wycats
72 lines
1.7 KiB
JavaScript
72 lines
1.7 KiB
JavaScript
if(require) {
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var Lexer = require("handlebars/jison_ext").Lexer
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}
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var HandlebarsLexer = function() {
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this.state = "CONTENT";
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};
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HandlebarsLexer.prototype = new Lexer;
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HandlebarsLexer.prototype.lex = function() {
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if(this.input === "") return;
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this.setupLex();
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var lookahead = this.peek(2);
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var result = '';
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if(this.state == "MUSTACHE") {
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// chomp optional whitespace
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while(this.peek() === " ") { this.readchar(); }
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if(this.peek(2) === "}}") {
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this.state = "CONTENT"
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this.getchar(2);
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if(this.peek() == "}") this.getchar();
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return "CLOSE";
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} else if(this.peek() === '"') {
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this.getchar();
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while(this.peek() !== '"') { this.getchar() }
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this.getchar();
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return "STRING";
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} else {
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while(this.peek().match(/[A-Za-z]/)) { this.getchar() }
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return "ID"
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}
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} else if(lookahead == "{{") {
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this.state = "MUSTACHE";
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this.getchar(2);
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var peek = this.peek();
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if(peek === ">") {
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this.getchar();
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return "OPEN_PARTIAL";
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} else if(peek === "#") {
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this.getchar();
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return "OPEN_BLOCK";
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} else if(peek === "/") {
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this.getchar();
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return "OPEN_ENDBLOCK";
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} else if(peek === "^") {
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this.getchar();
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return "OPEN_INVERSE"
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} else if(peek === "!") {
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this.readchar();
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this.setupLex(); // reset the lexer state so the yytext is the comment only
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while(this.peek(2) !== "}}") { this.getchar(); };
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this.readchar(2);
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this.state = "CONTENT"
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return "COMMENT";
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} else {
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return "OPEN";
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}
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} else {
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while(this.peek(2) !== "{{" && this.peek(2) !== "") { result = result + this.getchar(); }
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return "CONTENT"
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}
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};
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if(exports) { exports.Lexer = HandlebarsLexer; }
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