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[wxWidgets.git] / src / common / filesys.cpp

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index 2d4a8690dd3d433f621a6da7f62b6cf2ec4068f8..5586e348dccdaf35db4e095dc1e67dd9b9fafae0 100644 (file)
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -3,11 +3,12 @@
 // Purpose:     wxFileSystem class - interface for opening files
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
 // Purpose:     wxFileSystem class - interface for opening files
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik

+// CVS-ID:      $Id$

 // Licence:     wxWindows Licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 // Licence:     wxWindows Licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__

-#pragma implementation
+#pragma implementation "filesys.h"

 #endif
 
 #include "wx/wxprec.h"
 #endif
 
 #include "wx/wxprec.h"


@@ -16,11 +17,16 @@
 #pragma hdrstop
 #endif
 
 #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/wfstream.h"
 #include "wx/module.h"
 #include "wx/filesys.h"

+#include "wx/mimetype.h"
+#include "wx/filename.h"
+
+

 
 //--------------------------------------------------------------------------------
 // wxFileSystemHandler
 
 //--------------------------------------------------------------------------------
 // wxFileSystemHandler


@@ -28,27 +34,62 @@
 
 IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
 
 
 IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
 

-wxMimeTypesManager wxFileSystemHandler::m_MimeMng;

 
 

+#if wxUSE_MIMETYPE
+static wxFileTypeInfo *gs_FSMimeFallbacks = NULL;
+#endif

 
 wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
 {
 
 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;
     wxString loc = GetRightLocation(location);
     char c;
     int l = loc.Length(), l2;

-    wxFileType *ft;

 
     l2 = l;
 
     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;}
+    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 wxUSE_MIMETYPE
+    static bool s_MinimalMimeEnsured = FALSE;
+    if (!s_MinimalMimeEnsured) {
+        wxTheMimeTypesManager->AddFallbacks(gs_FSMimeFallbacks);
+        s_MinimalMimeEnsured = TRUE;
+    }
+
+    wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
+    if ( !ft || !ft -> GetMimeType(&mime) )
+    {
+        mime = wxEmptyString;

     }
     }

-    ft = m_MimeMng.GetFileTypeFromExtension(ext);
-    if (ft && (ft -> GetMimeType(&mime))) return mime;
-    else return 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

 }
 
 
 }
 
 


@@ -60,11 +101,11 @@ wxString wxFileSystemHandler::GetProtocol(const wxString& location) const
     bool fnd;
 
     fnd = FALSE;
     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;
 }
 
     return s;
 }
 


@@ -76,8 +117,8 @@ wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const
 
     fnd = FALSE;
     for (i = location.Length()-1; i >= 0; i--) {
 
     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;
 }
     }
     return wxEmptyString;
 }


@@ -86,7 +127,7 @@ wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const
 {
     int i, l = location.Length();
     int l2 = l + 1;
 {
     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);
 }
     if (i == 0) return wxEmptyString;
     else return location.Mid(i + 1, l2 - i - 2);
 }


@@ -98,99 +139,166 @@ wxString wxFileSystemHandler::GetAnchor(const wxString& location) const
 
     for (int i = l-1; i >= 0; i--) {
         c = location[i];
 
     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;
 }
 
     }
     return wxEmptyString;
 }
 

+
+wxString wxFileSystemHandler::FindFirst(const wxString& WXUNUSED(spec),
+                                        int WXUNUSED(flags))
+{
+    return wxEmptyString;
+}
+
+wxString wxFileSystemHandler::FindNext()
+{
+    return wxEmptyString;
+}
+

 //--------------------------------------------------------------------------------
 // wxLocalFSHandler
 //--------------------------------------------------------------------------------
 
 //--------------------------------------------------------------------------------
 // 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)
 {
 
 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)
 {
 }
 
 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 = ms_root + GetRightLocation(spec);
+    return wxFindFirstFile(right, flags);
+}
+
+wxString wxLocalFSHandler::FindNext()
+{
+    return wxFindNextFile();
+}
+
+
+

 //-----------------------------------------------------------------------------
 // wxFileSystem
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystem, wxObject)
 //-----------------------------------------------------------------------------
 // wxFileSystem
 //-----------------------------------------------------------------------------
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystem, wxObject)

+IMPLEMENT_ABSTRACT_CLASS(wxFSFile, wxObject)

 
 
 wxList wxFileSystem::m_Handlers;
 
 
 
 
 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;
 
 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;
                 }
                     i -= 2;
                     continue;
                 }

-                else 
-               {
-                    pathpos = i; 
+                else
+                {
+                    pathpos = i;

                     break;
                 }
             }
                     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;
                 }
             }
                     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);
         }
     }
             m_Path.Remove(pathpos+1);
         }
     }


@@ -200,51 +308,53 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir)
 
 wxFSFile* wxFileSystem::OpenFile(const wxString& location)
 {
 
 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;
     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 :
     }
     m_LastName = wxEmptyString;
 
     // try relative paths first :

-    if (meta != _T(':')) 
+    if (meta != wxT(':'))

     {
         node = m_Handlers.GetFirst();
         while (node)
     {
         node = m_Handlers.GetFirst();
         while (node)

-       {
+        {

             wxFileSystemHandler *h = (wxFileSystemHandler*) node -> GetData();
             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 :
             }
             node = node->GetNext();
         }
     }
 
     // if failed, try absolute paths :

-    if (s == NULL) 
+    if (s == NULL)

     {
         node = m_Handlers.GetFirst();
         while (node)
     {
         node = m_Handlers.GetFirst();
         while (node)

-       {
+        {

             wxFileSystemHandler *h = (wxFileSystemHandler*) node->GetData();
             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();
         }
             }
             node = node->GetNext();
         }


@@ -253,12 +363,62 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
 }
 
 
 }
 
 

+
+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::AddHandler(wxFileSystemHandler *handler)
 {
     m_Handlers.Append(handler);
 }
 
 

+void wxFileSystem::CleanUpHandlers()
+{
+    m_Handlers.DeleteContents(TRUE);
+    m_Handlers.Clear();
+}
+
+
+

 
 ///// Module:
 
 
 ///// Module:
 


@@ -270,13 +430,58 @@ class wxFileSystemModule : public wxModule
         virtual bool OnInit()
         {
             wxFileSystem::AddHandler(new wxLocalFSHandler);
         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;
         }
             return TRUE;
         }

-        virtual void OnExit() {}
+        virtual void OnExit()
+        {
+        #if wxUSE_MIMETYPE
+            delete [] gs_FSMimeFallbacks;
+        #endif
+            wxFileSystem::CleanUpHandlers();
+        }

 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
 
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
 

-#endif 
-  // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#endif
+  // wxUSE_FILESYSTEM
+
+