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euc_jp_and_sjis.c File Reference
#include "postgres.h"
#include "fmgr.h"
#include "mb/pg_wchar.h"
#include "sjis.map"
Include dependency graph for euc_jp_and_sjis.c:

Go to the source code of this file.

Macros

#define PGSJISALTCODE   0x81ac
 
#define PGEUCALTCODE   0xa2ae
 

Functions

 PG_MODULE_MAGIC_EXT (.name="euc_jp_and_sjis",.version=PG_VERSION)
 
 PG_FUNCTION_INFO_V1 (euc_jp_to_sjis)
 
 PG_FUNCTION_INFO_V1 (sjis_to_euc_jp)
 
 PG_FUNCTION_INFO_V1 (euc_jp_to_mic)
 
 PG_FUNCTION_INFO_V1 (mic_to_euc_jp)
 
 PG_FUNCTION_INFO_V1 (sjis_to_mic)
 
 PG_FUNCTION_INFO_V1 (mic_to_sjis)
 
static int sjis2mic (const unsigned char *sjis, unsigned char *p, int len, bool noError)
 
static int mic2sjis (const unsigned char *mic, unsigned char *p, int len, bool noError)
 
static int euc_jp2mic (const unsigned char *euc, unsigned char *p, int len, bool noError)
 
static int mic2euc_jp (const unsigned char *mic, unsigned char *p, int len, bool noError)
 
static int euc_jp2sjis (const unsigned char *euc, unsigned char *p, int len, bool noError)
 
static int sjis2euc_jp (const unsigned char *sjis, unsigned char *p, int len, bool noError)
 
Datum euc_jp_to_sjis (PG_FUNCTION_ARGS)
 
Datum sjis_to_euc_jp (PG_FUNCTION_ARGS)
 
Datum euc_jp_to_mic (PG_FUNCTION_ARGS)
 
Datum mic_to_euc_jp (PG_FUNCTION_ARGS)
 
Datum sjis_to_mic (PG_FUNCTION_ARGS)
 
Datum mic_to_sjis (PG_FUNCTION_ARGS)
 

Macro Definition Documentation

◆ PGEUCALTCODE

#define PGEUCALTCODE   0xa2ae

Definition at line 23 of file euc_jp_and_sjis.c.

◆ PGSJISALTCODE

#define PGSJISALTCODE   0x81ac

Definition at line 22 of file euc_jp_and_sjis.c.

Function Documentation

◆ euc_jp2mic()

static int euc_jp2mic ( const unsigned char *  euc,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 409 of file euc_jp_and_sjis.c.

410{
411 const unsigned char *start = euc;
412 int c1;
413 int l;
414
415 while (len > 0)
416 {
417 c1 = *euc;
418 if (!IS_HIGHBIT_SET(c1))
419 {
420 /* ASCII */
421 if (c1 == 0)
422 {
423 if (noError)
424 break;
425 report_invalid_encoding(PG_EUC_JP,
426 (const char *) euc, len);
427 }
428 *p++ = c1;
429 euc++;
430 len--;
431 continue;
432 }
433 l = pg_encoding_verifymbchar(PG_EUC_JP, (const char *) euc, len);
434 if (l < 0)
435 {
436 if (noError)
437 break;
438 report_invalid_encoding(PG_EUC_JP,
439 (const char *) euc, len);
440 }
441 if (c1 == SS2)
442 { /* 1 byte kana? */
443 *p++ = LC_JISX0201K;
444 *p++ = euc[1];
445 }
446 else if (c1 == SS3)
447 { /* JIS X0212 kanji? */
448 *p++ = LC_JISX0212;
449 *p++ = euc[1];
450 *p++ = euc[2];
451 }
452 else
453 { /* kanji? */
454 *p++ = LC_JISX0208;
455 *p++ = c1;
456 *p++ = euc[1];
457 }
458 euc += l;
459 len -= l;
460 }
461 *p = '\0';
462
463 return euc - start;
464}
IS_HIGHBIT_SET
#define IS_HIGHBIT_SET(ch)
Definition: c.h:1126
start
return str start
Definition: hashfn_unstable.h:282
report_invalid_encoding
void report_invalid_encoding(int encoding, const char *mbstr, int len)
Definition: mbutils.c:1699
len
const void size_t len
Definition: pg_crc32c_sse42.c:28
PG_EUC_JP
@ PG_EUC_JP
Definition: pg_wchar.h:227
SS2
#define SS2
Definition: pg_wchar.h:38
LC_JISX0208
#define LC_JISX0208
Definition: pg_wchar.h:134
LC_JISX0212
#define LC_JISX0212
Definition: pg_wchar.h:136
LC_JISX0201K
#define LC_JISX0201K
Definition: pg_wchar.h:113
SS3
#define SS3
Definition: pg_wchar.h:39
pg_encoding_verifymbchar
int pg_encoding_verifymbchar(int encoding, const char *mbstr, int len)
Definition: wchar.c:2189

