Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.184
1.184 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.183 2014/10/20 02:31:44 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);
1.29 schwarze 66: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 67: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 68: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 69: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 70: static void termp_fo_post(DECL_ARGS);
71: static void termp_in_post(DECL_ARGS);
72: static void termp_it_post(DECL_ARGS);
73: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 74: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 75: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 76: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 77: static void termp_sh_post(DECL_ARGS);
78: static void termp_ss_post(DECL_ARGS);
79:
1.104 schwarze 80: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 81: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 82: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 83: static int termp_ap_pre(DECL_ARGS);
84: static int termp_bd_pre(DECL_ARGS);
85: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 86: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 87: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 88: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 89: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 90: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 91: static int termp_cd_pre(DECL_ARGS);
92: static int termp_d1_pre(DECL_ARGS);
1.170 schwarze 93: static int termp_es_pre(DECL_ARGS);
1.29 schwarze 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 */
1.181 schwarze 138: { termp_an_pre, NULL }, /* 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 */
1.170 schwarze 157: { termp_ft_pre, 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 */
1.170 schwarze 227: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 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 */
1.170 schwarze 237: { termp_es_pre, NULL }, /* Es */
238: { termp_quote_pre, termp_quote_post }, /* En */
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: {
1.147 schwarze 252: const struct mdoc_meta *meta;
1.180 schwarze 253: struct mdoc_node *n;
1.61 schwarze 254: struct termp *p;
255:
256: p = (struct termp *)arg;
1.71 schwarze 257:
258: p->overstep = 0;
1.180 schwarze 259: p->rmargin = 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:
1.180 schwarze 265: n = mdoc_node(mdoc)->child;
1.147 schwarze 266: meta = mdoc_meta(mdoc);
1.55 schwarze 267:
1.180 schwarze 268: if (p->synopsisonly) {
269: while (n != NULL) {
270: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
271: if (n->child->next->child != NULL)
272: print_mdoc_nodelist(p, NULL,
273: meta, n->child->next->child);
274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
280: if (p->defindent == 0)
281: p->defindent = 5;
282: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
283: if (n != NULL) {
284: if (n->tok != MDOC_Sh)
285: term_vspace(p);
286: print_mdoc_nodelist(p, NULL, meta, n);
287: }
288: term_end(p);
1.173 schwarze 289: }
1.1 kristaps 290: }
291:
292: static void
1.65 schwarze 293: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 294: {
295:
1.147 schwarze 296: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 297: if (n->next)
1.147 schwarze 298: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 299: }
300:
301: static void
1.65 schwarze 302: print_mdoc_node(DECL_ARGS)
1.1 kristaps 303: {
1.65 schwarze 304: int chld;
1.1 kristaps 305: struct termpair npair;
1.28 schwarze 306: size_t offset, rmargin;
1.1 kristaps 307:
1.54 schwarze 308: chld = 1;
1.28 schwarze 309: offset = p->offset;
310: rmargin = p->rmargin;
1.146 schwarze 311: n->prev_font = term_fontq(p);
1.1 kristaps 312:
1.63 schwarze 313: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 314: npair.ppair = pair;
1.65 schwarze 315:
1.95 schwarze 316: /*
317: * Keeps only work until the end of a line. If a keep was
318: * invoked in a prior line, revert it to PREKEEP.
319: */
320:
1.155 schwarze 321: if (TERMP_KEEP & p->flags) {
1.154 schwarze 322: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 323: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 324: p->flags &= ~TERMP_KEEP;
325: p->flags |= TERMP_PREKEEP;
326: }
327: }
1.116 schwarze 328:
329: /*
1.128 schwarze 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) {
1.166 schwarze 335: case MDOC_TEXT:
1.128 schwarze 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;
1.166 schwarze 344: case MDOC_EQN:
1.183 schwarze 345: if ( ! (n->flags & MDOC_LINE))
346: p->flags |= TERMP_NOSPACE;
1.135 schwarze 347: term_eqn(p, n->eqn);
1.184 ! schwarze 348: if ( ! (n->flags & MDOC_LINE))
! 349: p->flags |= TERMP_NOSPACE;
1.131 schwarze 350: break;
1.166 schwarze 351: case MDOC_TBL:
1.128 schwarze 352: term_tbl(p, n->span);
353: break;
354: default:
355: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
356: chld = (*termacts[n->tok].pre)
1.147 schwarze 357: (p, &npair, meta, n);
1.128 schwarze 358: break;
359: }
1.95 schwarze 360:
1.60 schwarze 361: if (chld && n->child)
1.147 schwarze 362: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 363:
1.146 schwarze 364: term_fontpopq(p,
365: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 366:
1.122 schwarze 367: switch (n->type) {
1.166 schwarze 368: case MDOC_TEXT:
1.122 schwarze 369: break;
1.166 schwarze 370: case MDOC_TBL:
1.131 schwarze 371: break;
1.166 schwarze 372: case MDOC_EQN:
1.122 schwarze 373: break;
374: default:
375: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
376: break;
1.147 schwarze 377: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 378:
379: /*
380: * Explicit end tokens not only call the post
381: * handler, but also tell the respective block
382: * that it must not call the post handler again.
383: */
1.95 schwarze 384: if (ENDBODY_NOT != n->end)
1.93 schwarze 385: n->pending->flags |= MDOC_ENDED;
386:
387: /*
388: * End of line terminating an implicit block
389: * while an explicit block is still open.
390: * Continue the explicit block without spacing.
391: */
392: if (ENDBODY_NOSPACE == n->end)
393: p->flags |= TERMP_NOSPACE;
1.122 schwarze 394: break;
1.93 schwarze 395: }
1.28 schwarze 396:
1.78 schwarze 397: if (MDOC_EOS & n->flags)
398: p->flags |= TERMP_SENTENCE;
399:
1.162 schwarze 400: if (MDOC_ll != n->tok) {
401: p->offset = offset;
402: p->rmargin = rmargin;
403: }
1.1 kristaps 404: }
405:
406: static void
1.87 schwarze 407: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 408: {
1.147 schwarze 409: const struct mdoc_meta *meta;
1.87 schwarze 410:
1.147 schwarze 411: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 412:
1.65 schwarze 413: term_fontrepl(p, TERMFONT_NONE);
414:
1.166 schwarze 415: /*
1.7 schwarze 416: * Output the footer in new-groff style, that is, three columns
417: * with the middle being the manual date and flanking columns
418: * being the operating system:
419: *
420: * SYSTEM DATE SYSTEM
421: */
422:
1.1 kristaps 423: term_vspace(p);
424:
1.7 schwarze 425: p->offset = 0;
1.166 schwarze 426: p->rmargin = (p->maxrmargin -
427: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 428: p->trailspace = 1;
1.1 kristaps 429: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
430:
1.147 schwarze 431: term_word(p, meta->os);
1.1 kristaps 432: term_flushln(p);
433:
1.7 schwarze 434: p->offset = p->rmargin;
1.147 schwarze 435: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 436: p->flags |= TERMP_NOSPACE;
1.7 schwarze 437:
1.147 schwarze 438: term_word(p, meta->date);
1.7 schwarze 439: term_flushln(p);
440:
1.1 kristaps 441: p->offset = p->rmargin;
442: p->rmargin = p->maxrmargin;
1.152 schwarze 443: p->trailspace = 0;
1.1 kristaps 444: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 445: p->flags |= TERMP_NOSPACE;
1.1 kristaps 446:
1.147 schwarze 447: term_word(p, meta->os);
1.1 kristaps 448: term_flushln(p);
1.7 schwarze 449:
450: p->offset = 0;
451: p->rmargin = p->maxrmargin;
452: p->flags = 0;
1.1 kristaps 453: }
454:
455: static void
1.87 schwarze 456: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 457: {
1.168 schwarze 458: const struct mdoc_meta *meta;
1.169 schwarze 459: char *volume, *title;
460: size_t vollen, titlen;
1.87 schwarze 461:
1.147 schwarze 462: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 463:
464: /*
465: * The header is strange. It has three components, which are
466: * really two with the first duplicated. It goes like this:
467: *
468: * IDENTIFIER TITLE IDENTIFIER
469: *
470: * The IDENTIFIER is NAME(SECTION), which is the command-name
471: * (if given, or "unknown" if not) followed by the manual page
472: * section. These are given in `Dt'. The TITLE is a free-form
473: * string depending on the manual volume. If not specified, it
474: * switches on the manual section.
