add java cataloger

internal/file/glob_match.go

@@ -0,0 +1,45 @@
+package file
+
+// Source: https://research.swtch.com/glob.go
+func GlobMatch(pattern, name string) bool {
+	px := 0
+	nx := 0
+	nextPx := 0
+	nextNx := 0
+	for px < len(pattern) || nx < len(name) {
+		if px < len(pattern) {
+			c := pattern[px]
+			switch c {
+			default: // ordinary character
+				if nx < len(name) && name[nx] == c {
+					px++
+					nx++
+					continue
+				}
+			case '?': // single-character wildcard
+				if nx < len(name) {
+					px++
+					nx++
+					continue
+				}
+			case '*': // zero-or-more-character wildcard
+				// Try to match at nx.
+				// If that doesn't work out,
+				// restart at nx+1 next.
+				nextPx = px
+				nextNx = nx + 1
+				px++
+				continue
+			}
+		}
+		// Mismatch. Maybe restart.
+		if 0 < nextNx && nextNx <= len(name) {
+			px = nextPx
+			nx = nextNx
+			continue
+		}
+		return false
+	}
+	// Matched all of pattern to all of name. Success.
+	return true
+}