NCMLUtil.h

// This file is part of the "NcML Module" project, a BES module designed
// to allow NcML files to be used to be used as a wrapper to add
// AIS to existing datasets of any format.
//
// Copyright (c) 2009 OPeNDAP, Inc.
// Author: Michael Johnson  <m.johnson@opendap.org>
//
// For more information, please also see the main website: http://opendap.org/
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef __NCML_MODULE_NCML_UTIL_H__
#define __NCML_MODULE_NCML_UTIL_H__

 
namespace libdap {
// FDecls
class BaseType;
class Constructor;
class DDS;
class DAS;
class AttrTable;
}
 
class BESDapResponse;
 
#include <string>
#include <vector>
 
// If there isn't one defined yet, define a safe delete
// to clear ptr after delete to avoid problems.
#ifndef SAFE_DELETE
#define SAFE_DELETE(a) { delete (a); (a) = 0; }
#endif // SAFE_DELETE
 
namespace ncml_module {
class NCMLUtil {
    NCMLUtil()
    {
    }
public:
    ~NCMLUtil()
    {
    }

    static const std::string WHITESPACE;

    static int tokenize(const std::string& str, std::vector<std::string>& tokens,
        const std::string& delimiters = " \t");

    static int tokenizeChars(const std::string& str, std::vector<std::string>& tokens);

    static bool isAscii(const std::string& str);

    static bool isAllWhitespace(const std::string& str);

    static void trimLeft(std::string& str, const std::string& trimChars = WHITESPACE);

    static void trimRight(std::string& str, const std::string& trimChars = WHITESPACE);

    static void trim(std::string& str, const std::string& trimChars = WHITESPACE)
    {
        trimLeft(str, trimChars);
        trimRight(str, trimChars);
    }

    static void trimAll(std::vector<std::string>& tokens, const std::string& trimChars = WHITESPACE);

    static bool toUnsignedInt(const std::string& stringVal, unsigned int& oVal);

    static void populateDASFromDDS(libdap::DAS* das, const libdap::DDS& dds_const);

    static void copyVariablesAndAttributesInto(libdap::DDS* dds_out, const libdap::DDS& dds_in);

    static libdap::DDS* getDDSFromEitherResponse(BESDapResponse* response);
 
    static void hackGlobalAttributesForDAP2(libdap::AttrTable &global_attributes,
        const std::string &global_container_name);

    static void setVariableNameProperly(libdap::BaseType* pVar, const std::string& name);
 
};
// class NCMLUtil
}// namespace ncml_module
 
#endif /* __NCML_MODULE_NCML_UTIL_H__ */