Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.169
1.169 ! schwarze 1: /* $Id: mdoc_term.c,v 1.168 2014/04/20 20:17:36 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.161 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.2 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.77 schwarze 23: #include <stdint.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
1.81 schwarze 28: #include "mandoc.h"
1.168 schwarze 29: #include "mandoc_aux.h"
1.61 schwarze 30: #include "out.h"
1.1 kristaps 31: #include "term.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "main.h"
1.54 schwarze 34:
1.1 kristaps 35: struct termpair {
36: struct termpair *ppair;
1.27 schwarze 37: int count;
1.1 kristaps 38: };
39:
1.29 schwarze 40: #define DECL_ARGS struct termp *p, \
41: struct termpair *pair, \
1.166 schwarze 42: const struct mdoc_meta *meta, \
1.146 schwarze 43: struct mdoc_node *n
1.1 kristaps 44:
45: struct termact {
46: int (*pre)(DECL_ARGS);
47: void (*post)(DECL_ARGS);
48: };
1.29 schwarze 49:
1.89 schwarze 50: static size_t a2width(const struct termp *, const char *);
51: static size_t a2height(const struct termp *, const char *);
52: static size_t a2offs(const struct termp *, const char *);
1.62 schwarze 53:
54: static void print_bvspace(struct termp *,
55: const struct mdoc_node *,
56: const struct mdoc_node *);
1.166 schwarze 57: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 58: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 59: static void print_mdoc_head(struct termp *, const void *);
60: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 61: static void synopsis_pre(struct termp *,
1.86 schwarze 62: const struct mdoc_node *);
1.62 schwarze 63:
1.29 schwarze 64: static void termp____post(DECL_ARGS);
1.120 schwarze 65: static void termp__t_post(DECL_ARGS);
1.49 schwarze 66: static void termp_an_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 70: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 71: static void termp_fo_post(DECL_ARGS);
72: static void termp_in_post(DECL_ARGS);
73: static void termp_it_post(DECL_ARGS);
74: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 75: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 76: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 77: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 78: static void termp_sh_post(DECL_ARGS);
79: static void termp_ss_post(DECL_ARGS);
80:
1.104 schwarze 81: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 82: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 83: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 84: static int termp_ap_pre(DECL_ARGS);
85: static int termp_bd_pre(DECL_ARGS);
86: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 87: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 88: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 89: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 91: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
94: static int termp_ex_pre(DECL_ARGS);
95: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 96: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_fl_pre(DECL_ARGS);
98: static int termp_fn_pre(DECL_ARGS);
99: static int termp_fo_pre(DECL_ARGS);
100: static int termp_ft_pre(DECL_ARGS);
101: static int termp_in_pre(DECL_ARGS);
102: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 103: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 104: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 105: static int termp_lk_pre(DECL_ARGS);
106: static int termp_nd_pre(DECL_ARGS);
107: static int termp_nm_pre(DECL_ARGS);
108: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 109: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 110: static int termp_rs_pre(DECL_ARGS);
111: static int termp_rv_pre(DECL_ARGS);
112: static int termp_sh_pre(DECL_ARGS);
113: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 114: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 116: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 118: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 119: static int termp_xr_pre(DECL_ARGS);
120: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 121:
1.54 schwarze 122: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 123: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 124: { NULL, NULL }, /* Dd */
125: { NULL, NULL }, /* Dt */
126: { NULL, NULL }, /* Os */
127: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 128: { termp_ss_pre, termp_ss_post }, /* Ss */
129: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 130: { termp_d1_pre, termp_bl_post }, /* D1 */
131: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 132: { termp_bd_pre, termp_bd_post }, /* Bd */
133: { NULL, NULL }, /* Ed */
1.73 schwarze 134: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 135: { NULL, NULL }, /* El */
136: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 137: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 138: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 139: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 140: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 141: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 142: { NULL, NULL }, /* Dv */
143: { NULL, NULL }, /* Er */
144: { NULL, NULL }, /* Ev */
1.1 kristaps 145: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 146: { termp_fa_pre, NULL }, /* Fa */
147: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 148: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 149: { termp_fn_pre, NULL }, /* Fn */
150: { termp_ft_pre, NULL }, /* Ft */
151: { termp_bold_pre, NULL }, /* Ic */
152: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 153: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 154: { termp_nd_pre, NULL }, /* Nd */
155: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 156: { termp_quote_pre, termp_quote_post }, /* Op */
1.1 kristaps 157: { NULL, NULL }, /* Ot */
1.54 schwarze 158: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 159: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 160: { NULL, NULL }, /* St */
1.54 schwarze 161: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 162: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 163: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 164: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 165: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 166: { NULL, termp____post }, /* %D */
1.58 schwarze 167: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 168: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 169: { NULL, termp____post }, /* %N */
170: { NULL, termp____post }, /* %O */
171: { NULL, termp____post }, /* %P */
172: { NULL, termp____post }, /* %R */
1.120 schwarze 173: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 174: { NULL, termp____post }, /* %V */
175: { NULL, NULL }, /* Ac */
1.107 schwarze 176: { termp_quote_pre, termp_quote_post }, /* Ao */
177: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 178: { NULL, NULL }, /* At */
1.1 kristaps 179: { NULL, NULL }, /* Bc */
1.166 schwarze 180: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 181: { termp_quote_pre, termp_quote_post }, /* Bo */
182: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 183: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 184: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 185: { NULL, NULL }, /* Db */
186: { NULL, NULL }, /* Dc */
1.107 schwarze 187: { termp_quote_pre, termp_quote_post }, /* Do */
188: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 189: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 190: { NULL, NULL }, /* Ef */
1.166 schwarze 191: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 192: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 193: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 194: { termp_bold_pre, NULL }, /* Ms */
1.156 schwarze 195: { NULL, NULL }, /* No */
1.1 kristaps 196: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 197: { termp_xx_pre, NULL }, /* Nx */
198: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 199: { NULL, NULL }, /* Pc */
1.156 schwarze 200: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 201: { termp_quote_pre, termp_quote_post }, /* Po */
202: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 203: { NULL, NULL }, /* Qc */
1.107 schwarze 204: { termp_quote_pre, termp_quote_post }, /* Ql */
205: { termp_quote_pre, termp_quote_post }, /* Qo */
206: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 207: { NULL, NULL }, /* Re */
208: { termp_rs_pre, NULL }, /* Rs */
209: { NULL, NULL }, /* Sc */
1.107 schwarze 210: { termp_quote_pre, termp_quote_post }, /* So */
211: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 212: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 213: { termp_under_pre, NULL }, /* Sx */
214: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 215: { NULL, NULL }, /* Tn */
1.26 schwarze 216: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 217: { NULL, NULL }, /* Xc */
218: { NULL, NULL }, /* Xo */
1.166 schwarze 219: { termp_fo_pre, termp_fo_post }, /* Fo */
220: { NULL, NULL }, /* Fc */
1.107 schwarze 221: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 222: { NULL, NULL }, /* Oc */
1.90 schwarze 223: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 224: { NULL, NULL }, /* Ek */
225: { termp_bt_pre, NULL }, /* Bt */
226: { NULL, NULL }, /* Hf */
227: { NULL, NULL }, /* Fr */
228: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 229: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 230: { termp_sp_pre, NULL }, /* Lp */
231: { termp_lk_pre, NULL }, /* Lk */
232: { termp_under_pre, NULL }, /* Mt */
233: { termp_quote_pre, termp_quote_post }, /* Brq */
234: { termp_quote_pre, termp_quote_post }, /* Bro */
235: { NULL, NULL }, /* Brc */
236: { NULL, termp____post }, /* %C */
1.58 schwarze 237: { NULL, NULL }, /* Es */ /* TODO */
238: { NULL, NULL }, /* En */ /* TODO */
1.166 schwarze 239: { termp_xx_pre, NULL }, /* Dx */
240: { NULL, termp____post }, /* %Q */
1.54 schwarze 241: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 242: { termp_sp_pre, NULL }, /* sp */
243: { NULL, termp____post }, /* %U */
244: { NULL, NULL }, /* Ta */
1.162 schwarze 245: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 246: };
247:
248:
1.55 schwarze 249: void
1.61 schwarze 250: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 251: {
1.55 schwarze 252: const struct mdoc_node *n;
1.147 schwarze 253: const struct mdoc_meta *meta;
1.61 schwarze 254: struct termp *p;
255:
256: p = (struct termp *)arg;
1.71 schwarze 257:
1.140 schwarze 258: if (0 == p->defindent)
259: p->defindent = 5;
260:
1.71 schwarze 261: p->overstep = 0;
1.80 schwarze 262: p->maxrmargin = p->defrmargin;
1.89 schwarze 263: p->tabwidth = term_len(p, 5);
1.61 schwarze 264:
265: if (NULL == p->symtab)
1.133 schwarze 266: p->symtab = mchars_alloc();
1.55 schwarze 267:
268: n = mdoc_node(mdoc);
1.147 schwarze 269: meta = mdoc_meta(mdoc);
1.55 schwarze 270:
1.147 schwarze 271: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.87 schwarze 272:
1.55 schwarze 273: if (n->child)
1.147 schwarze 274: print_mdoc_nodelist(p, NULL, meta, n->child);
1.87 schwarze 275:
276: term_end(p);
1.1 kristaps 277: }
278:
279: static void
1.65 schwarze 280: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 281: {
282:
1.147 schwarze 283: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 284: if (n->next)
1.147 schwarze 285: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 286: }
287:
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.
