Home | History | Annotate | Download | only in common
      1 /*
      2 *******************************************************************************
      3 *   Copyright (C) 2000-2011, International Business Machines
      4 *   Corporation and others.  All Rights Reserved.
      5 *******************************************************************************
      6 *   file name:  ucol_data.h
      7 *   encoding:   US-ASCII
      8 *   tab size:   8 (not used)
      9 *   indentation:4
     10 *
     11 *   created on: 2011jul02
     12 *   created by: Markus Scherer
     13 *
     14 * Private implementation header for C/C++ collation.
     15 * Some file data structure definitions were moved here from i18n/ucol_imp.h
     16 * so that the common library (via ucol_swp.cpp) need not depend on the i18n library at all.
     17 *
     18 * We do not want to move the collation swapper to the i18n library because
     19 * a) the resource bundle swapper depends on it and would have to move too, and
     20 * b) we might want to eventually implement runtime data swapping,
     21 *    which might (or might not) be easier if all swappers are in the common library.
     22 */
     23 
     24 #ifndef __UCOL_DATA_H__
     25 #define __UCOL_DATA_H__
     26 
     27 #include "unicode/utypes.h"
     28 
     29 #if !UCONFIG_NO_COLLATION
     30 
     31 /* let us know whether reserved fields are reset to zero or junked */
     32 #define UCOL_HEADER_MAGIC 0x20030618
     33 
     34 typedef struct {
     35       int32_t size;
     36       /* all the offsets are in bytes */
     37       /* to get the address add to the header address and cast properly */
     38       uint32_t options; /* these are the default options for the collator */
     39       uint32_t UCAConsts; /* structure which holds values for indirect positioning and implicit ranges */
     40       uint32_t contractionUCACombos;        /* this one is needed only for UCA, to copy the appropriate contractions */
     41       uint32_t magic;            /* magic number - lets us know whether reserved data is reset or junked */
     42       uint32_t mappingPosition;  /* const uint8_t *mappingPosition; */
     43       uint32_t expansion;        /* uint32_t *expansion;            */
     44       uint32_t contractionIndex; /* UChar *contractionIndex;        */
     45       uint32_t contractionCEs;   /* uint32_t *contractionCEs;       */
     46       uint32_t contractionSize;  /* needed for various closures */
     47       /*int32_t latinOneMapping;*/ /* this is now handled in the trie itself *//* fast track to latin1 chars      */
     48 
     49       uint32_t endExpansionCE;      /* array of last collation element in
     50                                        expansion */
     51       uint32_t expansionCESize;     /* array of maximum expansion size
     52                                        corresponding to the expansion
     53                                        collation elements with last element
     54                                        in endExpansionCE*/
     55       int32_t  endExpansionCECount; /* size of endExpansionCE */
     56       uint32_t unsafeCP;            /* hash table of unsafe code points */
     57       uint32_t contrEndCP;          /* hash table of final code points  */
     58                                     /*   in contractions.               */
     59 
     60       int32_t contractionUCACombosSize;     /* number of UCA contraction items. */
     61                                             /*Length is contractionUCACombosSize*contractionUCACombosWidth*sizeof(UChar) */
     62       UBool jamoSpecial;                    /* is jamoSpecial */
     63       UBool isBigEndian;                    /* is this data big endian? from the UDataInfo header*/
     64       uint8_t charSetFamily;                /* what is the charset family of this data from the UDataInfo header*/
     65       uint8_t contractionUCACombosWidth;    /* width of UCA combos field */
     66       UVersionInfo version;
     67       UVersionInfo UCAVersion;              /* version of the UCA, read from file */
     68       UVersionInfo UCDVersion;              /* UCD version, obtained by u_getUnicodeVersion */
     69       UVersionInfo formatVersion;           /* format version from the UDataInfo header */
     70       uint32_t scriptToLeadByte;            /* offset to script to lead collation byte mapping data */
     71       uint32_t leadByteToScript;            /* offset to lead collation byte to script mapping data */
     72       uint8_t reserved[76];                 /* for future use */
     73 } UCATableHeader;
     74 
     75 typedef struct {
     76   uint32_t byteSize;
     77   uint32_t tableSize;
     78   uint32_t contsSize;
     79   uint32_t table;
     80   uint32_t conts;
     81   UVersionInfo UCAVersion;              /* version of the UCA, read from file */
     82   uint8_t padding[8];
     83 } InverseUCATableHeader;
     84 
     85 #endif  /* !UCONFIG_NO_COLLATION */
     86 
     87 #endif  /* __UCOL_DATA_H__ */
     88