filter.cpp
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上传日期：2007-06-13
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- /*
- * ===========================================================================
- * PRODUCTION $Log: filter.cpp,v $
- * PRODUCTION Revision 1000.0 2004/06/01 21:20:31 gouriano
- * PRODUCTION PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.2
- * PRODUCTION
- * ===========================================================================
- */
- /* $Id: filter.cpp,v 1000.0 2004/06/01 21:20:31 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.
- *
- * ===========================================================================
- *
- * Authors: Mike DiCuccio
- *
- * File Description:
- * CFilterSet -- container for a number of column filtering rules
- * CFilter -- encapsulates a single filter rule
- */
- #include <ncbi_pch.hpp>
- #include <gui/objutils/filter.hpp>
- BEGIN_NCBI_SCOPE
- CFilter::CFilter(const string& name, int col, EMode mode,
- const string& data)
- : m_Name(name),
- m_Col(col),
- m_Mode(mode),
- m_Data(data)
- {
- }
- bool CFilter::Filter(const vector<string>& row, ECompare compare) const
- {
- if (m_Col < 0 || m_Col >= (int)row.size()) {
- return false;
- }
- switch (m_Mode) {
- case ePass:
- return true;
- case eContains:
- // we force comparison as a string
- return (row[m_Col].find(m_Data) != string::npos);
- case eDoesntContain:
- // we force comparison as a string
- return (row[m_Col].find(m_Data) == string::npos);
- case eEquals:
- if (compare == eString) {
- return (row[m_Col] == m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) ==
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- case eDoesntEqual:
- if (compare == eString) {
- return (row[m_Col] != m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) !=
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- case eLess:
- if (compare == eString) {
- return (row[m_Col] < m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) <
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- case eLessEquals:
- if (compare == eString) {
- return (row[m_Col] <= m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) <=
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- case eGreater:
- if (compare == eString) {
- return (row[m_Col] > m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) >
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- case eGreaterEquals:
- if (compare == eString) {
- return (row[m_Col] >= m_Data);
- }
- return (NStr::StringToInt(row[m_Col], 10, NStr::eCheck_Skip) >=
- NStr::StringToInt(m_Data, 10, NStr::eCheck_Skip));
- }
- return false;
- }
- // filter a given row, returning true if a match exists
- bool CFilterSet::Filter(const vector<string>& row) const
- {
- ITERATE (TFilters, iter, m_Filters) {
- const CFilter& filter = **iter;
- int col = filter.GetColumn();
- if ( !filter.Filter(row, m_ColTypes[col]) ) {
- return false;
- }
- }
- return true;
- }
- // add a filter to the list
- void CFilterSet::Add(CFilter* filter)
- {
- m_Filters.push_back(CRef<CFilter>(filter));
- }
- // remove a named filter
- void CFilterSet::Remove(const string& name)
- {
- NON_CONST_ITERATE (TFilters, iter, m_Filters) {
- if ((*iter)->GetName() == name) {
- iter = m_Filters.erase(iter);
- --iter;
- }
- }
- }
- // remove a filter by pointer
- void CFilterSet::Remove(CFilter* filter)
- {
- NON_CONST_ITERATE (TFilters, iter, m_Filters) {
- if ((*iter).GetPointer() == filter) {
- m_Filters.erase(iter);
- break;
- }
- }
- }
- void CFilterSet::SetColType(size_t col, CFilter::ECompare comp)
- {
- if (m_ColTypes.size() <= col) {
- m_ColTypes.resize(col + 1, CFilter::eString);
- }
- m_ColTypes[col] = comp;
- }
- END_NCBI_SCOPE
- /*
- * ===========================================================================
- * $Log: filter.cpp,v $
- * Revision 1000.0 2004/06/01 21:20:31 gouriano
- * PRODUCTION: IMPORTED [GCC34_MSVC7] Dev-tree R1.2
- *
- * Revision 1.2 2004/05/21 22:27:43 gorelenk
- * Added PCH ncbi_pch.hpp
- *
- * Revision 1.1 2004/04/30 11:48:15 dicuccio
- * Initial commit - split out from src/gui/utils
- *
- * Revision 1.5 2003/06/23 13:20:50 dicuccio
- * Use size_t instead of int for indexing
- *
- * Revision 1.4 2003/03/11 15:25:12 kuznets
- * iterate -> ITERATE
- *
- * Revision 1.3 2003/01/15 21:15:17 dicuccio
- * Removed useless _TRACE() messages
- *
- * Revision 1.2 2003/01/13 13:10:11 dicuccio
- * Namespace clean-up. Retired namespace gui -> converted all to namespace
- * ncbi. Moved all FLUID-generated code into namespace ncbi.
- *
- * Revision 1.1 2003/01/08 15:03:34 dicuccio
- * Added filter classes for filtering rows of string-based data
- *
- * ===========================================================================
- */
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