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Annotation of mandoc/tbl.c, Revision 1.46

1.46    ! schwarze    1: /*     $Id: tbl.c,v 1.45 2018/12/14 05:18:03 schwarze Exp $ */
1.1       kristaps    2: /*
1.22      schwarze    3:  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.33      schwarze    4:  * Copyright (c) 2011, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.1       kristaps    5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
1.25      kristaps   18: #include "config.h"
1.30      schwarze   19:
                     20: #include <sys/types.h>
1.25      kristaps   21:
1.1       kristaps   22: #include <assert.h>
1.3       kristaps   23: #include <stdio.h>
1.1       kristaps   24: #include <stdlib.h>
                     25: #include <string.h>
                     26: #include <time.h>
                     27:
1.43      schwarze   28: #include "mandoc_aux.h"
1.1       kristaps   29: #include "mandoc.h"
1.43      schwarze   30: #include "tbl.h"
1.1       kristaps   31: #include "libmandoc.h"
1.44      schwarze   32: #include "tbl_parse.h"
                     33: #include "tbl_int.h"
1.1       kristaps   34:
1.29      schwarze   35:
1.42      schwarze   36: void
1.35      schwarze   37: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1       kristaps   38: {
                     39:        const char      *cp;
1.33      schwarze   40:        int              active;
1.1       kristaps   41:
1.5       kristaps   42:        /*
1.33      schwarze   43:         * In the options section, proceed to the layout section
                     44:         * after a semicolon, or right away if there is no semicolon.
                     45:         * Ignore semicolons in arguments.
1.5       kristaps   46:         */
                     47:
1.33      schwarze   48:        if (tbl->part == TBL_PART_OPTS) {
                     49:                tbl->part = TBL_PART_LAYOUT;
                     50:                active = 1;
1.35      schwarze   51:                for (cp = p + pos; *cp != '\0'; cp++) {
1.33      schwarze   52:                        switch (*cp) {
                     53:                        case '(':
                     54:                                active = 0;
                     55:                                continue;
                     56:                        case ')':
                     57:                                active = 1;
                     58:                                continue;
                     59:                        case ';':
                     60:                                if (active)
                     61:                                        break;
                     62:                                continue;
                     63:                        default:
                     64:                                continue;
                     65:                        }
                     66:                        break;
                     67:                }
                     68:                if (*cp == ';') {
1.35      schwarze   69:                        tbl_option(tbl, ln, p, &pos);
                     70:                        if (p[pos] == '\0')
1.42      schwarze   71:                                return;
1.33      schwarze   72:                }
                     73:        }
1.5       kristaps   74:
1.33      schwarze   75:        /* Process the other section types.  */
1.5       kristaps   76:
                     77:        switch (tbl->part) {
1.29      schwarze   78:        case TBL_PART_LAYOUT:
1.35      schwarze   79:                tbl_layout(tbl, ln, p, pos);
1.42      schwarze   80:                break;
1.29      schwarze   81:        case TBL_PART_CDATA:
1.42      schwarze   82:                tbl_cdata(tbl, ln, p, pos);
                     83:                break;
1.21      kristaps   84:        default:
1.42      schwarze   85:                tbl_data(tbl, ln, p, pos);
1.5       kristaps   86:                break;
1.8       kristaps   87:        }
1.1       kristaps   88: }
                     89:
1.17      kristaps   90: struct tbl_node *
1.46    ! schwarze   91: tbl_alloc(int pos, int line, struct tbl_node *last_tbl)
1.1       kristaps   92: {
1.27      schwarze   93:        struct tbl_node *tbl;
1.1       kristaps   94:
1.37      schwarze   95:        tbl = mandoc_calloc(1, sizeof(*tbl));
1.44      schwarze   96:        if (last_tbl != NULL)
                     97:                last_tbl->next = tbl;
1.27      schwarze   98:        tbl->line = line;
