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