2012-04-03 15:39:20 +02:00
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#include "option_manager.hh"
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2013-04-09 20:05:40 +02:00
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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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namespace Kakoune
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{
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2014-04-12 21:03:26 +02:00
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OptionDesc::OptionDesc(String name, String docstring, OptionFlags flags)
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: m_name(std::move(name)), m_docstring(std::move(docstring)),
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m_flags(flags) {}
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Option::Option(const OptionDesc& desc, OptionManager& manager)
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: m_manager(manager), m_desc(desc) {}
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2013-03-03 17:25:40 +01:00
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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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2013-04-09 20:04:11 +02:00
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kak_assert(m_watchers.empty());
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2012-06-14 15:16:44 +02:00
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}
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void OptionManager::register_watcher(OptionManagerWatcher& watcher)
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{
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kak_assert(not contains(m_watchers, &watcher));
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2012-06-14 15:16:44 +02:00
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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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2013-04-09 20:04:11 +02:00
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kak_assert(it != m_watchers.end());
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2012-06-14 15:16:44 +02:00
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m_watchers.erase(it);
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}
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2015-04-26 21:40:32 +02:00
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struct option_not_found : public runtime_error
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{
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option_not_found(StringView name)
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: runtime_error("option not found: " + name) {}
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};
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2014-11-16 21:55:36 +01:00
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Option& OptionManager::get_local_option(StringView name)
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2013-03-03 17:25:40 +01:00
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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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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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2014-11-16 21:55:36 +01:00
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Option& OptionManager::operator[](StringView name)
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{
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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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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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2014-11-16 21:55:36 +01:00
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const Option& OptionManager::operator[](StringView name) const
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2014-05-25 18:36:12 +02:00
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{
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return const_cast<OptionManager&>(*this)[name];
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}
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2015-08-10 14:54:52 +02:00
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void OptionManager::unset_option(StringView name)
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{
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kak_assert(m_parent); // cannot unset option on global manager
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auto it = find_option(m_options, name);
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if (it != m_options.end())
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{
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m_options.erase(it);
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on_option_changed((*m_parent)[name]);
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}
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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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{
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OptionList res = m_parent ? m_parent->flatten_options() : OptionList{};
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for (auto& option : m_options)
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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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{
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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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2015-08-10 14:38:06 +02:00
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template<typename Container, typename MatchingFunc>
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static CandidateList get_matching_names(const Container& options, MatchingFunc func)
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{
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CandidateList result;
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for (auto& option : options)
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{
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if (option->flags() & OptionFlags::Hidden)
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continue;
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const auto& name = option->name();
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if (func(name))
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result.push_back(name);
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}
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return result;
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}
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CandidateList OptionsRegistry::complete_option_name(StringView prefix,
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ByteCount cursor_pos) const
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{
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using namespace std::placeholders;
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auto real_prefix = prefix.substr(0, cursor_pos);
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auto result = get_matching_names(m_descs, std::bind(prefix_match, _1, real_prefix));
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if (result.empty())
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result = get_matching_names(m_descs, std::bind(subsequence_match, _1, real_prefix));
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return result;
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}
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2012-04-03 15:39:20 +02:00
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}
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