velocity.js
6.91 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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
// 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("velocity", function() {
function parseWords(str) {
var obj = {}, words = str.split(" ");
for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
return obj;
}
var keywords = parseWords("#end #else #break #stop #[[ #]] " +
"#{end} #{else} #{break} #{stop}");
var functions = parseWords("#if #elseif #foreach #set #include #parse #macro #define #evaluate " +
"#{if} #{elseif} #{foreach} #{set} #{include} #{parse} #{macro} #{define} #{evaluate}");
var specials = parseWords("$foreach.count $foreach.hasNext $foreach.first $foreach.last $foreach.topmost $foreach.parent.count $foreach.parent.hasNext $foreach.parent.first $foreach.parent.last $foreach.parent $velocityCount $!bodyContent $bodyContent");
var isOperatorChar = /[+\-*&%=<>!?:\/|]/;
function chain(stream, state, f) {
state.tokenize = f;
return f(stream, state);
}
function tokenBase(stream, state) {
var beforeParams = state.beforeParams;
state.beforeParams = false;
var ch = stream.next();
// start of unparsed string?
if ((ch == "'") && state.inParams) {
state.lastTokenWasBuiltin = false;
return chain(stream, state, tokenString(ch));
}
// start of parsed string?
else if ((ch == '"')) {
state.lastTokenWasBuiltin = false;
if (state.inString) {
state.inString = false;
return "string";
}
else if (state.inParams)
return chain(stream, state, tokenString(ch));
}
// is it one of the special signs []{}().,;? Seperator?
else if (/[\[\]{}\(\),;\.]/.test(ch)) {
if (ch == "(" && beforeParams)
state.inParams = true;
else if (ch == ")") {
state.inParams = false;
state.lastTokenWasBuiltin = true;
}
return null;
}
// start of a number value?
else if (/\d/.test(ch)) {
state.lastTokenWasBuiltin = false;
stream.eatWhile(/[\w\.]/);
return "number";
}
// multi line comment?
else if (ch == "#" && stream.eat("*")) {
state.lastTokenWasBuiltin = false;
return chain(stream, state, tokenComment);
}
// unparsed content?
else if (ch == "#" && stream.match(/ *\[ *\[/)) {
state.lastTokenWasBuiltin = false;
return chain(stream, state, tokenUnparsed);
}
// single line comment?
else if (ch == "#" && stream.eat("#")) {
state.lastTokenWasBuiltin = false;
stream.skipToEnd();
return "comment";
}
// variable?
else if (ch == "$") {
stream.eatWhile(/[\w\d\$_\.{}]/);
// is it one of the specials?
if (specials && specials.propertyIsEnumerable(stream.current())) {
return "keyword";
}
else {
state.lastTokenWasBuiltin = true;
state.beforeParams = true;
return "builtin";
}
}
// is it a operator?
else if (isOperatorChar.test(ch)) {
state.lastTokenWasBuiltin = false;
stream.eatWhile(isOperatorChar);
return "operator";
}
else {
// get the whole word
stream.eatWhile(/[\w\$_{}@]/);
var word = stream.current();
// is it one of the listed keywords?
if (keywords && keywords.propertyIsEnumerable(word))
return "keyword";
// is it one of the listed functions?
if (functions && functions.propertyIsEnumerable(word) ||
(stream.current().match(/^#@?[a-z0-9_]+ *$/i) && stream.peek()=="(") &&
!(functions && functions.propertyIsEnumerable(word.toLowerCase()))) {
state.beforeParams = true;
state.lastTokenWasBuiltin = false;
return "keyword";
}
if (state.inString) {
state.lastTokenWasBuiltin = false;
return "string";
}
if (stream.pos > word.length && stream.string.charAt(stream.pos-word.length-1)=="." && state.lastTokenWasBuiltin)
return "builtin";
// default: just a "word"
state.lastTokenWasBuiltin = false;
return null;
}
}
function tokenString(quote) {
return function(stream, state) {
var escaped = false, next, end = false;
while ((next = stream.next()) != null) {
if ((next == quote) && !escaped) {
end = true;
break;
}
if (quote=='"' && stream.peek() == '$' && !escaped) {
state.inString = true;
end = true;
break;
}
escaped = !escaped && next == "\\";
}
if (end) state.tokenize = tokenBase;
return "string";
};
}
function tokenComment(stream, state) {
var maybeEnd = false, ch;
while (ch = stream.next()) {
if (ch == "#" && maybeEnd) {
state.tokenize = tokenBase;
break;
}
maybeEnd = (ch == "*");
}
return "comment";
}
function tokenUnparsed(stream, state) {
var maybeEnd = 0, ch;
while (ch = stream.next()) {
if (ch == "#" && maybeEnd == 2) {
state.tokenize = tokenBase;
break;
}
if (ch == "]")
maybeEnd++;
else if (ch != " ")
maybeEnd = 0;
}
return "meta";
}
// Interface
return {
startState: function() {
return {
tokenize: tokenBase,
beforeParams: false,
inParams: false,
inString: false,
lastTokenWasBuiltin: false
};
},
token: function(stream, state) {
if (stream.eatSpace()) return null;
return state.tokenize(stream, state);
},
blockCommentStart: "#*",
blockCommentEnd: "*#",
lineComment: "##",
fold: "velocity"
};
});
CodeMirror.defineMIME("text/velocity", "velocity");
});