References IS_HIGHBIT_SET, LC_JISX0201K, LC_JISX0208, LC_JISX0212, len, pg_encoding_verifymbchar(), PG_EUC_JP, report_invalid_encoding(), SS2, SS3, and start.

Referenced by euc_jp_to_mic().

◆ euc_jp2sjis()

static int euc_jp2sjis ( const unsigned char *  euc,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 537 of file euc_jp_and_sjis.c.

538{
539 const unsigned char *start = euc;
540 int c1,
541 c2,
542 k;
543 int l;
544
545 while (len > 0)
546 {
547 c1 = *euc;
548 if (!IS_HIGHBIT_SET(c1))
549 {
550 /* ASCII */
551 if (c1 == 0)
552 {
553 if (noError)
554 break;
555 report_invalid_encoding(PG_EUC_JP,
556 (const char *) euc, len);
557 }
558 *p++ = c1;
559 euc++;
560 len--;
561 continue;
562 }
563 l = pg_encoding_verifymbchar(PG_EUC_JP, (const char *) euc, len);
564 if (l < 0)
565 {
566 if (noError)
567 break;
568 report_invalid_encoding(PG_EUC_JP,
569 (const char *) euc, len);
570 }
571 if (c1 == SS2)
572 {
573 /* hankaku kana? */
574 *p++ = euc[1];
575 }
576 else if (c1 == SS3)
577 {
578 /* JIS X0212 kanji? */
579 c1 = euc[1];
580 c2 = euc[2];
581 k = c1 << 8 | c2;
582 if (k >= 0xf5a1)
583 {
584 /* UDC2 */
585 c1 -= 0x54;
586 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x74;
587 *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
588 }
589 else
590 {
591 int i,
592 k2;
593
594 /* IBM kanji */
595 for (i = 0;; i++)
596 {
597 k2 = ibmkanji[i].euc & 0xffff;
598 if (k2 == 0xffff)
599 {
600 *p++ = PGSJISALTCODE >> 8;
601 *p++ = PGSJISALTCODE & 0xff;
602 break;
603 }
604 if (k2 == k)
605 {
606 k = ibmkanji[i].sjis;
607 *p++ = k >> 8;
608 *p++ = k & 0xff;
609 break;
610 }
611 }
612 }
613 }
614 else
615 {
616 /* JIS X0208 kanji? */
617 c2 = euc[1];
618 k = (c1 << 8) | (c2 & 0xff);
619 if (k >= 0xf5a1)
620 {
621 /* UDC1 */
622 c1 -= 0x54;
623 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x6f;
624 }
625 else
626 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1);
627 *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
628 }
629 euc += l;
630 len -= l;
631 }
632 *p = '\0';
633
634 return euc - start;
635}
PGSJISALTCODE
#define PGSJISALTCODE
Definition: euc_jp_and_sjis.c:22
i
int i
Definition: isn.c:77

References i, IS_HIGHBIT_SET, len, pg_encoding_verifymbchar(), PG_EUC_JP, PGSJISALTCODE, report_invalid_encoding(), SS2, SS3, and start.

Referenced by euc_jp_to_sjis().

◆ euc_jp_to_mic()

Datum euc_jp_to_mic ( PG_FUNCTION_ARGS  )

Definition at line 96 of file euc_jp_and_sjis.c.

