gnucash/libgnucash/engine/gnc-option.cpp
2023-09-19 16:05:53 -07:00

589 lines
23 KiB
C++

/********************************************************************\
* gnc-option.cpp -- Application options system *
* Copyright (C) 2020 John Ralls <jralls@ceridwen.us> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License as *
* published by the Free Software Foundation; either version 2 of *
* the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License*
* along with this program; if not, contact: *
* *
* Free Software Foundation Voice: +1-617-542-5942 *
* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
* Boston, MA 02110-1301, USA gnu@gnu.org *
* *
\********************************************************************/
#include "gnc-option.hpp"
#include "gnc-option-impl.hpp"
#include "gnc-option-uitype.hpp"
#include "gnc-option-ui.hpp"
#include "gncOwner.h"
#include "kvp-value.hpp"
static const char* log_module{"gnc.engine.gnc-option"};
#include "qoflog.h"
template <typename ValueType,
typename std::enable_if_t<!is_OptionClassifier_v<ValueType>,
int>>
GncOption::GncOption(const char* section, const char* name,
const char* key, const char* doc_string,
ValueType value, GncOptionUIType ui_type) :
m_option{std::make_unique<GncOptionVariant>(
std::in_place_type<GncOptionValue<ValueType>>,
section, name, key, doc_string, value, ui_type)}
{
}
template <typename ValueType> ValueType
GncOption::get_value() const
{
return std::visit(
[](const auto& option)->ValueType {
if constexpr (is_same_decayed_v<decltype(option.get_value()),
ValueType>)
return option.get_value();
if constexpr (is_same_decayed_v<decltype(option),
GncOptionDateValue>)
{
if constexpr (is_same_decayed_v<ValueType,
RelativeDatePeriod>)
return option.get_period();
if constexpr (std::is_same_v<ValueType, time64>)
return option.get_value();
if constexpr (std::is_same_v<ValueType, uint16_t>)
return option.get_period_index();
return ValueType{};
}
if constexpr (is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue>)
{
if constexpr (std::is_same_v<ValueType, uint16_t>)
return option.get_index();
if constexpr (is_same_decayed_v<ValueType,
GncMultichoiceOptionIndexVec>)
return option.get_multiple();
}
return ValueType {};
}, *m_option);
}
template <typename ValueType> ValueType
GncOption::get_default_value() const
{
return std::visit(
[](const auto& option)->ValueType {
if constexpr (is_same_decayed_v<decltype(option.get_value()),
ValueType>)
return option.get_default_value();
if constexpr (is_same_decayed_v<decltype(option),
GncOptionDateValue>)
{
if constexpr (is_same_decayed_v<ValueType,
RelativeDatePeriod>)
return option.get_default_period();
if constexpr (std::is_same_v<ValueType, time64>)
return option.get_value();
if constexpr (std::is_same_v<ValueType, uint16_t>)
return option.get_default_period_index();
return ValueType{};
}
if constexpr
(is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue> &&
is_same_decayed_v<ValueType,
GncMultichoiceOptionIndexVec>)
return option.get_default_multiple();
return ValueType {};
}, *m_option);
}
template <typename ValueType> void
GncOption::set_value(ValueType value)
{
std::visit(
[value](auto& option) {
if constexpr
(is_same_decayed_v<decltype(option.get_value()), ValueType> ||
is_same_decayed_v<decltype(option), GncOptionDateFormat> ||
(is_same_decayed_v<decltype(option),
GncOptionDateValue> &&
(is_same_decayed_v<ValueType, RelativeDatePeriod> ||
std::is_same_v<ValueType, time64> ||
std::is_same_v<ValueType, uint16_t>)))
option.set_value(value);
else if constexpr (is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue>)
{
if constexpr (is_same_decayed_v<ValueType,
GncMultichoiceOptionIndexVec>)
option.set_multiple(value);
else if constexpr
(std::is_same_v<ValueType, uint16_t> ||
is_same_decayed_v<ValueType, std::string> ||
std::is_same_v<std::remove_cv<ValueType>, char*>)
option.set_value(value);
}
else
PWARN("No set_value handler: get_value returns %s, value_type is %s",
typeid(option.get_value()).name(), typeid(value).name());
}, *m_option);
}
template <typename ValueType> void
GncOption::set_default_value(ValueType value)
{
std::visit(
[value](auto& option) {
if constexpr
(is_same_decayed_v<decltype(option.get_value()), ValueType>||
is_same_decayed_v<decltype(option), GncOptionDateFormat> ||
(is_same_decayed_v<decltype(option), GncOptionDateValue> &&
(is_same_decayed_v<ValueType, RelativeDatePeriod> ||
