// lib/handlebars/parser.js /* Jison generated parser */ var handlebars = (function(){ var parser = {trace: function trace() { }, yy: {}, symbols_: {"error":2,"root":3,"program":4,"EOF":5,"statements":6,"simpleInverse":7,"statement":8,"openInverse":9,"closeBlock":10,"openBlock":11,"mustache":12,"partial":13,"CONTENT":14,"COMMENT":15,"OPEN_BLOCK":16,"inMustache":17,"CLOSE":18,"OPEN_INVERSE":19,"OPEN_ENDBLOCK":20,"path":21,"OPEN":22,"OPEN_UNESCAPED":23,"OPEN_PARTIAL":24,"params":25,"hash":26,"param":27,"STRING":28,"hashSegments":29,"hashSegment":30,"ID":31,"EQUALS":32,"pathSegments":33,"SEP":34,"$accept":0,"$end":1}, terminals_: {2:"error",5:"EOF",14:"CONTENT",15:"COMMENT",16:"OPEN_BLOCK",18:"CLOSE",19:"OPEN_INVERSE",20:"OPEN_ENDBLOCK",22:"OPEN",23:"OPEN_UNESCAPED",24:"OPEN_PARTIAL",28:"STRING",31:"ID",32:"EQUALS",34:"SEP"}, productions_: [0,[3,2],[4,3],[4,1],[4,0],[6,1],[6,2],[8,3],[8,3],[8,1],[8,1],[8,1],[8,1],[11,3],[9,3],[10,3],[12,3],[12,3],[13,3],[13,4],[7,2],[17,3],[17,2],[17,2],[17,1],[25,2],[25,1],[27,1],[27,1],[26,1],[29,2],[29,1],[30,3],[30,3],[21,1],[33,3],[33,1]], performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) { var $0 = $$.length - 1; switch (yystate) { case 1: return $$[$0-1] break; case 2: this.$ = new yy.ProgramNode($$[$0-2], $$[$0]) break; case 3: this.$ = new yy.ProgramNode($$[$0]) break; case 4: this.$ = new yy.ProgramNode([]) break; case 5: this.$ = [$$[$0]] break; case 6: $$[$0-1].push($$[$0]); this.$ = $$[$0-1] break; case 7: this.$ = new yy.InverseNode($$[$0-2], $$[$0-1], $$[$0]) break; case 8: this.$ = new yy.BlockNode($$[$0-2], $$[$0-1], $$[$0]) break; case 9: this.$ = $$[$0] break; case 10: this.$ = $$[$0] break; case 11: this.$ = new yy.ContentNode($$[$0]) break; case 12: this.$ = new yy.CommentNode($$[$0]) break; case 13: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]) break; case 14: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]) break; case 15: this.$ = $$[$0-1] break; case 16: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1]) break; case 17: this.$ = new yy.MustacheNode($$[$0-1][0], $$[$0-1][1], true) break; case 18: this.$ = new yy.PartialNode($$[$0-1]) break; case 19: this.$ = new yy.PartialNode($$[$0-2], $$[$0-1]) break; case 20: break; case 21: this.$ = [[$$[$0-2]].concat($$[$0-1]), $$[$0]] break; case 22: this.$ = [[$$[$0-1]].concat($$[$0]), null] break; case 23: this.$ = [[$$[$0-1]], $$[$0]] break; case 24: this.$ = [[$$[$0]], null] break; case 25: $$[$0-1].push($$[$0]); this.$ = $$[$0-1]; break; case 26: this.$ = [$$[$0]] break; case 27: this.$ = $$[$0] break; case 28: this.$ = new yy.StringNode($$[$0]) break; case 29: this.$ = new yy.HashNode($$[$0]) break; case 30: $$[$0-1].push($$[$0]); this.$ = $$[$0-1] break; case 31: this.$ = [$$[$0]] break; case 32: this.$ = [$$[$0-2], $$[$0]] break; case 33: this.$ = [$$[$0-2], new yy.StringNode($$[$0])] break; case 34: this.$ = new yy.IdNode($$[$0]) break; case 35: $$[$0-2].push($$[$0]); this.$ = $$[$0-2]; break; case 36: this.$ = [$$[$0]] break; } }, table: [{3:1,4:2,5:[2,4],6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{1:[3]},{5:[1,16]},{5:[2,3],7:17,8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,19],20:[2,3],22:[1,13],23:[1,14],24:[1,15]},{5:[2,5],14:[2,5],15:[2,5],16:[2,5],19:[2,5],20:[2,5],22:[2,5],23:[2,5],24:[2,5]},{4:20,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{4:21,6:3,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,4],22:[1,13],23:[1,14],24:[1,15]},{5:[2,9],14:[2,9],15:[2,9],16:[2,9],19:[2,9],20:[2,9],22:[2,9],23:[2,9],24:[2,9]},{5:[2,10],14:[2,10],15:[2,10],16:[2,10],19:[2,10],20:[2,10],22:[2,10],23:[2,10],24:[2,10]},{5:[2,11],14:[2,11],15:[2,11],16:[2,11],19:[2,11],20:[2,11],22:[2,11],23:[2,11],24:[2,11]},{5:[2,12],14:[2,12],15:[2,12],16:[2,12],19:[2,12],20:[2,12],22:[2,12],23:[2,12],24:[2,12]},{17:22,21:23,31:[1,25],33:24},{17:26,21:23,31:[1,25],33:24},{17:27,21:23,31:[1,25],33:24},{17:28,21:23,31:[1,25],33:24},{21:29,31:[1,25],33:24},{1:[2,1]},{6:30,8:4,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],22:[1,13],23:[1,14],24:[1,15]},{5:[2,6],14:[2,6],15:[2,6],16:[2,6],19:[2,6],20:[2,6],22:[2,6],23:[2,6],24:[2,6]},{17:22,18:[1,31],21:23,31:[1,25],33:24},{10:32,20:[1,33]},{10:34,20:[1,33]},{18:[1,35]},{18:[2,24],21:40,25:36,26:37,27:38,28:[1,41],29:39,30:42,31:[1,43],33:24},{18:[2,34],28:[2,34],31:[2,34],34:[1,44]},{18:[2,36],28:[2,36],31:[2,36],34:[2,36]},{18:[1,45]},{18:[1,46]},{18:[1,47]},{18:[1,48],21:49,31:[1,25],33:24},{5:[2,2],8:18,9:5,11:6,12:7,13:8,14:[1,9],15:[1,10],16:[1,12],19:[1,11],20:[2,2],22:[1,13],23:[1,14],24:[1,15]},{14:[2,20],15:[2,20],16:[2,20],19:[2,20],22:[2,20],23:[2,20],24:[2,20]},