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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, const String& project_path)
- : IPC::ServerConnection<LanguageClientEndpoint, LanguageServerEndpoint>(*this, socket)
- {
- m_project_path = project_path;
- }
- void attach(LanguageClient& client)
- {
- m_language_client = &client;
- }
- void detach()
- {
- m_language_client = nullptr;
- }
- virtual void handshake() override
- {
- send_sync<Messages::LanguageServer::Greet>(m_project_path);
- }
- 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(project_path);
- connection->handshake();
- s_instances_for_projects.set(key, *connection);
- return *connection;
- }
- protected:
- virtual void handle(const Messages::LanguageClient::AutoCompleteSuggestions&) override;
- String m_project_path;
- 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();
- ASSERT(m_previous_client.ptr() != this);
- m_connection.attach(*this);
- }
- virtual ~LanguageClient()
- {
- m_connection.detach();
- ASSERT(m_previous_client.ptr() != this);
- if (m_previous_client)
- m_connection.attach(*m_previous_client);
- }
- void set_active_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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