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Try prefix completion and then subsequence completion for option names

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fixes #4
This commit is contained in:
Maxime Coste 2014-01-02 19:20:16 +00:00
parent 608098cdde
commit e12bf4978c
2 changed files with 18 additions and 5 deletions
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20
src/option_manager.cc
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@ -63,25 +63,35 @@ const Option& OptionManager::operator[](const String& name) const
throw option_not_found(name);
}
CandidateList OptionManager::complete_option_name(const String& prefix,
ByteCount cursor_pos)
template<typename MatchingFunc>
CandidateList OptionManager::get_matching_names(MatchingFunc func)
{
String real_prefix = prefix.substr(0, cursor_pos);
CandidateList result;
if (m_parent)
result = m_parent->complete_option_name(prefix, cursor_pos);
result = m_parent->get_matching_names(func);
for (auto& option : m_options)
{
if (option->flags() & Option::Flags::Hidden)
continue;
const auto& name = option->name();
if (prefix_match(name, real_prefix) and not contains(result, name))
if (func(name) and not contains(result, name))
result.push_back(name);
}
return result;
}
CandidateList OptionManager::complete_option_name(const String& prefix,
ByteCount cursor_pos)
{
using namespace std::placeholders;
String real_prefix = prefix.substr(0, cursor_pos);
auto result = get_matching_names(std::bind(prefix_match, _1, std::ref(real_prefix)));
if (result.empty())
result = get_matching_names(std::bind(subsequence_match, _1, std::ref(real_prefix)));
return result;
}
OptionManager::OptionList OptionManager::flatten_options() const
{
OptionList res = m_parent ? m_parent->flatten_options() : OptionList{};

3
src/option_manager.hh
View File

@ -91,6 +91,9 @@ private:
// the only one allowed to construct a root option manager
friend class GlobalOptions;
template<typename MatchingFunc>
CandidateList get_matching_names(MatchingFunc func);
std::vector<std::unique_ptr<Option>> m_options;
OptionManager* m_parent;