306: */
307:
1.155 schwarze 308: if (TERMP_KEEP & p->flags) {
1.154 schwarze 309: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 310: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 311: p->flags &= ~TERMP_KEEP;
312: p->flags |= TERMP_PREKEEP;
313: }
314: }
1.116 schwarze 315:
316: /*
1.128 schwarze 317: * After the keep flags have been set up, we may now
318: * produce output. Note that some pre-handlers do so.
319: */
320:
321: switch (n->type) {
1.166 schwarze 322: case MDOC_TEXT:
1.128 schwarze 323: if (' ' == *n->string && MDOC_LINE & n->flags)
324: term_newln(p);
1.132 schwarze 325: if (MDOC_DELIMC & n->flags)
326: p->flags |= TERMP_NOSPACE;
1.128 schwarze 327: term_word(p, n->string);
1.132 schwarze 328: if (MDOC_DELIMO & n->flags)
329: p->flags |= TERMP_NOSPACE;
1.128 schwarze 330: break;
1.166 schwarze 331: case MDOC_EQN:
1.135 schwarze 332: term_eqn(p, n->eqn);
1.131 schwarze 333: break;
1.166 schwarze 334: case MDOC_TBL:
1.128 schwarze 335: term_tbl(p, n->span);
336: break;
337: default:
338: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
339: chld = (*termacts[n->tok].pre)
1.147 schwarze 340: (p, &npair, meta, n);
1.128 schwarze 341: break;
342: }
1.95 schwarze 343:
1.60 schwarze 344: if (chld && n->child)
1.147 schwarze 345: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 346:
1.146 schwarze 347: term_fontpopq(p,
348: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 349:
1.122 schwarze 350: switch (n->type) {
1.166 schwarze 351: case MDOC_TEXT:
1.122 schwarze 352: break;
1.166 schwarze 353: case MDOC_TBL:
1.131 schwarze 354: break;
1.166 schwarze 355: case MDOC_EQN:
1.122 schwarze 356: break;
357: default:
358: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
359: break;
1.147 schwarze 360: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 361:
362: /*
363: * Explicit end tokens not only call the post
364: * handler, but also tell the respective block
365: * that it must not call the post handler again.
366: */
1.95 schwarze 367: if (ENDBODY_NOT != n->end)
1.93 schwarze 368: n->pending->flags |= MDOC_ENDED;
369:
370: /*
371: * End of line terminating an implicit block
372: * while an explicit block is still open.
373: * Continue the explicit block without spacing.
374: */
375: if (ENDBODY_NOSPACE == n->end)
376: p->flags |= TERMP_NOSPACE;
1.122 schwarze 377: break;
1.93 schwarze 378: }
1.28 schwarze 379:
1.78 schwarze 380: if (MDOC_EOS & n->flags)
381: p->flags |= TERMP_SENTENCE;
382:
1.162 schwarze 383: if (MDOC_ll != n->tok) {
384: p->offset = offset;
385: p->rmargin = rmargin;
386: }
1.1 kristaps 387: }
388:
389: static void
1.87 schwarze 390: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 391: {
1.147 schwarze 392: const struct mdoc_meta *meta;
1.87 schwarze 393:
1.147 schwarze 394: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 395:
1.65 schwarze 396: term_fontrepl(p, TERMFONT_NONE);
397:
1.166 schwarze 398: /*
1.7 schwarze 399: * Output the footer in new-groff style, that is, three columns
400: * with the middle being the manual date and flanking columns
401: * being the operating system:
402: *
403: * SYSTEM DATE SYSTEM
404: */
405:
1.1 kristaps 406: term_vspace(p);
407:
1.7 schwarze 408: p->offset = 0;
1.166 schwarze 409: p->rmargin = (p->maxrmargin -
410: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 411: p->trailspace = 1;
1.1 kristaps 412: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
413:
1.147 schwarze 414: term_word(p, meta->os);
1.1 kristaps 415: term_flushln(p);
416:
1.7 schwarze 417: p->offset = p->rmargin;
1.147 schwarze 418: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 419: p->flags |= TERMP_NOSPACE;
1.7 schwarze 420:
1.147 schwarze 421: term_word(p, meta->date);
1.7 schwarze 422: term_flushln(p);
423:
1.1 kristaps 424: p->offset = p->rmargin;
425: p->rmargin = p->maxrmargin;
1.152 schwarze 426: p->trailspace = 0;
1.1 kristaps 427: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 428: p->flags |= TERMP_NOSPACE;
1.1 kristaps 429:
1.147 schwarze 430: term_word(p, meta->os);
1.1 kristaps 431: term_flushln(p);
1.7 schwarze 432:
433: p->offset = 0;
434: p->rmargin = p->maxrmargin;
435: p->flags = 0;
1.1 kristaps 436: }
437:
438: static void
1.87 schwarze 439: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 440: {
1.168 schwarze 441: const struct mdoc_meta *meta;
1.169 ! schwarze 442: char *volume, *title;
! 443: size_t vollen, titlen;
1.87 schwarze 444:
1.147 schwarze 445: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 446:
447: /*
448: * The header is strange. It has three components, which are
449: * really two with the first duplicated. It goes like this:
450: *
451: * IDENTIFIER TITLE IDENTIFIER
452: *
453: * The IDENTIFIER is NAME(SECTION), which is the command-name
454: * (if given, or "unknown" if not) followed by the manual page
455: * section. These are given in `Dt'. The TITLE is a free-form
456: * string depending on the manual volume. If not specified, it
457: * switches on the manual section.
458: */
459:
1.137 schwarze 460: p->offset = 0;
461: p->rmargin = p->maxrmargin;
462:
1.147 schwarze 463: assert(meta->vol);
1.169 ! schwarze 464: if (NULL == meta->arch)
! 465: volume = mandoc_strdup(meta->vol);
! 466: else
! 467: mandoc_asprintf(&volume, "%s (%s)",
! 468: meta->vol, meta->arch);
! 469: vollen = term_strlen(p, volume);
1.1 kristaps 470:
1.168 schwarze 471: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.137 schwarze 472: titlen = term_strlen(p, title);
1.1 kristaps 473:
1.137 schwarze 474: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 475: p->trailspace = 1;
1.1 kristaps 476: p->offset = 0;
1.169 ! schwarze 477: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
! 478: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
! 479: p->maxrmargin - vollen;
1.1 kristaps 480:
481: term_word(p, title);
482: term_flushln(p);
483:
1.137 schwarze 484: p->flags |= TERMP_NOSPACE;
1.1 kristaps 485: p->offset = p->rmargin;
1.169 ! schwarze 486: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 487: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 488:
1.169 ! schwarze 489: term_word(p, volume);
1.1 kristaps 490: term_flushln(p);
491:
492: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 493: p->trailspace = 0;
1.137 schwarze 494: if (p->rmargin + titlen <= p->maxrmargin) {
495: p->flags |= TERMP_NOSPACE;
496: p->offset = p->rmargin;
497: p->rmargin = p->maxrmargin;
498: term_word(p, title);
499: term_flushln(p);
500: }
1.1 kristaps 501:
1.137 schwarze 502: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 503: p->offset = 0;
1.1 kristaps 504: p->rmargin = p->maxrmargin;
1.168 schwarze 505: free(title);
1.169 ! schwarze 506: free(volume);
1.1 kristaps 507: }
508:
509: static size_t
1.89 schwarze 510: a2height(const struct termp *p, const char *v)
1.1 kristaps 511: {
1.61 schwarze 512: struct roffsu su;
1.1 kristaps 513:
1.134 schwarze 514:
1.89 schwarze 515: assert(v);
516: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 517: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 518:
1.89 schwarze 519: return(term_vspan(p, &su));
1.61 schwarze 520: }
1.34 schwarze 521:
1.61 schwarze 522: static size_t
1.89 schwarze 523: a2width(const struct termp *p, const char *v)
1.61 schwarze 524: {
525: struct roffsu su;
1.1 kristaps 526:
1.88 schwarze 527: assert(v);
528: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 529: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 530:
1.89 schwarze 531: return(term_hspan(p, &su));
1.1 kristaps 532: }
533:
534: static size_t
1.89 schwarze 535: a2offs(const struct termp *p, const char *v)
1.1 kristaps 536: {
1.61 schwarze 537: struct roffsu su;
1.1 kristaps 538:
1.88 schwarze 539: if ('\0' == *v)
1.61 schwarze 540: return(0);
1.88 schwarze 541: else if (0 == strcmp(v, "left"))
1.9 schwarze 542: return(0);
1.88 schwarze 543: else if (0 == strcmp(v, "indent"))
1.140 schwarze 544: return(term_len(p, p->defindent + 1));
1.88 schwarze 545: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 546: return(term_len(p, (p->defindent + 1) * 2));
1.88 schwarze 547: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 548: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 549:
1.89 schwarze 550: return(term_hspan(p, &su));
1.1 kristaps 551: }
552:
1.68 schwarze 553: /*
554: * Determine how much space to print out before block elements of `It'
555: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
556: * too.
