719 lines
19 KiB
C++
719 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////////
|
|
// Name: src/common/filesys.cpp
|
|
// Purpose: wxFileSystem class - interface for opening files
|
|
// Author: Vaclav Slavik
|
|
// Copyright: (c) 1999 Vaclav Slavik
|
|
// Licence: wxWindows licence
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
#include "wx/wxprec.h"
|
|
|
|
#ifdef __BORLANDC__
|
|
#pragma hdrstop
|
|
#endif
|
|
|
|
|
|
#if wxUSE_FILESYSTEM
|
|
|
|
#include "wx/filesys.h"
|
|
|
|
#ifndef WX_PRECOMP
|
|
#include "wx/log.h"
|
|
#include "wx/module.h"
|
|
#endif
|
|
|
|
#include "wx/sysopt.h"
|
|
#include "wx/wfstream.h"
|
|
#include "wx/mimetype.h"
|
|
#include "wx/filename.h"
|
|
#include "wx/tokenzr.h"
|
|
#include "wx/private/fileback.h"
|
|
#include "wx/utils.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
|
|
// ----------------------------------------------------------------------------
|
|
|
|
wxIMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject);
|
|
|
|
|
|
/* static */
|
|
wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
|
|
{
|
|
wxString ext, mime;
|
|
wxString loc = GetRightLocation(location);
|
|
int l = loc.length(), l2;
|
|
|
|
l2 = l;
|
|
for (int i = l-1; i >= 0; i--)
|
|
{
|
|
wxChar c;
|
|
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 wxUSE_MIMETYPE
|
|
static bool s_MinimalMimeEnsured = false;
|
|
|
|
// Don't use mime types manager if the application doesn't need it and it would be
|
|
// cause an unacceptable delay, especially on startup.
|
|
#if wxUSE_SYSTEM_OPTIONS
|
|
if ( !wxSystemOptions::GetOptionInt(wxT("filesys.no-mimetypesmanager")) )
|
|
#endif
|
|
{
|
|
if (!s_MinimalMimeEnsured)
|
|
{
|
|
static const wxFileTypeInfo fallbacks[] =
|
|
{
|
|
wxFileTypeInfo(wxT("image/jpeg"),
|
|
wxEmptyString,
|
|
wxEmptyString,
|
|
wxT("JPEG image (from fallback)"),
|
|
wxT("jpg"), wxT("jpeg"), wxT("JPG"), wxT("JPEG"), wxNullPtr),
|
|
wxFileTypeInfo(wxT("image/gif"),
|
|
wxEmptyString,
|
|
wxEmptyString,
|
|
wxT("GIF image (from fallback)"),
|
|
wxT("gif"), wxT("GIF"), wxNullPtr),
|
|
wxFileTypeInfo(wxT("image/png"),
|
|
wxEmptyString,
|
|
wxEmptyString,
|
|
wxT("PNG image (from fallback)"),
|
|
wxT("png"), wxT("PNG"), wxNullPtr),
|
|
wxFileTypeInfo(wxT("image/bmp"),
|
|
wxEmptyString,
|
|
wxEmptyString,
|
|
wxT("windows bitmap image (from fallback)"),
|
|
wxT("bmp"), wxT("BMP"), wxNullPtr),
|
|
wxFileTypeInfo(wxT("text/html"),
|
|
wxEmptyString,
|
|
wxEmptyString,
|
|
wxT("HTML document (from fallback)"),
|
|
wxT("htm"), wxT("html"), wxT("HTM"), wxT("HTML"), wxNullPtr),
|
|
// must terminate the table with this!
|
|
wxFileTypeInfo()
|
|
};
|
|
wxTheMimeTypesManager->AddFallbacks(fallbacks);
|
|
s_MinimalMimeEnsured = true;
|
|
}
|
|
|
|
wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
|
|
if ( !ft || !ft -> GetMimeType(&mime) )
|
|
{
|
|
mime.clear();
|
|
}
|
|
|
|
delete ft;
|
|
|
|
return mime;
|
|
}
|
|
#endif // wxUSE_MIMETYPE
|
|
|
|
// Without wxUSE_MIMETYPE, recognize just a few hardcoded special cases.
