X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8ad944dcbcb8c1aaa0b8b5ce653d5a7206ea7cb8..e0954e729dabaad5603d9970d123d6b96ed73463:/src/common/filesys.cpp diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp index fa5355435d..94a229f49c 100644 --- a/src/common/filesys.cpp +++ b/src/common/filesys.cpp @@ -1,31 +1,33 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: filesys.cpp +// Name: src/common/filesys.cpp // Purpose: wxFileSystem class - interface for opening files // Author: Vaclav Slavik // Copyright: (c) 1999 Vaclav Slavik // CVS-ID: $Id$ -// Licence: wxWindows Licence +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "filesys.h" -#endif - #include "wx/wxprec.h" #ifdef __BORLANDC__ -#pragma hdrstop + #pragma hdrstop #endif #if wxUSE_FILESYSTEM -#include "wx/wfstream.h" -#include "wx/module.h" #include "wx/filesys.h" + +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/module.h" +#endif + +#include "wx/wfstream.h" #include "wx/mimetype.h" #include "wx/filename.h" - +#include "wx/tokenzr.h" +#include "wx/private/fileback.h" //-------------------------------------------------------------------------------- @@ -35,16 +37,12 @@ IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject) -#if wxUSE_MIMETYPE -static wxFileTypeInfo *gs_FSMimeFallbacks = NULL; -#endif - wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) { wxString ext, mime; wxString loc = GetRightLocation(location); - char c; - int l = loc.Length(), l2; + wxChar c; + int l = loc.length(), l2; l2 = l; for (int i = l-1; i >= 0; i--) @@ -62,10 +60,41 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) } #if wxUSE_MIMETYPE - static bool s_MinimalMimeEnsured = FALSE; - if (!s_MinimalMimeEnsured) { - wxTheMimeTypesManager->AddFallbacks(gs_FSMimeFallbacks); - s_MinimalMimeEnsured = TRUE; + static bool s_MinimalMimeEnsured = false; + if (!s_MinimalMimeEnsured) + { + static const wxFileTypeInfo fallbacks[] = + { + wxFileTypeInfo(_T("image/jpeg"), + wxEmptyString, + wxEmptyString, + _T("JPEG image (from fallback)"), + _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), 0), + wxFileTypeInfo(_T("image/gif"), + wxEmptyString, + wxEmptyString, + _T("GIF image (from fallback)"), + _T("gif"), _T("GIF"), 0), + wxFileTypeInfo(_T("image/png"), + wxEmptyString, + wxEmptyString, + _T("PNG image (from fallback)"), + _T("png"), _T("PNG"), 0), + wxFileTypeInfo(_T("image/bmp"), + wxEmptyString, + wxEmptyString, + _T("windows bitmap image (from fallback)"), + _T("bmp"), _T("BMP"), 0), + wxFileTypeInfo(_T("text/html"), + wxEmptyString, + wxEmptyString, + _T("HTML document (from fallback)"), + _T("htm"), _T("html"), _T("HTM"), _T("HTML"), 0), + // must terminate the table with this! + wxFileTypeInfo() + }; + wxTheMimeTypesManager->AddFallbacks(fallbacks); + s_MinimalMimeEnsured = true; } wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext); @@ -78,15 +107,15 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) return mime; #else - if ( ext.IsSameAs(wxT("htm"), FALSE) || ext.IsSameAs(_T("html"), FALSE) ) + if ( ext.IsSameAs(wxT("htm"), false) || ext.IsSameAs(_T("html"), false) ) return wxT("text/html"); - if ( ext.IsSameAs(wxT("jpg"), FALSE) || ext.IsSameAs(_T("jpeg"), FALSE) ) + if ( ext.IsSameAs(wxT("jpg"), false) || ext.IsSameAs(_T("jpeg"), false) ) return wxT("image/jpeg"); - if ( ext.IsSameAs(wxT("gif"), FALSE) ) + if ( ext.IsSameAs(wxT("gif"), false) ) return wxT("image/gif"); - if ( ext.IsSameAs(wxT("png"), FALSE) ) + if ( ext.IsSameAs(wxT("png"), false) ) return wxT("image/png"); - if ( ext.IsSameAs(wxT("bmp"), FALSE) ) + if ( ext.IsSameAs(wxT("bmp"), false) ) return wxT("image/bmp"); return wxEmptyString; #endif @@ -97,12 +126,11 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location) wxString