LogicalLocation.cc

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// -*- lsst-c++ -*-
 
/*
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 LSST Corporation.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * This program 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 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 LSST License Statement and
 * the GNU General Public License along with this program.  If not,
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
#ifndef __GNUC__
#define __attribute__(x) /*NOTHING*/
#endif
 
#include <regex>
 
static char const* SVNid __attribute__((unused)) = "$Id$";
 
#include "lsst/daf/persistence/LogicalLocation.h"
 
#include "lsst/pex/exceptions.h"
#include "lsst/log/Log.h"
 
namespace dafBase = lsst::daf::base;
namespace dafPersist = lsst::daf::persistence;
namespace pexExcept = lsst::pex::exceptions;
 
namespace {
LOG_LOGGER _log = LOG_GET("daf.persistence.LogicalLocation");
}
 
dafBase::PropertySet::Ptr dafPersist::LogicalLocation::_map;
 
dafPersist::LogicalLocation::LogicalLocation(std::string const& locString,
                                             std::shared_ptr<dafBase::PropertySet const> additionalData)
        : _locString() {
    std::regex expr("(%.*?)\\((\\w+?)\\)");
    std::sregex_iterator i = std::sregex_iterator(locString.begin(), locString.end(), expr);
    std::sregex_iterator last;
    LOGLS_DEBUG(_log, "Input string: " << locString);
    while (i != std::sregex_iterator()) {
        last = i;
        if ((*i).prefix().matched) {
            _locString += (*i).prefix().str();
        }
        std::string fmt = (*i).str(1);
        std::string key = (*i).str(2);
        LOGLS_DEBUG(_log, "Key: " << key);
        if (_map && _map->exists(key)) {
            if (_map->typeOf(key) == typeid(int)) {
                int value = _map->getAsInt(key);
                LOGLS_DEBUG(_log, "Map Val: " << value);
                if (fmt == "%") {
                    _locString += (boost::format("%1%") % value).str();
                } else {
                    _locString += (boost::format(fmt) % value).str();
                }
            } else {
                std::string value = _map->getAsString(key);
                LOGLS_DEBUG(_log, "Map Val: " << value);
                _locString += value;
            }
        } else if (additionalData && additionalData->exists(key)) {
            if (additionalData->typeOf(key) == typeid(int)) {
                int value = additionalData->getAsInt(key);
                LOGLS_DEBUG(_log, "Map Val: " << value);
                if (fmt == "%") {
                    _locString += (boost::format("%1%") % value).str();
                } else {
                    _locString += (boost::format(fmt) % value).str();
                }
            } else {
                std::string value = additionalData->getAsString(key);
                LOGLS_DEBUG(_log, "Map Val: " << value);
                _locString += value;
            }
        } else {
            throw LSST_EXCEPT(pexExcept::RuntimeError, "Unknown substitution: " + key);
        }
        ++i;
    }
    if (last == std::sregex_iterator()) {
        _locString = locString;
        LOGLS_DEBUG(_log, "Copy to: " << _locString);
    } else {
        _locString += (*last).suffix().str();
        LOGLS_DEBUG(_log, "Result: " << _locString);
    }
}
 
std::string const& dafPersist::LogicalLocation::locString(void) const { return _locString; }
 
void dafPersist::LogicalLocation::setLocationMap(std::shared_ptr<dafBase::PropertySet> map) {
    if (map) {
        _map = map->deepCopy();
    } else {
        _map.reset();
    }
}