X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b8b37cedd39bae3a3653003a7f8ae5fecf4df78f..0bbe61b8c18a1795189f0cf73cc61c14a0fb846d:/src/common/filesys.cpp?ds=inline diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp index 5e99f9787a..71dc13788b 100644 --- a/src/common/filesys.cpp +++ b/src/common/filesys.cpp @@ -20,22 +20,39 @@ #ifndef WX_PRECOMP #include "wx/log.h" + #include "wx/module.h" #endif #include "wx/wfstream.h" -#include "wx/module.h" #include "wx/mimetype.h" #include "wx/filename.h" #include "wx/tokenzr.h" +#include "wx/uri.h" +#include "wx/private/fileback.h" +// ---------------------------------------------------------------------------- +// wxFSFile +// ---------------------------------------------------------------------------- -//-------------------------------------------------------------------------------- +const wxString& wxFSFile::GetMimeType() const +{ + if ( m_MimeType.empty() && !m_Location.empty() ) + { + wxConstCast(this, wxFSFile)->m_MimeType = + wxFileSystemHandler::GetMimeTypeFromExt(m_Location); + } + + return m_MimeType; +} + +// ---------------------------------------------------------------------------- // wxFileSystemHandler -//-------------------------------------------------------------------------------- +// ---------------------------------------------------------------------------- IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject) +/* static */ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) { wxString ext, mime; @@ -68,27 +85,27 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) wxEmptyString, wxEmptyString, _T("JPEG image (from fallback)"), - _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), NULL), + _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), wxNullPtr), wxFileTypeInfo(_T("image/gif"), wxEmptyString, wxEmptyString, _T("GIF image (from fallback)"), - _T("gif"), _T("GIF"), NULL), + _T("gif"), _T("GIF"), wxNullPtr), wxFileTypeInfo(_T("image/png"), wxEmptyString, wxEmptyString, _T("PNG image (from fallback)"), - _T("png"), _T("PNG"), NULL), + _T("png"), _T("PNG"), wxNullPtr), wxFileTypeInfo(_T("image/bmp"), wxEmptyString, wxEmptyString, _T("windows bitmap image (from fallback)"), - _T("bmp"), _T("BMP"), NULL), + _T("bmp"), _T("BMP"), wxNullPtr), wxFileTypeInfo(_T("text/html"), wxEmptyString, wxEmptyString, _T("HTML document (from fallback)"), - _T("htm"), _T("html"), _T("HTM"), _T("HTML"), NULL), + _T("htm"), _T("html"), _T("HTM"), _T("HTML"), wxNullPtr), // must terminate the table with this! wxFileTypeInfo() }; @@ -122,7 +139,8 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) -wxString wxFileSystemHandler::GetProtocol(const wxString& location) const +/* static */ +wxString wxFileSystemHandler::GetProtocol(const wxString& location) { wxString s = wxEmptyString; int i, l = location.length(); @@ -137,7 +155,8 @@ wxString wxFileSystemHandler::GetProtocol(const wxString& location) const } -wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const +/* static */ +wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) { int i; bool fnd = false; @@ -149,7 +168,8 @@ wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const return wxEmptyString; } -wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const +/* static */ +wxString wxFileSystemHandler::GetRightLocation(const wxString& location) { int i, l = location.length(); int l2 = l + 1; @@ -165,7 +185,8 @@ wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const else return location.Mid(i + 1, l2 - i - 2); } -wxString wxFileSystemHandler::GetAnchor(const wxString& location) const +/* static */ +wxString wxFileSystemHandler::GetAnchor(const wxString& location) { wxChar