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Mon Jan 21 19:42:42 2008 Martin Duerst <duerst@it.aoyama.ac.jp>

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* transcode.c, enc/trans/utf_16_32.c, test/ruby/test_transcode.rb:
	  added UTF-32BE and UTF-32LE conversions.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15156 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2008-01-21 10:41:59 +00:00
parent 282e828c59
commit 38321fc0eb
4 changed files with 450 additions and 60 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Mon Jan 21 19:42:42 2008 Martin Duerst <duerst@it.aoyama.ac.jp>
* transcode.c, enc/trans/utf_16_32.c, test/ruby/test_transcode.rb:
added UTF-32BE and UTF-32LE conversions.
Mon Jan 21 14:36:14 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> Mon Jan 21 14:36:14 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* transcode.c (str_transcode): initialize transcoder in * transcode.c (str_transcode): initialize transcoder in

444
enc/trans/utf_16_32.c
View File

@ -114,12 +114,82 @@ fun_so_to_utf_16le(const unsigned char* s, unsigned char* o)
return 4; return 4;
} }
} }
static int
fun_so_from_utf_32be(const unsigned char* s, unsigned char* o)
{
if (!s[1]) {
if (s[2]==0 && s[3]<0x80) {
o[0] = s[3];
return 1;
}
else if (s[2]<0x08) {
o[0] = 0xC0 | (s[2]<<2) | (s[3]>>6);
o[1] = 0x80 | s[3]&0x3F;
return 2;
}
else {
o[0] = 0xE0 | s[2]>>4;
o[1] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
o[2] = 0x80 | s[3]&0x3F;
return 3;
}
}
else {
o[0] = 0xF0 | (s[1]>>2);
o[1] = 0x80 | ((s[1]&0x03)<<4) | (s[2]>>4);
o[2] = 0x80 | ((s[2]&0x0F)<<2) | (s[3]>>6);
o[3] = 0x80 | s[3]&0x3F;
return 4;
}
}
static int
fun_so_to_utf_32be(const unsigned char* s, unsigned char* o)
{
o[0] = 0;
if (!(s[0]&0x80)) {
o[1] = o[2] = 0x00;
o[3] = s[0];
}
else if ((s[0]&0xE0)==0xC0) {
o[1] = 0x00;
o[2] = (s[0]>>2)&0x07;
o[3] = ((s[0]&0x03)<<6) | s[1]&0x3F;
}
else if ((s[0]&0xF0)==0xE0) {
o[1] = 0x00;
o[2] = (s[0]<<4) | (s[1]>>2)^0x20;
o[3] = (s[1]<<6) | s[2]^0x80;
}
else {
o[1] = ((s[0]&0x07)<<2) | (s[1]>>4)&0x03;
o[2] = ((s[1]&0x0F)<<4) | (s[2]>>2)&0x0F;
o[3] = ((s[2]&0x03)<<6) | s[3]&0x3F;
}
return 4;
}
static int
fun_so_from_utf_32le(const unsigned char* s, unsigned char* o)
{
return 1;
}
static int
fun_so_to_utf_32le(const unsigned char* s, unsigned char* o)
{
return 4;
}
static const unsigned char static const unsigned char
from_UTF_16BE_00_offsets[256] = { from_UTF_16BE_00_offsets[256] = {
/* used by from_UTF_16BE_00 */ /* used by from_UTF_16BE_00 */
/* used by from_UTF_32BE_00_00_D8 */
/* used by from_UTF_32BE_00_01 */
/* used by from_UTF_32BE_00_11 */
/* used by from_UTF_16BE_D8 */ /* used by from_UTF_16BE_D8 */
/* used by from_UTF_16BE_D8_00_00 */
/* used by from_UTF_16LE */ /* used by from_UTF_16LE */
/* used by from_UTF_32LE */
/* used by from_UTF_16LE_00_D8 */ /* used by from_UTF_16LE_00_D8 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -141,27 +211,35 @@ from_UTF_16BE_00_offsets[256] = {
static const struct byte_lookup* const static const struct byte_lookup* const
from_UTF_16BE_00_infos[1] = { from_UTF_16BE_00_infos[1] = {
/* used by from_UTF_16BE_00 */ /* used by from_UTF_16BE_00 */
/* used by to_UTF_16BE_82 */ /* used by to_UTF_32BE_82 */
