224 lines
5.8 KiB
JavaScript
224 lines
5.8 KiB
JavaScript
// lib/handlebars/base.js
|
|
var Handlebars = {};
|
|
|
|
Handlebars.VERSION = "1.0.beta.6";
|
|
|
|
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 + "'");
|
|
}
|
|
});
|
|
|
|
var toString = Object.prototype.toString, functionType = "[object Function]";
|
|
|
|
Handlebars.registerHelper('blockHelperMissing', function(context, options) {
|
|
var inverse = options.inverse || function() {}, fn = options.fn;
|
|
|
|
|
|
var ret = "";
|
|
var type = toString.call(context);
|
|
|
|
if(type === functionType) { context = context.call(this); }
|
|
|
|
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) {
|
|
var type = toString.call(context);
|
|
if(type === functionType) { context = context.call(this); }
|
|
|
|
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/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]; }
|
|
}
|
|
|
|
this.message = tmp.message;
|
|
};
|
|
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 = /&(?!\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/runtime.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, data) {
|
|
options = { helpers: helpers, partials: partials, data: data };
|
|
|
|
if(partial === undefined) {
|
|
throw new Handlebars.Exception("The partial " + name + " could not be found");
|
|
} else if(partial instanceof Function) {
|
|
return partial(context, options);
|
|
} else if (!Handlebars.compile) {
|
|
throw new Handlebars.Exception("The partial " + name + " could not be compiled when running in runtime-only mode");
|
|
} else {
|
|
partials[name] = Handlebars.compile(partial);
|
|
return partials[name](context, options);
|
|
}
|
|
}
|
|
};
|
|
|
|
Handlebars.template = Handlebars.VM.template;
|
|
;
|