Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.207
1.207 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.206 2015/02/05 00:13:34 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.202 schwarze 4: * Copyright (c) 2010, 2012-2015 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>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.81 schwarze 29: #include "mandoc.h"
1.168 schwarze 30: #include "mandoc_aux.h"
1.61 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
33: #include "mdoc.h"
1.61 schwarze 34: #include "main.h"
1.54 schwarze 35:
1.1 kristaps 36: struct termpair {
37: struct termpair *ppair;
1.27 schwarze 38: int count;
1.1 kristaps 39: };
40:
1.29 schwarze 41: #define DECL_ARGS struct termp *p, \
42: struct termpair *pair, \
1.166 schwarze 43: const struct mdoc_meta *meta, \
1.146 schwarze 44: struct mdoc_node *n
1.1 kristaps 45:
46: struct termact {
47: int (*pre)(DECL_ARGS);
48: void (*post)(DECL_ARGS);
49: };
1.29 schwarze 50:
1.201 schwarze 51: static int a2width(const struct termp *, const char *);
1.62 schwarze 52:
53: static void print_bvspace(struct termp *,
54: const struct mdoc_node *,
55: const struct mdoc_node *);
1.166 schwarze 56: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 57: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 58: static void print_mdoc_head(struct termp *, const void *);
59: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 60: static void synopsis_pre(struct termp *,
1.86 schwarze 61: const struct mdoc_node *);
1.62 schwarze 62:
1.29 schwarze 63: static void termp____post(DECL_ARGS);
1.120 schwarze 64: static void termp__t_post(DECL_ARGS);
1.29 schwarze 65: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 66: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 68: static void termp_eo_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);
1.205 schwarze 93: static int termp_eo_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);
1.193 schwarze 113: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 114: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 115: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 117: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 119: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 120: static int termp_xr_pre(DECL_ARGS);
121: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 122:
1.54 schwarze 123: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 124: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 125: { NULL, NULL }, /* Dd */
126: { NULL, NULL }, /* Dt */
127: { NULL, NULL }, /* Os */
128: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 129: { termp_ss_pre, termp_ss_post }, /* Ss */
130: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 131: { termp_d1_pre, termp_bl_post }, /* D1 */
132: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 133: { termp_bd_pre, termp_bd_post }, /* Bd */
134: { NULL, NULL }, /* Ed */
1.73 schwarze 135: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 136: { NULL, NULL }, /* El */
137: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 138: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 139: { termp_an_pre, NULL }, /* An */
1.54 schwarze 140: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 141: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 142: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 143: { NULL, NULL }, /* Dv */
144: { NULL, NULL }, /* Er */
145: { NULL, NULL }, /* Ev */
1.1 kristaps 146: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 147: { termp_fa_pre, NULL }, /* Fa */
148: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 149: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 150: { termp_fn_pre, NULL }, /* Fn */
151: { termp_ft_pre, NULL }, /* Ft */
152: { termp_bold_pre, NULL }, /* Ic */
153: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 154: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 155: { termp_nd_pre, NULL }, /* Nd */
156: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 157: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 158: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 159: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 160: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 161: { NULL, NULL }, /* St */
1.54 schwarze 162: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 163: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 164: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 165: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 167: { NULL, termp____post }, /* %D */
1.58 schwarze 168: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 169: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 170: { NULL, termp____post }, /* %N */
171: { NULL, termp____post }, /* %O */
172: { NULL, termp____post }, /* %P */
173: { NULL, termp____post }, /* %R */
1.120 schwarze 174: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 175: { NULL, termp____post }, /* %V */
176: { NULL, NULL }, /* Ac */
1.107 schwarze 177: { termp_quote_pre, termp_quote_post }, /* Ao */
178: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 179: { NULL, NULL }, /* At */
1.1 kristaps 180: { NULL, NULL }, /* Bc */
1.166 schwarze 181: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 182: { termp_quote_pre, termp_quote_post }, /* Bo */
183: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 184: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 185: { termp_bx_pre, NULL }, /* Bx */
1.193 schwarze 186: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 187: { NULL, NULL }, /* Dc */
1.107 schwarze 188: { termp_quote_pre, termp_quote_post }, /* Do */
189: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 190: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 191: { NULL, NULL }, /* Ef */
1.166 schwarze 192: { termp_under_pre, NULL }, /* Em */
1.205 schwarze 193: { termp_eo_pre, termp_eo_post }, /* Eo */
1.26 schwarze 194: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 195: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 196: { termp_li_pre, NULL }, /* No */
1.1 kristaps 197: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 198: { termp_xx_pre, NULL }, /* Nx */
199: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 200: { NULL, NULL }, /* Pc */
1.156 schwarze 201: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 202: { termp_quote_pre, termp_quote_post }, /* Po */
203: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 204: { NULL, NULL }, /* Qc */
1.107 schwarze 205: { termp_quote_pre, termp_quote_post }, /* Ql */
206: { termp_quote_pre, termp_quote_post }, /* Qo */
207: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 208: { NULL, NULL }, /* Re */
209: { termp_rs_pre, NULL }, /* Rs */
210: { NULL, NULL }, /* Sc */
1.107 schwarze 211: { termp_quote_pre, termp_quote_post }, /* So */
212: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 213: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 214: { termp_under_pre, NULL }, /* Sx */
215: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 216: { NULL, NULL }, /* Tn */
1.26 schwarze 217: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 218: { NULL, NULL }, /* Xc */
219: { NULL, NULL }, /* Xo */
1.166 schwarze 220: { termp_fo_pre, termp_fo_post }, /* Fo */
221: { NULL, NULL }, /* Fc */
1.107 schwarze 222: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 223: { NULL, NULL }, /* Oc */
1.90 schwarze 224: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 225: { NULL, NULL }, /* Ek */
226: { termp_bt_pre, NULL }, /* Bt */
227: { NULL, NULL }, /* Hf */
1.170 schwarze 228: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 229: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 230: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 231: { termp_sp_pre, NULL }, /* Lp */
232: { termp_lk_pre, NULL }, /* Lk */
233: { termp_under_pre, NULL }, /* Mt */
234: { termp_quote_pre, termp_quote_post }, /* Brq */
235: { termp_quote_pre, termp_quote_post }, /* Bro */
236: { NULL, NULL }, /* Brc */
237: { NULL, termp____post }, /* %C */
1.193 schwarze 238: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 239: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 240: { termp_xx_pre, NULL }, /* Dx */
241: { NULL, termp____post }, /* %Q */
1.54 schwarze 242: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 243: { termp_sp_pre, NULL }, /* sp */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.162 schwarze 246: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 247: };
248:
249:
1.55 schwarze 250: void
1.61 schwarze 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.147 schwarze 253: const struct mdoc_meta *meta;
1.180 schwarze 254: struct mdoc_node *n;
1.61 schwarze 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.71 schwarze 258:
259: p->overstep = 0;
1.180 schwarze 260: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 261: p->tabwidth = term_len(p, 5);
1.55 schwarze 262:
1.180 schwarze 263: n = mdoc_node(mdoc)->child;
1.147 schwarze 264: meta = mdoc_meta(mdoc);
1.55 schwarze 265:
1.180 schwarze 266: if (p->synopsisonly) {
267: while (n != NULL) {
268: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
269: if (n->child->next->child != NULL)
270: print_mdoc_nodelist(p, NULL,
271: meta, n->child->next->child);
272: term_newln(p);
273: break;
274: }
275: n = n->next;
276: }
277: } else {
278: if (p->defindent == 0)
279: p->defindent = 5;
280: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
281: if (n != NULL) {
282: if (n->tok != MDOC_Sh)
283: term_vspace(p);
284: print_mdoc_nodelist(p, NULL, meta, n);
285: }
286: term_end(p);
1.173 schwarze 287: }
1.1 kristaps 288: }
289:
290: static void
1.65 schwarze 291: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 292: {
293:
1.203 schwarze 294: while (n != NULL) {
295: print_mdoc_node(p, pair, meta, n);
296: n = n->next;
297: }
1.1 kristaps 298: }
299:
300: static void
1.65 schwarze 301: print_mdoc_node(DECL_ARGS)
1.1 kristaps 302: {
1.65 schwarze 303: int chld;
1.1 kristaps 304: struct termpair npair;
1.28 schwarze 305: size_t offset, rmargin;
1.1 kristaps 306:
1.54 schwarze 307: chld = 1;
1.28 schwarze 308: offset = p->offset;
309: rmargin = p->rmargin;
1.204 schwarze 310: n->prev_font = p->fonti;
1.1 kristaps 311:
1.63 schwarze 312: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 313: npair.ppair = pair;
1.65 schwarze 314:
1.95 schwarze 315: /*
316: * Keeps only work until the end of a line. If a keep was
317: * invoked in a prior line, revert it to PREKEEP.
