refactored

pkg/yqlib/matchKeyString.go

@@ -0,0 +1,34 @@
+package yqlib
+
+func Match(name string, pattern string) (matched bool) {
+	if pattern == "" {
+		return name == pattern
+	}
+	log.Debug("pattern: %v", pattern)
+	if pattern == "*" {
+		log.Debug("wild!")
+		return true
+	}
+	return deepMatch([]rune(name), []rune(pattern))
+}
+
+func deepMatch(str, pattern []rune) bool {
+	for len(pattern) > 0 {
+		switch pattern[0] {
+		default:
+			if len(str) == 0 || str[0] != pattern[0] {
+				return false
+			}
+		case '?':
+			if len(str) == 0 {
+				return false
+			}
+		case '*':
+			return deepMatch(str, pattern[1:]) ||
+				(len(str) > 0 && deepMatch(str[1:], pattern))
+		}
+		str = str[1:]
+		pattern = pattern[1:]
+	}
+	return len(str) == 0 && len(pattern) == 0
+}