feat: ci

.forgejo/workflows/ci.yml

@@ -0,0 +1,68 @@
+name: Build and Release
+
+on:
+  push:
+    branches: [ main ]
+    tags:
+      - 'v*'
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build
+    runs-on: docker
+    strategy:
+      matrix:
+        goos: [linux, windows, darwin]
+        goarch: [amd64, arm64]
+    
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Build
+      run: |
+        export GOOS=${{ matrix.goos }}
+        export GOARCH=${{ matrix.goarch }}
+        export CGO_ENABLED=0
+        go build -v -o sub-cli-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.goos == 'windows' && '.exe' || '' }}
+
+    - name: Upload build artifact
+      uses: forgejo/upload-artifact@v4
+      with:
+        name: sub-cli-${{ matrix.goos }}-${{ matrix.goarch }}
+        path: sub-cli-${{ matrix.goos }}-${{ matrix.goarch }}${{ matrix.goos == 'windows' && '.exe' || '' }}
+        retention-days: 7
+
+  release:
+    name: Create Release
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: docker
+    
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+
+    - name: Download all artifacts
+      uses: forgejo/download-artifact@v4
+      
+    - name: Display structure of downloaded files
+      run: ls -R
+
+    - name: Create release
+      id: create_release
+      uses: https://github.com/softprops/action-gh-release@v2
+      with:
+        name: Release ${{ github.ref_name }}
+        draft: false
+        prerelease: false
+        files: |
+          sub-cli-linux-amd64/sub-cli-linux-amd64
+          sub-cli-linux-arm64/sub-cli-linux-arm64
+          sub-cli-darwin-amd64/sub-cli-darwin-amd64
+          sub-cli-darwin-arm64/sub-cli-darwin-arm64
+          sub-cli-windows-amd64/sub-cli-windows-amd64.exe
+      env:
+        GITHUB_TOKEN: ${{ secrets.ACTIONS_TOKEN }}

README.md

@@ -1,6 +1,6 @@
 # lrc-cli
 
-[WIP] A CLI tool for LRC.
+A CLI tool for LRC.
 See [releases](https://git.owu.one/starset-mirror/lrc-cli/releases) for binaries.
 