475: */
1.137 schwarze 476:
1.147 schwarze 477: assert(meta->vol);
1.169 schwarze 478: if (NULL == meta->arch)
479: volume = mandoc_strdup(meta->vol);
480: else
481: mandoc_asprintf(&volume, "%s (%s)",
482: meta->vol, meta->arch);
483: vollen = term_strlen(p, volume);
1.1 kristaps 484:
1.177 schwarze 485: if (NULL == meta->msec)
486: title = mandoc_strdup(meta->title);
487: else
488: mandoc_asprintf(&title, "%s(%s)",
489: meta->title, meta->msec);
1.137 schwarze 490: titlen = term_strlen(p, title);
1.1 kristaps 491:
1.137 schwarze 492: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 493: p->trailspace = 1;
1.1 kristaps 494: p->offset = 0;
1.169 schwarze 495: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
496: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
497: p->maxrmargin - vollen;
1.1 kristaps 498:
499: term_word(p, title);
500: term_flushln(p);
501:
1.137 schwarze 502: p->flags |= TERMP_NOSPACE;
1.1 kristaps 503: p->offset = p->rmargin;
1.169 schwarze 504: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 505: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 506:
1.169 schwarze 507: term_word(p, volume);
1.1 kristaps 508: term_flushln(p);
509:
510: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 511: p->trailspace = 0;
1.137 schwarze 512: if (p->rmargin + titlen <= p->maxrmargin) {
513: p->flags |= TERMP_NOSPACE;
514: p->offset = p->rmargin;
515: p->rmargin = p->maxrmargin;
516: term_word(p, title);
517: term_flushln(p);
518: }
1.1 kristaps 519:
1.137 schwarze 520: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 521: p->offset = 0;
1.1 kristaps 522: p->rmargin = p->maxrmargin;
1.168 schwarze 523: free(title);
1.169 schwarze 524: free(volume);
1.1 kristaps 525: }
526:
527: static size_t
1.89 schwarze 528: a2height(const struct termp *p, const char *v)
1.1 kristaps 529: {
1.61 schwarze 530: struct roffsu su;
1.1 kristaps 531:
1.134 schwarze 532:
1.89 schwarze 533: assert(v);
534: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 535: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 536:
1.89 schwarze 537: return(term_vspan(p, &su));
1.61 schwarze 538: }
1.34 schwarze 539:
1.61 schwarze 540: static size_t
1.89 schwarze 541: a2width(const struct termp *p, const char *v)
1.61 schwarze 542: {
543: struct roffsu su;
1.1 kristaps 544:
1.88 schwarze 545: assert(v);
1.182 schwarze 546: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 547: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 548: su.scale /= term_strlen(p, "0");
549: }
1.1 kristaps 550:
1.89 schwarze 551: return(term_hspan(p, &su));
1.1 kristaps 552: }
553:
554: static size_t
1.89 schwarze 555: a2offs(const struct termp *p, const char *v)
1.1 kristaps 556: {
1.61 schwarze 557: struct roffsu su;
1.1 kristaps 558:
1.88 schwarze 559: if ('\0' == *v)
1.61 schwarze 560: return(0);
1.88 schwarze 561: else if (0 == strcmp(v, "left"))
1.9 schwarze 562: return(0);
1.88 schwarze 563: else if (0 == strcmp(v, "indent"))
1.140 schwarze 564: return(term_len(p, p->defindent + 1));
1.88 schwarze 565: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 566: return(term_len(p, (p->defindent + 1) * 2));
1.182 schwarze 567: else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 568: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 569: su.scale /= term_strlen(p, "0");
570: }
1.10 schwarze 571:
1.89 schwarze 572: return(term_hspan(p, &su));
1.1 kristaps 573: }
574:
1.68 schwarze 575: /*
576: * Determine how much space to print out before block elements of `It'
577: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
578: * too.
579: */
1.45 schwarze 580: static void
1.166 schwarze 581: print_bvspace(struct termp *p,
582: const struct mdoc_node *bl,
583: const struct mdoc_node *n)
1.1 kristaps 584: {
1.60 schwarze 585: const struct mdoc_node *nn;
1.138 schwarze 586:
587: assert(n);
1.1 kristaps 588:
589: term_newln(p);
1.88 schwarze 590:
1.121 schwarze 591: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 592: return;
1.121 schwarze 593: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 594: return;
595:
1.60 schwarze 596: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 597:
1.60 schwarze 598: for (nn = n; nn; nn = nn->parent) {
599: if (MDOC_BLOCK != nn->type)
1.1 kristaps 600: continue;
1.60 schwarze 601: if (MDOC_Ss == nn->tok)
1.45 schwarze 602: return;
1.60 schwarze 603: if (MDOC_Sh == nn->tok)
1.45 schwarze 604: return;
1.60 schwarze 605: if (NULL == nn->prev)
1.1 kristaps 606: continue;
607: break;
608: }
609:
1.60 schwarze 610: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 611:
1.121 schwarze 612: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 613: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 614: return;
615:
1.60 schwarze 616: /* A `-diag' without body does not vspace. */
617:
1.121 schwarze 618: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 619: if (n->prev && MDOC_It == n->prev->tok) {
620: assert(n->prev->body);
621: if (NULL == n->prev->body->child)
1.45 schwarze 622: return;
623: }
624:
625: term_vspace(p);
1.162 schwarze 626: }
627:
628:
629: static int
630: termp_ll_pre(DECL_ARGS)
631: {
632:
1.163 schwarze 633: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 634: return(0);
1.1 kristaps 635: }
636:
637: static int
638: termp_it_pre(DECL_ARGS)
639: {
1.60 schwarze 640: const struct mdoc_node *bl, *nn;
1.167 schwarze 641: char buf[24];
1.166 schwarze 642: int i;
643: size_t width, offset, ncols, dcol;
1.82 schwarze 644: enum mdoc_list type;
1.1 kristaps 645:
1.60 schwarze 646: if (MDOC_BLOCK == n->type) {
1.61 schwarze 647: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 648: return(1);
649: }
1.1 kristaps 650:
1.60 schwarze 651: bl = n->parent->parent->parent;
1.121 schwarze 652: type = bl->norm->Bl.type;
1.1 kristaps 653:
1.166 schwarze 654: /*
1.68 schwarze 655: * First calculate width and offset. This is pretty easy unless
656: * we're a -column list, in which case all prior columns must
657: * be accounted for.
658: */
659:
660: width = offset = 0;
661:
1.121 schwarze 662: if (bl->norm->Bl.offs)
663: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 664:
1.1 kristaps 665: switch (type) {
1.166 schwarze 666: case LIST_column:
1.85 schwarze 667: if (MDOC_HEAD == n->type)
1.1 kristaps 668: break;
1.88 schwarze 669:
1.66 schwarze 670: /*
1.68 schwarze 671: * Imitate groff's column handling:
672: * - For each earlier column, add its width.
673: * - For less than 5 columns, add four more blanks per
674: * column.
675: * - For exactly 5 columns, add three more blank per
676: * column.
677: * - For more than 5 columns, add only one column.
1.66 schwarze 678: */
1.121 schwarze 679: ncols = bl->norm->Bl.ncols;
1.166 schwarze 680: dcol = ncols < 5 ? term_len(p, 4) :
681: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 682:
1.85 schwarze 683: /*
684: * Calculate the offset by applying all prior MDOC_BODY,
685: * so we stop at the MDOC_HEAD (NULL == nn->prev).
686: */
687:
1.166 schwarze 688: for (i = 0, nn = n->prev;
689: nn->prev && i < (int)ncols;
690: nn = nn->prev, i++)
691: offset += dcol + a2width(p,
692: bl->norm->Bl.cols[i]);
1.66 schwarze 693:
694: /*
1.68 schwarze 695: * When exceeding the declared number of columns, leave
696: * the remaining widths at 0. This will later be
697: * adjusted to the default width of 10, or, for the last
698: * column, stretched to the right margin.
1.46 schwarze 699: */
1.68 schwarze 700: if (i >= (int)ncols)
701: break;
1.46 schwarze 702:
1.66 schwarze 703: /*
1.68 schwarze 704: * Use the declared column widths, extended as explained
705: * in the preceding paragraph.
1.66 schwarze 706: */
1.121 schwarze 707: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 708: break;
709: default:
1.121 schwarze 710: if (NULL == bl->norm->Bl.width)
1.68 schwarze 711: break;
712:
1.166 schwarze 713: /*
1.68 schwarze 714: * Note: buffer the width by 2, which is groff's magic
715: * number for buffering single arguments. See the above
716: * handling for column for how this changes.
717: */
1.121 schwarze 718: assert(bl->norm->Bl.width);
719: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 720: break;
721: }
722:
1.166 schwarze 723: /*
1.1 kristaps 724: * List-type can override the width in the case of fixed-head
725: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 726: * offset.
