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Add GDScript Language Protocol plugin

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geequlim 2019-06-14 22:38:54 +08:00
parent 61ed6efa5b
commit f58560ac36
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modules/gdscript/language_server/gdscript_language_protocol.cpp Normal file
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/*************************************************************************/
/* gdscript_language_protocol.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "gdscript_language_protocol.h"
#include "core/io/json.h"
#include "core/os/copymem.h"
#include "core/project_settings.h"
GDScriptLanguageProtocol *GDScriptLanguageProtocol::singleton = NULL;
void GDScriptLanguageProtocol::on_data_received(int p_id) {
lastest_client_id = p_id;
Ref<WebSocketPeer> peer = server->get_peer(p_id);
PoolByteArray data;
if (OK == peer->get_packet_buffer(data)) {
String message;
message.parse_utf8((const char *)data.read().ptr(), data.size());
if (message.begins_with("Content-Length:")) return;
String output = process_message(message);
if (!output.empty()) {
CharString charstr = output.utf8();
peer->put_packet((const uint8_t *)charstr.ptr(), charstr.length());
}
}
}
void GDScriptLanguageProtocol::on_client_connected(int p_id, const String &p_protocal) {
clients.set(p_id, server->get_peer(p_id));
}
void GDScriptLanguageProtocol::on_client_disconnected(int p_id, bool p_was_clean_close) {
clients.erase(p_id);
}
String GDScriptLanguageProtocol::process_message(const String &p_text) {
String ret = process_string(p_text);
if (ret.empty()) {
return ret;
} else {
return format_output(ret);
}
}
String GDScriptLanguageProtocol::format_output(const String &p_text) {
String header = "Content-Length: ";
CharString charstr = p_text.utf8();
size_t len = charstr.length();
header += itos(len);
header += "\r\n\r\n";
return header + p_text;
}
void GDScriptLanguageProtocol::_bind_methods() {
ClassDB::bind_method(D_METHOD("initialize", "params"), &GDScriptLanguageProtocol::initialize);
ClassDB::bind_method(D_METHOD("initialized", "params"), &GDScriptLanguageProtocol::initialized);
ClassDB::bind_method(D_METHOD("on_data_received"), &GDScriptLanguageProtocol::on_data_received);
ClassDB::bind_method(D_METHOD("on_client_connected"), &GDScriptLanguageProtocol::on_client_connected);
ClassDB::bind_method(D_METHOD("on_client_disconnected"), &GDScriptLanguageProtocol::on_client_disconnected);
}
Dictionary GDScriptLanguageProtocol::initialize(const Dictionary &p_params) {
lsp::InitializeResult ret;
return ret.to_json();
}
void GDScriptLanguageProtocol::initialized(const Variant &p_params) {
Dictionary params;
params["type"] = 3;
params["message"] = "GDScript Language Server initialized!";
Dictionary test_message = make_notification("window/showMessage", params);
if (Ref<WebSocketPeer> *peer = clients.getptr(lastest_client_id)) {
String msg = JSON::print(test_message);
msg = format_output(msg);
CharString charstr = msg.utf8();
(*peer)->put_packet((const uint8_t *)charstr.ptr(), charstr.length());
}
}
void GDScriptLanguageProtocol::poll() {
server->poll();
}
Error GDScriptLanguageProtocol::start(int p_port) {
if (server == NULL) {
server = dynamic_cast<WebSocketServer *>(ClassDB::instance("WebSocketServer"));
server->set_buffers(8192, 1024, 8192, 1024); // 8mb should be way more than enough
server->connect("data_received", this, "on_data_received");
server->connect("client_connected", this, "on_client_connected");
server->connect("client_disconnected", this, "on_client_disconnected");
}
return server->listen(p_port);
}
void GDScriptLanguageProtocol::stop() {
server->stop();
}
void GDScriptLanguageProtocol::notify_all_clients(const String &p_method, const Variant &p_params) {
Dictionary message = make_notification(p_method, p_params);
String msg = JSON::print(message);
msg = format_output(msg);
CharString charstr = msg.utf8();
const int *p_id = clients.next(NULL);
while (p_id != NULL) {
Ref<WebSocketPeer> peer = clients.get(*p_id);
(*peer)->put_packet((const uint8_t *)charstr.ptr(), charstr.length());
p_id = clients.next(p_id);
}
}
void GDScriptLanguageProtocol::notify_client(const String &p_method, const Variant &p_params, int p_client) {
if (p_client == -1) {
p_client = lastest_client_id;
}
Ref<WebSocketPeer> *peer = clients.getptr(p_client);
ERR_FAIL_COND(peer == NULL);
Dictionary message = make_notification(p_method, p_params);
String msg = JSON::print(message);
msg = format_output(msg);
CharString charstr = msg.utf8();
(*peer)->put_packet((const uint8_t *)charstr.ptr(), charstr.length());
}
GDScriptLanguageProtocol::GDScriptLanguageProtocol() {
server = NULL;
singleton = this;
set_scope("textDocument", &text_document);
set_scope("workspace", &workspace);
workspace.root = ProjectSettings::get_singleton()->get_resource_path();
}
GDScriptLanguageProtocol::~GDScriptLanguageProtocol() {
memdelete(server);
server = NULL;
}