// Purpose: wxFileSystem class - interface for opening files
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
+// CVS-ID: $Id$
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation
+#pragma implementation "filesys.h"
#endif
#include "wx/wxprec.h"
#pragma hdrstop
#endif
-#if !wxUSE_SOCKETS
- #undef wxUSE_FS_INET
- #define wxUSE_FS_INET 0
-#endif
-#if (wxUSE_HTML || wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#if wxUSE_FILESYSTEM
#include "wx/wfstream.h"
#include "wx/module.h"
#include "wx/filesys.h"
+#include "wx/mimetype.h"
+#include "wx/filename.h"
+
+
//--------------------------------------------------------------------------------
// wxFileSystemHandler
IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
-wxMimeTypesManager *wxFileSystemHandler::m_MimeMng = NULL;
-
-void wxFileSystemHandler::CleanUpStatics()
-{
- if (m_MimeMng) delete m_MimeMng;
- m_MimeMng = NULL;
-}
+#if wxUSE_MIMETYPE
+static wxFileTypeInfo *gs_FSMimeFallbacks = NULL;
+#endif
wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
{
- wxString ext = wxEmptyString, mime = wxEmptyString;
+ wxString ext, mime;
wxString loc = GetRightLocation(location);
char c;
int l = loc.Length(), l2;
- wxFileType *ft;
l2 = l;
- for (int i = l-1; i >= 0; i--) {
+ for (int i = l-1; i >= 0; i--)
+ {
c = loc[(unsigned int) i];
- if (c == wxT('#')) l2 = i + 1;
- if (c == wxT('.')) {ext = loc.Right(l2-i-1); break;}
- if ((c == wxT('/')) || (c == wxT('\\')) || (c == wxT(':'))) {return wxEmptyString;}
- }
-
- if (m_MimeMng == NULL) {
- m_MimeMng = new wxMimeTypesManager;
-
- static const wxFileTypeInfo fallbacks[] =
+ if ( c == wxT('#') )
+ l2 = i + 1;
+ if ( c == wxT('.') )
{
- wxFileTypeInfo("image/jpeg",
- "",
- "",
- "JPEG image (from fallback)",
- "jpg", "jpeg", NULL),
- wxFileTypeInfo("image/gif",
- "",
- "",
- "GIF image (from fallback)",
- "gif", NULL),
- wxFileTypeInfo("image/png",
- "",
- "",
- "PNG image (from fallback)",
- "png", NULL),
- wxFileTypeInfo("image/bmp",
- "",
- "",
- "windows bitmap image (from fallback)",
- "bmp", NULL),
- wxFileTypeInfo("text/html",
- "",
- "",
- "HTML document (from fallback)",
- "htm", "html", NULL),
-
- // must terminate the table with this!
- wxFileTypeInfo()
- };
-
- m_MimeMng -> AddFallbacks(fallbacks);
+ ext = loc.Right(l2-i-1);
+ break;
+ }
+ if ( (c == wxT('/')) || (c == wxT('\\')) || (c == wxT(':')) )
+ return wxEmptyString;
}
- ft = m_MimeMng -> GetFileTypeFromExtension(ext);
- if (ft && (ft -> GetMimeType(&mime))) {
- delete ft;
- return mime;
+#if wxUSE_MIMETYPE
+ static bool s_MinimalMimeEnsured = FALSE;
+ if (!s_MinimalMimeEnsured) {
+ wxTheMimeTypesManager->AddFallbacks(gs_FSMimeFallbacks);
+ s_MinimalMimeEnsured = TRUE;
}
- else {
- delete ft;
- return wxEmptyString;
+
+ wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
+ if ( !ft || !ft -> GetMimeType(&mime) )
+ {
+ mime = wxEmptyString;
}
+
+ delete ft;
+
+ return mime;
+#else
+ 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) )
+ return wxT("image/jpeg");
+ if ( ext.IsSameAs(wxT("gif"), FALSE) )
+ return wxT("image/gif");
+ if ( ext.IsSameAs(wxT("png"), FALSE) )
+ return wxT("image/png");
+ if ( ext.IsSameAs(wxT("bmp"), FALSE) )
+ return wxT("image/bmp");
