// lib/handlebars/base.js var Handlebars = {};
Handlebars.VERSION = “1.0.beta.2”;
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('helperMissing', function(arg) {
if(arguments.length === 2) { return undefined; } else { throw new Error("Could not find property '" + arg + "'"); }
});
Handlebars.registerHelper('blockHelperMissing', function(context, options) {
var inverse = options.inverse || function() {}, fn = options.fn; 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); }
});
Handlebars.registerHelper('each', function(context, options) {
var fn = options.fn, inverse = options.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, options) {
if(!context || Handlebars.Utils.isEmpty(context)) { return options.inverse(this); } else { return options.fn(this); }
});
Handlebars.registerHelper('unless', function(context, options) {
var fn = options.fn, inverse = options.inverse; options.fn = inverse; options.inverse = fn; return Handlebars.helpers['if'].call(this, context, options);
});
Handlebars.registerHelper('with', function(context, options) {
return options.fn(context);
});
Handlebars.registerHelper('log', function(context) {
Handlebars.log(context);
}); ; // lib/handlebars/compiler/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,“INTEGER”:29,“BOOLEAN”:30,“hashSegments”:31,“hashSegment”:32,“ID”:33,“EQUALS”:34,“pathSegments”:35,“SEP”:36,“$accept”:0,“$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”,29:“INTEGER”,30:“BOOLEAN”,33:“ID”,34:“EQUALS”,36:“SEP”}, productions_: [0,,[4,3],,[4,0],,[6,2],,[8,3],,[8,1],,[8,1],,[9,3],,[12,3],,[13,3],,[7,2],,[17,2],,[17,1],,[25,1],,[27,1],,[27,1],,[31,2],,[32,3],,[32,3],,[21,1],,[35,1]], performAction: function anonymous(yytext,yyleng,yylineno,yy,yystate,$$,_$) {
var $0 = $$.length - 1; switch (yystate) { case 1: return $$[$0-1] break; case 2: this.$ = new yy.ProgramNode($$, $$[$0]) break; case 3: this.$ = new yy.ProgramNode($$) break; case 4: this.$ = new yy.ProgramNode([]) break; case 5: this.$ = [$$[$0]] break; case 6: $$[$0-1].push($$); this.$ = $$[$0-1] break; case 7: this.$ = new yy.InverseNode($$, $$[$0-1], $$[$0]) break; case 8: this.$ = new yy.BlockNode($$, $$[$0-1], $$[$0]) break; case 9: this.$ = $$[$0] break; case 10: this.$ = $$[$0] break; case 11: this.$ = new yy.ContentNode($$) break; case 12: this.$ = new yy.CommentNode($$) break; case 13: this.$ = new yy.MustacheNode($$[0], $$[$0-1]) break; case 14: this.$ = new yy.MustacheNode($$[0], $$[$0-1]) break; case 15: this.$ = $$[$0-1] break; case 16: this.$ = new yy.MustacheNode($$[0], $$[$0-1]) break; case 17: this.$ = new yy.MustacheNode($$[0], $$[$0-1], true) break; case 18: this.$ = new yy.PartialNode($$) break; case 19: this.$ = new yy.PartialNode($$, $$[$0-1]) break; case 20: break; case 21: this.$ = [[$$[$0-2]].concat($$), $$[$0]] break; case 22: this.$ = [[$$[$0-1]].concat($$), null] break; case 23: this.$ = [[$$[$0-1]], $$[$0]] break; case 24: this.$ = [[$$[$0]], null] break; case 25: $$[$0-1].push($$); this.$ = $$[$0-1]; break; case 26: this.$ = [$$[$0]] break; case 27: this.$ = $$[$0] break; case 28: this.$ = new yy.StringNode($$) break; case 29: this.$ = new yy.IntegerNode($$) break; case 30: this.$ = new yy.BooleanNode($$) break; case 31: this.$ = new yy.HashNode($$) break; case 32: $$[$0-1].push($$); this.$ = $$[$0-1] break; case 33: this.$ = [$$[$0]] break; case 34: this.$ = [$$[$0-2], $$[$0]] break; case 35: this.$ = [$$[$0-2], new yy.StringNode($$)] break; case 36: this.$ = [$$[$0-2], new yy.IntegerNode($$)] break; case 37: this.$ = [$$[$0-2], new yy.BooleanNode($$)] break; case 38: this.$ = new yy.IdNode($$) break; case 39: $$[$0-2].push($$); this.$ = $$[$0-2]; break; case 40: this.