Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.232
1.232 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.231 2016/10/09 18:16:46 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.230 schwarze 4: * Copyright (c) 2010, 2012-2016 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: *
1.213 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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:
1.213 schwarze 29: #include "mandoc_aux.h"
1.81 schwarze 30: #include "mandoc.h"
1.213 schwarze 31: #include "roff.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.219 schwarze 35: #include "tag.h"
1.61 schwarze 36: #include "main.h"
1.54 schwarze 37:
1.1 kristaps 38: struct termpair {
39: struct termpair *ppair;
1.27 schwarze 40: int count;
1.1 kristaps 41: };
42:
1.29 schwarze 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.215 schwarze 45: const struct roff_meta *meta, \
1.214 schwarze 46: struct roff_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
1.29 schwarze 52:
1.201 schwarze 53: static int a2width(const struct termp *, const char *);
1.62 schwarze 54:
55: static void print_bvspace(struct termp *,
1.214 schwarze 56: const struct roff_node *,
57: const struct roff_node *);
1.166 schwarze 58: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 59: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 60: static void print_mdoc_head(struct termp *, const struct roff_meta *);
61: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166 schwarze 62: static void synopsis_pre(struct termp *,
1.214 schwarze 63: const struct roff_node *);
1.62 schwarze 64:
1.29 schwarze 65: static void termp____post(DECL_ARGS);
1.120 schwarze 66: static void termp__t_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 70: static void termp_eo_post(DECL_ARGS);
1.143 schwarze 71: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 72: static void termp_fo_post(DECL_ARGS);
73: static void termp_in_post(DECL_ARGS);
74: static void termp_it_post(DECL_ARGS);
75: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 76: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 77: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 78: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 79: static void termp_sh_post(DECL_ARGS);
80: static void termp_ss_post(DECL_ARGS);
81:
1.104 schwarze 82: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 83: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 84: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 85: static int termp_ap_pre(DECL_ARGS);
86: static int termp_bd_pre(DECL_ARGS);
87: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 88: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 89: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 90: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 91: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 92: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 93: static int termp_cd_pre(DECL_ARGS);
94: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 95: static int termp_eo_pre(DECL_ARGS);
1.222 schwarze 96: static int termp_er_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 99: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 112: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_rv_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 116: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 118: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 119: static int termp_ss_pre(DECL_ARGS);
1.219 schwarze 120: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 121: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 122: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 123: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 124: static int termp_xr_pre(DECL_ARGS);
125: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 126:
1.54 schwarze 127: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 128: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 129: { NULL, NULL }, /* Dd */
130: { NULL, NULL }, /* Dt */
131: { NULL, NULL }, /* Os */
132: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 133: { termp_ss_pre, termp_ss_post }, /* Ss */
134: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 135: { termp_d1_pre, termp_bl_post }, /* D1 */
136: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 137: { termp_bd_pre, termp_bd_post }, /* Bd */
138: { NULL, NULL }, /* Ed */
1.73 schwarze 139: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 140: { NULL, NULL }, /* El */
141: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 142: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 143: { termp_an_pre, NULL }, /* An */
1.54 schwarze 144: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 145: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 146: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 147: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 148: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 149: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 150: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 151: { termp_fa_pre, NULL }, /* Fa */
152: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 153: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 154: { termp_fn_pre, NULL }, /* Fn */
155: { termp_ft_pre, NULL }, /* Ft */
156: { termp_bold_pre, NULL }, /* Ic */
157: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 158: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 159: { termp_nd_pre, NULL }, /* Nd */
160: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 161: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 162: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 163: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 164: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 165: { NULL, NULL }, /* St */
1.54 schwarze 166: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 167: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 168: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 169: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 170: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 171: { NULL, termp____post }, /* %D */
1.58 schwarze 172: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 173: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 174: { NULL, termp____post }, /* %N */
175: { NULL, termp____post }, /* %O */
176: { NULL, termp____post }, /* %P */
177: { NULL, termp____post }, /* %R */
1.120 schwarze 178: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 179: { NULL, termp____post }, /* %V */
180: { NULL, NULL }, /* Ac */
1.107 schwarze 181: { termp_quote_pre, termp_quote_post }, /* Ao */
182: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 183: { NULL, NULL }, /* At */
1.1 kristaps 184: { NULL, NULL }, /* Bc */
1.166 schwarze 185: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 186: { termp_quote_pre, termp_quote_post }, /* Bo */
187: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 188: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 189: { termp_bx_pre, NULL }, /* Bx */
1.193 schwarze 190: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 191: { NULL, NULL }, /* Dc */
1.107 schwarze 192: { termp_quote_pre, termp_quote_post }, /* Do */
193: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 194: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 195: { NULL, NULL }, /* Ef */
1.166 schwarze 196: { termp_under_pre, NULL }, /* Em */
1.205 schwarze 197: { termp_eo_pre, termp_eo_post }, /* Eo */
1.26 schwarze 198: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 199: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 200: { termp_li_pre, NULL }, /* No */
1.1 kristaps 201: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 202: { termp_xx_pre, NULL }, /* Nx */
203: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 204: { NULL, NULL }, /* Pc */
1.156 schwarze 205: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 206: { termp_quote_pre, termp_quote_post }, /* Po */
207: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 208: { NULL, NULL }, /* Qc */
1.107 schwarze 209: { termp_quote_pre, termp_quote_post }, /* Ql */
210: { termp_quote_pre, termp_quote_post }, /* Qo */
211: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 212: { NULL, NULL }, /* Re */
213: { termp_rs_pre, NULL }, /* Rs */
214: { NULL, NULL }, /* Sc */
1.107 schwarze 215: { termp_quote_pre, termp_quote_post }, /* So */
216: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 217: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 218: { termp_under_pre, NULL }, /* Sx */
219: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 220: { NULL, NULL }, /* Tn */
1.26 schwarze 221: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 222: { NULL, NULL }, /* Xc */
223: { NULL, NULL }, /* Xo */
1.166 schwarze 224: { termp_fo_pre, termp_fo_post }, /* Fo */
225: { NULL, NULL }, /* Fc */
1.107 schwarze 226: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 227: { NULL, NULL }, /* Oc */
1.90 schwarze 228: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 229: { NULL, NULL }, /* Ek */
230: { termp_bt_pre, NULL }, /* Bt */
231: { NULL, NULL }, /* Hf */
1.170 schwarze 232: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 233: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 234: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 235: { termp_sp_pre, NULL }, /* Lp */
236: { termp_lk_pre, NULL }, /* Lk */
237: { termp_under_pre, NULL }, /* Mt */
238: { termp_quote_pre, termp_quote_post }, /* Brq */
239: { termp_quote_pre, termp_quote_post }, /* Bro */
240: { NULL, NULL }, /* Brc */
241: { NULL, termp____post }, /* %C */
1.193 schwarze 242: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 243: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 244: { termp_xx_pre, NULL }, /* Dx */
245: { NULL, termp____post }, /* %Q */
1.54 schwarze 246: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 247: { termp_sp_pre, NULL }, /* sp */
248: { NULL, termp____post }, /* %U */
249: { NULL, NULL }, /* Ta */
1.162 schwarze 250: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 251: };
252:
1.221 schwarze 253: static int fn_prio;
1.1 kristaps 254:
1.55 schwarze 255: void
1.217 schwarze 256: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 257: {
1.214 schwarze 258: struct roff_node *n;
1.61 schwarze 259: struct termp *p;
260:
261: p = (struct termp *)arg;
1.71 schwarze 262: p->overstep = 0;
1.180 schwarze 263: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 264: p->tabwidth = term_len(p, 5);
1.55 schwarze 265:
1.218 schwarze 266: n = mdoc->first->child;
1.180 schwarze 267: if (p->synopsisonly) {
268: while (n != NULL) {
269: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
270: if (n->child->next->child != NULL)
271: print_mdoc_nodelist(p, NULL,
1.218 schwarze 272: &mdoc->meta,
273: n->child->next->child);
1.180 schwarze 274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
280: if (p->defindent == 0)
281: p->defindent = 5;
1.218 schwarze 282: term_begin(p, print_mdoc_head, print_mdoc_foot,
283: &mdoc->meta);
1.180 schwarze 284: if (n != NULL) {
285: if (n->tok != MDOC_Sh)
286: term_vspace(p);
1.218 schwarze 287: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 288: }
289: term_end(p);
1.173 schwarze 290: }
1.1 kristaps 291: }
292:
293: static void
1.65 schwarze 294: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 295: {
296:
1.203 schwarze 297: while (n != NULL) {
298: print_mdoc_node(p, pair, meta, n);
299: n = n->next;
300: }
1.1 kristaps 301: }
302:
303: static void
1.65 schwarze 304: print_mdoc_node(DECL_ARGS)
1.1 kristaps 305: {
1.65 schwarze 306: int chld;
1.1 kristaps 307: struct termpair npair;
1.28 schwarze 308: size_t offset, rmargin;
1.1 kristaps 309:
1.54 schwarze 310: chld = 1;
1.28 schwarze 311: offset = p->offset;
312: rmargin = p->rmargin;
1.209 schwarze 313: n->flags &= ~MDOC_ENDED;
1.204 schwarze 314: n->prev_font = p->fonti;
1.1 kristaps 315:
1.63 schwarze 316: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 317: npair.ppair = pair;
1.65 schwarze 318:
1.95 schwarze 319: /*
320: * Keeps only work until the end of a line. If a keep was
321: * invoked in a prior line, revert it to PREKEEP.
