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Diffstat (limited to 'js/codemirror/mode/yaml/yaml.js')
-rw-r--r--js/codemirror/mode/yaml/yaml.js95
1 files changed, 95 insertions, 0 deletions
diff --git a/js/codemirror/mode/yaml/yaml.js b/js/codemirror/mode/yaml/yaml.js
new file mode 100644
index 00000000..59e2641a
--- /dev/null
+++ b/js/codemirror/mode/yaml/yaml.js
@@ -0,0 +1,95 @@
1CodeMirror.defineMode("yaml", function() {
2
3 var cons = ['true', 'false', 'on', 'off', 'yes', 'no'];
4 var keywordRegex = new RegExp("\\b(("+cons.join(")|(")+"))$", 'i');
5
6 return {
7 token: function(stream, state) {
8 var ch = stream.peek();
9 var esc = state.escaped;
10 state.escaped = false;
11 /* comments */
12 if (ch == "#") { stream.skipToEnd(); return "comment"; }
13 if (state.literal && stream.indentation() > state.keyCol) {
14 stream.skipToEnd(); return "string";
15 } else if (state.literal) { state.literal = false; }
16 if (stream.sol()) {
17 state.keyCol = 0;
18 state.pair = false;
19 state.pairStart = false;
20 /* document start */
21 if(stream.match(/---/)) { return "def"; }
22 /* document end */
23 if (stream.match(/\.\.\./)) { return "def"; }
24 /* array list item */
25 if (stream.match(/\s*-\s+/)) { return 'meta'; }
26 }
27 /* pairs (associative arrays) -> key */
28 if (!state.pair && stream.match(/^\s*([a-z0-9\._-])+(?=\s*:)/i)) {
29 state.pair = true;
30 state.keyCol = stream.indentation();
31 return "atom";
32 }
33 if (state.pair && stream.match(/^:\s*/)) { state.pairStart = true; return 'meta'; }
34
35 /* inline pairs/lists */
36 if (stream.match(/^(\{|\}|\[|\])/)) {
37 if (ch == '{')
38 state.inlinePairs++;
39 else if (ch == '}')
40 state.inlinePairs--;
41 else if (ch == '[')
42 state.inlineList++;
43 else
44 state.inlineList--;
45 return 'meta';
46 }
47
48 /* list seperator */
49 if (state.inlineList > 0 && !esc && ch == ',') {
50 stream.next();
51 return 'meta';
52 }
53 /* pairs seperator */
54 if (state.inlinePairs > 0 && !esc && ch == ',') {
55 state.keyCol = 0;
56 state.pair = false;
57 state.pairStart = false;
58 stream.next();
59 return 'meta';
60 }
61
62 /* start of value of a pair */
63 if (state.pairStart) {
64 /* block literals */
65 if (stream.match(/^\s*(\||\>)\s*/)) { state.literal = true; return 'meta'; };
66 /* references */
67 if (stream.match(/^\s*(\&|\*)[a-z0-9\._-]+\b/i)) { return 'variable-2'; }
68 /* numbers */
69 if (state.inlinePairs == 0 && stream.match(/^\s*-?[0-9\.\,]+\s?$/)) { return 'number'; }
70 if (state.inlinePairs > 0 && stream.match(/^\s*-?[0-9\.\,]+\s?(?=(,|}))/)) { return 'number'; }
71 /* keywords */
72 if (stream.match(keywordRegex)) { return 'keyword'; }
73 }
74
75 /* nothing found, continue */
76 state.pairStart = false;
77 state.escaped = (ch == '\\');
78 stream.next();
79 return null;
80 },
81 startState: function() {
82 return {
83 pair: false,
84 pairStart: false,
85 keyCol: 0,
86 inlinePairs: 0,
87 inlineList: 0,
88 literal: false,
89 escaped: false
90 };
91 }
92 };
93});
94
95CodeMirror.defineMIME("text/x-yaml", "yaml");