// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include <wx/stream.h>
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_ABSTRACT_CLASS(wxInputStream, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxOutputStream, wxObject)
-IMPLEMENT_CLASS(wxFilterInputStream, wxInputStream)
-IMPLEMENT_CLASS(wxFilterOutputStream, wxOutputStream)
+#ifndef WX_PRECOMP
+ #include "wx/defs.h"
#endif
+#if wxUSE_STREAMS
+
+#include <ctype.h>
+#include <wx/stream.h>
+#include <wx/datstrm.h>
+#include <wx/objstrm.h>
+
+#define BUF_TEMP_SIZE 10000
+
+// ----------------------------------------------------------------------------
+// wxStreamBuffer
+// ----------------------------------------------------------------------------
+
+#define CHECK_ERROR(err) \
+ if (m_stream->m_lasterror == wxStream_NOERROR) \
+ m_stream->m_lasterror = err
+
+wxStreamBuffer::wxStreamBuffer(wxStreamBase& stream, BufMode mode)
+ : m_buffer_start(NULL), m_buffer_end(NULL), m_buffer_pos(NULL),
+ m_buffer_size(0), m_fixed(TRUE), m_flushable(TRUE), m_stream(&stream),
+ m_mode(mode), m_destroybuf(FALSE), m_destroystream(FALSE)
+{
+}
+
+wxStreamBuffer::wxStreamBuffer(BufMode mode)
+ : m_buffer_start(NULL), m_buffer_end(NULL), m_buffer_pos(NULL),
+ m_buffer_size(0), m_fixed(TRUE), m_flushable(FALSE), m_stream(NULL),
+ m_mode(mode), m_destroybuf(FALSE), m_destroystream(TRUE)
+{
+ m_stream = new wxStreamBase();
+}
+
+wxStreamBuffer::wxStreamBuffer(const wxStreamBuffer& buffer)
+{
+ m_buffer_start = buffer.m_buffer_start;
+ m_buffer_end = buffer.m_buffer_end;
+ m_buffer_pos = buffer.m_buffer_pos;
+ m_buffer_size = buffer.m_buffer_size;
+ m_fixed = buffer.m_fixed;
+ m_flushable = buffer.m_flushable;
+ m_stream = buffer.m_stream;
+ m_mode = buffer.m_mode;
+ m_destroybuf = FALSE;
+ m_destroystream = FALSE;
+}
+
+wxStreamBuffer::~wxStreamBuffer()
+{
+ if (m_destroybuf)
+ wxDELETEA(m_buffer_start);
+ if (m_destroystream)
+ delete m_stream;
+}
+
+void wxStreamBuffer::SetBufferIO(char *buffer_start, char *buffer_end)
+{
+ if (m_destroybuf)
+ wxDELETEA(m_buffer_start);
+ m_buffer_start = buffer_start;
+ m_buffer_end = buffer_end;
+
+ m_buffer_size = m_buffer_end-m_buffer_start;
+ m_destroybuf = FALSE;
+ ResetBuffer();
+}
+
+void wxStreamBuffer::SetBufferIO(size_t bufsize)
+{
+ char *b_start;
+
+ if (m_destroybuf)
+ wxDELETEA(m_buffer_start);
+
+ if (!bufsize) {
+ m_buffer_start = NULL;
+ m_buffer_end = NULL;
+ m_buffer_pos = NULL;
+ m_buffer_size = 0;
+ return;
+ }
+
+ b_start = new char[bufsize];
+ SetBufferIO(b_start, b_start + bufsize);
+ m_destroybuf = TRUE;
+}
+
+void wxStreamBuffer::ResetBuffer()
+{
+ m_stream->m_lasterror = wxStream_NOERROR;
+ m_stream->m_lastcount = 0;
+ if (m_mode == read)
+ m_buffer_pos = m_buffer_end;
+ else
+ m_buffer_pos = m_buffer_start;
+}
+
+bool wxStreamBuffer::FillBuffer()
+{
+ size_t count;
+
+ count = m_stream->OnSysRead(m_buffer_start, m_buffer_size);
