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enumerating all MIME types (half finished, doesn't work yet)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@4845 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 1999-12-06 17:54:50 +00:00
parent 4314ec480e
commit 1b986aef6e
2 changed files with 130 additions and 84 deletions
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6
include/wx/mimetype.h
View File

@ -190,6 +190,12 @@ public:
// read in additional file in mime.types format
bool ReadMimeTypes(const wxString& filename);
// enumerate all known file types: the caller is responsible for freeing
// both the array and its elements! The previous value of filetypes is lost
//
// returns the number of retrieved file types
size_t EnumAllFileTypes(wxFileType **filetypes);
// these functions can be used to provide default values for some of the
// MIME types inside the program itself (you may also use
// ReadMailcap(filenameWithDefaultTypes, TRUE /* use as fallback */) to

208
src/common/mimetype.cpp
View File

@ -79,6 +79,10 @@
// to open/print the file (the positional parameters are introduced by %1,
// %2, ... in these strings, we change them to %s ourselves)
// although I don't know of any official documentation which mentions this
// location, uses it, so it isn't likely to change
static const wxChar *MIME_DATABASE_KEY = wxT("MIME\\Database\\Content Type\\");
class wxFileTypeImpl
{
public:
@ -134,6 +138,8 @@ public:
wxFileType *GetFileTypeFromExtension(const wxString& ext);
wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
size_t EnumAllFileTypes(wxFileType **filetypes);
// this are NOPs under Windows
bool ReadMailcap(const wxString& filename, bool fallback = TRUE)
{ return TRUE; }
@ -161,6 +167,8 @@ public :
wxFileType *GetFileTypeFromExtension(const wxString& ext);
wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
size_t EnumAllFileTypes(wxFileType **filetypes);
// this are NOPs under MacOS
bool ReadMailcap(const wxString& filename, bool fallback = TRUE) { return TRUE; }
bool ReadMimeTypes(const wxString& filename) { return TRUE; }
@ -346,6 +354,8 @@ public:
wxFileType *GetFileTypeFromExtension(const wxString& ext);
wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
size_t EnumAllFileTypes(wxFileType **filetypes);
bool ReadMailcap(const wxString& filename, bool fallback = FALSE);
bool ReadMimeTypes(const wxString& filename);
@ -644,6 +654,13 @@ void wxMimeTypesManager::AddFallbacks(const wxFileTypeInfo *filetypes)
}
}
size_t wxMimeTypesManager::EnumAllFileTypes(wxFileType **filetypes)
{
wxCHECK_MSG( filetypes, 0u, _T("bad pointer in EnumAllFileTypes") );
return m_impl->EnumAllFileTypes(filetypes);
}
// ============================================================================
// real (OS specific) implementation
// ============================================================================
@ -896,11 +913,7 @@ wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& ext)
wxFileType *
wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
{
// HACK I don't know of any official documentation which mentions this
// location, but as a matter of fact IE uses it, so why not we?
static const wxChar *szMimeDbase = wxT("MIME\\Database\\Content Type\\");
wxString strKey = szMimeDbase;
wxString strKey = MIME_DATABASE_KEY;
strKey << mimeType;
// suppress possible error messages
@ -932,8 +945,15 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
return NULL;
}
#elif defined ( __WXMAC__ )
size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxFileType **filetypes)
{
// enumerate all keys under MIME_DATABASE_KEY
wxRegKey key(wxRegKey::HKCR, MIME_DATABASE_KEY);
return 0;
}
#elif defined ( __WXMAC__ )
bool wxFileTypeImpl::GetCommand(wxString *command, const char *verb) const
{
@ -948,12 +968,12 @@ bool wxFileTypeImpl::GetExtensions(wxArrayString& extensions)
bool wxFileTypeImpl::GetMimeType(wxString *mimeType) const
{
if ( m_strFileType.Length() > 0 )
{
*mimeType = m_strFileType ;
return TRUE ;
}
else
if ( m_strFileType.Length() > 0 )
{
*mimeType = m_strFileType ;
return TRUE ;
}
else
return FALSE;
}
@ -972,73 +992,74 @@ bool wxFileTypeImpl::GetDescription(wxString *desc) const
wxFileType *
wxMimeTypesManagerImpl::GetFileTypeFromExtension(const wxString& e)
{
wxString ext = e ;
ext = ext.Lower() ;
if ( ext == "txt" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("text/text");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "htm" || ext == "html" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("text/html");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "gif" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/gif");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "png" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/png");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "jpg" || ext == "jpeg" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/jpeg");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "bmp" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/bmp");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "tif" || ext == "tiff" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/tiff");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "xpm" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/xpm");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "xbm" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/xbm");
fileType->m_impl->SetExt(ext);
return fileType;
}
// unknown extension
return NULL;
wxString ext = e ;
ext = ext.Lower() ;
if ( ext == "txt" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("text/text");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "htm" || ext == "html" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("text/html");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "gif" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/gif");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "png" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/png");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "jpg" || ext == "jpeg" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/jpeg");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "bmp" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/bmp");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "tif" || ext == "tiff" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/tiff");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "xpm" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/xpm");
fileType->m_impl->SetExt(ext);
return fileType;
}
else if ( ext == "xbm" )
{
wxFileType *fileType = new wxFileType;
fileType->m_impl->SetFileType("image/xbm");
fileType->m_impl->SetExt(ext);
return fileType;
}
// unknown extension
return NULL;
}
// MIME type -> extension -> file type
@ -1047,6 +1068,14 @@ wxMimeTypesManagerImpl::GetFileTypeFromMimeType(const wxString& mimeType)
{
return NULL;
}
size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxFileType **filetypes)
{
wxFAIL_MSG( _T("TODO") ); // VZ: don't know anything about this for Mac
return 0;
}
#else // Unix
MailCapEntry *
@ -1443,11 +1472,8 @@ bool wxMimeTypesManagerImpl::ReadMimeTypes(const wxString& strFileName)
strExtensions.Replace(wxT(","), wxT(" "));
// also deal with the leading dot
#if defined(__VISAGECPP__) && __IBMCPP__ >= 400
if ( !strExtensions.IsEmpty() && strExtensions[size_t(0)] == wxT('.') ) {
#else
if ( !strExtensions.IsEmpty() && strExtensions[0] == wxT('.') ) {
#endif
if ( !strExtensions.IsEmpty() && strExtensions[0u] == wxT('.') )
{
strExtensions.erase(0, 1);
}
@ -1736,6 +1762,20 @@ bool wxMimeTypesManagerImpl::ReadMailcap(const wxString& strFileName,
return TRUE;
}
size_t wxMimeTypesManagerImpl::EnumAllFileTypes(wxFileType **filetypes)
{
size_t count = m_aTypes.GetCount();
*filetypes = new wxFileType *[count];
for ( size_t n = 0; n < count; n++ )
{
(*filetypes)[n] = new wxFileType;
(*filetypes)[n]->m_impl->Init(this, n);
}
return count;
}
#endif
// OS type