scuffed-code/icu4c/source/common/dbbi_tbl.h
2002-10-04 01:23:34 +00:00

91 lines
3.1 KiB
C++

/*
**********************************************************************
* Copyright (C) 1999-2000 IBM Corp. All rights reserved.
**********************************************************************
* Date Name Description
* 12/1/99 rgillam Complete port from Java.
* 01/13/2000 helena Added UErrorCode to ctors.
**********************************************************************
*/
#ifndef DBBI_TBL_H
#define DBBI_TBL_H
#include "unicode/utypes.h"
#include "unicode/uobject.h"
#include "unicode/udata.h"
#include "brkdict.h"
U_NAMESPACE_BEGIN
/* forward declaration */
class DictionaryBasedBreakIterator;
//
// DictionaryBasedBreakIteratorTables
//
// This class sits between instances of DictionaryBasedBreakIterator
// and the dictionary data itself, which is of type BreakDictionary.
// It provides reference counting, allowing multiple copies of a
// DictionaryBasedBreakIterator to share a single instance of
// BreakDictionary.
//
// TODO: it'd probably be cleaner to add the reference counting to
// BreakDictionary and get rid of this class, but doing it this way
// was a convenient transition from earlier code, and time is short...
//
class DictionaryBasedBreakIteratorTables : public UMemory {
private:
int32_t fRefCount;
public:
//=======================================================================
// constructor
//=======================================================================
/* @param dictionaryFilename The name of the dictionary file
* @param status The error code
* @return the newly created DictionaryBasedBreakIteratorTables
**/
DictionaryBasedBreakIteratorTables(const char* dictionaryFilename,
UErrorCode& status);
BreakDictionary *fDictionary;
void addReference();
void removeReference();
/**
* Destructor. Should not be used directly. Use removeReference() istead.
* (Not private to avoid compiler warnings.)
*/
virtual ~DictionaryBasedBreakIteratorTables();
private:
/**
* The copy constructor is declared private and not implemented.
* THIS CLASS MAY NOT BE COPIED.
* @param that The DictionaryBasedBreakIteratorTables to be copied.
* @return the newly constructed DictionaryBasedBreakIteratorTables.
*/
DictionaryBasedBreakIteratorTables(const DictionaryBasedBreakIteratorTables& that);
//=======================================================================
// boilerplate
//=======================================================================
/**
* The assignment operator is declared private and not implemented.
* THIS CLASS MAY NOT BE COPIED.
* Call addReference() and share an existing copy instead.
* @that The object to be copied
* @return the newly created DictionaryBasedBreakIteratorTables.
*/
DictionaryBasedBreakIteratorTables& operator=(
const DictionaryBasedBreakIteratorTables& that);
};
U_NAMESPACE_END
#endif