stem_iso_8859_1_english.c

firtext搜索引擎源码

            }
            break;
    }
    return 1;
}

static int r_Step_3(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 127 */
    if (z->c <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((528928 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
    among_var = find_among_b(z, a_6, 9); /* substring, line 127 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 127 */
    {   int ret = r_R1(z);
        if (ret == 0) return 0; /* call R1, line 127 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 4, s_30); /* <-, line 128 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 3, s_31); /* <-, line 129 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 2, s_32); /* <-, line 130 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 2, s_33); /* <-, line 132 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_del(z); /* delete, line 134 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 136 */
                if (ret < 0) return ret;
            }
            {   int ret;
                ret = slice_del(z); /* delete, line 136 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}

static int r_Step_4(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 141 */
    if (z->c <= z->lb || z->p[z->c - 1] >> 5 != 3 || !((1864232 >> (z->p[z->c - 1] & 0x1f)) & 1)) return 0;
    among_var = find_among_b(z, a_7, 18); /* substring, line 141 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 141 */
    {   int ret = r_R2(z);
        if (ret == 0) return 0; /* call R2, line 141 */
        if (ret < 0) return ret;
    }
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_del(z); /* delete, line 144 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int m = z->l - z->c; (void) m; /* or, line 145 */
                if (!(eq_s_b(z, 1, s_34))) goto lab1;
                goto lab0;
            lab1:
                z->c = z->l - m;
                if (!(eq_s_b(z, 1, s_35))) return 0;
            }
        lab0:
            {   int ret;
                ret = slice_del(z); /* delete, line 145 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}

static int r_Step_5(struct SN_env * z) {
    int among_var;
    z->ket = z->c; /* [, line 150 */
    if (z->c <= z->lb || (z->p[z->c - 1] != 101 && z->p[z->c - 1] != 108)) return 0;
    among_var = find_among_b(z, a_8, 2); /* substring, line 150 */
    if (!(among_var)) return 0;
    z->bra = z->c; /* ], line 150 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int m = z->l - z->c; (void) m; /* or, line 151 */
                {   int ret = r_R2(z);
                    if (ret == 0) goto lab1; /* call R2, line 151 */
                    if (ret < 0) return ret;
                }
                goto lab0;
            lab1:
                z->c = z->l - m;
                {   int ret = r_R1(z);
                    if (ret == 0) return 0; /* call R1, line 151 */
                    if (ret < 0) return ret;
                }
                {   int m = z->l - z->c; (void) m; /* not, line 151 */
                    {   int ret = r_shortv(z);
                        if (ret == 0) goto lab2; /* call shortv, line 151 */
                        if (ret < 0) return ret;
                    }
                    return 0;
                lab2:
                    z->c = z->l - m;
                }
            }
        lab0:
            {   int ret;
                ret = slice_del(z); /* delete, line 151 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret = r_R2(z);
                if (ret == 0) return 0; /* call R2, line 152 */
                if (ret < 0) return ret;
            }
            if (!(eq_s_b(z, 1, s_36))) return 0;
            {   int ret;
                ret = slice_del(z); /* delete, line 152 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}

static int r_exception2(struct SN_env * z) {
    z->ket = z->c; /* [, line 158 */
    if (z->c <= z->lb || (z->p[z->c - 1] != 100 && z->p[z->c - 1] != 103)) return 0;
    if (!(find_among_b(z, a_9, 8))) return 0; /* substring, line 158 */
    z->bra = z->c; /* ], line 158 */
    if (z->c > z->lb) return 0; /* atlimit, line 158 */
    return 1;
}

static int r_exception1(struct SN_env * z) {
    int among_var;
    z->bra = z->c; /* [, line 170 */
    if (z->c + 2 >= z->l || z->p[z->c + 2] >> 5 != 3 || !((42750482 >> (z->p[z->c + 2] & 0x1f)) & 1)) return 0;
    among_var = find_among(z, a_10, 18); /* substring, line 170 */
    if (!(among_var)) return 0;
    z->ket = z->c; /* ], line 170 */
    if (z->c < z->l) return 0; /* atlimit, line 170 */
    switch(among_var) {
        case 0: return 0;
        case 1:
            {   int ret;
                ret = slice_from_s(z, 3, s_37); /* <-, line 174 */
                if (ret < 0) return ret;
            }
            break;
        case 2:
            {   int ret;
                ret = slice_from_s(z, 3, s_38); /* <-, line 175 */
                if (ret < 0) return ret;
            }
            break;
        case 3:
            {   int ret;
                ret = slice_from_s(z, 3, s_39); /* <-, line 176 */
                if (ret < 0) return ret;
            }
            break;
        case 4:
            {   int ret;
                ret = slice_from_s(z, 3, s_40); /* <-, line 177 */
                if (ret < 0) return ret;
            }
            break;
        case 5:
            {   int ret;
                ret = slice_from_s(z, 3, s_41); /* <-, line 178 */
                if (ret < 0) return ret;
            }
            break;
        case 6:
            {   int ret;
                ret = slice_from_s(z, 3, s_42); /* <-, line 182 */
                if (ret < 0) return ret;
            }
            break;
        case 7:
            {   int ret;
                ret = slice_from_s(z, 5, s_43); /* <-, line 183 */
                if (ret < 0) return ret;
            }
            break;
        case 8:
            {   int ret;
                ret = slice_from_s(z, 4, s_44); /* <-, line 184 */
                if (ret < 0) return ret;
            }
            break;
        case 9:
            {   int ret;
                ret = slice_from_s(z, 5, s_45); /* <-, line 185 */
                if (ret < 0) return ret;
            }
            break;
        case 10:
            {   int ret;
                ret = slice_from_s(z, 4, s_46); /* <-, line 186 */
                if (ret < 0) return ret;
            }
            break;
        case 11:
            {   int ret;
                ret = slice_from_s(z, 5, s_47); /* <-, line 187 */
                if (ret < 0) return ret;
            }
            break;
    }
    return 1;
}

