[BACK]Return to tbl.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/tbl.c, Revision 1.33

1.33    ! schwarze    1: /*     $Id: tbl.c,v 1.32 2015/01/21 00:47:04 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
1.17      kristaps   35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
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;
        !            49:                for (cp = p; *cp != '\0'; cp++) {
        !            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 == ';') {
        !            67:                        tbl_option(tbl, ln, p);
        !            68:                        if (*(p = cp + 1) == '\0')
        !            69:                                return(ROFF_IGN);
        !            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:
1.31      schwarze   77:                tbl_layout(tbl, ln, p);
                     78:                return(ROFF_IGN);
1.29      schwarze   79:        case TBL_PART_CDATA:
1.21      kristaps   80:                return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
                     81:        default:
1.5       kristaps   82:                break;
1.8       kristaps   83:        }
                     84:
1.32      schwarze   85:        tbl_data(tbl, ln, p);
                     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:
1.27      schwarze   94:        tbl = mandoc_calloc(1, sizeof(struct tbl_node));
                     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 = '.';
                    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;
1.15      kristaps  111:        struct tbl_head *hp;
1.1       kristaps  112:
1.27      schwarze  113:        while (NULL != (rp = tbl->first_row)) {
                    114:                tbl->first_row = rp->next;
1.10      kristaps  115:                while (rp->first) {
                    116:                        cp = rp->first;
                    117:                        rp->first = cp->next;
                    118:                        free(cp);
                    119:                }
                    120:                free(rp);
                    121:        }
1.1       kristaps  122:
1.27      schwarze  123:        while (NULL != (sp = tbl->first_span)) {
                    124:                tbl->first_span = sp->next;
1.10      kristaps  125:                while (sp->first) {
                    126:                        dp = sp->first;
                    127:                        sp->first = dp->next;
                    128:                        if (dp->string)
                    129:                                free(dp->string);
                    130:                        free(dp);
                    131:                }
                    132:                free(sp);
1.15      kristaps  133:        }
                    134:
1.27      schwarze  135:        while (NULL != (hp = tbl->first_head)) {
                    136:                tbl->first_head = hp->next;
1.15      kristaps  137:                free(hp);
1.10      kristaps  138:        }
1.1       kristaps  139:
1.27      schwarze  140:        free(tbl);
1.7       kristaps  141: }
                    142:
                    143: void
1.17      kristaps  144: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7       kristaps  145: {
1.21      kristaps  146:        if (TBL_PART_CDATA == tbl->part)
1.29      schwarze  147:                mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
                    148:                    tbl->line, tbl->pos, NULL);
1.7       kristaps  149:
                    150:        tbl->part = TBL_PART_LAYOUT;
1.14      kristaps  151:        tbl->line = line;
                    152:        tbl->pos = pos;
                    153:
                    154:        if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23      kristaps  155:                mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.29      schwarze  156:                    tbl->line, tbl->pos, NULL);
1.1       kristaps  157: }
1.3       kristaps  158:
1.11      kristaps  159: const struct tbl_span *
1.22      schwarze  160: tbl_span(struct tbl_node *tbl)
1.11      kristaps  161: {
1.22      schwarze  162:        struct tbl_span  *span;
1.11      kristaps  163:
                    164:        assert(tbl);
1.22      schwarze  165:        span = tbl->current_span ? tbl->current_span->next
                    166:                                 : tbl->first_span;
                    167:        if (span)
                    168:                tbl->current_span = span;
                    169:        return(span);
1.13      kristaps  170: }
                    171:
                    172: void
1.26      kristaps  173: tbl_end(struct tbl_node **tblp)
1.13      kristaps  174: {
1.26      kristaps  175:        struct tbl_node *tbl;
                    176:
                    177:        tbl = *tblp;
                    178:        *tblp = NULL;
1.13      kristaps  179:
                    180:        if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.29      schwarze  181:                mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
                    182:                    tbl->line, tbl->pos, NULL);
1.18      kristaps  183:
                    184:        if (tbl->last_span)
                    185:                tbl->last_span->flags |= TBL_SPAN_LAST;
1.21      kristaps  186:
                    187:        if (TBL_PART_CDATA == tbl->part)
1.29      schwarze  188:                mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
                    189:                    tbl->line, tbl->pos, NULL);
1.16      kristaps  190: }

CVSweb