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

Go to the source code of this file.

Defines

#define CK(statement)   do { if ((statement) < 0) return (-1); } while (0)
#define SJIS_ENCODE(c1, c2, s1, s2)
#define SJIS_DECODE(c1, c2, s1, s2)

Functions

static int mbfl_filt_ident_sjis_open (int c, mbfl_identify_filter *filter)
int mbfl_filt_conv_sjis_open_wchar (int c, mbfl_convert_filter *filter)
int mbfl_filt_conv_wchar_sjis_open (int c, mbfl_convert_filter *filter)

Variables

static const unsigned char mblen_table_sjis []
static const char * mbfl_encoding_sjis_open_aliases [] = {"SJIS-open", "SJIS-ms", NULL}
const mbfl_encoding mbfl_encoding_sjis_open

Define Documentation

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

Definition at line 97 of file mbfilter_sjis_open.c.

#define SJIS_DECODE (   c1,
  c2,
  s1,
  s2 
)
Value:
do {                                      \
                     s1 = c1;                           \
                     if (s1 < 0xa0) {            \
                            s1 -= 0x81;                 \
                     } else {                           \
                            s1 -= 0xc1;                 \
                     }                                         \
                     s1 <<= 1;                          \
                     s1 += 0x21;                        \
                     s2 = c2;                           \
                     if (s2 < 0x9f) {            \
                            if (s2 < 0x7f) {     \
                                   s2++;                \
                            }                                  \
                            s2 -= 0x20;                 \
                     } else {                           \
                            s1++;                       \
                            s2 -= 0x7e;                 \
                     }                                         \
              } while (0)

Definition at line 120 of file mbfilter_sjis_open.c.

#define SJIS_ENCODE (   c1,
  c2,
  s1,
  s2 
)
Value:
do {                                      \
                     s1 = c1;                           \
                     s1--;                              \
                     s1 >>= 1;                          \
                     if ((c1) < 0x5f) {          \
                            s1 += 0x71;                 \
                     } else {                           \
                            s1 += 0xb1;                 \
                     }                                         \
                     s2 = c2;                           \
                     if ((c1) & 1) {                    \
                            if ((c2) < 0x60) {   \
                                   s2--;                \
                            }                                  \
                            s2 += 0x20;                 \
                     } else {                           \
                            s2 += 0x7e;                 \
                     }                                         \
              } while (0)

Definition at line 99 of file mbfilter_sjis_open.c.


Function Documentation

int mbfl_filt_conv_sjis_open_wchar ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 147 of file mbfilter_sjis_open.c.

{
       int c1, s, s1, s2, w;

       switch (filter->status) {
       case 0:
              if (c >= 0 && c < 0x80) {   /* latin */
                     CK((*filter->output_function)(c, filter->data));
              } else if (c > 0xa0 && c < 0xe0) { /* kana */
                     CK((*filter->output_function)(0xfec0 + c, filter->data));
              } else if (c > 0x80 && c < 0xfd && c != 0xa0) {  /* kanji first char */
                     filter->status = 1;
                     filter->cache = c;
              } else {
                     w = c & MBFL_WCSGROUP_MASK;
                     w |= MBFL_WCSGROUP_THROUGH;
                     CK((*filter->output_function)(w, filter->data));
              }
              break;

       case 1:              /* kanji second char */
              filter->status = 0;
              c1 = filter->cache;
              if (c >= 0x40 && c <= 0xfc && c != 0x7f) {
                     w = 0;
                     SJIS_DECODE(c1, c, s1, s2);
                     s = (s1 - 0x21)*94 + s2 - 0x21;
                     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) {            /* X 0208 */
                                   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 if (s >= cp932ext3_ucs_table_min && s < cp932ext3_ucs_table_max) {           /* vendor ext3 (115ku - 119ku) */
                                   w = cp932ext3_ucs_table[s - cp932ext3_ucs_table_min];
                            } else if (s >= (94*94) && s < (114*94)) {              /* user (95ku - 114ku) */
                                   w = s - (94*94) + 0xe000;
                            }
                     }
                     if (w <= 0) {
                            w = (s1 << 8) | s2;
                            w &= MBFL_WCSPLANE_MASK;
                            w |= MBFL_WCSPLANE_WINCP932;
                     }
                     CK((*filter->output_function)(w, filter->data));
              } 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;

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

       return c;
}
int mbfl_filt_conv_wchar_sjis_open ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 232 of file mbfilter_sjis_open.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;
              s2 = 1;
       }
       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 >= 0x8080 && 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 = ((c1/94 + 0x93) << 8) + (c1%94 + 0x21);
                                   break;
                            }
                            c1++;
                     }
              }
              if (c == 0) {
                     s1 = 0;
              } else if (s1 <= 0) {
                     s1 = -1;
              }
       }
       if (s1 >= 0) {
              if (s1 < 0x100) { /* latin or kana */
                     CK((*filter->output_function)(s1, filter->data));
              } else { /* kanji */
                     c1 = (s1 >> 8) & 0xff;
                     c2 = s1 & 0xff;
                     SJIS_ENCODE(c1, c2, s1, s2);
                     CK((*filter->output_function)(s1, filter->data));
                     CK((*filter->output_function)(s2, filter->data));
              }
       } else {
              if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
                     CK(mbfl_filt_conv_illegal_output(c, filter));
              }
       }

       return c;
}

Here is the call graph for this function:

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

Definition at line 330 of file mbfilter_sjis_open.c.

{
       if (filter->status) {              /* kanji second char */
              if (c < 0x40 || c > 0xfc || c == 0x7f) {  /* bad */
                  filter->flag = 1;
              }
              filter->status = 0;
       } else if (c >= 0 && c < 0x80) {   /* latin  ok */
              ;
       } else if (c > 0xa0 && c < 0xe0) { /* kana  ok */
              ;
       } else if (c > 0x80 && c < 0xfd && c != 0xa0) {  /* kanji first char */
              filter->status = 1;
       } else {                                                /* bad */
              filter->flag = 1;
       }

       return c;
}

Variable Documentation

Initial value:

Definition at line 63 of file mbfilter_sjis_open.c.

const char* mbfl_encoding_sjis_open_aliases[] = {"SJIS-open", "SJIS-ms", NULL} [static]

Definition at line 61 of file mbfilter_sjis_open.c.

const unsigned char mblen_table_sjis[] [static]
Initial value:
 { 
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  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,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
  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
}

Definition at line 42 of file mbfilter_sjis_open.c.