Annotation of mandoc/mdoc_term.c, Revision 1.339
1.339 ! schwarze 1: /* $Id: mdoc_term.c,v 1.338 2017/01/10 13:47:00 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.339 ! schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.256 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
1.6 kristaps 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: *
1.314 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 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: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.314 schwarze 31: #include "mandoc_aux.h"
1.125 kristaps 32: #include "mandoc.h"
1.314 schwarze 33: #include "roff.h"
34: #include "mdoc.h"
1.92 kristaps 35: #include "out.h"
1.1 kristaps 36: #include "term.h"
1.320 schwarze 37: #include "tag.h"
1.89 kristaps 38: #include "main.h"
1.1 kristaps 39:
40: struct termpair {
41: struct termpair *ppair;
1.31 kristaps 42: int count;
1.1 kristaps 43: };
44:
1.31 kristaps 45: #define DECL_ARGS struct termp *p, \
46: struct termpair *pair, \
1.316 schwarze 47: const struct roff_meta *meta, \
1.315 schwarze 48: struct roff_node *n
1.1 kristaps 49:
50: struct termact {
51: int (*pre)(DECL_ARGS);
52: void (*post)(DECL_ARGS);
53: };
54:
1.302 schwarze 55: static int a2width(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.315 schwarze 58: const struct roff_node *,
59: const struct roff_node *);
1.264 schwarze 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 62: static void print_mdoc_head(struct termp *, const struct roff_meta *);
63: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264 schwarze 64: static void synopsis_pre(struct termp *,
1.315 schwarze 65: const struct roff_node *);
1.96 kristaps 66:
1.31 kristaps 67: static void termp____post(DECL_ARGS);
1.203 kristaps 68: static void termp__t_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 72: static void termp_eo_post(DECL_ARGS);
1.241 schwarze 73: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 74: static void termp_fo_post(DECL_ARGS);
75: static void termp_in_post(DECL_ARGS);
76: static void termp_it_post(DECL_ARGS);
77: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 78: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 79: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 80: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 81: static void termp_sh_post(DECL_ARGS);
82: static void termp_ss_post(DECL_ARGS);
1.339 ! schwarze 83: static void termp_xx_post(DECL_ARGS);
1.31 kristaps 84:
1.184 kristaps 85: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 86: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 95: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 96: static int termp_cd_pre(DECL_ARGS);
97: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 98: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 99: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 100: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 101: static int termp_ex_pre(DECL_ARGS);
102: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 103: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 104: static int termp_fl_pre(DECL_ARGS);
105: static int termp_fn_pre(DECL_ARGS);
106: static int termp_fo_pre(DECL_ARGS);
107: static int termp_ft_pre(DECL_ARGS);
108: static int termp_in_pre(DECL_ARGS);
109: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 110: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 111: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 112: static int termp_lk_pre(DECL_ARGS);
113: static int termp_nd_pre(DECL_ARGS);
114: static int termp_nm_pre(DECL_ARGS);
115: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 116: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 117: static int termp_rs_pre(DECL_ARGS);
118: static int termp_rv_pre(DECL_ARGS);
119: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 120: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 121: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 122: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 123: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 124: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 125: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 126: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 127: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 128: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 129: static int termp_xr_pre(DECL_ARGS);
130: static int termp_xx_pre(DECL_ARGS);
131:
1.70 kristaps 132: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 133: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 134: { NULL, NULL }, /* Dd */
135: { NULL, NULL }, /* Dt */
136: { NULL, NULL }, /* Os */
137: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 138: { termp_ss_pre, termp_ss_post }, /* Ss */
139: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 140: { termp_d1_pre, termp_bl_post }, /* D1 */
141: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 142: { termp_bd_pre, termp_bd_post }, /* Bd */
143: { NULL, NULL }, /* Ed */
1.115 kristaps 144: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 145: { NULL, NULL }, /* El */
146: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 147: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 148: { termp_an_pre, NULL }, /* An */
1.69 kristaps 149: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 150: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 151: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 152: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 153: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 154: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 155: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 156: { termp_fa_pre, NULL }, /* Fa */
157: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 158: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 159: { termp_fn_pre, NULL }, /* Fn */
160: { termp_ft_pre, NULL }, /* Ft */
161: { termp_bold_pre, NULL }, /* Ic */
162: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 163: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 164: { termp_nd_pre, NULL }, /* Nd */
165: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 166: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 167: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 168: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 169: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 170: { NULL, NULL }, /* St */