557: */
1.45 schwarze 558: static void
1.166 schwarze 559: print_bvspace(struct termp *p,
560: const struct mdoc_node *bl,
561: const struct mdoc_node *n)
1.1 kristaps 562: {
1.60 schwarze 563: const struct mdoc_node *nn;
1.138 schwarze 564:
565: assert(n);
1.1 kristaps 566:
567: term_newln(p);
1.88 schwarze 568:
1.121 schwarze 569: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 570: return;
1.121 schwarze 571: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 572: return;
573:
1.60 schwarze 574: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 575:
1.60 schwarze 576: for (nn = n; nn; nn = nn->parent) {
577: if (MDOC_BLOCK != nn->type)
1.1 kristaps 578: continue;
1.60 schwarze 579: if (MDOC_Ss == nn->tok)
1.45 schwarze 580: return;
1.60 schwarze 581: if (MDOC_Sh == nn->tok)
1.45 schwarze 582: return;
1.60 schwarze 583: if (NULL == nn->prev)
1.1 kristaps 584: continue;
585: break;
586: }
587:
1.60 schwarze 588: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 589:
1.121 schwarze 590: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 591: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 592: return;
593:
1.60 schwarze 594: /* A `-diag' without body does not vspace. */
595:
1.121 schwarze 596: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 597: if (n->prev && MDOC_It == n->prev->tok) {
598: assert(n->prev->body);
599: if (NULL == n->prev->body->child)
1.45 schwarze 600: return;
601: }
602:
603: term_vspace(p);
1.162 schwarze 604: }
605:
606:
607: static int
608: termp_ll_pre(DECL_ARGS)
609: {
610:
1.163 schwarze 611: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 612: return(0);
1.1 kristaps 613: }
614:
615: static int
616: termp_it_pre(DECL_ARGS)
617: {
1.60 schwarze 618: const struct mdoc_node *bl, *nn;
1.167 schwarze 619: char buf[24];
1.166 schwarze 620: int i;
621: size_t width, offset, ncols, dcol;
1.82 schwarze 622: enum mdoc_list type;
1.1 kristaps 623:
1.60 schwarze 624: if (MDOC_BLOCK == n->type) {
1.61 schwarze 625: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 626: return(1);
627: }
1.1 kristaps 628:
1.60 schwarze 629: bl = n->parent->parent->parent;
1.121 schwarze 630: type = bl->norm->Bl.type;
1.1 kristaps 631:
1.166 schwarze 632: /*
1.68 schwarze 633: * First calculate width and offset. This is pretty easy unless
634: * we're a -column list, in which case all prior columns must
635: * be accounted for.
636: */
637:
638: width = offset = 0;
639:
1.121 schwarze 640: if (bl->norm->Bl.offs)
641: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 642:
1.1 kristaps 643: switch (type) {
1.166 schwarze 644: case LIST_column:
1.85 schwarze 645: if (MDOC_HEAD == n->type)
1.1 kristaps 646: break;
1.88 schwarze 647:
1.66 schwarze 648: /*
1.68 schwarze 649: * Imitate groff's column handling:
650: * - For each earlier column, add its width.
651: * - For less than 5 columns, add four more blanks per
652: * column.
653: * - For exactly 5 columns, add three more blank per
654: * column.
655: * - For more than 5 columns, add only one column.
1.66 schwarze 656: */
1.121 schwarze 657: ncols = bl->norm->Bl.ncols;
1.166 schwarze 658: dcol = ncols < 5 ? term_len(p, 4) :
659: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 660:
1.85 schwarze 661: /*
662: * Calculate the offset by applying all prior MDOC_BODY,
663: * so we stop at the MDOC_HEAD (NULL == nn->prev).
664: */
665:
1.166 schwarze 666: for (i = 0, nn = n->prev;
667: nn->prev && i < (int)ncols;
668: nn = nn->prev, i++)
669: offset += dcol + a2width(p,
670: bl->norm->Bl.cols[i]);
1.66 schwarze 671:
672: /*
1.68 schwarze 673: * When exceeding the declared number of columns, leave
674: * the remaining widths at 0. This will later be
675: * adjusted to the default width of 10, or, for the last
676: * column, stretched to the right margin.
1.46 schwarze 677: */
1.68 schwarze 678: if (i >= (int)ncols)
679: break;
1.46 schwarze 680:
1.66 schwarze 681: /*
1.68 schwarze 682: * Use the declared column widths, extended as explained
683: * in the preceding paragraph.
1.66 schwarze 684: */
1.121 schwarze 685: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 686: break;
687: default:
1.121 schwarze 688: if (NULL == bl->norm->Bl.width)
1.68 schwarze 689: break;
690:
1.166 schwarze 691: /*
1.68 schwarze 692: * Note: buffer the width by 2, which is groff's magic
693: * number for buffering single arguments. See the above
694: * handling for column for how this changes.
695: */
1.121 schwarze 696: assert(bl->norm->Bl.width);
697: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 698: break;
699: }
700:
1.166 schwarze 701: /*
1.1 kristaps 702: * List-type can override the width in the case of fixed-head
703: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 704: * offset.
1.1 kristaps 705: */
706:
707: switch (type) {
1.166 schwarze 708: case LIST_bullet:
1.1 kristaps 709: /* FALLTHROUGH */
1.166 schwarze 710: case LIST_dash:
1.1 kristaps 711: /* FALLTHROUGH */
1.166 schwarze 712: case LIST_hyphen:
1.144 schwarze 713: /* FALLTHROUGH */
1.166 schwarze 714: case LIST_enum:
1.144 schwarze 715: if (width < term_len(p, 2))
716: width = term_len(p, 2);
1.1 kristaps 717: break;
1.166 schwarze 718: case LIST_hang:
1.33 schwarze 719: if (0 == width)
1.89 schwarze 720: width = term_len(p, 8);
1.33 schwarze 721: break;
1.166 schwarze 722: case LIST_column:
1.41 schwarze 723: /* FALLTHROUGH */
1.166 schwarze 724: case LIST_tag:
1.1 kristaps 725: if (0 == width)
1.89 schwarze 726: width = term_len(p, 10);
1.1 kristaps 727: break;
728: default:
729: break;
730: }
731:
1.166 schwarze 732: /*
1.16 schwarze 733: * Whitespace control. Inset bodies need an initial space,
734: * while diagonal bodies need two.
1.1 kristaps 735: */
736:
1.42 schwarze 737: p->flags |= TERMP_NOSPACE;
738:
1.1 kristaps 739: switch (type) {
1.166 schwarze 740: case LIST_diag:
1.60 schwarze 741: if (MDOC_BODY == n->type)
1.48 schwarze 742: term_word(p, "\\ \\ ");
1.42 schwarze 743: break;
1.166 schwarze 744: case LIST_inset:
745: if (MDOC_BODY == n->type)
1.42 schwarze 746: term_word(p, "\\ ");
1.1 kristaps 747: break;
748: default:
749: break;
750: }
751:
1.42 schwarze 752: p->flags |= TERMP_NOSPACE;
753:
1.1 kristaps 754: switch (type) {
1.166 schwarze 755: case LIST_diag:
1.60 schwarze 756: if (MDOC_HEAD == n->type)
1.65 schwarze 757: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 758: break;
759: default:
760: break;
761: }
762:
763: /*
1.68 schwarze 764: * Pad and break control. This is the tricky part. These flags
765: * are documented in term_flushln() in term.c. Note that we're
766: * going to unset all of these flags in termp_it_post() when we
767: * exit.
1.1 kristaps 768: */
769:
770: switch (type) {
1.166 schwarze 771: case LIST_enum:
1.144 schwarze 772: /*
773: * Weird special case.
774: * Very narrow enum lists actually hang.
775: */
776: if (width == term_len(p, 2))
777: p->flags |= TERMP_HANG;
778: /* FALLTHROUGH */
1.166 schwarze 779: case LIST_bullet:
1.1 kristaps 780: /* FALLTHROUGH */
1.166 schwarze 781: case LIST_dash:
1.1 kristaps 782: /* FALLTHROUGH */
1.166 schwarze 783: case LIST_hyphen:
1.152 schwarze 784: if (MDOC_HEAD != n->type)
785: break;
786: p->flags |= TERMP_NOBREAK;
787: p->trailspace = 1;
1.33 schwarze 788: break;
1.166 schwarze 789: case LIST_hang:
1.152 schwarze 790: if (MDOC_HEAD != n->type)
1.47 schwarze 791: break;
792:
793: /*
794: * This is ugly. If `-hang' is specified and the body
795: * is a `Bl' or `Bd', then we want basically to nullify
796: * the "overstep" effect in term_flushln() and treat
797: * this as a `-ohang' list instead.