322: */
323:
1.206 schwarze 324: if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
325: p->flags &= ~TERMP_KEEP;
326: p->flags |= TERMP_PREKEEP;
1.95 schwarze 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) {
1.213 schwarze 335: case ROFFT_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;
1.213 schwarze 344: case ROFFT_EQN:
1.183 schwarze 345: if ( ! (n->flags & MDOC_LINE))
346: p->flags |= TERMP_NOSPACE;
1.135 schwarze 347: term_eqn(p, n->eqn);
1.185 schwarze 348: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.184 schwarze 349: p->flags |= TERMP_NOSPACE;
1.131 schwarze 350: break;
1.213 schwarze 351: case ROFFT_TBL:
1.212 schwarze 352: if (p->tbl.cols == NULL)
353: term_newln(p);
1.128 schwarze 354: term_tbl(p, n->span);
355: break;
356: default:
1.194 schwarze 357: if (termacts[n->tok].pre &&
1.230 schwarze 358: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 359: chld = (*termacts[n->tok].pre)
1.147 schwarze 360: (p, &npair, meta, n);
1.128 schwarze 361: break;
362: }
1.95 schwarze 363:
1.60 schwarze 364: if (chld && n->child)
1.147 schwarze 365: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 366:
1.146 schwarze 367: term_fontpopq(p,
1.209 schwarze 368: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 369:
1.122 schwarze 370: switch (n->type) {
1.213 schwarze 371: case ROFFT_TEXT:
1.122 schwarze 372: break;
1.213 schwarze 373: case ROFFT_TBL:
1.131 schwarze 374: break;
1.213 schwarze 375: case ROFFT_EQN:
1.122 schwarze 376: break;
377: default:
378: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
379: break;
1.147 schwarze 380: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 381:
382: /*
383: * Explicit end tokens not only call the post
384: * handler, but also tell the respective block
385: * that it must not call the post handler again.
386: */
1.95 schwarze 387: if (ENDBODY_NOT != n->end)
1.209 schwarze 388: n->body->flags |= MDOC_ENDED;
1.93 schwarze 389:
390: /*
391: * End of line terminating an implicit block
392: * while an explicit block is still open.
393: * Continue the explicit block without spacing.
394: */
395: if (ENDBODY_NOSPACE == n->end)
396: p->flags |= TERMP_NOSPACE;
1.122 schwarze 397: break;
1.93 schwarze 398: }
1.28 schwarze 399:
1.78 schwarze 400: if (MDOC_EOS & n->flags)
401: p->flags |= TERMP_SENTENCE;
402:
1.162 schwarze 403: if (MDOC_ll != n->tok) {
404: p->offset = offset;
405: p->rmargin = rmargin;
406: }
1.1 kristaps 407: }
408:
409: static void
1.215 schwarze 410: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 411: {
1.191 schwarze 412: size_t sz;
1.87 schwarze 413:
1.65 schwarze 414: term_fontrepl(p, TERMFONT_NONE);
415:
1.166 schwarze 416: /*
1.7 schwarze 417: * Output the footer in new-groff style, that is, three columns
418: * with the middle being the manual date and flanking columns
419: * being the operating system:
420: *
421: * SYSTEM DATE SYSTEM
422: */
423:
1.1 kristaps 424: term_vspace(p);
425:
1.7 schwarze 426: p->offset = 0;
1.191 schwarze 427: sz = term_strlen(p, meta->date);
428: p->rmargin = p->maxrmargin > sz ?
429: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 430: p->trailspace = 1;
1.1 kristaps 431: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
432:
1.147 schwarze 433: term_word(p, meta->os);
1.1 kristaps 434: term_flushln(p);
435:
1.7 schwarze 436: p->offset = p->rmargin;
1.191 schwarze 437: sz = term_strlen(p, meta->os);
438: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 439: p->flags |= TERMP_NOSPACE;
1.7 schwarze 440:
1.147 schwarze 441: term_word(p, meta->date);
1.7 schwarze 442: term_flushln(p);
443:
1.1 kristaps 444: p->offset = p->rmargin;
445: p->rmargin = p->maxrmargin;
1.152 schwarze 446: p->trailspace = 0;
1.1 kristaps 447: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 448: p->flags |= TERMP_NOSPACE;
1.1 kristaps 449:
1.147 schwarze 450: term_word(p, meta->os);
1.1 kristaps 451: term_flushln(p);
1.7 schwarze 452:
453: p->offset = 0;
454: p->rmargin = p->maxrmargin;
455: p->flags = 0;
1.1 kristaps 456: }
457:
458: static void
1.215 schwarze 459: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 460: {
1.169 schwarze 461: char *volume, *title;
462: size_t vollen, titlen;
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: }
1.227 schwarze 536: return term_hspan(p, &su) / 24;
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,
1.214 schwarze 546: const struct roff_node *bl,
547: const struct roff_node *n)
1.1 kristaps 548: {
1.214 schwarze 549: const struct roff_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;
1.213 schwarze 566: if (nn->type == ROFFT_ROOT)
1.188 schwarze 567: return;
1.213 schwarze 568: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 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:
1.230 schwarze 599: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 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];
1.214 schwarze 607: const struct roff_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:
1.213 schwarze 612: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 613: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 614: return 1;
1.45 schwarze 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: case LIST_dash:
627: case LIST_hyphen:
628: case LIST_enum:
629: width = term_len(p, 2);
630: break;
631: case LIST_hang:
1.231 schwarze 632: case LIST_tag:
1.201 schwarze 633: width = term_len(p, 8);
634: break;
635: case LIST_column:
636: width = term_len(p, 10);
637: break;
638: default:
639: width = 0;
640: break;
641: }
642: offset = 0;
643:
644: /*
1.68 schwarze 645: * First calculate width and offset. This is pretty easy unless
646: * we're a -column list, in which case all prior columns must
647: * be accounted for.
648: */
649:
1.201 schwarze 650: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 651: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 652: if (offset < 0 && (size_t)(-offset) > p->offset)
653: offset = -p->offset;
654: else if (offset > SHRT_MAX)
655: offset = 0;
656: }
1.66 schwarze 657:
1.1 kristaps 658: switch (type) {
1.166 schwarze 659: case LIST_column:
1.213 schwarze 660: if (n->type == ROFFT_HEAD)
1.1 kristaps 661: break;
1.88 schwarze 662:
1.66 schwarze 663: /*
1.68 schwarze 664: * Imitate groff's column handling:
665: * - For each earlier column, add its width.
666: * - For less than 5 columns, add four more blanks per
667: * column.
668: * - For exactly 5 columns, add three more blank per
669: * column.
670: * - For more than 5 columns, add only one column.
1.66 schwarze 671: */
1.121 schwarze 672: ncols = bl->norm->Bl.ncols;
1.166 schwarze 673: dcol = ncols < 5 ? term_len(p, 4) :
674: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 675:
1.85 schwarze 676: /*
1.213 schwarze 677: * Calculate the offset by applying all prior ROFFT_BODY,
678: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 679: */
680:
1.166 schwarze 681: for (i = 0, nn = n->prev;
682: nn->prev && i < (int)ncols;
683: nn = nn->prev, i++)
684: offset += dcol + a2width(p,
685: bl->norm->Bl.cols[i]);
1.66 schwarze 686:
687: /*
1.68 schwarze 688: * When exceeding the declared number of columns, leave
689: * the remaining widths at 0. This will later be
690: * adjusted to the default width of 10, or, for the last
691: * column, stretched to the right margin.
1.46 schwarze 692: */
1.68 schwarze 693: if (i >= (int)ncols)
694: break;
1.46 schwarze 695:
1.66 schwarze 696: /*
1.68 schwarze 697: * Use the declared column widths, extended as explained
698: * in the preceding paragraph.
