X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/2df7be7f2cca699a02ee0c9ce69de9bfe6b0922f..6842d18650b487249b4ae29d0d7e17231b24cde8:/src/common/mstream.cpp

diff --git a/src/common/mstream.cpp b/src/common/mstream.cpp
index c6a58a04a1..aed7cae179 100644
--- a/src/common/mstream.cpp
+++ b/src/common/mstream.cpp
@@ -23,8 +23,8 @@
 #if wxUSE_STREAMS
 
 #include <stdlib.h>
-#include <wx/stream.h>
-#include <wx/mstream.h>
+#include "wx/stream.h"
+#include "wx/mstream.h"
 
 // ----------------------------------------------------------------------------
 // wxMemoryInputStream
@@ -33,14 +33,17 @@
 wxMemoryInputStream::wxMemoryInputStream(const char *data, size_t len)
   : wxInputStream()
 {
+  m_i_streambuf = new wxStreamBuffer(wxStreamBuffer::read);
   m_i_streambuf->SetBufferIO((char*) data, (char*) (data+len));
   m_i_streambuf->SetIntPosition(0); // seek to start pos
   m_i_streambuf->Fixed(TRUE);
+
   m_length = len;
 }
 
 wxMemoryInputStream::~wxMemoryInputStream()
 {
+  delete m_i_streambuf;
 }
 
 char wxMemoryInputStream::Peek()
@@ -48,6 +51,22 @@ char wxMemoryInputStream::Peek()
   return m_i_streambuf->GetBufferStart()[m_i_streambuf->GetIntPosition()];
 }
 
+size_t wxMemoryInputStream::OnSysRead(void *buffer, size_t nbytes)
+{
+  m_lastcount = 0;
+  return m_i_streambuf->Read(buffer, nbytes);
+}
+
+off_t wxMemoryInputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+{
+  return m_i_streambuf->Seek(pos, mode);
+}
+
+off_t wxMemoryInputStream::OnSysTell() const
+{
+  return m_i_streambuf->Tell();
+}
+
 // ----------------------------------------------------------------------------
 // wxMemoryOutputStream
 // ----------------------------------------------------------------------------
@@ -55,13 +74,44 @@ char wxMemoryInputStream::Peek()
 wxMemoryOutputStream::wxMemoryOutputStream(char *data, size_t len)
   : wxOutputStream()
 {
+  m_o_streambuf = new wxStreamBuffer(wxStreamBuffer::write);
   if (data)
     m_o_streambuf->SetBufferIO(data, data+len);
-  m_o_streambuf->Fixed(TRUE);
+  m_o_streambuf->Fixed(FALSE);
+  m_o_streambuf->Flushable(FALSE);
 }
 
 wxMemoryOutputStream::~wxMemoryOutputStream()
 {
+  delete m_o_streambuf;
+}
+
+size_t wxMemoryOutputStream::OnSysWrite(const void *buffer, size_t nbytes)
+{
+  m_lastcount = 0;
+  return m_o_streambuf->Write(buffer, nbytes);
+}
+
+off_t wxMemoryOutputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+{
+  return m_o_streambuf->Seek(pos, mode);
+}
+
+off_t wxMemoryOutputStream::OnSysTell() const
+{
+  return m_o_streambuf->Tell();
+}
+
+size_t wxMemoryOutputStream::CopyTo(char *buffer, size_t len) const
+{
+  if (!buffer)
+    return 0;
+
+  if (len > GetSize())
+    len = GetSize();
+
+  memcpy(buffer, m_o_streambuf->GetBufferStart(), len);
+  return len;
 }
 
 #endif