dmd.utf
Functions related to UTF encoding.
License
Source: utf.d
Documentation: https://dlang.org/phobos/dmd_utf.html
-
Declaration
pure nothrow @nogc bool
utf_isValidDchar
(dcharc
);The Unicode code space is the range of code points [0x000000,0x10FFFF] except the UTF-16 surrogate pairs in the range [0xD800,0xDFFF]
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Declaration
pure nothrow @nogc bool
isUniAlpha
(dcharc
);Return !=0 if unicode alpha. Use table from C99 Appendix D.
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Declaration
pure nothrow @nogc int
utf_codeLengthChar
(dcharc
);Returns the code length of
c
in code units. -
Declaration
pure nothrow @nogc int
utf_codeLength
(intsz
, dcharc
);Returns the code length of
c
in code units for the encoding.sz
is the encoding: 1 = utf8, 2 = utf16, 4 = utf32. -
Declaration
pure nothrow @nogc string
utf_decodeChar
(const(char)[]s
, ref size_tridx
, out dcharrresult
);Decode a UTF-8 sequence as a single UTF-32 code point.
Parameters
const(char)[]
s
UTF-8 sequence
size_t
ridx
starting index in
s
[], updated to reflect number of code units decodeddchar
rresult
set to character decoded
Return Value
null
on success, otherwise error message string -
Declaration
pure nothrow @nogc string
utf_decodeWchar
(const(wchar)[]s
, ref size_tridx
, out dcharrresult
);Decode a UTF-16 sequence as a single UTF-32 code point.
Parameters
const(wchar)[]
s
UTF-16 sequence
size_t
ridx
starting index in
s
[], updated to reflect number of code units decodeddchar
rresult
set to character decoded
Return Value
null
on success, otherwise error message string