Fixes Bug 31865 - Tag <dws> for discarding whitespaces.

[lhc/web/wiklou.git] / includes / parser / Preprocessor_Hash.php

diff --git a/includes/parser/Preprocessor_Hash.php b/includes/parser/Preprocessor_Hash.php
index 2934181..ad5155b 100644 (file)
--- a/includes/parser/Preprocessor_Hash.php
+++ b/includes/parser/Preprocessor_Hash.php
@@ -153,6 +153,9 @@ class Preprocessor_Hash implements Preprocessor {
                        $ignoredElements = array( 'includeonly' );
                        $xmlishElements[] = 'includeonly';
                }
+               // `dws' stands for "discard white spaces". `<dws>' and all the whitespaces afer it are
+               // discarded.
+               $xmlishElements[] = 'dws';
                $xmlishRegex = implode( '|', array_merge( $xmlishElements, $ignoredTags ) );
 
                // Use "A" modifier (anchored) instead of "^", because ^ doesn't work with an offset
@@ -350,6 +353,17 @@ class Preprocessor_Hash implements Preprocessor {
                                }
 
                                $tagStartPos = $i;
+
+                               // Handle tag dws.
+                               if ( $name == 'dws' ) {
+                                       $i = $tagEndPos + 1;
+                                       if ( preg_match( '/\s*/', $text, $matches, 0, $i ) ) {
+                                               $i += strlen( $matches[0] );
+                                       }
+                                       $accum->addNodeWithText( 'ignore', substr( $text, $tagStartPos, $i - $tagStartPos ) );
+                                       continue;
+                               }
+
                                if ( $text[$tagEndPos-1] == '/' ) {
                                        // Short end tag
                                        $attrEnd = $tagEndPos - 1;