mirror of
https://github.com/TeaOSLab/EdgeCommon.git
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279 lines
8.0 KiB
Go
279 lines
8.0 KiB
Go
// Copyright 2022 Liuxiangchao iwind.liu@gmail.com. All rights reserved. Official site: https://goedge.cn .
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package main
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"github.com/iwind/TeaGo/Tea"
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_ "github.com/iwind/TeaGo/bootstrap"
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"github.com/iwind/TeaGo/types"
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"os"
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"path/filepath"
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"regexp"
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"strings"
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)
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type ServiceInfo struct {
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Name string `json:"name"`
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Methods []*MethodInfo `json:"methods"`
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Filename string `json:"filename"`
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Doc string `json:"doc"`
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}
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type MethodInfo struct {
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Name string `json:"name"`
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RequestMessageName string `json:"requestMessageName"`
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ResponseMessageName string `json:"responseMessageName"`
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Code string `json:"code"`
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Doc string `json:"doc"`
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}
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type MessageInfo struct {
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Name string `json:"name"`
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Code string `json:"code"`
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Doc string `json:"doc"`
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}
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type LinkInfo struct {
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Name string `json:"name"`
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Content string `json:"content"`
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}
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type RPCList struct {
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Services []*ServiceInfo `json:"services"`
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Messages []*MessageInfo `json:"messages"`
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Links []*LinkInfo `json:"links"`
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}
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func readComments(data []byte) string {
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var lines = bytes.Split(data, []byte{'\n'})
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var comments = [][]byte{}
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for i := len(lines) - 1; i >= 0; i-- {
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var line = bytes.TrimLeft(lines[i], " \t")
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if len(line) == 0 {
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comments = append([][]byte{{' '}}, comments...)
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continue
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}
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if bytes.HasPrefix(line, []byte("//")) {
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line = bytes.TrimSpace(bytes.TrimLeft(line, "/"))
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comments = append([][]byte{line}, comments...)
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} else {
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break
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}
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}
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return string(bytes.TrimSpace(bytes.Join(comments, []byte{'\n'})))
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}
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// 生成JSON格式API列表
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func main() {
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var quiet = false
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flag.BoolVar(&quiet, "quiet", false, "")
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flag.Parse()
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var services = []*ServiceInfo{}
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var messages = []*MessageInfo{}
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{
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var dirs = []string{Tea.Root + "/../pkg/rpc/protos/", Tea.Root + "/../pkg/rpc/protos/models"}
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for _, dir := range dirs {
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func(dir string) {
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dir = filepath.Clean(dir)
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files, err := filepath.Glob(dir + "/*.proto")
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if err != nil {
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fmt.Println("[ERROR]list proto files failed: " + err.Error())
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return
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}
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for _, path := range files {
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func(path string) {
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var filename = filepath.Base(path)
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if filename == "service_authority_key.proto" || filename == "service_authority_node.proto" {
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return
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}
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data, err := os.ReadFile(path)
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if err != nil {
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fmt.Println("[ERROR]" + err.Error())
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return
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}
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// 先将rpc代码替换成临时代码
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var methodCodeMap = map[string][]byte{} // code => method
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var methodIndex = 0
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var methodReg = regexp.MustCompile(`rpc\s+(\w+)\s*\(\s*(\w+)\s*\)\s*returns\s*\(\s*(\w+)\s*\)\s*;`)
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data = methodReg.ReplaceAllFunc(data, func(methodData []byte) []byte {
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methodIndex++
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var code = "METHOD" + types.String(methodIndex)
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methodCodeMap[code] = methodData
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return []byte("\n" + code)
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})
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// 服务列表
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// TODO 这里需要改进一下，当前实现方法如果方法注释里有括号（}），就会导致部分方法解析不到
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var serviceNameReg = regexp.MustCompile(`(?sU)\n\s*service\s+(\w+)\s*\{(.+)}`)
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var serviceMatches = serviceNameReg.FindAllSubmatch(data, -1)
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var serviceNamePositions = serviceNameReg.FindAllIndex(data, -1)
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for serviceMatchIndex, serviceMatch := range serviceMatches {
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var serviceName = string(serviceMatch[1])
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var serviceNamePosition = serviceNamePositions[serviceMatchIndex][0]
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var comment = readComments(data[:serviceNamePosition])
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// 方法列表
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var methods = []*MethodInfo{}
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var serviceData = serviceMatch[2]
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var methodCodeReg = regexp.MustCompile(`\b(METHOD\d+)\b`)
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var methodCodeMatches = methodCodeReg.FindAllSubmatch(serviceData, -1)
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var methodCodePositions = methodCodeReg.FindAllIndex(serviceData, -1)
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for methodMatchIndex, methodMatch := range methodCodeMatches {
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var methodCode = string(methodMatch[1])
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var methodData = methodCodeMap[methodCode]
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var methodPieces = methodReg.FindSubmatch(methodData)
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var methodCodePosition = methodCodePositions[methodMatchIndex]
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methods = append(methods, &MethodInfo{