static int r_postlude(struct SN_env * z) {
    if (!(z->B[0])) return 0; /* Boolean test Y_found, line 203 */
    while(1) { /* repeat, line 203 */
        int c = z->c;
        while(1) { /* goto, line 203 */
            int c = z->c;
            z->bra = z->c; /* [, line 203 */
            if (!(eq_s(z, 1, s_48))) goto lab1;
            z->ket = z->c; /* ], line 203 */
            z->c = c;
            break;
        lab1:
            z->c = c;
            if (z->c >= z->l) goto lab0;
            z->c++; /* goto, line 203 */
        }
        {   int ret;
            ret = slice_from_s(z, 1, s_49); /* <-, line 203 */
            if (ret < 0) return ret;
        }
        continue;
    lab0:
        z->c = c;
        break;
    }
    return 1;
}

extern int english_ISO_8859_1_stem(struct SN_env * z) {
    {   int c = z->c; /* or, line 207 */
        {   int ret = r_exception1(z);
            if (ret == 0) goto lab1; /* call exception1, line 207 */
            if (ret < 0) return ret;
        }
        goto lab0;
    lab1:
        z->c = c;
        {   int c = z->c; /* not, line 208 */
            {   int c = z->c + 3;
                if (0 > c || c > z->l) goto lab3;
                z->c = c; /* hop, line 208 */
            }
            goto lab2;
        lab3:
            z->c = c;
        }
        goto lab0;
    lab2:
        z->c = c;
        {   int c = z->c; /* do, line 209 */
            {   int ret = r_prelude(z);
                if (ret == 0) goto lab4; /* call prelude, line 209 */
                if (ret < 0) return ret;
            }
        lab4:
            z->c = c;
        }
        {   int c = z->c; /* do, line 210 */
            {   int ret = r_mark_regions(z);
                if (ret == 0) goto lab5; /* call mark_regions, line 210 */
                if (ret < 0) return ret;
            }
        lab5:
            z->c = c;
        }
        z->lb = z->c; z->c = z->l; /* backwards, line 211 */

        {   int m = z->l - z->c; (void) m; /* do, line 213 */
            {   int ret = r_Step_1a(z);
                if (ret == 0) goto lab6; /* call Step_1a, line 213 */
                if (ret < 0) return ret;
            }
        lab6:
            z->c = z->l - m;
        }
        {   int m = z->l - z->c; (void) m; /* or, line 215 */
            {   int ret = r_exception2(z);
                if (ret == 0) goto lab8; /* call exception2, line 215 */
                if (ret < 0) return ret;
            }
            goto lab7;
        lab8:
            z->c = z->l - m;
            {   int m = z->l - z->c; (void) m; /* do, line 217 */
                {   int ret = r_Step_1b(z);
                    if (ret == 0) goto lab9; /* call Step_1b, line 217 */
                    if (ret < 0) return ret;
                }
            lab9:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 218 */
                {   int ret = r_Step_1c(z);
                    if (ret == 0) goto lab10; /* call Step_1c, line 218 */
                    if (ret < 0) return ret;
                }
            lab10:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 220 */
                {   int ret = r_Step_2(z);
                    if (ret == 0) goto lab11; /* call Step_2, line 220 */
                    if (ret < 0) return ret;
                }
            lab11:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 221 */
                {   int ret = r_Step_3(z);
                    if (ret == 0) goto lab12; /* call Step_3, line 221 */
                    if (ret < 0) return ret;
                }
            lab12:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 222 */
                {   int ret = r_Step_4(z);
                    if (ret == 0) goto lab13; /* call Step_4, line 222 */
                    if (ret < 0) return ret;
                }
            lab13:
                z->c = z->l - m;
            }
            {   int m = z->l - z->c; (void) m; /* do, line 224 */
                {   int ret = r_Step_5(z);
                    if (ret == 0) goto lab14; /* call Step_5, line 224 */
                    if (ret < 0) return ret;
                }
            lab14:
                z->c = z->l - m;
            }
        }
    lab7:
        z->c = z->lb;
        {   int c = z->c; /* do, line 227 */
            {   int ret = r_postlude(z);
                if (ret == 0) goto lab15; /* call postlude, line 227 */
                if (ret < 0) return ret;
            }
        lab15:
            z->c = c;
        }
    }
lab0:
    return 1;
}

extern struct SN_env * english_ISO_8859_1_create_env(void) { return SN_create_env(0, 2, 1); }

extern void english_ISO_8859_1_close_env(struct SN_env * z) { SN_close_env(z, 0); }