Amebis/wxWidgets
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add wxConvAuto::GetBOMChars() helper.

Browse Source 
Closes #13620.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69675 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2011-11-05 11:23:41 +00:00
parent 75e488d501
commit 64b91e2d40
3 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
src/common/convauto.cpp
View File

@@ -31,6 +31,17 @@
// seem to be a good idea and there is no other reasonable alternative
wxFontEncoding wxConvAuto::ms_defaultMBEncoding = wxFONTENCODING_ISO8859_1;
namespace
{
const char BOM_UTF32BE[] = { '\x00', '\x00', '\xFE', '\xFF' };
const char BOM_UTF32LE[] = { '\xFF', '\xFE', '\x00', '\x00' };
const char BOM_UTF16BE[] = { '\xFE', '\xFF' };
const char BOM_UTF16LE[] = { '\xFF', '\xFE' };
const char BOM_UTF8[] = { '\xEF', '\xBB', '\xBF' };
} // anonymous namespace
// ============================================================================
// implementation
// ============================================================================
@@ -44,6 +55,28 @@ void wxConvAuto::SetFallbackEncoding(wxFontEncoding enc)
ms_defaultMBEncoding = enc;
}
/* static */
const char* wxConvAuto::GetBOMChars(wxBOM bom, size_t* count)
{
wxCHECK_MSG( count , NULL, wxS("count pointer must be provided") );
switch ( bom )
{
case wxBOM_UTF32BE: *count = WXSIZEOF(BOM_UTF32BE); return BOM_UTF32BE;
case wxBOM_UTF32LE: *count = WXSIZEOF(BOM_UTF32LE); return BOM_UTF32LE;
case wxBOM_UTF16BE: *count = WXSIZEOF(BOM_UTF16BE); return BOM_UTF16BE;
case wxBOM_UTF16LE: *count = WXSIZEOF(BOM_UTF16LE); return BOM_UTF16LE;
case wxBOM_UTF8 : *count = WXSIZEOF(BOM_UTF8 ); return BOM_UTF8;
case wxBOM_Unknown:
case wxBOM_None:
wxFAIL_MSG( wxS("Invalid BOM type") );
return NULL;
}
wxFAIL_MSG( wxS("Unknown BOM type") );
return NULL;
}
/* static */
wxBOM wxConvAuto::DetectBOM(const char *src, size_t srcLen)
{