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