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options.hpp
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#ifndef OSMIUM_UTIL_OPTIONS_HPP
#define OSMIUM_UTIL_OPTIONS_HPP
/*
This file is part of Osmium (https://osmcode.org/libosmium).
Copyright 2013-2025 Jochen Topf <jochen@topf.org> and others (see README).
Boost Software License - Version 1.0 - August 17th, 2003
Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:
The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
*/
#include <cstddef>
#include <initializer_list>
#include <map>
#include <string>
#include <utility>
namespace osmium {
inline namespace util {
class Options {
using option_map = std::map<std::string, std::string>;
option_map m_options;
public:
using iterator = option_map::iterator;
using const_iterator = option_map::const_iterator;
using value_type = option_map::value_type;
Options() = default;
Options(const std::initializer_list<value_type>& values) :
m_options(values) {
}
void set(const std::string& key, const std::string& value) {
m_options[key] = value;
}
void set(const std::string& key, const char* value) {
m_options[key] = value;
}
void set(const std::string& key, bool value) {
m_options[key] = value ? "true" : "false";
}
void set(const std::string& data) {
const std::size_t pos = data.find_first_of('=');
if (pos == std::string::npos) {
m_options[data] = "true";
} else {
const std::string value{data.substr(pos + 1)};
set(data.substr(0, pos), value);
}
}
std::string get(const std::string& key, const std::string& default_value = "") const noexcept {
const auto it = m_options.find(key);
if (it == m_options.end()) {
return default_value;
}
return it->second;
}
bool is_true(const std::string& key) const noexcept {
const std::string value{get(key)};
return (value == "true" || value == "yes");
}
bool is_false(const std::string& key) const noexcept {
const std::string value{get(key)};
return (value == "false" || value == "no");
}
bool is_not_false(const std::string& key) const noexcept {
const std::string value{get(key)};
return !(value == "false" || value == "no");
}
bool empty() const noexcept {
return m_options.empty();
}
std::size_t size() const noexcept {
return m_options.size();
}
iterator begin() noexcept {
return m_options.begin();
}
iterator end() noexcept {
return m_options.end();
}
const_iterator begin() const noexcept {
return m_options.cbegin();
}
const_iterator end() const noexcept {
return m_options.cend();
}
const_iterator cbegin() const noexcept {
return m_options.cbegin();
}
const_iterator cend() const noexcept {
return m_options.cend();
}
}; // class Options
} // namespace util
} // namespace osmium
#endif // OSMIUM_UTIL_OPTIONS_HPP
osmium::Options
Definition options.hpp:58
osmium::util::Options::cend
const_iterator cend() const noexcept
Definition options.hpp:211
osmium::util::Options::set
void set(const std::string &data)
Definition options.hpp:110
osmium::util::Options::end
iterator end() noexcept
Definition options.hpp:183
osmium::util::Options::set
void set(const std::string &key, bool value)
Definition options.hpp:101
osmium::util::Options::m_options
option_map m_options
Definition options.hpp:61
osmium::util::Options::Options
Options()=default
osmium::util::Options::empty
bool empty() const noexcept
Definition options.hpp:162
osmium::util::Options::begin
const_iterator begin() const noexcept
Definition options.hpp:190
osmium::util::Options::iterator
option_map::iterator iterator
Definition options.hpp:65
osmium::util::Options::const_iterator
option_map::const_iterator const_iterator
Definition options.hpp:66
osmium::util::Options::cbegin
const_iterator cbegin() const noexcept
Definition options.hpp:204
osmium::util::Options::is_true
bool is_true(const std::string &key) const noexcept
Definition options.hpp:136
osmium::util::Options::set
void set(const std::string &key, const char *value)
Definition options.hpp:94
osmium::util::Options::size
std::size_t size() const noexcept
Definition options.hpp:169
osmium::util::Options::end
const_iterator end() const noexcept
Definition options.hpp:197
osmium::util::Options::is_false
bool is_false(const std::string &key) const noexcept
Definition options.hpp:145
osmium::util::Options::value_type
option_map::value_type value_type
Definition options.hpp:67
osmium::util::Options::get
std::string get(const std::string &key, const std::string &default_value="") const noexcept
Definition options.hpp:124
osmium::util::Options::set
void set(const std::string &key, const std::string &value)
Definition options.hpp:87
osmium::util::Options::is_not_false
bool is_not_false(const std::string &key) const noexcept
Definition options.hpp:154
osmium::util::Options::option_map
std::map< std::string, std::string > option_map
Definition options.hpp:60
osmium::util::Options::Options
Options(const std::initializer_list< value_type > &values)
Definition options.hpp:80
osmium::util::Options::begin
iterator begin() noexcept
Definition options.hpp:176
osmium
Namespace for everything in the Osmium library.
Definition assembler.hpp:53