2012-04-03 15:39:20 +02:00
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#include "option_manager.hh"
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2012-06-14 15:16:44 +02:00
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#include "assert.hh"
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2012-04-03 15:39:20 +02:00
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#include <sstream>
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namespace Kakoune
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{
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2013-03-05 19:15:38 +01:00
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namespace
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{
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String option_to_string(const String& opt) { return opt; }
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void option_from_string(const String& str, String& opt) { opt = str; }
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String option_to_string(int opt) { return int_to_str(opt); }
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void option_from_string(const String& str, int& opt) { opt = str_to_int(str); }
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String option_to_string(bool opt) { return opt ? "true" : "false"; }
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void option_from_string(const String& str, bool& opt)
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{
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if (str == "true" or str == "yes")
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opt = true;
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else if (str == "false" or str == "no")
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opt = false;
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else
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throw runtime_error("boolean values are either true, yes, false or no");
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}
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2013-03-06 14:12:56 +01:00
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template<typename T>
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String option_to_string(const std::vector<T>& opt)
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{
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String res;
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for (size_t i = 0; i < opt.size(); ++i)
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{
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res += option_to_string(opt[i]);
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if (i != opt.size() - 1)
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res += ",";
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}
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return res;
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}
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template<typename T>
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void option_from_string(const String& str, std::vector<T>& opt)
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{
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opt.clear();
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std::vector<String> elems = split(str, ',');
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for (auto& elem: elems)
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{
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T opt_elem;
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option_from_string(elem, opt_elem);
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opt.push_back(opt_elem);
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}
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}
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2013-03-14 13:42:07 +01:00
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String option_to_string(const Regex& re)
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{
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return String{re.str()};
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}
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void option_from_string(const String& str, Regex& re)
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{
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try
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{
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re = Regex{str.begin(), str.end()};
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}
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catch (boost::regex_error& err)
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{
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throw runtime_error("unable to create regex: "_str + err.what());
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}
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}
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2013-03-05 19:15:38 +01:00
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}
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2013-03-03 17:25:40 +01:00
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template<typename T>
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class TypedOption : public Option
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{
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public:
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TypedOption(OptionManager& manager, String name, const T& value)
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: Option(manager, std::move(name)), m_value(value) {}
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void set(const T& value)
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{
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if (m_value != value)
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{
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m_value = value;
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m_manager.on_option_changed(*this);
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}
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}
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const T& get() const { return m_value; }
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2013-03-05 19:15:38 +01:00
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String get_as_string() const override
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{
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return option_to_string(m_value);
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}
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void set_from_string(const String& str) override
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{
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T val;
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option_from_string(str, val);
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set(val);
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}
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2013-03-03 17:25:40 +01:00
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Option* clone(OptionManager& manager) const override
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{
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return new TypedOption{manager, name(), m_value};
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}
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private:
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T m_value;
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};
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Option::Option(OptionManager& manager, String name)
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: m_manager(manager), m_name(std::move(name)) {}
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2013-03-06 14:13:21 +01:00
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template<typename T> const T& Option::get() const
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{
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auto* typed_opt = dynamic_cast<const TypedOption<T>*>(this);
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if (not typed_opt)
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throw runtime_error("option " + name() + " is not of type " + typeid(T).name());
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return typed_opt->get();
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}
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template<typename T> void Option::set(const T& val)
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{
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auto* typed_opt = dynamic_cast<TypedOption<T>*>(this);
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if (not typed_opt)
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throw runtime_error("option " + name() + " is not of type " + typeid(T).name());
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return typed_opt->set(val);
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}
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2013-03-03 17:25:40 +01:00
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template const String& Option::get<String>() const;
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template void Option::set<String>(const String&);
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template const int& Option::get<int>() const;
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template void Option::set<int>(const int&);
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2013-03-05 19:03:42 +01:00
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template const bool& Option::get<bool>() const;
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template void Option::set<bool>(const bool&);
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2013-03-06 14:12:56 +01:00
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template const std::vector<int>& Option::get<std::vector<int>>() const;
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template void Option::set<std::vector<int>>(const std::vector<int>&);
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2013-03-05 19:15:38 +01:00
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2013-03-09 14:23:19 +01:00
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template const std::vector<String>& Option::get<std::vector<String>>() const;
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template void Option::set<std::vector<String>>(const std::vector<String>&);
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2013-03-14 13:42:07 +01:00
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template const Regex& Option::get<Regex>() const;
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template void Option::set<Regex>(const Regex&);
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2012-06-14 15:16:44 +02:00
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OptionManager::OptionManager(OptionManager& parent)
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: m_parent(&parent)
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2012-04-03 20:25:27 +02:00
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{
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2012-06-14 15:16:44 +02:00
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parent.register_watcher(*this);
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}
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OptionManager::~OptionManager()
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{
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if (m_parent)
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m_parent->unregister_watcher(*this);
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assert(m_watchers.empty());
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}
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void OptionManager::register_watcher(OptionManagerWatcher& watcher)
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{
