If.js
1.34 KB
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Parser.Statement.If = Ext.extend(Parser.Statement, {
satisfied: false,
evaluate: function() {
var ret = true, n;
for (n in this.properties) {
if (!Parser.evaluate(n, this.properties[n])) {
ret = false;
break;
}
}
return (this.isInverted ? !ret : ret);
},
parse: function(stream) {
if (this.evaluate()) {
this.satisfied = true;
}
Parser.Statement.If.superclass.parse.apply(this, arguments);
if (!this.satisfied) {
return '';
}
return this.buffer;
},
onSubStatement: function(statement, stream) {
var parsed = statement.parse(stream),
satisfied = false;
if (statement.type === 'elseif') {
if (!this.satisfied) {
if (statement.evaluate()) {
this.satisfied = true;
satisfied = true;
}
}
} else if (statement.type === 'else') {
if (!this.satisfied) {
this.satisfied = true;
satisfied = true;
}
} else {
this.pushBuffer(parsed);
return;
}
if (satisfied) {
this.resetBuffer();
this.pushBuffer(parsed);
}
}
});