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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qqmlfindusagessupport_p.h"
#include "qqmllsutils_p.h"
#include <QtLanguageServer/private/qlanguageserverspectypes_p.h>
#include <QtQmlDom/private/qqmldomexternalitems_p.h>
#include <QtQmlDom/private/qqmldomtop_p.h>
#include <variant>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
QQmlFindUsagesSupport::QQmlFindUsagesSupport(QmlLsp::QQmlCodeModel *codeModel)
: BaseT(codeModel) { }
QString QQmlFindUsagesSupport::name() const
{
return u"QmlFindUsagesSupport"_s;
}
void QQmlFindUsagesSupport::setupCapabilities(
const QLspSpecification::InitializeParams &,
QLspSpecification::InitializeResult &serverCapabilities)
{
// just assume serverCapabilities.capabilities.typeDefinitionProvider is a bool for now
// handle the ReferenceOptions later if needed (it adds the possibility to communicate the
// current progress).
serverCapabilities.capabilities.referencesProvider = true;
}
void QQmlFindUsagesSupport::registerHandlers(QLanguageServer *, QLanguageServerProtocol *protocol)
{
protocol->registerReferenceRequestHandler(getRequestHandler());
}
void QQmlFindUsagesSupport::process(QQmlFindUsagesSupport::RequestPointerArgument request)
{
QList<QLspSpecification::Location> results;
ResponseScopeGuard guard(results, request->m_response);
auto itemsFound = itemsForRequest(request);
if (guard.setErrorFrom(itemsFound))
return;
QQmlLSUtilsItemLocation &front = std::get<QList<QQmlLSUtilsItemLocation>>(itemsFound).front();
auto usages = QQmlLSUtils::findUsagesOf(front.domItem);
QQmlJS::Dom::DomItem files = front.domItem.top().field(QQmlJS::Dom::Fields::qmlFileWithPath);
QHash<QString, QString> codeCache;
for (const auto &usage : usages) {
QLspSpecification::Location location;
location.uri = QUrl::fromLocalFile(usage.filename).toEncoded();
auto cacheEntry = codeCache.find(usage.filename);
if (cacheEntry == codeCache.end()) {
auto file = files.key(usage.filename)
.field(QQmlJS::Dom::Fields::currentItem)
.ownerAs<QQmlJS::Dom::QmlFile>();
if (!file) {
qDebug() << "File" << usage.filename << "not found in DOM! Available files are"
<< files.keys();
continue;
}
cacheEntry = codeCache.insert(usage.filename, file->code());
}
location.range =
QQmlLSUtils::qmlLocationToLspLocation(cacheEntry.value(), usage.sourceLocation);
results.append(location);
}
}
QT_END_NAMESPACE
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