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ruby--ruby/enc/trans/iso2022.trans
naruse f8d97b0026 * enc/iso_2022_jp.h: add CP50220. 
* enc/trans/iso2022.trans: add converter for CP50220.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27860 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-05-17 06:28:16 +00:00

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#include "transcode_data.h"
<%
map = {
"1b2842" => :func_so, # designate US-ASCII to G0. "ESC ( B"
"1b284a" => :func_so, # designate JIS X 0201 latin to G0. "ESC ( J"
"1b2440" => :func_so, # designate JIS X 0208 1978 to G0. "ESC $ @"
"1b2442" => :func_so, # designate JIS X 0208 1983 to G0. "ESC $ B"
"{00-0d,10-1a,1c-7f}" => :func_si,
}
transcode_generate_node(ActionMap.parse(map), "iso2022jp_decoder")
map_jisx0208_rest = {
"{21-7e}" => :func_so
}
transcode_generate_node(ActionMap.parse(map_jisx0208_rest), "iso2022jp_decoder_jisx0208_rest")
map = {
"{00-0d,10-1a,1c-7f}" => :func_so,
"90{a1-fe}{a1-fe}" => :func_so,
"92{a1-fe}{a1-fe}" => :func_so,
}
transcode_generate_node(ActionMap.parse(map), "iso2022jp_encoder")
map = {
"{00-0d,10-1a,1c-7f}" => :nomap,
"90{a1-fe}{a1-fe}" => :func_so,
"92{a1-fe}{a1-fe}" => :func_so,
}
transcode_generate_node(ActionMap.parse(map), "stateless_iso2022jp_to_eucjp")
map = {
"{0e,0f,1b}" => :undef,
"{00-0d,10-1a,1c-7f}" => :nomap,
"{a1-fe}{a1-fe}" => :func_so,
"8e{a1-fe}" => :undef,
"8f{a1-fe}{a1-fe}" => :undef,
}
transcode_generate_node(ActionMap.parse(map), "eucjp_to_stateless_iso2022jp")
map = {
"1b2842" => :func_so, # designate US-ASCII to G0. "ESC ( B"
"1b2849" => :func_so, # designate JIS X 0201 katakana to G0. "ESC ( I"
"1b284a" => :func_so, # designate JIS X 0201 latin to G0. "ESC ( J"
"1b2440" => :func_so, # designate JIS X 0208 1978 to G0. "ESC $ @"
"1b2442" => :func_so, # designate JIS X 0208 1983 to G0. "ESC $ B"
"0e" => :func_so, # designate JIS X 0201 katakana to G0. "SO"
"0f" => :func_so, # designate US-ASCII to G0. "SI"
"{00-0d,10-1a,1c-92,a1-df}" => :func_si,
}
transcode_generate_node(ActionMap.parse(map), "cp50221_decoder")
map = {
"{0e,0f,1b}" => :undef,
"{00-0d,10-1a,1c-7f}" => :func_so,
"{a1-fe}{a1-fe}" => :func_so,
"8e{a1-fe}" => :func_so,
}
transcode_generate_node(ActionMap.parse(map), "cp50221_encoder")
%>
<%= transcode_generated_code %>
#define G0_ASCII 0
/* ignore JIS X 0201 latin */
#define G0_JISX0208_1978 1
#define G0_JISX0208_1983 2
#define G0_JISX0201_KATAKANA 3
#define EMACS_MULE_LEADING_CODE_JISX0208_1978 0220
#define EMACS_MULE_LEADING_CODE_JISX0208_1983 0222
static int
iso2022jp_init(void *statep)
{
unsigned char *sp = statep;
*sp = G0_ASCII;
return 0;
}
static VALUE
fun_si_iso2022jp_decoder(void *statep, const unsigned char *s, size_t l)
{
unsigned char *sp = statep;
if (*sp == G0_ASCII)
return (VALUE)NOMAP;
else if (0x21 <= s[0] && s[0] <= 0x7e)
return (VALUE)iso2022jp_decoder_jisx0208_rest;
else
return (VALUE)INVALID;
}
static ssize_t
fun_so_iso2022jp_decoder(void *statep, const unsigned char *s, size_t l, unsigned char* o, size_t osize)
{
unsigned char *sp = statep;
if (s[0] == 0x1b) {
if (s[1] == '(') {
switch (s[l-1]) {
case 'B':
case 'J':
*sp = G0_ASCII;
break;
}
}
else {
switch (s[l-1]) {
