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Diffstat (limited to 'JavaScriptGlue/icu/unicode/uchar.h')
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diff --git a/JavaScriptGlue/icu/unicode/uchar.h b/JavaScriptGlue/icu/unicode/uchar.h new file mode 100644 index 0000000..7fd490c --- /dev/null +++ b/JavaScriptGlue/icu/unicode/uchar.h @@ -0,0 +1,2798 @@ +/* +********************************************************************** +* Copyright (C) 1997-2004, International Business Machines +* Corporation and others. All Rights Reserved. +********************************************************************** +* +* File UCHAR.H +* +* Modification History: +* +* Date Name Description +* 04/02/97 aliu Creation. +* 03/29/99 helena Updated for C APIs. +* 4/15/99 Madhu Updated for C Implementation and Javadoc +* 5/20/99 Madhu Added the function u_getVersion() +* 8/19/1999 srl Upgraded scripts to Unicode 3.0 +* 8/27/1999 schererm UCharDirection constants: U_... +* 11/11/1999 weiv added u_isalnum(), cleaned comments +* 01/11/2000 helena Renamed u_getVersion to u_getUnicodeVersion(). +****************************************************************************** +*/ + +#ifndef UCHAR_H +#define UCHAR_H + +#include "unicode/utypes.h" + +U_CDECL_BEGIN + +/*==========================================================================*/ +/* Unicode version number */ +/*==========================================================================*/ +/** + * Unicode version number, default for the current ICU version. + * The actual Unicode Character Database (UCD) data is stored in uprops.dat + * and may be generated from UCD files from a different Unicode version. + * Call u_getUnicodeVersion to get the actual Unicode version of the data. + * + * @see u_getUnicodeVersion + * @stable ICU 2.0 + */ +#define U_UNICODE_VERSION "4.0.1" + +/** + * \file + * \brief C API: Unicode Properties + * + * This C API provides low-level access to the Unicode Character Database. + * In addition to raw property values, some convenience functions calculate + * derived properties, for example for Java-style programming. + * + * Unicode assigns each code point (not just assigned character) values for + * many properties. + * Most of them are simple boolean flags, or constants from a small enumerated list. + * For some properties, values are strings or other relatively more complex types. + * + * For more information see + * "About the Unicode Character Database" (http://www.unicode.org/ucd/) + * and the ICU User Guide chapter on Properties (http://oss.software.ibm.com/icu/userguide/properties.html). + * + * Many functions are designed to match java.lang.Character functions. + * See the individual function documentation, + * and see the JDK 1.4.1 java.lang.Character documentation + * at http://java.sun.com/j2se/1.4.1/docs/api/java/lang/Character.html + * + * There are also functions that provide easy migration from C/POSIX functions + * like isblank(). Their use is generally discouraged because the C/POSIX + * standards do not define their semantics beyond the ASCII range, which means + * that different implementations exhibit very different behavior. + * Instead, Unicode properties should be used directly. + * + * There are also only a few, broad C/POSIX character classes, and they tend + * to be used for conflicting purposes. For example, the "isalpha()" class + * is sometimes used to determine word boundaries, while a more sophisticated + * approach would at least distinguish initial letters from continuation + * characters (the latter including combining marks). + * (In ICU, BreakIterator is the most sophisticated API for word boundaries.) + * Another example: There is no "istitle()" class for titlecase characters. + * + * A summary of the behavior of some C/POSIX character classification implementations + * for Unicode is available at http://oss.software.ibm.com/cvs/icu/~checkout~/icuhtml/design/posix_classes.html + * + * <strong>Important</strong>: + * The behavior of the ICU C/POSIX-style character classification + * functions is subject to change according to discussion of the above summary. + * + * Note: There are several ICU whitespace functions. + * Comparison: + * - u_isUWhiteSpace=UCHAR_WHITE_SPACE: Unicode White_Space property; + * most of general categories "Z" (separators) + most whitespace ISO controls + * (including no-break spaces, but excluding IS1..IS4 and ZWSP) + * - u_isWhitespace: Java isWhitespace; Z + whitespace ISO controls but excluding no-break spaces + * - u_isJavaSpaceChar: Java isSpaceChar; just Z (including no-break spaces) + * - u_isspace: Z + whitespace ISO controls (including no-break spaces) + * - u_isblank: "horizontal spaces" = TAB + Zs - ZWSP + */ + +/** + * Constants. + */ + +/** The lowest Unicode code point value. Code points are non-negative. @stable ICU 2.0 */ +#define UCHAR_MIN_VALUE 0 + +/** + * The highest Unicode code point value (scalar value) according to + * The Unicode Standard. This is a 21-bit value (20.1 bits, rounded up). + * For a single character, UChar32 is a simple type that can hold any code point value. + * + * @see UChar32 + * @stable ICU 2.0 + */ +#define UCHAR_MAX_VALUE 0x10ffff + +/** + * Get a single-bit bit set (a flag) from a bit number 0..31. + * @stable ICU 2.1 + */ +#define U_MASK(x) ((uint32_t)1<<(x)) + +/* + * !! Note: Several comments in this file are machine-read by the + * genpname tool. These comments describe the correspondence between + * icu enum constants and UCD entities. Do not delete them. Update + * these comments as needed. + * + * Any comment of the form "/ *[name]* /" (spaces added) is such + * a comment. + * + * The U_JG_* and U_GC_*_MASK constants are matched by their symbolic + * name, which must match PropertyValueAliases.txt. + */ + +/** + * Selection constants for Unicode properties. + * These constants are used in functions like u_hasBinaryProperty to select + * one of the Unicode properties. + * + * The properties APIs are intended to reflect Unicode properties as defined + * in the Unicode Character Database (UCD) and Unicode Technical Reports (UTR). + * For details about the properties see http://www.unicode.org/ucd/ . + * For names of Unicode properties see the UCD file PropertyAliases.txt. + * + * Important: If ICU is built with UCD files from Unicode versions below, e.g., 3.2, + * then properties marked with "new in Unicode 3.2" are not or not fully available. + * Check u_getUnicodeVersion to be sure. + * + * @see u_hasBinaryProperty + * @see u_getIntPropertyValue + * @see u_getUnicodeVersion + * @stable ICU 2.1 + */ +typedef enum UProperty { + /* See note !!. Comments of the form "Binary property Dash", + "Enumerated property Script", "Double property Numeric_Value", + and "String property Age" are read by genpname. */ + + /* Note: Place UCHAR_ALPHABETIC before UCHAR_BINARY_START so that + debuggers display UCHAR_ALPHABETIC as the symbolic name for 0, + rather than UCHAR_BINARY_START. Likewise for other *_START + identifiers. */ + + /** Binary property Alphabetic. Same as u_isUAlphabetic, different from u_isalpha. + Lu+Ll+Lt+Lm+Lo+Nl+Other_Alphabetic @stable ICU 2.1 */ + UCHAR_ALPHABETIC=0, + /** First constant for binary Unicode properties. @stable ICU 2.1 */ + UCHAR_BINARY_START=UCHAR_ALPHABETIC, + /** Binary property ASCII_Hex_Digit. 0-9 A-F a-f @stable ICU 2.1 */ + UCHAR_ASCII_HEX_DIGIT, + /** Binary property Bidi_Control. + Format controls which have specific functions + in the Bidi Algorithm. @stable ICU 2.1 */ + UCHAR_BIDI_CONTROL, + /** Binary property Bidi_Mirrored. + Characters that may change display in RTL text. + Same as u_isMirrored. + See Bidi Algorithm, UTR 9. @stable ICU 2.1 */ + UCHAR_BIDI_MIRRORED, + /** Binary property Dash. Variations of dashes. @stable ICU 2.1 */ + UCHAR_DASH, + /** Binary property Default_Ignorable_Code_Point (new in Unicode 3.2). + Ignorable in most processing. + <2060..206F, FFF0..FFFB, E0000..E0FFF>+Other_Default_Ignorable_Code_Point+(Cf+Cc+Cs-White_Space) @stable ICU 2.1 */ + UCHAR_DEFAULT_IGNORABLE_CODE_POINT, + /** Binary property Deprecated (new in Unicode 3.2). + The usage of deprecated characters is strongly discouraged. @stable ICU 2.1 */ + UCHAR_DEPRECATED, + /** Binary property Diacritic. Characters that linguistically modify + the meaning of another character to which they apply. @stable ICU 2.1 */ + UCHAR_DIACRITIC, + /** Binary property Extender. + Extend the value or shape of a preceding alphabetic character, + e.g., length and iteration marks. @stable ICU 2.1 */ + UCHAR_EXTENDER, + /** Binary property Full_Composition_Exclusion. + CompositionExclusions.txt+Singleton Decompositions+ + Non-Starter Decompositions. @stable ICU 2.1 */ + UCHAR_FULL_COMPOSITION_EXCLUSION, + /** Binary property Grapheme_Base (new in Unicode 3.2). + For programmatic determination of grapheme cluster boundaries. + [0..10FFFF]-Cc-Cf-Cs-Co-Cn-Zl-Zp-Grapheme_Link-Grapheme_Extend-CGJ @stable ICU 2.1 */ + UCHAR_GRAPHEME_BASE, + /** Binary property Grapheme_Extend (new in Unicode 3.2). + For programmatic determination of grapheme cluster boundaries. + Me+Mn+Mc+Other_Grapheme_Extend-Grapheme_Link-CGJ @stable ICU 2.1 */ + UCHAR_GRAPHEME_EXTEND, + /** Binary property Grapheme_Link (new in Unicode 3.2). + For programmatic determination of grapheme cluster boundaries. @stable ICU 2.1 */ + UCHAR_GRAPHEME_LINK, + /** Binary property Hex_Digit. + Characters commonly used for hexadecimal numbers. @stable ICU 2.1 */ + UCHAR_HEX_DIGIT, + /** Binary property Hyphen. Dashes used to mark connections + between pieces of words, plus the Katakana middle dot. @stable ICU 2.1 */ + UCHAR_HYPHEN, + /** Binary property ID_Continue. + Characters that can continue an identifier. + DerivedCoreProperties.txt also says "NOTE: Cf characters should be filtered out." + ID_Start+Mn+Mc+Nd+Pc @stable ICU 2.1 */ + UCHAR_ID_CONTINUE, + /** Binary property ID_Start. + Characters that can start an identifier. + Lu+Ll+Lt+Lm+Lo+Nl @stable ICU 2.1 */ + UCHAR_ID_START, + /** Binary property Ideographic. + CJKV ideographs. @stable ICU 2.1 */ + UCHAR_IDEOGRAPHIC, + /** Binary property IDS_Binary_Operator (new in Unicode 3.2). + For programmatic determination of + Ideographic Description Sequences. @stable ICU 2.1 */ + UCHAR_IDS_BINARY_OPERATOR, + /** Binary property IDS_Trinary_Operator (new in Unicode 3.2). + For programmatic determination of + Ideographic Description Sequences. @stable ICU 2.1 */ + UCHAR_IDS_TRINARY_OPERATOR, + /** Binary property Join_Control. + Format controls for cursive joining and ligation. @stable ICU 2.1 */ + UCHAR_JOIN_CONTROL, + /** Binary property Logical_Order_Exception (new in Unicode 3.2). + Characters that do not use logical order and + require special handling in most processing. @stable ICU 2.1 */ + UCHAR_LOGICAL_ORDER_EXCEPTION, + /** Binary property Lowercase. Same as u_isULowercase, different from u_islower. + Ll+Other_Lowercase @stable ICU 2.1 */ + UCHAR_LOWERCASE, + /** Binary property Math. Sm+Other_Math @stable ICU 2.1 */ + UCHAR_MATH, + /** Binary property Noncharacter_Code_Point. + Code points that are explicitly defined as illegal + for the encoding of characters. @stable ICU 2.1 */ + UCHAR_NONCHARACTER_CODE_POINT, + /** Binary property Quotation_Mark. @stable ICU 2.1 */ + UCHAR_QUOTATION_MARK, + /** Binary property Radical (new in Unicode 3.2). + For programmatic determination of + Ideographic Description Sequences. @stable ICU 2.1 */ + UCHAR_RADICAL, + /** Binary property Soft_Dotted (new in Unicode 3.2). + Characters with a "soft dot", like i or j. + An accent placed on these characters causes + the dot to disappear. @stable ICU 2.1 */ + UCHAR_SOFT_DOTTED, + /** Binary property Terminal_Punctuation. + Punctuation characters that generally mark + the end of textual units. @stable ICU 2.1 */ + UCHAR_TERMINAL_PUNCTUATION, + /** Binary property Unified_Ideograph (new in Unicode 3.2). + For