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php5  5.3.10
Functions | Variables
mbfilter_big5.h File Reference
#include "mbfilter.h"
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Functions

int mbfl_filt_conv_big5_wchar (int c, mbfl_convert_filter *filter)
int mbfl_filt_conv_wchar_big5 (int c, mbfl_convert_filter *filter)

Variables

const mbfl_encoding mbfl_encoding_big5

Function Documentation

int mbfl_filt_conv_big5_wchar ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 102 of file mbfilter_big5.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 > 0xa0 && 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 ((c > 0x39 && c < 0x7f) | (c > 0xa0 && c < 0xff)) {
                     if (c < 0x7f){
                            w = (c1 - 0xa1)*157 + (c - 0x40);
                     } else {
                            w = (c1 - 0xa1)*157 + (c - 0xa1) + 0x3f;
                     }
                     if (w >= 0 && w < big5_ucs_table_size) {
                            w = big5_ucs_table[w];
                     } else {
                            w = 0;
                     }
                     if (w <= 0) {
                            w = (c1 << 8) | c;
                            w &= MBFL_WCSPLANE_MASK;
                            w |= MBFL_WCSPLANE_BIG5;
                     }
                     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_big5 ( int  c,
mbfl_convert_filter *  filter 
)

Definition at line 162 of file mbfilter_big5.c.

{
       int c1, s;

       s = 0;
       if (c >= ucs_a1_big5_table_min && c < ucs_a1_big5_table_max) {
              s = ucs_a1_big5_table[c - ucs_a1_big5_table_min];
       } else if (c >= ucs_a2_big5_table_min && c < ucs_a2_big5_table_max) {
              s = ucs_a2_big5_table[c - ucs_a2_big5_table_min];
       } else if (c >= ucs_a3_big5_table_min && c < ucs_a3_big5_table_max) {
              s = ucs_a3_big5_table[c - ucs_a3_big5_table_min];
       } else if (c >= ucs_i_big5_table_min && c < ucs_i_big5_table_max) {
              s = ucs_i_big5_table[c - ucs_i_big5_table_min];
       } else if (c >= ucs_pua_big5_table_min && c < ucs_pua_big5_table_max) {
              s = ucs_pua_big5_table[c - ucs_pua_big5_table_min];
       } else if (c >= ucs_r1_big5_table_min && c < ucs_r1_big5_table_max) {
              s = ucs_r1_big5_table[c - ucs_r1_big5_table_min];
       } else if (c >= ucs_r2_big5_table_min && c < ucs_r2_big5_table_max) {
              s = ucs_r2_big5_table[c - ucs_r2_big5_table_min];
       }
       if (s <= 0) {
              c1 = c & ~MBFL_WCSPLANE_MASK;
              if (c1 == MBFL_WCSPLANE_BIG5) {
                     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;
}

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Variable Documentation

Definition at line 62 of file mbfilter_big5.c.