Annotation of mandoc/mdoc_man.c, Revision 1.57
1.57 ! schwarze 1: /* $Id: mdoc_man.c,v 1.56 2013/12/25 00:39:31 schwarze Exp $ */
1.1 schwarze 2: /*
1.49 schwarze 3: * Copyright (c) 2011, 2012, 2013 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: */
1.7 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.12 schwarze 21: #include <assert.h>
1.1 schwarze 22: #include <stdio.h>
23: #include <string.h>
24:
25: #include "mandoc.h"
1.11 schwarze 26: #include "out.h"
1.4 kristaps 27: #include "man.h"
1.1 schwarze 28: #include "mdoc.h"
29: #include "main.h"
30:
1.42 schwarze 31: #define DECL_ARGS const struct mdoc_meta *meta, \
1.20 schwarze 32: const struct mdoc_node *n
1.1 schwarze 33:
34: struct manact {
1.5 kristaps 35: int (*cond)(DECL_ARGS); /* DON'T run actions */
36: int (*pre)(DECL_ARGS); /* pre-node action */
37: void (*post)(DECL_ARGS); /* post-node action */
38: const char *prefix; /* pre-node string constant */
39: const char *suffix; /* post-node string constant */
1.1 schwarze 40: };
41:
1.5 kristaps 42: static int cond_body(DECL_ARGS);
1.1 schwarze 43: static int cond_head(DECL_ARGS);
1.26 schwarze 44: static void font_push(char);
45: static void font_pop(void);
1.47 schwarze 46: static void mid_it(void);
1.34 schwarze 47: static void post__t(DECL_ARGS);
1.5 kristaps 48: static void post_bd(DECL_ARGS);
1.27 schwarze 49: static void post_bf(DECL_ARGS);
1.13 schwarze 50: static void post_bk(DECL_ARGS);
1.30 schwarze 51: static void post_bl(DECL_ARGS);
1.5 kristaps 52: static void post_dl(DECL_ARGS);
1.1 schwarze 53: static void post_enc(DECL_ARGS);
1.28 schwarze 54: static void post_eo(DECL_ARGS);
1.17 schwarze 55: static void post_fa(DECL_ARGS);
1.29 schwarze 56: static void post_fd(DECL_ARGS);
1.26 schwarze 57: static void post_fl(DECL_ARGS);
1.16 schwarze 58: static void post_fn(DECL_ARGS);
1.17 schwarze 59: static void post_fo(DECL_ARGS);
1.26 schwarze 60: static void post_font(DECL_ARGS);
1.15 schwarze 61: static void post_in(DECL_ARGS);
1.30 schwarze 62: static void post_it(DECL_ARGS);
1.14 schwarze 63: static void post_lb(DECL_ARGS);
1.5 kristaps 64: static void post_nm(DECL_ARGS);
1.1 schwarze 65: static void post_percent(DECL_ARGS);
1.5 kristaps 66: static void post_pf(DECL_ARGS);
1.3 schwarze 67: static void post_sect(DECL_ARGS);
1.5 kristaps 68: static void post_sp(DECL_ARGS);
1.18 schwarze 69: static void post_vt(DECL_ARGS);
1.34 schwarze 70: static int pre__t(DECL_ARGS);
1.22 schwarze 71: static int pre_an(DECL_ARGS);
1.3 schwarze 72: static int pre_ap(DECL_ARGS);
73: static int pre_bd(DECL_ARGS);
1.27 schwarze 74: static int pre_bf(DECL_ARGS);
1.13 schwarze 75: static int pre_bk(DECL_ARGS);
1.30 schwarze 76: static int pre_bl(DECL_ARGS);
1.3 schwarze 77: static int pre_br(DECL_ARGS);
1.8 schwarze 78: static int pre_bx(DECL_ARGS);
1.1 schwarze 79: static int pre_dl(DECL_ARGS);
1.5 kristaps 80: static int pre_enc(DECL_ARGS);
1.26 schwarze 81: static int pre_em(DECL_ARGS);
1.17 schwarze 82: static int pre_fa(DECL_ARGS);
1.29 schwarze 83: static int pre_fd(DECL_ARGS);
1.26 schwarze 84: static int pre_fl(DECL_ARGS);
1.16 schwarze 85: static int pre_fn(DECL_ARGS);
1.17 schwarze 86: static int pre_fo(DECL_ARGS);
1.23 schwarze 87: static int pre_ft(DECL_ARGS);
1.15 schwarze 88: static int pre_in(DECL_ARGS);
1.1 schwarze 89: static int pre_it(DECL_ARGS);
1.24 schwarze 90: static int pre_lk(DECL_ARGS);
1.26 schwarze 91: static int pre_li(DECL_ARGS);
1.1 schwarze 92: static int pre_nm(DECL_ARGS);
1.25 schwarze 93: static int pre_no(DECL_ARGS);
1.1 schwarze 94: static int pre_ns(DECL_ARGS);
95: static int pre_pp(DECL_ARGS);
1.34 schwarze 96: static int pre_rs(DECL_ARGS);
1.12 schwarze 97: static int pre_sm(DECL_ARGS);
1.3 schwarze 98: static int pre_sp(DECL_ARGS);
1.5 kristaps 99: static int pre_sect(DECL_ARGS);
1.26 schwarze 100: static int pre_sy(DECL_ARGS);
1.23 schwarze 101: static void pre_syn(const struct mdoc_node *);
1.18 schwarze 102: static int pre_vt(DECL_ARGS);
1.8 schwarze 103: static int pre_ux(DECL_ARGS);
1.1 schwarze 104: static int pre_xr(DECL_ARGS);
1.20 schwarze 105: static void print_word(const char *);
1.36 schwarze 106: static void print_line(const char *, int);
107: static void print_block(const char *, int);
1.20 schwarze 108: static void print_offs(const char *);
1.35 schwarze 109: static void print_width(const char *,
110: const struct mdoc_node *, size_t);
1.30 schwarze 111: static void print_count(int *);
1.5 kristaps 112: static void print_node(DECL_ARGS);
1.1 schwarze 113:
1.3 schwarze 114: static const struct manact manacts[MDOC_MAX + 1] = {
115: { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
116: { NULL, NULL, NULL, NULL, NULL }, /* Dd */
117: { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.8 schwarze 118: { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3 schwarze 119: { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
120: { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1 schwarze 121: { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3 schwarze 122: { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1 schwarze 123: { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3 schwarze 124: { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
125: { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.30 schwarze 126: { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3 schwarze 127: { NULL, NULL, NULL, NULL, NULL }, /* El */
1.30 schwarze 128: { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.26 schwarze 129: { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.22 schwarze 130: { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.26 schwarze 131: { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
132: { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
133: { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
134: { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
135: { NULL, pre_li, post_font, NULL, NULL }, /* Er */
136: { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.1 schwarze 137: { NULL, pre_enc, post_enc, "The \\fB",
138: "\\fP\nutility exits 0 on success, and >0 if an error occurs."
