return DoctypeToken
}
+// startTagIn returns whether the start tag in z.buf[z.data.start:z.data.end]
+// case-insensitively matches any element of ss.
+func (z *Tokenizer) startTagIn(ss ...string) bool {
+loop:
+ for _, s := range ss {
+ if z.data.end-z.data.start != len(s) {
+ continue loop
+ }
+ for i := 0; i < len(s); i++ {
+ c := z.buf[z.data.start+i]
+ if 'A' <= c && c <= 'Z' {
+ c += 'a' - 'A'
+ }
+ if c != s[i] {
+ continue loop
+ }
+ }
+ return true
+ }
+ return false
+}
+
// readStartTag reads the next start tag token. The opening "<a" has already
// been consumed, where 'a' means anything in [A-Za-z].
func (z *Tokenizer) readStartTag() TokenType {
}
}
// Several tags flag the tokenizer's next token as raw.
- // The tag name lengths of these special cases ranges in [3, 9].
- if x := z.data.end - z.data.start; 3 <= x && x <= 9 {
- switch z.buf[z.data.start] {
- case 'i', 'n', 'p', 's', 't', 'x', 'I', 'N', 'P', 'S', 'T', 'X':
- switch s := strings.ToLower(string(z.buf[z.data.start:z.data.end])); s {
- case "iframe", "noembed", "noframes", "noscript", "plaintext", "script", "style", "textarea", "title", "xmp":
- z.rawTag = s
- }
- }
+ c, raw := z.buf[z.data.start], false
+ if 'A' <= c && c <= 'Z' {
+ c += 'a' - 'A'
+ }
+ switch c {
+ case 'i':
+ raw = z.startTagIn("iframe")
+ case 'n':
+ raw = z.startTagIn("noembed", "noframes", "noscript")
+ case 'p':
+ raw = z.startTagIn("plaintext")
+ case 's':
+ raw = z.startTagIn("script", "style")
+ case 't':
+ raw = z.startTagIn("textarea", "title")
+ case 'x':
+ raw = z.startTagIn("xmp")
+ }
+ if raw {
+ z.rawTag = strings.ToLower(string(z.buf[z.data.start:z.data.end]))
}
// Look for a self-closing token like "<br/>".
if z.err == nil && z.buf[z.raw.end-2] == '/' {