$ = [$$[$0]] break; } }, table: [{3:1,4:2,5:,6:3,8:4,9:5,11:6,12:7,13:8,14:,15:,16:,19:,22:,23:,24:},{1:},{5:},{5:,7:17,8:18,9:5,11:6,12:7,13:8,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{4:20,6:3,8:4,9:5,11:6,12:7,13:8,14:,15:,16:,19:,20:,22:,23:,24:},{4:21,6:3,8:4,9:5,11:6,12:7,13:8,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{17:22,21:23,33:,35:24},{17:26,21:23,33:,35:24},{17:27,21:23,33:,35:24},{17:28,21:23,33:,35:24},{21:29,33:,35:24},{1:},{6:30,8:4,9:5,11:6,12:7,13:8,14:,15:,16:,19:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{17:22,18:,21:23,33:,35:24},{10:32,20:},{10:34,20:},{18:},{18:,21:40,25:36,26:37,27:38,28:,29:,30:,31:39,32:44,33:,35:24},{18:,28:,29:,30:,33:,36:},{18:,28:,29:,30:,33:,36:},{18:},{18:},{18:},{18:,21:51,33:,35:24},{5:,8:18,9:5,11:6,12:7,13:8,14:,15:,16:,19:,20:,22:,23:,24:},{14:,15:,16:,19:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{21:52,33:,35:24},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{14:,15:,16:,19:,20:,22:,23:,24:},{18:,21:40,26:53,27:54,28:,29:,30:,31:39,32:44,33:,35:24},{18:},{18:,28:,29:,30:,33:},{18:,32:55,33:},{18:,28:,29:,30:,33:},{18:,28:,29:,30:,33:},{18:,28:,29:,30:,33:},{18:,28:,29:,30:,33:},{18:,33:},{18:,28:,29:,30:,33:,34:,36:},{33:},{14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{18:},{18:},{18:},{18:,28:,29:,30:,33:},{18:,33:},{34:},{21:61,28:,29:,30:,33:,35:24},{18:,28:,29:,30:,33:,36:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{5:,14:,15:,16:,19:,20:,22:,23:,24:},{18:,33:},{18:,33:},{18:,33:},{18:,33:}], defaultActions: {16:,37:,53:}, 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; if (typeof this.lexer.yylloc == 'undefined') this.lexer.yylloc = {}; 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[0].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 34; break; case 12: return 33; break; case 13: return 33; break; case 14: return 36; 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 30; break; case 20: return 30; break; case 21: return 29; break; case 22: return 33; break; case 23: yy_.yytext = yy_.yytext.substr(1, yy_.yyleng-2); return 33; break; case 24: return 'INVALID'; break; case 25: return 5; break; } }; lexer.rules = [/^[^x00]*?(?=({{))/,/^[^x00]+/,/^{{>/,/^{{#/,/^{{//,/^{{^/,/^{{s*elseb/,/^{{{/,/^{{&/,/^{{![sS]*?}}/,/^{{/,/^=/,/^.(?=[} ])/,/^../,/^[/.]/,/^s+/,/^}}}/,/^}}/,/^“(\[”]|[^“])*”/,/^true(?=)/,/^false(?=)/,/^[0-9]+(?=)/,/^[a-zA-Z0-9_$-]+(?=)/,/^[.*]/,/^./,/^$/]; lexer.conditions = {“mu”:{“rules”:,“inclusive”:false},“INITIAL”:{“rules”:,“inclusive”:true}};return lexer;})() parser.lexer = lexer; return parser; })();; // lib/handlebars/compiler/base.js 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.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/compiler/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") { this.isScoped = true; } else { dig.push(part); } } this.parts = dig; this.string = dig.join('.'); this.depth = depth; this.isSimple = (dig.length === 1) && (depth === 0); }; Handlebars.AST.StringNode = function(string) { this.type = "STRING"; this.string = string; }; Handlebars.AST.IntegerNode = function(integer) { this.type = "INTEGER"; this.integer = integer; }; Handlebars.AST.BooleanNode = function(bool) { this.type = "BOOLEAN"; this.bool = bool; }; Handlebars.AST.CommentNode = function(comment) { this.type = "comment"; this.comment = comment; };
})();; // lib/handlebars/utils.js Handlebars.Exception = function(message) {
var tmp = Error.prototype.constructor.apply(this, arguments); for (var p in tmp) { if (tmp.hasOwnProperty(p)) { this[p] = tmp[p]; } }
}; Handlebars.Exception.prototype = new Error;
// 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 = /[&<>"'`]/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/compiler/compiler.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, assignToHash: 15, pushStringParam: 16 }; Compiler.MULTI_PARAM_OPCODES = { appendContent: 1, getContext: 1, lookupWithHelpers: 2, lookup: 1, invokeMustache: 3, pushString: 1, truthyOrFallback: 1, functionOrFallback: 1, invokeProgram: 3, invokePartial: 1, push: 1, assignToHash: 1, pushStringParam: 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 = { compiler: Compiler, 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, options) { this.children = []; this.depths = {list: []}; this.options = options; // These changes will propagate to the other compiler components var knownHelpers = this.options.knownHelpers; this.options.knownHelpers = { 'helperMissing': true, 'blockHelperMissing': true, 'each': true, 'if': true, 'unless': true, 'with': true, 'log': true }; if (knownHelpers) { for (var name in knownHelpers) { this.options.knownHelpers[name] = knownHelpers[name]; } } 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.isSimple = l === 1; this.depths.list = this.depths.list.sort(function(a, b) { return a - b; }); return this; }, compileProgram: function(program) { var result = new this.compiler().compile(program, this.options); 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, !!mustache.hash); this.declare('inverse', null); this.opcode('append'); }, inverse: function(block) { var params = this.setupStackForMustache(block.mustache); var programGuid = this.compileProgram(block.program); this.declare('inverse', programGuid); this.opcode('invokeProgram', null, params.length, !!block.mustache.hash); 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', 'depth0'); } 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, !!mustache.hash); 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, id.isScoped || false); 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); }, INTEGER: function(integer) { this.opcode('push', integer.integer); }, BOOLEAN: function(bool) { this.opcode('push', bool.bool); }, comment: function() {}, // HELPERS pushParams: function(params) { var i = params.length, param; while(i--) { param = params[i]; if(this.options.stringParams) { if(param.depth) { this.addDepth(param.depth); } this.opcode('getContext', param.depth || 0); this.opcode('pushStringParam', param.string); } else { this[param.type](param); } } }, opcode: function(name, val1, val2, val3) { this.opcodes.push(Compiler.OPCODE_MAP[name]); if(val1 !== undefined) { this.opcodes.push(val1); } if(val2 !== undefined) { this.opcodes.push(val2); } if(val3 !== undefined) { this.opcodes.push(val3); } }, 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); } 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 (/^[0-9]+$/.test(name)) { return parent + "[" + name + "]"; } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) { return parent + "." + name; } else { return parent + "['" + name + "']"; } }, appendToBuffer: function(string) { if (this.environment.isSimple) { return "return " + string + ";"; } else { return "buffer += " + string + ";"; } }, initializeBuffer: function() { return this.quotedString(""); }, namespace: "Handlebars", // END PUBLIC API compile: function(environment, options, context, asObject) { this.environment = environment; this.options = options || {}; this.name = this.environment.name; this.isChild = !!context; this.context = context || { programs: [], aliases: { self: 'this' }, registers: {list: []} }; this.preamble(); this.stackSlot = 0; this.stackVars = []; this.compileChildren(environment, options); var opcodes = environment.opcodes, opcode; 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.createFunctionContext(asObject); }, 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 = []; if (!this.isChild) { var namespace = this.namespace; var copies = "helpers = helpers || " + namespace + ".helpers;"; if(this.environment.usePartial) { copies = copies + " partials = partials || " + namespace + ".partials;"; } out.push(copies); } else { out.push(''); } if (!this.environment.isSimple) { out.push(", buffer = " + this.initializeBuffer()); } else { out.push(""); } // 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; }, createFunctionContext: function(asObject) { var locals = this.stackVars; if (!this.isChild) { locals = locals.concat(this.context.registers.list); } if(locals.length > 0) { this.source[1] = this.source[1] + ", " + locals.join(", "); } // Generate minimizer alias mappings if (!this.isChild) { var aliases = [] for (var alias in this.context.aliases) { this.source[1] = this.source[1] + ', ' + alias + '=' + this.context.aliases[alias]; } } if (this.source[1]) { this.source[1] = "var " + this.source[1].substring(2) + ";"; } // Merge children if (!this.isChild) { this.source[1] += '\n' + this.context.programs.join('\n') + '\n'; } if (!this.environment.isSimple) { this.source.push("return buffer;"); } var params = this.isChild ? ["depth0", "data"] : ["Handlebars", "depth0", "helpers", "partials", "data"]; for(var i=0, l=this.environment.depths.list.length; i<l; i++) { params.push("depth" + this.environment.depths.list[i]); } if (asObject) { params.push(this.source.join("\n ")); return Function.apply(this, params); } else { var functionSource = 'function ' + (this.name || '') + '(' + params.join(',') + ') {\n ' + this.source.join("\n ") + '}'; Handlebars.log(Handlebars.logger.DEBUG, functionSource + "\n\n"); return functionSource; } }, 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) + " }"); if (this.environment.isSimple) { this.source.push("else { " + this.appendToBuffer("''") + " }"); } }, appendEscaped: function() { var opcode = this.nextOpcode(1), extra = ""; this.context.aliases.escapeExpression = 'this.escapeExpression'; if(opcode[0] === 'appendContent') { extra = " + " + this.quotedString(opcode[1][0]); this.eat(opcode); } this.source.push(this.appendToBuffer("escapeExpression(" + this.popStack() + ")" + extra)); }, getContext: function(depth) { if(this.lastContext !