case '@':
*sp = G0_JISX0208_1978;
break;
case 'B':
*sp = G0_JISX0208_1983;
break;
}
}
return 0;
}
else {
if (*sp == G0_JISX0208_1978)
o[0] = EMACS_MULE_LEADING_CODE_JISX0208_1978;
else
o[0] = EMACS_MULE_LEADING_CODE_JISX0208_1983;
o[1] = s[0] | 0x80;
o[2] = s[1] | 0x80;
return 3;
}
}
static const rb_transcoder
rb_iso2022jp_decoder = {
"ISO-2022-JP", "stateless-ISO-2022-JP", iso2022jp_decoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
3, /* max_output */
asciicompat_decoder, /* asciicompat_type */
1, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, fun_si_iso2022jp_decoder, NULL, fun_so_iso2022jp_decoder
};
static ssize_t
fun_so_iso2022jp_encoder(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
unsigned char *output0 = o;
int newstate;
if (l == 1)
newstate = G0_ASCII;
else if (s[0] == EMACS_MULE_LEADING_CODE_JISX0208_1978)
newstate = G0_JISX0208_1978;
else
newstate = G0_JISX0208_1983;
if (*sp != newstate) {
if (newstate == G0_ASCII) {
*o++ = 0x1b;
*o++ = '(';
*o++ = 'B';
}
else if (newstate == G0_JISX0208_1978) {
*o++ = 0x1b;
*o++ = '$';
*o++ = '@';
}
else {
*o++ = 0x1b;
*o++ = '$';
*o++ = 'B';
}
*sp = newstate;
}
if (l == 1) {
*o++ = s[0] & 0x7f;
}
else {
*o++ = s[1] & 0x7f;
*o++ = s[2] & 0x7f;
}
return o - output0;
}
static ssize_t
iso2022jp_encoder_reset_sequence_size(void *statep)
{
unsigned char *sp = statep;
if (*sp != G0_ASCII)
return 3;
return 0;
}
static ssize_t
finish_iso2022jp_encoder(void *statep, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
unsigned char *output0 = o;
if (*sp == G0_ASCII)
return 0;
*o++ = 0x1b;
*o++ = '(';
*o++ = 'B';
*sp = G0_ASCII;
return o - output0;
}
static const rb_transcoder
rb_iso2022jp_encoder = {
"stateless-ISO-2022-JP", "ISO-2022-JP", iso2022jp_encoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
5, /* max_output */
asciicompat_encoder, /* asciicompat_type */
1, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_iso2022jp_encoder,
finish_iso2022jp_encoder,
iso2022jp_encoder_reset_sequence_size, finish_iso2022jp_encoder
};
static ssize_t
fun_so_stateless_iso2022jp_to_eucjp(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
o[0] = s[1];
o[1] = s[2];
return 2;
}
static const rb_transcoder
rb_stateless_iso2022jp_to_eucjp = {
"stateless-ISO-2022-JP", "EUC-JP", stateless_iso2022jp_to_eucjp,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
2, /* max_output */
asciicompat_converter, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_stateless_iso2022jp_to_eucjp,
};
static ssize_t
fun_so_eucjp_to_stateless_iso2022jp(void *statep, const unsigned char *s, size_t l, unsigned char *o, size_t osize)
{
o[0] = EMACS_MULE_LEADING_CODE_JISX0208_1983;
o[1] = s[0];
o[2] = s[1];
return 3;
}
static const rb_transcoder
rb_eucjp_to_stateless_iso2022jp = {
"EUC-JP", "stateless-ISO-2022-JP", eucjp_to_stateless_iso2022jp,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
3, /* max_output */
asciicompat_converter, /* asciicompat_type */
0, NULL, NULL, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_eucjp_to_stateless_iso2022jp,
};
static VALUE
fun_si_cp50221_decoder(void *statep, const unsigned char *s, size_t l)
{
unsigned char *sp = statep;
int c;
