root/ext/mbstring/libmbfl/filters/mbfilter_sjis_2004.c

/* [<][>][^][v][top][bottom][index][help] */

DEFINITIONS

This source file includes following definitions.
  1. mbfl_filt_conv_jis2004_wchar
  2. mbfl_filt_conv_wchar_jis2004
  3. mbfl_filt_conv_jis2004_flush

/*
 * "streamable kanji code filter and converter"
 * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
 *
 * LICENSE NOTICES
 *
 * This file is part of "streamable kanji code filter and converter",
 * which is distributed under the terms of GNU Lesser General Public 
 * License (version 2) as published by the Free Software Foundation.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with "streamable kanji code filter and converter";
 * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
 * Suite 330, Boston, MA  02111-1307  USA
 *
 * The author of this file:
 *
 */
/*
 * The source code included in this files was separated from mbfilter_sjis.c
 * by rui hirokawa <hirokawa@php.net> on 15 aug 2011.
 * 
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "mbfilter.h"
#include "mbfilter_sjis_2004.h"

#include "unicode_table_jis2004.h"
#include "unicode_table_jis.h"

extern const unsigned char mblen_table_sjis[];

static int mbfl_filt_ident_sjis2004(int c, mbfl_identify_filter *filter);

extern int mbfl_filt_ident_sjis(int c, mbfl_identify_filter *filter);
extern int mbfl_bisec_srch(int w, const unsigned short *tbl, int n);
extern int mbfl_bisec_srch2(int w, const unsigned short tbl[], int n);

static const char *mbfl_encoding_sjis2004_aliases[] = {"SJIS2004","Shift_JIS-2004", NULL};

const mbfl_encoding mbfl_encoding_sjis2004 = {
        mbfl_no_encoding_sjis2004,
        "SJIS-2004",
        "Shift_JIS",
        (const char *(*)[])&mbfl_encoding_sjis2004_aliases,
        mblen_table_sjis,
        MBFL_ENCTYPE_MBCS | MBFL_ENCTYPE_GL_UNSAFE
};

const struct mbfl_identify_vtbl vtbl_identify_sjis2004 = {
        mbfl_no_encoding_sjis2004,
        mbfl_filt_ident_common_ctor,
        mbfl_filt_ident_common_dtor,
        mbfl_filt_ident_sjis
};

const struct mbfl_convert_vtbl vtbl_sjis2004_wchar = {
        mbfl_no_encoding_sjis2004,
        mbfl_no_encoding_wchar,
        mbfl_filt_conv_common_ctor,
        mbfl_filt_conv_common_dtor,
        mbfl_filt_conv_jis2004_wchar,
        mbfl_filt_conv_common_flush
};

const struct mbfl_convert_vtbl vtbl_wchar_sjis2004 = {
        mbfl_no_encoding_wchar,
        mbfl_no_encoding_sjis2004,
        mbfl_filt_conv_common_ctor,
        mbfl_filt_conv_common_dtor,
        mbfl_filt_conv_wchar_jis2004,
        mbfl_filt_conv_jis2004_flush
};

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

#define SJIS_ENCODE(c1,c2,s1,s2)        \
                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)

#define SJIS_DECODE(c1,c2,s1,s2)        \
                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)


/*
 * JIS-2004 => wchar
 */
int
mbfl_filt_conv_jis2004_wchar(int c, mbfl_convert_filter *filter)
{
        int k;
        int c1, c2, s, s1 = 0, s2 = 0, w = 0, w1;

