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new file 100644
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/* ----------------------------------------------------------------------------
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libconfig - A library for processing structured configuration files
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Copyright (C) 2005-2010 Mark A Lindner
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This file is part of libconfig.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public License
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as published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, see
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<http://www.gnu.org/licenses/>.
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----------------------------------------------------------------------------
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*/
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#ifndef __libconfig_hpp
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#define __libconfig_hpp
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#include <stdio.h>
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#include <exception>
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#include <string>
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#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
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#if defined(LIBCONFIGXX_STATIC)
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#define LIBCONFIGXX_API
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#elif defined(LIBCONFIGXX_EXPORTS)
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#define LIBCONFIGXX_API __declspec(dllexport)
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#else /* ! LIBCONFIGXX_EXPORTS */
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#define LIBCONFIGXX_API __declspec(dllimport)
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#endif /* LIBCONFIGXX_STATIC */
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#else /* ! WIN32 */
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#define LIBCONFIGXX_API
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#endif /* WIN32 */
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#define LIBCONFIGXX_VER_MAJOR 1
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#define LIBCONFIGXX_VER_MINOR 4
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#define LIBCONFIGXX_VER_REVISION 9
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struct config_t; // fwd decl
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struct config_setting_t; // fwd decl
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namespace libconfig {
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class LIBCONFIGXX_API ConfigException : public std::exception { };
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class Setting; // fwd decl
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class LIBCONFIGXX_API SettingException : public ConfigException
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{
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friend class Config;
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public:
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SettingException(const SettingException &other);
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SettingException& operator=(const SettingException &other);
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virtual ~SettingException() throw();
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const char *getPath() const;
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virtual const char *what() const throw();
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protected:
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SettingException(const Setting &setting);
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SettingException(const Setting &setting, int idx);
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SettingException(const Setting &setting, const char *name);
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SettingException(const char *path);
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private:
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char *_path;
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};
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class LIBCONFIGXX_API SettingTypeException : public SettingException
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{
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friend class Config;
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friend class Setting;
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public:
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virtual const char *what() const throw();
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private:
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SettingTypeException(const Setting &setting);
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SettingTypeException(const Setting &setting, int idx);
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SettingTypeException(const Setting &setting, const char *name);
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};
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class LIBCONFIGXX_API SettingNotFoundException : public SettingException
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{
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friend class Config;
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friend class Setting;
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public:
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virtual const char *what() const throw();
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private:
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SettingNotFoundException(const Setting &setting, int idx);
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SettingNotFoundException(const Setting &setting, const char *name);
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SettingNotFoundException(const char *path);
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};
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class LIBCONFIGXX_API SettingNameException : public SettingException
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{
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friend class Config;
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friend class Setting;
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public:
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virtual const char *what() const throw();
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private:
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SettingNameException(const Setting &setting, const char *name);
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};
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class LIBCONFIGXX_API FileIOException : public ConfigException
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{
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public:
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virtual const char *what() const throw();
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};
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class LIBCONFIGXX_API ParseException : public ConfigException
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{
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friend class Config;
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public:
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ParseException(const ParseException &other);
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virtual ~ParseException() throw();
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inline const char *getFile() const throw()
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{ return(_file); }
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inline int getLine() const throw()
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{ return(_line); }
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inline const char *getError() const throw()
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{ return(_error); }
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virtual const char *what() const throw();
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private:
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ParseException(const char *file, int line, const char *error);
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const char *_file;
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int _line;
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const char *_error;
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};
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class LIBCONFIGXX_API Setting
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{
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friend class Config;
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public:
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enum Type
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{
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TypeNone = 0,
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// scalar types
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TypeInt,
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TypeInt64,
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TypeFloat,
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TypeString,
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TypeBoolean,
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// aggregate types
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TypeGroup,
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TypeArray,
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TypeList
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};
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enum Format
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{
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FormatDefault = 0,
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FormatHex = 1
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};
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private:
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config_setting_t *_setting;
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Type _type;
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Format _format;
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Setting(config_setting_t *setting);
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void assertType(Type type) const throw(SettingTypeException);
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static Setting & wrapSetting(config_setting_t *setting);
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Setting(const Setting& other); // not supported
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Setting& operator=(const Setting& other); // not supported
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public:
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virtual ~Setting() throw();
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inline Type getType() const throw() { return(_type); }
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inline Format getFormat() const throw() { return(_format); }
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void setFormat(Format format) throw();
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operator bool() const throw(SettingTypeException);
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operator int() const throw(SettingTypeException);
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operator unsigned int() const throw(SettingTypeException);
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operator long() const throw(SettingTypeException);
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operator unsigned long() const throw(SettingTypeException);
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operator long long() const throw(SettingTypeException);
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operator unsigned long long() const throw(SettingTypeException);
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operator double() const throw(SettingTypeException);
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operator float() const throw(SettingTypeException);
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operator const char *() const throw(SettingTypeException);
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operator std::string() const throw(SettingTypeException);
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inline const char *c_str() const throw(SettingTypeException)
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{ return operator const char*(); }
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Setting & operator=(bool value) throw(SettingTypeException);
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Setting & operator=(int value) throw(SettingTypeException);
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Setting & operator=(long value) throw(SettingTypeException);