                     99:        tbl->pos = pos;
                    100:        tbl->part = TBL_PART_OPTS;
                    101:        tbl->opts.tab = '\t';
                    102:        tbl->opts.decimal = '.';
1.40      schwarze  103:        return tbl;
1.1       kristaps  104: }
                    105:
                    106: void
1.27      schwarze  107: tbl_free(struct tbl_node *tbl)
1.1       kristaps  108: {
1.44      schwarze  109:        struct tbl_node *old_tbl;
1.10      kristaps  110:        struct tbl_row  *rp;
                    111:        struct tbl_cell *cp;
                    112:        struct tbl_span *sp;
                    113:        struct tbl_dat  *dp;
1.1       kristaps  114:
1.44      schwarze  115:        while (tbl != NULL) {
                    116:                while ((rp = tbl->first_row) != NULL) {
                    117:                        tbl->first_row = rp->next;
                    118:                        while (rp->first != NULL) {
                    119:                                cp = rp->first;
                    120:                                rp->first = cp->next;
                    121:                                free(cp->wstr);
                    122:                                free(cp);
                    123:                        }
                    124:                        free(rp);
1.10      kristaps  125:                }
1.44      schwarze  126:                while ((sp = tbl->first_span) != NULL) {
                    127:                        tbl->first_span = sp->next;
                    128:                        while (sp->first != NULL) {
                    129:                                dp = sp->first;
                    130:                                sp->first = dp->next;
                    131:                                free(dp->string);
                    132:                                free(dp);
                    133:                        }
                    134:                        free(sp);
1.10      kristaps  135:                }
1.44      schwarze  136:                old_tbl = tbl;
                    137:                tbl = tbl->next;
                    138:                free(old_tbl);
1.10      kristaps  139:        }
1.7       kristaps  140: }
                    141:
                    142: void
1.17      kristaps  143: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7       kristaps  144: {
1.36      schwarze  145:        if (tbl->part == TBL_PART_CDATA)
1.45      schwarze  146:                mandoc_msg(MANDOCERR_TBLDATA_BLK, line, pos, "T&");
1.7       kristaps  147:
                    148:        tbl->part = TBL_PART_LAYOUT;
1.14      kristaps  149:        tbl->line = line;
                    150:        tbl->pos = pos;
1.1       kristaps  151: }
1.3       kristaps  152:
1.44      schwarze  153: struct tbl_span *
1.22      schwarze  154: tbl_span(struct tbl_node *tbl)
1.11      kristaps  155: {
1.22      schwarze  156:        struct tbl_span  *span;
1.11      kristaps  157:
1.22      schwarze  158:        span = tbl->current_span ? tbl->current_span->next
                    159:                                 : tbl->first_span;
1.44      schwarze  160:        if (span != NULL)
1.22      schwarze  161:                tbl->current_span = span;
1.40      schwarze  162:        return span;
1.13      kristaps  163: }
                    164:
1.36      schwarze  165: int
1.44      schwarze  166: tbl_end(struct tbl_node *tbl, int still_open)
1.13      kristaps  167: {
1.34      schwarze  168:        struct tbl_span *sp;
1.13      kristaps  169:
1.44      schwarze  170:        if (still_open)
1.45      schwarze  171:                mandoc_msg(MANDOCERR_BLK_NOEND, tbl->line, tbl->pos, "TS");
1.44      schwarze  172:        else if (tbl->part == TBL_PART_CDATA)
1.45      schwarze  173:                mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->line, tbl->pos, "TE");
1.36      schwarze  174:
1.34      schwarze  175:        sp = tbl->first_span;
                    176:        while (sp != NULL && sp->first == NULL)
                    177:                sp = sp->next;
1.36      schwarze  178:        if (sp == NULL) {
1.45      schwarze  179:                mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->line, tbl->pos, NULL);
1.40      schwarze  180:                return 0;
1.36      schwarze  181:        }
1.40      schwarze  182:        return 1;
1.16      kristaps  183: }

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