 ## Usage

convert.go

@@ -0,0 +1,128 @@
+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)
+	}
+}

go.mod

@@ -1,3 +1,3 @@
-module lrc-cli
+module sub-cli
 
 go 1.22.6

lrc.go

@@ -0,0 +1,224 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+func parseTimestamp(timeStr string) (Timestamp, error) {
+	// remove brackets
+	timeStr = strings.Trim(timeStr, "[]")
+
+	parts := strings.Split(timeStr, ":")
+	var hours, minutes, seconds, milliseconds int
+	var err error
+
+	switch len(parts) {
+	case 2: // minutes:seconds.milliseconds
+		minutes, err = strconv.Atoi(parts[0])
+		if err != nil {
+			return Timestamp{}, err
+		}
+		secParts := strings.Split(parts[1], ".")
+		seconds, err = strconv.Atoi(secParts[0])
+		if err != nil {
+			return Timestamp{}, err
+		}
+		if len(secParts) > 1 {
+			milliseconds, err = strconv.Atoi(secParts[1])
+			if err != nil {
+				return Timestamp{}, err
+			}
+			// adjust milliseconds based on the number of digits
+			switch len(secParts[1]) {
+			case 1:
+				milliseconds *= 100
+			case 2:
+				milliseconds *= 10
+			}
+		}
+	case 3: // hours:minutes:seconds.milliseconds
+		hours, err = strconv.Atoi(parts[0])
+		if err != nil {
+			return Timestamp{}, err
+		}
+		minutes, err = strconv.Atoi(parts[1])
+		if err != nil {
+			return Timestamp{}, err
+		}
+		secParts := strings.Split(parts[2], ".")
+		seconds, err = strconv.Atoi(secParts[0])
+		if err != nil {
+			return Timestamp{}, err
+		}
+		if len(secParts) > 1 {
+			milliseconds, err = strconv.Atoi(secParts[1])
+			if err != nil {
+				return Timestamp{}, err
+			}
+			// adjust milliseconds based on the number of digits
+			switch len(secParts[1]) {
+			case 1:
+				milliseconds *= 100
+			case 2:
+				milliseconds *= 10
+			}
+		}
+	default:
+		return Timestamp{}, fmt.Errorf("invalid timestamp format")
+	}
+
+	return Timestamp{Hours: hours, Minutes: minutes, Seconds: seconds, Milliseconds: milliseconds}, nil
+}
+
+func parseLyrics(filePath string) (Lyrics, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return Lyrics{}, err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	lyrics := Lyrics{
+		Metadata: make(map[string]string),
+	}
+	timeLineRegex := regexp.MustCompile(`\[((\d+:)?\d+:\d+(\.\d+)?)\]`)
+	tagRegex := regexp.MustCompile(`\[(\w+):(.+)\]`)
+
+	for scanner.Scan() {
+		line := scanner.Text()
+		if strings.HasPrefix(line, "[") && strings.Contains(line, "]") {
+			if timeLineRegex.MatchString(line) {
+				// Timeline
+				timeStr := timeLineRegex.FindString(line)
+				timestamp, err := parseTimestamp(timeStr)
+				if err != nil {
+					return Lyrics{}, err
+				}
+				lyrics.Timeline = append(lyrics.Timeline, timestamp)
+				// Content
+				content := timeLineRegex.ReplaceAllString(line, "")
+				lyrics.Content = append(lyrics.Content, strings.TrimSpace(content))
+			} else {
+				// Metadata
+				matches := tagRegex.FindStringSubmatch(line)
+				if len(matches) == 3 {
+					lyrics.Metadata[matches[1]] = strings.TrimSpace(matches[2])
+				}
+			}
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		return Lyrics{}, err
+	}
+
+	return lyrics, nil
+}
+
+func saveLyrics(filePath string, lyrics Lyrics) error {
+	file, err := os.Create(filePath)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	// Write metadata
+	for key, value := range lyrics.Metadata {
+		fmt.Fprintf(file, "[%s: %s]\n", key, value)
+	}
+
+	// Write timeline and content
+	for i := 0; i < len(lyrics.Timeline); i++ {
+		fmt.Fprintf(file, "%s %s\n", timestampToString(lyrics.Timeline[i]), lyrics.Content[i])
+	}
+
+	return nil
+}
+
+func syncLyrics(args []string) {
+	if len(args) < 2 {
+		fmt.Println(SYNC_USAGE)
+		return
+	}
+
+	sourceFile := args[0]
+	targetFile := args[1]
+
+	sourceLyrics, err := parseLyrics(sourceFile)
+	if err != nil {
+		fmt.Println("Error parsing source lyrics file:", err)
+		return
+	}
+
+	targetLyrics, err := parseLyrics(targetFile)
+	if err != nil {
+		fmt.Println("Error parsing target lyrics file:", err)
+		return
+	}
+
+	minLength := len(sourceLyrics.Timeline)
+	if len(targetLyrics.Timeline) < minLength {
+		minLength = len(targetLyrics.Timeline)
+		fmt.Printf("Warning: Timeline length mismatch. Source: %d lines, Target: %d lines. Will sync the first %d lines.\n",
+			len(sourceLyrics.Timeline), len(targetLyrics.Timeline), minLength)
+	}
+
+	// Sync the timeline
+	for i := 0; i < minLength; i++ {
+		targetLyrics.Timeline[i] = sourceLyrics.Timeline[i]
+	}
+
+	// save to target, name it as "<filename>_synced.lrc"
+	targetFileName := strings.TrimSuffix(targetFile, ".lrc") + "_synced.lrc"
+	err = saveLyrics(targetFileName, targetLyrics)
+	if err != nil {
+		fmt.Println("Error saving synced lyrics file:", err)
+		return
+	}
+}
+
+func convertLyrics(sourceFile, targetFile, targetFmt string) {
+	switch targetFmt {
+	case "txt":
+		lrcToTxt(sourceFile, targetFile)
+	case "srt":
+		lrcToSrt(sourceFile, targetFile)
+	default:
+		fmt.Printf("unsupported target format: %s\n", targetFmt)
+	}
+}
+
+func fmtLyrics(args []string) {
+	if len(args) < 1 {
+		fmt.Println("Usage: lyc-cli fmt <source>")
+		return
+	}
+
+	sourceFile := args[0]
+
+	sourceLyrics, err := parseLyrics(sourceFile)
+	if err != nil {
+		fmt.Println("Error parsing source lyrics file:", err)
+		return
+	}
+
+	// save to target (source_name_fmt.lrc)
+	targetFile := strings.TrimSuffix(sourceFile, ".lrc") + "_fmt.lrc"
+	err = saveLyrics(targetFile, sourceLyrics)
+	if err != nil {
+		fmt.Println("Error saving formatted lyrics file:", err)
+		return
+	}
+}
+
+func timestampToString(ts Timestamp) string {
+	if ts.Hours > 0 {
+		return fmt.Sprintf("[%02d:%02d:%02d.%03d]", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds)
+	}
+	return fmt.Sprintf("[%02d:%02d.%03d]", ts.Minutes, ts.Seconds, ts.Milliseconds)
+}

main.go

@@ -14,6 +14,12 @@ func main() {
 	switch os.Args[1] {
 	case "sync":
 		syncLyrics(os.Args[2:])
+	case "convert":
+		convert(os.Args[2:])
+	case "fmt":
+		fmtLyrics(os.Args[2:])
+	case "version":
+		fmt.Printf("sub-cli version %s\n", VERSION)
 	case "help":
 		fmt.Println(USAGE)
 	default:

model.go

@@ -1,14 +1,39 @@
 package main
 
+type Timestamp struct {
+	Hours        int
+	Minutes      int
+	Seconds      int
+	Milliseconds int
+}
+
 type Lyrics struct {
 	Metadata map[string]string
-	Timeline []string
+	Timeline []Timestamp
 	Content  []string
 }
 
