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/*************************************************************************
** XMLDocument.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2016 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
** published by the Free Software Foundation; either version 3 of **
** the License, or (at your option) any later version. **
** **
** This program is distributed in the hope that it will be useful, but **
** WITHOUT ANY WARRANTY; without even the implied warranty of **
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
** GNU General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <config.h>
#include "macros.h"
#include "XMLDocument.h"
using namespace std;
XMLDocument::XMLDocument (XMLElementNode *root)
: _rootElement(root)
{
}
XMLDocument::~XMLDocument () {
clear();
}
void XMLDocument::clear () {
delete _rootElement;
_rootElement = 0;
FORALL(_nodes, list<XMLNode*>::iterator, i)
delete *i;
_nodes.clear();
}
void XMLDocument::append (XMLNode *node) {
if (!node)
return;
XMLElementNode *newRoot = dynamic_cast<XMLElementNode*>(node);
if (newRoot) { // there can only be one root element node in the document
delete _rootElement; // so if there is already one...
_rootElement = newRoot; // ...we replace it
}
else
_nodes.push_back(node);
}
void XMLDocument::setRootNode (XMLElementNode *root) {
delete _rootElement;
_rootElement = root;
}
ostream& XMLDocument::write (ostream &os) const {
if (_rootElement) { // no root element => no output
os << "<?xml version='1.0'?>\n";
FORALL(_nodes, list<XMLNode*>::const_iterator, i)
(*i)->write(os);
_rootElement->write(os);
}
return os;
}
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