applied patch 432814: saving BMP in 1, 4 and 8 bpp

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

diff --git a/src/common/filename.cpp b/src/common/filename.cpp
index 51100b0829f09f1129523af5de76e3664e21ca29..b9679a11a3a1326331db2c74a3ac4aaeb7ba8a25 100644 (file)
--- a/src/common/filename.cpp
+++ b/src/common/filename.cpp
@@ -38,12 +38,15 @@
 #include "wx/config.h"          // for wxExpandEnvVars
 #include "wx/utils.h"
 
 #include "wx/config.h"          // for wxExpandEnvVars
 #include "wx/utils.h"
 

-// ----------------------------------------------------------------------------
-// constants
-// ----------------------------------------------------------------------------
+#if wxUSE_DYNLIB_CLASS
+#include "wx/dynlib.h"
+#endif

 
 

-// the character separating the extension from the base name
-#define EXT_SEP _T('.')
+// For GetShort/LongPathName
+#ifdef __WIN32__
+#include <windows.h>
+#include "wx/msw/winundef.h"
+#endif

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -89,7 +92,7 @@ void wxFileName::Assign(const wxString& fullpath,
                         wxPathFormat format)
 {
     wxString path, name, ext;
                         wxPathFormat format)
 {
     wxString path, name, ext;

-    wxSplitPath(fullpath, &path, &name, &ext);
+    SplitPath(fullpath, &path, &name, &ext, format);

 
     Assign(path, name, ext, format);
 }
 
     Assign(path, name, ext, format);
 }


@@ -99,7 +102,7 @@ void wxFileName::Assign(const wxString& path,
                         wxPathFormat format)
 {
     wxString name, ext;
                         wxPathFormat format)
 {
     wxString name, ext;

-    wxSplitPath(fullname, NULL /* no path */, &name, &ext);
+    SplitPath(fullname, NULL /* no path */, &name, &ext, format);

 
     Assign(path, name, ext, format);
 }
 
     Assign(path, name, ext, format);
 }


@@ -149,6 +152,13 @@ bool wxFileName::DirExists( const wxString &dir )
     return ::wxDirExists( dir );
 }
 
     return ::wxDirExists( dir );
 }
 

+wxDateTime wxFileName::GetModificationTime()
+{
+    wxDateTime ret( wxFileModificationTime( GetFullPath() ) );
+
+    return ret;
+}
+

 // ----------------------------------------------------------------------------
 // CWD and HOME stuff
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // CWD and HOME stuff
 // ----------------------------------------------------------------------------


@@ -201,14 +211,47 @@ void wxFileName::AssignTempFileName( const wxString &prefix )
 // directory operations
 // ----------------------------------------------------------------------------
 
 // directory operations
 // ----------------------------------------------------------------------------
 

-bool wxFileName::Mkdir( int perm )
+bool wxFileName::Mkdir( int perm, bool full )

 {
 {

-    return wxFileName::Mkdir( GetFullPath(), perm );
+    return wxFileName::Mkdir( GetFullPath(), perm, full );

 }
 
 }
 

-bool wxFileName::Mkdir( const wxString &dir, int perm )
+bool wxFileName::Mkdir( const wxString &dir, int perm, bool full )

 {
 {

-    return ::wxMkdir( dir, perm );
+    if (full)
+    {
+        wxFileName filename(dir);
+        wxArrayString dirs = filename.GetDirs();
+        dirs.Add(filename.GetName());
+
+        size_t count = dirs.GetCount();
+        size_t i;
+        wxString currPath;
+        int noErrors = 0;
+        for ( i = 0; i < count; i++ )
+        {
+            currPath += dirs[i];
+
+            if (currPath.Last() == wxT(':'))
+            {
+                // Can't create a root directory so continue to next dir
+                currPath += wxFILE_SEP_PATH;
+                continue;
+            }
+
+            if (!DirExists(currPath))
+                if (!wxMkdir(currPath, perm))
+                    noErrors ++;
+
+            if ( (i < (count-1)) )
+                currPath += wxFILE_SEP_PATH;
+        }
+
+        return (noErrors == 0);
+
+    }
+    else
+        return ::wxMkdir( dir, perm );

 }
 
 bool wxFileName::Rmdir()
 }
 
 bool wxFileName::Rmdir()


@@ -256,7 +299,7 @@ bool wxFileName::Normalize(wxPathNormalize flags,
             {
                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
 