97{
98 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
99 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
100 int len = PG_GETARG_INT32(4);
101 bool noError = PG_GETARG_BOOL(5);
102 int converted;
103
104 CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_JP, PG_MULE_INTERNAL);
105
106 converted = euc_jp2mic(src, dest, len, noError);
107
108 PG_RETURN_INT32(converted);
109}
euc_jp2mic
static int euc_jp2mic(const unsigned char *euc, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:409
PG_GETARG_CSTRING
#define PG_GETARG_CSTRING(n)
Definition: fmgr.h:277
PG_RETURN_INT32
#define PG_RETURN_INT32(x)
Definition: fmgr.h:354
PG_GETARG_INT32
#define PG_GETARG_INT32(n)
Definition: fmgr.h:269
PG_GETARG_BOOL
#define PG_GETARG_BOOL(n)
Definition: fmgr.h:274
generate_unaccent_rules.dest
dest
Definition: generate_unaccent_rules.py:285
PG_MULE_INTERNAL
@ PG_MULE_INTERNAL
Definition: pg_wchar.h:233
CHECK_ENCODING_CONVERSION_ARGS
#define CHECK_ENCODING_CONVERSION_ARGS(srcencoding, destencoding)
Definition: pg_wchar.h:507

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, euc_jp2mic(), len, PG_EUC_JP, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_INT32.

◆ euc_jp_to_sjis()

Datum euc_jp_to_sjis ( PG_FUNCTION_ARGS  )

Definition at line 64 of file euc_jp_and_sjis.c.

65{
66 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
67 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
68 int len = PG_GETARG_INT32(4);
69 bool noError = PG_GETARG_BOOL(5);
70 int converted;
71
72 CHECK_ENCODING_CONVERSION_ARGS(PG_EUC_JP, PG_SJIS);
73
74 converted = euc_jp2sjis(src, dest, len, noError);
75
76 PG_RETURN_INT32(converted);
77}
euc_jp2sjis
static int euc_jp2sjis(const unsigned char *euc, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:537
PG_SJIS
@ PG_SJIS
Definition: pg_wchar.h:264

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, euc_jp2sjis(), len, PG_EUC_JP, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, and PG_SJIS.

◆ mic2euc_jp()

static int mic2euc_jp ( const unsigned char *  mic,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 470 of file euc_jp_and_sjis.c.

471{
472 const unsigned char *start = mic;
473 int c1;
474 int l;
475
476 while (len > 0)
477 {
478 c1 = *mic;
479 if (!IS_HIGHBIT_SET(c1))
480 {
481 /* ASCII */
482 if (c1 == 0)
483 {
484 if (noError)
485 break;
486 report_invalid_encoding(PG_MULE_INTERNAL,
487 (const char *) mic, len);
488 }
489 *p++ = c1;
490 mic++;
491 len--;
492 continue;
493 }
494 l = pg_encoding_verifymbchar(PG_MULE_INTERNAL, (const char *) mic, len);
495 if (l < 0)
496 {
497 if (noError)
498 break;
499 report_invalid_encoding(PG_MULE_INTERNAL,
500 (const char *) mic, len);
501 }
502 if (c1 == LC_JISX0201K)
503 {
504 *p++ = SS2;
505 *p++ = mic[1];
506 }
507 else if (c1 == LC_JISX0212)
508 {
509 *p++ = SS3;
510 *p++ = mic[1];
511 *p++ = mic[2];
512 }
513 else if (c1 == LC_JISX0208)
514 {
515 *p++ = mic[1];
516 *p++ = mic[2];
517 }
518 else
519 {
520 if (noError)
521 break;
522 report_untranslatable_char(PG_MULE_INTERNAL, PG_EUC_JP,
523 (const char *) mic, len);
524 }
525 mic += l;
526 len -= l;
527 }
528 *p = '\0';
529
530 return mic - start;
531}
report_untranslatable_char
void report_untranslatable_char(int src_encoding, int dest_encoding, const char *mbstr, int len)
Definition: mbutils.c:1731

References IS_HIGHBIT_SET, LC_JISX0201K, LC_JISX0208, LC_JISX0212, len, pg_encoding_verifymbchar(), PG_EUC_JP, PG_MULE_INTERNAL, report_invalid_encoding(), report_untranslatable_char(), SS2, SS3, and start.

Referenced by mic_to_euc_jp().