retry:
        switch (filter->status & 0xf) {
        case 0:
                if (c >= 0 && c < 0x80) {       /* latin */
                        if (filter->from->no_encoding == mbfl_no_encoding_eucjp2004) {
                                CK((*filter->output_function)(c, filter->data));
                        } else if (filter->from->no_encoding == mbfl_no_encoding_sjis2004) {
                                if (c == 0x5c) {
                                        CK((*filter->output_function)(0x00a5, filter->data));
                                } else if (c == 0x7e) {
                                        CK((*filter->output_function)(0x203e, filter->data));
                                } else {
                                        CK((*filter->output_function)(c, filter->data));
                                }
                        } else { /* ISO-2022-JP-2004 */
                                if (c == 0x1b) {
                                        filter->status += 6;
                                } else if ((filter->status == 0x80 || filter->status == 0x90 || filter->status == 0xa0)
                                   && c > 0x20 && c < 0x7f) {           /* kanji first char */
                                        filter->cache = c;
                                        if (filter->status == 0x90) {
                                                filter->status += 1; /* JIS X 0213 plane 1 */                   
                                        } else if (filter->status == 0xa0) {
                                                filter->status += 4; /* JIS X 0213 plane 2 */                   
                                        } else {
                                                filter->status += 5; /* JIS X 0208 */                                           
                                        }
                                } else {
                                        CK((*filter->output_function)(c, filter->data));
                                }
                        }
                } else {
                        if (filter->from->no_encoding == mbfl_no_encoding_eucjp2004) {
                                if (c > 0xa0 && c < 0xff) {     /* X 0213 plane 1 first char */
                                        filter->status = 1;
                                        filter->cache = c;
                                } else if (c == 0x8e) { /* kana first char */
                                        filter->status = 2;
                                } else if (c == 0x8f) { /* X 0213 plane 2 first char */
                                        filter->status = 3;                             
                                } else {
                                        w = c & MBFL_WCSGROUP_MASK;
                                        w |= MBFL_WCSGROUP_THROUGH;
                                        CK((*filter->output_function)(w, filter->data));
                                }
                        } else if (filter->from->no_encoding == mbfl_no_encoding_sjis2004) {
                                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));
                                }
                        } 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 &= ~0xf;
                c1 = filter->cache;

                if (filter->from->no_encoding == mbfl_no_encoding_eucjp2004) {
                        if (c > 0xa0 && c < 0xff) {
                                s1 = c1 - 0x80;
                                s2 = c - 0x80;
                        }
                } else if (filter->from->no_encoding == mbfl_no_encoding_sjis2004) {
                        if (c >= 0x40 && c <= 0xfc && c != 0x7f) {
                                SJIS_DECODE(c1, c, s1, s2);
                        }
                } else {
                        s1 = c1;
                        s2 = c;
                }
                w1 = (s1 << 8) | s2;

                if (w1 >= 0x2121) {
                        /* conversion for combining characters */
                        if ((w1 >= 0x2477 && w1 <= 0x2479) || (w1 >= 0x2479 && w1 <= 0x247B) ||
                                (w1 >= 0x2577 && w1 <= 0x257E) || w1 == 0x2678 || w1 == 0x2B44 ||
                                (w1 >= 0x2B48 && w1 <= 0x2B4F) || (w1 >= 0x2B65 && w1 <= 0x2B66)) {
                                k = mbfl_bisec_srch2(w1, jisx0213_u2_key, jisx0213_u2_tbl_len);
                                if (k >= 0) {
                                        w = jisx0213_u2_tbl[2*k];
                                        CK((*filter->output_function)(w, filter->data));
                                        w = jisx0213_u2_tbl[2*k+1];
                                }
                        } 

                        /* conversion for BMP  */
                        if (w <= 0) {
                                w1 = (s1 - 0x21)*94 + s2 - 0x21;
                                if (w1 >= 0 && w1 < jisx0213_ucs_table_size) {
                                        w = jisx0213_ucs_table[w1];
                                }
                        }

                        /* conversion for CJK Unified Ideographs ext.B (U+2XXXX) */
                        if (w <= 0) {
                                w1 = (s1 << 8) | s2;
                                k = mbfl_bisec_srch2(w1, jisx0213_jis_u5_key, jisx0213_u5_tbl_len);
                                if (k >= 0) {
                                        w = jisx0213_jis_u5_tbl[k] + 0x20000;
                                }
                        }

