udata.h

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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
******************************************************************************
*
*   Copyright (C) 1999-2014, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
******************************************************************************
*   file name:  udata.h
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 1999oct25
*   created by: Markus W. Scherer
*/

#ifndef __UDATA_H__
#define __UDATA_H__

#include "unicode/utypes.h"
#include "unicode/localpointer.h"

U_CDECL_BEGIN

#ifndef U_HIDE_INTERNAL_API

#define U_TREE_SEPARATOR '-'

#define U_TREE_SEPARATOR_STRING "-"

#define U_TREE_ENTRY_SEP_CHAR '/'

#define U_TREE_ENTRY_SEP_STRING "/"

#define U_ICUDATA_ALIAS "ICUDATA"

#endif /* U_HIDE_INTERNAL_API */

typedef struct {
    uint16_t size;

    uint16_t reservedWord;

    /* platform data properties */
    uint8_t isBigEndian;

    uint8_t charsetFamily;

    uint8_t sizeofUChar;

    uint8_t reservedByte;

    uint8_t dataFormat[4];

    uint8_t formatVersion[4];

    uint8_t dataVersion[4];
} UDataInfo;

/* API for reading data -----------------------------------------------------*/

typedef struct UDataMemory UDataMemory;

typedef UBool U_CALLCONV
UDataMemoryIsAcceptable(void *context,
                        const char *type, const char *name,
                        const UDataInfo *pInfo);


U_STABLE UDataMemory * U_EXPORT2
udata_open(const char *path, const char *type, const char *name,
           UErrorCode *pErrorCode);

U_STABLE UDataMemory * U_EXPORT2
udata_openChoice(const char *path, const char *type, const char *name,
                 UDataMemoryIsAcceptable *isAcceptable, void *context,
                 UErrorCode *pErrorCode);

U_STABLE void U_EXPORT2
udata_close(UDataMemory *pData);

U_STABLE const void * U_EXPORT2
udata_getMemory(UDataMemory *pData);

U_STABLE void U_EXPORT2
udata_getInfo(UDataMemory *pData, UDataInfo *pInfo);

U_STABLE void U_EXPORT2
udata_setCommonData(const void *data, UErrorCode *err);


U_STABLE void U_EXPORT2
udata_setAppData(const char *packageName, const void *data, UErrorCode *err);

typedef enum UDataFileAccess {
    UDATA_FILES_FIRST,
    UDATA_DEFAULT_ACCESS = UDATA_FILES_FIRST,
    UDATA_ONLY_PACKAGES,
    UDATA_PACKAGES_FIRST,
    UDATA_NO_FILES,
#ifndef U_HIDE_DEPRECATED_API

    UDATA_FILE_ACCESS_COUNT
#endif  // U_HIDE_DEPRECATED_API
} UDataFileAccess;

U_STABLE void U_EXPORT2
udata_setFileAccess(UDataFileAccess access, UErrorCode *status);

U_CDECL_END

#if U_SHOW_CPLUSPLUS_API

U_NAMESPACE_BEGIN

U_DEFINE_LOCAL_OPEN_POINTER(LocalUDataMemoryPointer, UDataMemory, udata_close);

U_NAMESPACE_END

#endif  // U_SHOW_CPLUSPLUS_API

#endif

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