Web/kzcms/ckfinder/plugins/fileeditor/codemirror/js/parsesparql.js

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var SparqlParser = Editor.Parser = (function() {
  function wordRegexp(words) {
    return new RegExp("^(?:" + words.join("|") + ")$", "i");
  }
  var ops = wordRegexp(["str", "lang", "langmatches", "datatype", "bound", "sameterm", "isiri", "isuri",
                        "isblank", "isliteral", "union", "a"]);
  var keywords = wordRegexp(["base", "prefix", "select", "distinct", "reduced", "construct", "describe",
                             "ask", "from", "named", "where", "order", "limit", "offset", "filter", "optional",
                             "graph", "by", "asc", "desc"]);
  var operatorChars = /[*+\-<>=&|]/;

  var tokenizeSparql = (function() {
    function normal(source, setState) {
      var ch = source.next();
      if (ch == "$" || ch == "?") {
        source.nextWhileMatches(/[\w\d]/);
        return "sp-var";
      }
      else if (ch == "<" && !source.matches(/[\s\u00a0=]/)) {
        source.nextWhileMatches(/[^\s\u00a0>]/);
        if (source.equals(">")) source.next();
        return "sp-uri";
      }
      else if (ch == "\"" || ch == "'") {
        setState(inLiteral(ch));
        return null;
      }
      else if (/[{}\(\),\.;\[\]]/.test(ch)) {
        return "sp-punc";
      }
      else if (ch == "#") {
        while (!source.endOfLine()) source.next();
        return "sp-comment";
      }
      else if (operatorChars.test(ch)) {
        source.nextWhileMatches(operatorChars);
        return "sp-operator";
      }
      else if (ch == ":") {
        source.nextWhileMatches(/[\w\d\._\-]/);
        return "sp-prefixed";
      }
      else {
        source.nextWhileMatches(/[_\w\d]/);
        if (source.equals(":")) {
          source.next();
          source.nextWhileMatches(/[\w\d_\-]/);
          return "sp-prefixed";
        }
        var word = source.get(), type;
        if (ops.test(word))
          type = "sp-operator";
        else if (keywords.test(word))
          type = "sp-keyword";
        else
          type = "sp-word";
        return {style: type, content: word};
      }
    }