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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#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 = m_client->hostPathToServerUri(document->filePath());
m_cache.remove(uri);
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)
{
if (m_runningRequests.contains(uri))
return;
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(client->hostPathMapper()));
return client->supportsDocumentSymbols(doc);
}
void DocumentSymbolCache::requestSymbolsImpl()
{
if (!m_client->reachable()) {
m_compressionTimer.start(200);
return;
}
for (const DocumentUri &uri : std::as_const(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->sendMessage(request);
}
m_compressedUris.clear();
}
void DocumentSymbolCache::handleResponse(const DocumentUri &uri,
const DocumentSymbolsRequest::Response &response)
{
m_runningRequests.remove(uri);
if (std::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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