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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "languageclientquickfix.h"
#include "client.h"
#include "languageclientutils.h"
#include <texteditor/codeassist/assistinterface.h>
#include <texteditor/codeassist/genericproposal.h>
#include <texteditor/quickfix.h>
using namespace LanguageServerProtocol;
using namespace TextEditor;
namespace LanguageClient {
CodeActionQuickFixOperation::CodeActionQuickFixOperation(const CodeAction &action, Client *client)
: m_action(action)
, m_client(client)
{
setDescription(action.title());
}
void CodeActionQuickFixOperation::perform()
{
if (!m_client)
return;
if (std::optional<WorkspaceEdit> edit = m_action.edit())
applyWorkspaceEdit(m_client, *edit);
else if (std::optional<Command> command = m_action.command())
m_client->executeCommand(*command);
}
CommandQuickFixOperation::CommandQuickFixOperation(const Command &command, Client *client)
: m_command(command)
, m_client(client)
{ setDescription(command.title()); }
void CommandQuickFixOperation::perform()
{
if (m_client)
m_client->executeCommand(m_command);
}
IAssistProposal *LanguageClientQuickFixAssistProcessor::perform()
{
CodeActionParams params;
params.setContext({});
QTextCursor cursor = interface()->cursor();
if (!cursor.hasSelection()) {
if (cursor.atBlockEnd() || cursor.atBlockStart())
cursor.select(QTextCursor::LineUnderCursor);
else
cursor.select(QTextCursor::WordUnderCursor);
}
if (!cursor.hasSelection())
cursor.select(QTextCursor::LineUnderCursor);
Range range(cursor);
params.setRange(range);
const Utils::FilePath filePath = interface()->filePath();
const DocumentUri &uri = m_client->hostPathToServerUri(filePath);
params.setTextDocument(TextDocumentIdentifier(uri));
CodeActionParams::CodeActionContext context;
context.setDiagnostics(m_client->diagnosticsAt(filePath, cursor));
params.setContext(context);
CodeActionRequest request(params);
request.setResponseCallback([this](const CodeActionRequest::Response &response){
handleCodeActionResponse(response);
});
m_client->addAssistProcessor(this);
m_client->requestCodeActions(request);
m_currentRequest = request.id();
return nullptr;
}
void LanguageClientQuickFixAssistProcessor::cancel()
{
if (running()) {
m_client->cancelRequest(*m_currentRequest);
m_client->removeAssistProcessor(this);
m_currentRequest.reset();
}
}
void LanguageClientQuickFixAssistProcessor::handleCodeActionResponse(const CodeActionRequest::Response &response)
{
m_currentRequest.reset();
if (const std::optional<CodeActionRequest::Response::Error> &error = response.error())
m_client->log(*error);
m_client->removeAssistProcessor(this);
GenericProposal *proposal = nullptr;
if (const std::optional<CodeActionResult> &result = response.result())
proposal = handleCodeActionResult(*result);
setAsyncProposalAvailable(proposal);
}
GenericProposal *LanguageClientQuickFixAssistProcessor::handleCodeActionResult(const CodeActionResult &result)
{
if (auto list = std::get_if<QList<std::variant<Command, CodeAction>>>(&result)) {
QuickFixOperations ops;
for (const std::variant<Command, CodeAction> &item : *list) {
if (auto action = std::get_if<CodeAction>(&item))
ops << new CodeActionQuickFixOperation(*action, m_client);
else if (auto command = std::get_if<Command>(&item))
ops << new CommandQuickFixOperation(*command, m_client);
}
return GenericProposal::createProposal(interface(), ops);
}
return nullptr;
}
LanguageClientQuickFixProvider::LanguageClientQuickFixProvider(Client *client)
: IAssistProvider(client)
, m_client(client)
{
QTC_CHECK(client);
}
IAssistProcessor *LanguageClientQuickFixProvider::createProcessor(const AssistInterface *) const
{
return new LanguageClientQuickFixAssistProcessor(m_client);
}
} // namespace LanguageClient
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