798: */
1.166 schwarze 799: if (n->next->child &&
800: (MDOC_Bl == n->next->child->tok ||
801: MDOC_Bd == n->next->child->tok))
1.152 schwarze 802: break;
803:
1.165 schwarze 804: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 805: p->trailspace = 1;
1.33 schwarze 806: break;
1.166 schwarze 807: case LIST_tag:
1.60 schwarze 808: if (MDOC_HEAD != n->type)
1.33 schwarze 809: break;
1.152 schwarze 810:
1.165 schwarze 811: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 812: p->trailspace = 2;
813:
1.60 schwarze 814: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 815: p->flags |= TERMP_DANGLE;
1.1 kristaps 816: break;
1.166 schwarze 817: case LIST_column:
1.85 schwarze 818: if (MDOC_HEAD == n->type)
819: break;
820:
1.152 schwarze 821: if (NULL == n->next) {
1.85 schwarze 822: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 823: p->trailspace = 0;
824: } else {
1.85 schwarze 825: p->flags |= TERMP_NOBREAK;
1.152 schwarze 826: p->trailspace = 1;
827: }
1.85 schwarze 828:
1.1 kristaps 829: break;
1.166 schwarze 830: case LIST_diag:
1.152 schwarze 831: if (MDOC_HEAD != n->type)
832: break;
1.165 schwarze 833: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 834: p->trailspace = 1;
1.1 kristaps 835: break;
836: default:
837: break;
838: }
839:
1.166 schwarze 840: /*
1.1 kristaps 841: * Margin control. Set-head-width lists have their right
842: * margins shortened. The body for these lists has the offset
843: * necessarily lengthened. Everybody gets the offset.
844: */
845:
846: p->offset += offset;
847:
848: switch (type) {
1.166 schwarze 849: case LIST_hang:
1.47 schwarze 850: /*
851: * Same stipulation as above, regarding `-hang'. We
852: * don't want to recalculate rmargin and offsets when
853: * using `Bd' or `Bl' within `-hang' overstep lists.
854: */
1.60 schwarze 855: if (MDOC_HEAD == n->type && n->next->child &&
1.166 schwarze 856: (MDOC_Bl == n->next->child->tok ||
857: MDOC_Bd == n->next->child->tok))
1.47 schwarze 858: break;
859: /* FALLTHROUGH */
1.166 schwarze 860: case LIST_bullet:
1.1 kristaps 861: /* FALLTHROUGH */
1.166 schwarze 862: case LIST_dash:
1.1 kristaps 863: /* FALLTHROUGH */
1.166 schwarze 864: case LIST_enum:
1.1 kristaps 865: /* FALLTHROUGH */
1.166 schwarze 866: case LIST_hyphen:
1.33 schwarze 867: /* FALLTHROUGH */
1.166 schwarze 868: case LIST_tag:
1.41 schwarze 869: assert(width);
1.60 schwarze 870: if (MDOC_HEAD == n->type)
1.1 kristaps 871: p->rmargin = p->offset + width;
1.161 schwarze 872: else {
1.1 kristaps 873: p->offset += width;
1.161 schwarze 874: if (p->rmargin < p->offset)
875: p->rmargin = p->offset;
876: }
1.1 kristaps 877: break;
1.166 schwarze 878: case LIST_column:
1.41 schwarze 879: assert(width);
1.1 kristaps 880: p->rmargin = p->offset + width;
1.166 schwarze 881: /*
1.43 schwarze 882: * XXX - this behaviour is not documented: the
883: * right-most column is filled to the right margin.
884: */
1.85 schwarze 885: if (MDOC_HEAD == n->type)
886: break;
887: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 888: p->rmargin = p->maxrmargin;
1.1 kristaps 889: break;
890: default:
891: break;
892: }
893:
1.166 schwarze 894: /*
1.1 kristaps 895: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 896: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 897: */
898:
1.60 schwarze 899: if (MDOC_HEAD == n->type)
1.1 kristaps 900: switch (type) {
1.166 schwarze 901: case LIST_bullet:
1.65 schwarze 902: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 903: term_word(p, "\\[bu]");
1.65 schwarze 904: term_fontpop(p);
1.1 kristaps 905: break;
1.166 schwarze 906: case LIST_dash:
1.1 kristaps 907: /* FALLTHROUGH */
1.166 schwarze 908: case LIST_hyphen:
1.65 schwarze 909: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 910: term_word(p, "\\(hy");
1.65 schwarze 911: term_fontpop(p);
1.1 kristaps 912: break;
1.166 schwarze 913: case LIST_enum:
1.1 kristaps 914: (pair->ppair->ppair->count)++;
1.167 schwarze 915: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 916: pair->ppair->ppair->count);
1.1 kristaps 917: term_word(p, buf);
918: break;
919: default:
920: break;
921: }
1.12 schwarze 922:
1.166 schwarze 923: /*
1.1 kristaps 924: * If we're not going to process our children, indicate so here.
925: */
926:
927: switch (type) {
1.166 schwarze 928: case LIST_bullet:
1.1 kristaps 929: /* FALLTHROUGH */
1.166 schwarze 930: case LIST_item:
1.1 kristaps 931: /* FALLTHROUGH */
1.166 schwarze 932: case LIST_dash:
1.1 kristaps 933: /* FALLTHROUGH */
1.166 schwarze 934: case LIST_hyphen:
1.1 kristaps 935: /* FALLTHROUGH */
1.166 schwarze 936: case LIST_enum:
1.60 schwarze 937: if (MDOC_HEAD == n->type)
1.1 kristaps 938: return(0);
939: break;
1.166 schwarze 940: case LIST_column:
1.85 schwarze 941: if (MDOC_HEAD == n->type)
1.1 kristaps 942: return(0);
943: break;
944: default:
945: break;
946: }
947:
948: return(1);
949: }
950:
951: static void
952: termp_it_post(DECL_ARGS)
953: {
1.82 schwarze 954: enum mdoc_list type;
1.1 kristaps 955:
1.68 schwarze 956: if (MDOC_BLOCK == n->type)
1.1 kristaps 957: return;
958:
1.121 schwarze 959: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 960:
961: switch (type) {
1.166 schwarze 962: case LIST_item:
1.44 schwarze 963: /* FALLTHROUGH */
1.166 schwarze 964: case LIST_diag:
1.1 kristaps 965: /* FALLTHROUGH */
1.166 schwarze 966: case LIST_inset:
1.60 schwarze 967: if (MDOC_BODY == n->type)
1.74 schwarze 968: term_newln(p);
1.1 kristaps 969: break;
1.166 schwarze 970: case LIST_column:
1.85 schwarze 971: if (MDOC_BODY == n->type)
1.1 kristaps 972: term_flushln(p);
973: break;
974: default:
1.74 schwarze 975: term_newln(p);
1.1 kristaps 976: break;
977: }
978:
1.166 schwarze 979: /*
1.68 schwarze 980: * Now that our output is flushed, we can reset our tags. Since
981: * only `It' sets these flags, we're free to assume that nobody
982: * has munged them in the meanwhile.
983: */
984:
1.165 schwarze 985: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
986: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 987: p->trailspace = 0;
1.1 kristaps 988: }
989:
990: static int
991: termp_nm_pre(DECL_ARGS)
992: {
993:
1.155 schwarze 994: if (MDOC_BLOCK == n->type) {
995: p->flags |= TERMP_PREKEEP;
1.94 schwarze 996: return(1);
1.155 schwarze 997: }
1.94 schwarze 998:
999: if (MDOC_BODY == n->type) {
1000: if (NULL == n->child)
1001: return(0);
1.136 schwarze 1002: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1003: p->offset += term_len(p, 1) +
1.147 schwarze 1004: (NULL == n->prev->child ?
1005: term_strlen(p, meta->name) :
1.94 schwarze 1006: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1007: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1008: term_len(p, 5));
1.164 schwarze 1009: if (p->rmargin < p->offset)
1010: p->rmargin = p->offset;
1.94 schwarze 1011: return(1);
1012: }
1013:
1.147 schwarze 1014: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1015: return(0);
1.81 schwarze 1016:
1.97 schwarze 1017: if (MDOC_HEAD == n->type)
1018: synopsis_pre(p, n->parent);
1.65 schwarze 1019:
1.94 schwarze 1020: if (MDOC_HEAD == n->type && n->next->child) {
1.165 schwarze 1021: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1022: p->trailspace = 1;
1.105 schwarze 1023: p->rmargin = p->offset + term_len(p, 1);
1024: if (NULL == n->child) {
1.147 schwarze 1025: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1026: } else if (MDOC_TEXT == n->child->type) {
1027: p->rmargin += term_strlen(p, n->child->string);
1028: if (n->child->next)
1029: p->flags |= TERMP_HANG;
1030: } else {
1031: p->rmargin += term_len(p, 5);
1032: p->flags |= TERMP_HANG;
1033: }
1.94 schwarze 1034: }
1035:
1.65 schwarze 1036: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1037: if (NULL == n->child)
1.147 schwarze 1038: term_word(p, meta->name);
1.1 kristaps 1039: return(1);
1040: }
1041:
1.94 schwarze 1042: static void
1043: termp_nm_post(DECL_ARGS)
1044: {
1045:
1.155 schwarze 1046: if (MDOC_BLOCK == n->type) {
1047: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1048: } else if (MDOC_HEAD == n->type && n->next->child) {
1.94 schwarze 1049: term_flushln(p);
1.165 schwarze 1050: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1051: p->trailspace = 0;
1.136 schwarze 1052: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1053: term_flushln(p);
1054: }
1055:
1.1 kristaps 1056: static int
1057: termp_fl_pre(DECL_ARGS)
1058: {
1059:
1.65 schwarze 1060: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1061: term_word(p, "\\-");
1.67 schwarze 1062:
1063: if (n->child)
1064: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1065: else if (n->next && n->next->line == n->line)
1066: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1067:
1.1 kristaps 1068: return(1);
1.49 schwarze 1069: }
1070:
1071: static int
1.104 schwarze 1072: termp__a_pre(DECL_ARGS)
1073: {
1074:
1075: if (n->prev && MDOC__A == n->prev->tok)
1076: if (NULL == n->next || MDOC__A != n->next->tok)
1077: term_word(p, "and");
1078:
1079: return(1);
1080: }
1081:
1082: static int
1.49 schwarze 1083: termp_an_pre(DECL_ARGS)
1084: {
1085:
1.60 schwarze 1086: if (NULL == n->child)
1.49 schwarze 1087: return(1);
1088:
1089: /*
1.60 schwarze 1090: * If not in the AUTHORS section, `An -split' will cause
1091: * newlines to occur before the author name. If in the AUTHORS
1092: * section, by default, the first `An' invocation is nosplit,
1093: * then all subsequent ones, regardless of whether interspersed
1094: * with other macros/text, are split. -split, in this case,
1095: * will override the condition of the implied first -nosplit.
