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lrc-cli/convert.go
2024-10-10 15:22:06 +08:00

128 lines
2.8 KiB
Go

package main
import (
"fmt"
"os"
"path/filepath"
"strings"
)
func convert(args []string) {
if len(args) < 2 {
fmt.Println(CONVERT_USAGE)
return
}
sourceFile := args[0]
targetFile := args[1]
sourceFmt := strings.TrimPrefix(filepath.Ext(sourceFile), ".")
targetFmt := strings.TrimPrefix(filepath.Ext(targetFile), ".")
switch sourceFmt {
case "lrc":
convertLyrics(sourceFile, targetFile, targetFmt)
case "srt":
convertSRT(sourceFile, targetFile, targetFmt)
default:
fmt.Printf("unsupported source file format: %s\n", sourceFmt)
}
}
func lrcToTxt(sourceFile, targetFile string) {
sourceLyrics, err := parseLyrics(sourceFile)
if err != nil {
fmt.Println("Error parsing source lyrics file:", err)
return
}
file, err := os.Create(targetFile)
if err != nil {
fmt.Println("Error creating target file:", err)
return
}
defer file.Close()
for _, content := range sourceLyrics.Content {
fmt.Fprintln(file, content)
}
}
func lrcToSrt(sourceFile, targetFile string) {
sourceLyrics, err := parseLyrics(sourceFile)
if err != nil {
fmt.Println("Error parsing source lyrics file:", err)
return
}
file, err := os.Create(targetFile)
if err != nil {
fmt.Println("Error creating target file:", err)
return
}
defer file.Close()
for i, content := range sourceLyrics.Content {
startTime := sourceLyrics.Timeline[i]
var endTime Timestamp
if i < len(sourceLyrics.Timeline)-1 {
endTime = sourceLyrics.Timeline[i+1]
} else {
endTime = addSeconds(startTime, 3)
}
fmt.Fprintf(file, "%d\n", i+1)
fmt.Fprintf(file, "%s --> %s\n", formatSRTTimestamp(startTime), formatSRTTimestamp(endTime))
fmt.Fprintf(file, "%s\n\n", content)
}
}
func srtToLrc(sourceFile, targetFile string) {
srtEntries, err := parseSRT(sourceFile)
if err != nil {
fmt.Println("Error parsing source SRT file:", err)
return
}
lyrics := Lyrics{
Metadata: make(map[string]string),
Timeline: make([]Timestamp, len(srtEntries)),
Content: make([]string, len(srtEntries)),
}
// Add default metadata
title := strings.TrimSuffix(filepath.Base(targetFile), filepath.Ext(targetFile))
lyrics.Metadata["ti"] = title
lyrics.Metadata["ar"] = ""
lyrics.Metadata["al"] = ""
for i, entry := range srtEntries {
lyrics.Timeline[i] = entry.StartTime
lyrics.Content[i] = entry.Content
}
err = saveLyrics(targetFile, lyrics)
if err != nil {
fmt.Println("Error saving LRC file:", err)
return
}
}
func srtToTxt(sourceFile, targetFile string) {
srtEntries, err := parseSRT(sourceFile)
if err != nil {
fmt.Println("Error parsing source SRT file:", err)
return
}
file, err := os.Create(targetFile)
if err != nil {
fmt.Println("Error creating target file:", err)
return
}
defer file.Close()
for _, entry := range srtEntries {
fmt.Fprintln(file, entry.Content)
}
}