wxFileSystemHandler::GetProtocol(const wxString& location) const { wxString s = wxEmptyString; - int i, l = location.Length(); - bool fnd; + int i, l = location.length(); + bool fnd = false; - fnd = FALSE; for (i = l-1; (i >= 0) && ((location[i] != wxT('#')) || (!fnd)); i--) { - if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE; + if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = true; } if (!fnd) return wxT("file"); for (++i; (i < l) && (location[i] != wxT(':')); i++) s << location[i]; @@ -113,11 +141,10 @@ wxString wxFileSystemHandler::GetProtocol(const wxString& location) const wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const { int i; - bool fnd; + bool fnd = false; - fnd = FALSE; - for (i = location.Length()-1; i >= 0; i--) { - if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE; + for (i = location.length()-1; i >= 0; i--) { + if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = true; else if (fnd && (location[i] == wxT('#'))) return location.Left(i); } return wxEmptyString; @@ -125,17 +152,24 @@ wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const { - int i, l = location.Length(); + int i, l = location.length(); int l2 = l + 1; - for (i = l-1; (i >= 0) && ((location[i] != wxT(':')) || (i == 1) || (location[i-2] == wxT(':'))); i--) {if (location[i] == wxT('#')) l2 = i + 1;} + + for (i = l-1; + (i >= 0) && + ((location[i] != wxT(':')) || (i == 1) || (location[i-2] == wxT(':'))); + i--) + { + if (location[i] == wxT('#')) l2 = i + 1; + } if (i == 0) return wxEmptyString; else return location.Mid(i + 1, l2 - i - 2); } wxString wxFileSystemHandler::GetAnchor(const wxString& location) const { - char c; - int l = location.Length(); + wxChar c; + int l = location.length(); for (int i = l-1; i >= 0; i--) { c = location[i]; @@ -172,25 +206,42 @@ bool wxLocalFSHandler::CanOpen(const wxString& location) wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location) { // location has Unix path separators - wxString right = ms_root + GetRightLocation(location); + wxString right = GetRightLocation(location); wxFileName fn = wxFileSystem::URLToFileName(right); + wxString fullpath = ms_root + fn.GetFullPath(); + + if (!wxFileExists(fullpath)) + return (wxFSFile*) NULL; - if (!wxFileExists(fn.GetFullPath())) + // we need to check whether we can really read from this file, otherwise + // wxFSFile is not going to work +#if wxUSE_FILE + wxFileInputStream *is = new wxFileInputStream(fullpath); +#elif wxUSE_FFILE + wxFFileInputStream *is = new wxFFileInputStream(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; return (wxFSFile*) NULL; + } - return new wxFSFile(new wxFFileInputStream(fn.GetFullPath()), + return new wxFSFile(is, right, GetMimeTypeFromExt(location), - GetAnchor(location), - wxDateTime(wxFileModificationTime(fn.GetFullPath()))); - + GetAnchor(location) +#if wxUSE_DATETIME + ,wxDateTime(wxFileModificationTime(fullpath)) +#endif // wxUSE_DATETIME + ); } wxString wxLocalFSHandler::FindFirst(const wxString& spec, int flags) { - wxString right = ms_root + GetRightLocation(spec); - return wxFindFirstFile(wxFileSystem::URLToFileName(right).GetFullPath(), - flags); + wxFileName fn = wxFileSystem::URLToFileName(GetRightLocation(spec)); + return wxFindFirstFile(ms_root + fn.GetFullPath(), flags); } wxString wxLocalFSHandler::FindNext() @@ -211,13 +262,19 @@ 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); wxString r; int i, j, cnt; - cnt = p.Length(); + cnt = p.length(); for (i = 0; i < cnt; i++) if (p.GetChar(i) == wxT('\\')) p.GetWritableChar(i) = wxT('/'); // Want to be windows-safe @@ -236,7 +293,7 @@ static wxString MakeCorrectPath(const wxString& path) r << p.GetChar(i); if (p.GetChar(i) == wxT('/') && p.GetChar(i-1) == wxT('.') && p.GetChar(i-2) == wxT('.')) { - for (j = r.Length() - 2; j >= 0 && r.GetChar(j) != wxT('/') && r.GetChar(j) != wxT(':'); j--) {} + for (j = r.length() - 2; j >= 0 && r.GetChar(j) != wxT('/') && r.GetChar(j) != wxT(':'); j--) {} if (j >= 0 && r.GetChar(j) != wxT(':')) { for (j = j - 1; j >= 0 && r.GetChar(j) != wxT('/') && r.GetChar(j) != wxT(':'); j--) {} @@ -259,13 +316,13 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir) if (is_dir) { - if (m_Path.Length() > 0 && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':')) + if (m_Path.length() > 0 && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':')) m_Path << wxT('/'); } else { - for (i = m_Path.Length()-1; i >= 0; i--) + for (i = m_Path.length()-1; i >= 0; i--) { if (m_Path[(unsigned int) i] == wxT('/')) { @@ -287,7 +344,7 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir) } if (pathpos == -1) { - for (i = 0; i < (int) m_Path.Length(); i++) + for (i = 0; i < (int) m_Path.length(); i++) { if (m_Path[(unsigned int) i] == wxT(':')) { @@ -295,7 +352,7 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir) break; } } - if (i == (int) m_Path.Length()) + if (i == (int) m_Path.length()) m_Path = wxEmptyString; } else @@ -307,19 +364,41 @@ 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; - char meta; + wxChar meta; wxFSFile *s = NULL; - wxNode *node; + wxList::compatibility_iterator node; - ln = loc.Length(); + ln = loc.length(); meta = 0; for (i = 0; i < ln; i++) { - switch (loc[i]) + switch ( loc[i].GetValue() ) { case wxT('/') : case wxT(':') : case wxT('#') : meta = loc[i]; @@ -338,7 +417,7 @@ 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(); @@ -354,12 +433,21 @@ 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); } @@ -367,29 +455,35 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location) wxString wxFileSystem::FindFirst(const wxString& spec, int flags) { - wxNode *node; + wxList::compatibility_iterator node; wxString spec2(spec); m_FindFileHandler = NULL; - for (int i = spec2.Length()-1; i >= 0; i--) + for (int i = spec2.length()-1; i >= 0; i--) if (spec2[(unsigned int) i] == wxT('\\')) spec2.GetWritableChar(i) = wxT('/'); // Want to be windows-safe 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(); } @@ -404,52 +498,121 @@ wxString wxFileSystem::FindNext() else return m_FindFileHandler -> FindNext(); } +bool wxFileSystem::FindFileInPath(wxString *pStr, + const wxChar *path, + const wxChar *basename) +{ + // we assume that it's not empty + wxCHECK_MSG( !wxIsEmpty(basename), false, + _T("empty file name in wxFileSystem::FindFileInPath")); + + // skip path separator in the beginning of the file name if present + if ( wxIsPathSeparator(*basename) ) + basename++; + + wxStringTokenizer tokenizer(path, wxPATH_SEP); + while ( tokenizer.HasMoreTokens() ) + { + wxString strFile = tokenizer.GetNextToken(); + if ( !wxEndsWithPathSeparator(strFile) ) + strFile += wxFILE_SEP_PATH; + strFile += basename; + + wxFSFile *file = OpenFile(strFile); + if ( file ) + { + delete file; + *pStr = strFile; + return true; + } + } + return false; +} 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(); + node; node = node->GetNext() ) + { + wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData(); + if (h->CanOpen(location)) + return true; + } + + return false; +} + void wxFileSystem::CleanUpHandlers() { - m_Handlers.DeleteContents(TRUE); - m_Handlers.Clear(); + WX_CLEAR_LIST(wxList, m_Handlers); } -const static wxString g_unixPathString(wxT("/")); -const static wxString g_nativePathString(wxFILE_SEP_PATH); +static const wxString g_unixPathString(wxT("/")); +static const wxString g_nativePathString(wxFILE_SEP_PATH); // Returns the native path for a file URL wxFileName wxFileSystem::URLToFileName(const wxString& url) { - wxString