139: }, /* Ex */
1.17 schwarze 140: { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.29 schwarze 141: { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.26 schwarze 142: { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.16 schwarze 143: { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.26 schwarze 144: { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
145: { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.15 schwarze 146: { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.26 schwarze 147: { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1 schwarze 148: { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
149: { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
150: { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.8 schwarze 151: { NULL, NULL, NULL, NULL, NULL }, /* Ot */
1.26 schwarze 152: { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.6 kristaps 153: { NULL, pre_enc, post_enc, "The \\fB",
154: "\\fP\nfunction returns the value 0 if successful;\n"
155: "otherwise the value -1 is returned and the global\n"
156: "variable \\fIerrno\\fP is set to indicate the error."
157: }, /* Rv */
1.8 schwarze 158: { NULL, NULL, NULL, NULL, NULL }, /* St */
1.26 schwarze 159: { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.18 schwarze 160: { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.8 schwarze 161: { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.34 schwarze 162: { NULL, NULL, post_percent, NULL, NULL }, /* %A */
163: { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
164: { NULL, NULL, post_percent, NULL, NULL }, /* %D */
165: { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
166: { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
167: { NULL, NULL, post_percent, NULL, NULL }, /* %N */
168: { NULL, NULL, post_percent, NULL, NULL }, /* %O */
169: { NULL, NULL, post_percent, NULL, NULL }, /* %P */
170: { NULL, NULL, post_percent, NULL, NULL }, /* %R */
171: { NULL, pre__t, post__t, NULL, NULL }, /* %T */
172: { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.9 schwarze 173: { NULL, NULL, NULL, NULL, NULL }, /* Ac */
174: { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1 schwarze 175: { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.8 schwarze 176: { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3 schwarze 177: { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.27 schwarze 178: { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3 schwarze 179: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
180: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.8 schwarze 181: { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
182: { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
183: { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.9 schwarze 184: { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.51 schwarze 185: { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
186: { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
1.28 schwarze 187: { NULL, NULL, NULL, NULL, NULL }, /* Ec */
188: { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.26 schwarze 189: { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.28 schwarze 190: { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
1.8 schwarze 191: { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.26 schwarze 192: { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.25 schwarze 193: { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1 schwarze 194: { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.8 schwarze 195: { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
196: { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3 schwarze 197: { NULL, NULL, NULL, NULL, NULL }, /* Pc */
198: { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
199: { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
200: { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.9 schwarze 201: { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.51 schwarze 202: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.9 schwarze 203: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
204: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
205: { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.34 schwarze 206: { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.9 schwarze 207: { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.51 schwarze 208: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
209: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.12 schwarze 210: { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.26 schwarze 211: { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
212: { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
213: { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.8 schwarze 214: { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.34 schwarze 215: { NULL, NULL, NULL, NULL, NULL }, /* Xc */
216: { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.17 schwarze 217: { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
218: { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3 schwarze 219: { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.9 schwarze 220: { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.13 schwarze 221: { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
222: { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.8 schwarze 223: { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
224: { NULL, NULL, NULL, NULL, NULL }, /* Hf */
225: { NULL, NULL, NULL, NULL, NULL }, /* Fr */
226: { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.14 schwarze 227: { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3 schwarze 228: { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.24 schwarze 229: { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.26 schwarze 230: { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.9 schwarze 231: { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
232: { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
233: { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.34 schwarze 234: { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.29 schwarze 235: { NULL, NULL, NULL, NULL, NULL }, /* Es */
236: { NULL, NULL, NULL, NULL, NULL }, /* En */
1.8 schwarze 237: { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.34 schwarze 238: { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3 schwarze 239: { NULL, pre_br, NULL, NULL, NULL }, /* br */
240: { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.34 schwarze 241: { NULL, NULL, post_percent, NULL, NULL }, /* %U */
242: { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.3 schwarze 243: { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1 schwarze 244: };
245:
1.20 schwarze 246: static int outflags;
1.36 schwarze 247: #define MMAN_spc (1 << 0) /* blank character before next word */
248: #define MMAN_spc_force (1 << 1) /* even before trailing punctuation */
249: #define MMAN_nl (1 << 2) /* break man(7) code line */
250: #define MMAN_br (1 << 3) /* break output line */
251: #define MMAN_sp (1 << 4) /* insert a blank output line */
252: #define MMAN_PP (1 << 5) /* reset indentation etc. */
253: #define MMAN_Sm (1 << 6) /* horizontal spacing mode */
254: #define MMAN_Bk (1 << 7) /* word keep mode */
1.46 schwarze 255: #define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */
256: #define MMAN_An_split (1 << 9) /* author mode is "split" */
257: #define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
258: #define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */
1.56 schwarze 259: #define MMAN_nbrword (1 << 12) /* do not break the next word */
1.20 schwarze 260:
1.43 schwarze 261: #define BL_STACK_MAX 32
262:
263: static size_t Bl_stack[BL_STACK_MAX]; /* offsets [chars] */
264: static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */
265: static int Bl_stack_len; /* number of nested Bl blocks */
1.37 schwarze 266: static int TPremain; /* characters before tag is full */
267:
1.26 schwarze 268: static struct {
269: char *head;
270: char *tail;
271: size_t size;
272: } fontqueue;
273:
274: static void
275: font_push(char newfont)
276: {
277:
278: if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
279: fontqueue.size += 8;
280: fontqueue.head = mandoc_realloc(fontqueue.head,
281: fontqueue.size);
282: }
283: *fontqueue.tail = newfont;
1.37 schwarze 284: print_word("");
285: printf("\\f");
1.26 schwarze 286: putchar(newfont);
287: outflags &= ~MMAN_spc;
288: }
289:
290: static void
291: font_pop(void)
292: {
293:
294: if (fontqueue.tail > fontqueue.head)
295: fontqueue.tail--;
296: outflags &= ~MMAN_spc;
1.37 schwarze 297: print_word("");
298: printf("\\f");
1.26 schwarze 299: putchar(*fontqueue.tail);
300: }
301:
1.1 schwarze 302: static void
1.20 schwarze 303: print_word(const char *s)
1.1 schwarze 304: {
1.5 kristaps 305:
1.36 schwarze 306: if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.5 kristaps 307: /*
308: * If we need a newline, print it now and start afresh.
309: */
1.36 schwarze 310: if (MMAN_PP & outflags) {
1.44 schwarze 311: if (MMAN_sp & outflags) {
312: if (MMAN_PD & outflags) {
313: printf("\n.PD");
314: outflags &= ~MMAN_PD;
315: }
316: } else if ( ! (MMAN_PD & outflags)) {
317: printf("\n.PD 0");
318: outflags |= MMAN_PD;
319: }
1.36 schwarze 320: printf("\n.PP\n");
321: } else if (MMAN_sp & outflags)
1.21 schwarze 322: printf("\n.sp\n");
323: else if (MMAN_br & outflags)
324: printf("\n.br\n");
325: else if (MMAN_nl & outflags)
326: putchar('\n');
1.36 schwarze 327: outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.37 schwarze 328: if (1 == TPremain)
329: printf(".br\n");
330: TPremain = 0;
331: } else if (MMAN_spc & outflags) {
1.5 kristaps 332: /*
1.25 schwarze 333: * If we need a space, only print it if
334: * (1) it is forced by `No' or
335: * (2) what follows is not terminating punctuation or
336: * (3) what follows is longer than one character.