FUNso, FUNso,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
from_UTF_16BE_00 = { from_UTF_16BE_00 = {
/* used as from_UTF_16BE */ /* used as from_UTF_16BE */
/* used as from_UTF_32BE_00_00 */
/* used as from_UTF_32BE_00_01 */
/* used as from_UTF_16BE_D8_00 */ /* used as from_UTF_16BE_D8_00 */
/* used as from_UTF_32LE_00_00 */
/* used as from_UTF_32LE_00_D8 */
from_UTF_16BE_00_offsets, from_UTF_16BE_00_offsets,
from_UTF_16BE_00_infos from_UTF_16BE_00_infos
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
from_UTF_16BE_D8_00_00_infos[1] = { from_UTF_32BE_00_00_D8_infos[1] = {
INVALID, INVALID,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
from_UTF_16BE_D8_00_00 = { from_UTF_32BE_00_00_D8 = {
/* used as from_UTF_32BE_00_00 */
/* used as from_UTF_32BE_00_11 */
/* used as from_UTF_16BE_D8_00 */ /* used as from_UTF_16BE_D8_00 */
/* used as from_UTF_16BE */ /* used as from_UTF_16BE */
/* used as from_UTF_32LE_00_00 */
/* used as from_UTF_32LE_00_D8 */
from_UTF_16BE_00_offsets, from_UTF_16BE_00_offsets,
from_UTF_16BE_D8_00_00_infos from_UTF_32BE_00_00_D8_infos
}; };
static const unsigned char static const unsigned char
@ -187,7 +265,9 @@ from_UTF_16BE_D8_00_offsets[256] = {
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
from_UTF_16BE_D8_00_infos[2] = { from_UTF_16BE_D8_00_infos[2] = {
&from_UTF_16BE_D8_00_00, &from_UTF_16BE_00, /* used by from_UTF_16BE_D8_00 */
/* used by from_UTF_32LE_00_D8 */
&from_UTF_32BE_00_00_D8, &from_UTF_16BE_00,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
from_UTF_16BE_D8_00 = { from_UTF_16BE_D8_00 = {
@ -229,7 +309,7 @@ from_UTF_16BE_offsets[256] = {
static const struct byte_lookup* const static const struct byte_lookup* const
from_UTF_16BE_infos[3] = { from_UTF_16BE_infos[3] = {
&from_UTF_16BE_00, &from_UTF_16BE_D8, &from_UTF_16BE_00, &from_UTF_16BE_D8,
&from_UTF_16BE_D8_00_00, &from_UTF_32BE_00_00_D8,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
from_UTF_16BE = { from_UTF_16BE = {
@ -244,133 +324,165 @@ rb_from_UTF_16BE = {
}; };
static const unsigned char static const unsigned char
to_UTF_16BE_82_offsets[64] = { to_UTF_32BE_82_offsets[64] = {
/* used by to_UTF_16BE_82 */ /* used by to_UTF_32BE_82 */
/* used by to_UTF_16BE_E1 */ /* used by to_UTF_32BE_E1 */
/* used by to_UTF_16BE_F1 */ /* used by to_UTF_32BE_F1 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_82 = { to_UTF_32BE_82 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_32BE_E0 */
/* used as to_UTF_16BE_E0 */ /* used as to_UTF_16BE_E0 */
/* used as to_UTF_16BE_E1 */ /* used as to_UTF_16BE_E1 */
/* used as to_UTF_32BE_E1 */
/* used as to_UTF_32BE_ED */
/* used as to_UTF_16BE_ED */ /* used as to_UTF_16BE_ED */
/* used as to_UTF_16BE_F0_90 */ /* used as to_UTF_16BE_F0_90 */
/* used as to_UTF_32BE_F0_90 */
/* used as to_UTF_16BE_F1_80 */ /* used as to_UTF_16BE_F1_80 */
/* used as to_UTF_32BE_F1_80 */
/* used as to_UTF_32BE_F4_80 */
/* used as to_UTF_16BE_F4_80 */ /* used as to_UTF_16BE_F4_80 */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
/* used as to_UTF_32LE */
/* used as to_UTF_16LE_E0 */ /* used as to_UTF_16LE_E0 */
/* used as to_UTF_32LE_E0 */
/* used as to_UTF_32LE_E1 */
/* used as to_UTF_16LE_E1 */ /* used as to_UTF_16LE_E1 */
/* used as to_UTF_32LE_ED */
