projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 37671b82 | 1 | ///////////////////////////////////////////////////////////////////////////// |
| 8aa3cd14 | 2 | // Name: src/common/fs_filter.cpp |
| 37671b82 MW |
3 | // Purpose: wxFilter file system handler |
| 4 | // Author: Mike Wetherell | |
| 5 | // Copyright: (c) 2006 Mike Wetherell | |
| 37671b82 MW |
6 | // Licence: wxWindows licence |
| 7 | ///////////////////////////////////////////////////////////////////////////// | |
| 8 | ||
| 9 | #include "wx/wxprec.h" | |
| 10 | ||
| 11 | #ifdef __BORLANDC__ | |
| 8aa3cd14 | 12 | #pragma hdrstop |
| 37671b82 MW |
13 | #endif |
| 14 | ||
| 15 | #if wxUSE_FILESYSTEM | |
| 16 | ||
| 17 | #include "wx/fs_filter.h" | |
| 18 | ||
| b4f4d3dd | 19 | #ifndef WX_PRECOMP |
| 37671b82 MW |
20 | #endif |
| 21 | ||
| 664e1314 | 22 | #include "wx/scopedptr.h" |
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23 | |
| 24 | wxDEFINE_SCOPED_PTR_TYPE(wxFSFile) | |
| 25 | wxDEFINE_SCOPED_PTR_TYPE(wxInputStream) | |
| 26 | ||
| 27 | //---------------------------------------------------------------------------- | |
| 28 | // wxFilterFSHandler | |
| 29 | //---------------------------------------------------------------------------- | |
| 30 | ||
| 31 | bool wxFilterFSHandler::CanOpen(const wxString& location) | |
| 32 | { | |
| 33 | return wxFilterClassFactory::Find(GetProtocol(location)) != NULL; | |
| 34 | } | |
| 35 | ||
| 36 | wxFSFile* wxFilterFSHandler::OpenFile( | |
| 37 | wxFileSystem& fs, | |
| 38 | const wxString& location) | |
| 39 | { | |
| 40 | wxString right = GetRightLocation(location); | |
| 41 | if (!right.empty()) | |
| 42 | return NULL; | |
| 8aa3cd14 | 43 | |
| 37671b82 MW |
44 | wxString protocol = GetProtocol(location); |
| 45 | const wxFilterClassFactory *factory = wxFilterClassFactory::Find(protocol); | |
| 46 | if (!factory) | |
| 47 | return NULL; | |
| 48 | ||
| 49 | wxString left = GetLeftLocation(location); | |
| 50 | wxFSFilePtr leftFile(fs.OpenFile(left)); | |
| 51 | if (!leftFile.get()) | |
| 52 | return NULL; | |
| 53 | ||
| 54 | wxInputStreamPtr leftStream(leftFile->DetachStream()); | |
| 55 | if (!leftStream.get() || !leftStream->IsOk()) | |
| 56 | return NULL; | |
| 57 | ||
| 34eeb223 | 58 | wxInputStreamPtr stream(factory->NewStream(leftStream.release())); |
| 37671b82 MW |
59 | |
| 60 | // The way compressed streams are supposed to be served is e.g.: | |
| 8aa3cd14 WS |
61 | // Content-type: application/postscript |
| 62 | // Content-encoding: gzip | |
| 37671b82 MW |
63 | // So the mime type should be just the mime type of the lhs. However check |
| 64 | // whether the mime type is that of this compression format (e.g. | |
| 65 | // application/gzip). If so pop any extension and try GetMimeTypeFromExt, | |
| 66 | // e.g. if it were '.ps.gz' pop the '.gz' and try looking up '.ps' | |
| 67 | wxString mime = leftFile->GetMimeType(); | |
| 68 | if (factory->CanHandle(mime, wxSTREAM_MIMETYPE)) | |
| 69 | mime = GetMimeTypeFromExt(factory->PopExtension(left)); | |
| 70 | ||
| 71 | return new wxFSFile(stream.release(), | |
| 72 | left + wxT("#") + protocol + wxT(":") + right, | |
| 73 | mime, | |
| 74 | GetAnchor(location) | |
| 75 | #if wxUSE_DATETIME | |
| 76 | , leftFile->GetModificationTime() | |
| 77 | #endif // wxUSE_DATETIME | |
| 78 | ); | |
| 79 | } | |
| 80 | ||
| 8aa3cd14 | 81 | wxString wxFilterFSHandler::FindFirst(const wxString& WXUNUSED(spec), int WXUNUSED(flags)) |
| 37671b82 MW |
82 | { |
| 83 | return wxEmptyString; | |
| 84 | } | |
| 85 | ||
| 86 | wxString wxFilterFSHandler::FindNext() | |
| 87 | { | |
| 88 | return wxEmptyString; | |
| 89 | } | |
| 90 | ||
| 91 | #endif //wxUSE_FILESYSTEM |