62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
#include "buffer_manager.hh"
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#include "assert.hh"
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#include "buffer.hh"
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#include "exception.hh"
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namespace Kakoune
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{
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struct name_not_unique : logic_error {};
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BufferManager::~BufferManager()
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{
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// delete remaining buffers
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while (not m_buffers.empty())
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delete m_buffers.begin()->second.get();
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}
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void BufferManager::register_buffer(Buffer* buffer)
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{
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assert(buffer);
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const String& name = buffer->name();
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if (m_buffers.find(name) != m_buffers.end())
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throw name_not_unique();
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m_buffers[name] = safe_ptr<Buffer>(buffer);
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}
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void BufferManager::unregister_buffer(Buffer* buffer)
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{
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assert(buffer);
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auto buffer_it = m_buffers.find(buffer->name());
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if (buffer_it != m_buffers.end())
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{
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assert(buffer_it->second == buffer);
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m_buffers.erase(buffer_it);
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}
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}
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Buffer* BufferManager::get_buffer(const String& name)
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{
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if (m_buffers.find(name) == m_buffers.end())
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return nullptr;
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return m_buffers[name].get();
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}
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CandidateList BufferManager::complete_buffername(const String& prefix,
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size_t cursor_pos)
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{
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String real_prefix = prefix.substr(0, cursor_pos);
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CandidateList result;
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for (auto& buffer : m_buffers)
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{
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if (buffer.first.substr(0, real_prefix.length()) == real_prefix)
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result.push_back(buffer.first);
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}
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return result;
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}
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}
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