+ return wxEmptyString;
+#endif
}
// wxLocalFSHandler
//--------------------------------------------------------------------------------
-class wxLocalFSHandler : public wxFileSystemHandler
-{
- public:
- virtual bool CanOpen(const wxString& location);
- virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
- virtual wxString FindFirst(const wxString& spec, int flags = 0);
- virtual wxString FindNext();
-};
+wxString wxLocalFSHandler::ms_root;
bool wxLocalFSHandler::CanOpen(const wxString& location)
{
wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
{
- wxString right = GetRightLocation(location);
- if (wxFileExists(right))
- return new wxFSFile(new wxFileInputStream(right),
- right,
- GetMimeTypeFromExt(location),
- GetAnchor(location));
- else return (wxFSFile*) NULL;
+ // location has Unix path separators
+ wxString right = ms_root + GetRightLocation(location);
+ wxFileName fn(right, wxPATH_UNIX);
+
+ if (!wxFileExists(fn.GetFullPath()))
+ return (wxFSFile*) NULL;
+
+ return new wxFSFile(new wxFFileInputStream(fn.GetFullPath()),
+ right,
+ GetMimeTypeFromExt(location),
+ GetAnchor(location),
+ wxDateTime(wxFileModificationTime(fn.GetFullPath())));
+
}
wxString wxLocalFSHandler::FindFirst(const wxString& spec, int flags)
{
- wxString right = GetRightLocation(spec);
+ wxString right = ms_root + GetRightLocation(spec);
return wxFindFirstFile(right, flags);
}
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxFileSystem, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxFSFile, wxObject)
wxList wxFileSystem::m_Handlers;
+static wxString MakeCorrectPath(const wxString& path)
+{
+ wxString p(path);
+ wxString r;
+ int i, j, cnt;
+
+ cnt = p.Length();
+ for (i = 0; i < cnt; i++)
+ if (p.GetChar(i) == wxT('\\')) p.GetWritableChar(i) = wxT('/'); // Want to be windows-safe
+
+ if (p.Left(2) == wxT("./")) { p = p.Mid(2); cnt -= 2; }
+
+ if (cnt < 3) return p;
+
+ r << p.GetChar(0) << p.GetChar(1);
+
+ // skip trailing ../.., if any
+ for (i = 2; i < cnt && (p.GetChar(i) == wxT('/') || p.GetChar(i) == wxT('.')); i++) r << p.GetChar(i);
+
+ // remove back references: translate dir1/../dir2 to dir2
+ for (; i < cnt; i++)
+ {
+ 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--) {}
+ if (j >= 0 && r.GetChar(j) != wxT(':'))
+ {
+ for (j = j - 1; j >= 0 && r.GetChar(j) != wxT('/') && r.GetChar(j) != wxT(':'); j--) {}
+ r.Remove(j + 1);
+ }
+ }
+ }
+
+ for (; i < cnt; i++) r << p.GetChar(i);
+
+ return r;
+}
+
void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir)
{
int i, pathpos = -1;
- m_Path = location;
- for (i = m_Path.Length()-1; i >= 0; i--)
- if (m_Path[(unsigned int) i] == wxT('\\')) m_Path.GetWritableChar(i) = wxT('/'); // wanna be windows-safe
+ m_Path = MakeCorrectPath(location);
if (is_dir)
{
if (m_Path.Length() > 0 && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':'))
- m_Path << wxT('/');
+ m_Path << wxT('/');
}
-
+
else
{
for (i = m_Path.Length()-1; i >= 0; i--)
- {
+ {
if (m_Path[(unsigned int) i] == wxT('/'))
- {
+ {
if ((i > 1) && (m_Path[(unsigned int) (i-1)] == wxT('/')) && (m_Path[(unsigned int) (i-2)] == wxT(':')))
- {
+ {
i -= 2;
continue;
}
else
- {
+ {
pathpos = i;
break;
}
}
}
if (pathpos == -1)
- {
