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/* ----------------------------------------------------------------------------
libconfig - A library for processing structured configuration files
Copyright (C) 2005-2010 Mark A Lindner
This file is part of libconfig.
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 Library General Public
License along with this library; if not, see
<http://www.gnu.org/licenses/>.
----------------------------------------------------------------------------
*/
#ifndef __libconfig_hpp
#define __libconfig_hpp
#include <stdio.h>
#include <exception>
#include <string>
#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
#if defined(LIBCONFIGXX_STATIC)
#define LIBCONFIGXX_API
#elif defined(LIBCONFIGXX_EXPORTS)
#define LIBCONFIGXX_API __declspec(dllexport)
#else /* ! LIBCONFIGXX_EXPORTS */
#define LIBCONFIGXX_API __declspec(dllimport)
#endif /* LIBCONFIGXX_STATIC */
#else /* ! WIN32 */
#define LIBCONFIGXX_API
#endif /* WIN32 */
#define LIBCONFIGXX_VER_MAJOR 1
#define LIBCONFIGXX_VER_MINOR 4
#define LIBCONFIGXX_VER_REVISION 9
struct config_t; // fwd decl
struct config_setting_t; // fwd decl
namespace libconfig {
class LIBCONFIGXX_API ConfigException : public std::exception { };
class Setting; // fwd decl
class LIBCONFIGXX_API SettingException : public ConfigException
{
friend class Config;
public:
SettingException(const SettingException &other);
SettingException& operator=(const SettingException &other);
virtual ~SettingException() throw();
const char *getPath() const;
virtual const char *what() const throw();
protected:
SettingException(const Setting &setting);
SettingException(const Setting &setting, int idx);
SettingException(const Setting &setting, const char *name);
SettingException(const char *path);
private:
char *_path;
};
class LIBCONFIGXX_API SettingTypeException : public SettingException
{
friend class Config;
friend class Setting;
public:
virtual const char *what() const throw();
private:
SettingTypeException(const Setting &setting);
SettingTypeException(const Setting &setting, int idx);
SettingTypeException(const Setting &setting, const char *name);
};
class LIBCONFIGXX_API SettingNotFoundException : public SettingException
{
friend class Config;
friend class Setting;
public:
virtual const char *what() const throw();
private:
SettingNotFoundException(const Setting &setting, int idx);
SettingNotFoundException(const Setting &setting, const char *name);
SettingNotFoundException(const char *path);
};
class LIBCONFIGXX_API SettingNameException : public SettingException
{
friend class Config;
friend class Setting;
public:
virtual const char *what() const throw();
private:
SettingNameException(const Setting &setting, const char *name);
};
class LIBCONFIGXX_API FileIOException : public ConfigException
{
public:
virtual const char *what() const throw();
};
class LIBCONFIGXX_API ParseException : public ConfigException
{
friend class Config;
public:
ParseException(const ParseException &other);
virtual ~ParseException() throw();
inline const char *getFile() const throw()
{ return(_file); }
inline int getLine() const throw()
{ return(_line); }
inline const char *getError() const throw()
{ return(_error); }
virtual const char *what() const throw();
private:
ParseException(const char *file, int line, const char *error);
const char *_file;
int _line;
const char *_error;
};
class LIBCONFIGXX_API Setting
{
friend class Config;
public:
enum Type
{
TypeNone = 0,
// scalar types
TypeInt,
TypeInt64,
TypeFloat,
TypeString,
TypeBoolean,
// aggregate types
TypeGroup,
TypeArray,
TypeList
};
enum Format
{
FormatDefault = 0,
FormatHex = 1
};
private:
config_setting_t *_setting;
Type _type;
Format _format;
Setting(config_setting_t *setting);
void assertType(Type type) const throw(SettingTypeException);
static Setting & wrapSetting(config_setting_t *setting);
Setting(const Setting& other); // not supported
Setting& operator=(const Setting& other); // not supported
public:
virtual ~Setting() throw();
inline Type getType() const throw() { return(_type); }
inline Format getFormat() const throw() { return(_format); }
void setFormat(Format format) throw();
operator bool() const throw(SettingTypeException);
operator int() const throw(SettingTypeException);
operator unsigned int() const throw(SettingTypeException);
operator long() const throw(SettingTypeException);
operator unsigned long() const throw(SettingTypeException);
operator long long() const throw(SettingTypeException);
operator unsigned long long() const throw(SettingTypeException);
operator double() const throw(SettingTypeException);
operator float() const throw(SettingTypeException);
operator const char *() const throw(SettingTypeException);
operator std::string() const throw(SettingTypeException);
inline const char *c_str() const throw(SettingTypeException)
{ return operator const char*(); }
Setting & operator=(bool value) throw(SettingTypeException);
Setting & operator=(int value) throw(SettingTypeException);
Setting & operator=(long value) throw(SettingTypeException);
Setting & operator=(const long long &value) throw(SettingTypeException);
Setting & operator=(const double &value) throw(SettingTypeException);
Setting & operator=(float value) throw(SettingTypeException);
Setting & operator=(const char *value) throw(SettingTypeException);
Setting & operator=(const std::string &value) throw(SettingTypeException);
Setting & operator[](const char *key) const
throw(SettingTypeException, SettingNotFoundException);
inline Setting & operator[](const std::string &key) const
throw(SettingTypeException, SettingNotFoundException)
{ return(operator[](key.c_str())); }
Setting & operator[](int index) const
throw(SettingTypeException, SettingNotFoundException);
bool lookupValue(const char *name, bool &value) const throw();
bool lookupValue(const char *name, int &value) const throw();
