pluginmrulist.cpp

来自「ncbi源码」· C++ 代码 · 共 236 行

/*
 * ===========================================================================
 * PRODUCTION $Log: PluginMRUList.cpp,v $
 * PRODUCTION Revision 1000.0  2004/06/01 21:26:05  gouriano
 * PRODUCTION PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.3
 * PRODUCTION
 * ===========================================================================
 */

/* $Id: PluginMRUList.cpp,v 1000.0 2004/06/01 21:26:05 gouriano Exp $
 * ===========================================================================
 *
 *                            PUBLIC DOMAIN NOTICE
 *               National Center for Biotechnology Information
 *
 *  This software/database is a "United States Government Work" under the
 *  terms of the United States Copyright Act.  It was written as part of
 *  the author's official duties as a United States Government employee and
 *  thus cannot be copyrighted.  This software/database is freely available
 *  to the public for use. The National Library of Medicine and the U.S.
 *  Government have not placed any restriction on its use or reproduction.
 *
 *  Although all reasonable efforts have been taken to ensure the accuracy
 *  and reliability of the software and data, the NLM and the U.S.
 *  Government do not and cannot warrant the performance or results that
 *  may be obtained by using this software or data. The NLM and the U.S.
 *  Government disclaim all warranties, express or implied, including
 *  warranties of performance, merchantability or fitness for any particular
 *  purpose.
 *
 *  Please cite the author in any work or product based on this material.
 *
 * ===========================================================================
 *
 * Author:  .......
 *
 * File Description:
 *   .......
 *
 * Remark:
 *   This code was originally generated by application DATATOOL
 *   using specifications from the data definition file
 *   'plugin.asn'.
 */

// standard includes
#include <ncbi_pch.hpp>
#include <corelib/ncbistre.hpp>
#include <serial/objostr.hpp>
#include <serial/objistr.hpp>
#include <serial/serial.hpp>
#include <gui/utils/system_path.hpp>
#include <gui/plugin/PluginMRUEntry.hpp>

// generated includes
#include <gui/plugin/PluginMRUList.hpp>

// generated classes

BEGIN_NCBI_SCOPE

BEGIN_objects_SCOPE // namespace ncbi::objects::

// constructor
CPluginMRUList::CPluginMRUList(const string& filename, int max_list_size)
: m_Filename(filename),
  m_MaxListSize(max_list_size)

{
    x_ReadCacheFile();
}


// destructor
CPluginMRUList::~CPluginMRUList(void)
{
}


void CPluginMRUList::Add(CPluginMessage& msg, const string& label)
{
    if (CRef<CPluginMRUEntry> entry = x_Exists(label)) {
        Set().remove(entry);
    }
    CRef<CPluginMessage> clone(new CPluginMessage());
    clone->Assign(msg);
    clone->SetReply().Reset();

    CRef<CPluginMRUEntry> entry(new CPluginMRUEntry);
    entry->SetMessage(*clone);
    entry->SetLabel(label);
    
    Set().push_front(entry);

    while (Get().size() > m_MaxListSize) {
        Set().pop_back();
    }

    x_WriteCacheFile();
}



void CPluginMRUList::Delete(CPluginMessage& msg)
{
    if (CRef<CPluginMRUEntry> entry = x_Exists(msg)) {
        Set().remove(entry);
    }
}



CRef<CPluginMRUEntry> CPluginMRUList::x_Exists(const string& label)
{
    NON_CONST_ITERATE(CPluginMRUList::Tdata, iter, Set()) {
        CRef<CPluginMRUEntry> entry = *iter;
        
        if (entry->GetLabel() == label) {
            return entry;
        }
    }

    return CRef<CPluginMRUEntry>(null);
}


CRef<CPluginMRUEntry> CPluginMRUList::x_Exists(CPluginMessage& msg)
{
    CRef<CPluginMessage> msg_ref(&msg);
    NON_CONST_ITERATE(CPluginMRUList::Tdata, iter, Set()) {
        CRef<CPluginMRUEntry> entry = *iter;
        
        if (&(entry->GetMessage()) == &msg) {
            return entry;
        }
    }

    return CRef<CPluginMRUEntry>(null);
}


//const CPluginMRUList::TPluginMessageList& 
//CPluginMRUList::GetMessageList() const 
//{
//    return m_List;
//}


void CPluginMRUList::x_ReadCacheFile()
{
    string filename = CSystemPath::ResolvePath("<home>/" + m_Filename);
    auto_ptr<CNcbiIfstream> in_file_str
        (new CNcbiIfstream(filename.c_str()));
    if (in_file_str->fail()) {
        // log
        return;
    }

    auto_ptr<CObjectIStream> in_obj_str
        (CObjectIStream::Open(eSerial_AsnText, *in_file_str));

    try {
        *in_obj_str >> *this;
    }
    catch (exception const except) {
        LOG_POST(Warning  << "MRU Chache file read failed: " << except.what());
    }
    /**
    catch (...) {
        LOG_POST(Warning  << "MRU Chache file read failed: ");
    }
    **/
/*
    while (!in_file_str->eof()) {
        CRef<CPluginMessage> msg(new CPluginMessage());
        
        try {
            *in_obj_str >> *msg;
        } 
        catch (...) {
            // log
            return;
        }

        m_List.push_back(msg);
    }
*/
}


void CPluginMRUList::x_WriteCacheFile()
{
    string filename = CSystemPath::ResolvePath("<home>/" + m_Filename);
    auto_ptr<CNcbiOfstream> out_file_str
        (new CNcbiOfstream(filename.c_str(), IOS_BASE::trunc));
    if (out_file_str->fail()) {
        // log
        return;
    }

    auto_ptr<CObjectOStream> out_obj_str
        (CObjectOStream::Open(eSerial_AsnText, *out_file_str));

    *out_obj_str << *this;
//    ITERATE(TPluginMessageList, iter, m_List) {
//        *out_obj_str << **iter;
//    }
}


END_objects_SCOPE // namespace ncbi::objects::

END_NCBI_SCOPE


/*
* ===========================================================================
*
* $Log: PluginMRUList.cpp,v $
* Revision 1000.0  2004/06/01 21:26:05  gouriano
* PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.3
*
* Revision 1.3  2004/06/01 18:09:45  dicuccio
* Always prune the MRU list to the maximum size if it is larger
*
* Revision 1.2  2004/05/21 22:27:46  gorelenk
* Added PCH ncbi_pch.hpp
*
* Revision 1.1  2004/05/18 11:18:35  friedman
* Initial Revision
*
*
* ===========================================================================
*/
/* Original file checksum: lines: 64, chars: 1889, CRC32: 5415d4ae */