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Turma 3 - Exercicio 2 - Engine de Template
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var objeto = { | |
nome: "Christiano Milfont", telefone: "23423423", idade: 18, | |
paginacao: function(name) { return name; } | |
}; | |
var template = "<div> #{paginacao(nome)} #{nome} \ | |
- #{telefone} - #{ (idade >= 18)? \"permitido\": \"proibido\" }</div>"; | |
function Engine(tmpl) { | |
var _pattern = /\#\{([^}]+)\}/g; | |
var _json = {}; | |
this.compiled; | |
this.mapa = {}; | |
var copiar = function(origem, destino) { | |
for(var propriedade in origem) { | |
destino[propriedade] = origem[propriedade]; | |
} | |
}; | |
this.parse = function(json) { | |
var self = this; | |
_json = json; | |
return this.compiled.replace(_pattern, function(match, value, index){ | |
var parser = self.mapa[value]; | |
return parser(json, copiar); | |
}); | |
}; | |
this.construir = function(index, expression) { | |
var corpo = "copiar(self, this);"; | |
corpo += (" return " + expression + ";"); | |
this.mapa[index] = new Function("self", "copiar", corpo); | |
}; | |
this.compile = function() { | |
var self = this; | |
this.compiled = tmpl.replace(_pattern, function(match, expression, index){ | |
self.construir(index, expression); | |
return "#{" + index + "}"; | |
}); | |
return this; | |
} | |
} | |
var engine = new Engine(template).compile(); | |
console.log(engine); | |
engine.parse(objeto); |
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