                        if (w <= 0) {
                                if (s1 < 0x7f && s2 < 0x7f) {
                                        w = (s1 << 8) | s2;
                                        w &= MBFL_WCSPLANE_MASK;
                                        w |= MBFL_WCSPLANE_JIS0213;
                                } else {
                                        w = (c1 << 8) | c;
                                        w &= MBFL_WCSGROUP_MASK;
                                        w |= MBFL_WCSGROUP_THROUGH;
                                }
                        }
                        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;

        case 2: /* got 0x8e : EUC-JP-2004 kana */
                filter->status = 0;
                if (c > 0xa0 && c < 0xe0) {
                        w = 0xfec0 + c;
                        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 = 0x8e00 | c;
                        w &= MBFL_WCSGROUP_MASK;
                        w |= MBFL_WCSGROUP_THROUGH;
                        CK((*filter->output_function)(w, filter->data));
                }
                break;

        case 3: /* X 0213 plane 2 first char : EUC-JP-2004 (0x8f), ISO-2022-JP-2004 */
                if ((c >= 0 && c < 0x21) || c == 0x7f) {                /* CTLs */
                        CK((*filter->output_function)(c, filter->data));
                        filter->status = 0;
                } else {
                        if (filter->from->no_encoding == mbfl_no_encoding_eucjp2004) {
                                s1 = c - 0x80;
                        } else {
                                s1 = c;
                        }
                        if (s1 > 0x20 && s1 < 0x80) {
                                filter->cache = s1;
                                filter->status++;
                        } else {
                                if (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                        w = c | 0x8f00;
                                        w &= MBFL_WCSGROUP_MASK;
                                        w |= MBFL_WCSGROUP_THROUGH;
                                } else {
                                        w = c & 0x7f;
                                        w &= MBFL_WCSPLANE_MASK;
                                        w |= MBFL_WCSPLANE_JIS0213;                             
                                }
                                CK((*filter->output_function)(w, filter->data));
                        }
                }
                break;

        case 4: /* X 0213 plane 2 second char : EUC-JP-2004, ISO-2022-JP-2004 */

                filter->status &= ~0xf;
                c1 = filter->cache;
                if (filter->from->no_encoding == mbfl_no_encoding_eucjp2004) {
                        c2 = c - 0x80;
                } else {
                        c2 = c;
                }
                s1 = c1 - 0x21;
                s2 = c2 - 0x21;

                if (((s1 >= 0 && s1 <= 4 && s1 != 1) || s1 == 7 || (s1 >= 11 && s1 <= 14) || 
                        (s1 >= 77 && s1 < 94)) && s2 >= 0 && s2 < 94) {
                        /* calc offset from ku */
                        for (k = 0; k < jisx0213_p2_ofst_len; k++) {
                                if (s1 == jisx0213_p2_ofst[k]-1) {
                                        break;
                                } 
                        }                       
                        k = k - (jisx0213_p2_ofst[k]-1);

                        /* check for japanese chars in BMP */
                        s = (s1 + 94 + k)*94 + s2;
                        if (s >= 0 && s < jisx0213_ucs_table_size) {
                                w = jisx0213_ucs_table[s];
                        } else {
                                w = 0;
                        }

                        /* check for japanese chars in CJK Unified Ideographs ext.B (U+2XXXX) */
                        if (w <= 0) {
                                w1 = ((c1 + k + 94) << 8) | c2;
                                k = mbfl_bisec_srch2(w1, jisx0213_jis_u5_key, jisx0213_u5_tbl_len);
                                if (k >= 0) {
                                        w = jisx0213_jis_u5_tbl[k] + 0x20000;
                                }
                        }

                        if (w <= 0) {
                                w = ((c1 & 0x7f) << 8) | (c2 & 0x7f);
                                w &= MBFL_WCSPLANE_MASK;
                                w |= MBFL_WCSPLANE_JIS0213;
                        }