             {
                 curDir.AssignDir(wxGetUserHome(dir.c_str() + 1));
 

-                dirs.Remove(0u);
+                dirs.RemoveAt(0u);

             }
         }
     }
             }
         }
     }


@@ -323,6 +366,13 @@ bool wxFileName::Normalize(wxPathNormalize flags,
         m_ext.MakeLower();
     }
 
         m_ext.MakeLower();
     }
 

+#if defined(__WXMSW__) && defined(__WIN32__)
+    if (flags & wxPATH_NORM_LONG)
+    {
+        Assign(GetLongPath());
+    }
+#endif
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -365,9 +415,15 @@ bool wxFileName::IsAbsolute( wxPathFormat format )
 {
     wxChar ch = m_dirs.IsEmpty() ? _T('\0') : m_dirs[0u][0u];
 
 {
     wxChar ch = m_dirs.IsEmpty() ? _T('\0') : m_dirs[0u][0u];
 

+    // Hack to cope with e.g. c:\thing - need something better
+    wxChar driveSep = _T('\0');
+    if (!m_dirs.IsEmpty() && m_dirs[0].Length() > 1)
+        driveSep = m_dirs[0u][1u];
+

     // the path is absolute if it starts with a path separator or, only for
     // Unix filenames, with "~" or "~user"
     return IsPathSeparator(ch, format) ||
     // the path is absolute if it starts with a path separator or, only for
     // Unix filenames, with "~" or "~user"
     return IsPathSeparator(ch, format) ||

+           driveSep == _T(':') ||

            (GetFormat(format) == wxPATH_UNIX && ch == _T('~') );
 }
 
            (GetFormat(format) == wxPATH_UNIX && ch == _T('~') );
 }
 


@@ -379,7 +435,7 @@ wxString wxFileName::GetPathSeparators(wxPathFormat format)
     {
         case wxPATH_DOS:
             // accept both as native APIs do
     {
         case wxPATH_DOS:
             // accept both as native APIs do

-            seps = _T("/\\");
+            seps << wxFILE_SEP_PATH_UNIX << wxFILE_SEP_PATH_DOS;

             break;
 
         default:
             break;
 
         default:


@@ -387,11 +443,11 @@ wxString wxFileName::GetPathSeparators(wxPathFormat format)
             // fall through
 
         case wxPATH_UNIX:
             // fall through
 
         case wxPATH_UNIX:

-            seps = _T("/");
+            seps = wxFILE_SEP_PATH_UNIX;

             break;
 
         case wxPATH_MAC:
             break;
 
         case wxPATH_MAC:

-            seps = _T(":");
+            seps = wxFILE_SEP_PATH_MAC;

             break;
     }
 
             break;
     }
 


@@ -408,6 +464,7 @@ bool wxFileName::IsWild( wxPathFormat format )
 {
     // FIXME: this is probably false for Mac and this is surely wrong for most
     //        of Unix shells (think about "[...]")
 {
     // FIXME: this is probably false for Mac and this is surely wrong for most
     //        of Unix shells (think about "[...]")

+       (void)format;

     return m_name.find_first_of(_T("*?")) != wxString::npos;
 }
 
     return m_name.find_first_of(_T("*?")) != wxString::npos;
 }
 


@@ -439,12 +496,17 @@ void wxFileName::RemoveDir( int pos )
 // accessors
 // ----------------------------------------------------------------------------
 
 // accessors
 // ----------------------------------------------------------------------------
 

+void wxFileName::SetFullName(const wxString& fullname)
+{
+    SplitPath(fullname, NULL /* no path */, &m_name, &m_ext);
+}
+

 wxString wxFileName::GetFullName() const
 {
     wxString fullname = m_name;
     if ( !m_ext.empty() )
     {
 wxString wxFileName::GetFullName() const
 {
     wxString fullname = m_name;
     if ( !m_ext.empty() )
     {

-        fullname << EXT_SEP << m_ext;
+        fullname << wxFILE_SEP_EXT << m_ext;

     }
 
     return fullname;
     }
 
     return fullname;