programmatic determination of + Ideographic Description Sequences. @stable ICU 2.1 */ + UCHAR_UNIFIED_IDEOGRAPH, + /** Binary property Uppercase. Same as u_isUUppercase, different from u_isupper. + Lu+Other_Uppercase @stable ICU 2.1 */ + UCHAR_UPPERCASE, + /** Binary property White_Space. + Same as u_isUWhiteSpace, different from u_isspace and u_isWhitespace. + Space characters+TAB+CR+LF-ZWSP-ZWNBSP @stable ICU 2.1 */ + UCHAR_WHITE_SPACE, + /** Binary property XID_Continue. + ID_Continue modified to allow closure under + normalization forms NFKC and NFKD. @stable ICU 2.1 */ + UCHAR_XID_CONTINUE, + /** Binary property XID_Start. ID_Start modified to allow + closure under normalization forms NFKC and NFKD. @stable ICU 2.1 */ + UCHAR_XID_START, + /** Binary property Case_Sensitive. Either the source of a case + mapping or _in_ the target of a case mapping. Not the same as + the general category Cased_Letter. @stable ICU 2.6 */ + UCHAR_CASE_SENSITIVE, + /** Binary property STerm (new in Unicode 4.0.1). + Sentence Terminal. Used in UAX #29: Text Boundaries + (http://www.unicode.org/reports/tr29/) + @draft ICU 3.0 */ + UCHAR_S_TERM, + /** Binary property Variation_Selector (new in Unicode 4.0.1). + Indicates all those characters that qualify as Variation Selectors. + For details on the behavior of these characters, + see StandardizedVariants.html and 15.6 Variation Selectors. + @draft ICU 3.0 */ + UCHAR_VARIATION_SELECTOR, + /** Binary property NFD_Inert. + ICU-specific property for characters that are inert under NFD, + i.e., they do not interact with adjacent characters. + Used for example in normalizing transforms in incremental mode + to find the boundary of safely normalizable text despite possible + text additions. + + There is one such property per normalization form. + These properties are computed as follows - an inert character is: + a) unassigned, or ALL of the following: + b) of combining class 0. + c) not decomposed by this normalization form. + AND if NFC or NFKC, + d) can never compose with a previous character. + e) can never compose with a following character. + f) can never change if another character is added. + Example: a-breve might satisfy all but f, but if you + add an ogonek it changes to a-ogonek + breve + + See also com.ibm.text.UCD.NFSkippable in the ICU4J repository, + and icu/source/common/unormimp.h . + @draft ICU 3.0 */ + UCHAR_NFD_INERT, + /** Binary property NFKD_Inert. + ICU-specific property for characters that are inert under NFKD, + i.e., they do not interact with adjacent characters. + Used for example in normalizing transforms in incremental mode + to find the boundary of safely normalizable text despite possible + text additions. + @see UCHAR_NFD_INERT + @draft ICU 3.0 */ + UCHAR_NFKD_INERT, + /** Binary property NFC_Inert. + ICU-specific property for characters that are inert under NFC, + i.e., they do not interact with adjacent characters. + Used for example in normalizing transforms in incremental mode + to find the boundary of safely normalizable text despite possible + text additions. + @see UCHAR_NFD_INERT + @draft ICU 3.0 */ + UCHAR_NFC_INERT, + /** Binary property NFKC_Inert. + ICU-specific property for characters that are inert under NFKC, + i.e., they do not interact with adjacent characters. + Used for example in normalizing transforms in incremental mode + to find the boundary of safely normalizable text despite possible + text additions. + @see UCHAR_NFD_INERT + @draft ICU 3.0 */ + UCHAR_NFKC_INERT, + /** Binary Property Segment_Starter. + ICU-specific property for characters that are starters in terms of + Unicode normalization and combining character sequences. + They have ccc=0 and do not occur in non-initial position of the + canonical decomposition of any character + (like " in NFD(a-umlaut) and a Jamo T in an NFD(Hangul LVT)). + ICU uses this property for segmenting a string for generating a set of + canonically equivalent strings, e.g. for canonical closure while + processing collation tailoring rules. + @draft ICU 3.0 */ + UCHAR_SEGMENT_STARTER, + /** One more than the last constant for binary Unicode properties. @stable ICU 2.1 */ + UCHAR_BINARY_LIMIT, + + /** Enumerated property Bidi_Class. + Same as u_charDirection, returns UCharDirection values. @stable ICU 2.2 */ + UCHAR_BIDI_CLASS=0x1000, + /** First constant for enumerated/integer Unicode properties. @stable ICU 2.2 */ + UCHAR_INT_START=UCHAR_BIDI_CLASS, + /** Enumerated property Block. + Same as ublock_getCode, returns UBlockCode values. @stable ICU 2.2 */ + UCHAR_BLOCK, + /** Enumerated property Canonical_Combining_Class. + Same as u_getCombiningClass, returns 8-bit numeric values. @stable ICU 2.2 */ + UCHAR_CANONICAL_COMBINING_CLASS, + /** Enumerated property Decomposition_Type. + Returns UDecompositionType values. @stable ICU 2.2 */ + UCHAR_DECOMPOSITION_TYPE, + /** Enumerated property East_Asian_Width. + See http://www.unicode.org/reports/tr11/ + Returns UEastAsianWidth values. @stable ICU 2.2 */ + UCHAR_EAST_ASIAN_WIDTH, + /** Enumerated property General_Category. + Same as u_charType, returns UCharCategory values. @stable ICU 2.2 */ + UCHAR_GENERAL_CATEGORY, + /** Enumerated property Joining_Group. + Returns UJoiningGroup values. @stable ICU 2.2 */ + UCHAR_JOINING_GROUP, + /** Enumerated property Joining_Type. + Returns UJoiningType values. @stable ICU 2.2 */ + UCHAR_JOINING_TYPE, + /** Enumerated property Line_Break. + Returns ULineBreak values. @stable ICU 2.2 */ + UCHAR_LINE_BREAK, + /** Enumerated property Numeric_Type. + Returns UNumericType values. @stable ICU 2.2 */ + UCHAR_NUMERIC_TYPE, + /** Enumerated property Script. + Same as uscript_getScript, returns UScriptCode values. @stable ICU 2.2 */ + UCHAR_SCRIPT, + /** Enumerated property Hangul_Syllable_Type, new in Unicode 4. + Returns UHangulSyllableType values. @stable ICU 2.6 */ + UCHAR_HANGUL_SYLLABLE_TYPE, + /** Enumerated property NFD_Quick_Check. + Returns UNormalizationCheckResult values. @draft ICU 3.0 */ + UCHAR_NFD_QUICK_CHECK, + /** Enumerated property NFKD_Quick_Check. + Returns UNormalizationCheckResult values. @draft ICU 3.0 */ + UCHAR_NFKD_QUICK_CHECK, + /** Enumerated property NFC_Quick_Check. + Returns UNormalizationCheckResult values. @draft ICU 3.0 */ + UCHAR_NFC_QUICK_CHECK, + /** Enumerated property NFKC_Quick_Check. + Returns UNormalizationCheckResult values. @draft ICU 3.0 */ + UCHAR_NFKC_QUICK_CHECK, + /** Enumerated property Lead_Canonical_Combining_Class. + ICU-specific property for the ccc of the first code point + of the decomposition, or lccc(c)=ccc(NFD(c)[0]). + Useful for checking for canonically ordered text; + see UNORM_FCD and http://www.unicode.org/notes/tn5/#FCD . + Returns 8-bit numeric values like UCHAR_CANONICAL_COMBINING_CLASS. @draft ICU 3.0 */ + UCHAR_LEAD_CANONICAL_COMBINING_CLASS, + /** Enumerated property Trail_Canonical_Combining_Class. + ICU-specific property for the ccc of the last code point + of the decomposition, or tccc(c)=ccc(NFD(c)[last]). + Useful for checking for canonically ordered text; + see UNORM_FCD and http://www.unicode.org/notes/tn5/#FCD . + Returns 8-bit numeric values like UCHAR_CANONICAL_COMBINING_CLASS. @draft ICU 3.0 */ + UCHAR_TRAIL_CANONICAL_COMBINING_CLASS, + /** One more than the last constant for enumerated/integer Unicode properties. @stable ICU 2.2 */ + UCHAR_INT_LIMIT, + + /** Bitmask property General_Category_Mask. + This is the General_Category property returned as a bit mask. + When used in u_getIntPropertyValue(c), same as U_MASK(u_charType(c)), + returns bit masks for UCharCategory values where exactly one bit is set. + When used with u_getPropertyValueName() and u_getPropertyValueEnum(), + a multi-bit mask is used for sets of categories like "Letters". + Mask values should be cast to uint32_t. + @stable ICU 2.4 */ + UCHAR_GENERAL_CATEGORY_MASK=0x2000, + /** First constant for bit-mask Unicode properties. @stable ICU 2.4 */ + UCHAR_MASK_START=UCHAR_GENERAL_CATEGORY_MASK, + /** One more than the last constant for bit-mask Unicode properties. @stable ICU 2.4 */ + UCHAR_MASK_LIMIT, + + /** Double property Numeric_Value. + Corresponds to u_getNumericValue. @stable ICU 2.4 */ + UCHAR_NUMERIC_VALUE=0x3000, + /** First constant for double Unicode properties. @stable ICU 2.4 */ + UCHAR_DOUBLE_START=UCHAR_NUMERIC_VALUE, + /** One more than the last constant for double Unicode properties. @stable ICU 2.4 */ + UCHAR_DOUBLE_LIMIT, + + /** String property Age. + Corresponds to u_charAge. @stable ICU 2.4 */ + UCHAR_AGE=0x4000, + /** First constant for string Unicode properties. @stable ICU 2.4 */ + UCHAR_STRING_START=UCHAR_AGE, + /** String property Bidi_Mirroring_Glyph. + Corresponds to u_charMirror. @stable ICU 2.4 */ + UCHAR_BIDI_MIRRORING_GLYPH, + /** String property Case_Folding. + Corresponds to u_strFoldCase in ustring.h. @stable ICU 2.4 */ + UCHAR_CASE_FOLDING, + /** String property ISO_Comment. + Corresponds to u_getISOComment. @stable ICU 2.4 */ + UCHAR_ISO_COMMENT, + /** String property Lowercase_Mapping. + Corresponds to u_strToLower in ustring.h. @stable ICU 2.4 */ + UCHAR_LOWERCASE_MAPPING, + /** String property Name. + Corresponds to u_charName. @stable ICU 2.4 */ + UCHAR_NAME, + /** String property Simple_Case_Folding. + Corresponds to u_foldCase. @stable ICU 2.4 */ + UCHAR_SIMPLE_CASE_FOLDING, + /** String property Simple_Lowercase_Mapping. + Corresponds to u_tolower. @stable ICU 2.4 */ + UCHAR_SIMPLE_LOWERCASE_MAPPING, + /** String property Simple_Titlecase_Mapping. + Corresponds to u_totitle. @stable ICU 2.4 */ + UCHAR_SIMPLE_TITLECASE_MAPPING, + /** String property Simple_Uppercase_Mapping. + Corresponds to u_toupper. @stable ICU 2.4 */ + UCHAR_SIMPLE_UPPERCASE_MAPPING, + /** String property Titlecase_Mapping. + Corresponds to u_strToTitle in ustring.h. @stable ICU 2.4 */ + UCHAR_TITLECASE_MAPPING, + /** String property Unicode_1_Name. + Corresponds to u_charName. @stable ICU 2.4 */ + UCHAR_UNICODE_1_NAME, + /** String property Uppercase_Mapping. + Corresponds to u_strToUpper in ustring.h. @stable ICU 2.4 */ + UCHAR_UPPERCASE_MAPPING, + /** One more than the last constant for string Unicode properties. @stable ICU 2.4 */ + UCHAR_STRING_LIMIT, + + /** Represents a nonexistent or invalid property or property value. @stable ICU 2.4 */ + UCHAR_INVALID_CODE = -1 +} UProperty; + +/** + * Data for enumerated Unicode general category types. + * See http://www.unicode.org/Public/UNIDATA/UnicodeData.html . + * @stable ICU 2.0 + */ +typedef enum UCharCategory +{ + /** See note !!. Comments of the form "Cn" are read by genpname. */ + + /** Non-category for unassigned and non-character code points. @stable ICU 2.0 */ + U_UNASSIGNED = 0, + /** Cn "Other, Not Assigned (no characters in [UnicodeData.txt] have this property)" (same as U_UNASSIGNED!) @stable ICU 2.0 */ + U_GENERAL_OTHER_TYPES = 0, + /** Lu @stable ICU 2.0 */ + U_UPPERCASE_LETTER = 1, + /** Ll @stable ICU 2.0 */ + U_LOWERCASE_LETTER = 2, + /** Lt @stable ICU 2.0 */ + U_TITLECASE_LETTER = 3, + /** Lm @stable ICU 2.0 */ + U_MODIFIER_LETTER = 4, + /** Lo @stable ICU 2.0 */ + U_OTHER_LETTER = 5, + /** Mn @stable ICU 2.0 */ + U_NON_SPACING_MARK = 6, + /** Me @stable ICU 2.0 */ + U_ENCLOSING_MARK = 7, + /** Mc @stable ICU 2.0 */ + U_COMBINING_SPACING_MARK = 8, + /** Nd @stable ICU 2.0 */ + U_DECIMAL_DIGIT_NUMBER = 9, + /** Nl @stable ICU 2.0 */ + U_LETTER_NUMBER = 10, + /** No @stable ICU 2.0 */ + U_OTHER_NUMBER = 11, + /** Zs @stable ICU 2.0 */ + U_SPACE_SEPARATOR = 12, + /** Zl @stable ICU 2.0 */ + U_LINE_SEPARATOR = 13, + /** Zp @stable ICU 2.0 */ + U_PARAGRAPH_SEPARATOR = 14, + /** Cc @stable ICU 2.0 */ + U_CONTROL_CHAR = 15, + /** Cf @stable ICU 2.0 */ + U_FORMAT_CHAR = 16, + /** Co @stable ICU 2.0 */ + U_PRIVATE_USE_CHAR = 17, + /** Cs @stable ICU 2.0 */ + U_SURROGATE = 18, + /** Pd @stable ICU 2.0 */ + U_DASH_PUNCTUATION = 19, + /** Ps @stable ICU 2.0 */ + U_START_PUNCTUATION = 20, + /** Pe @stable ICU 2.0 */ + U_END_PUNCTUATION = 21, + /** Pc @stable ICU 2.0 */ + U_CONNECTOR_PUNCTUATION = 22, + /** Po @stable ICU 2.0 */ + U_OTHER_PUNCTUATION = 23, + /** Sm @stable ICU 2.0 */ + U_MATH_SYMBOL = 24, + /** Sc @stable ICU 2.0 */ + U_CURRENCY_SYMBOL = 25, + /** Sk @stable ICU 2.0 */ + U_MODIFIER_SYMBOL = 26, + /** So @stable ICU 2.0 */ + U_OTHER_SYMBOL = 27, + /** Pi @stable ICU 2.0 */ + U_INITIAL_PUNCTUATION = 28, + /** Pf @stable ICU 2.0 */ + U_FINAL_PUNCTUATION = 29, + /** One higher than the last enum UCharCategory constant. @stable ICU 2.0 */ + U_CHAR_CATEGORY_COUNT +} UCharCategory; + +/** + * U_GC_XX_MASK constants are bit flags corresponding to Unicode + * general category values. + * For each category, the nth bit is set if the numeric value of the + * corresponding UCharCategory constant is n. + * + * There are also some U_GC_Y_MASK constants for groups of general categories + * like L for all letter categories. + * + * @see u_charType + * @see U_GET_GC_MASK + * @see UCharCategory + * @stable ICU 2.1 + */ +#define U_GC_CN_MASK U_MASK(U_GENERAL_OTHER_TYPES) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_LU_MASK U_MASK(U_UPPERCASE_LETTER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_LL_MASK U_MASK(U_LOWERCASE_LETTER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_LT_MASK U_MASK(U_TITLECASE_LETTER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_LM_MASK U_MASK(U_MODIFIER_LETTER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_LO_MASK U_MASK(U_OTHER_LETTER) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_MN_MASK U_MASK(U_NON_SPACING_MARK) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_ME_MASK U_MASK(U_ENCLOSING_MARK) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_MC_MASK U_MASK(U_COMBINING_SPACING_MARK) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_ND_MASK U_MASK(U_DECIMAL_DIGIT_NUMBER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_NL_MASK U_MASK(U_LETTER_NUMBER) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_NO_MASK U_MASK(U_OTHER_NUMBER) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_ZS_MASK U_MASK(U_SPACE_SEPARATOR) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_ZL_MASK U_MASK(U_LINE_SEPARATOR) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_ZP_MASK U_MASK(U_PARAGRAPH_SEPARATOR) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_CC_MASK U_MASK(U_CONTROL_CHAR) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_CF_MASK U_MASK(U_FORMAT_CHAR) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_CO_MASK U_MASK(U_PRIVATE_USE_CHAR) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_CS_MASK U_MASK(U_SURROGATE) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PD_MASK U_MASK(U_DASH_PUNCTUATION) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PS_MASK U_MASK(U_START_PUNCTUATION) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PE_MASK U_MASK(U_END_PUNCTUATION) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PC_MASK U_MASK(U_CONNECTOR_PUNCTUATION) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PO_MASK U_MASK(U_OTHER_PUNCTUATION) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_SM_MASK U_MASK(U_MATH_SYMBOL) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_SC_MASK U_MASK(U_CURRENCY_SYMBOL) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_SK_MASK U_MASK(U_MODIFIER_SYMBOL) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_SO_MASK U_MASK(U_OTHER_SYMBOL) + +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PI_MASK U_MASK(U_INITIAL_PUNCTUATION) +/** Mask constant for a UCharCategory. @stable ICU 2.1 */ +#define U_GC_PF_MASK U_MASK(U_FINAL_PUNCTUATION) + + +/** Mask constant for multiple UCharCategory bits (L Letters). @stable ICU 2.1 */ +#define U_GC_L_MASK \ + (U_GC_LU_MASK|U_GC_LL_MASK|U_GC_LT_MASK|U_GC_LM_MASK|U_GC_LO_MASK) + +/** Mask constant for multiple UCharCategory bits (LC Cased Letters). @stable ICU 2.1 */ +#define U_GC_LC_MASK \ + (U_GC_LU_MASK|U_GC_LL_MASK|U_GC_LT_MASK) + +/** Mask constant for multiple UCharCategory bits (M Marks). @stable ICU 2.1 */ +#define U_GC_M_MASK (U_GC_MN_MASK|U_GC_ME_MASK|U_GC_MC_MASK) + +/** Mask constant for multiple UCharCategory bits (N Numbers). @stable ICU 2.1 */ +#define U_GC_N_MASK (U_GC_ND_MASK|U_GC_NL_MASK|U_GC_NO_MASK) + +/** Mask constant for multiple UCharCategory bits (Z Separators). @stable ICU 2.1 */ +#define U_GC_Z_MASK (U_GC_ZS_MASK|U_GC_ZL_MASK|U_GC_ZP_MASK) + +/** Mask constant for multiple UCharCategory bits (C Others). @stable ICU 2.1 */ +#define U_GC_C_MASK \ + (U_GC_CN_MASK|U_GC_CC_MASK|U_GC_CF_MASK|U_GC_CO_MASK|U_GC_CS_MASK) + +/** Mask constant for multiple UCharCategory bits (P Punctuation). @stable ICU 2.1 */ +#define U_GC_P_MASK \ + (U_GC_PD_MASK|U_GC_PS_MASK|U_GC_PE_MASK|U_GC_PC_MASK|U_GC_PO_MASK| \ + U_GC_PI_MASK|U_GC_PF_MASK) + +/** Mask constant for multiple UCharCategory bits (S Symbols). @stable ICU 2.1 */ +#define U_GC_S_MASK (U_GC_SM_MASK|U_GC_SC_MASK|U_GC_SK_MASK|U_GC_SO_MASK) + +/** + * This specifies the language directional property of a character set. + * @stable ICU 2.0 + */ +typedef enum UCharDirection { + /** See note !!. Comments of the form "EN" are read by genpname. */ + + /** L @stable ICU 2.0 */ + U_LEFT_TO_RIGHT = 0, + /** R @stable ICU 2.0 */ + U_RIGHT_TO_LEFT = 1, + /** EN @stable ICU 2.0 */ + U_EUROPEAN_NUMBER = 2, + /** ES @stable ICU 2.0 */ + U_EUROPEAN_NUMBER_SEPARATOR = 3, + /** ET @stable ICU 2.0 */ + U_EUROPEAN_NUMBER_TERMINATOR = 4, + /** AN @stable ICU 2.0 */ + U_ARABIC_NUMBER = 5, + /** CS @stable ICU 2.0 */ + U_COMMON_NUMBER_SEPARATOR = 6, + /** B @stable ICU 2.0 */ + U_BLOCK_SEPARATOR = 7, + /** S @stable ICU 2.0 */ + U_SEGMENT_SEPARATOR = 8, + /** WS @stable ICU 2.0 */ + U_WHITE_SPACE_NEUTRAL = 9, + /** ON @stable ICU 2.0 */ + U_OTHER_NEUTRAL = 10, + /** LRE @stable ICU 2.0 */ + U_LEFT_TO_RIGHT_EMBEDDING = 11, + /** LRO @stable ICU 2.0 */ + U_LEFT_TO_RIGHT_OVERRIDE = 12, + /** AL @stable ICU 2.0 */ + U_RIGHT_TO_LEFT_ARABIC = 13, + /** RLE @stable ICU 2.0 */ + U_RIGHT_TO_LEFT_EMBEDDING = 14, + /** RLO @stable ICU 2.0 */ + U_RIGHT_TO_LEFT_OVERRIDE = 15, + /** PDF @stable ICU 2.0 */ + U_POP_DIRECTIONAL_FORMAT = 16, + /** NSM @stable ICU 2.0 */ + U_DIR_NON_SPACING_MARK = 17, + /** BN @stable ICU 2.0 */ + U_BOUNDARY_NEUTRAL = 18, + /** @stable ICU 2.0 */ + U_CHAR_DIRECTION_COUNT +} UCharDirection; + +/** + * Constants for Unicode blocks, see the Unicode Data file Blocks.txt + * @stable ICU 2.0 + */ +enum UBlockCode { + + /** New No_Block value in Unicode 4. @stable ICU 2.6 */ + UBLOCK_NO_BLOCK = 0, /*[none]*/ /* Special range indicating No_Block */ + + /** @stable ICU 2.0 */ + UBLOCK_BASIC_LATIN = 1, /*[0000]*/ /*See note !!*/ + + /** @stable ICU 2.0 */ + UBLOCK_LATIN_1_SUPPLEMENT=2, /*[0080]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LATIN_EXTENDED_A =3, /*[0100]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LATIN_EXTENDED_B =4, /*[0180]*/ + + /** @stable ICU 2.0 */ + UBLOCK_IPA_EXTENSIONS =5, /*[0250]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SPACING_MODIFIER_LETTERS =6, /*[02B0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_COMBINING_DIACRITICAL_MARKS =7, /*[0300]*/ + + /** + * Unicode 3.2 renames this block to "Greek and Coptic". + * @stable ICU 2.0 + */ + UBLOCK_GREEK =8, /*[0370]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CYRILLIC =9, /*[0400]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ARMENIAN =10, /*[0530]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HEBREW =11, /*[0590]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ARABIC =12, /*[0600]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SYRIAC =13, /*[0700]*/ + + /** @stable ICU 2.0 */ + UBLOCK_THAANA =14, /*[0780]*/ + + /** @stable ICU 2.0 */ + UBLOCK_DEVANAGARI =15, /*[0900]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BENGALI =16, /*[0980]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GURMUKHI =17, /*[0A00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GUJARATI =18, /*[0A80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ORIYA =19, /*[0B00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_TAMIL =20, /*[0B80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_TELUGU =21, /*[0C00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_KANNADA =22, /*[0C80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MALAYALAM =23, /*[0D00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SINHALA =24, /*[0D80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_THAI =25, /*[0E00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LAO =26, /*[0E80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_TIBETAN =27, /*[0F00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MYANMAR =28, /*[1000]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GEORGIAN =29, /*[10A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HANGUL_JAMO =30, /*[1100]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ETHIOPIC =31, /*[1200]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CHEROKEE =32, /*[13A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS =33, /*[1400]*/ + + /** @stable ICU 2.0 */ + UBLOCK_OGHAM =34, /*[1680]*/ + + /** @stable ICU 2.0 */ + UBLOCK_RUNIC =35, /*[16A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_KHMER =36, /*[1780]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MONGOLIAN =37, /*[1800]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LATIN_EXTENDED_ADDITIONAL =38, /*[1E00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GREEK_EXTENDED =39, /*[1F00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GENERAL_PUNCTUATION =40, /*[2000]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SUPERSCRIPTS_AND_SUBSCRIPTS =41, /*[2070]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CURRENCY_SYMBOLS =42, /*[20A0]*/ + + /** + * Unicode 3.2 renames this block to "Combining Diacritical Marks for Symbols". + * @stable ICU 2.0 + */ + UBLOCK_COMBINING_MARKS_FOR_SYMBOLS =43, /*[20D0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LETTERLIKE_SYMBOLS =44, /*[2100]*/ + + /** @stable ICU 2.0 */ + UBLOCK_NUMBER_FORMS =45, /*[2150]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ARROWS =46, /*[2190]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MATHEMATICAL_OPERATORS =47, /*[2200]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MISCELLANEOUS_TECHNICAL =48, /*[2300]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CONTROL_PICTURES =49, /*[2400]*/ + + /** @stable ICU 2.0 */ + UBLOCK_OPTICAL_CHARACTER_RECOGNITION =50, /*[2440]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ENCLOSED_ALPHANUMERICS =51, /*[2460]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BOX_DRAWING =52, /*[2500]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BLOCK_ELEMENTS =53, /*[2580]*/ + + /** @stable ICU 2.0 */ + UBLOCK_GEOMETRIC_SHAPES =54, /*[25A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_MISCELLANEOUS_SYMBOLS =55, /*[2600]*/ + + /** @stable ICU 2.0 */ + UBLOCK_DINGBATS =56, /*[2700]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BRAILLE_PATTERNS =57, /*[2800]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_RADICALS_SUPPLEMENT =58, /*[2E80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_KANGXI_RADICALS =59, /*[2F00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_IDEOGRAPHIC_DESCRIPTION_CHARACTERS =60, /*[2FF0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_SYMBOLS_AND_PUNCTUATION =61, /*[3000]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HIRAGANA =62, /*[3040]*/ + + /** @stable ICU 2.0 */ + UBLOCK_KATAKANA =63, /*[30A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BOPOMOFO =64, /*[3100]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HANGUL_COMPATIBILITY_JAMO =65, /*[3130]*/ + + /** @stable ICU 2.0 */ + UBLOCK_KANBUN =66, /*[3190]*/ + + /** @stable ICU 2.0 */ + UBLOCK_BOPOMOFO_EXTENDED =67, /*[31A0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ENCLOSED_CJK_LETTERS_AND_MONTHS =68, /*[3200]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_COMPATIBILITY =69, /*[3300]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_A =70, /*[3400]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_UNIFIED_IDEOGRAPHS =71, /*[4E00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_YI_SYLLABLES =72, /*[A000]*/ + + /** @stable ICU 2.0 */ + UBLOCK_YI_RADICALS =73, /*[A490]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HANGUL_SYLLABLES =74, /*[AC00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HIGH_SURROGATES =75, /*[D800]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HIGH_PRIVATE_USE_SURROGATES =76, /*[DB80]*/ + + /** @stable ICU 2.0 */ + UBLOCK_LOW_SURROGATES =77, /*[DC00]*/ + + /** + * Same as UBLOCK_PRIVATE_USE_AREA. + * Until Unicode 3.1.1, the corresponding block name was "Private Use", + * and multiple code point ranges had this block. + * Unicode 3.2 renames the block for the BMP PUA to "Private Use Area" and + * adds separate blocks for the supplementary PUAs. + * + * @stable ICU 2.0 + */ + UBLOCK_PRIVATE_USE = 78, + /** + * Same as UBLOCK_PRIVATE_USE. + * Until Unicode 3.1.1, the corresponding block name was "Private Use", + * and multiple code point ranges had this block. + * Unicode 3.2 renames the block for the BMP PUA to "Private Use Area" and + * adds separate blocks for the supplementary PUAs. + * + * @stable ICU 2.0 + */ + UBLOCK_PRIVATE_USE_AREA =UBLOCK_PRIVATE_USE, /*[E000]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS =79, /*[F900]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ALPHABETIC_PRESENTATION_FORMS =80, /*[FB00]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ARABIC_PRESENTATION_FORMS_A =81, /*[FB50]*/ + + /** @stable ICU 2.0 */ + UBLOCK_COMBINING_HALF_MARKS =82, /*[FE20]*/ + + /** @stable ICU 2.0 */ + UBLOCK_CJK_COMPATIBILITY_FORMS =83, /*[FE30]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SMALL_FORM_VARIANTS =84, /*[FE50]*/ + + /** @stable ICU 2.0 */ + UBLOCK_ARABIC_PRESENTATION_FORMS_B =85, /*[FE70]*/ + + /** @stable ICU 2.0 */ + UBLOCK_SPECIALS =86, /*[FFF0]*/ + + /** @stable ICU 2.0 */ + UBLOCK_HALFWIDTH_AND_FULLWIDTH_FORMS =87, /*[FF00]*/ + + /* New blocks in Unicode 3.1 */ + + /** @stable ICU 2.0 */ + UBLOCK_OLD_ITALIC = 88 , /*[10300]*/ + /** @stable ICU 2.0 */ + UBLOCK_GOTHIC = 89 , /*[10330]*/ + /** @stable ICU 2.0 */ + UBLOCK_DESERET = 90 , /*[10400]*/ + /** @stable ICU 2.0 */ + UBLOCK_BYZANTINE_MUSICAL_SYMBOLS = 91 , /*[1D000]*/ + /** @stable ICU 2.0 */ + UBLOCK_MUSICAL_SYMBOLS = 92 , /*[1D100]*/ + /** @stable ICU 2.0 */ + UBLOCK_MATHEMATICAL_ALPHANUMERIC_SYMBOLS = 93 , /*[1D400]*/ + /** @stable ICU 2.0 */ + UBLOCK_CJK_UNIFIED_IDEOGRAPHS_EXTENSION_B = 94 , /*[20000]*/ + /** @stable ICU 2.0 */ + UBLOCK_CJK_COMPATIBILITY_IDEOGRAPHS_SUPPLEMENT = 95 , /*[2F800]*/ + /** @stable ICU 2.0 */ + UBLOCK_TAGS = 96, /*[E0000]*/ + + /* New blocks in Unicode 3.2 */ + + /** + * Unicode 4.0.1 renames the "Cyrillic Supplementary" block to "Cyrillic Supplement". + * @stable ICU 2.2 + */ + UBLOCK_CYRILLIC_SUPPLEMENTARY = 97, + /** @draft ICU 3.0 */ + UBLOCK_CYRILLIC_SUPPLEMENT = UBLOCK_CYRILLIC_SUPPLEMENTARY, /*[0500]*/ + /** @stable ICU 2.2 */ + UBLOCK_TAGALOG = 98, /*[1700]*/ + /** @stable ICU 2.2 */ + UBLOCK_HANUNOO = 99, /*[1720]*/ + /** @stable ICU 2.2 */ + UBLOCK_BUHID = 100, /*[1740]*/ + /** @stable ICU 2.2 */ + UBLOCK_TAGBANWA = 101, /*[1760]*/ + /** @stable ICU 2.2 */ + UBLOCK_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_A = 102, /*[27C0]*/ + /** @stable ICU 2.2 */ + UBLOCK_SUPPLEMENTAL_ARROWS_A = 103, /*[27F0]*/ + /** @stable ICU 2.2 */ + UBLOCK_SUPPLEMENTAL_ARROWS_B = 104, /*[2900]*/ + /** @stable ICU 2.2 */ + UBLOCK_MISCELLANEOUS_MATHEMATICAL_SYMBOLS_B = 105, /*[2980]*/ + /** @stable ICU 2.2 */ + UBLOCK_SUPPLEMENTAL_MATHEMATICAL_OPERATORS = 106, /*[2A00]*/ + /** @stable ICU 2.2 */ + UBLOCK_KATAKANA_PHONETIC_EXTENSIONS = 107, /*[31F0]*/ + /** @stable ICU 2.2 */ + UBLOCK_VARIATION_SELECTORS = 108, /*[FE00]*/ + /** @stable ICU 2.2 */ + UBLOCK_SUPPLEMENTARY_PRIVATE_USE_AREA_A = 109, /*[F0000]*/ + /** @stable ICU 2.2 */ + UBLOCK_SUPPLEMENTARY_PRIVATE_USE_AREA_B = 110, /*[100000]*/ + + /* New blocks in Unicode 4 */ + + /** @stable ICU 2.6 */ + UBLOCK_LIMBU = 111, /*[1900]*/ + /** @stable ICU 2.6 */ + UBLOCK_TAI_LE = 112, /*[1950]*/ + /** @stable ICU 2.6 */ + UBLOCK_KHMER_SYMBOLS = 113, /*[19E0]*/ + /** @stable ICU 2.6 */ + UBLOCK_PHONETIC_EXTENSIONS = 114, /*[1D00]*/ + /** @stable ICU 2.6 */ + UBLOCK_MISCELLANEOUS_SYMBOLS_AND_ARROWS = 115, /*[2B00]*/ + /** @stable ICU 2.6 */ + UBLOCK_YIJING_HEXAGRAM_SYMBOLS = 116, /*[4DC0]*/ + /** @stable ICU 2.6 */ + UBLOCK_LINEAR_B_SYLLABARY = 117, /*[10000]*/ + /** @stable ICU 2.6 */ + UBLOCK_LINEAR_B_IDEOGRAMS = 118, /*[10080]*/ + /** @stable ICU 2.6 */ + UBLOCK_AEGEAN_NUMBERS = 119, /*[10100]*/ + /** @stable ICU 2.6 */ + UBLOCK_UGARITIC = 120, /*[10380]*/ + /** @stable ICU 2.6 */ + UBLOCK_SHAVIAN = 121, /*[10450]*/ + /** @stable ICU 2.6 */ + UBLOCK_OSMANYA = 122, /*[10480]*/ + /** @stable ICU 2.6 */ + UBLOCK_CYPRIOT_SYLLABARY = 123, /*[10800]*/ + /** @stable ICU 2.6 */ + UBLOCK_TAI_XUAN_JING_SYMBOLS = 124, /*[1D300]*/ + /** @stable ICU 2.6 */ + UBLOCK_VARIATION_SELECTORS_SUPPLEMENT = 125, /*[E0100]*/ + + /** @stable ICU 2.0 */ + UBLOCK_COUNT, + + /** @stable ICU 2.0 */ + UBLOCK_INVALID_CODE=-1 +}; + +/** @stable ICU 2.0 */ +typedef enum UBlockCode UBlockCode; + +/** + * East Asian Width constants. + * + * @see UCHAR_EAST_ASIAN_WIDTH + * @see u_getIntPropertyValue + * @stable ICU 2.2 + */ +typedef enum UEastAsianWidth { + U_EA_NEUTRAL, /*[N]*/ /*See note !!*/ + U_EA_AMBIGUOUS, /*[A]*/ + U_EA_HALFWIDTH, /*[H]*/ + U_EA_FULLWIDTH, /*[F]*/ + U_EA_NARROW, /*[Na]*/ + U_EA_WIDE, /*[W]*/ + U_EA_COUNT +} UEastAsianWidth; +/* + * Implementation note: + * Keep UEastAsianWidth constant values in sync with names list in genprops/props2.c. + */ + +/** + * Selector constants for u_charName(). + * u_charName() returns the "modern" name of a + * Unicode character; or the name that was defined in + * Unicode version 1.0, before the Unicode standard merged + * with ISO-10646; or an "extended" name that gives each + * Unicode code point a unique name. + * + * @see u_charName + * @stable ICU 2.0 + */ +typedef enum UCharNameChoice { + U_UNICODE_CHAR_NAME, + U_UNICODE_10_CHAR_NAME, + U_EXTENDED_CHAR_NAME, + U_CHAR_NAME_CHOICE_COUNT +} UCharNameChoice; + +/** + * Selector constants for u_getPropertyName() and + * u_getPropertyValueName(). These selectors are used to choose which + * name is returned for a given property or value. All properties and + * values have a long name. Most have a short name, but some do not. + * Unicode allows for additional names, beyond the long and short + * name, which would be indicated by U_LONG_PROPERTY_NAME + i, where + * i=1, 2,... + * + * @see u_getPropertyName() + * @see u_getPropertyValueName() + * @stable ICU 2.4 + */ +typedef enum UPropertyNameChoice { + U_SHORT_PROPERTY_NAME, + U_LONG_PROPERTY_NAME, + U_PROPERTY_NAME_CHOICE_COUNT +} UPropertyNameChoice; + +/** + * Decomposition Type constants. + * + * @see UCHAR_DECOMPOSITION_TYPE + * @stable ICU 2.2 + */ +typedef enum UDecompositionType { + U_DT_NONE, /*[none]*/ /*See note !!*/ + U_DT_CANONICAL, /*[can]*/ + U_DT_COMPAT, /*[com]*/ + U_DT_CIRCLE, /*[enc]*/ + U_DT_FINAL, /*[fin]*/ + U_DT_FONT, /*[font]*/ + U_DT_FRACTION, /*[fra]*/ + U_DT_INITIAL, /*[init]*/ + U_DT_ISOLATED, /*[iso]*/ + U_DT_MEDIAL, /*[med]*/ + U_DT_NARROW, /*[nar]*/ + U_DT_NOBREAK, /*[nb]*/ + U_DT_SMALL, /*[sml]*/ + U_DT_SQUARE, /*[sqr]*/ + U_DT_SUB, /*[sub]*/ + U_DT_SUPER, /*[sup]*/ + U_DT_VERTICAL, /*[vert]*/ + U_DT_WIDE, /*[wide]*/ + U_DT_COUNT /* 18 */ +} UDecompositionType; + +/** + * Joining Type constants. + * + * @see UCHAR_JOINING_TYPE + * @stable ICU 2.2 + */ +typedef enum UJoiningType { + U_JT_NON_JOINING, /*[U]*/ /*See note !!*/ + U_JT_JOIN_CAUSING, /*[C]*/ + U_JT_DUAL_JOINING, /*[D]*/ + U_JT_LEFT_JOINING, /*[L]*/ + U_JT_RIGHT_JOINING, /*[R]*/ + U_JT_TRANSPARENT, /*[T]*/ + U_JT_COUNT /* 6 */ +} UJoiningType; + +/** + * Joining Group constants. + * + * @see UCHAR_JOINING_GROUP + * @stable ICU 2.2 + */ +typedef enum UJoiningGroup { + U_JG_NO_JOINING_GROUP, + U_JG_AIN, + U_JG_ALAPH, + U_JG_ALEF, + U_JG_BEH, + U_JG_BETH, + U_JG_DAL, + U_JG_DALATH_RISH, + U_JG_E, + U_JG_FEH, + U_JG_FINAL_SEMKATH, + U_JG_GAF, + U_JG_GAMAL, + U_JG_HAH, + U_JG_HAMZA_ON_HEH_GOAL, + U_JG_HE, + U_JG_HEH, + U_JG_HEH_GOAL, + U_JG_HETH, + U_JG_KAF, + U_JG_KAPH, + U_JG_KNOTTED_HEH, + U_JG_LAM, + U_JG_LAMADH, + U_JG_MEEM, + U_JG_MIM, + U_JG_NOON, + U_JG_NUN, + U_JG_PE, + U_JG_QAF, + U_JG_QAPH, + U_JG_REH, + U_JG_REVERSED_PE, + U_JG_SAD, + U_JG_SADHE, + U_JG_SEEN, + U_JG_SEMKATH, + U_JG_SHIN, + U_JG_SWASH_KAF, + U_JG_SYRIAC_WAW, + U_JG_TAH, + U_JG_TAW, + U_JG_TEH_MARBUTA, + U_JG_TETH, + U_JG_WAW, + U_JG_YEH, + U_JG_YEH_BARREE, + U_JG_YEH_WITH_TAIL, + U_JG_YUDH, + U_JG_YUDH_HE, + U_JG_ZAIN, + U_JG_FE, /**< @stable ICU 2.6 */ + U_JG_KHAPH, /**< @stable ICU 2.6 */ + U_JG_ZHAIN, /**< @stable ICU 2.6 */ + U_JG_COUNT +} UJoiningGroup; + +/** + * Line Break constants. + * + * @see UCHAR_LINE_BREAK + * @stable ICU 2.2 + */ +typedef enum ULineBreak { + U_LB_UNKNOWN, /*[XX]*/ /*See note !!*/ + U_LB_AMBIGUOUS, /*[AI]*/ + U_LB_ALPHABETIC, /*[AL]*/ + U_LB_BREAK_BOTH, /*[B2]*/ + U_LB_BREAK_AFTER, /*[BA]*/ + U_LB_BREAK_BEFORE, /*[BB]*/ + U_LB_MANDATORY_BREAK, /*[BK]*/ + U_LB_CONTINGENT_BREAK, /*[CB]*/ + U_LB_CLOSE_PUNCTUATION, /*[CL]*/ + U_LB_COMBINING_MARK, /*[CM]*/ + U_LB_CARRIAGE_RETURN, /*[CR]*/ + U_LB_EXCLAMATION, /*[EX]*/ + U_LB_GLUE, /*[GL]*/ + U_LB_HYPHEN, /*[HY]*/ + U_LB_IDEOGRAPHIC, /*[ID]*/ + U_LB_INSEPERABLE, + /** Renamed from the misspelled "inseperable" in Unicode 4.0.1/ICU 3.0 @draft ICU 3.0 */ + U_LB_INSEPARABLE=U_LB_INSEPERABLE,/*[IN]*/ + U_LB_INFIX_NUMERIC, /*[IS]*/ + U_LB_LINE_FEED, /*[LF]*/ + U_LB_NONSTARTER, /*[NS]*/ + U_LB_NUMERIC, /*[NU]*/ + U_LB_OPEN_PUNCTUATION, /*[OP]*/ + U_LB_POSTFIX_NUMERIC, /*[PO]*/ + U_LB_PREFIX_NUMERIC, /*[PR]*/ + U_LB_QUOTATION, /*[QU]*/ + U_LB_COMPLEX_CONTEXT, /*[SA]*/ + U_LB_SURROGATE, /*[SG]*/ + U_LB_SPACE, /*[SP]*/ + U_LB_BREAK_SYMBOLS, /*[SY]*/ + U_LB_ZWSPACE, /*[ZW]*/ + U_LB_NEXT_LINE, /*[NL]*/ /* from here on: new in Unicode 4/ICU 2.6 */ + U_LB_WORD_JOINER, /*[WJ]*/ + U_LB_COUNT +} ULineBreak; + +/** + * Numeric Type constants. + * + * @see UCHAR_NUMERIC_TYPE + * @stable ICU 2.2 + */ +typedef enum UNumericType { + U_NT_NONE, /*[None]*/ /*See note !!*/ + U_NT_DECIMAL, /*[de]*/ + U_NT_DIGIT, /*[di]*/ + U_NT_NUMERIC, /*[nu]*/ + U_NT_COUNT +} UNumericType; + +/** + * Hangul Syllable Type constants. + * + * @see UCHAR_HANGUL_SYLLABLE_TYPE + * @stable ICU 2.6 + */ +typedef enum UHangulSyllableType { + U_HST_NOT_APPLICABLE, /*[NA]*/ /*See note !!*/ + U_HST_LEADING_JAMO, /*[L]*/ + U_HST_VOWEL_JAMO, /*[V]*/ + U_HST_TRAILING_JAMO, /*[T]*/ + U_HST_LV_SYLLABLE, /*[LV]*/ + U_HST_LVT_SYLLABLE, /*[LVT]*/ + U_HST_COUNT +} UHangulSyllableType; + +/** + * Check a binary Unicode property for a code point. + * + * Unicode, especially in version 3.2, defines many more properties than the + * original set in UnicodeData.txt. + * + * The properties APIs are intended to reflect Unicode properties as defined + * in the Unicode Character Database (UCD) and Unicode Technical Reports (UTR). + * For details about the properties see http://www.unicode.org/ucd/ . + * For names of Unicode properties see the UCD file PropertyAliases.txt. + * + * Important: If ICU is built with UCD files from Unicode versions below 3.2, + * then properties marked with "new in Unicode 3.2" are not or not fully available. + * + * @param c Code point to test. + * @param which UProperty selector constant, identifies which binary property to check. