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      1 /*
      2 *******************************************************************************
      3 *
      4 *   Copyright (C) 2002-2012, International Business Machines
      5 *   Corporation and others.  All Rights Reserved.
      6 *
      7 *******************************************************************************
      8 *   file name:  uprops.h
      9 *   encoding:   US-ASCII
     10 *   tab size:   8 (not used)
     11 *   indentation:4
     12 *
     13 *   created on: 2002feb24
     14 *   created by: Markus W. Scherer
     15 *
     16 *   Constants for mostly non-core Unicode character properties
     17 *   stored in uprops.icu.
     18 */
     19 
     20 #ifndef __UPROPS_H__
     21 #define __UPROPS_H__
     22 
     23 #include "unicode/utypes.h"
     24 #include "unicode/uset.h"
     25 #include "uset_imp.h"
     26 #include "udataswp.h"
     27 
     28 /* indexes[] entries */
     29 enum {
     30     UPROPS_PROPS32_INDEX,
     31     UPROPS_EXCEPTIONS_INDEX,
     32     UPROPS_EXCEPTIONS_TOP_INDEX,
     33 
     34     UPROPS_ADDITIONAL_TRIE_INDEX,
     35     UPROPS_ADDITIONAL_VECTORS_INDEX,
     36     UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX,
     37 
     38     UPROPS_SCRIPT_EXTENSIONS_INDEX,
     39 
     40     UPROPS_RESERVED_INDEX_7,
     41     UPROPS_RESERVED_INDEX_8,
     42 
     43     /* size of the data file (number of 32-bit units after the header) */
     44     UPROPS_DATA_TOP_INDEX,
     45 
     46     /* maximum values for code values in vector word 0 */
     47     UPROPS_MAX_VALUES_INDEX=10,
     48     /* maximum values for code values in vector word 2 */
     49     UPROPS_MAX_VALUES_2_INDEX,
     50 
     51     UPROPS_INDEX_COUNT=16
     52 };
     53 
     54 /* definitions for the main properties words */
     55 enum {
     56     /* general category shift==0                                0 (5 bits) */
     57     /* reserved                                                 5 (1 bit) */
     58     UPROPS_NUMERIC_TYPE_VALUE_SHIFT=6                       /*  6 (10 bits) */
     59 };
     60 
     61 #define GET_CATEGORY(props) ((props)&0x1f)
     62 #define CAT_MASK(props) U_MASK(GET_CATEGORY(props))
     63 
     64 #define GET_NUMERIC_TYPE_VALUE(props) ((props)>>UPROPS_NUMERIC_TYPE_VALUE_SHIFT)
     65 
     66 /* constants for the storage form of numeric types and values */
     67 enum {
     68     /** No numeric value. */
     69     UPROPS_NTV_NONE=0,
     70     /** Decimal digits: nv=0..9 */
     71     UPROPS_NTV_DECIMAL_START=1,
     72     /** Other digits: nv=0..9 */
     73     UPROPS_NTV_DIGIT_START=11,
     74     /** Small integers: nv=0..154 */
     75     UPROPS_NTV_NUMERIC_START=21,
     76     /** Fractions: ((ntv>>4)-12) / ((ntv&0xf)+1) = -1..17 / 1..16 */
     77     UPROPS_NTV_FRACTION_START=0xb0,
