moving all dataview files to advanced

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

diff --git a/src/common/wfstream.cpp b/src/common/wfstream.cpp
index 74bdde104059b597489e39340d30d03740f4979f..de2af11173b63112f29ab52ba5bb787835a7b593 100644 (file)
--- a/src/common/wfstream.cpp
+++ b/src/common/wfstream.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        fstream.cpp
+// Name:        src/common/fstream.cpp

 // Purpose:     "File stream" classes
 // Author:      Julian Smart
 // Modified by:
 // Purpose:     "File stream" classes
 // Author:      Julian Smart
 // Modified by:


@@ -13,15 +13,19 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-  #pragma hdrstop
+    #pragma hdrstop

 #endif
 
 #if wxUSE_STREAMS
 
 #endif
 
 #if wxUSE_STREAMS
 

-#include <stdio.h>
-#include "wx/stream.h"

 #include "wx/wfstream.h"
 
 #include "wx/wfstream.h"
 

+#ifndef WX_PRECOMP
+    #include "wx/stream.h"
+#endif
+
+#include <stdio.h>
+

 #if wxUSE_FILE
 
 // ----------------------------------------------------------------------------
 #if wxUSE_FILE
 
 // ----------------------------------------------------------------------------


@@ -103,6 +107,11 @@ wxFileOffset wxFileInputStream::OnSysTell() const
     return m_file->Tell();
 }
 
     return m_file->Tell();
 }
 

+bool wxFileInputStream::IsOk() const
+{
+    return wxInputStream::IsOk() && m_file->IsOpened();
+}
+

 // ----------------------------------------------------------------------------
 // wxFileOutputStream
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxFileOutputStream
 // ----------------------------------------------------------------------------


@@ -174,6 +183,11 @@ wxFileOffset wxFileOutputStream::GetLength() const
     return m_file->Length();
 }
 
     return m_file->Length();
 }
 

+bool wxFileOutputStream::IsOk() const
+{
+    return wxOutputStream::IsOk() && m_file->IsOpened();
+}
+

 // ----------------------------------------------------------------------------
 // wxTempFileOutputStream
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxTempFileOutputStream
 // ----------------------------------------------------------------------------


@@ -206,12 +220,24 @@ size_t wxTempFileOutputStream::OnSysWrite(const void *buffer, size_t size)
 // ----------------------------------------------------------------------------
 
 wxFileStream::wxFileStream(const wxString& fileName)
 // ----------------------------------------------------------------------------
 
 wxFileStream::wxFileStream(const wxString& fileName)

-            : wxFileInputStream(fileName)
+            : wxFileInputStream(),
+              wxFileOutputStream()

 {
 {

-    wxFileOutputStream::m_file = wxFileInputStream::m_file;
+    wxFileOutputStream::m_file =
+    wxFileInputStream::m_file = new wxFile(fileName, wxFile::read_write);
+
+    // this is a bit ugly as streams are symmetric but we still have to delete
+    // the file we created above exactly once so we decide to (arbitrarily) do
+    // it in wxFileInputStream
+    wxFileInputStream::m_file_destroy = true;

 }
 
 }
 

-#endif //wxUSE_FILE
+bool wxFileStream::IsOk() const
+{
+    return wxFileOutputStream::IsOk() && wxFileInputStream::IsOk();
+}
+
+#endif // wxUSE_FILE

 
 #if wxUSE_FFILE
 
 
 #if wxUSE_FFILE
 


@@ -220,7 +246,7 @@ wxFileStream::wxFileStream(const wxString& fileName)
 // ----------------------------------------------------------------------------
 
 wxFFileInputStream::wxFFileInputStream(const wxString& fileName,
 // ----------------------------------------------------------------------------
 
 wxFFileInputStream::wxFFileInputStream(const wxString& fileName,

-                                       const wxChar *mode)
+                                       const wxString& mode)

                   : wxInputStream()
 {
     m_file = new wxFFile(fileName, mode);
                   : wxInputStream()
 {
     m_file = new wxFFile(fileName, mode);


@@ -286,12 +312,17 @@ wxFileOffset wxFFileInputStream::OnSysTell() const
     return m_file->Tell();
 }
 
     return m_file->Tell();
 }
 

+bool wxFFileInputStream::IsOk() const
+{
+    return wxStreamBase::IsOk() && m_file->IsOpened();
+}
+

 // ----------------------------------------------------------------------------
 // wxFFileOutputStream
 // ----------------------------------------------------------------------------
 
 wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName,
 // ----------------------------------------------------------------------------
 // wxFFileOutputStream
 // ----------------------------------------------------------------------------
 
 wxFFileOutputStream::wxFFileOutputStream(const wxString& fileName,

-                                         const wxChar *mode)
+                                         const wxString& mode)

 {
     m_file = new wxFFile(fileName, mode);
     m_file_destroy = true;
 {
     m_file = new wxFFile(fileName, mode);
     m_file_destroy = true;


@@ -367,17 +398,34 @@ wxFileOffset wxFFileOutputStream::GetLength() const
     return m_file->Length();
 }
 
     return m_file->Length();
 }
 

+bool wxFFileOutputStream::IsOk() const
+{
+    return wxStreamBase::IsOk() && m_file->IsOpened();
+}
+

 // ----------------------------------------------------------------------------
 // wxFFileStream
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // wxFFileStream
 // ----------------------------------------------------------------------------
 

-wxFFileStream::wxFFileStream(const wxString& fileName)
-             : wxFFileInputStream(fileName)
+wxFFileStream::wxFFileStream(const wxString& fileName, const wxString& mode)
+             : wxFFileInputStream(),
+               wxFFileOutputStream()

 {
 {

-    wxFFileOutputStream::m_file = wxFFileInputStream::m_file;
+    wxASSERT_MSG( mode.find_first_of('+') != wxString::npos,
+                  "must be opened in read-write mode for this class to work" );
+
+    wxFFileOutputStream::m_file =
+    wxFFileInputStream::m_file = new wxFFile(fileName, mode);
+
+    // see comment in wxFileStream ctor
+    wxFFileInputStream::m_file_destroy = true;
+}
+
+bool wxFFileStream::IsOk() const
+{
+    return wxFFileOutputStream::IsOk() && wxFFileInputStream::IsOk();

 }
 
 #endif //wxUSE_FFILE
 
 #endif // wxUSE_STREAMS
 }
 
 #endif //wxUSE_FFILE
 
 #endif // wxUSE_STREAMS

-