1.66 schwarze 699: */
1.121 schwarze 700: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 701: break;
702: default:
1.121 schwarze 703: if (NULL == bl->norm->Bl.width)
1.68 schwarze 704: break;
705:
1.166 schwarze 706: /*
1.68 schwarze 707: * Note: buffer the width by 2, which is groff's magic
708: * number for buffering single arguments. See the above
709: * handling for column for how this changes.
710: */
1.121 schwarze 711: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 712: if (width < 0 && (size_t)(-width) > p->offset)
713: width = -p->offset;
714: else if (width > SHRT_MAX)
715: width = 0;
1.1 kristaps 716: break;
717: }
718:
1.166 schwarze 719: /*
1.16 schwarze 720: * Whitespace control. Inset bodies need an initial space,
721: * while diagonal bodies need two.
1.1 kristaps 722: */
723:
1.42 schwarze 724: p->flags |= TERMP_NOSPACE;
725:
1.1 kristaps 726: switch (type) {
1.166 schwarze 727: case LIST_diag:
1.213 schwarze 728: if (n->type == ROFFT_BODY)
1.48 schwarze 729: term_word(p, "\\ \\ ");
1.42 schwarze 730: break;
1.166 schwarze 731: case LIST_inset:
1.230 schwarze 732: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 733: term_word(p, "\\ ");
1.1 kristaps 734: break;
735: default:
736: break;
737: }
738:
1.42 schwarze 739: p->flags |= TERMP_NOSPACE;
740:
1.1 kristaps 741: switch (type) {
1.166 schwarze 742: case LIST_diag:
1.213 schwarze 743: if (n->type == ROFFT_HEAD)
1.65 schwarze 744: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 745: break;
746: default:
747: break;
748: }
749:
750: /*
1.68 schwarze 751: * Pad and break control. This is the tricky part. These flags
752: * are documented in term_flushln() in term.c. Note that we're
753: * going to unset all of these flags in termp_it_post() when we
754: * exit.
1.1 kristaps 755: */
756:
757: switch (type) {
1.166 schwarze 758: case LIST_enum:
1.228 schwarze 759: case LIST_bullet:
760: case LIST_dash:
761: case LIST_hyphen:
1.144 schwarze 762: /*
763: * Weird special case.
1.201 schwarze 764: * Some very narrow lists actually hang.
1.144 schwarze 765: */
1.201 schwarze 766: if (width <= (int)term_len(p, 2))
767: p->flags |= TERMP_HANG;
1.213 schwarze 768: if (n->type != ROFFT_HEAD)
1.152 schwarze 769: break;
770: p->flags |= TERMP_NOBREAK;
771: p->trailspace = 1;
1.33 schwarze 772: break;
1.166 schwarze 773: case LIST_hang:
1.213 schwarze 774: if (n->type != ROFFT_HEAD)
1.47 schwarze 775: break;
776:
777: /*
778: * This is ugly. If `-hang' is specified and the body
779: * is a `Bl' or `Bd', then we want basically to nullify
780: * the "overstep" effect in term_flushln() and treat
781: * this as a `-ohang' list instead.
782: */
1.178 schwarze 783: if (NULL != n->next &&
784: NULL != n->next->child &&
1.166 schwarze 785: (MDOC_Bl == n->next->child->tok ||
786: MDOC_Bd == n->next->child->tok))
1.152 schwarze 787: break;
788:
1.165 schwarze 789: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 790: p->trailspace = 1;
1.33 schwarze 791: break;
1.166 schwarze 792: case LIST_tag:
1.213 schwarze 793: if (n->type != ROFFT_HEAD)
1.33 schwarze 794: break;
1.152 schwarze 795:
1.225 schwarze 796: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 797: p->trailspace = 2;
798:
1.60 schwarze 799: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 800: p->flags |= TERMP_DANGLE;
1.1 kristaps 801: break;
1.166 schwarze 802: case LIST_column:
1.213 schwarze 803: if (n->type == ROFFT_HEAD)
1.85 schwarze 804: break;
805:
1.152 schwarze 806: if (NULL == n->next) {
1.85 schwarze 807: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 808: p->trailspace = 0;
809: } else {
1.85 schwarze 810: p->flags |= TERMP_NOBREAK;
1.152 schwarze 811: p->trailspace = 1;
812: }
1.85 schwarze 813:
1.1 kristaps 814: break;
1.166 schwarze 815: case LIST_diag:
1.213 schwarze 816: if (n->type != ROFFT_HEAD)
1.152 schwarze 817: break;
1.165 schwarze 818: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 819: p->trailspace = 1;
1.1 kristaps 820: break;
821: default:
822: break;
823: }
824:
1.166 schwarze 825: /*
1.1 kristaps 826: * Margin control. Set-head-width lists have their right
827: * margins shortened. The body for these lists has the offset
828: * necessarily lengthened. Everybody gets the offset.
829: */
830:
831: p->offset += offset;
832:
833: switch (type) {
1.166 schwarze 834: case LIST_hang:
1.47 schwarze 835: /*
836: * Same stipulation as above, regarding `-hang'. We
837: * don't want to recalculate rmargin and offsets when
838: * using `Bd' or `Bl' within `-hang' overstep lists.
839: */
1.213 schwarze 840: if (n->type == ROFFT_HEAD &&
1.178 schwarze 841: NULL != n->next &&
842: NULL != n->next->child &&
1.166 schwarze 843: (MDOC_Bl == n->next->child->tok ||
844: MDOC_Bd == n->next->child->tok))
1.47 schwarze 845: break;
846: /* FALLTHROUGH */
1.166 schwarze 847: case LIST_bullet:
848: case LIST_dash:
849: case LIST_enum:
850: case LIST_hyphen:
851: case LIST_tag:
1.213 schwarze 852: if (n->type == ROFFT_HEAD)
1.1 kristaps 853: p->rmargin = p->offset + width;
1.191 schwarze 854: else
1.1 kristaps 855: p->offset += width;
856: break;
1.166 schwarze 857: case LIST_column:
1.41 schwarze 858: assert(width);
1.1 kristaps 859: p->rmargin = p->offset + width;
1.166 schwarze 860: /*
1.43 schwarze 861: * XXX - this behaviour is not documented: the
862: * right-most column is filled to the right margin.
863: */
1.213 schwarze 864: if (n->type == ROFFT_HEAD)
1.85 schwarze 865: break;
866: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 867: p->rmargin = p->maxrmargin;
1.1 kristaps 868: break;
869: default:
870: break;
871: }
872:
1.166 schwarze 873: /*
1.1 kristaps 874: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 875: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 876: */
877:
1.213 schwarze 878: if (n->type == ROFFT_HEAD)
1.1 kristaps 879: switch (type) {
1.166 schwarze 880: case LIST_bullet:
1.65 schwarze 881: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 882: term_word(p, "\\[bu]");
1.65 schwarze 883: term_fontpop(p);
1.1 kristaps 884: break;
1.166 schwarze 885: case LIST_dash:
886: case LIST_hyphen:
1.65 schwarze 887: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 888: term_word(p, "-");
1.65 schwarze 889: term_fontpop(p);
1.1 kristaps 890: break;
1.166 schwarze 891: case LIST_enum:
1.1 kristaps 892: (pair->ppair->ppair->count)++;
1.167 schwarze 893: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 894: pair->ppair->ppair->count);
1.1 kristaps 895: term_word(p, buf);
896: break;
897: default:
898: break;
899: }
1.12 schwarze 900:
1.166 schwarze 901: /*
1.1 kristaps 902: * If we're not going to process our children, indicate so here.
903: */
904:
905: switch (type) {
1.166 schwarze 906: case LIST_bullet:
907: case LIST_item:
908: case LIST_dash:
909: case LIST_hyphen:
910: case LIST_enum:
1.213 schwarze 911: if (n->type == ROFFT_HEAD)
1.227 schwarze 912: return 0;
1.1 kristaps 913: break;
1.166 schwarze 914: case LIST_column:
1.213 schwarze 915: if (n->type == ROFFT_HEAD)
1.227 schwarze 916: return 0;
1.1 kristaps 917: break;
918: default:
919: break;
920: }
921:
1.227 schwarze 922: return 1;
1.1 kristaps 923: }
924:
925: static void
926: termp_it_post(DECL_ARGS)
927: {
1.82 schwarze 928: enum mdoc_list type;
1.1 kristaps 929:
1.213 schwarze 930: if (n->type == ROFFT_BLOCK)
1.1 kristaps 931: return;
932:
1.121 schwarze 933: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 934:
935: switch (type) {
1.166 schwarze 936: case LIST_item:
937: case LIST_diag:
938: case LIST_inset:
1.213 schwarze 939: if (n->type == ROFFT_BODY)
1.74 schwarze 940: term_newln(p);
1.1 kristaps 941: break;
1.166 schwarze 942: case LIST_column:
1.213 schwarze 943: if (n->type == ROFFT_BODY)
1.1 kristaps 944: term_flushln(p);
945: break;
946: default:
1.74 schwarze 947: term_newln(p);
1.1 kristaps 948: break;
949: }
950:
1.166 schwarze 951: /*
1.68 schwarze 952: * Now that our output is flushed, we can reset our tags. Since
953: * only `It' sets these flags, we're free to assume that nobody
954: * has munged them in the meanwhile.