+ m_buffer_end = m_buffer_start+count;
+ m_buffer_pos = m_buffer_start;
+
+ if (count == 0)
+ return FALSE;
+ return TRUE;
+}
+
+bool wxStreamBuffer::FlushBuffer()
+{
+ size_t count, current;
+
+ if (m_buffer_pos == m_buffer_start || !m_flushable)
+ return FALSE;
+
+ current = m_buffer_pos-m_buffer_start;
+ count = m_stream->OnSysWrite(m_buffer_start, current);
+ if (count != current)
+ return FALSE;
+ m_buffer_pos = m_buffer_start;
+
+ return TRUE;
+}
+
+void wxStreamBuffer::GetFromBuffer(void *buffer, size_t size)
+{
+ size_t s_toget = m_buffer_end-m_buffer_pos;
+
+ if (size < s_toget)
+ s_toget = size;
+
+ memcpy(buffer, m_buffer_pos, s_toget);
+ m_buffer_pos += s_toget;
+}
+
+void wxStreamBuffer::PutToBuffer(const void *buffer, size_t size)
+{
+ size_t s_toput = m_buffer_end-m_buffer_pos;
+
+ if (s_toput < size && !m_fixed) {
+ m_buffer_start = (char *)realloc(m_buffer_start, m_buffer_size+size);
+ // I round a bit
+ m_buffer_size += size;
+ m_buffer_end = m_buffer_start+m_buffer_size;
+ s_toput = size;
+ }
+ if (s_toput > size)
+ s_toput = size;
+ memcpy(m_buffer_pos, buffer, s_toput);
+ m_buffer_pos += s_toput;
+}
+
+void wxStreamBuffer::PutChar(char c)
+{
+ wxASSERT(m_stream != NULL);
+
+ if (!m_buffer_size) {
+ m_stream->OnSysWrite(&c, 1);
+ return;
+ }
+
+ if (GetDataLeft() == 0 && !FlushBuffer()) {
+ CHECK_ERROR(wxStream_WRITE_ERR);
+ return;
+ }
+
+ PutToBuffer(&c, 1);
+ m_stream->m_lastcount = 1;
+}
+
+char wxStreamBuffer::Peek()
+{
+ char c;
+
+ wxASSERT(m_stream != NULL && m_buffer_size != 0);
+
+ if (!GetDataLeft()) {
+ CHECK_ERROR(wxStream_READ_ERR);
+ return 0;
+ }
+
+ GetFromBuffer(&c, 1);
+ m_buffer_pos--;
+
+ return c;
+}
+
+char wxStreamBuffer::GetChar()
+{
+ char c;
+
+ wxASSERT(m_stream != NULL);
+
+ if (!m_buffer_size) {
+ m_stream->OnSysRead(&c, 1);
+ return c;
+ }
+
+ if (!GetDataLeft()) {
+ CHECK_ERROR(wxStream_READ_ERR);
+ return 0;
+ }
+
+ GetFromBuffer(&c, 1);
+
+ m_stream->m_lastcount = 1;
+ return c;
+}
+
+size_t wxStreamBuffer::Read(void *buffer, size_t size)
+{
+ wxASSERT(m_stream != NULL);
+
+ if (m_mode == write)
+ return 0;
+
+ // ------------------
+ // Buffering disabled
+ // ------------------
+
+ m_stream->m_lasterror = wxStream_NOERROR;
+ if (!m_buffer_size)
+ return (m_stream->m_lastcount += m_stream->OnSysRead(buffer, size));
+
+ // -----------------
+ // Buffering enabled
+ // -----------------
+ size_t buf_left, orig_size = size;
+
+ while (size > 0) {
+ buf_left = GetDataLeft();
+
+ // First case: the requested buffer is larger than the stream buffer,
+ // we split it.
+ if (size > buf_left) {
+ GetFromBuffer(buffer, buf_left);
+ size -= buf_left;
+ buffer = (char *)buffer + buf_left; // ANSI C++ violation.
+
+ if (!FillBuffer()) {
+ CHECK_ERROR(wxStream_EOF);
+ return (m_stream->m_lastcount = orig_size-size);
+ }
+ } else {
+
+ // Second case: we just copy from the stream buffer.