bool lookupValue(const char *name, unsigned int &value) const throw();
bool lookupValue(const char *name, long long &value) const throw();
bool lookupValue(const char *name, unsigned long long &value)
const throw();
bool lookupValue(const char *name, double &value) const throw();
bool lookupValue(const char *name, float &value) const throw();
bool lookupValue(const char *name, const char *&value) const throw();
bool lookupValue(const char *name, std::string &value) const throw();
inline bool lookupValue(const std::string &name, bool &value)
const throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, int &value)
const throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, unsigned int &value)
const throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, long long &value)
const throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name,
unsigned long long &value) const throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, double &value) const
throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, float &value) const
throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, const char *&value) const
throw()
{ return(lookupValue(name.c_str(), value)); }
inline bool lookupValue(const std::string &name, std::string &value) const
throw()
{ return(lookupValue(name.c_str(), value)); }
void remove(const char *name)
throw(SettingTypeException, SettingNotFoundException);
inline void remove(const std::string & name)
throw(SettingTypeException, SettingNotFoundException)
{ remove(name.c_str()); }
void remove(unsigned int idx)
throw(SettingTypeException, SettingNotFoundException);
inline Setting & add(const std::string & name, Type type)
throw(SettingNameException, SettingTypeException)
{ return(add(name.c_str(), type)); }
Setting & add(const char *name, Type type)
throw(SettingNameException, SettingTypeException);
Setting & add(Type type) throw(SettingTypeException);
inline bool exists(const std::string &name) const throw()
{ return(exists(name.c_str())); }
bool exists(const char *name) const throw();
int getLength() const throw();
const char *getName() const throw();
std::string getPath() const;
int getIndex() const throw();
const Setting & getParent() const throw(SettingNotFoundException);
Setting & getParent() throw(SettingNotFoundException);
bool isRoot() const throw();
inline bool isGroup() const throw()
{ return(_type == TypeGroup); }
inline bool isArray() const throw()
{ return(_type == TypeArray); }
inline bool isList() const throw()
{ return(_type == TypeList); }
inline bool isAggregate() const throw()
{ return(_type >= TypeGroup); }
inline bool isScalar() const throw()
{ return((_type > TypeNone) && (_type < TypeGroup)); }
inline bool isNumber() const throw()
{ return((_type == TypeInt) || (_type == TypeInt64)
|| (_type == TypeFloat)); }
unsigned int getSourceLine() const throw();
const char *getSourceFile() const throw();
};
class LIBCONFIGXX_API Config
{
private:
config_t *_config;
static void ConfigDestructor(void *arg);
Config(const Config& other); // not supported
Config& operator=(const Config& other); // not supported
public:
Config();
virtual ~Config();
void setAutoConvert(bool flag);
bool getAutoConvert() const;
void setDefaultFormat(Setting::Format format);
inline Setting::Format getDefaultFormat() const
{ return(_defaultFormat); }
void setTabWidth(unsigned short width) throw();
unsigned short getTabWidth() const throw();
void setIncludeDir(const char *includeDir) throw();
const char *getIncludeDir() const throw();
void read(FILE *stream) throw(ParseException);
void write(FILE *stream) const;
void readString(const char *str) throw(ParseException);
inline void readString(const std::string &str) throw(ParseException)
{ return(readString(str.c_str())); }
void readFile(const char *filename) throw(FileIOException, ParseException);
void writeFile(const char *filename) throw(FileIOException);
inline Setting & lookup(const std::string &path) const
throw(SettingNotFoundException)
{ return(lookup(path.c_str())); }
Setting & lookup(const char *path) const throw(SettingNotFoundException);
inline bool exists(const std::string & path) const throw()
{ return(exists(path.c_str())); }
bool exists(const char *path) const throw();
bool lookupValue(const char *path, bool &value) const throw();
bool lookupValue(const char *path, int &value) const throw();
bool lookupValue(const char *path, unsigned int &value) const throw();
bool lookupValue(const char *path, long long &value) const throw();
bool lookupValue(const char *path, unsigned long long &value)
const throw();
bool lookupValue(const char *path, double &value) const throw();
bool lookupValue(const char *path, float &value) const throw();
bool lookupValue(const char *path, const char *&value) const throw();
bool lookupValue(const char *path, std::string &value) const throw();
inline bool lookupValue(const std::string &path, bool &value) const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, int &value) const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, unsigned int &value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, long long &value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path,
unsigned long long &value) const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, double &value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, float &value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, const char *&value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
inline bool lookupValue(const std::string &path, std::string &value)
const throw()
{ return(lookupValue(path.c_str(), value)); }
Setting & getRoot() const;
private:
Setting::Format _defaultFormat;
void handleError() const;
};
} // namespace libconfig
#endif // __libconfig_hpp
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