1.5 kristaps 337: */
1.37 schwarze 338: if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.25 schwarze 339: NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.46 schwarze 340: if (MMAN_Bk & outflags &&
341: ! (MMAN_Bk_susp & outflags))
1.13 schwarze 342: putchar('\\');
1.45 schwarze 343: putchar(' ');
1.37 schwarze 344: if (TPremain)
345: TPremain--;
1.13 schwarze 346: }
1.37 schwarze 347: }
1.5 kristaps 348:
349: /*
350: * Reassign needing space if we're not following opening
351: * punctuation.
352: */
1.37 schwarze 353: if (MMAN_Sm & outflags && ('\0' == s[0] ||
354: (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.20 schwarze 355: outflags |= MMAN_spc;
356: else
357: outflags &= ~MMAN_spc;
1.46 schwarze 358: outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.5 kristaps 359:
1.1 schwarze 360: for ( ; *s; s++) {
361: switch (*s) {
362: case (ASCII_NBRSP):
1.45 schwarze 363: printf("\\ ");
1.1 schwarze 364: break;
365: case (ASCII_HYPH):
366: putchar('-');
367: break;
1.56 schwarze 368: case (' '):
369: if (MMAN_nbrword & outflags) {
370: printf("\\ ");
371: break;
372: }
373: /* FALLTHROUGH */
1.1 schwarze 374: default:
1.5 kristaps 375: putchar((unsigned char)*s);
1.1 schwarze 376: break;
377: }
1.37 schwarze 378: if (TPremain)
379: TPremain--;
1.1 schwarze 380: }
1.56 schwarze 381: outflags &= ~MMAN_nbrword;
1.4 kristaps 382: }
383:
1.11 schwarze 384: static void
1.36 schwarze 385: print_line(const char *s, int newflags)
386: {
387:
388: outflags &= ~MMAN_br;
389: outflags |= MMAN_nl;
390: print_word(s);
391: outflags |= newflags;
392: }
393:
394: static void
395: print_block(const char *s, int newflags)
396: {
397:
398: outflags &= ~MMAN_PP;
1.44 schwarze 399: if (MMAN_sp & outflags) {
1.36 schwarze 400: outflags &= ~(MMAN_sp | MMAN_br);
1.44 schwarze 401: if (MMAN_PD & outflags) {
402: print_line(".PD", 0);
403: outflags &= ~MMAN_PD;
404: }
1.46 schwarze 405: } else if (! (MMAN_PD & outflags))
406: print_line(".PD 0", MMAN_PD);
1.36 schwarze 407: outflags |= MMAN_nl;
408: print_word(s);
1.46 schwarze 409: outflags |= MMAN_Bk_susp | newflags;
1.36 schwarze 410: }
411:
412: static void
1.20 schwarze 413: print_offs(const char *v)
1.11 schwarze 414: {
415: char buf[24];
416: struct roffsu su;
417: size_t sz;
418:
1.48 schwarze 419: print_line(".RS", MMAN_Bk_susp);
420:
1.43 schwarze 421: /* Convert v into a number (of characters). */
1.11 schwarze 422: if (NULL == v || '\0' == *v || 0 == strcmp(v, "left"))
423: sz = 0;
424: else if (0 == strcmp(v, "indent"))
425: sz = 6;
426: else if (0 == strcmp(v, "indent-two"))
427: sz = 12;
428: else if (a2roffsu(v, &su, SCALE_MAX)) {
1.43 schwarze 429: if (SCALE_EN == su.unit)
430: sz = su.scale;
431: else {
432: /*
433: * XXX
434: * If we are inside an enclosing list,
435: * there is no easy way to add the two
436: * indentations because they are provided
437: * in terms of different units.
438: */
439: print_word(v);
1.48 schwarze 440: outflags |= MMAN_nl;
1.43 schwarze 441: return;
442: }
1.11 schwarze 443: } else
444: sz = strlen(v);
445:
1.43 schwarze 446: /*
447: * We are inside an enclosing list.
448: * Add the two indentations.
449: */
450: if (Bl_stack_len)
451: sz += Bl_stack[Bl_stack_len - 1];
452:
1.53 schwarze 453: snprintf(buf, sizeof(buf), "%zun", sz);
1.20 schwarze 454: print_word(buf);
1.48 schwarze 455: outflags |= MMAN_nl;
1.11 schwarze 456: }
457:
1.47 schwarze 458: /*
459: * Set up the indentation for a list item; used from pre_it().
460: */
1.4 kristaps 461: void
1.35 schwarze 462: print_width(const char *v, const struct mdoc_node *child, size_t defsz)
1.30 schwarze 463: {
464: char buf[24];
465: struct roffsu su;
1.31 schwarze 466: size_t sz, chsz;
1.37 schwarze 467: int numeric, remain;
1.31 schwarze 468:
1.37 schwarze 469: numeric = 1;
470: remain = 0;
1.43 schwarze 471:
472: /* Convert v into a number (of characters). */
1.35 schwarze 473: if (NULL == v)
474: sz = defsz;
475: else if (a2roffsu(v, &su, SCALE_MAX)) {
1.30 schwarze 476: if (SCALE_EN == su.unit)
477: sz = su.scale;
478: else {
1.37 schwarze 479: sz = 0;
480: numeric = 0;
1.30 schwarze 481: }
482: } else
483: sz = strlen(v);
484:
1.37 schwarze 485: /* XXX Rough estimation, might have multiple parts. */
486: chsz = (NULL != child && MDOC_TEXT == child->type) ?
487: strlen(child->string) : 0;
488:
1.47 schwarze 489: /* Maybe we are inside an enclosing list? */
490: mid_it();
1.43 schwarze 491:
492: /*
493: * Save our own indentation,
494: * such that child lists can use it.
495: */
496: Bl_stack[Bl_stack_len++] = sz + 2;
497:
498: /* Set up the current list. */
1.37 schwarze 499: if (defsz && chsz > sz)
1.36 schwarze 500: print_block(".HP", 0);
1.37 schwarze 501: else {
1.36 schwarze 502: print_block(".TP", 0);
1.37 schwarze 503: remain = sz + 2;
504: }
505: if (numeric) {
1.53 schwarze 506: snprintf(buf, sizeof(buf), "%zun", sz + 2);
1.37 schwarze 507: print_word(buf);
508: } else
509: print_word(v);
510: TPremain = remain;
1.30 schwarze 511: }
512:
513: void
514: print_count(int *count)
515: {
516: char buf[12];
517:
518: snprintf(buf, sizeof(buf), "%d.", ++*count);
519: print_word(buf);
520: }
521:
522: void
1.4 kristaps 523: man_man(void *arg, const struct man *man)
524: {
525:
1.5 kristaps 526: /*
527: * Dump the keep buffer.
528: * We're guaranteed by now that this exists (is non-NULL).
529: * Flush stdout afterward, just in case.
