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Defines | Functions | Variables
mbfilter_iso2022_jp_ms.c File Reference
#include "mbfilter.h"
#include "mbfilter_iso2022_jp_ms.h"
#include "unicode_table_cp932_ext.h"
#include "unicode_table_jis.h"
#include "cp932_table.h"

Go to the source code of this file.

Defines

#define CK(statement)   do { if ((statement) < 0) return (-1); } while (0)
#define sjistoidx(c1, c2)
#define idxtojis1(c)   (((c) / 94) + 0x21)
#define idxtojis2(c)   (((c) % 94) + 0x21)

Functions

static int mbfl_filt_ident_2022jpms (int c, mbfl_identify_filter *filter)
int mbfl_filt_conv_2022jpms_wchar (int c, mbfl_convert_filter *filter)
static int cp932ext3_cp932ext2_jis (int c)
int mbfl_filt_conv_wchar_2022jpms (int c, mbfl_convert_filter *filter)
int mbfl_filt_conv_any_2022jpms_flush (mbfl_convert_filter *filter)

Variables

static const char * mbfl_encoding_2022jpms_aliases [] = {"ISO2022JPMS", NULL}
const mbfl_encoding mbfl_encoding_2022jpms

Define Documentation

#define CK (   statement)    do { if ((statement) < 0) return (-1); } while (0)

Definition at line 79 of file mbfilter_iso2022_jp_ms.c.

#define idxtojis1 (   c)    (((c) / 94) + 0x21)

Definition at line 85 of file mbfilter_iso2022_jp_ms.c.

#define idxtojis2 (   c)    (((c) % 94) + 0x21)

Definition at line 86 of file mbfilter_iso2022_jp_ms.c.

#define sjistoidx (   c1,
  c2 
)
Value:
(((c1) > 0x9f) \
        ? (((c1) - 0xc1) * 188 + (c2) - (((c2) > 0x7e) ? 0x41 : 0x40)) \
        : (((c1) - 0x81) * 188 + (c2) - (((c2) > 0x7e) ? 0x41 : 0x40)))

Definition at line 81 of file mbfilter_iso2022_jp_ms.c.


Function Documentation

static int cp932ext3_cp932ext2_jis ( int  c) [static]

Definition at line 275 of file mbfilter_iso2022_jp_ms.c.

{
       int idx;

       idx = sjistoidx(0xfa, 0x40) + c;
       if (idx >= sjistoidx(0xfa, 0x5c))
              idx -=  sjistoidx(0xfa, 0x5c) - sjistoidx(0xed, 0x40);
       else if (idx >= sjistoidx(0xfa, 0x55))
              idx -=  sjistoidx(0xfa, 0x55) - sjistoidx(0xee, 0xfa);
       else if (idx >= sjistoidx(0xfa, 0x40))
              idx -=  sjistoidx(0xfa, 0x40) - sjistoidx(0xee, 0xef);
       return idxtojis1(idx) << 8 | idxtojis2(idx);
}

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int mbfl_filt_conv_2022jpms_wchar ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 92 of file mbfilter_iso2022_jp_ms.c.

{
       int c1, s, w;

retry:
       switch (filter->status & 0xf) {
/*     case 0x00:     ASCII */
/*     case 0x10:     X 0201 latin */
/*     case 0x20:     X 0201 kana */
/*     case 0x80:     X 0208 */
/*     case 0xa0:     UDC */
       case 0:
              if (c == 0x1b) {
                     filter->status += 2;
              } else if (filter->status == 0x20 && c > 0x20 && c < 0x60) {          /* kana */
                     CK((*filter->output_function)(0xff40 + c, filter->data));
              } else if ((filter->status == 0x80 || filter->status == 0xa0) && c > 0x20 && c < 0x80) {          /* kanji first char */
                     filter->cache = c;
                     filter->status += 1;
              } else if (c >= 0 && c < 0x80) {          /* latin, CTLs */
                     CK((*filter->output_function)(c, filter->data));
              } else if (c > 0xa0 && c < 0xe0) { /* GR kana */
                     CK((*filter->output_function)(0xfec0 + c, filter->data));
              } else {
                     w = c & MBFL_WCSGROUP_MASK;
                     w |= MBFL_WCSGROUP_THROUGH;
                     CK((*filter->output_function)(w, filter->data));
              }
              break;