switch (*sp) {
case G0_ASCII:
if (0xA1 <= s[0] && s[0] <= 0xDF)
return (VALUE)FUNso;
return (VALUE)NOMAP;
case G0_JISX0201_KATAKANA:
c = s[0] & 0x7F;
if (0x21 <= c && c <= 0x5f)
return (VALUE)FUNso;
break;
case G0_JISX0208_1978:
if ((0x21 <= s[0] && s[0] <= 0x28) || (0x30 <= s[0] && s[0] <= 0x74))
return (VALUE)iso2022jp_decoder_jisx0208_rest;
break;
case G0_JISX0208_1983:
if ((0x21 <= s[0] && s[0] <= 0x28) ||
s[0] == 0x2D ||
(0x30 <= s[0] && s[0] <= 0x74) ||
(0x79 <= s[0] && s[0] <= 0x7C))
/* 0x7F <= s[0] && s[0] <= 0x92) */
return (VALUE)iso2022jp_decoder_jisx0208_rest;
break;
}
return (VALUE)INVALID;
}
static ssize_t
fun_so_cp50221_decoder(void *statep, const unsigned char *s, size_t l, unsigned char* o, size_t osize)
{
unsigned char *sp = statep;
switch (s[0]) {
case 0x1b:
if (s[1] == '(') {
switch (s[l-1]) {
case 'B':
case 'J':
*sp = G0_ASCII;
break;
case 'I':
*sp = G0_JISX0201_KATAKANA;
break;
}
}
else {
switch (s[l-1]) {
case '@':
*sp = G0_JISX0208_1978;
break;
case 'B':
*sp = G0_JISX0208_1983;
break;
}
}
return 0;
case 0x0E:
*sp = G0_JISX0201_KATAKANA;
return 0;
case 0x0F:
*sp = G0_ASCII;
return 0;
default:
if (*sp == G0_JISX0201_KATAKANA ||
(0xA1 <= s[0] && s[0] <= 0xDF && *sp == G0_ASCII)) {
o[0] = 0x8E;
o[1] = s[0] | 0x80;
}
/* else if (0x7F == s[0] && s[0] <= 0x88) { */
/* User Defined Characters */
/* o[n++] = s[0] | 0xE0; */
/* o[n++] = s[1] | 0x80; */
/* else if (0x89 <= s[0] && s[0] <= 0x92) { */
/* User Defined Characters 2 */
/* o[n++] = 0x8f; */
/* o[n++] = s[0] + 0x6C; */
/* o[n++] = s[1] | 0x80; */
/* } */
else {
/* JIS X 0208 */
/* NEC Special Characters */
/* NEC-selected IBM extended Characters */
o[0] = s[0] | 0x80;
o[1] = s[1] | 0x80;
}
return 2;
}
}
static const rb_transcoder
rb_cp50220_decoder = {
"CP50220", "cp51932", cp50221_decoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
3, /* max_output */
asciicompat_decoder, /* asciicompat_type */
1, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, fun_si_cp50221_decoder, NULL, fun_so_cp50221_decoder
};
static const rb_transcoder
rb_cp50221_decoder = {
"CP50221", "cp51932", cp50221_decoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
3, /* max_output */
asciicompat_decoder, /* asciicompat_type */
1, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, fun_si_cp50221_decoder, NULL, fun_so_cp50221_decoder
};
static ssize_t
fun_so_cp5022x_encoder(void *statep, const unsigned char *s, size_t l,
unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
unsigned char *output0 = o;
int newstate;
if (l == 1)
newstate = G0_ASCII;
else if (s[0] == 0x8E) {
s++;
l = 1;
newstate = G0_JISX0201_KATAKANA;
}
else
newstate = G0_JISX0208_1983;
if (*sp != newstate) {
if (newstate == G0_ASCII) {
*o++ = 0x1b;
*o++ = '(';
*o++ = 'B';
}
else if (newstate == G0_JISX0201_KATAKANA) {
*o++ = 0x1b;
*o++ = '(';
*o++ = 'I';
}
else {
*o++ = 0x1b;
*o++ = '$';
*o++ = 'B';
}
*sp = newstate;
}
if (l == 1) {
*o++ = s[0] & 0x7f;
}
else {
*o++ = s[0] & 0x7f;
*o++ = s[1] & 0x7f;
}
return o - output0;
}
static const rb_transcoder
rb_cp50221_encoder = {
"CP51932", "CP50221", cp50221_encoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
5, /* max_output */
asciicompat_encoder, /* asciicompat_type */
1, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_cp5022x_encoder,
finish_iso2022jp_encoder,
iso2022jp_encoder_reset_sequence_size, finish_iso2022jp_encoder
};
static const char *tbl0208 =
"\x21\x23\x21\x56\x21\x57\x21\x22\x21\x26\x25\x72\x25\x21\x25\x23" \
"\x25\x25\x25\x27\x25\x29\x25\x63\x25\x65\x25\x67\x25\x43\x21\x3C" \
"\x25\x22\x25\x24\x25\x26\x25\x28\x25\x2A\x25\x2B\x25\x2D\x25\x2F" \
"\x25\x31\x25\x33\x25\x35\x25\x37\x25\x39\x25\x3B\x25\x3D\x25\x3F" \
"\x25\x41\x25\x44\x25\x46\x25\x48\x25\x4A\x25\x4B\x25\x4C\x25\x4D" \
"\x25\x4E\x25\x4F\x25\x52\x25\x55\x25\x58\x25\x5B\x25\x5E\x25\x5F" \
"\x25\x60\x25\x61\x25\x62\x25\x64\x25\x66\x25\x68\x25\x69\x25\x6A" \
"\x25\x6B\x25\x6C\x25\x6D\x25\x6F\x25\x73\x21\x2B\x21\x2C";
static ssize_t
fun_so_cp50220_encoder(void *statep, const unsigned char *s, size_t l,
unsigned char *o, size_t osize)
{
unsigned char *output0 = o;
unsigned char *sp = statep;
if (sp[0] == G0_JISX0201_KATAKANA) {
int c = sp[2] & 0x7F;
const char *p = tbl0208 + (c - 0x21) * 2;
if (sp[1] != G0_JISX0208_1983) {
*o++ = 0x1b;
*o++ = '$';
*o++ = 'B';
}
sp[0] = G0_JISX0208_1983;
*o++ = *p++;
if (l == 2 && s[0] == 0x8E) {
if (s[1] == 0xDE) {
*o++ = *p + 1;
return o - output0;
}
else if (s[1] == 0xDF && (0x4A <= c && c <= 0x4E)) {
*o++ = *p + 2;
return o - output0;
}
}
*o++ = *p;
}
if (l == 2 && s[0] == 0x8E) {
const char *p = tbl0208 + (s[1] - 0xA1) * 2;
if ((0xA1 <= s[1] && s[1] <= 0xB5) ||
(0xC5 <= s[1] && s[1] <= 0xC9) ||
(0xCF <= s[1] && s[1] <= 0xDF)) {
if (*sp != G0_JISX0208_1983) {
*o++ = 0x1b;
*o++ = '$';
*o++ = 'B';
*sp = G0_JISX0208_1983;
}
*o++ = *p++;
*o++ = *p;
return o - output0;
}
sp[2] = s[1];
sp[1] = sp[0];
sp[0] = G0_JISX0201_KATAKANA;
return o - output0;
}
o += fun_so_cp5022x_encoder(statep, s, l, o, osize);
return o - output0;
}
static ssize_t
finish_cp50220_encoder(void *statep, unsigned char *o, size_t osize)
{
unsigned char *sp = statep;
unsigned char *output0 = o;
if (*sp == G0_ASCII)
return 0;
if (sp[0] == G0_JISX0201_KATAKANA) {
int c = sp[2] & 0x7F;
const char *p = tbl0208 + (c - 0x21) * 2;
if (sp[1] != G0_JISX0208_1983) {
*o++ = 0x1b;
*o++ = '$';
*o++ = 'B';
}
sp[0] = G0_JISX0208_1983;
*o++ = *p++;
*o++ = *p;
}
*o++ = 0x1b;
*o++ = '(';
*o++ = 'B';
*sp = G0_ASCII;
return o - output0;
}
static const rb_transcoder
rb_cp50220_encoder = {
"CP51932", "CP50220", cp50221_encoder,
TRANSCODE_TABLE_INFO,
1, /* input_unit_length */
3, /* max_input */
5, /* max_output */
asciicompat_encoder, /* asciicompat_type */
3, iso2022jp_init, iso2022jp_init, /* state_size, state_init, state_fini */
NULL, NULL, NULL, fun_so_cp50220_encoder,
finish_cp50220_encoder,
iso2022jp_encoder_reset_sequence_size, finish_cp50220_encoder
};
void
Init_iso2022(void)
{
rb_register_transcoder(&rb_iso2022jp_decoder);
rb_register_transcoder(&rb_iso2022jp_encoder);
rb_register_transcoder(&rb_stateless_iso2022jp_to_eucjp);
rb_register_transcoder(&rb_eucjp_to_stateless_iso2022jp);
rb_register_transcoder(&rb_cp50220_decoder);
rb_register_transcoder(&rb_cp50221_decoder);
rb_register_transcoder(&rb_cp50220_encoder);
rb_register_transcoder(&rb_cp50221_encoder);
}
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