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C++

// This Source Code Form is subject to the terms of the Mozilla Public
// License, version 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#pragma once
#include <memory>
#include <stdexcept>
#include <string>
#include <functional>
#include <unordered_map>
#include <optional>
#include <weechat/weechat-plugin.h>
#include "fmt/core.h"
#include "../plugin.hh"
#include "breadcrumb.hh"
using namespace std::placeholders;
namespace weechat
{
struct config_file;
struct config_section;
struct config_option_free { void operator() (struct t_config_option *ptr) { /* weechat_config_option_free(ptr); */ } };
struct config_option : public std::unique_ptr<struct t_config_option, config_option_free>, public config_breadcrumb {
config_option(struct t_config_option *ptr, config_section& section, std::string name)
: std::unique_ptr<struct t_config_option, config_option_free>(ptr)
, config_breadcrumb(name, section)
, section(section) {
if (ptr == nullptr) throw std::runtime_error("weechat_config_new_option");
}
config_option(config_file& config_file, config_section& section,
std::string name, const char *type, const char *description, const char *string_values,
int min, int max, const char *default_value, const char *value, bool null_value_allowed,
std::function<bool(config_option&, const char *)> cb_check_value,
std::function<void(config_option&)> cb_change,
std::function<void(config_option&)> cb_delete)
: config_option(weechat_config_new_option(
config_file, section,
name.data(), type, description, string_values,
min, max, default_value, value, null_value_allowed,
[](const void *, void *data, struct t_config_option *opt, const char *value) {
auto& option = *reinterpret_cast<config_option*>(data);
if (option != opt) throw std::invalid_argument("option != opt");
if (!option.check_value) return 1;
return option.check_value(value) ? 1 : 0;
}, nullptr, this,
[](const void *, void *data, struct t_config_option *opt) {
auto& option = *reinterpret_cast<config_option*>(data);
if (option != opt) throw std::invalid_argument("option != opt");
if (option.on_changed) option.on_changed();
}, nullptr, this,
[](const void *, void *data, struct t_config_option *opt) {
auto& option = *reinterpret_cast<config_option*>(data);
if (option != opt) throw std::invalid_argument("option != opt");
if (option.on_deleted) option.on_deleted();
}, nullptr, this), section, name) {
if (cb_check_value)
this->check_value = std::bind(cb_check_value, std::ref(*this), _1);
if (cb_change)
this->on_changed = std::bind(cb_change, std::ref(*this));
if (cb_delete)
this->on_deleted = std::bind(cb_delete, std::ref(*this));
}
operator struct t_config_option *() { return get(); }
std::function<bool(const char *)> check_value;
std::function<void()> on_changed;
std::function<void()> on_deleted;
config_section& section;
int operator =(std::string value) { return weechat_config_option_set(*this, value.data(), 1); }
int clear() { return weechat_config_option_set(*this, nullptr, 1); }
std::string_view string() { return weechat_config_string(*this); }
int integer() { return weechat_config_integer(*this); }
bool boolean() { return weechat_config_boolean(*this); }
bool write() { return weechat_config_write_option(section.file, *this); }
};
}