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/*
* Copyright (c) 2020, the SerenityOS developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "AutoCompleteResponse.h"
#include <AK/Forward.h>
#include <AK/LexicalPath.h>
#include <AK/Types.h>
#include <AK/WeakPtr.h>
#include <AK/Weakable.h>
#include <LibIPC/ServerConnection.h>
#include <DevTools/HackStudio/LanguageServers/LanguageClientEndpoint.h>
#include <DevTools/HackStudio/LanguageServers/LanguageServerEndpoint.h>
namespace HackStudio {
class LanguageClient;
class ServerConnection
: public IPC::ServerConnection<LanguageClientEndpoint, LanguageServerEndpoint>
, public LanguageClientEndpoint {
public:
ServerConnection(const StringView& socket)
: IPC::ServerConnection<LanguageClientEndpoint, LanguageServerEndpoint>(*this, socket)
{
}
void attach(LanguageClient& client)
{
m_language_client = &client;
}
void detach()
{
m_language_client = nullptr;
}
virtual void handshake() override
{
auto response = send_sync<Messages::LanguageServer::Greet>();
set_my_client_id(response->client_id());
}
WeakPtr<LanguageClient> language_client() { return m_language_client; }
template<typename ConcreteType>
static NonnullRefPtr<ServerConnection> get_or_create(const String& project_path)
{
static HashMap<String, NonnullRefPtr<ConcreteType>> s_instances_for_projects;
auto key = LexicalPath { project_path }.string();
if (auto instance = s_instances_for_projects.get(key); instance.has_value())
return *instance.value();
auto connection = ConcreteType::construct();
connection->handshake();
s_instances_for_projects.set(key, *connection);
return *connection;
}
protected:
virtual void handle(const Messages::LanguageClient::AutoCompleteSuggestions&) override;
WeakPtr<LanguageClient> m_language_client;
};
class LanguageClient : public Weakable<LanguageClient> {
public:
explicit LanguageClient(NonnullRefPtr<ServerConnection>&& connection)
: m_connection(*connection)
, m_server_connection(move(connection))
{
m_previous_client = m_connection.language_client();
m_connection.attach(*this);
}
virtual ~LanguageClient()
{
m_connection.detach();
if (m_previous_client)
m_connection.attach(*m_previous_client);
}
virtual void open_file(const String& path, int fd);
virtual void set_file_content(const String& path, const String& content);
virtual void insert_text(const String& path, const String& text, size_t line, size_t column);
virtual void remove_text(const String& path, size_t from_line, size_t from_column, size_t to_line, size_t to_column);
virtual void request_autocomplete(const String& path, size_t cursor_line, size_t cursor_column);
virtual void set_autocomplete_mode(const String& mode);
void provide_autocomplete_suggestions(const Vector<GUI::AutocompleteProvider::Entry>&);
Function<void(Vector<GUI::AutocompleteProvider::Entry>)> on_autocomplete_suggestions;
private:
ServerConnection& m_connection;
NonnullRefPtr<ServerConnection> m_server_connection;
WeakPtr<LanguageClient> m_previous_client;
};
template<typename ServerConnectionT>
static inline NonnullOwnPtr<LanguageClient> get_language_client(const String& project_path)
{
return make<LanguageClient>(ServerConnection::get_or_create<ServerConnectionT>(project_path));
}
}
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