530: */
1.4 kristaps 531: fputs(mparse_getkeep(man_mparse(man)), stdout);
1.5 kristaps 532: fflush(stdout);
1.1 schwarze 533: }
534:
535: void
536: man_mdoc(void *arg, const struct mdoc *mdoc)
537: {
1.42 schwarze 538: const struct mdoc_meta *meta;
1.1 schwarze 539: const struct mdoc_node *n;
540:
1.42 schwarze 541: meta = mdoc_meta(mdoc);
1.1 schwarze 542: n = mdoc_node(mdoc);
543:
1.45 schwarze 544: printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.42 schwarze 545: meta->title, meta->msec, meta->date,
546: meta->os, meta->vol);
1.1 schwarze 547:
1.45 schwarze 548: /* Disable hyphenation and if nroff, disable justification. */
549: printf(".nh\n.if n .ad l");
550:
1.20 schwarze 551: outflags = MMAN_nl | MMAN_Sm;
1.26 schwarze 552: if (0 == fontqueue.size) {
553: fontqueue.size = 8;
554: fontqueue.head = fontqueue.tail = mandoc_malloc(8);
555: *fontqueue.tail = 'R';
556: }
1.42 schwarze 557: print_node(meta, n);
1.3 schwarze 558: putchar('\n');
1.1 schwarze 559: }
560:
561: static void
562: print_node(DECL_ARGS)
563: {
1.52 schwarze 564: const struct mdoc_node *sub;
1.5 kristaps 565: const struct manact *act;
1.1 schwarze 566: int cond, do_sub;
1.46 schwarze 567:
1.5 kristaps 568: /*
569: * Break the line if we were parsed subsequent the current node.
570: * This makes the page structure be more consistent.
571: */
1.52 schwarze 572: if (MMAN_spc & outflags && MDOC_LINE & n->flags)
1.20 schwarze 573: outflags |= MMAN_nl;
1.1 schwarze 574:
1.5 kristaps 575: act = NULL;
1.1 schwarze 576: cond = 0;
577: do_sub = 1;
1.5 kristaps 578:
1.1 schwarze 579: if (MDOC_TEXT == n->type) {
1.5 kristaps 580: /*
581: * Make sure that we don't happen to start with a
582: * control character at the start of a line.
583: */
1.20 schwarze 584: if (MMAN_nl & outflags && ('.' == *n->string ||
1.5 kristaps 585: '\'' == *n->string)) {
1.37 schwarze 586: print_word("");
587: printf("\\&");
1.20 schwarze 588: outflags &= ~MMAN_spc;
1.3 schwarze 589: }
1.20 schwarze 590: print_word(n->string);
1.1 schwarze 591: } else {
1.5 kristaps 592: /*
593: * Conditionally run the pre-node action handler for a
594: * node.
595: */
1.1 schwarze 596: act = manacts + n->tok;
1.42 schwarze 597: cond = NULL == act->cond || (*act->cond)(meta, n);
1.1 schwarze 598: if (cond && act->pre)
1.42 schwarze 599: do_sub = (*act->pre)(meta, n);
1.1 schwarze 600: }
601:
1.5 kristaps 602: /*
603: * Conditionally run all child nodes.
604: * Note that this iterates over children instead of using
605: * recursion. This prevents unnecessary depth in the stack.
606: */
1.1 schwarze 607: if (do_sub)
608: for (sub = n->child; sub; sub = sub->next)
1.42 schwarze 609: print_node(meta, sub);
1.1 schwarze 610:
1.5 kristaps 611: /*
612: * Lastly, conditionally run the post-node handler.
613: */
1.1 schwarze 614: if (cond && act->post)
1.42 schwarze 615: (*act->post)(meta, n);
1.1 schwarze 616: }
617:
618: static int
619: cond_head(DECL_ARGS)
620: {
1.5 kristaps 621:
1.1 schwarze 622: return(MDOC_HEAD == n->type);
623: }
624:
625: static int
626: cond_body(DECL_ARGS)
627: {
1.5 kristaps 628:
1.1 schwarze 629: return(MDOC_BODY == n->type);
630: }
631:
632: static int
633: pre_enc(DECL_ARGS)
634: {
1.5 kristaps 635: const char *prefix;
1.1 schwarze 636:
637: prefix = manacts[n->tok].prefix;
638: if (NULL == prefix)
639: return(1);
1.20 schwarze 640: print_word(prefix);
641: outflags &= ~MMAN_spc;
1.1 schwarze 642: return(1);
643: }
644:
645: static void
646: post_enc(DECL_ARGS)
647: {
648: const char *suffix;
649:
650: suffix = manacts[n->tok].suffix;
651: if (NULL == suffix)
652: return;
1.20 schwarze 653: outflags &= ~MMAN_spc;
654: print_word(suffix);
1.26 schwarze 655: }
656:
657: static void
658: post_font(DECL_ARGS)
659: {
660:
661: font_pop();
1.1 schwarze 662: }
663:
664: static void
665: post_percent(DECL_ARGS)
666: {
667:
1.34 schwarze 668: if (pre_em == manacts[n->tok].pre)
669: font_pop();
670: if (n->next) {
1.20 schwarze 671: print_word(",");
1.34 schwarze 672: if (n->prev && n->prev->tok == n->tok &&
673: n->next->tok == n->tok)
674: print_word("and");
675: } else {
1.20 schwarze 676: print_word(".");
677: outflags |= MMAN_nl;
1.1 schwarze 678: }
679: }
680:
1.34 schwarze 681: static int
682: pre__t(DECL_ARGS)
683: {
684:
685: if (n->parent && MDOC_Rs == n->parent->tok &&
686: n->parent->norm->Rs.quote_T) {
1.37 schwarze 687: print_word("");
688: putchar('\"');
1.34 schwarze 689: outflags &= ~MMAN_spc;
690: } else
691: font_push('I');
692: return(1);
693: }
694:
695: static void
696: post__t(DECL_ARGS)
697: {
698:
699: if (n->parent && MDOC_Rs == n->parent->tok &&
700: n->parent->norm->Rs.quote_T) {
701: outflags &= ~MMAN_spc;
1.37 schwarze 702: print_word("");
703: putchar('\"');
1.34 schwarze 704: } else
705: font_pop();
1.42 schwarze 706: post_percent(meta, n);
1.34 schwarze 707: }
708:
1.5 kristaps 709: /*
710: * Print before a section header.
711: */
1.1 schwarze 712: static int
1.3 schwarze 713: pre_sect(DECL_ARGS)
714: {
715:
1.54 schwarze 716: if (MDOC_HEAD == n->type) {
1.46 schwarze 717: outflags |= MMAN_sp;
718: print_block(manacts[n->tok].prefix, 0);
719: print_word("");
720: putchar('\"');
721: outflags &= ~MMAN_spc;
722: }
1.3 schwarze 723: return(1);
724: }
725:
1.5 kristaps 726: /*
727: * Print subsequent a section header.
