/////////////////////////////////////////////////////////////////////////////
-// Name: filesys.cpp
+// Name: src/common/filesys.cpp
// Purpose: wxFileSystem class - interface for opening files
// Author: Vaclav Slavik
// Copyright: (c) 1999 Vaclav Slavik
-// Licence: wxWindows Licence
+// CVS-ID: $Id$
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
#include "wx/wxprec.h"
-#ifdef __BORDLANDC__
-#pragma hdrstop
+#ifdef __BORLANDC__
+ #pragma hdrstop
#endif
-#if !wxUSE_SOCKETS
- #undef wxUSE_FS_INET
- #define wxUSE_FS_INET 0
-#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"
-//--------------------------------------------------------------------------------
-// wxFileSystemHandler
-//--------------------------------------------------------------------------------
+#ifndef WX_PRECOMP
+ #include "wx/log.h"
+ #include "wx/module.h"
+#endif
-IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
+#include "wx/sysopt.h"
+#include "wx/wfstream.h"
+#include "wx/mimetype.h"
+#include "wx/filename.h"
+#include "wx/tokenzr.h"
+#include "wx/uri.h"
+#include "wx/private/fileback.h"
-wxMimeTypesManager *wxFileSystemHandler::m_MimeMng = NULL;
+// ----------------------------------------------------------------------------
+// wxFSFile
+// ----------------------------------------------------------------------------
-void wxFileSystemHandler::CleanUpStatics()
+const wxString& wxFSFile::GetMimeType() const
{
- if (m_MimeMng) delete m_MimeMng;
- m_MimeMng = NULL;
+ 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 = wxEmptyString, mime = wxEmptyString;
+ wxString ext, mime;
wxString loc = GetRightLocation(location);
- char c;
- int l = loc.Length(), l2;
- wxFileType *ft;
+ wxChar c;
+ int l = loc.length(), l2;
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 == T('#')) l2 = i + 1;
- if (c == T('.')) {ext = loc.Right(l2-i-1); break;}
- if ((c == T('/')) || (c == T('\\')) || (c == T(':'))) {return wxEmptyString;}
+ 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;
+#if wxUSE_MIMETYPE
+ static bool s_MinimalMimeEnsured = false;
- static const wxFileTypeInfo fallbacks[] =
+ // 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)
{
- 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);
- }
+ 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;
+ }
- ft = m_MimeMng -> GetFileTypeFromExtension(ext);
- if (ft && (ft -> GetMimeType(&mime))) return mime;
- else return wxEmptyString;
+ wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
+ if ( !ft || !ft -> GetMimeType(&mime) )
+ {
+ mime = wxEmptyString;
+ }
+
+ delete ft;
+
+ return mime;
+ }
+ else
+#endif
+ {
+ 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 wxEmptyString;
+ }
}
-wxString wxFileSystemHandler::GetProtocol(const wxString& location) const
+/* static */
+wxString wxFileSystemHandler::GetProtocol(const wxString& location)
{
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] != 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;
}
-wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const
+/* static */
+wxString wxFileSystemHandler::GetLeftLocation(const wxString& location)
{
int i;
- bool fnd;
+ bool fnd = false;
- 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);
+ 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;
}
-wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const
+/* static */
+wxString wxFileSystemHandler::GetRightLocation(const wxString& location)
{
- int i, l = location.Length();
+ 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);
}
-wxString wxFileSystemHandler::GetAnchor(const wxString& location) const
+/* static */
+wxString wxFileSystemHandler::GetAnchor(const wxString& location)
{
- char c;
- int l = location.Length();
+ wxChar c;
+ int l = location.length();
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(':')))
+ return wxEmptyString;
}
return wxEmptyString;
}
+
+wxString wxFileSystemHandler::FindFirst(const wxString& WXUNUSED(spec),
+ int WXUNUSED(flags))
+{
+ return wxEmptyString;
+}
+
+wxString wxFileSystemHandler::FindNext()
+{
+ return wxEmptyString;
+}
+
//--------------------------------------------------------------------------------
// wxLocalFSHandler
//--------------------------------------------------------------------------------
-class wxLocalFSHandler : public wxFileSystemHandler
-{
- public:
- virtual bool CanOpen(const wxString& location);
- virtual wxFSFile* OpenFile(wxFileSystem& fs, const wxString& location);
-};
+wxString wxLocalFSHandler::ms_root;
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)
{
+ // location has Unix path separators
wxString right = GetRightLocation(location);
- if (wxFileExists(right))
- return new wxFSFile(new wxFileInputStream(right),
