Initial commit

LSPCompletion.hpp

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+/*
+ * Copyright (C) 2023 The Qt Company Ltd.
+ * Copyright (C) 2024 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * The Qt Company portions:
+ * SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
+ *
+ * Petr Mironychev portions:
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <languageserverprotocol/jsonkeys.h>
+#include <languageserverprotocol/jsonrpcmessages.h>
+#include <languageserverprotocol/lsptypes.h>
+
+namespace QodeAssist {
+
+class Completion : public LanguageServerProtocol::JsonObject
+{
+    static constexpr LanguageServerProtocol::Key displayTextKey{"displayText"};
+    static constexpr LanguageServerProtocol::Key uuidKey{"uuid"};
+
+public:
+    using JsonObject::JsonObject;
+
+    QString displayText() const { return typedValue<QString>(displayTextKey); }
+    LanguageServerProtocol::Position position() const
+    {
+        return typedValue<LanguageServerProtocol::Position>(LanguageServerProtocol::positionKey);
+    }
+    LanguageServerProtocol::Range range() const
+    {
+        return typedValue<LanguageServerProtocol::Range>(LanguageServerProtocol::rangeKey);
+    }
+    QString text() const { return typedValue<QString>(LanguageServerProtocol::textKey); }
+    void setText(const QString &text) { insert(LanguageServerProtocol::textKey, text); }
+    QString uuid() const { return typedValue<QString>(uuidKey); }
+
+    bool isValid() const override
+    {
+        return contains(LanguageServerProtocol::textKey)
+               && contains(LanguageServerProtocol::rangeKey)
+               && contains(LanguageServerProtocol::positionKey);
+    }
+};
+
+class GetCompletionParams : public LanguageServerProtocol::JsonObject
+{
+public:
+    static constexpr LanguageServerProtocol::Key docKey{"doc"};
+
+    GetCompletionParams(const LanguageServerProtocol::TextDocumentIdentifier &document,
+                        int version,
+                        const LanguageServerProtocol::Position &position)
+    {
+        setTextDocument(document);
+        setVersion(version);
+        setPosition(position);
+    }
+    using JsonObject::JsonObject;
+
+    // The text document.
+    LanguageServerProtocol::TextDocumentIdentifier textDocument() const
+    {
+        return typedValue<LanguageServerProtocol::TextDocumentIdentifier>(docKey);
+    }
+    void setTextDocument(const LanguageServerProtocol::TextDocumentIdentifier &id)
+    {
+        insert(docKey, id);
+    }
+
+    // The position inside the text document.
+    LanguageServerProtocol::Position position() const
+    {
+        return LanguageServerProtocol::fromJsonValue<LanguageServerProtocol::Position>(
+            value(docKey).toObject().value(LanguageServerProtocol::positionKey));
+    }
+    void setPosition(const LanguageServerProtocol::Position &position)
+    {
+        QJsonObject result = value(docKey).toObject();
+        result[LanguageServerProtocol::positionKey] = (QJsonObject) position;
+        insert(docKey, result);
+    }
+
+    // The version
+    int version() const { return typedValue<int>(LanguageServerProtocol::versionKey); }
+    void setVersion(int version)
+    {
+        QJsonObject result = value(docKey).toObject();
+        result[LanguageServerProtocol::versionKey] = version;
+        insert(docKey, result);
+    }
+
+    bool isValid() const override
+    {
+        return contains(docKey)
+               && value(docKey).toObject().contains(LanguageServerProtocol::positionKey)
+               && value(docKey).toObject().contains(LanguageServerProtocol::versionKey);
+    }
+};
+
+class GetCompletionResponse : public LanguageServerProtocol::JsonObject
+{
+    static constexpr LanguageServerProtocol::Key completionKey{"completions"};
+
+public:
+    using JsonObject::JsonObject;
+
+    LanguageServerProtocol::LanguageClientArray<Completion> completions() const
+    {
+        return clientArray<Completion>(completionKey);
+    }
+};
+
+class GetCompletionRequest
+    : public LanguageServerProtocol::Request<GetCompletionResponse, std::nullptr_t, GetCompletionParams>
+{
+public:
+    explicit GetCompletionRequest(const GetCompletionParams &params = {})
+        : Request(methodName, params)
+    {}
+    using Request::Request;
+    constexpr static const LanguageServerProtocol::Key methodName{"getCompletionsCycling"};
+};
+} // namespace QodeAssist