michael@0: /*
michael@0: *******************************************************************************
michael@0: * Copyright (C) 2009-2010, International Business Machines Corporation and    *
michael@0: * others. All Rights Reserved.                                                *
michael@0: *******************************************************************************
michael@0: */
michael@0: 
michael@0: #ifndef FPHDLIMP_H
michael@0: #define FPHDLIMP_H
michael@0: 
michael@0: #if !UCONFIG_NO_FORMATTING
michael@0: 
michael@0: #include "unicode/utypes.h"
michael@0: #include "unicode/fieldpos.h"
michael@0: #include "unicode/fpositer.h"
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: // utility FieldPositionHandler
michael@0: // base class, null implementation
michael@0: 
michael@0: class FieldPositionHandler: public UMemory {
michael@0:  public:
michael@0:   virtual ~FieldPositionHandler();
michael@0:   virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
michael@0:   virtual void shiftLast(int32_t delta);
michael@0:   virtual UBool isRecording(void);
michael@0: };
michael@0: 
michael@0: 
michael@0: // utility subclass FieldPositionOnlyHandler
michael@0: 
michael@0: class FieldPositionOnlyHandler : public FieldPositionHandler {
michael@0:   FieldPosition& pos;
michael@0: 
michael@0:  public:
michael@0:   FieldPositionOnlyHandler(FieldPosition& pos);
michael@0:   virtual ~FieldPositionOnlyHandler();
michael@0: 
michael@0:   virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
michael@0:   virtual void shiftLast(int32_t delta);
michael@0:   virtual UBool isRecording(void);
michael@0: };
michael@0: 
michael@0: 
michael@0: // utility subclass FieldPositionIteratorHandler
michael@0: 
michael@0: class FieldPositionIteratorHandler : public FieldPositionHandler {
michael@0:   FieldPositionIterator* iter; // can be NULL
michael@0:   UVector32* vec;
michael@0:   UErrorCode status;
michael@0: 
michael@0:   // Note, we keep a reference to status, so if status is on the stack, we have
michael@0:   // to be destroyed before status goes out of scope.  Easiest thing is to
michael@0:   // allocate us on the stack in the same (or narrower) scope as status has.
michael@0:   // This attempts to encourage that by blocking heap allocation.
michael@0:   void *operator new(size_t s);
michael@0:   void *operator new[](size_t s);
michael@0: 
michael@0:  public:
michael@0:   FieldPositionIteratorHandler(FieldPositionIterator* posIter, UErrorCode& status);
michael@0:   ~FieldPositionIteratorHandler();
michael@0: 
michael@0:   virtual void addAttribute(int32_t id, int32_t start, int32_t limit);
michael@0:   virtual void shiftLast(int32_t delta);
michael@0:   virtual UBool isRecording(void);
michael@0: };
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: 
michael@0: #endif /* !UCONFIG_NO_FORMATTING */
michael@0: 
michael@0: #endif /* FPHDLIMP_H */