std::is_same_v<ValueType, time64> ||
std::is_same_v<ValueType, uint16_t>)))
option.set_default_value(value);
if constexpr (is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue>)
{
if constexpr (is_same_decayed_v<ValueType,
GncMultichoiceOptionIndexVec>)
option.set_default_multiple(value);
else if constexpr
(std::is_same_v<ValueType, uint16_t> ||
is_same_decayed_v<ValueType, std::string> ||
std::is_same_v<std::remove_cv<ValueType>, char*>)
option.set_default_value(value);
}
}, *m_option);
}
void
GncOption::reset_default_value()
{
std::visit([](auto& option) { option.reset_default_value(); }, *m_option);
}
template <typename ValueType> void
GncOption::get_limits(ValueType& max, ValueType& min, ValueType& step) const noexcept
{
std::visit([&max, &min, &step](const auto& option) {
if constexpr
(is_same_decayed_v<decltype(option),
GncOptionRangeValue<ValueType>>)
option.get_limits(max, min, step);
}, *m_option);
}
const std::string&
GncOption::get_section() const
{
return std::visit([](const auto& option)->const std::string& {
return option.m_section;
}, *m_option);
}
const std::string&
GncOption::get_name() const
{
return std::visit([](const auto& option)->const std::string& {
return option.m_name;
}, *m_option);
}
const std::string&
GncOption::get_key() const
{
return std::visit([](const auto& option)->const std::string& {
return option.m_sort_tag;
}, *m_option);
}
const std::string&
GncOption::get_docstring() const
{
return std::visit([](const auto& option)->const std::string& {
return option.m_doc_string;
}, *m_option);
}
void
GncOption::set_ui_item(GncOptionUIItemPtr&& ui_item)
{
auto opt_ui_type = std::visit([](const auto& option)->GncOptionUIType {
return option.get_ui_type();
}, *m_option);
//ui_item may be nullptr to free the old m_ui_item.
if (ui_item && ui_item->get_ui_type() != opt_ui_type)
{
PERR("Setting option %s:%s UI element failed, mismatched UI types.",
get_section().c_str(), get_name().c_str());
return;
}
m_ui_item = std::move(ui_item);
}
void
GncOption::set_ui_item_selectable(bool selectable) const noexcept
{
if (m_ui_item)
m_ui_item->set_selectable(selectable);
}
const GncOptionUIType
GncOption::get_ui_type() const
{
return std::visit([](const auto& option)->GncOptionUIType {
return option.get_ui_type();
}, *m_option);
}
GncOptionUIItem* const
GncOption::get_ui_item() const
{
return m_ui_item.get();
}
void
GncOption::set_ui_item_from_option()
{
if (!m_ui_item)
return;
m_ui_item->set_ui_item_from_option(*this);
}
void
GncOption::set_option_from_ui_item()
{
if (!m_ui_item)
return;
m_ui_item->set_option_from_ui_item(*this);
}
void
GncOption::make_internal()
{
if (m_ui_item)
{
PERR("Option %s:%s has a UI Element, can't be INTERNAL.",
get_section().c_str(), get_name().c_str());
return;
}
std::visit([](auto& option) {
option.make_internal();
}, *m_option);
}
bool
GncOption::is_internal()
{
return std::visit([](auto& option)->bool {
return option.is_internal();
}, *m_option);
}
void
GncOption::mark_saved() noexcept
{
std::visit([](auto& option)->void {
option.mark_saved();
}, *m_option);
}
bool
GncOption::is_dirty() const noexcept
{
return std::visit([](const auto& option)->bool {
return option.is_dirty();
}, *m_option);
}
bool
GncOption::is_changed() const noexcept
{
return std::visit([](const auto& option)->bool {
return option.is_changed();
}, *m_option);
}
bool
GncOption::is_multiselect() const noexcept
{
return std::visit(
[](const auto& option)->bool {
if constexpr (is_same_decayed_v<decltype(option),
GncOptionAccountListValue>)
return option.is_multiselect();
else
return false;
}, *m_option);
}
template<typename ValueType> bool
GncOption::validate(ValueType value) const
{
return std::visit(
[value] (const auto& option) -> bool {
if constexpr ((is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue> &&
is_same_decayed_v<ValueType, std::string>) ||
(is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue> &&
is_same_decayed_v<ValueType,
GncMultichoiceOptionIndexVec>) ||
(is_same_decayed_v<decltype(option),
GncOptionCommodityValue> &&
is_same_decayed_v<ValueType, gnc_commodity*>))
return option.validate(value);
else
return false;
}, *m_option);
}
std::uint16_t
GncOption::num_permissible_values() const
{
return std::visit(
[] (const auto& option) -> uint16_t {
if constexpr (is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue> ||
