Annotation of src/usr.bin/mandoc/mdoc_man.c, Revision 1.59
1.59 ! schwarze 1: /* $Id: mdoc_man.c,v 1.58 2014/01/24 11:56:34 schwarze Exp $ */
1.1 schwarze 2: /*
1.57 schwarze 3: * Copyright (c) 2011, 2012, 2013, 2014 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: */
1.9 schwarze 17: #include <assert.h>
1.1 schwarze 18: #include <stdio.h>
19: #include <string.h>
20:
21: #include "mandoc.h"
1.59 ! schwarze 22: #include "mandoc_aux.h"
1.8 schwarze 23: #include "out.h"
1.4 schwarze 24: #include "man.h"
1.1 schwarze 25: #include "mdoc.h"
26: #include "main.h"
27:
1.42 schwarze 28: #define DECL_ARGS const struct mdoc_meta *meta, \
1.18 schwarze 29: const struct mdoc_node *n
1.1 schwarze 30:
31: struct manact {
1.4 schwarze 32: int (*cond)(DECL_ARGS); /* DON'T run actions */
33: int (*pre)(DECL_ARGS); /* pre-node action */
34: void (*post)(DECL_ARGS); /* post-node action */
35: const char *prefix; /* pre-node string constant */
36: const char *suffix; /* post-node string constant */
1.1 schwarze 37: };
38:
1.4 schwarze 39: static int cond_body(DECL_ARGS);
1.1 schwarze 40: static int cond_head(DECL_ARGS);
1.24 schwarze 41: static void font_push(char);
42: static void font_pop(void);
1.46 schwarze 43: static void mid_it(void);
1.32 schwarze 44: static void post__t(DECL_ARGS);
1.4 schwarze 45: static void post_bd(DECL_ARGS);
1.25 schwarze 46: static void post_bf(DECL_ARGS);
1.10 schwarze 47: static void post_bk(DECL_ARGS);
1.28 schwarze 48: static void post_bl(DECL_ARGS);
1.4 schwarze 49: static void post_dl(DECL_ARGS);
1.1 schwarze 50: static void post_enc(DECL_ARGS);
1.26 schwarze 51: static void post_eo(DECL_ARGS);
1.14 schwarze 52: static void post_fa(DECL_ARGS);
1.27 schwarze 53: static void post_fd(DECL_ARGS);
1.24 schwarze 54: static void post_fl(DECL_ARGS);
1.13 schwarze 55: static void post_fn(DECL_ARGS);
1.14 schwarze 56: static void post_fo(DECL_ARGS);
1.24 schwarze 57: static void post_font(DECL_ARGS);
1.12 schwarze 58: static void post_in(DECL_ARGS);
1.28 schwarze 59: static void post_it(DECL_ARGS);
1.11 schwarze 60: static void post_lb(DECL_ARGS);
1.4 schwarze 61: static void post_nm(DECL_ARGS);
1.1 schwarze 62: static void post_percent(DECL_ARGS);
1.4 schwarze 63: static void post_pf(DECL_ARGS);
1.3 schwarze 64: static void post_sect(DECL_ARGS);
1.4 schwarze 65: static void post_sp(DECL_ARGS);
1.15 schwarze 66: static void post_vt(DECL_ARGS);
1.32 schwarze 67: static int pre__t(DECL_ARGS);
1.20 schwarze 68: static int pre_an(DECL_ARGS);
1.3 schwarze 69: static int pre_ap(DECL_ARGS);
70: static int pre_bd(DECL_ARGS);
1.25 schwarze 71: static int pre_bf(DECL_ARGS);
1.10 schwarze 72: static int pre_bk(DECL_ARGS);
1.28 schwarze 73: static int pre_bl(DECL_ARGS);
1.3 schwarze 74: static int pre_br(DECL_ARGS);
1.5 schwarze 75: static int pre_bx(DECL_ARGS);
1.1 schwarze 76: static int pre_dl(DECL_ARGS);
1.4 schwarze 77: static int pre_enc(DECL_ARGS);
1.24 schwarze 78: static int pre_em(DECL_ARGS);
1.14 schwarze 79: static int pre_fa(DECL_ARGS);
1.27 schwarze 80: static int pre_fd(DECL_ARGS);
1.24 schwarze 81: static int pre_fl(DECL_ARGS);
1.13 schwarze 82: static int pre_fn(DECL_ARGS);
1.14 schwarze 83: static int pre_fo(DECL_ARGS);
1.21 schwarze 84: static int pre_ft(DECL_ARGS);
1.12 schwarze 85: static int pre_in(DECL_ARGS);
1.1 schwarze 86: static int pre_it(DECL_ARGS);
1.22 schwarze 87: static int pre_lk(DECL_ARGS);
1.24 schwarze 88: static int pre_li(DECL_ARGS);
1.1 schwarze 89: static int pre_nm(DECL_ARGS);
1.23 schwarze 90: static int pre_no(DECL_ARGS);
1.1 schwarze 91: static int pre_ns(DECL_ARGS);
92: static int pre_pp(DECL_ARGS);
1.32 schwarze 93: static int pre_rs(DECL_ARGS);
1.9 schwarze 94: static int pre_sm(DECL_ARGS);
1.3 schwarze 95: static int pre_sp(DECL_ARGS);
1.4 schwarze 96: static int pre_sect(DECL_ARGS);
1.24 schwarze 97: static int pre_sy(DECL_ARGS);
1.21 schwarze 98: static void pre_syn(const struct mdoc_node *);
1.15 schwarze 99: static int pre_vt(DECL_ARGS);
1.5 schwarze 100: static int pre_ux(DECL_ARGS);
1.1 schwarze 101: static int pre_xr(DECL_ARGS);
1.18 schwarze 102: static void print_word(const char *);
1.34 schwarze 103: static void print_line(const char *, int);
104: static void print_block(const char *, int);
1.18 schwarze 105: static void print_offs(const char *);
1.33 schwarze 106: static void print_width(const char *,
107: const struct mdoc_node *, size_t);
1.28 schwarze 108: static void print_count(int *);
1.4 schwarze 109: static void print_node(DECL_ARGS);
1.1 schwarze 110:
1.3 schwarze 111: static const struct manact manacts[MDOC_MAX + 1] = {
112: { NULL, pre_ap, NULL, NULL, NULL }, /* Ap */
113: { NULL, NULL, NULL, NULL, NULL }, /* Dd */
114: { NULL, NULL, NULL, NULL, NULL }, /* Dt */
1.5 schwarze 115: { NULL, NULL, NULL, NULL, NULL }, /* Os */
1.3 schwarze 116: { NULL, pre_sect, post_sect, ".SH", NULL }, /* Sh */
117: { NULL, pre_sect, post_sect, ".SS", NULL }, /* Ss */
1.1 schwarze 118: { NULL, pre_pp, NULL, NULL, NULL }, /* Pp */
1.3 schwarze 119: { cond_body, pre_dl, post_dl, NULL, NULL }, /* D1 */
1.1 schwarze 120: { cond_body, pre_dl, post_dl, NULL, NULL }, /* Dl */
1.3 schwarze 121: { cond_body, pre_bd, post_bd, NULL, NULL }, /* Bd */
122: { NULL, NULL, NULL, NULL, NULL }, /* Ed */
1.28 schwarze 123: { cond_body, pre_bl, post_bl, NULL, NULL }, /* Bl */
1.3 schwarze 124: { NULL, NULL, NULL, NULL, NULL }, /* El */
1.28 schwarze 125: { NULL, pre_it, post_it, NULL, NULL }, /* It */
1.24 schwarze 126: { NULL, pre_em, post_font, NULL, NULL }, /* Ad */
1.20 schwarze 127: { NULL, pre_an, NULL, NULL, NULL }, /* An */
1.24 schwarze 128: { NULL, pre_em, post_font, NULL, NULL }, /* Ar */
129: { NULL, pre_sy, post_font, NULL, NULL }, /* Cd */
130: { NULL, pre_sy, post_font, NULL, NULL }, /* Cm */
131: { NULL, pre_li, post_font, NULL, NULL }, /* Dv */
132: { NULL, pre_li, post_font, NULL, NULL }, /* Er */
133: { NULL, pre_li, post_font, NULL, NULL }, /* Ev */
1.1 schwarze 134: { NULL, pre_enc, post_enc, "The \\fB",
135: "\\fP\nutility exits 0 on success, and >0 if an error occurs."