1.49 schwarze 1096: */
1.166 schwarze 1097:
1.60 schwarze 1098: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1099: if ( ! (TERMP_ANPREC & p->flags)) {
1100: if (TERMP_SPLIT & p->flags)
1101: term_newln(p);
1102: return(1);
1103: }
1104: if (TERMP_NOSPLIT & p->flags)
1105: return(1);
1106: term_newln(p);
1107: return(1);
1108: }
1109:
1110: if (TERMP_SPLIT & p->flags)
1111: term_newln(p);
1112:
1113: return(1);
1114: }
1115:
1116: static void
1117: termp_an_post(DECL_ARGS)
1118: {
1119:
1.60 schwarze 1120: if (n->child) {
1121: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1122: p->flags |= TERMP_ANPREC;
1123: return;
1124: }
1125:
1.121 schwarze 1126: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1127: p->flags &= ~TERMP_NOSPLIT;
1128: p->flags |= TERMP_SPLIT;
1.121 schwarze 1129: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1130: p->flags &= ~TERMP_SPLIT;
1131: p->flags |= TERMP_NOSPLIT;
1132: }
1133:
1.1 kristaps 1134: }
1135:
1136: static int
1137: termp_ns_pre(DECL_ARGS)
1138: {
1139:
1.127 schwarze 1140: if ( ! (MDOC_LINE & n->flags))
1141: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1142: return(1);
1143: }
1144:
1145: static int
1146: termp_rs_pre(DECL_ARGS)
1147: {
1148:
1.60 schwarze 1149: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1150: return(1);
1.60 schwarze 1151: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1152: term_vspace(p);
1153: return(1);
1154: }
1155:
1156: static int
1157: termp_rv_pre(DECL_ARGS)
1158: {
1.132 schwarze 1159: int nchild;
1.1 kristaps 1160:
1161: term_newln(p);
1162: term_word(p, "The");
1163:
1.132 schwarze 1164: nchild = n->nchild;
1165: for (n = n->child; n; n = n->next) {
1.65 schwarze 1166: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1167: term_word(p, n->string);
1.65 schwarze 1168: term_fontpop(p);
1.132 schwarze 1169:
1.53 schwarze 1170: p->flags |= TERMP_NOSPACE;
1.132 schwarze 1171: term_word(p, "()");
1172:
1173: if (nchild > 2 && n->next) {
1174: p->flags |= TERMP_NOSPACE;
1175: term_word(p, ",");
1176: }
1177:
1178: if (n->next && NULL == n->next->next)
1179: term_word(p, "and");
1.53 schwarze 1180: }
1181:
1.132 schwarze 1182: if (nchild > 1)
1.53 schwarze 1183: term_word(p, "functions return");
1184: else
1185: term_word(p, "function returns");
1.1 kristaps 1186:
1.166 schwarze 1187: term_word(p, "the value 0 if successful; otherwise the "
1188: "value -1 is returned and the global variable");
1.1 kristaps 1189:
1.65 schwarze 1190: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1191: term_word(p, "errno");
1.65 schwarze 1192: term_fontpop(p);
1.1 kristaps 1193:
1.166 schwarze 1194: term_word(p, "is set to indicate the error.");
1.84 schwarze 1195: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1196:
1.53 schwarze 1197: return(0);
1.1 kristaps 1198: }
1199:
1200: static int
1201: termp_ex_pre(DECL_ARGS)
1202: {
1.132 schwarze 1203: int nchild;
1.1 kristaps 1204:
1.132 schwarze 1205: term_newln(p);
1.53 schwarze 1206: term_word(p, "The");
1.1 kristaps 1207:
1.132 schwarze 1208: nchild = n->nchild;
1209: for (n = n->child; n; n = n->next) {
1.65 schwarze 1210: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1211: term_word(p, n->string);
1.65 schwarze 1212: term_fontpop(p);
1.132 schwarze 1213:
1214: if (nchild > 2 && n->next) {
1215: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1216: term_word(p, ",");
1.132 schwarze 1217: }
1218:
1219: if (n->next && NULL == n->next->next)
1220: term_word(p, "and");
1.53 schwarze 1221: }
1222:
1.132 schwarze 1223: if (nchild > 1)
1.53 schwarze 1224: term_word(p, "utilities exit");
1225: else
1226: term_word(p, "utility exits");
1227:
1.166 schwarze 1228: term_word(p, "0 on success, and >0 if an error occurs.");
1.132 schwarze 1229:
1.84 schwarze 1230: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1231: return(0);
1.1 kristaps 1232: }
1233:
1234: static int
1235: termp_nd_pre(DECL_ARGS)
1236: {
1.25 schwarze 1237:
1.60 schwarze 1238: if (MDOC_BODY != n->type)
1.25 schwarze 1239: return(1);
1240:
1241: #if defined(__OpenBSD__) || defined(__linux__)
1242: term_word(p, "\\(en");
1.24 schwarze 1243: #else
1244: term_word(p, "\\(em");
1245: #endif
1.1 kristaps 1246: return(1);
1247: }
1248:
1.73 schwarze 1249: static int
1250: termp_bl_pre(DECL_ARGS)
1251: {
1252:
1253: return(MDOC_HEAD != n->type);
1254: }
1255:
1.1 kristaps 1256: static void
1257: termp_bl_post(DECL_ARGS)
1258: {
1259:
1.60 schwarze 1260: if (MDOC_BLOCK == n->type)
1.1 kristaps 1261: term_newln(p);
1262: }
1263:
1264: static int
1265: termp_xr_pre(DECL_ARGS)
1266: {
1267:
1.132 schwarze 1268: if (NULL == (n = n->child))
1.72 schwarze 1269: return(0);
1270:
1.132 schwarze 1271: assert(MDOC_TEXT == n->type);
1272: term_word(p, n->string);
1.10 schwarze 1273:
1.166 schwarze 1274: if (NULL == (n = n->next))
1.1 kristaps 1275: return(0);
1.132 schwarze 1276:
1.1 kristaps 1277: p->flags |= TERMP_NOSPACE;
1278: term_word(p, "(");
1.132 schwarze 1279: p->flags |= TERMP_NOSPACE;
1280:
1281: assert(MDOC_TEXT == n->type);
1282: term_word(p, n->string);
1283:
1284: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1285: term_word(p, ")");
1.60 schwarze 1286:
1.1 kristaps 1287: return(0);
1288: }
1289:
1.86 schwarze 1290: /*
1291: * This decides how to assert whitespace before any of the SYNOPSIS set
1292: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1293: * macro combos).
1294: */
1295: static void
1296: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1297: {
1.166 schwarze 1298: /*
1.86 schwarze 1299: * Obviously, if we're not in a SYNOPSIS or no prior macros
1300: * exist, do nothing.
1301: */
1.92 schwarze 1302: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1303: return;
1304:
1305: /*
1306: * If we're the second in a pair of like elements, emit our
1307: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1308: * case we soldier on.
1309: */
1.166 schwarze 1310: if (n->prev->tok == n->tok &&
1311: MDOC_Ft != n->tok &&
1312: MDOC_Fo != n->tok &&
1313: MDOC_Fn != n->tok) {
1.86 schwarze 1314: term_newln(p);
1315: return;
1316: }
1317:
1318: /*
1319: * If we're one of the SYNOPSIS set and non-like pair-wise after
1320: * another (or Fn/Fo, which we've let slip through) then assert
1321: * vertical space, else only newline and move on.
