X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/737255678cb96a8296348fb62603afdd28133ec5..1c68fb912d13e55b5627fdecfa8bb8f80e1ee23b:/src/common/filesys.cpp

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index d5a3bf6454..85a55e95b8 100644
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -3,6 +3,7 @@
 // Purpose:     wxFileSystem class - interface for opening files
 // Author:      Vaclav Slavik
 // Copyright:   (c) 1999 Vaclav Slavik
+// CVS-ID:      $Id$
 // Licence:     wxWindows Licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -16,12 +17,8 @@
 #pragma hdrstop
 #endif
 
-#if !wxUSE_SOCKETS
-    #undef wxUSE_FS_INET
-    #define wxUSE_FS_INET 0
-#endif
 
-#if (wxUSE_HTML || wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+#if wxUSE_FILESYSTEM
 
 #include "wx/wfstream.h"
 #include "wx/module.h"
@@ -92,14 +89,13 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
     }
 
     ft = wxTheMimeTypesManager -> GetFileTypeFromExtension(ext);
-    if (ft && (ft -> GetMimeType(&mime))) {
-        delete ft; 
-        return mime;
-    }
-    else {
-        delete ft;
-        return wxEmptyString;
+    if ( !ft || !ft -> GetMimeType(&mime) ) {
+        mime = wxEmptyString;
     }
+
+    delete ft;
+
+    return mime;
 }
 
 
@@ -189,13 +185,15 @@ bool wxLocalFSHandler::CanOpen(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),
-                            wxDateTime(wxFileModificationTime(right)));
-    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)
@@ -221,14 +219,51 @@ IMPLEMENT_DYNAMIC_CLASS(wxFileSystem, 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[(unsigned int) i] == wxT('\\')) m_Path.GetWritableChar(i) = wxT('/');         // wanna be windows-safe
+    m_Path = MakeCorrectPath(location);
 
     if (is_dir)
     {
@@ -282,8 +317,8 @@ 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;
@@ -292,12 +327,13 @@ wxFSFile* wxFileSystem::OpenFile(const wxString& location)
     meta = 0;
     for (i = 0; i < ln; i++)
     {
-        if (loc[(unsigned int) i] == wxT('\\')) loc.GetWritableChar(i) = wxT('/');         // wanna be windows-safe
-        if (!meta) 
-            switch (loc[(unsigned int) i])
-        	{
-                case wxT('/') : case wxT(':') : case wxT('#') : meta = loc[(unsigned int) i];
-            }
+        switch (loc[i])
+        {
+            case wxT('/') : case wxT(':') : case wxT('#') : 
+                meta = loc[i];
+                break;
+        }
+        if (meta != 0) break;
     }
     m_LastName = wxEmptyString;
 
@@ -345,7 +381,7 @@ wxString wxFileSystem::FindFirst(const wxString& spec, int flags)
     m_FindFileHandler = NULL;
 
     for (int i = spec2.Length()-1; i >= 0; i--)
-        if (spec2[(unsigned int) i] == wxT('\\')) spec2.GetWritableChar(i) = wxT('/'); // wanna be windows-safe
+        if (spec2[(unsigned int) i] == wxT('\\')) spec2.GetWritableChar(i) = wxT('/'); // Want to be windows-safe
 
     node = m_Handlers.GetFirst();
     while (node)
@@ -414,7 +450,7 @@ class wxFileSystemModule : public wxModule
 IMPLEMENT_DYNAMIC_CLASS(wxFileSystemModule, wxModule)
 
 #endif
-  // (wxUSE_FS_INET || wxUSE_FS_ZIP) && wxUSE_STREAMS
+  // wxUSE_FILESYSTEM