blob: 1e713289d90c57b7956c89cd662380889a46a75e [file] [log] [blame]
// Copyright 2018 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 protocol
import (
"context"
"encoding/json"
"golang.org/x/tools/internal/jsonrpc2"
)
type Client interface {
ShowMessage(context.Context, *ShowMessageParams) error
ShowMessageRequest(context.Context, *ShowMessageRequestParams) (*MessageActionItem, error)
LogMessage(context.Context, *LogMessageParams) error
Telemetry(context.Context, interface{}) error
RegisterCapability(context.Context, *RegistrationParams) error
UnregisterCapability(context.Context, *UnregistrationParams) error
WorkspaceFolders(context.Context) ([]WorkspaceFolder, error)
Configuration(context.Context, *ConfigurationParams) ([]interface{}, error)
ApplyEdit(context.Context, *ApplyWorkspaceEditParams) (bool, error)
PublishDiagnostics(context.Context, *PublishDiagnosticsParams) error
}
func clientHandler(client Client) jsonrpc2.Handler {
return func(ctx context.Context, conn *jsonrpc2.Conn, r *jsonrpc2.Request) (interface{}, *jsonrpc2.Error) {
switch r.Method {
case "$/cancelRequest":
var params CancelParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
conn.Cancel(params.ID)
return nil, nil
case "window/showMessage":
var params ShowMessageParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.ShowMessage(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
case "window/showMessageRequest":
var params ShowMessageRequestParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
resp, err := client.ShowMessageRequest(ctx, &params)
if err != nil {
return nil, toJSONError(err)
}
return resp, nil
case "window/logMessage":
var params LogMessageParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.LogMessage(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
case "telemetry/event":
var params interface{}
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.Telemetry(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
case "client/registerCapability":
var params RegistrationParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.RegisterCapability(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
case "client/unregisterCapability":
var params UnregistrationParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.UnregisterCapability(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
case "workspace/workspaceFolders":
if r.Params != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeInvalidParams, "Expected no params")
}
resp, err := client.WorkspaceFolders(ctx)
if err != nil {
return nil, toJSONError(err)
}
return resp, nil
case "workspace/configuration":
var params ConfigurationParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
resp, err := client.Configuration(ctx, &params)
if err != nil {
return nil, toJSONError(err)
}
return resp, nil
case "workspace/applyEdit":
var params ApplyWorkspaceEditParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
resp, err := client.ApplyEdit(ctx, &params)
if err != nil {
return nil, toJSONError(err)
}
return resp, nil
case "textDocument/publishDiagnostics":
var params PublishDiagnosticsParams
if err := json.Unmarshal(*r.Params, &params); err != nil {
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeParseError, "%v", err)
}
if err := client.PublishDiagnostics(ctx, &params); err != nil {
return nil, toJSONError(err)
}
return nil, nil
default:
return nil, jsonrpc2.NewErrorf(jsonrpc2.CodeMethodNotFound, "method %q not found", r.Method)
}
}
}
type clientDispatcher struct {
*jsonrpc2.Conn
}
func (c *clientDispatcher) ShowMessage(ctx context.Context, params *ShowMessageParams) error {
return c.Conn.Notify(ctx, "window/showMessage", params)
}
func (c *clientDispatcher) ShowMessageRequest(ctx context.Context, params *ShowMessageRequestParams) (*MessageActionItem, error) {
var result MessageActionItem
if err := c.Conn.Call(ctx, "window/showMessageRequest", params, &result); err != nil {
return nil, err
}
return &result, nil
}
func (c *clientDispatcher) LogMessage(ctx context.Context, params *LogMessageParams) error {
return c.Conn.Notify(ctx, "window/logMessage", params)
}
func (c *clientDispatcher) Telemetry(ctx context.Context, params interface{}) error {
return c.Conn.Notify(ctx, "telemetry/event", params)
}
func (c *clientDispatcher) RegisterCapability(ctx context.Context, params *RegistrationParams) error {
return c.Conn.Notify(ctx, "client/registerCapability", params)
}
func (c *clientDispatcher) UnregisterCapability(ctx context.Context, params *UnregistrationParams) error {
return c.Conn.Notify(ctx, "client/unregisterCapability", params)
}
func (c *clientDispatcher) WorkspaceFolders(ctx context.Context) ([]WorkspaceFolder, error) {
var result []WorkspaceFolder
if err := c.Conn.Call(ctx, "workspace/workspaceFolders", nil, &result); err != nil {
return nil, err
}
return result, nil
}
func (c *clientDispatcher) Configuration(ctx context.Context, params *ConfigurationParams) ([]interface{}, error) {
var result []interface{}
if err := c.Conn.Call(ctx, "workspace/configuration", params, &result); err != nil {
return nil, err
}
return result, nil
}
func (c *clientDispatcher) ApplyEdit(ctx context.Context, params *ApplyWorkspaceEditParams) (bool, error) {
var result bool
if err := c.Conn.Call(ctx, "workspace/applyEdit", params, &result); err != nil {
return false, err
}
return result, nil
}
func (c *clientDispatcher) PublishDiagnostics(ctx context.Context, params *PublishDiagnosticsParams) error {
return c.Conn.Notify(ctx, "textDocument/publishDiagnostics", params)
}