{5:[2,7],14:[2,7],15:[2,7],16:[2,7],19:[2,7],20:[2,7],22:[2,7],23:[2,7],24:[2,7]},{21:50,31:[1,25],33:24},{5:[2,8],14:[2,8],15:[2,8],16:[2,8],19:[2,8],20:[2,8],22:[2,8],23:[2,8],24:[2,8]},{14:[2,14],15:[2,14],16:[2,14],19:[2,14],20:[2,14],22:[2,14],23:[2,14],24:[2,14]},{18:[2,22],21:40,26:51,27:52,28:[1,41],29:39,30:42,31:[1,43],33:24},{18:[2,23]},{18:[2,26],28:[2,26],31:[2,26]},{18:[2,29],30:53,31:[1,54]},{18:[2,27],28:[2,27],31:[2,27]},{18:[2,28],28:[2,28],31:[2,28]},{18:[2,31],31:[2,31]},{18:[2,36],28:[2,36],31:[2,36],32:[1,55],34:[2,36]},{31:[1,56]},{14:[2,13],15:[2,13],16:[2,13],19:[2,13],20:[2,13],22:[2,13],23:[2,13],24:[2,13]},{5:[2,16],14:[2,16],15:[2,16],16:[2,16],19:[2,16],20:[2,16],22:[2,16],23:[2,16],24:[2,16]},{5:[2,17],14:[2,17],15:[2,17],16:[2,17],19:[2,17],20:[2,17],22:[2,17],23:[2,17],24:[2,17]},{5:[2,18],14:[2,18],15:[2,18],16:[2,18],19:[2,18],20:[2,18],22:[2,18],23:[2,18],24:[2,18]},{18:[1,57]},{18:[1,58]},{18:[2,21]},{18:[2,25],28:[2,25],31:[2,25]},{18:[2,30],31:[2,30]},{32:[1,55]},{21:59,28:[1,60],31:[1,25],33:24},{18:[2,35],28:[2,35],31:[2,35],34:[2,35]},{5:[2,19],14:[2,19],15:[2,19],16:[2,19],19:[2,19],20:[2,19],22:[2,19],23:[2,19],24:[2,19]},{5:[2,15],14:[2,15],15:[2,15],16:[2,15],19:[2,15],20:[2,15],22:[2,15],23:[2,15],24:[2,15]},{18:[2,32],31:[2,32]},{18:[2,33],31:[2,33]}], defaultActions: {16:[2,1],37:[2,23],51:[2,21]}, parseError: function parseError(str, hash) { throw new Error(str); }, parse: function parse(input) { var self = this, stack = [0], vstack = [null], // semantic value stack lstack = [], // location stack table = this.table, yytext = '', yylineno = 0, yyleng = 0, recovering = 0, TERROR = 2, EOF = 1; //this.reductionCount = this.shiftCount = 0; this.lexer.setInput(input); this.lexer.yy = this.yy; this.yy.lexer = this.lexer; var yyloc = this.lexer.yylloc; lstack.push(yyloc); if (typeof this.yy.parseError === 'function') this.parseError = this.yy.parseError; function popStack (n) { stack.length = stack.length - 2*n; vstack.length = vstack.length - n; lstack.length = lstack.length - n; } function lex() { var token; token = self.lexer.lex() || 1; // $end = 1 // if token isn't its numeric value, convert if (typeof token !== 'number') { token = self.symbols_[token] || token; } return token; }; var symbol, preErrorSymbol, state, action, a, r, yyval={},p,len,newState, expected; while (true) { // retreive state number from top of stack state = stack[stack.length-1]; // use default actions if available if (this.defaultActions[state]) { action = this.defaultActions[state]; } else { if (symbol == null) symbol = lex(); // read action for current state and first input action = table[state] && table[state][symbol]; } // handle parse error if (typeof action === 'undefined' || !action.length || !action[0]) { if (!recovering) { // Report error expected = []; for (p in table[state]) if (this.terminals_[p] && p > 2) { expected.push("'"+this.terminals_[p]+"'"); } var errStr = ''; if (this.lexer.showPosition) { errStr = 'Parse error on line '+(yylineno+1)+":\n"+this.lexer.showPosition()+'\nExpecting '+expected.join(', '); } else { errStr = 'Parse error on line '+(yylineno+1)+": Unexpected " + (symbol == 1 /*EOF*/ ? "end of input" : ("'"+(this.terminals_[symbol] || symbol)+"'")); } this.parseError(errStr, {text: this.lexer.match, token: this.terminals_[symbol] || symbol, line: this.lexer.yylineno, loc: yyloc, expected: expected}); } // just recovered from another error if (recovering == 3) { if (symbol == EOF) { throw new Error(errStr || 'Parsing halted.'); } // discard current lookahead and grab another yyleng = this.lexer.yyleng; yytext = this.lexer.yytext; yylineno = this.lexer.yylineno; yyloc = this.lexer.yylloc; symbol = lex(); } // try to recover from error while (1) { // check for error recovery rule in this state if ((TERROR.toString()) in table[state]) { break; } if (state == 0) { throw new Error(errStr || 'Parsing halted.'); } popStack(1); state = stack[stack.length-1]; } preErrorSymbol = symbol; // save the lookahead token symbol = TERROR; // insert generic error symbol as new lookahead state = stack[stack.length-1]; action = table[state] && table[state][TERROR]; recovering = 3; // allow 3 real symbols to be shifted before reporting a new error } // this shouldn't happen, unless resolve defaults are off if (action[0] instanceof Array && action.length > 1) { throw new Error('Parse Error: multiple actions possible at state: '+state+', token: '+symbol); } switch (action[0]) { case 1: // shift //this.shiftCount++; stack.push(symbol); vstack.push(this.lexer.yytext); lstack.push(this.lexer.yylloc); stack.push(action[1]); // push state symbol = null; if (!preErrorSymbol) { // normal execution/no error yyleng = this.lexer.yyleng; yytext = this.lexer.yytext; yylineno = this.lexer.yylineno; yyloc = this.lexer.yylloc; if (recovering > 0) recovering--; } else { // error just occurred, resume old lookahead f/ before error symbol = preErrorSymbol; preErrorSymbol = null; } break; case 2: // reduce //this.reductionCount++; len = this.productions_[action[1]][1]; // perform semantic action yyval.