-const USAGE = `Usage: lyc-cli [command] [options]
+type SRTEntry struct {
-Commands:
+	Number    int
-  sync	Synchronize timeline of two lyrics files
+	StartTime Timestamp
-  help	Show help`
+	EndTime   Timestamp
+	Content   string
+}
 
-const SYNC_USAGE = `Usage: lyc-cli sync <source> <target>`
+const (
+	VERSION = "0.3.0"
+	USAGE   = `Usage: sub-cli [command] [options]
+  Commands:
+    sync	Synchronize timeline of two lyrics files
+    convert	Convert lyrics file to another format
+    fmt		Format lyrics file
+    help	Show help`
+
+	SYNC_USAGE    = `Usage: sub-cli sync <source> <target>`
+	CONVERT_USAGE = `Usage: sub-cli convert <source> <target>
+  Note:
+  Target format is determined by file extension. Supported formats:
+    .txt	Plain text format(No meta/timeline tags, only support as target format)
+    .srt	SubRip Subtitle format
+    .lrc	LRC format`
+)

srt.go

@@ -0,0 +1,120 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+)
+
+func parseSRT(filePath string) ([]SRTEntry, error) {
+	file, err := os.Open(filePath)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	var entries []SRTEntry
+	var currentEntry SRTEntry
+	var isContent bool
+	var contentBuffer strings.Builder
+
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+
+		if line == "" {
+			if currentEntry.Number != 0 {
+				currentEntry.Content = contentBuffer.String()
+				entries = append(entries, currentEntry)
+				currentEntry = SRTEntry{}
+				isContent = false
+				contentBuffer.Reset()
+			}
+			continue
+		}
+
+		if currentEntry.Number == 0 {
+			currentEntry.Number, _ = strconv.Atoi(line)
+		} else if isEntryTimeStampUnset(currentEntry) {
+			times := strings.Split(line, " --> ")
+			if len(times) == 2 {
+				currentEntry.StartTime = parseSRTTimestamp(times[0])
+				currentEntry.EndTime = parseSRTTimestamp(times[1])
+				isContent = true
+			}
+		} else if isContent {
+			if contentBuffer.Len() > 0 {
+				contentBuffer.WriteString("\n")
+			}
+			contentBuffer.WriteString(line)
+		}
+	}
+
+	if currentEntry.Number != 0 {
+		currentEntry.Content = contentBuffer.String()
+		entries = append(entries, currentEntry)
+	}
+
+	return entries, scanner.Err()
+}
+
+func isEntryTimeStampUnset(currentEntry SRTEntry) bool {
+	return currentEntry.StartTime.Hours == 0 && currentEntry.StartTime.Minutes == 0 &&
+		currentEntry.StartTime.Seconds == 0 && currentEntry.StartTime.Milliseconds == 0 &&
+		currentEntry.EndTime.Hours == 0 && currentEntry.EndTime.Minutes == 0 &&
+		currentEntry.EndTime.Seconds == 0 && currentEntry.EndTime.Milliseconds == 0
+}
+
+func convertSRT(sourceFile, targetFile, targetFmt string) {
+	switch targetFmt {
+	case "txt":
+		srtToTxt(sourceFile, targetFile)
+	case "lrc":
+		srtToLrc(sourceFile, targetFile)
+	default:
+		fmt.Printf("unsupported target format: %s\n", targetFmt)
+	}
+}
+
+func formatSRTTimestamp(ts Timestamp) string {
+	return fmt.Sprintf("%02d:%02d:%02d,%03d", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds)
+}
+
+func parseSRTTimestamp(timeStr string) Timestamp {
+	parts := strings.Split(timeStr, ",")
+	if len(parts) != 2 {
+		return Timestamp{}
+	}
+
+	timeParts := strings.Split(parts[0], ":")
+	if len(timeParts) != 3 {
+		return Timestamp{}
+	}
+
+	hours, _ := strconv.Atoi(timeParts[0])
+	minutes, _ := strconv.Atoi(timeParts[1])
+	seconds, _ := strconv.Atoi(timeParts[2])
+	milliseconds, _ := strconv.Atoi(parts[1])
+
+	return Timestamp{
+		Hours:        hours,
+		Minutes:      minutes,
+		Seconds:      seconds,
+		Milliseconds: milliseconds,
+	}
+}
+
+// basically for the last line of lrc
+func addSeconds(ts Timestamp, seconds int) Timestamp {
+	t := time.Date(0, 1, 1, ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds*1e6, time.UTC)
+	t = t.Add(time.Duration(seconds) * time.Second)
+	return Timestamp{
+		Hours:        t.Hour(),
+		Minutes:      t.Minute(),
+		Seconds:      t.Second(),
+		Milliseconds: t.Nanosecond() / 1e6,
+	}
+}