955: */
956:
1.225 schwarze 957: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 958: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 959: p->trailspace = 0;
1.1 kristaps 960: }
961:
962: static int
963: termp_nm_pre(DECL_ARGS)
964: {
1.195 schwarze 965: const char *cp;
1.1 kristaps 966:
1.213 schwarze 967: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 968: p->flags |= TERMP_PREKEEP;
1.227 schwarze 969: return 1;
1.155 schwarze 970: }
1.94 schwarze 971:
1.213 schwarze 972: if (n->type == ROFFT_BODY) {
1.94 schwarze 973: if (NULL == n->child)
1.227 schwarze 974: return 0;
1.136 schwarze 975: p->flags |= TERMP_NOSPACE;
1.195 schwarze 976: cp = NULL;
977: if (n->prev->child != NULL)
978: cp = n->prev->child->string;
979: if (cp == NULL)
980: cp = meta->name;
981: if (cp == NULL)
982: p->offset += term_len(p, 6);
983: else
984: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 985: return 1;
1.94 schwarze 986: }
987:
1.147 schwarze 988: if (NULL == n->child && NULL == meta->name)
1.227 schwarze 989: return 0;
1.81 schwarze 990:
1.213 schwarze 991: if (n->type == ROFFT_HEAD)
1.97 schwarze 992: synopsis_pre(p, n->parent);
1.65 schwarze 993:
1.213 schwarze 994: if (n->type == ROFFT_HEAD &&
1.178 schwarze 995: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 996: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 997: p->trailspace = 1;
1.105 schwarze 998: p->rmargin = p->offset + term_len(p, 1);
999: if (NULL == n->child) {
1.147 schwarze 1000: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1001: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1002: p->rmargin += term_strlen(p, n->child->string);
1003: if (n->child->next)
1004: p->flags |= TERMP_HANG;
1005: } else {
1006: p->rmargin += term_len(p, 5);
1007: p->flags |= TERMP_HANG;
1008: }
1.94 schwarze 1009: }
1010:
1.65 schwarze 1011: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1012: if (NULL == n->child)
1.147 schwarze 1013: term_word(p, meta->name);
1.227 schwarze 1014: return 1;
1.1 kristaps 1015: }
1016:
1.94 schwarze 1017: static void
1018: termp_nm_post(DECL_ARGS)
1019: {
1020:
1.213 schwarze 1021: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1022: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1023: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1024: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1025: term_flushln(p);
1.165 schwarze 1026: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1027: p->trailspace = 0;
1.213 schwarze 1028: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1029: term_flushln(p);
1030: }
1031:
1.1 kristaps 1032: static int
1033: termp_fl_pre(DECL_ARGS)
1034: {
1035:
1.219 schwarze 1036: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1037: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1038: term_word(p, "\\-");
1.67 schwarze 1039:
1.230 schwarze 1040: if (!(n->child == NULL &&
1.179 schwarze 1041: (n->next == NULL ||
1.213 schwarze 1042: n->next->type == ROFFT_TEXT ||
1.179 schwarze 1043: n->next->flags & MDOC_LINE)))
1.73 schwarze 1044: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1045:
1.227 schwarze 1046: return 1;
1.49 schwarze 1047: }
1048:
1049: static int
1.104 schwarze 1050: termp__a_pre(DECL_ARGS)
1051: {
1052:
1053: if (n->prev && MDOC__A == n->prev->tok)
1054: if (NULL == n->next || MDOC__A != n->next->tok)
1055: term_word(p, "and");
1056:
1.227 schwarze 1057: return 1;
1.104 schwarze 1058: }
1059:
1060: static int
1.49 schwarze 1061: termp_an_pre(DECL_ARGS)
1062: {
1063:
1.181 schwarze 1064: if (n->norm->An.auth == AUTH_split) {
1065: p->flags &= ~TERMP_NOSPLIT;
1066: p->flags |= TERMP_SPLIT;
1.227 schwarze 1067: return 0;
1.181 schwarze 1068: }
1069: if (n->norm->An.auth == AUTH_nosplit) {
1070: p->flags &= ~TERMP_SPLIT;
1071: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1072: return 0;
1.181 schwarze 1073: }
1.166 schwarze 1074:
1.181 schwarze 1075: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1076: term_newln(p);
1077:
1.181 schwarze 1078: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1079: p->flags |= TERMP_SPLIT;
1.49 schwarze 1080:
1.227 schwarze 1081: return 1;
1.1 kristaps 1082: }
1083:
1084: static int
1085: termp_ns_pre(DECL_ARGS)
1086: {
1087:
1.127 schwarze 1088: if ( ! (MDOC_LINE & n->flags))
1089: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1090: return 1;
1.1 kristaps 1091: }
1092:
1093: static int
1094: termp_rs_pre(DECL_ARGS)
1095: {
1096:
1.60 schwarze 1097: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1098: return 1;
1.213 schwarze 1099: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1100: term_vspace(p);
1.227 schwarze 1101: return 1;
1.1 kristaps 1102: }
1103:
1104: static int
1105: termp_rv_pre(DECL_ARGS)
1106: {
1.230 schwarze 1107: struct roff_node *nch;
1.1 kristaps 1108:
1109: term_newln(p);
1110:
1.230 schwarze 1111: if (n->child != NULL) {
1.175 schwarze 1112: term_word(p, "The");
1.132 schwarze 1113:
1.230 schwarze 1114: for (nch = n->child; nch != NULL; nch = nch->next) {
1.175 schwarze 1115: term_fontpush(p, TERMFONT_BOLD);
1.230 schwarze 1116: term_word(p, nch->string);
1.175 schwarze 1117: term_fontpop(p);
1.132 schwarze 1118:
1119: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1120: term_word(p, "()");
1121:
1.230 schwarze 1122: if (nch->next == NULL)
1.175 schwarze 1123: continue;
1124:
1.230 schwarze 1125: if (nch->prev != NULL || nch->next->next != NULL) {
1.175 schwarze 1126: p->flags |= TERMP_NOSPACE;
1127: term_word(p, ",");
1128: }
1.230 schwarze 1129: if (nch->next->next == NULL)
1.175 schwarze 1130: term_word(p, "and");
1.132 schwarze 1131: }
1132:
1.230 schwarze 1133: if (n->child != NULL && n->child->next != NULL)
1.175 schwarze 1134: term_word(p, "functions return");
1135: else
1136: term_word(p, "function returns");
1137:
1138: term_word(p, "the value\\~0 if successful;");
1139: } else
1140: term_word(p, "Upon successful completion,"
1141: " the value\\~0 is returned;");
1.1 kristaps 1142:
1.175 schwarze 1143: term_word(p, "otherwise the value\\~\\-1 is returned"
1144: " and the global variable");
1.1 kristaps 1145:
1.65 schwarze 1146: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1147: term_word(p, "errno");
1.65 schwarze 1148: term_fontpop(p);
1.1 kristaps 1149:
1.166 schwarze 1150: term_word(p, "is set to indicate the error.");
1.84 schwarze 1151: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1152:
1.227 schwarze 1153: return 0;
1.1 kristaps 1154: }
1155:
1156: static int
1157: termp_ex_pre(DECL_ARGS)
1158: {
1.230 schwarze 1159: struct roff_node *nch;
1.1 kristaps 1160:
1.132 schwarze 1161: term_newln(p);
1.53 schwarze 1162: term_word(p, "The");
1.1 kristaps 1163:
1.230 schwarze 1164: for (nch = n->child; nch != NULL; nch = nch->next) {
1.65 schwarze 1165: term_fontpush(p, TERMFONT_BOLD);
1.230 schwarze 1166: term_word(p, nch->string);
1.65 schwarze 1167: term_fontpop(p);
1.132 schwarze 1168:
1.230 schwarze 1169: if (nch->next == NULL)
1170: continue;
1171:
1172: if (nch->prev != NULL || nch->next->next != NULL) {
1.132 schwarze 1173: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1174: term_word(p, ",");
1.132 schwarze 1175: }
1176:
1.230 schwarze 1177: if (nch->next->next == NULL)
1.132 schwarze 1178: term_word(p, "and");
1.53 schwarze 1179: }
1180:
1.230 schwarze 1181: if (n->child != NULL && n->child->next != NULL)
1.175 schwarze 1182: term_word(p, "utilities exit\\~0");
1.53 schwarze 1183: else
1.175 schwarze 1184: term_word(p, "utility exits\\~0");
1.53 schwarze 1185:
1.175 schwarze 1186: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1187:
1.84 schwarze 1188: p->flags |= TERMP_SENTENCE;
1.227 schwarze 1189: return 0;
1.1 kristaps 1190: }
1191:
1192: static int