728: */
1.3 schwarze 729: static void
730: post_sect(DECL_ARGS)
731: {
732:
733: if (MDOC_HEAD != n->type)
734: return;
1.20 schwarze 735: outflags &= ~MMAN_spc;
1.37 schwarze 736: print_word("");
737: putchar('\"');
1.20 schwarze 738: outflags |= MMAN_nl;
1.22 schwarze 739: if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
740: outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
741: }
742:
1.23 schwarze 743: /* See mdoc_term.c, synopsis_pre() for comments. */
744: static void
745: pre_syn(const struct mdoc_node *n)
746: {
747:
748: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
749: return;
750:
751: if (n->prev->tok == n->tok &&
752: MDOC_Ft != n->tok &&
753: MDOC_Fo != n->tok &&
754: MDOC_Fn != n->tok) {
755: outflags |= MMAN_br;
756: return;
757: }
758:
759: switch (n->prev->tok) {
760: case (MDOC_Fd):
761: /* FALLTHROUGH */
762: case (MDOC_Fn):
763: /* FALLTHROUGH */
764: case (MDOC_Fo):
765: /* FALLTHROUGH */
766: case (MDOC_In):
767: /* FALLTHROUGH */
768: case (MDOC_Vt):
769: outflags |= MMAN_sp;
770: break;
771: case (MDOC_Ft):
772: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
773: outflags |= MMAN_sp;
774: break;
775: }
776: /* FALLTHROUGH */
777: default:
778: outflags |= MMAN_br;
779: break;
780: }
781: }
782:
1.22 schwarze 783: static int
784: pre_an(DECL_ARGS)
785: {
786:
787: switch (n->norm->An.auth) {
788: case (AUTH_split):
789: outflags &= ~MMAN_An_nosplit;
790: outflags |= MMAN_An_split;
791: return(0);
792: case (AUTH_nosplit):
793: outflags &= ~MMAN_An_split;
794: outflags |= MMAN_An_nosplit;
795: return(0);
796: default:
797: if (MMAN_An_split & outflags)
798: outflags |= MMAN_br;
799: else if (SEC_AUTHORS == n->sec &&
800: ! (MMAN_An_nosplit & outflags))
801: outflags |= MMAN_An_split;
802: return(1);
803: }
1.3 schwarze 804: }
805:
806: static int
807: pre_ap(DECL_ARGS)
808: {
809:
1.20 schwarze 810: outflags &= ~MMAN_spc;
811: print_word("'");
812: outflags &= ~MMAN_spc;
1.3 schwarze 813: return(0);
814: }
815:
816: static int
817: pre_bd(DECL_ARGS)
818: {
819:
1.36 schwarze 820: outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
821:
822: if (DISP_unfilled == n->norm->Bd.type ||
823: DISP_literal == n->norm->Bd.type)
824: print_line(".nf", 0);
825: if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.21 schwarze 826: outflags |= MMAN_sp;
1.20 schwarze 827: print_offs(n->norm->Bd.offs);
1.3 schwarze 828: return(1);
829: }
830:
831: static void
832: post_bd(DECL_ARGS)
833: {
834:
1.43 schwarze 835: /* Close out this display. */
1.36 schwarze 836: print_line(".RE", MMAN_nl);
1.3 schwarze 837: if (DISP_unfilled == n->norm->Bd.type ||
1.36 schwarze 838: DISP_literal == n->norm->Bd.type)
839: print_line(".fi", MMAN_nl);
1.43 schwarze 840:
1.47 schwarze 841: /* Maybe we are inside an enclosing list? */
842: if (NULL != n->parent->next)
843: mid_it();
1.13 schwarze 844: }
845:
846: static int
1.27 schwarze 847: pre_bf(DECL_ARGS)
848: {
849:
850: switch (n->type) {
851: case (MDOC_BLOCK):
852: return(1);
853: case (MDOC_BODY):
854: break;
855: default:
856: return(0);
857: }
858: switch (n->norm->Bf.font) {
859: case (FONT_Em):
860: font_push('I');
861: break;
862: case (FONT_Sy):
863: font_push('B');
864: break;
865: default:
866: font_push('R');
867: break;
868: }
869: return(1);
870: }
871:
872: static void
873: post_bf(DECL_ARGS)
874: {
875:
876: if (MDOC_BODY == n->type)
877: font_pop();
878: }
879:
880: static int
1.13 schwarze 881: pre_bk(DECL_ARGS)
882: {
883:
884: switch (n->type) {
885: case (MDOC_BLOCK):
886: return(1);
887: case (MDOC_BODY):
1.20 schwarze 888: outflags |= MMAN_Bk;
1.13 schwarze 889: return(1);
890: default:
891: return(0);
892: }
893: }
894:
895: static void
896: post_bk(DECL_ARGS)
897: {
898:
1.54 schwarze 899: if (MDOC_BODY == n->type)
1.20 schwarze 900: outflags &= ~MMAN_Bk;
1.3 schwarze 901: }
902:
903: static int
1.30 schwarze 904: pre_bl(DECL_ARGS)
905: {
1.33 schwarze 906: size_t icol;
1.30 schwarze 907:
1.49 schwarze 908: /*
909: * print_offs() will increase the -offset to account for
910: * a possible enclosing .It, but any enclosed .It blocks
911: * just nest and do not add up their indentation.
