From 04b07b3715a815f0140d870fb88a6822f06cf5cb Mon Sep 17 00:00:00 2001
From: Thomas Voss <mail@thomasvoss.com>
Date: Sat, 28 Oct 2023 02:23:11 +0200
Subject: Allow for true HTML ID- and class shorthands

---
 parser/parser.go | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

(limited to 'parser/parser.go')

diff --git a/parser/parser.go b/parser/parser.go
index 648cfe7..b333506 100644
--- a/parser/parser.go
+++ b/parser/parser.go
@@ -255,7 +255,7 @@ loop:
 				return nil, err
 			}
 
-			if s, err := reader.parseNodeName(); err != nil {
+			if s, err := reader.parseShorthand(); err != nil {
 				return nil, err
 			} else {
 				attr.Value = s
@@ -298,6 +298,33 @@ loop:
 	return attrs, nil
 }
 
+// parseShorthand parses an ID- or class shorthand value.
+func (reader *reader) parseShorthand() (string, error) {
+	sb := strings.Builder{}
+
+	for {
+		r, err := reader.readRune()
+		if err != nil {
+			return "", err
+		}
+
+		if unicode.IsSpace(r) {
+			break
+		}
+		sb.WriteRune(r)
+	}
+
+	s := sb.String()
+	if len(s) == 0 {
+		return "", invalidSyntax{
+			pos:      reader.pos,
+			expected: "id- or class name",
+			found:    "no value",
+		}
+	}
+	return s, nil
+}
+
 // parseString parses the double quoted strings used as attribute values.
 func (reader *reader) parseString() (string, error) {
 	sb := strings.Builder{}
-- 
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