136: }, /* Ex */
1.14 schwarze 137: { NULL, pre_fa, post_fa, NULL, NULL }, /* Fa */
1.27 schwarze 138: { NULL, pre_fd, post_fd, NULL, NULL }, /* Fd */
1.24 schwarze 139: { NULL, pre_fl, post_fl, NULL, NULL }, /* Fl */
1.13 schwarze 140: { NULL, pre_fn, post_fn, NULL, NULL }, /* Fn */
1.24 schwarze 141: { NULL, pre_ft, post_font, NULL, NULL }, /* Ft */
142: { NULL, pre_sy, post_font, NULL, NULL }, /* Ic */
1.12 schwarze 143: { NULL, pre_in, post_in, NULL, NULL }, /* In */
1.24 schwarze 144: { NULL, pre_li, post_font, NULL, NULL }, /* Li */
1.1 schwarze 145: { cond_head, pre_enc, NULL, "\\- ", NULL }, /* Nd */
146: { NULL, pre_nm, post_nm, NULL, NULL }, /* Nm */
147: { cond_body, pre_enc, post_enc, "[", "]" }, /* Op */
1.5 schwarze 148: { NULL, NULL, NULL, NULL, NULL }, /* Ot */
1.24 schwarze 149: { NULL, pre_em, post_font, NULL, NULL }, /* Pa */
1.4 schwarze 150: { NULL, pre_enc, post_enc, "The \\fB",
151: "\\fP\nfunction returns the value 0 if successful;\n"
152: "otherwise the value -1 is returned and the global\n"
153: "variable \\fIerrno\\fP is set to indicate the error."
154: }, /* Rv */
1.5 schwarze 155: { NULL, NULL, NULL, NULL, NULL }, /* St */
1.24 schwarze 156: { NULL, pre_em, post_font, NULL, NULL }, /* Va */
1.15 schwarze 157: { NULL, pre_vt, post_vt, NULL, NULL }, /* Vt */
1.5 schwarze 158: { NULL, pre_xr, NULL, NULL, NULL }, /* Xr */
1.32 schwarze 159: { NULL, NULL, post_percent, NULL, NULL }, /* %A */
160: { NULL, pre_em, post_percent, NULL, NULL }, /* %B */
161: { NULL, NULL, post_percent, NULL, NULL }, /* %D */
162: { NULL, pre_em, post_percent, NULL, NULL }, /* %I */
163: { NULL, pre_em, post_percent, NULL, NULL }, /* %J */
164: { NULL, NULL, post_percent, NULL, NULL }, /* %N */
165: { NULL, NULL, post_percent, NULL, NULL }, /* %O */
166: { NULL, NULL, post_percent, NULL, NULL }, /* %P */
167: { NULL, NULL, post_percent, NULL, NULL }, /* %R */
168: { NULL, pre__t, post__t, NULL, NULL }, /* %T */
169: { NULL, NULL, post_percent, NULL, NULL }, /* %V */
1.6 schwarze 170: { NULL, NULL, NULL, NULL, NULL }, /* Ac */
171: { cond_body, pre_enc, post_enc, "<", ">" }, /* Ao */
1.1 schwarze 172: { cond_body, pre_enc, post_enc, "<", ">" }, /* Aq */
1.5 schwarze 173: { NULL, NULL, NULL, NULL, NULL }, /* At */
1.3 schwarze 174: { NULL, NULL, NULL, NULL, NULL }, /* Bc */
1.25 schwarze 175: { NULL, pre_bf, post_bf, NULL, NULL }, /* Bf */
1.3 schwarze 176: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bo */
177: { cond_body, pre_enc, post_enc, "[", "]" }, /* Bq */
1.5 schwarze 178: { NULL, pre_ux, NULL, "BSD/OS", NULL }, /* Bsx */
179: { NULL, pre_bx, NULL, NULL, NULL }, /* Bx */
180: { NULL, NULL, NULL, NULL, NULL }, /* Db */
1.6 schwarze 181: { NULL, NULL, NULL, NULL, NULL }, /* Dc */
1.50 schwarze 182: { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Do */
183: { cond_body, pre_enc, post_enc, "\\(lq", "\\(rq" }, /* Dq */
1.26 schwarze 184: { NULL, NULL, NULL, NULL, NULL }, /* Ec */
185: { NULL, NULL, NULL, NULL, NULL }, /* Ef */
1.24 schwarze 186: { NULL, pre_em, post_font, NULL, NULL }, /* Em */
1.26 schwarze 187: { NULL, NULL, post_eo, NULL, NULL }, /* Eo */
1.5 schwarze 188: { NULL, pre_ux, NULL, "FreeBSD", NULL }, /* Fx */
1.24 schwarze 189: { NULL, pre_sy, post_font, NULL, NULL }, /* Ms */
1.23 schwarze 190: { NULL, pre_no, NULL, NULL, NULL }, /* No */
1.1 schwarze 191: { NULL, pre_ns, NULL, NULL, NULL }, /* Ns */
1.5 schwarze 192: { NULL, pre_ux, NULL, "NetBSD", NULL }, /* Nx */
193: { NULL, pre_ux, NULL, "OpenBSD", NULL }, /* Ox */
1.3 schwarze 194: { NULL, NULL, NULL, NULL, NULL }, /* Pc */
195: { NULL, NULL, post_pf, NULL, NULL }, /* Pf */
196: { cond_body, pre_enc, post_enc, "(", ")" }, /* Po */
197: { cond_body, pre_enc, post_enc, "(", ")" }, /* Pq */
1.6 schwarze 198: { NULL, NULL, NULL, NULL, NULL }, /* Qc */
1.50 schwarze 199: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Ql */
1.6 schwarze 200: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qo */
201: { cond_body, pre_enc, post_enc, "\"", "\"" }, /* Qq */
202: { NULL, NULL, NULL, NULL, NULL }, /* Re */
1.32 schwarze 203: { cond_body, pre_rs, NULL, NULL, NULL }, /* Rs */
1.6 schwarze 204: { NULL, NULL, NULL, NULL, NULL }, /* Sc */
1.50 schwarze 205: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* So */
206: { cond_body, pre_enc, post_enc, "\\(oq", "\\(cq" }, /* Sq */
1.9 schwarze 207: { NULL, pre_sm, NULL, NULL, NULL }, /* Sm */
1.24 schwarze 208: { NULL, pre_em, post_font, NULL, NULL }, /* Sx */
209: { NULL, pre_sy, post_font, NULL, NULL }, /* Sy */
210: { NULL, pre_li, post_font, NULL, NULL }, /* Tn */
1.5 schwarze 211: { NULL, pre_ux, NULL, "UNIX", NULL }, /* Ux */
1.32 schwarze 212: { NULL, NULL, NULL, NULL, NULL }, /* Xc */
213: { NULL, NULL, NULL, NULL, NULL }, /* Xo */
1.14 schwarze 214: { NULL, pre_fo, post_fo, NULL, NULL }, /* Fo */
215: { NULL, NULL, NULL, NULL, NULL }, /* Fc */
1.3 schwarze 216: { cond_body, pre_enc, post_enc, "[", "]" }, /* Oo */
1.6 schwarze 217: { NULL, NULL, NULL, NULL, NULL }, /* Oc */
1.10 schwarze 218: { NULL, pre_bk, post_bk, NULL, NULL }, /* Bk */