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT. + * @return TRUE or FALSE according to the binary Unicode property value for c. + * Also FALSE if 'which' is out of bounds or if the Unicode version + * does not have data for the property at all, or not for this code point. + * + * @see UProperty + * @see u_getIntPropertyValue + * @see u_getUnicodeVersion + * @stable ICU 2.1 + */ +U_STABLE UBool U_EXPORT2 +u_hasBinaryProperty(UChar32 c, UProperty which); + +/** + * Check if a code point has the Alphabetic Unicode property. + * Same as u_hasBinaryProperty(c, UCHAR_ALPHABETIC). + * This is different from u_isalpha! + * @param c Code point to test + * @return true if the code point has the Alphabetic Unicode property, false otherwise + * + * @see UCHAR_ALPHABETIC + * @see u_isalpha + * @see u_hasBinaryProperty + * @stable ICU 2.1 + */ +U_STABLE UBool U_EXPORT2 +u_isUAlphabetic(UChar32 c); + +/** + * Check if a code point has the Lowercase Unicode property. + * Same as u_hasBinaryProperty(c, UCHAR_LOWERCASE). + * This is different from u_islower! + * @param c Code point to test + * @return true if the code point has the Lowercase Unicode property, false otherwise + * + * @see UCHAR_LOWERCASE + * @see u_islower + * @see u_hasBinaryProperty + * @stable ICU 2.1 + */ +U_STABLE UBool U_EXPORT2 +u_isULowercase(UChar32 c); + +/** + * Check if a code point has the Uppercase Unicode property. + * Same as u_hasBinaryProperty(c, UCHAR_UPPERCASE). + * This is different from u_isupper! + * @param c Code point to test + * @return true if the code point has the Uppercase Unicode property, false otherwise + * + * @see UCHAR_UPPERCASE + * @see u_isupper + * @see u_hasBinaryProperty + * @stable ICU 2.1 + */ +U_STABLE UBool U_EXPORT2 +u_isUUppercase(UChar32 c); + +/** + * Check if a code point has the White_Space Unicode property. + * Same as u_hasBinaryProperty(c, UCHAR_WHITE_SPACE). + * This is different from both u_isspace and u_isWhitespace! + * + * Note: There are several ICU whitespace functions; please see the uchar.h + * file documentation for a detailed comparison. + * + * @param c Code point to test + * @return true if the code point has the White_Space Unicode property, false otherwise. + * + * @see UCHAR_WHITE_SPACE + * @see u_isWhitespace + * @see u_isspace + * @see u_isJavaSpaceChar + * @see u_hasBinaryProperty + * @stable ICU 2.1 + */ +U_STABLE UBool U_EXPORT2 +u_isUWhiteSpace(UChar32 c); + +/** + * Get the property value for an enumerated or integer Unicode property for a code point. + * Also returns binary and mask property values. + * + * Unicode, especially in version 3.2, defines many more properties than the + * original set in UnicodeData.txt. + * + * The properties APIs are intended to reflect Unicode properties as defined + * in the Unicode Character Database (UCD) and Unicode Technical Reports (UTR). + * For details about the properties see http://www.unicode.org/ . + * For names of Unicode properties see the UCD file PropertyAliases.txt. + * + * Sample usage: + * UEastAsianWidth ea=(UEastAsianWidth)u_getIntPropertyValue(c, UCHAR_EAST_ASIAN_WIDTH); + * UBool b=(UBool)u_getIntPropertyValue(c, UCHAR_IDEOGRAPHIC); + * + * @param c Code point to test. + * @param which UProperty selector constant, identifies which property to check. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT + * or UCHAR_INT_START<=which<UCHAR_INT_LIMIT + * or UCHAR_MASK_START<=which<UCHAR_MASK_LIMIT. + * @return Numeric value that is directly the property value or, + * for enumerated properties, corresponds to the numeric value of the enumerated + * constant of the respective property value enumeration type + * (cast to enum type if necessary). + * Returns 0 or 1 (for FALSE/TRUE) for binary Unicode properties. + * Returns a bit-mask for mask properties. + * Returns 0 if 'which' is out of bounds or if the Unicode version + * does not have data for the property at all, or not for this code point. + * + * @see UProperty + * @see u_hasBinaryProperty + * @see u_getIntPropertyMinValue + * @see u_getIntPropertyMaxValue + * @see u_getUnicodeVersion + * @stable ICU 2.2 + */ +U_STABLE int32_t U_EXPORT2 +u_getIntPropertyValue(UChar32 c, UProperty which); + +/** + * Get the minimum value for an enumerated/integer/binary Unicode property. + * Can be used together with u_getIntPropertyMaxValue + * to allocate arrays of UnicodeSet or similar. + * + * @param which UProperty selector constant, identifies which binary property to check. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT + * or UCHAR_INT_START<=which<UCHAR_INT_LIMIT. + * @return Minimum value returned by u_getIntPropertyValue for a Unicode property. + * 0 if the property selector is out of range. + * + * @see UProperty + * @see u_hasBinaryProperty + * @see u_getUnicodeVersion + * @see u_getIntPropertyMaxValue + * @see u_getIntPropertyValue + * @stable ICU 2.2 + */ +U_STABLE int32_t U_EXPORT2 +u_getIntPropertyMinValue(UProperty which); + +/** + * Get the maximum value for an enumerated/integer/binary Unicode property. + * Can be used together with u_getIntPropertyMinValue + * to allocate arrays of UnicodeSet or similar. + * + * Examples for min/max values (for Unicode 3.2): + * + * - UCHAR_BIDI_CLASS: 0/18 (U_LEFT_TO_RIGHT/U_BOUNDARY_NEUTRAL) + * - UCHAR_SCRIPT: 0/45 (USCRIPT_COMMON/USCRIPT_TAGBANWA) + * - UCHAR_IDEOGRAPHIC: 0/1 (FALSE/TRUE) + * + * For undefined UProperty constant values, min/max values will be 0/-1. + * + * @param which UProperty selector constant, identifies which binary property to check. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT + * or UCHAR_INT_START<=which<UCHAR_INT_LIMIT. + * @return Maximum value returned by u_getIntPropertyValue for a Unicode property. + * <=0 if the property selector is out of range. + * + * @see UProperty + * @see u_hasBinaryProperty + * @see u_getUnicodeVersion + * @see u_getIntPropertyMaxValue + * @see u_getIntPropertyValue + * @stable ICU 2.2 + */ +U_STABLE int32_t U_EXPORT2 +u_getIntPropertyMaxValue(UProperty which); + +/** + * Get the numeric value for a Unicode code point as defined in the + * Unicode Character Database. + * + * A "double" return type is necessary because + * some numeric values are fractions, negative, or too large for int32_t. + * + * For characters without any numeric values in the Unicode Character Database, + * this function will return U_NO_NUMERIC_VALUE. + * + * Similar to java.lang.Character.getNumericValue(), but u_getNumericValue() + * also supports negative values, large values, and fractions, + * while Java's getNumericValue() returns values 10..35 for ASCII letters. + * + * @param c Code point to get the numeric value for. + * @return Numeric value of c, or U_NO_NUMERIC_VALUE if none is defined. + * + * @see U_NO_NUMERIC_VALUE + * @stable ICU 2.2 + */ +U_STABLE double U_EXPORT2 +u_getNumericValue(UChar32 c); + +/** + * Special value that is returned by u_getNumericValue when + * no numeric value is defined for a code point. + * + * @see u_getNumericValue + * @stable ICU 2.2 + */ +#define U_NO_NUMERIC_VALUE ((double)-123456789.) + +/** + * Determines whether the specified code point has the general category "Ll" + * (lowercase letter). + * + * Same as java.lang.Character.isLowerCase(). + * + * This misses some characters that are also lowercase but + * have a different general category value. + * In order to include those, use UCHAR_LOWERCASE. + * + * In addition to being equivalent to a Java function, this also serves + * as a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is an Ll lowercase letter + * + * @see UCHAR_LOWERCASE + * @see u_isupper + * @see u_istitle + * @see u_islower + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_islower(UChar32 c); + +/** + * Determines whether the specified code point has the general category "Lu" + * (uppercase letter). + * + * Same as java.lang.Character.isUpperCase(). + * + * This misses some characters that are also uppercase but + * have a different general category value. + * In order to include those, use UCHAR_UPPERCASE. + * + * In addition to being equivalent to a Java function, this also serves + * as a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is an Lu uppercase letter + * + * @see UCHAR_UPPERCASE + * @see u_islower + * @see u_istitle + * @see u_tolower + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isupper(UChar32 c); + +/** + * Determines whether the specified code point is a titlecase letter. + * True for general category "Lt" (titlecase letter). + * + * Same as java.lang.Character.isTitleCase(). + * + * @param c the code point to be tested + * @return TRUE if the code point is an Lt titlecase letter + * + * @see u_isupper + * @see u_islower + * @see u_totitle + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_istitle(UChar32 c); + +/** + * Determines whether the specified code point is a digit character according to Java. + * True for characters with general category "Nd" (decimal digit numbers). + * Beginning with Unicode 4, this is the same as + * testing for the Numeric_Type of Decimal. + * + * Same as java.lang.Character.isDigit(). + * + * In addition to being equivalent to a Java function, this also serves + * as a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a digit character according to Character.isDigit() + * + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isdigit(UChar32 c); + +/** + * Determines whether the specified code point is a letter character. + * True for general categories "L" (letters). + * + * Same as java.lang.Character.isLetter(). + * + * In addition to being equivalent to a Java function, this also serves + * as a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a letter character + * + * @see u_isdigit + * @see u_isalnum + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isalpha(UChar32 c); + +/** + * Determines whether the specified code point is an alphanumeric character + * (letter or digit) according to Java. + * True for characters with general categories + * "L" (letters) and "Nd" (decimal digit numbers). + * + * Same as java.lang.Character.isLetterOrDigit(). + * + * In addition to being equivalent to a Java function, this also serves + * as a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is an alphanumeric character according to Character.isLetterOrDigit() + * + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isalnum(UChar32 c); + +/** + * Determines whether the specified code point is a hexadecimal digit. + * This is equivalent to u_digit(c, 16)>=0. + * True for characters with general category "Nd" (decimal digit numbers) + * as well as Latin letters a-f and A-F in both ASCII and Fullwidth ASCII. + * (That is, for letters with code points + * 0041..0046, 0061..0066, FF21..FF26, FF41..FF46.) + * + * In order to narrow the definition of hexadecimal digits to only ASCII + * characters, use (c<=0x7f && u_isxdigit(c)). + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a hexadecimal digit + * + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_isxdigit(UChar32 c); + +/** + * Determines whether the specified code point is a punctuation character. + * True for characters with general categories "P" (punctuation). + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a punctuation character + * + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_ispunct(UChar32 c); + +/** + * Determines whether the specified code point is a "graphic" character + * (printable, excluding spaces). + * TRUE for all characters except those with general categories + * "Cc" (control codes), "Cf" (format controls), "Cs" (surrogates), + * "Cn" (unassigned), and "Z" (separators). + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a "graphic" character + * + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_isgraph(UChar32 c); + +/** + * Determines whether the specified code point is a "blank" or "horizontal space", + * a character that visibly separates words on a line. + * The following are equivalent definitions: + * + * TRUE for Unicode White_Space characters except for "vertical