Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.153
1.153 ! schwarze 1: /* $Id: mdoc_term.c,v 1.152 2013/12/22 23:33:52 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.152 schwarze 4: * Copyright (c) 2010, 2012, 2013 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
18: #include <sys/types.h>
19:
20: #include <assert.h>
21: #include <ctype.h>
1.77 schwarze 22: #include <stdint.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.81 schwarze 27: #include "mandoc.h"
1.61 schwarze 28: #include "out.h"
1.1 kristaps 29: #include "term.h"
30: #include "mdoc.h"
1.61 schwarze 31: #include "main.h"
1.54 schwarze 32:
1.1 kristaps 33: struct termpair {
34: struct termpair *ppair;
1.27 schwarze 35: int count;
1.1 kristaps 36: };
37:
1.29 schwarze 38: #define DECL_ARGS struct termp *p, \
39: struct termpair *pair, \
1.147 schwarze 40: const struct mdoc_meta *meta, \
1.146 schwarze 41: struct mdoc_node *n
1.1 kristaps 42:
43: struct termact {
44: int (*pre)(DECL_ARGS);
45: void (*post)(DECL_ARGS);
46: };
1.29 schwarze 47:
1.89 schwarze 48: static size_t a2width(const struct termp *, const char *);
49: static size_t a2height(const struct termp *, const char *);
50: static size_t a2offs(const struct termp *, const char *);
1.62 schwarze 51:
52: static void print_bvspace(struct termp *,
53: const struct mdoc_node *,
54: const struct mdoc_node *);
1.65 schwarze 55: static void print_mdoc_node(DECL_ARGS);
56: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 57: static void print_mdoc_head(struct termp *, const void *);
58: static void print_mdoc_foot(struct termp *, const void *);
1.86 schwarze 59: static void synopsis_pre(struct termp *,
60: const struct mdoc_node *);
1.62 schwarze 61:
1.29 schwarze 62: static void termp____post(DECL_ARGS);
1.120 schwarze 63: static void termp__t_post(DECL_ARGS);
1.49 schwarze 64: static void termp_an_post(DECL_ARGS);
1.29 schwarze 65: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 66: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 68: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 69: static void termp_fo_post(DECL_ARGS);
70: static void termp_in_post(DECL_ARGS);
71: static void termp_it_post(DECL_ARGS);
72: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 73: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 74: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 75: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 76: static void termp_sh_post(DECL_ARGS);
77: static void termp_ss_post(DECL_ARGS);
78:
1.104 schwarze 79: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 80: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 81: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 82: static int termp_ap_pre(DECL_ARGS);
83: static int termp_bd_pre(DECL_ARGS);
84: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 85: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 86: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 87: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 88: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 89: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_cd_pre(DECL_ARGS);
91: static int termp_d1_pre(DECL_ARGS);
92: static int termp_ex_pre(DECL_ARGS);
93: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 94: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_fl_pre(DECL_ARGS);
96: static int termp_fn_pre(DECL_ARGS);
97: static int termp_fo_pre(DECL_ARGS);
98: static int termp_ft_pre(DECL_ARGS);
1.109 schwarze 99: static int termp_igndelim_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_in_pre(DECL_ARGS);
101: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 102: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 103: static int termp_lk_pre(DECL_ARGS);
104: static int termp_nd_pre(DECL_ARGS);
105: static int termp_nm_pre(DECL_ARGS);
106: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 107: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_rs_pre(DECL_ARGS);
109: static int termp_rv_pre(DECL_ARGS);
110: static int termp_sh_pre(DECL_ARGS);
111: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 112: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 114: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 116: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_xr_pre(DECL_ARGS);
118: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 119:
1.54 schwarze 120: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 121: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 122: { NULL, NULL }, /* Dd */
123: { NULL, NULL }, /* Dt */
124: { NULL, NULL }, /* Os */
125: { termp_sh_pre, termp_sh_post }, /* Sh */
126: { termp_ss_pre, termp_ss_post }, /* Ss */
1.54 schwarze 127: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 128: { termp_d1_pre, termp_bl_post }, /* D1 */
129: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 130: { termp_bd_pre, termp_bd_post }, /* Bd */
131: { NULL, NULL }, /* Ed */
1.73 schwarze 132: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 133: { NULL, NULL }, /* El */
134: { termp_it_pre, termp_it_post }, /* It */
1.99 schwarze 135: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 136: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 137: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 138: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 139: { termp_bold_pre, NULL }, /* Cm */
1.1 kristaps 140: { NULL, NULL }, /* Dv */
141: { NULL, NULL }, /* Er */
142: { NULL, NULL }, /* Ev */
143: { termp_ex_pre, NULL }, /* Ex */
144: { termp_fa_pre, NULL }, /* Fa */
1.143 schwarze 145: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 146: { termp_fl_pre, NULL }, /* Fl */
1.86 schwarze 147: { termp_fn_pre, NULL }, /* Fn */
1.85 schwarze 148: { termp_ft_pre, NULL }, /* Ft */
1.54 schwarze 149: { termp_bold_pre, NULL }, /* Ic */
1.1 kristaps 150: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 151: { termp_li_pre, NULL }, /* Li */
1.1 kristaps 152: { termp_nd_pre, NULL }, /* Nd */
1.94 schwarze 153: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 154: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 155: { NULL, NULL }, /* Ot */
1.54 schwarze 156: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 157: { termp_rv_pre, NULL }, /* Rv */
1.32 schwarze 158: { NULL, NULL }, /* St */
1.54 schwarze 159: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 160: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 161: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 162: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 163: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 164: { NULL, termp____post }, /* %D */
1.58 schwarze 165: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 166: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 167: { NULL, termp____post }, /* %N */
168: { NULL, termp____post }, /* %O */
169: { NULL, termp____post }, /* %P */
170: { NULL, termp____post }, /* %R */
1.120 schwarze 171: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 172: { NULL, termp____post }, /* %V */
173: { NULL, NULL }, /* Ac */
1.107 schwarze 174: { termp_quote_pre, termp_quote_post }, /* Ao */
175: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 176: { NULL, NULL }, /* At */
1.1 kristaps 177: { NULL, NULL }, /* Bc */
178: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 179: { termp_quote_pre, termp_quote_post }, /* Bo */
180: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 181: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 182: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 183: { NULL, NULL }, /* Db */
184: { NULL, NULL }, /* Dc */
1.107 schwarze 185: { termp_quote_pre, termp_quote_post }, /* Do */
186: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 187: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 188: { NULL, NULL }, /* Ef */
1.54 schwarze 189: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 190: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 191: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 192: { termp_bold_pre, NULL }, /* Ms */
1.109 schwarze 193: { termp_igndelim_pre, NULL }, /* No */
1.1 kristaps 194: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 195: { termp_xx_pre, NULL }, /* Nx */
196: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 197: { NULL, NULL }, /* Pc */
1.109 schwarze 198: { termp_igndelim_pre, termp_pf_post }, /* Pf */
1.107 schwarze 199: { termp_quote_pre, termp_quote_post }, /* Po */
200: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 201: { NULL, NULL }, /* Qc */
1.107 schwarze 202: { termp_quote_pre, termp_quote_post }, /* Ql */
203: { termp_quote_pre, termp_quote_post }, /* Qo */
204: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 205: { NULL, NULL }, /* Re */
206: { termp_rs_pre, NULL }, /* Rs */
207: { NULL, NULL }, /* Sc */
1.107 schwarze 208: { termp_quote_pre, termp_quote_post }, /* So */
209: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 210: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 211: { termp_under_pre, NULL }, /* Sx */
212: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 213: { NULL, NULL }, /* Tn */
1.26 schwarze 214: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 215: { NULL, NULL }, /* Xc */
216: { NULL, NULL }, /* Xo */
217: { termp_fo_pre, termp_fo_post }, /* Fo */
218: { NULL, NULL }, /* Fc */
1.107 schwarze 219: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 220: { NULL, NULL }, /* Oc */
1.90 schwarze 221: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 222: { NULL, NULL }, /* Ek */
223: { termp_bt_pre, NULL }, /* Bt */
224: { NULL, NULL }, /* Hf */
225: { NULL, NULL }, /* Fr */
226: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 227: { NULL, termp_lb_post }, /* Lb */
1.54 schwarze 228: { termp_sp_pre, NULL }, /* Lp */
1.1 kristaps 229: { termp_lk_pre, NULL }, /* Lk */
1.54 schwarze 230: { termp_under_pre, NULL }, /* Mt */
1.107 schwarze 231: { termp_quote_pre, termp_quote_post }, /* Brq */
232: { termp_quote_pre, termp_quote_post }, /* Bro */
1.1 kristaps 233: { NULL, NULL }, /* Brc */
1.58 schwarze 234: { NULL, termp____post }, /* %C */
235: { NULL, NULL }, /* Es */ /* TODO */
236: { NULL, NULL }, /* En */ /* TODO */
1.26 schwarze 237: { termp_xx_pre, NULL }, /* Dx */
1.58 schwarze 238: { NULL, termp____post }, /* %Q */
1.54 schwarze 239: { termp_sp_pre, NULL }, /* br */
1.38 schwarze 240: { termp_sp_pre, NULL }, /* sp */
1.145 schwarze 241: { NULL, termp____post }, /* %U */
1.85 schwarze 242: { NULL, NULL }, /* Ta */
1.1 kristaps 243: };
244:
245:
1.55 schwarze 246: void
1.61 schwarze 247: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 248: {
1.55 schwarze 249: const struct mdoc_node *n;
1.147 schwarze 250: const struct mdoc_meta *meta;
1.61 schwarze 251: struct termp *p;
252:
253: p = (struct termp *)arg;
1.71 schwarze 254:
1.140 schwarze 255: if (0 == p->defindent)
256: p->defindent = 5;
257:
1.71 schwarze 258: p->overstep = 0;
1.80 schwarze 259: p->maxrmargin = p->defrmargin;
1.89 schwarze 260: p->tabwidth = term_len(p, 5);
1.61 schwarze 261:
262: if (NULL == p->symtab)
1.133 schwarze 263: p->symtab = mchars_alloc();
1.55 schwarze 264:
265: n = mdoc_node(mdoc);
1.147 schwarze 266: meta = mdoc_meta(mdoc);
1.55 schwarze 267:
1.147 schwarze 268: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.87 schwarze 269:
1.55 schwarze 270: if (n->child)
1.147 schwarze 271: print_mdoc_nodelist(p, NULL, meta, n->child);
1.87 schwarze 272:
273: term_end(p);
1.1 kristaps 274: }
275:
276:
277: static void
1.65 schwarze 278: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 279: {
280:
1.147 schwarze 281: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 282: if (n->next)
1.147 schwarze 283: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 284: }
285:
286:
1.54 schwarze 287: /* ARGSUSED */
1.1 kristaps 288: static void
1.65 schwarze 289: print_mdoc_node(DECL_ARGS)
1.1 kristaps 290: {
1.65 schwarze 291: int chld;
1.1 kristaps 292: struct termpair npair;
1.28 schwarze 293: size_t offset, rmargin;
1.1 kristaps 294:
1.54 schwarze 295: chld = 1;
1.28 schwarze 296: offset = p->offset;
297: rmargin = p->rmargin;
1.146 schwarze 298: n->prev_font = term_fontq(p);
1.1 kristaps 299:
1.63 schwarze 300: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 301: npair.ppair = pair;
1.65 schwarze 302:
1.95 schwarze 303: /*
304: * Keeps only work until the end of a line. If a keep was
305: * invoked in a prior line, revert it to PREKEEP.
