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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package fake
import (
"context"
"encoding/json"
"fmt"
"path"
"path/filepath"
"cuelang.org/go/internal/golangorgx/gopls/protocol"
"cuelang.org/go/internal/golangorgx/gopls/test/integration/fake/glob"
)
// ClientHooks are a set of optional hooks called during handling of
// the corresponding client method (see protocol.Client for the
// LSP server-to-client RPCs) in order to make test expectations
// awaitable.
type ClientHooks struct {
OnLogMessage func(context.Context, *protocol.LogMessageParams) error
OnDiagnostics func(context.Context, *protocol.PublishDiagnosticsParams) error
OnWorkDoneProgressCreate func(context.Context, *protocol.WorkDoneProgressCreateParams) error
OnProgress func(context.Context, *protocol.ProgressParams) error
OnShowDocument func(context.Context, *protocol.ShowDocumentParams) error
OnShowMessage func(context.Context, *protocol.ShowMessageParams) error
OnShowMessageRequest func(context.Context, *protocol.ShowMessageRequestParams) error
OnRegisterCapability func(context.Context, *protocol.RegistrationParams) error
OnUnregisterCapability func(context.Context, *protocol.UnregistrationParams) error
OnApplyEdit func(context.Context, *protocol.ApplyWorkspaceEditParams) error
}
// Client is an implementation of the [protocol.Client] interface
// based on the test's fake [Editor]. It mostly delegates
// functionality to hooks that can be configured by tests.
type Client struct {
editor *Editor
hooks ClientHooks
skipApplyEdits bool // don't apply edits from ApplyEdit downcalls to Editor
}
func (c *Client) CodeLensRefresh(context.Context) error { return nil }
func (c *Client) InlayHintRefresh(context.Context) error { return nil }
func (c *Client) DiagnosticRefresh(context.Context) error { return nil }
func (c *Client) FoldingRangeRefresh(context.Context) error { return nil }
func (c *Client) InlineValueRefresh(context.Context) error { return nil }
func (c *Client) SemanticTokensRefresh(context.Context) error { return nil }
func (c *Client) LogTrace(context.Context, *protocol.LogTraceParams) error { return nil }
func (c *Client) ShowMessage(ctx context.Context, params *protocol.ShowMessageParams) error {
if c.hooks.OnShowMessage != nil {
return c.hooks.OnShowMessage(ctx, params)
}
return nil
}
func (c *Client) ShowMessageRequest(ctx context.Context, params *protocol.ShowMessageRequestParams) (*protocol.MessageActionItem, error) {
if c.hooks.OnShowMessageRequest != nil {
if err := c.hooks.OnShowMessageRequest(ctx, params); err != nil {
return nil, err
}
}
if c.editor.config.MessageResponder != nil {
return c.editor.config.MessageResponder(params)
}
return nil, nil // don't choose, which is effectively dismissing the message
}
func (c *Client) LogMessage(ctx context.Context, params *protocol.LogMessageParams) error {
if c.hooks.OnLogMessage != nil {
return c.hooks.OnLogMessage(ctx, params)
}
return nil
}
func (c *Client) Event(ctx context.Context, event *interface{}) error {
return nil
}
func (c *Client) PublishDiagnostics(ctx context.Context, params *protocol.PublishDiagnosticsParams) error {
if c.hooks.OnDiagnostics != nil {
return c.hooks.OnDiagnostics(ctx, params)
}
return nil
}
func (c *Client) WorkspaceFolders(context.Context) ([]protocol.WorkspaceFolder, error) {
return []protocol.WorkspaceFolder{}, nil
}
func (c *Client) Configuration(_ context.Context, p *protocol.ParamConfiguration) ([]interface{}, error) {
results := make([]interface{}, len(p.Items))
for i, item := range p.Items {
if item.ScopeURI != nil && *item.ScopeURI == "" {
return nil, fmt.Errorf(`malformed ScopeURI ""`)
}
if item.Section == "gopls" {
config := c.editor.Config()
results[i] = makeSettings(c.editor.sandbox, config, item.ScopeURI)
}
}
return results, nil
}
func (c *Client) RegisterCapability(ctx context.Context, params *protocol.RegistrationParams) error {
if c.hooks.OnRegisterCapability != nil {
if err := c.hooks.OnRegisterCapability(ctx, params); err != nil {
return err
}
}
// Update file watching patterns.
//
// TODO(rfindley): We could verify more here, like verify that the
// registration ID is distinct, and that the capability is not currently
// registered.
for _, registration := range params.Registrations {
if registration.Method == "workspace/didChangeWatchedFiles" {
// Marshal and unmarshal to interpret RegisterOptions as
// DidChangeWatchedFilesRegistrationOptions.
raw, err := json.Marshal(registration.RegisterOptions)
if err != nil {
return fmt.Errorf("marshaling registration options: %v", err)
}
var opts protocol.DidChangeWatchedFilesRegistrationOptions
if err := json.Unmarshal(raw, &opts); err != nil {
return fmt.Errorf("unmarshaling registration options: %v", err)
}
var globs []*glob.Glob
for _, watcher := range opts.Watchers {
var globPattern string
switch pattern := watcher.GlobPattern.Value.(type) {
case protocol.Pattern:
globPattern = pattern
case protocol.RelativePattern:
globPattern = path.Join(filepath.ToSlash(pattern.BaseURI.Path()), pattern.Pattern)
}
// TODO(rfindley): honor the watch kind.
g, err := glob.Parse(globPattern)
if err != nil {
return fmt.Errorf("error parsing glob pattern %q: %v", watcher.GlobPattern, err)
}
globs = append(globs, g)
}
c.editor.mu.Lock()
c.editor.watchPatterns = globs
c.editor.mu.Unlock()
}
}
return nil
}
func (c *Client) UnregisterCapability(ctx context.Context, params *protocol.UnregistrationParams) error {
if c.hooks.OnUnregisterCapability != nil {
return c.hooks.OnUnregisterCapability(ctx, params)
}
return nil
}
func (c *Client) Progress(ctx context.Context, params *protocol.ProgressParams) error {
if c.hooks.OnProgress != nil {
return c.hooks.OnProgress(ctx, params)
}
return nil
}
func (c *Client) WorkDoneProgressCreate(ctx context.Context, params *protocol.WorkDoneProgressCreateParams) error {
if c.hooks.OnWorkDoneProgressCreate != nil {
return c.hooks.OnWorkDoneProgressCreate(ctx, params)
}
return nil
}
func (c *Client) ShowDocument(ctx context.Context, params *protocol.ShowDocumentParams) (*protocol.ShowDocumentResult, error) {
if c.hooks.OnShowDocument != nil {
if err := c.hooks.OnShowDocument(ctx, params); err != nil {
return nil, err
}
return &protocol.ShowDocumentResult{Success: true}, nil
}
return nil, nil
}
func (c *Client) ApplyEdit(ctx context.Context, params *protocol.ApplyWorkspaceEditParams) (*protocol.ApplyWorkspaceEditResult, error) {
if len(params.Edit.Changes) != 0 {
return &protocol.ApplyWorkspaceEditResult{FailureReason: "Edit.Changes is unsupported"}, nil
}
if c.hooks.OnApplyEdit != nil {
if err := c.hooks.OnApplyEdit(ctx, params); err != nil {
return nil, err
}
}
if !c.skipApplyEdits {
for _, change := range params.Edit.DocumentChanges {
if err := c.editor.applyDocumentChange(ctx, change); err != nil {
return nil, err
}
}
}
return &protocol.ApplyWorkspaceEditResult{Applied: true}, nil
}
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