/* used as to_UTF_16LE_ED */ /* used as to_UTF_16LE_ED */
/* used as to_UTF_16LE_F0_90 */ /* used as to_UTF_16LE_F0_90 */
/* used as to_UTF_32LE_F0_90 */
/* used as to_UTF_16LE_F1_80 */ /* used as to_UTF_16LE_F1_80 */
/* used as to_UTF_32LE_F1_80 */
/* used as to_UTF_16LE_F4_80 */ /* used as to_UTF_16LE_F4_80 */
to_UTF_16BE_82_offsets, /* used as to_UTF_32LE_F4_80 */
to_UTF_32BE_82_offsets,
from_UTF_16BE_00_infos from_UTF_16BE_00_infos
}; };
static const unsigned char static const unsigned char
to_UTF_16BE_E0_offsets[64] = { to_UTF_32BE_E0_offsets[64] = {
/* used by to_UTF_16BE_E0 */ /* used by to_UTF_32BE_E0 */
/* used by to_UTF_16BE_ED */ /* used by to_UTF_32BE_ED */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_E0_infos[2] = { to_UTF_32BE_E0_infos[2] = {
INVALID, &to_UTF_16BE_82, INVALID, &to_UTF_32BE_82,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_E0 = { to_UTF_32BE_E0 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_E0_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_E0_infos to_UTF_32BE_E0_offsets,
to_UTF_32BE_E0_infos
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_E1_infos[1] = { to_UTF_32BE_E1_infos[1] = {
&to_UTF_16BE_82, &to_UTF_32BE_82,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_E1 = { to_UTF_32BE_E1 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_32BE_F0 */
/* used as to_UTF_16BE_F0 */ /* used as to_UTF_16BE_F0 */
/* used as to_UTF_16BE_F1 */ /* used as to_UTF_16BE_F1 */
/* used as to_UTF_32BE_F1 */
/* used as to_UTF_16BE_F4 */ /* used as to_UTF_16BE_F4 */
/* used as to_UTF_32BE_F4 */
/* used as to_UTF_32LE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
/* used as to_UTF_16LE_F0 */ /* used as to_UTF_16LE_F0 */
/* used as to_UTF_32LE_F0 */
/* used as to_UTF_16LE_F1 */ /* used as to_UTF_16LE_F1 */
/* used as to_UTF_32LE_F1 */
/* used as to_UTF_16LE_F4 */ /* used as to_UTF_16LE_F4 */
to_UTF_16BE_82_offsets, /* used as to_UTF_32LE_F4 */
to_UTF_16BE_E1_infos to_UTF_32BE_82_offsets,
to_UTF_32BE_E1_infos
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_ED_infos[2] = { to_UTF_32BE_ED_infos[2] = {
&to_UTF_16BE_82, INVALID, &to_UTF_32BE_82, INVALID,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_ED = { to_UTF_32BE_ED = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_E0_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_ED_infos to_UTF_32BE_E0_offsets,
to_UTF_32BE_ED_infos
}; };
static const unsigned char static const unsigned char
to_UTF_16BE_F0_offsets[64] = { to_UTF_32BE_F0_offsets[64] = {
/* used by to_UTF_16BE_F0 */ /* used by to_UTF_32BE_F0 */
/* used by to_UTF_16BE_F4 */ /* used by to_UTF_32BE_F4 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_F0_infos[2] = { to_UTF_32BE_F0_infos[2] = {
INVALID, &to_UTF_16BE_E1, INVALID, &to_UTF_32BE_E1,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_F0 = { to_UTF_32BE_F0 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_F0_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_F0_infos to_UTF_32BE_F0_offsets,
to_UTF_32BE_F0_infos
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_F1_infos[1] = { to_UTF_32BE_F1_infos[1] = {
&to_UTF_16BE_E1, &to_UTF_32BE_E1,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_F1 = { to_UTF_32BE_F1 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_82_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_F1_infos to_UTF_32BE_82_offsets,