1.116 schwarze 306: *
307: * Also let SYNPRETTY sections behave as if they were wrapped
308: * in a `Bk' block.
1.95 schwarze 309: */
310:
1.116 schwarze 311: if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) {
1.150 schwarze 312: if (n->prev ? (n->prev->line != n->line) :
313: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 314: p->flags &= ~TERMP_KEEP;
315: p->flags |= TERMP_PREKEEP;
316: }
317: }
1.116 schwarze 318:
319: /*
320: * Since SYNPRETTY sections aren't "turned off" with `Ek',
321: * we have to intuit whether we should disable formatting.
322: */
323:
324: if ( ! (MDOC_SYNPRETTY & n->flags) &&
325: ((n->prev && MDOC_SYNPRETTY & n->prev->flags) ||
326: (n->parent && MDOC_SYNPRETTY & n->parent->flags)))
327: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.128 schwarze 328:
329: /*
330: * After the keep flags have been set up, we may now
331: * produce output. Note that some pre-handlers do so.
332: */
333:
334: switch (n->type) {
335: case (MDOC_TEXT):
336: if (' ' == *n->string && MDOC_LINE & n->flags)
337: term_newln(p);
1.132 schwarze 338: if (MDOC_DELIMC & n->flags)
339: p->flags |= TERMP_NOSPACE;
1.128 schwarze 340: term_word(p, n->string);
1.132 schwarze 341: if (MDOC_DELIMO & n->flags)
342: p->flags |= TERMP_NOSPACE;
1.128 schwarze 343: break;
1.131 schwarze 344: case (MDOC_EQN):
1.135 schwarze 345: term_eqn(p, n->eqn);
1.131 schwarze 346: break;
1.128 schwarze 347: case (MDOC_TBL):
348: term_tbl(p, n->span);
349: break;
350: default:
351: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
352: chld = (*termacts[n->tok].pre)
1.147 schwarze 353: (p, &npair, meta, n);
1.128 schwarze 354: break;
355: }
1.95 schwarze 356:
1.60 schwarze 357: if (chld && n->child)
1.147 schwarze 358: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 359:
1.146 schwarze 360: term_fontpopq(p,
361: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 362:
1.122 schwarze 363: switch (n->type) {
364: case (MDOC_TEXT):
365: break;
366: case (MDOC_TBL):
1.131 schwarze 367: break;
368: case (MDOC_EQN):
1.122 schwarze 369: break;
370: default:
371: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
372: break;
1.147 schwarze 373: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 374:
375: /*
376: * Explicit end tokens not only call the post
377: * handler, but also tell the respective block
378: * that it must not call the post handler again.
379: */
1.95 schwarze 380: if (ENDBODY_NOT != n->end)
1.93 schwarze 381: n->pending->flags |= MDOC_ENDED;
382:
383: /*
384: * End of line terminating an implicit block
385: * while an explicit block is still open.
386: * Continue the explicit block without spacing.
387: */
388: if (ENDBODY_NOSPACE == n->end)
389: p->flags |= TERMP_NOSPACE;
1.122 schwarze 390: break;
1.93 schwarze 391: }
1.28 schwarze 392:
1.78 schwarze 393: if (MDOC_EOS & n->flags)
394: p->flags |= TERMP_SENTENCE;
395:
1.28 schwarze 396: p->offset = offset;
397: p->rmargin = rmargin;
1.1 kristaps 398: }
399:
400:
401: static void
1.87 schwarze 402: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 403: {
1.147 schwarze 404: const struct mdoc_meta *meta;
1.87 schwarze 405:
1.147 schwarze 406: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 407:
1.65 schwarze 408: term_fontrepl(p, TERMFONT_NONE);
409:
1.7 schwarze 410: /*
411: * Output the footer in new-groff style, that is, three columns
412: * with the middle being the manual date and flanking columns
413: * being the operating system:
414: *
415: * SYSTEM DATE SYSTEM
416: */
417:
1.1 kristaps 418: term_vspace(p);
419:
1.7 schwarze 420: p->offset = 0;
1.89 schwarze 421: p->rmargin = (p->maxrmargin -
1.147 schwarze 422: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 423: p->trailspace = 1;
1.1 kristaps 424: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
425:
1.147 schwarze 426: term_word(p, meta->os);
1.1 kristaps 427: term_flushln(p);
428:
1.7 schwarze 429: p->offset = p->rmargin;
1.147 schwarze 430: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 431: p->flags |= TERMP_NOSPACE;
1.7 schwarze 432:
1.147 schwarze 433: term_word(p, meta->date);
1.7 schwarze 434: term_flushln(p);
435:
1.1 kristaps 436: p->offset = p->rmargin;
437: p->rmargin = p->maxrmargin;
1.152 schwarze 438: p->trailspace = 0;
1.1 kristaps 439: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 440: p->flags |= TERMP_NOSPACE;
1.1 kristaps 441:
1.147 schwarze 442: term_word(p, meta->os);
1.1 kristaps 443: term_flushln(p);
1.7 schwarze 444:
445: p->offset = 0;
446: p->rmargin = p->maxrmargin;
447: p->flags = 0;
1.1 kristaps 448: }
449:
450:
451: static void
1.87 schwarze 452: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 453: {
1.63 schwarze 454: char buf[BUFSIZ], title[BUFSIZ];
1.137 schwarze 455: size_t buflen, titlen;
1.147 schwarze 456: const struct mdoc_meta *meta;
1.87 schwarze 457:
1.147 schwarze 458: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 459:
460: /*
461: * The header is strange. It has three components, which are
462: * really two with the first duplicated. It goes like this:
463: *
464: * IDENTIFIER TITLE IDENTIFIER
465: *
466: * The IDENTIFIER is NAME(SECTION), which is the command-name
467: * (if given, or "unknown" if not) followed by the manual page
468: * section. These are given in `Dt'. The TITLE is a free-form
469: * string depending on the manual volume. If not specified, it
470: * switches on the manual section.
