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