318: */
319:
1.206 schwarze 320: if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
321: p->flags &= ~TERMP_KEEP;
322: p->flags |= TERMP_PREKEEP;
1.95 schwarze 323: }
1.116 schwarze 324:
325: /*
1.128 schwarze 326: * After the keep flags have been set up, we may now
327: * produce output. Note that some pre-handlers do so.
328: */
329:
330: switch (n->type) {
1.166 schwarze 331: case MDOC_TEXT:
1.128 schwarze 332: if (' ' == *n->string && MDOC_LINE & n->flags)
333: term_newln(p);
1.132 schwarze 334: if (MDOC_DELIMC & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.128 schwarze 336: term_word(p, n->string);
1.132 schwarze 337: if (MDOC_DELIMO & n->flags)
338: p->flags |= TERMP_NOSPACE;
1.128 schwarze 339: break;
1.166 schwarze 340: case MDOC_EQN:
1.183 schwarze 341: if ( ! (n->flags & MDOC_LINE))
342: p->flags |= TERMP_NOSPACE;
1.135 schwarze 343: term_eqn(p, n->eqn);
1.185 schwarze 344: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.184 schwarze 345: p->flags |= TERMP_NOSPACE;
1.131 schwarze 346: break;
1.166 schwarze 347: case MDOC_TBL:
1.128 schwarze 348: term_tbl(p, n->span);
349: break;
350: default:
1.194 schwarze 351: if (termacts[n->tok].pre &&
352: (n->end == ENDBODY_NOT || n->nchild))
1.128 schwarze 353: chld = (*termacts[n->tok].pre)
1.147 schwarze 354: (p, &npair, meta, n);
1.128 schwarze 355: break;
356: }
1.95 schwarze 357:
1.60 schwarze 358: if (chld && n->child)
1.147 schwarze 359: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 360:
1.146 schwarze 361: term_fontpopq(p,
362: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 363:
1.122 schwarze 364: switch (n->type) {
1.166 schwarze 365: case MDOC_TEXT:
1.122 schwarze 366: break;
1.166 schwarze 367: case MDOC_TBL:
1.131 schwarze 368: break;
1.166 schwarze 369: case MDOC_EQN:
1.122 schwarze 370: break;
371: default:
372: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
373: break;
1.147 schwarze 374: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 375:
376: /*
377: * Explicit end tokens not only call the post
378: * handler, but also tell the respective block
379: * that it must not call the post handler again.
380: */
1.95 schwarze 381: if (ENDBODY_NOT != n->end)
1.93 schwarze 382: n->pending->flags |= MDOC_ENDED;
383:
384: /*
385: * End of line terminating an implicit block
386: * while an explicit block is still open.
387: * Continue the explicit block without spacing.
388: */
389: if (ENDBODY_NOSPACE == n->end)
390: p->flags |= TERMP_NOSPACE;
1.122 schwarze 391: break;
1.93 schwarze 392: }
1.28 schwarze 393:
1.78 schwarze 394: if (MDOC_EOS & n->flags)
395: p->flags |= TERMP_SENTENCE;
396:
1.162 schwarze 397: if (MDOC_ll != n->tok) {
398: p->offset = offset;
399: p->rmargin = rmargin;
400: }
1.1 kristaps 401: }
402:
403: static void
1.87 schwarze 404: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 405: {
1.147 schwarze 406: const struct mdoc_meta *meta;
1.191 schwarze 407: size_t sz;
1.87 schwarze 408:
1.147 schwarze 409: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 410:
1.65 schwarze 411: term_fontrepl(p, TERMFONT_NONE);
412:
1.166 schwarze 413: /*
1.7 schwarze 414: * Output the footer in new-groff style, that is, three columns
415: * with the middle being the manual date and flanking columns
416: * being the operating system:
417: *
418: * SYSTEM DATE SYSTEM
419: */
420:
1.1 kristaps 421: term_vspace(p);
422:
1.7 schwarze 423: p->offset = 0;
1.191 schwarze 424: sz = term_strlen(p, meta->date);
425: p->rmargin = p->maxrmargin > sz ?
426: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 427: p->trailspace = 1;
1.1 kristaps 428: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
429:
1.147 schwarze 430: term_word(p, meta->os);
1.1 kristaps 431: term_flushln(p);
432:
1.7 schwarze 433: p->offset = p->rmargin;
1.191 schwarze 434: sz = term_strlen(p, meta->os);
435: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
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 :
1.191 schwarze 497: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
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:
1.201 schwarze 527: static int
1.89 schwarze 528: a2width(const struct termp *p, const char *v)
1.61 schwarze 529: {
530: struct roffsu su;
1.1 kristaps 531:
1.199 schwarze 532: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 533: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 534: su.scale /= term_strlen(p, "0");
1.201 schwarze 535: }
1.89 schwarze 536: return(term_hspan(p, &su));
1.1 kristaps 537: }
538:
1.68 schwarze 539: /*
540: * Determine how much space to print out before block elements of `It'
541: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
542: * too.
543: */
1.45 schwarze 544: static void
1.166 schwarze 545: print_bvspace(struct termp *p,
546: const struct mdoc_node *bl,
547: const struct mdoc_node *n)
1.1 kristaps 548: {
1.60 schwarze 549: const struct mdoc_node *nn;
1.138 schwarze 550:
551: assert(n);
1.1 kristaps 552:
553: term_newln(p);
1.88 schwarze 554:
1.121 schwarze 555: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 556: return;
1.121 schwarze 557: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 558: return;
559:
1.60 schwarze 560: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 561:
1.188 schwarze 562: nn = n;
563: while (nn->prev == NULL) {
564: do {
565: nn = nn->parent;
566: if (nn->type == MDOC_ROOT)
567: return;
568: } while (nn->type != MDOC_BLOCK);
569: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 570: return;
1.188 schwarze 571: if (nn->tok == MDOC_It &&
572: nn->parent->parent->norm->Bl.type != LIST_item)
573: break;
1.1 kristaps 574: }
575:
1.60 schwarze 576: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 577:
1.121 schwarze 578: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 579: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 580: return;
581:
1.60 schwarze 582: /* A `-diag' without body does not vspace. */
583:
1.121 schwarze 584: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 585: if (n->prev && MDOC_It == n->prev->tok) {
586: assert(n->prev->body);
587: if (NULL == n->prev->body->child)
1.45 schwarze 588: return;
589: }
590:
591: term_vspace(p);
1.162 schwarze 592: }
593:
594:
595: static int
596: termp_ll_pre(DECL_ARGS)
597: {
598:
1.163 schwarze 599: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 600: return(0);
1.1 kristaps 601: }
602:
603: static int
604: termp_it_pre(DECL_ARGS)
605: {
1.201 schwarze 606: char buf[24];
1.60 schwarze 607: const struct mdoc_node *bl, *nn;
1.201 schwarze 608: size_t ncols, dcol;
609: int i, offset, width;
1.82 schwarze 610: enum mdoc_list type;
1.1 kristaps 611:
1.60 schwarze 612: if (MDOC_BLOCK == n->type) {
1.61 schwarze 613: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 614: return(1);
615: }
1.1 kristaps 616:
1.60 schwarze 617: bl = n->parent->parent->parent;
1.121 schwarze 618: type = bl->norm->Bl.type;
1.1 kristaps 619:
1.166 schwarze 620: /*
1.201 schwarze 621: * Defaults for specific list types.
622: */
623:
624: switch (type) {
625: case LIST_bullet:
626: /* FALLTHROUGH */
627: case LIST_dash:
628: /* FALLTHROUGH */
629: case LIST_hyphen:
630: /* FALLTHROUGH */
631: case LIST_enum:
632: width = term_len(p, 2);
633: break;
634: case LIST_hang:
635: width = term_len(p, 8);
636: break;
637: case LIST_column:
638: /* FALLTHROUGH */
639: case LIST_tag:
640: width = term_len(p, 10);
641: break;
642: default:
643: width = 0;
644: break;
645: }
646: offset = 0;
647:
648: /*
1.68 schwarze 649: * First calculate width and offset. This is pretty easy unless
650: * we're a -column list, in which case all prior columns must
651: * be accounted for.
652: */
653:
1.201 schwarze 654: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 655: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 656: if (offset < 0 && (size_t)(-offset) > p->offset)
657: offset = -p->offset;
658: else if (offset > SHRT_MAX)
659: offset = 0;
660: }
1.66 schwarze 661:
1.1 kristaps 662: switch (type) {
1.166 schwarze 663: case LIST_column:
1.85 schwarze 664: if (MDOC_HEAD == n->type)
1.1 kristaps 665: break;
1.88 schwarze 666:
1.66 schwarze 667: /*
1.68 schwarze 668: * Imitate groff's column handling:
669: * - For each earlier column, add its width.
670: * - For less than 5 columns, add four more blanks per
671: * column.
672: * - For exactly 5 columns, add three more blank per
673: * column.
674: * - For more than 5 columns, add only one column.