                        CK((*filter->output_function)(w, filter->data));                        
                } else if ((c >= 0 && c < 0x21) || c == 0x7f) {         /* CTLs */
                        CK((*filter->output_function)(c, filter->data));
                } else {
                        if (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                w = (c1 << 8) | c | 0x8f0000;
                                w &= MBFL_WCSGROUP_MASK;
                                w |= MBFL_WCSGROUP_THROUGH;
                        } else {
                                w = ((c1 & 0x7f) << 8) | (c2 & 0x7f);
                                w &= MBFL_WCSPLANE_MASK;
                                w |= MBFL_WCSPLANE_JIS0213;                             
                        }
                        CK((*filter->output_function)(w, filter->data));
                }

                break;

        case 5: /* X 0208 : ISO-2022-JP-2004 */
                filter->status &= ~0xf;
                c1 = filter->cache;
                if (c > 0x20 && c < 0x7f) {
                        s = (c1 - 0x21)*94 + c - 0x21;
                        if (s >= 0 && s < jisx0208_ucs_table_size) {
                                w = jisx0208_ucs_table[s];
                        }
                } 
                if (w <= 0) {
                        w = (c1 << 8) | c;
                        w &= MBFL_WCSPLANE_MASK;
                        w |= MBFL_WCSPLANE_JIS0208;
                }
                CK((*filter->output_function)(w, filter->data));
                break;

        /* ESC : ISO-2022-JP-2004 */
/*      case 0x06:      */
/*      case 0x16:      */
/*      case 0x26:      */
/*      case 0x86:      */
/*      case 0x96:      */
/*      case 0xa6:      */
        case 6:
                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 $ : ISO-2022-JP-2004 */
/*      case 0x07:      */
/*      case 0x17:      */
/*      case 0x27:      */
/*      case 0x87:      */
/*      case 0x97:      */
/*      case 0xa7:      */
        case 7:
                if (c == 0x42) {        /* 'B' -> JIS X 0208-1983 */
                        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;

                break;

        /* ESC $ ( : ISO-2022-JP-2004 */
/*      case 0x08:      */
/*      case 0x18:      */
/*      case 0x28:      */
/*      case 0x88:      */
/*      case 0x98:      */
/*      case 0xa8:      */
        case 8:
                if (c == 0x51) {        /* JIS X 0213 plane 1 */
                        filter->status = 0x90;
                } else if (c == 0x50) {                 /* JIS X 0213 plane 2 */
                        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 ( : ISO-2022-JP-2004 */
/*      case 0x09:      */
/*      case 0x19:      */
/*      case 0x29:      */
/*      case 0x89:      */
/*      case 0x99:      */
        case 9:
                if (c == 0x42) {                /* 'B' : ASCII */
                        filter->status = 0;
                } 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_wchar_jis2004(int c, mbfl_convert_filter *filter) {
        int k;
        int c1, c2, s1 = 0, s2;

retry:

        /* check for 1st char of combining characters */
        if ((filter->status & 0xf)== 0 && ( 
                        c == 0x00E6 ||
                        (c >= 0x0254 && c <= 0x02E9) || 
                        (c >= 0x304B && c <= 0x3053) ||
                        (c >= 0x30AB && c <= 0x30C8) ||
                        c == 0x31F7)) {
                for (k=0;k<jisx0213_u2_tbl_len;k++) {
                        if (c == jisx0213_u2_tbl[2*k]) {
                                filter->status++;
                                filter->cache = k;
                                return c;
                        }
                }
        }       

        /* check for 2nd char of combining characters */
        if ((filter->status & 0xf) == 1 && 
                filter->cache >= 0 && filter->cache <= jisx0213_u2_tbl_len) {
                k = filter->cache;
                filter->status &= ~0xf;
                filter->cache = 0;
                
                c1 = jisx0213_u2_tbl[2*k];
                if ((c1 == 0x0254 || c1 == 0x028C || c1 == 0x0259 || c1 == 0x025A) 
                        && c == 0x0301) {
                        k++;
                }
                if (c == jisx0213_u2_tbl[2*k+1]) {
                        s1 = jisx0213_u2_key[k];
                } else { /* fallback */
                        s1 = jisx0213_u2_fb_tbl[k];     

