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wezm.net/output/js/handlebars.js

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Replace Mojo with Handlebars
2011-05-04 21:23:39 +00:00
// 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 = {
"<": "&lt;",
">": "&gt;"
};
var badChars = /&(?!\w+;)|[<>]/g;
var possible = /[&<>]/
var escapeChar = function(chr) {
return escape[chr] || "&amp;"
};
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;;
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