// Purpose: wxFileSystem class - interface for opening files
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
+// CVS-ID: $Id$
// Licence: wxWindows Licence
/////////////////////////////////////////////////////////////////////////////
#pragma hdrstop
#endif
-#if (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"
+
+
+
//--------------------------------------------------------------------------------
// wxFileSystemHandler
IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
-wxMimeTypesManager wxFileSystemHandler::m_MimeMng;
-
wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
{
l2 = l;
for (int i = l-1; i >= 0; i--) {
- c = loc[i];
- if (c == _T('#')) l2 = i + 1;
- if (c == _T('.')) {ext = loc.Right(l2-i-1); break;}
- if ((c == _T('/')) || (c == _T('\\')) || (c == _T(':'))) {return wxEmptyString;}
+ 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;}
}
- ft = m_MimeMng.GetFileTypeFromExtension(ext);
- if (ft && (ft -> GetMimeType(&mime))) return mime;
- else return wxEmptyString;
+
+ static bool s_MinimalMimeEnsured = FALSE;
+ if (!s_MinimalMimeEnsured) {
+ static const wxFileTypeInfo fallbacks[] =
+ {
+ 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()
+ };
+
+ wxTheMimeTypesManager -> AddFallbacks(fallbacks);
+ }
+
+ ft = wxTheMimeTypesManager -> GetFileTypeFromExtension(ext);
+ if ( !ft || !ft -> GetMimeType(&mime) ) {
+ mime = wxEmptyString;
+ }
+
+ delete ft;
+
+ return mime;
}
bool fnd;
fnd = FALSE;
- for (i = l-1; (i >= 0) && ((location[i] != _T('#')) || (!fnd)); i--) {
- if ((location[i] == _T(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE;
+ for (i = l-1; (i >= 0) && ((location[i] != wxT('#')) || (!fnd)); i--) {
+ if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE;
}
- if (!fnd) return _T("file");
- for (++i; (i < l) && (location[i] != _T(':')); i++) s << location[i];
+ if (!fnd) return wxT("file");
+ for (++i; (i < l) && (location[i] != wxT(':')); i++) s << location[i];
return s;
}
fnd = FALSE;
for (i = location.Length()-1; i >= 0; i--) {
- if ((location[i] == _T(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE;
- else if (fnd && (location[i] == _T('#'))) return location.Left(i);
+ if ((location[i] == wxT(':')) && (i != 1 /*win: C:\path*/)) fnd = TRUE;
+ else if (fnd && (location[i] == wxT('#'))) return location.Left(i);
}
return wxEmptyString;
}
{
int i, l = location.Length();
int l2 = l + 1;
- for (i = l-1; (i >= 0) && ((location[i] != _T(':')) || (i == 1) || (location[i-2] == _T(':'))); i--) {if (location[i] == _T('#')) 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);
}
for (int i = l-1; i >= 0; i--) {
c = location[i];
- if (c == _T('#')) return location.Right(l-i-1);
- else if ((c == _T('.')) || (c == _T('/')) || (c == _T('\\')) || (c == _T(':'))) return wxEmptyString;
+ if (c == wxT('#')) return location.Right(l-i-1);
+ else if ((c == wxT('.')) || (c == wxT('/')) || (c == wxT('\\')) || (c == wxT(':'))) return wxEmptyString;
}
return wxEmptyString;
}
+
+wxString wxFileSystemHandler::FindFirst(const wxString& WXUNUSED(spec),
+ int WXUNUSED(flags))
+{
+ return wxEmptyString;
+}
+
+wxString wxFileSystemHandler::FindNext()
+{
+ return wxEmptyString;
+}
+
//--------------------------------------------------------------------------------
// wxLocalFSHandler
//--------------------------------------------------------------------------------
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();
};
bool wxLocalFSHandler::CanOpen(const wxString& location)
{
- return GetProtocol(location) == _T("file");
+ return GetProtocol(location) == wxT("file");
}
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;
+ if (!wxFileExists(right))
+ return (wxFSFile*) NULL;
+
+ return new wxFSFile(new wxFileInputStream(right),
+ right,
+ GetMimeTypeFromExt(location),
+ GetAnchor(location),
+ wxDateTime(wxFileModificationTime(right)));
+
+}
+
+wxString wxLocalFSHandler::FindFirst(const wxString& spec, int flags)
