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backend/makest/js/plugins/codemirror/mode/solr/solr.js 2.62 KB
d1f8bd40   Alexey Boroda   first commit
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  // CodeMirror, copyright (c) by Marijn Haverbeke and others
  // Distributed under an MIT license: http://codemirror.net/LICENSE
  
  (function(mod) {
    if (typeof exports == "object" && typeof module == "object") // CommonJS
      mod(require("../../lib/codemirror"));
    else if (typeof define == "function" && define.amd) // AMD
      define(["../../lib/codemirror"], mod);
    else // Plain browser env
      mod(CodeMirror);
  })(function(CodeMirror) {
  "use strict";
  
  CodeMirror.defineMode("solr", function() {
    "use strict";
  
    var isStringChar = /[^\s\|\!\+\-\*\?\~\^\&\:\(\)\[\]\{\}\^\"\\]/;
    var isOperatorChar = /[\|\!\+\-\*\?\~\^\&]/;
    var isOperatorString = /^(OR|AND|NOT|TO)$/i;
  
    function isNumber(word) {
      return parseFloat(word, 10).toString() === word;
    }
  
    function tokenString(quote) {
      return function(stream, state) {
        var escaped = false, next;
        while ((next = stream.next()) != null) {
          if (next == quote && !escaped) break;
          escaped = !escaped && next == "\\";
        }
  
        if (!escaped) state.tokenize = tokenBase;
        return "string";
      };
    }
  
    function tokenOperator(operator) {
      return function(stream, state) {
        var style = "operator";
        if (operator == "+")
          style += " positive";
        else if (operator == "-")
          style += " negative";
        else if (operator == "|")
          stream.eat(/\|/);
        else if (operator == "&")
          stream.eat(/\&/);
        else if (operator == "^")
          style += " boost";
  
        state.tokenize = tokenBase;
        return style;
      };
    }
  
    function tokenWord(ch) {
      return function(stream, state) {
        var word = ch;
        while ((ch = stream.peek()) && ch.match(isStringChar) != null) {
          word += stream.next();
        }
  
        state.tokenize = tokenBase;
        if (isOperatorString.test(word))
          return "operator";
        else if (isNumber(word))
          return "number";
        else if (stream.peek() == ":")
          return "field";
        else
          return "string";
      };
    }
  
    function tokenBase(stream, state) {
      var ch = stream.next();
      if (ch == '"')
        state.tokenize = tokenString(ch);
      else if (isOperatorChar.test(ch))
        state.tokenize = tokenOperator(ch);
      else if (isStringChar.test(ch))
        state.tokenize = tokenWord(ch);
  
      return (state.tokenize != tokenBase) ? state.tokenize(stream, state) : null;
    }
  
    return {
      startState: function() {
        return {
          tokenize: tokenBase
        };
      },
  
      token: function(stream, state) {
        if (stream.eatSpace()) return null;
        return state.tokenize(stream, state);
      }
    };
  });
  
  CodeMirror.defineMIME("text/x-solr", "solr");
  
  });