/*     case 0x81:     X 0208 second char */
/*     case 0xa1:     UDC second char */
       case 1:
              w = 0;
              filter->status &= ~0xf;
              c1 = filter->cache;
              if (c > 0x20 && c < 0x7f) {
                     s = (c1 - 0x21)*94 + c - 0x21;
                     if (filter->status == 0x80) {
                            if (s <= 137) {
                                   if (s == 31) {
                                          w = 0xff3c;                 /* FULLWIDTH REVERSE SOLIDUS */
                                   } else if (s == 32) {
                                          w = 0xff5e;                 /* FULLWIDTH TILDE */
                                   } else if (s == 33) {
                                          w = 0x2225;                 /* PARALLEL TO */
                                   } else if (s == 60) {
                                          w = 0xff0d;                 /* FULLWIDTH HYPHEN-MINUS */
                                   } else if (s == 80) {
                                          w = 0xffe0;                 /* FULLWIDTH CENT SIGN */
                                   } else if (s == 81) {
                                          w = 0xffe1;                 /* FULLWIDTH POUND SIGN */
                                   } else if (s == 137) {
                                          w = 0xffe2;                 /* FULLWIDTH NOT SIGN */
                                   }
                            }
                            if (w == 0) {
                                   if (s >= cp932ext1_ucs_table_min && s < cp932ext1_ucs_table_max) {           /* vendor ext1 (13ku) */
                                          w = cp932ext1_ucs_table[s - cp932ext1_ucs_table_min];
                                   } else if (s >= 0 && s < jisx0208_ucs_table_size) {
                                          w = jisx0208_ucs_table[s];
                                   } else if (s >= cp932ext2_ucs_table_min && s < cp932ext2_ucs_table_max) {           /* vendor ext2 (89ku - 92ku) */
                                          w = cp932ext2_ucs_table[s - cp932ext2_ucs_table_min];
                                   } else {
                                          w = 0;
                                   }
                            }
                            if (w <= 0) {
                                   w = (c1 << 8) | c;
                                   w &= MBFL_WCSPLANE_MASK;
                                   w |= MBFL_WCSPLANE_JIS0208;
                            }
                            CK((*filter->output_function)(w, filter->data));
                     } else {
                            if (c1 > 0x20 && c1 < 0x35) {
                                   w = 0xe000 + (c1 - 0x21)*94 + c - 0x21;
                            }
                            if (w <= 0) {
                                   w = (((c1 - 0x21) + 0x7f) << 8) | c;
                                   w &= MBFL_WCSPLANE_MASK;
                                   w |= MBFL_WCSPLANE_JIS0208;
                            }
                            CK((*filter->output_function)(w, filter->data));
                     }
              } else if (c == 0x1b) {
                     filter->status += 2;
              } else if ((c >= 0 && c < 0x21) || c == 0x7f) {         /* CTLs */
                     CK((*filter->output_function)(c, filter->data));
              } else {
                     w = (c1 << 8) | c;
                     w &= MBFL_WCSGROUP_MASK;
                     w |= MBFL_WCSGROUP_THROUGH;
                     CK((*filter->output_function)(w, filter->data));
              }
              break;

       /* ESC */
/*     case 0x02:    */
/*     case 0x12:    */
/*     case 0x22:    */
/*     case 0x82:    */
/*     case 0xa2:    */
       case 2:
              if (c == 0x24) {            /* '$' */
                     filter->status++;
              } else if (c == 0x28) {            /* '(' */
                     filter->status += 3;
              } else {
                     filter->status &= ~0xf;
                     CK((*filter->output_function)(0x1b, filter->data));
                     goto retry;
              }
              break;