$ = vstack[vstack.length-len]; // default to $$ = $1 // default location, uses first token for firsts, last for lasts yyval._$ = { first_line: lstack[lstack.length-(len||1)].first_line, last_line: lstack[lstack.length-1].last_line, first_column: lstack[lstack.length-(len||1)].first_column, last_column: lstack[lstack.length-1].last_column, }; r = this.performAction.call(yyval, yytext, yyleng, yylineno, this.yy, action[1], vstack, lstack); if (typeof r !== 'undefined') { return r; } // pop off stack if (len) { stack = stack.slice(0,-1*len*2); vstack = vstack.slice(0, -1*len); lstack = lstack.slice(0, -1*len); } stack.push(this.productions_[action[1]][0]); // push nonterminal (reduce) vstack.push(yyval.$); lstack.push(yyval._$); // goto new state = table[STATE][NONTERMINAL] newState = table[stack[stack.length-2]][stack[stack.length-1]]; stack.push(newState); break; case 3: // accept return true; } } return true; }};/* Jison generated lexer */ var lexer = (function(){var lexer = ({EOF:1, parseError:function parseError(str, hash) { if (this.yy.parseError) { this.yy.parseError(str, hash); } else { throw new Error(str); } }, setInput:function (input) { this._input = input; this._more = this._less = this.done = false; this.yylineno = this.yyleng = 0; this.yytext = this.matched = this.match = ''; this.conditionStack = ['INITIAL']; this.yylloc = {first_line:1,first_column:0,last_line:1,last_column:0}; return this; }, input:function () { var ch = this._input[0]; this.yytext+=ch; this.yyleng++; this.match+=ch; this.matched+=ch; var lines = ch.match(/\n/); if (lines) this.yylineno++; this._input = this._input.slice(1); return ch; }, unput:function (ch) { this._input = ch + this._input; return this; }, more:function () { this._more = true; return this; }, pastInput:function () { var past = this.matched.substr(0, this.matched.length - this.match.length); return (past.length > 20 ? '...':'') + past.substr(-20).replace(/\n/g, ""); }, upcomingInput:function () { var next = this.match; if (next.length < 20) { next += this._input.substr(0, 20-next.length); } return (next.substr(0,20)+(next.length > 20 ? '...':'')).replace(/\n/g, ""); }, showPosition:function () { var pre = this.pastInput(); var c = new Array(pre.length + 1).join("-"); return pre + this.upcomingInput() + "\n" + c+"^"; }, next:function () { if (this.done) { return this.EOF; } if (!this._input) this.done = true; var token, match, col, lines; if (!this._more) { this.yytext = ''; this.match = ''; } var rules = this._currentRules(); for (var i=0;i < rules.length; i++) { match = this._input.match(this.rules[rules[i]]); if (match) { lines = match[0].match(/\n.*/g); if (lines) this.yylineno += lines.length; this.yylloc = {first_line: this.yylloc.last_line, last_line: this.yylineno+1, first_column: this.yylloc.last_column, last_column: lines ? lines[lines.length-1].length-1 : this.yylloc.last_column + match.length} this.yytext += match[0]; this.match += match[0]; this.matches = match; this.yyleng = this.yytext.length; this._more = false; this._input = this._input.slice(match[0].length); this.matched += match[0]; token = this.performAction.call(this, this.yy, this, rules[i],this.conditionStack[this.conditionStack.length-1]); if (token) return token; else return; } } if (this._input === "") { return this.EOF; } else { this.parseError('Lexical error on line '+(this.yylineno+1)+'. Unrecognized text.\n'+this.showPosition(), {text: "", token: null, line: this.yylineno}); } }, lex:function lex() { var r = this.next(); if (typeof r !== 'undefined') { return r; } else { return this.lex(); } }, begin:function begin(condition) { this.conditionStack.push(condition); }, popState:function popState() { return this.conditionStack.pop(); }, _currentRules:function _currentRules() { return this.conditions[this.conditionStack[this.conditionStack.length-1]].rules; }}); lexer.performAction = function anonymous(yy,yy_,$avoiding_name_collisions,YY_START) { var YYSTATE=YY_START switch($avoiding_name_collisions) { case 0: this.begin("mu"); if (yy_.yytext) return 14; break; case 1: return 14; break; case 2: return 24; break; case 3: return 16; break; case 4: return 20; break; case 5: return 19; break; case 6: return 19; break; case 7: return 23; break; case 8: return 23; break; case 9: yy_.yytext = yy_.yytext.substr(3,yy_.yyleng-5); this.begin("INITIAL"); return 15; break; case 10: return 22; break; case 11: return 32; break; case 12: return 31; break; case 13: return 31; break; case 14: return 34; break; case 15: /*ignore whitespace*/ break; case 16: this.begin("INITIAL"); return 18; break; case 17: this.begin("INITIAL"); return 18; break; case 18: yy_.yytext = yy_.yytext.substr(1,yy_.yyleng-2).replace(/\\"/g,'"'); return 28; break; case 19: return 31; break; case 20: return 'INVALID'; break; case 21: return 5; break; } }; lexer.rules = [/^[^\x00]*?