category.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 TQt, and distribute the resulting executable, 00022 without including the source code for TQt in the source distribution. 00023 */ 00024 00025 #include "category.h" 00026 #include "tools_p.h" 00027 00028 #include <tqdom.h> 00029 #include <tqstring.h> 00030 00031 class TQString; 00032 00033 namespace RSS 00034 { 00035 00036 class Category::CategoryPrivate : public Shared 00037 { 00038 public: 00039 bool isNull; 00040 TQString category; 00041 TQString domain; 00042 00043 bool operator==(const CategoryPrivate &other) const 00044 { 00045 return (isNull && other.isNull) || (category == other.category && domain == other.domain); 00046 } 00047 00048 static CategoryPrivate* copyOnWrite(CategoryPrivate* ep) 00049 { 00050 if (ep->count > 1) 00051 { 00052 ep->deref(); 00053 ep = new CategoryPrivate(*ep); 00054 } 00055 return ep; 00056 } 00057 }; 00058 00059 bool Category::isNull() const 00060 { 00061 return d == 0; 00062 } 00063 00064 Category Category::fromXML(const TQDomElement& e) 00065 { 00066 Category obj; 00067 if (e.hasAttribute(TQString::fromLatin1("domain"))) 00068 obj.d->domain = e.attribute(TQString::fromLatin1("domain")); 00069 obj.d->category = e.text(); 00070 obj.d->isNull = false; 00071 return obj; 00072 } 00073 00074 Category::Category() : d(new CategoryPrivate) 00075 { 00076 d->isNull = true; 00077 } 00078 00079 Category::Category(const Category& other) : d(0) 00080 { 00081 *this = other; 00082 } 00083 00084 Category::Category(const TQString& category, const TQString& domain) : d(new CategoryPrivate) 00085 { 00086 d->isNull = false; 00087 d->category = category; 00088 d->domain = domain; 00089 } 00090 00091 Category::~Category() 00092 { 00093 if (d->deref()) 00094 { 00095 delete d; 00096 d = 0; 00097 } 00098 } 00099 00100 Category& Category::operator=(const Category& other) 00101 { 00102 if (d != other.d) 00103 { 00104 other.d->ref(); 00105 if (d && d->deref()) 00106 delete d; 00107 d = other.d; 00108 } 00109 return *this; 00110 } 00111 00112 bool Category::operator==(const Category &other) const 00113 { 00114 return *d == *other.d; 00115 } 00116 00117 TQString Category::category() const 00118 { 00119 return !d->isNull ? d->category : TQString(); 00120 } 00121 00122 TQString Category::domain() const 00123 { 00124 return !d->isNull ? d->domain : TQString(); 00125 } 00126 00127 } // namespace RSS 00128 00129