vendor HEAD main

1 files changed, 43 insertions, 0 deletions

diff --git a/vendor/go.mau.fi/util/glob/regex.go b/vendor/go.mau.fi/util/glob/regex.go
new file mode 100644
index 0000000..f224533
--- /dev/null
+++ b/vendor/go.mau.fi/util/glob/regex.go
@@ -0,0 +1,43 @@
+package glob
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+type RegexGlob struct {
+	regex *regexp.Regexp
+}
+
+func (rg *RegexGlob) Match(s string) bool {
+	return rg.regex.MatchString(s)
+}
+
+func CompileRegex(pattern string) (*RegexGlob, error) {
+	var buf strings.Builder
+	buf.WriteRune('^')
+	for _, part := range SplitPattern(pattern) {
+		if strings.ContainsRune(part, '*') || strings.ContainsRune(part, '?') {
+			questions := strings.Count(part, "?")
+			star := strings.ContainsRune(part, '*')
+			if star {
+				if questions > 0 {
+					_, _ = fmt.Fprintf(&buf, ".{%d,}", questions)
+				} else {
+					buf.WriteString(".*")
+				}
+			} else if questions > 0 {
+				_, _ = fmt.Fprintf(&buf, ".{%d}", questions)
+			}
+		} else {
+			buf.WriteString(regexp.QuoteMeta(part))
+		}
+	}
+	buf.WriteRune('$')
+	regex, err := regexp.Compile(buf.String())
+	if err != nil {
+		return nil, err
+	}
+	return &RegexGlob{regex}, nil
+}