// Created: 12.04.99
// RCS-ID: $Id$
// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence: wxWindows license
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
-// these classes are for private use only for now, they're not documented
-
#ifndef _WX_BUFFER_H
#define _WX_BUFFER_H
#include "wx/wxchar.h"
+#include <stdlib.h> // malloc() and free()
+
// ----------------------------------------------------------------------------
// Special classes for (wide) character strings: they use malloc/free instead
// of new/delete
// ----------------------------------------------------------------------------
#define DEFINE_BUFFER(classname, chartype, strdupfunc) \
-class classname \
+class WXDLLIMPEXP_BASE classname \
{ \
public: \
- classname(const chartype *str) \
+ classname(const chartype *str = NULL) \
: m_str(str ? strdupfunc(str) : NULL) \
{ \
} \
return p; \
} \
\
+ void reset() \
+ { \
+ free(m_str); \
+ m_str = NULL; \
+ } \
+ \
classname(const classname& src) \
: m_str(src.release()) \
{ \
return *this; \
} \
\
+ bool extend(size_t len) \
+ { \
+ chartype * \
+ str = (chartype *)realloc(m_str, (len + 1)*sizeof(chartype)); \
+ if ( !str ) \
+ return false; \
+ \
+ m_str = str; \
+ \
+ return true; \
+ } \
+ \
chartype *data() { return m_str; } \
const chartype *data() const { return m_str; } \
operator const chartype *() const { return m_str; } \
#undef DEFINE_BUFFER
#if wxUSE_UNICODE
+ typedef wxWCharBuffer wxWxCharBuffer;
+
#define wxMB2WXbuf wxWCharBuffer
#define wxWX2MBbuf wxCharBuffer
#define wxWC2WXbuf wxChar*
#define wxWX2WCbuf wxChar*
#else // ANSI
+ typedef wxCharBuffer wxWxCharBuffer;
+
#define wxMB2WXbuf wxChar*
#define wxWX2MBbuf wxChar*
#define wxWC2WXbuf wxCharBuffer
{
public:
// the initial size and also the size added by ResizeIfNeeded()
- enum { BLOCK_SIZE = 1024 };
+ enum { DefBufSize = 1024 };
friend class wxMemoryBuffer;
// everyting is private as it can only be used by wxMemoryBuffer
private:
- wxMemoryBufferData(size_t size = wxMemoryBufferData::BLOCK_SIZE)
+ wxMemoryBufferData(size_t size = wxMemoryBufferData::DefBufSize)
: m_data(size ? malloc(size) : NULL), m_size(size), m_len(0), m_ref(0)
{
}
if (newSize > m_size)
{
void *dataOld = m_data;
- m_data = realloc(m_data, newSize + wxMemoryBufferData::BLOCK_SIZE);
+ m_data = realloc(m_data, newSize + wxMemoryBufferData::DefBufSize);
if ( !m_data )
{
free(dataOld);
}
- m_size = newSize + wxMemoryBufferData::BLOCK_SIZE;
+ m_size = newSize + wxMemoryBufferData::DefBufSize;
}
}
{
public:
// ctor and dtor
- wxMemoryBuffer(size_t size = wxMemoryBufferData::BLOCK_SIZE)
+ wxMemoryBuffer(size_t size = wxMemoryBufferData::DefBufSize)
{
m_bufdata = new wxMemoryBufferData(size);
m_bufdata->IncRef();
m_bufdata->m_len += 1;
}
- void AppendData(void* data, size_t len)
+ void AppendData(const void *data, size_t len)
{
memcpy(GetAppendBuf(len), data, len);
UngetAppendBuf(len);