added checks for more wxUSE_SVG dependencies: wxUSE_IMAGE and wxUSE_LIBPNG

[wxWidgets.git] / include / wx / wfstream.h

diff --git a/include/wx/wfstream.h b/include/wx/wfstream.h
index 0b4be35d9b0b6c75e9054e5ad99fcd11ba987a40..378ef9fcda90251d8e8db8dd5768f7eade7fc44a 100644 (file)
--- a/include/wx/wfstream.h
+++ b/include/wx/wfstream.h
@@ -12,13 +12,9 @@
 #ifndef _WX_WXFSTREAM_H__
 #define _WX_WXFSTREAM_H__
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "wfstream.h"
-#endif
-
 #include "wx/defs.h"
 
-#if wxUSE_STREAMS && wxUSE_FILE
+#if wxUSE_STREAMS
 
 #include "wx/object.h"
 #include "wx/string.h"
@@ -26,6 +22,8 @@
 #include "wx/file.h"
 #include "wx/ffile.h"
 
+#if wxUSE_FILE
+
 // ----------------------------------------------------------------------------
 // wxFileStream using wxFile
 // ----------------------------------------------------------------------------
@@ -36,12 +34,13 @@ public:
     wxFileInputStream(const wxString& ifileName);
     wxFileInputStream(wxFile& file);
     wxFileInputStream(int fd);
-    ~wxFileInputStream();
+    virtual ~wxFileInputStream();
 
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
-    bool IsSeekable() const { return m_file->GetFileType() == wxFILE_TYPE_DISK; }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     wxFileInputStream();
@@ -69,8 +68,9 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
-    bool IsSeekable() const { return m_file->GetFileType() == wxFILE_TYPE_DISK; }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     wxFileOutputStream();
@@ -86,16 +86,46 @@ protected:
     DECLARE_NO_COPY_CLASS(wxFileOutputStream)
 };
 
+class WXDLLIMPEXP_BASE wxTempFileOutputStream : public wxOutputStream
+{
+public:
+    wxTempFileOutputStream(const wxString& fileName);
+    virtual ~wxTempFileOutputStream();
+
+    bool Close() { return Commit(); }
+    virtual bool Commit() { return m_file->Commit(); }
+    virtual void Discard() { m_file->Discard(); }
+
+    wxFileOffset GetLength() const { return m_file->Length(); }
+    bool IsSeekable() const { return true; }
+
+protected:
+    size_t OnSysWrite(const void *buffer, size_t size);
+    wxFileOffset OnSysSeek(wxFileOffset pos, wxSeekMode mode)
+        { return m_file->Seek(pos, mode); }
+    wxFileOffset OnSysTell() const { return m_file->Tell(); }
+
+private:
+    wxTempFile *m_file;
+
+    DECLARE_NO_COPY_CLASS(wxTempFileOutputStream)
+};
+
 class WXDLLIMPEXP_BASE wxFileStream : public wxFileInputStream,
                                       public wxFileOutputStream
 {
 public:
     wxFileStream(const wxString& fileName);
+    virtual bool IsOk() const;
 
 private:
     DECLARE_NO_COPY_CLASS(wxFileStream)
 };
 
+#endif //wxUSE_FILE
+
+#if wxUSE_FFILE
+
 // ----------------------------------------------------------------------------
 // wxFFileStream using wxFFile
 // ----------------------------------------------------------------------------
@@ -103,15 +133,16 @@ private:
 class WXDLLIMPEXP_BASE wxFFileInputStream : public wxInputStream
 {
 public:
-    wxFFileInputStream(const wxString& fileName, const wxChar *mode = _T("rb"));
+    wxFFileInputStream(const wxString& fileName, const wxString& mode = "rb");
     wxFFileInputStream(wxFFile& file);
     wxFFileInputStream(FILE *file);
-    ~wxFFileInputStream();
+    virtual ~wxFFileInputStream();
 
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
-    bool IsSeekable() const { return m_file->GetFileType() == wxFILE_TYPE_DISK; }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     wxFFileInputStream();
@@ -130,7 +161,7 @@ protected:
 class WXDLLIMPEXP_BASE wxFFileOutputStream : public wxOutputStream
 {
 public:
-    wxFFileOutputStream(const wxString& fileName, const wxChar *mode = _T("w+b"));
+    wxFFileOutputStream(const wxString& fileName, const wxString& mode = "w+b");
     wxFFileOutputStream(wxFFile& file);
     wxFFileOutputStream(FILE *file);
     virtual ~wxFFileOutputStream();
@@ -139,8 +170,9 @@ public:
     bool Close() { return m_file_destroy ? m_file->Close() : true; }
     wxFileOffset GetLength() const;
 
-    bool Ok() const { return m_file->IsOpened(); }
-    bool IsSeekable() const { return m_file->GetFileType() == wxFILE_TYPE_DISK; }
+    bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const;
+    bool IsSeekable() const { return m_file->GetKind() == wxFILE_KIND_DISK; }
 
 protected:
     wxFFileOutputStream();
@@ -161,11 +193,14 @@ class WXDLLIMPEXP_BASE wxFFileStream : public wxFFileInputStream,
 {
 public:
     wxFFileStream(const wxString& fileName);
+    virtual bool IsOk() const;
 
 private:
     DECLARE_NO_COPY_CLASS(wxFFileStream)
 };
 
-#endif // wxUSE_STREAMS && wxUSE_FILE
+#endif //wxUSE_FFILE
+
+#endif // wxUSE_STREAMS
 
 #endif // _WX_WXFSTREAM_H__