219: { NULL, NULL, NULL, NULL, NULL }, /* Ek */
1.5 schwarze 220: { NULL, pre_ux, NULL, "is currently in beta test.", NULL }, /* Bt */
221: { NULL, NULL, NULL, NULL, NULL }, /* Hf */
222: { NULL, NULL, NULL, NULL, NULL }, /* Fr */
223: { NULL, pre_ux, NULL, "currently under development.", NULL }, /* Ud */
1.11 schwarze 224: { NULL, NULL, post_lb, NULL, NULL }, /* Lb */
1.3 schwarze 225: { NULL, pre_pp, NULL, NULL, NULL }, /* Lp */
1.22 schwarze 226: { NULL, pre_lk, NULL, NULL, NULL }, /* Lk */
1.24 schwarze 227: { NULL, pre_em, post_font, NULL, NULL }, /* Mt */
1.6 schwarze 228: { cond_body, pre_enc, post_enc, "{", "}" }, /* Brq */
229: { cond_body, pre_enc, post_enc, "{", "}" }, /* Bro */
230: { NULL, NULL, NULL, NULL, NULL }, /* Brc */
1.32 schwarze 231: { NULL, NULL, post_percent, NULL, NULL }, /* %C */
1.27 schwarze 232: { NULL, NULL, NULL, NULL, NULL }, /* Es */
233: { NULL, NULL, NULL, NULL, NULL }, /* En */
1.5 schwarze 234: { NULL, pre_ux, NULL, "DragonFly", NULL }, /* Dx */
1.32 schwarze 235: { NULL, NULL, post_percent, NULL, NULL }, /* %Q */
1.3 schwarze 236: { NULL, pre_br, NULL, NULL, NULL }, /* br */
237: { NULL, pre_sp, post_sp, NULL, NULL }, /* sp */
1.32 schwarze 238: { NULL, NULL, post_percent, NULL, NULL }, /* %U */
239: { NULL, NULL, NULL, NULL, NULL }, /* Ta */
1.3 schwarze 240: { NULL, NULL, NULL, NULL, NULL }, /* ROOT */
1.1 schwarze 241: };
242:
1.18 schwarze 243: static int outflags;
1.34 schwarze 244: #define MMAN_spc (1 << 0) /* blank character before next word */
245: #define MMAN_spc_force (1 << 1) /* even before trailing punctuation */
246: #define MMAN_nl (1 << 2) /* break man(7) code line */
247: #define MMAN_br (1 << 3) /* break output line */
248: #define MMAN_sp (1 << 4) /* insert a blank output line */
249: #define MMAN_PP (1 << 5) /* reset indentation etc. */
250: #define MMAN_Sm (1 << 6) /* horizontal spacing mode */
251: #define MMAN_Bk (1 << 7) /* word keep mode */
1.45 schwarze 252: #define MMAN_Bk_susp (1 << 8) /* suspend this (after a macro) */
253: #define MMAN_An_split (1 << 9) /* author mode is "split" */
254: #define MMAN_An_nosplit (1 << 10) /* author mode is "nosplit" */
255: #define MMAN_PD (1 << 11) /* inter-paragraph spacing disabled */
1.55 schwarze 256: #define MMAN_nbrword (1 << 12) /* do not break the next word */
1.18 schwarze 257:
1.43 schwarze 258: #define BL_STACK_MAX 32
259:
260: static size_t Bl_stack[BL_STACK_MAX]; /* offsets [chars] */
261: static int Bl_stack_post[BL_STACK_MAX]; /* add final .RE */
262: static int Bl_stack_len; /* number of nested Bl blocks */
1.35 schwarze 263: static int TPremain; /* characters before tag is full */
264:
1.24 schwarze 265: static struct {
266: char *head;
267: char *tail;
268: size_t size;
269: } fontqueue;
270:
271: static void
272: font_push(char newfont)
273: {
274:
275: if (fontqueue.head + fontqueue.size <= ++fontqueue.tail) {
276: fontqueue.size += 8;
277: fontqueue.head = mandoc_realloc(fontqueue.head,
278: fontqueue.size);
279: }
280: *fontqueue.tail = newfont;
1.35 schwarze 281: print_word("");
282: printf("\\f");
1.24 schwarze 283: putchar(newfont);
284: outflags &= ~MMAN_spc;
285: }
286:
287: static void
288: font_pop(void)
289: {
290:
291: if (fontqueue.tail > fontqueue.head)
292: fontqueue.tail--;
293: outflags &= ~MMAN_spc;
1.35 schwarze 294: print_word("");
295: printf("\\f");
1.24 schwarze 296: putchar(*fontqueue.tail);
297: }
298:
1.1 schwarze 299: static void
1.18 schwarze 300: print_word(const char *s)
1.1 schwarze 301: {
1.4 schwarze 302:
1.34 schwarze 303: if ((MMAN_PP | MMAN_sp | MMAN_br | MMAN_nl) & outflags) {
1.4 schwarze 304: /*
305: * If we need a newline, print it now and start afresh.
306: */
1.34 schwarze 307: if (MMAN_PP & outflags) {
1.44 schwarze 308: if (MMAN_sp & outflags) {
309: if (MMAN_PD & outflags) {
310: printf("\n.PD");
311: outflags &= ~MMAN_PD;
312: }
313: } else if ( ! (MMAN_PD & outflags)) {
314: printf("\n.PD 0");
315: outflags |= MMAN_PD;
316: }
1.34 schwarze 317: printf("\n.PP\n");
318: } else if (MMAN_sp & outflags)
1.19 schwarze 319: printf("\n.sp\n");
320: else if (MMAN_br & outflags)
321: printf("\n.br\n");
322: else if (MMAN_nl & outflags)
323: putchar('\n');
1.34 schwarze 324: outflags &= ~(MMAN_PP|MMAN_sp|MMAN_br|MMAN_nl|MMAN_spc);
1.35 schwarze 325: if (1 == TPremain)
326: printf(".br\n");
327: TPremain = 0;
328: } else if (MMAN_spc & outflags) {
1.4 schwarze 329: /*
1.23 schwarze 330: * If we need a space, only print it if
331: * (1) it is forced by `No' or
332: * (2) what follows is not terminating punctuation or
333: * (3) what follows is longer than one character.
1.4 schwarze 334: */
1.35 schwarze 335: if (MMAN_spc_force & outflags || '\0' == s[0] ||
1.23 schwarze 336: NULL == strchr(".,:;)]?!", s[0]) || '\0' != s[1]) {
1.45 schwarze 337: if (MMAN_Bk & outflags &&
338: ! (MMAN_Bk_susp & outflags))
1.10 schwarze 339: putchar('\\');
1.39 millert 340: putchar(' ');
1.35 schwarze 341: if (TPremain)
342: TPremain--;
1.10 schwarze 343: }
1.35 schwarze 344: }
1.4 schwarze 345:
346: /*
347: * Reassign needing space if we're not following opening
348: * punctuation.
