options.hpp
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#ifndef OSMIUM_UTIL_OPTIONS_HPP
#define OSMIUM_UTIL_OPTIONS_HPP
/*
This file is part of Osmium (http://osmcode.org/libosmium).
Copyright 2013-2016 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 <initializer_list>
#include <map>
#include <string>
#include <utility>
namespace osmium {
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;
explicit 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(std::string data) {
size_t pos = data.find_first_of('=');
if (pos == std::string::npos) {
m_options[data] = "true";
} else {
std::string value = data.substr(pos+1);
data.erase(pos);
set(data, value);
}
}
std::string get(const std::string& key, const std::string& default_value="") const noexcept {
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 {
std::string value = get(key);
return (value == "true" || value == "yes");
}
bool is_not_false(const std::string& key) const noexcept {
std::string value = get(key);
return !(value == "false" || value == "no");
}
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::util::Options::is_not_false
bool is_not_false(const std::string &key) const noexcept
Definition: options.hpp:145
osmium::util::Options::Options
Options()=default
osmium::util::Options::cbegin
const_iterator cbegin() const noexcept
Definition: options.hpp:188
osmium::util::Options::option_map
std::map< std::string, std::string > option_map
Definition: options.hpp:59
osmium::util::Options::end
iterator end() noexcept
Definition: options.hpp:167
osmium::util::Options::value_type
option_map::value_type value_type
Definition: options.hpp:66
osmium::util::Options::m_options
option_map m_options
Definition: options.hpp:60
osmium::util::Options::Options
Options(const std::initializer_list< value_type > &values)
Definition: options.hpp:79
osmium::util::Options
Definition: options.hpp:57
osmium::util::Options::is_true
bool is_true(const std::string &key) const noexcept
Definition: options.hpp:136
osmium
Namespace for everything in the Osmium library.
Definition: assembler.hpp:59
osmium::util::Options::const_iterator
option_map::const_iterator const_iterator
Definition: options.hpp:65
osmium::util::Options::begin
const_iterator begin() const noexcept
Definition: options.hpp:174
osmium::util::Options::cend
const_iterator cend() const noexcept
Definition: options.hpp:195
osmium::util::Options::end
const_iterator end() const noexcept
Definition: options.hpp:181
osmium::util::Options::size
size_t size() const noexcept
Definition: options.hpp:153
osmium::util::Options::iterator
option_map::iterator iterator
Definition: options.hpp:64
osmium::util::Options::begin
iterator begin() noexcept
Definition: options.hpp:160