* Copyright 2014, Rene Gollent, rene@gollent.com.
* Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
* Distributed under the terms of the MIT License.
*/
#ifndef EXPRESSION_VALUES_H
#define EXPRESSION_VALUES_H
#include <String.h>
#include <Referenceable.h>
#include <util/OpenHashTable.h>
#include <Variant.h>
class FunctionID;
class Thread;
class ExpressionValues : public BReferenceable {
public:
ExpressionValues();
ExpressionValues(const ExpressionValues& other);
virtual ~ExpressionValues();
status_t Init();
bool GetValue(FunctionID* function,
Thread* thread,
const BString* expression,
BVariant& _value) const;
inline bool GetValue(FunctionID* function,
Thread* thread,
const BString& expression,
BVariant& _value) const;
bool HasValue(FunctionID* function,
Thread* thread,
const BString* expression) const;
inline bool HasValue(FunctionID* function,
Thread* thread,
const BString& expression) const;
status_t SetValue(FunctionID* function,
Thread* thread,
const BString& expression,
const BVariant& value);
private:
struct Key;
struct ValueEntry;
struct ValueEntryHashDefinition;
typedef BOpenHashTable<ValueEntryHashDefinition> ValueTable;
private:
ExpressionValues& operator=(const ExpressionValues& other);
void _Cleanup();
private:
ValueTable* fValues;
};
bool
ExpressionValues::GetValue(FunctionID* function, Thread* thread,
const BString& expression, BVariant& _value) const
{
return GetValue(function, thread, &expression, _value);
}
bool
ExpressionValues::HasValue(FunctionID* function, Thread* thread,
const BString& expression) const
{
return HasValue(function, thread, &expression);
}
#endif