912: */
913: if (n->norm->Bl.offs) {
914: print_offs(n->norm->Bl.offs);
915: Bl_stack[Bl_stack_len++] = 0;
916: }
917:
1.33 schwarze 918: switch (n->norm->Bl.type) {
919: case (LIST_enum):
1.30 schwarze 920: n->norm->Bl.count = 0;
1.33 schwarze 921: return(1);
922: case (LIST_column):
923: break;
924: default:
925: return(1);
926: }
927:
1.36 schwarze 928: print_line(".TS", MMAN_nl);
1.33 schwarze 929: for (icol = 0; icol < n->norm->Bl.ncols; icol++)
930: print_word("l");
931: print_word(".");
1.36 schwarze 932: outflags |= MMAN_nl;
1.30 schwarze 933: return(1);
934: }
935:
936: static void
937: post_bl(DECL_ARGS)
938: {
939:
1.33 schwarze 940: switch (n->norm->Bl.type) {
1.36 schwarze 941: case (LIST_column):
942: print_line(".TE", 0);
943: break;
1.33 schwarze 944: case (LIST_enum):
945: n->norm->Bl.count = 0;
946: break;
947: default:
948: break;
949: }
1.49 schwarze 950:
951: if (n->norm->Bl.offs) {
952: print_line(".RE", MMAN_nl);
953: assert(Bl_stack_len);
954: Bl_stack_len--;
955: assert(0 == Bl_stack[Bl_stack_len]);
956: } else {
957: outflags |= MMAN_PP | MMAN_nl;
958: outflags &= ~(MMAN_sp | MMAN_br);
959: }
1.47 schwarze 960:
961: /* Maybe we are inside an enclosing list? */
962: if (NULL != n->parent->next)
963: mid_it();
964:
1.30 schwarze 965: }
966:
967: static int
1.3 schwarze 968: pre_br(DECL_ARGS)
969: {
970:
1.21 schwarze 971: outflags |= MMAN_br;
1.3 schwarze 972: return(0);
973: }
974:
975: static int
1.8 schwarze 976: pre_bx(DECL_ARGS)
977: {
978:
979: n = n->child;
980: if (n) {
1.20 schwarze 981: print_word(n->string);
982: outflags &= ~MMAN_spc;
1.8 schwarze 983: n = n->next;
984: }
1.20 schwarze 985: print_word("BSD");
1.8 schwarze 986: if (NULL == n)
987: return(0);
1.20 schwarze 988: outflags &= ~MMAN_spc;
989: print_word("-");
990: outflags &= ~MMAN_spc;
991: print_word(n->string);
1.8 schwarze 992: return(0);
993: }
994:
995: static int
1.1 schwarze 996: pre_dl(DECL_ARGS)
997: {
998:
1.47 schwarze 999: print_offs("6n");
1.1 schwarze 1000: return(1);
1001: }
1002:
1003: static void
1004: post_dl(DECL_ARGS)
1005: {
1006:
1.36 schwarze 1007: print_line(".RE", MMAN_nl);
1.47 schwarze 1008:
1009: /* Maybe we are inside an enclosing list? */
1010: if (NULL != n->parent->next)
1011: mid_it();
1.16 schwarze 1012: }
1013:
1014: static int
1.26 schwarze 1015: pre_em(DECL_ARGS)
1016: {
1017:
1018: font_push('I');
1019: return(1);
1.28 schwarze 1020: }
1021:
1022: static void
1023: post_eo(DECL_ARGS)
1024: {
1025:
1026: if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
1027: outflags &= ~MMAN_spc;
1.26 schwarze 1028: }
1029:
1030: static int
1.17 schwarze 1031: pre_fa(DECL_ARGS)
1032: {
1.57 ! schwarze 1033: int am_Fa;
1.17 schwarze 1034:
1.57 ! schwarze 1035: am_Fa = MDOC_Fa == n->tok;
! 1036:
! 1037: if (am_Fa)
1.17 schwarze 1038: n = n->child;
1039:
1040: while (NULL != n) {
1.26 schwarze 1041: font_push('I');
1.57 ! schwarze 1042: if (am_Fa || MDOC_SYNPRETTY & n->flags)
1.56 schwarze 1043: outflags |= MMAN_nbrword;
1.42 schwarze 1044: print_node(meta, n);
1.26 schwarze 1045: font_pop();
1.17 schwarze 1046: if (NULL != (n = n->next))
1.20 schwarze 1047: print_word(",");
1.17 schwarze 1048: }
1049: return(0);
1050: }
1051:
1052: static void
1053: post_fa(DECL_ARGS)
1054: {
1055:
1056: if (NULL != n->next && MDOC_Fa == n->next->tok)
1.20 schwarze 1057: print_word(",");
1.29 schwarze 1058: }
1059:
1060: static int
1061: pre_fd(DECL_ARGS)
1062: {
1063:
1064: pre_syn(n);
1065: font_push('B');
1066: return(1);
1067: }
1068:
1069: static void
1070: post_fd(DECL_ARGS)
1071: {
1072:
1073: font_pop();
1074: outflags |= MMAN_br;
1.17 schwarze 1075: }
1076:
1077: static int
1.26 schwarze 1078: pre_fl(DECL_ARGS)
1079: {
1080:
1081: font_push('B');
1.45 schwarze 1082: print_word("\\-");
1.26 schwarze 1083: outflags &= ~MMAN_spc;
1084: return(1);
1085: }
1086:
1087: static void
1088: post_fl(DECL_ARGS)
1089: {
1090:
1091: font_pop();
1.27 schwarze 1092: if (0 == n->nchild && NULL != n->next &&
1093: n->next->line == n->line)
1.26 schwarze 1094: outflags &= ~MMAN_spc;
1095: }
1096:
1097: static int
1.16 schwarze 1098: pre_fn(DECL_ARGS)
1099: {
1100:
1.23 schwarze 1101: pre_syn(n);
1102:
1.16 schwarze 1103: n = n->child;
1104: if (NULL == n)
1105: return(0);
1106:
1.55 schwarze 1107: if (MDOC_SYNPRETTY & n->flags)
1108: print_block(".HP 4n", MMAN_nl);
1109:
1.26 schwarze 1110: font_push('B');
1.42 schwarze 1111: print_node(meta, n);
1.26 schwarze 1112: font_pop();
1.20 schwarze 1113: outflags &= ~MMAN_spc;
1.26 schwarze 1114: print_word("(");
1.20 schwarze 1115: outflags &= ~MMAN_spc;
1.35 schwarze 1116:
1117: n = n->next;
1118: if (NULL != n)
1.42 schwarze 1119: pre_fa(meta, n);
1.35 schwarze 1120: return(0);
1.16 schwarze 1121: }
1122:
1123: static void
1124: post_fn(DECL_ARGS)
1125: {
1126:
1.20 schwarze 1127: print_word(")");
1.16 schwarze 1128: if (MDOC_SYNPRETTY & n->flags) {
1.20 schwarze 1129: print_word(";");
1.55 schwarze 1130: outflags |= MMAN_PP;
1.17 schwarze 1131: }
1132: }
1133:
1134: static int
1135: pre_fo(DECL_ARGS)
1136: {
1137:
1138: switch (n->type) {
1.23 schwarze 1139: case (MDOC_BLOCK):
1140: pre_syn(n);
1141: break;
1.17 schwarze 1142: case (MDOC_HEAD):
1.57 ! schwarze 1143: if (MDOC_SYNPRETTY & n->flags)
! 1144: print_block(".HP 4n", MMAN_nl);
1.26 schwarze 1145: font_push('B');
1.17 schwarze 1146: break;
1147: case (MDOC_BODY):
1.20 schwarze 1148: outflags &= ~MMAN_spc;
