Home | History | Annotate | Download | only in common
      1 /*
      2 *******************************************************************************
      3 *
      4 *   Copyright (C) 2002-2010, 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     UPROPS_NTV_NONE=0,
     69     UPROPS_NTV_DECIMAL_START=1,
     70     UPROPS_NTV_DIGIT_START=11,
     71     UPROPS_NTV_NUMERIC_START=21,
     72     UPROPS_NTV_FRACTION_START=0xb0,
     73     UPROPS_NTV_LARGE_START=0x1e0,
     74     UPROPS_NTV_RESERVED_START=0x300,
     75 
     76     UPROPS_NTV_MAX_SMALL_INT=UPROPS_NTV_FRACTION_START-UPROPS_NTV_NUMERIC_START-1
     77 };
     78 
     79 #define UPROPS_NTV_GET_TYPE(ntv) \
     80     ((ntv==UPROPS_NTV_NONE) ? U_NT_NONE : \
     81     (ntv<UPROPS_NTV_DIGIT_START) ?  U_NT_DECIMAL : \
     82     (ntv<UPROPS_NTV_NUMERIC_START) ? U_NT_DIGIT : \
     83     U_NT_NUMERIC)
     84 
     85 /* number of properties vector words */
     86 #define UPROPS_VECTOR_WORDS     3
     87 
     88 /*
     89  * Properties in vector word 0
     90  * Bits
     91  * 31..24   DerivedAge version major/minor one nibble each
     92  * 23..22   3..1: Bits 7..0 = Script_Extensions index
     93  *             3: Script value from Script_Extensions
     94  *             2: Script=Inherited
     95  *             1: Script=Common
     96  *             0: Script=bits 7..0
     97  * 21..20   reserved
     98  * 19..17   East Asian Width
     99  * 16.. 8   UBlockCode
    100  *  7.. 0   UScriptCode, or index to Script_Extensions
    101  */
    102 
    103 /* derived age: one nibble each for major and minor version numbers */
    104 #define UPROPS_AGE_MASK         0xff000000
    105 #define UPROPS_AGE_SHIFT        24
    106 
    107 /* Script_Extensions: mask includes Script */
    108 #define UPROPS_SCRIPT_X_MASK    0x00c000ff
    109 #define UPROPS_SCRIPT_X_SHIFT   22
    110 
    111 #define UPROPS_EA_MASK          0x000e0000
    112 #define UPROPS_EA_SHIFT         17
    113 
    114 #define UPROPS_BLOCK_MASK       0x0001ff00
    115 #define UPROPS_BLOCK_SHIFT      8
    116 
    117 #define UPROPS_SCRIPT_MASK      0x000000ff
    118 
    119 /* UPROPS_SCRIPT_X_WITH_COMMON must be the lowest value that involves Script_Extensions. */
    120 #define UPROPS_SCRIPT_X_WITH_COMMON     0x400000
    121 #define UPROPS_SCRIPT_X_WITH_INHERITED  0x800000
    122 #define UPROPS_SCRIPT_X_WITH_OTHER      0xc00000
    123 
    124 /*
    125  * Properties in vector word 1
    126  * Each bit encodes one binary property.
    127  * The following constants represent the bit number, use 1<<UPROPS_XYZ.
    128  * UPROPS_BINARY_1_TOP<=32!
    129  *
    130  * Keep this list of property enums in sync with
    131  * propListNames[] in icu/source/tools/genprops/props2.c!
    132  *
    133  * ICU 2.6/uprops format version 3.2 stores full properties instead of "Other_".
