#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()
+unsigned long wxDataInputStream::Read32()
{
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[3] << 24);
}
-unsigned short wxDataStream::Read16()
+unsigned short wxDataInputStream::Read16()
{
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);
}
-unsigned char wxDataStream::Read8()
+unsigned char wxDataInputStream::Read8()
{
char buf;
- if (!m_istream)
- return 0;
-
- m_istream->read(&buf, 1);
+ Read(&buf, 1);
return (unsigned char)buf;
}
-double wxDataStream::ReadDouble()
-{
- extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
+// Must be at global scope for VC++ 5
+extern "C" double ConvertFromIeeeExtended(const unsigned char *bytes);
-#if USE_APPLE_IEEE
+double wxDataInputStream::ReadDouble()
+{
+#if wxUSE_APPLE_IEEE
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
}
-wxString wxDataStream::ReadLine()
+wxString wxDataInputStream::ReadLine()
+{
+ char c, last_endl = 0;
+ bool end_line = FALSE;
+ wxString line;
+
+ while (!end_line) {
+ c = GetC();
+ switch (c) {
+ case '\n':
+ end_line = TRUE;
+ break;
+ case '\r':
+ last_endl = '\r';
+ break;
+ default:
+ if (last_endl == '\r') {
+ end_line = TRUE;
+ InputStreamBuffer()->WriteBack(c);
+ break;
+ }
+ line += c;
+ break;
+ }
+ }
+ return line;
+}
+
+wxString wxDataInputStream::ReadString()
{
- char i_strg[255];
+ wxString wx_string;
+ char *string;
+ unsigned long len;
+
+ len = Read32();
+ string = new char[len+1];
+
+ Read(string, len);
+
+ string[len] = 0;
+ wx_string = string;
+ delete string;
- if (!m_istream)
- return "";
+ return wx_string;
+}
+
+// ---------------------------------------------------------------------------
+// wxDataOutputStream
+// ---------------------------------------------------------------------------
- m_istream->getline(i_strg, 255);
- return i_strg;
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
+ : wxFilterOutputStream(s)
+{
}
-void wxDataStream::Write32(unsigned long i)
+wxDataOutputStream::~wxDataOutputStream()
{
- char buf[4];
+}
- if (!m_ostream)
- return;
+void wxDataOutputStream::Write32(unsigned long i)
+{
+ char buf[4];
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(unsigned short i)
{
char buf[2];
- if (!m_ostream)
- return;
-
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(unsigned char i)
{
- if (!m_ostream)
- return;
-
- m_ostream->write(&i, 1);
+ Write(&i, 1);
}
-void wxDataStream::WriteLine(const wxString& line)
+void wxDataOutputStream::WriteLine(const wxString& line)
{
+#ifdef __WXMSW__
+ wxString tmp_string = line + "\r\n";
+#else
wxString tmp_string = line + '\n';
+#endif
- if (!m_ostream)
- return;
+ Write((const char *) tmp_string, tmp_string.Length());
+}
- m_ostream->write((const char *) tmp_string, tmp_string.Length());
+void wxDataOutputStream::WriteString(const wxString& string)
+{
+ Write32(string.Length());
+ Write((const char *) string, string.Length());
}
-void wxDataStream::WriteDouble(double d)
+// Must be at global scope for VC++ 5
+extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes);
+
+void wxDataOutputStream::WriteDouble(double d)
{
- extern "C" void ConvertToIeeeExtended(double num, unsigned char *bytes)
char buf[10];
- if (!m_ostream)
- return;
-
+#if wxUSE_APPLE_IEEE
ConvertToIeeeExtended(d, (unsigned char *)buf);
- m_ostream->write(buf, 10);
+#else
+# pragma warning "wxDataStream::WriteDouble() not using IeeeExtended - will not work!"
+ buf[0] = '\0';
+#endif
+ Write(buf, 10);
}