to_UTF_32BE_F1_infos
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_F4_infos[2] = { to_UTF_32BE_F4_infos[2] = {
&to_UTF_16BE_E1, INVALID, &to_UTF_32BE_E1, INVALID,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE_F4 = { to_UTF_32BE_F4 = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_F0_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_F4_infos to_UTF_32BE_F0_offsets,
to_UTF_32BE_F4_infos
}; };
static const unsigned char static const unsigned char
to_UTF_16BE_offsets[256] = { to_UTF_32BE_offsets[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@ -389,22 +501,24 @@ to_UTF_16BE_offsets[256] = {
6, 7, 7, 7, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 7, 7, 7, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
}; };
static const struct byte_lookup* const static const struct byte_lookup* const
to_UTF_16BE_infos[9] = { to_UTF_32BE_infos[9] = {
FUNso, INVALID, &to_UTF_16BE_82, &to_UTF_16BE_E0, FUNso, INVALID, &to_UTF_32BE_82, &to_UTF_32BE_E0,
&to_UTF_16BE_E1, &to_UTF_16BE_ED, &to_UTF_16BE_F0, &to_UTF_16BE_F1, &to_UTF_32BE_E1, &to_UTF_32BE_ED, &to_UTF_32BE_F0, &to_UTF_32BE_F1,
&to_UTF_16BE_F4, &to_UTF_32BE_F4,
}; };
static const BYTE_LOOKUP static const BYTE_LOOKUP
to_UTF_16BE = { to_UTF_32BE = {
/* used as to_UTF_32BE */
/* used as to_UTF_16BE */ /* used as to_UTF_16BE */
/* used as to_UTF_16LE */ /* used as to_UTF_16LE */
to_UTF_16BE_offsets, /* used as to_UTF_32LE */
to_UTF_16BE_infos to_UTF_32BE_offsets,
to_UTF_32BE_infos
}; };
static rb_transcoder static rb_transcoder
rb_to_UTF_16BE = { rb_to_UTF_16BE = {
"UTF-8", "UTF-16BE", &to_UTF_16BE, 4, 1, "UTF-8", "UTF-16BE", &to_UTF_32BE, 4, 1,
NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_16be NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_16be
}; };
@ -457,10 +571,216 @@ rb_from_UTF_16LE = {
static rb_transcoder static rb_transcoder
rb_to_UTF_16LE = { rb_to_UTF_16LE = {
"UTF-8", "UTF-16LE", &to_UTF_16BE, 4, 1, "UTF-8", "UTF-16LE", &to_UTF_32BE, 4, 1,
NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_16le NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_16le
}; };
static const unsigned char
from_UTF_32BE_00_00_offsets[256] = {
/* used by from_UTF_32BE_00_00 */
/* used by from_UTF_32LE_00 */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
static const struct byte_lookup* const
from_UTF_32BE_00_00_infos[2] = {
/* used by from_UTF_32BE_00_00 */
/* used by from_UTF_32LE_00_00 */
&from_UTF_16BE_00, &from_UTF_32BE_00_00_D8,
};
static const BYTE_LOOKUP
from_UTF_32BE_00_00 = {
from_UTF_32BE_00_00_offsets,
from_UTF_32BE_00_00_infos
};
static const struct byte_lookup* const
from_UTF_32BE_00_01_infos[1] = {
&from_UTF_16BE_00,
};
static const BYTE_LOOKUP
from_UTF_32BE_00_01 = {
from_UTF_16BE_00_offsets,
from_UTF_32BE_00_01_infos
};
static const struct byte_lookup* const
from_UTF_32BE_00_11_infos[1] = {
&from_UTF_32BE_00_00_D8,
};
static const BYTE_LOOKUP
from_UTF_32BE_00_11 = {
from_UTF_16BE_00_offsets,
from_UTF_32BE_00_11_infos
};
static const unsigned char
from_UTF_32BE_00_offsets[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
};
static const struct byte_lookup* const