                        if (filter->to->no_encoding == mbfl_no_encoding_sjis2004) {
                                c1 = (s1 >> 8) & 0xff;
                                c2 = s1 & 0xff;
                                SJIS_ENCODE(c1, c2, s1, s2);
                        } else if (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                s2 = (s1 & 0xff) + 0x80;
                                s1 = ((s1 >> 8) & 0xff) + 0x80;
                        } else {
                                if (filter->status != 0x200) {
                                        CK((*filter->output_function)(0x1b, filter->data));
                                        CK((*filter->output_function)(0x24, filter->data));                             
                                        CK((*filter->output_function)(0x28, filter->data));
                                        CK((*filter->output_function)(0x51, filter->data));
                                }
                                filter->status = 0x200;

                                s2 = s1 & 0x7f;
                                s1 = (s1 >> 8) & 0x7f;
                        }

                        CK((*filter->output_function)(s1, filter->data));
                        CK((*filter->output_function)(s2, filter->data));
                        goto retry;
                }
        }

        /* check for major japanese chars: U+4E00 - U+9FFF */
        if (s1 <= 0) {
                for (k=0; k < uni2jis_tbl_len ;k++) {
                        if (c >= uni2jis_tbl_range[k][0] && c <= uni2jis_tbl_range[k][1]) {
                                s1 = uni2jis_tbl[k][c-uni2jis_tbl_range[k][0]];
                                break;
                        }
                }
        }
        
        /* check for japanese chars in compressed mapping area: U+1E00 - U+4DBF */
        if (s1 <= 0 && c >= ucs_c1_jisx0213_min && c <= ucs_c1_jisx0213_max) {
                k = mbfl_bisec_srch(c, ucs_c1_jisx0213_tbl, ucs_c1_jisx0213_tbl_len);
                if (k >= 0) {
                        s1 = ucs_c1_jisx0213_ofst[k] + c - ucs_c1_jisx0213_tbl[2*k];
                }
        }
        
        /* check for japanese chars in CJK Unified Ideographs ext.B (U+2XXXX) */
        if (s1 <= 0 && c >= jisx0213_u5_tbl_min && c <= jisx0213_u5_tbl_max) {
                k = mbfl_bisec_srch2(c - 0x20000, jisx0213_u5_jis_key, jisx0213_u5_tbl_len);
                if (k >= 0) {
                        s1 = jisx0213_u5_jis_tbl[k];
                }
        }

        if (s1 <= 0) {
                /* CJK Compatibility Forms: U+FE30 - U+FE4F */
                if (c == 0xfe45) {
                        s1 = 0x233e;
                } else if (c == 0xfe46) {
                        s1 = 0x233d;
                } else if (c >= 0xf91d && c <= 0xf9dc) { 
                        /* CJK Compatibility Ideographs: U+F900 - U+F92A */
                        k = mbfl_bisec_srch2(c, ucs_r2b_jisx0213_cmap_key, ucs_r2b_jisx0213_cmap_len);
                        if (k >= 0) {
                                s1 = ucs_r2b_jisx0213_cmap_val[k];
                        }
                }
        }

        if (s1 <= 0) {
                c1 = c & ~MBFL_WCSPLANE_MASK;
                if (c1 == MBFL_WCSPLANE_JIS0213) {
                        s1 = c & MBFL_WCSPLANE_MASK;
                }
                if (c == 0) {
                        s1 = 0;
                } else if (s1 <= 0) {
                        s1 = -1;
                }
        } else if (s1 >= 0x9980) {
                s1 = -1;
        }

