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package mahonia
// Converters for ASCII and ISO-8859-1
func init() {
for i := 0; i < len(asciiCharsets); i++ {
RegisterCharset(&asciiCharsets[i])
}
}
var asciiCharsets = []Charset{
{
Name: "US-ASCII",
NewDecoder: func() Decoder { return decodeASCIIRune },
NewEncoder: func() Encoder { return encodeASCIIRune },
Aliases: []string{"ASCII", "US", "ISO646-US", "IBM367", "cp367", "ANSI_X3.4-1968", "iso-ir-6", "ANSI_X3.4-1986", "ISO_646.irv:1991", "csASCII"},
},
{
Name: "ISO-8859-1",
NewDecoder: func() Decoder { return decodeLatin1Rune },
NewEncoder: func() Encoder { return encodeLatin1Rune },
Aliases: []string{"latin1", "ISO Latin 1", "IBM819", "cp819", "ISO_8859-1:1987", "iso-ir-100", "l1", "csISOLatin1"},
},
}
func decodeASCIIRune(p []byte) (c rune, size int, status Status) {
if len(p) == 0 {
status = NO_ROOM
return
}
b := p[0]
if b > 127 {
return 0xfffd, 1, INVALID_CHAR
}
return rune(b), 1, SUCCESS
}
func encodeASCIIRune(p []byte, c rune) (size int, status Status) {
if len(p) == 0 {
status = NO_ROOM
return
}
if c < 128 {
p[0] = byte(c)
return 1, SUCCESS
}
p[0] = '?'
return 1, INVALID_CHAR
}
func decodeLatin1Rune(p []byte) (c rune, size int, status Status) {
if len(p) == 0 {
status = NO_ROOM
return
}
return rune(p[0]), 1, SUCCESS
}
func encodeLatin1Rune(p []byte, c rune) (size int, status Status) {
if len(p) == 0 {
status = NO_ROOM
return
}
if c < 256 {
p[0] = byte(c)
return 1, SUCCESS
}
p[0] = '?'
return 1, INVALID_CHAR
}
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