is_same_decayed_v<decltype(option),
GncOptionDateValue>)
return option.num_permissible_values();
else
return uint16_t_max;
}, *m_option);
}
std::uint16_t
GncOption::permissible_value_index(const char* value) const
{
return std::visit(
[&value] (const auto& option) -> uint16_t {
if constexpr (is_same_decayed_v<decltype(option),
GncOptionMultichoiceValue> ||
is_same_decayed_v<decltype(option),
GncOptionDateValue>)
return option.permissible_value_index(value);
else
return uint16_t_max;
}, *m_option);
}
const char*
GncOption::permissible_value(std::uint16_t index) const
{
return std::visit([index] (const auto& option) -> const char* {
if constexpr (std::is_same_v<std::decay_t<decltype(option)>,
GncOptionMultichoiceValue> ||
std::is_same_v<std::decay_t<decltype(option)>,
GncOptionDateValue>)
return option.permissible_value(index);
else
return "";
}, *m_option);
}
const char*
GncOption::permissible_value_name(std::uint16_t index) const
{
return std::visit([index] (const auto& option) -> const char* {
if constexpr (std::is_same_v<std::decay_t<decltype(option)>,
GncOptionMultichoiceValue> ||
std::is_same_v<std::decay_t<decltype(option)>,
GncOptionDateValue>)
return option.permissible_value_name(index);
else
return "";
}, *m_option);
}
GList*
GncOption::account_type_list() const noexcept
{
return std::visit([] (const auto& option) -> GList* {
if constexpr (std::is_same_v<std::decay_t<decltype(option)>,
GncOptionAccountListValue>)
return option.account_type_list();
else
return nullptr;
}, *m_option);
}
bool
GncOption::is_alternate() const noexcept
{
return std::visit([](auto& option) -> bool {
if constexpr(is_RangeValue_v<decltype(option)>)
return option.is_alternate();
return false;
}, *m_option);
}
void
GncOption::set_alternate(bool alt) noexcept
{
std::visit([alt](auto& option) {
if constexpr(is_RangeValue_v<decltype(option)>)
option.set_alternate(alt);
}, *m_option);
}
std::string
GncOption::serialize() const
{
if (m_option->valueless_by_exception())
return "Valueless Option";
return std::visit([&](auto& option) -> std::string {
return option.serialize();
}, *m_option);
}
bool
GncOption::deserialize(const std::string& str)
{
return std::visit([&str](auto& option) -> bool {
return option.deserialize(str);
}, *m_option);
}
std::istream&
GncOption::in_stream(std::istream& iss)
{
return std::visit([&iss](auto& option) -> std::istream& {
iss >> option;
return iss;
}, *m_option);
}
/* We must instantiate all of the templates we need here because we don't expose
* the template implementation in the public header.
*/
template GncOption::GncOption(const char*, const char*, const char*,
const char*, bool, GncOptionUIType);
//template GncOption::GncOption(const char*, const char*, const char*,
// const char*, int, GncOptionUIType);
template GncOption::GncOption(const char*, const char*, const char*,
const char*, int64_t, GncOptionUIType);
//template GncOption::GncOption(const char*, const char*, const char*,
// const char*, const char*, GncOptionUIType);
//template GncOption::GncOption(const char*, const char*, const char*,
// const char*, double, GncOptionUIType);
template GncOption::GncOption(const char*, const char*, const char*,
const char*, std::string, GncOptionUIType);
template GncOption::GncOption(const char*, const char*, const char*,
const char*, const QofQuery*, GncOptionUIType);
template GncOption::GncOption(const char *, const char*, const char*,
const char *, GncOptionDateFormat,
GncOptionUIType);
template bool GncOption::get_value<bool>() const;
template int GncOption::get_value<int>() const;
template int64_t GncOption::get_value<int64_t>() const;
template double GncOption::get_value<double>() const;
template uint16_t GncOption::get_value<uint16_t>() const;
template const char* GncOption::get_value<const char*>() const;
template std::string GncOption::get_value<std::string>() const;
template const QofInstance* GncOption::get_value<const QofInstance*>() const;
template const GncOwner* GncOption::get_value<const GncOwner*>() const;
template gnc_commodity* GncOption::get_value<gnc_commodity*>() const;
template const Account* GncOption::get_value<const Account*>() const;
template RelativeDatePeriod GncOption::get_value<RelativeDatePeriod>() const;
template GncOptionAccountList GncOption::get_value<GncOptionAccountList>() const;
template GncMultichoiceOptionIndexVec GncOption::get_value<GncMultichoiceOptionIndexVec>() const;
