Examples with ServerCapabilities org.eclipse.lsp4j.ServerCapabilities used on opensource projects

Example 6 with ServerCapabilities

use of org.eclipse.lsp4j.ServerCapabilities in project xtext-core by eclipse.

the class LanguageServerImpl method createServerCapabilities.

/**
 * Configure the server capabilities for this instance.
 *
 * @param params
 *            the initialization parametrs
 * @return the server capabilities
 * @since 2.20
 */
protected ServerCapabilities createServerCapabilities(InitializeParams params) {
    ServerCapabilities serverCapabilities = new ServerCapabilities();
    serverCapabilities.setHoverProvider(true);
    serverCapabilities.setDefinitionProvider(true);
    serverCapabilities.setReferencesProvider(true);
    serverCapabilities.setDocumentSymbolProvider(true);
    serverCapabilities.setWorkspaceSymbolProvider(true);
    Set<? extends IResourceServiceProvider> allLanguages = getAllLanguages();
    if (allLanguages.stream().anyMatch((serviceProvider) -> serviceProvider.get(ICodeLensService.class) != null)) {
        CodeLensOptions codeLensOptions = new CodeLensOptions();
        codeLensOptions.setResolveProvider(allLanguages.stream().anyMatch((serviceProvider) -> serviceProvider.get(ICodeLensResolver.class) != null));
        serverCapabilities.setCodeLensProvider(codeLensOptions);
    }
    serverCapabilities.setCodeActionProvider(allLanguages.stream().anyMatch((serviceProvider) -> serviceProvider.get(ICodeActionService2.class) != null));
    serverCapabilities.setSignatureHelpProvider(new SignatureHelpOptions(ImmutableList.of("(", ",")));
    serverCapabilities.setTextDocumentSync(TextDocumentSyncKind.Incremental);
    CompletionOptions completionOptions = new CompletionOptions();
    completionOptions.setResolveProvider(false);
    completionOptions.setTriggerCharacters(ImmutableList.of("."));
    serverCapabilities.setCompletionProvider(completionOptions);
    serverCapabilities.setDocumentFormattingProvider(true);
    serverCapabilities.setDocumentRangeFormattingProvider(true);
    serverCapabilities.setDocumentHighlightProvider(true);
    ClientCapabilities clientCapabilities = null;
    if (params != null) {
        clientCapabilities = params.getCapabilities();
    }
    TextDocumentClientCapabilities textDocument = null;
    if (clientCapabilities != null) {
        textDocument = clientCapabilities.getTextDocument();
    }
    RenameCapabilities rename = null;
    FoldingRangeCapabilities folding = null;
    if (textDocument != null) {
        rename = textDocument.getRename();
        folding = textDocument.getFoldingRange();
    }
    if (folding != null) {
        serverCapabilities.setFoldingRangeProvider(allLanguages.stream().anyMatch(serviceProvider -> serviceProvider.get(FoldingRangeService.class) != null));
    }
    Boolean prepareSupport = null;
    if (rename != null) {
        prepareSupport = rename.getPrepareSupport();
    }
    boolean clientPrepareSupport = Objects.equal(Boolean.TRUE, prepareSupport);
    if (clientPrepareSupport && allLanguages.stream().anyMatch(serviceProvider -> serviceProvider.get(IRenameService2.class) != null)) {
        RenameOptions renameOptions = new RenameOptions();
        renameOptions.setPrepareProvider(true);
        serverCapabilities.setRenameProvider(Either.<Boolean, RenameOptions>forRight(renameOptions));
    } else {
        serverCapabilities.setRenameProvider(Either.forLeft(allLanguages.stream().anyMatch((serviceProvider) -> serviceProvider.get(IRenameService2.class) != null)));
    }
    WorkspaceClientCapabilities workspace = null;
    if (clientCapabilities != null) {
        workspace = clientCapabilities.getWorkspace();
    }
    ExecuteCommandCapabilities executeCommand = null;
    if (workspace != null) {
        executeCommand = workspace.getExecuteCommand();
        if (workspace.getWorkspaceFolders() == Boolean.TRUE && workspaceManager.isSupportsWorkspaceFolders()) {
            WorkspaceFoldersOptions workspaceFoldersOptions = new WorkspaceFoldersOptions();
            workspaceFoldersOptions.setSupported(true);
            workspaceFoldersOptions.setChangeNotifications(true);
            serverCapabilities.setWorkspace(new WorkspaceServerCapabilities(workspaceFoldersOptions));
        }
    }
    if (executeCommand != null) {
        commandRegistry.initialize(allLanguages, clientCapabilities, client);
        ExecuteCommandOptions executeCommandOptions = new ExecuteCommandOptions();
        executeCommandOptions.setCommands(commandRegistry.getCommands());
        serverCapabilities.setExecuteCommandProvider(executeCommandOptions);
    }
    for (IResourceServiceProvider language : allLanguages) {
        ICapabilitiesContributor capabilitiesContributor = language.get(ICapabilitiesContributor.class);
        if (capabilitiesContributor != null) {
            capabilitiesContributor.contribute(serverCapabilities, params);
        }
    }
    return serverCapabilities;
}