     78     /**
     79      * Large integers:
     80      * ((ntv>>5)-14) * 10^((ntv&0x1f)+2) = (1..9)*(10^2..10^33)
     81      * (only one significant decimal digit)
     82      */
     83     UPROPS_NTV_LARGE_START=0x1e0,
     84     /**
     85      * Sexagesimal numbers:
     86      * ((ntv>>2)-0xbf) * 60^((ntv&3)+1) = (1..9)*(60^1..60^4)
     87      */
     88     UPROPS_NTV_BASE60_START=0x300,
     89     /** No numeric value (yet). */
     90     UPROPS_NTV_RESERVED_START=UPROPS_NTV_BASE60_START+36,  /* 0x300+9*4=0x324 */
     91 
     92     UPROPS_NTV_MAX_SMALL_INT=UPROPS_NTV_FRACTION_START-UPROPS_NTV_NUMERIC_START-1
     93 };
     94 
     95 #define UPROPS_NTV_GET_TYPE(ntv) \
     96     ((ntv==UPROPS_NTV_NONE) ? U_NT_NONE : \
     97     (ntv<UPROPS_NTV_DIGIT_START) ?  U_NT_DECIMAL : \
     98     (ntv<UPROPS_NTV_NUMERIC_START) ? U_NT_DIGIT : \
     99     U_NT_NUMERIC)
    100 
    101 /* number of properties vector words */
    102 #define UPROPS_VECTOR_WORDS     3
    103 
    104 /*
    105  * Properties in vector word 0
    106  * Bits
    107  * 31..24   DerivedAge version major/minor one nibble each
    108  * 23..22   3..1: Bits 7..0 = Script_Extensions index
    109  *             3: Script value from Script_Extensions
    110  *             2: Script=Inherited
    111  *             1: Script=Common
    112  *             0: Script=bits 7..0
    113  * 21..20   reserved
    114  * 19..17   East Asian Width
    115  * 16.. 8   UBlockCode
    116  *  7.. 0   UScriptCode, or index to Script_Extensions
    117  */
    118 
    119 /* derived age: one nibble each for major and minor version numbers */
    120 #define UPROPS_AGE_MASK         0xff000000
    121 #define UPROPS_AGE_SHIFT        24
    122 
    123 /* Script_Extensions: mask includes Script */
    124 #define UPROPS_SCRIPT_X_MASK    0x00c000ff
    125 #define UPROPS_SCRIPT_X_SHIFT   22
    126 
    127 #define UPROPS_EA_MASK          0x000e0000
    128 #define UPROPS_EA_SHIFT         17
    129 
    130 #define UPROPS_BLOCK_MASK       0x0001ff00
    131 #define UPROPS_BLOCK_SHIFT      8
    132 
    133 #define UPROPS_SCRIPT_MASK      0x000000ff
    134 
    135 /* UPROPS_SCRIPT_X_WITH_COMMON must be the lowest value that involves Script_Extensions. */
    136 #define UPROPS_SCRIPT_X_WITH_COMMON     0x400000
    137 #define UPROPS_SCRIPT_X_WITH_INHERITED  0x800000
    138 #define UPROPS_SCRIPT_X_WITH_OTHER      0xc00000
    139 
    140 /*
    141  * Properties in vector word 1
    142  * Each bit encodes one binary property.
    143  * The following constants represent the bit number, use 1<<UPROPS_XYZ.
    144  * UPROPS_BINARY_1_TOP<=32!
    145  *
    146  * Keep this list of property enums in sync with
    147  * propListNames[] in icu/source/tools/genprops/props2.c!
    148  *
    149  * ICU 2.6/uprops format version 3.2 stores full properties instead of "Other_".