    134  */
    135 enum {
    136     UPROPS_WHITE_SPACE,
    137     UPROPS_DASH,
    138     UPROPS_HYPHEN,
    139     UPROPS_QUOTATION_MARK,
    140     UPROPS_TERMINAL_PUNCTUATION,
    141     UPROPS_MATH,
    142     UPROPS_HEX_DIGIT,
    143     UPROPS_ASCII_HEX_DIGIT,
    144     UPROPS_ALPHABETIC,
    145     UPROPS_IDEOGRAPHIC,
    146     UPROPS_DIACRITIC,
    147     UPROPS_EXTENDER,
    148     UPROPS_NONCHARACTER_CODE_POINT,
    149     UPROPS_GRAPHEME_EXTEND,
    150     UPROPS_GRAPHEME_LINK,
    151     UPROPS_IDS_BINARY_OPERATOR,
    152     UPROPS_IDS_TRINARY_OPERATOR,
    153     UPROPS_RADICAL,
    154     UPROPS_UNIFIED_IDEOGRAPH,
    155     UPROPS_DEFAULT_IGNORABLE_CODE_POINT,
    156     UPROPS_DEPRECATED,
    157     UPROPS_LOGICAL_ORDER_EXCEPTION,
    158     UPROPS_XID_START,
    159     UPROPS_XID_CONTINUE,
    160     UPROPS_ID_START,                            /* ICU 2.6, uprops format version 3.2 */
    161     UPROPS_ID_CONTINUE,
    162     UPROPS_GRAPHEME_BASE,
    163     UPROPS_S_TERM,                              /* new in ICU 3.0 and Unicode 4.0.1 */
    164     UPROPS_VARIATION_SELECTOR,
    165     UPROPS_PATTERN_SYNTAX,                      /* new in ICU 3.4 and Unicode 4.1 */
    166     UPROPS_PATTERN_WHITE_SPACE,
    167     UPROPS_RESERVED,                            /* reserved & unused */
    168     UPROPS_BINARY_1_TOP                         /* ==32 - full! */
    169 };
    170 
    171 /*
    172  * Properties in vector word 2
    173  * Bits
    174  * 31..26   reserved
    175  * 25..20   Line Break
    176  * 19..15   Sentence Break
    177  * 14..10   Word Break
    178  *  9.. 5   Grapheme Cluster Break
    179  *  4.. 0   Decomposition Type
    180  */
    181 #define UPROPS_LB_MASK          0x03f00000
    182 #define UPROPS_LB_SHIFT         20
    183 
    184 #define UPROPS_SB_MASK          0x000f8000
    185 #define UPROPS_SB_SHIFT         15
    186 
    187 #define UPROPS_WB_MASK          0x00007c00
    188 #define UPROPS_WB_SHIFT         10
    189 
    190 #define UPROPS_GCB_MASK         0x000003e0
    191 #define UPROPS_GCB_SHIFT        5
    192 
    193 #define UPROPS_DT_MASK          0x0000001f
    194 
    195 /**
    196  * Get a properties vector word for a code point.
    197  * Implemented in uchar.c for uprops.c.
    198  * column==-1 gets the 32-bit main properties word instead.
    199  * @return 0 if no data or illegal argument
    200  */
    201 U_CFUNC uint32_t
    202 u_getUnicodeProperties(UChar32 c, int32_t column);
    203 
    204 /**
    205  * Get the the maximum values for some enum/int properties.
    206  * Use the same column numbers as for u_getUnicodeProperties().
    207  * The returned value will contain maximum values stored in the same bit fields
    208  * as where the enum values are stored in the u_getUnicodeProperties()
    209  * return values for the same columns.
    210  *
    211  * Valid columns are those for properties words that contain enumerated values.
    212  * (ICU 2.6: columns 0 and 2)
    213  * For other column numbers, this function will return 0.
    214  *
    215  * @internal
    216  */
    217 U_CFUNC int32_t
    218 uprv_getMaxValues(int32_t column);
    219 
    220 /**
    221  * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM.
    222  * @internal
    223  */
    224 U_CFUNC UBool
    225 u_isalnumPOSIX(UChar32 c);
    226 
    227 /**
    228  * Checks if c is in
    229  * [^\p{space}\p{gc=Control}\p{gc=Surrogate}\p{gc=Unassigned}]
    230  * with space=\p{Whitespace} and Control=Cc.
    231  * Implements UCHAR_POSIX_GRAPH.
    232  * @internal
    233  */
    234 U_CFUNC UBool
    235 u_isgraphPOSIX(UChar32 c);
    236 
    237 /**
    238  * Checks if c is in \p{graph}\p{blank} - \p{cntrl}.
    239  * Implements UCHAR_POSIX_PRINT.