1.1 kristaps 727: */
728:
729: switch (type) {
1.166 schwarze 730: case LIST_bullet:
1.1 kristaps 731: /* FALLTHROUGH */
1.166 schwarze 732: case LIST_dash:
1.1 kristaps 733: /* FALLTHROUGH */
1.166 schwarze 734: case LIST_hyphen:
1.144 schwarze 735: /* FALLTHROUGH */
1.166 schwarze 736: case LIST_enum:
1.144 schwarze 737: if (width < term_len(p, 2))
738: width = term_len(p, 2);
1.1 kristaps 739: break;
1.166 schwarze 740: case LIST_hang:
1.33 schwarze 741: if (0 == width)
1.89 schwarze 742: width = term_len(p, 8);
1.33 schwarze 743: break;
1.166 schwarze 744: case LIST_column:
1.41 schwarze 745: /* FALLTHROUGH */
1.166 schwarze 746: case LIST_tag:
1.1 kristaps 747: if (0 == width)
1.89 schwarze 748: width = term_len(p, 10);
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
1.166 schwarze 754: /*
1.16 schwarze 755: * Whitespace control. Inset bodies need an initial space,
756: * while diagonal bodies need two.
1.1 kristaps 757: */
758:
1.42 schwarze 759: p->flags |= TERMP_NOSPACE;
760:
1.1 kristaps 761: switch (type) {
1.166 schwarze 762: case LIST_diag:
1.60 schwarze 763: if (MDOC_BODY == n->type)
1.48 schwarze 764: term_word(p, "\\ \\ ");
1.42 schwarze 765: break;
1.166 schwarze 766: case LIST_inset:
1.172 schwarze 767: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 768: term_word(p, "\\ ");
1.1 kristaps 769: break;
770: default:
771: break;
772: }
773:
1.42 schwarze 774: p->flags |= TERMP_NOSPACE;
775:
1.1 kristaps 776: switch (type) {
1.166 schwarze 777: case LIST_diag:
1.60 schwarze 778: if (MDOC_HEAD == n->type)
1.65 schwarze 779: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 780: break;
781: default:
782: break;
783: }
784:
785: /*
1.68 schwarze 786: * Pad and break control. This is the tricky part. These flags
787: * are documented in term_flushln() in term.c. Note that we're
788: * going to unset all of these flags in termp_it_post() when we
789: * exit.
1.1 kristaps 790: */
791:
792: switch (type) {
1.166 schwarze 793: case LIST_enum:
1.144 schwarze 794: /*
795: * Weird special case.
796: * Very narrow enum lists actually hang.
797: */
798: if (width == term_len(p, 2))
799: p->flags |= TERMP_HANG;
800: /* FALLTHROUGH */
1.166 schwarze 801: case LIST_bullet:
1.1 kristaps 802: /* FALLTHROUGH */
1.166 schwarze 803: case LIST_dash:
1.1 kristaps 804: /* FALLTHROUGH */
1.166 schwarze 805: case LIST_hyphen:
1.152 schwarze 806: if (MDOC_HEAD != n->type)
807: break;
808: p->flags |= TERMP_NOBREAK;
809: p->trailspace = 1;
1.33 schwarze 810: break;
1.166 schwarze 811: case LIST_hang:
1.152 schwarze 812: if (MDOC_HEAD != n->type)
1.47 schwarze 813: break;
814:
815: /*
816: * This is ugly. If `-hang' is specified and the body
817: * is a `Bl' or `Bd', then we want basically to nullify
818: * the "overstep" effect in term_flushln() and treat
819: * this as a `-ohang' list instead.
820: */
1.178 schwarze 821: if (NULL != n->next &&
822: NULL != n->next->child &&
1.166 schwarze 823: (MDOC_Bl == n->next->child->tok ||
824: MDOC_Bd == n->next->child->tok))
1.152 schwarze 825: break;
826:
1.165 schwarze 827: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 828: p->trailspace = 1;
1.33 schwarze 829: break;
1.166 schwarze 830: case LIST_tag:
1.60 schwarze 831: if (MDOC_HEAD != n->type)
1.33 schwarze 832: break;
1.152 schwarze 833:
1.165 schwarze 834: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 835: p->trailspace = 2;
836:
1.60 schwarze 837: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 838: p->flags |= TERMP_DANGLE;
1.1 kristaps 839: break;
1.166 schwarze 840: case LIST_column:
1.85 schwarze 841: if (MDOC_HEAD == n->type)
842: break;
843:
1.152 schwarze 844: if (NULL == n->next) {
1.85 schwarze 845: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 846: p->trailspace = 0;
847: } else {
1.85 schwarze 848: p->flags |= TERMP_NOBREAK;
1.152 schwarze 849: p->trailspace = 1;
850: }
1.85 schwarze 851:
1.1 kristaps 852: break;
1.166 schwarze 853: case LIST_diag:
1.152 schwarze 854: if (MDOC_HEAD != n->type)
855: break;
1.165 schwarze 856: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 857: p->trailspace = 1;
1.1 kristaps 858: break;
859: default:
860: break;
861: }
862:
1.166 schwarze 863: /*
1.1 kristaps 864: * Margin control. Set-head-width lists have their right
865: * margins shortened. The body for these lists has the offset
866: * necessarily lengthened. Everybody gets the offset.
867: */
868:
869: p->offset += offset;
870:
871: switch (type) {
1.166 schwarze 872: case LIST_hang:
1.47 schwarze 873: /*
874: * Same stipulation as above, regarding `-hang'. We
875: * don't want to recalculate rmargin and offsets when
876: * using `Bd' or `Bl' within `-hang' overstep lists.
877: */
1.178 schwarze 878: if (MDOC_HEAD == n->type &&
879: NULL != n->next &&
880: NULL != n->next->child &&
1.166 schwarze 881: (MDOC_Bl == n->next->child->tok ||
882: MDOC_Bd == n->next->child->tok))
1.47 schwarze 883: break;
884: /* FALLTHROUGH */
1.166 schwarze 885: case LIST_bullet:
1.1 kristaps 886: /* FALLTHROUGH */
1.166 schwarze 887: case LIST_dash:
1.1 kristaps 888: /* FALLTHROUGH */
1.166 schwarze 889: case LIST_enum:
1.1 kristaps 890: /* FALLTHROUGH */
1.166 schwarze 891: case LIST_hyphen:
1.33 schwarze 892: /* FALLTHROUGH */
1.166 schwarze 893: case LIST_tag:
1.41 schwarze 894: assert(width);
1.60 schwarze 895: if (MDOC_HEAD == n->type)
1.1 kristaps 896: p->rmargin = p->offset + width;
1.161 schwarze 897: else {
1.1 kristaps 898: p->offset += width;
1.161 schwarze 899: if (p->rmargin < p->offset)
900: p->rmargin = p->offset;
901: }
1.1 kristaps 902: break;
1.166 schwarze 903: case LIST_column:
1.41 schwarze 904: assert(width);
1.1 kristaps 905: p->rmargin = p->offset + width;
1.166 schwarze 906: /*
1.43 schwarze 907: * XXX - this behaviour is not documented: the
908: * right-most column is filled to the right margin.
909: */
1.85 schwarze 910: if (MDOC_HEAD == n->type)
911: break;
912: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 913: p->rmargin = p->maxrmargin;
1.1 kristaps 914: break;
915: default:
916: break;
917: }
918:
1.166 schwarze 919: /*
1.1 kristaps 920: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 921: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 922: */
923:
1.60 schwarze 924: if (MDOC_HEAD == n->type)
1.1 kristaps 925: switch (type) {
1.166 schwarze 926: case LIST_bullet:
1.65 schwarze 927: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 928: term_word(p, "\\[bu]");
1.65 schwarze 929: term_fontpop(p);
1.1 kristaps 930: break;
1.166 schwarze 931: case LIST_dash:
1.1 kristaps 932: /* FALLTHROUGH */
1.166 schwarze 933: case LIST_hyphen:
1.65 schwarze 934: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 935: term_word(p, "\\(hy");
1.65 schwarze 936: term_fontpop(p);
1.1 kristaps 937: break;
1.166 schwarze 938: case LIST_enum:
1.1 kristaps 939: (pair->ppair->ppair->count)++;
1.167 schwarze 940: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 941: pair->ppair->ppair->count);
1.1 kristaps 942: term_word(p, buf);
943: break;
944: default:
945: break;
946: }
1.12 schwarze 947:
1.166 schwarze 948: /*
1.1 kristaps 949: * If we're not going to process our children, indicate so here.