(?=(\{\{))/,/^[^\x00]+/,/^\{\{>/,/^\{\{#/,/^\{\{\//,/^\{\{\^/,/^\{\{\s*else\b/,/^\{\{\{/,/^\{\{&/,/^\{\{!.*?\}\}/,/^\{\{/,/^=/,/^\.(?=[} ])/,/^\.\./,/^[/.]/,/^\s+/,/^\}\}\}/,/^\}\}/,/^"(\\["]|[^"])*"/,/^[a-zA-Z0-9_]+(?=[=} /.])/,/^./,/^$/]; lexer.conditions = {"mu":{"rules":[2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21],"inclusive":false},"INITIAL":{"rules":[0,1,21],"inclusive":true}};return lexer;})() parser.lexer = lexer; return parser; })(); if (typeof require !== 'undefined' && typeof exports !== 'undefined') { exports.parser = handlebars; exports.parse = function () { return handlebars.parse.apply(handlebars, arguments); } exports.main = function commonjsMain(args) { if (!args[1]) throw new Error('Usage: '+args[0]+' FILE'); if (typeof process !== 'undefined') { var source = require('fs').readFileSync(require('path').join(process.cwd(), args[1]), "utf8"); } else { var cwd = require("file").path(require("file").cwd()); var source = cwd.join(args[1]).read({charset: "utf-8"}); } return exports.parser.parse(source); } if (typeof module !== 'undefined' && require.main === module) { exports.main(typeof process !== 'undefined' ? process.argv.slice(1) : require("system").args); } }; // lib/handlebars/base.js var Handlebars = {}; Handlebars.Parser = handlebars; Handlebars.parse = function(string) { Handlebars.Parser.yy = Handlebars.AST; return Handlebars.Parser.parse(string); }; Handlebars.print = function(ast) { return new Handlebars.PrintVisitor().accept(ast); }; Handlebars.Runtime = {}; Handlebars.Runtime.compile = function(string) { var ast = Handlebars.parse(string); return function(context, helpers, partials) { helpers = helpers || Handlebars.helpers; partials = partials || Handlebars.partials; var internalContext = new Handlebars.Context(context, helpers, partials); var runtime = new Handlebars.Runtime(internalContext); runtime.accept(ast); return runtime.buffer; }; }; Handlebars.helpers = {}; Handlebars.partials = {}; Handlebars.registerHelper = function(name, fn, inverse) { if(inverse) { fn.not = inverse; } this.helpers[name] = fn; }; Handlebars.registerPartial = function(name, str) { this.partials[name] = str; }; Handlebars.registerHelper('blockHelperMissing', function(context, fn, inverse) { inverse = inverse || function() {}; var ret = ""; var type = Object.prototype.toString.call(context); if(type === "[object Function]") { context = context(); } if(context === true) { return fn(this); } else if(context === false || context == null) { return inverse(this); } else if(type === "[object Array]") { if(context.length > 0) { for(var i=0, j=context.length; i<j; i++) { ret = ret + fn(context[i]); } } else { ret = inverse(this); } return ret; } else { return fn(context); } }, function(context, fn) { return fn(context); }); Handlebars.registerHelper('each', function(context, fn, inverse) { var ret = ""; if(context && context.length > 0) { for(var i=0, j=context.length; i<j; i++) { ret = ret + fn(context[i]); } } else { ret = inverse(this); } return ret; }); Handlebars.registerHelper('if', function(context, fn, inverse) { if(!context || context == []) { return inverse(this); } else { return fn(this); } }); Handlebars.registerHelper('unless', function(context, fn, inverse) { return Handlebars.helpers['if'].call(this, context, inverse, fn); }); Handlebars.registerHelper('with', function(context, fn) { return fn(context); }); Handlebars.logger = { DEBUG: 0, INFO: 1, WARN: 2, ERROR: 3, level: 3, // override in the host environment log: function(level, str) {} }; Handlebars.log = function(level, str) { Handlebars.logger.log(level, str); }; ; // lib/handlebars/ast.js (function() { Handlebars.AST = {}; Handlebars.AST.ProgramNode = function(statements, inverse) { this.type = "program"; this.statements = statements; if(inverse) { this.inverse = new Handlebars.AST.ProgramNode(inverse); } }; Handlebars.AST.MustacheNode = function(params, hash, unescaped) { this.type = "mustache"; this.id = params[0]; this.params = params.slice(1); this.hash = hash; this.escaped = !unescaped; }; Handlebars.AST.PartialNode = function(id, context) { this.type = "partial"; // TODO: disallow complex IDs this.id = id; this.context = context; }; var verifyMatch = function(open, close) { if(open.original !