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assert(not contains(m_watchers, &watcher));
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m_watchers.push_back(&watcher);
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}
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void OptionManager::unregister_watcher(OptionManagerWatcher& watcher)
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{
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auto it = find(m_watchers.begin(), m_watchers.end(), &watcher);
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assert(it != m_watchers.end());
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m_watchers.erase(it);
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}
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2013-03-03 17:25:40 +01:00
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template<typename T>
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auto find_option(T& container, const String& name) -> decltype(container.begin())
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2012-06-14 15:16:44 +02:00
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{
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2013-03-03 17:25:40 +01:00
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using ptr_type = decltype(*container.begin());
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return find_if(container, [&name](const ptr_type& opt) { return opt->name() == name; });
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}
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2012-06-14 15:16:44 +02:00
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2013-03-03 17:25:40 +01:00
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Option& OptionManager::get_local_option(const String& name)
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{
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auto it = find_option(m_options, name);
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if (it != m_options.end())
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return **it;
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else if (m_parent)
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2012-06-12 20:28:25 +02:00
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{
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2013-03-03 17:25:40 +01:00
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m_options.emplace_back((*m_parent)[name].clone(*this));
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return *m_options.back();
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2012-06-12 20:28:25 +02:00
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}
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2013-03-03 17:25:40 +01:00
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else
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throw option_not_found(name);
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2012-04-03 20:25:27 +02:00
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}
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2012-06-14 15:16:44 +02:00
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const Option& OptionManager::operator[](const String& name) const
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2012-04-03 20:25:27 +02:00
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{
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2013-03-03 17:25:40 +01:00
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auto it = find_option(m_options, name);
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2012-04-03 20:25:27 +02:00
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if (it != m_options.end())
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2013-03-03 17:25:40 +01:00
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return **it;
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2012-04-03 20:25:27 +02:00
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else if (m_parent)
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return (*m_parent)[name];
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else
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throw option_not_found(name);
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}
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2012-04-14 03:17:09 +02:00
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CandidateList OptionManager::complete_option_name(const String& prefix,
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2012-10-11 00:41:48 +02:00
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ByteCount cursor_pos)
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2012-04-03 20:25:27 +02:00
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{
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2012-04-14 03:17:09 +02:00
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String real_prefix = prefix.substr(0, cursor_pos);
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2012-04-03 20:25:27 +02:00
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CandidateList result;
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if (m_parent)
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result = m_parent->complete_option_name(prefix, cursor_pos);
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for (auto& option : m_options)
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{
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2013-03-03 17:25:40 +01:00
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const auto& name = option->name();
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if (name.substr(0, real_prefix.length()) == real_prefix and
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not contains(result, name))
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result.push_back(name);
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2012-04-03 20:25:27 +02:00
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}
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return result;
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}
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2013-03-03 17:25:40 +01:00
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OptionManager::OptionList OptionManager::flatten_options() const
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2012-06-14 15:16:44 +02:00
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{
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2013-03-03 17:25:40 +01:00
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OptionList res = m_parent ? m_parent->flatten_options() : OptionList{};
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2012-06-14 15:16:44 +02:00
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for (auto& option : m_options)
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2013-03-03 17:25:40 +01:00
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{
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auto it = find_option(res, option->name());
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if (it != res.end())
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*it = option.get();
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else
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res.emplace_back(option.get());
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}
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2012-06-14 15:16:44 +02:00
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return res;
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}
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2013-03-03 17:25:40 +01:00
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void OptionManager::on_option_changed(const Option& option)
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2012-06-14 15:16:44 +02:00
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{
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// if parent option changed, but we overrided it, it's like nothing happened
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2013-03-03 17:25:40 +01:00
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if (&option.manager() != this and
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find_option(m_options, option.name()) != m_options.end())
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2012-06-14 15:16:44 +02:00
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return;
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for (auto watcher : m_watchers)
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2013-03-03 17:25:40 +01:00
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watcher->on_option_changed(option);
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2012-06-14 15:16:44 +02:00
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}
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2012-11-22 13:50:29 +01:00
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GlobalOptions::GlobalOptions()
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2012-04-03 15:39:20 +02:00
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: OptionManager()
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{
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2013-03-03 17:25:40 +01:00
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declare_option<int>("tabstop", 8);
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declare_option<int>("indentwidth", 4);
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declare_option<String>("eolformat", "lf");
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declare_option<String>("BOM", "no");
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declare_option<String>("shell", "sh");
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2013-03-05 19:03:42 +01:00
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declare_option<bool>("complete_prefix", true);
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declare_option<bool>("incsearch", true);
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2013-03-14 13:42:07 +01:00
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declare_option<Regex>("ignored_files", Regex{R"(^(\..*|.*\.(o|so|a))$)"});
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2013-03-03 17:25:40 +01:00
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declare_option<String>("filetype", "");
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2013-03-09 14:23:19 +01:00
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declare_option<std::vector<String>>("completions", {});
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2013-03-13 18:52:55 +01:00
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declare_option<std::vector<String>>("path", { "./", "/usr/include" });
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2013-03-03 17:25:40 +01:00
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}
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template<typename T>
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Option& GlobalOptions::declare_option(const String& name, const T& value)
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{
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if (find_option(m_options, name) != m_options.end())
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throw runtime_error("option " + name + " already declared");
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m_options.emplace_back(new TypedOption<T>{*this, name, value});
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return *m_options.back();
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2012-04-03 15:39:20 +02:00
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}
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2013-03-06 14:12:56 +01:00
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template Option& GlobalOptions::declare_option<>(const String&, const std::vector<int>&);
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2012-04-03 15:39:20 +02:00
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}
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