kakoune/src/alias_registry.cc

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#include "alias_registry.hh"
#include "command_manager.hh"
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#include "containers.hh"
namespace Kakoune
{
void AliasRegistry::add_alias(String alias, String command)
{
kak_assert(not alias.empty());
kak_assert(CommandManager::instance().command_defined(command));
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auto it = m_aliases.find(alias);
if (it == m_aliases.end())
m_aliases.append({std::move(alias), std::move(command) });
else
it->value = std::move(command);
}
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void AliasRegistry::remove_alias(StringView alias)
{
auto it = m_aliases.find(alias);
if (it != m_aliases.end())
m_aliases.erase(it);
}
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StringView AliasRegistry::operator[](StringView alias) const
{
auto it = m_aliases.find(alias);
if (it != m_aliases.end())
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return it->value;
else if (m_parent)
return (*m_parent)[alias];
else
return StringView{};
}
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Vector<StringView> AliasRegistry::aliases_for(StringView command) const
{
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Vector<StringView> res;
if (m_parent)
res = m_parent->aliases_for(command);
for (auto& alias : m_aliases)
{
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if (alias.value == command)
res.push_back(alias.key);
}
return res;
}
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Vector<std::pair<StringView, StringView>> AliasRegistry::flatten_aliases() const
{
Vector<std::pair<StringView, StringView>> res;
if (m_parent)
res = m_parent->flatten_aliases();
for (auto& alias : m_aliases)
{
if (not contains(transformed(res, [](const std::pair<StringView, StringView>& val) { return val.first; }), alias.key))
res.emplace_back(alias.key, alias.value);
}
return res;
}
}