kakoune/src/id_map.hh

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#ifndef id_map_hh_INCLUDED
#define id_map_hh_INCLUDED
#include "containers.hh"
#include "string.hh"
#include "vector.hh"
namespace Kakoune
{
template<typename Value, MemoryDomain domain = MemoryDomain::Undefined>
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class IdMap
{
public:
using value_type = std::pair<String, Value>;
using container_type = Vector<value_type, domain>;
using iterator = typename container_type::iterator;
using const_iterator = typename container_type::const_iterator;
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IdMap() = default;
IdMap(std::initializer_list<value_type> val) : m_content{val} {}
void append(const value_type& value)
{
m_content.push_back(value);
}
void append(value_type&& value)
{
m_content.push_back(std::move(value));
}
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iterator find(StringView id)
{
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return Kakoune::find(transformed(m_content, get_id), id).base();
}
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const_iterator find(StringView id) const
{
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return Kakoune::find(transformed(m_content, get_id), id).base();
}
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bool contains(StringView id) const
{
return find(id) != end();
}
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void remove(StringView id)
{
auto it = find(id);
if (it != end())
m_content.erase(it);
}
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void remove_all(StringView id)
{
auto it = std::remove_if(begin(), end(),
[&](value_type& v){ return v.first == id; });
m_content.erase(it, end());
}
Value& operator[](StringView id)
{
auto it = find(id);
if (it != m_content.end())
return it->second;
append({ id, Value{} });
return (m_content.end()-1)->second;
}
const Value& operator[](StringView id) const
{
return (*const_cast<IdMap*>(this))[id];
}
static const String& get_id(const value_type& v) { return v.first; }
bool empty() const { return m_content.empty(); }
iterator begin() { return m_content.begin(); }
iterator end() { return m_content.end(); }
const_iterator begin() const { return m_content.begin(); }
const_iterator end() const { return m_content.end(); }
private:
container_type m_content;
};
}
#endif // id_map_hh_INCLUDED