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Annotation of mandoc/roff_validate.c, Revision 1.9

1.9     ! schwarze    1: /*     $Id: roff_validate.c,v 1.8 2017/06/14 13:00:31 schwarze Exp $ */
1.1       schwarze    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 */
1.7       schwarze   35:        NULL,  /* ce */
1.1       schwarze   36:        roff_valid_ft,  /* ft */
1.2       schwarze   37:        NULL,  /* ll */
1.6       schwarze   38:        NULL,  /* mc */
1.9     ! schwarze   39:        NULL,  /* po */
1.8       schwarze   40:        NULL,  /* rj */
1.3       schwarze   41:        NULL,  /* sp */
1.4       schwarze   42:        NULL,  /* ta */
1.5       schwarze   43:        NULL,  /* ti */
1.1       schwarze   44: };
                     45:
                     46:
                     47: void
                     48: roff_validate(struct roff_man *man)
                     49: {
                     50:        struct roff_node        *n;
                     51:
                     52:        n = man->last;
                     53:        assert(n->tok < ROFF_MAX);
                     54:        if (roff_valids[n->tok] != NULL)
                     55:                (*roff_valids[n->tok])(man, n);
                     56: }
                     57:
                     58: static void
                     59: roff_valid_ft(ROFF_VALID_ARGS)
                     60: {
                     61:        char    *cp;
                     62:
                     63:        if (n->child == NULL) {
                     64:                man->next = ROFF_NEXT_CHILD;
                     65:                roff_word_alloc(man, n->line, n->pos, "P");
                     66:                man->last = n;
                     67:                return;
                     68:        }
                     69:
                     70:        cp = n->child->string;
                     71:        switch (*cp) {
                     72:        case '1':
                     73:        case '2':
                     74:        case '3':
                     75:        case '4':
                     76:        case 'I':
                     77:        case 'P':
                     78:        case 'R':
                     79:                if (cp[1] == '\0')
                     80:                        return;
                     81:                break;
                     82:        case 'B':
                     83:                if (cp[1] == '\0' || (cp[1] == 'I' && cp[2] == '\0'))
                     84:                        return;
                     85:                break;
                     86:        case 'C':
                     87:                if (cp[1] == 'W' && cp[2] == '\0')
                     88:                        return;
                     89:                break;
                     90:        default:
                     91:                break;
                     92:        }
                     93:
                     94:        mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
                     95:            n->line, n->pos, "ft %s", cp);
                     96:        roff_node_delete(man, n);
                     97: }

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