from_UTF_32BE_00_infos[3] = {
&from_UTF_32BE_00_00, &from_UTF_32BE_00_01,
&from_UTF_32BE_00_11,
};
static const BYTE_LOOKUP
from_UTF_32BE_00 = {
from_UTF_32BE_00_offsets,
from_UTF_32BE_00_infos
};
static const unsigned char
from_UTF_32BE_offsets[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
static const struct byte_lookup* const
from_UTF_32BE_infos[2] = {
&from_UTF_32BE_00, INVALID,
};
static const BYTE_LOOKUP
from_UTF_32BE = {
from_UTF_32BE_offsets,
from_UTF_32BE_infos
};
static rb_transcoder
rb_from_UTF_32BE = {
"UTF-32BE", "UTF-8", &from_UTF_32BE, 4, 0,
NULL, NULL, NULL, NULL, NULL, &fun_so_from_utf_32be
};
static rb_transcoder
rb_to_UTF_32BE = {
"UTF-8", "UTF-32BE", &to_UTF_32BE, 4, 1,
NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_32be
};
static const unsigned char
from_UTF_32LE_00_00_offsets[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
};
static const BYTE_LOOKUP
from_UTF_32LE_00_00 = {
from_UTF_32LE_00_00_offsets,
from_UTF_32BE_00_00_infos
};
static const unsigned char
from_UTF_32LE_00_D8_offsets[256] = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
static const BYTE_LOOKUP
from_UTF_32LE_00_D8 = {
from_UTF_32LE_00_D8_offsets,
from_UTF_16BE_D8_00_infos
};
static const struct byte_lookup* const
from_UTF_32LE_00_infos[2] = {
&from_UTF_32LE_00_00, &from_UTF_32LE_00_D8,
};
static const BYTE_LOOKUP
from_UTF_32LE_00 = {
from_UTF_32BE_00_00_offsets,
from_UTF_32LE_00_infos
};
static const struct byte_lookup* const
from_UTF_32LE_infos[1] = {
&from_UTF_32LE_00,
};
static const BYTE_LOOKUP
from_UTF_32LE = {
from_UTF_16BE_00_offsets,
from_UTF_32LE_infos
};
static rb_transcoder
rb_from_UTF_32LE = {
"UTF-32LE", "UTF-8", &from_UTF_32LE, 4, 0,
NULL, NULL, NULL, NULL, NULL, &fun_so_from_utf_32le
};
static rb_transcoder
rb_to_UTF_32LE = {
"UTF-8", "UTF-32LE", &to_UTF_32BE, 4, 1,
NULL, NULL, NULL, NULL, NULL, &fun_so_to_utf_32le
};
void void
Init_utf_16_32(void) Init_utf_16_32(void)
{ {
@ -468,5 +788,9 @@ Init_utf_16_32(void)
rb_register_transcoder(&rb_to_UTF_16BE); rb_register_transcoder(&rb_to_UTF_16BE);
rb_register_transcoder(&rb_from_UTF_16LE); rb_register_transcoder(&rb_from_UTF_16LE);
rb_register_transcoder(&rb_to_UTF_16LE); rb_register_transcoder(&rb_to_UTF_16LE);
rb_register_transcoder(&rb_from_UTF_32BE);
rb_register_transcoder(&rb_to_UTF_32BE);
rb_register_transcoder(&rb_from_UTF_32LE);
rb_register_transcoder(&rb_to_UTF_32LE);
} }
/* Footprint (bytes): gross: 6036, saved: 4548, net: 1488 */ /* Footprint (bytes): gross: 13684, saved: 10796, net: 2888 */

59
test/ruby/test_transcode.rb
View File

@ -178,4 +178,63 @@ class TestTranscode < Test::Unit::TestCase
check_utf_16_both_ways("\u{8FF00}", "\xD9\xFF\xDF\x00") check_utf_16_both_ways("\u{8FF00}", "\xD9\xFF\xDF\x00")
check_utf_16_both_ways("\u{F00FF}", "\xDB\x80\xDC\xFF") check_utf_16_both_ways("\u{F00FF}", "\xDB\x80\xDC\xFF")
end end
def check_utf_32_both_ways(utf8, raw)
copy = raw.dup
0.step(copy.length-1, 4) do |i|
copy[i+3], copy[i+2], copy[i+1], copy[i] = copy[i], copy[i+1], copy[i+2], copy[i+3]
end
check_both_ways(utf8, raw, 'utf-32be')
#check_both_ways(utf8, copy, 'utf-32le')
end
def test_utf_32
check_utf_32_both_ways("abc", "\x00\x00\x00a\x00\x00\x00b\x00\x00\x00c")
check_utf_32_both_ways("\u00E9", "\x00\x00\x00\xE9");
