| // Written in the D programming language. |
| |
| /** |
| * Support UTF-8 on Windows 95, 98 and ME systems. |
| * |
| * Copyright: Copyright Digital Mars 2005 - 2009. |
| * License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0). |
| * Authors: $(HTTP digitalmars.com, Walter Bright) |
| */ |
| /* Copyright Digital Mars 2005 - 2009. |
| * Distributed under the Boost Software License, Version 1.0. |
| * (See accompanying file LICENSE_1_0.txt or copy at |
| * http://www.boost.org/LICENSE_1_0.txt) |
| */ |
| module std.windows.charset; |
| |
| version (StdDdoc) |
| { |
| /****************************************** |
| * Converts the UTF-8 string s into a null-terminated string in a Windows |
| * 8-bit character set. |
| * |
| * Params: |
| * s = UTF-8 string to convert. |
| * codePage = is the number of the target codepage, or |
| * 0 - ANSI, |
| * 1 - OEM, |
| * 2 - Mac |
| * |
| * Authors: |
| * yaneurao, Walter Bright, Stewart Gordon |
| */ |
| const(char)* toMBSz(in char[] s, uint codePage = 0); |
| |
| /********************************************** |
| * Converts the null-terminated string s from a Windows 8-bit character set |
| * into a UTF-8 char array. |
| * |
| * Params: |
| * s = UTF-8 string to convert. |
| * codePage = is the number of the source codepage, or |
| * 0 - ANSI, |
| * 1 - OEM, |
| * 2 - Mac |
| * Authors: Stewart Gordon, Walter Bright |
| */ |
| string fromMBSz(immutable(char)* s, int codePage = 0); |
| } |
| else: |
| |
| version (Windows): |
| |
| import core.sys.windows.windows; |
| import std.conv; |
| import std.string; |
| import std.windows.syserror; |
| |
| import std.internal.cstring; |
| |
| const(char)* toMBSz(in char[] s, uint codePage = 0) |
| { |
| // Only need to do this if any chars have the high bit set |
| foreach (char c; s) |
| { |
| if (c >= 0x80) |
| { |
| char[] result; |
| int readLen; |
| auto wsTmp = s.tempCStringW(); |
| result.length = WideCharToMultiByte(codePage, 0, wsTmp, -1, null, 0, |
| null, null); |
| |
| if (result.length) |
| { |
| readLen = WideCharToMultiByte(codePage, 0, wsTmp, -1, result.ptr, |
| to!int(result.length), null, null); |
| } |
| |
| if (!readLen || readLen != result.length) |
| { |
| throw new Exception("Couldn't convert string: " ~ |
| sysErrorString(GetLastError())); |
| } |
| |
| return result.ptr; |
| } |
| } |
| return std.string.toStringz(s); |
| } |
| |
| string fromMBSz(immutable(char)* s, int codePage = 0) |
| { |
| const(char)* c; |
| |
| for (c = s; *c != 0; c++) |
| { |
| if (*c >= 0x80) |
| { |
| wchar[] result; |
| int readLen; |
| |
| result.length = MultiByteToWideChar(codePage, 0, s, -1, null, 0); |
| |
| if (result.length) |
| { |
| readLen = MultiByteToWideChar(codePage, 0, s, -1, result.ptr, |
| to!int(result.length)); |
| } |
| |
| if (!readLen || readLen != result.length) |
| { |
| throw new Exception("Couldn't convert string: " ~ |
| sysErrorString(GetLastError())); |
| } |
| |
| return result[0 .. result.length-1].to!string; // omit trailing null |
| } |
| } |
| return s[0 .. c-s]; // string is ASCII, no conversion necessary |
| } |
| |
| |