X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/31528cd3cac75558beef4bce0ba21fd182a808ab..aa99e0cd2242db04fe1f9bb7d91aea545def2422:/src/common/filesys.cpp

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index 38b29efa3c..814d17d6a6 100644
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -3,31 +3,30 @@
 // 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
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+#pragma implementation "filesys.h"
 #endif
 
 #include "wx/wxprec.h"
 
-#ifdef __BORDLANDC__
+#ifdef __BORLANDC__
 #pragma hdrstop
 #endif
 
-#if !wxUSE_SOCKETS
-    #undef wxUSE_FS_ZIP
-    #undef wxUSE_FS_INET
-    #define wxUSE_FS_ZIP 0
-    #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"
+#include "wx/mimetype.h"
+#include "wx/filename.h"
+#include "wx/log.h"
+
 
 //--------------------------------------------------------------------------------
 // wxFileSystemHandler
@@ -35,27 +34,89 @@
 
 IMPLEMENT_ABSTRACT_CLASS(wxFileSystemHandler, wxObject)
 
-wxMimeTypesManager wxFileSystemHandler::m_MimeMng;
-
 
 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--) {
-        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;
     }
-    ft = m_MimeMng.GetFileTypeFromExtension(ext);
-    if (ft && (ft -> GetMimeType(&mime))) return mime;
-    else return wxEmptyString;
+
+#if wxUSE_MIMETYPE
+    static bool s_MinimalMimeEnsured = false;
+    if (!s_MinimalMimeEnsured)
+    {
+        static const wxFileTypeInfo fallbacks[] =
+        {
+            wxFileTypeInfo(_T("image/jpeg"),
+                           _T(""),
+                           _T(""),
+                           _T("JPEG image (from fallback)"),
+                           _T("jpg"), _T("jpeg"), _T("JPG"), _T("JPEG"), NULL),
+            wxFileTypeInfo(_T("image/gif"),
+                           _T(""),
+                           _T(""),
+                           _T("GIF image (from fallback)"),
+                           _T("gif"), _T("GIF"), NULL),
+            wxFileTypeInfo(_T("image/png"),
+                           _T(""),
+                           _T(""),
+                           _T("PNG image (from fallback)"),
+                           _T("png"), _T("PNG"), NULL),
+            wxFileTypeInfo(_T("image/bmp"),
+                           _T(""),
+                           _T(""),
+                           _T("windows bitmap image (from fallback)"),
+                           _T("bmp"), _T("BMP"), NULL),
+            wxFileTypeInfo(_T("text/html"),
+                           _T(""),
+                           _T(""),
+                           _T("HTML document (from fallback)"),
+                           _T("htm"), _T("html"), _T("HTM"), _T("HTML"), NULL),
+            // must terminate the table with this!
+            wxFileTypeInfo()
+        };
+        wxTheMimeTypesManager->AddFallbacks(fallbacks);
+        s_MinimalMimeEnsured = true;
+    }
+
+    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
 }
 
 
@@ -67,11 +128,11 @@ wxString wxFileSystemHandler::GetProtocol(const wxString& location) const
     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;
 }
 
@@ -83,8 +144,8 @@ wxString wxFileSystemHandler::GetLeftLocation(const wxString& location) const
 
     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;
 }
@@ -93,7 +154,14 @@ wxString wxFileSystemHandler::GetRightLocation(const wxString& location) const
 {
     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);
 }
@@ -105,99 +173,178 @@ wxString wxFileSystemHandler::GetAnchor(const wxString& location) const
 
     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
 //--------------------------------------------------------------------------------
 
-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 (wxFSFile*) NULL;
+
+    // we need to check whether we can really read from this file, otherwise
+    // wxFSFile is not going to work
+    wxFFileInputStream *is = new wxFFileInputStream(fullpath);
+    if ( !is->Ok() )
+    {
+        delete is;
+        return (wxFSFile*) NULL;
+    }
+
+    return new wxFSFile(is,
+                        right,
+                        GetMimeTypeFromExt(location),
+                        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));
+    return wxFindFirstFile(ms_root + fn.GetFullPath(), flags);
+}
+
+wxString wxLocalFSHandler::FindNext()
+{
+    return wxFindNextFile();
+}
+
+
+
 //-----------------------------------------------------------------------------
 // wxFileSystem
 //-----------------------------------------------------------------------------
 
 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[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);
         }
     }
@@ -207,51 +354,53 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir)
 
 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;
+    wxList::compatibility_iterator 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();
         }
@@ -260,12 +409,135 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
 }
 
 
+
+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)
+    {
+        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()
+{
+    WX_CLEAR_LIST(wxList, m_Handlers);
+}
+
+const static wxString g_unixPathString(wxT("/"));
+const static 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.Replace(wxT("%25"), wxT("%"));
+    path.Replace(wxT("%3A"), wxT(":"));
+
+#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);
+}
+
+// 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);
+    url.Replace(wxT("%"), wxT("%25"));
+    url.Replace(wxT(":"), wxT("%3A"));
+    url = wxT("file:") + url;
+    return url;
+}
+
 
 ///// Module:
 
@@ -277,13 +549,18 @@ class wxFileSystemModule : public wxModule
         virtual bool OnInit()
         {
             wxFileSystem::AddHandler(new wxLocalFSHandler);
-            return TRUE;
+            return true;
+        }
+        virtual void OnExit()
+        {
+            wxFileSystem::CleanUpHandlers();
         }
-        virtual void OnExit() {}
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
 
-#endif 
-  // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#endif
+  // wxUSE_FILESYSTEM
+
+