471: */
472:
1.137 schwarze 473: p->offset = 0;
474: p->rmargin = p->maxrmargin;
475:
1.147 schwarze 476: assert(meta->vol);
477: strlcpy(buf, meta->vol, BUFSIZ);
1.137 schwarze 478: buflen = term_strlen(p, buf);
1.1 kristaps 479:
1.147 schwarze 480: if (meta->arch) {
1.63 schwarze 481: strlcat(buf, " (", BUFSIZ);
1.147 schwarze 482: strlcat(buf, meta->arch, BUFSIZ);
1.63 schwarze 483: strlcat(buf, ")", BUFSIZ);
1.1 kristaps 484: }
485:
1.147 schwarze 486: snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec);
1.137 schwarze 487: titlen = term_strlen(p, title);
1.1 kristaps 488:
1.137 schwarze 489: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 490: p->trailspace = 1;
1.1 kristaps 491: p->offset = 0;
1.137 schwarze 492: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
493: (p->maxrmargin -
494: term_strlen(p, buf) + term_len(p, 1)) / 2 :
495: p->maxrmargin - buflen;
1.1 kristaps 496:
497: term_word(p, title);
498: term_flushln(p);
499:
1.137 schwarze 500: p->flags |= TERMP_NOSPACE;
1.1 kristaps 501: p->offset = p->rmargin;
1.137 schwarze 502: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
503: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 504:
505: term_word(p, buf);
506: term_flushln(p);
507:
508: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 509: p->trailspace = 0;
1.137 schwarze 510: if (p->rmargin + titlen <= p->maxrmargin) {
511: p->flags |= TERMP_NOSPACE;
512: p->offset = p->rmargin;
513: p->rmargin = p->maxrmargin;
514: term_word(p, title);
515: term_flushln(p);
516: }
1.1 kristaps 517:
1.137 schwarze 518: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 519: p->offset = 0;
1.1 kristaps 520: p->rmargin = p->maxrmargin;
521: }
522:
523:
524: static size_t
1.89 schwarze 525: a2height(const struct termp *p, const char *v)
1.1 kristaps 526: {
1.61 schwarze 527: struct roffsu su;
1.1 kristaps 528:
1.134 schwarze 529:
1.89 schwarze 530: assert(v);
531: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 532: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 533:
1.89 schwarze 534: return(term_vspan(p, &su));
1.61 schwarze 535: }
1.34 schwarze 536:
1.1 kristaps 537:
1.61 schwarze 538: static size_t
1.89 schwarze 539: a2width(const struct termp *p, const char *v)
1.61 schwarze 540: {
541: struct roffsu su;
1.1 kristaps 542:
1.88 schwarze 543: assert(v);
544: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 545: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 546:
1.89 schwarze 547: return(term_hspan(p, &su));
1.1 kristaps 548: }
549:
550:
551: static size_t
1.89 schwarze 552: a2offs(const struct termp *p, const char *v)
1.1 kristaps 553: {
1.61 schwarze 554: struct roffsu su;
1.1 kristaps 555:
1.88 schwarze 556: if ('\0' == *v)
1.61 schwarze 557: return(0);
1.88 schwarze 558: else if (0 == strcmp(v, "left"))
1.9 schwarze 559: return(0);
1.88 schwarze 560: else if (0 == strcmp(v, "indent"))
1.140 schwarze 561: return(term_len(p, p->defindent + 1));
1.88 schwarze 562: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 563: return(term_len(p, (p->defindent + 1) * 2));
1.88 schwarze 564: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 565: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 566:
1.89 schwarze 567: return(term_hspan(p, &su));
1.1 kristaps 568: }
569:
570:
1.68 schwarze 571: /*
572: * Determine how much space to print out before block elements of `It'
573: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
574: * too.
575: */
1.45 schwarze 576: static void
1.61 schwarze 577: print_bvspace(struct termp *p,
1.1 kristaps 578: const struct mdoc_node *bl,
1.60 schwarze 579: const struct mdoc_node *n)
1.1 kristaps 580: {
1.60 schwarze 581: const struct mdoc_node *nn;
1.138 schwarze 582:
583: assert(n);
1.1 kristaps 584:
585: term_newln(p);
1.88 schwarze 586:
1.121 schwarze 587: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 588: return;
1.121 schwarze 589: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 590: return;
591:
1.60 schwarze 592: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 593:
1.60 schwarze 594: for (nn = n; nn; nn = nn->parent) {
595: if (MDOC_BLOCK != nn->type)
1.1 kristaps 596: continue;
1.60 schwarze 597: if (MDOC_Ss == nn->tok)
1.45 schwarze 598: return;
1.60 schwarze 599: if (MDOC_Sh == nn->tok)
1.45 schwarze 600: return;
1.60 schwarze 601: if (NULL == nn->prev)
1.1 kristaps 602: continue;
603: break;
604: }
605:
1.60 schwarze 606: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 607:
1.121 schwarze 608: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 609: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 610: return;
611:
1.60 schwarze 612: /* A `-diag' without body does not vspace. */
613:
1.121 schwarze 614: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 615: if (n->prev && MDOC_It == n->prev->tok) {
616: assert(n->prev->body);
617: if (NULL == n->prev->body->child)
1.45 schwarze 618: return;
619: }
620:
621: term_vspace(p);
1.1 kristaps 622: }
623:
624:
625: /* ARGSUSED */
626: static int
627: termp_it_pre(DECL_ARGS)
628: {
1.60 schwarze 629: const struct mdoc_node *bl, *nn;
1.1 kristaps 630: char buf[7];
1.95 schwarze 631: int i;
1.68 schwarze 632: size_t width, offset, ncols, dcol;
1.82 schwarze 633: enum mdoc_list type;
1.1 kristaps 634:
1.60 schwarze 635: if (MDOC_BLOCK == n->type) {
1.61 schwarze 636: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 637: return(1);
638: }
1.1 kristaps 639:
1.60 schwarze 640: bl = n->parent->parent->parent;
1.121 schwarze 641: type = bl->norm->Bl.type;
1.1 kristaps 642:
1.68 schwarze 643: /*
644: * First calculate width and offset. This is pretty easy unless
645: * we're a -column list, in which case all prior columns must
646: * be accounted for.
647: */
648:
649: width = offset = 0;
650:
1.121 schwarze 651: if (bl->norm->Bl.offs)
652: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 653:
1.1 kristaps 654: switch (type) {
1.82 schwarze 655: case (LIST_column):
1.85 schwarze 656: if (MDOC_HEAD == n->type)
1.1 kristaps 657: break;
1.88 schwarze 658:
1.66 schwarze 659: /*
1.68 schwarze 660: * Imitate groff's column handling:
661: * - For each earlier column, add its width.
662: * - For less than 5 columns, add four more blanks per
663: * column.
664: * - For exactly 5 columns, add three more blank per
665: * column.
666: * - For more than 5 columns, add only one column.
1.66 schwarze 667: */
1.121 schwarze 668: ncols = bl->norm->Bl.ncols;
1.95 schwarze 669:
1.68 schwarze 670: /* LINTED */
1.89 schwarze 671: dcol = ncols < 5 ? term_len(p, 4) :
672: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 673:
1.85 schwarze 674: /*
675: * Calculate the offset by applying all prior MDOC_BODY,
676: * so we stop at the MDOC_HEAD (NULL == nn->prev).
677: */
678:
1.68 schwarze 679: for (i = 0, nn = n->prev;
1.85 schwarze 680: nn->prev && i < (int)ncols;
1.68 schwarze 681: nn = nn->prev, i++)
682: offset += dcol + a2width
1.121 schwarze 683: (p, bl->norm->Bl.cols[i]);
1.66 schwarze 684:
685: /*
1.68 schwarze 686: * When exceeding the declared number of columns, leave
687: * the remaining widths at 0. This will later be
688: * adjusted to the default width of 10, or, for the last
689: * column, stretched to the right margin.
1.46 schwarze 690: */
1.68 schwarze 691: if (i >= (int)ncols)
692: break;
1.46 schwarze 693:
1.66 schwarze 694: /*
1.68 schwarze 695: * Use the declared column widths, extended as explained
696: * in the preceding paragraph.
1.66 schwarze 697: */
1.121 schwarze 698: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 699: break;
700: default:
1.121 schwarze 701: if (NULL == bl->norm->Bl.width)
1.68 schwarze 702: break;
703:
704: /*
705: * Note: buffer the width by 2, which is groff's magic
706: * number for buffering single arguments. See the above
707: * handling for column for how this changes.
708: */
1.121 schwarze 709: assert(bl->norm->Bl.width);
710: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 711: break;
712: }
713:
714: /*
715: * List-type can override the width in the case of fixed-head
716: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 717: * offset.
1.1 kristaps 718: */
719:
720: switch (type) {
1.82 schwarze 721: case (LIST_bullet):
1.1 kristaps 722: /* FALLTHROUGH */
1.82 schwarze 723: case (LIST_dash):
1.1 kristaps 724: /* FALLTHROUGH */
1.82 schwarze 725: case (LIST_hyphen):
1.144 schwarze 726: /* FALLTHROUGH */
1.82 schwarze 727: case (LIST_enum):
1.144 schwarze 728: if (width < term_len(p, 2))
729: width = term_len(p, 2);
1.1 kristaps 730: break;
1.82 schwarze 731: case (LIST_hang):
1.33 schwarze 732: if (0 == width)
1.89 schwarze 733: width = term_len(p, 8);
1.33 schwarze 734: break;
1.82 schwarze 735: case (LIST_column):
1.41 schwarze 736: /* FALLTHROUGH */
1.82 schwarze 737: case (LIST_tag):
1.1 kristaps 738: if (0 == width)
1.89 schwarze 739: width = term_len(p, 10);
1.1 kristaps 740: break;
741: default:
742: break;
743: }
744:
745: /*
1.16 schwarze 746: * Whitespace control. Inset bodies need an initial space,
747: * while diagonal bodies need two.
1.1 kristaps 748: */
749:
1.42 schwarze 750: p->flags |= TERMP_NOSPACE;
751:
1.1 kristaps 752: switch (type) {
1.82 schwarze 753: case (LIST_diag):
1.60 schwarze 754: if (MDOC_BODY == n->type)
1.48 schwarze 755: term_word(p, "\\ \\ ");
1.42 schwarze 756: break;
1.82 schwarze 757: case (LIST_inset):
1.60 schwarze 758: if (MDOC_BODY == n->type)
1.42 schwarze 759: term_word(p, "\\ ");
1.1 kristaps 760: break;
761: default:
762: break;
763: }
764:
1.42 schwarze 765: p->flags |= TERMP_NOSPACE;
766:
1.1 kristaps 767: switch (type) {
1.82 schwarze 768: case (LIST_diag):
1.60 schwarze 769: if (MDOC_HEAD == n->type)
1.65 schwarze 770: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 771: break;
772: default:
773: break;
774: }
775:
776: /*
1.68 schwarze 777: * Pad and break control. This is the tricky part. These flags
778: * are documented in term_flushln() in term.c. Note that we're
779: * going to unset all of these flags in termp_it_post() when we
780: * exit.
1.1 kristaps 781: */
782:
783: switch (type) {
1.144 schwarze 784: case (LIST_enum):
785: /*
786: * Weird special case.
787: * Very narrow enum lists actually hang.