950: */
951:
952: switch (type) {
1.166 schwarze 953: case LIST_bullet:
1.1 kristaps 954: /* FALLTHROUGH */
1.166 schwarze 955: case LIST_item:
1.1 kristaps 956: /* FALLTHROUGH */
1.166 schwarze 957: case LIST_dash:
1.1 kristaps 958: /* FALLTHROUGH */
1.166 schwarze 959: case LIST_hyphen:
1.1 kristaps 960: /* FALLTHROUGH */
1.166 schwarze 961: case LIST_enum:
1.60 schwarze 962: if (MDOC_HEAD == n->type)
1.1 kristaps 963: return(0);
964: break;
1.166 schwarze 965: case LIST_column:
1.85 schwarze 966: if (MDOC_HEAD == n->type)
1.1 kristaps 967: return(0);
968: break;
969: default:
970: break;
971: }
972:
973: return(1);
974: }
975:
976: static void
977: termp_it_post(DECL_ARGS)
978: {
1.82 schwarze 979: enum mdoc_list type;
1.1 kristaps 980:
1.68 schwarze 981: if (MDOC_BLOCK == n->type)
1.1 kristaps 982: return;
983:
1.121 schwarze 984: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 985:
986: switch (type) {
1.166 schwarze 987: case LIST_item:
1.44 schwarze 988: /* FALLTHROUGH */
1.166 schwarze 989: case LIST_diag:
1.1 kristaps 990: /* FALLTHROUGH */
1.166 schwarze 991: case LIST_inset:
1.60 schwarze 992: if (MDOC_BODY == n->type)
1.74 schwarze 993: term_newln(p);
1.1 kristaps 994: break;
1.166 schwarze 995: case LIST_column:
1.85 schwarze 996: if (MDOC_BODY == n->type)
1.1 kristaps 997: term_flushln(p);
998: break;
999: default:
1.74 schwarze 1000: term_newln(p);
1.1 kristaps 1001: break;
1002: }
1003:
1.166 schwarze 1004: /*
1.68 schwarze 1005: * Now that our output is flushed, we can reset our tags. Since
1006: * only `It' sets these flags, we're free to assume that nobody
1007: * has munged them in the meanwhile.
1008: */
1009:
1.165 schwarze 1010: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1011: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 1012: p->trailspace = 0;
1.1 kristaps 1013: }
1014:
1015: static int
1016: termp_nm_pre(DECL_ARGS)
1017: {
1018:
1.155 schwarze 1019: if (MDOC_BLOCK == n->type) {
1020: p->flags |= TERMP_PREKEEP;
1.94 schwarze 1021: return(1);
1.155 schwarze 1022: }
1.94 schwarze 1023:
1024: if (MDOC_BODY == n->type) {
1025: if (NULL == n->child)
1026: return(0);
1.136 schwarze 1027: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1028: p->offset += term_len(p, 1) +
1.147 schwarze 1029: (NULL == n->prev->child ?
1030: term_strlen(p, meta->name) :
1.94 schwarze 1031: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1032: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1033: term_len(p, 5));
1.164 schwarze 1034: if (p->rmargin < p->offset)
1035: p->rmargin = p->offset;
1.94 schwarze 1036: return(1);
1037: }
1038:
1.147 schwarze 1039: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1040: return(0);
1.81 schwarze 1041:
1.97 schwarze 1042: if (MDOC_HEAD == n->type)
1043: synopsis_pre(p, n->parent);
1.65 schwarze 1044:
1.178 schwarze 1045: if (MDOC_HEAD == n->type &&
1046: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1047: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1048: p->trailspace = 1;
1.105 schwarze 1049: p->rmargin = p->offset + term_len(p, 1);
1050: if (NULL == n->child) {
1.147 schwarze 1051: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1052: } else if (MDOC_TEXT == n->child->type) {
1053: p->rmargin += term_strlen(p, n->child->string);
1054: if (n->child->next)
1055: p->flags |= TERMP_HANG;
1056: } else {
1057: p->rmargin += term_len(p, 5);
1058: p->flags |= TERMP_HANG;
1059: }
1.94 schwarze 1060: }
1061:
1.65 schwarze 1062: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1063: if (NULL == n->child)
1.147 schwarze 1064: term_word(p, meta->name);
1.1 kristaps 1065: return(1);
1066: }
1067:
1.94 schwarze 1068: static void
1069: termp_nm_post(DECL_ARGS)
1070: {
1071:
1.155 schwarze 1072: if (MDOC_BLOCK == n->type) {
1073: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1074: } else if (MDOC_HEAD == n->type &&
1075: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1076: term_flushln(p);
1.165 schwarze 1077: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1078: p->trailspace = 0;
1.136 schwarze 1079: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1080: term_flushln(p);
1081: }
1082:
1.1 kristaps 1083: static int
1084: termp_fl_pre(DECL_ARGS)
1085: {
1086:
1.65 schwarze 1087: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1088: term_word(p, "\\-");
1.67 schwarze 1089:
1.179 schwarze 1090: if ( ! (n->nchild == 0 &&
1091: (n->next == NULL ||
1092: n->next->type == MDOC_TEXT ||
1093: n->next->flags & MDOC_LINE)))
1.73 schwarze 1094: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1095:
1.1 kristaps 1096: return(1);
1.49 schwarze 1097: }
1098:
1099: static int
1.104 schwarze 1100: termp__a_pre(DECL_ARGS)
1101: {
1102:
1103: if (n->prev && MDOC__A == n->prev->tok)
1104: if (NULL == n->next || MDOC__A != n->next->tok)
1105: term_word(p, "and");
1106:
1107: return(1);
1108: }
1109:
1110: static int
1.49 schwarze 1111: termp_an_pre(DECL_ARGS)
1112: {
1113:
1.181 schwarze 1114: if (n->norm->An.auth == AUTH_split) {
1115: p->flags &= ~TERMP_NOSPLIT;
1116: p->flags |= TERMP_SPLIT;
1117: return(0);
1118: }
1119: if (n->norm->An.auth == AUTH_nosplit) {
1120: p->flags &= ~TERMP_SPLIT;
1121: p->flags |= TERMP_NOSPLIT;
1122: return(0);
1123: }
1.49 schwarze 1124:
1.181 schwarze 1125: if (n->child == NULL)
1126: return(0);
1.166 schwarze 1127:
1.181 schwarze 1128: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1129: term_newln(p);
1130:
1.181 schwarze 1131: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1132: p->flags |= TERMP_SPLIT;
1.49 schwarze 1133:
1134: return(1);
1.1 kristaps 1135: }
1136:
1137: static int
1138: termp_ns_pre(DECL_ARGS)
1139: {
1140:
1.127 schwarze 1141: if ( ! (MDOC_LINE & n->flags))
1142: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1143: return(1);
1144: }
1145:
1146: static int
1147: termp_rs_pre(DECL_ARGS)
1148: {
1149:
1.60 schwarze 1150: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1151: return(1);
1.60 schwarze 1152: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1153: term_vspace(p);
1154: return(1);
1155: }
1156:
1157: static int
1158: termp_rv_pre(DECL_ARGS)
1159: {
1.132 schwarze 1160: int nchild;
1.1 kristaps 1161:
1162: term_newln(p);
1163:
1.132 schwarze 1164: nchild = n->nchild;
1.175 schwarze 1165: if (nchild > 0) {
1166: term_word(p, "The");
1.132 schwarze 1167:
1.175 schwarze 1168: for (n = n->child; n; n = n->next) {
1169: term_fontpush(p, TERMFONT_BOLD);
1170: term_word(p, n->string);
1171: term_fontpop(p);
1.132 schwarze 1172:
1173: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1174: term_word(p, "()");
1175:
1176: if (n->next == NULL)
1177: continue;
1178:
1179: if (nchild > 2) {
1180: p->flags |= TERMP_NOSPACE;
1181: term_word(p, ",");
1182: }
1183: if (n->next->next == NULL)
1184: term_word(p, "and");
1.132 schwarze 1185: }
1186:
1.175 schwarze 1187: if (nchild > 1)
1188: term_word(p, "functions return");
1189: else
1190: term_word(p, "function returns");
1191:
1192: term_word(p, "the value\\~0 if successful;");
1193: } else
1194: term_word(p, "Upon successful completion,"
1195: " the value\\~0 is returned;");
1.1 kristaps 1196:
1.175 schwarze 1197: term_word(p, "otherwise the value\\~\\-1 is returned"
1198: " and the global variable");
1.1 kristaps 1199:
1.65 schwarze 1200: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1201: term_word(p, "errno");
1.65 schwarze 1202: term_fontpop(p);
