CS252-Shell-Project/IfCommand.cc at main · code-help-tutor/CS252-Shell-Project · GitHub

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#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/wait.h>

#include "Command.hh"
#include "SimpleCommand.hh"
#include "IfCommand.hh"

IfCommand::IfCommand() {
    _condition = NULL;
    _listCommands =  NULL;
}


// Run condition with command "test" and return the exit value.
int
IfCommand::runTest(SimpleCommand * condition) {
    condition->print();
    return 1;
}

void
IfCommand::insertCondition( SimpleCommand * condition ) {
    _condition = condition;
}

void
IfCommand::insertListCommands( ListCommands * listCommands) {
    _listCommands = listCommands;
}

void
IfCommand::clear() {
}

void
IfCommand::print() {
    printf("IF [ \n");
    this->_condition->print();
    printf("   ]; then\n");
    this->_listCommands->print();
}

void
IfCommand::execute() {
    // Run command if test is 0
    if (runTest(this->_condition) == 0) {
	_listCommands->execute();
    }
}