788: */
789: if (width == term_len(p, 2))
790: p->flags |= TERMP_HANG;
791: /* FALLTHROUGH */
1.82 schwarze 792: case (LIST_bullet):
1.1 kristaps 793: /* FALLTHROUGH */
1.82 schwarze 794: case (LIST_dash):
1.1 kristaps 795: /* FALLTHROUGH */
1.82 schwarze 796: case (LIST_hyphen):
1.152 schwarze 797: if (MDOC_HEAD != n->type)
798: break;
799: p->flags |= TERMP_NOBREAK;
800: p->trailspace = 1;
1.33 schwarze 801: break;
1.82 schwarze 802: case (LIST_hang):
1.152 schwarze 803: if (MDOC_HEAD != n->type)
1.47 schwarze 804: break;
805:
806: /*
807: * This is ugly. If `-hang' is specified and the body
808: * is a `Bl' or `Bd', then we want basically to nullify
809: * the "overstep" effect in term_flushln() and treat
810: * this as a `-ohang' list instead.
811: */
1.60 schwarze 812: if (n->next->child &&
813: (MDOC_Bl == n->next->child->tok ||
1.136 schwarze 814: MDOC_Bd == n->next->child->tok))
1.152 schwarze 815: break;
816:
817: p->flags |= TERMP_NOBREAK | TERMP_HANG;
818: p->trailspace = 1;
1.33 schwarze 819: break;
1.82 schwarze 820: case (LIST_tag):
1.60 schwarze 821: if (MDOC_HEAD != n->type)
1.33 schwarze 822: break;
1.152 schwarze 823:
824: p->flags |= TERMP_NOBREAK;
825: p->trailspace = 2;
826:
1.60 schwarze 827: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 828: p->flags |= TERMP_DANGLE;
1.1 kristaps 829: break;
1.82 schwarze 830: case (LIST_column):
1.85 schwarze 831: if (MDOC_HEAD == n->type)
832: break;
833:
1.152 schwarze 834: if (NULL == n->next) {
1.85 schwarze 835: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 836: p->trailspace = 0;
837: } else {
1.85 schwarze 838: p->flags |= TERMP_NOBREAK;
1.152 schwarze 839: p->trailspace = 1;
840: }
1.85 schwarze 841:
1.1 kristaps 842: break;
1.82 schwarze 843: case (LIST_diag):
1.152 schwarze 844: if (MDOC_HEAD != n->type)
845: break;
846: p->flags |= TERMP_NOBREAK;
847: p->trailspace = 1;
1.1 kristaps 848: break;
849: default:
850: break;
851: }
852:
853: /*
854: * Margin control. Set-head-width lists have their right
855: * margins shortened. The body for these lists has the offset
856: * necessarily lengthened. Everybody gets the offset.
857: */
858:
859: p->offset += offset;
860:
861: switch (type) {
1.82 schwarze 862: case (LIST_hang):
1.47 schwarze 863: /*
864: * Same stipulation as above, regarding `-hang'. We
865: * don't want to recalculate rmargin and offsets when
866: * using `Bd' or `Bl' within `-hang' overstep lists.
867: */
1.60 schwarze 868: if (MDOC_HEAD == n->type && n->next->child &&
869: (MDOC_Bl == n->next->child->tok ||
870: MDOC_Bd == n->next->child->tok))
1.47 schwarze 871: break;
872: /* FALLTHROUGH */
1.82 schwarze 873: case (LIST_bullet):
1.1 kristaps 874: /* FALLTHROUGH */
1.82 schwarze 875: case (LIST_dash):
1.1 kristaps 876: /* FALLTHROUGH */
1.82 schwarze 877: case (LIST_enum):
1.1 kristaps 878: /* FALLTHROUGH */
1.82 schwarze 879: case (LIST_hyphen):
1.33 schwarze 880: /* FALLTHROUGH */
1.82 schwarze 881: case (LIST_tag):
1.41 schwarze 882: assert(width);
1.60 schwarze 883: if (MDOC_HEAD == n->type)
1.1 kristaps 884: p->rmargin = p->offset + width;
885: else
886: p->offset += width;
887: break;
1.82 schwarze 888: case (LIST_column):
1.41 schwarze 889: assert(width);
1.1 kristaps 890: p->rmargin = p->offset + width;
1.43 schwarze 891: /*
892: * XXX - this behaviour is not documented: the
893: * right-most column is filled to the right margin.
894: */
1.85 schwarze 895: if (MDOC_HEAD == n->type)
896: break;
897: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 898: p->rmargin = p->maxrmargin;
1.1 kristaps 899: break;
900: default:
901: break;
902: }
903:
904: /*
905: * The dash, hyphen, bullet and enum lists all have a special
1.12 schwarze 906: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 907: */
908:
1.60 schwarze 909: if (MDOC_HEAD == n->type)
1.1 kristaps 910: switch (type) {
1.82 schwarze 911: case (LIST_bullet):
1.65 schwarze 912: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 913: term_word(p, "\\[bu]");
1.65 schwarze 914: term_fontpop(p);
1.1 kristaps 915: break;
1.82 schwarze 916: case (LIST_dash):
1.1 kristaps 917: /* FALLTHROUGH */
1.82 schwarze 918: case (LIST_hyphen):
1.65 schwarze 919: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 920: term_word(p, "\\(hy");
1.65 schwarze 921: term_fontpop(p);
1.1 kristaps 922: break;
1.82 schwarze 923: case (LIST_enum):
1.1 kristaps 924: (pair->ppair->ppair->count)++;
1.68 schwarze 925: snprintf(buf, sizeof(buf), "%d.",
1.1 kristaps 926: pair->ppair->ppair->count);
927: term_word(p, buf);
928: break;
929: default:
930: break;
931: }
1.12 schwarze 932:
1.1 kristaps 933: /*
934: * If we're not going to process our children, indicate so here.
935: */
936:
937: switch (type) {
1.82 schwarze 938: case (LIST_bullet):
1.1 kristaps 939: /* FALLTHROUGH */
1.82 schwarze 940: case (LIST_item):
1.1 kristaps 941: /* FALLTHROUGH */
1.82 schwarze 942: case (LIST_dash):
1.1 kristaps 943: /* FALLTHROUGH */
1.82 schwarze 944: case (LIST_hyphen):
1.1 kristaps 945: /* FALLTHROUGH */
1.82 schwarze 946: case (LIST_enum):
1.60 schwarze 947: if (MDOC_HEAD == n->type)
1.1 kristaps 948: return(0);
949: break;
1.82 schwarze 950: case (LIST_column):
1.85 schwarze 951: if (MDOC_HEAD == n->type)
1.1 kristaps 952: return(0);
953: break;
954: default:
955: break;
956: }
957:
958: return(1);
959: }
960:
961:
962: /* ARGSUSED */
963: static void
964: termp_it_post(DECL_ARGS)
965: {
1.82 schwarze 966: enum mdoc_list type;
1.1 kristaps 967:
1.68 schwarze 968: if (MDOC_BLOCK == n->type)
1.1 kristaps 969: return;
970:
1.121 schwarze 971: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 972:
973: switch (type) {
1.82 schwarze 974: case (LIST_item):
1.44 schwarze 975: /* FALLTHROUGH */
1.82 schwarze 976: case (LIST_diag):
1.1 kristaps 977: /* FALLTHROUGH */
1.82 schwarze 978: case (LIST_inset):
1.60 schwarze 979: if (MDOC_BODY == n->type)
1.74 schwarze 980: term_newln(p);
1.1 kristaps 981: break;
1.82 schwarze 982: case (LIST_column):
1.85 schwarze 983: if (MDOC_BODY == n->type)
1.1 kristaps 984: term_flushln(p);
985: break;
986: default:
1.74 schwarze 987: term_newln(p);
1.1 kristaps 988: break;
989: }
990:
1.68 schwarze 991: /*
992: * Now that our output is flushed, we can reset our tags. Since
993: * only `It' sets these flags, we're free to assume that nobody
994: * has munged them in the meanwhile.
995: */
996:
997: p->flags &= ~TERMP_DANGLE;
998: p->flags &= ~TERMP_NOBREAK;
999: p->flags &= ~TERMP_HANG;
1.152 schwarze 1000: p->trailspace = 0;
1.1 kristaps 1001: }
1002:
1003:
1004: /* ARGSUSED */
1005: static int
1006: termp_nm_pre(DECL_ARGS)
1007: {
1008:
1.94 schwarze 1009: if (MDOC_BLOCK == n->type)
1010: return(1);
1011:
1012: if (MDOC_BODY == n->type) {
1013: if (NULL == n->child)
1014: return(0);
1.136 schwarze 1015: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1016: p->offset += term_len(p, 1) +
1.147 schwarze 1017: (NULL == n->prev->child ?
