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 */
29enum {
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 */
55enum {
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 */
67enum {
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 */
135enum {
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 */
201U_CFUNC uint32_t
202u_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 */
217U_CFUNC int32_t
218uprv_getMaxValues(int32_t column);
219
220/**
221 * Checks if c is alphabetic, or a decimal digit; implements UCHAR_POSIX_ALNUM.
222 * @internal
223 */
224U_CFUNC UBool
225u_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 */
234U_CFUNC UBool
235u_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 */
242U_CFUNC UBool
243u_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 */
281enum {
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 */
318U_CAPI int32_t U_EXPORT2
319uprv_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 */
327U_CAPI void U_EXPORT2
328uprv_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 */
335enum 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};
363typedef enum UPropertySource UPropertySource;
364
365/**
366 * @see UPropertySource
367 * @internal
368 */
369U_CFUNC UPropertySource U_EXPORT2
370uprops_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 */
377U_CFUNC void U_EXPORT2
378uchar_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 */
385U_CFUNC void U_EXPORT2
386upropsvec_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
397uprv_getInclusions(const USetAdder *sa, UErrorCode *pErrorCode);
398*/
399
400/**
401 * Swap the ICU Unicode properties file. See uchar.c.
402 * @internal
403 */
404U_CAPI int32_t U_EXPORT2
405uprops_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 */
413U_CAPI int32_t U_EXPORT2
414uchar_swapNames(const UDataSwapper *ds,
415                const void *inData, int32_t length, void *outData,
416                UErrorCode *pErrorCode);
417
418#ifdef XP_CPLUSPLUS
419
420U_NAMESPACE_BEGIN
421
422class UnicodeSet;
423
424// implemented in uniset_props.cpp
425U_CFUNC UnicodeSet *
426uniset_getUnicode32Instance(UErrorCode &errorCode);
427
428U_NAMESPACE_END
429
430#endif
431
432#endif
433