重构项目,调整了项目结构

lts/main.go

@@ -0,0 +1,124 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"strings"
+	"time"
+
+	l2s "github.com/Hami-Lemon/lrc2srt"
+	"github.com/jessevdk/go-flags"
+)
+
+type Option struct {
+	Id       string `short:"i" long:"id" description:"歌曲的id，网易云和QQ音乐均可。"`
+	Input    string `short:"I" long:"input" description:"需要转换的LRC文件路径。"`
+	Source   string `short:"s" long:"source" description:"当设置id时有效，指定从网易云（163）还是QQ音乐（qq）上获取歌词。" default:"163" choice:"163" choice:"qq" choice:"QQ"`
+	Download bool   `short:"d" long:"download" description:"只下载歌词，而不进行解析。"`
+	Mode     int    `short:"m" long:"mode" default:"1" description:"原文和译文的排列模式,可选值有：[1] [2] [3]" choice:"1" choice:"2" choice:"3"`
+	Version  bool   `short:"v" long:"version" description:"获取版本信息"`
+	Output   string `no-flag:""`
+}
+
+const (
+	// VERSION 当前版本
+	VERSION = `"0.2.0" (build 2022.03.28)`
+)
+
+var (
+	opt Option
+)
+
+func main() {
+	//TODO 支持转ass文件
+	args, err := flags.Parse(&opt)
+	if err != nil {
+		os.Exit(0)
+	}
+	//显示版本信息
+	if opt.Version {
+		fmt.Printf("LrcToSrt(lts) version %s\n", VERSION)
+		return
+	}
+	//获取保存的文件名
+	if len(args) != 0 {
+		opt.Output = args[0]
+	}
+
+	//获取歌词，lyric为原文歌词，tranLyric为译文歌词
+	var lyric, tranLyric string
+	if opt.Id != "" {
+		if opt.Source != "163" {
+			lyric, tranLyric = l2s.GetQQLyric(opt.Id)
+		} else {
+			lyric, tranLyric = l2s.Get163Lyric(opt.Id)
+		}
+		//下载歌词
+		if opt.Download {
+			//对文件名进行处理
+			o := opt.Output
+			if o == "" {
+				o = opt.Id + ".lrc"
+			} else if !strings.HasSuffix(o, ".lrc") {
+				o += ".lrc"
+			}
+			l2s.WriteFile(o, lyric)
+			if tranLyric != "" {
+				l2s.WriteFile("tran_"+o, tranLyric)
+			}
+			fmt.Println("下载歌词完成！")
+			return
+		}
+	} else if opt.Input != "" {
+		//从文件中获取歌词
+		if !strings.HasSuffix(opt.Input, ".lrc") {
+			fmt.Println("Error: 不支持的格式，目前只支持lrc歌词文件。")
+			os.Exit(1)
+		}
+		lyric = l2s.ReadFile(opt.Input)
+		if lyric == "" {
+			fmt.Println("获取歌词失败，文件内容为空。")
+			os.Exit(1)
+		}
+	} else {
+		fmt.Println("Error: 请指定需要转换的歌词。")
+		os.Exit(1)
+	}
+	lrc, lrcT := l2s.ParseLRC(lyric), l2s.ParseLRC(tranLyric)
+	srt, srtT := l2s.LrcToSrt(lrc), l2s.LrcToSrt(lrcT)
+	if srtT != nil {
+		var mode l2s.SRTMergeMode
+		switch opt.Mode {
+		case 1:
+			mode = l2s.SRT_MERGE_MODE_STACK
+		case 2:
+			mode = l2s.SRT_MERGE_MODE_UP
+		case 3:
+			mode = l2s.SRT_MERGE_MODE_BOTTOM
+		}
+		srt.Merge(srtT, mode)
+	}
+	name := opt.Output
+	if name == "" {
+		title := srt.Title
+		if title != "" {
+			//以歌曲名命名
+			name = fmt.Sprintf("%s.srt", title)
+		} else if opt.Id != "" {
+			//以歌曲的id命名
+			name = fmt.Sprintf("%s.srt", opt.Id)
+		} else if opt.Input != "" {
+			//以LRC文件的文件名命名
+			name = fmt.Sprintf("%s.srt", opt.Input[:len(opt.Input)-4])
+		} else {
+			//以当前时间的毫秒值命名
+			name = fmt.Sprintf("%d.srt", time.Now().Unix())
+		}
+	} else if !strings.HasSuffix(name, ".srt") {
+		name += ".srt"
+	}
+	if err = srt.WriteFile(name); err != nil {
+		fmt.Println("出现错误,保存失败")
+		panic(err.Error())
+	}
+}