| | 1 | // © 2016 and later: Unicode, Inc. and others. |
| | 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| | 3 | /* |
| | 4 | ****************************************************************************** |
| | 5 | * |
| | 6 | * Copyright (C) 1999-2010, International Business Machines |
| | 7 | * Corporation and others. All Rights Reserved. |
| | 8 | * |
| | 9 | ******************************************************************************/ |
| | 10 | |
| | 11 | |
| | 12 | /*---------------------------------------------------------------------------------- |
| | 13 | * |
| | 14 | * UDataMemory A class-like struct that serves as a handle to a piece of memory |
| | 15 | * that contains some ICU data (resource, converters, whatever.) |
| | 16 | * |
| | 17 | * When an application opens ICU data (with udata_open, for example, |
| | 18 | * a UDataMemory * is returned. |
| | 19 | * |
| | 20 | *----------------------------------------------------------------------------------*/ |
| | 21 | #ifndef __UDATAMEM_H__ |
| | 22 | #define __UDATAMEM_H__ |
| | 23 | |
| | 24 | #include "unicode/udata.h" |
| | 25 | #include "ucmndata.h" |
| | 26 | |
| | 27 | struct UDataMemory { |
| | 28 | const commonDataFuncs *vFuncs; /* Function Pointers for accessing TOC */ |
| | 29 | |
| | 30 | const DataHeader *pHeader; /* Header of the memory being described by this */ |
| | 31 | /* UDataMemory object. */ |
| | 32 | const void *toc; /* For common memory, table of contents for */ |
| | 33 | /* the pieces within. */ |
| | 34 | UBool heapAllocated; /* True if this UDataMemory Object is on the */ |
| | 35 | /* heap and thus needs to be deleted when closed. */ |
| | 36 | |
| | 37 | void *mapAddr; /* For mapped or allocated memory, the start addr. */ |
| | 38 | /* Only non-null if a close operation should unmap */ |
| | 39 | /* the associated data. */ |
| | 40 | void *map; /* Handle, or other data, OS dependent. */ |
| | 41 | /* Only non-null if a close operation should unmap */ |
| | 42 | /* the associated data, and additional info */ |
| | 43 | /* beyond the mapAddr is needed to do that. */ |
| | 44 | int32_t length; /* Length of the data in bytes; -1 if unknown. */ |
| | 45 | }; |
| | 46 | |
| | 47 | U_CFUNC UDataMemory *UDataMemory_createNewInstance(UErrorCode *pErr); |
| | 48 | U_CFUNC void UDatamemory_assign (UDataMemory *dest, UDataMemory *source); |
| | 49 | U_CFUNC void UDataMemory_init (UDataMemory *This); |
| | 50 | U_CFUNC UBool UDataMemory_isLoaded(const UDataMemory *This); |
| | 51 | U_CFUNC void UDataMemory_setData (UDataMemory *This, const void *dataAddr); |
| | 52 | |
| | 53 | U_CFUNC const DataHeader *UDataMemory_normalizeDataPointer(const void *p); |
| | 54 | |
| | 55 | U_CAPI int32_t U_EXPORT2 |
| | 56 | udata_getLength(const UDataMemory *pData); |
| | 57 | |
| | 58 | U_CAPI const void * U_EXPORT2 |
| | 59 | udata_getRawMemory(const UDataMemory *pData); |
| | 60 | |
| | 61 | #endif |
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