Add start of selection api, support for HasSelection, SelectAll and DeleteSelection...

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

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index 67a2e458050716b9e217faccfdafc981671df2b2..607c542647064d4983d1faff61b3501d4c2ed842 100644 (file)
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -19,7 +19,10 @@
 #if wxUSE_STREAMS
 
 #include "wx/datstrm.h"
-#include "wx/math.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/math.h"
+#endif //WX_PRECOMP
 
 // ---------------------------------------------------------------------------
 // wxDataInputStream
@@ -27,7 +30,7 @@
 
 #if wxUSE_UNICODE
 wxDataInputStream::wxDataInputStream(wxInputStream& s, const wxMBConv& conv)
-  : m_input(&s), m_be_order(false), m_conv(conv)
+  : m_input(&s), m_be_order(false), m_conv(conv.Clone())
 #else
 wxDataInputStream::wxDataInputStream(wxInputStream& s)
   : m_input(&s), m_be_order(false)
@@ -35,6 +38,21 @@ wxDataInputStream::wxDataInputStream(wxInputStream& s)
 {
 }
 
+wxDataInputStream::~wxDataInputStream()
+{
+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE
+}
+
+#if wxUSE_UNICODE
+void wxDataInputStream::SetConv( const wxMBConv &conv )
+{
+    delete m_conv;
+    m_conv = conv.Clone();
+}
+#endif
+
 #if wxHAS_INT64
 wxUint64 wxDataInputStream::Read64()
 {
@@ -82,7 +100,7 @@ double wxDataInputStream::ReadDouble()
   char buf[10];
 
   m_input->Read(buf, 10);
-  return ConvertFromIeeeExtended((const wxInt8 *)buf);
+  return wxConvertFromIeeeExtended((const wxInt8 *)buf);
 #else
   return 0.0;
 #endif
@@ -90,25 +108,27 @@ double wxDataInputStream::ReadDouble()
 
 wxString wxDataInputStream::ReadString()
 {
-  size_t len;
-
-  len = Read32();
+    wxString ret;
 
-  if (len > 0)
-  {
+    const size_t len = Read32();
+    if ( len > 0 )
+    {
 #if wxUSE_UNICODE
-    wxCharBuffer tmp(len + 1);
-    m_input->Read(tmp.data(), len);
-    tmp.data()[len] = '\0';
-    wxString ret(m_conv.cMB2WX(tmp.data()));
+        wxCharBuffer tmp(len + 1);
+        if ( tmp )
+        {
+            m_input->Read(tmp.data(), len);
+            tmp.data()[len] = '\0';
+            ret = m_conv->cMB2WX(tmp.data());
+        }
 #else
-    wxString ret;
-    m_input->Read( wxStringBuffer(ret, len), len);
+        wxStringBuffer buf(ret, len);
+        if ( buf )
+            m_input->Read(buf, len);
 #endif
+    }
+
     return ret;
-  }
-  else
-    return wxEmptyString;
 }
 
 #if wxUSE_LONGLONG
@@ -446,7 +466,7 @@ wxDataInputStream& wxDataInputStream::operator>>(float& f)
 
 #if wxUSE_UNICODE
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, const wxMBConv& conv)
-  : m_output(&s), m_be_order(false), m_conv(conv)
+  : m_output(&s), m_be_order(false), m_conv(conv.Clone())
 #else
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
   : m_output(&s), m_be_order(false)
@@ -454,6 +474,21 @@ wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
 {
 }
 
+wxDataOutputStream::~wxDataOutputStream()
+{
+#if wxUSE_UNICODE
+    delete m_conv;
+#endif // wxUSE_UNICODE
+}
+
+#if wxUSE_UNICODE
+void wxDataOutputStream::SetConv( const wxMBConv &conv )
+{
+    delete m_conv;
+    m_conv = conv.Clone();
+}
+#endif
+
 #if wxHAS_INT64
 void wxDataOutputStream::Write64(wxUint64 i)
 {
@@ -497,7 +532,7 @@ void wxDataOutputStream::Write8(wxUint8 i)
 void wxDataOutputStream::WriteString(const wxString& string)
 {
 #if wxUSE_UNICODE
-  const wxWX2MBbuf buf = string.mb_str(m_conv);
+  const wxWX2MBbuf buf = string.mb_str(*m_conv);
 #else
   const wxWX2MBbuf buf = string.mb_str();
 #endif
@@ -512,10 +547,15 @@ void wxDataOutputStream::WriteDouble(double d)
   char buf[10];
 
 #if wxUSE_APPLE_IEEE
-  ConvertToIeeeExtended(d, (wxInt8 *)buf);
+  wxConvertToIeeeExtended(d, (wxInt8 *)buf);
 #else
+  wxUnusedVar(d);
 #if !defined(__VMS__) && !defined(__GNUG__)
+#ifdef _MSC_VER
+# pragma message("wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!")
+#else
 # pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+#endif
 #endif
    buf[0] = '\0';
 #endif
@@ -633,13 +673,6 @@ void wxDataOutputStream::WriteDouble(const double *buffer, size_t size)
   }
 }
 
-wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
-{
-  Write32(wxStrlen(string));
-  m_output->Write((const char *)string, wxStrlen(string)*sizeof(wxChar));
-  return *this;
-}
-
 wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)
 {
   WriteString(string);