◆ mic2sjis()

static int mic2sjis ( const unsigned char *  mic,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 302 of file euc_jp_and_sjis.c.

303{
304 const unsigned char *start = mic;
305 int c1,
306 c2,
307 k,
308 l;
309
310 while (len > 0)
311 {
312 c1 = *mic;
313 if (!IS_HIGHBIT_SET(c1))
314 {
315 /* ASCII */
316 if (c1 == 0)
317 {
318 if (noError)
319 break;
320 report_invalid_encoding(PG_MULE_INTERNAL,
321 (const char *) mic, len);
322 }
323 *p++ = c1;
324 mic++;
325 len--;
326 continue;
327 }
328 l = pg_encoding_verifymbchar(PG_MULE_INTERNAL, (const char *) mic, len);
329 if (l < 0)
330 {
331 if (noError)
332 break;
333 report_invalid_encoding(PG_MULE_INTERNAL,
334 (const char *) mic, len);
335 }
336 if (c1 == LC_JISX0201K)
337 *p++ = mic[1];
338 else if (c1 == LC_JISX0208)
339 {
340 c1 = mic[1];
341 c2 = mic[2];
342 k = (c1 << 8) | (c2 & 0xff);
343 if (k >= 0xf5a1)
344 {
345 /* UDC1 */
346 c1 -= 0x54;
347 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x6f;
348 }
349 else
350 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1);
351 *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
352 }
353 else if (c1 == LC_JISX0212)
354 {
355 int i,
356 k2;
357
358 c1 = mic[1];
359 c2 = mic[2];
360 k = c1 << 8 | c2;
361 if (k >= 0xf5a1)
362 {
363 /* UDC2 */
364 c1 -= 0x54;
365 *p++ = ((c1 - 0xa1) >> 1) + ((c1 < 0xdf) ? 0x81 : 0xc1) + 0x74;
366 *p++ = c2 - ((c1 & 1) ? ((c2 < 0xe0) ? 0x61 : 0x60) : 2);
367 }
368 else
369 {
370 /* IBM kanji */
371 for (i = 0;; i++)
372 {
373 k2 = ibmkanji[i].euc & 0xffff;
374 if (k2 == 0xffff)
375 {
376 *p++ = PGSJISALTCODE >> 8;
377 *p++ = PGSJISALTCODE & 0xff;
378 break;
379 }
380 if (k2 == k)
381 {
382 k = ibmkanji[i].sjis;
383 *p++ = k >> 8;
384 *p++ = k & 0xff;
385 break;
386 }
387 }
388 }
389 }
390 else
391 {
392 if (noError)
393 break;
394 report_untranslatable_char(PG_MULE_INTERNAL, PG_SJIS,
395 (const char *) mic, len);
396 }
397 mic += l;
398 len -= l;
399 }
400 *p = '\0';
401
402 return mic - start;
403}

References i, IS_HIGHBIT_SET, LC_JISX0201K, LC_JISX0208, LC_JISX0212, len, pg_encoding_verifymbchar(), PG_MULE_INTERNAL, PG_SJIS, PGSJISALTCODE, report_invalid_encoding(), report_untranslatable_char(), and start.

Referenced by mic_to_sjis().

◆ mic_to_euc_jp()

Datum mic_to_euc_jp ( PG_FUNCTION_ARGS  )

Definition at line 112 of file euc_jp_and_sjis.c.

113{
114 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
115 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
116 int len = PG_GETARG_INT32(4);
117 bool noError = PG_GETARG_BOOL(5);
118 int converted;
119
120 CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_EUC_JP);
121
122 converted = mic2euc_jp(src, dest, len, noError);
123
124 PG_RETURN_INT32(converted);
125}
mic2euc_jp
static int mic2euc_jp(const unsigned char *mic, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:470

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, mic2euc_jp(), PG_EUC_JP, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, and PG_RETURN_INT32.

◆ mic_to_sjis()

Datum mic_to_sjis ( PG_FUNCTION_ARGS  )

Definition at line 144 of file euc_jp_and_sjis.c.