        if (s1 >= 0) {
                if (s1 < 0x80) { /* ASCII */
                        if (filter->to->no_encoding == mbfl_no_encoding_2022jp_2004 &&
                                (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 = 0;
                        CK((*filter->output_function)(s1, filter->data));
                } else if (s1 < 0x100) { /* latin or kana */
                        if  (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                CK((*filter->output_function)(0x8e, filter->data));
                        }
                        CK((*filter->output_function)(s1, filter->data));
                } else if (s1 < 0x7f00) { /* X 0213 plane 1 */
                        if (filter->to->no_encoding == mbfl_no_encoding_sjis2004) {
                                c1 = (s1 >> 8) & 0xff;
                                c2 = s1 & 0xff;
                                SJIS_ENCODE(c1, c2, s1, s2);
                        } else if  (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                s2 = (s1 & 0xff) + 0x80;
                                s1 = ((s1 >> 8) & 0xff) + 0x80;
                        } else {
                                if ((filter->status & 0xff00) != 0x200) {
                                        CK((*filter->output_function)(0x1b, filter->data));             /* ESC */
                                        CK((*filter->output_function)(0x24, filter->data));             /* '$' */
                                        CK((*filter->output_function)(0x28, filter->data));             /* '(' */
                                        CK((*filter->output_function)(0x51, filter->data));             /* 'Q' */
                                }
                                filter->status = 0x200;
                                s2 = s1 & 0xff;
                                s1 = (s1 >> 8) & 0xff;                          
                        }
                        CK((*filter->output_function)(s1, filter->data));
                        CK((*filter->output_function)(s2, filter->data));                       
                } else { /* X 0213 plane 2 */
                        if (filter->to->no_encoding == mbfl_no_encoding_sjis2004) {
                                c1 = (s1 >> 8) & 0xff;
                                c2 = s1 & 0xff;
                                SJIS_ENCODE(c1, c2, s1, s2);
                        } else {
                                s2 = s1 & 0xff;
                                k = ((s1 >> 8) & 0xff) - 0x7f;
                                if (k >= 0 && k < jisx0213_p2_ofst_len) {
                                        s1  = jisx0213_p2_ofst[k] - 1 + 0x21;
                                }
                                if  (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                                        s2 |= 0x80;
                                        s1 |= 0x80;
                                        CK((*filter->output_function)(0x8f, filter->data));
                                } else {
                                        if ((filter->status & 0xff00) != 0x200) {
                                                CK((*filter->output_function)(0x1b, filter->data));             /* ESC */
                                                CK((*filter->output_function)(0x24, filter->data));             /* '$' */
                                                CK((*filter->output_function)(0x28, filter->data));             /* '(' */
                                                CK((*filter->output_function)(0x50, filter->data));             /* 'P' */
                                        }
                                        filter->status = 0x200;
                                }                               
                        }

                        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));
                }
        }
}

int
mbfl_filt_conv_jis2004_flush(mbfl_convert_filter *filter)
{
        int k, c1, c2, s1, s2;

        k = filter->cache;
        filter->cache = 0;

        if (filter->status == 1 && k >= 0 && k <= jisx0213_u2_tbl_len) {
                s1 = jisx0213_u2_fb_tbl[k];     
                
                if (filter->to->no_encoding == mbfl_no_encoding_sjis2004) {
                        c1 = (s1 >> 8) & 0xff;
                        c2 = s1 & 0xff;
                        SJIS_ENCODE(c1, c2, s1, s2);
                } else if (filter->to->no_encoding == mbfl_no_encoding_eucjp2004) {
                        s2 = (s1 & 0xff) | 0x80;                        
                        s1 = ((s1 >> 8) & 0xff) | 0x80;
                } else {
                        s2 = s1 & 0x7f;                 
                        s1 = (s1 >> 8) & 0x7f;
                        if ((filter->status & 0xff00) != 0x200) {
                                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)(0x51, filter->data));             /* 'Q' */
                        }
                        filter->status = 0x200;
                }

                CK((*filter->output_function)(s1, filter->data));
                CK((*filter->output_function)(s2, filter->data));               
        }

        /* 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 = 0;

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

        return 0;
}

/* [<][>][^][v][top][bottom][index][help] */