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#include "buffer_manager.hh"
#include "assert.hh"
#include "buffer.hh"
#include "client_manager.hh"
#include "containers.hh"
#include "exception.hh"
#include "file.hh"
#include "string.hh"
namespace Kakoune
{
struct name_not_unique : runtime_error
{
name_not_unique() : runtime_error("buffer name is already in use") {}
};
BufferManager::~BufferManager()
{
// Make sure not clients exists
ClientManager::instance().clear();
}
Buffer* BufferManager::create_buffer(String name, Buffer::Flags flags,
StringView data, timespec fs_timestamp)
{
auto path = real_path(parse_filename(name));
for (auto& buf : m_buffers)
{
if (buf->name() == name or
(buf->flags() & Buffer::Flags::File and buf->name() == path))
throw name_not_unique();
}
m_buffers.emplace(m_buffers.begin(), new Buffer{std::move(name), flags,
data, fs_timestamp});
return m_buffers.front().get();
}
void BufferManager::delete_buffer(Buffer& buffer)
{
auto it = find_if(m_buffers, [&](const std::unique_ptr<Buffer>& p)
{ return p.get() == &buffer; });
kak_assert(it != m_buffers.end());
ClientManager::instance().ensure_no_client_uses_buffer(buffer);
m_buffer_trash.emplace_back(std::move(*it));
m_buffers.erase(it);
}
Buffer* BufferManager::get_buffer_ifp(StringView name)
{
auto path = real_path(parse_filename(name));
for (auto& buf : m_buffers)
{
if (buf->name() == name or
(buf->flags() & Buffer::Flags::File and buf->name() == path))
return buf.get();
}
return nullptr;
}
Buffer& BufferManager::get_buffer(StringView name)
{
Buffer* res = get_buffer_ifp(name);
if (not res)
throw runtime_error(format("no such buffer '{}'", name));
return *res;
}
void BufferManager::backup_modified_buffers()
{
for (auto& buf : m_buffers)
{
if ((buf->flags() & Buffer::Flags::File) and buf->is_modified())
write_buffer_to_backup_file(*buf);
}
}
void BufferManager::clear_buffer_trash()
{
for (auto& buffer : m_buffer_trash)
{
// Do that again, to be tolerant in some corner cases, where a buffer is
// deleted during its creation
ClientManager::instance().ensure_no_client_uses_buffer(*buffer);
ClientManager::instance().clear_window_trash();
buffer.reset();
}
m_buffer_trash.clear();
}
}
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