template GncOptionReportPlacementVec GncOption::get_value<GncOptionReportPlacementVec>() const;
template GncOptionDateFormat GncOption::get_value<GncOptionDateFormat>() const;
template bool GncOption::get_default_value<bool>() const;
template int GncOption::get_default_value<int>() const;
template int64_t GncOption::get_default_value<int64_t>() const;
template double GncOption::get_default_value<double>() const;
template const char* GncOption::get_default_value<const char*>() const;
template std::string GncOption::get_default_value<std::string>() const;
template const QofInstance* GncOption::get_default_value<const QofInstance*>() const;
template gnc_commodity* GncOption::get_default_value<gnc_commodity*>() const;
template const Account* GncOption::get_default_value<const Account*>() const;
template RelativeDatePeriod GncOption::get_default_value<RelativeDatePeriod>() const;
template GncOptionAccountList GncOption::get_default_value<GncOptionAccountList>() const;
template GncMultichoiceOptionIndexVec GncOption::get_default_value<GncMultichoiceOptionIndexVec>() const;
template GncOptionReportPlacementVec GncOption::get_default_value<GncOptionReportPlacementVec>() const;
template GncOptionDateFormat GncOption::get_default_value<GncOptionDateFormat>() const;
template void GncOption::set_value(bool);
template void GncOption::set_value(int);
template void GncOption::set_value(int64_t);
template void GncOption::set_value(double);
template void GncOption::set_value(char*);
template void GncOption::set_value(const char*);
template void GncOption::set_value(std::string);
template void GncOption::set_value(const QofInstance*);
template void GncOption::set_value(const GncOwner*);
template void GncOption::set_value(gnc_commodity*);
template void GncOption::set_value(const Account*);
template void GncOption::set_value(RelativeDatePeriod);
template void GncOption::set_value(uint16_t);
template void GncOption::set_value(GncOptionAccountList);
template void GncOption::set_value(GncMultichoiceOptionIndexVec);
template void GncOption::set_value(GncOptionReportPlacementVec);
template void GncOption::set_value(GncOptionDateFormat);
template void GncOption::set_default_value(bool);
template void GncOption::set_default_value(int);
template void GncOption::set_default_value(int64_t);
template void GncOption::set_default_value(double);
template void GncOption::set_default_value(char*);
template void GncOption::set_default_value(const char*);
template void GncOption::set_default_value(std::string);
template void GncOption::set_default_value(const QofInstance*);
template void GncOption::set_default_value(const Account*);
template void GncOption::set_default_value(RelativeDatePeriod);
template void GncOption::set_default_value(uint16_t);
template void GncOption::set_default_value(GncOptionAccountList);
template void GncOption::set_default_value(GncMultichoiceOptionIndexVec);
template void GncOption::set_default_value(GncOptionReportPlacementVec);
template void GncOption::set_default_value(GncOptionDateFormat);
template void GncOption::get_limits(double&, double&, double&) const noexcept;
template void GncOption::get_limits(int&, int&, int&) const noexcept;
template bool GncOption::validate(bool) const;
template bool GncOption::validate(int) const;
template bool GncOption::validate(int64_t) const;
template bool GncOption::validate(double) const;
template bool GncOption::validate(const char*) const;
template bool GncOption::validate(std::string) const;
template bool GncOption::validate(const QofInstance*) const;
template bool GncOption::validate(gnc_commodity*) const;
template bool GncOption::validate(const Account*) const;
template bool GncOption::validate(const QofQuery*) const;
template bool GncOption::validate(RelativeDatePeriod) const;
template bool GncOption::validate(GncMultichoiceOptionIndexVec) const;
template bool GncOption::validate(GncOptionReportPlacementVec) const;
template bool GncOption::validate(GncOptionDateFormat) const;
template GncOption* gnc_make_option<const std::string&>(const char*,
const char*,
const char*,
const char*,
const std::string&,
GncOptionUIType);
template GncOption* gnc_make_option<bool>(const char*, const char*, const char*,
const char*, bool, GncOptionUIType);
template GncOption* gnc_make_option<int64_t>(const char*, const char*,
const char*, const char*, int64_t,
GncOptionUIType);