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/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "documentsymbolcache.h"
#include "client.h"
#include <coreplugin/editormanager/editormanager.h>
#include <texteditor/textdocument.h>
using namespace LanguageServerProtocol;
namespace LanguageClient {
DocumentSymbolCache::DocumentSymbolCache(Client *client)
: QObject(client)
, m_client(client)
{
auto connectDocument = [this](Core::IDocument *document) {
connect(document, &Core::IDocument::contentsChanged, this, [document, this]() {
const auto uri = DocumentUri::fromFilePath(document->filePath());
m_cache.remove(DocumentUri::fromFilePath(document->filePath()));
auto requestIdIt = m_runningRequests.find(uri);
if (requestIdIt != m_runningRequests.end()) {
m_client->cancelRequest(requestIdIt.value());
m_runningRequests.erase(requestIdIt);
}
});
};
for (Core::IDocument *document : Core::DocumentModel::openedDocuments())
connectDocument(document);
connect(Core::EditorManager::instance(),
&Core::EditorManager::documentOpened,
this,
connectDocument);
m_compressionTimer.setSingleShot(true);
connect(&m_compressionTimer, &QTimer::timeout, this, &DocumentSymbolCache::requestSymbolsImpl);
}
void DocumentSymbolCache::requestSymbols(const DocumentUri &uri, Schedule schedule)
{
m_compressedUris.insert(uri);
switch (schedule) {
case Schedule::Now:
requestSymbolsImpl();
break;
case Schedule::Delayed:
m_compressionTimer.start(200);
break;
}
}
bool clientSupportsDocumentSymbols(const Client *client, const DocumentUri &uri)
{
QTC_ASSERT(client, return false);
const auto doc = TextEditor::TextDocument::textDocumentForFilePath(uri.toFilePath());
return client->supportsDocumentSymbols(doc);
}
void DocumentSymbolCache::requestSymbolsImpl()
{
if (!m_client->reachable()) {
m_compressionTimer.start(200);
return;
}
for (const DocumentUri &uri : qAsConst(m_compressedUris)) {
auto entry = m_cache.find(uri);
if (entry != m_cache.end()) {
emit gotSymbols(uri, entry.value());
continue;
}
if (!LanguageClient::clientSupportsDocumentSymbols(m_client, uri)) {
emit gotSymbols(uri, nullptr);
continue;
}
const DocumentSymbolParams params((TextDocumentIdentifier(uri)));
DocumentSymbolsRequest request(params);
request.setResponseCallback([uri, self = QPointer<DocumentSymbolCache>(this)](
const DocumentSymbolsRequest::Response &response) {
if (self)
self->handleResponse(uri, response);
});
m_runningRequests[uri] = request.id();
m_client->sendContent(request);
}
m_compressedUris.clear();
}
void DocumentSymbolCache::handleResponse(const DocumentUri &uri,
const DocumentSymbolsRequest::Response &response)
{
m_runningRequests.remove(uri);
if (Utils::optional<DocumentSymbolsRequest::Response::Error> error = response.error()) {
if (m_client)
m_client->log(*error);
}
const DocumentSymbolsResult &symbols = response.result().value_or(DocumentSymbolsResult());
m_cache[uri] = symbols;
emit gotSymbols(uri, symbols);
}
} // namespace LanguageClient
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