check_utf_32_both_ways("\u00E9\u0070\u00E9\u0065",
"\x00\x00\x00\xE9\x00\x00\x00\x70\x00\x00\x00\xE9\x00\x00\x00\x65") # épée
check_utf_32_both_ways("\u677E\u672C\u884C\u5F18",
"\x00\x00\x67\x7E\x00\x00\x67\x2C\x00\x00\x88\x4C\x00\x00\x5F\x18") # 松本行弘
check_utf_32_both_ways("\u9752\u5C71\u5B66\u9662\u5927\u5B66",
"\x00\x00\x97\x52\x00\x00\x5C\x71\x00\x00\x5B\x66\x00\x00\x96\x62\x00\x00\x59\x27\x00\x00\x5B\x66") # 青山学院大学
check_utf_32_both_ways("Martin D\u00FCrst",
"\x00\x00\x00M\x00\x00\x00a\x00\x00\x00r\x00\x00\x00t\x00\x00\x00i\x00\x00\x00n\x00\x00\x00 \x00\x00\x00D\x00\x00\x00\xFC\x00\x00\x00r\x00\x00\x00s\x00\x00\x00t") # Martin Dürst
# BMP
check_utf_32_both_ways("\u0000", "\x00\x00\x00\x00")
check_utf_32_both_ways("\u007F", "\x00\x00\x00\x7F")
check_utf_32_both_ways("\u0080", "\x00\x00\x00\x80")
check_utf_32_both_ways("\u0555", "\x00\x00\x05\x55")
check_utf_32_both_ways("\u04AA", "\x00\x00\x04\xAA")
check_utf_32_both_ways("\u0333", "\x00\x00\x03\x33")
check_utf_32_both_ways("\u04CC", "\x00\x00\x04\xCC")
check_utf_32_both_ways("\u00F0", "\x00\x00\x00\xF0")
check_utf_32_both_ways("\u070F", "\x00\x00\x07\x0F")
check_utf_32_both_ways("\u07FF", "\x00\x00\x07\xFF")
check_utf_32_both_ways("\u0800", "\x00\x00\x08\x00")
check_utf_32_both_ways("\uD7FF", "\x00\x00\xD7\xFF")
check_utf_32_both_ways("\uE000", "\x00\x00\xE0\x00")
check_utf_32_both_ways("\uFFFF", "\x00\x00\xFF\xFF")
check_utf_32_both_ways("\u5555", "\x00\x00\x55\x55")
check_utf_32_both_ways("\uAAAA", "\x00\x00\xAA\xAA")
check_utf_32_both_ways("\u3333", "\x00\x00\x33\x33")
check_utf_32_both_ways("\uCCCC", "\x00\x00\xCC\xCC")
check_utf_32_both_ways("\uF0F0", "\x00\x00\xF0\xF0")
check_utf_32_both_ways("\u0F0F", "\x00\x00\x0F\x0F")
check_utf_32_both_ways("\uFF00", "\x00\x00\xFF\x00")
check_utf_32_both_ways("\u00FF", "\x00\x00\x00\xFF")
# outer planes
check_utf_32_both_ways("\u{10000}", "\x00\x01\x00\x00")
check_utf_32_both_ways("\u{FFFFF}", "\x00\x0F\xFF\xFF")
check_utf_32_both_ways("\u{100000}","\x00\x10\x00\x00")
check_utf_32_both_ways("\u{10FFFF}","\x00\x10\xFF\xFF")
check_utf_32_both_ways("\u{105555}","\x00\x10\x55\x55")
check_utf_32_both_ways("\u{55555}", "\x00\x05\x55\x55")
check_utf_32_both_ways("\u{AAAAA}", "\x00\x0A\xAA\xAA")
check_utf_32_both_ways("\u{33333}", "\x00\x03\x33\x33")
check_utf_32_both_ways("\u{CCCCC}", "\x00\x0C\xCC\xCC")
check_utf_32_both_ways("\u{8F0F0}", "\x00\x08\xF0\xF0")
check_utf_32_both_ways("\u{F0F0F}", "\x00\x0F\x0F\x0F")
check_utf_32_both_ways("\u{8FF00}", "\x00\x08\xFF\x00")
check_utf_32_both_ways("\u{F00FF}", "\x00\x0F\x00\xFF")
end
end end

2
transcode.c
View File

@ -106,6 +106,8 @@ init_transcoder_table(void)
rb_declare_transcoder("ISO-2022-JP", "UTF-8", "japanese"); rb_declare_transcoder("ISO-2022-JP", "UTF-8", "japanese");
rb_declare_transcoder("UTF-16BE", "UTF-8", "utf_16_32"); rb_declare_transcoder("UTF-16BE", "UTF-8", "utf_16_32");
rb_declare_transcoder("UTF-16LE", "UTF-8", "utf_16_32"); rb_declare_transcoder("UTF-16LE", "UTF-8", "utf_16_32");
rb_declare_transcoder("UTF-32BE", "UTF-8", "utf_16_32");
rb_declare_transcoder("UTF-32LE", "UTF-8", "utf_16_32");
} }
#define encoding_equal(enc1, enc2) (STRCASECMP(enc1, enc2) == 0) #define encoding_equal(enc1, enc2) (STRCASECMP(enc1, enc2) == 0)