akregator/src
utils.cpp
00001 /* 00002 This file is part of Akregator. 00003 00004 Copyright (C) 2005 Frank Osterfeld <frank.osterfeld at kdemail.net> 00005 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00019 00020 As a special exception, permission is given to link this program 00021 with any edition of Qt, and distribute the resulting executable, 00022 without including the source code for Qt in the source distribution. 00023 */ 00024 00025 #include "utils.h" 00026 #include <qregexp.h> 00027 #include <qstring.h> 00028 00029 namespace Akregator { 00030 00031 QString Utils::stripTags(const QString& str) 00032 { 00033 return QString(str).replace(QRegExp("<[^>]*>"), ""); 00034 } 00035 00036 uint Utils::calcHash(const QString& str) 00037 { 00038 if (str.isNull()) // handle null string as "", prevents crash 00039 return calcHash(""); 00040 const char* s = str.ascii(); 00041 uint hash = 5381; 00042 int c; 00043 while ( ( c = *s++ ) ) hash = ((hash << 5) + hash) + c; // hash*33 + c 00044 return hash; 00045 } 00046 00047 QString Utils::fileNameForUrl(const QString& url_p) 00048 { 00049 QString url2(url_p); 00050 00051 url2 = url2.replace("/", "_").replace(":", "_"); 00052 00053 if (url2.length() > 255) 00054 url2 = url2.left(200) + QString::number(Akregator::Utils::calcHash(url2), 16); 00055 00056 return url2; 00057 } 00058 00059 }