Changeset 975:8d003494d2f5 for inc

Timestamp:

11/07/12 11:04:09 (13 years ago)

Author:

franck <carnet.franck.paul@…>

Branch:

default

Message:

Smileys are not more converted in image in pre,code,kbd,script and math contents, fixes #1029

File:

• inc/public/lib.tpl.context.php (modified) (1 diff)

inc/public/lib.tpl.context.php

@@ -348 +348 @@
                return $str;
           }
-          
-          return preg_replace(array_keys($GLOBALS['__smilies']),array_values($GLOBALS['__smilies']),$str);
-     }
+
+          # Process part adapted from SmartyPants engine (J. Gruber et al.) :
+
+          $tokens = self::tokenizeHTML($str);
+          $result = '';
+          $in_pre = 0;  # Keep track of when we're inside <pre> or <code> tags.
+
+          foreach ($tokens as $cur_token) {
+               if ($cur_token[0] == "tag") {
+                    # Don't mess with quotes inside tags.
+                    $result .= $cur_token[1];
+                    if (preg_match('@<(/?)(?:pre|code|kbd|script|math)[\s>]@', $cur_token[1], $matches)) {
+                         $in_pre = isset($matches[1]) && $matches[1] == '/' ? 0 : 1;
+                    }
+               } else {
+                    $t = $cur_token[1];
+                    if (!$in_pre) {
+                         $t = preg_replace(array_keys($GLOBALS['__smilies']),array_values($GLOBALS['__smilies']),$t);
+                    }
+                    $result .= $t;
+               }
+          }
+
+          return $result;
+     }
+
+     private static function tokenizeHTML($str)
+     {
+          # Function from SmartyPants engine (J. Gruber et al.)
+          #
+          #   Parameter:  String containing HTML markup.
+          #   Returns:    An array of the tokens comprising the input
+          #               string. Each token is either a tag (possibly with nested,
+          #               tags contained therein, such as <a href="<MTFoo>">, or a
+          #               run of text between tags. Each element of the array is a
+          #               two-element array; the first is either 'tag' or 'text';
+          #               the second is the actual value.
+          #
+          #
+          #   Regular expression derived from the _tokenize() subroutine in 
+          #   Brad Choate's MTRegex plugin.
+          #   <http://www.bradchoate.com/past/mtregex.php>
+          #
+          $index = 0;
+          $tokens = array();
+
+          $match = '(?s:<!(?:--.*?--\s*)+>)|'.    # comment
+                     '(?s:<\?.*?\?>)|'.                # processing instruction
+                                                            # regular tags
+                     '(?:<[/!$]?[-a-zA-Z0-9:]+\b(?>[^"\'>]+|"[^"]*"|\'[^\']*\')*>)'; 
+
+          $parts = preg_split("{($match)}", $str, -1, PREG_SPLIT_DELIM_CAPTURE);
+
+          foreach ($parts as $part) {
+               if (++$index % 2 && $part != '') 
+                    $tokens[] = array('text', $part);
+               else
+                    $tokens[] = array('tag', $part);
+          }
+          return $tokens;
+     }
+
 
      # First post image helpers