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Annotation of mandoc/man_validate.c, Revision 1.12

1.12    ! kristaps    1: /*     $Id: man_validate.c,v 1.11 2009/06/18 10:32:00 kristaps Exp $ */
1.1       kristaps    2: /*
1.9       kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.8       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.8       kristaps    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.
1.1       kristaps   16:  */
                     17: #include <sys/types.h>
                     18:
                     19: #include <assert.h>
                     20: #include <ctype.h>
                     21: #include <stdarg.h>
                     22: #include <stdlib.h>
                     23:
                     24: #include "libman.h"
                     25:
1.11      kristaps   26: #define        POSTARGS  struct man *m, const struct man_node *n
1.1       kristaps   27:
                     28: typedef        int     (*v_post)(POSTARGS);
                     29:
                     30: struct man_valid {
                     31:        v_post   *posts;
                     32: };
                     33:
                     34: static int       check_eq0(POSTARGS);
                     35: static int       check_ge1(POSTARGS);
                     36: static int       check_ge2(POSTARGS);
                     37: static int       check_le1(POSTARGS);
                     38: static int       check_le2(POSTARGS);
                     39: static int       check_le5(POSTARGS);
1.11      kristaps   40: static int       check_text(POSTARGS);
1.1       kristaps   41:
                     42: static v_post    posts_le1[] = { check_le1, NULL };
                     43: static v_post    posts_le2[] = { check_le2, NULL };
                     44: static v_post    posts_ge1[] = { check_ge1, NULL };
                     45: static v_post    posts_eq0[] = { check_eq0, NULL };
                     46: static v_post    posts_ge2_le5[] = { check_ge2, check_le5, NULL };
                     47:
                     48: static const struct man_valid man_valids[MAN_MAX] = {
1.10      kristaps   49:        { posts_eq0 }, /* br */
1.1       kristaps   50:        { posts_ge2_le5 }, /* TH */
                     51:        { posts_ge1 }, /* SH */
                     52:        { posts_ge1 }, /* SS */
1.4       kristaps   53:        { NULL }, /* TP */
1.1       kristaps   54:        { posts_eq0 }, /* LP */
                     55:        { posts_eq0 }, /* PP */
                     56:        { posts_eq0 }, /* P */
                     57:        { posts_le2 }, /* IP */
                     58:        { posts_le1 }, /* HP */
                     59:        { NULL }, /* SM */
                     60:        { NULL }, /* SB */
                     61:        { NULL }, /* BI */
                     62:        { NULL }, /* IB */
                     63:        { NULL }, /* BR */
                     64:        { NULL }, /* RB */
                     65:        { NULL }, /* R */
                     66:        { NULL }, /* B */
                     67:        { NULL }, /* I */
                     68:        { NULL }, /* IR */
1.4       kristaps   69:        { NULL }, /* RI */
1.6       kristaps   70:        { posts_eq0 }, /* na */
1.7       kristaps   71:        { NULL }, /* i */
1.1       kristaps   72: };
                     73:
                     74:
                     75: int
                     76: man_valid_post(struct man *m)
                     77: {
                     78:        v_post          *cp;
                     79:
                     80:        if (MAN_VALID & m->last->flags)
                     81:                return(1);
                     82:        m->last->flags |= MAN_VALID;
                     83:
                     84:        switch (m->last->type) {
                     85:        case (MAN_TEXT):
1.11      kristaps   86:                return(check_text(m, m->last));
1.1       kristaps   87:        case (MAN_ROOT):
                     88:                return(1);
                     89:        default:
                     90:                break;
                     91:        }
                     92:
                     93:        if (NULL == (cp = man_valids[m->last->tok].posts))
                     94:                return(1);
                     95:        for ( ; *cp; cp++)
                     96:                if ( ! (*cp)(m, m->last))
                     97:                        return(0);
                     98:
                     99:        return(1);
                    100: }
                    101:
                    102:
1.11      kristaps  103: static int
                    104: check_text(POSTARGS)
                    105: {
                    106:        const char      *p;
                    107:        int              pos;
                    108:
                    109:        assert(n->string);
                    110:
                    111:        for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
                    112:                if ('\t' == *p || isprint((u_char)*p))
                    113:                        continue;
                    114:
                    115:                if (MAN_IGN_CHARS & m->pflags)
1.12    ! kristaps  116:                        return(man_pwarn(m, n->line, pos, WNPRINT));
        !           117:                return(man_perr(m, n->line, pos, WNPRINT));
1.11      kristaps  118:        }
                    119:
                    120:        return(1);
1.1       kristaps  121: }
                    122:
                    123:
                    124: #define        INEQ_DEFINE(x, ineq, name) \
                    125: static int \
                    126: check_##name(POSTARGS) \
                    127: { \
1.11      kristaps  128:        if (n->nchild ineq (x)) \
1.1       kristaps  129:                return(1); \
1.4       kristaps  130:        return(man_verr(m, n->line, n->pos, \
1.1       kristaps  131:                        "expected line arguments %s %d, have %d", \
1.11      kristaps  132:                        #ineq, (x), n->nchild)); \
1.1       kristaps  133: }
                    134:
                    135: INEQ_DEFINE(0, ==, eq0)
                    136: INEQ_DEFINE(1, >=, ge1)
                    137: INEQ_DEFINE(2, >=, ge2)
                    138: INEQ_DEFINE(1, <=, le1)
                    139: INEQ_DEFINE(2, <=, le2)
                    140: INEQ_DEFINE(5, <=, le5)
                    141:

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