1.66 schwarze 675: */
1.121 schwarze 676: ncols = bl->norm->Bl.ncols;
1.166 schwarze 677: dcol = ncols < 5 ? term_len(p, 4) :
678: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 679:
1.85 schwarze 680: /*
681: * Calculate the offset by applying all prior MDOC_BODY,
682: * so we stop at the MDOC_HEAD (NULL == nn->prev).
683: */
684:
1.166 schwarze 685: for (i = 0, nn = n->prev;
686: nn->prev && i < (int)ncols;
687: nn = nn->prev, i++)
688: offset += dcol + a2width(p,
689: bl->norm->Bl.cols[i]);
1.66 schwarze 690:
691: /*
1.68 schwarze 692: * When exceeding the declared number of columns, leave
693: * the remaining widths at 0. This will later be
694: * adjusted to the default width of 10, or, for the last
695: * column, stretched to the right margin.
1.46 schwarze 696: */
1.68 schwarze 697: if (i >= (int)ncols)
698: break;
1.46 schwarze 699:
1.66 schwarze 700: /*
1.68 schwarze 701: * Use the declared column widths, extended as explained
702: * in the preceding paragraph.
1.66 schwarze 703: */
1.121 schwarze 704: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 705: break;
706: default:
1.121 schwarze 707: if (NULL == bl->norm->Bl.width)
1.68 schwarze 708: break;
709:
1.166 schwarze 710: /*
1.68 schwarze 711: * Note: buffer the width by 2, which is groff's magic
712: * number for buffering single arguments. See the above
713: * handling for column for how this changes.
714: */
1.121 schwarze 715: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 716: if (width < 0 && (size_t)(-width) > p->offset)
717: width = -p->offset;
718: else if (width > SHRT_MAX)
719: width = 0;
1.1 kristaps 720: break;
721: }
722:
1.166 schwarze 723: /*
1.16 schwarze 724: * Whitespace control. Inset bodies need an initial space,
725: * while diagonal bodies need two.
1.1 kristaps 726: */
727:
1.42 schwarze 728: p->flags |= TERMP_NOSPACE;
729:
1.1 kristaps 730: switch (type) {
1.166 schwarze 731: case LIST_diag:
1.60 schwarze 732: if (MDOC_BODY == n->type)
1.48 schwarze 733: term_word(p, "\\ \\ ");
1.42 schwarze 734: break;
1.166 schwarze 735: case LIST_inset:
1.172 schwarze 736: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 737: term_word(p, "\\ ");
1.1 kristaps 738: break;
739: default:
740: break;
741: }
742:
1.42 schwarze 743: p->flags |= TERMP_NOSPACE;
744:
1.1 kristaps 745: switch (type) {
1.166 schwarze 746: case LIST_diag:
1.60 schwarze 747: if (MDOC_HEAD == n->type)
1.65 schwarze 748: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
754: /*
1.68 schwarze 755: * Pad and break control. This is the tricky part. These flags
756: * are documented in term_flushln() in term.c. Note that we're
757: * going to unset all of these flags in termp_it_post() when we
758: * exit.
1.1 kristaps 759: */
760:
761: switch (type) {
1.166 schwarze 762: case LIST_enum:
1.144 schwarze 763: /*
764: * Weird special case.
1.201 schwarze 765: * Some very narrow lists actually hang.
1.144 schwarze 766: */
767: /* FALLTHROUGH */
1.166 schwarze 768: case LIST_bullet:
1.1 kristaps 769: /* FALLTHROUGH */
1.166 schwarze 770: case LIST_dash:
1.1 kristaps 771: /* FALLTHROUGH */
1.166 schwarze 772: case LIST_hyphen:
1.201 schwarze 773: if (width <= (int)term_len(p, 2))
774: p->flags |= TERMP_HANG;
1.152 schwarze 775: if (MDOC_HEAD != n->type)
776: break;
777: p->flags |= TERMP_NOBREAK;
778: p->trailspace = 1;
1.33 schwarze 779: break;
1.166 schwarze 780: case LIST_hang:
1.152 schwarze 781: if (MDOC_HEAD != n->type)
1.47 schwarze 782: break;
783:
784: /*
785: * This is ugly. If `-hang' is specified and the body
786: * is a `Bl' or `Bd', then we want basically to nullify
787: * the "overstep" effect in term_flushln() and treat
788: * this as a `-ohang' list instead.
789: */
1.178 schwarze 790: if (NULL != n->next &&
791: NULL != n->next->child &&
1.166 schwarze 792: (MDOC_Bl == n->next->child->tok ||
793: MDOC_Bd == n->next->child->tok))
1.152 schwarze 794: break;
795:
1.165 schwarze 796: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 797: p->trailspace = 1;
1.33 schwarze 798: break;
1.166 schwarze 799: case LIST_tag:
1.60 schwarze 800: if (MDOC_HEAD != n->type)
1.33 schwarze 801: break;
1.152 schwarze 802:
1.165 schwarze 803: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 804: p->trailspace = 2;
805:
1.60 schwarze 806: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 807: p->flags |= TERMP_DANGLE;
1.1 kristaps 808: break;
1.166 schwarze 809: case LIST_column:
1.85 schwarze 810: if (MDOC_HEAD == n->type)
811: break;
812:
1.152 schwarze 813: if (NULL == n->next) {
1.85 schwarze 814: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 815: p->trailspace = 0;
816: } else {
1.85 schwarze 817: p->flags |= TERMP_NOBREAK;
1.152 schwarze 818: p->trailspace = 1;
819: }
1.85 schwarze 820:
1.1 kristaps 821: break;
1.166 schwarze 822: case LIST_diag:
1.152 schwarze 823: if (MDOC_HEAD != n->type)
824: break;
1.165 schwarze 825: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 826: p->trailspace = 1;
1.1 kristaps 827: break;
828: default:
829: break;
830: }
831:
1.166 schwarze 832: /*
1.1 kristaps 833: * Margin control. Set-head-width lists have their right
834: * margins shortened. The body for these lists has the offset
835: * necessarily lengthened. Everybody gets the offset.
836: */
837:
838: p->offset += offset;
839:
840: switch (type) {
1.166 schwarze 841: case LIST_hang:
1.47 schwarze 842: /*
843: * Same stipulation as above, regarding `-hang'. We
844: * don't want to recalculate rmargin and offsets when
845: * using `Bd' or `Bl' within `-hang' overstep lists.
846: */
1.178 schwarze 847: if (MDOC_HEAD == n->type &&
848: NULL != n->next &&
849: NULL != n->next->child &&
1.166 schwarze 850: (MDOC_Bl == n->next->child->tok ||
851: MDOC_Bd == n->next->child->tok))
1.47 schwarze 852: break;
853: /* FALLTHROUGH */
1.166 schwarze 854: case LIST_bullet:
1.1 kristaps 855: /* FALLTHROUGH */
1.166 schwarze 856: case LIST_dash:
1.1 kristaps 857: /* FALLTHROUGH */
1.166 schwarze 858: case LIST_enum:
1.1 kristaps 859: /* FALLTHROUGH */
1.166 schwarze 860: case LIST_hyphen:
1.33 schwarze 861: /* FALLTHROUGH */
1.166 schwarze 862: case LIST_tag:
1.60 schwarze 863: if (MDOC_HEAD == n->type)
1.1 kristaps 864: p->rmargin = p->offset + width;
1.191 schwarze 865: else
1.1 kristaps 866: p->offset += width;
867: break;
1.166 schwarze 868: case LIST_column:
1.41 schwarze 869: assert(width);
1.1 kristaps 870: p->rmargin = p->offset + width;
1.166 schwarze 871: /*
1.43 schwarze 872: * XXX - this behaviour is not documented: the
873: * right-most column is filled to the right margin.
874: */
1.85 schwarze 875: if (MDOC_HEAD == n->type)
876: break;
877: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 878: p->rmargin = p->maxrmargin;
1.1 kristaps 879: break;
880: default:
881: break;
882: }
883:
1.166 schwarze 884: /*
1.1 kristaps 885: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 886: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 887: */
888:
1.60 schwarze 889: if (MDOC_HEAD == n->type)
1.1 kristaps 890: switch (type) {
1.166 schwarze 891: case LIST_bullet:
1.65 schwarze 892: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 893: term_word(p, "\\[bu]");
1.65 schwarze 894: term_fontpop(p);
1.1 kristaps 895: break;
1.166 schwarze 896: case LIST_dash:
1.1 kristaps 897: /* FALLTHROUGH */
1.166 schwarze 898: case LIST_hyphen:
1.65 schwarze 899: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 900: term_word(p, "\\(hy");
1.65 schwarze 901: term_fontpop(p);
1.1 kristaps 902: break;
1.166 schwarze 903: case LIST_enum:
1.1 kristaps 904: (pair->ppair->ppair->count)++;
1.167 schwarze 905: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 906: pair->ppair->ppair->count);
1.1 kristaps 907: term_word(p, buf);
908: break;
909: default:
910: break;
911: }
1.12 schwarze 912:
1.166 schwarze 913: /*
1.1 kristaps 914: * If we're not going to process our children, indicate so here.
