39 lines
1.1 KiB
C++
39 lines
1.1 KiB
C++
|
|
#include "__if.h"
|
|
#include "Exception.h"
|
|
#include <iostream>
|
|
#include "Expression.h"
|
|
|
|
namespace jet {
|
|
|
|
__if::__if(coreutils::ZString &in, coreutils::MString &parent, Global &global) : Tag(in, parent, global, "else") {
|
|
|
|
coreutils::MString result;
|
|
|
|
if(variableDefined("value1")) {
|
|
if(variableDefined("expr"))
|
|
throw coreutils::Exception("Either value1 or expr can be specified but not both.");
|
|
if(variableDefined("value2")) {
|
|
if(variableDefined("type")) {
|
|
result = "true";
|
|
} else
|
|
throw coreutils::Exception("type expected if value1 and value2 specified.");
|
|
} else
|
|
throw coreutils::Exception("value2 required if value1 specified.");
|
|
} else if(variableDefined("expr")) {
|
|
if(variableDefined("value2"))
|
|
throw coreutils::Exception("value2 should not be specified with expr.");
|
|
if(variableDefined("type"))
|
|
throw coreutils::Exception("type should not be specified with expr.");
|
|
result = Expression(variables["expr"]);
|
|
}
|
|
if(result.boolValue())
|
|
processContainer(container);
|
|
else
|
|
if(hasContainer2)
|
|
processContainer(container2);
|
|
|
|
}
|
|
|
|
}
|