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Annotation of mandoc/roff_validate.c, Revision 1.5

1.1       schwarze    1: /*     $OpenBSD: roff_html.c,v 1.1 2017/05/04 22:07:44 schwarze Exp $ */
                      2: /*
                      3:  * Copyright (c) 2010, 2017 Ingo Schwarze <schwarze@openbsd.org>
                      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 <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <stddef.h>
                     21:
                     22: #include "mandoc.h"
                     23: #include "roff.h"
                     24: #include "libmandoc.h"
                     25: #include "roff_int.h"
                     26:
                     27: #define        ROFF_VALID_ARGS struct roff_man *man, struct roff_node *n
                     28:
                     29: typedef        void    (*roff_valid_fp)(ROFF_VALID_ARGS);
                     30:
                     31: static void      roff_valid_ft(ROFF_VALID_ARGS);
                     32:
                     33: static const roff_valid_fp roff_valids[ROFF_MAX] = {
                     34:        NULL,  /* br */
                     35:        roff_valid_ft,  /* ft */
1.2       schwarze   36:        NULL,  /* ll */
1.3       schwarze   37:        NULL,  /* sp */
1.4       schwarze   38:        NULL,  /* ta */
1.5     ! schwarze   39:        NULL,  /* ti */
1.1       schwarze   40: };
                     41:
                     42:
                     43: void
                     44: roff_validate(struct roff_man *man)
                     45: {
                     46:        struct roff_node        *n;
                     47:
                     48:        n = man->last;
                     49:        assert(n->tok < ROFF_MAX);
                     50:        if (roff_valids[n->tok] != NULL)
                     51:                (*roff_valids[n->tok])(man, n);
                     52: }
                     53:
                     54: static void
                     55: roff_valid_ft(ROFF_VALID_ARGS)
                     56: {
                     57:        char    *cp;
                     58:
                     59:        if (n->child == NULL) {
                     60:                man->next = ROFF_NEXT_CHILD;
                     61:                roff_word_alloc(man, n->line, n->pos, "P");
                     62:                man->last = n;
                     63:                return;
                     64:        }
                     65:
                     66:        cp = n->child->string;
                     67:        switch (*cp) {
                     68:        case '1':
                     69:        case '2':
                     70:        case '3':
                     71:        case '4':
                     72:        case 'I':
                     73:        case 'P':
                     74:        case 'R':
                     75:                if (cp[1] == '\0')
                     76:                        return;
                     77:                break;
                     78:        case 'B':
                     79:                if (cp[1] == '\0' || (cp[1] == 'I' && cp[2] == '\0'))
                     80:                        return;
                     81:                break;
                     82:        case 'C':
                     83:                if (cp[1] == 'W' && cp[2] == '\0')
                     84:                        return;
                     85:                break;
                     86:        default:
                     87:                break;
                     88:        }
                     89:
                     90:        mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
                     91:            n->line, n->pos, "ft %s", cp);
                     92:        roff_node_delete(man, n);
                     93: }