1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
2 // Distributed under an MIT license: http://codemirror.net/LICENSE
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
11 })(function(CodeMirror) {
14 CodeMirror.defineMode("yaml", function() {
16 var cons = ['true', 'false', 'on', 'off', 'yes', 'no'];
17 var keywordRegex = new RegExp("\\b(("+cons.join(")|(")+"))$", 'i');
20 token: function(stream, state) {
21 var ch = stream.peek();
22 var esc = state.escaped;
23 state.escaped = false;
25 if (ch == "#" && (stream.pos == 0 || /\s/.test(stream.string.charAt(stream.pos - 1)))) {
30 if (stream.match(/^('([^']|\\.)*'?|"([^"]|\\.)*"?)/))
33 if (state.literal && stream.indentation() > state.keyCol) {
34 stream.skipToEnd(); return "string";
35 } else if (state.literal) { state.literal = false; }
39 state.pairStart = false;
41 if(stream.match(/---/)) { return "def"; }
43 if (stream.match(/\.\.\./)) { return "def"; }
45 if (stream.match(/\s*-\s+/)) { return 'meta'; }
47 /* inline pairs/lists */
48 if (stream.match(/^(\{|\}|\[|\])/)) {
61 if (state.inlineList > 0 && !esc && ch == ',') {
66 if (state.inlinePairs > 0 && !esc && ch == ',') {
69 state.pairStart = false;
74 /* start of value of a pair */
75 if (state.pairStart) {
77 if (stream.match(/^\s*(\||\>)\s*/)) { state.literal = true; return 'meta'; };
79 if (stream.match(/^\s*(\&|\*)[a-z0-9\._-]+\b/i)) { return 'variable-2'; }
81 if (state.inlinePairs == 0 && stream.match(/^\s*-?[0-9\.\,]+\s?$/)) { return 'number'; }
82 if (state.inlinePairs > 0 && stream.match(/^\s*-?[0-9\.\,]+\s?(?=(,|}))/)) { return 'number'; }
84 if (stream.match(keywordRegex)) { return 'keyword'; }
87 /* pairs (associative arrays) -> key */
88 if (!state.pair && stream.match(/^\s*(?:[,\[\]{}&*!|>'"%@`][^\s'":]|[^,\[\]{}#&*!|>'"%@`])[^#]*?(?=\s*:($|\s))/)) {
90 state.keyCol = stream.indentation();
93 if (state.pair && stream.match(/^:\s*/)) { state.pairStart = true; return 'meta'; }
95 /* nothing found, continue */
96 state.pairStart = false;
97 state.escaped = (ch == '\\');
101 startState: function() {
115 CodeMirror.defineMIME("text/x-yaml", "yaml");