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

Annotation of mandoc/tbl.c, Revision 1.13

1.13    ! kristaps    1: /*     $Id: tbl.c,v 1.12 2011/01/01 13:37:40 kristaps Exp $ */
1.1       kristaps    2: /*
1.4       kristaps    3:  * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
                      8:  *
                      9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     16:  */
                     17: #include <assert.h>
1.3       kristaps   18: #include <stdio.h>
1.1       kristaps   19: #include <stdlib.h>
                     20: #include <string.h>
                     21: #include <time.h>
                     22:
                     23: #include "mandoc.h"
                     24: #include "roff.h"
                     25: #include "libmandoc.h"
                     26: #include "libroff.h"
                     27:
                     28: enum rofferr
                     29: tbl_read(struct tbl *tbl, int ln, const char *p, int offs)
                     30: {
                     31:        int              len;
                     32:        const char      *cp;
                     33:
                     34:        cp = &p[offs];
                     35:        len = (int)strlen(cp);
                     36:
1.5       kristaps   37:        /*
                     38:         * If we're in the options section and we don't have a
                     39:         * terminating semicolon, assume we've moved directly into the
                     40:         * layout section.  No need to report a warning: this is,
                     41:         * apparently, standard behaviour.
                     42:         */
                     43:
                     44:        if (TBL_PART_OPTS == tbl->part && len)
1.1       kristaps   45:                if (';' != cp[len - 1])
                     46:                        tbl->part = TBL_PART_LAYOUT;
1.5       kristaps   47:
                     48:        /* Now process each logical section of the table.  */
                     49:
                     50:        switch (tbl->part) {
                     51:        case (TBL_PART_OPTS):
                     52:                return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.6       kristaps   53:        case (TBL_PART_LAYOUT):
                     54:                return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.8       kristaps   55:        case (TBL_PART_DATA):
1.5       kristaps   56:                break;
1.8       kristaps   57:        }
                     58:
1.12      kristaps   59:        /*
                     60:         * This only returns zero if the line is empty, so we ignore it
                     61:         * and continue on.
1.9       kristaps   62:         */
1.12      kristaps   63:        return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1       kristaps   64: }
                     65:
                     66: struct tbl *
1.13    ! kristaps   67: tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
1.1       kristaps   68: {
                     69:        struct tbl      *p;
                     70:
1.6       kristaps   71:        p = mandoc_calloc(1, sizeof(struct tbl));
1.13    ! kristaps   72:        p->line = line;
        !            73:        p->pos = pos;
1.5       kristaps   74:        p->data = data;
                     75:        p->msg = msg;
1.10      kristaps   76:        p->part = TBL_PART_OPTS;
                     77:        p->tab = '\t';
                     78:        p->linesize = 12;
                     79:        p->decimal = '.';
1.1       kristaps   80:        return(p);
                     81: }
                     82:
                     83: void
                     84: tbl_free(struct tbl *p)
                     85: {
1.10      kristaps   86:        struct tbl_row  *rp;
                     87:        struct tbl_cell *cp;
                     88:        struct tbl_span *sp;
                     89:        struct tbl_dat  *dp;
1.1       kristaps   90:
1.10      kristaps   91:        while (p->first_row) {
                     92:                rp = p->first_row;
                     93:                p->first_row = rp->next;
                     94:                while (rp->first) {
                     95:                        cp = rp->first;
                     96:                        rp->first = cp->next;
                     97:                        free(cp);
                     98:                }
                     99:                free(rp);
                    100:        }
1.1       kristaps  101:
1.10      kristaps  102:        while (p->first_span) {
                    103:                sp = p->first_span;
                    104:                p->first_span = sp->next;
                    105:                while (sp->first) {
                    106:                        dp = sp->first;
                    107:                        sp->first = dp->next;
                    108:                        if (dp->string)
                    109:                                free(dp->string);
                    110:                        free(dp);
                    111:                }
                    112:                free(sp);
                    113:        }
1.1       kristaps  114:
1.10      kristaps  115:        free(p);
1.7       kristaps  116: }
                    117:
                    118: void
                    119: tbl_restart(struct tbl *tbl)
                    120: {
                    121:
                    122:        tbl->part = TBL_PART_LAYOUT;
1.1       kristaps  123: }
1.3       kristaps  124:
1.11      kristaps  125: const struct tbl_span *
                    126: tbl_span(const struct tbl *tbl)
                    127: {
                    128:
                    129:        assert(tbl);
                    130:        return(tbl->last_span);
1.13    ! kristaps  131: }
        !           132:
        !           133: void
        !           134: tbl_end(struct tbl *tbl)
        !           135: {
        !           136:
        !           137:        if (NULL == tbl->first_span || NULL == tbl->first_span->first)
        !           138:                TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.11      kristaps  139: }

CVSweb