Example 7 with ServerCapabilities

use of org.eclipse.lsp4j.ServerCapabilities in project ballerina by ballerina-lang.

the class BallerinaLanguageServer method initialize.

public CompletableFuture<InitializeResult> initialize(InitializeParams params) {
    final InitializeResult res = new InitializeResult(new ServerCapabilities());
    final SignatureHelpOptions signatureHelpOptions = new SignatureHelpOptions(Arrays.asList("(", ","));
    final List<String> commandList = new ArrayList<>(Arrays.asList(CommandConstants.CMD_IMPORT_PACKAGE, CommandConstants.CMD_ADD_DOCUMENTATION, CommandConstants.CMD_ADD_ALL_DOC));
    final ExecuteCommandOptions executeCommandOptions = new ExecuteCommandOptions(commandList);
    final CompletionOptions completionOptions = new CompletionOptions();
    completionOptions.setTriggerCharacters(Arrays.asList(":", ".", ">"));
    res.getCapabilities().setCompletionProvider(completionOptions);
    res.getCapabilities().setTextDocumentSync(TextDocumentSyncKind.Full);
    res.getCapabilities().setSignatureHelpProvider(signatureHelpOptions);
    res.getCapabilities().setHoverProvider(true);
    res.getCapabilities().setDocumentSymbolProvider(true);
    res.getCapabilities().setDefinitionProvider(true);
    res.getCapabilities().setReferencesProvider(true);
    res.getCapabilities().setCodeActionProvider(true);
    res.getCapabilities().setExecuteCommandProvider(executeCommandOptions);
    res.getCapabilities().setDocumentFormattingProvider(true);
    res.getCapabilities().setRenameProvider(true);
    return CompletableFuture.supplyAsync(() -> res);
}

Example 8 with ServerCapabilities

use of org.eclipse.lsp4j.ServerCapabilities in project sts4 by spring-projects.

the class SimpleLanguageServer method initialize.

@Override
public CompletableFuture<InitializeResult> initialize(InitializeParams params) {
    Log.debug("Initializing: " + params);
    // multi-root workspace handling
    List<WorkspaceFolder> workspaceFolders = getWorkspaceFolders(params);
    if (!workspaceFolders.isEmpty()) {
        this.getWorkspaceService().setWorkspaceFolders(workspaceFolders);
    } else {
        String rootUri = params.getRootUri();
        if (rootUri == null) {
            Log.debug("workspaceRoot NOT SET");
        } else {
            List<WorkspaceFolder> singleRootFolder = new ArrayList<>();
            String name;
            try {
                name = Paths.get(new URI(rootUri).getPath()).getFileName().toString();
            } catch (Exception e) {
                name = "";
            }
            WorkspaceFolder folder = new WorkspaceFolder();
            folder.setName(name);
            folder.setUri(rootUri);
            singleRootFolder.add(folder);
            this.getWorkspaceService().setWorkspaceFolders(singleRootFolder);
        }
    }
    this.hasCompletionSnippetSupport = safeGet(false, () -> params.getCapabilities().getTextDocument().getCompletion().getCompletionItem().getSnippetSupport());
    this.hasExecuteCommandSupport = safeGet(false, () -> params.getCapabilities().getWorkspace().getExecuteCommand() != null);
    this.hasFileWatcherRegistrationSupport = safeGet(false, () -> params.getCapabilities().getWorkspace().getDidChangeWatchedFiles().getDynamicRegistration());
    Log.debug("workspaceRoots = " + getWorkspaceService().getWorkspaceRoots());
    Log.debug("hasCompletionSnippetSupport = " + hasCompletionSnippetSupport);
    Log.debug("hasExecuteCommandSupport = " + hasExecuteCommandSupport);
    InitializeResult result = new InitializeResult();
    if (hasExecuteCommandSupport) {
        getWorkspaceService().onExecuteCommand(this::executeCommand);
    }
    ServerCapabilities cap = getServerCapabilities();
    result.setCapabilities(cap);
    Consumer<InitializeParams> ih = this.initializeHandler;
    if (ih != null) {
        ih.accept(params);
    }
    return CompletableFuture.completedFuture(result);
}