path = url; + wxString path = url; + + if ( path.Find(wxT("file://")) == 0 ) + { + path = path.Mid(7); + } + else if ( path.Find(wxT("file:")) == 0 ) + { + path = path.Mid(5); + } + // Remove preceding double slash on Mac Classic +#if defined(__WXMAC__) && !defined(__UNIX__) + else if ( path.Find(wxT("//")) == 0 ) + path = path.Mid(2); +#endif - if ( path.Find(wxT("file://")) == 0 ) - { - path = path.Mid(7); - } + path.Replace(wxT("%25"), wxT("%")); + path.Replace(wxT("%3A"), wxT(":")); #ifdef __WXMSW__ - // file urls either start with a forward slash (local harddisk), + // file urls either start with a forward slash (local harddisk), // otherwise they have a servername/sharename notation, // which only exists on msw and corresponds to a unc - if ( path[0u] == wxT('/') && path [1u] != wxT('/')) - { - path = path.Mid(1); - } - else if ( (url.Find(wxT("file://")) == 0) && + if ( path[0u] == wxT('/') && path [1u] != wxT('/')) + { + path = path.Mid(1); + } + else if ( (url.Find(wxT("file://")) == 0) && (path.Find(wxT('/')) != wxNOT_FOUND) && - (path.Length() > 1) && (path[1u] != wxT(':')) ) - { - path = wxT("//") + path; - } + (path.length() > 1) && (path[1u] != wxT(':')) ) + { + path = wxT("//") + path; + } #endif - path.Replace(g_unixPathString, g_nativePathString); + path.Replace(g_unixPathString, g_nativePathString); - return wxFileName(path, wxPATH_NATIVE); + return wxFileName(path, wxPATH_NATIVE); } // Returns the file URL for a native path @@ -459,20 +622,26 @@ wxString wxFileSystem::FileNameToURL(const wxFileName& filename) fn.Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_TILDE | wxPATH_NORM_ABSOLUTE); wxString url = fn.GetFullPath(wxPATH_NATIVE); -#ifdef __WXMSW__ - // unc notation - if ( url.Find(wxT("\\\\")) == 0 ) +#ifndef __UNIX__ + // unc notation, wxMSW + if ( url.Find(wxT("\\\\")) == 0 ) { - url = url.Mid(2); + url = wxT("//") + url.Mid(2); } else { url = wxT("/") + url; +#ifdef __WXMAC__ + url = wxT("/") + url; +#endif + } #endif url.Replace(g_nativePathString, g_unixPathString); - url = wxT("file://") + url; + url.Replace(wxT("%"), wxT("%25")); + url.Replace(wxT(":"), wxT("%3A")); + url = wxT("file:") + url; return url; } @@ -484,61 +653,31 @@ class wxFileSystemModule : public wxModule DECLARE_DYNAMIC_CLASS(wxFileSystemModule) public: - virtual bool OnInit() + wxFileSystemModule() : + wxModule(), + m_handler(NULL) { - wxFileSystem::AddHandler(new wxLocalFSHandler); + } - #if wxUSE_MIMETYPE - gs_FSMimeFallbacks = new wxFileTypeInfo[6]; - gs_FSMimeFallbacks[0] = - wxFileTypeInfo(_T("image/jpeg"), - _T(""), - _T(""), - _T("JPEG image (from fallback)"), - _T("jpg"), _T("jpeg"), NULL); - gs_FSMimeFallbacks[1] = - wxFileTypeInfo(_T("image/gif"), - _T(""), - _T(""), - _T("GIF image (from fallback)"), - _T("gif"), NULL); - gs_FSMimeFallbacks[2] = - wxFileTypeInfo(_T("image/png"), - _T(""), - _T(""), - _T("PNG image (from fallback)"), - _T("png"), NULL); - gs_FSMimeFallbacks[3] = - wxFileTypeInfo(_T("image/bmp"), - _T(""), - _T(""), - _T("windows bitmap image (from fallback)"), - _T("bmp"), NULL); - gs_FSMimeFallbacks[4] = - wxFileTypeInfo(_T("text/html"), - _T(""), - _T(""), - _T("HTML document (from fallback)"), - _T("htm"), _T("html"), NULL); - gs_FSMimeFallbacks[5] = - // must terminate the table with this! - wxFileTypeInfo(); - #endif - return TRUE; + virtual bool OnInit() + { + m_handler = new wxLocalFSHandler; + wxFileSystem::AddHandler(m_handler); + return true; } virtual void OnExit() { - #if wxUSE_MIMETYPE - delete [] gs_FSMimeFallbacks; - #endif + delete wxFileSystem::RemoveHandler(m_handler); + wxFileSystem::CleanUpHandlers(); } + + private: + wxFileSystemHandler* m_handler; + }; IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule) #endif // wxUSE_FILESYSTEM - - -