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128 lines
5.7 KiB
128 lines
5.7 KiB
/********************************************************************\
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* gnc-optiondb.hpp -- Collection of GncOption objects *
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* Copyright (C) 2019 John Ralls <jralls@ceridwen.us> *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as *
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* published by the Free Software Foundation; either version 2 of *
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* the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License*
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* along with this program; if not, contact: *
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* *
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* Free Software Foundation Voice: +1-617-542-5942 *
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* 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652 *
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* Boston, MA 02110-1301, USA gnu@gnu.org *
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* *
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\********************************************************************/
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#ifndef GNC_OPTIONDB_P_HPP_
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#define GNC_OPTIONDB_P_HPP_
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#include "gnc-option.hpp"
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#include "gnc-option-impl.hpp"
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#include <functional>
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#include <exception>
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#include <optional>
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#include <iostream>
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extern "C"
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{
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#include <config.h>
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#include <qof.h>
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#include <gncInvoice.h>
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#include <gncOwner.h>
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#include <gncTaxTable.h>
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}
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using GncOptionVec = std::vector<GncOption>;
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using GncOptionSection = std::pair<std::string, GncOptionVec>;
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class GncOptionDB
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{
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public:
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GncOptionDB();
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GncOptionDB(QofBook* book);
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~GncOptionDB() = default;
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void save_to_book(QofBook* book, bool do_clear) const;
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int num_sections() const noexcept { return m_sections.size(); }
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bool get_changed() const noexcept { return m_dirty; }
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void register_option(const char* section, GncOption&& option);
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void unregister_option(const char* section, const char* name);
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void set_default_section(const char* section);
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const GncOptionSection* const get_default_section() const noexcept;
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void set_ui_item(const char* section, const char* name, GncOptionUIItem* ui_item);
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GncOptionUIItem* const get_ui_item(const char* section, const char* name);
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GncOptionUIType get_ui_type(const char* section, const char* name);
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void set_ui_from_option(const char* section, const char* name,
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std::function<void(GncOption&)> func);
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void set_option_from_ui(const char* section, const char* name,
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std::function<void(GncOption&)> func);
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std::string lookup_string_option(const char* section,
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const char* name);
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template <typename ValueType>
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bool set_option(const char* section, const char* name, ValueType value)
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{
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try
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{
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auto option{find_option(section, name)};
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if (!option)
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return false;
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option->get().set_value(value);
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return true;
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}
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catch(const std::invalid_argument& err)
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{
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printf("Set Failed: %s\n", err.what());
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return false;
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}
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}
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// void set_selectable(const char* section, const char* name);
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void make_internal(const char* section, const char* name);
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void commit() {};
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std::optional<std::reference_wrapper<GncOptionSection>> find_section(const std::string& section);
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std::optional<std::reference_wrapper<GncOption>> find_option(const std::string& section, const std::string& name) {
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return static_cast<const GncOptionDB&>(*this).find_option(section, name);
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}
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std::optional<std::reference_wrapper<GncOption>> find_option(const std::string& section, const std::string& name) const;
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std::ostream& save_to_scheme(std::ostream& oss,
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const char* options_prolog) const noexcept;
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std::istream& load_from_scheme(std::istream& iss) noexcept;
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std::ostream& save_to_key_value(std::ostream& oss) const noexcept;
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std::istream& load_from_key_value(std::istream& iss);
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void save_to_kvp(QofBook* book, bool clear_book) const noexcept;
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void load_from_kvp(QofBook* book) noexcept;
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std::ostream& save_option_scheme(std::ostream& oss,
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const char* option_prolog,
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const std::string& section,
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const std::string& name) const noexcept;
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std::istream& load_option_scheme(std::istream& iss);
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std::ostream& save_option_key_value(std::ostream& oss,
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const std::string& section,
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const std::string& name) const noexcept;
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std::istream& load_option_key_value(std::istream& iss);
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private:
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std::optional<std::reference_wrapper<GncOptionSection>> m_default_section;
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std::vector<GncOptionSection> m_sections;
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bool m_dirty = false;
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std::function<GncOptionUIItem*()> m_get_ui_value;
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std::function<void(GncOptionUIItem*)> m_set_ui_value;
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static constexpr char const* const scheme_tags[]
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{
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"(let ((option (gnc:lookup-option ",
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" ",
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")))",
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" ((lambda (o) (if o (gnc:option-set-value o ",
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"))) option))"
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};
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};
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#endif // GNC_OPTIONDB_P_HPP_
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