c; int l = location.length(); @@ -214,7 +235,13 @@ wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& // we need to check whether we can really read from this file, otherwise // wxFSFile is not going to work +#if wxUSE_FFILE wxFFileInputStream *is = new wxFFileInputStream(fullpath); +#elif wxUSE_FILE + wxFileInputStream *is = new wxFileInputStream(fullpath); +#else +#error One of wxUSE_FILE or wxUSE_FFILE must be set to 1 for wxFSHandler to work +#endif if ( !is->Ok() ) { delete is; @@ -223,7 +250,7 @@ wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& return new wxFSFile(is, right, - GetMimeTypeFromExt(location), + wxEmptyString, GetAnchor(location) #if wxUSE_DATETIME ,wxDateTime(wxFileModificationTime(fullpath)) @@ -255,6 +282,12 @@ IMPLEMENT_ABSTRACT_CLASS(wxFSFile, wxObject) wxList wxFileSystem::m_Handlers; +wxFileSystem::~wxFileSystem() +{ + WX_CLEAR_HASH_MAP(wxFSHandlerHash, m_LocalHandlers) +} + + static wxString MakeCorrectPath(const wxString& path) { wxString p(path); @@ -351,8 +384,30 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir) -wxFSFile* wxFileSystem::OpenFile(const wxString& location) +wxFileSystemHandler *wxFileSystem::MakeLocal(wxFileSystemHandler *h) { + wxClassInfo *classinfo = h->GetClassInfo(); + + if (classinfo->IsDynamic()) + { + wxFileSystemHandler*& local = m_LocalHandlers[classinfo]; + if (!local) + local = (wxFileSystemHandler*)classinfo->CreateObject(); + return local; + } + else + { + return h; + } +} + + + +wxFSFile* wxFileSystem::OpenFile(const wxString& location, int flags) +{ + if ((flags & wxFS_READ) == 0) + return NULL; + wxString loc = MakeCorrectPath(location); unsigned i, ln; wxChar meta; @@ -363,7 +418,7 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location) meta = 0; for (i = 0; i < ln; i++) { - switch (loc[i]) + switch ( loc[i].GetValue() ) { case wxT('/') : case wxT(':') : case wxT('#') : meta = loc[i]; @@ -382,7 +437,7 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location) wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData(); if (h->CanOpen(m_Path + loc)) { - s = h->OpenFile(*this, m_Path + loc); + s = MakeLocal(h)->OpenFile(*this, m_Path + loc); if (s) { m_LastName = m_Path + loc; break; } } node = node->GetNext(); @@ -398,12 +453,21 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location) wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData(); if (h->CanOpen(loc)) { - s = h->OpenFile(*this, loc); + s = MakeLocal(h)->OpenFile(*this, loc); if (s) { m_LastName = loc; break; } } node = node->GetNext(); } } + + if (s && (flags & wxFS_SEEKABLE) != 0 && !s->GetStream()->IsSeekable()) + { + wxBackedInputStream *stream; + stream = new wxBackedInputStream(s->DetachStream()); + stream->FindLength(); + s->SetStream(stream); + } + return (s); } @@ -422,18 +486,24 @@ wxString wxFileSystem::FindFirst(const wxString& spec, int flags) node = m_Handlers.GetFirst(); while (node) { - m_FindFileHandler = (wxFileSystemHandler*) node -> GetData(); - if (m_FindFileHandler -> CanOpen(m_Path + spec2)) + wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData(); + if (h -> CanOpen(m_Path + spec2)) + { + m_FindFileHandler = MakeLocal(h); return m_FindFileHandler -> FindFirst(m_Path + spec2, flags); + } node = node->GetNext(); } node = m_Handlers.GetFirst(); while (node) { - m_FindFileHandler = (wxFileSystemHandler*) node -> GetData(); - if (m_FindFileHandler -> CanOpen(spec2)) + wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData(); + if (h -> CanOpen(spec2)) + { + m_FindFileHandler = MakeLocal(h); return m_FindFileHandler -> FindFirst(spec2, flags); + } node = node->GetNext(); } @@ -449,16 +519,19 @@ wxString