349: */
1.35 schwarze 350: if (MMAN_Sm & outflags && ('\0' == s[0] ||
351: (('(' != s[0] && '[' != s[0]) || '\0' != s[1])))
1.18 schwarze 352: outflags |= MMAN_spc;
353: else
354: outflags &= ~MMAN_spc;
1.45 schwarze 355: outflags &= ~(MMAN_spc_force | MMAN_Bk_susp);
1.4 schwarze 356:
1.1 schwarze 357: for ( ; *s; s++) {
358: switch (*s) {
359: case (ASCII_NBRSP):
1.39 millert 360: printf("\\ ");
1.1 schwarze 361: break;
362: case (ASCII_HYPH):
363: putchar('-');
1.57 schwarze 364: break;
365: case (ASCII_BREAK):
366: printf("\\:");
1.1 schwarze 367: break;
1.55 schwarze 368: case (' '):
369: if (MMAN_nbrword & outflags) {
370: printf("\\ ");
371: break;
372: }
373: /* FALLTHROUGH */
1.1 schwarze 374: default:
1.4 schwarze 375: putchar((unsigned char)*s);
1.1 schwarze 376: break;
377: }
1.35 schwarze 378: if (TPremain)
379: TPremain--;
1.1 schwarze 380: }
1.55 schwarze 381: outflags &= ~MMAN_nbrword;
1.1 schwarze 382: }
383:
1.8 schwarze 384: static void
1.34 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) {
1.34 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: }
1.45 schwarze 405: } else if (! (MMAN_PD & outflags))
406: print_line(".PD 0", MMAN_PD);
1.34 schwarze 407: outflags |= MMAN_nl;
408: print_word(s);
1.45 schwarze 409: outflags |= MMAN_Bk_susp | newflags;
1.34 schwarze 410: }
411:
412: static void
1.18 schwarze 413: print_offs(const char *v)
1.8 schwarze 414: {
415: char buf[24];
416: struct roffsu su;
417: size_t sz;
418:
1.47 schwarze 419: print_line(".RS", MMAN_Bk_susp);
420:
1.43 schwarze 421: /* Convert v into a number (of characters). */
1.8 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);
1.47 schwarze 440: outflags |= MMAN_nl;
1.43 schwarze 441: return;
442: }
1.8 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:
1.52 schwarze 453: snprintf(buf, sizeof(buf), "%zun", sz);
1.18 schwarze 454: print_word(buf);
1.47 schwarze 455: outflags |= MMAN_nl;
1.8 schwarze 456: }
457:
1.46 schwarze 458: /*
459: * Set up the indentation for a list item; used from pre_it().
460: */
1.59 ! schwarze 461: static void
1.33 schwarze 462: print_width(const char *v, const struct mdoc_node *child, size_t defsz)
1.28 schwarze 463: {
464: char buf[24];
465: struct roffsu su;
1.29 schwarze 466: size_t sz, chsz;
1.35 schwarze 467: int numeric, remain;
1.29 schwarze 468:
1.35 schwarze 469: numeric = 1;
470: remain = 0;
1.43 schwarze 471:
472: /* Convert v into a number (of characters). */
1.33 schwarze 473: if (NULL == v)
474: sz = defsz;
475: else if (a2roffsu(v, &su, SCALE_MAX)) {
1.28 schwarze 476: if (SCALE_EN == su.unit)
477: sz = su.scale;
478: else {
1.35 schwarze 479: sz = 0;
480: numeric = 0;
1.28 schwarze 481: }
482: } else
483: sz = strlen(v);
484:
1.35 schwarze 485: /* XXX Rough estimation, might have multiple parts. */
486: chsz = (NULL != child && MDOC_TEXT == child->type) ?
487: strlen(child->string) : 0;
488:
1.46 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. */
1.35 schwarze 499: if (defsz && chsz > sz)
1.34 schwarze 500: print_block(".HP", 0);
1.35 schwarze 501: else {
1.34 schwarze 502: print_block(".TP", 0);
1.35 schwarze 503: remain = sz + 2;
504: }
505: if (numeric) {
1.52 schwarze 506: snprintf(buf, sizeof(buf), "%zun", sz + 2);
1.35 schwarze 507: print_word(buf);
508: } else
509: print_word(v);
510: TPremain = remain;
1.28 schwarze 511: }
512:
1.59 ! schwarze 513: static void
1.28 schwarze 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 schwarze 523: man_man(void *arg, const struct man *man)
524: {
525:
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: */
531: fputs(mparse_getkeep(man_mparse(man)), stdout);
532: fflush(stdout);
533: }
534:
535: void
1.1 schwarze 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:
1.41 millert 544: printf(".TH \"%s\" \"%s\" \"%s\" \"%s\" \"%s\"\n",
1.42 schwarze 545: meta->title, meta->msec, meta->date,
546: meta->os, meta->vol);
1.41 millert 547:
548: /* Disable hyphenation and if nroff, disable justification. */
549: printf(".nh\n.if n .ad l");
1.1 schwarze 550:
1.18 schwarze 551: outflags = MMAN_nl | MMAN_Sm;
1.24 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: {
1.51 schwarze 564: const struct mdoc_node *sub;
1.4 schwarze 565: const struct manact *act;
1.1 schwarze 566: int cond, do_sub;
1.45 schwarze 567:
1.4 schwarze 568: /*
569: * Break the line if we were parsed subsequent the current node.
570: * This makes the page structure be more consistent.
571: */
1.51 schwarze 572: if (MMAN_spc & outflags && MDOC_LINE & n->flags)
1.18 schwarze 573: outflags |= MMAN_nl;
1.1 schwarze 574:
1.4 schwarze 575: act = NULL;
1.1 schwarze 576: cond = 0;
577: do_sub = 1;
1.4 schwarze 578:
1.1 schwarze 579: if (MDOC_TEXT == n->type) {
1.4 schwarze 580: /*
581: * Make sure that we don't happen to start with a
582: * control character at the start of a line.
583: */
1.18 schwarze 584: if (MMAN_nl & outflags && ('.' == *n->string ||
1.4 schwarze 585: '\'' == *n->string)) {
1.35 schwarze 586: print_word("");
587: printf("\\&");
1.18 schwarze 588: outflags &= ~MMAN_spc;
1.3 schwarze 589: }
1.18 schwarze 590: print_word(n->string);
1.1 schwarze 591: } else {
1.4 schwarze 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);
1.58 schwarze 598: if (cond && act->pre && ENDBODY_NOT == n->end)
1.42 schwarze 599: do_sub = (*act->pre)(meta, n);
1.1 schwarze 600: }
601:
1.4 schwarze 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:
1.4 schwarze 611: /*
612: * Lastly, conditionally run the post-node handler.
613: */
1.58 schwarze 614: if (MDOC_ENDED & n->flags)
615: return;
616:
1.1 schwarze 617: if (cond && act->post)
1.42 schwarze 618: (*act->post)(meta, n);
1.58 schwarze 619:
620: if (ENDBODY_NOT != n->end)
621: n->pending->flags |= MDOC_ENDED;
622:
623: if (ENDBODY_NOSPACE == n->end)
624: outflags &= ~(MMAN_spc | MMAN_nl);
1.1 schwarze 625: }
626:
627: static int
628: cond_head(DECL_ARGS)
629: {
1.4 schwarze 630:
1.1 schwarze 631: return(MDOC_HEAD == n->type);
632: }
633:
634: static int
635: cond_body(DECL_ARGS)
636: {
1.4 schwarze 637:
1.1 schwarze 638: return(MDOC_BODY == n->type);
639: }
640:
641: static int
642: pre_enc(DECL_ARGS)
643: {
1.4 schwarze 644: const char *prefix;
1.1 schwarze 645:
646: prefix = manacts[n->tok].prefix;
647: if (NULL == prefix)
648: return(1);
1.18 schwarze 649: print_word(prefix);
650: outflags &= ~MMAN_spc;
1.1 schwarze 651: return(1);
652: }
653:
654: static void
655: post_enc(DECL_ARGS)
656: {
657: const char *suffix;
658:
659: suffix = manacts[n->tok].suffix;
660: if (NULL == suffix)
661: return;
1.58 schwarze 662: outflags &= ~(MMAN_spc | MMAN_nl);
1.18 schwarze 663: print_word(suffix);
1.24 schwarze 664: }
665:
666: static void
667: post_font(DECL_ARGS)
668: {
669:
670: font_pop();
1.1 schwarze 671: }
672:
673: static void
674: post_percent(DECL_ARGS)
675: {
676:
1.32 schwarze 677: if (pre_em == manacts[n->tok].pre)
678: font_pop();
679: if (n->next) {
1.18 schwarze 680: print_word(",");
1.32 schwarze 681: if (n->prev && n->prev->tok == n->tok &&
682: n->next->tok == n->tok)
683: print_word("and");
684: } else {
1.18 schwarze 685: print_word(".");
686: outflags |= MMAN_nl;
1.1 schwarze 687: }
688: }
689:
1.32 schwarze 690: static int
691: pre__t(DECL_ARGS)
692: {
693:
694: if (n->parent && MDOC_Rs == n->parent->tok &&
695: n->parent->norm->Rs.quote_T) {
1.35 schwarze 696: print_word("");
697: putchar('\"');
1.32 schwarze 698: outflags &= ~MMAN_spc;
699: } else
700: font_push('I');
701: return(1);
702: }
703:
704: static void
705: post__t(DECL_ARGS)
706: {
707:
708: if (n->parent && MDOC_Rs == n->parent->tok &&
709: n->parent->norm->Rs.quote_T) {
710: outflags &= ~MMAN_spc;
1.35 schwarze 711: print_word("");
712: putchar('\"');
1.32 schwarze 713: } else
714: font_pop();
1.42 schwarze 715: post_percent(meta, n);
1.32 schwarze 716: }
717:
1.4 schwarze 718: /*
719: * Print before a section header.
