390 lines
11 KiB
C
390 lines
11 KiB
C
/*
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*******************************************************************************
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*
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* Copyright (C) 2002-2003, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: uprops.h
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2002feb24
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* created by: Markus W. Scherer
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*
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* Constants for mostly non-core Unicode character properties
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* stored in uprops.dat.
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*/
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#ifndef __UPROPS_H__
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#define __UPROPS_H__
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#include "unicode/utypes.h"
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#include "unicode/uset.h"
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#include "udataswp.h"
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/* indexes[] entries */
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enum {
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UPROPS_PROPS32_INDEX,
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UPROPS_EXCEPTIONS_INDEX,
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UPROPS_EXCEPTIONS_TOP_INDEX,
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UPROPS_ADDITIONAL_TRIE_INDEX,
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UPROPS_ADDITIONAL_VECTORS_INDEX,
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UPROPS_ADDITIONAL_VECTORS_COLUMNS_INDEX,
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UPROPS_RESERVED_INDEX, /* 6 */
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/* maximum values for code values in vector word 0 */
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UPROPS_MAX_VALUES_INDEX=10,
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/* maximum values for code values in vector word 2 */
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UPROPS_MAX_VALUES_2_INDEX,
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UPROPS_INDEX_COUNT=16
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};
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/* definitions for the main properties words */
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enum {
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/* general category shift==0 0 (5 bits) */
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UPROPS_EXCEPTION_SHIFT=5, /* 5 (1 bit) */
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UPROPS_BIDI_SHIFT, /* 6 (5 bits) */
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UPROPS_MIRROR_SHIFT=UPROPS_BIDI_SHIFT+5, /* 11 (1 bit) */
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UPROPS_NUMERIC_TYPE_SHIFT, /* 12 (3 bits) */
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UPROPS_CASE_SENSITIVE_SHIFT=UPROPS_NUMERIC_TYPE_SHIFT+3,/* 15 (1 bit) format version 3.2 */
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UPROPS_RESERVED_SHIFT, /* 16 (4 bits) */
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UPROPS_VALUE_SHIFT=20, /* 20 */
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UPROPS_EXCEPTION_BIT=1UL<<UPROPS_EXCEPTION_SHIFT,
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UPROPS_VALUE_BITS=32-UPROPS_VALUE_SHIFT,
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UPROPS_MIN_VALUE=-(1L<<(UPROPS_VALUE_BITS-1)),
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UPROPS_MAX_VALUE=(1L<<(UPROPS_VALUE_BITS-1))-1,
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UPROPS_MAX_EXCEPTIONS_COUNT=1L<<UPROPS_VALUE_BITS
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};
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#define PROPS_VALUE_IS_EXCEPTION(props) ((props)&UPROPS_EXCEPTION_BIT)
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#define GET_CATEGORY(props) ((props)&0x1f)
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#define GET_BIDI_CLASS(props) ((props>>UPROPS_BIDI_SHIFT)&0x1f)
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#define GET_NUMERIC_TYPE(props) (((props)>>UPROPS_NUMERIC_TYPE_SHIFT)&7)
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#define GET_UNSIGNED_VALUE(props) ((props)>>UPROPS_VALUE_SHIFT)
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#define GET_SIGNED_VALUE(props) ((int32_t)(props)>>UPROPS_VALUE_SHIFT)
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#define GET_EXCEPTIONS(props) (exceptionsTable+GET_UNSIGNED_VALUE(props))
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#define CAT_MASK(props) U_MASK(GET_CATEGORY(props))
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enum {
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EXC_UPPERCASE,
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EXC_LOWERCASE,
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EXC_TITLECASE,
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EXC_UNUSED,
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EXC_NUMERIC_VALUE,
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EXC_DENOMINATOR_VALUE,
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EXC_MIRROR_MAPPING,
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EXC_SPECIAL_CASING,
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EXC_CASE_FOLDING
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};
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/* number of properties vector words */
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#define UPROPS_VECTOR_WORDS 3
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/*
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* Properties in vector word 0
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* Bits
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* 31..24 DerivedAge version major/minor one nibble each
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* 23 reserved
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* 22..18 Line Break
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* 17..15 East Asian Width
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* 14.. 7 UBlockCode
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* 6.. 0 UScriptCode
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*/
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/* derived age: one nibble each for major and minor version numbers */
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#define UPROPS_AGE_MASK 0xff000000
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#define UPROPS_AGE_SHIFT 24
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#define UPROPS_LB_MASK 0x007C0000
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#define UPROPS_LB_SHIFT 18
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#define UPROPS_EA_MASK 0x00038000
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#define UPROPS_EA_SHIFT 15
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#define UPROPS_BLOCK_MASK 0x00007f80
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#define UPROPS_BLOCK_SHIFT 7
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#define UPROPS_SCRIPT_MASK 0x0000007f
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/*
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* Properties in vector word 1
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* Each bit encodes one binary property.
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* The following constants represent the bit number, use 1<<UPROPS_XYZ.
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* UPROPS_BINARY_1_TOP<=32!
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*
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* Keep this list of property enums in sync with
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* propListNames[] in icu/source/tools/genprops/props2.c!