+ GetFromBuffer(buffer, size);
+ break;
+ }
+ }
+ return (m_stream->m_lastcount += orig_size);
+}
+
+size_t wxStreamBuffer::Read(wxStreamBuffer *s_buf)
+{
+ char buf[BUF_TEMP_SIZE];
+ size_t s = 0, bytes_read = BUF_TEMP_SIZE;
+
+ if (m_mode == write)
+ return 0;
+
+ while (bytes_read != 0) {
+ bytes_read = Read(buf, bytes_read);
+ bytes_read = s_buf->Write(buf, bytes_read);
+ s += bytes_read;
+ }
+ return s;
+}
+
+size_t wxStreamBuffer::Write(const void *buffer, size_t size)
+{
+ wxASSERT(m_stream != NULL);
+
+ if (m_mode == read)
+ return 0;
+
+ // ------------------
+ // Buffering disabled
+ // ------------------
+
+ m_stream->m_lasterror = wxStream_NOERROR;
+ if (!m_buffer_size)
+ return (m_stream->m_lastcount = m_stream->OnSysWrite(buffer, size));
+
+ // ------------------
+ // Buffering enabled
+ // ------------------
+
+ size_t buf_left, orig_size = size;
+
+ while (size > 0) {
+ buf_left = m_buffer_end - m_buffer_pos;
+
+ // First case: the buffer to write is larger than the stream buffer,
+ // we split it
+ if (size > buf_left) {
+ PutToBuffer(buffer, buf_left);
+ size -= buf_left;
+ buffer = (char *)buffer + buf_left; // ANSI C++ violation.
+
+ if (!FlushBuffer()) {
+ CHECK_ERROR(wxStream_WRITE_ERR);
+ return (m_stream->m_lastcount = orig_size-size);
+ }
+
+ m_buffer_pos = m_buffer_start;
+
+ } else {
+
+ // Second case: just copy it in the stream buffer.
+ PutToBuffer(buffer, size);
+ break;
+ }
+ }
+ return (m_stream->m_lastcount = orig_size);
+}
+
+size_t wxStreamBuffer::Write(wxStreamBuffer *sbuf)
+{
+ char buf[BUF_TEMP_SIZE];
+ size_t s = 0, bytes_count = BUF_TEMP_SIZE, b_count2;
+ wxInputStream *in_stream;
+
+ if (m_mode == read)
+ return 0;
+
+ in_stream = (wxInputStream *)sbuf->Stream();
+
+ while (bytes_count == BUF_TEMP_SIZE) {
+ b_count2 = sbuf->Read(buf, bytes_count);
+ bytes_count = Write(buf, b_count2);
+ if (b_count2 > bytes_count)
+ in_stream->Ungetch(buf+bytes_count, b_count2-bytes_count);
+ s += bytes_count;
+ }
+ return s;
+}
+
+off_t wxStreamBuffer::Seek(off_t pos, wxSeekMode mode)
+{
+ off_t ret_off, diff, last_access;
+
+ last_access = GetLastAccess();
+
+ if (!m_flushable) {
+ diff = pos + GetIntPosition();
+ if (diff < 0 || diff > last_access)
+ return wxInvalidOffset;
+ SetIntPosition(diff);
+ return diff;
+ }
+
+ switch (mode) {
+ case wxFromStart: {
+ // We'll try to compute an internal position later ...
+ ret_off = m_stream->OnSysSeek(pos, wxFromStart);
+ ResetBuffer();
+ return ret_off;
+ }
+ case wxFromCurrent: {
+ diff = pos + GetIntPosition();
+
+ if ( (diff > last_access) || (diff < 0) ) {
+ // We must take into account the fact that we have read something
+ // previously.
+ ret_off = m_stream->OnSysSeek(diff-last_access, wxFromCurrent);
+ ResetBuffer();
+ return ret_off;
+ } else {
+ SetIntPosition(diff);
+ return pos;
+ }
+ }
+ case wxFromEnd:
+ // Hard to compute: always seek to the requested position.
