![[BACK]](/icons/back.gif){kind=icon}
Return to mdoc_state.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc|
Return to mdoc_state.c CVS log | Up to [local] / src / usr.bin / mandoc |
1.17 ! schwarze 1: /* $OpenBSD: mdoc_state.c,v 1.16 2020/01/19 17:59:01 schwarze Exp $ */
1.1 schwarze 2: /*
1.17 ! schwarze 3: * Copyright (c) 2014,2015,2017,2018,2022 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:
1.6 schwarze 19: #include <assert.h>
1.11 schwarze 20: #include <stdio.h>
1.1 schwarze 21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "mandoc.h"
25: #include "roff.h"
26: #include "mdoc.h"
27: #include "libmandoc.h"
1.12 schwarze 28: #include "roff_int.h"
1.1 schwarze 29: #include "libmdoc.h"
30:
31: #define STATE_ARGS struct roff_man *mdoc, struct roff_node *n
32:
33: typedef void (*state_handler)(STATE_ARGS);
34:
1.17 ! schwarze 35: static void setsec(struct roff_node *, enum roff_sec);
1.2 schwarze 36: static void state_bl(STATE_ARGS);
1.1 schwarze 37: static void state_sh(STATE_ARGS);
38: static void state_sm(STATE_ARGS);
39:
1.10 schwarze 40: static const state_handler state_handlers[MDOC_MAX - MDOC_Dd] = {
1.1 schwarze 41: NULL, /* Dd */
42: NULL, /* Dt */
43: NULL, /* Os */
44: state_sh, /* Sh */
45: NULL, /* Ss */
46: NULL, /* Pp */
47: NULL, /* D1 */
1.15 schwarze 48: NULL, /* Dl */
49: NULL, /* Bd */
1.1 schwarze 50: NULL, /* Ed */
1.2 schwarze 51: state_bl, /* Bl */
1.1 schwarze 52: NULL, /* El */
53: NULL, /* It */
54: NULL, /* Ad */
55: NULL, /* An */
1.5 schwarze 56: NULL, /* Ap */
1.1 schwarze 57: NULL, /* Ar */
58: NULL, /* Cd */
59: NULL, /* Cm */
60: NULL, /* Dv */
61: NULL, /* Er */
62: NULL, /* Ev */
63: NULL, /* Ex */
64: NULL, /* Fa */
65: NULL, /* Fd */
66: NULL, /* Fl */
67: NULL, /* Fn */
68: NULL, /* Ft */
69: NULL, /* Ic */
70: NULL, /* In */
71: NULL, /* Li */
72: NULL, /* Nd */
73: NULL, /* Nm */
74: NULL, /* Op */
75: NULL, /* Ot */
76: NULL, /* Pa */
77: NULL, /* Rv */
78: NULL, /* St */
79: NULL, /* Va */
80: NULL, /* Vt */
81: NULL, /* Xr */
82: NULL, /* %A */
83: NULL, /* %B */
84: NULL, /* %D */
85: NULL, /* %I */
86: NULL, /* %J */
87: NULL, /* %N */
88: NULL, /* %O */
89: NULL, /* %P */
90: NULL, /* %R */
91: NULL, /* %T */
92: NULL, /* %V */
93: NULL, /* Ac */
94: NULL, /* Ao */
95: NULL, /* Aq */
96: NULL, /* At */
97: NULL, /* Bc */
98: NULL, /* Bf */
99: NULL, /* Bo */
100: NULL, /* Bq */
101: NULL, /* Bsx */
102: NULL, /* Bx */
103: NULL, /* Db */
104: NULL, /* Dc */
105: NULL, /* Do */
106: NULL, /* Dq */
107: NULL, /* Ec */
108: NULL, /* Ef */
109: NULL, /* Em */
110: NULL, /* Eo */
111: NULL, /* Fx */
112: NULL, /* Ms */
113: NULL, /* No */
114: NULL, /* Ns */
115: NULL, /* Nx */
116: NULL, /* Ox */
117: NULL, /* Pc */
118: NULL, /* Pf */
119: NULL, /* Po */
120: NULL, /* Pq */
121: NULL, /* Qc */
122: NULL, /* Ql */
123: NULL, /* Qo */
124: NULL, /* Qq */
125: NULL, /* Re */
126: NULL, /* Rs */
127: NULL, /* Sc */
128: NULL, /* So */
129: NULL, /* Sq */
130: state_sm, /* Sm */
131: NULL, /* Sx */
132: NULL, /* Sy */
133: NULL, /* Tn */
134: NULL, /* Ux */
135: NULL, /* Xc */
136: NULL, /* Xo */
137: NULL, /* Fo */