915: */
916:
917: switch (type) {
1.166 schwarze 918: case LIST_bullet:
1.1 kristaps 919: /* FALLTHROUGH */
1.166 schwarze 920: case LIST_item:
1.1 kristaps 921: /* FALLTHROUGH */
1.166 schwarze 922: case LIST_dash:
1.1 kristaps 923: /* FALLTHROUGH */
1.166 schwarze 924: case LIST_hyphen:
1.1 kristaps 925: /* FALLTHROUGH */
1.166 schwarze 926: case LIST_enum:
1.60 schwarze 927: if (MDOC_HEAD == n->type)
1.1 kristaps 928: return(0);
929: break;
1.166 schwarze 930: case LIST_column:
1.85 schwarze 931: if (MDOC_HEAD == n->type)
1.1 kristaps 932: return(0);
933: break;
934: default:
935: break;
936: }
937:
938: return(1);
939: }
940:
941: static void
942: termp_it_post(DECL_ARGS)
943: {
1.82 schwarze 944: enum mdoc_list type;
1.1 kristaps 945:
1.68 schwarze 946: if (MDOC_BLOCK == n->type)
1.1 kristaps 947: return;
948:
1.121 schwarze 949: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 950:
951: switch (type) {
1.166 schwarze 952: case LIST_item:
1.44 schwarze 953: /* FALLTHROUGH */
1.166 schwarze 954: case LIST_diag:
1.1 kristaps 955: /* FALLTHROUGH */
1.166 schwarze 956: case LIST_inset:
1.60 schwarze 957: if (MDOC_BODY == n->type)
1.74 schwarze 958: term_newln(p);
1.1 kristaps 959: break;
1.166 schwarze 960: case LIST_column:
1.85 schwarze 961: if (MDOC_BODY == n->type)
1.1 kristaps 962: term_flushln(p);
963: break;
964: default:
1.74 schwarze 965: term_newln(p);
1.1 kristaps 966: break;
967: }
968:
1.166 schwarze 969: /*
1.68 schwarze 970: * Now that our output is flushed, we can reset our tags. Since
971: * only `It' sets these flags, we're free to assume that nobody
972: * has munged them in the meanwhile.
973: */
974:
1.165 schwarze 975: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
976: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 977: p->trailspace = 0;
1.1 kristaps 978: }
979:
980: static int
981: termp_nm_pre(DECL_ARGS)
982: {
1.195 schwarze 983: const char *cp;
1.1 kristaps 984:
1.155 schwarze 985: if (MDOC_BLOCK == n->type) {
986: p->flags |= TERMP_PREKEEP;
1.94 schwarze 987: return(1);
1.155 schwarze 988: }
1.94 schwarze 989:
990: if (MDOC_BODY == n->type) {
991: if (NULL == n->child)
992: return(0);
1.136 schwarze 993: p->flags |= TERMP_NOSPACE;
1.195 schwarze 994: cp = NULL;
995: if (n->prev->child != NULL)
996: cp = n->prev->child->string;
997: if (cp == NULL)
998: cp = meta->name;
999: if (cp == NULL)
1000: p->offset += term_len(p, 6);
1001: else
1002: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.94 schwarze 1003: return(1);
1004: }
1005:
1.147 schwarze 1006: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1007: return(0);
1.81 schwarze 1008:
1.97 schwarze 1009: if (MDOC_HEAD == n->type)
1010: synopsis_pre(p, n->parent);
1.65 schwarze 1011:
1.178 schwarze 1012: if (MDOC_HEAD == n->type &&
1013: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1014: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1015: p->trailspace = 1;
1.105 schwarze 1016: p->rmargin = p->offset + term_len(p, 1);
1017: if (NULL == n->child) {
1.147 schwarze 1018: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1019: } else if (MDOC_TEXT == n->child->type) {
1020: p->rmargin += term_strlen(p, n->child->string);
1021: if (n->child->next)
1022: p->flags |= TERMP_HANG;
1023: } else {
1024: p->rmargin += term_len(p, 5);
1025: p->flags |= TERMP_HANG;
1026: }
1.94 schwarze 1027: }
1028:
1.65 schwarze 1029: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1030: if (NULL == n->child)
1.147 schwarze 1031: term_word(p, meta->name);
1.1 kristaps 1032: return(1);
1033: }
1034:
1.94 schwarze 1035: static void
1036: termp_nm_post(DECL_ARGS)
1037: {
1038:
1.155 schwarze 1039: if (MDOC_BLOCK == n->type) {
1040: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1041: } else if (MDOC_HEAD == n->type &&
1042: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1043: term_flushln(p);
1.165 schwarze 1044: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1045: p->trailspace = 0;
1.136 schwarze 1046: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1047: term_flushln(p);
1048: }
1049:
1.1 kristaps 1050: static int
1051: termp_fl_pre(DECL_ARGS)
1052: {
1053:
1.65 schwarze 1054: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1055: term_word(p, "\\-");
1.67 schwarze 1056:
1.179 schwarze 1057: if ( ! (n->nchild == 0 &&
1058: (n->next == NULL ||
1059: n->next->type == MDOC_TEXT ||
1060: n->next->flags & MDOC_LINE)))
1.73 schwarze 1061: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1062:
1.1 kristaps 1063: return(1);
1.49 schwarze 1064: }
1065:
1066: static int
1.104 schwarze 1067: termp__a_pre(DECL_ARGS)
1068: {
1069:
1070: if (n->prev && MDOC__A == n->prev->tok)
1071: if (NULL == n->next || MDOC__A != n->next->tok)
1072: term_word(p, "and");
1073:
1074: return(1);
1075: }
1076:
1077: static int
1.49 schwarze 1078: termp_an_pre(DECL_ARGS)
1079: {
1080:
1.181 schwarze 1081: if (n->norm->An.auth == AUTH_split) {
1082: p->flags &= ~TERMP_NOSPLIT;
1083: p->flags |= TERMP_SPLIT;
1084: return(0);
1085: }
1086: if (n->norm->An.auth == AUTH_nosplit) {
1087: p->flags &= ~TERMP_SPLIT;
1088: p->flags |= TERMP_NOSPLIT;
1089: return(0);
1090: }
1.166 schwarze 1091:
1.181 schwarze 1092: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1093: term_newln(p);
1094:
1.181 schwarze 1095: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1096: p->flags |= TERMP_SPLIT;
1.49 schwarze 1097:
1098: return(1);
1.1 kristaps 1099: }
1100:
1101: static int
1102: termp_ns_pre(DECL_ARGS)
1103: {
1104:
1.127 schwarze 1105: if ( ! (MDOC_LINE & n->flags))
1106: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1107: return(1);
1108: }
1109:
1110: static int
1111: termp_rs_pre(DECL_ARGS)
1112: {
1113:
1.60 schwarze 1114: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1115: return(1);
1.60 schwarze 1116: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1117: term_vspace(p);
1118: return(1);
1119: }
1120:
1121: static int
1122: termp_rv_pre(DECL_ARGS)
1123: {
1.132 schwarze 1124: int nchild;
1.1 kristaps 1125:
1126: term_newln(p);
1127:
1.132 schwarze 1128: nchild = n->nchild;
1.175 schwarze 1129: if (nchild > 0) {
1130: term_word(p, "The");
1.132 schwarze 1131:
1.175 schwarze 1132: for (n = n->child; n; n = n->next) {
1133: term_fontpush(p, TERMFONT_BOLD);
1134: term_word(p, n->string);
1135: term_fontpop(p);
1.132 schwarze 1136:
1137: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1138: term_word(p, "()");
1139:
1140: if (n->next == NULL)
1141: continue;
1142:
1143: if (nchild > 2) {
1144: p->flags |= TERMP_NOSPACE;
1145: term_word(p, ",");
1146: }
1147: if (n->next->next == NULL)
1148: term_word(p, "and");
1.132 schwarze 1149: }
1150:
1.175 schwarze 1151: if (nchild > 1)
1152: term_word(p, "functions return");
1153: else
1154: term_word(p, "function returns");
1155:
1156: term_word(p, "the value\\~0 if successful;");
1157: } else
1158: term_word(p, "Upon successful completion,"
1159: " the value\\~0 is returned;");
1.1 kristaps 1160:
1.175 schwarze 1161: term_word(p, "otherwise the value\\~\\-1 is returned"
1162: " and the global variable");
1.1 kristaps 1163:
1.65 schwarze 1164: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1165: term_word(p, "errno");
1.65 schwarze 1166: term_fontpop(p);
1.1 kristaps 1167:
1.166 schwarze 1168: term_word(p, "is set to indicate the error.");
1.84 schwarze 1169: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1170:
1.53 schwarze 1171: return(0);
1.1 kristaps 1172: }
1173:
1174: static int
1175: termp_ex_pre(DECL_ARGS)
1176: {
1.132 schwarze 1177: int nchild;
1.1 kristaps 1178:
1.132 schwarze 1179: term_newln(p);
1.53 schwarze 1180: term_word(p, "The");
1.1 kristaps 1181:
1.132 schwarze 1182: nchild = n->nchild;
1183: for (n = n->child; n; n = n->next) {
