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Annotation of mandoc/roff_validate.c, Revision 1.1

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 */
        !            36: };
        !            37:
        !            38:
        !            39: void
        !            40: roff_validate(struct roff_man *man)
        !            41: {
        !            42:        struct roff_node        *n;
        !            43:
        !            44:        n = man->last;
        !            45:        assert(n->tok < ROFF_MAX);
        !            46:        if (roff_valids[n->tok] != NULL)
        !            47:                (*roff_valids[n->tok])(man, n);
        !            48: }
        !            49:
        !            50: static void
        !            51: roff_valid_ft(ROFF_VALID_ARGS)
        !            52: {
        !            53:        char    *cp;
        !            54:
        !            55:        if (n->child == NULL) {
        !            56:                man->next = ROFF_NEXT_CHILD;
        !            57:                roff_word_alloc(man, n->line, n->pos, "P");
        !            58:                man->last = n;
        !            59:                return;
        !            60:        }
        !            61:
        !            62:        cp = n->child->string;
        !            63:        switch (*cp) {
        !            64:        case '1':
        !            65:        case '2':
        !            66:        case '3':
        !            67:        case '4':
        !            68:        case 'I':
        !            69:        case 'P':
        !            70:        case 'R':
        !            71:                if (cp[1] == '\0')
        !            72:                        return;
        !            73:                break;
        !            74:        case 'B':
        !            75:                if (cp[1] == '\0' || (cp[1] == 'I' && cp[2] == '\0'))
        !            76:                        return;
        !            77:                break;
        !            78:        case 'C':
        !            79:                if (cp[1] == 'W' && cp[2] == '\0')
        !            80:                        return;
        !            81:                break;
        !            82:        default:
        !            83:                break;
        !            84:        }
        !            85:
        !            86:        mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
        !            87:            n->line, n->pos, "ft %s", cp);
        !            88:        roff_node_delete(man, n);
        !            89: }