solr.js
2.62 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
// 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");
});