+ {
for (i = 0; i < (int) m_Path.Length(); i++)
- {
+ {
if (m_Path[(unsigned int) i] == wxT(':'))
- {
+ {
m_Path.Remove(i+1);
break;
}
}
if (i == (int) m_Path.Length())
- m_Path = wxEmptyString;
+ m_Path = wxEmptyString;
}
else
- {
+ {
m_Path.Remove(pathpos+1);
}
}
wxFSFile* wxFileSystem::OpenFile(const wxString& location)
{
- wxString loc = location;
- int i, ln;
+ wxString loc = MakeCorrectPath(location);
+ unsigned i, ln;
char meta;
wxFSFile *s = NULL;
wxNode *node;
meta = 0;
for (i = 0; i < ln; i++)
{
- if (loc[(unsigned int) i] == wxT('\\')) loc.GetWritableChar(i) = wxT('/'); // wanna be windows-safe
- if (!meta)
- switch (loc[(unsigned int) i])
- {
- case wxT('/') : case wxT(':') : case wxT('#') : meta = loc[(unsigned int) i];
- }
+ switch (loc[i])
+ {
+ case wxT('/') : case wxT(':') : case wxT('#') :
+ meta = loc[i];
+ break;
+ }
+ if (meta != 0) break;
}
m_LastName = wxEmptyString;
{
node = m_Handlers.GetFirst();
while (node)
- {
+ {
wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
if (h->CanOpen(m_Path + loc))
- {
+ {
s = h->OpenFile(*this, m_Path + loc);
if (s) { m_LastName = m_Path + loc; break; }
}
{
node = m_Handlers.GetFirst();
while (node)
- {
+ {
wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData();
if (h->CanOpen(loc))
- {
+ {
s = h->OpenFile(*this, loc);
if (s) { m_LastName = loc; break; }
}
{
wxNode *node;
wxString spec2(spec);
-
+
m_FindFileHandler = NULL;
for (int i = spec2.Length()-1; i >= 0; i--)
- if (spec2[(unsigned int) i] == wxT('\\')) spec2.GetWritableChar(i) = wxT('/'); // wanna be windows-safe
+ 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))
+ if (m_FindFileHandler -> CanOpen(m_Path + spec2))
return m_FindFileHandler -> FindFirst(m_Path + spec2, flags);
node = node->GetNext();
- }
+ }
node = m_Handlers.GetFirst();
while (node)
if (m_FindFileHandler -> CanOpen(spec2))
return m_FindFileHandler -> FindFirst(spec2, flags);
node = node->GetNext();
- }
-
- return wxEmptyString;
+ }
+
+ return wxEmptyString;
}
virtual bool OnInit()
{
wxFileSystem::AddHandler(new wxLocalFSHandler);
+
+ #if wxUSE_MIMETYPE
+ gs_FSMimeFallbacks = new wxFileTypeInfo[6];
+ gs_FSMimeFallbacks[0] =
+ wxFileTypeInfo("image/jpeg",
+ "",
+ "",
+ "JPEG image (from fallback)",
+ "jpg", "jpeg", NULL);
+ gs_FSMimeFallbacks[1] =
+ wxFileTypeInfo("image/gif",
+ "",
+ "",
+ "GIF image (from fallback)",
+ "gif", NULL);
+ gs_FSMimeFallbacks[2] =
+ wxFileTypeInfo("image/png",
+ "",
+ "",
+ "PNG image (from fallback)",
+ "png", NULL);
+ gs_FSMimeFallbacks[3] =
+ wxFileTypeInfo("image/bmp",
+ "",
+ "",
+ "windows bitmap image (from fallback)",
+ "bmp", NULL);
+ gs_FSMimeFallbacks[4] =
+ wxFileTypeInfo("text/html",
+ "",
+ "",
+ "HTML document (from fallback)",
+ "htm", "html", NULL);
+ gs_FSMimeFallbacks[5] =
+ // must terminate the table with this!
+ wxFileTypeInfo();
+ #endif
return TRUE;
}
virtual void OnExit()
- {
- wxFileSystemHandler::CleanUpStatics();
+ {
+ #if wxUSE_MIMETYPE
+ delete [] gs_FSMimeFallbacks;
+ #endif
wxFileSystem::CleanUpHandlers();
- }
+ }
};
IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
#endif
- // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+ // wxUSE_FILESYSTEM
projects / wxWidgets.git / blobdiff