136 lines
4.0 KiB
C++
136 lines
4.0 KiB
C++
#include "option_manager.hh"
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#include "assert.hh"
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#include <sstream>
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namespace Kakoune
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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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OptionManager::OptionManager(OptionManager& parent)
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: m_parent(&parent)
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{
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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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kak_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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kak_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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kak_assert(it != m_watchers.end());
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m_watchers.erase(it);
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}
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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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{
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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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}
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else
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throw option_not_found(name);
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}
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const Option& OptionManager::operator[](const String& name) const
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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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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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CandidateList OptionManager::complete_option_name(const String& prefix,
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ByteCount cursor_pos)
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{
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String real_prefix = prefix.substr(0, cursor_pos);
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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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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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}
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return result;
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}
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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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return res;
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}
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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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if (&option.manager() != this and
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find_option(m_options, option.name()) != m_options.end())
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return;
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for (auto watcher : m_watchers)
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watcher->on_option_changed(option);
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}
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GlobalOptions::GlobalOptions()
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: OptionManager()
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{
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declare_option<int>("tabstop", 8);
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declare_option<int>("indentwidth", 4);
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declare_option<int>("scrolloff", 0);
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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", "bash");
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declare_option<bool>("complete_prefix", true);
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declare_option<bool>("incsearch", true);
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declare_option<bool>("autoinfo", false);
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declare_option<Regex>("ignored_files", Regex{R"(^(\..*|.*\.(o|so|a))$)"});
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declare_option<String>("filetype", "");
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declare_option<std::vector<String>>("completions", {});
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declare_option<std::vector<String>>("path", { "./", "/usr/include" });
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declare_option<std::unordered_set<String>>("completers", {"option", "word=buffer"},
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[](const std::unordered_set<String>& s) {
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for (auto& v : s)
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{
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if (v != "option" and v != "word=buffer" and v != "word=all")
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throw runtime_error(v + " is not a recognised value for completers");
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}
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});
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declare_option<bool>("insert_hide_sel", false);
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}
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}
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