1.65 schwarze 1184: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1185: term_word(p, n->string);
1.65 schwarze 1186: term_fontpop(p);
1.132 schwarze 1187:
1188: if (nchild > 2 && n->next) {
1189: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1190: term_word(p, ",");
1.132 schwarze 1191: }
1192:
1193: if (n->next && NULL == n->next->next)
1194: term_word(p, "and");
1.53 schwarze 1195: }
1196:
1.132 schwarze 1197: if (nchild > 1)
1.175 schwarze 1198: term_word(p, "utilities exit\\~0");
1.53 schwarze 1199: else
1.175 schwarze 1200: term_word(p, "utility exits\\~0");
1.53 schwarze 1201:
1.175 schwarze 1202: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1203:
1.84 schwarze 1204: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1205: return(0);
1.1 kristaps 1206: }
1207:
1208: static int
1209: termp_nd_pre(DECL_ARGS)
1210: {
1.25 schwarze 1211:
1.196 schwarze 1212: if (n->type == MDOC_BODY)
1213: term_word(p, "\\(en");
1.1 kristaps 1214: return(1);
1215: }
1216:
1.73 schwarze 1217: static int
1218: termp_bl_pre(DECL_ARGS)
1219: {
1220:
1221: return(MDOC_HEAD != n->type);
1222: }
1223:
1.1 kristaps 1224: static void
1225: termp_bl_post(DECL_ARGS)
1226: {
1227:
1.60 schwarze 1228: if (MDOC_BLOCK == n->type)
1.1 kristaps 1229: term_newln(p);
1230: }
1231:
1232: static int
1233: termp_xr_pre(DECL_ARGS)
1234: {
1235:
1.132 schwarze 1236: if (NULL == (n = n->child))
1.72 schwarze 1237: return(0);
1238:
1.132 schwarze 1239: assert(MDOC_TEXT == n->type);
1240: term_word(p, n->string);
1.10 schwarze 1241:
1.166 schwarze 1242: if (NULL == (n = n->next))
1.1 kristaps 1243: return(0);
1.132 schwarze 1244:
1.1 kristaps 1245: p->flags |= TERMP_NOSPACE;
1246: term_word(p, "(");
1.132 schwarze 1247: p->flags |= TERMP_NOSPACE;
1248:
1249: assert(MDOC_TEXT == n->type);
1250: term_word(p, n->string);
1251:
1252: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1253: term_word(p, ")");
1.60 schwarze 1254:
1.1 kristaps 1255: return(0);
1256: }
1257:
1.86 schwarze 1258: /*
1259: * This decides how to assert whitespace before any of the SYNOPSIS set
1260: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1261: * macro combos).
1262: */
1263: static void
1264: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1265: {
1.166 schwarze 1266: /*
1.86 schwarze 1267: * Obviously, if we're not in a SYNOPSIS or no prior macros
1268: * exist, do nothing.
1269: */
1.92 schwarze 1270: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1271: return;
1272:
1273: /*
1274: * If we're the second in a pair of like elements, emit our
1275: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1276: * case we soldier on.
1277: */
1.166 schwarze 1278: if (n->prev->tok == n->tok &&
1279: MDOC_Ft != n->tok &&
1280: MDOC_Fo != n->tok &&
1281: MDOC_Fn != n->tok) {
1.86 schwarze 1282: term_newln(p);
1283: return;
1284: }
1285:
1286: /*
1287: * If we're one of the SYNOPSIS set and non-like pair-wise after
1288: * another (or Fn/Fo, which we've let slip through) then assert
1289: * vertical space, else only newline and move on.
1290: */
1291: switch (n->prev->tok) {
1.166 schwarze 1292: case MDOC_Fd:
1.86 schwarze 1293: /* FALLTHROUGH */
1.166 schwarze 1294: case MDOC_Fn:
1.86 schwarze 1295: /* FALLTHROUGH */
1.166 schwarze 1296: case MDOC_Fo:
1.86 schwarze 1297: /* FALLTHROUGH */
1.166 schwarze 1298: case MDOC_In:
1.86 schwarze 1299: /* FALLTHROUGH */
1.166 schwarze 1300: case MDOC_Vt:
1.86 schwarze 1301: term_vspace(p);
1302: break;
1.166 schwarze 1303: case MDOC_Ft:
1.86 schwarze 1304: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1305: term_vspace(p);
1306: break;
1307: }
1308: /* FALLTHROUGH */
1309: default:
1310: term_newln(p);
1311: break;
1312: }
1313: }
1314:
1.69 schwarze 1315: static int
1316: termp_vt_pre(DECL_ARGS)
1317: {
1318:
1.86 schwarze 1319: if (MDOC_ELEM == n->type) {
1320: synopsis_pre(p, n);
1.147 schwarze 1321: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1322: } else if (MDOC_BLOCK == n->type) {
1323: synopsis_pre(p, n);
1324: return(1);
1325: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1326: return(0);
1327:
1.147 schwarze 1328: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1329: }
1330:
1.1 kristaps 1331: static int
1.54 schwarze 1332: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1333: {
1334:
1.65 schwarze 1335: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1336: return(1);
1337: }
1338:
1.86 schwarze 1339: static int
1340: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1341: {
1342:
1.86 schwarze 1343: synopsis_pre(p, n);
1.147 schwarze 1344: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1345: }
1346:
1.143 schwarze 1347: static void
1348: termp_fd_post(DECL_ARGS)
1349: {
1350:
1351: term_newln(p);
1352: }
1353:
1.1 kristaps 1354: static int
1355: termp_sh_pre(DECL_ARGS)
1356: {
1.60 schwarze 1357:
1358: switch (n->type) {
1.166 schwarze 1359: case MDOC_BLOCK:
1.192 schwarze 1360: /*
1361: * Vertical space before sections, except
1362: * when the previous section was empty.
1363: */
1364: if (n->prev == NULL ||
1365: MDOC_Sh != n->prev->tok ||
1366: (n->prev->body != NULL &&
1367: n->prev->body->child != NULL))
1368: term_vspace(p);
1.52 schwarze 1369: break;
1.166 schwarze 1370: case MDOC_HEAD:
1.65 schwarze 1371: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1372: break;
1.166 schwarze 1373: case MDOC_BODY:
1.140 schwarze 1374: p->offset = term_len(p, p->defindent);
1.141 schwarze 1375: if (SEC_AUTHORS == n->sec)
1376: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1377: break;
1378: default:
1379: break;
1380: }
1381: return(1);
1382: }
1383:
1384: static void
1385: termp_sh_post(DECL_ARGS)
1386: {
1387:
1.60 schwarze 1388: switch (n->type) {
1.166 schwarze 1389: case MDOC_HEAD:
1.1 kristaps 1390: term_newln(p);
1391: break;
1.166 schwarze 1392: case MDOC_BODY:
1.1 kristaps 1393: term_newln(p);
1394: p->offset = 0;
1395: break;
1396: default:
1397: break;
1398: }
1399: }
1400:
1401: static int
1402: termp_bt_pre(DECL_ARGS)
1403: {
1404:
1405: term_word(p, "is currently in beta test.");
1.84 schwarze 1406: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1407: return(0);
1.1 kristaps 1408: }
1409:
1410: static void
1411: termp_lb_post(DECL_ARGS)
1412: {
1413:
1.77 schwarze 1414: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1415: term_newln(p);
1.1 kristaps 1416: }
1417:
1418: static int
1419: termp_ud_pre(DECL_ARGS)
1420: {
1421:
1422: term_word(p, "currently under development.");
1.84 schwarze 1423: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1424: return(0);
1.1 kristaps 1425: }
1426:
1427: static int
1428: termp_d1_pre(DECL_ARGS)
1429: {
1430:
1.60 schwarze 1431: if (MDOC_BLOCK != n->type)
1.1 kristaps 1432: return(1);
1433: term_newln(p);
1.140 schwarze 1434: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1435: return(1);
1436: }
1437:
1438: static int
1439: termp_ft_pre(DECL_ARGS)
1440: {
1441:
1.85 schwarze 1442: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1443: synopsis_pre(p, n);
1.65 schwarze 1444: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1445: return(1);
1446: }
1447:
1448: static int
1449: termp_fn_pre(DECL_ARGS)
1450: {
1.159 schwarze 1451: size_t rmargin = 0;
1.132 schwarze 1452: int pretty;
1453:
1454: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1455:
1.86 schwarze 1456: synopsis_pre(p, n);
1.85 schwarze 1457:
1.132 schwarze 1458: if (NULL == (n = n->child))
1459: return(0);
1460:
1.153 schwarze 1461: if (pretty) {
1462: rmargin = p->rmargin;
1.159 schwarze 1463: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1464: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1465: }
1466:
1.132 schwarze 1467: assert(MDOC_TEXT == n->type);
