com.github._1c_syntax.bsl.languageserver.providers.RenameProvider Maven / Gradle / Ivy
/*
* This file is a part of BSL Language Server.
*
* Copyright (c) 2018-2022
* Alexey Sosnoviy , Nikita Fedkin and contributors
*
* SPDX-License-Identifier: LGPL-3.0-or-later
*
* BSL Language Server is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* BSL Language Server is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with BSL Language Server.
*/
package com.github._1c_syntax.bsl.languageserver.providers;
import com.github._1c_syntax.bsl.languageserver.context.DocumentContext;
import com.github._1c_syntax.bsl.languageserver.context.symbol.SourceDefinedSymbol;
import com.github._1c_syntax.bsl.languageserver.references.ReferenceIndex;
import com.github._1c_syntax.bsl.languageserver.references.ReferenceResolver;
import com.github._1c_syntax.bsl.languageserver.references.model.OccurrenceType;
import com.github._1c_syntax.bsl.languageserver.references.model.Reference;
import lombok.RequiredArgsConstructor;
import org.eclipse.lsp4j.Location;
import org.eclipse.lsp4j.Range;
import org.eclipse.lsp4j.RenameParams;
import org.eclipse.lsp4j.TextDocumentPositionParams;
import org.eclipse.lsp4j.TextEdit;
import org.eclipse.lsp4j.WorkspaceEdit;
import org.springframework.stereotype.Component;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collector;
import java.util.stream.Collectors;
import java.util.stream.Stream;
/**
* Провайдер, обрабатывающий запросы {@code textDocument/rename}
* и {@code textDocument/prepareRename}.
*
* @see Rename Request specification.
* @see Prepare Document Request specification.
*/
@Component
@RequiredArgsConstructor
public final class RenameProvider {
private final ReferenceResolver referenceResolver;
private final ReferenceIndex referenceIndex;
/**
* {@link WorkspaceEdit}
*
* @param documentContext Контекст документа.
* @param params Параметры вызова.
* @return Изменения документов
*/
public WorkspaceEdit getRename(DocumentContext documentContext, RenameParams params) {
var position = params.getPosition();
var sourceDefinedSymbol = referenceResolver.findReference(documentContext.getUri(), position)
.flatMap(Reference::getSourceDefinedSymbol);
Map> changes = Stream.concat(
sourceDefinedSymbol
.stream()
.map(referenceIndex::getReferencesTo)
.flatMap(Collection::stream),
sourceDefinedSymbol
.stream().map(RenameProvider::referenceOf)
).collect(Collectors.groupingBy(ref -> ref.getUri().toString(), getTexEdits(params)));
return new WorkspaceEdit(changes);
}
private static Reference referenceOf(SourceDefinedSymbol symbol) {
return Reference.of(
symbol,
symbol,
new Location(symbol.getOwner().getUri().toString(), symbol.getSelectionRange()),
OccurrenceType.DEFINITION
);
}
/**
* {@link Range}
*
* @param documentContext Контекст документа.
* @param params Параметры вызова.
* @return Range
*/
public Range getPrepareRename(DocumentContext documentContext, TextDocumentPositionParams params) {
return referenceResolver.findReference(
documentContext.getUri(), params.getPosition())
.filter(Reference::isSourceDefinedSymbolReference)
.map(Reference::getSelectionRange)
.orElse(null);
}
private static Collector> getTexEdits(RenameParams params) {
return Collectors.mapping(
Reference::getSelectionRange,
Collectors.mapping(range -> newTextEdit(params, range), Collectors.toList())
);
}
private static TextEdit newTextEdit(RenameParams params, Range range) {
return new TextEdit(range, params.getNewName());
}
}