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// BoolValue.cpp: implementation of the CBoolValue class.
/*
* Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Erwin Coumans makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#include "BoolValue.h"
#include "StringValue.h"
#include "ErrorValue.h"
#include "VoidValue.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CBoolValue::CBoolValue()
/*
pre: false
effect: constructs a new CBoolValue
*/
{
trace("Bool constructor error");
}
CBoolValue::CBoolValue(bool inBool)
: m_bool(inBool)
{
} // Constructs a new CBoolValue containing <inBool>
CBoolValue::CBoolValue(bool innie,STR_String name,AllocationTYPE alloctype)
{
m_bool = innie;
SetName(name);
if (alloctype == CValue::STACKVALUE)
CValue::DisableRefCount();
}
void CBoolValue::SetValue(CValue* newval)
{
m_bool = (newval->GetNumber() != 0);
SetModified(true);
}
CValue* CBoolValue::Calc(VALUE_OPERATOR op, CValue *val)
/*
pre:
ret: a new object containing the result of applying operator op to this
object and val
*/
{
switch (op)
{
case VALUE_POS_OPERATOR:
case VALUE_NEG_OPERATOR:
{
return new CErrorValue (op2str(op) + GetText());
break;
}
case VALUE_NOT_OPERATOR:
{
return new CBoolValue (!m_bool);
break;
}
default:
{
return val->CalcFinal(VALUE_BOOL_TYPE, op, this);
break;
}
}
}
CValue* CBoolValue::CalcFinal(VALUE_DATA_TYPE dtype, VALUE_OPERATOR op, CValue *val)
/*
pre: the type of val is dtype
ret: a new object containing the result of applying operator op to val and
this object
*/
{
CValue *ret;
switch(dtype)
{
case VALUE_EMPTY_TYPE:
case VALUE_BOOL_TYPE:
{
switch(op)
{
case VALUE_AND_OPERATOR:
{
ret = new CBoolValue (((CBoolValue *) val)->GetBool() && m_bool);
break;
}
case VALUE_OR_OPERATOR:
{
ret = new CBoolValue (((CBoolValue *) val)->GetBool() || m_bool);
break;
}
case VALUE_EQL_OPERATOR:
{
ret = new CBoolValue (((CBoolValue *) val)->GetBool() == m_bool);
break;
}
case VALUE_NEQ_OPERATOR:
{
ret = new CBoolValue (((CBoolValue *) val)->GetBool() != m_bool);
break;
}
case VALUE_NOT_OPERATOR:
{
return new CBoolValue (!m_bool);
break;
}
default:
{
ret = new CErrorValue(val->GetText() + op2str(op) +
"[operator not allowed on booleans]");
break;
}
}
break;
}
case VALUE_STRING_TYPE:
{
switch(op)
{
case VALUE_ADD_OPERATOR:
{
ret = new CStringValue(val->GetText() + GetText(),"");
break;
}
default:
{
ret = new CErrorValue(val->GetText() + op2str(op) + "[Only + allowed on boolean and string]");
break;
}
}
break;
}
default:
ret = new CErrorValue("[type mismatch]" + op2str(op) + GetText());
}
return ret;
}
bool CBoolValue::GetBool()
/*
pre:
ret: the bool stored in the object
*/
{
return m_bool;
}
float CBoolValue::GetNumber()
{
return (float)m_bool;
}
const STR_String& CBoolValue::GetText()
{
static STR_String sTrueString = STR_String("TRUE");
static STR_String sFalseString = STR_String("FALSE");
return m_bool ? sTrueString : sFalseString;
}
CValue* CBoolValue::GetReplica()
{
CBoolValue* replica = new CBoolValue(*this);
CValue::AddDataToReplica(replica);
return replica;
}
PyObject* CBoolValue::ConvertValueToPython()
{
return PyInt_FromLong(m_bool != 0);
}
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