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/*************************************************************************
** WSNodeRemover.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2020 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 "WSNodeRemover.hpp"
#include "../XMLNode.hpp"
const char* WSNodeRemover::info () const {
return "remove redundant whitespace nodes";
}
void WSNodeRemover::execute (XMLElement *context) {
if (!context)
return;
bool removeWS = context->name() != "text" && context->name() != "tspan";
XMLNode *child = context->firstChild();
while (child) {
if (removeWS && child->toWSNode()) {
XMLNode *next = child->next();
XMLElement::detach(child);
child = next;
continue;
}
if (XMLElement *elem = child->toElement())
execute(elem);
child = child->next();
}
}
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