cdesktopenv/cde/programs/nsgmls/InternalInputSource.C

84 lines
2.1 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these librararies and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: InternalInputSource.C /main/1 1996/07/29 16:55:23 cde-hp $ */
// Copyright (c) 1994 James Clark
// See the file COPYING for copying permission.
#ifdef __GNUG__
#pragma implementation
#endif
#include "splib.h"
#include <string.h>
#include "InternalInputSource.h"
#include "macros.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
InternalInputSource::InternalInputSource(const StringC &str,
InputSourceOrigin *origin)
: InputSource(origin, str.data(), str.data() + str.size()), buf_(0),
contents_(&str)
{
}
InternalInputSource::~InternalInputSource()
{
if (buf_)
delete [] buf_;
}
Xchar InternalInputSource::fill(Messenger &)
{
return eE;
}
void InternalInputSource::pushCharRef(Char c, const NamedCharRef &ref)
{
ASSERT(cur() == start());
noteCharRef(startIndex() + (cur() - start()), ref);
if (buf_ == 0) {
buf_ = new Char[end() - start() + 1];
memcpy(buf_ + 1, cur(), (end() - start())*sizeof(Char));
changeBuffer(buf_ + 1, cur());
}
moveLeft();
*(Char *)cur() = c;
}
Boolean InternalInputSource::rewind(Messenger &)
{
reset(contents_->data(),
contents_->data() + contents_->size());
if (buf_) {
delete [] buf_;
buf_ = 0;
}
return 1;
}
#ifdef SP_NAMESPACE
}
#endif