01357b50cd
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13789 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
136 lines
3.6 KiB
C++
136 lines
3.6 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: buffer.h
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// Purpose: auto buffer classes: buffers which automatically free memory
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 12.04.99
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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///////////////////////////////////////////////////////////////////////////////
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// these classes are for private use only for now, they're not documented
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#ifndef _WX_BUFFER_H
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#define _WX_BUFFER_H
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#include "wx/wxchar.h"
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#include <string.h> // strdup
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// ----------------------------------------------------------------------------
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// Special classes for (wide) character strings: they use malloc/free instead
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// of new/delete
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// ----------------------------------------------------------------------------
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class wxCharBuffer
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{
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public:
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wxCharBuffer(const char *str)
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{
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wxASSERT_MSG( str, wxT("NULL string in wxCharBuffer") );
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m_str = str ? strdup(str) : (char *)NULL;
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}
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wxCharBuffer(size_t len)
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{
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m_str = (char *)malloc(len+1);
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m_str[len] = '\0';
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}
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// no need to check for NULL, free() does it
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~wxCharBuffer() { free(m_str); }
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wxCharBuffer(const wxCharBuffer& src)
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{
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m_str = src.m_str;
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// no reference count yet...
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((wxCharBuffer*)&src)->m_str = (char *)NULL;
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}
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wxCharBuffer& operator=(const wxCharBuffer& src)
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{
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m_str = src.m_str;
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// no reference count yet...
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((wxCharBuffer*)&src)->m_str = (char *)NULL;
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return *this;
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}
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const char *data() const { return m_str; }
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operator const char *() const { return m_str; }
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char operator[](size_t n) const { return m_str[n]; }
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private:
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char *m_str;
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};
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#if wxUSE_WCHAR_T
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class wxWCharBuffer
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{
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public:
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wxWCharBuffer(const wchar_t *wcs)
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{
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wxASSERT_MSG( wcs, wxT("NULL string in wxWCharBuffer") );
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if (wcs) {
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#if ( defined(__BORLANDC__) && (__BORLANDC__ > 0x530) ) \
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|| ( defined(__MWERKS__) && defined(__WXMSW__) )
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size_t siz = (std::wcslen(wcs)+1)*sizeof(wchar_t);
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#else
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size_t siz = (::wcslen(wcs)+1)*sizeof(wchar_t);
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#endif
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m_wcs = (wchar_t *)malloc(siz);
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memcpy(m_wcs, wcs, siz);
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}
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else m_wcs = (wchar_t *)NULL;
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}
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wxWCharBuffer(size_t len)
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{
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m_wcs = (wchar_t *)malloc((len+1)*sizeof(wchar_t));
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m_wcs[len] = L'\0';
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}
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// no need to check for NULL, free() does it
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~wxWCharBuffer() { free(m_wcs); }
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wxWCharBuffer(const wxWCharBuffer& src)
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{
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m_wcs = src.m_wcs;
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// no reference count yet...
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((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
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}
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wxWCharBuffer& operator=(const wxWCharBuffer& src)
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{
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m_wcs = src.m_wcs;
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// no reference count yet...
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((wxWCharBuffer*)&src)->m_wcs = (wchar_t *)NULL;
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return *this;
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}
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const wchar_t *data() const { return m_wcs; }
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operator const wchar_t *() const { return m_wcs; }
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wchar_t operator[](size_t n) const { return m_wcs[n]; }
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private:
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wchar_t *m_wcs;
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};
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#endif
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#if wxUSE_UNICODE
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#define wxMB2WXbuf wxWCharBuffer
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#define wxWX2MBbuf wxCharBuffer
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#define wxWC2WXbuf wxChar*
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#define wxWX2WCbuf wxChar*
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#else // ANSI
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#define wxMB2WXbuf wxChar*
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#define wxWX2MBbuf wxChar*
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#define wxWC2WXbuf wxCharBuffer
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#define wxWX2WCbuf wxWCharBuffer
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#endif // Unicode/ANSI
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// ----------------------------------------------------------------------------
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// template class for any kind of data
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// ----------------------------------------------------------------------------
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// TODO
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#endif // _WX_BUFFER_H
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