138: NULL, /* Fc */
139: NULL, /* Oo */
140: NULL, /* Oc */
141: NULL, /* Bk */
142: NULL, /* Ek */
143: NULL, /* Bt */
144: NULL, /* Hf */
145: NULL, /* Fr */
146: NULL, /* Ud */
147: NULL, /* Lb */
148: NULL, /* Lp */
149: NULL, /* Lk */
150: NULL, /* Mt */
151: NULL, /* Brq */
152: NULL, /* Bro */
153: NULL, /* Brc */
154: NULL, /* %C */
155: NULL, /* Es */
156: NULL, /* En */
157: NULL, /* Dx */
158: NULL, /* %Q */
159: NULL, /* %U */
160: NULL, /* Ta */
1.16 schwarze 161: NULL, /* Tg */
1.1 schwarze 162: };
163:
164:
165: void
166: mdoc_state(struct roff_man *mdoc, struct roff_node *n)
167: {
168: state_handler handler;
169:
1.6 schwarze 170: if (n->tok == TOKEN_NONE || n->tok < ROFF_MAX)
1.1 schwarze 171: return;
172:
1.6 schwarze 173: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.10 schwarze 174: if ((mdoc_macro(n->tok)->flags & MDOC_PROLOGUE) == 0)
1.1 schwarze 175: mdoc->flags |= MDOC_PBODY;
176:
1.10 schwarze 177: handler = state_handlers[n->tok - MDOC_Dd];
1.1 schwarze 178: if (*handler)
179: (*handler)(mdoc, n);
180: }
181:
182: static void
1.2 schwarze 183: state_bl(STATE_ARGS)
184: {
1.9 schwarze 185: struct mdoc_arg *args;
186: size_t i;
1.2 schwarze 187:
188: if (n->type != ROFFT_HEAD || n->parent->args == NULL)
189: return;
190:
1.9 schwarze 191: args = n->parent->args;
192: for (i = 0; i < args->argc; i++) {
193: switch(args->argv[i].arg) {
194: case MDOC_Diag:
195: n->norm->Bl.type = LIST_diag;
196: return;
197: case MDOC_Column:
198: n->norm->Bl.type = LIST_column;
199: return;
200: default:
201: break;
202: }
1.1 schwarze 203: }
204: }
205:
206: static void
1.17 ! schwarze 207: setsec(struct roff_node *n, enum roff_sec sec)
! 208: {
! 209: struct roff_node *nch;
! 210:
! 211: n->sec = sec;
! 212: for (nch = n->child; nch != NULL; nch = nch->next)
! 213: setsec(nch, sec);
! 214: }
! 215:
! 216: /*
! 217: * Set the section attribute for the BLOCK, HEAD, and HEAD children.
! 218: * For other nodes, including the .Sh BODY, this is done when allocating
! 219: * the node data structures, but for .Sh BLOCK and HEAD, the section is
! 220: * still unknown at that time.
! 221: */
! 222: static void
1.1 schwarze 223: state_sh(STATE_ARGS)
224: {
1.17 ! schwarze 225: enum roff_sec sec;
1.1 schwarze 226:
227: if (n->type != ROFFT_HEAD)
228: return;
229:
1.17 ! schwarze 230: if ((n->flags & NODE_VALID) == 0) {
! 231: sec = n->child != NULL && n->child->type == ROFFT_TEXT &&
! 232: n->child->next == NULL ? mdoc_a2sec(n->child->string) :
! 233: SEC_CUSTOM;
! 234: n->parent->sec = sec;
! 235: setsec(n, sec);
1.1 schwarze 236: }
237: if ((mdoc->lastsec = n->sec) == SEC_SYNOPSIS) {
238: roff_setreg(mdoc->roff, "nS", 1, '=');
239: mdoc->flags |= MDOC_SYNOPSIS;
240: } else {
241: roff_setreg(mdoc->roff, "nS", 0, '=');
242: mdoc->flags &= ~MDOC_SYNOPSIS;
243: }
244: }
245:
246: static void
247: state_sm(STATE_ARGS)
248: {
249:
250: if (n->child == NULL)
251: mdoc->flags ^= MDOC_SMOFF;
252: else if ( ! strcmp(n->child->string, "on"))
253: mdoc->flags &= ~MDOC_SMOFF;
254: else if ( ! strcmp(n->child->string, "off"))
255: mdoc->flags |= MDOC_SMOFF;
256: }