51 lines
1.8 KiB
C++
51 lines
1.8 KiB
C++
#include "__if.h"
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#include "Exception.h"
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#include <iostream>
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#include "Operand.h"
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namespace jet {
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__if::__if(coreutils::ZString &in, coreutils::MString &parentOut, Global &global, Tag *parent, Tag *local) : Tag(in, parentOut, global, parent, this, "else") {
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coreutils::MString result;
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bool booleanResult = false;
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if(keywordDefined("value1")) {
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if(keywordDefined("expr"))
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throw coreutils::Exception("Either value1 or expr can be specified but not both.");
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if(keywordDefined("value2")) {
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if(!keywordDefined("type"))
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throw coreutils::Exception("type expected if value1 and value2 specified.");
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} else
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throw coreutils::Exception("value2 required if value1 specified.");
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coreutils::MString type = resolveKeyword("type");
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if((type != "eq") &&
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(type != "ne") &&
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(type != "lt") &&
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(type != "le") &&
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(type != "gt") &&
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(type != "ge"))
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throw coreutils::Exception("type value must be 'eq','ne','lt','le','gt','ge'.");
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int rc = keywords[resolveKeyword("value1")].compare(keywords[resolveKeyword("value2")]);
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if(((type == "eq") && (rc == 0)) ||
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((type == "ne") && (rc != 0)) ||
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((type == "lt") && (rc == -1)) ||
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((type == "le") && (rc != 1)) ||
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((type == "gt") && (rc == 1)) ||
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((type == "ge") && (rc != -1)))
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booleanResult = true;
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else
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booleanResult = false;
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} else if(keywordDefined("expr")) {
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if(keywordDefined("value2"))
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throw coreutils::Exception("value2 should not be specified with expr.");
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if(keywordDefined("type"))
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throw coreutils::Exception("type should not be specified with expr.");
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booleanResult = Operand(keywords["expr"], *this).boolean;
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}
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if(booleanResult)
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processContainer(container);
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else if(hasContainer2)
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processContainer(container2);
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}
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}
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