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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 "qqmllsutils_p.h"
#include "qqmlrenamesymbolsupport_p.h"
#include <utility>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
QQmlRenameSymbolSupport::QQmlRenameSymbolSupport(QmlLsp::QQmlCodeModel *model) : BaseT(model) { }
QString QQmlRenameSymbolSupport::name() const
{
return u"QmlRenameSymbolSupport"_s;
}
void QQmlRenameSymbolSupport::setupCapabilities(
const QLspSpecification::InitializeParams &,
QLspSpecification::InitializeResult &serverCapabilities)
{
// use a bool for now. Alternatively, if the client supports "prepareSupport", one could
// use a RenameOptions here. See following page for more information about prepareSupport:
// https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#textDocument_prepareRename
serverCapabilities.capabilities.renameProvider = true;
}
void QQmlRenameSymbolSupport::registerHandlers(QLanguageServer *, QLanguageServerProtocol *protocol)
{
protocol->registerRenameRequestHandler(getRequestHandler());
}
void QQmlRenameSymbolSupport::process(QQmlRenameSymbolSupport::RequestPointerArgument request)
{
QLspSpecification::WorkspaceEdit result;
ResponseScopeGuard guard(result, request->m_response);
auto itemsFound = itemsForRequest(request);
if (guard.setErrorFrom(itemsFound))
return;
QQmlLSUtilsItemLocation &front = std::get<QList<QQmlLSUtilsItemLocation>>(itemsFound).front();
const QString newName = QString::fromUtf8(request->m_parameters.newName);
auto expressionType = QQmlLSUtils::resolveExpressionType(front.domItem, ResolveOwnerType);
if (!expressionType) {
guard.setError(QQmlLSUtilsErrorMessage{ 0, u"Cannot rename the requested object"_s });
return;
}
if (guard.setErrorFrom(QQmlLSUtils::checkNameForRename(front.domItem, newName, expressionType)))
return;
QList<QLspSpecification::TextDocumentEdit> editsByFileForResult;
// The QLspSpecification::WorkspaceEdit requires the changes to be grouped by files, so
// collect them into editsByFileUris.
QMap<QUrl, QList<QLspSpecification::TextEdit>> editsByFileUris;
auto renames = QQmlLSUtils::renameUsagesOf(front.domItem, newName, expressionType);
QQmlJS::Dom::DomItem files = front.domItem.top().field(QQmlJS::Dom::Fields::qmlFileWithPath);
QHash<QString, QString> codeCache;
for (const auto &rename : renames) {
QLspSpecification::TextEdit edit;
const QUrl uri = QUrl::fromLocalFile(rename.location.filename);
auto cacheEntry = codeCache.find(rename.location.filename);
if (cacheEntry == codeCache.end()) {
auto file = files.key(rename.location.filename)
.field(QQmlJS::Dom::Fields::currentItem)
.ownerAs<QQmlJS::Dom::QmlFile>();
if (!file) {
qDebug() << "File" << rename.location.filename
<< "not found in DOM! Available files are" << files.keys();
continue;
}
cacheEntry = codeCache.insert(rename.location.filename, file->code());
}
edit.range = QQmlLSUtils::qmlLocationToLspLocation(cacheEntry.value(),
rename.location.sourceLocation);
edit.newText = rename.replacement.toUtf8();
editsByFileUris[uri].append(edit);
}
for (auto it = editsByFileUris.keyValueBegin(); it != editsByFileUris.keyValueEnd(); ++it) {
QLspSpecification::TextDocumentEdit editsForCurrentFile;
editsForCurrentFile.textDocument.uri = it->first.toEncoded();
// TODO: do we need to take care of the optional versioning in
// editsForCurrentFile.textDocument.version? see
// https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#optionalVersionedTextDocumentIdentifier
// for more details
for (const auto &x : std::as_const(it->second)) {
editsForCurrentFile.edits.append(x);
}
editsByFileForResult.append(editsForCurrentFile);
}
result.documentChanges = editsByFileForResult;
}
QT_END_NAMESPACE
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