== close.original) { throw new Handlebars.Exception(open.original + " doesn't match " + close.original); } }; Handlebars.AST.BlockNode = function(mustache, program, close) { verifyMatch(mustache.id, close); this.type = "block"; this.mustache = mustache; this.program = program; }; Handlebars.AST.InverseNode = function(mustache, program, close) { verifyMatch(mustache.id, close); this.type = "inverse"; this.mustache = mustache; this.program = program; }; Handlebars.AST.ContentNode = function(string) { this.type = "content"; this.string = string; }; Handlebars.AST.HashNode = function(pairs) { this.type = "hash"; this.pairs = pairs; }; Handlebars.AST.IdNode = function(parts) { this.type = "ID"; this.original = parts.join("/"); var dig = [], depth = 0; for(var i=0,l=parts.length; i<l; i++) { var part = parts[i]; if(part === "..") { depth++; } else if(part === "." || part === "this") { continue; } else { dig.push(part); } } this.parts = dig; this.depth = depth; this.isSimple = (dig.length === 1) && (depth === 0); }; Handlebars.AST.StringNode = function(string) { this.type = "STRING"; this.string = string; }; Handlebars.AST.CommentNode = function(comment) { this.type = "comment"; this.comment = comment; }; })();; // lib/handlebars/visitor.js Handlebars.Visitor = function() {}; Handlebars.Visitor.prototype = { accept: function(object) { return this[object.type](object); } };; // lib/handlebars/utils.js Handlebars.Exception = function(message) { this.message = message; }; // Build out our basic SafeString type Handlebars.SafeString = function(string) { this.string = string; }; Handlebars.SafeString.prototype.toString = function() { return this.string.toString(); }; (function() { var escape = { "<": "<", ">": ">" }; var badChars = /&(?!\w+;)|[<>]/g; var possible = /[&<>]/ var escapeChar = function(chr) { return escape[chr] || "&" }; Handlebars.Utils = { escapeExpression: function(string) { // don't escape SafeStrings, since they're already safe if (string instanceof Handlebars.SafeString) { return string.toString(); } else if (string == null || string === false) { return ""; } if(!possible.test(string)) { return string; } return string.replace(badChars, escapeChar); }, isEmpty: function(value) { if (typeof value === "undefined") { return true; } else if (value === null) { return true; } else if (value === false) { return true; } else if(Object.prototype.toString.call(value) === "[object Array]" && value.length === 0) { return true; } else { return false; } } }; })();; // lib/handlebars/vm.js Handlebars.Compiler = function() {}; Handlebars.JavaScriptCompiler = function() {}; (function(Compiler, JavaScriptCompiler) { Compiler.OPCODE_MAP = { appendContent: 1, getContext: 2, lookupWithHelpers: 3, lookup: 4, append: 5, invokeMustache: 6, appendEscaped: 7, pushString: 8, truthyOrFallback: 9, functionOrFallback: 10, invokeProgram: 11, invokePartial: 12, push: 13, invokeInverse: 14, assignToHash: 15 }; Compiler.MULTI_PARAM_OPCODES = { appendContent: 1, getContext: 1, lookupWithHelpers: 1, lookup: 1, invokeMustache: 2, pushString: 1, truthyOrFallback: 1, functionOrFallback: 1, invokeProgram: 2, invokePartial: 1, push: 1, invokeInverse: 1, assignToHash: 1 }; Compiler.DISASSEMBLE_MAP = {}; for(var prop in Compiler.OPCODE_MAP) { var value = Compiler.OPCODE_MAP[prop]; Compiler.DISASSEMBLE_MAP[value] = prop; } Compiler.multiParamSize = function(code) { return Compiler.MULTI_PARAM_OPCODES[Compiler.DISASSEMBLE_MAP[code]]; }; Compiler.prototype = { disassemble: function() { var opcodes = this.opcodes, opcode, nextCode; var out = [], str, name, value; for(var i=0, l=opcodes.length; i<l; i++) { opcode = opcodes[i]; if(opcode === 'DECLARE') { name = opcodes[++i]; value = opcodes[++i]; out.push("DECLARE " + name + " = " + value); } else { str = Compiler.DISASSEMBLE_MAP[opcode]; var extraParams = Compiler.multiParamSize(opcode); var codes = []; for(var j=0; j<extraParams; j++) { nextCode = opcodes[++i]; if(typeof nextCode === "string") { nextCode = "\"" + nextCode.replace("\n", "\\n") + "\""; } codes.push(nextCode); } str = str + " " + codes.join(" "); out.push(str); } } return out.join("\n"); }, guid: 0, compile: function(program) { this.children = []; this.depths = {list: []}; return this.program(program); }, accept: function(node) { return this[node.type](node); }, program: function(program) { var statements = program.statements, statement; this.opcodes = []; for(var