File: util.h

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/*
  Copyright 2013-2015 Mats Sjöberg
  
  This file is part of the Pumpa programme.

  Pumpa 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.

  Pumpa 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 Pumpa.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _UTIL_H_
#define _UTIL_H_

#include <QMap>
#include <QString>
#include <QDateTime>

//------------------------------------------------------------------------------

#define URL_REGEX "((https?://|(https?://)?www.)[^\\s\"]+\\.[^\\s\"<]+[^\\s\\.\\,\\!\\?\"<])"
#define URL_REGEX_STRICT "(https?://[^\\s\"]+\\.[^\\s\"<]+[^\\s\\.\\,\\!\\?\\)\"<])"
#define MD_NOGO_ITEMS "\\*`_"
#define MD_PAIR_REGEX "%1([^\\s%3][^%3]*[^\\s%3]|[^\\s%3])%2"
#define HTML_TAG_REGEX "<([^>]+)>"

//------------------------------------------------------------------------------

/*
  Fixes site url, removes extra / from end, adds https:// if missing.
*/
QString siteUrlFixer(QString url, bool useSsl=true);

/* 
   Finds things that look like URLs and changes them into a href
   links.  
*/
QString linkifyUrls(QString text);


/* 
   Finds things delimited by 'begin' and 'end' and changes them to be
   delimited by 'newBegin' and 'newEnd'.
*/
QString changePairedTags(QString text,
                         QString begin, QString end,
                         QString newBegin, QString newEnd,
                         QString nogoItems = MD_NOGO_ITEMS);

/*
  Transforms foo and https://bar.com to foo@bar.com
*/
QString siteUrlToAccountId(QString username, QString url);

QString markDown(QString text);

QString relativeFuzzyTime(QDateTime sTime, bool longTime=false);

bool splitWebfingerId(QString accountId, QString& username, QString& server);

template <class T> void deleteMap(QMap<QString, T>& map) {
  typename QMap<QString, T>::iterator i;
  for (i = map.begin(); i != map.end(); ++i)
    delete i.value();
  map.clear();
}

void checkMemory(QString desc="");

QString removeHtml(QString);

QString addTextMarkup(QString content, bool useMarkdown);

QString processTitle(QString text, bool removeLtgt);

QString slashify(QString path);

//------------------------------------------------------------------------------

#endif /* _UTIL_H_ */