720: */
1.1 schwarze 721: static int
1.3 schwarze 722: pre_sect(DECL_ARGS)
723: {
724:
1.53 schwarze 725: if (MDOC_HEAD == n->type) {
1.45 schwarze 726: outflags |= MMAN_sp;
727: print_block(manacts[n->tok].prefix, 0);
728: print_word("");
729: putchar('\"');
730: outflags &= ~MMAN_spc;
731: }
1.3 schwarze 732: return(1);
733: }
734:
1.4 schwarze 735: /*
736: * Print subsequent a section header.
737: */
1.3 schwarze 738: static void
739: post_sect(DECL_ARGS)
740: {
741:
742: if (MDOC_HEAD != n->type)
743: return;
1.18 schwarze 744: outflags &= ~MMAN_spc;
1.35 schwarze 745: print_word("");
746: putchar('\"');
1.18 schwarze 747: outflags |= MMAN_nl;
1.20 schwarze 748: if (MDOC_Sh == n->tok && SEC_AUTHORS == n->sec)
749: outflags &= ~(MMAN_An_split | MMAN_An_nosplit);
750: }
751:
1.21 schwarze 752: /* See mdoc_term.c, synopsis_pre() for comments. */
753: static void
754: pre_syn(const struct mdoc_node *n)
755: {
756:
757: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
758: return;
759:
760: if (n->prev->tok == n->tok &&
761: MDOC_Ft != n->tok &&
762: MDOC_Fo != n->tok &&
763: MDOC_Fn != n->tok) {
764: outflags |= MMAN_br;
765: return;
766: }
767:
768: switch (n->prev->tok) {
769: case (MDOC_Fd):
770: /* FALLTHROUGH */
771: case (MDOC_Fn):
772: /* FALLTHROUGH */
773: case (MDOC_Fo):
774: /* FALLTHROUGH */
775: case (MDOC_In):
776: /* FALLTHROUGH */
777: case (MDOC_Vt):
778: outflags |= MMAN_sp;
779: break;
780: case (MDOC_Ft):
781: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
782: outflags |= MMAN_sp;
783: break;
784: }
785: /* FALLTHROUGH */
786: default:
787: outflags |= MMAN_br;
788: break;
789: }
790: }
791:
1.20 schwarze 792: static int
793: pre_an(DECL_ARGS)
794: {
795:
796: switch (n->norm->An.auth) {
797: case (AUTH_split):
798: outflags &= ~MMAN_An_nosplit;
799: outflags |= MMAN_An_split;
800: return(0);
801: case (AUTH_nosplit):
802: outflags &= ~MMAN_An_split;
803: outflags |= MMAN_An_nosplit;
804: return(0);
805: default:
806: if (MMAN_An_split & outflags)
807: outflags |= MMAN_br;
808: else if (SEC_AUTHORS == n->sec &&
809: ! (MMAN_An_nosplit & outflags))
810: outflags |= MMAN_An_split;
811: return(1);
812: }
1.3 schwarze 813: }
814:
815: static int
816: pre_ap(DECL_ARGS)
817: {
818:
1.18 schwarze 819: outflags &= ~MMAN_spc;
820: print_word("'");
821: outflags &= ~MMAN_spc;
1.3 schwarze 822: return(0);
823: }
824:
825: static int
826: pre_bd(DECL_ARGS)
827: {
828:
1.34 schwarze 829: outflags &= ~(MMAN_PP | MMAN_sp | MMAN_br);
830:
831: if (DISP_unfilled == n->norm->Bd.type ||
832: DISP_literal == n->norm->Bd.type)
833: print_line(".nf", 0);
834: if (0 == n->norm->Bd.comp && NULL != n->parent->prev)
1.19 schwarze 835: outflags |= MMAN_sp;
1.18 schwarze 836: print_offs(n->norm->Bd.offs);
1.3 schwarze 837: return(1);
838: }
839:
840: static void
841: post_bd(DECL_ARGS)
842: {
843:
1.43 schwarze 844: /* Close out this display. */
1.34 schwarze 845: print_line(".RE", MMAN_nl);
1.3 schwarze 846: if (DISP_unfilled == n->norm->Bd.type ||
1.34 schwarze 847: DISP_literal == n->norm->Bd.type)
848: print_line(".fi", MMAN_nl);
1.43 schwarze 849:
1.46 schwarze 850: /* Maybe we are inside an enclosing list? */
851: if (NULL != n->parent->next)
852: mid_it();
1.10 schwarze 853: }
854:
855: static int
1.25 schwarze 856: pre_bf(DECL_ARGS)
857: {
858:
859: switch (n->type) {
860: case (MDOC_BLOCK):
861: return(1);
862: case (MDOC_BODY):
863: break;
864: default:
865: return(0);
866: }
867: switch (n->norm->Bf.font) {
868: case (FONT_Em):
869: font_push('I');
870: break;
871: case (FONT_Sy):
872: font_push('B');
873: break;
874: default:
875: font_push('R');
876: break;
877: }
878: return(1);
879: }
880:
881: static void
882: post_bf(DECL_ARGS)
883: {
884:
885: if (MDOC_BODY == n->type)
886: font_pop();
887: }
888:
889: static int
1.10 schwarze 890: pre_bk(DECL_ARGS)
891: {
892:
893: switch (n->type) {
894: case (MDOC_BLOCK):
895: return(1);
896: case (MDOC_BODY):
1.18 schwarze 897: outflags |= MMAN_Bk;
1.10 schwarze 898: return(1);
899: default:
900: return(0);
901: }
902: }
903:
904: static void
905: post_bk(DECL_ARGS)
906: {
907:
1.53 schwarze 908: if (MDOC_BODY == n->type)
1.18 schwarze 909: outflags &= ~MMAN_Bk;
1.3 schwarze 910: }
911:
912: static int
1.28 schwarze 913: pre_bl(DECL_ARGS)
914: {
1.31 schwarze 915: size_t icol;
1.28 schwarze 916:
1.48 schwarze 917: /*
918: * print_offs() will increase the -offset to account for
919: * a possible enclosing .It, but any enclosed .It blocks
920: * just nest and do not add up their indentation.