+ ret_off = m_stream->OnSysSeek(pos, wxFromEnd);
+ ResetBuffer();
+ return ret_off;
+ }
+ return wxInvalidOffset;
+}
+
+off_t wxStreamBuffer::Tell() const
+{
+ off_t pos;
+
+ if (m_flushable) {
+ pos = m_stream->OnSysTell();
+ if (pos == wxInvalidOffset)
+ return wxInvalidOffset;
+ return pos - GetLastAccess() + GetIntPosition();
+ } else
+ return GetIntPosition();
+}
+
+size_t wxStreamBuffer::GetDataLeft()
+{
+ if (m_buffer_end == m_buffer_pos && m_flushable)
+ FillBuffer();
+ return m_buffer_end-m_buffer_pos;
+}
+
+// ----------------------------------------------------------------------------
+// wxStreamBase
+// ----------------------------------------------------------------------------
+
+wxStreamBase::wxStreamBase()
+{
+ m_lasterror = wxStream_NOERROR;
+ m_lastcount = 0;
+}
+
+wxStreamBase::~wxStreamBase()
+{
+}
+
+size_t wxStreamBase::OnSysRead(void *WXUNUSED(buffer), size_t WXUNUSED(size))
+{
+ return 0;
+}
+
+size_t wxStreamBase::OnSysWrite(const void *WXUNUSED(buffer), size_t WXUNUSED(bufsize))
+{
+ return 0;
+}
+
+off_t wxStreamBase::OnSysSeek(off_t WXUNUSED(seek), wxSeekMode WXUNUSED(mode))
+{
+ return wxInvalidOffset;
+}
+
+off_t wxStreamBase::OnSysTell() const
+{
+ return wxInvalidOffset;
+}
+
+// ----------------------------------------------------------------------------
+// wxInputStream
+// ----------------------------------------------------------------------------
+
wxInputStream::wxInputStream()
- : wxObject()
+ : wxStreamBase(),
+ m_wback(NULL), m_wbacksize(0), m_wbackcur(0)
{
}
wxInputStream::~wxInputStream()
{
+ if (m_wback)
+ free(m_wback);
}
-#define BUF_TEMP_SIZE 10000
+char *wxInputStream::AllocSpaceWBack(size_t needed_size)
+{
+ char *temp_b;
+ size_t old_size;
+
+ old_size = m_wbacksize;
+ m_wbacksize += needed_size;
+
+ if (!m_wback)
+ temp_b = (char *)malloc(m_wbacksize);
+ else
+ temp_b = (char *)realloc(m_wback, m_wbacksize);
+
+ if (!temp_b)
+ return NULL;
+ m_wback = temp_b;
+ m_wbackcur += needed_size;
+
+ memmove(m_wback+needed_size, m_wback, old_size);
+
+ return (char *)(m_wback);
+}
+
+size_t wxInputStream::GetWBack(char *buf, size_t bsize)
+{
+ size_t s_toget = m_wbackcur;
+
+ if (!m_wback)
+ return 0;
+
+ if (bsize < s_toget)
+ s_toget = bsize;
+
+ memcpy(buf, (m_wback+m_wbackcur-bsize), s_toget);
+
+ m_wbackcur -= s_toget;
+ if (m_wbackcur == 0) {
+ free(m_wback);
+ m_wback = (char *)NULL;
+ m_wbacksize = 0;
+ m_wbackcur = 0;
+ }
+
+ return s_toget;
+}
+
+size_t wxInputStream::Ungetch(const void *buf, size_t bufsize)
+{
+ char *ptrback;
+
+ ptrback = AllocSpaceWBack(bufsize);
+ if (!ptrback)
+ return 0;
+
+ memcpy(ptrback, buf, bufsize);
+ return bufsize;
+}
+
+bool wxInputStream::Ungetch(char c)
+{
+ char *ptrback;
+
+ ptrback = AllocSpaceWBack(1);
+ if (!ptrback)
+ return FALSE;
+
+ *ptrback = c;
+ return TRUE;
+}
+
+char wxInputStream::GetC()
+{
+ char c;
+ Read(&c, 1);
+ return c;
+}
+
+wxInputStream& wxInputStream::Read(void *buffer, size_t size)
+{
+ size_t retsize;
+ char *buf = (char *)buffer;
+
+ retsize = GetWBack(buf, size);
+ if (retsize == size) {
+ m_lastcount = size;
+ m_lasterror = wxStream_NOERROR;
+ return *this;
+ }
+ size -= retsize;
+ buf += retsize;
+
+ m_lastcount = OnSysRead(buf, size);
+ return *this;
+}
+
+char wxInputStream::Peek()
+{
+ char c;
+
+ Read(&c, 1);
+ if (m_lasterror == wxStream_NOERROR) {
+ Ungetch(c);
+ return c;
+ }
+ return 0;
+}
wxInputStream& wxInputStream::Read(wxOutputStream& stream_out)
{
char buf[BUF_TEMP_SIZE];
size_t bytes_read = BUF_TEMP_SIZE;
- while (bytes_read == BUF_TEMP_SIZE && !stream_out.Bad()) {
+ while (bytes_read == BUF_TEMP_SIZE) {
bytes_read = Read(buf, bytes_read).LastRead();
-
- stream_out.Write(buf, bytes_read);
+ bytes_read = stream_out.Write(buf, bytes_read).LastWrite();
}
return *this;
}
+off_t wxInputStream::SeekI(off_t pos, wxSeekMode mode)
+{
+ //should be check and improve, just to remove a slight bug !
