KDE 4.2 API Reference kget
bnode.h
Go to the documentation of this file.00001 /*************************************************************************** 00002 * Copyright (C) 2005 by Joris Guisson * 00003 * joris.guisson@gmail.com * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * 00019 ***************************************************************************/ 00020 #ifndef BTBNODE_H 00021 #define BTBNODE_H 00022 00023 #include <QList> 00024 #include <util/constants.h> 00025 #include <btcore_export.h> 00026 #include "value.h" 00027 00028 00029 namespace bt 00030 { 00031 class BListNode; 00032 00040 class BTCORE_EXPORT BNode 00041 { 00042 public: 00043 enum Type 00044 { 00045 VALUE,DICT,LIST 00046 }; 00047 00054 BNode(Type type,Uint32 off); 00055 virtual ~BNode(); 00056 00058 Type getType() const {return type;} 00059 00061 Uint32 getOffset() const {return off;} 00062 00064 Uint32 getLength() const {return len;} 00065 00067 void setLength(Uint32 l) {len = l;} 00068 00070 virtual void printDebugInfo() = 0; 00071 private: 00072 Type type; 00073 Uint32 off,len; 00074 }; 00075 00082 class BTCORE_EXPORT BValueNode : public BNode 00083 { 00084 Value v; 00085 public: 00086 BValueNode(const Value & v,Uint32 off); 00087 virtual ~BValueNode(); 00088 00089 const Value & data() const {return v;} 00090 void printDebugInfo(); 00091 }; 00092 00098 class BTCORE_EXPORT BDictNode : public BNode 00099 { 00100 struct DictEntry 00101 { 00102 QByteArray key; 00103 BNode* node; 00104 }; 00105 QList<DictEntry> children; 00106 public: 00107 BDictNode(Uint32 off); 00108 virtual ~BDictNode(); 00109 00115 void insert(const QByteArray & key,BNode* node); 00116 00122 BNode* getData(const QString & key); 00123 00129 BListNode* getList(const QString & key); 00130 00136 BDictNode* getDict(const QString & key); 00137 00143 BDictNode* getDict(const QByteArray & key); 00144 00150 BValueNode* getValue(const QString & key); 00151 00152 void printDebugInfo(); 00153 }; 00154 00160 class BTCORE_EXPORT BListNode : public BNode 00161 { 00162 QList<BNode*> children; 00163 public: 00164 BListNode(Uint32 off); 00165 virtual ~BListNode(); 00166 00171 void append(BNode* node); 00172 void printDebugInfo(); 00173 00175 Uint32 getNumChildren() const {return children.count();} 00176 00182 BNode* getChild(Uint32 idx) {return children.at(idx);} 00183 00190 BListNode* getList(Uint32 idx); 00191 00198 BDictNode* getDict(Uint32 idx); 00199 00206 BValueNode* getValue(Uint32 idx); 00207 }; 00208 } 00209 00210 #endif
