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// Read an INI file into easy-to-access name/value pairs.
// SPDX-License-Identifier: BSD-3-Clause
// Copyright (C) 2009-2020, Ben Hoyt
// inih and INIReader are released under the New BSD license (see LICENSE.txt).
// Go to the project home page for more info:
//
// https://github.com/benhoyt/inih
#ifndef INIREADER_H
#define INIREADER_H
#include <map>
#include <string>
#include <cstdint>
#include <vector>
#include <set>
// Visibility symbols, required for Windows DLLs
#ifndef INI_API
#if defined _WIN32 || defined __CYGWIN__
# ifdef INI_SHARED_LIB
# ifdef INI_SHARED_LIB_BUILDING
# define INI_API __declspec(dllexport)
# else
# define INI_API __declspec(dllimport)
# endif
# else
# define INI_API
# endif
#else
# if defined(__GNUC__) && __GNUC__ >= 4
# define INI_API __attribute__ ((visibility ("default")))
# else
# define INI_API
# endif
#endif
#endif
// Read an INI file into easy-to-access name/value pairs. (Note that I've gone
// for simplicity here rather than speed, but it should be pretty decent.)
class INIReader
{
public:
// Construct INIReader and parse given filename. See ini.h for more info
// about the parsing.
INI_API explicit INIReader(const std::string& filename);
// Construct INIReader and parse given buffer. See ini.h for more info
// about the parsing.
INI_API explicit INIReader(const char *buffer, size_t buffer_size);
// Return the result of ini_parse(), i.e., 0 on success, line number of
// first error on parse error, or -1 on file open error.
INI_API int ParseError() const;
// Get a string value from INI file, returning default_value if not found.
INI_API std::string Get(const std::string& section, const std::string& name,
const std::string& default_value) const;
// Get a string value from INI file, returning default_value if not found,
// empty, or contains only whitespace.
INI_API std::string GetString(const std::string& section, const std::string& name,
const std::string& default_value) const;
// Get an integer (long) value from INI file, returning default_value if
// not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
INI_API long GetInteger(const std::string& section, const std::string& name, long default_value) const;
// Get a 64-bit integer (int64_t) value from INI file, returning default_value if
// not found or not a valid integer (decimal "1234", "-1234", or hex "0x4d2").
INI_API int64_t GetInteger64(const std::string& section, const std::string& name, int64_t default_value) const;
// Get an unsigned integer (unsigned long) value from INI file, returning default_value if
// not found or not a valid unsigned integer (decimal "1234", or hex "0x4d2").
INI_API unsigned long GetUnsigned(const std::string& section, const std::string& name, unsigned long default_value) const;
// Get an unsigned 64-bit integer (uint64_t) value from INI file, returning default_value if
// not found or not a valid unsigned integer (decimal "1234", or hex "0x4d2").
INI_API uint64_t GetUnsigned64(const std::string& section, const std::string& name, uint64_t default_value) const;
// Get a real (floating point double) value from INI file, returning
// default_value if not found or not a valid floating point value
// according to strtod().
INI_API double GetReal(const std::string& section, const std::string& name, double default_value) const;
// Get a boolean value from INI file, returning default_value if not found or if
// not a valid true/false value. Valid true values are "true", "yes", "on", "1",
// and valid false values are "false", "no", "off", "0" (not case sensitive).
INI_API bool GetBoolean(const std::string& section, const std::string& name, bool default_value) const;
// Return a newly-allocated vector of all section names, in alphabetical order.
INI_API std::vector<std::string> Sections() const;
// Return a newly-allocated vector of keys in the given section, in alphabetical order.
INI_API std::vector<std::string> Keys(const std::string& section) const;
// Return true if the given section exists (section must contain at least
// one name=value pair).
INI_API bool HasSection(const std::string& section) const;
// Return true if a value exists with the given section and field names.
INI_API bool HasValue(const std::string& section, const std::string& name) const;
protected:
int _error;
std::map<std::string, std::string> _values;
static std::string MakeKey(const std::string& section, const std::string& name);
static int ValueHandler(void* user, const char* section, const char* name,
const char* value);
};
#endif // INIREADER_H
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