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/*
* Copyright (C) 2009-2012 Geometer Plus <contact@geometerplus.com>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <ZLFile.h>
#include <ZLFileImage.h>
#include <ZLXMLNamespace.h>
#include "XHTMLImageFinder.h"
#include "../util/MiscUtil.h"
static const std::string TAG_IMG = "img";
static const std::string TAG_IMAGE = "image";
shared_ptr<const ZLImage> XHTMLImageFinder::readImage(const ZLFile &file) {
myImage.reset();
myPathPrefix = MiscUtil::htmlDirectoryPrefix(file.path());
readDocument(file);
return myImage;
}
bool XHTMLImageFinder::processNamespaces() const {
return true;
}
void XHTMLImageFinder::startElementHandler(const char *tag, const char **attributes) {
const char *reference = 0;
if (TAG_IMG == tag) {
reference = attributeValue(attributes, "src");
} else if (TAG_IMAGE == tag) {
reference = attributeValue(
attributes, NamespaceAttributeNamePredicate(ZLXMLNamespace::XLink, "href")
);
}
if (reference != 0) {
myImage = new ZLFileImage(ZLFile(myPathPrefix + reference), 0);
interrupt();
}
}
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