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*
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* ICU 2.6/uprops format version 3.2 stores full properties instead of "Other_".
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*/
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enum {
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UPROPS_WHITE_SPACE,
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UPROPS_BIDI_CONTROL,
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UPROPS_JOIN_CONTROL,
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UPROPS_DASH,
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UPROPS_HYPHEN,
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UPROPS_QUOTATION_MARK,
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UPROPS_TERMINAL_PUNCTUATION,
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UPROPS_MATH,
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UPROPS_HEX_DIGIT,
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UPROPS_ASCII_HEX_DIGIT,
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UPROPS_ALPHABETIC,
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UPROPS_IDEOGRAPHIC,
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UPROPS_DIACRITIC,
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UPROPS_EXTENDER,
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UPROPS_LOWERCASE,
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UPROPS_UPPERCASE,
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UPROPS_NONCHARACTER_CODE_POINT,
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UPROPS_GRAPHEME_EXTEND,
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UPROPS_GRAPHEME_LINK,
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UPROPS_IDS_BINARY_OPERATOR,
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UPROPS_IDS_TRINARY_OPERATOR,
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UPROPS_RADICAL,
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UPROPS_UNIFIED_IDEOGRAPH,
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UPROPS_DEFAULT_IGNORABLE_CODE_POINT,
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UPROPS_DEPRECATED,
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UPROPS_SOFT_DOTTED,
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UPROPS_LOGICAL_ORDER_EXCEPTION,
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UPROPS_XID_START,
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UPROPS_XID_CONTINUE,
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UPROPS_ID_START, /* ICU 2.6, uprops format version 3.2 */
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UPROPS_ID_CONTINUE,
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UPROPS_GRAPHEME_BASE,
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UPROPS_BINARY_1_TOP /* ==32 - full! */
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};
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/*
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* Properties in vector word 2
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* Bits
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* 13..11 Joining Type
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* 10.. 5 Joining Group
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* 4.. 0 Decomposition Type
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*/
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#define UPROPS_JT_MASK 0x00003800
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#define UPROPS_JT_SHIFT 11
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#define UPROPS_JG_MASK 0x000007e0
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#define UPROPS_JG_SHIFT 5
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#define UPROPS_DT_MASK 0x0000001f
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/**
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* Get a properties vector word for a code point.
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* Implemented in uchar.c for uprops.c.
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* column==-1 gets the 32-bit main properties word instead.
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* @return 0 if no data or illegal argument
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*/
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U_CFUNC uint32_t
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u_getUnicodeProperties(UChar32 c, int32_t column);
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/**
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* Get the the maximum values for some enum/int properties.
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* Use the same column numbers as for u_getUnicodeProperties().
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* The returned value will contain maximum values stored in the same bit fields
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* as where the enum values are stored in the u_getUnicodeProperties()
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* return values for the same columns.
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*
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* Valid columns are those for properties words that contain enumerated values.
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* (ICU 2.6: columns 0 and 2)
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* For other column numbers, this function will return 0.
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*
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* @internal
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*/
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U_CFUNC int32_t
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uprv_getMaxValues(int32_t column);
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/**
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* \var uprv_comparePropertyNames
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* Unicode property names and property value names are compared
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* "loosely". Property[Value]Aliases.txt say:
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* "With loose matching of property names, the case distinctions, whitespace,
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* and '_' are ignored."
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*
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* This function does just that, for (char *) name strings.
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* It is almost identical to ucnv_compareNames() but also ignores
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* C0 White_Space characters (U+0009..U+000d, and U+0085 on EBCDIC).
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*
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* @internal
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*/
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U_CAPI int32_t U_EXPORT2
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uprv_compareASCIIPropertyNames(const char *name1, const char *name2);
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U_CAPI int32_t U_EXPORT2
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uprv_compareEBCDICPropertyNames(const char *name1, const char *name2);
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#if U_CHARSET_FAMILY==U_ASCII_FAMILY
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# define uprv_comparePropertyNames uprv_compareASCIIPropertyNames
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#elif U_CHARSET_FAMILY==U_EBCDIC_FAMILY
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# define uprv_comparePropertyNames uprv_compareEBCDICPropertyNames
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#else
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# error U_CHARSET_FAMILY is not valid
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#endif
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/** Turn a bit index into a bit flag. @internal */
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#define FLAG(n) ((uint32_t)1<<(n))
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/** Flags for general categories in the order of UCharCategory. @internal */
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#define _Cn FLAG(U_GENERAL_OTHER_TYPES)
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#define _Lu FLAG(U_UPPERCASE_LETTER)
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#define _Ll FLAG(U_LOWERCASE_LETTER)
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#define _Lt FLAG(U_TITLECASE_LETTER)
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#define _Lm FLAG(U_MODIFIER_LETTER)
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#define _Lo FLAG(U_OTHER_LETTER)
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#define _Mn FLAG(U_NON_SPACING_MARK)
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#define _Me FLAG(U_ENCLOSING_MARK)
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#define _Mc FLAG(U_COMBINING_SPACING_MARK)
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#define _Nd FLAG(U_DECIMAL_DIGIT_NUMBER)
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#define _Nl FLAG(U_LETTER_NUMBER)
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#define _No FLAG(U_OTHER_NUMBER)
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#define _Zs FLAG(U_SPACE_SEPARATOR)
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#define _Zl FLAG(U_LINE_SEPARATOR)
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#define _Zp FLAG(U_PARAGRAPH_SEPARATOR)
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#define _Cc FLAG(U_CONTROL_CHAR)
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#define _Cf FLAG(U_FORMAT_CHAR)
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#define _Co FLAG(U_PRIVATE_USE_CHAR)
