56 lines
1.0 KiB
Go
56 lines
1.0 KiB
Go
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package activewindow
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import (
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"regexp"
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"strings"
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)
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func matchKeyword(text string, keywords []string) string {
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if text == "" {
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return ""
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}
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lower := strings.ToLower(text)
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for _, kw := range keywords {
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trimmed := strings.TrimSpace(kw)
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if trimmed == "" {
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continue
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}
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if strings.HasPrefix(trimmed, "/") {
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re, ok := parseRegexKeyword(trimmed)
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if ok && re.MatchString(text) {
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return kw
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}
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} else {
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if strings.Contains(lower, strings.ToLower(trimmed)) {
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return kw
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}
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}
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}
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return ""
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}
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func parseRegexKeyword(kw string) (*regexp.Regexp, bool) {
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if !strings.HasPrefix(kw, "/") {
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return nil, false
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}
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rest := kw[1:]
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lastSlash := strings.LastIndex(rest, "/")
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if lastSlash < 0 {
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return nil, false
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}
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pattern := rest[:lastSlash]
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flags := rest[lastSlash+1:]
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if pattern == "" {
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return nil, false
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}
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regexStr := pattern
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if strings.ContainsRune(flags, 'i') {
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regexStr = "(?i)" + pattern
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}
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re, err := regexp.Compile(regexStr)
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if err != nil {
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return nil, false
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}
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return re, true
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}
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