1.65 schwarze 1468: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1469: term_word(p, n->string);
1.65 schwarze 1470: term_fontpop(p);
1.1 kristaps 1471:
1.153 schwarze 1472: if (pretty) {
1473: term_flushln(p);
1.165 schwarze 1474: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1475: p->offset = p->rmargin;
1476: p->rmargin = rmargin;
1477: }
1478:
1.1 kristaps 1479: p->flags |= TERMP_NOSPACE;
1480: term_word(p, "(");
1.132 schwarze 1481: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1482:
1.132 schwarze 1483: for (n = n->next; n; n = n->next) {
1484: assert(MDOC_TEXT == n->type);
1.65 schwarze 1485: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1486: if (pretty)
1487: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1488: term_word(p, n->string);
1.65 schwarze 1489: term_fontpop(p);
1490:
1.132 schwarze 1491: if (n->next) {
1492: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1493: term_word(p, ",");
1.132 schwarze 1494: }
1.1 kristaps 1495: }
1496:
1.132 schwarze 1497: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1498: term_word(p, ")");
1499:
1.132 schwarze 1500: if (pretty) {
1501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1502: term_word(p, ";");
1.153 schwarze 1503: term_flushln(p);
1.132 schwarze 1504: }
1.1 kristaps 1505:
1506: return(0);
1507: }
1508:
1509: static int
1510: termp_fa_pre(DECL_ARGS)
1511: {
1.60 schwarze 1512: const struct mdoc_node *nn;
1.1 kristaps 1513:
1.60 schwarze 1514: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1515: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1516: return(1);
1517: }
1518:
1.60 schwarze 1519: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1520: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1521: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1522: term_word(p, nn->string);
1.65 schwarze 1523: term_fontpop(p);
1524:
1.158 schwarze 1525: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1526: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1527: term_word(p, ",");
1.132 schwarze 1528: }
1.1 kristaps 1529: }
1530:
1531: return(0);
1532: }
1533:
1534: static int
1535: termp_bd_pre(DECL_ARGS)
1536: {
1.174 schwarze 1537: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1538: struct mdoc_node *nn;
1.201 schwarze 1539: int offset;
1.1 kristaps 1540:
1.60 schwarze 1541: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1542: print_bvspace(p, n, n);
1.45 schwarze 1543: return(1);
1.73 schwarze 1544: } else if (MDOC_HEAD == n->type)
1545: return(0);
1.1 kristaps 1546:
1.187 schwarze 1547: /* Handle the -offset argument. */
1548:
1549: if (n->norm->Bd.offs == NULL ||
1550: ! strcmp(n->norm->Bd.offs, "left"))
1551: /* nothing */;
1552: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1553: p->offset += term_len(p, p->defindent + 1);
1554: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1555: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1556: else {
1557: offset = a2width(p, n->norm->Bd.offs);
1558: if (offset < 0 && (size_t)(-offset) > p->offset)
1559: p->offset = 0;
1560: else if (offset < SHRT_MAX)
1561: p->offset += offset;
1562: }
1.60 schwarze 1563:
1564: /*
1565: * If -ragged or -filled are specified, the block does nothing
1566: * but change the indentation. If -unfilled or -literal are
1567: * specified, text is printed exactly as entered in the display:
1568: * for macro lines, a newline is appended to the line. Blank
1569: * lines are allowed.
1570: */
1.166 schwarze 1571:
1572: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1573: DISP_unfilled != n->norm->Bd.type &&
1574: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1575: return(1);
1576:
1.75 schwarze 1577: tabwidth = p->tabwidth;
1.123 schwarze 1578: if (DISP_literal == n->norm->Bd.type)
1579: p->tabwidth = term_len(p, 8);
1580:
1.174 schwarze 1581: lm = p->offset;
1.77 schwarze 1582: rm = p->rmargin;
1583: rmax = p->maxrmargin;
1584: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1585:
1.60 schwarze 1586: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1587: if (DISP_centered == n->norm->Bd.type) {
1588: if (MDOC_TEXT == nn->type) {
1589: len = term_strlen(p, nn->string);
1590: p->offset = len >= rm ? 0 :
1591: lm + len >= rm ? rm - len :
1592: (lm + rm - len) / 2;
1593: } else
1594: p->offset = lm;
1595: }
1.147 schwarze 1596: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1597: /*
1598: * If the printed node flushes its own line, then we
1599: * needn't do it here as well. This is hacky, but the
1600: * notion of selective eoln whitespace is pretty dumb
1601: * anyway, so don't sweat it.
1602: */
1603: switch (nn->tok) {
1.166 schwarze 1604: case MDOC_Sm:
1.112 schwarze 1605: /* FALLTHROUGH */
1.166 schwarze 1606: case MDOC_br:
1.108 schwarze 1607: /* FALLTHROUGH */
1.166 schwarze 1608: case MDOC_sp:
1.108 schwarze 1609: /* FALLTHROUGH */
1.166 schwarze 1610: case MDOC_Bl:
1.115 schwarze 1611: /* FALLTHROUGH */
1.166 schwarze 1612: case MDOC_D1:
1.115 schwarze 1613: /* FALLTHROUGH */
1.166 schwarze 1614: case MDOC_Dl:
1.108 schwarze 1615: /* FALLTHROUGH */
1.166 schwarze 1616: case MDOC_Lp:
1.108 schwarze 1617: /* FALLTHROUGH */
1.166 schwarze 1618: case MDOC_Pp:
1.108 schwarze 1619: continue;
1620: default:
1621: break;
1622: }
1.198 schwarze 1623: if (p->flags & TERMP_NONEWLINE ||
1624: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.100 schwarze 1625: continue;
1626: term_flushln(p);
1.48 schwarze 1627: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1628: }
1.88 schwarze 1629:
1.75 schwarze 1630: p->tabwidth = tabwidth;
1.77 schwarze 1631: p->rmargin = rm;
1632: p->maxrmargin = rmax;
1.1 kristaps 1633: return(0);
1634: }
1635:
1636: static void
1637: termp_bd_post(DECL_ARGS)
1638: {
1.77 schwarze 1639: size_t rm, rmax;
1.1 kristaps 1640:
1.166 schwarze 1641: if (MDOC_BODY != n->type)
1.1 kristaps 1642: return;
1.77 schwarze 1643:
1644: rm = p->rmargin;
1645: rmax = p->maxrmargin;
1646:
1.166 schwarze 1647: if (DISP_literal == n->norm->Bd.type ||
1648: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1649: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1650:
1.48 schwarze 1651: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1652: term_newln(p);
1.77 schwarze 1653:
1654: p->rmargin = rm;
1655: p->maxrmargin = rmax;
1.1 kristaps 1656: }
1657:
1.126 schwarze 1658: static int
1659: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1660: {
1661:
1.126 schwarze 1662: if (NULL != (n = n->child)) {
1663: term_word(p, n->string);
1664: p->flags |= TERMP_NOSPACE;
1665: term_word(p, "BSD");
1666: } else {
1667: term_word(p, "BSD");
1668: return(0);
1669: }
1670:
1671: if (NULL != (n = n->next)) {
1672: p->flags |= TERMP_NOSPACE;
1673: term_word(p, "-");
1.1 kristaps 1674: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1675: term_word(p, n->string);
1676: }
1677:
1678: return(0);
1.1 kristaps 1679: }
1680:
1681: static int
1.26 schwarze 1682: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1683: {
1.26 schwarze 1684: const char *pp;
1.129 schwarze 1685: int flags;
1.1 kristaps 1686:
1.26 schwarze 1687: pp = NULL;
1.60 schwarze 1688: switch (n->tok) {
1.166 schwarze 1689: case MDOC_Bsx:
1.113 schwarze 1690: pp = "BSD/OS";
1.26 schwarze 1691: break;
1.166 schwarze 1692: case MDOC_Dx:
1.64 schwarze 1693: pp = "DragonFly";
1.26 schwarze 1694: break;
1.166 schwarze 1695: case MDOC_Fx:
1.26 schwarze 1696: pp = "FreeBSD";
1697: break;
1.166 schwarze 1698: case MDOC_Nx:
1.26 schwarze 1699: pp = "NetBSD";
1700: break;
1.166 schwarze 1701: case MDOC_Ox:
1.26 schwarze 1702: pp = "OpenBSD";
1703: break;
1.166 schwarze 1704: case MDOC_Ux:
1.26 schwarze 1705: pp = "UNIX";
1706: break;
1707: default:
1.148 schwarze 1708: abort();
1709: /* NOTREACHED */
1.26 schwarze 1710: }
1.1 kristaps 1711:
