98 lines
2.1 KiB
C++
98 lines
2.1 KiB
C++
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* File: stringio.h $XConsortium: stringio.h /main/3 1995/10/26 16:10:00 rswiston $
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*
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* (c) Copyright 1993, 1994 Hewlett-Packard Company
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* (c) Copyright 1993, 1994 International Business Machines Corp.
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc.
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* (c) Copyright 1993, 1994 Novell, Inc.
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*/
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#include <codelibs/boolean.h>
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#define __PRIVATE_
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#include <codelibs/privbuf.h>
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class _StringIO
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{
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privbuf_strvec ptr;
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int curr;
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int old_curr;
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char const *old_ccp;
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int doit(int commit);
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public:
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void push(char const *ccp);
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_StringIO();
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_StringIO(char const *ccp);
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void unget();
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int get();
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int next();
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boolean in_expansion();
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};
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inline
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_StringIO::_StringIO()
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{
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curr = old_curr = -1;
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old_ccp = 0;
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}
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inline void
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_StringIO::push(char const *ccp)
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{
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ptr[++curr] = (char*)ccp;
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}
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inline
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_StringIO::_StringIO(char const *ccp)
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{
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curr = old_curr = -1;
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old_ccp = 0;
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push(ccp);
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}
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inline void
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_StringIO::unget()
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{
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if (curr >= 0)
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ptr[curr] = (char*)old_ccp;
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curr = old_curr;
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}
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inline int
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_StringIO::get()
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{
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return doit(1);
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}
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inline int
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_StringIO::next()
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{
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return doit(0);
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}
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inline boolean
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_StringIO::in_expansion()
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{
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return ((boolean)(curr > 0));
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}
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