|
|
if ( ext.IsSameAs(wxT("htm"), false) || ext.IsSameAs(wxT("html"), false) )
|
|
return wxT("text/html");
|
|
if ( ext.IsSameAs(wxT("jpg"), false) || ext.IsSameAs(wxT("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 wxString();
|
|
}
|
|
|
|
|
|
|
|
/* static */
|
|
wxString wxFileSystemHandler::GetProtocol(const wxString& location)
|
|
{
|
|
wxString s;
|
|
int i, l = location.length();
|
|
bool 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 (!fnd) return wxT("file");
|
|
for (++i; (i < l) && (location[i] != wxT(':')); i++) s << location[i];
|
|
return s;
|
|
}
|
|
|
|
|
|
/* static */
|
|
wxString wxFileSystemHandler::GetLeftLocation(const wxString& location)
|
|
{
|
|
int i;
|
|
bool fnd = false;
|
|
|
|
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;
|
|
}
|
|
|
|
/* static */
|
|
wxString wxFileSystemHandler::GetRightLocation(const wxString& location)
|
|
{
|
|
int i, len = location.length();
|
|
for (i = len-1; i >= 0; i--)
|
|
{
|
|
if (location[i] == wxT('#'))
|
|
len = i;
|
|
if (location[i] != wxT(':'))
|
|
continue;
|
|
|
|
// C: on Windows
|
|
if (i == 1)
|
|
continue;
|
|
if (i >= 2 && wxIsalpha(location[i-1]) && location[i-2] == wxT('/'))
|
|
continue;
|
|
|
|
// Could be the protocol
|
|
break;
|
|
}
|
|
if (i == 0) return wxEmptyString;
|
|
|
|
const static wxString protocol(wxT("file:"));
|
|
if (i < (int)protocol.length() - 1 || location.compare(0, i + 1, protocol))
|
|
return location.Mid(i + 1, len - i - 1);
|
|
|
|
int s = ++i; // Start position
|
|
// Check if there are three '/'s after "file:"
|
|
int end = wxMin(len, s + 3);
|
|
while (i < end && location[i] == wxT('/'))
|
|
i++;
|
|
if (i == s + 2) // Host is specified, e.g. "file://host/path"
|
|
return location.Mid(s, len - s);
|
|
if (i > s)
|
|
{
|
|
// Remove the last '/' if it is preceding "C:/...".
|
|
// Otherwise, keep it.
|
|
if (i + 1 >= len || location[i + 1] != wxT(':'))
|
|
i--;
|
|
else if (i + 4 < len)
|
|
{
|
|
// Check if ':' was encoded
|
|
const static wxString colonLower(wxT("%3a"));
|
|
const static wxString colonUpper(wxT("%3A"));
|
|
wxString sub =location.Mid(i + 1, 3);
|
|
if (sub == colonLower || sub == colonUpper)
|
|
i--;
|
|
}
|
|
}
|
|
return location.Mid(i, len - i);
|
|
}
|
|
|
|
/* static */
|
|
wxString wxFileSystemHandler::GetAnchor(const wxString& location)
|
|
{
|
|
int l = location.length();
|
|
|
|
for (int i = l-1; i >= 0; i--) {
|
|
wxChar c;
|
|
c = location[i];
|
|
if (c == wxT('#'))
|
|
return location.Right(l-i-1);
|
|
else if ((c == wxT('/')) || (c == wxT('\\')) || (c == wxT(':')))
|
|
break;
|
|
}
|
|
return wxEmptyString;
|
|
}
|
|
|
|
|
|
wxString wxFileSystemHandler::FindFirst(const wxString& WXUNUSED(spec),
|
|
int WXUNUSED(flags))
|
|
{
|
|
return wxEmptyString;
|
|
}
|
|
|
|
wxString wxFileSystemHandler::FindNext()
|
|
{
|
|
return wxEmptyString;
|
|
}
|
|
|
|
//--------------------------------------------------------------------------------
|
|
// wxLocalFSHandler
|
|
//--------------------------------------------------------------------------------
|
|
|
|
|
|
wxString wxLocalFSHandler::ms_root;
|
|