wxFileSystem::FindNext() } bool wxFileSystem::FindFileInPath(wxString *pStr, - const wxChar *path, - const wxChar *basename) + const wxString& path, + const wxString& basename) { // we assume that it's not empty - wxCHECK_MSG( !wxIsEmpty(basename), false, + wxCHECK_MSG( !basename.empty(), false, _T("empty file name in wxFileSystem::FindFileInPath")); + wxString name; // skip path separator in the beginning of the file name if present - if ( wxIsPathSeparator(*basename) ) - basename++; + if ( wxIsPathSeparator(basename[0u]) ) + name = basename.substr(1); + else + name = basename; wxStringTokenizer tokenizer(path, wxPATH_SEP); while ( tokenizer.HasMoreTokens() ) @@ -466,7 +539,7 @@ bool wxFileSystem::FindFileInPath(wxString *pStr, wxString strFile = tokenizer.GetNextToken(); if ( !wxEndsWithPathSeparator(strFile) ) strFile += wxFILE_SEP_PATH; - strFile += basename; + strFile += name; wxFSFile *file = OpenFile(strFile); if ( file ) @@ -482,9 +555,25 @@ bool wxFileSystem::FindFileInPath(wxString *pStr, void wxFileSystem::AddHandler(wxFileSystemHandler *handler) { - m_Handlers.Append(handler); + // prepend the handler to the beginning of the list because handlers added + // last should have the highest priority to allow overriding them + m_Handlers.Insert((size_t)0, handler); +} + +wxFileSystemHandler* wxFileSystem::RemoveHandler(wxFileSystemHandler *handler) +{ + // if handler has already been removed (or deleted) + // we return NULL. This is by design in case + // CleanUpHandlers() is called before RemoveHandler + // is called, as we cannot control the order + // which modules are unloaded + if (!m_Handlers.DeleteObject(handler)) + return NULL; + + return handler; } + bool wxFileSystem::HasHandlerForPath(const wxString &location) { for ( wxList::compatibility_iterator node = m_Handlers.GetFirst(); @@ -525,8 +614,7 @@ wxFileName wxFileSystem::URLToFileName(const wxString& url) path = path.Mid(2); #endif - path.Replace(wxT("%25"), wxT("%")); - path.Replace(wxT("%3A"), wxT(":")); + path = wxURI::Unescape(path); #ifdef __WXMSW__ // file urls either start with a forward slash (local harddisk), @@ -573,7 +661,18 @@ wxString wxFileSystem::FileNameToURL(const wxFileName& filename) #endif url.Replace(g_nativePathString, g_unixPathString); - url.Replace(wxT("%"), wxT("%25")); + url.Replace(wxT("%"), wxT("%25")); // '%'s must be replaced first! + url.Replace(wxT("#"), wxT("%23")); + + // notice that all colons *must* be encoded in the paths used by + // wxFileSystem even though this makes URLs produced by this method + // unusable with IE under Windows as it requires "file:///c:/foo.bar" and + // doesn't accept "file:///c%3a/foo.bar" -- but then we never made any + // guarantees about general suitability of the strings returned by this + // method, they must work with wxFileSystem only and not encoding the colon + // breaks handling of "http://wherever/whatever.zip#zip:filename.ext" URLs + // so we really can't do this without heavy changes to the parsing code + // here, in particular in GetRightLocation() url.Replace(wxT(":"), wxT("%3A")); url = wxT("file:") + url; return url; @@ -587,15 +686,28 @@ class wxFileSystemModule : public wxModule DECLARE_DYNAMIC_CLASS(wxFileSystemModule) public: + wxFileSystemModule() : + wxModule(), + m_handler(NULL) + { + } + virtual bool OnInit() { - wxFileSystem::AddHandler(new wxLocalFSHandler); + m_handler = new wxLocalFSHandler; + wxFileSystem::AddHandler(m_handler); return true; } virtual void OnExit() { + delete wxFileSystem::RemoveHandler(m_handler); + wxFileSystem::CleanUpHandlers(); } + + private: + wxFileSystemHandler* m_handler; + }; IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)