ConditionScript.cc

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/*
    Copyright (c) 2002-2009 Tampere University.
 
    This file is part of TTA-Based Codesign Environment (TCE).
 
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/**
 * @file ConditionScript.cc
 *
 * Definition of ConditionScript class.
 *
 * @author Jussi Nykänen 2004 (nykanen-no.spam-cs.tut.fi)
 * @author Pekka Jääskeläinen 2005 (pjaaskel-no.spam-cs.tut.fi)
 */
 
#include <string>
using std::string;
#include <vector>
using std::vector;
 
#include "ConditionScript.hh"
 
/**
 * Constructor.
 *
 * @param interpreter Interpreter for the script.
 * @param scriptLine A line of script.
 */
ConditionScript::ConditionScript(
    ScriptInterpreter* interpreter, 
    std::string scriptLine) : Script(interpreter, scriptLine) {
}
 
/**
 * Constructor.
 *
 * @param interpreter Interpreter for the script.
 * @param script The script.
 */
ConditionScript::ConditionScript(
    ScriptInterpreter* interpreter,
    std::vector<std::string>& script) : Script(interpreter, script) {
}
 
/**
 * Destructor.
 */
ConditionScript::~ConditionScript() {
}
 
/**
 * Tests if condition is true of false.
 *
 * @return True, if condition is true, false otherwise.
 * @exception NumberFormatException If DataObject operation fails.
 * @exception ScriptExecutionFailure If script execution fails.
 */
bool
ConditionScript::conditionOk() {
    vector<string> scripts = script();
    if (scripts.size() == 1 && scripts[0] == "") {
        return true;
    }
 
    DataObject obj = execute();
    if (obj.stringValue() == "0") {
        interpreter_->setResult("");
        return false;
    }
    interpreter_->setResult("");
    return true;
}
 
/**
 * Copies the condition script.
 *
 * Allows dynamically bound copy.
 *
 * @return a new instance which is identical to this.
 */
ConditionScript* 
ConditionScript::copy() const {
    return new ConditionScript(*this);
}