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#define _Cs FLAG(U_SURROGATE)
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#define _Pd FLAG(U_DASH_PUNCTUATION)
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#define _Ps FLAG(U_START_PUNCTUATION)
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#define _Pe FLAG(U_END_PUNCTUATION)
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#define _Pc FLAG(U_CONNECTOR_PUNCTUATION)
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#define _Po FLAG(U_OTHER_PUNCTUATION)
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#define _Sm FLAG(U_MATH_SYMBOL)
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#define _Sc FLAG(U_CURRENCY_SYMBOL)
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#define _Sk FLAG(U_MODIFIER_SYMBOL)
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#define _So FLAG(U_OTHER_SYMBOL)
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#define _Pi FLAG(U_INITIAL_PUNCTUATION)
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#define _Pf FLAG(U_FINAL_PUNCTUATION)
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/** Some code points. @internal */
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enum {
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TAB =0x0009,
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LF =0x000a,
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FF =0x000c,
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CR =0x000d,
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U_A =0x0041,
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U_Z =0x005a,
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U_a =0x0061,
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U_z =0x007a,
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DEL =0x007f,
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NL =0x0085,
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NBSP =0x00a0,
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CGJ =0x034f,
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FIGURESP=0x2007,
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HAIRSP =0x200a,
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ZWNJ =0x200c,
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ZWJ =0x200d,
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RLM =0x200f,
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NNBSP =0x202f,
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WJ =0x2060,
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INHSWAP =0x206a,
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NOMDIG =0x206f,
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ZWNBSP =0xfeff
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};
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/**
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* Is this character a "white space" in the sense of ICU rule parsers?
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* @internal
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*/
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U_CAPI UBool U_EXPORT2
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uprv_isRuleWhiteSpace(UChar32 c);
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/**
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* Get the set of "white space" characters in the sense of ICU rule
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* parsers. Caller must close/delete result.
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* @internal
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*/
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U_CAPI USet* U_EXPORT2
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uprv_openRuleWhiteSpaceSet(UErrorCode* ec);
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/**
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* Get the maximum length of a (regular/1.0/extended) character name.
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* @return 0 if no character names available.
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*/
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U_CAPI int32_t U_EXPORT2
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uprv_getMaxCharNameLength(void);
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#if 0
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/*
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Currently not used but left for future use. Probably by UnicodeSet.
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urename.h and unames.c changed accordingly.
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*/
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/**
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* Get the maximum length of an ISO comment.
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* @return 0 if no ISO comments available.
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*/
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U_CAPI int32_t U_EXPORT2
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uprv_getMaxISOCommentLength();
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#endif
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/**
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* Fills set with characters that are used in Unicode character names.
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* Includes all characters that are used in regular/Unicode 1.0/extended names.
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* Just empties the set if no character names are available.
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* @param set USet to receive characters. Existing contents are deleted.
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*/
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U_CAPI void U_EXPORT2
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uprv_getCharNameCharacters(USet* set);
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#if 0
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/*
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Currently not used but left for future use. Probably by UnicodeSet.
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urename.h and unames.c changed accordingly.
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*/
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/**
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* Fills set with characters that are used in Unicode character names.
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* Just empties the set if no ISO comments are available.
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* @param set USet to receive characters. Existing contents are deleted.
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*/
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U_CAPI void U_EXPORT2
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uprv_getISOCommentCharacters(USet* set);
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*/
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#endif
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/**
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* Enumerate each core properties data trie and add the
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* start of each range of same properties to the set.
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* @internal
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*/
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U_CAPI void U_EXPORT2
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uchar_addPropertyStarts(USet *set, UErrorCode *pErrorCode);
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/**
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* Return a set of characters for property enumeration.
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* For each two consecutive characters (start, limit) in the set,
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* all of the properties for start..limit-1 are all the same.
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*
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* @param set USet to receive result. Existing contents are lost.
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* @internal
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*/
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U_CAPI void U_EXPORT2
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uprv_getInclusions(USet* set, UErrorCode *pErrorCode);
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/**
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* Swap the ICU Unicode properties file. See uchar.c.
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* @internal
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*/
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U_CAPI int32_t U_EXPORT2
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uprops_swap(const UDataSwapper *ds,
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const void *inData, int32_t length, void *outData,
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UErrorCode *pErrorCode);
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/**
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* Swap the ICU Unicode character names file. See uchar.c.
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* @internal
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*/
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U_CAPI int32_t U_EXPORT2
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uchar_swapNames(const UDataSwapper *ds,
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const void *inData, int32_t length, void *outData,
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UErrorCode *pErrorCode);
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#endif
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