145{
146 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
147 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
148 int len = PG_GETARG_INT32(4);
149 bool noError = PG_GETARG_BOOL(5);
150 int converted;
151
152 CHECK_ENCODING_CONVERSION_ARGS(PG_MULE_INTERNAL, PG_SJIS);
153
154 converted = mic2sjis(src, dest, len, noError);
155
156 PG_RETURN_INT32(converted);
157}
mic2sjis
static int mic2sjis(const unsigned char *mic, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:302

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, mic2sjis(), PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, PG_RETURN_INT32, and PG_SJIS.

◆ PG_FUNCTION_INFO_V1() [1/6]

PG_FUNCTION_INFO_V1 ( euc_jp_to_mic  )

◆ PG_FUNCTION_INFO_V1() [2/6]

PG_FUNCTION_INFO_V1 ( euc_jp_to_sjis  )

◆ PG_FUNCTION_INFO_V1() [3/6]

PG_FUNCTION_INFO_V1 ( mic_to_euc_jp  )

◆ PG_FUNCTION_INFO_V1() [4/6]

PG_FUNCTION_INFO_V1 ( mic_to_sjis  )

◆ PG_FUNCTION_INFO_V1() [5/6]

PG_FUNCTION_INFO_V1 ( sjis_to_euc_jp  )

◆ PG_FUNCTION_INFO_V1() [6/6]

PG_FUNCTION_INFO_V1 ( sjis_to_mic  )

◆ PG_MODULE_MAGIC_EXT()

PG_MODULE_MAGIC_EXT ( .  name = "euc_jp_and_sjis",
.  version = PG_VERSION 
)

◆ sjis2euc_jp()

static int sjis2euc_jp ( const unsigned char *  sjis,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 641 of file euc_jp_and_sjis.c.

642{
643 const unsigned char *start = sjis;
644 int c1,
645 c2,
646 i,
647 k,
648 k2;
649 int l;
650
651 while (len > 0)
652 {
653 c1 = *sjis;
654 if (!IS_HIGHBIT_SET(c1))
655 {
656 /* ASCII */
657 if (c1 == 0)
658 {
659 if (noError)
660 break;
661 report_invalid_encoding(PG_SJIS,
662 (const char *) sjis, len);
663 }
664 *p++ = c1;
665 sjis++;
666 len--;
667 continue;
668 }
669 l = pg_encoding_verifymbchar(PG_SJIS, (const char *) sjis, len);
670 if (l < 0)
671 {
672 if (noError)
673 break;
674 report_invalid_encoding(PG_SJIS,
675 (const char *) sjis, len);
676 }
677 if (c1 >= 0xa1 && c1 <= 0xdf)
678 {
679 /* JIS X0201 (1 byte kana) */
680 *p++ = SS2;
681 *p++ = c1;
682 }
683 else
684 {
685 /*
686 * JIS X0208, X0212, user defined extended characters
687 */
688 c2 = sjis[1];
689 k = (c1 << 8) + c2;
690 if (k >= 0xed40 && k < 0xf040)
691 {
692 /* NEC selection IBM kanji */
693 for (i = 0;; i++)
694 {
695 k2 = ibmkanji[i].nec;
696 if (k2 == 0xffff)
697 break;
698 if (k2 == k)
699 {
700 k = ibmkanji[i].sjis;
701 c1 = (k >> 8) & 0xff;
702 c2 = k & 0xff;
703 }
704 }
705 }
706
707 if (k < 0xeb3f)
708 {
709 /* JIS X0208 */
710 *p++ = ((c1 & 0x3f) << 1) + 0x9f + (c2 > 0x9e);
711 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
712 }
713 else if ((k >= 0xeb40 && k < 0xf040) || (k >= 0xfc4c && k <= 0xfcfc))
714 {
715 /* NEC selection IBM kanji - Other undecided justice */
716 *p++ = PGEUCALTCODE >> 8;
717 *p++ = PGEUCALTCODE & 0xff;
718 }
719 else if (k >= 0xf040 && k < 0xf540)
720 {
721 /*
722 * UDC1 mapping to X0208 85 ku - 94 ku JIS code 0x7521 -
723 * 0x7e7e EUC 0xf5a1 - 0xfefe
724 */
725 c1 -= 0x6f;
726 *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
727 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
728 }
729 else if (k >= 0xf540 && k < 0xfa40)
730 {
731 /*
732 * UDC2 mapping to X0212 85 ku - 94 ku JIS code 0x7521 -
733 * 0x7e7e EUC 0x8ff5a1 - 0x8ffefe
734 */
735 *p++ = SS3;
736 c1 -= 0x74;
737 *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
738 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
739 }
740 else if (k >= 0xfa40)
741 {
742 /*
743 * mapping IBM kanji to X0208 and X0212
744 *
745 */
746 for (i = 0;; i++)
747 {
748 k2 = ibmkanji[i].sjis;
749 if (k2 == 0xffff)
750 break;
751 if (k2 == k)
752 {
753 k = ibmkanji[i].euc;
754 if (k >= 0x8f0000)
755 {
756 *p++ = SS3;
757 *p++ = 0x80 | ((k & 0xff00) >> 8);
758 *p++ = 0x80 | (k & 0xff);
759 }
760 else
761 {
762 *p++ = 0x80 | (k >> 8);
763 *p++ = 0x80 | (k & 0xff);
764 }
765 }
766 }
767 }
768 }
769 sjis += l;
770 len -= l;
771 }
772 *p = '\0';
773
774 return sjis - start;
775}
PGEUCALTCODE
#define PGEUCALTCODE
Definition: euc_jp_and_sjis.c:23