       /* ESC $ */
/*     case 0x03:    */
/*     case 0x13:    */
/*     case 0x23:    */
/*     case 0x83:    */
/*     case 0xa3:    */
       case 3:
              if (c == 0x40 || c == 0x42) {      /* '@' or 'B' */
                     filter->status = 0x80;
              } else if (c == 0x28) {     /* '(' */
                     filter->status++;
              } else {
                     filter->status &= ~0xf;
                     CK((*filter->output_function)(0x1b, filter->data));
                     CK((*filter->output_function)(0x24, filter->data));
                     goto retry;
              }
              break;

       /* ESC $ ( */
/*     case 0x04:    */
/*     case 0x14:    */
/*     case 0x24:    */
/*     case 0x84:    */
/*     case 0xa4:    */
       case 4:
              if (c == 0x40 || c == 0x42) {      /* '@' or 'B' */
                     filter->status = 0x80;
              } else if (c == 0x3f) {                   /* '?' */
                     filter->status = 0xa0;
              } else {
                     filter->status &= ~0xf;
                     CK((*filter->output_function)(0x1b, filter->data));
                     CK((*filter->output_function)(0x24, filter->data));
                     CK((*filter->output_function)(0x28, filter->data));
                     goto retry;
              }
              break;

       /* ESC ( */
/*     case 0x05:    */
/*     case 0x15:    */
/*     case 0x25:    */
/*     case 0x85:    */
/*     case 0xa5:    */
       case 5:
              if (c == 0x42) {            /* 'B' */
                     filter->status = 0;
              } else if (c == 0x4a) {            /* 'J' */
                     filter->status = 0;
              } else if (c == 0x49) {            /* 'I' */
                     filter->status = 0x20;
              } else {
                     filter->status &= ~0xf;
                     CK((*filter->output_function)(0x1b, filter->data));
                     CK((*filter->output_function)(0x28, filter->data));
                     goto retry;
              }
              break;

       default:
              filter->status = 0;
              break;
       }

       return c;
}
int mbfl_filt_conv_any_2022jpms_flush ( mbfl_convert_filter *  filter)

Definition at line 418 of file mbfilter_iso2022_jp_ms.c.

{
       /* back to latin */
       if ((filter->status & 0xff00) != 0) {
              CK((*filter->output_function)(0x1b, filter->data));            /* ESC */
              CK((*filter->output_function)(0x28, filter->data));            /* '(' */
              CK((*filter->output_function)(0x42, filter->data));            /* 'B' */
       }

       filter->status &= 0xff;

       if (filter->flush_function != NULL) {
              return (*filter->flush_function)(filter->data);
       }

       return 0;
}
int mbfl_filt_conv_wchar_2022jpms ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 293 of file mbfilter_iso2022_jp_ms.c.

{
       int c1, c2, s1, s2;