+ // I don't know whether it should be put as well in wxFileInputStream::OnSysSeek ?
+ if (m_lasterror==wxSTREAM_EOF) m_lasterror=wxSTREAM_NOERROR;
+
+ return OnSysSeek(pos, mode);
+}
+
+off_t wxInputStream::TellI() const
+{
+ return OnSysTell();
+}
+
+// --------------------
+// Overloaded operators
+// --------------------
+
+#if wxUSE_SERIAL
+wxInputStream& wxInputStream::operator>>(wxObject *& obj)
+{
+ wxObjectInputStream obj_s(*this);
+ obj = obj_s.LoadObject();
+ return *this;
+}
+#endif
+
+
+// ----------------------------------------------------------------------------
+// wxOutputStream
+// ----------------------------------------------------------------------------
wxOutputStream::wxOutputStream()
- : wxObject()
+ : wxStreamBase()
{
}
{
}
+wxOutputStream& wxOutputStream::Write(const void *buffer, size_t size)
+{
+ m_lastcount = OnSysWrite(buffer, size);
+ return *this;
+}
+
wxOutputStream& wxOutputStream::Write(wxInputStream& stream_in)
{
- stream_in.Read(*this);
- return *this;
+ stream_in.Read(*this);
+ return *this;
+}
+
+off_t wxOutputStream::TellO() const
+{
+ return OnSysTell();
+}
+
+off_t wxOutputStream::SeekO(off_t pos, wxSeekMode mode)
+{
+ return OnSysSeek(pos, mode);
+}
+
+void wxOutputStream::Sync()
+{
+}
+
+#if wxUSE_SERIAL
+wxOutputStream& wxOutputStream::operator<<(wxObject& obj)
+{
+ wxObjectOutputStream obj_s(*this);
+ obj_s.SaveObject(obj);
+ return *this;
+}
+#endif
+
+// ----------------------------------------------------------------------------
+// wxCountingOutputStream
+// ----------------------------------------------------------------------------
+
+wxCountingOutputStream::wxCountingOutputStream ()
+ : wxOutputStream()
+{
+ m_currentPos = 0;
+}
+
+size_t wxCountingOutputStream::GetSize() const
+{
+ return m_lastcount;
+}
+
+size_t wxCountingOutputStream::OnSysWrite(const void *WXUNUSED(buffer), size_t size)
+{
+ m_currentPos += size;
+ if (m_currentPos > m_lastcount) m_lastcount = m_currentPos;
+ return m_currentPos;
+}
+
+off_t wxCountingOutputStream::OnSysSeek(off_t pos, wxSeekMode mode)
+{
+ if (mode == wxFromStart)
+ {
+ m_currentPos = pos;
+ }
+ if (mode == wxFromEnd)
+ {
+ m_currentPos = m_lastcount + pos;
+ }
+ else
+ {
+ m_currentPos += pos;
+ }
+ if (m_currentPos > m_lastcount) m_lastcount = m_currentPos;
+
+ return m_currentPos; // ?
+}
+
+off_t wxCountingOutputStream::OnSysTell() const
+{
+ return m_currentPos; // ?
