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files/syntax_highlight/prettify.js  view on Meta::CPAN

  var pr_chunkPattern = new RegExp(
      '[^<]+'  // A run of characters other than '<'
      + '|<\!--[\\s\\S]*?--\>'  // an HTML comment
      + '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>'  // a CDATA section
      // a probable tag that should not be highlighted
      + '|<\/?[a-zA-Z](?:[^>\"\']|\'[^\']*\'|\"[^\"]*\")*>'
      + '|<',  // A '<' that does not begin a larger chunk
      'g');
  var pr_commentPrefix = /^<\!--/;
  var pr_cdataPrefix = /^<!\[CDATA\[/;
  var pr_brPrefix = /^<br\b/i;
  var pr_tagNameRe = /^<(\/?)([a-zA-Z][a-zA-Z0-9]*)/;

  /** split markup into chunks of html tags (style null) and
    * plain text (style {@link #PR_PLAIN}), converting tags which are
    * significant for tokenization (<br>) into their textual equivalent.
    *
    * @param {string} s html where whitespace is considered significant.
    * @return {Object} source code and extracted tags.
    * @private

files/syntax_highlight/prettify.js  view on Meta::CPAN

    // PR_Tokens
    var matches = s.match(pr_chunkPattern);
    var sourceBuf = [];
    var sourceBufLen = 0;
    var extractedTags = [];
    if (matches) {
      for (var i = 0, n = matches.length; i < n; ++i) {
        var match = matches[i];
        if (match.length > 1 && match.charAt(0) === '<') {
          if (pr_commentPrefix.test(match)) { continue; }
          if (pr_cdataPrefix.test(match)) {
            // strip CDATA prefix and suffix.  Don't unescape since it's CDATA
            sourceBuf.push(match.substring(9, match.length - 3));
            sourceBufLen += match.length - 12;
          } else if (pr_brPrefix.test(match)) {
            // <br> tags are lexically significant so convert them to text.
            // This is undone later.
            sourceBuf.push('\n');
            ++sourceBufLen;
          } else {
            if (match.indexOf(PR_NOCODE) >= 0 && isNoCodeTag(match)) {