       s1 = 0;
       s2 = 0;
       if (c >= ucs_a1_jis_table_min && c < ucs_a1_jis_table_max) {
              s1 = ucs_a1_jis_table[c - ucs_a1_jis_table_min];
       } else if (c >= ucs_a2_jis_table_min && c < ucs_a2_jis_table_max) {
              s1 = ucs_a2_jis_table[c - ucs_a2_jis_table_min];
       } else if (c >= ucs_i_jis_table_min && c < ucs_i_jis_table_max) {
              s1 = ucs_i_jis_table[c - ucs_i_jis_table_min];
       } else if (c >= ucs_r_jis_table_min && c < ucs_r_jis_table_max) {
              s1 = ucs_r_jis_table[c - ucs_r_jis_table_min];
       } else if (c >= 0xe000 && c < (0xe000 + 20*94)) {       /* user  (95ku - 114ku) */
              s1 = c - 0xe000;
              c1 = s1/94 + 0x7f;
              c2 = s1%94 + 0x21;
              s1 = (c1 << 8) | c2;
       }
       if (s1 <= 0) {
              c1 = c & ~MBFL_WCSPLANE_MASK;
              if (c1 == MBFL_WCSPLANE_WINCP932) {
                     s1 = c & MBFL_WCSPLANE_MASK;
                     s2 = 1;
              } else if (c1 == MBFL_WCSPLANE_JIS0208) {
                     s1 = c & MBFL_WCSPLANE_MASK;
              } else if (c1 == MBFL_WCSPLANE_JIS0212) {
                     s1 = c & MBFL_WCSPLANE_MASK;
                     s1 |= 0x8080;
              } else if (c == 0xa5) {            /* YEN SIGN */
                     s1 = 0x216f;              /* FULLWIDTH YEN SIGN */
              } else if (c == 0x203e) {   /* OVER LINE */
                     s1 = 0x2131;  /* FULLWIDTH MACRON */
              } else if (c == 0xff3c) {   /* FULLWIDTH REVERSE SOLIDUS */
                     s1 = 0x2140;
              } else if (c == 0xff5e) {   /* FULLWIDTH TILDE */
                     s1 = 0x2141;
              } else if (c == 0x2225) {   /* PARALLEL TO */
                     s1 = 0x2142;
              } else if (c == 0xff0d) {   /* FULLWIDTH HYPHEN-MINUS */
                     s1 = 0x215d;
              } else if (c == 0xffe0) {   /* FULLWIDTH CENT SIGN */
                     s1 = 0x2171;
              } else if (c == 0xffe1) {   /* FULLWIDTH POUND SIGN */
                     s1 = 0x2172;
              } else if (c == 0xffe2) {   /* FULLWIDTH NOT SIGN */
                     s1 = 0x224c;
              }
       }
       if ((s1 <= 0) || (s1 >= 0xa1a1 && s2 == 0)) { /* not found or X 0212 */
              s1 = -1;
              c1 = 0;
              c2 = cp932ext1_ucs_table_max - cp932ext1_ucs_table_min;
              while (c1 < c2) {           /* CP932 vendor ext1 (13ku) */
                     if (c == cp932ext1_ucs_table[c1]) {
                            s1 = ((c1/94 + 0x2d) << 8) + (c1%94 + 0x21);
                            break;
                     }
                     c1++;
              }
              if (s1 <= 0) {
                     c1 = 0;
                     c2 = cp932ext3_ucs_table_max - cp932ext3_ucs_table_min;
                     while (c1 < c2) {           /* CP932 vendor ext3 (115ku - 119ku) */
                            if (c == cp932ext3_ucs_table[c1]) {
                                   s1 = cp932ext3_cp932ext2_jis(c1);
                                   break;
                            }
                            c1++;
                     }
              }
              if (c == 0) {
                     s1 = 0;
              } else if (s1 <= 0) {
                     s1 = -1;
              }
       }
       if (s1 >= 0) {
              if (s1 < 0x80) { /* latin */
                     if ((filter->status & 0xff00) != 0) {
                            CK((*filter->output_function)(0x1b, filter->data));            /* ESC */
                            CK((*filter->output_function)(0x28, filter->data));            /* '(' */
                            CK((*filter->output_function)(0x42, filter->data));            /* 'B' */
                     }
                     CK((*filter->output_function)(s1, filter->data));
                     filter->status = 0;
              } else if (s1 > 0xa0 && s1 < 0xe0) { /* kana */
                     if ((filter->status & 0xff00) != 0x100) {
                            CK((*filter->output_function)(0x1b, filter->data));            /* ESC */
                            CK((*filter->output_function)(0x28, filter->data));            /* '(' */
                            CK((*filter->output_function)(0x49, filter->data));            /* 'I' */
                     }
                     filter->status = 0x100;
                     CK((*filter->output_function)(s1 & 0x7f, filter->data));
              } else if (s1 < 0x7e7f) { /* X 0208 */
                     if ((filter->status & 0xff00) != 0x200) {
                            CK((*filter->output_function)(0x1b, filter->data));            /* ESC */
                            CK((*filter->output_function)(0x24, filter->data));            /* '$' */
                            CK((*filter->output_function)(0x42, filter->data));            /* 'B' */
                     }
                     filter->status = 0x200;
                     CK((*filter->output_function)((s1 >> 8) & 0xff, filter->data));
                     CK((*filter->output_function)(s1 & 0x7f, filter->data));
              } else if (s1 < 0x927f) { /* UDC */
                     if ((filter->status & 0xff00) != 0x800) {
                            CK((*filter->output_function)(0x1b, filter->data));            /* ESC */
                            CK((*filter->output_function)(0x24, filter->data));            /* '$' */
                            CK((*filter->output_function)(0x28, filter->data));            /* '(' */
                            CK((*filter->output_function)(0x3f, filter->data));            /* '?' */
                     }
                     filter->status = 0x800;
                     CK((*filter->output_function)(((s1 >> 8) - 0x5e) & 0x7f, filter->data));
                     CK((*filter->output_function)(s1 & 0x7f, filter->data));
              }
       } else {
              if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
                     CK(mbfl_filt_conv_illegal_output(c, filter));
              }
       }

