RetroShare/plugins/FeedReader/util/HTMLWrapper.cpp
thunder2 ef49000b9a FeedReader:
- Added error handling to xml functions
- Added xslt transformation
- Added retransform of existing messages
- Redesigned preview dialog
- Enabled embed images for forum feeds
- Changed config format, switching back to an older version results in a loss of all data of the FeedReader

Added new base class RSPlainTextEdit with placeholder text.
New library libxslt needed

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6081 b45a01b8-16f6-495d-af2f-9b41ad6348cc
2013-01-22 00:11:43 +00:00

82 lines
2.1 KiB
C++

/****************************************************************
* RetroShare GUI is distributed under the following license:
*
* Copyright (C) 2012 by Thunder
*
* 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 <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);
}