => FILTER_PLUGIN,
'prestore_function' => 'ckeditor_code_pre_to_wiki_filter',
]);
/**
* Convert {code params}...{/code} wiki markup to <pre class="bwcode"> for CKEditor.
* HTML-encodes the content so CKEditor preserves it as text (protects <?php etc. from PI stripping).
* Stores the original {code} params in data-bwcode-params for lossless round-trip.
*/
function ckeditor_code_wiki_to_pre( string $content ): string {
return preg_replace_callback(
'/\{code([^}]*)\}([\s\S]*?)\{\/code\}/i',
function( array $m ): string {
$params = trim( $m[1] );
$code = htmlspecialchars( $m[2], ENT_COMPAT | ENT_HTML5, 'UTF-8' );
$dataAttr = $params !== ''
? ' data-bwcode-params="' . htmlspecialchars( $params, ENT_COMPAT | ENT_HTML5, 'UTF-8' ) . '"'
: '';
return '<pre class="bwcode"' . $dataAttr . '>' . $code . '</pre>';
},
$content
);
}
/**
* Reverse of ckeditor_code_wiki_to_pre — called by the prestore filter.
* Converts <pre class="bwcode" data-bwcode-params="...">...</pre> back to {code ...}...{/code}.
*/
function ckeditor_code_pre_to_wiki( string $content ): string {
return preg_replace_callback(
'/<pre\b([^>]*?class="[^"]*\bbwcode\b[^"]*"[^>]*)>([\s\S]*?)<\/pre>/i',
function( array $m ): string {
$attrStr = $m[1];
// Strip any trailing <br> CKEditor appends inside <pre>
$raw = preg_replace( '/<br\s*\/?>\s*$/i', '', $m[2] );
$code = html_entity_decode( $raw, ENT_QUOTES | ENT_HTML5, 'UTF-8' );
$params = '';
if( preg_match( '/data-bwcode-params="([^"]*)"/', $attrStr, $pm ) ) {
$params = html_entity_decode( $pm[1], ENT_QUOTES | ENT_HTML5, 'UTF-8' );
}
$open = $params !== '' ? "{code $params}" : '{code}';
return $open . $code . '{/code}';
},
$content
);
}
function ckeditor_code_pre_to_wiki_filter( &$pData, &$pFilterHash, $pObject = null ): void {
if( !empty( $pData ) ) {
$pData = ckeditor_code_pre_to_wiki( $pData );
}
}
|