       return c;
}

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static int mbfl_filt_ident_2022jpms ( int  c,
mbfl_identify_filter *  filter 
) [static]

Definition at line 436 of file mbfilter_iso2022_jp_ms.c.

{
retry:
       switch (filter->status & 0xf) {
/*     case 0x00:     ASCII */
/*     case 0x10:     X 0201 latin */
/*     case 0x20:     X 0201 kana */
/*     case 0x80:     X 0208 */
/*     case 0xa0:     X UDC */
       case 0:
              if (c == 0x1b) {
                     filter->status += 2;
              } else if ((filter->status == 0x80 || filter->status == 0xa0) && c > 0x20 && c < 0x80) {          /* kanji first char */
                     filter->status += 1;
              } else if (c >= 0 && c < 0x80) {          /* latin, CTLs */
                     ;
              } else {
                     filter->flag = 1;    /* bad */
              }
              break;

/*     case 0x81:     X 0208 second char */
/*     case 0xa1:     UDC second char */
       case 1:
              filter->status &= ~0xf;
              if (c == 0x1b) {
                     goto retry;
              } else if (c < 0x21 || c > 0x7e) {        /* bad */
                     filter->flag = 1;
              }
              break;

       /* ESC */
       case 2:
              if (c == 0x24) {            /* '$' */
                     filter->status++;
              } else if (c == 0x28) {            /* '(' */
                     filter->status += 3;
              } else {
                     filter->flag = 1;    /* bad */
                     filter->status &= ~0xf;
                     goto retry;
              }
              break;

       /* ESC $ */
       case 3:
              if (c == 0x40 || c == 0x42) {             /* '@' or 'B' */
                     filter->status = 0x80;
              } else if (c == 0x28) {     /* '(' */
                     filter->status++;
              } else {
                     filter->flag = 1;    /* bad */
                     filter->status &= ~0xf;
                     goto retry;
              }
              break;

       /* ESC $ ( */
       case 4:
              if (c == 0x40 || c == 0x42) {             /* '@' or 'B' */
                     filter->status = 0x80;
              } else if (c == 0x3f) {            /* '?' */
                     filter->status = 0xa0;
              } else {
                     filter->flag = 1;    /* bad */
                     filter->status &= ~0xf;
                     goto retry;
              }
              break;

       /* ESC ( */
       case 5:
              if (c == 0x42) {            /* 'B' */
                     filter->status = 0;
              } else if (c == 0x4a) {            /* 'J' */
                     filter->status = 0;
              } else if (c == 0x49) {            /* 'I' */
                     filter->status = 0x20;
              } else {
                     filter->flag = 1;    /* bad */
                     filter->status &= ~0xf;
                     goto retry;
              }
              break;

       default:
              filter->status = 0;
              break;
       }

       return c;
}

Variable Documentation

Initial value:
 {
       mbfl_no_encoding_2022jpms,
       "ISO-2022-JP-MS",
       "ISO-2022-JP",
       (const char *(*)[])&mbfl_encoding_2022jpms_aliases,
       NULL,
       MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_SHFTCODE
}

Definition at line 45 of file mbfilter_iso2022_jp_ms.c.

const char* mbfl_encoding_2022jpms_aliases[] = {"ISO2022JPMS", NULL} [static]

Definition at line 43 of file mbfilter_iso2022_jp_ms.c.