1.1 kristaps 1203:
1.166 schwarze 1204: term_word(p, "is set to indicate the error.");
1.84 schwarze 1205: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1206:
1.53 schwarze 1207: return(0);
1.1 kristaps 1208: }
1209:
1210: static int
1211: termp_ex_pre(DECL_ARGS)
1212: {
1.132 schwarze 1213: int nchild;
1.1 kristaps 1214:
1.132 schwarze 1215: term_newln(p);
1.53 schwarze 1216: term_word(p, "The");
1.1 kristaps 1217:
1.132 schwarze 1218: nchild = n->nchild;
1219: for (n = n->child; n; n = n->next) {
1.65 schwarze 1220: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1221: term_word(p, n->string);
1.65 schwarze 1222: term_fontpop(p);
1.132 schwarze 1223:
1224: if (nchild > 2 && n->next) {
1225: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1226: term_word(p, ",");
1.132 schwarze 1227: }
1228:
1229: if (n->next && NULL == n->next->next)
1230: term_word(p, "and");
1.53 schwarze 1231: }
1232:
1.132 schwarze 1233: if (nchild > 1)
1.175 schwarze 1234: term_word(p, "utilities exit\\~0");
1.53 schwarze 1235: else
1.175 schwarze 1236: term_word(p, "utility exits\\~0");
1.53 schwarze 1237:
1.175 schwarze 1238: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1239:
1.84 schwarze 1240: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1241: return(0);
1.1 kristaps 1242: }
1243:
1244: static int
1245: termp_nd_pre(DECL_ARGS)
1246: {
1.25 schwarze 1247:
1.60 schwarze 1248: if (MDOC_BODY != n->type)
1.25 schwarze 1249: return(1);
1250:
1251: #if defined(__OpenBSD__) || defined(__linux__)
1252: term_word(p, "\\(en");
1.24 schwarze 1253: #else
1254: term_word(p, "\\(em");
1255: #endif
1.1 kristaps 1256: return(1);
1257: }
1258:
1.73 schwarze 1259: static int
1260: termp_bl_pre(DECL_ARGS)
1261: {
1262:
1263: return(MDOC_HEAD != n->type);
1264: }
1265:
1.1 kristaps 1266: static void
1267: termp_bl_post(DECL_ARGS)
1268: {
1269:
1.60 schwarze 1270: if (MDOC_BLOCK == n->type)
1.1 kristaps 1271: term_newln(p);
1272: }
1273:
1274: static int
1275: termp_xr_pre(DECL_ARGS)
1276: {
1277:
1.132 schwarze 1278: if (NULL == (n = n->child))
1.72 schwarze 1279: return(0);
1280:
1.132 schwarze 1281: assert(MDOC_TEXT == n->type);
1282: term_word(p, n->string);
1.10 schwarze 1283:
1.166 schwarze 1284: if (NULL == (n = n->next))
1.1 kristaps 1285: return(0);
1.132 schwarze 1286:
1.1 kristaps 1287: p->flags |= TERMP_NOSPACE;
1288: term_word(p, "(");
1.132 schwarze 1289: p->flags |= TERMP_NOSPACE;
1290:
1291: assert(MDOC_TEXT == n->type);
1292: term_word(p, n->string);
1293:
1294: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1295: term_word(p, ")");
1.60 schwarze 1296:
1.1 kristaps 1297: return(0);
1298: }
1299:
1.86 schwarze 1300: /*
1301: * This decides how to assert whitespace before any of the SYNOPSIS set
1302: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1303: * macro combos).
1304: */
1305: static void
1306: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1307: {
1.166 schwarze 1308: /*
1.86 schwarze 1309: * Obviously, if we're not in a SYNOPSIS or no prior macros
1310: * exist, do nothing.
1311: */
1.92 schwarze 1312: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1313: return;
1314:
1315: /*
1316: * If we're the second in a pair of like elements, emit our
1317: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1318: * case we soldier on.
1319: */
1.166 schwarze 1320: if (n->prev->tok == n->tok &&
1321: MDOC_Ft != n->tok &&
1322: MDOC_Fo != n->tok &&
1323: MDOC_Fn != n->tok) {
1.86 schwarze 1324: term_newln(p);
1325: return;
1326: }
1327:
1328: /*
1329: * If we're one of the SYNOPSIS set and non-like pair-wise after
1330: * another (or Fn/Fo, which we've let slip through) then assert
1331: * vertical space, else only newline and move on.
1332: */
1333: switch (n->prev->tok) {
1.166 schwarze 1334: case MDOC_Fd:
1.86 schwarze 1335: /* FALLTHROUGH */
1.166 schwarze 1336: case MDOC_Fn:
1.86 schwarze 1337: /* FALLTHROUGH */
1.166 schwarze 1338: case MDOC_Fo:
1.86 schwarze 1339: /* FALLTHROUGH */
1.166 schwarze 1340: case MDOC_In:
1.86 schwarze 1341: /* FALLTHROUGH */
1.166 schwarze 1342: case MDOC_Vt:
1.86 schwarze 1343: term_vspace(p);
1344: break;
1.166 schwarze 1345: case MDOC_Ft:
1.86 schwarze 1346: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1347: term_vspace(p);
1348: break;
1349: }
1350: /* FALLTHROUGH */
1351: default:
1352: term_newln(p);
1353: break;
1354: }
1355: }
1356:
1.69 schwarze 1357: static int
1358: termp_vt_pre(DECL_ARGS)
1359: {
1360:
1.86 schwarze 1361: if (MDOC_ELEM == n->type) {
1362: synopsis_pre(p, n);
1.147 schwarze 1363: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1364: } else if (MDOC_BLOCK == n->type) {
1365: synopsis_pre(p, n);
1366: return(1);
1367: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1368: return(0);
1369:
1.147 schwarze 1370: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1371: }
1372:
1.1 kristaps 1373: static int
1.54 schwarze 1374: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1375: {
1376:
1.65 schwarze 1377: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1378: return(1);
1379: }
1380:
1.86 schwarze 1381: static int
1382: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1383: {
1384:
1.86 schwarze 1385: synopsis_pre(p, n);
1.147 schwarze 1386: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1387: }
1388:
1.143 schwarze 1389: static void
1390: termp_fd_post(DECL_ARGS)
1391: {
1392:
1393: term_newln(p);
1394: }
1395:
1.1 kristaps 1396: static int
1397: termp_sh_pre(DECL_ARGS)
1398: {
1.60 schwarze 1399:
1400: /* No vspace between consecutive `Sh' calls. */
1401:
1402: switch (n->type) {
1.166 schwarze 1403: case MDOC_BLOCK:
1.60 schwarze 1404: if (n->prev && MDOC_Sh == n->prev->tok)
1405: if (NULL == n->prev->body->child)
1.52 schwarze 1406: break;
1407: term_vspace(p);
1408: break;
1.166 schwarze 1409: case MDOC_HEAD:
1.65 schwarze 1410: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1411: break;
1.166 schwarze 1412: case MDOC_BODY:
1.140 schwarze 1413: p->offset = term_len(p, p->defindent);
1.141 schwarze 1414: if (SEC_AUTHORS == n->sec)
1415: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1416: break;
1417: default:
1418: break;
1419: }
1420: return(1);
1421: }
1422:
1423: static void
1424: termp_sh_post(DECL_ARGS)
1425: {
1426:
1.60 schwarze 1427: switch (n->type) {
1.166 schwarze 1428: case MDOC_HEAD:
1.1 kristaps 1429: term_newln(p);
1430: break;
1.166 schwarze 1431: case MDOC_BODY:
1.1 kristaps 1432: term_newln(p);
1433: p->offset = 0;
1434: break;
1435: default:
1436: break;
1437: }
1438: }
1439:
1440: static int
1441: termp_bt_pre(DECL_ARGS)
1442: {
1443:
1444: term_word(p, "is currently in beta test.");
1.84 schwarze 1445: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1446: return(0);
1.1 kristaps 1447: }
1448:
1449: static void
1450: termp_lb_post(DECL_ARGS)
1451: {
1452:
1.77 schwarze 1453: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1454: term_newln(p);
1.1 kristaps 1455: }
1456:
1457: static int
1458: termp_ud_pre(DECL_ARGS)
1459: {
1460:
1461: term_word(p, "currently under development.");
1.84 schwarze 1462: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1463: return(0);
1.1 kristaps 1464: }
1465:
1466: static int
1467: termp_d1_pre(DECL_ARGS)
1468: {
1469:
1.60 schwarze 1470: if (MDOC_BLOCK != n->type)
1.1 kristaps 1471: return(1);
1472: term_newln(p);
1.140 schwarze 1473: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1474: return(1);