1193: termp_nd_pre(DECL_ARGS)
1194: {
1.25 schwarze 1195:
1.213 schwarze 1196: if (n->type == ROFFT_BODY)
1.196 schwarze 1197: term_word(p, "\\(en");
1.227 schwarze 1198: return 1;
1.1 kristaps 1199: }
1200:
1.73 schwarze 1201: static int
1202: termp_bl_pre(DECL_ARGS)
1203: {
1204:
1.227 schwarze 1205: return n->type != ROFFT_HEAD;
1.73 schwarze 1206: }
1207:
1.1 kristaps 1208: static void
1209: termp_bl_post(DECL_ARGS)
1210: {
1211:
1.213 schwarze 1212: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1213: term_newln(p);
1214: }
1215:
1216: static int
1217: termp_xr_pre(DECL_ARGS)
1218: {
1219:
1.132 schwarze 1220: if (NULL == (n = n->child))
1.227 schwarze 1221: return 0;
1.72 schwarze 1222:
1.213 schwarze 1223: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1224: term_word(p, n->string);
1.10 schwarze 1225:
1.166 schwarze 1226: if (NULL == (n = n->next))
1.227 schwarze 1227: return 0;
1.132 schwarze 1228:
1.1 kristaps 1229: p->flags |= TERMP_NOSPACE;
1230: term_word(p, "(");
1.132 schwarze 1231: p->flags |= TERMP_NOSPACE;
1232:
1.213 schwarze 1233: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1234: term_word(p, n->string);
1235:
1236: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1237: term_word(p, ")");
1.60 schwarze 1238:
1.227 schwarze 1239: return 0;
1.1 kristaps 1240: }
1241:
1.86 schwarze 1242: /*
1243: * This decides how to assert whitespace before any of the SYNOPSIS set
1244: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1245: * macro combos).
1246: */
1247: static void
1.214 schwarze 1248: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1249: {
1.166 schwarze 1250: /*
1.86 schwarze 1251: * Obviously, if we're not in a SYNOPSIS or no prior macros
1252: * exist, do nothing.
1253: */
1.92 schwarze 1254: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1255: return;
1256:
1257: /*
1258: * If we're the second in a pair of like elements, emit our
1259: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1260: * case we soldier on.
1261: */
1.166 schwarze 1262: if (n->prev->tok == n->tok &&
1263: MDOC_Ft != n->tok &&
1264: MDOC_Fo != n->tok &&
1265: MDOC_Fn != n->tok) {
1.86 schwarze 1266: term_newln(p);
1267: return;
1268: }
1269:
1270: /*
1271: * If we're one of the SYNOPSIS set and non-like pair-wise after
1272: * another (or Fn/Fo, which we've let slip through) then assert
1273: * vertical space, else only newline and move on.
1274: */
1275: switch (n->prev->tok) {
1.166 schwarze 1276: case MDOC_Fd:
1277: case MDOC_Fn:
1278: case MDOC_Fo:
1279: case MDOC_In:
1280: case MDOC_Vt:
1.86 schwarze 1281: term_vspace(p);
1282: break;
1.166 schwarze 1283: case MDOC_Ft:
1.86 schwarze 1284: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1285: term_vspace(p);
1286: break;
1287: }
1288: /* FALLTHROUGH */
1289: default:
1290: term_newln(p);
1291: break;
1292: }
1293: }
1294:
1.69 schwarze 1295: static int
1296: termp_vt_pre(DECL_ARGS)
1297: {
1298:
1.213 schwarze 1299: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1300: synopsis_pre(p, n);
1.227 schwarze 1301: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1302: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1303: synopsis_pre(p, n);
1.227 schwarze 1304: return 1;
1.213 schwarze 1305: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1306: return 0;
1.69 schwarze 1307:
1.227 schwarze 1308: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1309: }
1310:
1.1 kristaps 1311: static int
1.54 schwarze 1312: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1313: {
1314:
1.219 schwarze 1315: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1316: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1317: return 1;
1.1 kristaps 1318: }
1319:
1.86 schwarze 1320: static int
1321: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1322: {
1323:
1.86 schwarze 1324: synopsis_pre(p, n);
1.227 schwarze 1325: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1326: }
1327:
1.143 schwarze 1328: static void
1329: termp_fd_post(DECL_ARGS)
1330: {
1331:
1332: term_newln(p);
1333: }
1334:
1.1 kristaps 1335: static int
1336: termp_sh_pre(DECL_ARGS)
1337: {
1.60 schwarze 1338:
1339: switch (n->type) {
1.213 schwarze 1340: case ROFFT_BLOCK:
1.192 schwarze 1341: /*
1342: * Vertical space before sections, except
1343: * when the previous section was empty.
1344: */
1345: if (n->prev == NULL ||
1.221 schwarze 1346: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1347: (n->prev->body != NULL &&
1348: n->prev->body->child != NULL))
1349: term_vspace(p);
1.52 schwarze 1350: break;
1.213 schwarze 1351: case ROFFT_HEAD:
1.65 schwarze 1352: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1353: break;
1.213 schwarze 1354: case ROFFT_BODY:
1.140 schwarze 1355: p->offset = term_len(p, p->defindent);
1.221 schwarze 1356: switch (n->sec) {
1357: case SEC_DESCRIPTION:
1358: fn_prio = 0;
1359: break;
1360: case SEC_AUTHORS:
1.141 schwarze 1361: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1362: break;
1363: default:
1364: break;
1365: }
1.1 kristaps 1366: break;
1367: default:
1368: break;
1369: }
1.227 schwarze 1370: return 1;
1.1 kristaps 1371: }
1372:
1373: static void
1374: termp_sh_post(DECL_ARGS)
1375: {
1376:
1.60 schwarze 1377: switch (n->type) {
1.213 schwarze 1378: case ROFFT_HEAD:
1.1 kristaps 1379: term_newln(p);
1380: break;
1.213 schwarze 1381: case ROFFT_BODY:
1.1 kristaps 1382: term_newln(p);
1383: p->offset = 0;
1384: break;
1385: default:
1386: break;
1387: }
1388: }
1389:
1390: static int
1391: termp_bt_pre(DECL_ARGS)
1392: {
1393:
1394: term_word(p, "is currently in beta test.");
1.84 schwarze 1395: p->flags |= TERMP_SENTENCE;
1.227 schwarze 1396: return 0;
1.1 kristaps 1397: }
1398:
1399: static void
1400: termp_lb_post(DECL_ARGS)
1401: {
1402:
1.77 schwarze 1403: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1404: term_newln(p);
1.1 kristaps 1405: }
1406:
1407: static int
1408: termp_ud_pre(DECL_ARGS)
1409: {
1410:
1411: term_word(p, "currently under development.");
1.84 schwarze 1412: p->flags |= TERMP_SENTENCE;
1.227 schwarze 1413: return 0;
1.1 kristaps 1414: }
1415:
1416: static int
1417: termp_d1_pre(DECL_ARGS)
1418: {
1419:
1.213 schwarze 1420: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1421: return 1;
1.1 kristaps 1422: term_newln(p);
1.140 schwarze 1423: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1424: return 1;
1.1 kristaps 1425: }
1426:
1427: static int
1428: termp_ft_pre(DECL_ARGS)
1429: {
1430:
1.85 schwarze 1431: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1432: synopsis_pre(p, n);
1.65 schwarze 1433: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1434: return 1;
1.1 kristaps 1435: }
1436:
1437: static int
1438: termp_fn_pre(DECL_ARGS)
1439: {
1.159 schwarze 1440: size_t rmargin = 0;
1.132 schwarze 1441: int pretty;
1442:
1443: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1444:
1.86 schwarze 1445: synopsis_pre(p, n);
1.85 schwarze 1446:
1.132 schwarze 1447: if (NULL == (n = n->child))
1.227 schwarze 1448: return 0;
1.132 schwarze 1449:
1.153 schwarze 1450: if (pretty) {
1451: rmargin = p->rmargin;
1.159 schwarze 1452: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1453: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1454: }
1455:
1.213 schwarze 1456: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1457: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1458: term_word(p, n->string);
1.65 schwarze 1459: term_fontpop(p);
1.1 kristaps 1460:
1.223 schwarze 1461: if (n->sec == SEC_DESCRIPTION)
1462: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1463:
1.153 schwarze 1464: if (pretty) {
1465: term_flushln(p);
1.165 schwarze 1466: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1467: p->offset = p->rmargin;