i=0, l=statements.length; i<l; i++) { statement = statements[i]; this[statement.type](statement); } this.depths.list = this.depths.list.sort(function(a, b) { return a - b; }); return this; }, compileProgram: function(program) { var result = new Compiler().compile(program); var guid = this.guid++; this.usePartial = this.usePartial || result.usePartial; this.children[guid] = result; for(var i=0, l=result.depths.list.length; i<l; i++) { depth = result.depths.list[i]; if(depth < 2) { continue; } else { this.addDepth(depth - 1); } } return guid; }, block: function(block) { var mustache = block.mustache; var depth, child, inverse, inverseGuid; var params = this.setupStackForMustache(mustache); var programGuid = this.compileProgram(block.program); if(block.program.inverse) { inverseGuid = this.compileProgram(block.program.inverse); this.declare('inverse', inverseGuid); } this.opcode('invokeProgram', programGuid, params.length); this.declare('inverse', null); this.opcode('append'); }, inverse: function(block) { this.ID(block.mustache.id); var programGuid = this.compileProgram(block.program); this.opcode('invokeInverse', programGuid); this.opcode('append'); }, hash: function(hash) { var pairs = hash.pairs, pair, val; this.opcode('push', '{}'); for(var i=0, l=pairs.length; i<l; i++) { pair = pairs[i]; val = pair[1]; this.accept(val); this.opcode('assignToHash', pair[0]); } }, partial: function(partial) { var id = partial.id; this.usePartial = true; if(partial.context) { this.ID(partial.context); } else { this.opcode('push', 'context'); } this.opcode('invokePartial', id.original); this.opcode('append'); }, content: function(content) { this.opcode('appendContent', content.string); }, mustache: function(mustache) { var params = this.setupStackForMustache(mustache); this.opcode('invokeMustache', params.length, mustache.id.original); if(mustache.escaped) { this.opcode('appendEscaped'); } else { this.opcode('append'); } }, ID: function(id) { this.addDepth(id.depth); this.opcode('getContext', id.depth); this.opcode('lookupWithHelpers', id.parts[0] || null); for(var i=1, l=id.parts.length; i<l; i++) { this.opcode('lookup', id.parts[i]); } }, STRING: function(string) { this.opcode('pushString', string.string); }, comment: function() {}, // HELPERS pushParams: function(params) { var i = params.length, param; while(i--) { param = params[i]; this[param.type](param); } }, opcode: function(name, val1, val2) { this.opcodes.push(Compiler.OPCODE_MAP[name]); if(val1 !== undefined) { this.opcodes.push(val1); } if(val2 !== undefined) { this.opcodes.push(val2); } }, declare: function(name, value) { this.opcodes.push('DECLARE'); this.opcodes.push(name); this.opcodes.push(value); }, addDepth: function(depth) { if(depth === 0) { return; } if(!this.depths[depth]) { this.depths[depth] = true; this.depths.list.push(depth); } }, setupStackForMustache: function(mustache) { var params = mustache.params; this.pushParams(params); if(mustache.hash) { this.hash(mustache.hash); } else { this.opcode('push', '{}'); } this.ID(mustache.id); return params; } }; JavaScriptCompiler.prototype = { // PUBLIC API: You can override these methods in a subclass to provide // alternative compiled forms for name lookup and buffering semantics nameLookup: function(parent, name, type) { if(JavaScriptCompiler.RESERVED_WORDS[name]) { return parent + "['" + name + "']"; } else { return parent + "." + name; } }, appendToBuffer: function(string) { return "buffer = buffer + " + string + ";"; }, initializeBuffer: function() { return this.quotedString(""); }, // END PUBLIC API compile: function(environment, data) { this.environment = environment; this.data = data; this.preamble(); this.stackSlot = 0; this.stackVars = []; this.registers = {list: []}; this.compileChildren(environment, data); Handlebars.log(Handlebars.logger.DEBUG, environment.disassemble() + "\n\n"); var opcodes = environment.opcodes, opcode, name, declareName, declareVal; this.i = 0; for(l=opcodes.length; this.i<l; this.i++) { opcode = this.nextOpcode(0); if(opcode[0] === 'DECLARE') { this.i = this.i + 2; this[opcode[1]] = opcode[2]; } else { this.i = this.i + opcode[1].length; this[opcode[0]].apply(this, opcode[1]); } } return this.createFunction(); }, nextOpcode: function(n) { var opcodes = this.environment.opcodes, opcode = opcodes[this.i + n], name, val; var extraParams, codes; if(opcode === 'DECLARE') { name = opcodes[this.i + 1]; val = opcodes[this.i + 2]; return ['DECLARE', name, val]; } else { name = Compiler.DISASSEMBLE_MAP[opcode]; extraParams = Compiler.multiParamSize(opcode); codes = []; for(var j=0; j<extraParams; j++) { codes.push(opcodes[this.i + j + 1 + n]); } return [name, codes]; } }, eat: function(opcode) { this.i = this.i + opcode.length; }, preamble: function() { var out = []; out.push("var buffer = " + this.initializeBuffer() + ", currentContext = context"); var copies = "helpers = helpers || Handlebars.helpers;"; if(this.environment.usePartial) { copies = copies + " partials = partials || Handlebars.partials;"; } out.push(copies); // track the last context pushed into place to allow skipping the // getContext opcode when it would be a noop this.lastContext = 0; this.source = out; }, createFunction: function() { var container = { escapeExpression: Handlebars.Utils.escapeExpression, invokePartial: Handlebars.VM.invokePartial, programs: [], program: function(i, helpers, partials, data) { var programWrapper = this.programs[i]; if(data) { return Handlebars.VM.program(this.children[i], helpers, partials, data); } else if(programWrapper) { return programWrapper; } else { programWrapper = this.programs[i] = Handlebars.VM.program(this.children[i], helpers, partials); return programWrapper; } }, programWithDepth: Handlebars.VM.programWithDepth, noop: Handlebars.VM.noop }; var locals = this.stackVars.concat(this.registers.list); if(locals.length > 0) { this.source[0] = this.source[0] + ", " + locals.join(", "); } this.source[0] = this.source[0] + ";"; this.source.push("return buffer;"); var params = ["Handlebars", "context", "helpers", "partials"]; if(this.data) { params.push("data"); } for(var i=0, l=this.environment.depths.list.length; i<l; i++) { params.push("depth" + this.environment.depths.list[i]); } if(params.length === 4 && !this.environment.usePartial) { params.pop(); } params.push(this.source.join("\n")); var fn = Function.apply(this, params); fn.displayName = "Handlebars.js"; Handlebars.log(Handlebars.logger.DEBUG, fn.toString() + "\n\n"); container.render = fn; container.children = this.environment.children; return function(context, helpers, partials, data, $depth) { try { var args = Array.prototype.slice.call(arguments); args.unshift(Handlebars); return container.render.apply(container, args); } catch(e) { throw e; } }; }, appendContent: function(content) { this.source.push(this.appendToBuffer(this.quotedString(content))); }, append: function() { var local = this.popStack(); this.source.push("if(" + local + " || " + local + " === 0) { " + this.appendToBuffer(local) + " }"); }, appendEscaped: function() { var opcode = this.nextOpcode(1), extra = ""; if(opcode[0] === 'appendContent') { extra = " + " + this.quotedString(opcode[1][0]); this.eat(opcode); } this.source.push(this.appendToBuffer("this.escapeExpression(" + this.popStack() + ")" + extra)); }, getContext: function(depth) { if(this.lastContext !== depth) { this.lastContext = depth; if(depth === 0) { this.source.push("currentContext = context;"); } else { this.source.push("currentContext = depth" + depth + ";"); } } }, lookupWithHelpers: function(name) { if(name) { var topStack = this.nextStack(); var toPush = "if('" + name + "' in helpers) { " + topStack + " = " + this.nameLookup('helpers', name, 'helper') + "; } else { " + topStack + " = " + this.nameLookup('currentContext', name, 'context') + "; }"; this.source.push(toPush); } else { this.pushStack("currentContext"); } }, lookup: function(name) { var topStack = this.topStack(); this.source.push(topStack + " = " + this.nameLookup(topStack, name, 'context') + ";"); }, pushString: function(string) { this.pushStack(this.quotedString(string)); }, push: function(name) { this.pushStack(name); }, invokeMustache: function(paramSize, original) { this.populateParams(paramSize, this.quotedString(original), "{}", null, function(nextStack, helperMissingString, id) { this.source.push("else if(" + id + "=== undefined) { " + nextStack + " = helpers.helperMissing.call(" + helperMissingString + "); }"); this.source.push("else { " + nextStack + " = " + id + "; }"); }); }, invokeProgram: function(guid, paramSize) { var inverse = this.programExpression(this.inverse); var mainProgram = this.programExpression(guid); this.populateParams(paramSize, null, mainProgram, inverse, function(nextStack, helperMissingString, id) { this.source.push("else { " + nextStack + " = helpers.blockHelperMissing.call(" + helperMissingString + "); }"); }); }, populateParams: function(paramSize, helperId, program, inverse, fn) { var id = this.popStack(), nextStack; var params = []; var hash = this.popStack(); for(var i=0; i<paramSize; i++) { var param = this.popStack(); params.push(param); } this.register('tmp1', program); this.source.push('tmp1.hash = ' + hash + ';'); if(inverse) { this.source.push('tmp1.fn = tmp1;'); this.source.push('tmp1.inverse = ' + inverse + ';'); } if(this.data) { this.source.push('tmp1.data = data;'); } params.push('tmp1'); // TODO: This is legacy behavior. Deprecate and remove. if(inverse) { params.push(inverse); } this.populateCall(params, id, helperId || id, fn); }, populateCall: function(params, id, helperId, fn) { var paramString = ["context"].concat(params).join(", "); var helperMissingString = ["context"].concat(helperId).concat(params).join(", "); nextStack = this.nextStack(); this.source.push("if(typeof " + id + " === 'function') { " + nextStack + " = " + id + ".call(" + paramString + "); }"); fn.call(this, nextStack, helperMissingString, id); }, invokeInverse: function(guid) { var program = this.programExpression(guid); var blockMissingParams = ["context", this.topStack(), "this.noop", program]; this.pushStack("helpers.blockHelperMissing.call(" + blockMissingParams.join(", ") + ")"); }, invokePartial: function(context) { this.pushStack("this.invokePartial(" + this.nameLookup('partials', context, 'partial') + ", '" + context + "', " + this.popStack() + ", helpers, partials);"); }, assignToHash: function(key) { var value = this.popStack(); var hash = this.topStack(); this.source.push(hash + "['" + key + "'] = " + value + ";"); }, // HELPERS compiler: JavaScriptCompiler, compileChildren: function(environment, data) { var children = environment.children, child, compiler; var compiled = []; for(var i=0, l=children.length; i<l; i++) { child = children[i]; compiler = new this.compiler(); compiled[i] = compiler.compile(child, data); } environment.rawChildren = children; environment.children = compiled; }, programExpression: function(guid) { if(guid == null) { return "this.noop"; } var programParams = [guid, "helpers", "partials"]; var depths = this.environment.rawChildren[guid].depths.list; if(this.data) { programParams.push("data"); } for(var i=0, l = depths.length; i<l; i++) { depth = depths[i]; if(depth === 1) { programParams.push("context"); } else { programParams.push("depth" + (depth - 1)); } } if(!this.environment.usePartial) { if(programParams[3]) { programParams[2] = "null"; } else { programParams.pop(); } } if(depths.length === 0) { return "this.program(" + programParams.join(", ") + ")"; } else { programParams[0] = "this.children[" + guid + "]"; return "this.programWithDepth(" + programParams.join(", ") + ")"; } }, register: function(name, val) { this.useRegister(name); this.source.push(name + " = " + val + ";"); }, useRegister: function(name) { if(!this.registers[name]) { this.registers[name] = true; this.registers.list.push(name); } }, pushStack: function(item) { this.source.push(this.nextStack() + " = " + item + ";"); return "stack" + this.stackSlot; }, nextStack: function() { this.stackSlot++; if(this.stackSlot > this.stackVars.length) { this.stackVars.push("stack" + this.stackSlot); } return "stack" + this.stackSlot; }, popStack: function() { return "stack" + this.stackSlot--; }, topStack: function() { return "stack" + this.stackSlot; }, quotedString: function(str) { return '"' + str .replace(/\\/, '\\\\') .replace(/"/g, '\\"') .replace(/\n/g, '\\n') .replace(/\r/g, '\\r') + '"'; } }; var reservedWords = ("break case catch continue default delete do else finally " + "for function if in instanceof new return switch this throw " + "try typeof var void while with null true false").split(" "); compilerWords = JavaScriptCompiler.RESERVED_WORDS = {}; for(var i=0, l=reservedWords.length; i<l; i++) { compilerWords[reservedWords[i]] = true; } })(Handlebars.Compiler, Handlebars.JavaScriptCompiler); Handlebars.VM = { programWithDepth: function(fn) { var args = Array.prototype.slice.call(arguments, 1); return function(context, helpers, partials, data) { args[0] = helpers || args[0]; args[1] = partials || args[1]; args[2] = data || args[2]; return fn.apply(this, [context].concat(args)); }; }, program: function(fn, helpers, partials, data) { return function(context, h2, p2, d2) { return fn(context, h2 || helpers, p2 || partials, d2 || data); }; }, noop: function() { return ""; }, compile: function(string, data) { var ast = Handlebars.parse(string); var environment = new Handlebars.Compiler().compile(ast); return new Handlebars.JavaScriptCompiler().compile(environment, data); }, invokePartial: function(partial, name, context, helpers, partials) { if(partial === undefined) { throw new Handlebars.Exception("The partial " + name + " could not be found"); } else if(partial instanceof Function) { return partial(context, helpers, partials); } else { partials[name] = Handlebars.VM.compile(partial); return partials[name](context, helpers, partials); } } }; Handlebars.compile = Handlebars.VM.compile;;