    150  */
    151 enum {
    152     UPROPS_WHITE_SPACE,
    153     UPROPS_DASH,
    154     UPROPS_HYPHEN,
    155     UPROPS_QUOTATION_MARK,
    156     UPROPS_TERMINAL_PUNCTUATION,
    157     UPROPS_MATH,
    158     UPROPS_HEX_DIGIT,
    159     UPROPS_ASCII_HEX_DIGIT,
    160     UPROPS_ALPHABETIC,
    161     UPROPS_IDEOGRAPHIC,
    162     UPROPS_DIACRITIC,
    163     UPROPS_EXTENDER,
    164     UPROPS_NONCHARACTER_CODE_POINT,
    165     UPROPS_GRAPHEME_EXTEND,
    166     UPROPS_GRAPHEME_LINK,
    167     UPROPS_IDS_BINARY_OPERATOR,
    168     UPROPS_IDS_TRINARY_OPERATOR,
    169     UPROPS_RADICAL,
    170     UPROPS_UNIFIED_IDEOGRAPH,
    171     UPROPS_DEFAULT_IGNORABLE_CODE_POINT,
    172     UPROPS_DEPRECATED,
    173     UPROPS_LOGICAL_ORDER_EXCEPTION,
    174     UPROPS_XID_START,
    175     UPROPS_XID_CONTINUE,
    176     UPROPS_ID_START,                            /* ICU 2.6, uprops format version 3.2 */
    177     UPROPS_ID_CONTINUE,
    178     UPROPS_GRAPHEME_BASE,
    179     UPROPS_S_TERM,                              /* new in ICU 3.0 and Unicode 4.0.1 */
    180     UPROPS_VARIATION_SELECTOR,
    181     UPROPS_PATTERN_SYNTAX,                      /* new in ICU 3.4 and Unicode 4.1 */
    182     UPROPS_PATTERN_WHITE_SPACE,
    183     UPROPS_RESERVED,                            /* reserved & unused */
    184     UPROPS_BINARY_1_TOP                         /* ==32 - full! */
    185 };
    186 
    187 /*
    188  * Properties in vector word 2
    189  * Bits
    190  * 31..26   reserved
    191  * 25..20   Line Break
    192  * 19..15   Sentence Break
    193  * 14..10   Word Break
    194  *  9.. 5   Grapheme Cluster Break
    195  *  4.. 0   Decomposition Type
    196  */
    197 #define UPROPS_LB_MASK          0x03f00000
    198 #define UPROPS_LB_SHIFT         20
    199 
    200 #define UPROPS_SB_MASK          0x000f8000
    201 #define UPROPS_SB_SHIFT         15
    202 
    203 #define UPROPS_WB_MASK          0x00007c00
    204 #define UPROPS_WB_SHIFT         10
    205 
    206 #define UPROPS_GCB_MASK         0x000003e0
    207 #define UPROPS_GCB_SHIFT        5
    208 
    209 #define UPROPS_DT_MASK          0x0000001f
    210 
    211 /**
    212  * Gets the main properties value for a code point.
    213  * Implemented in uchar.c for uprops.cpp.
    214  */
    215 U_CFUNC uint32_t
    216 u_getMainProperties(UChar32 c);
    217 
    218 /**
    219  * Get a properties vector word for a code point.
    220  * Implemented in uchar.c for uprops.cpp.
    221  * @return 0 if no data or illegal argument
    222  */
    223 U_CFUNC uint32_t
    224 u_getUnicodeProperties(UChar32 c, int32_t column);
    225 
    226 /**
    227  * Get the the maximum values for some enum/int properties.
    228  * Use the same column numbers as for u_getUnicodeProperties().
    229  * The returned value will contain maximum values stored in the same bit fields
    230  * as where the enum values are stored in the u_getUnicodeProperties()
    231  * return values for the same columns.
    232  *
    233  * Valid columns are those for properties words that contain enumerated values.
    234  * (ICU 2.6: columns 0 and 2)
    235  * For other column numbers, this function will return 0.
    236  *
    237  * @internal
    238  */
    239 U_CFUNC int32_t
    240 uprv_getMaxValues(int32_t column);
    241 
    242 /**
    243  * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM.
    244  * @internal
    245  */
    246 U_CFUNC UBool
    247 u_isalnumPOSIX(UChar32 c);
    248 
    249 /**
    250  * Checks if c is in
    251  * [^\p{space}\p{gc=Control}\p{gc=Surrogate}\p{gc=Unassigned}]
    252  * with space=\p{Whitespace} and Control=Cc.
    253  * Implements UCHAR_POSIX_GRAPH.
    254  * @internal
    255  */
    256 U_CFUNC UBool
    257 u_isgraphPOSIX(UChar32 c);
    258 
    259 /**
    260  * Checks if c is in \p{graph}\p{blank} - \p{cntrl}.
    261  * Implements UCHAR_POSIX_PRINT.
