Minor improvement.

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

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index be174c1b4819605aad5d577b449737ef48293cc2..771d9c32d2cb0b637b93e83179ba3268ad745bd0 100644 (file)
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -17,193 +17,149 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__

-#pragma hdrstop
+  #pragma hdrstop

 #endif
 
 #endif
 

-#ifndef WX_PRECOMP
-#include "wx/defs.h"
-#endif
+#if wxUSE_STREAMS

 
 #include "wx/datstrm.h"
 
 
 #include "wx/datstrm.h"
 

-wxDataStream::wxDataStream(istream& s)
-{
-  m_istream = &s;
-  m_ostream = NULL;
-}
-
-wxDataStream::wxDataStream(ostream& s)
-{
-  m_istream = NULL;
-  m_ostream = &s;
-}
+// ---------------------------------------------------------------------------
+// wxDataInputStream
+// ---------------------------------------------------------------------------

 
 

-wxDataStream::wxDataStream(iostream& s)
+wxDataInputStream::wxDataInputStream(wxInputStream& s)
+  : wxFilterInputStream(s)

 {
 {

-  m_istream = &s;
-  m_ostream = &s;

 }
 
 }
 

-wxDataStream::~wxDataStream()
+wxDataInputStream::~wxDataInputStream()

 {
 }
 
 {
 }
 

-unsigned long wxDataStream::Read32()
+wxUint32 wxDataInputStream::Read32()

 {
   char buf[4];
 
 {
   char buf[4];
 

-  if (!m_istream)
-    return 0;
-
-  m_istream->read(buf, 4);
+  Read(buf, 4);

 
 

-  return (unsigned long)buf[0] |
-         ((unsigned long)buf[1] << 8) |
-         ((unsigned long)buf[2] << 16) |
-         ((unsigned long)buf[3] << 24);
+  return (wxUint32)buf[0] |
+         ((wxUint32)buf[1] << 8) |
+         ((wxUint32)buf[2] << 16) |
+         ((wxUint32)buf[3] << 24);

 }
 
 }
 

-unsigned short wxDataStream::Read16()
+wxUint16 wxDataInputStream::Read16()

 {
   char buf[2];
 
 {
   char buf[2];
 

-  if (!m_istream)
-    return 0;
-
-  m_istream->read(buf, 2);
+  Read(buf, 2);

 
 

-  return (unsigned short)buf[0] |
-         ((unsigned short)buf[1] << 8);
+  return (wxUint16)buf[0] |
+         ((wxUint16)buf[1] << 8);

 }
 
 }
 

-unsigned char wxDataStream::Read8()
+wxUint8 wxDataInputStream::Read8()

 {
 {

-  char buf;
+  wxUint8 buf;

 
 

-  if (!m_istream)
-    return 0;
-
-  m_istream->read(&buf, 1);
-  return (unsigned char)buf;
+  Read((char *)&buf, 1);
+  return (wxUint8)buf;

 }
 
 // Must be at global scope for VC++ 5
 extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
 
 }
 
 // Must be at global scope for VC++ 5
 extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
 

-double wxDataStream::ReadDouble()
+double wxDataInputStream::ReadDouble()

 {
 {

-#if USE_APPLE_IEEE
+#if wxUSE_APPLE_IEEE

   char buf[10];
 
   char buf[10];
 

-  if (!m_istream)
-    return 0.0;
-
-  m_istream->read(buf, 10);
+  Read(buf, 10);

   return ConvertFromIeeeExtended((unsigned char *)buf);
 #else
   return 0.0;
 #endif
 }
 
   return ConvertFromIeeeExtended((unsigned char *)buf);
 #else
   return 0.0;
 #endif
 }
 

-wxString wxDataStream::ReadLine()
-{
-  char i_strg[255];
-
-  if (!m_istream)
-    return "";
-
-  m_istream->getline(i_strg, 255);
-  return i_strg;
-}
-
-wxString wxDataStream::ReadString()
+wxString wxDataInputStream::ReadString()