|
|
bool wxLocalFSHandler::CanOpen(const wxString& location)
|
|
{
|
|
return GetProtocol(location) == wxT("file");
|
|
}
|
|
|
|
wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString& location)
|
|
{
|
|
// location has Unix path separators
|
|
wxString right = GetRightLocation(location);
|
|
wxFileName fn = wxFileName::URLToFileName(right);
|
|
wxString fullpath = ms_root + fn.GetFullPath();
|
|
|
|
if (!wxFileExists(fullpath))
|
|
return NULL;
|
|
|
|
// 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->IsOk() )
|
|
{
|
|
delete is;
|
|
return NULL;
|
|
}
|
|
|
|
return new wxFSFile(is,
|
|
location,
|
|
wxEmptyString,
|
|
GetAnchor(location)
|
|
#if wxUSE_DATETIME
|
|
,wxDateTime(wxFileModificationTime(fullpath))
|
|
#endif // wxUSE_DATETIME
|
|
);
|
|
}
|
|
|
|
wxString wxLocalFSHandler::FindFirst(const wxString& spec, int flags)
|
|
{
|
|
wxFileName fn = wxFileName::URLToFileName(GetRightLocation(spec));
|
|
const wxString found = wxFindFirstFile(ms_root + fn.GetFullPath(), flags);
|
|
if ( found.empty() )
|
|
return found;
|
|
return wxFileSystem::FileNameToURL(found);
|
|
}
|
|
|
|
wxString wxLocalFSHandler::FindNext()
|
|
{
|
|
const wxString found = wxFindNextFile();
|
|
if ( found.empty() )
|
|
return found;
|
|
return wxFileSystem::FileNameToURL(found);
|
|
}
|
|
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// wxFileSystem
|
|
//-----------------------------------------------------------------------------
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxFileSystem, wxObject);
|
|
wxIMPLEMENT_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();
|
|
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)
|
|
{
|
|
|
|
m_Path = MakeCorrectPath(location);
|
|
|
|
if (is_dir)
|
|
{
|
|
if (!m_Path.empty() && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':'))
|
|
m_Path << wxT('/');
|
|
}
|
|
else
|
|
{
|
|
int i, pathpos = -1;
|
|
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;
|
|
}
|
|
}
|
|
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[(unsigned int) i] == wxT(':'))
|
|
{
|
|
m_Path.Remove(i+1);
|
|
break;
|
|
}
|
|
}
|
|
if (i == (int) m_Path.length())
|
|
m_Path.clear();
|
|
}
|
|
else
|
|
{
|
|
m_Path.Remove(pathpos+1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
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;
|
|
wxFSFile *s = NULL;
|
|
wxList::compatibility_iterator node;
|
|
|
|
ln = loc.length();
|
|
meta = 0;
|
|
for (i = 0; i < ln; i++)
|
|
{
|
|
switch ( loc[i].GetValue() )
|
|
{
|
|
case wxT('/') : case wxT(':') : case wxT('#') :
|
|
meta = loc[i];
|
|
break;
|
|
}
|
|
if (meta != 0) break;
|
|
}
|
|
m_LastName.clear();
|
|
|
|
// try relative paths first :
|
|
if (meta != wxT(':'))
|
|
{
|
|
node = m_Handlers.GetFirst();
|
|
while (node)
|
|
{
|
|
wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
|
|
if (h->CanOpen(m_Path + loc))
|
|
{
|
|
s = MakeLocal(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)
|
|
{
|
|
node = m_Handlers.GetFirst();
|
|
while (node)
|
|
{
|
|
wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData();
|
|
