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Annotation of mandoc/tbl.c, Revision 1.32

1.32    ! schwarze    1: /*     $Id: tbl.c,v 1.31 2015/01/14 22:44:55 schwarze Exp $ */
1.1       kristaps    2: /*
1.22      schwarze    3:  * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
                      4:  * Copyright (c) 2011 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:        int              len;
                     38:        const char      *cp;
                     39:
                     40:        cp = &p[offs];
                     41:        len = (int)strlen(cp);
                     42:
1.5       kristaps   43:        /*
                     44:         * If we're in the options section and we don't have a
                     45:         * terminating semicolon, assume we've moved directly into the
                     46:         * layout section.  No need to report a warning: this is,
                     47:         * apparently, standard behaviour.
                     48:         */
                     49:
                     50:        if (TBL_PART_OPTS == tbl->part && len)
1.1       kristaps   51:                if (';' != cp[len - 1])
                     52:                        tbl->part = TBL_PART_LAYOUT;
1.5       kristaps   53:
                     54:        /* Now process each logical section of the table.  */
                     55:
                     56:        switch (tbl->part) {
1.29      schwarze   57:        case TBL_PART_OPTS:
1.31      schwarze   58:                tbl_option(tbl, ln, p);
                     59:                return(ROFF_IGN);
1.29      schwarze   60:        case TBL_PART_LAYOUT:
1.31      schwarze   61:                tbl_layout(tbl, ln, p);
                     62:                return(ROFF_IGN);
1.29      schwarze   63:        case TBL_PART_CDATA:
1.21      kristaps   64:                return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
                     65:        default:
1.5       kristaps   66:                break;
1.8       kristaps   67:        }
                     68:
1.32    ! schwarze   69:        tbl_data(tbl, ln, p);
        !            70:        return(ROFF_TBL);
1.1       kristaps   71: }
                     72:
1.17      kristaps   73: struct tbl_node *
1.23      kristaps   74: tbl_alloc(int pos, int line, struct mparse *parse)
1.1       kristaps   75: {
1.27      schwarze   76:        struct tbl_node *tbl;
1.1       kristaps   77:
1.27      schwarze   78:        tbl = mandoc_calloc(1, sizeof(struct tbl_node));
                     79:        tbl->line = line;
                     80:        tbl->pos = pos;
                     81:        tbl->parse = parse;
                     82:        tbl->part = TBL_PART_OPTS;
                     83:        tbl->opts.tab = '\t';
                     84:        tbl->opts.linesize = 12;
                     85:        tbl->opts.decimal = '.';
                     86:        return(tbl);
1.1       kristaps   87: }
                     88:
                     89: void
1.27      schwarze   90: tbl_free(struct tbl_node *tbl)
1.1       kristaps   91: {
1.10      kristaps   92:        struct tbl_row  *rp;
                     93:        struct tbl_cell *cp;
                     94:        struct tbl_span *sp;
                     95:        struct tbl_dat  *dp;
1.15      kristaps   96:        struct tbl_head *hp;
1.1       kristaps   97:
1.27      schwarze   98:        while (NULL != (rp = tbl->first_row)) {
                     99:                tbl->first_row = rp->next;
1.10      kristaps  100:                while (rp->first) {
                    101:                        cp = rp->first;
                    102:                        rp->first = cp->next;
                    103:                        free(cp);
                    104:                }
                    105:                free(rp);
                    106:        }
1.1       kristaps  107:
1.27      schwarze  108:        while (NULL != (sp = tbl->first_span)) {
                    109:                tbl->first_span = sp->next;
1.10      kristaps  110:                while (sp->first) {
                    111:                        dp = sp->first;
                    112:                        sp->first = dp->next;
                    113:                        if (dp->string)
                    114:                                free(dp->string);
                    115:                        free(dp);
                    116:                }
                    117:                free(sp);
1.15      kristaps  118:        }
                    119:
1.27      schwarze  120:        while (NULL != (hp = tbl->first_head)) {
                    121:                tbl->first_head = hp->next;
1.15      kristaps  122:                free(hp);
1.10      kristaps  123:        }
1.1       kristaps  124:
1.27      schwarze  125:        free(tbl);
1.7       kristaps  126: }
                    127:
                    128: void
1.17      kristaps  129: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7       kristaps  130: {
1.21      kristaps  131:        if (TBL_PART_CDATA == tbl->part)
1.29      schwarze  132:                mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
                    133:                    tbl->line, tbl->pos, NULL);
1.7       kristaps  134:
                    135:        tbl->part = TBL_PART_LAYOUT;
1.14      kristaps  136:        tbl->line = line;
                    137:        tbl->pos = pos;
                    138:
                    139:        if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23      kristaps  140:                mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.29      schwarze  141:                    tbl->line, tbl->pos, NULL);
1.1       kristaps  142: }
1.3       kristaps  143:
1.11      kristaps  144: const struct tbl_span *
1.22      schwarze  145: tbl_span(struct tbl_node *tbl)
1.11      kristaps  146: {
1.22      schwarze  147:        struct tbl_span  *span;
1.11      kristaps  148:
                    149:        assert(tbl);
1.22      schwarze  150:        span = tbl->current_span ? tbl->current_span->next
                    151:                                 : tbl->first_span;
                    152:        if (span)
                    153:                tbl->current_span = span;
                    154:        return(span);
1.13      kristaps  155: }
                    156:
                    157: void
1.26      kristaps  158: tbl_end(struct tbl_node **tblp)
1.13      kristaps  159: {
1.26      kristaps  160:        struct tbl_node *tbl;
                    161:
                    162:        tbl = *tblp;
                    163:        *tblp = NULL;
1.13      kristaps  164:
                    165:        if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.29      schwarze  166:                mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
                    167:                    tbl->line, tbl->pos, NULL);
1.18      kristaps  168:
                    169:        if (tbl->last_span)
                    170:                tbl->last_span->flags |= TBL_SPAN_LAST;
1.21      kristaps  171:
                    172:        if (TBL_PART_CDATA == tbl->part)
1.29      schwarze  173:                mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
                    174:                    tbl->line, tbl->pos, NULL);
1.16      kristaps  175: }

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