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// Copyright (C) 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2009-2015, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#ifndef FPHDLIMP_H
#define FPHDLIMP_H
#if !UCONFIG_NO_FORMATTING
#include "unicode/utypes.h"
#include "unicode/fieldpos.h"
#include "unicode/fpositer.h"
U_NAMESPACE_BEGIN
// utility FieldPositionHandler
// base class, null implementation
class U_I18N_API FieldPositionHandler: public UMemory {
public:
virtual ~FieldPositionHandler();
virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
virtual void shiftLast(int32_t delta);
virtual UBool isRecording(void) const;
};
// utility subclass FieldPositionOnlyHandler
class FieldPositionOnlyHandler : public FieldPositionHandler {
FieldPosition& pos;
public:
FieldPositionOnlyHandler(FieldPosition& pos);
virtual ~FieldPositionOnlyHandler();
virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
virtual void shiftLast(int32_t delta);
virtual UBool isRecording(void) const;
};
// utility subclass FieldPositionIteratorHandler
class FieldPositionIteratorHandler : public FieldPositionHandler {
FieldPositionIterator* iter; // can be NULL
UVector32* vec;
UErrorCode status;
// Note, we keep a reference to status, so if status is on the stack, we have
// to be destroyed before status goes out of scope. Easiest thing is to
// allocate us on the stack in the same (or narrower) scope as status has.
// This attempts to encourage that by blocking heap allocation.
void *operator new(size_t s);
void *operator new[](size_t s);
public:
FieldPositionIteratorHandler(FieldPositionIterator* posIter, UErrorCode& status);
~FieldPositionIteratorHandler();
virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
virtual void shiftLast(int32_t delta);
virtual UBool isRecording(void) const;
};
U_NAMESPACE_END
#endif /* !UCONFIG_NO_FORMATTING */
#endif /* FPHDLIMP_H */
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