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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