#include "buffer_manager.hh" #include "assert.hh" #include "buffer.hh" #include "client_manager.hh" #include "exception.hh" #include "file.hh" #include "string.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.emplace(m_buffers.begin(), &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; } } kak_assert(false); } void BufferManager::delete_buffer(Buffer& buffer) { for (auto it = m_buffers.begin(); it != m_buffers.end(); ++it) { if (*it == &buffer) { if (ClientManager::has_instance()) ClientManager::instance().ensure_no_client_uses_buffer(buffer); delete it->get(); return; } } kak_assert(false); } void BufferManager::delete_buffer_if_exists(const String& name) { if (Buffer* buf = get_buffer_ifp(name)) delete_buffer(*buf); } Buffer* BufferManager::get_buffer_ifp(const String& name) { for (auto& buf : m_buffers) { if (buf->name() == name or (buf->flags() & Buffer::Flags::File and real_path(buf->name()) == real_path(parse_filename(name)))) return buf.get(); } return nullptr; } Buffer& BufferManager::get_buffer(const String& name) { Buffer* res = get_buffer_ifp(name); if (not res) throw runtime_error("no such buffer '" + name + "'"); return *res; } void BufferManager::set_last_used_buffer(Buffer& buffer) { auto it = m_buffers.begin(); while (*it != &buffer and it != m_buffers.end()) ++it; kak_assert(it != m_buffers.end()); m_buffers.erase(it); m_buffers.emplace(m_buffers.begin(), &buffer); } CandidateList BufferManager::complete_buffername(const String& prefix, ByteCount cursor_pos) { String real_prefix = prefix.substr(0, cursor_pos); CandidateList result; for (auto& buffer : m_buffers) { String name = buffer->display_name(); if (name.substr(0, real_prefix.length()) == real_prefix) result.push_back(escape(name)); } // no prefix completion found, check regex matching if (result.empty()) { try { Regex ex(real_prefix.begin(), real_prefix.end()); for (auto& buffer : m_buffers) { String name = buffer->display_name(); if (boost::regex_search(name.begin(), name.end(), ex)) result.push_back(escape(name)); } } catch (boost::regex_error& err) {} } return result; } }