1322: */
1323: switch (n->prev->tok) {
1.166 schwarze 1324: case MDOC_Fd:
1.86 schwarze 1325: /* FALLTHROUGH */
1.166 schwarze 1326: case MDOC_Fn:
1.86 schwarze 1327: /* FALLTHROUGH */
1.166 schwarze 1328: case MDOC_Fo:
1.86 schwarze 1329: /* FALLTHROUGH */
1.166 schwarze 1330: case MDOC_In:
1.86 schwarze 1331: /* FALLTHROUGH */
1.166 schwarze 1332: case MDOC_Vt:
1.86 schwarze 1333: term_vspace(p);
1334: break;
1.166 schwarze 1335: case MDOC_Ft:
1.86 schwarze 1336: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1337: term_vspace(p);
1338: break;
1339: }
1340: /* FALLTHROUGH */
1341: default:
1342: term_newln(p);
1343: break;
1344: }
1345: }
1346:
1.69 schwarze 1347: static int
1348: termp_vt_pre(DECL_ARGS)
1349: {
1350:
1.86 schwarze 1351: if (MDOC_ELEM == n->type) {
1352: synopsis_pre(p, n);
1.147 schwarze 1353: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1354: } else if (MDOC_BLOCK == n->type) {
1355: synopsis_pre(p, n);
1356: return(1);
1357: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1358: return(0);
1359:
1.147 schwarze 1360: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1361: }
1362:
1.1 kristaps 1363: static int
1.54 schwarze 1364: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1365: {
1366:
1.65 schwarze 1367: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1368: return(1);
1369: }
1370:
1.86 schwarze 1371: static int
1372: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1373: {
1374:
1.86 schwarze 1375: synopsis_pre(p, n);
1.147 schwarze 1376: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1377: }
1378:
1.143 schwarze 1379: static void
1380: termp_fd_post(DECL_ARGS)
1381: {
1382:
1383: term_newln(p);
1384: }
1385:
1.1 kristaps 1386: static int
1387: termp_sh_pre(DECL_ARGS)
1388: {
1.60 schwarze 1389:
1390: /* No vspace between consecutive `Sh' calls. */
1391:
1392: switch (n->type) {
1.166 schwarze 1393: case MDOC_BLOCK:
1.60 schwarze 1394: if (n->prev && MDOC_Sh == n->prev->tok)
1395: if (NULL == n->prev->body->child)
1.52 schwarze 1396: break;
1397: term_vspace(p);
1398: break;
1.166 schwarze 1399: case MDOC_HEAD:
1.65 schwarze 1400: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1401: break;
1.166 schwarze 1402: case MDOC_BODY:
1.140 schwarze 1403: p->offset = term_len(p, p->defindent);
1.141 schwarze 1404: if (SEC_AUTHORS == n->sec)
1405: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1406: break;
1407: default:
1408: break;
1409: }
1410: return(1);
1411: }
1412:
1413: static void
1414: termp_sh_post(DECL_ARGS)
1415: {
1416:
1.60 schwarze 1417: switch (n->type) {
1.166 schwarze 1418: case MDOC_HEAD:
1.1 kristaps 1419: term_newln(p);
1420: break;
1.166 schwarze 1421: case MDOC_BODY:
1.1 kristaps 1422: term_newln(p);
1423: p->offset = 0;
1424: break;
1425: default:
1426: break;
1427: }
1428: }
1429:
1430: static int
1431: termp_bt_pre(DECL_ARGS)
1432: {
1433:
1434: term_word(p, "is currently in beta test.");
1.84 schwarze 1435: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1436: return(0);
1.1 kristaps 1437: }
1438:
1439: static void
1440: termp_lb_post(DECL_ARGS)
1441: {
1442:
1.77 schwarze 1443: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1444: term_newln(p);
1.1 kristaps 1445: }
1446:
1447: static int
1448: termp_ud_pre(DECL_ARGS)
1449: {
1450:
1451: term_word(p, "currently under development.");
1.84 schwarze 1452: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1453: return(0);
1.1 kristaps 1454: }
1455:
1456: static int
1457: termp_d1_pre(DECL_ARGS)
1458: {
1459:
1.60 schwarze 1460: if (MDOC_BLOCK != n->type)
1.1 kristaps 1461: return(1);
1462: term_newln(p);
1.140 schwarze 1463: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1464: return(1);
1465: }
1466:
1467: static int
1468: termp_ft_pre(DECL_ARGS)
1469: {
1470:
1.85 schwarze 1471: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1472: synopsis_pre(p, n);
1.65 schwarze 1473: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1474: return(1);
1475: }
1476:
1477: static int
1478: termp_fn_pre(DECL_ARGS)
1479: {
1.159 schwarze 1480: size_t rmargin = 0;
1.132 schwarze 1481: int pretty;
1482:
1483: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1484:
1.86 schwarze 1485: synopsis_pre(p, n);
1.85 schwarze 1486:
1.132 schwarze 1487: if (NULL == (n = n->child))
1488: return(0);
1489:
1.153 schwarze 1490: if (pretty) {
1491: rmargin = p->rmargin;
1.159 schwarze 1492: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1493: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1494: }
1495:
1.132 schwarze 1496: assert(MDOC_TEXT == n->type);
1.65 schwarze 1497: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1498: term_word(p, n->string);
1.65 schwarze 1499: term_fontpop(p);
1.1 kristaps 1500:
1.153 schwarze 1501: if (pretty) {
1502: term_flushln(p);
1.165 schwarze 1503: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1504: p->offset = p->rmargin;
1505: p->rmargin = rmargin;
1506: }
1507:
1.1 kristaps 1508: p->flags |= TERMP_NOSPACE;
1509: term_word(p, "(");
1.132 schwarze 1510: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1511:
1.132 schwarze 1512: for (n = n->next; n; n = n->next) {
1513: assert(MDOC_TEXT == n->type);
1.65 schwarze 1514: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1515: if (pretty)
1516: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1517: term_word(p, n->string);
1.65 schwarze 1518: term_fontpop(p);
1519:
1.132 schwarze 1520: if (n->next) {
1521: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1522: term_word(p, ",");
1.132 schwarze 1523: }
1.1 kristaps 1524: }
1525:
1.132 schwarze 1526: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1527: term_word(p, ")");
1528:
1.132 schwarze 1529: if (pretty) {
1530: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1531: term_word(p, ";");
1.153 schwarze 1532: term_flushln(p);
1.132 schwarze 1533: }
1.1 kristaps 1534:
1535: return(0);
1536: }
1537:
1538: static int
1539: termp_fa_pre(DECL_ARGS)
1540: {
1.60 schwarze 1541: const struct mdoc_node *nn;
1.1 kristaps 1542:
1.60 schwarze 1543: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1544: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1545: return(1);
1546: }
1547:
1.60 schwarze 1548: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1549: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1550: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1551: term_word(p, nn->string);
1.65 schwarze 1552: term_fontpop(p);
1553:
1.158 schwarze 1554: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1555: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1556: term_word(p, ",");
1.132 schwarze 1557: }
1.1 kristaps 1558: }
1559:
1560: return(0);
1561: }
1562:
1563: static int
1564: termp_bd_pre(DECL_ARGS)
1565: {
1.99 schwarze 1566: size_t tabwidth, rm, rmax;
1.146 schwarze 1567: struct mdoc_node *nn;
1.1 kristaps 1568:
1.60 schwarze 1569: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1570: print_bvspace(p, n, n);
1.45 schwarze 1571: return(1);
1.73 schwarze 1572: } else if (MDOC_HEAD == n->type)
1573: return(0);
1.1 kristaps 1574:
1.121 schwarze 1575: if (n->norm->Bd.offs)
1576: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1577:
1578: /*
1579: * If -ragged or -filled are specified, the block does nothing
1580: * but change the indentation. If -unfilled or -literal are
1581: * specified, text is printed exactly as entered in the display:
1582: * for macro lines, a newline is appended to the line. Blank
1583: * lines are allowed.
1584: */
1.166 schwarze 1585:
1586: if (DISP_literal != n->norm->Bd.type &&
1587: DISP_unfilled != n->norm->Bd.type)
1.1 kristaps 1588: return(1);
1589:
1.75 schwarze 1590: tabwidth = p->tabwidth;
1.123 schwarze 1591: if (DISP_literal == n->norm->Bd.type)
1592: p->tabwidth = term_len(p, 8);
1593:
1.77 schwarze 1594: rm = p->rmargin;
1595: rmax = p->maxrmargin;
1596: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1597:
1.60 schwarze 1598: for (nn = n->child; nn; nn = nn->next) {
1.147 schwarze 1599: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1600: /*
1601: * If the printed node flushes its own line, then we
1602: * needn't do it here as well. This is hacky, but the
1603: * notion of selective eoln whitespace is pretty dumb
1604: * anyway, so don't sweat it.