1018: term_strlen(p, meta->name) :
1.94 schwarze 1019: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1020: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1021: term_len(p, 5));
1022: return(1);
1023: }
1024:
1.147 schwarze 1025: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1026: return(0);
1.81 schwarze 1027:
1.97 schwarze 1028: if (MDOC_HEAD == n->type)
1029: synopsis_pre(p, n->parent);
1.65 schwarze 1030:
1.94 schwarze 1031: if (MDOC_HEAD == n->type && n->next->child) {
1.105 schwarze 1032: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.152 schwarze 1033: p->trailspace = 1;
1.105 schwarze 1034: p->rmargin = p->offset + term_len(p, 1);
1035: if (NULL == n->child) {
1.147 schwarze 1036: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1037: } else if (MDOC_TEXT == n->child->type) {
1038: p->rmargin += term_strlen(p, n->child->string);
1039: if (n->child->next)
1040: p->flags |= TERMP_HANG;
1041: } else {
1042: p->rmargin += term_len(p, 5);
1043: p->flags |= TERMP_HANG;
1044: }
1.94 schwarze 1045: }
1046:
1.65 schwarze 1047: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1048: if (NULL == n->child)
1.147 schwarze 1049: term_word(p, meta->name);
1.1 kristaps 1050: return(1);
1051: }
1052:
1053:
1.94 schwarze 1054: /* ARGSUSED */
1055: static void
1056: termp_nm_post(DECL_ARGS)
1057: {
1058:
1059: if (MDOC_HEAD == n->type && n->next->child) {
1060: term_flushln(p);
1061: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
1.152 schwarze 1062: p->trailspace = 0;
1.136 schwarze 1063: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1064: term_flushln(p);
1065: }
1066:
1067:
1.1 kristaps 1068: /* ARGSUSED */
1069: static int
1070: termp_fl_pre(DECL_ARGS)
1071: {
1072:
1.65 schwarze 1073: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1074: term_word(p, "\\-");
1.67 schwarze 1075:
1076: if (n->child)
1077: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1078: else if (n->next && n->next->line == n->line)
1079: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1080:
1.1 kristaps 1081: return(1);
1.49 schwarze 1082: }
1083:
1084:
1085: /* ARGSUSED */
1086: static int
1.104 schwarze 1087: termp__a_pre(DECL_ARGS)
1088: {
1089:
1090: if (n->prev && MDOC__A == n->prev->tok)
1091: if (NULL == n->next || MDOC__A != n->next->tok)
1092: term_word(p, "and");
1093:
1094: return(1);
1095: }
1096:
1097:
1098: /* ARGSUSED */
1099: static int
1.49 schwarze 1100: termp_an_pre(DECL_ARGS)
1101: {
1102:
1.60 schwarze 1103: if (NULL == n->child)
1.49 schwarze 1104: return(1);
1105:
1106: /*
1.60 schwarze 1107: * If not in the AUTHORS section, `An -split' will cause
1108: * newlines to occur before the author name. If in the AUTHORS
1109: * section, by default, the first `An' invocation is nosplit,
1110: * then all subsequent ones, regardless of whether interspersed
1111: * with other macros/text, are split. -split, in this case,
1112: * will override the condition of the implied first -nosplit.
1.49 schwarze 1113: */
1114:
1.60 schwarze 1115: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1116: if ( ! (TERMP_ANPREC & p->flags)) {
1117: if (TERMP_SPLIT & p->flags)
1118: term_newln(p);
1119: return(1);
1120: }
1121: if (TERMP_NOSPLIT & p->flags)
1122: return(1);
1123: term_newln(p);
1124: return(1);
1125: }
1126:
1127: if (TERMP_SPLIT & p->flags)
1128: term_newln(p);
1129:
1130: return(1);
1131: }
1132:
1133:
1134: /* ARGSUSED */
1135: static void
1136: termp_an_post(DECL_ARGS)
1137: {
1138:
1.60 schwarze 1139: if (n->child) {
1140: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1141: p->flags |= TERMP_ANPREC;
1142: return;
1143: }
1144:
1.121 schwarze 1145: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1146: p->flags &= ~TERMP_NOSPLIT;
1147: p->flags |= TERMP_SPLIT;
1.121 schwarze 1148: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1149: p->flags &= ~TERMP_SPLIT;
1150: p->flags |= TERMP_NOSPLIT;
1151: }
1152:
1.1 kristaps 1153: }
1154:
1155:
1156: /* ARGSUSED */
1157: static int
1158: termp_ns_pre(DECL_ARGS)
1159: {
1160:
1.127 schwarze 1161: if ( ! (MDOC_LINE & n->flags))
1162: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1163: return(1);
1164: }
1165:
1166:
1167: /* ARGSUSED */
1168: static int
1169: termp_rs_pre(DECL_ARGS)
1170: {
1171:
1.60 schwarze 1172: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1173: return(1);
1.60 schwarze 1174: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1175: term_vspace(p);
1176: return(1);
1177: }
1178:
1179:
1180: /* ARGSUSED */
1181: static int
1182: termp_rv_pre(DECL_ARGS)
1183: {
1.132 schwarze 1184: int nchild;
1.1 kristaps 1185:
1186: term_newln(p);
1187: term_word(p, "The");
1188:
1.132 schwarze 1189: nchild = n->nchild;
1190: for (n = n->child; n; n = n->next) {
1.65 schwarze 1191: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1192: term_word(p, n->string);
1.65 schwarze 1193: term_fontpop(p);
1.132 schwarze 1194:
1.53 schwarze 1195: p->flags |= TERMP_NOSPACE;
1.132 schwarze 1196: term_word(p, "()");
1197:
1198: if (nchild > 2 && n->next) {
1199: p->flags |= TERMP_NOSPACE;
1200: term_word(p, ",");
1201: }
1202:
1203: if (n->next && NULL == n->next->next)
1204: term_word(p, "and");
1.53 schwarze 1205: }
1206:
1.132 schwarze 1207: if (nchild > 1)
1.53 schwarze 1208: term_word(p, "functions return");
1209: else
1210: term_word(p, "function returns");
1.1 kristaps 1211:
1.53 schwarze 1212: term_word(p, "the value 0 if successful; otherwise the value "
1213: "-1 is returned and the global variable");
1.1 kristaps 1214:
1.65 schwarze 1215: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1216: term_word(p, "errno");
1.65 schwarze 1217: term_fontpop(p);
1.1 kristaps 1218:
1219: term_word(p, "is set to indicate the error.");
1.84 schwarze 1220: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1221:
1.53 schwarze 1222: return(0);
1.1 kristaps 1223: }
1224:
1225:
1226: /* ARGSUSED */
1227: static int
1228: termp_ex_pre(DECL_ARGS)
1229: {
1.132 schwarze 1230: int nchild;
1.1 kristaps 1231:
1.132 schwarze 1232: term_newln(p);
1.53 schwarze 1233: term_word(p, "The");
1.1 kristaps 1234:
1.132 schwarze 1235: nchild = n->nchild;
1236: for (n = n->child; n; n = n->next) {
1.65 schwarze 1237: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1238: term_word(p, n->string);
1.65 schwarze 1239: term_fontpop(p);
1.132 schwarze 1240:
1241: if (nchild > 2 && n->next) {
1242: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1243: term_word(p, ",");
1.132 schwarze 1244: }
1245:
1246: if (n->next && NULL == n->next->next)
1247: term_word(p, "and");
1.53 schwarze 1248: }
1249:
1.132 schwarze 1250: if (nchild > 1)
1.53 schwarze 1251: term_word(p, "utilities exit");
1252: else
1253: term_word(p, "utility exits");
1254:
1255: term_word(p, "0 on success, and >0 if an error occurs.");
1.132 schwarze 1256:
1.84 schwarze 1257: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1258: return(0);
1.1 kristaps 1259: }
1260:
1261:
1262: /* ARGSUSED */
1263: static int
1264: termp_nd_pre(DECL_ARGS)
1265: {
1.25 schwarze 1266:
1.60 schwarze 1267: if (MDOC_BODY != n->type)
1.25 schwarze 1268: return(1);
1269:
1270: #if defined(__OpenBSD__) || defined(__linux__)
1271: term_word(p, "\\(en");
1.24 schwarze 1272: #else
1273: term_word(p, "\\(em");
1274: #endif
1.1 kristaps 1275: return(1);
1276: }
1277:
1278:
1279: /* ARGSUSED */
1.73 schwarze 1280: static int
1281: termp_bl_pre(DECL_ARGS)
1282: {
1283:
1284: return(MDOC_HEAD != n->type);
1285: }
1286:
1287:
1288: /* ARGSUSED */
1.1 kristaps 1289: static void
1290: termp_bl_post(DECL_ARGS)
1291: {
1292:
1.60 schwarze 1293: if (MDOC_BLOCK == n->type)
1.1 kristaps 1294: term_newln(p);
1295: }
1296:
1297: /* ARGSUSED */
1298: static int
1299: termp_xr_pre(DECL_ARGS)
1300: {
1301:
1.132 schwarze 1302: if (NULL == (n = n->child))
1.72 schwarze 1303: return(0);
1304:
1.132 schwarze 1305: assert(MDOC_TEXT == n->type);
1306: term_word(p, n->string);
1.10 schwarze 1307:
1.132 schwarze 1308: if (NULL == (n = n->next))
1.1 kristaps 1309: return(0);
1.132 schwarze 1310:
1.1 kristaps 1311: p->flags |= TERMP_NOSPACE;
1312: term_word(p, "(");
1.132 schwarze 1313: p->flags |= TERMP_NOSPACE;
1314:
1315: assert(MDOC_TEXT == n->type);
1316: term_word(p, n->string);
1317:
1318: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1319: term_word(p, ")");
1.60 schwarze 1320:
1.1 kristaps 1321: return(0);
1322: }
1323:
1.86 schwarze 1324: /*
1325: * This decides how to assert whitespace before any of the SYNOPSIS set
1326: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1327: * macro combos).
1328: */
1329: static void
1330: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1331: {
1332: /*
1333: * Obviously, if we're not in a SYNOPSIS or no prior macros
1334: * exist, do nothing.
1335: */
1.92 schwarze 1336: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1337: return;
1338:
1339: /*
1340: * If we're the second in a pair of like elements, emit our
1341: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1342: * case we soldier on.
1343: */
1344: if (n->prev->tok == n->tok &&
1345: MDOC_Ft != n->tok &&
1346: MDOC_Fo != n->tok &&
1347: MDOC_Fn != n->tok) {
1348: term_newln(p);
1349: return;
1350: }
1351:
1352: /*
1353: * If we're one of the SYNOPSIS set and non-like pair-wise after
1354: * another (or Fn/Fo, which we've let slip through) then assert
1355: * vertical space, else only newline and move on.