References i, IS_HIGHBIT_SET, len, pg_encoding_verifymbchar(), PG_SJIS, PGEUCALTCODE, report_invalid_encoding(), SS2, SS3, and start.

Referenced by sjis_to_euc_jp().

◆ sjis2mic()

static int sjis2mic ( const unsigned char *  sjis,
unsigned char *  p,
int  len,
bool  noError 
)
static

Definition at line 163 of file euc_jp_and_sjis.c.

164{
165 const unsigned char *start = sjis;
166 int c1,
167 c2,
168 i,
169 k,
170 k2;
171
172 while (len > 0)
173 {
174 c1 = *sjis;
175 if (c1 >= 0xa1 && c1 <= 0xdf)
176 {
177 /* JIS X0201 (1 byte kana) */
178 *p++ = LC_JISX0201K;
179 *p++ = c1;
180 sjis++;
181 len--;
182 }
183 else if (IS_HIGHBIT_SET(c1))
184 {
185 /*
186 * JIS X0208, X0212, user defined extended characters
187 */
188 if (len < 2 || !ISSJISHEAD(c1) || !ISSJISTAIL(sjis[1]))
189 {
190 if (noError)
191 break;
192 report_invalid_encoding(PG_SJIS, (const char *) sjis, len);
193 }
194 c2 = sjis[1];
195 k = (c1 << 8) + c2;
196 if (k >= 0xed40 && k < 0xf040)
197 {
198 /* NEC selection IBM kanji */
199 for (i = 0;; i++)
200 {
201 k2 = ibmkanji[i].nec;
202 if (k2 == 0xffff)
203 break;
204 if (k2 == k)
205 {
206 k = ibmkanji[i].sjis;
207 c1 = (k >> 8) & 0xff;
208 c2 = k & 0xff;
209 }
210 }
211 }
212
213 if (k < 0xeb3f)
214 {
215 /* JIS X0208 */
216 *p++ = LC_JISX0208;
217 *p++ = ((c1 & 0x3f) << 1) + 0x9f + (c2 > 0x9e);
218 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
219 }
220 else if ((k >= 0xeb40 && k < 0xf040) || (k >= 0xfc4c && k <= 0xfcfc))
221 {
222 /* NEC selection IBM kanji - Other undecided justice */
223 *p++ = LC_JISX0208;
224 *p++ = PGEUCALTCODE >> 8;
225 *p++ = PGEUCALTCODE & 0xff;
226 }
227 else if (k >= 0xf040 && k < 0xf540)
228 {
229 /*
230 * UDC1 mapping to X0208 85 ku - 94 ku JIS code 0x7521 -
231 * 0x7e7e EUC 0xf5a1 - 0xfefe
232 */
233 *p++ = LC_JISX0208;
234 c1 -= 0x6f;
235 *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
236 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
237 }
238 else if (k >= 0xf540 && k < 0xfa40)
239 {
240 /*
241 * UDC2 mapping to X0212 85 ku - 94 ku JIS code 0x7521 -
242 * 0x7e7e EUC 0x8ff5a1 - 0x8ffefe
243 */
244 *p++ = LC_JISX0212;
245 c1 -= 0x74;
246 *p++ = ((c1 & 0x3f) << 1) + 0xf3 + (c2 > 0x9e);
247 *p++ = c2 + ((c2 > 0x9e) ? 2 : 0x60) + (c2 < 0x80);
248 }
249 else if (k >= 0xfa40)
250 {
251 /*
252 * mapping IBM kanji to X0208 and X0212
253 */
254 for (i = 0;; i++)
255 {
256 k2 = ibmkanji[i].sjis;
257 if (k2 == 0xffff)
258 break;
259 if (k2 == k)
260 {
261 k = ibmkanji[i].euc;
262 if (k >= 0x8f0000)
263 {
264 *p++ = LC_JISX0212;
265 *p++ = 0x80 | ((k & 0xff00) >> 8);
266 *p++ = 0x80 | (k & 0xff);
267 }
268 else
269 {
270 *p++ = LC_JISX0208;
271 *p++ = 0x80 | (k >> 8);
272 *p++ = 0x80 | (k & 0xff);
273 }
274 }
275 }
276 }
277 sjis += 2;
278 len -= 2;
279 }
280 else
281 { /* should be ASCII */
282 if (c1 == 0)
283 {
284 if (noError)
285 break;
286 report_invalid_encoding(PG_SJIS, (const char *) sjis, len);
287 }
288 *p++ = c1;
289 sjis++;
290 len--;
291 }
292 }
293 *p = '\0';
294
295 return sjis - start;
296}
ISSJISTAIL
#define ISSJISTAIL(c)
Definition: pg_wchar.h:45
ISSJISHEAD
#define ISSJISHEAD(c)
Definition: pg_wchar.h:44