space controls" + * where "vertical space controls" are the following characters: + * U+000A (LF) U+000B (VT) U+000C (FF) U+000D (CR) U+0085 (NEL) U+2028 (LS) U+2029 (PS) + * + * same as + * + * TRUE for U+0009 (TAB) and characters with general category "Zs" (space separators) + * except Zero Width Space (ZWSP, U+200B). + * + * Note: There are several ICU whitespace functions; please see the uchar.h + * file documentation for a detailed comparison. + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a "blank" + * + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_isblank(UChar32 c); + +/** + * Determines whether the specified code point is "defined", + * which usually means that it is assigned a character. + * True for general categories other than "Cn" (other, not assigned), + * i.e., true for all code points mentioned in UnicodeData.txt. + * + * Note that non-character code points (e.g., U+FDD0) are not "defined" + * (they are Cn), but surrogate code points are "defined" (Cs). + * + * Same as java.lang.Character.isDefined(). + * + * @param c the code point to be tested + * @return TRUE if the code point is assigned a character + * + * @see u_isdigit + * @see u_isalpha + * @see u_isalnum + * @see u_isupper + * @see u_islower + * @see u_istitle + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isdefined(UChar32 c); + +/** + * Determines if the specified character is a space character or not. + * + * Note: There are several ICU whitespace functions; please see the uchar.h + * file documentation for a detailed comparison. + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the character to be tested + * @return true if the character is a space character; false otherwise. + * + * @see u_isJavaSpaceChar + * @see u_isWhitespace + * @see u_isUWhiteSpace + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isspace(UChar32 c); + +/** + * Determine if the specified code point is a space character according to Java. + * True for characters with general categories "Z" (separators), + * which does not include control codes (e.g., TAB or Line Feed). + * + * Same as java.lang.Character.isSpaceChar(). + * + * Note: There are several ICU whitespace functions; please see the uchar.h + * file documentation for a detailed comparison. + * + * @param c the code point to be tested + * @return TRUE if the code point is a space character according to Character.isSpaceChar() + * + * @see u_isspace + * @see u_isWhitespace + * @see u_isUWhiteSpace + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_isJavaSpaceChar(UChar32 c); + +/** + * Determines if the specified code point is a whitespace character according to Java/ICU. + * A character is considered to be a Java whitespace character if and only + * if it satisfies one of the following criteria: + * + * - It is a Unicode separator (categories "Z"), but is not + * a no-break space (U+00A0 NBSP or U+2007 Figure Space or U+202F Narrow NBSP). + * - It is U+0009 HORIZONTAL TABULATION. + * - It is U+000A LINE FEED. + * - It is U+000B VERTICAL TABULATION. + * - It is U+000C FORM FEED. + * - It is U+000D CARRIAGE RETURN. + * - It is U+001C FILE SEPARATOR. + * - It is U+001D GROUP SEPARATOR. + * - It is U+001E RECORD SEPARATOR. + * - It is U+001F UNIT SEPARATOR. + * - It is U+0085 NEXT LINE. + * + * Same as java.lang.Character.isWhitespace() except that Java omits U+0085. + * + * Note: There are several ICU whitespace functions; please see the uchar.h + * file documentation for a detailed comparison. + * + * @param c the code point to be tested + * @return TRUE if the code point is a whitespace character according to Java/ICU + * + * @see u_isspace + * @see u_isJavaSpaceChar + * @see u_isUWhiteSpace + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isWhitespace(UChar32 c); + +/** + * Determines whether the specified code point is a control character + * (as defined by this function). + * A control character is one of the following: + * - ISO 8-bit control character (U+0000..U+001f and U+007f..U+009f) + * - U_CONTROL_CHAR (Cc) + * - U_FORMAT_CHAR (Cf) + * - U_LINE_SEPARATOR (Zl) + * - U_PARAGRAPH_SEPARATOR (Zp) + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a control character + * + * @see UCHAR_DEFAULT_IGNORABLE_CODE_POINT + * @see u_isprint + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_iscntrl(UChar32 c); + +/** + * Determines whether the specified code point is an ISO control code. + * True for U+0000..U+001f and U+007f..U+009f (general category "Cc"). + * + * Same as java.lang.Character.isISOControl(). + * + * @param c the code point to be tested + * @return TRUE if the code point is an ISO control code + * + * @see u_iscntrl + * @stable ICU 2.6 + */ +U_STABLE UBool U_EXPORT2 +u_isISOControl(UChar32 c); + +/** + * Determines whether the specified code point is a printable character. + * True for general categories <em>other</em> than "C" (controls). + * + * This is a C/POSIX migration function. + * See the comments about C/POSIX character classification functions in the + * documentation at the top of this header file. + * + * @param c the code point to be tested + * @return TRUE if the code point is a printable character + * + * @see UCHAR_DEFAULT_IGNORABLE_CODE_POINT + * @see u_iscntrl + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isprint(UChar32 c); + +/** + * Determines whether the specified code point is a base character. + * True for general categories "L" (letters), "N" (numbers), + * "Mc" (spacing combining marks), and "Me" (enclosing marks). + * + * Note that this is different from the Unicode definition in + * chapter 3.5, conformance clause D13, + * which defines base characters to be all characters (not Cn) + * that do not graphically combine with preceding characters (M) + * and that are neither control (Cc) or format (Cf) characters. + * + * @param c the code point to be tested + * @return TRUE if the code point is a base character according to this function + * + * @see u_isalpha + * @see u_isdigit + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isbase(UChar32 c); + +/** + * Returns the bidirectional category value for the code point, + * which is used in the Unicode bidirectional algorithm + * (UAX #9 http://www.unicode.org/reports/tr9/). + * Note that some <em>unassigned</em> code points have bidi values + * of R or AL because they are in blocks that are reserved + * for Right-To-Left scripts. + * + * Same as java.lang.Character.getDirectionality() + * + * @param c the code point to be tested + * @return the bidirectional category (UCharDirection) value + * + * @see UCharDirection + * @stable ICU 2.0 + */ +U_STABLE UCharDirection U_EXPORT2 +u_charDirection(UChar32 c); + +/** + * Determines whether the code point has the Bidi_Mirrored property. + * This property is set for characters that are commonly used in + * Right-To-Left contexts and need to be displayed with a "mirrored" + * glyph. + * + * Same as java.lang.Character.isMirrored(). + * Same as UCHAR_BIDI_MIRRORED + * + * @param c the code point to be tested + * @return TRUE if the character has the Bidi_Mirrored property + * + * @see UCHAR_BIDI_MIRRORED + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isMirrored(UChar32 c); + +/** + * Maps the specified character to a "mirror-image" character. + * For characters with the Bidi_Mirrored property, implementations + * sometimes need a "poor man's" mapping to another Unicode + * character (code point) such that the default glyph may serve + * as the mirror-image of the default glyph of the specified + * character. This is useful for text conversion to and from + * codepages with visual order, and for displays without glyph + * selecetion capabilities. + * + * @param c the code point to be mapped + * @return another Unicode code point that may serve as a mirror-image + * substitute, or c itself if there is no such mapping or c + * does not have the Bidi_Mirrored property + * + * @see UCHAR_BIDI_MIRRORED + * @see u_isMirrored + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_charMirror(UChar32 c); + +/** + * Returns the general category value for the code point. + * + * Same as java.lang.Character.getType(). + * + * @param c the code point to be tested + * @return the general category (UCharCategory) value + * + * @see UCharCategory + * @stable ICU 2.0 + */ +U_STABLE int8_t U_EXPORT2 +u_charType(UChar32 c); + +/** + * Get a single-bit bit set for the general category of a character. + * This bit set can be compared bitwise with U_GC_SM_MASK, U_GC_L_MASK, etc. + * Same as U_MASK(u_charType(c)). + * + * @param c the code point to be tested + * @return a single-bit mask corresponding to the general category (UCharCategory) value + * + * @see u_charType + * @see UCharCategory + * @see U_GC_CN_MASK + * @stable ICU 2.1 + */ +#define U_GET_GC_MASK(c) U_MASK(u_charType(c)) + +/** + * Callback from u_enumCharTypes(), is called for each contiguous range + * of code points c (where start<=c<limit) + * with the same Unicode general category ("character type"). + * + * The callback function can stop the enumeration by returning FALSE. + * + * @param context an opaque pointer, as passed into utrie_enum() + * @param start the first code point in a contiguous range with value + * @param limit one past the last code point in a contiguous range with value + * @param type the general category for all code points in [start..limit[ + * @return FALSE to stop the enumeration + * + * @stable ICU 2.1 + * @see UCharCategory + * @see u_enumCharTypes + */ +typedef UBool U_CALLCONV +UCharEnumTypeRange(const void *context, UChar32 start, UChar32 limit, UCharCategory type); + +/** + * Enumerate efficiently all code points with their Unicode general categories. + * + * This is useful for building data structures (e.g., UnicodeSet's), + * for enumerating all assigned code points (type!=U_UNASSIGNED), etc. + * + * For each contiguous range of code points with a given general category ("character type"), + * the UCharEnumTypeRange function is called. + * Adjacent ranges have different types. + * The Unicode Standard guarantees that the numeric value of the type is 0..31. + * + * @param enumRange a pointer to a function that is called for each contiguous range + * of code points with the same general category + * @param context an opaque pointer that is passed on to the callback function + * + * @stable ICU 2.1 + * @see UCharCategory + * @see UCharEnumTypeRange + */ +U_STABLE void U_EXPORT2 +u_enumCharTypes(UCharEnumTypeRange *enumRange, const void *context); + +#if !UCONFIG_NO_NORMALIZATION + +/** + * Returns the combining class of the code point as specified in UnicodeData.txt. + * + * @param c the code point of the character + * @return the combining class of the character + * @stable ICU 2.0 + */ +U_STABLE uint8_t U_EXPORT2 +u_getCombiningClass(UChar32 c); + +#endif + +/** + * Returns the decimal digit value of a decimal digit character. + * Such characters have the general category "Nd" (decimal digit numbers) + * and a Numeric_Type of Decimal. + * + * Unlike ICU releases before 2.6, no digit values are returned for any + * Han characters because Han number characters are often used with a special + * Chinese-style number format (with characters for powers of 10 in between) + * instead of in decimal-positional notation. + * Unicode 4 explicitly assigns Han number characters the Numeric_Type + * Numeric instead of Decimal. + * See Jitterbug 1483 for more details. + * + * Use u_getIntPropertyValue(c, UCHAR_NUMERIC_TYPE) and u_getNumericValue() + * for complete numeric Unicode properties. + * + * @param c the code point for which to get the decimal digit value + * @return the decimal digit value of c, + * or -1 if c is not a decimal digit character + * + * @see u_getNumericValue + * @stable ICU 2.0 + */ +U_STABLE int32_t U_EXPORT2 +u_charDigitValue(UChar32 c); + +/** + * Returns the Unicode allocation block that