X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..a7d403698f6750bbf8c161e88aee5ab8a6b0bcd4:/include/wx/zstream.h

diff --git a/include/wx/zstream.h b/include/wx/zstream.h
index 74ece7fb5b..d6c473080b 100644
--- a/include/wx/zstream.h
+++ b/include/wx/zstream.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        zstream.h
+// Name:        wx/zstream.h
 // Purpose:     Memory stream classes
 // Author:      Guilhem Lavaux
 // Modified by: Mike Wetherell
@@ -18,7 +18,7 @@
 #include "wx/stream.h"
 
 // Compression level
-enum {
+enum wxZlibCompressionLevels {
     wxZ_DEFAULT_COMPRESSION = -1,
     wxZ_NO_COMPRESSION = 0,
     wxZ_BEST_SPEED = 1,
@@ -26,10 +26,7 @@ enum {
 };
 
 // Flags
-enum {
-#if WXWIN_COMPATIBILITY_2_4
-    wxZLIB_24COMPATIBLE = 4, // read v2.4.x data without error
-#endif
+enum wxZLibFlags {
     wxZLIB_NO_HEADER = 0,    // raw deflate stream, no header or checksum
     wxZLIB_ZLIB = 1,         // zlib header and checksum
     wxZLIB_GZIP = 2,         // gzip header and checksum, requires zlib 1.2.1+
@@ -39,6 +36,7 @@ enum {
 class WXDLLIMPEXP_BASE wxZlibInputStream: public wxFilterInputStream {
  public:
   wxZlibInputStream(wxInputStream& stream, int flags = wxZLIB_AUTO);
+  wxZlibInputStream(wxInputStream *stream, int flags = wxZLIB_AUTO);
   virtual ~wxZlibInputStream();
 
   char Peek() { return wxInputStream::Peek(); }
@@ -50,14 +48,14 @@ class WXDLLIMPEXP_BASE wxZlibInputStream: public wxFilterInputStream {
   size_t OnSysRead(void *buffer, size_t size);
   wxFileOffset OnSysTell() const { return m_pos; }
 
+ private:
+  void Init(int flags);
+
  protected:
   size_t m_z_size;
   unsigned char *m_z_buffer;
   struct z_stream_s *m_inflate;
   wxFileOffset m_pos;
-#if WXWIN_COMPATIBILITY_2_4
-  bool m_24compatibilty;
-#endif
 
   DECLARE_NO_COPY_CLASS(wxZlibInputStream)
 };
@@ -65,6 +63,7 @@ class WXDLLIMPEXP_BASE wxZlibInputStream: public wxFilterInputStream {
 class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream {
  public:
   wxZlibOutputStream(wxOutputStream& stream, int level = -1, int flags = wxZLIB_ZLIB);
+  wxZlibOutputStream(wxOutputStream *stream, int level = -1, int flags = wxZLIB_ZLIB);
   virtual ~wxZlibOutputStream() { Close(); }
 
   void Sync() { DoFlush(false); }
@@ -79,6 +78,9 @@ class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream {
 
   virtual void DoFlush(bool final);
 
+ private:
+  void Init(int level, int flags);
+
  protected:
   size_t m_z_size;
   unsigned char *m_z_buffer;
@@ -88,6 +90,48 @@ class WXDLLIMPEXP_BASE wxZlibOutputStream: public wxFilterOutputStream {
   DECLARE_NO_COPY_CLASS(wxZlibOutputStream)
 };
 
+class WXDLLIMPEXP_BASE wxZlibClassFactory: public wxFilterClassFactory
+{
+public:
+    wxZlibClassFactory();
+
+    wxFilterInputStream *NewStream(wxInputStream& stream) const
+        { return new wxZlibInputStream(stream); }
+    wxFilterOutputStream *NewStream(wxOutputStream& stream) const
+        { return new wxZlibOutputStream(stream, -1); }
+    wxFilterInputStream *NewStream(wxInputStream *stream) const
+        { return new wxZlibInputStream(stream); }
+    wxFilterOutputStream *NewStream(wxOutputStream *stream) const
+        { return new wxZlibOutputStream(stream, -1); }
+
+    const wxChar * const *GetProtocols(wxStreamProtocolType type
+                                       = wxSTREAM_PROTOCOL) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxZlibClassFactory)
+};
+
+class WXDLLIMPEXP_BASE wxGzipClassFactory: public wxFilterClassFactory
+{
+public:
+    wxGzipClassFactory();
+
+    wxFilterInputStream *NewStream(wxInputStream& stream) const
+        { return new wxZlibInputStream(stream); }
+    wxFilterOutputStream *NewStream(wxOutputStream& stream) const
+        { return new wxZlibOutputStream(stream, -1); }
+    wxFilterInputStream *NewStream(wxInputStream *stream) const
+        { return new wxZlibInputStream(stream); }
+    wxFilterOutputStream *NewStream(wxOutputStream *stream) const
+        { return new wxZlibOutputStream(stream, -1); }
+
+    const wxChar * const *GetProtocols(wxStreamProtocolType type
+                                       = wxSTREAM_PROTOCOL) const;
+
+private:
+    DECLARE_DYNAMIC_CLASS(wxGzipClassFactory)
+};
+
 #endif
   // wxUSE_ZLIB && wxUSE_STREAMS