921: */
922: if (n->norm->Bl.offs) {
923: print_offs(n->norm->Bl.offs);
924: Bl_stack[Bl_stack_len++] = 0;
925: }
926:
1.31 schwarze 927: switch (n->norm->Bl.type) {
928: case (LIST_enum):
1.28 schwarze 929: n->norm->Bl.count = 0;
1.31 schwarze 930: return(1);
931: case (LIST_column):
932: break;
933: default:
934: return(1);
935: }
936:
1.34 schwarze 937: print_line(".TS", MMAN_nl);
1.31 schwarze 938: for (icol = 0; icol < n->norm->Bl.ncols; icol++)
939: print_word("l");
940: print_word(".");
1.34 schwarze 941: outflags |= MMAN_nl;
1.28 schwarze 942: return(1);
943: }
944:
945: static void
946: post_bl(DECL_ARGS)
947: {
948:
1.31 schwarze 949: switch (n->norm->Bl.type) {
1.34 schwarze 950: case (LIST_column):
951: print_line(".TE", 0);
952: break;
1.31 schwarze 953: case (LIST_enum):
954: n->norm->Bl.count = 0;
955: break;
956: default:
957: break;
958: }
1.48 schwarze 959:
960: if (n->norm->Bl.offs) {
961: print_line(".RE", MMAN_nl);
962: assert(Bl_stack_len);
963: Bl_stack_len--;
964: assert(0 == Bl_stack[Bl_stack_len]);
965: } else {
966: outflags |= MMAN_PP | MMAN_nl;
967: outflags &= ~(MMAN_sp | MMAN_br);
968: }
1.46 schwarze 969:
970: /* Maybe we are inside an enclosing list? */
971: if (NULL != n->parent->next)
972: mid_it();
973:
1.28 schwarze 974: }
975:
976: static int
1.3 schwarze 977: pre_br(DECL_ARGS)
978: {
979:
1.19 schwarze 980: outflags |= MMAN_br;
1.3 schwarze 981: return(0);
982: }
983:
984: static int
1.5 schwarze 985: pre_bx(DECL_ARGS)
986: {
987:
988: n = n->child;
989: if (n) {
1.18 schwarze 990: print_word(n->string);
991: outflags &= ~MMAN_spc;
1.5 schwarze 992: n = n->next;
993: }
1.18 schwarze 994: print_word("BSD");
1.5 schwarze 995: if (NULL == n)
996: return(0);
1.18 schwarze 997: outflags &= ~MMAN_spc;
998: print_word("-");
999: outflags &= ~MMAN_spc;
1000: print_word(n->string);
1.5 schwarze 1001: return(0);
1002: }
1003:
1004: static int
1.1 schwarze 1005: pre_dl(DECL_ARGS)
1006: {
1007:
1.46 schwarze 1008: print_offs("6n");
1.1 schwarze 1009: return(1);
1010: }
1011:
1012: static void
1013: post_dl(DECL_ARGS)
1014: {
1015:
1.34 schwarze 1016: print_line(".RE", MMAN_nl);
1.46 schwarze 1017:
1018: /* Maybe we are inside an enclosing list? */
1019: if (NULL != n->parent->next)
1020: mid_it();
1.13 schwarze 1021: }
1022:
1023: static int
1.24 schwarze 1024: pre_em(DECL_ARGS)
1025: {
1026:
1027: font_push('I');
1028: return(1);
1.26 schwarze 1029: }
1030:
1031: static void
1032: post_eo(DECL_ARGS)
1033: {
1034:
1035: if (MDOC_HEAD == n->type || MDOC_BODY == n->type)
1036: outflags &= ~MMAN_spc;
1.24 schwarze 1037: }
1038:
1039: static int
1.14 schwarze 1040: pre_fa(DECL_ARGS)
1041: {
1.56 schwarze 1042: int am_Fa;
1.14 schwarze 1043:
1.56 schwarze 1044: am_Fa = MDOC_Fa == n->tok;
1045:
1046: if (am_Fa)
1.14 schwarze 1047: n = n->child;
1048:
1049: while (NULL != n) {
1.24 schwarze 1050: font_push('I');
1.56 schwarze 1051: if (am_Fa || MDOC_SYNPRETTY & n->flags)
1.55 schwarze 1052: outflags |= MMAN_nbrword;
1.42 schwarze 1053: print_node(meta, n);
1.24 schwarze 1054: font_pop();
1.14 schwarze 1055: if (NULL != (n = n->next))
1.18 schwarze 1056: print_word(",");
1.14 schwarze 1057: }
1058: return(0);
1059: }
1060:
1061: static void
1062: post_fa(DECL_ARGS)
1063: {
1064:
1065: if (NULL != n->next && MDOC_Fa == n->next->tok)
1.18 schwarze 1066: print_word(",");
1.27 schwarze 1067: }
1068:
1069: static int
1070: pre_fd(DECL_ARGS)
1071: {
1072:
1073: pre_syn(n);
1074: font_push('B');
1075: return(1);
1076: }
1077:
1078: static void
1079: post_fd(DECL_ARGS)
1080: {
1081:
1082: font_pop();
1083: outflags |= MMAN_br;
1.14 schwarze 1084: }
1085:
1086: static int
1.24 schwarze 1087: pre_fl(DECL_ARGS)
1088: {
1089:
1090: font_push('B');
1.40 millert 1091: print_word("\\-");
1.24 schwarze 1092: outflags &= ~MMAN_spc;
1093: return(1);
1094: }
1095:
1096: static void
1097: post_fl(DECL_ARGS)
1098: {
1099:
1100: font_pop();
1.25 schwarze 1101: if (0 == n->nchild && NULL != n->next &&
1102: n->next->line == n->line)
1.24 schwarze 1103: outflags &= ~MMAN_spc;
1104: }
1105:
1106: static int
1.13 schwarze 1107: pre_fn(DECL_ARGS)
1108: {
1109:
1.21 schwarze 1110: pre_syn(n);
1111:
1.13 schwarze 1112: n = n->child;
1113: if (NULL == n)
1114: return(0);
1115:
1.54 schwarze 1116: if (MDOC_SYNPRETTY & n->flags)
1117: print_block(".HP 4n", MMAN_nl);
1118:
1.24 schwarze 1119: font_push('B');
1.42 schwarze 1120: print_node(meta, n);
1.24 schwarze 1121: font_pop();
1.18 schwarze 1122: outflags &= ~MMAN_spc;
1.24 schwarze 1123: print_word("(");
1.18 schwarze 1124: outflags &= ~MMAN_spc;
1.33 schwarze 1125:
1126: n = n->next;
1127: if (NULL != n)
1.42 schwarze 1128: pre_fa(meta, n);
1.33 schwarze 1129: return(0);
1.13 schwarze 1130: }
1131:
1132: static void
1133: post_fn(DECL_ARGS)
1134: {
1135:
1.18 schwarze 1136: print_word(")");
1.13 schwarze 1137: if (MDOC_SYNPRETTY & n->flags) {
1.18 schwarze 1138: print_word(";");
1.54 schwarze 1139: outflags |= MMAN_PP;
1.14 schwarze 1140: }
1141: }
1142:
1143: static int
1144: pre_fo(DECL_ARGS)
1145: {
1146:
1147: switch (n->type) {
1.21 schwarze 1148: case (MDOC_BLOCK):
1149: pre_syn(n);
1150: break;
1.14 schwarze 1151: case (MDOC_HEAD):
1.56 schwarze 1152: if (MDOC_SYNPRETTY & n->flags)
1153: print_block(".HP 4n", MMAN_nl);
1.24 schwarze 1154: font_push('B');
1.14 schwarze 1155: break;
1156: case (MDOC_BODY):
1.18 schwarze 1157: outflags &= ~MMAN_spc;
