/*

 *******************************************************************************

 *

 *   Copyright (C) 2003-2005, International Business Machines

 *   Corporation and others.  All Rights Reserved.

 *

 *******************************************************************************

 *   file name:  sprpimpl.h

 *   encoding:   US-ASCII

 *   tab size:   8 (not used)

 *   indentation:4

 *

 *   created on: 2003feb1

 *   created by: Ram Viswanadha

 */

#ifndef SPRPIMPL_H

#define SPRPIMPL_H

#include "unicode/utypes.h"

#if !UCONFIG_NO_IDNA

#include "unicode/ustring.h"

#include "unicode/parseerr.h"

#include "unicode/usprep.h"

#include "unicode/udata.h"

#include "utrie.h"

#include "udataswp.h"

#include "ubidi_props.h"

#define _SPREP_DATA_TYPE "spp"

enum UStringPrepType{

    USPREP_UNASSIGNED           = 0x0000 ,

    USPREP_MAP                  = 0x0001 ,

    USPREP_PROHIBITED           = 0x0002 , 

    USPREP_DELETE               = 0x0003 ,

    USPREP_TYPE_LIMIT           = 0x0004  

};

typedef enum UStringPrepType UStringPrepType;

#ifdef USPREP_TYPE_NAMES_ARRAY

static const char* usprepTypeNames[] ={

    "UNASSIGNED" ,          

    "MAP" , 

    "PROHIBITED" ,        

    "DELETE",

    "TYPE_LIMIT" 

};

#endif

enum{

    _SPREP_NORMALIZATION_ON = 0x0001,

    _SPREP_CHECK_BIDI_ON    = 0x0002

};

enum{

    _SPREP_TYPE_THRESHOLD       = 0xFFF0,

    _SPREP_MAX_INDEX_VALUE      = 0x3FBF,   /*16139*/ 

    _SPREP_MAX_INDEX_TOP_LENGTH = 0x0003

};

/* indexes[] value names */

enum {

    _SPREP_INDEX_TRIE_SIZE                  = 0, /* number of bytes in StringPrep trie */

    _SPREP_INDEX_MAPPING_DATA_SIZE          = 1, /* The array that contains the mapping   */

    _SPREP_NORM_CORRECTNS_LAST_UNI_VERSION  = 2, /* The index of Unicode version of last entry in NormalizationCorrections.txt */ 

    _SPREP_ONE_UCHAR_MAPPING_INDEX_START    = 3, /* The starting index of 1 UChar mapping index in the mapping data array */

    _SPREP_TWO_UCHARS_MAPPING_INDEX_START   = 4, /* The starting index of 2 UChars mapping index in the mapping data array */

    _SPREP_THREE_UCHARS_MAPPING_INDEX_START = 5, /* The starting index of 3 UChars mapping index in the mapping data array */

    _SPREP_FOUR_UCHARS_MAPPING_INDEX_START  = 6, /* The starting index of 4 UChars mapping index in the mapping data array */

    _SPREP_OPTIONS                          = 7, /* Bit set of options to turn on in the profile */

    _SPREP_INDEX_TOP=16                          /* changing this requires a new formatVersion */

};

typedef struct UStringPrepKey UStringPrepKey;

struct UStringPrepKey{

    char* name;

    char* path;

};

struct UStringPrepProfile{

    int32_t indexes[_SPREP_INDEX_TOP];

    UTrie sprepTrie;

    const uint16_t* mappingData;

    UDataMemory* sprepData;

    const UBiDiProps *bdp; /* used only if checkBiDi is set */

    UBool isDataLoaded;

    int32_t refCount;

    UBool doNFKC;

    UBool checkBiDi;

};

/**

 * Helper function for populating the UParseError struct

 * @internal

 */

U_CAPI void U_EXPORT2

uprv_syntaxError(const UChar* rules, 

                 int32_t pos,

                 int32_t rulesLen,

                 UParseError* parseError);

/**

 * Swap StringPrep .spp profile data. See udataswp.h.

 * @internal

 */

U_CAPI int32_t U_EXPORT2

usprep_swap(const UDataSwapper *ds,

            const void *inData, int32_t length, void *outData,

            UErrorCode *pErrorCode);

#endif /* #if !UCONFIG_NO_IDNA */

#endif

/*

 * Hey, Emacs, please set the following:

 *

 * Local Variables:

 * indent-tabs-mode: nil

 * End:

 *

 */