1468: p->rmargin = rmargin;
1469: }
1470:
1.1 kristaps 1471: p->flags |= TERMP_NOSPACE;
1472: term_word(p, "(");
1.132 schwarze 1473: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1474:
1.132 schwarze 1475: for (n = n->next; n; n = n->next) {
1.213 schwarze 1476: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1477: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1478: if (pretty)
1479: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1480: term_word(p, n->string);
1.65 schwarze 1481: term_fontpop(p);
1482:
1.132 schwarze 1483: if (n->next) {
1484: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1485: term_word(p, ",");
1.132 schwarze 1486: }
1.1 kristaps 1487: }
1488:
1.132 schwarze 1489: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1490: term_word(p, ")");
1491:
1.132 schwarze 1492: if (pretty) {
1493: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1494: term_word(p, ";");
1.153 schwarze 1495: term_flushln(p);
1.132 schwarze 1496: }
1.1 kristaps 1497:
1.227 schwarze 1498: return 0;
1.1 kristaps 1499: }
1500:
1501: static int
1502: termp_fa_pre(DECL_ARGS)
1503: {
1.214 schwarze 1504: const struct roff_node *nn;
1.1 kristaps 1505:
1.60 schwarze 1506: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1507: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1508: return 1;
1.1 kristaps 1509: }
1510:
1.60 schwarze 1511: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1512: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1513: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1514: term_word(p, nn->string);
1.65 schwarze 1515: term_fontpop(p);
1516:
1.158 schwarze 1517: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1518: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1519: term_word(p, ",");
1.132 schwarze 1520: }
1.1 kristaps 1521: }
1522:
1.227 schwarze 1523: return 0;
1.1 kristaps 1524: }
1525:
1526: static int
1527: termp_bd_pre(DECL_ARGS)
1528: {
1.174 schwarze 1529: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1530: struct roff_node *nn;
1.201 schwarze 1531: int offset;
1.1 kristaps 1532:
1.213 schwarze 1533: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1534: print_bvspace(p, n, n);
1.227 schwarze 1535: return 1;
1.213 schwarze 1536: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1537: return 0;
1.1 kristaps 1538:
1.187 schwarze 1539: /* Handle the -offset argument. */
1540:
1541: if (n->norm->Bd.offs == NULL ||
1542: ! strcmp(n->norm->Bd.offs, "left"))
1543: /* nothing */;
1544: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1545: p->offset += term_len(p, p->defindent + 1);
1546: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1547: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1548: else {
1549: offset = a2width(p, n->norm->Bd.offs);
1550: if (offset < 0 && (size_t)(-offset) > p->offset)
1551: p->offset = 0;
1552: else if (offset < SHRT_MAX)
1553: p->offset += offset;
1554: }
1.60 schwarze 1555:
1556: /*
1557: * If -ragged or -filled are specified, the block does nothing
1558: * but change the indentation. If -unfilled or -literal are
1559: * specified, text is printed exactly as entered in the display:
1560: * for macro lines, a newline is appended to the line. Blank
1561: * lines are allowed.
1562: */
1.166 schwarze 1563:
1564: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1565: DISP_unfilled != n->norm->Bd.type &&
1566: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1567: return 1;
1.1 kristaps 1568:
1.75 schwarze 1569: tabwidth = p->tabwidth;
1.123 schwarze 1570: if (DISP_literal == n->norm->Bd.type)
1571: p->tabwidth = term_len(p, 8);
1572:
1.174 schwarze 1573: lm = p->offset;
1.77 schwarze 1574: rm = p->rmargin;
1575: rmax = p->maxrmargin;
1576: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1577:
1.60 schwarze 1578: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1579: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1580: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1581: len = term_strlen(p, nn->string);
1582: p->offset = len >= rm ? 0 :
1583: lm + len >= rm ? rm - len :
1584: (lm + rm - len) / 2;
1585: } else
1586: p->offset = lm;
1587: }
1.147 schwarze 1588: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1589: /*
1590: * If the printed node flushes its own line, then we
1591: * needn't do it here as well. This is hacky, but the
1592: * notion of selective eoln whitespace is pretty dumb
1593: * anyway, so don't sweat it.
1594: */
1595: switch (nn->tok) {
1.166 schwarze 1596: case MDOC_Sm:
1597: case MDOC_br:
1598: case MDOC_sp:
1599: case MDOC_Bl:
1600: case MDOC_D1:
1601: case MDOC_Dl:
1602: case MDOC_Lp:
1603: case MDOC_Pp:
1.108 schwarze 1604: continue;
1605: default:
1606: break;
1607: }
1.198 schwarze 1608: if (p->flags & TERMP_NONEWLINE ||
1609: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.100 schwarze 1610: continue;
1611: term_flushln(p);
1.48 schwarze 1612: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1613: }
1.88 schwarze 1614:
1.75 schwarze 1615: p->tabwidth = tabwidth;
1.77 schwarze 1616: p->rmargin = rm;
1617: p->maxrmargin = rmax;
1.227 schwarze 1618: return 0;
1.1 kristaps 1619: }
1620:
1621: static void
1622: termp_bd_post(DECL_ARGS)
1623: {
1.77 schwarze 1624: size_t rm, rmax;
1.1 kristaps 1625:
1.213 schwarze 1626: if (n->type != ROFFT_BODY)
1.1 kristaps 1627: return;
1.77 schwarze 1628:
1629: rm = p->rmargin;
1630: rmax = p->maxrmargin;
1631:
1.166 schwarze 1632: if (DISP_literal == n->norm->Bd.type ||
1633: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1634: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1635:
1.48 schwarze 1636: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1637: term_newln(p);
1.77 schwarze 1638:
1639: p->rmargin = rm;
1640: p->maxrmargin = rmax;
1.1 kristaps 1641: }
1642:
1.126 schwarze 1643: static int
1644: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1645: {
1646:
1.126 schwarze 1647: if (NULL != (n = n->child)) {
1648: term_word(p, n->string);
1649: p->flags |= TERMP_NOSPACE;
1650: term_word(p, "BSD");
1651: } else {
1652: term_word(p, "BSD");
1.227 schwarze 1653: return 0;
1.126 schwarze 1654: }
1655:
1656: if (NULL != (n = n->next)) {
1657: p->flags |= TERMP_NOSPACE;
1658: term_word(p, "-");
1.1 kristaps 1659: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1660: term_word(p, n->string);
1661: }
1662:
1.227 schwarze 1663: return 0;
1.1 kristaps 1664: }
1665:
1666: static int
1.26 schwarze 1667: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1668: {
1.26 schwarze 1669: const char *pp;
1.129 schwarze 1670: int flags;
1.1 kristaps 1671:
1.26 schwarze 1672: pp = NULL;
1.60 schwarze 1673: switch (n->tok) {
1.166 schwarze 1674: case MDOC_Bsx:
1.113 schwarze 1675: pp = "BSD/OS";
1.26 schwarze 1676: break;
1.166 schwarze 1677: case MDOC_Dx:
1.64 schwarze 1678: pp = "DragonFly";
1.26 schwarze 1679: break;
1.166 schwarze 1680: case MDOC_Fx:
1.26 schwarze 1681: pp = "FreeBSD";
1682: break;
1.166 schwarze 1683: case MDOC_Nx:
1.26 schwarze 1684: pp = "NetBSD";
1685: break;
1.166 schwarze 1686: case MDOC_Ox:
1.26 schwarze 1687: pp = "OpenBSD";
1688: break;
1.166 schwarze 1689: case MDOC_Ux:
1.26 schwarze 1690: pp = "UNIX";
1691: break;
1692: default:
1.148 schwarze 1693: abort();
1.26 schwarze 1694: }
1.1 kristaps 1695:
1.26 schwarze 1696: term_word(p, pp);
1.129 schwarze 1697: if (n->child) {
1698: flags = p->flags;
1699: p->flags |= TERMP_KEEP;
1700: term_word(p, n->child->string);
1701: p->flags = flags;
1702: }
1.227 schwarze 1703: return 0;
1.1 kristaps 1704: }
1705:
1706: static void
1707: termp_pf_post(DECL_ARGS)
1708: {
1709:
1.197 schwarze 1710: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1711: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1712: }
