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Diffstat (limited to 'lib/chef/win32/api/unicode.rb')
| -rw-r--r-- | lib/chef/win32/api/unicode.rb | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/lib/chef/win32/api/unicode.rb b/lib/chef/win32/api/unicode.rb new file mode 100644 index 0000000000..0b2cb09a6b --- /dev/null +++ b/lib/chef/win32/api/unicode.rb @@ -0,0 +1,178 @@ +# +# Author:: Seth Chisamore (<schisamo@opscode.com>) +# Copyright:: Copyright 2011 Opscode, Inc. +# License:: Apache License, Version 2.0 +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +require 'chef/win32/api' + +class Chef + module ReservedNames::Win32 + module API + module Unicode + extend Chef::ReservedNames::Win32::API + + ############################################### + # Win32 API Constants + ############################################### + + CP_ACP = 0 + CP_OEMCP = 1 + CP_MACCP = 2 + CP_THREAD_ACP = 3 + CP_SYMBOL = 42 + CP_UTF7 = 65000 + CP_UTF8 = 65001 + + MB_PRECOMPOSED = 0x00000001 + MB_COMPOSITE = 0x00000002 + MB_USEGLYPHCHARS = 0x00000004 + MB_ERR_INVALID_CHARS = 0x00000008 + + WC_COMPOSITECHECK = 0x00000200 + WC_DISCARDNS = 0x00000010 + WC_SEPCHARS = 0x00000020 + WC_DEFAULTCHAR = 0x00000040 + WC_NO_BEST_FIT_CHARS = 0x00000400 + + ANSI_CHARSET = 0 + DEFAULT_CHARSET = 1 + SYMBOL_CHARSET = 2 + SHIFTJIS_CHARSET = 128 + HANGEUL_CHARSET = 129 + HANGUL_CHARSET = 129 + GB2312_CHARSET = 134 + CHINESEBIG5_CHARSET = 136 + OEM_CHARSET = 255 + JOHAB_CHARSET = 130 + HEBREW_CHARSET = 177 + ARABIC_CHARSET = 178 + GREEK_CHARSET = 161 + TURKISH_CHARSET = 162 + VIETNAMESE_CHARSET = 163 + THAI_CHARSET = 222 + EASTEUROPE_CHARSET = 238 + RUSSIAN_CHARSET = 204 + + IS_TEXT_UNICODE_ASCII16 = 0x0001 + IS_TEXT_UNICODE_REVERSE_ASCII16 = 0x0010 + IS_TEXT_UNICODE_STATISTICS = 0x0002 + IS_TEXT_UNICODE_REVERSE_STATISTICS = 0x0020 + IS_TEXT_UNICODE_CONTROLS = 0x0004 + IS_TEXT_UNICODE_REVERSE_CONTROLS = 0x0040 + IS_TEXT_UNICODE_SIGNATURE = 0x0008 + IS_TEXT_UNICODE_REVERSE_SIGNATURE = 0x0080 + IS_TEXT_UNICODE_ILLEGAL_CHARS = 0x0100 + IS_TEXT_UNICODE_ODD_LENGTH = 0x0200 + IS_TEXT_UNICODE_DBCS_LEADBYTE = 0x0400 + IS_TEXT_UNICODE_NULL_BYTES = 0x1000 + IS_TEXT_UNICODE_UNICODE_MASK = 0x000F + IS_TEXT_UNICODE_REVERSE_MASK = 0x00F0 + IS_TEXT_UNICODE_NOT_UNICODE_MASK = 0x0F00 + IS_TEXT_UNICODE_NOT_ASCII_MASK = 0xF000 + + TCI_SRCCHARSET = 1 + TCI_SRCCODEPAGE = 2 + TCI_SRCFONTSIG = 3 + TCI_SRCLOCALE = 0x100 + + ############################################### + # Win32 API Bindings + ############################################### + + ffi_lib 'kernel32', 'advapi32' + +=begin +BOOL IsTextUnicode( + __in const VOID *lpv, + __in int iSize, + __inout LPINT lpiResult +); +=end + safe_attach_function :IsTextUnicode, [:pointer, :int, :LPINT], :BOOL + +=begin +int MultiByteToWideChar( + __in UINT CodePage, + __in DWORD dwFlags, + __in LPCSTR lpMultiByteStr, + __in int cbMultiByte, + __out LPWSTR lpWideCharStr, + __in int cchWideChar +); +=end + safe_attach_function :MultiByteToWideChar, [:UINT, :DWORD, :LPCSTR, :int, :LPWSTR, :int], :int + +=begin +int WideCharToMultiByte( + __in UINT CodePage, + __in DWORD dwFlags, + __in LPCWSTR lpWideCharStr, + __in int cchWideChar, + __out LPSTR lpMultiByteStr, + __in int cbMultiByte, + __in LPCSTR lpDefaultChar, + __out LPBOOL lpUsedDefaultChar +); +=end + safe_attach_function :WideCharToMultiByte, [:UINT, :DWORD, :LPCWSTR, :int, :LPSTR, :int, :LPCSTR, :LPBOOL], :int + + ############################################### + # Helpers + ############################################### + + def utf8_to_wide(ustring) + # ensure it is actually UTF-8 + # Ruby likes to mark binary data as ASCII-8BIT + ustring = (ustring + "").force_encoding('UTF-8') if ustring.respond_to?(:force_encoding) && ustring.encoding.name != "UTF-8" + + # ensure we have the double-null termination Windows Wide likes + ustring = ustring + "\000\000" if ustring[-1].chr != "\000" + + # encode it all as UTF-16LE AKA Windows Wide Character AKA Windows Unicode + ustring = begin + if ustring.respond_to?(:encode) + ustring.encode('UTF-16LE') + else + require 'iconv' + Iconv.conv("UTF-16LE", "UTF-8", ustring) + end + end + ustring + end + + def wide_to_utf8(wstring) + # ensure it is actually UTF-16LE + # Ruby likes to mark binary data as ASCII-8BIT + wstring = wstring.force_encoding('UTF-16LE') if wstring.respond_to?(:force_encoding) + + # encode it all as UTF-8 + wstring = begin + if wstring.respond_to?(:encode) + wstring.encode('UTF-8') + else + require 'iconv' + Iconv.conv("UTF-8", "UTF-16LE", wstring) + end + end + # remove trailing CRLF and NULL characters + wstring.strip! + wstring + end + + end + end + end +end |