1475: }
1476:
1477: static int
1478: termp_ft_pre(DECL_ARGS)
1479: {
1480:
1.85 schwarze 1481: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1482: synopsis_pre(p, n);
1.65 schwarze 1483: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1484: return(1);
1485: }
1486:
1487: static int
1488: termp_fn_pre(DECL_ARGS)
1489: {
1.159 schwarze 1490: size_t rmargin = 0;
1.132 schwarze 1491: int pretty;
1492:
1493: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1494:
1.86 schwarze 1495: synopsis_pre(p, n);
1.85 schwarze 1496:
1.132 schwarze 1497: if (NULL == (n = n->child))
1498: return(0);
1499:
1.153 schwarze 1500: if (pretty) {
1501: rmargin = p->rmargin;
1.159 schwarze 1502: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1503: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1504: }
1505:
1.132 schwarze 1506: assert(MDOC_TEXT == n->type);
1.65 schwarze 1507: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1508: term_word(p, n->string);
1.65 schwarze 1509: term_fontpop(p);
1.1 kristaps 1510:
1.153 schwarze 1511: if (pretty) {
1512: term_flushln(p);
1.165 schwarze 1513: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1514: p->offset = p->rmargin;
1515: p->rmargin = rmargin;
1516: }
1517:
1.1 kristaps 1518: p->flags |= TERMP_NOSPACE;
1519: term_word(p, "(");
1.132 schwarze 1520: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1521:
1.132 schwarze 1522: for (n = n->next; n; n = n->next) {
1523: assert(MDOC_TEXT == n->type);
1.65 schwarze 1524: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1525: if (pretty)
1526: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1527: term_word(p, n->string);
1.65 schwarze 1528: term_fontpop(p);
1529:
1.132 schwarze 1530: if (n->next) {
1531: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1532: term_word(p, ",");
1.132 schwarze 1533: }
1.1 kristaps 1534: }
1535:
1.132 schwarze 1536: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1537: term_word(p, ")");
1538:
1.132 schwarze 1539: if (pretty) {
1540: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1541: term_word(p, ";");
1.153 schwarze 1542: term_flushln(p);
1.132 schwarze 1543: }
1.1 kristaps 1544:
1545: return(0);
1546: }
1547:
1548: static int
1549: termp_fa_pre(DECL_ARGS)
1550: {
1.60 schwarze 1551: const struct mdoc_node *nn;
1.1 kristaps 1552:
1.60 schwarze 1553: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1554: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1555: return(1);
1556: }
1557:
1.60 schwarze 1558: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1559: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1560: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1561: term_word(p, nn->string);
1.65 schwarze 1562: term_fontpop(p);
1563:
1.158 schwarze 1564: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1565: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1566: term_word(p, ",");
1.132 schwarze 1567: }
1.1 kristaps 1568: }
1569:
1570: return(0);
1571: }
1572:
1573: static int
1574: termp_bd_pre(DECL_ARGS)
1575: {
1.174 schwarze 1576: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1577: struct mdoc_node *nn;
1.1 kristaps 1578:
1.60 schwarze 1579: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1580: print_bvspace(p, n, n);
1.45 schwarze 1581: return(1);
1.73 schwarze 1582: } else if (MDOC_HEAD == n->type)
1583: return(0);
1.1 kristaps 1584:
1.121 schwarze 1585: if (n->norm->Bd.offs)
1586: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1587:
1588: /*
1589: * If -ragged or -filled are specified, the block does nothing
1590: * but change the indentation. If -unfilled or -literal are
1591: * specified, text is printed exactly as entered in the display:
1592: * for macro lines, a newline is appended to the line. Blank
1593: * lines are allowed.
1594: */
1.166 schwarze 1595:
1596: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1597: DISP_unfilled != n->norm->Bd.type &&
1598: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1599: return(1);
1600:
1.75 schwarze 1601: tabwidth = p->tabwidth;
1.123 schwarze 1602: if (DISP_literal == n->norm->Bd.type)
1603: p->tabwidth = term_len(p, 8);
1604:
1.174 schwarze 1605: lm = p->offset;
1.77 schwarze 1606: rm = p->rmargin;
1607: rmax = p->maxrmargin;
1608: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1609:
1.60 schwarze 1610: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1611: if (DISP_centered == n->norm->Bd.type) {
1612: if (MDOC_TEXT == nn->type) {
1613: len = term_strlen(p, nn->string);
1614: p->offset = len >= rm ? 0 :
1615: lm + len >= rm ? rm - len :
1616: (lm + rm - len) / 2;
1617: } else
1618: p->offset = lm;
1619: }
1.147 schwarze 1620: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1621: /*
1622: * If the printed node flushes its own line, then we
1623: * needn't do it here as well. This is hacky, but the
1624: * notion of selective eoln whitespace is pretty dumb
1625: * anyway, so don't sweat it.
1626: */
1627: switch (nn->tok) {
1.166 schwarze 1628: case MDOC_Sm:
1.112 schwarze 1629: /* FALLTHROUGH */
1.166 schwarze 1630: case MDOC_br:
1.108 schwarze 1631: /* FALLTHROUGH */
1.166 schwarze 1632: case MDOC_sp:
1.108 schwarze 1633: /* FALLTHROUGH */
1.166 schwarze 1634: case MDOC_Bl:
1.115 schwarze 1635: /* FALLTHROUGH */
1.166 schwarze 1636: case MDOC_D1:
1.115 schwarze 1637: /* FALLTHROUGH */
1.166 schwarze 1638: case MDOC_Dl:
1.108 schwarze 1639: /* FALLTHROUGH */
1.166 schwarze 1640: case MDOC_Lp:
1.108 schwarze 1641: /* FALLTHROUGH */
1.166 schwarze 1642: case MDOC_Pp:
1.108 schwarze 1643: continue;
1644: default:
1645: break;
1646: }
1.100 schwarze 1647: if (nn->next && nn->next->line == nn->line)
1648: continue;
1649: term_flushln(p);
1.48 schwarze 1650: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1651: }
1.88 schwarze 1652:
1.75 schwarze 1653: p->tabwidth = tabwidth;
1.77 schwarze 1654: p->rmargin = rm;
1655: p->maxrmargin = rmax;
1.1 kristaps 1656: return(0);
1657: }
1658:
1659: static void
1660: termp_bd_post(DECL_ARGS)
1661: {
1.77 schwarze 1662: size_t rm, rmax;
1.1 kristaps 1663:
1.166 schwarze 1664: if (MDOC_BODY != n->type)
1.1 kristaps 1665: return;
1.77 schwarze 1666:
1667: rm = p->rmargin;
1668: rmax = p->maxrmargin;
1669:
1.166 schwarze 1670: if (DISP_literal == n->norm->Bd.type ||
1671: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1672: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1673:
1.48 schwarze 1674: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1675: term_newln(p);
1.77 schwarze 1676:
1677: p->rmargin = rm;
1678: p->maxrmargin = rmax;
1.1 kristaps 1679: }
1680:
1.126 schwarze 1681: static int
1682: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1683: {
1684:
1.126 schwarze 1685: if (NULL != (n = n->child)) {
1686: term_word(p, n->string);
1687: p->flags |= TERMP_NOSPACE;
1688: term_word(p, "BSD");
1689: } else {
1690: term_word(p, "BSD");
1691: return(0);
1692: }
1693:
1694: if (NULL != (n = n->next)) {
1695: p->flags |= TERMP_NOSPACE;
1696: term_word(p, "-");
1.1 kristaps 1697: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1698: term_word(p, n->string);
1699: }
1700:
1701: return(0);
1.1 kristaps 1702: }
1703:
1704: static int
1.26 schwarze 1705: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1706: {
1.26 schwarze 1707: const char *pp;
1.129 schwarze 1708: int flags;
1.1 kristaps 1709:
1.26 schwarze 1710: pp = NULL;
