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48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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******************************************************************************
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* Copyright (C) 2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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******************************************************************************
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* sharedbreakiterator.h
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*/
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#ifndef __SHARED_BREAKITERATOR_H__
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#define __SHARED_BREAKITERATOR_H__
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#include "unicode/utypes.h"
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#include "sharedobject.h"
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#if !UCONFIG_NO_BREAK_ITERATION
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U_NAMESPACE_BEGIN
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class BreakIterator;
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// SharedBreakIterator encapsulates a shared BreakIterator. Because
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// BreakIterator has mutable semantics, clients must ensure that all uses
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// of a particular shared BreakIterator is protected by the same mutex
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// ensuring that only one thread at a time gets access to that shared
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// BreakIterator. Clients can accomplish this by creating a mutex for all
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// uses of break iterator within a particular class. Then objects of that
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// class may then freely share break iterators among themselves. However,
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// these shared break iterators must never be exposed outside of that class.
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class U_I18N_API SharedBreakIterator : public SharedObject {
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public:
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SharedBreakIterator(BreakIterator *biToAdopt);
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virtual ~SharedBreakIterator();
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BreakIterator *get() const { return ptr; }
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BreakIterator *operator->() const { return ptr; }
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BreakIterator &operator*() const { return *ptr; }
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private:
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BreakIterator *ptr;
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SharedBreakIterator(const SharedBreakIterator &);
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SharedBreakIterator &operator=(const SharedBreakIterator &);
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};
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U_NAMESPACE_END
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#endif
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#endif
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