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package json
// Transition functions for recognizing single-quoted strings.
// Adapted from encoding/json/scanner.go.
// stateInSingleQuotedString is the state after reading `'`.
func stateInSingleQuotedString(s *scanner, c int) int {
if c == '\'' {
s.step = stateEndValue
return scanContinue
}
if c == '\\' {
s.step = stateInSingleQuotedStringEsc
return scanContinue
}
if c < 0x20 {
return s.error(c, "in string literal")
}
return scanContinue
}
// stateInSingleQuotedStringEsc is the state after reading `'\` during a quoted string.
func stateInSingleQuotedStringEsc(s *scanner, c int) int {
switch c {
case 'b', 'f', 'n', 'r', 't', '\\', '/', '\'':
s.step = stateInSingleQuotedString
return scanContinue
}
if c == 'u' {
s.step = stateInSingleQuotedStringEscU
return scanContinue
}
return s.error(c, "in string escape code")
}
// stateInSingleQuotedStringEscU is the state after reading `'\u` during a quoted string.
func stateInSingleQuotedStringEscU(s *scanner, c int) int {
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
s.step = stateInSingleQuotedStringEscU1
return scanContinue
}
// numbers
return s.error(c, "in \\u hexadecimal character escape")
}
// stateInSingleQuotedStringEscU1 is the state after reading `'\u1` during a quoted string.
func stateInSingleQuotedStringEscU1(s *scanner, c int) int {
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
s.step = stateInSingleQuotedStringEscU12
return scanContinue
}
// numbers
return s.error(c, "in \\u hexadecimal character escape")
}
// stateInSingleQuotedStringEscU12 is the state after reading `'\u12` during a quoted string.
func stateInSingleQuotedStringEscU12(s *scanner, c int) int {
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
s.step = stateInSingleQuotedStringEscU123
return scanContinue
}
// numbers
return s.error(c, "in \\u hexadecimal character escape")
}
// stateInSingleQuotedStringEscU123 is the state after reading `'\u123` during a quoted string.
func stateInSingleQuotedStringEscU123(s *scanner, c int) int {
if '0' <= c && c <= '9' || 'a' <= c && c <= 'f' || 'A' <= c && c <= 'F' {
s.step = stateInSingleQuotedString
return scanContinue
}
// numbers
return s.error(c, "in \\u hexadecimal character escape")
}
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