1.26 schwarze 1712: term_word(p, pp);
1.129 schwarze 1713: if (n->child) {
1714: flags = p->flags;
1715: p->flags |= TERMP_KEEP;
1716: term_word(p, n->child->string);
1717: p->flags = flags;
1718: }
1719: return(0);
1.1 kristaps 1720: }
1721:
1722: static void
1723: termp_pf_post(DECL_ARGS)
1724: {
1725:
1.197 schwarze 1726: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1727: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1728: }
1729:
1730: static int
1731: termp_ss_pre(DECL_ARGS)
1732: {
1733:
1.60 schwarze 1734: switch (n->type) {
1.166 schwarze 1735: case MDOC_BLOCK:
1.1 kristaps 1736: term_newln(p);
1.60 schwarze 1737: if (n->prev)
1.1 kristaps 1738: term_vspace(p);
1739: break;
1.166 schwarze 1740: case MDOC_HEAD:
1.65 schwarze 1741: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1742: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1743: break;
1.176 schwarze 1744: case MDOC_BODY:
1745: p->offset = term_len(p, p->defindent);
1746: break;
1.1 kristaps 1747: default:
1748: break;
1749: }
1750:
1751: return(1);
1752: }
1753:
1754: static void
1755: termp_ss_post(DECL_ARGS)
1756: {
1757:
1.176 schwarze 1758: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1759: term_newln(p);
1760: }
1761:
1762: static int
1763: termp_cd_pre(DECL_ARGS)
1764: {
1765:
1.86 schwarze 1766: synopsis_pre(p, n);
1.65 schwarze 1767: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1768: return(1);
1769: }
1770:
1771: static int
1772: termp_in_pre(DECL_ARGS)
1773: {
1774:
1.86 schwarze 1775: synopsis_pre(p, n);
1.85 schwarze 1776:
1.92 schwarze 1777: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1778: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1779: term_word(p, "#include");
1.85 schwarze 1780: term_word(p, "<");
1781: } else {
1782: term_word(p, "<");
1783: term_fontpush(p, TERMFONT_UNDER);
1784: }
1.23 schwarze 1785:
1.1 kristaps 1786: p->flags |= TERMP_NOSPACE;
1787: return(1);
1788: }
1789:
1790: static void
1791: termp_in_post(DECL_ARGS)
1792: {
1793:
1.92 schwarze 1794: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1795: term_fontpush(p, TERMFONT_BOLD);
1796:
1.59 schwarze 1797: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1798: term_word(p, ">");
1799:
1.92 schwarze 1800: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1801: term_fontpop(p);
1.38 schwarze 1802: }
1803:
1804: static int
1805: termp_sp_pre(DECL_ARGS)
1806: {
1.199 schwarze 1807: struct roffsu su;
1.61 schwarze 1808: size_t i, len;
1.38 schwarze 1809:
1.60 schwarze 1810: switch (n->tok) {
1.166 schwarze 1811: case MDOC_sp:
1.199 schwarze 1812: if (n->child) {
1813: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1814: su.scale = 1.0;
1815: len = term_vspan(p, &su);
1816: } else
1817: len = 1;
1.54 schwarze 1818: break;
1.166 schwarze 1819: case MDOC_br:
1.54 schwarze 1820: len = 0;
1821: break;
1822: default:
1823: len = 1;
1824: break;
1.38 schwarze 1825: }
1826:
1827: if (0 == len)
1828: term_newln(p);
1829: for (i = 0; i < len; i++)
1830: term_vspace(p);
1831:
1832: return(0);
1833: }
1834:
1835: static int
1.193 schwarze 1836: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1837: {
1838:
1839: return(0);
1840: }
1841:
1842: static int
1.107 schwarze 1843: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1844: {
1845:
1.120 schwarze 1846: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1847: return(1);
1848:
1.107 schwarze 1849: switch (n->tok) {
1.166 schwarze 1850: case MDOC_Ao:
1.107 schwarze 1851: /* FALLTHROUGH */
1.166 schwarze 1852: case MDOC_Aq:
1.202 schwarze 1853: term_word(p, n->nchild == 1 &&
1854: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1855: break;
1.166 schwarze 1856: case MDOC_Bro:
1.107 schwarze 1857: /* FALLTHROUGH */
1.166 schwarze 1858: case MDOC_Brq:
1.107 schwarze 1859: term_word(p, "{");
1860: break;
1.166 schwarze 1861: case MDOC_Oo:
1.107 schwarze 1862: /* FALLTHROUGH */
1.166 schwarze 1863: case MDOC_Op:
1.107 schwarze 1864: /* FALLTHROUGH */
1.166 schwarze 1865: case MDOC_Bo:
1.107 schwarze 1866: /* FALLTHROUGH */
1.166 schwarze 1867: case MDOC_Bq:
1.107 schwarze 1868: term_word(p, "[");
1869: break;
1.166 schwarze 1870: case MDOC_Do:
1.107 schwarze 1871: /* FALLTHROUGH */
1.166 schwarze 1872: case MDOC_Dq:
1.151 schwarze 1873: term_word(p, "\\(lq");
1.107 schwarze 1874: break;
1.170 schwarze 1875: case MDOC_En:
1876: if (NULL == n->norm->Es ||
1877: NULL == n->norm->Es->child)
1878: return(1);
1879: term_word(p, n->norm->Es->child->string);
1880: break;
1.166 schwarze 1881: case MDOC_Po:
1.107 schwarze 1882: /* FALLTHROUGH */
1.166 schwarze 1883: case MDOC_Pq:
1.107 schwarze 1884: term_word(p, "(");
1885: break;
1.166 schwarze 1886: case MDOC__T:
1.120 schwarze 1887: /* FALLTHROUGH */
1.166 schwarze 1888: case MDOC_Qo:
1.107 schwarze 1889: /* FALLTHROUGH */
1.166 schwarze 1890: case MDOC_Qq:
1.107 schwarze 1891: term_word(p, "\"");
1892: break;
1.166 schwarze 1893: case MDOC_Ql:
1.107 schwarze 1894: /* FALLTHROUGH */
1.166 schwarze 1895: case MDOC_So:
1.107 schwarze 1896: /* FALLTHROUGH */
1.166 schwarze 1897: case MDOC_Sq:
1.151 schwarze 1898: term_word(p, "\\(oq");
1.107 schwarze 1899: break;
1900: default:
1901: abort();
1902: /* NOTREACHED */
1903: }
1.1 kristaps 1904:
1905: p->flags |= TERMP_NOSPACE;
1906: return(1);
1907: }
1908:
1909: static void
1.107 schwarze 1910: termp_quote_post(DECL_ARGS)
1.1 kristaps 1911: {
1912:
1.194 schwarze 1913: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1914: return;
1915:
1.205 schwarze 1916: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1917:
1.107 schwarze 1918: switch (n->tok) {
1.166 schwarze 1919: case MDOC_Ao:
1.107 schwarze 1920: /* FALLTHROUGH */
1.166 schwarze 1921: case MDOC_Aq:
1.202 schwarze 1922: term_word(p, n->nchild == 1 &&
1923: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1924: break;
1.166 schwarze 1925: case MDOC_Bro:
1.107 schwarze 1926: /* FALLTHROUGH */
1.166 schwarze 1927: case MDOC_Brq:
1.107 schwarze 1928: term_word(p, "}");
1929: break;
1.166 schwarze 1930: case MDOC_Oo:
1.107 schwarze 1931: /* FALLTHROUGH */
1.166 schwarze 1932: case MDOC_Op:
1.107 schwarze 1933: /* FALLTHROUGH */
1.166 schwarze 1934: case MDOC_Bo:
1.107 schwarze 1935: /* FALLTHROUGH */
1.166 schwarze 1936: case MDOC_Bq:
1.107 schwarze 1937: term_word(p, "]");
1938: break;
1.166 schwarze 1939: case MDOC_Do:
1.107 schwarze 1940: /* FALLTHROUGH */
1.166 schwarze 1941: case MDOC_Dq:
1.151 schwarze 1942: term_word(p, "\\(rq");
1.170 schwarze 1943: break;
1944: case MDOC_En:
1.205 schwarze 1945: if (n->norm->Es == NULL ||
1946: n->norm->Es->child == NULL ||
1947: n->norm->Es->child->next == NULL)
1948: p->flags &= ~TERMP_NOSPACE;
1949: else
1.170 schwarze 1950: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1951: break;
1.166 schwarze 1952: case MDOC_Po:
1.107 schwarze 1953: /* FALLTHROUGH */
1.166 schwarze 1954: case MDOC_Pq:
1.107 schwarze 1955: term_word(p, ")");
1956: break;
1.166 schwarze 1957: case MDOC__T:
1.120 schwarze 1958: /* FALLTHROUGH */
1.166 schwarze 1959: case MDOC_Qo:
1.107 schwarze 1960: /* FALLTHROUGH */
1.166 schwarze 1961: case MDOC_Qq:
1.107 schwarze 1962: term_word(p, "\"");
1963: break;
1.166 schwarze 1964: case MDOC_Ql:
1.107 schwarze 1965: /* FALLTHROUGH */
1.166 schwarze 1966: case MDOC_So:
1.107 schwarze 1967: /* FALLTHROUGH */
1.166 schwarze 1968: case MDOC_Sq:
1.151 schwarze 1969: term_word(p, "\\(cq");
1.107 schwarze 1970: break;
1971: default:
1972: abort();
1973: /* NOTREACHED */
1974: }
1.205 schwarze 1975: }
1976:
1977: static int
1978: termp_eo_pre(DECL_ARGS)
1979: {
1980:
1981: if (n->type != MDOC_BODY)
1982: return(1);
1983:
1984: if (n->end == ENDBODY_NOT &&
1985: n->parent->head->child == NULL &&
1986: n->child != NULL &&
1987: n->child->end != ENDBODY_NOT)