+}
+
+// ----------------------------------------------------------------------------
+// wxFilterInputStream
+// ----------------------------------------------------------------------------
+
+wxFilterInputStream::wxFilterInputStream()
+ : wxInputStream()
+{
}
wxFilterInputStream::wxFilterInputStream(wxInputStream& stream)
{
}
+// ----------------------------------------------------------------------------
+// wxFilterOutputStream
+// ----------------------------------------------------------------------------
+wxFilterOutputStream::wxFilterOutputStream()
+ : wxOutputStream()
+{
+}
+
wxFilterOutputStream::wxFilterOutputStream(wxOutputStream& stream)
: wxOutputStream()
{
wxFilterOutputStream::~wxFilterOutputStream()
{
}
+
+// ----------------------------------------------------------------------------
+// wxBufferedInputStream
+// ----------------------------------------------------------------------------
+wxBufferedInputStream::wxBufferedInputStream(wxInputStream& s)
+ : wxFilterInputStream(s)
+{
+ m_i_streambuf = new wxStreamBuffer(*this, wxStreamBuffer::read);
+ m_i_streambuf->SetBufferIO(1024);
+}
+
+wxBufferedInputStream::~wxBufferedInputStream()
+{
+ delete m_i_streambuf;
+}
+
+char wxBufferedInputStream::Peek()
+{
+ return m_i_streambuf->Peek();
+}
+
+wxInputStream& wxBufferedInputStream::Read(void *buffer, size_t size)
+{
+ size_t retsize;
+ char *buf = (char *)buffer;
+
+ retsize = GetWBack(buf, size);
+ m_lastcount = retsize;
+ if (retsize == size) {
+ m_lasterror = wxStream_NOERROR;
+ return *this;
+ }
+ size -= retsize;
+ buf += retsize;
+
+ m_i_streambuf->Read(buf, size);
+
+ return *this;
+}
+
+off_t wxBufferedInputStream::SeekI(off_t pos, wxSeekMode mode)
+{
+ return m_i_streambuf->Seek(pos, mode);
+}
+
+off_t wxBufferedInputStream::TellI() const
+{
+ return m_i_streambuf->Tell();
+}
+
+size_t wxBufferedInputStream::OnSysRead(void *buffer, size_t bufsize)
+{
+ return m_parent_i_stream->Read(buffer, bufsize).LastRead();
+}
+
+off_t wxBufferedInputStream::OnSysSeek(off_t seek, wxSeekMode mode)
+{
+ return m_parent_i_stream->SeekI(seek, mode);
+}
+
+off_t wxBufferedInputStream::OnSysTell() const
+{
+ return m_parent_i_stream->TellI();
+}
+
+// ----------------------------------------------------------------------------
+// wxBufferedOutputStream
+// ----------------------------------------------------------------------------
+
+wxBufferedOutputStream::wxBufferedOutputStream(wxOutputStream& s)
+ : wxFilterOutputStream(s)
+{
+ m_o_streambuf = new wxStreamBuffer(*this, wxStreamBuffer::write);
+ m_o_streambuf->SetBufferIO(1024);
+}
+
+wxBufferedOutputStream::~wxBufferedOutputStream()
+{
+ delete m_o_streambuf;
+}
+
+wxOutputStream& wxBufferedOutputStream::Write(const void *buffer, size_t size)
+{
+ m_lastcount = 0;
+ m_o_streambuf->Write(buffer, size);
+ return *this;
+}
+
+off_t wxBufferedOutputStream::SeekO(off_t pos, wxSeekMode mode)
+{
+ return m_o_streambuf->Seek(pos, mode);
+}
+
+off_t wxBufferedOutputStream::TellO() const
+{
+ return m_o_streambuf->Tell();
+}
+
+void wxBufferedOutputStream::Sync()
+{
+ m_o_streambuf->FlushBuffer();
+ m_parent_o_stream->Sync();
+}
+
+size_t wxBufferedOutputStream::OnSysWrite(const void *buffer, size_t bufsize)
+{
+ return m_parent_o_stream->Write(buffer, bufsize).LastWrite();
+}
+
+off_t wxBufferedOutputStream::OnSysSeek(off_t seek, wxSeekMode mode)
+{
+ return m_parent_o_stream->SeekO(seek, mode);
+}
+
+off_t wxBufferedOutputStream::OnSysTell() const
+{
+ return m_parent_o_stream->TellO();
+}
+
+// ----------------------------------------------------------------------------
+// Some IOManip function
+// ----------------------------------------------------------------------------
+
+wxOutputStream& wxEndL(wxOutputStream& stream)
+{
+#ifdef __MSW__
+ return stream.Write("\r\n", 2);
+#else
+#ifdef __WXMAC__
+ return stream.Write("\r", 1);
+#else
+ return stream.Write("\n", 1);
+#endif
+#endif
+}
+
+#endif
+ // wxUSE_STREAMS
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