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Annotation of mandoc/tbl.c, Revision 1.41

1.41    ! schwarze    1: /*     $Id: tbl.c,v 1.40 2015/10/06 18:32:20 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:
                     28: #include "mandoc.h"
1.28      schwarze   29: #include "mandoc_aux.h"
1.1       kristaps   30: #include "libmandoc.h"
                     31: #include "libroff.h"
                     32:
1.29      schwarze   33:
1.1       kristaps   34: enum rofferr
1.35      schwarze   35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1       kristaps   36: {
                     37:        const char      *cp;
1.33      schwarze   38:        int              active;
1.1       kristaps   39:
1.5       kristaps   40:        /*
1.33      schwarze   41:         * In the options section, proceed to the layout section
                     42:         * after a semicolon, or right away if there is no semicolon.
                     43:         * Ignore semicolons in arguments.
1.5       kristaps   44:         */
                     45:
1.33      schwarze   46:        if (tbl->part == TBL_PART_OPTS) {
                     47:                tbl->part = TBL_PART_LAYOUT;
                     48:                active = 1;
1.35      schwarze   49:                for (cp = p + pos; *cp != '\0'; cp++) {
1.33      schwarze   50:                        switch (*cp) {
                     51:                        case '(':
                     52:                                active = 0;
                     53:                                continue;
                     54:                        case ')':
                     55:                                active = 1;
                     56:                                continue;
                     57:                        case ';':
                     58:                                if (active)
                     59:                                        break;
                     60:                                continue;
                     61:                        default:
                     62:                                continue;
                     63:                        }
                     64:                        break;
                     65:                }
                     66:                if (*cp == ';') {
1.35      schwarze   67:                        tbl_option(tbl, ln, p, &pos);
                     68:                        if (p[pos] == '\0')
1.40      schwarze   69:                                return ROFF_IGN;
1.33      schwarze   70:                }
                     71:        }
1.5       kristaps   72:
1.33      schwarze   73:        /* Process the other section types.  */
1.5       kristaps   74:
                     75:        switch (tbl->part) {
1.29      schwarze   76:        case TBL_PART_LAYOUT:
1.35      schwarze   77:                tbl_layout(tbl, ln, p, pos);
1.40      schwarze   78:                return ROFF_IGN;
1.29      schwarze   79:        case TBL_PART_CDATA:
1.40      schwarze   80:                return tbl_cdata(tbl, ln, p, pos) ? ROFF_TBL : ROFF_IGN;
1.21      kristaps   81:        default:
1.5       kristaps   82:                break;
1.8       kristaps   83:        }
                     84:
1.35      schwarze   85:        tbl_data(tbl, ln, p, pos);
1.40      schwarze   86:        return ROFF_TBL;
1.1       kristaps   87: }
                     88:
1.17      kristaps   89: struct tbl_node *
1.23      kristaps   90: tbl_alloc(int pos, int line, struct mparse *parse)
1.1       kristaps   91: {
1.27      schwarze   92:        struct tbl_node *tbl;
1.1       kristaps   93:
1.37      schwarze   94:        tbl = mandoc_calloc(1, sizeof(*tbl));
1.27      schwarze   95:        tbl->line = line;
                     96:        tbl->pos = pos;
                     97:        tbl->parse = parse;
                     98:        tbl->part = TBL_PART_OPTS;
                     99:        tbl->opts.tab = '\t';
                    100:        tbl->opts.decimal = '.';
1.40      schwarze  101:        return tbl;
1.1       kristaps  102: }
                    103:
                    104: void
1.27      schwarze  105: tbl_free(struct tbl_node *tbl)
1.1       kristaps  106: {
1.10      kristaps  107:        struct tbl_row  *rp;
                    108:        struct tbl_cell *cp;
                    109:        struct tbl_span *sp;
                    110:        struct tbl_dat  *dp;
1.1       kristaps  111:
1.37      schwarze  112:        while ((rp = tbl->first_row) != NULL) {
1.27      schwarze  113:                tbl->first_row = rp->next;
1.37      schwarze  114:                while (rp->first != NULL) {
1.10      kristaps  115:                        cp = rp->first;
                    116:                        rp->first = cp->next;
1.41    ! schwarze  117:                        free(cp->wstr);
1.10      kristaps  118:                        free(cp);
                    119:                }
                    120:                free(rp);
                    121:        }
1.1       kristaps  122:
1.37      schwarze  123:        while ((sp = tbl->first_span) != NULL) {
1.27      schwarze  124:                tbl->first_span = sp->next;
1.37      schwarze  125:                while (sp->first != NULL) {
1.10      kristaps  126:                        dp = sp->first;
                    127:                        sp->first = dp->next;
1.37      schwarze  128:                        free(dp->string);
1.10      kristaps  129:                        free(dp);
                    130:                }
                    131:                free(sp);
                    132:        }
1.1       kristaps  133:
1.27      schwarze  134:        free(tbl);
1.7       kristaps  135: }
                    136:
                    137: void
1.17      kristaps  138: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7       kristaps  139: {
1.36      schwarze  140:        if (tbl->part == TBL_PART_CDATA)
                    141:                mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
                    142:                    line, pos, "T&");
1.7       kristaps  143:
                    144:        tbl->part = TBL_PART_LAYOUT;
1.14      kristaps  145:        tbl->line = line;
                    146:        tbl->pos = pos;
1.1       kristaps  147: }
1.3       kristaps  148:
1.11      kristaps  149: const struct tbl_span *
1.22      schwarze  150: tbl_span(struct tbl_node *tbl)
1.11      kristaps  151: {
1.22      schwarze  152:        struct tbl_span  *span;
1.11      kristaps  153:
                    154:        assert(tbl);
1.22      schwarze  155:        span = tbl->current_span ? tbl->current_span->next
                    156:                                 : tbl->first_span;
                    157:        if (span)
                    158:                tbl->current_span = span;
1.40      schwarze  159:        return span;
1.13      kristaps  160: }
                    161:
1.36      schwarze  162: int
1.26      kristaps  163: tbl_end(struct tbl_node **tblp)
1.13      kristaps  164: {
1.26      kristaps  165:        struct tbl_node *tbl;
1.34      schwarze  166:        struct tbl_span *sp;
1.26      kristaps  167:
                    168:        tbl = *tblp;
                    169:        *tblp = NULL;
1.13      kristaps  170:
1.36      schwarze  171:        if (tbl->part == TBL_PART_CDATA)
                    172:                mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
                    173:                    tbl->line, tbl->pos, "TE");
                    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) {
                    179:                mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.29      schwarze  180:                    tbl->line, tbl->pos, NULL);
1.40      schwarze  181:                return 0;
1.36      schwarze  182:        }
1.40      schwarze  183:        return 1;
1.16      kristaps  184: }

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