Changeset 9612

Timestamp:

03/20/2020 04:01:26 AM (5 years ago)

Author:

dd32

Message:

Support Forums: Support Trac and Slack style code blocks.

This adds support for Trac Code and Slack Code blocks.

Upon editing, the blocks will be shown as bbPress Code blocks.

Fixes #2260.

File:

• sites/trunk/wordpress.org/public_html/wp-content/plugins/support-forums/inc/class-hooks.php (modified) (2 diffs)

sites/trunk/wordpress.org/public_html/wp-content/plugins/support-forums/inc/class-hooks.php

@@ -110 +110 @@
         add_filter( 'request', array( $this, 'ignore_empty_query_vars' ) );
 
+        // Support ```...``` and {{{...}}} for code blocks.
+        add_filter( 'bbp_new_reply_pre_content',  array( $this, 'support_slack_trac_code_trick' ),  19 );
+        add_filter( 'bbp_new_topic_pre_content',  array( $this, 'support_slack_trac_code_trick' ),  19 );
+        add_filter( 'bbp_new_forum_pre_content',  array( $this, 'support_slack_trac_code_trick' ),  19 );
+        add_filter( 'bbp_edit_reply_pre_content', array( $this, 'support_slack_trac_code_trick' ),  19 );
+        add_filter( 'bbp_edit_topic_pre_content', array( $this, 'support_slack_trac_code_trick' ),  19 );
+        add_filter( 'bbp_edit_forum_pre_content', array( $this, 'support_slack_trac_code_trick' ),  19 );
     }
 
@@ -1103 +1110 @@
     }
 
+    /**
+     * Add support for Slack and Trac style code formatting.
+     * 
+     * Upon edit, the blocks will be unwrapped to bbPress style blocks.
+     * 
+     * See `bbp_code_trick()` for the regex below.
+     */
+    function support_slack_trac_code_trick( $content ) {
+        $content = str_replace( array( "\r\n", "\r" ), "\n", $content );
+
+        // Slack style ```...``` Inline and Multiline.
+        $content = preg_replace_callback( '|(`)``(.*?)```|', 'bbp_encode_callback', $content );
+        $content = preg_replace_callback( "!(^|\n)```(.*?)```!s", 'bbp_encode_callback', $content );
+
+        // Trac style {{{...}}} Inline and Multiline.
+        $content = preg_replace_callback( '|({){{(.*?)}}}|', function( $matches ) {
+             // bbPress expects `...` for inline code blocks.
+            $matches[1] = '`';
+            return bbp_encode_callback( $matches );
+        }, $content );
+        $content = preg_replace_callback( "!(^|\n){{{(.*?)}}}!s", 'bbp_encode_callback', $content );
+
+        return $content;
+    }
 }