    262  * @internal
    263  */
    264 U_CFUNC UBool
    265 u_isprintPOSIX(UChar32 c);
    266 
    267 /** Turn a bit index into a bit flag. @internal */
    268 #define FLAG(n) ((uint32_t)1<<(n))
    269 
    270 /** Flags for general categories in the order of UCharCategory. @internal */
    271 #define _Cn     FLAG(U_GENERAL_OTHER_TYPES)
    272 #define _Lu     FLAG(U_UPPERCASE_LETTER)
    273 #define _Ll     FLAG(U_LOWERCASE_LETTER)
    274 #define _Lt     FLAG(U_TITLECASE_LETTER)
    275 #define _Lm     FLAG(U_MODIFIER_LETTER)
    276 /* #define _Lo     FLAG(U_OTHER_LETTER) -- conflicts with MS Visual Studio 9.0 xiosbase */
    277 #define _Mn     FLAG(U_NON_SPACING_MARK)
    278 #define _Me     FLAG(U_ENCLOSING_MARK)
    279 #define _Mc     FLAG(U_COMBINING_SPACING_MARK)
    280 #define _Nd     FLAG(U_DECIMAL_DIGIT_NUMBER)
    281 #define _Nl     FLAG(U_LETTER_NUMBER)
    282 #define _No     FLAG(U_OTHER_NUMBER)
    283 #define _Zs     FLAG(U_SPACE_SEPARATOR)
    284 #define _Zl     FLAG(U_LINE_SEPARATOR)
    285 #define _Zp     FLAG(U_PARAGRAPH_SEPARATOR)
    286 #define _Cc     FLAG(U_CONTROL_CHAR)
    287 #define _Cf     FLAG(U_FORMAT_CHAR)
    288 #define _Co     FLAG(U_PRIVATE_USE_CHAR)
    289 #define _Cs     FLAG(U_SURROGATE)
    290 #define _Pd     FLAG(U_DASH_PUNCTUATION)
    291 #define _Ps     FLAG(U_START_PUNCTUATION)
    292 /* #define _Pe     FLAG(U_END_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 xlocnum */
    293 /* #define _Pc     FLAG(U_CONNECTOR_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 streambuf */
    294 #define _Po     FLAG(U_OTHER_PUNCTUATION)
    295 #define _Sm     FLAG(U_MATH_SYMBOL)
    296 #define _Sc     FLAG(U_CURRENCY_SYMBOL)
    297 #define _Sk     FLAG(U_MODIFIER_SYMBOL)
    298 #define _So     FLAG(U_OTHER_SYMBOL)
    299 #define _Pi     FLAG(U_INITIAL_PUNCTUATION)
    300 /* #define _Pf     FLAG(U_FINAL_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 streambuf */
    301 
    302 /** Some code points. @internal */
    303 enum {
    304     TAB     =0x0009,
    305     LF      =0x000a,
    306     FF      =0x000c,
    307     CR      =0x000d,
    308     U_A     =0x0041,
    309     U_F     =0x0046,
    310     U_Z     =0x005a,
    311     U_a     =0x0061,
    312     U_f     =0x0066,
    313     U_z     =0x007a,
    314     DEL     =0x007f,
    315     NL      =0x0085,
    316     NBSP    =0x00a0,
    317     CGJ     =0x034f,
    318     FIGURESP=0x2007,
    319     HAIRSP  =0x200a,
    320     ZWNJ    =0x200c,
    321     ZWJ     =0x200d,
    322     RLM     =0x200f,
    323     NNBSP   =0x202f,
    324     WJ      =0x2060,
    325     INHSWAP =0x206a,
    326     NOMDIG  =0x206f,
    327     U_FW_A  =0xff21,
    328     U_FW_F  =0xff26,
    329     U_FW_Z  =0xff3a,
    330     U_FW_a  =0xff41,
    331     U_FW_f  =0xff46,
    332     U_FW_z  =0xff5a,
    333     ZWNBSP  =0xfeff
    334 };
    335 
    336 /**
    337  * Get the maximum length of a (regular/1.0/extended) character name.
    338  * @return 0 if no character names available.
    339  */
    340 U_CAPI int32_t U_EXPORT2
    341 uprv_getMaxCharNameLength(void);
    342 
    343 /**
    344  * Fills set with characters that are used in Unicode character names.