1605: */
1606: switch (nn->tok) {
1.166 schwarze 1607: case MDOC_Sm:
1.112 schwarze 1608: /* FALLTHROUGH */
1.166 schwarze 1609: case MDOC_br:
1.108 schwarze 1610: /* FALLTHROUGH */
1.166 schwarze 1611: case MDOC_sp:
1.108 schwarze 1612: /* FALLTHROUGH */
1.166 schwarze 1613: case MDOC_Bl:
1.115 schwarze 1614: /* FALLTHROUGH */
1.166 schwarze 1615: case MDOC_D1:
1.115 schwarze 1616: /* FALLTHROUGH */
1.166 schwarze 1617: case MDOC_Dl:
1.108 schwarze 1618: /* FALLTHROUGH */
1.166 schwarze 1619: case MDOC_Lp:
1.108 schwarze 1620: /* FALLTHROUGH */
1.166 schwarze 1621: case MDOC_Pp:
1.108 schwarze 1622: continue;
1623: default:
1624: break;
1625: }
1.100 schwarze 1626: if (nn->next && nn->next->line == nn->line)
1627: continue;
1628: term_flushln(p);
1.48 schwarze 1629: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1630: }
1.88 schwarze 1631:
1.75 schwarze 1632: p->tabwidth = tabwidth;
1.77 schwarze 1633: p->rmargin = rm;
1634: p->maxrmargin = rmax;
1.1 kristaps 1635: return(0);
1636: }
1637:
1638: static void
1639: termp_bd_post(DECL_ARGS)
1640: {
1.77 schwarze 1641: size_t rm, rmax;
1.1 kristaps 1642:
1.166 schwarze 1643: if (MDOC_BODY != n->type)
1.1 kristaps 1644: return;
1.77 schwarze 1645:
1646: rm = p->rmargin;
1647: rmax = p->maxrmargin;
1648:
1.166 schwarze 1649: if (DISP_literal == n->norm->Bd.type ||
1650: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1651: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1652:
1.48 schwarze 1653: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1654: term_newln(p);
1.77 schwarze 1655:
1656: p->rmargin = rm;
1657: p->maxrmargin = rmax;
1.1 kristaps 1658: }
1659:
1.126 schwarze 1660: static int
1661: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1662: {
1663:
1.126 schwarze 1664: if (NULL != (n = n->child)) {
1665: term_word(p, n->string);
1666: p->flags |= TERMP_NOSPACE;
1667: term_word(p, "BSD");
1668: } else {
1669: term_word(p, "BSD");
1670: return(0);
1671: }
1672:
1673: if (NULL != (n = n->next)) {
1674: p->flags |= TERMP_NOSPACE;
1675: term_word(p, "-");
1.1 kristaps 1676: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1677: term_word(p, n->string);
1678: }
1679:
1680: return(0);
1.1 kristaps 1681: }
1682:
1683: static int
1.26 schwarze 1684: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1685: {
1.26 schwarze 1686: const char *pp;
1.129 schwarze 1687: int flags;
1.1 kristaps 1688:
1.26 schwarze 1689: pp = NULL;
1.60 schwarze 1690: switch (n->tok) {
1.166 schwarze 1691: case MDOC_Bsx:
1.113 schwarze 1692: pp = "BSD/OS";
1.26 schwarze 1693: break;
1.166 schwarze 1694: case MDOC_Dx:
1.64 schwarze 1695: pp = "DragonFly";
1.26 schwarze 1696: break;
1.166 schwarze 1697: case MDOC_Fx:
1.26 schwarze 1698: pp = "FreeBSD";
1699: break;
1.166 schwarze 1700: case MDOC_Nx:
1.26 schwarze 1701: pp = "NetBSD";
1702: break;
1.166 schwarze 1703: case MDOC_Ox:
1.26 schwarze 1704: pp = "OpenBSD";
1705: break;
1.166 schwarze 1706: case MDOC_Ux:
1.26 schwarze 1707: pp = "UNIX";
1708: break;
1709: default:
1.148 schwarze 1710: abort();
1711: /* NOTREACHED */
1.26 schwarze 1712: }
1.1 kristaps 1713:
1.26 schwarze 1714: term_word(p, pp);
1.129 schwarze 1715: if (n->child) {
1716: flags = p->flags;
1717: p->flags |= TERMP_KEEP;
1718: term_word(p, n->child->string);
1719: p->flags = flags;
1720: }
1721: return(0);
1.1 kristaps 1722: }
1723:
1724: static void
1725: termp_pf_post(DECL_ARGS)
1726: {
1727:
1728: p->flags |= TERMP_NOSPACE;
1729: }
1730:
1731: static int
1732: termp_ss_pre(DECL_ARGS)
1733: {
1734:
1.60 schwarze 1735: switch (n->type) {
1.166 schwarze 1736: case MDOC_BLOCK:
1.1 kristaps 1737: term_newln(p);
1.60 schwarze 1738: if (n->prev)
1.1 kristaps 1739: term_vspace(p);
1740: break;
1.166 schwarze 1741: case MDOC_HEAD:
1.65 schwarze 1742: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1743: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1744: break;
1745: default:
1746: break;
1747: }
1748:
1749: return(1);
1750: }
1751:
1752: static void
1753: termp_ss_post(DECL_ARGS)
1754: {
1755:
1.60 schwarze 1756: if (MDOC_HEAD == n->type)
1.1 kristaps 1757: term_newln(p);
1758: }
1759:
1760: static int
1761: termp_cd_pre(DECL_ARGS)
1762: {
1763:
1.86 schwarze 1764: synopsis_pre(p, n);
1.65 schwarze 1765: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1766: return(1);
1767: }
1768:
1769: static int
1770: termp_in_pre(DECL_ARGS)
1771: {
1772:
1.86 schwarze 1773: synopsis_pre(p, n);
1.85 schwarze 1774:
1.92 schwarze 1775: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1776: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1777: term_word(p, "#include");
1.85 schwarze 1778: term_word(p, "<");
1779: } else {
1780: term_word(p, "<");
1781: term_fontpush(p, TERMFONT_UNDER);
1782: }
1.23 schwarze 1783:
1.1 kristaps 1784: p->flags |= TERMP_NOSPACE;
1785: return(1);
1786: }
1787:
1788: static void
1789: termp_in_post(DECL_ARGS)
1790: {
1791:
1.92 schwarze 1792: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1793: term_fontpush(p, TERMFONT_BOLD);
1794:
1.59 schwarze 1795: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1796: term_word(p, ">");
1797:
1.92 schwarze 1798: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1799: term_fontpop(p);
1.38 schwarze 1800: }
1801:
1802: static int
1803: termp_sp_pre(DECL_ARGS)
1804: {
1.61 schwarze 1805: size_t i, len;
1.38 schwarze 1806:
1.60 schwarze 1807: switch (n->tok) {
1.166 schwarze 1808: case MDOC_sp:
1.89 schwarze 1809: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1810: break;
1.166 schwarze 1811: case MDOC_br:
1.54 schwarze 1812: len = 0;
1813: break;
1814: default:
1815: len = 1;
1816: break;
1.38 schwarze 1817: }
1818:
1819: if (0 == len)
1820: term_newln(p);
1821: for (i = 0; i < len; i++)
1822: term_vspace(p);
1823:
1824: return(0);
1825: }
1826:
1827: static int
1.107 schwarze 1828: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1829: {
1830:
1.120 schwarze 1831: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1832: return(1);
1833:
1.107 schwarze 1834: switch (n->tok) {
1.166 schwarze 1835: case MDOC_Ao:
1.107 schwarze 1836: /* FALLTHROUGH */
1.166 schwarze 1837: case MDOC_Aq:
1.107 schwarze 1838: term_word(p, "<");
1839: break;
1.166 schwarze 1840: case MDOC_Bro:
1.107 schwarze 1841: /* FALLTHROUGH */
1.166 schwarze 1842: case MDOC_Brq:
1.107 schwarze 1843: term_word(p, "{");
1844: break;
1.166 schwarze 1845: case MDOC_Oo:
1.107 schwarze 1846: /* FALLTHROUGH */
1.166 schwarze 1847: case MDOC_Op:
1.107 schwarze 1848: /* FALLTHROUGH */
1.166 schwarze 1849: case MDOC_Bo:
1.107 schwarze 1850: /* FALLTHROUGH */
1.166 schwarze 1851: case MDOC_Bq:
1.107 schwarze 1852: term_word(p, "[");
1853: break;
1.166 schwarze 1854: case MDOC_Do:
1.107 schwarze 1855: /* FALLTHROUGH */
1.166 schwarze 1856: case MDOC_Dq:
1.151 schwarze 1857: term_word(p, "\\(lq");
1.107 schwarze 1858: break;
1.166 schwarze 1859: case MDOC_Eo:
1.139 schwarze 1860: break;
1.166 schwarze 1861: case MDOC_Po:
1.107 schwarze 1862: /* FALLTHROUGH */
1.166 schwarze 1863: case MDOC_Pq:
1.107 schwarze 1864: term_word(p, "(");
1865: break;
1.166 schwarze 1866: case MDOC__T:
1.120 schwarze 1867: /* FALLTHROUGH */
1.166 schwarze 1868: case MDOC_Qo:
1.107 schwarze 1869: /* FALLTHROUGH */
1.166 schwarze 1870: case MDOC_Qq:
1.107 schwarze 1871: term_word(p, "\"");
1872: break;
1.166 schwarze 1873: case MDOC_Ql:
1.107 schwarze 1874: /* FALLTHROUGH */
1.166 schwarze 1875: case MDOC_So:
1.107 schwarze 1876: /* FALLTHROUGH */
1.166 schwarze 1877: case MDOC_Sq:
1.151 schwarze 1878: term_word(p, "\\(oq");
1.107 schwarze 1879: break;
1880: default:
1881: abort();
1882: /* NOTREACHED */
1883: }
1.1 kristaps 1884:
1885: p->flags |= TERMP_NOSPACE;
1886: return(1);
1887: }
1888:
1889: static void
1.107 schwarze 1890: termp_quote_post(DECL_ARGS)
1.1 kristaps 1891: {
1892:
1.120 schwarze 1893: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1894: return;
1895:
1896: p->flags |= TERMP_NOSPACE;
1897:
1.107 schwarze 1898: switch (n->tok) {
1.166 schwarze 1899: case MDOC_Ao:
1.107 schwarze 1900: /* FALLTHROUGH */
1.166 schwarze 1901: case MDOC_Aq:
1.107 schwarze 1902: term_word(p, ">");
1903: break;
1.166 schwarze 1904: case MDOC_Bro:
1.107 schwarze 1905: /* FALLTHROUGH */