    240  * @internal
    241  */
    242 U_CFUNC UBool
    243 u_isprintPOSIX(UChar32 c);
    244 
    245 /** Turn a bit index into a bit flag. @internal */
    246 #define FLAG(n) ((uint32_t)1<<(n))
    247 
    248 /** Flags for general categories in the order of UCharCategory. @internal */
    249 #define _Cn     FLAG(U_GENERAL_OTHER_TYPES)
    250 #define _Lu     FLAG(U_UPPERCASE_LETTER)
    251 #define _Ll     FLAG(U_LOWERCASE_LETTER)
    252 #define _Lt     FLAG(U_TITLECASE_LETTER)
    253 #define _Lm     FLAG(U_MODIFIER_LETTER)
    254 /* #define _Lo     FLAG(U_OTHER_LETTER) -- conflicts with MS Visual Studio 9.0 xiosbase */
    255 #define _Mn     FLAG(U_NON_SPACING_MARK)
    256 #define _Me     FLAG(U_ENCLOSING_MARK)
    257 #define _Mc     FLAG(U_COMBINING_SPACING_MARK)
    258 #define _Nd     FLAG(U_DECIMAL_DIGIT_NUMBER)
    259 #define _Nl     FLAG(U_LETTER_NUMBER)
    260 #define _No     FLAG(U_OTHER_NUMBER)
    261 #define _Zs     FLAG(U_SPACE_SEPARATOR)
    262 #define _Zl     FLAG(U_LINE_SEPARATOR)
    263 #define _Zp     FLAG(U_PARAGRAPH_SEPARATOR)
    264 #define _Cc     FLAG(U_CONTROL_CHAR)
    265 #define _Cf     FLAG(U_FORMAT_CHAR)
    266 #define _Co     FLAG(U_PRIVATE_USE_CHAR)
    267 #define _Cs     FLAG(U_SURROGATE)
    268 #define _Pd     FLAG(U_DASH_PUNCTUATION)
    269 #define _Ps     FLAG(U_START_PUNCTUATION)
    270 /* #define _Pe     FLAG(U_END_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 xlocnum */
    271 /* #define _Pc     FLAG(U_CONNECTOR_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 streambuf */
    272 #define _Po     FLAG(U_OTHER_PUNCTUATION)
    273 #define _Sm     FLAG(U_MATH_SYMBOL)
    274 #define _Sc     FLAG(U_CURRENCY_SYMBOL)
    275 #define _Sk     FLAG(U_MODIFIER_SYMBOL)
    276 #define _So     FLAG(U_OTHER_SYMBOL)
    277 #define _Pi     FLAG(U_INITIAL_PUNCTUATION)
    278 /* #define _Pf     FLAG(U_FINAL_PUNCTUATION) -- conflicts with MS Visual Studio 9.0 streambuf */
    279 
    280 /** Some code points. @internal */
    281 enum {
    282     TAB     =0x0009,
    283     LF      =0x000a,
    284     FF      =0x000c,
    285     CR      =0x000d,
    286     U_A     =0x0041,
    287     U_F     =0x0046,
    288     U_Z     =0x005a,
    289     U_a     =0x0061,
    290     U_f     =0x0066,
    291     U_z     =0x007a,
    292     DEL     =0x007f,
    293     NL      =0x0085,
    294     NBSP    =0x00a0,
    295     CGJ     =0x034f,
    296     FIGURESP=0x2007,
    297     HAIRSP  =0x200a,
    298     ZWNJ    =0x200c,
    299     ZWJ     =0x200d,
    300     RLM     =0x200f,
    301     NNBSP   =0x202f,
    302     WJ      =0x2060,
    303     INHSWAP =0x206a,
    304     NOMDIG  =0x206f,
    305     U_FW_A  =0xff21,
    306     U_FW_F  =0xff26,
    307     U_FW_Z  =0xff3a,
    308     U_FW_a  =0xff41,
    309     U_FW_f  =0xff46,
    310     U_FW_z  =0xff5a,
    311     ZWNBSP  =0xfeff
    312 };
    313 
    314 /**
    315  * Get the maximum length of a (regular/1.0/extended) character name.
    316  * @return 0 if no character names available.
    317  */
    318 U_CAPI int32_t U_EXPORT2
    319 uprv_getMaxCharNameLength(void);
    320 
    321 /**
    322  * Fills set with characters that are used in Unicode character names.
    323  * Includes all characters that are used in regular/Unicode 1.0/extended names.
    324  * Just empties the set if no character names are available.
    325  * @param sa USetAdder to receive characters.