contains the character. + * + * @param c the code point to be tested + * @return the block value (UBlockCode) for c + * + * @see UBlockCode + * @stable ICU 2.0 + */ +U_STABLE UBlockCode U_EXPORT2 +ublock_getCode(UChar32 c); + +/** + * Retrieve the name of a Unicode character. + * Depending on <code>nameChoice</code>, the character name written + * into the buffer is the "modern" name or the name that was defined + * in Unicode version 1.0. + * The name contains only "invariant" characters + * like A-Z, 0-9, space, and '-'. + * Unicode 1.0 names are only retrieved if they are different from the modern + * names and if the data file contains the data for them. gennames may or may + * not be called with a command line option to include 1.0 names in unames.dat. + * + * @param code The character (code point) for which to get the name. + * It must be <code>0<=code<=0x10ffff</code>. + * @param nameChoice Selector for which name to get. + * @param buffer Destination address for copying the name. + * The name will always be zero-terminated. + * If there is no name, then the buffer will be set to the empty string. + * @param bufferLength <code>==sizeof(buffer)</code> + * @param pErrorCode Pointer to a UErrorCode variable; + * check for <code>U_SUCCESS()</code> after <code>u_charName()</code> + * returns. + * @return The length of the name, or 0 if there is no name for this character. + * If the bufferLength is less than or equal to the length, then the buffer + * contains the truncated name and the returned length indicates the full + * length of the name. + * The length does not include the zero-termination. + * + * @see UCharNameChoice + * @see u_charFromName + * @see u_enumCharNames + * @stable ICU 2.0 + */ +U_STABLE int32_t U_EXPORT2 +u_charName(UChar32 code, UCharNameChoice nameChoice, + char *buffer, int32_t bufferLength, + UErrorCode *pErrorCode); + +/** + * Get the ISO 10646 comment for a character. + * The ISO 10646 comment is an informative field in the Unicode Character + * Database (UnicodeData.txt field 11) and is from the ISO 10646 names list. + * + * @param c The character (code point) for which to get the ISO comment. + * It must be <code>0<=c<=0x10ffff</code>. + * @param dest Destination address for copying the comment. + * The comment will be zero-terminated if possible. + * If there is no comment, then the buffer will be set to the empty string. + * @param destCapacity <code>==sizeof(dest)</code> + * @param pErrorCode Pointer to a UErrorCode variable; + * check for <code>U_SUCCESS()</code> after <code>u_getISOComment()</code> + * returns. + * @return The length of the comment, or 0 if there is no comment for this character. + * If the destCapacity is less than or equal to the length, then the buffer + * contains the truncated name and the returned length indicates the full + * length of the name. + * The length does not include the zero-termination. + * + * @stable ICU 2.2 + */ +U_STABLE int32_t U_EXPORT2 +u_getISOComment(UChar32 c, + char *dest, int32_t destCapacity, + UErrorCode *pErrorCode); + +/** + * Find a Unicode character by its name and return its code point value. + * The name is matched exactly and completely. + * If the name does not correspond to a code point, <i>pErrorCode</i> + * is set to <code>U_INVALID_CHAR_FOUND</code>. + * A Unicode 1.0 name is matched only if it differs from the modern name. + * Unicode names are all uppercase. Extended names are lowercase followed + * by an uppercase hexadecimal number, and within angle brackets. + * + * @param nameChoice Selector for which name to match. + * @param name The name to match. + * @param pErrorCode Pointer to a UErrorCode variable + * @return The Unicode value of the code point with the given name, + * or an undefined value if there is no such code point. + * + * @see UCharNameChoice + * @see u_charName + * @see u_enumCharNames + * @stable ICU 1.7 + */ +U_STABLE UChar32 U_EXPORT2 +u_charFromName(UCharNameChoice nameChoice, + const char *name, + UErrorCode *pErrorCode); + +/** + * Type of a callback function for u_enumCharNames() that gets called + * for each Unicode character with the code point value and + * the character name. + * If such a function returns FALSE, then the enumeration is stopped. + * + * @param context The context pointer that was passed to u_enumCharNames(). + * @param code The Unicode code point for the character with this name. + * @param nameChoice Selector for which kind of names is enumerated. + * @param name The character's name, zero-terminated. + * @param length The length of the name. + * @return TRUE if the enumeration should continue, FALSE to stop it. + * + * @see UCharNameChoice + * @see u_enumCharNames + * @stable ICU 1.7 + */ +typedef UBool UEnumCharNamesFn(void *context, + UChar32 code, + UCharNameChoice nameChoice, + const char *name, + int32_t length); + +/** + * Enumerate all assigned Unicode characters between the start and limit + * code points (start inclusive, limit exclusive) and call a function + * for each, passing the code point value and the character name. + * For Unicode 1.0 names, only those are enumerated that differ from the + * modern names. + * + * @param start The first code point in the enumeration range. + * @param limit One more than the last code point in the enumeration range + * (the first one after the range). + * @param fn The function that is to be called for each character name. + * @param context An arbitrary pointer that is passed to the function. + * @param nameChoice Selector for which kind of names to enumerate. + * @param pErrorCode Pointer to a UErrorCode variable + * + * @see UCharNameChoice + * @see UEnumCharNamesFn + * @see u_charName + * @see u_charFromName + * @stable ICU 1.7 + */ +U_STABLE void U_EXPORT2 +u_enumCharNames(UChar32 start, UChar32 limit, + UEnumCharNamesFn *fn, + void *context, + UCharNameChoice nameChoice, + UErrorCode *pErrorCode); + +/** + * Return the Unicode name for a given property, as given in the + * Unicode database file PropertyAliases.txt. + * + * In addition, this function maps the property + * UCHAR_GENERAL_CATEGORY_MASK to the synthetic names "gcm" / + * "General_Category_Mask". These names are not in + * PropertyAliases.txt. + * + * @param property UProperty selector other than UCHAR_INVALID_CODE. + * If out of range, NULL is returned. + * + * @param nameChoice selector for which name to get. If out of range, + * NULL is returned. All properties have a long name. Most + * have a short name, but some do not. Unicode allows for + * additional names; if present these will be returned by + * U_LONG_PROPERTY_NAME + i, where i=1, 2,... + * + * @return a pointer to the name, or NULL if either the + * property or the nameChoice is out of range. If a given + * nameChoice returns NULL, then all larger values of + * nameChoice will return NULL, with one exception: if NULL is + * returned for U_SHORT_PROPERTY_NAME, then + * U_LONG_PROPERTY_NAME (and higher) may still return a + * non-NULL value. The returned pointer is valid until + * u_cleanup() is called. + * + * @see UProperty + * @see UPropertyNameChoice + * @stable ICU 2.4 + */ +U_STABLE const char* U_EXPORT2 +u_getPropertyName(UProperty property, + UPropertyNameChoice nameChoice); + +/** + * Return the UProperty enum for a given property name, as specified + * in the Unicode database file PropertyAliases.txt. Short, long, and + * any other variants are recognized. + * + * In addition, this function maps the synthetic names "gcm" / + * "General_Category_Mask" to the property + * UCHAR_GENERAL_CATEGORY_MASK. These names are not in + * PropertyAliases.txt. + * + * @param alias the property name to be matched. The name is compared + * using "loose matching" as described in PropertyAliases.txt. + * + * @return a UProperty enum, or UCHAR_INVALID_CODE if the given name + * does not match any property. + * + * @see UProperty + * @stable ICU 2.4 + */ +U_STABLE UProperty U_EXPORT2 +u_getPropertyEnum(const char* alias); + +/** + * Return the Unicode name for a given property value, as given in the + * Unicode database file PropertyValueAliases.txt. + * + * Note: Some of the names in PropertyValueAliases.txt can only be + * retrieved using UCHAR_GENERAL_CATEGORY_MASK, not + * UCHAR_GENERAL_CATEGORY. These include: "C" / "Other", "L" / + * "Letter", "LC" / "Cased_Letter", "M" / "Mark", "N" / "Number", "P" + * / "Punctuation", "S" / "Symbol", and "Z" / "Separator". + * + * @param property UProperty selector constant. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT + * or UCHAR_INT_START<=which<UCHAR_INT_LIMIT + * or UCHAR_MASK_START<=which<UCHAR_MASK_LIMIT. + * If out of range, NULL is returned. + * + * @param value selector for a value for the given property. If out + * of range, NULL is returned. In general, valid values range + * from 0 up to some maximum. There are a few exceptions: + * (1.) UCHAR_BLOCK values begin at the non-zero value + * UBLOCK_BASIC_LATIN. (2.) UCHAR_CANONICAL_COMBINING_CLASS + * values are not contiguous and range from 0..240. (3.) + * UCHAR_GENERAL_CATEGORY_MASK values are not values of + * UCharCategory, but rather mask values produced by + * U_GET_GC_MASK(). This allows grouped categories such as + * [:L:] to be represented. Mask values range + * non-contiguously from 1..U_GC_P_MASK. + * + * @param nameChoice selector for which name to get. If out of range, + * NULL is returned. All values have a long name. Most have + * a short name, but some do not. Unicode allows for + * additional names; if present these will be returned by + * U_LONG_PROPERTY_NAME + i, where i=1, 2,... + + * @return a pointer to the name, or NULL if either the + * property or the nameChoice is out of range. If a given + * nameChoice returns NULL, then all larger values of + * nameChoice will return NULL, with one exception: if NULL is + * returned for U_SHORT_PROPERTY_NAME, then + * U_LONG_PROPERTY_NAME (and higher) may still return a + * non-NULL value. The returned pointer is valid until + * u_cleanup() is called. + * + * @see UProperty + * @see UPropertyNameChoice + * @stable ICU 2.4 + */ +U_STABLE const char* U_EXPORT2 +u_getPropertyValueName(UProperty property, + int32_t value, + UPropertyNameChoice nameChoice); + +/** + * Return the property value integer for a given value name, as + * specified in the Unicode database file PropertyValueAliases.txt. + * Short, long, and any other variants are recognized. + * + * Note: Some of the names in PropertyValueAliases.txt will only be + * recognized with UCHAR_GENERAL_CATEGORY_MASK, not + * UCHAR_GENERAL_CATEGORY. These include: "C" / "Other", "L" / + * "Letter", "LC" / "Cased_Letter", "M" / "Mark", "N" / "Number", "P" + * / "Punctuation", "S" / "Symbol", and "Z" / "Separator". + * + * @param property UProperty selector constant. + * Must be UCHAR_BINARY_START<=which<UCHAR_BINARY_LIMIT + * or UCHAR_INT_START<=which<UCHAR_INT_LIMIT + * or UCHAR_MASK_START<=which<UCHAR_MASK_LIMIT. + * If out of range, UCHAR_INVALID_CODE is returned. + * + * @param alias the value name to be matched. The name is compared + * using "loose matching" as described in + * PropertyValueAliases.txt. + * + * @return a value integer or UCHAR_INVALID_CODE if the given name + * does not match any value of the given property, or if the + * property is invalid. Note: U CHAR_GENERAL_CATEGORY values + * are not values of UCharCategory, but rather mask values + * produced by U_GET_GC_MASK(). This allows grouped + * categories such as [:L:] to be represented. + * + * @see UProperty + * @stable ICU 2.4 + */ +U_STABLE int32_t U_EXPORT2 +u_getPropertyValueEnum(UProperty property, + const char* alias); + +/** + * Determines if the specified character is permissible as the + * first character in an identifier according to Unicode + * (The Unicode Standard, Version 3.0, chapter 5.16 Identifiers). + * True for characters with general categories "L" (letters) and "Nl" (letter numbers). + * + * Same as java.lang.Character.isUnicodeIdentifierStart(). + * Same as UCHAR_ID_START + * + * @param c the code point to be tested + * @return TRUE if the code point may start an identifier + * + * @see UCHAR_ID_START + * @see u_isalpha + * @see u_isIDPart + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isIDStart(UChar32 c); + +/** + * Determines if the specified character is permissible + * in an identifier according to Java. + * True for characters with general categories "L" (letters), + * "Nl" (letter numbers), "Nd" (decimal digits), + * "Mc" and "Mn" (combining marks), "Pc" (connecting punctuation), and + * u_isIDIgnorable(c). + * + * Same as java.lang.Character.isUnicodeIdentifierPart(). + * Almost the same as Unicode's ID_Continue (UCHAR_ID_CONTINUE) + * except that Unicode recommends to ignore Cf which is less than + * u_isIDIgnorable(c). + * + * @param c the code point to be tested + * @return TRUE if the code point may occur in an identifier according to Java + * + * @see UCHAR_ID_CONTINUE + * @see u_isIDStart + * @see u_isIDIgnorable + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isIDPart(UChar32 c); + +/** + * Determines if the specified character should be regarded + * as an ignorable character in an identifier, + * according to Java. + * True for characters with general category "Cf" (format controls) as well as + * non-whitespace ISO controls + * (U+0000..U+0008, U+000E..U+001B, U+007F..U+0084, U+0086..U+009F). + * + * Same as java.lang.Character.isIdentifierIgnorable() + * except that Java also returns TRUE for U+0085 Next Line + * (it omits U+0085 from whitespace ISO controls). + * + * Note that Unicode just recommends to ignore Cf (format controls). + * + * @param c the code point to be tested + * @return TRUE if the code point is ignorable in identifiers according to Java + * + * @see UCHAR_DEFAULT_IGNORABLE_CODE_POINT + * @see u_isIDStart + * @see u_isIDPart + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isIDIgnorable(UChar32 c); + +/** + * Determines if the specified character is permissible as the + * first character in a Java identifier. + * In addition to u_isIDStart(c), true for characters with + * general categories "Sc" (currency symbols) and "Pc" (connecting punctuation). + * + * Same as java.lang.Character.isJavaIdentifierStart(). + * + * @param c the code point to be tested + * @return TRUE if the code point may start a Java identifier + * + * @see u_isJavaIDPart + * @see u_isalpha + * @see u_isIDStart + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isJavaIDStart(UChar32 c); + +/** + * Determines if the specified character is permissible + * in a Java identifier. + * In addition to u_isIDPart(c), true for characters with + * general category "Sc" (currency symbols). + * + * Same as java.lang.Character.isJavaIdentifierPart(). + * + * @param c the code point to be tested + * @return TRUE if the code point may occur in a Java identifier + * + * @see u_isIDIgnorable + * @see u_isJavaIDStart + * @see u_isalpha + * @see u_isdigit + * @see u_isIDPart + * @stable ICU 2.0 + */ +U_STABLE UBool U_EXPORT2 +u_isJavaIDPart(UChar32 c); + +/** + * The given character is mapped to its lowercase equivalent according to + * UnicodeData.txt; if the character has no lowercase equivalent, the character + * itself is returned. + * + * Same as java.lang.Character.toLowerCase(). + * + * This function only returns the simple, single-code point case mapping. + * Full case mappings may result in zero, one or more code points and depend + * on context or language etc. + * Full case mappings are applied by the string case mapping functions, + * see ustring.h and the UnicodeString class. + * + * @param c the code point to be mapped + * @return the Simple_Lowercase_Mapping of the code point, if any; + * otherwise the code point itself. + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_tolower(UChar32 c); + +/** + * The given character is mapped to its uppercase equivalent according to UnicodeData.txt; + * if the character has no uppercase equivalent, the character itself is + * returned. + * + * Same as java.lang.Character.toUpperCase(). + * + * This function only returns the simple, single-code point case mapping. + * Full case mappings may result in zero, one or more code points and depend + * on context or language etc. + * Full case mappings are applied by the string case mapping functions, + * see ustring.h and the UnicodeString class. + * + * @param c the code point to be mapped + * @return the Simple_Uppercase_Mapping of the code point, if any; + * otherwise the code point itself. + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_toupper(UChar32 c); + +/** + * The given character is mapped to its titlecase equivalent + * according to UnicodeData.txt; + * if none is defined, the character itself is returned. + * + * Same as java.lang.Character.toTitleCase(). + * + * This function only returns the simple, single-code point case mapping. + * Full case mappings may result in zero, one or more code points and depend + * on context or language etc. + * Full case mappings are applied by the string case mapping functions, + * see ustring.h and the UnicodeString class. + * + * @param c the code point to be mapped + * @return the Simple_Titlecase_Mapping of the code point, if any; + * otherwise the code point itself. + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_totitle(UChar32 c); + +/** Option value for case folding: use default mappings defined in CaseFolding.txt. @stable ICU 2.0 */ +#define U_FOLD_CASE_DEFAULT 0 + +/** + * Option value for case folding: + * + * Use the modified set of mappings provided in CaseFolding.txt to handle dotted I + * and dotless i appropriately for Turkic languages (tr, az). + * + * Before Unicode 3.2, CaseFolding.txt contains mappings marked with 'I' that + * are to be included for default mappings and + * excluded for the Turkic-specific mappings. + * + * Unicode 3.2 CaseFolding.txt instead contains mappings marked with 'T' that + * are to be excluded for default mappings and + * included for the Turkic-specific mappings. + * + * @stable ICU 2.0 + */ +#define U_FOLD_CASE_EXCLUDE_SPECIAL_I 1 + +/** + * The given character is mapped to its case folding equivalent according to + * UnicodeData.txt and CaseFolding.txt; + * if the character has no case folding equivalent, the character + * itself is returned. + * + * This function only returns the simple, single-code point case mapping. + * Full case mappings may result in zero, one or more code points and depend + * on context or language etc. + * Full case mappings are applied by the string case mapping functions, + * see ustring.h and the UnicodeString class. + * + * @param c the code point to be mapped + * @param options Either U_FOLD_CASE_DEFAULT or U_FOLD_CASE_EXCLUDE_SPECIAL_I + * @return the Simple_Case_Folding of the code point, if any; + * otherwise the code point itself. + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_foldCase(UChar32 c, uint32_t options); + +/** + * Returns the decimal digit value of the code point in the + * specified radix. + * + * If the radix is not in the range <code>2<=radix<=36</code> or if the + * value of <code>c</code> is not a valid digit in the specified + * radix, <code>-1</code> is returned. A character is a valid digit + * if at least one of the following is true: + * <ul> + * <li>The character has a decimal digit value. + * Such characters have the general category "Nd" (decimal digit numbers) + * and a Numeric_Type of Decimal. + * In this case the value is the character's decimal digit value.</li> + * <li>The character is one of the uppercase Latin letters + * <code>'A'</code> through <code>'Z'</code>. + * In this case the value is <code>c-'A'+10</code>.</li> + * <li>The character is one of the lowercase Latin letters + * <code>'a'</code> through <code>'z'</code>. + * In this case the value is <code>ch-'a'+10</code>.</li> + * <li>Latin letters from both the ASCII range (0061..007A, 0041..005A) + * as well as from the Fullwidth ASCII range (FF41..FF5A, FF21..FF3A) + * are recognized.</li> + * </ul> + * + * Same as java.lang.Character.digit(). + * + * @param ch the code point to be tested. + * @param radix the radix. + * @return the numeric value represented by the character in the + * specified radix, + * or -1 if there is no value or if the value exceeds the radix. + * + * @see UCHAR_NUMERIC_TYPE + * @see u_forDigit + * @see u_charDigitValue + * @see u_isdigit + * @stable ICU 2.0 + */ +U_STABLE int32_t U_EXPORT2 +u_digit(UChar32 ch, int8_t radix); + +/** + * Determines the character representation for a specific digit in + * the specified radix. If the value of <code>radix</code> is not a + * valid radix, or the value of <code>digit</code> is not a valid + * digit in the specified radix, the null character + * (<code>U+0000</code>) is returned. + * <p> + * The <code>radix</code> argument is valid if it is greater than or + * equal to 2 and less than or equal to 36. + * The <code>digit</code> argument is valid if + * <code>0 <= digit < radix</code>. + * <p> + * If the digit is less than 10, then + * <code>'0' + digit</code> is returned. Otherwise, the value + * <code>'a' + digit - 10</code> is returned. + * + * Same as java.lang.Character.forDigit(). + * + * @param digit the number to convert to a character. + * @param radix the radix. + * @return the <code>char</code> representation of the specified digit + * in the specified radix. + * + * @see u_digit + * @see u_charDigitValue + * @see u_isdigit + * @stable ICU 2.0 + */ +U_STABLE UChar32 U_EXPORT2 +u_forDigit(int32_t digit, int8_t radix); + +/** + * Get the "age" of the code point. + * The "age" is the Unicode version when the code point was first + * designated (as a non-character or for Private Use) + * or assigned a character. + * This can be useful to avoid emitting code points to receiving + * processes that do not accept newer characters. + * The data is from the UCD file DerivedAge.txt. + * + * @param c The code point. + * @param versionArray The Unicode version number array, to be filled in. + * + * @stable ICU 2.1 + */ +U_STABLE void U_EXPORT2 +u_charAge(UChar32 c, UVersionInfo versionArray); + +/** + * Gets the Unicode version information. + * The version array is filled in with the version information + * for the Unicode standard that is currently used by ICU. + * For example, Unicode version 3.1.1 is represented as an array with + * the values { 3, 1, 1, 0 }. + * + * @param versionArray an output array that will be filled in with + * the Unicode version number + * @stable ICU 2.0 + */ +U_STABLE void U_EXPORT2 +u_getUnicodeVersion(UVersionInfo versionArray); + +/** + * Get the FC_NFKC_Closure property string for a character. + * See Unicode Standard Annex #15 for details, search for "FC_NFKC_Closure" + * or for "FNC": http://www.unicode.org/reports/tr15/ + * + * @param c The character (code point) for which to get the FC_NFKC_Closure string. + * It must be <code>0<=c<=0x10ffff</code>. + * @param dest Destination address for copying the string. + * The string will be zero-terminated if possible. + * If there is no FC_NFKC_Closure string, + * then the buffer will be set to the empty string. + * @param destCapacity <code>==sizeof(dest)</code> + * @param pErrorCode Pointer to a UErrorCode variable. + * @return The length of the string, or 0 if there is no FC_NFKC_Closure string for this character. + * If the destCapacity is less than or equal to the length, then the buffer + * contains the truncated name and the returned length indicates the full + * length of the name. + * The length does not include the zero-termination. + * + * @stable ICU 2.2 + */ +U_STABLE int32_t U_EXPORT2 +u_getFC_NFKC_Closure(UChar32 c, UChar *dest, int32_t destCapacity, UErrorCode *pErrorCode); + +U_CDECL_END + +#endif /*_UCHAR*/ +/*eof*/ |