Annotation of mandoc/mdoc_state.c, Revision 1.18
1.18 ! schwarze 1: /* $Id: mdoc_state.c,v 1.17 2020/06/22 19:20:40 schwarze Exp $ */
1.1 schwarze 2: /*
1.18 ! schwarze 3: * Copyright (c) 2014, 2015, 2017, 2021 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: */
1.17 schwarze 17: #include "config.h"
18:
1.1 schwarze 19: #include <sys/types.h>
20:
1.6 schwarze 21: #include <assert.h>
1.11 schwarze 22: #include <stdio.h>
1.1 schwarze 23: #include <stdlib.h>
24: #include <string.h>
25:
1.18 ! schwarze 26: #if DEBUG_MEMORY
! 27: #include "mandoc_dbg.h"
! 28: #endif
1.1 schwarze 29: #include "mandoc.h"
30: #include "roff.h"
31: #include "mdoc.h"
32: #include "libmandoc.h"
1.12 schwarze 33: #include "roff_int.h"
1.1 schwarze 34: #include "libmdoc.h"
35:
36: #define STATE_ARGS struct roff_man *mdoc, struct roff_node *n
37:
38: typedef void (*state_handler)(STATE_ARGS);
39:
1.2 schwarze 40: static void state_bl(STATE_ARGS);
1.1 schwarze 41: static void state_sh(STATE_ARGS);
42: static void state_sm(STATE_ARGS);
43:
1.10 schwarze 44: static const state_handler state_handlers[MDOC_MAX - MDOC_Dd] = {
1.1 schwarze 45: NULL, /* Dd */
46: NULL, /* Dt */
47: NULL, /* Os */
48: state_sh, /* Sh */
49: NULL, /* Ss */
50: NULL, /* Pp */
51: NULL, /* D1 */
1.15 schwarze 52: NULL, /* Dl */
53: NULL, /* Bd */
1.1 schwarze 54: NULL, /* Ed */
1.2 schwarze 55: state_bl, /* Bl */
1.1 schwarze 56: NULL, /* El */
57: NULL, /* It */
58: NULL, /* Ad */
59: NULL, /* An */
1.5 schwarze 60: NULL, /* Ap */
1.1 schwarze 61: NULL, /* Ar */
62: NULL, /* Cd */
63: NULL, /* Cm */
64: NULL, /* Dv */
65: NULL, /* Er */
66: NULL, /* Ev */
67: NULL, /* Ex */
68: NULL, /* Fa */
69: NULL, /* Fd */
70: NULL, /* Fl */
71: NULL, /* Fn */
72: NULL, /* Ft */
73: NULL, /* Ic */
74: NULL, /* In */
75: NULL, /* Li */
76: NULL, /* Nd */
77: NULL, /* Nm */
78: NULL, /* Op */
79: NULL, /* Ot */
80: NULL, /* Pa */
81: NULL, /* Rv */
82: NULL, /* St */
83: NULL, /* Va */
84: NULL, /* Vt */
85: NULL, /* Xr */
86: NULL, /* %A */
87: NULL, /* %B */
88: NULL, /* %D */
89: NULL, /* %I */
90: NULL, /* %J */
91: NULL, /* %N */
92: NULL, /* %O */
93: NULL, /* %P */
94: NULL, /* %R */
95: NULL, /* %T */
96: NULL, /* %V */
97: NULL, /* Ac */
98: NULL, /* Ao */
99: NULL, /* Aq */
100: NULL, /* At */
101: NULL, /* Bc */
102: NULL, /* Bf */
103: NULL, /* Bo */
104: NULL, /* Bq */
105: NULL, /* Bsx */
106: NULL, /* Bx */
107: NULL, /* Db */
108: NULL, /* Dc */
109: NULL, /* Do */
110: NULL, /* Dq */
111: NULL, /* Ec */
112: NULL, /* Ef */
113: NULL, /* Em */
114: NULL, /* Eo */
115: NULL, /* Fx */
116: NULL, /* Ms */
117: NULL, /* No */
118: NULL, /* Ns */
119: NULL, /* Nx */
120: NULL, /* Ox */
121: NULL, /* Pc */
122: NULL, /* Pf */
123: NULL, /* Po */
124: NULL, /* Pq */
125: NULL, /* Qc */
126: NULL, /* Ql */
127: NULL, /* Qo */
128: NULL, /* Qq */
129: NULL, /* Re */
130: NULL, /* Rs */
131: NULL, /* Sc */
132: NULL, /* So */
133: NULL, /* Sq */
134: state_sm, /* Sm */
135: NULL, /* Sx */
136: NULL, /* Sy */
137: NULL, /* Tn */
138: NULL, /* Ux */
139: NULL, /* Xc */