    345  * Includes all characters that are used in regular/Unicode 1.0/extended names.
    346  * Just empties the set if no character names are available.
    347  * @param sa USetAdder to receive characters.
    348  */
    349 U_CAPI void U_EXPORT2
    350 uprv_getCharNameCharacters(const USetAdder *sa);
    351 
    352 /**
    353  * Constants for which data and implementation files provide which properties.
    354  * Used by UnicodeSet for service-specific property enumeration.
    355  * @internal
    356  */
    357 enum UPropertySource {
    358     /** No source, not a supported property. */
    359     UPROPS_SRC_NONE,
    360     /** From uchar.c/uprops.icu main trie */
    361     UPROPS_SRC_CHAR,
    362     /** From uchar.c/uprops.icu properties vectors trie */
    363     UPROPS_SRC_PROPSVEC,
    364     /** From unames.c/unames.icu */
    365     UPROPS_SRC_NAMES,
    366     /** From ucase.c/ucase.icu */
    367     UPROPS_SRC_CASE,
    368     /** From ubidi_props.c/ubidi.icu */
    369     UPROPS_SRC_BIDI,
    370     /** From uchar.c/uprops.icu main trie as well as properties vectors trie */
    371     UPROPS_SRC_CHAR_AND_PROPSVEC,
    372     /** From ucase.c/ucase.icu as well as unorm.cpp/unorm.icu */
    373     UPROPS_SRC_CASE_AND_NORM,
    374     /** From normalizer2impl.cpp/nfc.nrm */
    375     UPROPS_SRC_NFC,
    376     /** From normalizer2impl.cpp/nfkc.nrm */
    377     UPROPS_SRC_NFKC,
    378     /** From normalizer2impl.cpp/nfkc_cf.nrm */
    379     UPROPS_SRC_NFKC_CF,
    380     /** From normalizer2impl.cpp/nfc.nrm canonical iterator data */
    381     UPROPS_SRC_NFC_CANON_ITER,
    382     /** One more than the highest UPropertySource (UPROPS_SRC_) constant. */
    383     UPROPS_SRC_COUNT
    384 };
    385 typedef enum UPropertySource UPropertySource;
    386 
    387 /**
    388  * @see UPropertySource
    389  * @internal
    390  */
    391 U_CFUNC UPropertySource U_EXPORT2
    392 uprops_getSource(UProperty which);
    393 
    394 /**
    395  * Enumerate uprops.icu's main data trie and add the
    396  * start of each range of same properties to the set.
    397  * @internal
    398  */
    399 U_CFUNC void U_EXPORT2
    400 uchar_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
    401 
    402 /**
    403  * Enumerate uprops.icu's properties vectors trie and add the
    404  * start of each range of same properties to the set.
    405  * @internal
    406  */
    407 U_CFUNC void U_EXPORT2
    408 upropsvec_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
    409 
    410 /**
    411  * Return a set of characters for property enumeration.
    412  * For each two consecutive characters (start, limit) in the set,
    413  * all of the properties for start..limit-1 are all the same.
    414  *
    415  * @param sa USetAdder to receive result. Existing contents are lost.
    416  * @internal
    417  */
    418 /*U_CFUNC void U_EXPORT2
    419 uprv_getInclusions(const USetAdder *sa, UErrorCode *pErrorCode);
    420 */
    421 
    422 /**
    423  * Swap the ICU Unicode character names file. See uchar.c.
    424  * @internal
    425  */
    426 U_CAPI int32_t U_EXPORT2
    427 uchar_swapNames(const UDataSwapper *ds,
    428                 const void *inData, int32_t length, void *outData,
    429                 UErrorCode *pErrorCode);
    430 
    431 #ifdef __cplusplus
    432 
    433 U_NAMESPACE_BEGIN
    434 
    435 class UnicodeSet;
    436 
    437 // implemented in uniset_props.cpp
    438 U_CFUNC UnicodeSet *
    439 uniset_getUnicode32Instance(UErrorCode &errorCode);
    440 
    441 U_NAMESPACE_END
    442 
    443 #endif
    444 
    445 #endif
    446