sintonia/livesupport/modules/storage/src/SearchCriteria.cxx

126 lines
4.5 KiB
C++

/*------------------------------------------------------------------------------
Copyright (c) 2004 Media Development Loan Fund
This file is part of the LiveSupport project.
http://livesupport.campware.org/
To report bugs, send an e-mail to bugs@campware.org
LiveSupport is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
LiveSupport is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LiveSupport; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Author : $Author: fgerlits $
Version : $Revision: 1.2 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/storage/src/Attic/SearchCriteria.cxx,v $
------------------------------------------------------------------------------*/
/* ============================================================ include files */
#ifdef HAVE_CONFIG_H
#include "configure.h"
#endif
#include "LiveSupport/Storage/SearchCriteria.h"
using namespace LiveSupport::Storage;
/* =================================================== local data structures */
/* ================================================ local constants & macros */
/* =============================================== local function prototypes */
/* ============================================================= module code */
/*------------------------------------------------------------------------------
* Construct a SearchCriteria object with a single condition.
*----------------------------------------------------------------------------*/
SearchCriteria :: SearchCriteria(const std::string & type,
const std::string & key,
const std::string & comparisonOperator,
const std::string & value)
throw(std::invalid_argument)
: logicalOperator("and"), limit(0), offset(0)
{
setType(type);
addCondition(key, comparisonOperator, value);
}
/*------------------------------------------------------------------------------
* Add a search condition.
*----------------------------------------------------------------------------*/
void
SearchCriteria :: addCondition(const std::string & key,
const std::string & comparisonOperator,
const std::string & value)
throw(std::invalid_argument)
{
std::string lowerCaseOp = lowerCase(comparisonOperator);
if (lowerCaseOp == "="
|| lowerCaseOp == "partial" || lowerCaseOp == "prefix"
|| lowerCaseOp == "<" || lowerCaseOp == "<="
|| lowerCaseOp == ">" || lowerCaseOp == ">=") {
SearchConditionType condition = { key, lowerCaseOp, value };
searchConditions.push_back(condition);
} else {
throw std::invalid_argument("bad comparison operator argument");
}
}
/*------------------------------------------------------------------------------
* Convert to an XmlRpc::XmlRpcValue.
*----------------------------------------------------------------------------*/
SearchCriteria :: operator XmlRpc::XmlRpcValue() const
throw()
{
XmlRpc::XmlRpcValue returnValue;
returnValue["filetype"] = type;
if (searchConditions.size() > 1) {
returnValue["operator"] = logicalOperator;
}
XmlRpc::XmlRpcValue conditionList;
conditionList.setSize(searchConditions.size());
SearchConditionListType::const_iterator
it = searchConditions.begin();
for (int i = 0; it != searchConditions.end(); ++i, ++it) {
XmlRpc::XmlRpcValue condition;
condition["cat"] = it->key;
condition["op"] = it->comparisonOperator;
condition["val"] = it->value;
conditionList[i] = condition;
}
returnValue["conditions"] = conditionList;
if (limit) {
returnValue["limit"] = limit;
}
if (offset) {
returnValue["offset"] = offset;
}
return returnValue;
}