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60 lines
2.8 KiB
60 lines
2.8 KiB
9 years ago
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/*
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******************************************************************************
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*
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* Copyright (C) 1999-2010, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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******************************************************************************/
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/*----------------------------------------------------------------------------------
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*
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* UDataMemory A class-like struct that serves as a handle to a piece of memory
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* that contains some ICU data (resource, converters, whatever.)
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*
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* When an application opens ICU data (with udata_open, for example,
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* a UDataMemory * is returned.
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*
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*----------------------------------------------------------------------------------*/
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#ifndef __UDATAMEM_H__
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#define __UDATAMEM_H__
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#include "unicode/udata.h"
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#include "ucmndata.h"
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struct UDataMemory {
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const commonDataFuncs *vFuncs; /* Function Pointers for accessing TOC */
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const DataHeader *pHeader; /* Header of the memory being described by this */
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/* UDataMemory object. */
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const void *toc; /* For common memory, table of contents for */
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/* the pieces within. */
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UBool heapAllocated; /* True if this UDataMemory Object is on the */
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/* heap and thus needs to be deleted when closed. */
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void *mapAddr; /* For mapped or allocated memory, the start addr. */
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/* Only non-null if a close operation should unmap */
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/* the associated data. */
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void *map; /* Handle, or other data, OS dependent. */
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/* Only non-null if a close operation should unmap */
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/* the associated data, and additional info */
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/* beyond the mapAddr is needed to do that. */
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int32_t length; /* Length of the data in bytes; -1 if unknown. */
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};
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U_CFUNC UDataMemory *UDataMemory_createNewInstance(UErrorCode *pErr);
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U_CFUNC void UDatamemory_assign (UDataMemory *dest, UDataMemory *source);
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U_CFUNC void UDataMemory_init (UDataMemory *This);
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U_CFUNC UBool UDataMemory_isLoaded(const UDataMemory *This);
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U_CFUNC void UDataMemory_setData (UDataMemory *This, const void *dataAddr);
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U_CFUNC const DataHeader *UDataMemory_normalizeDataPointer(const void *p);
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U_CAPI int32_t U_EXPORT2
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udata_getLength(const UDataMemory *pData);
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U_CAPI const void * U_EXPORT2
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udata_getRawMemory(const UDataMemory *pData);
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#endif
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