1356: */
1357: switch (n->prev->tok) {
1358: case (MDOC_Fd):
1359: /* FALLTHROUGH */
1360: case (MDOC_Fn):
1361: /* FALLTHROUGH */
1362: case (MDOC_Fo):
1363: /* FALLTHROUGH */
1364: case (MDOC_In):
1365: /* FALLTHROUGH */
1366: case (MDOC_Vt):
1367: term_vspace(p);
1368: break;
1369: case (MDOC_Ft):
1370: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1371: term_vspace(p);
1372: break;
1373: }
1374: /* FALLTHROUGH */
1375: default:
1376: term_newln(p);
1377: break;
1378: }
1379: }
1380:
1381:
1.69 schwarze 1382: static int
1383: termp_vt_pre(DECL_ARGS)
1384: {
1385:
1.86 schwarze 1386: if (MDOC_ELEM == n->type) {
1387: synopsis_pre(p, n);
1.147 schwarze 1388: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1389: } else if (MDOC_BLOCK == n->type) {
1390: synopsis_pre(p, n);
1391: return(1);
1392: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1393: return(0);
1394:
1.147 schwarze 1395: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1396: }
1397:
1398:
1.1 kristaps 1399: /* ARGSUSED */
1400: static int
1.54 schwarze 1401: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1402: {
1403:
1.65 schwarze 1404: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1405: return(1);
1406: }
1407:
1408:
1409: /* ARGSUSED */
1.86 schwarze 1410: static int
1411: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1412: {
1413:
1.86 schwarze 1414: synopsis_pre(p, n);
1.147 schwarze 1415: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1416: }
1417:
1418:
1419: /* ARGSUSED */
1.143 schwarze 1420: static void
1421: termp_fd_post(DECL_ARGS)
1422: {
1423:
1424: term_newln(p);
1425: }
1426:
1427:
1428: /* ARGSUSED */
1.1 kristaps 1429: static int
1430: termp_sh_pre(DECL_ARGS)
1431: {
1.60 schwarze 1432:
1433: /* No vspace between consecutive `Sh' calls. */
1434:
1435: switch (n->type) {
1.52 schwarze 1436: case (MDOC_BLOCK):
1.60 schwarze 1437: if (n->prev && MDOC_Sh == n->prev->tok)
1438: if (NULL == n->prev->body->child)
1.52 schwarze 1439: break;
1440: term_vspace(p);
1441: break;
1.1 kristaps 1442: case (MDOC_HEAD):
1.65 schwarze 1443: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1444: break;
1445: case (MDOC_BODY):
1.140 schwarze 1446: p->offset = term_len(p, p->defindent);
1.141 schwarze 1447: if (SEC_AUTHORS == n->sec)
1448: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1449: break;
1450: default:
1451: break;
1452: }
1453: return(1);
1454: }
1455:
1456:
1457: /* ARGSUSED */
1458: static void
1459: termp_sh_post(DECL_ARGS)
1460: {
1461:
1.60 schwarze 1462: switch (n->type) {
1.1 kristaps 1463: case (MDOC_HEAD):
1464: term_newln(p);
1465: break;
1466: case (MDOC_BODY):
1467: term_newln(p);
1468: p->offset = 0;
1469: break;
1470: default:
1471: break;
1472: }
1473: }
1474:
1475:
1476: /* ARGSUSED */
1477: static int
1478: termp_bt_pre(DECL_ARGS)
1479: {
1480:
1481: term_word(p, "is currently in beta test.");
1.84 schwarze 1482: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1483: return(0);
1.1 kristaps 1484: }
1485:
1486:
1487: /* ARGSUSED */
1488: static void
1489: termp_lb_post(DECL_ARGS)
1490: {
1491:
1.77 schwarze 1492: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1493: term_newln(p);
1.1 kristaps 1494: }
1495:
1496:
1497: /* ARGSUSED */
1498: static int
1499: termp_ud_pre(DECL_ARGS)
1500: {
1501:
1502: term_word(p, "currently under development.");
1.84 schwarze 1503: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1504: return(0);
1.1 kristaps 1505: }
1506:
1507:
1508: /* ARGSUSED */
1509: static int
1510: termp_d1_pre(DECL_ARGS)
1511: {
1512:
1.60 schwarze 1513: if (MDOC_BLOCK != n->type)
1.1 kristaps 1514: return(1);
1515: term_newln(p);
1.140 schwarze 1516: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1517: return(1);
1518: }
1519:
1520:
1521: /* ARGSUSED */
1522: static int
1523: termp_ft_pre(DECL_ARGS)
1524: {
1525:
1.85 schwarze 1526: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1527: synopsis_pre(p, n);
1.65 schwarze 1528: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1529: return(1);
1530: }
1531:
1532:
1533: /* ARGSUSED */
1534: static int
1535: termp_fn_pre(DECL_ARGS)
1536: {
1.153 ! schwarze 1537: size_t width, rmargin = 0;
1.132 schwarze 1538: int pretty;
1539:
1540: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1541:
1.86 schwarze 1542: synopsis_pre(p, n);
1.85 schwarze 1543:
1.132 schwarze 1544: if (NULL == (n = n->child))
1545: return(0);
1546:
1.153 ! schwarze 1547: if (pretty) {
! 1548: width = term_len(p, 4);
! 1549: rmargin = p->rmargin;
! 1550: p->rmargin = p->offset + width;
! 1551: p->flags |= TERMP_NOBREAK | TERMP_HANG;
! 1552: }
! 1553:
1.132 schwarze 1554: assert(MDOC_TEXT == n->type);
1.65 schwarze 1555: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1556: term_word(p, n->string);
1.65 schwarze 1557: term_fontpop(p);
1.1 kristaps 1558:
1.153 ! schwarze 1559: if (pretty) {
! 1560: term_flushln(p);
! 1561: p->flags &= ~(TERMP_NOBREAK | TERMP_HANG);
! 1562: p->offset = p->rmargin;
! 1563: p->rmargin = rmargin;
! 1564: }
! 1565:
1.1 kristaps 1566: p->flags |= TERMP_NOSPACE;
1567: term_word(p, "(");
1.132 schwarze 1568: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1569:
1.132 schwarze 1570: for (n = n->next; n; n = n->next) {
1571: assert(MDOC_TEXT == n->type);
1.65 schwarze 1572: term_fontpush(p, TERMFONT_UNDER);
1.132 schwarze 1573: term_word(p, n->string);
1.65 schwarze 1574: term_fontpop(p);
1575:
1.132 schwarze 1576: if (n->next) {
1577: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1578: term_word(p, ",");
1.132 schwarze 1579: }
1.1 kristaps 1580: }
1581:
1.132 schwarze 1582: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1583: term_word(p, ")");
1584:
1.132 schwarze 1585: if (pretty) {
1586: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1587: term_word(p, ";");
1.153 ! schwarze 1588: term_flushln(p);
1.132 schwarze 1589: }
1.1 kristaps 1590:
1591: return(0);
1592: }
1593:
1594:
1595: /* ARGSUSED */
1596: static int
1597: termp_fa_pre(DECL_ARGS)
1598: {
1.60 schwarze 1599: const struct mdoc_node *nn;
1.1 kristaps 1600:
1.60 schwarze 1601: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1602: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1603: return(1);
1604: }
1605:
1.60 schwarze 1606: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1607: term_fontpush(p, TERMFONT_UNDER);
1.60 schwarze 1608: term_word(p, nn->string);
1.65 schwarze 1609: term_fontpop(p);
1610:
1.132 schwarze 1611: if (nn->next) {
1612: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1613: term_word(p, ",");
1.132 schwarze 1614: }
1.1 kristaps 1615: }
1616:
1.132 schwarze 1617: if (n->child && n->next && n->next->tok == MDOC_Fa) {
1618: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1619: term_word(p, ",");
1.132 schwarze 1620: }
1.1 kristaps 1621:
1622: return(0);
1623: }
1624:
1625:
1626: /* ARGSUSED */
1627: static int
1628: termp_bd_pre(DECL_ARGS)
1629: {
1.99 schwarze 1630: size_t tabwidth, rm, rmax;
1.146 schwarze 1631: struct mdoc_node *nn;
1.1 kristaps 1632:
1.60 schwarze 1633: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1634: print_bvspace(p, n, n);
1.45 schwarze 1635: return(1);
1.73 schwarze 1636: } else if (MDOC_HEAD == n->type)
1637: return(0);
1.1 kristaps 1638:
1.121 schwarze 1639: if (n->norm->Bd.offs)
1640: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1641:
1642: /*
1643: * If -ragged or -filled are specified, the block does nothing
1644: * but change the indentation. If -unfilled or -literal are
1645: * specified, text is printed exactly as entered in the display:
1646: * for macro lines, a newline is appended to the line. Blank
1647: * lines are allowed.
1648: */
1.48 schwarze 1649:
1.121 schwarze 1650: if (DISP_literal != n->norm->Bd.type &&
1651: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1652: return(1);
1653:
1.75 schwarze 1654: tabwidth = p->tabwidth;
1.123 schwarze 1655: if (DISP_literal == n->norm->Bd.type)
1656: p->tabwidth = term_len(p, 8);
1657:
1.77 schwarze 1658: rm = p->rmargin;
1659: rmax = p->maxrmargin;
1660: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1661:
1.60 schwarze 1662: for (nn = n->child; nn; nn = nn->next) {
1.147 schwarze 1663: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1664: /*
1665: * If the printed node flushes its own line, then we
1666: * needn't do it here as well. This is hacky, but the
1667: * notion of selective eoln whitespace is pretty dumb
1668: * anyway, so don't sweat it.