@@ -468,7 +530,184 @@ wxString wxFileName::GetPath( bool add_separator, wxPathFormat format ) const
 
 wxString wxFileName::GetFullPath( wxPathFormat format ) const
 {
 
 wxString wxFileName::GetFullPath( wxPathFormat format ) const
 {

-    return GetPathWithSep() + GetFullName();
+    format = GetFormat( format );
+    
+    wxString ret;
+    if (format == wxPATH_DOS)
+    {
+        for (size_t i = 0; i < m_dirs.GetCount(); i++)
+        {
+            ret += m_dirs[i];
+            ret += '\\';
+        }
+    }
+    else
+    if (format == wxPATH_UNIX)
+    {
+        for (size_t i = 0; i < m_dirs.GetCount(); i++)
+        {
+            ret += m_dirs[i];
+            ret += '/';
+        }
+    }
+    else
+    {
+        for (size_t i = 0; i < m_dirs.GetCount(); i++)
+        {
+            ret += m_dirs[i];
+            ret += ':';
+        }
+    }
+    
+    ret += m_name;
+    
+    if (!m_ext.IsEmpty())
+    {
+        ret += '.';
+        ret += m_ext;
+    }
+    
+    return ret;
+}
+
+// Return the short form of the path (returns identity on non-Windows platforms)
+wxString wxFileName::GetShortPath() const
+{
+#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
+    wxString path(GetFullPath());
+    wxString pathOut;
+    DWORD sz = ::GetShortPathName(path, NULL, 0);
+    bool ok = sz != 0;
+    if ( ok )
+    {
+        ok = ::GetShortPathName
+               (
+                path,
+                pathOut.GetWriteBuf(sz),
+                sz
+               ) != 0;
+        pathOut.UngetWriteBuf();
+    }
+    if (ok)
+        return pathOut;
+
+    return path;
+#else
+    return GetFullPath();
+#endif
+}
+
+// Return the long form of the path (returns identity on non-Windows platforms)
+wxString wxFileName::GetLongPath() const
+{
+#if defined(__WXMSW__) && defined(__WIN32__) && !defined(__WXMICROWIN__)
+    wxString path(GetFullPath());
+    wxString pathOut;
+    bool success = FALSE;
+
+    // VZ: this code was disabled, why?
+#if 0 // wxUSE_DYNLIB_CLASS
+    typedef DWORD (*GET_LONG_PATH_NAME)(const wxChar *, wxChar *, DWORD);
+
+    static bool s_triedToLoad = FALSE;
+
+    if ( !s_triedToLoad )
+    {
+        s_triedToLoad = TRUE;
+        wxDllType dllKernel = wxDllLoader::LoadLibrary(_T("kernel32"));
+        if ( dllKernel )
+        {
+            // may succeed or fail depending on the Windows version
+                       static GET_LONG_PATH_NAME s_pfnGetLongPathName = NULL;
+#ifdef _UNICODE
+            s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameW"));
+#else
+            s_pfnGetLongPathName = (GET_LONG_PATH_NAME) wxDllLoader::GetSymbol(dllKernel, _T("GetLongPathNameA"));
+#endif
+
+            wxDllLoader::UnloadLibrary(dllKernel);
+
+            if ( s_pfnGetLongPathName )
+            {
+                DWORD dwSize = (*s_pfnGetLongPathName)(path, NULL, 0);
+                bool ok = dwSize > 0;
+
+                if ( ok )
+                {
+                    DWORD sz = (*s_pfnGetLongPathName)(path, NULL, 0);
+                    ok = sz != 0;
+                    if ( ok )
+                    {
+                        ok = (*s_pfnGetLongPathName)
+                                (
+                                path,
+                                pathOut.GetWriteBuf(sz),
+                                sz
+                                ) != 0;
+                        pathOut.UngetWriteBuf();
+
+                        success = TRUE;
+                    }
+                }
+            }
+        }
+    }
+    if (success)
+        return pathOut;
+#endif // wxUSE_DYNLIB_CLASS
+
+    if (!success)
+    {
+        // The OS didn't support GetLongPathName, or some other error.
+        // We need to call FindFirstFile on each component in turn.
+
+        WIN32_FIND_DATA findFileData;
+        HANDLE hFind;
+        pathOut = wxEmptyString;
+
+        wxArrayString dirs = GetDirs();
+        dirs.Add(GetFullName());
+
+        size_t count = dirs.GetCount();
+        size_t i;
+        wxString tmpPath;
+
+        for ( i = 0; i < count; i++ )
+        {
+            // We're using pathOut to collect the long-name path,
+            // but using a temporary for appending the last path component which may be short-name
+            tmpPath = pathOut + dirs[i];
+
+            if (tmpPath.Last() == wxT(':'))
+            {
+                // Can't pass a drive and root dir to FindFirstFile,
+                // so continue to next dir
+                tmpPath += wxFILE_SEP_PATH;
+                pathOut = tmpPath;
+                continue;
+            }
+
+            hFind = ::FindFirstFile(tmpPath, &findFileData);
+            if (hFind == INVALID_HANDLE_VALUE)
+            {
+                // Error: return immediately with the original path
+                return path;
+            }
+            else
+            {
+                pathOut += findFileData.cFileName;
+                if ( (i < (count-1)) )
+                    pathOut += wxFILE_SEP_PATH;
+
+                ::FindClose(hFind);
+            }
+        }
+    }
+
+    return pathOut;
+#else
+    return GetFullPath();
+#endif

