mirror of https://github.com/golang/go.git
128 lines
4.2 KiB
Go
128 lines
4.2 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package fake
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import (
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"context"
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"fmt"
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"golang.org/x/tools/internal/lsp/protocol"
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)
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// ClientHooks are called to handle the corresponding client LSP method.
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type ClientHooks struct {
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OnLogMessage func(context.Context, *protocol.LogMessageParams) error
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OnDiagnostics func(context.Context, *protocol.PublishDiagnosticsParams) error
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OnWorkDoneProgressCreate func(context.Context, *protocol.WorkDoneProgressCreateParams) error
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OnProgress func(context.Context, *protocol.ProgressParams) error
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OnShowMessage func(context.Context, *protocol.ShowMessageParams) error
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OnShowMessageRequest func(context.Context, *protocol.ShowMessageRequestParams) error
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OnRegistration func(context.Context, *protocol.RegistrationParams) error
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OnUnregistration func(context.Context, *protocol.UnregistrationParams) error
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}
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// Client is an adapter that converts an *Editor into an LSP Client. It mosly
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// delegates functionality to hooks that can be configured by tests.
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type Client struct {
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editor *Editor
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hooks ClientHooks
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}
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func (c *Client) ShowMessage(ctx context.Context, params *protocol.ShowMessageParams) error {
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if c.hooks.OnShowMessage != nil {
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return c.hooks.OnShowMessage(ctx, params)
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}
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return nil
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}
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func (c *Client) ShowMessageRequest(ctx context.Context, params *protocol.ShowMessageRequestParams) (*protocol.MessageActionItem, error) {
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if c.hooks.OnShowMessageRequest != nil {
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if err := c.hooks.OnShowMessageRequest(ctx, params); err != nil {
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return nil, err
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}
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}
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if len(params.Actions) == 0 || len(params.Actions) > 1 {
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return nil, fmt.Errorf("fake editor cannot handle multiple action items")
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}
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return ¶ms.Actions[0], nil
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}
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func (c *Client) LogMessage(ctx context.Context, params *protocol.LogMessageParams) error {
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if c.hooks.OnLogMessage != nil {
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return c.hooks.OnLogMessage(ctx, params)
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}
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return nil
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}
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func (c *Client) Event(ctx context.Context, event *interface{}) error {
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return nil
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}
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func (c *Client) PublishDiagnostics(ctx context.Context, params *protocol.PublishDiagnosticsParams) error {
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if c.hooks.OnDiagnostics != nil {
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return c.hooks.OnDiagnostics(ctx, params)
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}
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return nil
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}
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func (c *Client) WorkspaceFolders(context.Context) ([]protocol.WorkspaceFolder, error) {
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return []protocol.WorkspaceFolder{}, nil
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}
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func (c *Client) Configuration(_ context.Context, p *protocol.ParamConfiguration) ([]interface{}, error) {
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results := make([]interface{}, len(p.Items))
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for i, item := range p.Items {
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if item.Section != "gopls" {
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continue
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}
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results[i] = c.editor.configuration()
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}
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return results, nil
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}
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func (c *Client) RegisterCapability(ctx context.Context, params *protocol.RegistrationParams) error {
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if c.hooks.OnRegistration != nil {
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return c.hooks.OnRegistration(ctx, params)
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}
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return nil
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}
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func (c *Client) UnregisterCapability(ctx context.Context, params *protocol.UnregistrationParams) error {
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if c.hooks.OnUnregistration != nil {
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return c.hooks.OnUnregistration(ctx, params)
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}
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return nil
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}
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func (c *Client) Progress(ctx context.Context, params *protocol.ProgressParams) error {
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if c.hooks.OnProgress != nil {
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return c.hooks.OnProgress(ctx, params)
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}
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return nil
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}
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func (c *Client) WorkDoneProgressCreate(ctx context.Context, params *protocol.WorkDoneProgressCreateParams) error {
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if c.hooks.OnWorkDoneProgressCreate != nil {
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return c.hooks.OnWorkDoneProgressCreate(ctx, params)
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}
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return nil
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}
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// ApplyEdit applies edits sent from the server. Note that as of writing gopls
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// doesn't use this feature, so it is untested.
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func (c *Client) ApplyEdit(ctx context.Context, params *protocol.ApplyWorkspaceEditParams) (*protocol.ApplyWorkspaceEditResponse, error) {
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if len(params.Edit.Changes) != 0 {
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return &protocol.ApplyWorkspaceEditResponse{FailureReason: "Edit.Changes is unsupported"}, nil
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}
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for _, change := range params.Edit.DocumentChanges {
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path := c.editor.sandbox.Workdir.URIToPath(change.TextDocument.URI)
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edits := convertEdits(change.Edits)
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if err := c.editor.EditBuffer(ctx, path, edits); err != nil {
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return nil, err
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}
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}
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return &protocol.ApplyWorkspaceEditResponse{Applied: true}, nil
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}
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