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mobile/source/ext/codeMirror2/mode/yaml/yaml.js 2.61 KB
a1684257   Administrator   first commit
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  CodeMirror.defineMode("yaml", function() {
  	
  	var cons = ['true', 'false', 'on', 'off', 'yes', 'no'];
  	var keywordRegex = new RegExp("\\b(("+cons.join(")|(")+"))$", 'i');
  	
  	return {
  		token: function(stream, state) {
  			var ch = stream.peek();
  			var esc = state.escaped;
  			state.escaped = false;
  			/* comments */
  			if (ch == "#") { stream.skipToEnd(); return "comment"; }
  			if (state.literal && stream.indentation() > state.keyCol) {
  				stream.skipToEnd(); return "string";
  			} else if (state.literal) { state.literal = false; }
  			if (stream.sol()) {
  				state.keyCol = 0;
  				state.pair = false;
  				state.pairStart = false;
  				/* document start */
  				if(stream.match(/---/)) { return "def"; }
  				/* document end */
  				if (stream.match(/\.\.\./)) { return "def"; }
  				/* array list item */
  				if (stream.match(/\s*-\s+/)) { return 'meta'; }
  			}
  			/* pairs (associative arrays) -> key */
  			if (!state.pair && stream.match(/^\s*([a-z0-9\._-])+(?=\s*:)/i)) {
  				state.pair = true;
  				state.keyCol = stream.indentation();
  				return "atom";
  			}
  			if (state.pair && stream.match(/^:\s*/)) { state.pairStart = true; return 'meta'; }
  			
  			/* inline pairs/lists */
  			if (stream.match(/^(\{|\}|\[|\])/)) {
  				if (ch == '{')
  					state.inlinePairs++;
  				else if (ch == '}')
  					state.inlinePairs--;
  				else if (ch == '[')
  					state.inlineList++;
  				else
  					state.inlineList--;
  				return 'meta';
  			}
  			
  			/* list seperator */
  			if (state.inlineList > 0 && !esc && ch == ',') {
  				stream.next();
  				return 'meta';
  			}
  			/* pairs seperator */
  			if (state.inlinePairs > 0 && !esc && ch == ',') {
  				state.keyCol = 0;
  				state.pair = false;
  				state.pairStart = false;
  				stream.next();
  				return 'meta';
  			}
  			
  			/* start of value of a pair */
  			if (state.pairStart) {
  				/* block literals */
  				if (stream.match(/^\s*(\||\>)\s*/)) { state.literal = true; return 'meta'; };
  				/* references */
  				if (stream.match(/^\s*(\&|\*)[a-z0-9\._-]+\b/i)) { return 'variable-2'; }
  				/* numbers */
  				if (state.inlinePairs == 0 && stream.match(/^\s*-?[0-9\.\,]+\s?$/)) { return 'number'; }
  				if (state.inlinePairs > 0 && stream.match(/^\s*-?[0-9\.\,]+\s?(?=(,|}))/)) { return 'number'; }
  				/* keywords */
  				if (stream.match(keywordRegex)) { return 'keyword'; }
  			}
  
  			/* nothing found, continue */
  			state.pairStart = false;
  			state.escaped = (ch == '\\');
  			stream.next();
  			return null;
  		},
  		startState: function() {
  			return {
  				pair: false,
  				pairStart: false,
  				keyCol: 0,
  				inlinePairs: 0,
  				inlineList: 0,
  				literal: false,
  				escaped: false
  			};
  		}
  	};
  });
  
  CodeMirror.defineMIME("text/x-yaml", "yaml");