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php5  5.3.10
Defines | Functions | Variables
mbfilter_cp936.c File Reference
#include "mbfilter.h"
#include "mbfilter_cp936.h"
#include "unicode_table_cp936.h"

Go to the source code of this file.

Defines

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

Functions

static int mbfl_filt_ident_cp936 (int c, mbfl_identify_filter *filter)
int mbfl_filt_conv_cp936_wchar (int c, mbfl_convert_filter *filter)
int mbfl_filt_conv_wchar_cp936 (int c, mbfl_convert_filter *filter)

Variables

static const unsigned char mblen_table_cp936 []
static const char * mbfl_encoding_cp936_aliases [] = {"CP-936", "GBK", NULL}
const mbfl_encoding mbfl_encoding_cp936

Define Documentation

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

Definition at line 97 of file mbfilter_cp936.c.


Function Documentation

int mbfl_filt_conv_cp936_wchar ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 103 of file mbfilter_cp936.c.

{
       int c1, w;

       switch (filter->status) {
       case 0:
              if (c >= 0 && c < 0x80) {   /* latin */
                     CK((*filter->output_function)(c, filter->data));
              } else if (c == 0x80) {     /* euro sign */
                     CK((*filter->output_function)(0x20ac, filter->data));
              } else if (c > 0x80 && c < 0xff) { /* dbcs lead byte */
                     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:              /* dbcs second byte */
              filter->status = 0;
              c1 = filter->cache;
              if ( c1 < 0xff && c1 > 0x80 && c > 0x39 && c < 0xff && c != 0x7f) {
                     w = (c1 - 0x81)*192 + (c - 0x40);
                     if (w >= 0 && w < cp936_ucs_table_size) {
                            w = cp936_ucs_table[w];
                     } else {
                            w = 0;
                     }
                     if (w <= 0) {
                            w = (c1 << 8) | c;
                            w &= MBFL_WCSPLANE_MASK;
                            w |= MBFL_WCSPLANE_WINCP936;
                     }
                     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_cp936 ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 161 of file mbfilter_cp936.c.

{
       int c1, s;

       s = 0;
       if (c >= ucs_a1_cp936_table_min && c < ucs_a1_cp936_table_max) {
              s = ucs_a1_cp936_table[c - ucs_a1_cp936_table_min];
       } else if (c >= ucs_a2_cp936_table_min && c < ucs_a2_cp936_table_max) {
              s = ucs_a2_cp936_table[c - ucs_a2_cp936_table_min];
       } else if (c >= ucs_a3_cp936_table_min && c < ucs_a3_cp936_table_max) {
              s = ucs_a3_cp936_table[c - ucs_a3_cp936_table_min];
       } else if (c >= ucs_i_cp936_table_min && c < ucs_i_cp936_table_max) {
              s = ucs_i_cp936_table[c - ucs_i_cp936_table_min];
       } else if (c >= ucs_ci_cp936_table_min && c < ucs_ci_cp936_table_max) {
              s = ucs_ci_cp936_table[c - ucs_ci_cp936_table_min];
       } else if (c >= ucs_cf_cp936_table_min && c < ucs_cf_cp936_table_max) {
              s = ucs_cf_cp936_table[c - ucs_cf_cp936_table_min];
       } else if (c >= ucs_sfv_cp936_table_min && c < ucs_sfv_cp936_table_max) {
              s = ucs_sfv_cp936_table[c - ucs_sfv_cp936_table_min];
       } else if (c >= ucs_hff_cp936_table_min && c < ucs_hff_cp936_table_max) {
              s = ucs_hff_cp936_table[c - ucs_hff_cp936_table_min];
       }
       if (s <= 0) {
              c1 = c & ~MBFL_WCSPLANE_MASK;
              if (c1 == MBFL_WCSPLANE_WINCP936) {
                     s = c & MBFL_WCSPLANE_MASK;
              }
              if (c == 0) {
                     s = 0;
              } else if (s <= 0) {
                     s = -1;
              }
       }
       if (s >= 0) {
              if (s <= 0x80) {     /* latin */
                     CK((*filter->output_function)(s, filter->data));
              } else {
                     CK((*filter->output_function)((s >> 8) & 0xff, filter->data));
                     CK((*filter->output_function)(s & 0xff, 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_cp936 ( int  c,
mbfl_identify_filter *  filter 
) [static]

Definition at line 210 of file mbfilter_cp936.c.

{
       if (filter->status) {              /* kanji second char */
              if (c < 0x40 || c > 0xfe || c == 0x7f) {  /* bad */
                  filter->flag = 1;
              }
              filter->status = 0;
       } else if (c >= 0 && c < 0x80) {   /* latin  ok */
              ;
       } else if (c > 0x80 && c < 0xff) { /* DBCS lead byte */
              filter->status = 1;
       } else {                                                /* bad */
              filter->flag = 1;
       }

       return c;
}

Variable Documentation

Initial value:

Definition at line 62 of file mbfilter_cp936.c.

const char* mbfl_encoding_cp936_aliases[] = {"CP-936", "GBK", NULL} [static]

Definition at line 60 of file mbfilter_cp936.c.

const unsigned char mblen_table_cp936[] [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,
  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, 1
}

Definition at line 41 of file mbfilter_cp936.c.