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Name: string(methodPieces[1]),
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RequestMessageName: string(methodPieces[2]),
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ResponseMessageName: string(methodPieces[3]),
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Code: string(methodData),
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Doc: readComments(serviceData[:methodCodePosition[0]]),
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})
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}
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services = append(services, &ServiceInfo{
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Name: serviceName,
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Methods: methods,
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Filename: filename,
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Doc: comment,
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})
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}
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// 消息列表
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var topMessageCodeMap = map[string][]byte{} // code => message
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var allMessageCodeMap = map[string][]byte{}
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var messageCodeIndex = 0
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var messagesReg = regexp.MustCompile(`(?sU)\n\s*message\s+(\w+)\s*\{([^{}]+)\n\s*}`)
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var firstMessagesReg = regexp.MustCompile(`message\s+(\w+)`)
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var messageCodeREG = regexp.MustCompile(`MESSAGE\d+`)
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for {
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var hasMessage = false
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data = messagesReg.ReplaceAllFunc(data, func(messageData []byte) []byte {
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messageCodeIndex++
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hasMessage = true
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// 是否包含子Message
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var subMatches = messageCodeREG.FindAllSubmatch(messageData, -1)
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for _, subMatch := range subMatches {
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var subMatchCode = string(subMatch[0])
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delete(topMessageCodeMap, subMatchCode)
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}
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var code = "MESSAGE" + types.String(messageCodeIndex)
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topMessageCodeMap[code] = messageData
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allMessageCodeMap[code] = messageData
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return []byte("\n" + code)
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})
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if !hasMessage {
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break
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}
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}
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for messageCode, messageData := range topMessageCodeMap {
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// 替换其中的子Message
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for {
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if messageCodeREG.Match(messageData) {
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messageData = messageCodeREG.ReplaceAllFunc(messageData, func(messageCodeData []byte) []byte {
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return allMessageCodeMap[string(messageCodeData)]
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})
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} else {
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break
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}
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}
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// 注释
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var index = bytes.Index(data, []byte(messageCode))
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var messageName = string(firstMessagesReg.FindSubmatch(messageData)[1])
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messages = append(messages, &MessageInfo{
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Name: messageName,
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Code: string(bytes.TrimSpace(messageData)),
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Doc: readComments(data[:index]),
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})
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}
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}(path)
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}
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}(dir)
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}
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}
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var countServices = len(services)
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var countMethods = 0
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var countMessages = len(messages)
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for _, service := range services {
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countMethods += len(service.Methods)
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}
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// 链接
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var links = []*LinkInfo{}
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// json links
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{
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var dirs = []string{Tea.Root + "/../pkg/rpc/jsons"}
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for _, dir := range dirs {
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func(dir string) {
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dir = filepath.Clean(dir)
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files, err := filepath.Glob(dir + "/*.md")
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if err != nil {
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fmt.Println("[ERROR]list .md files failed: " + err.Error())
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return
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}
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for _, path := range files {
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func(path string) {
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var name = strings.TrimSuffix(filepath.Base(path), ".md")
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data, err := os.ReadFile(path)
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if err != nil {
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fmt.Println("[ERROR]read '" + path + "' failed: " + err.Error())
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return
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}
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links = append(links, &LinkInfo{
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Name: "json:" + name,
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Content: string(data),
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})
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}(path)
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}
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}(dir)
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}
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}
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var rpcList = &RPCList{
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Services: services,
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Messages: messages,
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Links: links,
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}
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jsonData, err := json.MarshalIndent(rpcList, "", " ")
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if err != nil {
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fmt.Println("[ERROR]marshal to json failed: " + err.Error())
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return
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}
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var jsonFile = Tea.Root + "/rpc.json"
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err = os.WriteFile(jsonFile, jsonData, 0666)
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if err != nil {
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fmt.Println("[ERROR]write json to file failed: " + err.Error())
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return
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}
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if !quiet {
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fmt.Println("services:", countServices, "methods:", countMethods, "messages:", countMessages)
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fmt.Println("===")
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fmt.Println("generated " + filepath.Base(jsonFile) + " successfully")
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}
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}
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