1.166 schwarze 1906: case MDOC_Brq:
1.107 schwarze 1907: term_word(p, "}");
1908: break;
1.166 schwarze 1909: case MDOC_Oo:
1.107 schwarze 1910: /* FALLTHROUGH */
1.166 schwarze 1911: case MDOC_Op:
1.107 schwarze 1912: /* FALLTHROUGH */
1.166 schwarze 1913: case MDOC_Bo:
1.107 schwarze 1914: /* FALLTHROUGH */
1.166 schwarze 1915: case MDOC_Bq:
1.107 schwarze 1916: term_word(p, "]");
1917: break;
1.166 schwarze 1918: case MDOC_Do:
1.107 schwarze 1919: /* FALLTHROUGH */
1.166 schwarze 1920: case MDOC_Dq:
1.151 schwarze 1921: term_word(p, "\\(rq");
1.139 schwarze 1922: break;
1.166 schwarze 1923: case MDOC_Eo:
1.107 schwarze 1924: break;
1.166 schwarze 1925: case MDOC_Po:
1.107 schwarze 1926: /* FALLTHROUGH */
1.166 schwarze 1927: case MDOC_Pq:
1.107 schwarze 1928: term_word(p, ")");
1929: break;
1.166 schwarze 1930: case MDOC__T:
1.120 schwarze 1931: /* FALLTHROUGH */
1.166 schwarze 1932: case MDOC_Qo:
1.107 schwarze 1933: /* FALLTHROUGH */
1.166 schwarze 1934: case MDOC_Qq:
1.107 schwarze 1935: term_word(p, "\"");
1936: break;
1.166 schwarze 1937: case MDOC_Ql:
1.107 schwarze 1938: /* FALLTHROUGH */
1.166 schwarze 1939: case MDOC_So:
1.107 schwarze 1940: /* FALLTHROUGH */
1.166 schwarze 1941: case MDOC_Sq:
1.151 schwarze 1942: term_word(p, "\\(cq");
1.107 schwarze 1943: break;
1944: default:
1945: abort();
1946: /* NOTREACHED */
1947: }
1.1 kristaps 1948: }
1949:
1950: static int
1951: termp_fo_pre(DECL_ARGS)
1952: {
1.159 schwarze 1953: size_t rmargin = 0;
1.158 schwarze 1954: int pretty;
1955:
1956: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1957:
1.85 schwarze 1958: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1959: synopsis_pre(p, n);
1.85 schwarze 1960: return(1);
1961: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1962: if (pretty) {
1963: rmargin = p->rmargin;
1.159 schwarze 1964: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1965: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1966: TERMP_HANG;
1.158 schwarze 1967: }
1.31 schwarze 1968: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1969: term_word(p, "(");
1.132 schwarze 1970: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1971: if (pretty) {
1972: term_flushln(p);
1.165 schwarze 1973: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1974: TERMP_HANG);
1.158 schwarze 1975: p->offset = p->rmargin;
1976: p->rmargin = rmargin;
1977: }
1.1 kristaps 1978: return(1);
1.158 schwarze 1979: }
1.85 schwarze 1980:
1.95 schwarze 1981: if (NULL == n->child)
1982: return(0);
1983:
1.85 schwarze 1984: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1985:
1.85 schwarze 1986: assert(n->child->string);
1.65 schwarze 1987: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1988: term_word(p, n->child->string);
1.1 kristaps 1989: return(0);
1990: }
1991:
1992: static void
1993: termp_fo_post(DECL_ARGS)
1994: {
1995:
1.166 schwarze 1996: if (MDOC_BODY != n->type)
1.86 schwarze 1997: return;
1998:
1.132 schwarze 1999: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2000: term_word(p, ")");
2001:
1.132 schwarze 2002: if (MDOC_SYNPRETTY & n->flags) {
2003: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2004: term_word(p, ";");
1.158 schwarze 2005: term_flushln(p);
1.132 schwarze 2006: }
1.1 kristaps 2007: }
2008:
2009: static int
2010: termp_bf_pre(DECL_ARGS)
2011: {
2012:
1.60 schwarze 2013: if (MDOC_HEAD == n->type)
1.1 kristaps 2014: return(0);
1.146 schwarze 2015: else if (MDOC_BODY != n->type)
1.1 kristaps 2016: return(1);
2017:
1.166 schwarze 2018: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2019: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2020: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2021: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2022: else
1.65 schwarze 2023: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2024:
2025: return(1);
2026: }
2027:
2028: static int
2029: termp_sm_pre(DECL_ARGS)
2030: {
2031:
1.60 schwarze 2032: assert(n->child && MDOC_TEXT == n->child->type);
1.96 schwarze 2033: if (0 == strcmp("on", n->child->string)) {
2034: if (p->col)
2035: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2036: p->flags &= ~TERMP_NONOSPACE;
1.96 schwarze 2037: } else
1.1 kristaps 2038: p->flags |= TERMP_NONOSPACE;
2039:
2040: return(0);
2041: }
2042:
2043: static int
2044: termp_ap_pre(DECL_ARGS)
2045: {
2046:
2047: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2048: term_word(p, "'");
1.1 kristaps 2049: p->flags |= TERMP_NOSPACE;
2050: return(1);
2051: }
2052:
2053: static void
2054: termp____post(DECL_ARGS)
2055: {
1.104 schwarze 2056:
2057: /*
2058: * Handle lists of authors. In general, print each followed by
2059: * a comma. Don't print the comma if there are only two
2060: * authors.
2061: */
2062: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2063: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2064: if (NULL == n->prev || MDOC__A != n->prev->tok)
2065: return;
1.1 kristaps 2066:
1.62 schwarze 2067: /* TODO: %U. */
2068:
1.106 schwarze 2069: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2070: return;
2071:
1.132 schwarze 2072: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2073: if (NULL == n->next) {
2074: term_word(p, ".");
2075: p->flags |= TERMP_SENTENCE;
2076: } else
2077: term_word(p, ",");
1.1 kristaps 2078: }
2079:
2080: static int
1.65 schwarze 2081: termp_li_pre(DECL_ARGS)
2082: {
2083:
2084: term_fontpush(p, TERMFONT_NONE);
2085: return(1);
2086: }
2087:
2088: static int
1.1 kristaps 2089: termp_lk_pre(DECL_ARGS)
2090: {
1.142 schwarze 2091: const struct mdoc_node *link, *descr;
1.1 kristaps 2092:
1.142 schwarze 2093: if (NULL == (link = n->child))
2094: return(0);
1.101 schwarze 2095:
1.142 schwarze 2096: if (NULL != (descr = link->next)) {
2097: term_fontpush(p, TERMFONT_UNDER);
2098: while (NULL != descr) {
2099: term_word(p, descr->string);
2100: descr = descr->next;
2101: }
2102: p->flags |= TERMP_NOSPACE;
2103: term_word(p, ":");
2104: term_fontpop(p);
2105: }
1.1 kristaps 2106:
1.65 schwarze 2107: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2108: term_word(p, link->string);
1.65 schwarze 2109: term_fontpop(p);
1.6 schwarze 2110:
1.1 kristaps 2111: return(0);
2112: }
2113:
1.90 schwarze 2114: static int
2115: termp_bk_pre(DECL_ARGS)
2116: {
2117:
1.91 schwarze 2118: switch (n->type) {
1.166 schwarze 2119: case MDOC_BLOCK:
1.95 schwarze 2120: break;
1.166 schwarze 2121: case MDOC_HEAD:
1.91 schwarze 2122: return(0);
1.166 schwarze 2123: case MDOC_BODY:
1.117 schwarze 2124: if (n->parent->args || 0 == n->prev->nchild)
2125: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2126: break;
1.91 schwarze 2127: default:
2128: abort();
1.95 schwarze 2129: /* NOTREACHED */
1.91 schwarze 2130: }
1.95 schwarze 2131:
2132: return(1);
1.90 schwarze 2133: }
2134:
2135: static void
2136: termp_bk_post(DECL_ARGS)
2137: {
2138:
1.155 schwarze 2139: if (MDOC_BODY == n->type)
1.91 schwarze 2140: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2141: }
1.120 schwarze 2142:
2143: static void
2144: termp__t_post(DECL_ARGS)
2145: {
2146:
2147: /*
2148: * If we're in an `Rs' and there's a journal present, then quote
2149: * us instead of underlining us (for disambiguation).
2150: */
1.121 schwarze 2151: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2152: n->parent->norm->Rs.quote_T)
1.147 schwarze 2153: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2154:
1.147 schwarze 2155: termp____post(p, pair, meta, n);
1.120 schwarze 2156: }
2157:
2158: static int
2159: termp__t_pre(DECL_ARGS)
2160: {
2161:
2162: /*
2163: * If we're in an `Rs' and there's a journal present, then quote
2164: * us instead of underlining us (for disambiguation).
2165: */
1.121 schwarze 2166: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2167: n->parent->norm->Rs.quote_T)
1.147 schwarze 2168: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2169:
2170: term_fontpush(p, TERMFONT_UNDER);
2171: return(1);
1.121 schwarze 2172: }
1.1 kristaps 2173:
2174: static int
1.54 schwarze 2175: termp_under_pre(DECL_ARGS)
1.1 kristaps 2176: {
2177:
1.65 schwarze 2178: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2179: return(1);
2180: }
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