127 lines
3.0 KiB
C++
127 lines
3.0 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)
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// Copyright 2009-2016, Jason Turner (jason@emptycrate.com)
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// http://www.chaiscript.com
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#ifndef CHAISCRIPT_DYNAMIC_OBJECT_HPP_
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#define CHAISCRIPT_DYNAMIC_OBJECT_HPP_
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#include <map>
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#include <string>
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#include <utility>
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#include "boxed_value.hpp"
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namespace chaiscript {
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class Type_Conversions;
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namespace dispatch {
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class Proxy_Function_Base;
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} // namespace dispatch
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} // namespace chaiscript
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namespace chaiscript
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{
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namespace dispatch
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{
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struct option_explicit_set : std::runtime_error {
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option_explicit_set(const std::string &t_param_name)
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: std::runtime_error("option explicit set and parameter '" + t_param_name + "' does not exist")
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{
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}
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option_explicit_set(const option_explicit_set &) = default;
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virtual ~option_explicit_set() CHAISCRIPT_NOEXCEPT {}
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};
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class Dynamic_Object
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{
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public:
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Dynamic_Object(std::string t_type_name)
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: m_type_name(std::move(t_type_name)), m_option_explicit(false)
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{
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}
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Dynamic_Object() : m_type_name(""), m_option_explicit(false)
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{
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}
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bool is_explicit() const
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{
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return m_option_explicit;
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}
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void set_explicit(const bool t_explicit)
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{
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m_option_explicit = t_explicit;
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}
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std::string get_type_name() const
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{
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return m_type_name;
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}
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const Boxed_Value &operator[](const std::string &t_attr_name) const
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{
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return get_attr(t_attr_name);
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}
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Boxed_Value &operator[](const std::string &t_attr_name)
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{
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return get_attr(t_attr_name);
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}
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const Boxed_Value &get_attr(const std::string &t_attr_name) const
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{
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auto a = m_attrs.find(t_attr_name);
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if (a != m_attrs.end()) {
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return a->second;
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} else {
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throw std::range_error("Attr not found '" + t_attr_name + "' and cannot be added to const obj");
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}
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}
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Boxed_Value &get_attr(const std::string &t_attr_name)
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{
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return m_attrs[t_attr_name];
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}
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Boxed_Value &method_missing(const std::string &t_method_name)
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{
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if (m_option_explicit && m_attrs.find(t_method_name) == m_attrs.end()) {
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throw option_explicit_set(t_method_name);
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}
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return get_attr(t_method_name);
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}
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const Boxed_Value &method_missing(const std::string &t_method_name) const
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{
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if (m_option_explicit && m_attrs.find(t_method_name) == m_attrs.end()) {
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throw option_explicit_set(t_method_name);
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}
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return get_attr(t_method_name);
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}
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std::map<std::string, Boxed_Value> get_attrs() const
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{
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return m_attrs;
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}
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private:
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std::string m_type_name;
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bool m_option_explicit;
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std::map<std::string, Boxed_Value> m_attrs;
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};
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}
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}
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#endif
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