1.60 schwarze 1711: switch (n->tok) {
1.166 schwarze 1712: case MDOC_Bsx:
1.113 schwarze 1713: pp = "BSD/OS";
1.26 schwarze 1714: break;
1.166 schwarze 1715: case MDOC_Dx:
1.64 schwarze 1716: pp = "DragonFly";
1.26 schwarze 1717: break;
1.166 schwarze 1718: case MDOC_Fx:
1.26 schwarze 1719: pp = "FreeBSD";
1720: break;
1.166 schwarze 1721: case MDOC_Nx:
1.26 schwarze 1722: pp = "NetBSD";
1723: break;
1.166 schwarze 1724: case MDOC_Ox:
1.26 schwarze 1725: pp = "OpenBSD";
1726: break;
1.166 schwarze 1727: case MDOC_Ux:
1.26 schwarze 1728: pp = "UNIX";
1729: break;
1730: default:
1.148 schwarze 1731: abort();
1732: /* NOTREACHED */
1.26 schwarze 1733: }
1.1 kristaps 1734:
1.26 schwarze 1735: term_word(p, pp);
1.129 schwarze 1736: if (n->child) {
1737: flags = p->flags;
1738: p->flags |= TERMP_KEEP;
1739: term_word(p, n->child->string);
1740: p->flags = flags;
1741: }
1742: return(0);
1.1 kristaps 1743: }
1744:
1745: static void
1746: termp_pf_post(DECL_ARGS)
1747: {
1748:
1749: p->flags |= TERMP_NOSPACE;
1750: }
1751:
1752: static int
1753: termp_ss_pre(DECL_ARGS)
1754: {
1755:
1.60 schwarze 1756: switch (n->type) {
1.166 schwarze 1757: case MDOC_BLOCK:
1.1 kristaps 1758: term_newln(p);
1.60 schwarze 1759: if (n->prev)
1.1 kristaps 1760: term_vspace(p);
1761: break;
1.166 schwarze 1762: case MDOC_HEAD:
1.65 schwarze 1763: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1764: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1765: break;
1.176 schwarze 1766: case MDOC_BODY:
1767: p->offset = term_len(p, p->defindent);
1768: break;
1.1 kristaps 1769: default:
1770: break;
1771: }
1772:
1773: return(1);
1774: }
1775:
1776: static void
1777: termp_ss_post(DECL_ARGS)
1778: {
1779:
1.176 schwarze 1780: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1781: term_newln(p);
1782: }
1783:
1784: static int
1785: termp_cd_pre(DECL_ARGS)
1786: {
1787:
1.86 schwarze 1788: synopsis_pre(p, n);
1.65 schwarze 1789: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1790: return(1);
1791: }
1792:
1793: static int
1794: termp_in_pre(DECL_ARGS)
1795: {
1796:
1.86 schwarze 1797: synopsis_pre(p, n);
1.85 schwarze 1798:
1.92 schwarze 1799: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1800: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1801: term_word(p, "#include");
1.85 schwarze 1802: term_word(p, "<");
1803: } else {
1804: term_word(p, "<");
1805: term_fontpush(p, TERMFONT_UNDER);
1806: }
1.23 schwarze 1807:
1.1 kristaps 1808: p->flags |= TERMP_NOSPACE;
1809: return(1);
1810: }
1811:
1812: static void
1813: termp_in_post(DECL_ARGS)
1814: {
1815:
1.92 schwarze 1816: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1817: term_fontpush(p, TERMFONT_BOLD);
1818:
1.59 schwarze 1819: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1820: term_word(p, ">");
1821:
1.92 schwarze 1822: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1823: term_fontpop(p);
1.38 schwarze 1824: }
1825:
1826: static int
1827: termp_sp_pre(DECL_ARGS)
1828: {
1.61 schwarze 1829: size_t i, len;
1.38 schwarze 1830:
1.60 schwarze 1831: switch (n->tok) {
1.166 schwarze 1832: case MDOC_sp:
1.89 schwarze 1833: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1834: break;
1.166 schwarze 1835: case MDOC_br:
1.54 schwarze 1836: len = 0;
1837: break;
1838: default:
1839: len = 1;
1840: break;
1.38 schwarze 1841: }
1842:
1843: if (0 == len)
1844: term_newln(p);
1845: for (i = 0; i < len; i++)
1846: term_vspace(p);
1847:
1848: return(0);
1849: }
1850:
1851: static int
1.170 schwarze 1852: termp_es_pre(DECL_ARGS)
1853: {
1854:
1855: return(0);
1856: }
1857:
1858: static int
1.107 schwarze 1859: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1860: {
1861:
1.120 schwarze 1862: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1863: return(1);
1864:
1.107 schwarze 1865: switch (n->tok) {
1.166 schwarze 1866: case MDOC_Ao:
1.107 schwarze 1867: /* FALLTHROUGH */
1.166 schwarze 1868: case MDOC_Aq:
1.107 schwarze 1869: term_word(p, "<");
1870: break;
1.166 schwarze 1871: case MDOC_Bro:
1.107 schwarze 1872: /* FALLTHROUGH */
1.166 schwarze 1873: case MDOC_Brq:
1.107 schwarze 1874: term_word(p, "{");
1875: break;
1.166 schwarze 1876: case MDOC_Oo:
1.107 schwarze 1877: /* FALLTHROUGH */
1.166 schwarze 1878: case MDOC_Op:
1.107 schwarze 1879: /* FALLTHROUGH */
1.166 schwarze 1880: case MDOC_Bo:
1.107 schwarze 1881: /* FALLTHROUGH */
1.166 schwarze 1882: case MDOC_Bq:
1.107 schwarze 1883: term_word(p, "[");
1884: break;
1.166 schwarze 1885: case MDOC_Do:
1.107 schwarze 1886: /* FALLTHROUGH */
1.166 schwarze 1887: case MDOC_Dq:
1.151 schwarze 1888: term_word(p, "\\(lq");
1.107 schwarze 1889: break;
1.170 schwarze 1890: case MDOC_En:
1891: if (NULL == n->norm->Es ||
1892: NULL == n->norm->Es->child)
1893: return(1);
1894: term_word(p, n->norm->Es->child->string);
1895: break;
1.166 schwarze 1896: case MDOC_Eo:
1.139 schwarze 1897: break;
1.166 schwarze 1898: case MDOC_Po:
1.107 schwarze 1899: /* FALLTHROUGH */
1.166 schwarze 1900: case MDOC_Pq:
1.107 schwarze 1901: term_word(p, "(");
1902: break;
1.166 schwarze 1903: case MDOC__T:
1.120 schwarze 1904: /* FALLTHROUGH */
1.166 schwarze 1905: case MDOC_Qo:
1.107 schwarze 1906: /* FALLTHROUGH */
1.166 schwarze 1907: case MDOC_Qq:
1.107 schwarze 1908: term_word(p, "\"");
1909: break;
1.166 schwarze 1910: case MDOC_Ql:
1.107 schwarze 1911: /* FALLTHROUGH */
1.166 schwarze 1912: case MDOC_So:
1.107 schwarze 1913: /* FALLTHROUGH */
1.166 schwarze 1914: case MDOC_Sq:
1.151 schwarze 1915: term_word(p, "\\(oq");
1.107 schwarze 1916: break;
1917: default:
1918: abort();
1919: /* NOTREACHED */
1920: }
1.1 kristaps 1921:
1922: p->flags |= TERMP_NOSPACE;
1923: return(1);
1924: }
1925:
1926: static void
1.107 schwarze 1927: termp_quote_post(DECL_ARGS)
1.1 kristaps 1928: {
1929:
1.120 schwarze 1930: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1931: return;
1932:
1.170 schwarze 1933: if (MDOC_En != n->tok)
1934: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1935:
1.107 schwarze 1936: switch (n->tok) {
1.166 schwarze 1937: case MDOC_Ao:
1.107 schwarze 1938: /* FALLTHROUGH */
1.166 schwarze 1939: case MDOC_Aq:
1.107 schwarze 1940: term_word(p, ">");
1941: break;
1.166 schwarze 1942: case MDOC_Bro:
1.107 schwarze 1943: /* FALLTHROUGH */
1.166 schwarze 1944: case MDOC_Brq:
1.107 schwarze 1945: term_word(p, "}");
1946: break;
1.166 schwarze 1947: case MDOC_Oo:
1.107 schwarze 1948: /* FALLTHROUGH */
1.166 schwarze 1949: case MDOC_Op:
1.107 schwarze 1950: /* FALLTHROUGH */
1.166 schwarze 1951: case MDOC_Bo:
1.107 schwarze 1952: /* FALLTHROUGH */
1.166 schwarze 1953: case MDOC_Bq:
1.107 schwarze 1954: term_word(p, "]");
1955: break;
1.166 schwarze 1956: case MDOC_Do:
1.107 schwarze 1957: /* FALLTHROUGH */
1.166 schwarze 1958: case MDOC_Dq:
1.151 schwarze 1959: term_word(p, "\\(rq");
1.170 schwarze 1960: break;
1961: case MDOC_En:
1962: if (NULL != n->norm->Es &&
1963: NULL != n->norm->Es->child &&
1964: NULL != n->norm->Es->child->next) {
1965: p->flags |= TERMP_NOSPACE;
1966: term_word(p, n->norm->Es->child->next->string);
1967: }
1.139 schwarze 1968: break;
1.166 schwarze 1969: case MDOC_Eo:
1.107 schwarze 1970: break;
1.166 schwarze 1971: case MDOC_Po:
1.107 schwarze 1972: /* FALLTHROUGH */
1.166 schwarze 1973: case MDOC_Pq:
1.107 schwarze 1974: term_word(p, ")");
1975: break;
1.166 schwarze 1976: case MDOC__T:
1.120 schwarze 1977: /* FALLTHROUGH */