1669: */
1670: switch (nn->tok) {
1.112 schwarze 1671: case (MDOC_Sm):
1672: /* FALLTHROUGH */
1.108 schwarze 1673: case (MDOC_br):
1674: /* FALLTHROUGH */
1675: case (MDOC_sp):
1676: /* FALLTHROUGH */
1677: case (MDOC_Bl):
1.115 schwarze 1678: /* FALLTHROUGH */
1679: case (MDOC_D1):
1680: /* FALLTHROUGH */
1681: case (MDOC_Dl):
1.108 schwarze 1682: /* FALLTHROUGH */
1683: case (MDOC_Lp):
1684: /* FALLTHROUGH */
1685: case (MDOC_Pp):
1686: continue;
1687: default:
1688: break;
1689: }
1.100 schwarze 1690: if (nn->next && nn->next->line == nn->line)
1691: continue;
1692: term_flushln(p);
1.48 schwarze 1693: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1694: }
1.88 schwarze 1695:
1.75 schwarze 1696: p->tabwidth = tabwidth;
1.77 schwarze 1697: p->rmargin = rm;
1698: p->maxrmargin = rmax;
1.1 kristaps 1699: return(0);
1700: }
1701:
1702:
1703: /* ARGSUSED */
1704: static void
1705: termp_bd_post(DECL_ARGS)
1706: {
1.77 schwarze 1707: size_t rm, rmax;
1.1 kristaps 1708:
1.60 schwarze 1709: if (MDOC_BODY != n->type)
1.1 kristaps 1710: return;
1.77 schwarze 1711:
1712: rm = p->rmargin;
1713: rmax = p->maxrmargin;
1714:
1.121 schwarze 1715: if (DISP_literal == n->norm->Bd.type ||
1716: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1717: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1718:
1.48 schwarze 1719: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1720: term_newln(p);
1.77 schwarze 1721:
1722: p->rmargin = rm;
1723: p->maxrmargin = rmax;
1.1 kristaps 1724: }
1725:
1726:
1727: /* ARGSUSED */
1.126 schwarze 1728: static int
1729: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1730: {
1731:
1.126 schwarze 1732: if (NULL != (n = n->child)) {
1733: term_word(p, n->string);
1734: p->flags |= TERMP_NOSPACE;
1735: term_word(p, "BSD");
1736: } else {
1737: term_word(p, "BSD");
1738: return(0);
1739: }
1740:
1741: if (NULL != (n = n->next)) {
1742: p->flags |= TERMP_NOSPACE;
1743: term_word(p, "-");
1.1 kristaps 1744: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1745: term_word(p, n->string);
1746: }
1747:
1748: return(0);
1.1 kristaps 1749: }
1750:
1751:
1752: /* ARGSUSED */
1753: static int
1.26 schwarze 1754: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1755: {
1.26 schwarze 1756: const char *pp;
1.129 schwarze 1757: int flags;
1.1 kristaps 1758:
1.26 schwarze 1759: pp = NULL;
1.60 schwarze 1760: switch (n->tok) {
1.26 schwarze 1761: case (MDOC_Bsx):
1.113 schwarze 1762: pp = "BSD/OS";
1.26 schwarze 1763: break;
1764: case (MDOC_Dx):
1.64 schwarze 1765: pp = "DragonFly";
1.26 schwarze 1766: break;
1767: case (MDOC_Fx):
1768: pp = "FreeBSD";
1769: break;
1770: case (MDOC_Nx):
1771: pp = "NetBSD";
1772: break;
1773: case (MDOC_Ox):
1774: pp = "OpenBSD";
1775: break;
1776: case (MDOC_Ux):
1777: pp = "UNIX";
1778: break;
1779: default:
1.148 schwarze 1780: abort();
1781: /* NOTREACHED */
1.26 schwarze 1782: }
1.1 kristaps 1783:
1.26 schwarze 1784: term_word(p, pp);
1.129 schwarze 1785: if (n->child) {
1786: flags = p->flags;
1787: p->flags |= TERMP_KEEP;
1788: term_word(p, n->child->string);
1789: p->flags = flags;
1790: }
1791: return(0);
1.1 kristaps 1792: }
1793:
1794:
1795: /* ARGSUSED */
1796: static int
1.109 schwarze 1797: termp_igndelim_pre(DECL_ARGS)
1.1 kristaps 1798: {
1799:
1800: p->flags |= TERMP_IGNDELIM;
1801: return(1);
1802: }
1803:
1804:
1805: /* ARGSUSED */
1806: static void
1807: termp_pf_post(DECL_ARGS)
1808: {
1809:
1810: p->flags |= TERMP_NOSPACE;
1811: }
1812:
1813:
1814: /* ARGSUSED */
1815: static int
1816: termp_ss_pre(DECL_ARGS)
1817: {
1818:
1.60 schwarze 1819: switch (n->type) {
1.1 kristaps 1820: case (MDOC_BLOCK):
1821: term_newln(p);
1.60 schwarze 1822: if (n->prev)
1.1 kristaps 1823: term_vspace(p);
1824: break;
1825: case (MDOC_HEAD):
1.65 schwarze 1826: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1827: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1828: break;
1829: default:
1830: break;
1831: }
1832:
1833: return(1);
1834: }
1835:
1836:
1837: /* ARGSUSED */
1838: static void
1839: termp_ss_post(DECL_ARGS)
1840: {
1841:
1.60 schwarze 1842: if (MDOC_HEAD == n->type)
1.1 kristaps 1843: term_newln(p);
1844: }
1845:
1846:
1847: /* ARGSUSED */
1848: static int
1849: termp_cd_pre(DECL_ARGS)
1850: {
1851:
1.86 schwarze 1852: synopsis_pre(p, n);
1.65 schwarze 1853: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1854: return(1);
1855: }
1856:
1857:
1858: /* ARGSUSED */
1859: static int
1860: termp_in_pre(DECL_ARGS)
1861: {
1862:
1.86 schwarze 1863: synopsis_pre(p, n);
1.85 schwarze 1864:
1.92 schwarze 1865: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1866: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1867: term_word(p, "#include");
1.85 schwarze 1868: term_word(p, "<");
1869: } else {
1870: term_word(p, "<");
1871: term_fontpush(p, TERMFONT_UNDER);
1872: }
1.23 schwarze 1873:
1.1 kristaps 1874: p->flags |= TERMP_NOSPACE;
1875: return(1);
1876: }
1877:
1878:
1879: /* ARGSUSED */
1880: static void
1881: termp_in_post(DECL_ARGS)
1882: {
1883:
1.92 schwarze 1884: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1885: term_fontpush(p, TERMFONT_BOLD);
1886:
1.59 schwarze 1887: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1888: term_word(p, ">");
1889:
1.92 schwarze 1890: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1891: term_fontpop(p);
1.38 schwarze 1892: }
1893:
1894:
1895: /* ARGSUSED */
1896: static int
1897: termp_sp_pre(DECL_ARGS)
1898: {
1.61 schwarze 1899: size_t i, len;
1.38 schwarze 1900:
1.60 schwarze 1901: switch (n->tok) {
1.54 schwarze 1902: case (MDOC_sp):
1.89 schwarze 1903: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1904: break;
1905: case (MDOC_br):
1906: len = 0;
1907: break;
1908: default:
1909: len = 1;
1910: break;
1.38 schwarze 1911: }
1912:
1913: if (0 == len)
1914: term_newln(p);
1915: for (i = 0; i < len; i++)
1916: term_vspace(p);
1917:
1918: return(0);
1919: }
1920:
1921:
1922: /* ARGSUSED */
1923: static int
1.107 schwarze 1924: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1925: {
1926:
1.120 schwarze 1927: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1928: return(1);
1929:
1.107 schwarze 1930: switch (n->tok) {
1931: case (MDOC_Ao):
1932: /* FALLTHROUGH */
1933: case (MDOC_Aq):
1934: term_word(p, "<");
1935: break;
1936: case (MDOC_Bro):
1937: /* FALLTHROUGH */
1938: case (MDOC_Brq):
1939: term_word(p, "{");
1940: break;
1941: case (MDOC_Oo):
1942: /* FALLTHROUGH */
1943: case (MDOC_Op):
1944: /* FALLTHROUGH */
1945: case (MDOC_Bo):
1946: /* FALLTHROUGH */
1947: case (MDOC_Bq):
1948: term_word(p, "[");
1949: break;
1950: case (MDOC_Do):
1951: /* FALLTHROUGH */
1952: case (MDOC_Dq):
1.151 schwarze 1953: term_word(p, "\\(lq");
1.107 schwarze 1954: break;
1.139 schwarze 1955: case (MDOC_Eo):
1956: break;
1.107 schwarze 1957: case (MDOC_Po):
1958: /* FALLTHROUGH */
1959: case (MDOC_Pq):
1960: term_word(p, "(");
1961: break;
1.120 schwarze 1962: case (MDOC__T):
1963: /* FALLTHROUGH */
1.107 schwarze 1964: case (MDOC_Qo):
1965: /* FALLTHROUGH */
1966: case (MDOC_Qq):
1967: term_word(p, "\"");
1968: break;
1969: case (MDOC_Ql):
1970: /* FALLTHROUGH */
1971: case (MDOC_So):
1972: /* FALLTHROUGH */
1973: case (MDOC_Sq):
1.151 schwarze 1974: term_word(p, "\\(oq");
1.107 schwarze 1975: break;
1976: default:
1977: abort();
1978: /* NOTREACHED */
1979: }
1.1 kristaps 1980:
1981: p->flags |= TERMP_NOSPACE;
1982: return(1);
1983: }
1984:
1985:
1986: /* ARGSUSED */
1987: static void
1.107 schwarze 1988: termp_quote_post(DECL_ARGS)
1.1 kristaps 1989: {
1990:
1.120 schwarze 1991: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1992: return;
1993:
1994: p->flags |= TERMP_NOSPACE;
1995:
