X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a83f860948059b0273b5cc6d9e43fadad3ebfca..9ed99f82da680a40becbb4e72d03a30d4acb335e:/src/msw/dir.cpp

diff --git a/src/msw/dir.cpp b/src/msw/dir.cpp
index 5404038be8..0867811c70 100644
--- a/src/msw/dir.cpp
+++ b/src/msw/dir.cpp
@@ -1,10 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        msw/dir.cpp
+// Name:        src/msw/dir.cpp
 // Purpose:     wxDir implementation for Win32
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     08.12.99
-// RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -30,7 +29,6 @@
 #endif // PCH
 
 #include "wx/dir.h"
-#include "wx/filefn.h"          // for wxDirExists()
 
 #ifdef __WINDOWS__
     #include "wx/msw/private.h"
@@ -65,20 +63,74 @@ inline void FreeFindData(FIND_DATA fd)
     }
 }
 
-inline FIND_DATA FindFirst(const wxString& spec,
-                           FIND_STRUCT *finddata)
+const wxChar *GetNameFromFindData(const FIND_STRUCT *finddata)
 {
-    return ::FindFirstFile(spec.fn_str(), finddata);
+    return finddata->cFileName;
 }
 
-inline bool FindNext(FIND_DATA fd, FIND_STRUCT *finddata)
+// Helper function checking that the contents of the given FIND_STRUCT really
+// match our filter. We need to do it ourselves as native Windows functions
+// apply the filter to both the long and the short names of the file, so
+// something like "*.bar" matches "foo.bar.baz" too and not only "foo.bar", so
+// we have to double check that we have a real match.
+inline bool
+CheckFoundMatch(const FIND_STRUCT* finddata, const wxString& filter)
 {
-    return ::FindNextFile(fd, finddata) != 0;
+    // If there is no filter, the found file must be the one we really are
+    // looking for.
+    if ( filter.empty() )
+        return true;
+
+    // Otherwise do check the match validity. Notice that we must do it
+    // case-insensitively because the case of the file names is not supposed to
+    // matter under Windows.
+    wxString fn(GetNameFromFindData(finddata));
+
+    // However if the filter contains only special characters (which is a
+    // common case), we can skip the case conversion.
+    if ( filter.find_first_not_of(wxS("*?.")) == wxString::npos )
+        return fn.Matches(filter);
+
+    return fn.MakeUpper().Matches(filter.Upper());
 }
 
-const wxChar *GetNameFromFindData(FIND_STRUCT *finddata)
+inline bool
+FindNext(FIND_DATA fd, const wxString& filter, FIND_STRUCT *finddata)
 {
-    return finddata->cFileName;
+    for ( ;; )
+    {
+        if ( !::FindNextFile(fd, finddata) )
+            return false;
+
+        // If we did find something, check that it really matches.
+        if ( CheckFoundMatch(finddata, filter) )
+            return true;
+    }
+}
+
+inline FIND_DATA
+FindFirst(const wxString& spec,
+          const wxString& filter,
+          FIND_STRUCT *finddata)
+{
+    FIND_DATA fd = ::FindFirstFile(spec.t_str(), finddata);
+
+    // As in FindNext() above, we need to check that the file name we found
+    // really matches our filter and look for the next match if it doesn't.
+    if ( IsFindDataOk(fd) && !CheckFoundMatch(finddata, filter) )
+    {
+        if ( !FindNext(fd, filter, finddata) )
+        {
+            // As we return the invalid handle from here to indicate that we
+            // didn't find anything, close the one we initially received
+            // ourselves.
+            FreeFindData(fd);
+
+            return INVALID_HANDLE_VALUE;
+        }
+    }
+
+    return fd;
 }
 
 inline FIND_ATTR GetAttrFromFindData(FIND_STRUCT *finddata)
@@ -197,7 +249,7 @@ bool wxDirData::Read(wxString *filename)
         else
             filespec += m_filespec;
 
-        m_finddata = FindFirst(filespec, PTR_TO_FINDDATA);
+        m_finddata = FindFirst(filespec, m_filespec, PTR_TO_FINDDATA);
 
         first = true;
     }
@@ -209,7 +261,7 @@ bool wxDirData::Read(wxString *filename)
 
         if ( err != ERROR_FILE_NOT_FOUND && err != ERROR_NO_MORE_FILES )
         {
-            wxLogSysError(err, _("Can not enumerate files in directory '%s'"),
+            wxLogSysError(err, _("Cannot enumerate files in directory '%s'"),
                           m_dirname.c_str());
         }
 #endif // __WIN32__
@@ -229,7 +281,7 @@ bool wxDirData::Read(wxString *filename)
         }
         else
         {
-            if ( !FindNext(m_finddata, PTR_TO_FINDDATA) )
+            if ( !FindNext(m_finddata, m_filespec, PTR_TO_FINDDATA) )
             {
 #ifdef __WIN32__
                 DWORD err = ::GetLastError();
@@ -287,16 +339,6 @@ bool wxDirData::Read(wxString *filename)
     return true;
 }
 
-// ----------------------------------------------------------------------------
-// wxDir helpers
-// ----------------------------------------------------------------------------
-
-/* static */
-bool wxDir::Exists(const wxString& dir)
-{
-    return wxDirExists(dir);
-}
-
 // ----------------------------------------------------------------------------
 // wxDir construction/destruction
 // ----------------------------------------------------------------------------
@@ -311,7 +353,7 @@ wxDir::wxDir(const wxString& dirname)
 bool wxDir::Open(const wxString& dirname)
 {
     delete M_DIR;
-    
+
     // The Unix code does a similar test
     if (wxDirExists(dirname))
     {
@@ -322,7 +364,7 @@ bool wxDir::Open(const wxString& dirname)
     else
     {
         m_data = NULL;
-    
+
         return false;
     }
 }
@@ -354,9 +396,13 @@ wxString wxDir::GetName() const
     return name;
 }
 
-wxDir::~wxDir()
+void wxDir::Close()
 {
-    delete M_DIR;
+    if ( m_data )
+    {
+        delete m_data;
+        m_data = NULL;
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -407,7 +453,7 @@ wxGetDirectoryTimes(const wxString& dirname,
 #endif
 
     FIND_STRUCT fs;
-    FIND_DATA fd = FindFirst(dirname, &fs);
+    FIND_DATA fd = FindFirst(dirname, wxEmptyString, &fs);
     if ( !IsFindDataOk(fd) )
     {
         return false;