1713:
1714: static int
1715: termp_ss_pre(DECL_ARGS)
1716: {
1717:
1.60 schwarze 1718: switch (n->type) {
1.213 schwarze 1719: case ROFFT_BLOCK:
1.1 kristaps 1720: term_newln(p);
1.60 schwarze 1721: if (n->prev)
1.1 kristaps 1722: term_vspace(p);
1723: break;
1.213 schwarze 1724: case ROFFT_HEAD:
1.65 schwarze 1725: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1726: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1727: break;
1.213 schwarze 1728: case ROFFT_BODY:
1.176 schwarze 1729: p->offset = term_len(p, p->defindent);
1730: break;
1.1 kristaps 1731: default:
1732: break;
1733: }
1734:
1.227 schwarze 1735: return 1;
1.1 kristaps 1736: }
1737:
1738: static void
1739: termp_ss_post(DECL_ARGS)
1740: {
1741:
1.213 schwarze 1742: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1743: term_newln(p);
1744: }
1745:
1746: static int
1747: termp_cd_pre(DECL_ARGS)
1748: {
1749:
1.86 schwarze 1750: synopsis_pre(p, n);
1.65 schwarze 1751: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1752: return 1;
1.1 kristaps 1753: }
1754:
1755: static int
1756: termp_in_pre(DECL_ARGS)
1757: {
1758:
1.86 schwarze 1759: synopsis_pre(p, n);
1.85 schwarze 1760:
1.92 schwarze 1761: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1762: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1763: term_word(p, "#include");
1.85 schwarze 1764: term_word(p, "<");
1765: } else {
1766: term_word(p, "<");
1767: term_fontpush(p, TERMFONT_UNDER);
1768: }
1.23 schwarze 1769:
1.1 kristaps 1770: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1771: return 1;
1.1 kristaps 1772: }
1773:
1774: static void
1775: termp_in_post(DECL_ARGS)
1776: {
1777:
1.92 schwarze 1778: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1779: term_fontpush(p, TERMFONT_BOLD);
1780:
1.59 schwarze 1781: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1782: term_word(p, ">");
1783:
1.92 schwarze 1784: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1785: term_fontpop(p);
1.38 schwarze 1786: }
1787:
1788: static int
1789: termp_sp_pre(DECL_ARGS)
1790: {
1.199 schwarze 1791: struct roffsu su;
1.211 schwarze 1792: int i, len;
1.38 schwarze 1793:
1.60 schwarze 1794: switch (n->tok) {
1.166 schwarze 1795: case MDOC_sp:
1.199 schwarze 1796: if (n->child) {
1797: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1798: su.scale = 1.0;
1799: len = term_vspan(p, &su);
1800: } else
1801: len = 1;
1.54 schwarze 1802: break;
1.166 schwarze 1803: case MDOC_br:
1.54 schwarze 1804: len = 0;
1805: break;
1806: default:
1807: len = 1;
1.221 schwarze 1808: fn_prio = 0;
1.54 schwarze 1809: break;
1.38 schwarze 1810: }
1811:
1812: if (0 == len)
1813: term_newln(p);
1.211 schwarze 1814: else if (len < 0)
1815: p->skipvsp -= len;
1816: else
1817: for (i = 0; i < len; i++)
1818: term_vspace(p);
1.38 schwarze 1819:
1.227 schwarze 1820: return 0;
1.38 schwarze 1821: }
1822:
1823: static int
1.193 schwarze 1824: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1825: {
1826:
1.227 schwarze 1827: return 0;
1.170 schwarze 1828: }
1829:
1830: static int
1.107 schwarze 1831: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1832: {
1833:
1.213 schwarze 1834: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1835: return 1;
1.1 kristaps 1836:
1.107 schwarze 1837: switch (n->tok) {
1.166 schwarze 1838: case MDOC_Ao:
1839: case MDOC_Aq:
1.230 schwarze 1840: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1841: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1842: break;
1.166 schwarze 1843: case MDOC_Bro:
1844: case MDOC_Brq:
1.107 schwarze 1845: term_word(p, "{");
1846: break;
1.166 schwarze 1847: case MDOC_Oo:
1848: case MDOC_Op:
1849: case MDOC_Bo:
1850: case MDOC_Bq:
1.107 schwarze 1851: term_word(p, "[");
1852: break;
1.166 schwarze 1853: case MDOC_Do:
1854: case MDOC_Dq:
1.210 schwarze 1855: term_word(p, "\\(Lq");
1.107 schwarze 1856: break;
1.170 schwarze 1857: case MDOC_En:
1858: if (NULL == n->norm->Es ||
1859: NULL == n->norm->Es->child)
1.227 schwarze 1860: return 1;
1.170 schwarze 1861: term_word(p, n->norm->Es->child->string);
1862: break;
1.166 schwarze 1863: case MDOC_Po:
1864: case MDOC_Pq:
1.107 schwarze 1865: term_word(p, "(");
1866: break;
1.166 schwarze 1867: case MDOC__T:
1868: case MDOC_Qo:
1869: case MDOC_Qq:
1.107 schwarze 1870: term_word(p, "\"");
1871: break;
1.166 schwarze 1872: case MDOC_Ql:
1873: case MDOC_So:
1874: case MDOC_Sq:
1.151 schwarze 1875: term_word(p, "\\(oq");
1.107 schwarze 1876: break;
1877: default:
1878: abort();
1879: }
1.1 kristaps 1880:
1881: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1882: return 1;
1.1 kristaps 1883: }
1884:
1885: static void
1.107 schwarze 1886: termp_quote_post(DECL_ARGS)
1.1 kristaps 1887: {
1888:
1.213 schwarze 1889: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1890: return;
1891:
1.205 schwarze 1892: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1893:
1.107 schwarze 1894: switch (n->tok) {
1.166 schwarze 1895: case MDOC_Ao:
1896: case MDOC_Aq:
1.230 schwarze 1897: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1898: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1899: break;
1.166 schwarze 1900: case MDOC_Bro:
1901: case MDOC_Brq:
1.107 schwarze 1902: term_word(p, "}");
1903: break;
1.166 schwarze 1904: case MDOC_Oo:
1905: case MDOC_Op:
1906: case MDOC_Bo:
1907: case MDOC_Bq:
1.107 schwarze 1908: term_word(p, "]");
1909: break;
1.166 schwarze 1910: case MDOC_Do:
1911: case MDOC_Dq:
1.210 schwarze 1912: term_word(p, "\\(Rq");
1.170 schwarze 1913: break;
1914: case MDOC_En:
1.205 schwarze 1915: if (n->norm->Es == NULL ||
1916: n->norm->Es->child == NULL ||
1917: n->norm->Es->child->next == NULL)
1918: p->flags &= ~TERMP_NOSPACE;
1919: else
1.170 schwarze 1920: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1921: break;
1.166 schwarze 1922: case MDOC_Po:
1923: case MDOC_Pq:
1.107 schwarze 1924: term_word(p, ")");
1925: break;
1.166 schwarze 1926: case MDOC__T:
1927: case MDOC_Qo:
1928: case MDOC_Qq:
1.107 schwarze 1929: term_word(p, "\"");
1930: break;
1.166 schwarze 1931: case MDOC_Ql:
1932: case MDOC_So:
1933: case MDOC_Sq:
1.151 schwarze 1934: term_word(p, "\\(cq");
1.107 schwarze 1935: break;
1936: default:
1937: abort();
1938: }
1.205 schwarze 1939: }
1940:
1941: static int
1942: termp_eo_pre(DECL_ARGS)
1943: {
1944:
1.213 schwarze 1945: if (n->type != ROFFT_BODY)
1.227 schwarze 1946: return 1;
1.205 schwarze 1947:
1948: if (n->end == ENDBODY_NOT &&
1949: n->parent->head->child == NULL &&
1950: n->child != NULL &&
1951: n->child->end != ENDBODY_NOT)
1952: term_word(p, "\\&");
1953: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1954: n->parent->head->child != NULL && (n->child != NULL ||
1955: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1956: p->flags |= TERMP_NOSPACE;
1957:
1.227 schwarze 1958: return 1;
1.205 schwarze 1959: }
1960:
1961: static void
1962: termp_eo_post(DECL_ARGS)
1963: {
1964: int body, tail;
1965:
1.213 schwarze 1966: if (n->type != ROFFT_BODY)
1.205 schwarze 1967: return;
1968:
1969: if (n->end != ENDBODY_NOT) {
1970: p->flags &= ~TERMP_NOSPACE;
1971: return;
1972: }
1973:
1974: body = n->child != NULL || n->parent->head->child != NULL;
1975: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1976:
1977: if (body && tail)
1978: p->flags |= TERMP_NOSPACE;
1979: else if ( ! (body || tail))
1980: term_word(p, "\\&");
1981: else if ( ! tail)
1982: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1983: }
1984:
1985: static int
1986: termp_fo_pre(DECL_ARGS)
1987: {
1.159 schwarze 1988: size_t rmargin = 0;
1.158 schwarze 1989: int pretty;
1990:
1991: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1992:
1.213 schwarze 1993: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1994: synopsis_pre(p, n);
