root
142 lines
3.9 KiB
C++
Executable File
142 lines
3.9 KiB
C++
Executable File
/*****************************************************************************\
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* Copyright (C) 2007-2019 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2001-2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Jim Garlick <garlick@llnl.gov> and Albert Chu <chu11@llnl.gov>.
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* UCRL-CODE-2003-004.
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*
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* This file is part of Genders, a cluster configuration database.
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* For details, see <http://www.llnl.gov/linux/genders/>.
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*
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* Genders is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* Genders is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along
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* with Genders. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _GENDERSPLUSPLUS_HPP
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#define _GENDERSPLUSPLUS_HPP
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#include <iostream>
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#include <string>
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#include <vector>
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extern "C" {
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#include <genders.h>
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}
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namespace Gendersplusplus
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{
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/*
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* GendersException
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*
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* May occur in any Genders class function.
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*/
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class GendersException
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{
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public:
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GendersException();
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GendersException(int errnum);
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const char *errormsg() const;
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int errnum() const;
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private:
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int _errnum;
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};
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std::ostream &operator<<(std::ostream &output, const GendersException &e);
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class GendersExceptionOpen : public GendersException
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{
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public:
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GendersExceptionOpen();
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};
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class GendersExceptionRead : public GendersException
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{
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public:
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GendersExceptionRead();
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};
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class GendersExceptionParse : public GendersException
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{
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public:
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GendersExceptionParse();
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};
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class GendersExceptionParameters : public GendersException
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{
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public:
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GendersExceptionParameters();
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};
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class GendersExceptionNotfound : public GendersException
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{
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public:
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GendersExceptionNotfound();
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};
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class GendersExceptionSyntax : public GendersException
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{
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public:
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GendersExceptionSyntax();
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};
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class GendersExceptionInternal : public GendersException
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{
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public:
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GendersExceptionInternal();
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};
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/*
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* Genders
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*
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* C++ class for libgenders. Operates nearly identically to classic
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* genders C library. Changes include:
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*
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* - Errors are returned via exceptions
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* - Use of STL instead of genders specific data structures
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* - Functions may take empty strings instead of NULL pointers for
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* defaults.
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*
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*/
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class Genders
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{
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public:
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Genders();
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Genders(const std::string filename);
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Genders(const Genders ©);
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const Genders &operator=(const Genders &right);
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~Genders();
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unsigned int getnumnodes() const;
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unsigned int getnumattrs() const;
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unsigned int getmaxattrs() const;
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std::string getnodename() const;
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std::vector< std::string > getnodes(const std::string attr = "", const std::string val = "") const;
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std::vector< std::pair< std::string, std::string > > getattr(const std::string node = "") const;
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std::vector< std::string > getattr_all() const;
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bool testattr(const std::string attr, std::string &val, const std::string node = "") const;
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bool testattrval(const std::string attr, const std::string val = "", const std::string node = "") const;
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bool isnode(const std::string node = "") const;
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bool isattr(const std::string attr) const;
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bool isattrval(const std::string attr, const std::string val) const;
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std::vector< std::string > query(const std::string query = "") const;
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bool testquery(const std::string query, const std::string node = "");
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private:
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void _constructor(const std::string filename);
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void _throw_exception(int errnum) const;
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genders_t gh;
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};
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} // Gendersplusplus
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#endif /* _GENDERSPLUSPLUS_HPP */
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