Merge in from trunk r64802 - r68625

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

diff --git a/src/common/zstream.cpp b/src/common/zstream.cpp
index 44c26f2703136e79aa1ea365a3b8fdbb7dce71de..739a58e836bbf2c4c0a86b6592add67a910efdc0 100644 (file)
--- a/src/common/zstream.cpp
+++ b/src/common/zstream.cpp
@@ -19,6 +19,7 @@
 #if wxUSE_ZLIB && wxUSE_STREAMS
 
 #include "wx/zstream.h"
+#include "wx/versioninfo.h"
 
 #ifndef WX_PRECOMP
     #include "wx/intl.h"
@@ -44,6 +45,14 @@ enum {
 };
 
 
+wxVersionInfo wxGetZlibVersionInfo()
+{
+    return wxVersionInfo("zlib",
+                         ZLIB_VERNUM >> 12,
+                         (ZLIB_VERNUM >> 8) & 0x0F,
+                         (ZLIB_VERNUM & 0xFF) / 0x10);
+}
+
 /////////////////////////////////////////////////////////////////////////////
 // Zlib Class factory
 
@@ -60,8 +69,8 @@ wxZlibClassFactory::wxZlibClassFactory()
 const wxChar * const *
 wxZlibClassFactory::GetProtocols(wxStreamProtocolType type) const
 {
-    static const wxChar *mimes[] = { _T("application/x-deflate"), NULL };
-    static const wxChar *encs[] =  { _T("deflate"), NULL };
+    static const wxChar *mimes[] = { wxT("application/x-deflate"), NULL };
+    static const wxChar *encs[] =  { wxT("deflate"), NULL };
     static const wxChar *empty[] = { NULL };
 
     switch (type) {
@@ -88,14 +97,14 @@ wxGzipClassFactory::wxGzipClassFactory()
 const wxChar * const *
 wxGzipClassFactory::GetProtocols(wxStreamProtocolType type) const
 {
-    static const wxChar *protos[] =     
-        { _T("gzip"), NULL };
-    static const wxChar *mimes[] =     
-        { _T("application/gzip"), _T("application/x-gzip"), NULL };
-    static const wxChar *encs[] = 
-        { _T("gzip"), NULL };
-    static const wxChar *exts[] =    
-        { _T(".gz"), _T(".gzip"), NULL };
+    static const wxChar *protos[] =
+        { wxT("gzip"), NULL };
+    static const wxChar *mimes[] =
+        { wxT("application/gzip"), wxT("application/x-gzip"), NULL };
+    static const wxChar *encs[] =
+        { wxT("gzip"), NULL };
+    static const wxChar *exts[] =
+        { wxT(".gz"), wxT(".gzip"), NULL };
     static const wxChar *empty[] =
         { NULL };
 
@@ -224,7 +233,9 @@ size_t wxZlibInputStream::OnSysRead(void *buffer, size_t size)
       // by the parent strean,
       m_lasterror = wxSTREAM_READ_ERROR;
       if (m_parent_i_stream->Eof())
+      {
           wxLogError(_("Can't read inflate stream: unexpected EOF in underlying stream."));
+      }
       break;
 
     default:
@@ -248,6 +259,16 @@ size_t wxZlibInputStream::OnSysRead(void *buffer, size_t size)
   return major > 1 || (major == 1 && minor >= 2);
 }
 
+bool wxZlibInputStream::SetDictionary(const char *data, const size_t datalen)
+{
+    return (inflateSetDictionary(m_inflate, (Bytef*)data, datalen) == Z_OK);
+}
+
+bool wxZlibInputStream::SetDictionary(const wxMemoryBuffer &buf)
+{
+    return SetDictionary((char*)buf.GetData(), buf.GetDataLen());
+}
+
 
 //////////////////////
 // wxZlibOutputStream
@@ -323,11 +344,8 @@ bool wxZlibOutputStream::Close()
  {
   DoFlush(true);
    deflateEnd(m_deflate);
-   delete m_deflate;
-
-  m_deflate = NULL;
-   delete[] m_z_buffer;
-  m_z_buffer = NULL;
+   wxDELETE(m_deflate);
+   wxDELETEA(m_z_buffer);
 
   return wxFilterOutputStream::Close() && IsOk();
  }
@@ -412,5 +430,15 @@ size_t wxZlibOutputStream::OnSysWrite(const void *buffer, size_t size)
   return wxZlibInputStream::CanHandleGZip();
 }
 
+bool wxZlibOutputStream::SetDictionary(const char *data, const size_t datalen)
+{
+    return (deflateSetDictionary(m_deflate, (Bytef*)data, datalen) == Z_OK);
+}
+
+bool wxZlibOutputStream::SetDictionary(const wxMemoryBuffer &buf)
+{
+    return SetDictionary((char*)buf.GetData(), buf.GetDataLen());
+}
+
 #endif
   // wxUSE_ZLIB && wxUSE_STREAMS