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weechat-xmpp
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weechat-xmpp/config.hh

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// 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 <tl/optional.hpp>
#include <weechat/weechat-plugin.h>
#include "fmt/core.h"
#include "plugin.hh"
using namespace std::placeholders;
namespace weechat
{
enum class tls_policy
{
disable = 0,
normal,
trust,
};
class config;
struct config_file;
struct config_section;
struct config_option;
struct config_breadcrumb {
config_breadcrumb(std::string name)
: name(name), parent(tl::nullopt) {}
config_breadcrumb(std::string name, config_breadcrumb& parent)
: name(name), parent(parent) {}
std::string name;
tl::optional<config_breadcrumb&> parent;
};
struct config_free { void operator() (struct t_config_file *ptr) { weechat_config_free(ptr); } };
struct config_file : public std::unique_ptr<struct t_config_file, config_free>, public config_breadcrumb {
config_file(struct t_config_file *ptr, config& config, std::string name)
: std::unique_ptr<struct t_config_file, config_free>(ptr)
, config_breadcrumb(name)
, configuration(config) {
if (ptr == nullptr) throw std::runtime_error("weechat_config_new");
}
config_file(config& config, std::string name, std::function<int(config_file&)> cb_reload)
: config_file(weechat_config_new(
name.data(),
[](const void *, void *data, struct t_config_file *config_file) {
auto& file = *reinterpret_cast<struct config_file*>(data);
if (file != config_file) throw std::invalid_argument("file != config_file");
if (!file.reload) return 1;
return file.reload() ? 1 : 0;
}, nullptr, this), config, name) {
this->reload = std::bind(cb_reload, std::ref(*this));
}
operator struct t_config_file *() { return get(); }
std::function<int()> reload;
config& configuration;
std::unordered_map<struct t_config_section *, config_section&> sections;
bool read() { return weechat_config_read(*this); }
bool write() { return weechat_config_write(*this); }
};
struct config_section_free { void operator() (struct t_config_section *ptr) { weechat_config_section_free(ptr); } };
struct config_section : public std::unique_ptr<struct t_config_section, config_section_free>, public config_breadcrumb {
config_section(struct t_config_section *ptr, config_file& file, std::string name)
: std::unique_ptr<struct t_config_section, config_section_free>(ptr)
, config_breadcrumb(name)
, file(file) {
if (ptr == nullptr) throw std::runtime_error("weechat_config_new_section");
}
config_section(config_file& config_file, std::string name,
bool user_can_add_options, bool user_can_delete_options,
std::function<bool(config_section&, const char *, const char *)> cb_read,
std::function<bool(config_section&, const char *)> cb_write,
std::function<bool(config_section&, const char *)> cb_write_default,
std::function<bool(config_section&, const char *, const char *)> cb_create_option,
std::function<bool(config_section&, config_option &)> cb_delete_option)
: config_section(weechat_config_new_section(
config_file, name.data(), user_can_add_options, user_can_delete_options,
[](const void *, void *data, struct t_config_file *config_file,
struct t_config_section *sect, const char *option_name, const char *value) {
auto& section = *reinterpret_cast<config_section*>(data);
if (section != sect) throw std::invalid_argument("section != sect");
if (section.file != config_file) throw std::invalid_argument("section.file != config_file");
if (!section.read) return 0;
return section.read(option_name, value) ? 0 : -1;
}, nullptr, this,
[](const void *, void *data, struct t_config_file *config_file,
const char *section_name) {
auto& section = *reinterpret_cast<config_section*>(data);
if (section.file != config_file) throw std::invalid_argument("section.file != config_file");
if (!section.write) return 0;
return section.write(section_name) ? 0 : -1;
}, nullptr, this,
[](const void *, void *data, struct t_config_file *config_file,
const char *section_name) {
auto& section = *reinterpret_cast<config_section*>(data);
if (section.file != config_file) throw std::invalid_argument("section.file != config_file");
if (!section.write_default) return 0;
return section.write_default(section_name) ? 0 : -1;
}, nullptr, this,
[](const void *, void *data, struct t_config_file *config_file,
struct t_config_section *sect, const char *option_name, const char *value) {
auto& section = *reinterpret_cast<config_section*>(data);
if (section != sect) throw std::invalid_argument("section != sect");
if (section.file != config_file) throw std::invalid_argument("section.file != config_file");
if (!section.create_option) return 0;
return section.create_option(option_name, value) ? 0 : -1;
}, nullptr, this,
[](const void *, void *data, struct t_config_file *config_file,
struct t_config_section *sect, struct t_config_option *opt) {
auto& section = *reinterpret_cast<config_section*>(data);
if (section != sect) throw std::invalid_argument("section != sect");
if (section.file != config_file) throw std::invalid_argument("section.file != config_file");
if (!section.delete_option) return 0;
auto option = section.options.find(opt);
if (option == section.options.end()) throw std::invalid_argument("unknown option");