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Setting & operator=(const long long &value) throw(SettingTypeException);
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Setting & operator=(const double &value) throw(SettingTypeException);
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Setting & operator=(float value) throw(SettingTypeException);
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Setting & operator=(const char *value) throw(SettingTypeException);
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Setting & operator=(const std::string &value) throw(SettingTypeException);
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Setting & operator[](const char *key) const
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throw(SettingTypeException, SettingNotFoundException);
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inline Setting & operator[](const std::string &key) const
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throw(SettingTypeException, SettingNotFoundException)
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{ return(operator[](key.c_str())); }
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Setting & operator[](int index) const
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throw(SettingTypeException, SettingNotFoundException);
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bool lookupValue(const char *name, bool &value) const throw();
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bool lookupValue(const char *name, int &value) const throw();
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bool lookupValue(const char *name, unsigned int &value) const throw();
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bool lookupValue(const char *name, long long &value) const throw();
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bool lookupValue(const char *name, unsigned long long &value)
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const throw();
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bool lookupValue(const char *name, double &value) const throw();
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bool lookupValue(const char *name, float &value) const throw();
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bool lookupValue(const char *name, const char *&value) const throw();
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bool lookupValue(const char *name, std::string &value) const throw();
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inline bool lookupValue(const std::string &name, bool &value)
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const throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, int &value)
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const throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, unsigned int &value)
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const throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, long long &value)
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const throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name,
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unsigned long long &value) const throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, double &value) const
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throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, float &value) const
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throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, const char *&value) const
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throw()
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{ return(lookupValue(name.c_str(), value)); }
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inline bool lookupValue(const std::string &name, std::string &value) const
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throw()
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{ return(lookupValue(name.c_str(), value)); }
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void remove(const char *name)
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throw(SettingTypeException, SettingNotFoundException);
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inline void remove(const std::string & name)
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throw(SettingTypeException, SettingNotFoundException)
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{ remove(name.c_str()); }
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void remove(unsigned int idx)
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throw(SettingTypeException, SettingNotFoundException);
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inline Setting & add(const std::string & name, Type type)
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throw(SettingNameException, SettingTypeException)
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{ return(add(name.c_str(), type)); }
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Setting & add(const char *name, Type type)
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throw(SettingNameException, SettingTypeException);
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Setting & add(Type type) throw(SettingTypeException);
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inline bool exists(const std::string &name) const throw()
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{ return(exists(name.c_str())); }
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bool exists(const char *name) const throw();
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int getLength() const throw();
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const char *getName() const throw();
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std::string getPath() const;
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int getIndex() const throw();
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const Setting & getParent() const throw(SettingNotFoundException);
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Setting & getParent() throw(SettingNotFoundException);
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bool isRoot() const throw();
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inline bool isGroup() const throw()
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{ return(_type == TypeGroup); }
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inline bool isArray() const throw()
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{ return(_type == TypeArray); }
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inline bool isList() const throw()
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{ return(_type == TypeList); }
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inline bool isAggregate() const throw()
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{ return(_type >= TypeGroup); }
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inline bool isScalar() const throw()
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{ return((_type > TypeNone) && (_type < TypeGroup)); }
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inline bool isNumber() const throw()
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{ return((_type == TypeInt) || (_type == TypeInt64)
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|| (_type == TypeFloat)); }
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unsigned int getSourceLine() const throw();
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const char *getSourceFile() const throw();
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};
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class LIBCONFIGXX_API Config
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{
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private:
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config_t *_config;
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static void ConfigDestructor(void *arg);
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Config(const Config& other); // not supported
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Config& operator=(const Config& other); // not supported
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public:
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Config();
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virtual ~Config();
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void setAutoConvert(bool flag);
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bool getAutoConvert() const;
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void setDefaultFormat(Setting::Format format);
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inline Setting::Format getDefaultFormat() const
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{ return(_defaultFormat); }
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void setTabWidth(unsigned short width) throw();
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unsigned short getTabWidth() const throw();
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void setIncludeDir(const char *includeDir) throw();
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const char *getIncludeDir() const throw();
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void read(FILE *stream) throw(ParseException);
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void write(FILE *stream) const;
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void readString(const char *str) throw(ParseException);
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inline void readString(const std::string &str) throw(ParseException)
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{ return(readString(str.c_str())); }
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void readFile(const char *filename) throw(FileIOException, ParseException);
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void writeFile(const char *filename) throw(FileIOException);
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inline Setting & lookup(const std::string &path) const
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throw(SettingNotFoundException)
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{ return(lookup(path.c_str())); }
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Setting & lookup(const char *path) const throw(SettingNotFoundException);
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inline bool exists(const std::string & path) const throw()
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{ return(exists(path.c_str())); }
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bool exists(const char *path) const throw();
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bool lookupValue(const char *path, bool &value) const throw();
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bool lookupValue(const char *path, int &value) const throw();
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bool lookupValue(const char *path, unsigned int &value) const throw();
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bool lookupValue(const char *path, long long &value) const throw();
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bool lookupValue(const char *path, unsigned long long &value)
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const throw();
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bool lookupValue(const char *path, double &value) const throw();
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bool lookupValue(const char *path, float &value) const throw();
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bool lookupValue(const char *path, const char *&value) const throw();
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bool lookupValue(const char *path, std::string &value) const throw();
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inline bool lookupValue(const std::string &path, bool &value) const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, int &value) const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, unsigned int &value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, long long &value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path,
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unsigned long long &value) const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, double &value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, float &value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, const char *&value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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inline bool lookupValue(const std::string &path, std::string &value)
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const throw()
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{ return(lookupValue(path.c_str(), value)); }
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Setting & getRoot() const;
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private:
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Setting::Format _defaultFormat;
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void handleError() const;
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};
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} // namespace libconfig
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#endif // __libconfig_hpp
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