== depth) { this.lastContext = depth; } }, lookupWithHelpers: function(name, isScoped) { if(name) { var topStack = this.nextStack(); this.usingKnownHelper = false; var toPush; if (!isScoped && this.options.knownHelpers[name]) { toPush = topStack + " = " + this.nameLookup('helpers', name, 'helper'); this.usingKnownHelper = true; } else if (isScoped || this.options.knownHelpersOnly) { toPush = topStack + " = " + this.nameLookup('depth' + this.lastContext, name, 'context'); } else { toPush = topStack + " = " + this.nameLookup('helpers', name, 'helper') + " || " + this.nameLookup('depth' + this.lastContext, name, 'context'); } toPush += ';'; this.source.push(toPush); } else { this.pushStack('depth' + this.lastContext); } }, lookup: function(name) { var topStack = this.topStack(); this.source.push(topStack + " = (" + topStack + " === null || " + topStack + " === undefined || " + topStack + " === false ? " + topStack + " : " + this.nameLookup(topStack, name, 'context') + ");"); }, pushStringParam: function(string) { this.pushStack('depth' + this.lastContext); this.pushString(string); }, pushString: function(string) { this.pushStack(this.quotedString(string)); }, push: function(name) { this.pushStack(name); }, invokeMustache: function(paramSize, original, hasHash) { this.populateParams(paramSize, this.quotedString(original), "{}", null, hasHash, function(nextStack, helperMissingString, id) { if (!this.usingKnownHelper) { this.context.aliases.helperMissing = 'helpers.helperMissing'; this.context.aliases.undef = 'void 0'; this.source.push("else if(" + id + "=== undef) { " + nextStack + " = helperMissing.call(" + helperMissingString + "); }"); if (nextStack !== id) { this.source.push("else { " + nextStack + " = " + id + "; }"); } } }); }, invokeProgram: function(guid, paramSize, hasHash) { var inverse = this.programExpression(this.inverse); var mainProgram = this.programExpression(guid); this.populateParams(paramSize, null, mainProgram, inverse, hasHash, function(nextStack, helperMissingString, id) { if (!this.usingKnownHelper) { this.context.aliases.blockHelperMissing = 'helpers.blockHelperMissing'; this.source.push("else { " + nextStack + " = blockHelperMissing.call(" + helperMissingString + "); }"); } }); }, populateParams: function(paramSize, helperId, program, inverse, hasHash, fn) { var needsRegister = hasHash || this.options.stringParams || inverse || this.options.data; var id = this.popStack(), nextStack; var params = [], param, stringParam, stringOptions; if (needsRegister) { this.register('tmp1', program); stringOptions = 'tmp1'; } else { stringOptions = '{ hash: {} }'; } if (needsRegister) { var hash = (hasHash ? this.popStack() : '{}'); this.source.push('tmp1.hash = ' + hash + ';'); } if(this.options.stringParams) { this.source.push('tmp1.contexts = [];'); } for(var i=0; i<paramSize; i++) { param = this.popStack(); params.push(param); if(this.options.stringParams) { this.source.push('tmp1.contexts.push(' + this.popStack() + ');'); } } if(inverse) { this.source.push('tmp1.fn = tmp1;'); this.source.push('tmp1.inverse = ' + inverse + ';'); } if(this.options.data) { this.source.push('tmp1.data = data;'); } params.push(stringOptions); this.populateCall(params, id, helperId || id, fn); }, populateCall: function(params, id, helperId, fn) { var paramString = ["depth0"].concat(params).join(", "); var helperMissingString = ["depth0"].concat(helperId).concat(params).join(", "); var nextStack = this.nextStack(); if (this.usingKnownHelper) { this.source.push(nextStack + " = " + id + ".call(" + paramString + ");"); } else { this.context.aliases.functionType = '"function"'; this.source.push("if(typeof " + id + " === functionType) { " + nextStack + " = " + id + ".call(" + paramString + "); }"); } fn.call(this, nextStack, helperMissingString, id); this.usingKnownHelper = false; }, invokePartial: function(context) { this.pushStack("self.