if (h->CanOpen(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);
|
|
}
|
|
|
|
|
|
|
|
wxString wxFileSystem::FindFirst(const wxString& spec, int flags)
|
|
{
|
|
wxList::compatibility_iterator 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)
|
|
{
|
|
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)
|
|
{
|
|
wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
|
|
if (h -> CanOpen(spec2))
|
|
{
|
|
m_FindFileHandler = MakeLocal(h);
|
|
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();
|
|
}
|
|
|
|
bool wxFileSystem::FindFileInPath(wxString *pStr,
|
|
const wxString& path,
|
|
const wxString& basename)
|
|
{
|
|
// we assume that it's not empty
|
|
wxCHECK_MSG( !basename.empty(), false,
|
|
wxT("empty file name in wxFileSystem::FindFileInPath"));
|
|
|
|
wxString name;
|
|
// skip path separator in the beginning of the file name if present
|
|
if ( wxIsPathSeparator(basename[0u]) )
|
|
name = basename.substr(1);
|
|
else
|
|
name = basename;
|
|
|
|
wxStringTokenizer tokenizer(path, wxPATH_SEP);
|
|
while ( tokenizer.HasMoreTokens() )
|
|
{
|
|
wxString strFile = tokenizer.GetNextToken();
|
|
if ( !wxEndsWithPathSeparator(strFile) )
|
|
strFile += wxFILE_SEP_PATH;
|
|
strFile += name;
|
|
|
|
wxFSFile *file = OpenFile(strFile);
|
|
if ( file )
|
|
{
|
|
delete file;
|
|
*pStr = strFile;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void wxFileSystem::AddHandler(wxFileSystemHandler *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()
|
|
{
|
|
WX_CLEAR_LIST(wxList, m_Handlers);
|
|
}
|
|
|
|
// Returns the native path for a file URL
|
|
wxFileName wxFileSystem::URLToFileName(const wxString& url)
|
|
{
|
|
return wxFileName::URLToFileName( url );
|
|
}
|
|
|
|
// Returns the file URL for a native path
|
|
wxString wxFileSystem::FileNameToURL(const wxFileName& filename)
|
|
{
|
|
return wxFileName::FileNameToURL( filename );
|
|
}
|
|
|
|
|
|
///// Module:
|
|
|
|
class wxFileSystemModule : public wxModule
|
|
{
|
|
wxDECLARE_DYNAMIC_CLASS(wxFileSystemModule);
|
|
|
|
public:
|
|
wxFileSystemModule() :
|
|
wxModule(),
|
|
m_handler(NULL)
|
|
{
|
|
}
|
|
|
|
virtual bool OnInit() wxOVERRIDE
|
|
{
|
|
m_handler = new wxLocalFSHandler;
|
|
wxFileSystem::AddHandler(m_handler);
|
|
return true;
|
|
}
|
|
virtual void OnExit() wxOVERRIDE
|
|
{
|
|
delete wxFileSystem::RemoveHandler(m_handler);
|
|
|
|
wxFileSystem::CleanUpHandlers();
|
|
}
|
|
|
|
private:
|
|
wxFileSystemHandler* m_handler;
|
|
|
|
};
|
|
|
|
wxIMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule);
|
|
|
|
//// wxFSInputStream
|
|
|
|
wxFSInputStream::wxFSInputStream(const wxString& filename, int flags)
|
|
{
|
|
wxFileSystem fs;
|
|
m_file = fs.OpenFile(filename, flags | wxFS_READ);
|
|
|
|
if ( m_file )
|
|
{
|
|
wxInputStream* const stream = m_file->GetStream();
|
|
if ( stream )
|
|
{
|
|
// Notice that we pass the stream by reference: it shouldn't be
|
|
// deleted by us as it's owned by m_file already.
|
|
InitParentStream(*stream);
|
|
}
|
|
}
|
|
}
|
|
|
|
wxFSInputStream::~wxFSInputStream()
|
|
{
|
|
delete m_file;
|
|
}
|
|
|
|
#endif
|
|
// wxUSE_FILESYSTEM
|