Update github.com/kurin/blazer

vendor/github.com/kurin/blazer/base/strings.go

@@ -15,67 +15,14 @@
 package base
 
 import (
-	"bytes"
-	"errors"
-	"fmt"
+	"net/url"
+	"strings"
 )
 
-func noEscape(c byte) bool {
-	switch c {
-	case '.', '_', '-', '/', '~', '!', '$', '\'', '(', ')', '*', ';', '=', ':', '@':
-		return true
-	}
-	return false
-}
-
 func escape(s string) string {
-	// cribbed from url.go, kinda
-	b := &bytes.Buffer{}
-	for i := 0; i < len(s); i++ {
-		switch c := s[i]; {
-		case c == '/':
-			b.WriteByte(c)
-		case 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9':
-			b.WriteByte(c)
-		case noEscape(c):
-			b.WriteByte(c)
-		default:
-			fmt.Fprintf(b, "%%%X", c)
-		}
-	}
-	return b.String()
+	return strings.Replace(url.QueryEscape(s), "%2F", "/", -1)
 }
 
 func unescape(s string) (string, error) {
-	b := &bytes.Buffer{}
-	for i := 0; i < len(s); i++ {
-		c := s[i]
-		switch c {
-		case '/':
-			b.WriteString("/")
-		case '+':
-			b.WriteString(" ")
-		case '%':
-			if len(s)-i < 3 {
-				return "", errors.New("unescape: bad encoding")
-			}
-			b.WriteByte(unhex(s[i+1])<<4 | unhex(s[i+2]))
-			i += 2
-		default:
-			b.WriteByte(c)
-		}
-	}
-	return b.String(), nil
-}
-
-func unhex(c byte) byte {
-	switch {
-	case '0' <= c && c <= '9':
-		return c - '0'
-	case 'a' <= c && c <= 'f':
-		return c - 'a' + 10
-	case 'A' <= c && c <= 'F':
-		return c - 'A' + 10
-	}
-	return 0
+	return url.QueryUnescape(s)
 }