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, options) { var children = environment.children, child, compiler; for(var i=0, l=children.length; i<l; i++) { child = children[i]; compiler = new this.compiler(); this.context.programs.push(''); // Placeholder to prevent name conflicts for nested children var index = this.context.programs.length; child.index = index; child.name = 'program' + index; this.context.programs[index] = compiler.compile(child, options, this.context); } }, programExpression: function(guid) { if(guid == null) { return "self.noop"; } var child = this.environment.children[guid], depths = child.depths.list; var programParams = [child.index, child.name, "data"]; for(var i=0, l = depths.length; i<l; i++) { depth = depths[i]; if(depth === 1) { programParams.push("depth0"); } else { programParams.push("depth" + (depth - 1)); } } if(depths.length === 0) { return "self.program(" + programParams.join(", ") + ")"; } else { programParams.shift(); return "self.programWithDepth(" + programParams.join(", ") + ")"; } }, register: function(name, val) { this.useRegister(name); this.source.push(name + " = " + val + ";"); }, useRegister: function(name) { if(!this.context.registers[name]) { this.context.registers[name] = true; this.context.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(/\\/g, '\\\\') .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(" "); var compilerWords = JavaScriptCompiler.RESERVED_WORDS = {}; for(var i=0, l=reservedWords.length; i<l; i++) { compilerWords[reservedWords[i]] = true; } JavaScriptCompiler.isValidJavaScriptVariableName = function(name) { if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) { return true; } return false; }
})(Handlebars.Compiler, Handlebars.JavaScriptCompiler);
Handlebars.precompile = function(string, options) {
options = options || {}; var ast = Handlebars.parse(string); var environment = new Handlebars.Compiler().compile(ast, options); return new Handlebars.JavaScriptCompiler().compile(environment, options);
};
Handlebars.compile = function(string, options) {
options = options || {}; var compiled; function compile() { var ast = Handlebars.parse(string); var environment = new Handlebars.Compiler().compile(ast, options); var templateSpec = new Handlebars.JavaScriptCompiler().compile(environment, options, undefined, true); return Handlebars.template(templateSpec); } // Template is only compiled on first use and cached after that point. return function(context, options) { if (!compiled) { compiled = compile(); } return compiled.call(this, context, options); };
}; ; // lib/handlebars/vm.js Handlebars.VM = {
template: function(templateSpec) { // Just add water var container = { escapeExpression: Handlebars.Utils.escapeExpression, invokePartial: Handlebars.VM.invokePartial, programs: [], program: function(i, fn, data) { var programWrapper = this.programs[i]; if(data) { return Handlebars.VM.program(fn, data); } else if(programWrapper) { return programWrapper; } else { programWrapper = this.programs[i] = Handlebars.VM.program(fn); return programWrapper; } }, programWithDepth: Handlebars.VM.programWithDepth, noop: Handlebars.VM.noop }; return function(context, options) { options = options || {}; return templateSpec.call(container, Handlebars, context, options.helpers, options.partials, options.data); }; }, programWithDepth: function(fn, data, $depth) { var args = Array.prototype.slice.call(arguments, 2); return function(context, options) { options = options || {}; return fn.apply(this, [context, options.data || data].concat(args)); }; }, program: function(fn, data) { return function(context, options) { options = options || {}; return fn(context, options.data || data); }; }, noop: function() { return ""; }, 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: helpers, partials: partials}); } else if (!Handlebars.compile) { throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in vm mode"); } else { partials[name] = Handlebars.compile(partial); return partials[name](context, {helpers: helpers, partials: partials}); } }
};
Handlebars.template = Handlebars.VM.template; ;