1149: print_word("(");
1150: outflags &= ~MMAN_spc;
1.17 schwarze 1151: break;
1152: default:
1153: break;
1154: }
1155: return(1);
1156: }
1.57 ! schwarze 1157:
1.17 schwarze 1158: static void
1159: post_fo(DECL_ARGS)
1160: {
1161:
1162: switch (n->type) {
1163: case (MDOC_HEAD):
1.26 schwarze 1164: font_pop();
1.17 schwarze 1165: break;
1166: case (MDOC_BODY):
1.42 schwarze 1167: post_fn(meta, n);
1.17 schwarze 1168: break;
1169: default:
1170: break;
1.16 schwarze 1171: }
1.15 schwarze 1172: }
1173:
1174: static int
1.23 schwarze 1175: pre_ft(DECL_ARGS)
1176: {
1177:
1178: pre_syn(n);
1.26 schwarze 1179: font_push('I');
1.23 schwarze 1180: return(1);
1181: }
1182:
1183: static int
1.15 schwarze 1184: pre_in(DECL_ARGS)
1185: {
1186:
1187: if (MDOC_SYNPRETTY & n->flags) {
1.23 schwarze 1188: pre_syn(n);
1.26 schwarze 1189: font_push('B');
1190: print_word("#include <");
1191: outflags &= ~MMAN_spc;
1192: } else {
1193: print_word("<");
1194: outflags &= ~MMAN_spc;
1195: font_push('I');
1196: }
1.15 schwarze 1197: return(1);
1198: }
1199:
1200: static void
1201: post_in(DECL_ARGS)
1202: {
1203:
1204: if (MDOC_SYNPRETTY & n->flags) {
1.26 schwarze 1205: outflags &= ~MMAN_spc;
1206: print_word(">");
1207: font_pop();
1.21 schwarze 1208: outflags |= MMAN_br;
1.26 schwarze 1209: } else {
1210: font_pop();
1211: outflags &= ~MMAN_spc;
1212: print_word(">");
1213: }
1.1 schwarze 1214: }
1215:
1216: static int
1217: pre_it(DECL_ARGS)
1218: {
1219: const struct mdoc_node *bln;
1220:
1.30 schwarze 1221: switch (n->type) {
1222: case (MDOC_HEAD):
1.36 schwarze 1223: outflags |= MMAN_PP | MMAN_nl;
1.30 schwarze 1224: bln = n->parent->parent;
1.36 schwarze 1225: if (0 == bln->norm->Bl.comp ||
1.39 schwarze 1226: (NULL == n->parent->prev &&
1227: NULL == bln->parent->prev))
1.36 schwarze 1228: outflags |= MMAN_sp;
1229: outflags &= ~MMAN_br;
1.3 schwarze 1230: switch (bln->norm->Bl.type) {
1.30 schwarze 1231: case (LIST_item):
1232: return(0);
1233: case (LIST_inset):
1234: /* FALLTHROUGH */
1235: case (LIST_diag):
1236: /* FALLTHROUGH */
1237: case (LIST_ohang):
1238: if (bln->norm->Bl.type == LIST_diag)
1.36 schwarze 1239: print_line(".B \"", 0);
1.30 schwarze 1240: else
1.36 schwarze 1241: print_line(".R \"", 0);
1.30 schwarze 1242: outflags &= ~MMAN_spc;
1243: return(1);
1.3 schwarze 1244: case (LIST_bullet):
1.30 schwarze 1245: /* FALLTHROUGH */
1246: case (LIST_dash):
1247: /* FALLTHROUGH */
1248: case (LIST_hyphen):
1.35 schwarze 1249: print_width(bln->norm->Bl.width, NULL, 0);
1.37 schwarze 1250: TPremain = 0;
1.30 schwarze 1251: outflags |= MMAN_nl;
1252: font_push('B');
1253: if (LIST_bullet == bln->norm->Bl.type)
1254: print_word("o");
1255: else
1256: print_word("-");
1257: font_pop();
1258: break;
1259: case (LIST_enum):
1.35 schwarze 1260: print_width(bln->norm->Bl.width, NULL, 0);
1.37 schwarze 1261: TPremain = 0;
1.30 schwarze 1262: outflags |= MMAN_nl;
1263: print_count(&bln->norm->Bl.count);
1.3 schwarze 1264: break;
1.31 schwarze 1265: case (LIST_hang):
1.35 schwarze 1266: print_width(bln->norm->Bl.width, n->child, 6);
1.37 schwarze 1267: TPremain = 0;
1.32 schwarze 1268: break;
1269: case (LIST_tag):
1.37 schwarze 1270: print_width(bln->norm->Bl.width, n->child, 0);
1271: putchar('\n');
1272: outflags &= ~MMAN_spc;
1273: return(1);
1.3 schwarze 1274: default:
1.32 schwarze 1275: return(1);
1.3 schwarze 1276: }
1.20 schwarze 1277: outflags |= MMAN_nl;
1.30 schwarze 1278: default:
1279: break;
1.1 schwarze 1280: }
1281: return(1);
1.30 schwarze 1282: }
1283:
1.47 schwarze 1284: /*
1285: * This function is called after closing out an indented block.
1286: * If we are inside an enclosing list, restore its indentation.
1287: */
1288: static void
1289: mid_it(void)
1290: {
1291: char buf[24];
1292:
1293: /* Nothing to do outside a list. */
1294: if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
1295: return;
1296:
1297: /* The indentation has already been set up. */
1298: if (Bl_stack_post[Bl_stack_len - 1])
1299: return;
1300:
1301: /* Restore the indentation of the enclosing list. */
1302: print_line(".RS", MMAN_Bk_susp);
1.53 schwarze 1303: snprintf(buf, sizeof(buf), "%zun", Bl_stack[Bl_stack_len - 1]);
1.47 schwarze 1304: print_word(buf);
1305:
1306: /* Remeber to close out this .RS block later. */
1307: Bl_stack_post[Bl_stack_len - 1] = 1;
1308: }
1309:
1.30 schwarze 1310: static void
1311: post_it(DECL_ARGS)
1312: {
1313: const struct mdoc_node *bln;
1314:
1.33 schwarze 1315: bln = n->parent->parent;
1316:
1317: switch (n->type) {
1318: case (MDOC_HEAD):
1.30 schwarze 1319: switch (bln->norm->Bl.type) {
1320: case (LIST_diag):
1321: outflags &= ~MMAN_spc;
1322: print_word("\\ ");
1323: break;
1324: case (LIST_ohang):
1325: outflags |= MMAN_br;
1326: break;
1327: default:
1328: break;
1329: }
1.33 schwarze 1330: break;
1331: case (MDOC_BODY):
1.43 schwarze 1332: switch (bln->norm->Bl.type) {
1333: case (LIST_bullet):
1334: /* FALLTHROUGH */
1335: case (LIST_dash):
1336: /* FALLTHROUGH */
1337: case (LIST_hyphen):
1338: /* FALLTHROUGH */
1339: case (LIST_enum):
1340: /* FALLTHROUGH */
1341: case (LIST_hang):
1342: /* FALLTHROUGH */
1343: case (LIST_tag):
1344: assert(Bl_stack_len);
1345: Bl_stack[--Bl_stack_len] = 0;
1346:
1347: /*
1348: * Our indentation had to be restored
1.47 schwarze 1349: * after a child display or child list.
1.43 schwarze 1350: * Close out that indentation block now.
