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mobile-query-three-www-live-playground-vendor-CodeMirror2-mode-sparql-sparql.js / js



  CodeMirror.defineMode("sparql", function(config) {
    var indentUnit = config.indentUnit;
    var curPunc;
  
    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 = /[*+\-<>=&|]/;
  
    function tokenBase(stream, state) {
      var ch = stream.next();
      curPunc = null;
      if (ch == "" || ch == "?") {
        stream.match(/^[\w\d]*/);
        return "variable-2";
      }
      else if (ch == "<" && !stream.match(/^[\s\u00a0=]/, false)) {
        stream.match(/^[^\s\u00a0>]*>?/);
        return "atom";
      }
      else if (ch == "\"" || ch == "'") {
        state.tokenize = tokenLiteral(ch);
        return state.tokenize(stream, state);
      }
      else if (/[{}\(\),\.;\[\]]/.test(ch)) {
        curPunc = ch;
        return null;
      }
      else if (ch == "#") {
        stream.skipToEnd();
        return "comment";
      }
      else if (operatorChars.test(ch)) {
        stream.eatWhile(operatorChars);
        return null;
      }
      else if (ch == ":") {
        stream.eatWhile(/[\w\d\._\-]/);
        return "atom";
      }
      else {
        stream.eatWhile(/[_\w\d]/);
        if (stream.eat(":")) {
          stream.eatWhile(/[\w\d_\-]/);
          return "atom";
        }
        var word = stream.current(), type;
        if (ops.test(word))
          return null;
        else if (keywords.test(word))
          return "keyword";
        else
          return "variable";
      }
    }
  
    function tokenLiteral(quote) {
      return function(stream, state) {
        var escaped = false, ch;
        while ((ch = stream.next()) != null) {
          if (ch == quote && !escaped) {
            state.tokenize = tokenBase;
            break;
          }
          escaped = !escaped && ch == "\\";
        }
        return "string";
      };
    }
  
    function pushContext(state, type, col) {
      state.context = {prev: state.context, indent: state.indent, col: col, type: type};
    }
    function popContext(state) {
      state.indent = state.context.indent;
      state.context = state.context.prev;
    }
  
    return {
      startState: function(base) {
        return {tokenize: tokenBase,
                context: null,
                indent: 0,
                col: 0};
      },
  
      token: function(stream, state) {
        if (stream.sol()) {
          if (state.context && state.context.align == null) state.context.align = false;
          state.indent = stream.indentation();
        }
        if (stream.eatSpace()) return null;
        var style = state.tokenize(stream, state);
  
        if (style != "comment" && state.context && state.context.align == null && state.context.type != "pattern") {
          state.context.align = true;
        }
  
        if (curPunc == "(") pushContext(state, ")", stream.column());
        else if (curPunc == "[") pushContext(state, "]", stream.column());
        else if (curPunc == "{") pushContext(state, "}", stream.column());
        else if (/[\]\}\)]/.test(curPunc)) {
          while (state.context && state.context.type == "pattern") popContext(state);
          if (state.context && curPunc == state.context.type) popContext(state);
        }
        else if (curPunc == "." && state.context && state.context.type == "pattern") popContext(state);
        else if (/atom|string|variable/.test(style) && state.context) {
          if (/[\}\]]/.test(state.context.type))
            pushContext(state, "pattern", stream.column());
          else if (state.context.type == "pattern" && !state.context.align) {
            state.context.align = true;
            state.context.col = stream.column();
          }
        }
        
        return style;
      },
  
      indent: function(state, textAfter) {
        var firstChar = textAfter && textAfter.charAt(0);
        var context = state.context;
        if (/[\]\}]/.test(firstChar))
          while (context && context.type == "pattern") context = context.prev;
  
        var closing = context && firstChar == context.type;
        if (!context)
          return 0;
        else if (context.type == "pattern")
          return context.col;
        else if (context.align)
          return context.col + (closing ? 0 : 1);
        else
          return context.indent + (closing ? 0 : indentUnit);
      }
    };
  });
  
  CodeMirror.defineMIME("application/x-sparql-query", "sparql");
  


(C) Æliens 04/09/2009

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