- right,
- GetMimeTypeFromExt(location),
- GetAnchor(location));
- else return (wxFSFile*) NULL;
+ wxFileName fn = wxFileSystem::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->Ok() )
+ {
+ delete is;
+ return NULL;
+ }
+
+ return new wxFSFile(is,
+ right,
+ wxEmptyString,
+ GetAnchor(location)
+#if wxUSE_DATETIME
+ ,wxDateTime(wxFileModificationTime(fullpath))
+#endif // wxUSE_DATETIME
+ );
+}
+
+wxString wxLocalFSHandler::FindFirst(const wxString& spec, int flags)
+{
+ wxFileName fn = wxFileSystem::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
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxFileSystem, wxObject)
+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();
+ 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] == 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[(unsigned int) i] == T('/'))
- {
- if ((i > 1) && (m_Path[(unsigned int) (i-1)] == T('/')) && (m_Path[(unsigned int) (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;
break;
}
}
- else if (m_Path[(unsigned int) 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[(unsigned int) i] == T(':'))
- {
- //m_Path << T('/');
+ {
+ 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('/');
+ {
m_Path.Remove(pathpos+1);
}
}
-wxFSFile* wxFileSystem::OpenFile(const wxString& location)
+wxFileSystemHandler *wxFileSystem::MakeLocal(wxFileSystemHandler *h)
{
- wxString loc = location;
- int i, ln;
- char meta;
+ 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;
- wxNode *node;
+ wxList::compatibility_iterator node;
- ln = loc.Length();
+ ln = loc.length();
meta = 0;
for (i = 0; i < ln; i++)
{
- if (loc[(unsigned int) i] == T('\\')) loc.GetWritableChar(i) = T('/'); // wanna be windows-safe
- if (!meta) switch (loc[(unsigned int) i])
- {
- case T('/') : case T(':') : case T('#') : meta = loc[(unsigned int) i];
+ switch ( loc[i].GetValue() )
+ {
+ 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 = MakeLocal(h)->OpenFile(*this, m_Path + loc);
+ if (s) { m_LastName = m_Path + loc; break; }
}
node = node->GetNext();
}
{
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 = 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)
{
- 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);
+}
+
+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;
+
+ 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
+
+ path = wxURI::Unescape(path);
+
+#ifdef __WXMSW__
+ // 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) &&
+ (path.Find(wxT('/')) != wxNOT_FOUND) &&
+ (path.length() > 1) && (path[1u] != wxT(':')) )
+ {
+ path = wxT("//") + path;
+ }
+#endif
+
+ path.Replace(g_unixPathString, g_nativePathString);
+
+ return wxFileName(path, wxPATH_NATIVE);
+}
+
+// Escapes non-ASCII and others characters in file: URL to be valid URLs
+static wxString EscapeFileNameCharsInURL(const char *in)
+{
+ wxString s;
+
+ for ( const unsigned char *p = (const unsigned char*)in; *p; ++p )
+ {
+ const unsigned char c = *p;
+
+ // 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()
+
+ if ( c == '/' || c == '-' || c == '.' || c == '_' || c == '~' ||
+ (c >= '0' && c <= '9') ||
+ (c >= 'a' && c <= 'z') ||
+ (c >= 'A' && c <= 'Z') )
+ {
+ s << c;
+ }
+ else
+ {
+ s << wxString::Format("%%%02x", c);
+ }
+ }
+
+ return s;
+}
+
+// Returns the file URL for a native path
+wxString wxFileSystem::FileNameToURL(const wxFileName& filename)
+{
+ wxFileName fn = filename;
+ fn.Normalize(wxPATH_NORM_DOTS | wxPATH_NORM_TILDE | wxPATH_NORM_ABSOLUTE);
+ wxString url = fn.GetFullPath(wxPATH_NATIVE);
+
+#ifndef __UNIX__
+ // unc notation, wxMSW
+ if ( url.Find(wxT("\\\\")) == 0 )
+ {
+ url = wxT("//") + url.Mid(2);
+ }
+ else
+ {
+ url = wxT("/") + url;
+#ifdef __WXMAC__
+ url = wxT("/") + url;
+#endif
+
+ }
+#endif
+
+ url.Replace(g_nativePathString, g_unixPathString);
+
+ // Do wxURI- and common practice-compatible escaping: encode the string
+ // into UTF-8, then escape anything non-ASCII:
+ return wxT("file:") + EscapeFileNameCharsInURL(url.utf8_str());
}
DECLARE_DYNAMIC_CLASS(wxFileSystemModule)
public:
+ wxFileSystemModule() :
+ wxModule(),
+ m_handler(NULL)
+ {
+ }
+
virtual bool OnInit()
{
- wxFileSystem::AddHandler(new wxLocalFSHandler);
- return TRUE;
+ m_handler = new wxLocalFSHandler;
+ wxFileSystem::AddHandler(m_handler);
+ return true;
}
virtual void OnExit()
- {
- wxFileSystemHandler::CleanUpStatics();
+ {
+ delete wxFileSystem::RemoveHandler(m_handler);
+
wxFileSystem::CleanUpHandlers();
- }
+ }
+
+ private:
+ wxFileSystemHandler* m_handler;
+
};
IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
#endif
- // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
-
-
-
+ // wxUSE_FILESYSTEM
projects / wxWidgets.git / blobdiff