1// CodeMirror, copyright (c) by Marijn Haverbeke and others
  2// Distributed under an MIT license: https://codemirror.net/LICENSE
  3
  4(function(mod) {
  5  if (typeof exports == "object" && typeof module == "object") // CommonJS
  6    mod(require("../../lib/codemirror"));
  7  else if (typeof define == "function" && define.amd) // AMD
  8    define(["../../lib/codemirror"], mod);
  9  else // Plain browser env
 10    mod(CodeMirror);
 11})(function(CodeMirror) {
 12"use strict";
 13
 14CodeMirror.defineMode("solr", function() {
 15  "use strict";
 16
 17  var isStringChar = /[^\s\|\!\+\-\*\?\~\^\&\:\(\)\[\]\{\}\"\\]/;
 18  var isOperatorChar = /[\|\!\+\-\*\?\~\^\&]/;
 19  var isOperatorString = /^(OR|AND|NOT|TO)$/i;
 20
 21  function isNumber(word) {
 22    return parseFloat(word).toString() === word;
 23  }
 24
 25  function tokenString(quote) {
 26    return function(stream, state) {
 27      var escaped = false, next;
 28      while ((next = stream.next()) != null) {
 29        if (next == quote && !escaped) break;
 30        escaped = !escaped && next == "\\";
 31      }
 32
 33      if (!escaped) state.tokenize = tokenBase;
 34      return "string";
 35    };
 36  }
 37
 38  function tokenOperator(operator) {
 39    return function(stream, state) {
 40      var style = "operator";
 41      if (operator == "+")
 42        style += " positive";
 43      else if (operator == "-")
 44        style += " negative";
 45      else if (operator == "|")
 46        stream.eat(/\|/);
 47      else if (operator == "&")
 48        stream.eat(/\&/);
 49      else if (operator == "^")
 50        style += " boost";
 51
 52      state.tokenize = tokenBase;
 53      return style;
 54    };
 55  }
 56
 57  function tokenWord(ch) {
 58    return function(stream, state) {
 59      var word = ch;
 60      while ((ch = stream.peek()) && ch.match(isStringChar) != null) {
 61        word += stream.next();
 62      }
 63
 64      state.tokenize = tokenBase;
 65      if (isOperatorString.test(word))
 66        return "operator";
 67      else if (isNumber(word))
 68        return "number";
 69      else if (stream.peek() == ":")
 70        return "field";
 71      else
 72        return "string";
 73    };
 74  }
 75
 76  function tokenBase(stream, state) {
 77    var ch = stream.next();
 78    if (ch == '"')
 79      state.tokenize = tokenString(ch);
 80    else if (isOperatorChar.test(ch))
 81      state.tokenize = tokenOperator(ch);
 82    else if (isStringChar.test(ch))
 83      state.tokenize = tokenWord(ch);
 84
 85    return (state.tokenize != tokenBase) ? state.tokenize(stream, state) : null;
 86  }
 87
 88  return {
 89    startState: function() {
 90      return {
 91        tokenize: tokenBase
 92      };
 93    },
 94
 95    token: function(stream, state) {
 96      if (stream.eatSpace()) return null;
 97      return state.tokenize(stream, state);
 98    }
 99  };
100});
101
102CodeMirror.defineMIME("text/x-solr", "solr");
103
104});