140: NULL, /* Xo */
141: NULL, /* Fo */
142: NULL, /* Fc */
143: NULL, /* Oo */
144: NULL, /* Oc */
145: NULL, /* Bk */
146: NULL, /* Ek */
147: NULL, /* Bt */
148: NULL, /* Hf */
149: NULL, /* Fr */
150: NULL, /* Ud */
151: NULL, /* Lb */
152: NULL, /* Lp */
153: NULL, /* Lk */
154: NULL, /* Mt */
155: NULL, /* Brq */
156: NULL, /* Bro */
157: NULL, /* Brc */
158: NULL, /* %C */
159: NULL, /* Es */
160: NULL, /* En */
161: NULL, /* Dx */
162: NULL, /* %Q */
163: NULL, /* %U */
164: NULL, /* Ta */
1.16 schwarze 165: NULL, /* Tg */
1.1 schwarze 166: };
167:
168:
169: void
170: mdoc_state(struct roff_man *mdoc, struct roff_node *n)
171: {
172: state_handler handler;
173:
1.6 schwarze 174: if (n->tok == TOKEN_NONE || n->tok < ROFF_MAX)
1.1 schwarze 175: return;
176:
1.6 schwarze 177: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.10 schwarze 178: if ((mdoc_macro(n->tok)->flags & MDOC_PROLOGUE) == 0)
1.1 schwarze 179: mdoc->flags |= MDOC_PBODY;
180:
1.10 schwarze 181: handler = state_handlers[n->tok - MDOC_Dd];
1.1 schwarze 182: if (*handler)
183: (*handler)(mdoc, n);
184: }
185:
186: static void
1.2 schwarze 187: state_bl(STATE_ARGS)
188: {
1.9 schwarze 189: struct mdoc_arg *args;
190: size_t i;
1.2 schwarze 191:
192: if (n->type != ROFFT_HEAD || n->parent->args == NULL)
193: return;
194:
1.9 schwarze 195: args = n->parent->args;
196: for (i = 0; i < args->argc; i++) {
197: switch(args->argv[i].arg) {
198: case MDOC_Diag:
199: n->norm->Bl.type = LIST_diag;
200: return;
201: case MDOC_Column:
202: n->norm->Bl.type = LIST_column;
203: return;
204: default:
205: break;
206: }
1.1 schwarze 207: }
208: }
209:
210: static void
211: state_sh(STATE_ARGS)
212: {
213: struct roff_node *nch;
214: char *secname;
215:
216: if (n->type != ROFFT_HEAD)
217: return;
218:
1.4 schwarze 219: if ( ! (n->flags & NODE_VALID)) {
1.1 schwarze 220: secname = NULL;
221: deroff(&secname, n);
222:
223: /*
224: * Set the section attribute for the BLOCK, HEAD,
225: * and HEAD children; the latter can only be TEXT
226: * nodes, so no recursion is needed. For other
227: * nodes, including the .Sh BODY, this is done
228: * when allocating the node data structures, but
229: * for .Sh BLOCK and HEAD, the section is still
230: * unknown at that time.
231: */
232:
233: n->sec = n->parent->sec = secname == NULL ?
234: SEC_CUSTOM : mdoc_a2sec(secname);
235: for (nch = n->child; nch != NULL; nch = nch->next)
236: nch->sec = n->sec;
237: free(secname);
238: }
239:
240: if ((mdoc->lastsec = n->sec) == SEC_SYNOPSIS) {
241: roff_setreg(mdoc->roff, "nS", 1, '=');
242: mdoc->flags |= MDOC_SYNOPSIS;
243: } else {
244: roff_setreg(mdoc->roff, "nS", 0, '=');
245: mdoc->flags &= ~MDOC_SYNOPSIS;
246: }
247: }
248:
249: static void
250: state_sm(STATE_ARGS)
251: {
252:
253: if (n->child == NULL)
254: mdoc->flags ^= MDOC_SMOFF;
255: else if ( ! strcmp(n->child->string, "on"))
256: mdoc->flags &= ~MDOC_SMOFF;
257: else if ( ! strcmp(n->child->string, "off"))
258: mdoc->flags |= MDOC_SMOFF;
259: }
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