1988: term_word(p, "\\&");
1989: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1990: n->parent->head->child != NULL &&
1991: (n->parent->body->child != NULL ||
1992: n->parent->tail->child != NULL))
1993: p->flags |= TERMP_NOSPACE;
1994:
1995: return(1);
1996: }
1997:
1998: static void
1999: termp_eo_post(DECL_ARGS)
2000: {
2001: int body, tail;
2002:
2003: if (n->type != MDOC_BODY)
2004: return;
2005:
2006: if (n->end != ENDBODY_NOT) {
2007: p->flags &= ~TERMP_NOSPACE;
2008: return;
2009: }
2010:
2011: body = n->child != NULL || n->parent->head->child != NULL;
2012: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
2013:
2014: if (body && tail)
2015: p->flags |= TERMP_NOSPACE;
2016: else if ( ! (body || tail))
2017: term_word(p, "\\&");
2018: else if ( ! tail)
2019: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2020: }
2021:
2022: static int
2023: termp_fo_pre(DECL_ARGS)
2024: {
1.159 schwarze 2025: size_t rmargin = 0;
1.158 schwarze 2026: int pretty;
2027:
2028: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2029:
1.85 schwarze 2030: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2031: synopsis_pre(p, n);
1.85 schwarze 2032: return(1);
2033: } else if (MDOC_BODY == n->type) {
1.158 schwarze 2034: if (pretty) {
2035: rmargin = p->rmargin;
1.159 schwarze 2036: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2037: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2038: TERMP_HANG;
1.158 schwarze 2039: }
1.31 schwarze 2040: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2041: term_word(p, "(");
1.132 schwarze 2042: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2043: if (pretty) {
2044: term_flushln(p);
1.165 schwarze 2045: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2046: TERMP_HANG);
1.158 schwarze 2047: p->offset = p->rmargin;
2048: p->rmargin = rmargin;
2049: }
1.1 kristaps 2050: return(1);
1.158 schwarze 2051: }
1.85 schwarze 2052:
1.95 schwarze 2053: if (NULL == n->child)
2054: return(0);
2055:
1.85 schwarze 2056: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2057:
1.85 schwarze 2058: assert(n->child->string);
1.65 schwarze 2059: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2060: term_word(p, n->child->string);
1.1 kristaps 2061: return(0);
2062: }
2063:
2064: static void
2065: termp_fo_post(DECL_ARGS)
2066: {
2067:
1.166 schwarze 2068: if (MDOC_BODY != n->type)
1.86 schwarze 2069: return;
2070:
1.132 schwarze 2071: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2072: term_word(p, ")");
2073:
1.132 schwarze 2074: if (MDOC_SYNPRETTY & n->flags) {
2075: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2076: term_word(p, ";");
1.158 schwarze 2077: term_flushln(p);
1.132 schwarze 2078: }
1.1 kristaps 2079: }
2080:
2081: static int
2082: termp_bf_pre(DECL_ARGS)
2083: {
2084:
1.60 schwarze 2085: if (MDOC_HEAD == n->type)
1.1 kristaps 2086: return(0);
1.146 schwarze 2087: else if (MDOC_BODY != n->type)
1.1 kristaps 2088: return(1);
2089:
1.166 schwarze 2090: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2091: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2092: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2093: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2094: else
1.65 schwarze 2095: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2096:
2097: return(1);
2098: }
2099:
2100: static int
2101: termp_sm_pre(DECL_ARGS)
2102: {
2103:
1.171 schwarze 2104: if (NULL == n->child)
2105: p->flags ^= TERMP_NONOSPACE;
2106: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2107: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2108: else
1.1 kristaps 2109: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2110:
2111: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2112: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2113:
2114: return(0);
2115: }
2116:
2117: static int
2118: termp_ap_pre(DECL_ARGS)
2119: {
2120:
2121: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2122: term_word(p, "'");
1.1 kristaps 2123: p->flags |= TERMP_NOSPACE;
2124: return(1);
2125: }
2126:
2127: static void
2128: termp____post(DECL_ARGS)
2129: {
1.104 schwarze 2130:
2131: /*
2132: * Handle lists of authors. In general, print each followed by
2133: * a comma. Don't print the comma if there are only two
2134: * authors.
2135: */
2136: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2137: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2138: if (NULL == n->prev || MDOC__A != n->prev->tok)
2139: return;
1.1 kristaps 2140:
1.62 schwarze 2141: /* TODO: %U. */
2142:
1.106 schwarze 2143: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2144: return;
2145:
1.132 schwarze 2146: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2147: if (NULL == n->next) {
2148: term_word(p, ".");
2149: p->flags |= TERMP_SENTENCE;
2150: } else
2151: term_word(p, ",");
1.1 kristaps 2152: }
2153:
2154: static int
1.65 schwarze 2155: termp_li_pre(DECL_ARGS)
2156: {
2157:
2158: term_fontpush(p, TERMFONT_NONE);
2159: return(1);
2160: }
2161:
2162: static int
1.1 kristaps 2163: termp_lk_pre(DECL_ARGS)
2164: {
1.142 schwarze 2165: const struct mdoc_node *link, *descr;
1.1 kristaps 2166:
1.142 schwarze 2167: if (NULL == (link = n->child))
2168: return(0);
1.101 schwarze 2169:
1.142 schwarze 2170: if (NULL != (descr = link->next)) {
2171: term_fontpush(p, TERMFONT_UNDER);
2172: while (NULL != descr) {
2173: term_word(p, descr->string);
2174: descr = descr->next;
2175: }
2176: p->flags |= TERMP_NOSPACE;
2177: term_word(p, ":");
2178: term_fontpop(p);
2179: }
1.1 kristaps 2180:
1.65 schwarze 2181: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2182: term_word(p, link->string);
1.65 schwarze 2183: term_fontpop(p);
1.6 schwarze 2184:
1.1 kristaps 2185: return(0);
2186: }
2187:
1.90 schwarze 2188: static int
2189: termp_bk_pre(DECL_ARGS)
2190: {
2191:
1.91 schwarze 2192: switch (n->type) {
1.166 schwarze 2193: case MDOC_BLOCK:
1.95 schwarze 2194: break;
1.166 schwarze 2195: case MDOC_HEAD:
1.91 schwarze 2196: return(0);
1.166 schwarze 2197: case MDOC_BODY:
1.117 schwarze 2198: if (n->parent->args || 0 == n->prev->nchild)
2199: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2200: break;
1.91 schwarze 2201: default:
2202: abort();
1.95 schwarze 2203: /* NOTREACHED */
1.91 schwarze 2204: }
1.95 schwarze 2205:
2206: return(1);
1.90 schwarze 2207: }
2208:
2209: static void
2210: termp_bk_post(DECL_ARGS)
2211: {
2212:
1.155 schwarze 2213: if (MDOC_BODY == n->type)
1.91 schwarze 2214: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2215: }
1.120 schwarze 2216:
2217: static void
2218: termp__t_post(DECL_ARGS)
2219: {
2220:
2221: /*
2222: * If we're in an `Rs' and there's a journal present, then quote
2223: * us instead of underlining us (for disambiguation).
2224: */
1.121 schwarze 2225: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2226: n->parent->norm->Rs.quote_T)
1.147 schwarze 2227: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2228:
1.147 schwarze 2229: termp____post(p, pair, meta, n);
1.120 schwarze 2230: }
2231:
2232: static int
2233: termp__t_pre(DECL_ARGS)
2234: {
2235:
2236: /*
2237: * If we're in an `Rs' and there's a journal present, then quote
2238: * us instead of underlining us (for disambiguation).
2239: */
1.121 schwarze 2240: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2241: n->parent->norm->Rs.quote_T)
1.147 schwarze 2242: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2243:
2244: term_fontpush(p, TERMFONT_UNDER);
2245: return(1);
1.121 schwarze 2246: }
1.1 kristaps 2247:
2248: static int
1.54 schwarze 2249: termp_under_pre(DECL_ARGS)
1.1 kristaps 2250: {
2251:
1.65 schwarze 2252: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2253: return(1);
2254: }
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