util.go

@@ -1,131 +0,0 @@
-package main
-
-import (
-	"bufio"
-	"fmt"
-	"os"
-	"regexp"
-	"strings"
-)
-
-func parseLyrics(filePath string) (Lyrics, error) {
-	file, err := os.Open(filePath)
-	if err != nil {
-		return Lyrics{}, err
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	lyrics := Lyrics{
-		Metadata: make(map[string]string),
-	}
-	timeLineRegex := regexp.MustCompile(`\[((\d+:)?\d+:\d+(\.\d+)?)\]`)
-	tagRegex := regexp.MustCompile(`\[(\w+):(.+)\]`)
-
-	for scanner.Scan() {
-		line := scanner.Text()
-		if strings.HasPrefix(line, "[") && strings.Contains(line, "]") {
-			if timeLineRegex.MatchString(line) {
-				// Timeline Tag
-				time := timeLineRegex.FindString(line)
-				lyrics.Timeline = append(lyrics.Timeline, time)
-				// Content
-				content := timeLineRegex.ReplaceAllString(line, "")
-				lyrics.Content = append(lyrics.Content, strings.TrimSpace(content))
-			} else {
-				// Metadata
-				matches := tagRegex.FindStringSubmatch(line)
-				if len(matches) == 3 {
-					lyrics.Metadata[matches[1]] = strings.TrimSpace(matches[2])
-				}
-			}
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		return Lyrics{}, err
-	}
-
-	return lyrics, nil
-}
-
-func syncLyrics(args []string) {
-	if len(args) < 2 {
-		fmt.Println(SYNC_USAGE)
-		return
-	}
-
-	sourceFile := args[0]
-	targetFile := args[1]
-
-	sourceLyrics, err := parseLyrics(sourceFile)
-	if err != nil {
-		fmt.Println("Error parsing source lyrics file:", err)
-		return
-	}
-
-	targetLyrics, err := parseLyrics(targetFile)
-	if err != nil {
-		fmt.Println("Error parsing target lyrics file:", err)
-		return
-	}
-
-	// Sync timeline
-	if len(sourceLyrics.Timeline) != len(targetLyrics.Timeline) {
-		fmt.Println("Warning: Timeline length mismatch")
-		return
-	}
-	minLength := len(sourceLyrics.Timeline)
-	if len(targetLyrics.Timeline) < minLength {
-		minLength = len(targetLyrics.Timeline)
-	}
-
-	for i := 0; i < minLength; i++ {
-		targetLyrics.Timeline[i] = sourceLyrics.Timeline[i]
-	}
-
-	// save to target, name it as "<filename>_synced.lrc"
-	targetFileName := strings.TrimSuffix(targetFile, ".lrc") + "_synced.lrc"
-	err = saveLyrics(targetFileName, targetLyrics)
-	if err != nil {
-		fmt.Println("Error saving synced lyrics file:", err)
-		return
-	}
-}
-
-// func printLyricsInfo(lyrics Lyrics) {
-// 	fmt.Println("Metadata:")
-// 	for key, value := range lyrics.Metadata {
-// 		fmt.Printf("%s: %s\n", key, value)
-// 	}
-
-// 	fmt.Println("\nTimeline:")
-// 	for _, time := range lyrics.Timeline {
-// 		fmt.Println(time)
-// 	}
-
-// 	fmt.Println("\nLyrics Content:")
-// 	for _, content := range lyrics.Content {
-// 		fmt.Println(content)
-// 	}
-// }
-
-func saveLyrics(filePath string, lyrics Lyrics) error {
-	file, err := os.Create(filePath)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	// Write metadata
-	for key, value := range lyrics.Metadata {
-		fmt.Fprintf(file, "[%s: %s]\n", key, value)
-	}
-
-	// Write timeline and content
-	for i := 0; i < len(lyrics.Timeline); i++ {
-		fmt.Fprintf(file, "%s %s\n", lyrics.Timeline[i], lyrics.Content[i])
-	}
-
-	return nil
-}