1158: print_word("(");
1159: outflags &= ~MMAN_spc;
1.14 schwarze 1160: break;
1161: default:
1162: break;
1163: }
1164: return(1);
1165: }
1.56 schwarze 1166:
1.14 schwarze 1167: static void
1168: post_fo(DECL_ARGS)
1169: {
1170:
1171: switch (n->type) {
1172: case (MDOC_HEAD):
1.24 schwarze 1173: font_pop();
1.14 schwarze 1174: break;
1175: case (MDOC_BODY):
1.42 schwarze 1176: post_fn(meta, n);
1.14 schwarze 1177: break;
1178: default:
1179: break;
1.13 schwarze 1180: }
1.12 schwarze 1181: }
1182:
1183: static int
1.21 schwarze 1184: pre_ft(DECL_ARGS)
1185: {
1186:
1187: pre_syn(n);
1.24 schwarze 1188: font_push('I');
1.21 schwarze 1189: return(1);
1190: }
1191:
1192: static int
1.12 schwarze 1193: pre_in(DECL_ARGS)
1194: {
1195:
1196: if (MDOC_SYNPRETTY & n->flags) {
1.21 schwarze 1197: pre_syn(n);
1.24 schwarze 1198: font_push('B');
1199: print_word("#include <");
1200: outflags &= ~MMAN_spc;
1201: } else {
1202: print_word("<");
1203: outflags &= ~MMAN_spc;
1204: font_push('I');
1205: }
1.12 schwarze 1206: return(1);
1207: }
1208:
1209: static void
1210: post_in(DECL_ARGS)
1211: {
1212:
1213: if (MDOC_SYNPRETTY & n->flags) {
1.24 schwarze 1214: outflags &= ~MMAN_spc;
1215: print_word(">");
1216: font_pop();
1.19 schwarze 1217: outflags |= MMAN_br;
1.24 schwarze 1218: } else {
1219: font_pop();
1220: outflags &= ~MMAN_spc;
1221: print_word(">");
1222: }
1.1 schwarze 1223: }
1224:
1225: static int
1226: pre_it(DECL_ARGS)
1227: {
1228: const struct mdoc_node *bln;
1229:
1.28 schwarze 1230: switch (n->type) {
1231: case (MDOC_HEAD):
1.34 schwarze 1232: outflags |= MMAN_PP | MMAN_nl;
1.28 schwarze 1233: bln = n->parent->parent;
1.34 schwarze 1234: if (0 == bln->norm->Bl.comp ||
1.37 schwarze 1235: (NULL == n->parent->prev &&
1236: NULL == bln->parent->prev))
1.34 schwarze 1237: outflags |= MMAN_sp;
1238: outflags &= ~MMAN_br;
1.3 schwarze 1239: switch (bln->norm->Bl.type) {
1.28 schwarze 1240: case (LIST_item):
1241: return(0);
1242: case (LIST_inset):
1243: /* FALLTHROUGH */
1244: case (LIST_diag):
1245: /* FALLTHROUGH */
1246: case (LIST_ohang):
1247: if (bln->norm->Bl.type == LIST_diag)
1.34 schwarze 1248: print_line(".B \"", 0);
1.28 schwarze 1249: else
1.34 schwarze 1250: print_line(".R \"", 0);
1.28 schwarze 1251: outflags &= ~MMAN_spc;
1252: return(1);
1.3 schwarze 1253: case (LIST_bullet):
1.28 schwarze 1254: /* FALLTHROUGH */
1255: case (LIST_dash):
1256: /* FALLTHROUGH */
1257: case (LIST_hyphen):
1.33 schwarze 1258: print_width(bln->norm->Bl.width, NULL, 0);
1.35 schwarze 1259: TPremain = 0;
1.28 schwarze 1260: outflags |= MMAN_nl;
1261: font_push('B');
1262: if (LIST_bullet == bln->norm->Bl.type)
1263: print_word("o");
1264: else
1265: print_word("-");
1266: font_pop();
1267: break;
1268: case (LIST_enum):
1.33 schwarze 1269: print_width(bln->norm->Bl.width, NULL, 0);
1.35 schwarze 1270: TPremain = 0;
1.28 schwarze 1271: outflags |= MMAN_nl;
1272: print_count(&bln->norm->Bl.count);
1.3 schwarze 1273: break;
1.29 schwarze 1274: case (LIST_hang):
1.33 schwarze 1275: print_width(bln->norm->Bl.width, n->child, 6);
1.35 schwarze 1276: TPremain = 0;
1.30 schwarze 1277: break;
1278: case (LIST_tag):
1.35 schwarze 1279: print_width(bln->norm->Bl.width, n->child, 0);
1280: putchar('\n');
1281: outflags &= ~MMAN_spc;
1282: return(1);
1.3 schwarze 1283: default:
1.30 schwarze 1284: return(1);
1.3 schwarze 1285: }
1.18 schwarze 1286: outflags |= MMAN_nl;
1.28 schwarze 1287: default:
1288: break;
1.1 schwarze 1289: }
1290: return(1);
1.28 schwarze 1291: }
1292:
1.46 schwarze 1293: /*
1294: * This function is called after closing out an indented block.
1295: * If we are inside an enclosing list, restore its indentation.
1296: */
1297: static void
1298: mid_it(void)
1299: {
1300: char buf[24];
1301:
1302: /* Nothing to do outside a list. */
1303: if (0 == Bl_stack_len || 0 == Bl_stack[Bl_stack_len - 1])
1304: return;
1305:
1306: /* The indentation has already been set up. */
1307: if (Bl_stack_post[Bl_stack_len - 1])
1308: return;
1309:
1310: /* Restore the indentation of the enclosing list. */
1311: print_line(".RS", MMAN_Bk_susp);
1.52 schwarze 1312: snprintf(buf, sizeof(buf), "%zun", Bl_stack[Bl_stack_len - 1]);
1.46 schwarze 1313: print_word(buf);
1314:
1315: /* Remeber to close out this .RS block later. */
1316: Bl_stack_post[Bl_stack_len - 1] = 1;
1317: }
1318:
1.28 schwarze 1319: static void
1320: post_it(DECL_ARGS)
1321: {
1322: const struct mdoc_node *bln;
1323:
1.31 schwarze 1324: bln = n->parent->parent;
1325:
1326: switch (n->type) {
1327: case (MDOC_HEAD):
1.28 schwarze 1328: switch (bln->norm->Bl.type) {
1329: case (LIST_diag):
1330: outflags &= ~MMAN_spc;
1331: print_word("\\ ");
1332: break;
1333: case (LIST_ohang):
1334: outflags |= MMAN_br;
1335: break;
1336: default:
1337: break;
1338: }
1.31 schwarze 1339: break;
1340: case (MDOC_BODY):
1.43 schwarze 1341: switch (bln->norm->Bl.type) {
1342: case (LIST_bullet):
1343: /* FALLTHROUGH */
1344: case (LIST_dash):
1345: /* FALLTHROUGH */
1346: case (LIST_hyphen):
1347: /* FALLTHROUGH */
1348: case (LIST_enum):
1349: /* FALLTHROUGH */
1350: case (LIST_hang):
1351: /* FALLTHROUGH */
1352: case (LIST_tag):
1353: assert(Bl_stack_len);
1354: Bl_stack[--Bl_stack_len] = 0;
1355:
1356: /*
1357: * Our indentation had to be restored
1.46 schwarze 1358: * after a child display or child list.
1.43 schwarze 1359: * Close out that indentation block now.
