strigi/src/streams

substreamprovider.h

00001 /* This file is part of Strigi Desktop Search
00002  *
00003  * Copyright (C) 2006 Jos van den Oever <jos@vandenoever.info>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library 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 GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 #ifndef STRIGI_SUBSTREAMPROVIDER
00021 #define STRIGI_SUBSTREAMPROVIDER
00022 
00023 #include <string>
00024 #include <map>
00025 #include "streambase.h"
00026 
00027 namespace Strigi {
00028 
00032 struct EntryInfo {
00038     std::string filename;
00042     std::map<std::string, std::string> properties;
00044     int64_t size;
00046     time_t mtime;
00048     enum Type {
00049         Unknown=0 ,
00050         Dir=1 ,
00051         File=2 
00052     };
00054     Type type;
00056     EntryInfo() :size(-1), mtime(0), type(Unknown) {}
00057 };
00058 
00067 class STREAMS_EXPORT SubStreamProvider {
00068 protected:
00070     StreamStatus m_status;
00075     std::string m_error;
00077     InputStream *m_input;
00079     InputStream *m_entrystream;
00081     EntryInfo m_entryinfo;
00082 public:
00091     SubStreamProvider(InputStream *input)
00092         : m_status(Ok)
00093         , m_input(input)
00094         , m_entrystream(0)
00095     {}
00101     virtual ~SubStreamProvider()
00102     {
00103         if (m_entrystream) {
00104             delete m_entrystream;
00105         }
00106     }
00110     StreamStatus status() const
00111     {
00112         return m_status;
00113     }
00136     virtual InputStream* nextEntry() = 0;
00140     InputStream* currentEntry()
00141     {
00142         return m_entrystream;
00143     }
00147     const EntryInfo &entryInfo() const
00148     {
00149         return m_entryinfo;
00150     }
00155     const char* error() const
00156     {
00157         return m_error.c_str();
00158     }
00159 };
00160 
00161 } // end namespace Strigi
00162 
00163 #endif
strigi/src/streams

substreamprovider.h

strigi/src/streams

KDE Support