 }
 
 wxPathFormat wxFileName::GetFormat( wxPathFormat format )
 }
 
 wxPathFormat wxFileName::GetFormat( wxPathFormat format )


@@ -478,7 +717,7 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format )
 #if defined(__WXMSW__) || defined(__WXPM__)
         format = wxPATH_DOS;
 #elif defined(__WXMAC__)
 #if defined(__WXMSW__) || defined(__WXPM__)
         format = wxPATH_DOS;
 #elif defined(__WXMAC__)

-        format = wxPATH_MAC;
+        format = wxPATH_MAC; 

 #else
         format = wxPATH_UNIX;
 #endif
 #else
         format = wxPATH_UNIX;
 #endif


@@ -486,3 +725,92 @@ wxPathFormat wxFileName::GetFormat( wxPathFormat format )
     return format;
 }
 
     return format;
 }
 

+// ----------------------------------------------------------------------------
+// path splitting function
+// ----------------------------------------------------------------------------
+
+void wxFileName::SplitPath(const wxString& fullpath,
+                           wxString *pstrPath,
+                           wxString *pstrName,
+                           wxString *pstrExt,
+                           wxPathFormat format)
+{
+    format = GetFormat(format);
+
+    // find the positions of the last dot and last path separator in the path
+    size_t posLastDot = fullpath.find_last_of(wxFILE_SEP_EXT);
+    size_t posLastSlash = fullpath.find_last_of(GetPathSeparators(format));
+
+    if ( (posLastDot != wxString::npos) && (format == wxPATH_UNIX) )
+    {
+        if ( (posLastDot == 0) ||
+             (fullpath[posLastDot - 1] == wxFILE_SEP_PATH_UNIX) )
+        {
+            // under Unix, dot may be (and commonly is) the first character of
+            // the filename, don't treat the entire filename as extension in
+            // this case
+            posLastDot = wxString::npos;
+        }
+    }
+
+    // if we do have a dot and a slash, check that the dot is in the name part
+    if ( (posLastDot != wxString::npos) &&
+         (posLastSlash != wxString::npos) &&
+         (posLastDot < posLastSlash) )
+    {
+        // the dot is part of the path, not the start of the extension
+        posLastDot = wxString::npos;
+    }
+
+    // now fill in the variables provided by user
+    if ( pstrPath )
+    {
+        if ( posLastSlash == wxString::npos )
+        {
+            // no path at all
+            pstrPath->Empty();
+        }
+        else
+        {
+            // take all until the separator
+            *pstrPath = fullpath.Left(posLastSlash);
+        }
+    }
+
+    if ( pstrName )
+    {
+        // take all characters starting from the one after the last slash and
+        // up to, but excluding, the last dot
+        size_t nStart = posLastSlash == wxString::npos ? 0 : posLastSlash + 1;
+        size_t count;
+        if ( posLastDot == wxString::npos )
+        {
+            // take all until the end
+            count = wxString::npos;
+        }
+        else if ( posLastSlash == wxString::npos )
+        {
+            count = posLastDot;
+        }
+        else // have both dot and slash
+        {
+            count = posLastDot - posLastSlash - 1;
+        }
+
+        *pstrName = fullpath.Mid(nStart, count);
+    }
+
+    if ( pstrExt )
+    {
+        if ( posLastDot == wxString::npos )
+        {
+            // no extension
+            pstrExt->Empty();
+        }
+        else
+        {
+            // take everything after the dot
+            *pstrExt = fullpath.Mid(posLastDot + 1);
+        }
+    }
+}