1.227 schwarze 1995: return 1;
1.213 schwarze 1996: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1997: if (pretty) {
1998: rmargin = p->rmargin;
1.159 schwarze 1999: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2000: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2001: TERMP_HANG;
1.158 schwarze 2002: }
1.31 schwarze 2003: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2004: term_word(p, "(");
1.132 schwarze 2005: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2006: if (pretty) {
2007: term_flushln(p);
1.165 schwarze 2008: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2009: TERMP_HANG);
1.158 schwarze 2010: p->offset = p->rmargin;
2011: p->rmargin = rmargin;
2012: }
1.227 schwarze 2013: return 1;
1.158 schwarze 2014: }
1.85 schwarze 2015:
1.95 schwarze 2016: if (NULL == n->child)
1.227 schwarze 2017: return 0;
1.95 schwarze 2018:
1.85 schwarze 2019: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2020:
1.85 schwarze 2021: assert(n->child->string);
1.65 schwarze 2022: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2023: term_word(p, n->child->string);
1.227 schwarze 2024: return 0;
1.1 kristaps 2025: }
2026:
2027: static void
2028: termp_fo_post(DECL_ARGS)
2029: {
2030:
1.213 schwarze 2031: if (n->type != ROFFT_BODY)
1.86 schwarze 2032: return;
2033:
1.132 schwarze 2034: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2035: term_word(p, ")");
2036:
1.132 schwarze 2037: if (MDOC_SYNPRETTY & n->flags) {
2038: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2039: term_word(p, ";");
1.158 schwarze 2040: term_flushln(p);
1.132 schwarze 2041: }
1.1 kristaps 2042: }
2043:
2044: static int
2045: termp_bf_pre(DECL_ARGS)
2046: {
2047:
1.213 schwarze 2048: if (n->type == ROFFT_HEAD)
1.227 schwarze 2049: return 0;
1.213 schwarze 2050: else if (n->type != ROFFT_BODY)
1.227 schwarze 2051: return 1;
1.1 kristaps 2052:
1.166 schwarze 2053: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2054: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2055: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2056: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2057: else
1.65 schwarze 2058: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2059:
1.227 schwarze 2060: return 1;
1.1 kristaps 2061: }
2062:
2063: static int
2064: termp_sm_pre(DECL_ARGS)
2065: {
2066:
1.171 schwarze 2067: if (NULL == n->child)
2068: p->flags ^= TERMP_NONOSPACE;
2069: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2070: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2071: else
1.1 kristaps 2072: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2073:
2074: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2075: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2076:
1.227 schwarze 2077: return 0;
1.1 kristaps 2078: }
2079:
2080: static int
2081: termp_ap_pre(DECL_ARGS)
2082: {
2083:
2084: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2085: term_word(p, "'");
1.1 kristaps 2086: p->flags |= TERMP_NOSPACE;
1.227 schwarze 2087: return 1;
1.1 kristaps 2088: }
2089:
2090: static void
2091: termp____post(DECL_ARGS)
2092: {
1.104 schwarze 2093:
2094: /*
2095: * Handle lists of authors. In general, print each followed by
2096: * a comma. Don't print the comma if there are only two
2097: * authors.
2098: */
2099: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2100: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2101: if (NULL == n->prev || MDOC__A != n->prev->tok)
2102: return;
1.1 kristaps 2103:
1.62 schwarze 2104: /* TODO: %U. */
2105:
1.106 schwarze 2106: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2107: return;
2108:
1.132 schwarze 2109: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2110: if (NULL == n->next) {
2111: term_word(p, ".");
2112: p->flags |= TERMP_SENTENCE;
2113: } else
2114: term_word(p, ",");
1.1 kristaps 2115: }
2116:
2117: static int
1.65 schwarze 2118: termp_li_pre(DECL_ARGS)
2119: {
2120:
2121: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 2122: return 1;
1.65 schwarze 2123: }
2124:
2125: static int
1.1 kristaps 2126: termp_lk_pre(DECL_ARGS)
2127: {
1.214 schwarze 2128: const struct roff_node *link, *descr;
1.1 kristaps 2129:
1.142 schwarze 2130: if (NULL == (link = n->child))
1.227 schwarze 2131: return 0;
1.101 schwarze 2132:
1.142 schwarze 2133: if (NULL != (descr = link->next)) {
2134: term_fontpush(p, TERMFONT_UNDER);
2135: while (NULL != descr) {
2136: term_word(p, descr->string);
2137: descr = descr->next;
2138: }
2139: p->flags |= TERMP_NOSPACE;
2140: term_word(p, ":");
2141: term_fontpop(p);
2142: }
1.1 kristaps 2143:
1.65 schwarze 2144: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2145: term_word(p, link->string);
1.65 schwarze 2146: term_fontpop(p);
1.6 schwarze 2147:
1.227 schwarze 2148: return 0;
1.1 kristaps 2149: }
2150:
1.90 schwarze 2151: static int
2152: termp_bk_pre(DECL_ARGS)
2153: {
2154:
1.91 schwarze 2155: switch (n->type) {
1.213 schwarze 2156: case ROFFT_BLOCK:
1.95 schwarze 2157: break;
1.213 schwarze 2158: case ROFFT_HEAD:
1.227 schwarze 2159: return 0;
1.213 schwarze 2160: case ROFFT_BODY:
1.230 schwarze 2161: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2162: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2163: break;
1.91 schwarze 2164: default:
2165: abort();
2166: }
1.95 schwarze 2167:
1.227 schwarze 2168: return 1;
1.90 schwarze 2169: }
2170:
2171: static void
2172: termp_bk_post(DECL_ARGS)
2173: {
2174:
1.213 schwarze 2175: if (n->type == ROFFT_BODY)
1.91 schwarze 2176: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2177: }
1.120 schwarze 2178:
2179: static void
2180: termp__t_post(DECL_ARGS)
2181: {
2182:
2183: /*
2184: * If we're in an `Rs' and there's a journal present, then quote
2185: * us instead of underlining us (for disambiguation).
2186: */
1.121 schwarze 2187: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2188: n->parent->norm->Rs.quote_T)
1.147 schwarze 2189: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2190:
1.147 schwarze 2191: termp____post(p, pair, meta, n);
1.120 schwarze 2192: }
2193:
2194: static int
2195: termp__t_pre(DECL_ARGS)
2196: {
2197:
2198: /*
2199: * If we're in an `Rs' and there's a journal present, then quote
2200: * us instead of underlining us (for disambiguation).
2201: */
1.121 schwarze 2202: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2203: n->parent->norm->Rs.quote_T)
1.227 schwarze 2204: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2205:
2206: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2207: return 1;
1.121 schwarze 2208: }
1.1 kristaps 2209:
2210: static int
1.54 schwarze 2211: termp_under_pre(DECL_ARGS)
1.1 kristaps 2212: {
2213:
1.65 schwarze 2214: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2215: return 1;
1.222 schwarze 2216: }
2217:
2218: static int
2219: termp_er_pre(DECL_ARGS)
2220: {
2221:
2222: if (n->sec == SEC_ERRORS &&
2223: (n->parent->tok == MDOC_It ||
2224: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2225: n->parent->parent->parent->tok == MDOC_It)))
2226: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2227: return 1;
1.219 schwarze 2228: }
2229:
2230: static int
2231: termp_tag_pre(DECL_ARGS)
2232: {
2233:
2234: if (n->child != NULL &&
2235: n->child->type == ROFFT_TEXT &&
1.232 ! schwarze 2236: (n->prev == NULL ||
! 2237: (n->prev->type == ROFFT_TEXT &&
! 2238: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2239: (n->parent->tok == MDOC_It ||
2240: (n->parent->tok == MDOC_Xo &&
2241: n->parent->parent->prev == NULL &&
1.223 schwarze 2242: n->parent->parent->parent->tok == MDOC_It)))
2243: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2244: return 1;
1.1 kristaps 2245: }