+{
+ wxString right = GetRightLocation(spec);
+ return wxFindFirstFile(right, flags);
}
+wxString wxLocalFSHandler::FindNext()
+{
+ return wxFindNextFile();
+}
+
+
+
//-----------------------------------------------------------------------------
// wxFileSystem
//-----------------------------------------------------------------------------
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[i] == _T('\\')) m_Path.GetWritableChar(i) = _T('/'); // wanna be windows-safe
+ m_Path = MakeCorrectPath(location);
- if (is_dir == FALSE)
+ if (is_dir)
{
- for (i = m_Path.Length()-1; i >= 0; i--)
- {
- if (m_Path[i] == _T('/'))
- {
- if ((i > 1) && (m_Path[i-1] == _T('/')) && (m_Path[i-2] == _T(':')))
- {
+ 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--)
+ {
+ 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;
+ else
+ {
+ pathpos = i;
break;
}
}
- else if (m_Path[i] == _T(':')) {
- pathpos = i;
- break;
+ else if (m_Path[(unsigned int) i] == wxT(':')) {
+ pathpos = i;
+ break;
+ }
}
- }
- if (pathpos == -1)
- {
- for (i = 0; i < (int) m_Path.Length(); i++)
- {
- if (m_Path[i] == _T(':'))
- {
- //m_Path << _T('/');
+ 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;
+ if (i == (int) m_Path.Length())
+ m_Path = wxEmptyString;
}
- else
- {
- if (m_Path[m_Path.Length()-1] != _T('/'))
- m_Path << _T('/');
+ 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;
ln = loc.Length();
meta = 0;
- for (i = 0; i < ln; i++)
+ for (i = 0; i < ln; i++)
{
- if (loc[i] == _T('\\')) loc.GetWritableChar(i) = _T('/'); // wanna be windows-safe
- if (!meta) switch (loc[i])
- {
- case _T('/') : case _T(':') : case _T('#') : meta = loc[i];
+ switch (loc[i])
+ {
+ case wxT('/') : case wxT(':') : case wxT('#') :
+ meta = loc[i];
+ break;
}
+ if (meta != 0) break;
}
m_LastName = wxEmptyString;
// try relative paths first :
- if (meta != _T(':'))
+ if (meta != wxT(':'))
{
node = m_Handlers.GetFirst();
while (node)
- {
+ {
wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
- if (h->CanOpen(m_Path + location))
- {
- s = h->OpenFile(*this, m_Path + location);
- if (s) { m_LastName = m_Path + location; break; }
+ if (h->CanOpen(m_Path + loc))
+ {
+ s = h->OpenFile(*this, m_Path + loc);
+ if (s) { m_LastName = m_Path + loc; break; }
}
node = node->GetNext();
}
}
// if failed, try absolute paths :
- if (s == NULL)
+ if (s == NULL)
{
node = m_Handlers.GetFirst();
while (node)
- {
+ {
wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData();
- if (h->CanOpen(location))
- {
- s = h->OpenFile(*this, location);
- if (s) { m_LastName = location; break; }
+ if (h->CanOpen(loc))
+ {
+ s = h->OpenFile(*this, loc);
+ if (s) { m_LastName = loc; break; }
}
node = node->GetNext();
}
}
+
+wxString wxFileSystem::FindFirst(const wxString& spec, int flags)
+{
+ 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('/'); // Want to be windows-safe
+
+ node = m_Handlers.GetFirst();
+ while (node)
+ {
+ m_FindFileHandler = (wxFileSystemHandler*) node -> GetData();
+ if (m_FindFileHandler -> CanOpen(m_Path + spec2))
+ 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))
+ return m_FindFileHandler -> FindFirst(spec2, flags);
+ node = node->GetNext();
+ }
+
+ return wxEmptyString;
+}
+
+
+
+wxString wxFileSystem::FindNext()
+{
+ if (m_FindFileHandler == NULL) return wxEmptyString;
+ else return m_FindFileHandler -> FindNext();
+}
+
+
+
void wxFileSystem::AddHandler(wxFileSystemHandler *handler)
{
m_Handlers.Append(handler);
}
+void wxFileSystem::CleanUpHandlers()
+{
+ m_Handlers.DeleteContents(TRUE);
+ m_Handlers.Clear();
+}
+
+
+
///// Module:
wxFileSystem::AddHandler(new wxLocalFSHandler);
return TRUE;
}
- virtual void OnExit() {}
+ virtual void OnExit()
+ {
+ wxFileSystem::CleanUpHandlers();
+ }
};
IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
-#endif
- // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#endif
+ // wxUSE_FILESYSTEM
+
+
projects / wxWidgets.git / blobdiff