Annotation of mandoc/roff_validate.c, Revision 1.11
1.11 ! schwarze 1: /* $Id: roff_validate.c,v 1.10 2018/08/10 20:40:45 schwarze Exp $ */
1.1 schwarze 2: /*
1.10 schwarze 3: * Copyright (c) 2010, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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>
1.10 schwarze 21: #include <string.h>
1.1 schwarze 22:
23: #include "mandoc.h"
24: #include "roff.h"
25: #include "libmandoc.h"
26: #include "roff_int.h"
27:
28: #define ROFF_VALID_ARGS struct roff_man *man, struct roff_node *n
29:
30: typedef void (*roff_valid_fp)(ROFF_VALID_ARGS);
31:
1.11 ! schwarze 32: static void roff_valid_br(ROFF_VALID_ARGS);
1.1 schwarze 33: static void roff_valid_ft(ROFF_VALID_ARGS);
1.11 ! schwarze 34: static void roff_valid_sp(ROFF_VALID_ARGS);
1.1 schwarze 35:
36: static const roff_valid_fp roff_valids[ROFF_MAX] = {
1.11 ! schwarze 37: roff_valid_br, /* br */
1.7 schwarze 38: NULL, /* ce */
1.1 schwarze 39: roff_valid_ft, /* ft */
1.2 schwarze 40: NULL, /* ll */
1.6 schwarze 41: NULL, /* mc */
1.9 schwarze 42: NULL, /* po */
1.8 schwarze 43: NULL, /* rj */
1.11 ! schwarze 44: roff_valid_sp, /* sp */
1.4 schwarze 45: NULL, /* ta */
1.5 schwarze 46: NULL, /* ti */
1.1 schwarze 47: };
48:
49:
50: void
51: roff_validate(struct roff_man *man)
52: {
53: struct roff_node *n;
54:
55: n = man->last;
56: assert(n->tok < ROFF_MAX);
57: if (roff_valids[n->tok] != NULL)
58: (*roff_valids[n->tok])(man, n);
59: }
60:
61: static void
1.11 ! schwarze 62: roff_valid_br(ROFF_VALID_ARGS)
! 63: {
! 64: struct roff_node *np;
! 65:
! 66: if (n->child != NULL)
! 67: mandoc_vmsg(MANDOCERR_ARG_SKIP, man->parse,
! 68: n->line, n->pos, "br %s", n->child->string);
! 69:
! 70: if ((np = n->prev) == NULL)
! 71: return;
! 72:
! 73: switch (np->tok) {
! 74: case ROFF_br:
! 75: case ROFF_sp:
! 76: case MDOC_Pp:
! 77: mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse,
! 78: n->line, n->pos, "br after %s", roff_name[np->tok]);
! 79: roff_node_delete(man, n);
! 80: break;
! 81: default:
! 82: break;
! 83: }
! 84: }
! 85:
! 86: static void
1.1 schwarze 87: roff_valid_ft(ROFF_VALID_ARGS)
88: {
1.10 schwarze 89: const char *cp;
1.1 schwarze 90:
91: if (n->child == NULL) {
92: man->next = ROFF_NEXT_CHILD;
93: roff_word_alloc(man, n->line, n->pos, "P");
94: man->last = n;
95: return;
96: }
97:
98: cp = n->child->string;
99: switch (*cp) {
100: case '1':
101: case '2':
102: case '3':
103: case '4':
104: case 'I':
105: case 'P':
106: case 'R':
107: if (cp[1] == '\0')
108: return;
109: break;
110: case 'B':
111: if (cp[1] == '\0' || (cp[1] == 'I' && cp[2] == '\0'))
112: return;
113: break;
114: case 'C':
1.10 schwarze 115: if (cp[1] != '\0' && cp[2] == '\0' &&
116: strchr("BIRW", cp[1]) != NULL)
1.1 schwarze 117: return;
118: break;
119: default:
120: break;
121: }
122:
123: mandoc_vmsg(MANDOCERR_FT_BAD, man->parse,
124: n->line, n->pos, "ft %s", cp);
125: roff_node_delete(man, n);
1.11 ! schwarze 126: }
! 127:
! 128: static void
! 129: roff_valid_sp(ROFF_VALID_ARGS)
! 130: {
! 131: struct roff_node *np;
! 132:
! 133: if (n->child != NULL && n->child->next != NULL)
! 134: mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
! 135: n->child->next->line, n->child->next->pos,
! 136: "sp ... %s", n->child->next->string);
! 137:
! 138: if ((np = n->prev) == NULL)
! 139: return;
! 140:
! 141: switch (np->tok) {
! 142: case ROFF_br:
! 143: mandoc_msg(MANDOCERR_PAR_SKIP, man->parse,
! 144: np->line, np->pos, "br before sp");
! 145: roff_node_delete(man, np);
! 146: break;
! 147: case MDOC_Pp:
! 148: mandoc_msg(MANDOCERR_PAR_SKIP, man->parse,
! 149: n->line, n->pos, "sp after Pp");
! 150: roff_node_delete(man, n);
! 151: break;
! 152: default:
! 153: break;
! 154: }
1.1 schwarze 155: }
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