kakoune/src/buffer_manager.cc

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#include "buffer_manager.hh"
#include "buffer.hh"
#include "window.hh"
#include <cassert>
namespace Kakoune
{
struct name_not_unique {};
BufferManager* BufferManager::ms_instance = nullptr;
BufferManager& BufferManager::instance()
{
if (not ms_instance)
ms_instance = new BufferManager();
return *ms_instance;
}
void BufferManager::delete_instance()
{
delete ms_instance;
ms_instance = nullptr;
}
BufferManager::BufferManager()
{
}
void BufferManager::register_buffer(Buffer* buffer)
{
assert(buffer);
const std::string& name = buffer->name();
if (m_buffers.find(name) != m_buffers.end())
throw name_not_unique();
m_buffers[name] = std::unique_ptr<Buffer>(buffer);
}
void BufferManager::delete_buffer(Buffer* buffer)
{
assert(buffer);
auto buffer_it = m_buffers.find(buffer->name());
assert(buffer_it->second.get() == buffer);
m_buffers.erase(buffer_it);
}
Buffer* BufferManager::get_buffer(const std::string& name)
{
if (m_buffers.find(name) == m_buffers.end())
return nullptr;
return m_buffers[name].get();
}
}