// emitQuotedToken transmits the quoted-string value from <name>=<value>
func emitQuotedToken(l *lexrec.Lexer, t lexrec.ItemType) {
if !l.Accept("=") {
l.Errorf("emitQuotedToken: expected '=' after '%s', got %q'", itemName(t), l.Peek())
return
}
l.Skip()
if !lexrec.Quote(l, t, true) {
l.Errorf("emitToken: expected a quoted string after '%s=', got %q", itemName(t), l.Peek())
}
}
// ignoreToken skips past <name>=<value>, where the value may be a
// token or a quoted-string.
func ignoreToken(l *lexrec.Lexer) {
p := string(l.Bytes())
l.Skip()
if !l.Accept("=") {
l.Errorf("ignoreToken: after '%s' expected '=', got %q'", p, l.Peek())
return
} else {
l.Skip()
}
if l.Peek() == '"' {
if lexrec.Quote(l, ItemAuthParam, false) {
l.Skip()
}
} else {
if l.ExceptRun(nontoken) {
l.Skip()
} else {
l.Errorf("ignoreToken: expected a token character, got %q", l.Peek())
}
}
}
// advanceChallenge skips over an unrecognized WWW-Authenticate challenge.
func advanceChallenge(l *lexrec.Lexer) {
if l.AcceptRun(whitespace) {
l.Skip()
}
expectParam := true
for expectParam {
if l.ExceptRun(nontoken) {
r := l.Peek()
if r == '=' {
l.Accept("=")
l.Skip()
if l.Peek() == '"' {
if lexrec.Quote(l, ItemAuthParam, false) {
l.Skip()
}
} else {
if l.ExceptRun(nontoken) {
l.Skip()
} else {
l.Errorf("advanceChallenge: expected a token character, got %q", l.Peek())
}
}
} else if isSpace(r) {
return
} else {
l.Errorf("advanceChallenge: expected either whitespace or '=', got %q", l.Peek())
return
}
expectParam = advanceParam(l)
} else {
return
}
}
}