RetroShare/plugins/FeedReader/util/HTMLWrapper.cpp

81 lines
2.6 KiB
C++
Raw Normal View History

2018-11-04 09:48:33 -05:00
/*******************************************************************************
* plugins/FeedReader/util/HTMLWrapper.cc *
* *
* Copyright (C) 2012 by Thunder <retroshare.project@gmail.com> *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
#include <string.h>
#include "HTMLWrapper.h"
#include <libxml/HTMLtree.h>
HTMLWrapper::HTMLWrapper() : XMLWrapper()
{
}
bool HTMLWrapper::readHTML(const char *html, const char *url)
{
cleanup();
handleError(true, mLastErrorString);
mDocument = htmlReadMemory(html, strlen(html), url, "", /*HTML_PARSE_NOERROR | HTML_PARSE_NOWARNING | */HTML_PARSE_COMPACT | HTML_PARSE_NONET | HTML_PARSE_NOBLANKS);
handleError(false, mLastErrorString);
if (mDocument) {
return true;
}
return false;
}
bool HTMLWrapper::saveHTML(std::string &html)
{
if (!mDocument) {
return false;
}
xmlChar *newHtml = NULL;
int newHtmlSize = 0;
handleError(true, mLastErrorString);
htmlDocDumpMemoryFormat(mDocument, &newHtml, &newHtmlSize, 0);
handleError(false, mLastErrorString);
if (newHtml) {
convertToString(newHtml, html);
xmlFree(newHtml);
return true;
}
return false;
}
bool HTMLWrapper::createHTML()
{
/* easy way */
return readHTML("<html><body></body></html>", "");
}
xmlNodePtr HTMLWrapper::getBody()
{
xmlNodePtr root = getRootElement();
if (!root) {
return NULL;
}
return findNode(root->children, "body", false);
}