return section.delete_option(option->second) ? 0 : -1;
}, nullptr, this), config_file, name) {
if (cb_read)
this->read = std::bind(cb_read, std::ref(*this), _1, _2);
if (cb_write)
this->write = std::bind(cb_write, std::ref(*this), _1);
if (cb_write_default)
this->write_default = std::bind(cb_write_default, std::ref(*this), _1);
if (cb_create_option)
this->create_option = std::bind(cb_create_option, std::ref(*this), _1, _2);
if (cb_delete_option)
this->delete_option = std::bind(cb_delete_option, std::ref(*this), _1);
}
operator struct t_config_section *() { return get(); }
std::function<bool(const char *, const char *)> read;
std::function<bool(const char *)> write;
std::function<bool(const char *)> write_default;
std::function<bool(const char *, const char *)> create_option;
std::function<bool(config_option&)> delete_option;
config_file& file;
std::unordered_map<struct t_config_option *, config_option&> options;
};
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); }
};
class config_account {
public:
config_account(config_file& config_file, config_section& section_account, const char *name)
: section(section_account)
, option_jid(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "jid"),
"string", "XMPP Account JID", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_password(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "password"),
"string", "XMPP Account Password", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_tls(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "tls"),
"integer", "XMPP Server TLS Policy", "disable|normal|trust", 0, 0,
"normal", "normal", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_nickname(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "nickname"),
"string", "XMPP Account Nickname", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_autoconnect(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "autoconnect"),
"boolean", "Autoconnect XMPP Account", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_resource(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "resource"),
"string", "XMPP Account Resource", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_status(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "status"),
"string", "XMPP Account Login Status", nullptr, 0, 0,
"probably about to segfault", "probably about to segfault", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_pgp_path(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "pgp_path"),
"string", "XMPP Account PGP Keyring Dir", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_pgp_keyid(config_file, section_account,
fmt::format("{0}.{1} << xmpp.account_default.{1}", name, "pgp_keyid"),
"string", "XMPP Account PGP Key ID", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
{
}
config_account(config_file& config_file, config_section& section_account_default)
: section(section_account_default)
, option_jid(config_file, section_account_default,
"jid", "string", "XMPP Account JID", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_password(config_file, section_account_default,
"password", "string", "XMPP Account Password", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_tls(config_file, section_account_default,
"tls", "integer", "XMPP Server TLS Policy", "disable|normal|trust", 0, 0,
"normal", "normal", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_nickname(config_file, section_account_default,
"nickname", "string", "XMPP Account Nickname", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_autoconnect(config_file, section_account_default,
"autoconnect", "boolean", "Autoconnect XMPP Account", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_resource(config_file, section_account_default,
"resource", "string", "XMPP Account Resource", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_status(config_file, section_account_default,
"status", "string", "XMPP Account Login Status", nullptr, 0, 0,
"probably about to segfault", "probably about to segfault", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_pgp_path(config_file, section_account_default,
"pgp_path", "string", "XMPP Account PGP Keyring Dir", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
, option_pgp_keyid(config_file, section_account_default,
"pgp_keyid", "string", "XMPP Account PGP Key ID", nullptr, 0, 0, "", "", false,
[&](config_option&, const char *) { return true; },
[&](config_option&) {},
[&](config_option&) {})
{
}
config_section& section;
config_option option_jid;
config_option option_password;
config_option option_tls;
config_option option_nickname;
config_option option_autoconnect;
config_option option_resource;
config_option option_status;
config_option option_pgp_path;
config_option option_pgp_keyid;
bool read(const char *, const char *);
bool write();
};
class config {
public:
enum class nick_completion
{
SMART_OFF = 0,
SMART_SPEAKERS,
SMART_SPEAKERS_HIGHLIGHTS,
};
config_file file;
config_section section_account_default;
config_section section_account;
config_section section_look;
config_account account_default;
struct {
config_option nick_completion_smart;
} look;
public:
config();
~config();
static tl::optional<config> instance;
public:
static bool init();
static bool read();
static bool write();
};
}
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