    326  */
    327 U_CAPI void U_EXPORT2
    328 uprv_getCharNameCharacters(const USetAdder *sa);
    329 
    330 /**
    331  * Constants for which data and implementation files provide which properties.
    332  * Used by UnicodeSet for service-specific property enumeration.
    333  * @internal
    334  */
    335 enum UPropertySource {
    336     /** No source, not a supported property. */
    337     UPROPS_SRC_NONE,
    338     /** From uchar.c/uprops.icu main trie */
    339     UPROPS_SRC_CHAR,
    340     /** From uchar.c/uprops.icu properties vectors trie */
    341     UPROPS_SRC_PROPSVEC,
    342     /** From unames.c/unames.icu */
    343     UPROPS_SRC_NAMES,
    344     /** From ucase.c/ucase.icu */
    345     UPROPS_SRC_CASE,
    346     /** From ubidi_props.c/ubidi.icu */
    347     UPROPS_SRC_BIDI,
    348     /** From uchar.c/uprops.icu main trie as well as properties vectors trie */
    349     UPROPS_SRC_CHAR_AND_PROPSVEC,
    350     /** From ucase.c/ucase.icu as well as unorm.cpp/unorm.icu */
    351     UPROPS_SRC_CASE_AND_NORM,
    352     /** From normalizer2impl.cpp/nfc.nrm */
    353     UPROPS_SRC_NFC,
    354     /** From normalizer2impl.cpp/nfkc.nrm */
    355     UPROPS_SRC_NFKC,
    356     /** From normalizer2impl.cpp/nfkc_cf.nrm */
    357     UPROPS_SRC_NFKC_CF,
    358     /** From normalizer2impl.cpp/nfc.nrm canonical iterator data */
    359     UPROPS_SRC_NFC_CANON_ITER,
    360     /** One more than the highest UPropertySource (UPROPS_SRC_) constant. */
    361     UPROPS_SRC_COUNT
    362 };
    363 typedef enum UPropertySource UPropertySource;
    364 
    365 /**
    366  * @see UPropertySource
    367  * @internal
    368  */
    369 U_CFUNC UPropertySource U_EXPORT2
    370 uprops_getSource(UProperty which);
    371 
    372 /**
    373  * Enumerate uprops.icu's main data trie and add the
    374  * start of each range of same properties to the set.
    375  * @internal
    376  */
    377 U_CFUNC void U_EXPORT2
    378 uchar_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
    379 
    380 /**
    381  * Enumerate uprops.icu's properties vectors trie and add the
    382  * start of each range of same properties to the set.
    383  * @internal
    384  */
    385 U_CFUNC void U_EXPORT2
    386 upropsvec_addPropertyStarts(const USetAdder *sa, UErrorCode *pErrorCode);
    387 
    388 /**
    389  * Return a set of characters for property enumeration.
    390  * For each two consecutive characters (start, limit) in the set,
    391  * all of the properties for start..limit-1 are all the same.
    392  *
    393  * @param sa USetAdder to receive result. Existing contents are lost.
    394  * @internal
    395  */
    396 /*U_CFUNC void U_EXPORT2
    397 uprv_getInclusions(const USetAdder *sa, UErrorCode *pErrorCode);
    398 */
    399 
    400 /**
    401  * Swap the ICU Unicode properties file. See uchar.c.
    402  * @internal
    403  */
    404 U_CAPI int32_t U_EXPORT2
    405 uprops_swap(const UDataSwapper *ds,
    406             const void *inData, int32_t length, void *outData,
    407             UErrorCode *pErrorCode);
    408 
    409 /**
    410  * Swap the ICU Unicode character names file. See uchar.c.
    411  * @internal
    412  */
    413 U_CAPI int32_t U_EXPORT2
    414 uchar_swapNames(const UDataSwapper *ds,
    415                 const void *inData, int32_t length, void *outData,
    416                 UErrorCode *pErrorCode);
    417 
    418 #ifdef XP_CPLUSPLUS
    419 
    420 U_NAMESPACE_BEGIN
    421 
    422 class UnicodeSet;
    423 
    424 // implemented in uniset_props.cpp
    425 U_CFUNC UnicodeSet *
    426 uniset_getUnicode32Instance(UErrorCode &errorCode);
    427 
    428 U_NAMESPACE_END
    429 
    430 #endif
    431 
    432 #endif
    433