1.166 schwarze 1978: case MDOC_Qo:
1.107 schwarze 1979: /* FALLTHROUGH */
1.166 schwarze 1980: case MDOC_Qq:
1.107 schwarze 1981: term_word(p, "\"");
1982: break;
1.166 schwarze 1983: case MDOC_Ql:
1.107 schwarze 1984: /* FALLTHROUGH */
1.166 schwarze 1985: case MDOC_So:
1.107 schwarze 1986: /* FALLTHROUGH */
1.166 schwarze 1987: case MDOC_Sq:
1.151 schwarze 1988: term_word(p, "\\(cq");
1.107 schwarze 1989: break;
1990: default:
1991: abort();
1992: /* NOTREACHED */
1993: }
1.1 kristaps 1994: }
1995:
1996: static int
1997: termp_fo_pre(DECL_ARGS)
1998: {
1.159 schwarze 1999: size_t rmargin = 0;
1.158 schwarze 2000: int pretty;
2001:
2002: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2003:
1.85 schwarze 2004: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2005: synopsis_pre(p, n);
1.85 schwarze 2006: return(1);
2007: } else if (MDOC_BODY == n->type) {
1.158 schwarze 2008: if (pretty) {
2009: rmargin = p->rmargin;
1.159 schwarze 2010: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2011: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2012: TERMP_HANG;
1.158 schwarze 2013: }
1.31 schwarze 2014: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2015: term_word(p, "(");
1.132 schwarze 2016: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2017: if (pretty) {
2018: term_flushln(p);
1.165 schwarze 2019: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2020: TERMP_HANG);
1.158 schwarze 2021: p->offset = p->rmargin;
2022: p->rmargin = rmargin;
2023: }
1.1 kristaps 2024: return(1);
1.158 schwarze 2025: }
1.85 schwarze 2026:
1.95 schwarze 2027: if (NULL == n->child)
2028: return(0);
2029:
1.85 schwarze 2030: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2031:
1.85 schwarze 2032: assert(n->child->string);
1.65 schwarze 2033: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2034: term_word(p, n->child->string);
1.1 kristaps 2035: return(0);
2036: }
2037:
2038: static void
2039: termp_fo_post(DECL_ARGS)
2040: {
2041:
1.166 schwarze 2042: if (MDOC_BODY != n->type)
1.86 schwarze 2043: return;
2044:
1.132 schwarze 2045: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2046: term_word(p, ")");
2047:
1.132 schwarze 2048: if (MDOC_SYNPRETTY & n->flags) {
2049: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2050: term_word(p, ";");
1.158 schwarze 2051: term_flushln(p);
1.132 schwarze 2052: }
1.1 kristaps 2053: }
2054:
2055: static int
2056: termp_bf_pre(DECL_ARGS)
2057: {
2058:
1.60 schwarze 2059: if (MDOC_HEAD == n->type)
1.1 kristaps 2060: return(0);
1.146 schwarze 2061: else if (MDOC_BODY != n->type)
1.1 kristaps 2062: return(1);
2063:
1.166 schwarze 2064: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2065: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2066: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2067: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2068: else
1.65 schwarze 2069: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2070:
2071: return(1);
2072: }
2073:
2074: static int
2075: termp_sm_pre(DECL_ARGS)
2076: {
2077:
1.171 schwarze 2078: if (NULL == n->child)
2079: p->flags ^= TERMP_NONOSPACE;
2080: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2081: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2082: else
1.1 kristaps 2083: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2084:
2085: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2086: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2087:
2088: return(0);
2089: }
2090:
2091: static int
2092: termp_ap_pre(DECL_ARGS)
2093: {
2094:
2095: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2096: term_word(p, "'");
1.1 kristaps 2097: p->flags |= TERMP_NOSPACE;
2098: return(1);
2099: }
2100:
2101: static void
2102: termp____post(DECL_ARGS)
2103: {
1.104 schwarze 2104:
2105: /*
2106: * Handle lists of authors. In general, print each followed by
2107: * a comma. Don't print the comma if there are only two
2108: * authors.
2109: */
2110: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2111: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2112: if (NULL == n->prev || MDOC__A != n->prev->tok)
2113: return;
1.1 kristaps 2114:
1.62 schwarze 2115: /* TODO: %U. */
2116:
1.106 schwarze 2117: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2118: return;
2119:
1.132 schwarze 2120: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2121: if (NULL == n->next) {
2122: term_word(p, ".");
2123: p->flags |= TERMP_SENTENCE;
2124: } else
2125: term_word(p, ",");
1.1 kristaps 2126: }
2127:
2128: static int
1.65 schwarze 2129: termp_li_pre(DECL_ARGS)
2130: {
2131:
2132: term_fontpush(p, TERMFONT_NONE);
2133: return(1);
2134: }
2135:
2136: static int
1.1 kristaps 2137: termp_lk_pre(DECL_ARGS)
2138: {
1.142 schwarze 2139: const struct mdoc_node *link, *descr;
1.1 kristaps 2140:
1.142 schwarze 2141: if (NULL == (link = n->child))
2142: return(0);
1.101 schwarze 2143:
1.142 schwarze 2144: if (NULL != (descr = link->next)) {
2145: term_fontpush(p, TERMFONT_UNDER);
2146: while (NULL != descr) {
2147: term_word(p, descr->string);
2148: descr = descr->next;
2149: }
2150: p->flags |= TERMP_NOSPACE;
2151: term_word(p, ":");
2152: term_fontpop(p);
2153: }
1.1 kristaps 2154:
1.65 schwarze 2155: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2156: term_word(p, link->string);
1.65 schwarze 2157: term_fontpop(p);
1.6 schwarze 2158:
1.1 kristaps 2159: return(0);
2160: }
2161:
1.90 schwarze 2162: static int
2163: termp_bk_pre(DECL_ARGS)
2164: {
2165:
1.91 schwarze 2166: switch (n->type) {
1.166 schwarze 2167: case MDOC_BLOCK:
1.95 schwarze 2168: break;
1.166 schwarze 2169: case MDOC_HEAD:
1.91 schwarze 2170: return(0);
1.166 schwarze 2171: case MDOC_BODY:
1.117 schwarze 2172: if (n->parent->args || 0 == n->prev->nchild)
2173: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2174: break;
1.91 schwarze 2175: default:
2176: abort();
1.95 schwarze 2177: /* NOTREACHED */
1.91 schwarze 2178: }
1.95 schwarze 2179:
2180: return(1);
1.90 schwarze 2181: }
2182:
2183: static void
2184: termp_bk_post(DECL_ARGS)
2185: {
2186:
1.155 schwarze 2187: if (MDOC_BODY == n->type)
1.91 schwarze 2188: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2189: }
1.120 schwarze 2190:
2191: static void
2192: termp__t_post(DECL_ARGS)
2193: {
2194:
2195: /*
2196: * If we're in an `Rs' and there's a journal present, then quote
2197: * us instead of underlining us (for disambiguation).
2198: */
1.121 schwarze 2199: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2200: n->parent->norm->Rs.quote_T)
1.147 schwarze 2201: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2202:
1.147 schwarze 2203: termp____post(p, pair, meta, n);
1.120 schwarze 2204: }
2205:
2206: static int
2207: termp__t_pre(DECL_ARGS)
2208: {
2209:
2210: /*
2211: * If we're in an `Rs' and there's a journal present, then quote
2212: * us instead of underlining us (for disambiguation).
2213: */
1.121 schwarze 2214: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2215: n->parent->norm->Rs.quote_T)
1.147 schwarze 2216: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2217:
2218: term_fontpush(p, TERMFONT_UNDER);
2219: return(1);
1.121 schwarze 2220: }
1.1 kristaps 2221:
2222: static int
1.54 schwarze 2223: termp_under_pre(DECL_ARGS)
1.1 kristaps 2224: {
2225:
1.65 schwarze 2226: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2227: return(1);
2228: }
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