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#include "option_manager.hh"
#include "assert.hh"
#include <sstream>
namespace Kakoune
{
OptionManager::OptionManager(OptionManager& parent)
: m_parent(&parent)
{
parent.register_watcher(*this);
}
OptionManager::~OptionManager()
{
if (m_parent)
m_parent->unregister_watcher(*this);
assert(m_watchers.empty());
}
void OptionManager::register_watcher(OptionManagerWatcher& watcher)
{
assert(not contains(m_watchers, &watcher));
m_watchers.push_back(&watcher);
}
void OptionManager::unregister_watcher(OptionManagerWatcher& watcher)
{
auto it = find(m_watchers.begin(), m_watchers.end(), &watcher);
assert(it != m_watchers.end());
m_watchers.erase(it);
}
void OptionManager::set_option(const String& name, const Option& value)
{
Option old_value = m_options[name];
m_options[name] = value;
if (old_value != value)
{
for (auto watcher : m_watchers)
watcher->on_option_changed(name, value);
}
}
const Option& OptionManager::operator[](const String& name) const
{
auto it = m_options.find(name);
if (it != m_options.end())
return it->second;
else if (m_parent)
return (*m_parent)[name];
else
throw option_not_found(name);
}
CandidateList OptionManager::complete_option_name(const String& prefix,
ByteCount cursor_pos)
{
String real_prefix = prefix.substr(0, cursor_pos);
CandidateList result;
if (m_parent)
result = m_parent->complete_option_name(prefix, cursor_pos);
for (auto& option : m_options)
{
if (option.first.substr(0, real_prefix.length()) == real_prefix and
not contains(result, option.first))
result.push_back(option.first);
}
return result;
}
OptionManager::OptionMap OptionManager::flatten_options() const
{
OptionMap res = m_parent ? m_parent->flatten_options() : OptionMap();
for (auto& option : m_options)
res.insert(option);
return res;
}
void OptionManager::on_option_changed(const String& name, const Option& value)
{
// if parent option changed, but we overrided it, it's like nothing happened
if (m_options.find(name) != m_options.end())
return;
for (auto watcher : m_watchers)
watcher->on_option_changed(name, value);
}
GlobalOptions::GlobalOptions()
: OptionManager()
{
set_option("tabstop", Option(8));
set_option("indentwidth", Option(4));
set_option("eolformat", Option("lf"));
set_option("BOM", Option("no"));
set_option("shell", Option("sh"));
set_option("complete_prefix", Option(1));
set_option("ignored_files", Option(R"(^(\..*|.*\.(o|so|a))$)"));
}
}
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