References i, IS_HIGHBIT_SET, ISSJISHEAD, ISSJISTAIL, LC_JISX0201K, LC_JISX0208, LC_JISX0212, len, PG_SJIS, PGEUCALTCODE, report_invalid_encoding(), and start.

Referenced by sjis_to_mic().

◆ sjis_to_euc_jp()

Datum sjis_to_euc_jp ( PG_FUNCTION_ARGS  )

Definition at line 80 of file euc_jp_and_sjis.c.

81{
82 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
83 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
84 int len = PG_GETARG_INT32(4);
85 bool noError = PG_GETARG_BOOL(5);
86 int converted;
87
88 CHECK_ENCODING_CONVERSION_ARGS(PG_SJIS, PG_EUC_JP);
89
90 converted = sjis2euc_jp(src, dest, len, noError);
91
92 PG_RETURN_INT32(converted);
93}
sjis2euc_jp
static int sjis2euc_jp(const unsigned char *sjis, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:641

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, PG_EUC_JP, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_RETURN_INT32, PG_SJIS, and sjis2euc_jp().

◆ sjis_to_mic()

Datum sjis_to_mic ( PG_FUNCTION_ARGS  )

Definition at line 128 of file euc_jp_and_sjis.c.

129{
130 unsigned char *src = (unsigned char *) PG_GETARG_CSTRING(2);
131 unsigned char *dest = (unsigned char *) PG_GETARG_CSTRING(3);
132 int len = PG_GETARG_INT32(4);
133 bool noError = PG_GETARG_BOOL(5);
134 int converted;
135
136 CHECK_ENCODING_CONVERSION_ARGS(PG_SJIS, PG_MULE_INTERNAL);
137
138 converted = sjis2mic(src, dest, len, noError);
139
140 PG_RETURN_INT32(converted);
141}
sjis2mic
static int sjis2mic(const unsigned char *sjis, unsigned char *p, int len, bool noError)
Definition: euc_jp_and_sjis.c:163

References CHECK_ENCODING_CONVERSION_ARGS, generate_unaccent_rules::dest, len, PG_GETARG_BOOL, PG_GETARG_CSTRING, PG_GETARG_INT32, PG_MULE_INTERNAL, PG_RETURN_INT32, PG_SJIS, and sjis2mic().