Fix background drawing in EVT_ERASE_BACKGROUND handler in erase sample.

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

diff --git a/src/common/filesys.cpp b/src/common/filesys.cpp
index 2ae9c2dfd3696bf86cbff9e15ad0bf501d9b8a96..ad395361ce947979b2452755ace8d5de514dc72f 100644 (file)
--- a/src/common/filesys.cpp
+++ b/src/common/filesys.cpp
@@ -120,15 +120,15 @@ wxString wxFileSystemHandler::GetMimeTypeFromExt(const wxString& location)
             wxTheMimeTypesManager->AddFallbacks(fallbacks);
             s_MinimalMimeEnsured = true;
         }
-        
+
         wxFileType *ft = wxTheMimeTypesManager->GetFileTypeFromExtension(ext);
         if ( !ft || !ft -> GetMimeType(&mime) )
         {
             mime = wxEmptyString;
         }
-        
+
         delete ft;
-        
+
         return mime;
     }
     else
@@ -255,14 +255,14 @@ wxFSFile* wxLocalFSHandler::OpenFile(wxFileSystem& WXUNUSED(fs), const wxString&
 #else
 #error One of wxUSE_FILE or wxUSE_FFILE must be set to 1 for wxFSHandler to work
 #endif
-    if ( !is->Ok() )
+    if ( !is->IsOk() )
     {
         delete is;
         return NULL;
     }
 
     return new wxFSFile(is,
-                        right,
+                        location,
                         wxEmptyString,
                         GetAnchor(location)
 #if wxUSE_DATETIME
@@ -355,7 +355,7 @@ void wxFileSystem::ChangePathTo(const wxString& location, bool is_dir)
 
     if (is_dir)
     {
-        if (m_Path.length() > 0 && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':'))
+        if (!m_Path.empty() && m_Path.Last() != wxT('/') && m_Path.Last() != wxT(':'))
             m_Path << wxT('/');
     }
 
@@ -635,11 +635,11 @@ wxFileName wxFileSystem::URLToFileName(const wxString& url)
 
     path = wxURI::Unescape(path);
 
-#ifdef __WXMSW__
+#ifdef __WINDOWS__
     // 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('/'))
+    if ( path.length() > 1 && (path[0u] == wxT('/') && path [1u] != wxT('/')) )
     {
         path = path.Mid(1);
     }
@@ -656,6 +656,42 @@ wxFileName wxFileSystem::URLToFileName(const wxString& url)
     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)
 {
@@ -680,21 +716,10 @@ wxString wxFileSystem::FileNameToURL(const wxFileName& filename)
 #endif
 
     url.Replace(g_nativePathString, g_unixPathString);
-    url.Replace(wxT("%"), wxT("%25")); // '%'s must be replaced first!
-    url.Replace(wxT("#"), wxT("%23"));
-
-    // 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()
-    url.Replace(wxT(":"), wxT("%3A"));
-    url = wxT("file:") + url;
-    return url;
+
+    // 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());
 }
 
 
@@ -731,5 +756,29 @@ class wxFileSystemModule : public wxModule
 
 IMPLEMENT_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