1.107 schwarze 1996: switch (n->tok) {
1997: case (MDOC_Ao):
1998: /* FALLTHROUGH */
1999: case (MDOC_Aq):
2000: term_word(p, ">");
2001: break;
2002: case (MDOC_Bro):
2003: /* FALLTHROUGH */
2004: case (MDOC_Brq):
2005: term_word(p, "}");
2006: break;
2007: case (MDOC_Oo):
2008: /* FALLTHROUGH */
2009: case (MDOC_Op):
2010: /* FALLTHROUGH */
2011: case (MDOC_Bo):
2012: /* FALLTHROUGH */
2013: case (MDOC_Bq):
2014: term_word(p, "]");
2015: break;
2016: case (MDOC_Do):
2017: /* FALLTHROUGH */
2018: case (MDOC_Dq):
1.151 schwarze 2019: term_word(p, "\\(rq");
1.139 schwarze 2020: break;
2021: case (MDOC_Eo):
1.107 schwarze 2022: break;
2023: case (MDOC_Po):
2024: /* FALLTHROUGH */
2025: case (MDOC_Pq):
2026: term_word(p, ")");
2027: break;
1.120 schwarze 2028: case (MDOC__T):
2029: /* FALLTHROUGH */
1.107 schwarze 2030: case (MDOC_Qo):
2031: /* FALLTHROUGH */
2032: case (MDOC_Qq):
2033: term_word(p, "\"");
2034: break;
2035: case (MDOC_Ql):
2036: /* FALLTHROUGH */
2037: case (MDOC_So):
2038: /* FALLTHROUGH */
2039: case (MDOC_Sq):
1.151 schwarze 2040: term_word(p, "\\(cq");
1.107 schwarze 2041: break;
2042: default:
2043: abort();
2044: /* NOTREACHED */
2045: }
1.1 kristaps 2046: }
2047:
2048:
2049: /* ARGSUSED */
2050: static int
2051: termp_fo_pre(DECL_ARGS)
2052: {
2053:
1.85 schwarze 2054: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2055: synopsis_pre(p, n);
1.85 schwarze 2056: return(1);
2057: } else if (MDOC_BODY == n->type) {
1.31 schwarze 2058: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2059: term_word(p, "(");
1.132 schwarze 2060: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2061: return(1);
1.85 schwarze 2062: }
2063:
1.95 schwarze 2064: if (NULL == n->child)
2065: return(0);
2066:
1.85 schwarze 2067: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2068:
1.85 schwarze 2069: assert(n->child->string);
1.65 schwarze 2070: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2071: term_word(p, n->child->string);
1.1 kristaps 2072: return(0);
2073: }
2074:
2075:
2076: /* ARGSUSED */
2077: static void
2078: termp_fo_post(DECL_ARGS)
2079: {
2080:
1.86 schwarze 2081: if (MDOC_BODY != n->type)
2082: return;
2083:
1.132 schwarze 2084: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2085: term_word(p, ")");
2086:
1.132 schwarze 2087: if (MDOC_SYNPRETTY & n->flags) {
2088: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2089: term_word(p, ";");
1.132 schwarze 2090: }
1.1 kristaps 2091: }
2092:
2093:
2094: /* ARGSUSED */
2095: static int
2096: termp_bf_pre(DECL_ARGS)
2097: {
2098:
1.60 schwarze 2099: if (MDOC_HEAD == n->type)
1.1 kristaps 2100: return(0);
1.146 schwarze 2101: else if (MDOC_BODY != n->type)
1.1 kristaps 2102: return(1);
2103:
1.121 schwarze 2104: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2105: term_fontpush(p, TERMFONT_UNDER);
1.121 schwarze 2106: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2107: term_fontpush(p, TERMFONT_BOLD);
1.95 schwarze 2108: else
1.65 schwarze 2109: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2110:
2111: return(1);
2112: }
2113:
2114:
2115: /* ARGSUSED */
2116: static int
2117: termp_sm_pre(DECL_ARGS)
2118: {
2119:
1.60 schwarze 2120: assert(n->child && MDOC_TEXT == n->child->type);
1.96 schwarze 2121: if (0 == strcmp("on", n->child->string)) {
2122: if (p->col)
2123: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2124: p->flags &= ~TERMP_NONOSPACE;
1.96 schwarze 2125: } else
1.1 kristaps 2126: p->flags |= TERMP_NONOSPACE;
2127:
2128: return(0);
2129: }
2130:
2131:
2132: /* ARGSUSED */
2133: static int
2134: termp_ap_pre(DECL_ARGS)
2135: {
2136:
2137: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2138: term_word(p, "'");
1.1 kristaps 2139: p->flags |= TERMP_NOSPACE;
2140: return(1);
2141: }
2142:
2143:
2144: /* ARGSUSED */
2145: static void
2146: termp____post(DECL_ARGS)
2147: {
1.104 schwarze 2148:
2149: /*
2150: * Handle lists of authors. In general, print each followed by
2151: * a comma. Don't print the comma if there are only two
2152: * authors.
2153: */
2154: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2155: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2156: if (NULL == n->prev || MDOC__A != n->prev->tok)
2157: return;
1.1 kristaps 2158:
1.62 schwarze 2159: /* TODO: %U. */
2160:
1.106 schwarze 2161: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2162: return;
2163:
1.132 schwarze 2164: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2165: if (NULL == n->next) {
2166: term_word(p, ".");
2167: p->flags |= TERMP_SENTENCE;
2168: } else
2169: term_word(p, ",");
1.1 kristaps 2170: }
2171:
2172:
2173: /* ARGSUSED */
2174: static int
1.65 schwarze 2175: termp_li_pre(DECL_ARGS)
2176: {
2177:
2178: term_fontpush(p, TERMFONT_NONE);
2179: return(1);
2180: }
2181:
2182:
2183: /* ARGSUSED */
2184: static int
1.1 kristaps 2185: termp_lk_pre(DECL_ARGS)
2186: {
1.142 schwarze 2187: const struct mdoc_node *link, *descr;
1.1 kristaps 2188:
1.142 schwarze 2189: if (NULL == (link = n->child))
2190: return(0);
1.101 schwarze 2191:
1.142 schwarze 2192: if (NULL != (descr = link->next)) {
2193: term_fontpush(p, TERMFONT_UNDER);
2194: while (NULL != descr) {
2195: term_word(p, descr->string);
2196: descr = descr->next;
2197: }
2198: p->flags |= TERMP_NOSPACE;
2199: term_word(p, ":");
2200: term_fontpop(p);
2201: }
1.1 kristaps 2202:
1.65 schwarze 2203: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2204: term_word(p, link->string);
1.65 schwarze 2205: term_fontpop(p);
1.6 schwarze 2206:
1.1 kristaps 2207: return(0);
2208: }
2209:
1.90 schwarze 2210:
2211: /* ARGSUSED */
2212: static int
2213: termp_bk_pre(DECL_ARGS)
2214: {
2215:
1.91 schwarze 2216: switch (n->type) {
2217: case (MDOC_BLOCK):
1.95 schwarze 2218: break;
1.91 schwarze 2219: case (MDOC_HEAD):
2220: return(0);
2221: case (MDOC_BODY):
1.117 schwarze 2222: if (n->parent->args || 0 == n->prev->nchild)
2223: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2224: break;
1.91 schwarze 2225: default:
2226: abort();
1.95 schwarze 2227: /* NOTREACHED */
1.91 schwarze 2228: }
1.95 schwarze 2229:
2230: return(1);
1.90 schwarze 2231: }
2232:
2233:
2234: /* ARGSUSED */
2235: static void
2236: termp_bk_post(DECL_ARGS)
2237: {
2238:
1.149 schwarze 2239: if (MDOC_BODY == n->type && ! (MDOC_SYNPRETTY & n->flags))
1.91 schwarze 2240: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2241: }
1.120 schwarze 2242:
2243: /* ARGSUSED */
2244: static void
2245: termp__t_post(DECL_ARGS)
2246: {
2247:
2248: /*
2249: * If we're in an `Rs' and there's a journal present, then quote
2250: * us instead of underlining us (for disambiguation).
2251: */
1.121 schwarze 2252: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2253: n->parent->norm->Rs.quote_T)
1.147 schwarze 2254: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2255:
1.147 schwarze 2256: termp____post(p, pair, meta, n);
1.120 schwarze 2257: }
2258:
2259: /* ARGSUSED */
2260: static int
2261: termp__t_pre(DECL_ARGS)
2262: {
2263:
2264: /*
2265: * If we're in an `Rs' and there's a journal present, then quote
2266: * us instead of underlining us (for disambiguation).
2267: */
1.121 schwarze 2268: if (n->parent && MDOC_Rs == n->parent->tok &&
1.125 schwarze 2269: n->parent->norm->Rs.quote_T)
1.147 schwarze 2270: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2271:
2272: term_fontpush(p, TERMFONT_UNDER);
2273: return(1);
1.121 schwarze 2274: }
1.1 kristaps 2275:
2276: /* ARGSUSED */
2277: static int
1.54 schwarze 2278: termp_under_pre(DECL_ARGS)
1.1 kristaps 2279: {
2280:
1.65 schwarze 2281: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2282: return(1);
2283: }
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