1360: */
1361: if (Bl_stack_post[Bl_stack_len]) {
1362: print_line(".RE", MMAN_nl);
1363: Bl_stack_post[Bl_stack_len] = 0;
1364: }
1365: break;
1366: case (LIST_column):
1367: if (NULL != n->next) {
1368: putchar('\t');
1369: outflags &= ~MMAN_spc;
1370: }
1371: break;
1372: default:
1373: break;
1.31 schwarze 1374: }
1375: break;
1376: default:
1377: break;
1.28 schwarze 1378: }
1.11 schwarze 1379: }
1380:
1381: static void
1382: post_lb(DECL_ARGS)
1383: {
1384:
1.19 schwarze 1385: if (SEC_LIBRARY == n->sec)
1386: outflags |= MMAN_br;
1.22 schwarze 1387: }
1388:
1389: static int
1390: pre_lk(DECL_ARGS)
1391: {
1392: const struct mdoc_node *link, *descr;
1393:
1394: if (NULL == (link = n->child))
1395: return(0);
1396:
1397: if (NULL != (descr = link->next)) {
1.24 schwarze 1398: font_push('I');
1.22 schwarze 1399: while (NULL != descr) {
1400: print_word(descr->string);
1401: descr = descr->next;
1402: }
1403: print_word(":");
1.24 schwarze 1404: font_pop();
1.22 schwarze 1405: }
1406:
1.24 schwarze 1407: font_push('B');
1.22 schwarze 1408: print_word(link->string);
1.24 schwarze 1409: font_pop();
1.22 schwarze 1410: return(0);
1.1 schwarze 1411: }
1412:
1413: static int
1.24 schwarze 1414: pre_li(DECL_ARGS)
1415: {
1416:
1417: font_push('R');
1418: return(1);
1419: }
1420:
1421: static int
1.1 schwarze 1422: pre_nm(DECL_ARGS)
1423: {
1.36 schwarze 1424: char *name;
1.1 schwarze 1425:
1.53 schwarze 1426: if (MDOC_BLOCK == n->type) {
1427: outflags |= MMAN_Bk;
1.21 schwarze 1428: pre_syn(n);
1.53 schwarze 1429: }
1.1 schwarze 1430: if (MDOC_ELEM != n->type && MDOC_HEAD != n->type)
1431: return(1);
1.42 schwarze 1432: name = n->child ? n->child->string : meta->name;
1.36 schwarze 1433: if (NULL == name)
1.21 schwarze 1434: return(0);
1.36 schwarze 1435: if (MDOC_HEAD == n->type) {
1436: if (NULL == n->parent->prev)
1437: outflags |= MMAN_sp;
1438: print_block(".HP", 0);
1.52 schwarze 1439: printf(" %zun", strlen(name) + 1);
1.36 schwarze 1440: outflags |= MMAN_nl;
1441: }
1.24 schwarze 1442: font_push('B');
1.1 schwarze 1443: if (NULL == n->child)
1.42 schwarze 1444: print_word(meta->name);
1.1 schwarze 1445: return(1);
1446: }
1447:
1448: static void
1449: post_nm(DECL_ARGS)
1450: {
1451:
1.53 schwarze 1452: switch (n->type) {
1453: case (MDOC_BLOCK):
1454: outflags &= ~MMAN_Bk;
1455: break;
1456: case (MDOC_HEAD):
1457: /* FALLTHROUGH */
1458: case (MDOC_ELEM):
1459: font_pop();
1460: break;
1461: default:
1462: break;
1463: }
1.23 schwarze 1464: }
1465:
1466: static int
1467: pre_no(DECL_ARGS)
1468: {
1469:
1470: outflags |= MMAN_spc_force;
1471: return(1);
1.1 schwarze 1472: }
1473:
1474: static int
1475: pre_ns(DECL_ARGS)
1476: {
1477:
1.18 schwarze 1478: outflags &= ~MMAN_spc;
1.1 schwarze 1479: return(0);
1480: }
1481:
1.3 schwarze 1482: static void
1483: post_pf(DECL_ARGS)
1484: {
1485:
1.18 schwarze 1486: outflags &= ~MMAN_spc;
1.3 schwarze 1487: }
1488:
1.1 schwarze 1489: static int
1490: pre_pp(DECL_ARGS)
1491: {
1492:
1.34 schwarze 1493: if (MDOC_It != n->parent->tok)
1494: outflags |= MMAN_PP;
1495: outflags |= MMAN_sp | MMAN_nl;
1496: outflags &= ~MMAN_br;
1.32 schwarze 1497: return(0);
1498: }
1499:
1500: static int
1501: pre_rs(DECL_ARGS)
1502: {
1503:
1504: if (SEC_SEE_ALSO == n->sec) {
1.34 schwarze 1505: outflags |= MMAN_PP | MMAN_sp | MMAN_nl;
1506: outflags &= ~MMAN_br;
1.32 schwarze 1507: }
1508: return(1);
1.9 schwarze 1509: }
1510:
1511: static int
1512: pre_sm(DECL_ARGS)
1513: {
1514:
1515: assert(n->child && MDOC_TEXT == n->child->type);
1516: if (0 == strcmp("on", n->child->string))
1.25 schwarze 1517: outflags |= MMAN_Sm | MMAN_spc;
1.9 schwarze 1518: else
1.18 schwarze 1519: outflags &= ~MMAN_Sm;
1.9 schwarze 1520: return(0);
1.1 schwarze 1521: }
1522:
1523: static int
1.3 schwarze 1524: pre_sp(DECL_ARGS)
1.1 schwarze 1525: {
1526:
1.38 schwarze 1527: if (MMAN_PP & outflags) {
1528: outflags &= ~MMAN_PP;
1529: print_line(".PP", 0);
1530: } else
1531: print_line(".sp", 0);
1.1 schwarze 1532: return(1);
1533: }
1534:
1535: static void
1.3 schwarze 1536: post_sp(DECL_ARGS)
1.1 schwarze 1537: {
1538:
1.18 schwarze 1539: outflags |= MMAN_nl;
1.15 schwarze 1540: }
1541:
1542: static int
1.24 schwarze 1543: pre_sy(DECL_ARGS)
1544: {
1545:
1546: font_push('B');
1547: return(1);
1548: }
1549:
1550: static int
1.15 schwarze 1551: pre_vt(DECL_ARGS)
1552: {
1553:
1554: if (MDOC_SYNPRETTY & n->flags) {
1.16 schwarze 1555: switch (n->type) {
1556: case (MDOC_BLOCK):
1.21 schwarze 1557: pre_syn(n);
1.16 schwarze 1558: return(1);
1559: case (MDOC_BODY):
1560: break;
1561: default:
1562: return(0);
1563: }
1.15 schwarze 1564: }
1.24 schwarze 1565: font_push('I');
1.15 schwarze 1566: return(1);
1567: }
1568:
1569: static void
1570: post_vt(DECL_ARGS)
1571: {
1.16 schwarze 1572:
1.17 schwarze 1573: if (MDOC_SYNPRETTY & n->flags && MDOC_BODY != n->type)
1.16 schwarze 1574: return;
1.24 schwarze 1575: font_pop();
1.1 schwarze 1576: }
1577:
1578: static int
1579: pre_xr(DECL_ARGS)
1580: {
1581:
1582: n = n->child;
1583: if (NULL == n)
1584: return(0);
1.42 schwarze 1585: print_node(meta, n);
1.1 schwarze 1586: n = n->next;
1587: if (NULL == n)
1588: return(0);
1.18 schwarze 1589: outflags &= ~MMAN_spc;
1590: print_word("(");
1.42 schwarze 1591: print_node(meta, n);
1.18 schwarze 1592: print_word(")");
1.1 schwarze 1593: return(0);
1.5 schwarze 1594: }
1595:
1596: static int
1597: pre_ux(DECL_ARGS)
1598: {
1599:
1.18 schwarze 1600: print_word(manacts[n->tok].prefix);
1.5 schwarze 1601: if (NULL == n->child)
1602: return(0);
1.18 schwarze 1603: outflags &= ~MMAN_spc;
1.39 millert 1604: print_word("\\ ");
1.18 schwarze 1605: outflags &= ~MMAN_spc;
1.5 schwarze 1606: return(1);
1.1 schwarze 1607: }
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