 {
   wxString wx_string;
   char *string;
   unsigned long len;
 
 {
   wxString wx_string;
   char *string;
   unsigned long len;
 

-  if (!m_istream)
-    return "";
-

   len = Read32();
   string = new char[len+1];
 
   len = Read32();
   string = new char[len+1];
 

-  m_istream->read(string, len);
+  Read(string, len);

 
   string[len] = 0;
   wx_string = string;
   delete string;
 
 
   string[len] = 0;
   wx_string = string;
   delete string;
 

-  return wx_string; 
+  return wx_string;

 }
 
 }
 

-void wxDataStream::Write32(unsigned long i)
+// ---------------------------------------------------------------------------
+// wxDataOutputStream
+// ---------------------------------------------------------------------------
+
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
+ : wxFilterOutputStream(s)

 {
 {

-  char buf[4];
+}

 
 

-  if (!m_ostream)
-    return;
+wxDataOutputStream::~wxDataOutputStream()
+{
+}
+
+void wxDataOutputStream::Write32(wxUint32 i)
+{
+  char buf[4];

 
   buf[0] = i & 0xff;
   buf[1] = (i >> 8) & 0xff;
   buf[2] = (i >> 16) & 0xff;
   buf[3] = (i >> 24) & 0xff;
 
   buf[0] = i & 0xff;
   buf[1] = (i >> 8) & 0xff;
   buf[2] = (i >> 16) & 0xff;
   buf[3] = (i >> 24) & 0xff;

-  m_ostream->write(buf, 4);
+  Write(buf, 4);

 }
 
 }
 

-void wxDataStream::Write16(unsigned short i)
+void wxDataOutputStream::Write16(wxUint16 i)

 {
   char buf[2];
 
 {
   char buf[2];
 

-  if (!m_ostream)
-    return;
-

   buf[0] = i & 0xff;
   buf[1] = (i >> 8) & 0xff;
   buf[0] = i & 0xff;
   buf[1] = (i >> 8) & 0xff;

-  m_ostream->write(buf, 2);
+  Write(buf, 2);

 }
 
 }
 

-void wxDataStream::Write8(unsigned char i)
+void wxDataOutputStream::Write8(wxUint8 i)

 {
 {

-  if (!m_ostream)
-    return;
-
-  m_ostream->write(&i, 1);
+  Write(&i, 1);

 }
 
 }
 

-void wxDataStream::WriteLine(const wxString& line)
+void wxDataOutputStream::WriteString(const wxString& string)

 {
 {

-#ifdef __WINDOWS__
-  wxString tmp_string = line + "\r\n";
-#else
-  wxString tmp_string = line + '\n';
-#endif
-
-  if (!m_ostream)
-    return;
-
-  m_ostream->write((const char *) tmp_string, tmp_string.Length());
-}
-
-void wxDataStream::WriteString(const wxString& string)
-{
-  if (!m_ostream)
-    return;
-

   Write32(string.Length());
   Write32(string.Length());

-  m_ostream->write((const char *) string, string.Length());
+  Write((const wxChar *) string, string.Length()*sizeof(wxChar));

 }
 
 // Must be at global scope for VC++ 5
 extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
 
 }
 
 // Must be at global scope for VC++ 5
 extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
 

-void wxDataStream::WriteDouble(double d)
+void wxDataOutputStream::WriteDouble(double d)

 {
   char buf[10];
 
 {
   char buf[10];
 

-  if (!m_ostream)
-    return;
-
+#if wxUSE_APPLE_IEEE

   ConvertToIeeeExtended(d, (unsigned char *)buf);
   ConvertToIeeeExtended(d, (unsigned char *)buf);

-  m_ostream->write(buf, 10);
+#else
+#  pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+ buf[0] = '\0';
+#endif
+  Write(buf, 10);

 }
 }

+
+#endif
+  // wxUSE_STREAMS
+