98 lines
2.3 KiB
Go
98 lines
2.3 KiB
Go
package ass
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import (
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"sub-cli/internal/model"
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)
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// parseFormatLine 解析格式行中的各个字段
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func parseFormatLine(formatStr string) []string {
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fields := strings.Split(formatStr, ",")
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result := make([]string, 0, len(fields))
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for _, field := range fields {
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result = append(result, strings.TrimSpace(field))
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}
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return result
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}
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// parseStyleLine 解析样式行
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func parseStyleLine(line string) []string {
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// 去掉"Style:"前缀
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styleStr := strings.TrimPrefix(line, "Style:")
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return splitCSV(styleStr)
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}
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// parseEventLine 解析事件行
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func parseEventLine(line string) []string {
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return splitCSV(line)
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}
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// splitCSV 拆分CSV格式的字符串，但保留Text字段中的逗号
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func splitCSV(line string) []string {
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var result []string
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inText := false
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current := ""
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for _, char := range line {
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if char == ',' && !inText {
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result = append(result, strings.TrimSpace(current))
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current = ""
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} else {
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current += string(char)
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// 这是个简化处理，实际ASS格式更复杂
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// 当处理到足够数量的字段后，剩余部分都当作Text字段
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if len(result) >= 9 {
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inText = true
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}
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}
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}
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if current != "" {
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result = append(result, strings.TrimSpace(current))
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}
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return result
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}
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// parseASSTimestamp 解析ASS格式的时间戳 (h:mm:ss.cc)
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func parseASSTimestamp(timeStr string) model.Timestamp {
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// 匹配 h:mm:ss.cc 格式
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re := regexp.MustCompile(`(\d+):(\d+):(\d+)\.(\d+)`)
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matches := re.FindStringSubmatch(timeStr)
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if len(matches) == 5 {
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hours, _ := strconv.Atoi(matches[1])
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minutes, _ := strconv.Atoi(matches[2])
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seconds, _ := strconv.Atoi(matches[3])
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// ASS使用厘秒（1/100秒），需要转换为毫秒
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centiseconds, _ := strconv.Atoi(matches[4])
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milliseconds := centiseconds * 10
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return model.Timestamp{
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Hours: hours,
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Minutes: minutes,
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Seconds: seconds,
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Milliseconds: milliseconds,
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}
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}
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// 返回零时间戳，如果解析失败
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return model.Timestamp{}
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}
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// formatASSTimestamp 格式化为ASS格式的时间戳 (h:mm:ss.cc)
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func formatASSTimestamp(timestamp model.Timestamp) string {
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// ASS使用厘秒（1/100秒）
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centiseconds := timestamp.Milliseconds / 10
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return fmt.Sprintf("%d:%02d:%02d.%02d",
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timestamp.Hours,
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timestamp.Minutes,
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timestamp.Seconds,
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centiseconds)
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}
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