/** Copyright 2003, Axel Dörfler, axeld@pinc-software.de. All rights reserved.* Distributed under the terms of the MIT License.** Authors:* Axel Dörfler, axeld@pinc-software.de* Siarzhuk Zharski, zharik@gmx.li**/#include <UnicodeChar.h>#include <unicode/uchar.h>#include <unicode/utf8.h>BUnicodeChar::BUnicodeChar(){}// Returns the general category value for the code point.int8BUnicodeChar::Type(uint32 c){return u_charType(c);}// Determines whether the specified code point is a letter character.// True for general categories "L" (letters).boolBUnicodeChar::IsAlpha(uint32 c){return u_isalpha(c);}// Determines whether the specified code point is an alphanumeric character// (letter or digit).// True for characters with general categories// "L" (letters) and "Nd" (decimal digit numbers).boolBUnicodeChar::IsAlNum(uint32 c){return u_isalnum(c);}// Check if a code point has the Lowercase Unicode property (UCHAR_LOWERCASE).boolBUnicodeChar::IsLower(uint32 c){return u_isULowercase(c);}// Check if a code point has the Uppercase Unicode property (UCHAR_UPPERCASE).boolBUnicodeChar::IsUpper(uint32 c){return u_isUUppercase(c);}// Determines whether the specified code point is a titlecase letter.// True for general category "Lt" (titlecase letter).boolBUnicodeChar::IsTitle(uint32 c){return u_istitle(c);}// Determines whether the specified code point is a digit character.// 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.boolBUnicodeChar::IsDigit(uint32 c){return u_isdigit(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.)boolBUnicodeChar::IsHexDigit(uint32 c){return u_isxdigit(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.boolBUnicodeChar::IsDefined(uint32 c){return u_isdefined(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).boolBUnicodeChar::IsBase(uint32 c){return u_isbase(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)boolBUnicodeChar::IsControl(uint32 c){return u_iscntrl(c);}// Determines whether the specified code point is a punctuation character.// True for characters with general categories "P" (punctuation).boolBUnicodeChar::IsPunctuation(uint32 c){return u_ispunct(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).boolBUnicodeChar::IsSpace(uint32 c){return u_isJavaSpaceChar(c);}// Determines if the specified code point is a whitespace character// A character is considered to be a whitespace character if and only// if it satisfies one of the following criteria:// - It is a Unicode Separator character (categories "Z" = "Zs" or "Zl" or "Zp"),// but is not also a non-breaking 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.boolBUnicodeChar::IsWhitespace(uint32 c){return u_isWhitespace(c);}// Determines whether the specified code point is a printable character.// True for general categories other than "C" (controls).boolBUnicodeChar::IsPrintable(uint32 c){return u_isprint(c);}// #pragma mark -uint32BUnicodeChar::ToLower(uint32 c){return u_tolower(c);}uint32BUnicodeChar::ToUpper(uint32 c){return u_toupper(c);}uint32BUnicodeChar::ToTitle(uint32 c){return u_totitle(c);}int32BUnicodeChar::DigitValue(uint32 c){return u_digit(c, 10);}unicode_east_asian_widthBUnicodeChar::EastAsianWidth(uint32 c){return (unicode_east_asian_width)u_getIntPropertyValue(c,UCHAR_EAST_ASIAN_WIDTH);}voidBUnicodeChar::ToUTF8(uint32 c, char** out){int i = 0;U8_APPEND_UNSAFE(*out, i, c);*out += i;}uint32BUnicodeChar::FromUTF8(const char** in){int i = 0;uint32 c = 0;U8_NEXT_UNSAFE(*in, i, c);*in += i;return c;}size_tBUnicodeChar::UTF8StringLength(const char* string){size_t len = 0;while (*string) {FromUTF8(&string);len++;}return len;}size_tBUnicodeChar::UTF8StringLength(const char* string, size_t maxLength){size_t len = 0;while (len < maxLength && *string) {FromUTF8(&string);len++;}return len;}