init commit

core/util.go

@@ -0,0 +1,31 @@
+package core
+
+import (
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+func itoa(n int) string {
+	return strconv.Itoa(n)
+}
+
+func hasPrefix(s, prefix string) bool {
+	return strings.HasPrefix(strings.ToLower(s), strings.ToLower(prefix))
+}
+
+func lastIndexOf(s string, ch byte) int {
+	return strings.LastIndexByte(s, ch)
+}
+
+func splitAt(s string, ch byte) []string {
+	idx := strings.IndexByte(s, ch)
+	if idx < 0 {
+		return []string{s}
+	}
+	return []string{s[:idx], s[idx+1:]}
+}
+
+func urlUnescape(s string) (string, error) {
+	return url.PathUnescape(s)
+}