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lsp.go
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lsp.go
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// SPDX-License-Identifier: MIT
// Package lsp 提供 language server protocol 服务
package lsp
import (
"log"
"net"
"os"
"strings"
"time"
"github.com/issue9/jsonrpc"
"github.com/caixw/apidoc/v7/core"
"github.com/caixw/apidoc/v7/internal/locale"
)
// Version lsp 的版本
const Version = "3.16.0"
// Serve 执行 LSP 服务
//
// t 表示服务的类型,可以是 stdio、udp、tcp 和 unix。
func Serve(header bool, t string, addr string, timeout time.Duration, infolog, errlog *log.Logger) error {
switch strings.ToLower(t) {
case "stdio":
return serveStdio(header, infolog, errlog)
case "udp":
return serveUDP(header, addr, timeout, infolog, errlog)
case "tcp", "unix":
return serveTCP(header, t, addr, timeout, infolog, errlog)
}
return core.NewError(locale.ErrInvalidValue)
}
func serveStdio(header bool, infolog, errlog *log.Logger) error {
return serve(jsonrpc.NewStreamTransport(header, os.Stdin, os.Stdout, nil), infolog, errlog)
}
func serveUDP(header bool, addr string, timeout time.Duration, infolog, errlog *log.Logger) error {
t, err := jsonrpc.NewUDPServerTransport(header, addr, timeout)
if err != nil {
return err
}
return serve(t, infolog, errlog)
}
// t 可以是 tcp 和 unix
func serveTCP(header bool, t string, addr string, timeout time.Duration, infolog, errlog *log.Logger) error {
l, err := net.Listen(t, addr)
if err != nil {
return err
}
for {
conn, err := l.Accept()
if err != nil {
errlog.Println(err)
continue
}
return serve(jsonrpc.NewSocketTransport(header, conn, timeout), infolog, errlog)
}
}
func serve(t jsonrpc.Transport, infolog, errlog *log.Logger) error {
return newServe(t, infolog, errlog).serve()
}