1351: */
1352: if (Bl_stack_post[Bl_stack_len]) {
1353: print_line(".RE", MMAN_nl);
1354: Bl_stack_post[Bl_stack_len] = 0;
1355: }
1356: break;
1357: case (LIST_column):
1358: if (NULL != n->next) {
1359: putchar('\t');
1360: outflags &= ~MMAN_spc;
1361: }
1362: break;
1363: default:
1364: break;
1.33 schwarze 1365: }
1366: break;
1367: default:
1368: break;
1.30 schwarze 1369: }
1.14 schwarze 1370: }
1371:
1372: static void
1373: post_lb(DECL_ARGS)
1374: {
1375:
1.21 schwarze 1376: if (SEC_LIBRARY == n->sec)
1377: outflags |= MMAN_br;
1.24 schwarze 1378: }
1379:
1380: static int
1381: pre_lk(DECL_ARGS)
1382: {
1383: const struct mdoc_node *link, *descr;
1384:
1385: if (NULL == (link = n->child))
1386: return(0);
1387:
1388: if (NULL != (descr = link->next)) {
1.26 schwarze 1389: font_push('I');
1.24 schwarze 1390: while (NULL != descr) {
1391: print_word(descr->string);
1392: descr = descr->next;
1393: }
1394: print_word(":");
1.26 schwarze 1395: font_pop();
1.24 schwarze 1396: }
1397:
1.26 schwarze 1398: font_push('B');
1.24 schwarze 1399: print_word(link->string);
1.26 schwarze 1400: font_pop();
1.24 schwarze 1401: return(0);
1.1 schwarze 1402: }
1403:
1404: static int
1.26 schwarze 1405: pre_li(DECL_ARGS)
1406: {
1407:
1408: font_push('R');
1409: return(1);
1410: }
1411:
1412: static int
1.1 schwarze 1413: pre_nm(DECL_ARGS)
1414: {
1.38 schwarze 1415: char *name;
1.1 schwarze 1416:
1.54 schwarze 1417: if (MDOC_BLOCK == n->type) {
1418: outflags |= MMAN_Bk;
1.23 schwarze 1419: pre_syn(n);
1.54 schwarze 1420: }
1.1 schwarze 1421: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
1422: return(1);
1.42 schwarze 1423: name = n->child ? n->child->string : meta->name;
1.38 schwarze 1424: if (NULL == name)
1.23 schwarze 1425: return(0);
1.38 schwarze 1426: if (MDOC_HEAD == n->type) {
1427: if (NULL == n->parent->prev)
1428: outflags |= MMAN_sp;
1429: print_block(".HP", 0);
1.53 schwarze 1430: printf(" %zun", strlen(name) + 1);
1.38 schwarze 1431: outflags |= MMAN_nl;
1432: }
1.26 schwarze 1433: font_push('B');
1.1 schwarze 1434: if (NULL == n->child)
1.42 schwarze 1435: print_word(meta->name);
1.1 schwarze 1436: return(1);
1437: }
1438:
1439: static void
1440: post_nm(DECL_ARGS)
1441: {
1442:
1.54 schwarze 1443: switch (n->type) {
1444: case (MDOC_BLOCK):
1445: outflags &= ~MMAN_Bk;
1446: break;
1447: case (MDOC_HEAD):
1448: /* FALLTHROUGH */
1449: case (MDOC_ELEM):
1450: font_pop();
1451: break;
1452: default:
1453: break;
1454: }
1.25 schwarze 1455: }
1456:
1457: static int
1458: pre_no(DECL_ARGS)
1459: {
1460:
1461: outflags |= MMAN_spc_force;
1462: return(1);
1.1 schwarze 1463: }
1464:
1465: static int
1466: pre_ns(DECL_ARGS)
1467: {
1468:
1.20 schwarze 1469: outflags &= ~MMAN_spc;
1.1 schwarze 1470: return(0);
1471: }
1472:
1.3 schwarze 1473: static void
1474: post_pf(DECL_ARGS)
1475: {
1476:
1.20 schwarze 1477: outflags &= ~MMAN_spc;
1.3 schwarze 1478: }
1479:
1.1 schwarze 1480: static int
1481: pre_pp(DECL_ARGS)
1482: {
1483:
1.36 schwarze 1484: if (MDOC_It != n->parent->tok)
1485: outflags |= MMAN_PP;
1486: outflags |= MMAN_sp | MMAN_nl;
1487: outflags &= ~MMAN_br;
1.34 schwarze 1488: return(0);
1489: }
1490:
1491: static int
1492: pre_rs(DECL_ARGS)
1493: {
1494:
1495: if (SEC_SEE_ALSO == n->sec) {
1.36 schwarze 1496: outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
1497: outflags &= ~MMAN_br;
1.34 schwarze 1498: }
1499: return(1);
1.12 schwarze 1500: }
1501:
1502: static int
1503: pre_sm(DECL_ARGS)
1504: {
1505:
1506: assert(n->child && MDOC_TEXT == n->child->type);
1507: if (0 == strcmp("on", n->child->string))
1.27 schwarze 1508: outflags |= MMAN_Sm | MMAN_spc;
1.12 schwarze 1509: else
1.20 schwarze 1510: outflags &= ~MMAN_Sm;
1.12 schwarze 1511: return(0);
1.1 schwarze 1512: }
1513:
1514: static int
1.3 schwarze 1515: pre_sp(DECL_ARGS)
1.1 schwarze 1516: {
1517:
1.41 schwarze 1518: if (MMAN_PP & outflags) {
1519: outflags &= ~MMAN_PP;
1.40 schwarze 1520: print_line(".PP", 0);
1.41 schwarze 1521: } else
1.40 schwarze 1522: print_line(".sp", 0);
1.1 schwarze 1523: return(1);
1524: }
1525:
1526: static void
1.3 schwarze 1527: post_sp(DECL_ARGS)
1.1 schwarze 1528: {
1529:
1.20 schwarze 1530: outflags |= MMAN_nl;
1.18 schwarze 1531: }
1532:
1533: static int
1.26 schwarze 1534: pre_sy(DECL_ARGS)
1535: {
1536:
1537: font_push('B');
1538: return(1);
1539: }
1540:
1541: static int
1.18 schwarze 1542: pre_vt(DECL_ARGS)
1543: {
1544:
1545: if (MDOC_SYNPRETTY & n->flags) {
1546: switch (n->type) {
1547: case (MDOC_BLOCK):
1.23 schwarze 1548: pre_syn(n);
1.18 schwarze 1549: return(1);
1550: case (MDOC_BODY):
1551: break;
1552: default:
1553: return(0);
1554: }
1555: }
1.26 schwarze 1556: font_push('I');
1.18 schwarze 1557: return(1);
1558: }
1559:
1560: static void
1561: post_vt(DECL_ARGS)
1562: {
1563:
1.19 schwarze 1564: if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.18 schwarze 1565: return;
1.26 schwarze 1566: font_pop();
1.1 schwarze 1567: }
1568:
1569: static int
1570: pre_xr(DECL_ARGS)
1571: {
1572:
1573: n = n->child;
1574: if (NULL == n)
1575: return(0);
1.42 schwarze 1576: print_node(meta, n);
1.1 schwarze 1577: n = n->next;
1578: if (NULL == n)
1579: return(0);
1.20 schwarze 1580: outflags &= ~MMAN_spc;
1581: print_word("(");
1.42 schwarze 1582: print_node(meta, n);
1.20 schwarze 1583: print_word(")");
1.1 schwarze 1584: return(0);
1.8 schwarze 1585: }
1586:
1587: static int
1588: pre_ux(DECL_ARGS)
1589: {
1590:
1.20 schwarze 1591: print_word(manacts[n->tok].prefix);
1.8 schwarze 1592: if (NULL == n->child)
1593: return(0);
1.20 schwarze 1594: outflags &= ~MMAN_spc;
1.45 schwarze 1595: print_word("\\ ");
1.20 schwarze 1596: outflags &= ~MMAN_spc;
1.8 schwarze 1597: return(1);
1.1 schwarze 1598: }
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