1.69 kristaps 171: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 172: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 173: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 174: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 175: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 176: { NULL, termp____post }, /* %D */
1.84 kristaps 177: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 178: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 179: { NULL, termp____post }, /* %N */
180: { NULL, termp____post }, /* %O */
181: { NULL, termp____post }, /* %P */
182: { NULL, termp____post }, /* %R */
1.203 kristaps 183: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 184: { NULL, termp____post }, /* %V */
185: { NULL, NULL }, /* Ac */
1.188 kristaps 186: { termp_quote_pre, termp_quote_post }, /* Ao */
187: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 188: { NULL, NULL }, /* At */
1.1 kristaps 189: { NULL, NULL }, /* Bc */
1.264 schwarze 190: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 191: { termp_quote_pre, termp_quote_post }, /* Bo */
192: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 ! schwarze 193: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.211 kristaps 194: { termp_bx_pre, NULL }, /* Bx */
1.294 schwarze 195: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 196: { NULL, NULL }, /* Dc */
1.188 kristaps 197: { termp_quote_pre, termp_quote_post }, /* Do */
198: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 199: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 200: { NULL, NULL }, /* Ef */
1.334 schwarze 201: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 202: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 ! schwarze 203: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 204: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 205: { termp_li_pre, NULL }, /* No */
1.1 kristaps 206: { termp_ns_pre, NULL }, /* Ns */
1.339 ! schwarze 207: { termp_xx_pre, termp_xx_post }, /* Nx */
! 208: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 209: { NULL, NULL }, /* Pc */
1.254 schwarze 210: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 211: { termp_quote_pre, termp_quote_post }, /* Po */
212: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 213: { NULL, NULL }, /* Qc */
1.188 kristaps 214: { termp_quote_pre, termp_quote_post }, /* Ql */
215: { termp_quote_pre, termp_quote_post }, /* Qo */
216: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 217: { NULL, NULL }, /* Re */
218: { termp_rs_pre, NULL }, /* Rs */
219: { NULL, NULL }, /* Sc */
1.188 kristaps 220: { termp_quote_pre, termp_quote_post }, /* So */
221: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 222: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 223: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 224: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 225: { NULL, NULL }, /* Tn */
1.339 ! schwarze 226: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 227: { NULL, NULL }, /* Xc */
228: { NULL, NULL }, /* Xo */
1.264 schwarze 229: { termp_fo_pre, termp_fo_post }, /* Fo */
230: { NULL, NULL }, /* Fc */
1.188 kristaps 231: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 232: { NULL, NULL }, /* Oc */
1.159 schwarze 233: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 234: { NULL, NULL }, /* Ek */
235: { termp_bt_pre, NULL }, /* Bt */
236: { NULL, NULL }, /* Hf */
1.268 schwarze 237: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 238: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 239: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 240: { termp_sp_pre, NULL }, /* Lp */
241: { termp_lk_pre, NULL }, /* Lk */
242: { termp_under_pre, NULL }, /* Mt */
243: { termp_quote_pre, termp_quote_post }, /* Brq */
244: { termp_quote_pre, termp_quote_post }, /* Bro */
245: { NULL, NULL }, /* Brc */
246: { NULL, termp____post }, /* %C */
1.294 schwarze 247: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 248: { termp_quote_pre, termp_quote_post }, /* En */
1.339 ! schwarze 249: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 250: { NULL, termp____post }, /* %Q */
1.76 kristaps 251: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 252: { termp_sp_pre, NULL }, /* sp */
253: { NULL, termp____post }, /* %U */
254: { NULL, NULL }, /* Ta */
1.260 schwarze 255: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 256: };
257:
1.322 schwarze 258: static int fn_prio;
1.1 kristaps 259:
1.70 kristaps 260: void
1.318 schwarze 261: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 262: {
1.315 schwarze 263: struct roff_node *n;
1.89 kristaps 264: struct termp *p;
265:
266: p = (struct termp *)arg;
1.111 kristaps 267: p->overstep = 0;
1.281 schwarze 268: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 269: p->tabwidth = term_len(p, 5);
1.70 kristaps 270:
1.319 schwarze 271: n = mdoc->first->child;
1.281 schwarze 272: if (p->synopsisonly) {
273: while (n != NULL) {
274: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
275: if (n->child->next->child != NULL)
276: print_mdoc_nodelist(p, NULL,
1.319 schwarze 277: &mdoc->meta,
278: n->child->next->child);
1.281 schwarze 279: term_newln(p);
280: break;
281: }
282: n = n->next;
283: }
284: } else {
285: if (p->defindent == 0)
286: p->defindent = 5;
1.319 schwarze 287: term_begin(p, print_mdoc_head, print_mdoc_foot,
288: &mdoc->meta);
1.337 schwarze 289: while (n != NULL && n->flags & NODE_NOPRT)
290: n = n->next;
1.281 schwarze 291: if (n != NULL) {
292: if (n->tok != MDOC_Sh)
293: term_vspace(p);
1.319 schwarze 294: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 295: }
296: term_end(p);
1.271 schwarze 297: }
1.1 kristaps 298: }
299:
1.3 kristaps 300: static void
1.102 kristaps 301: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 302: {
303:
1.304 schwarze 304: while (n != NULL) {
305: print_mdoc_node(p, pair, meta, n);
306: n = n->next;
307: }
1.1 kristaps 308: }
309:
1.3 kristaps 310: static void
1.102 kristaps 311: print_mdoc_node(DECL_ARGS)
1.1 kristaps 312: {
1.102 kristaps 313: int chld;
1.1 kristaps 314: struct termpair npair;
1.30 kristaps 315: size_t offset, rmargin;
1.1 kristaps 316:
1.337 schwarze 317: if (n->flags & NODE_NOPRT)
318: return;
319:
1.70 kristaps 320: chld = 1;
1.29 kristaps 321: offset = p->offset;
1.30 kristaps 322: rmargin = p->rmargin;
1.338 schwarze 323: n->flags &= ~NODE_ENDED;
1.305 schwarze 324: n->prev_font = p->fonti;
1.29 kristaps 325:
1.97 kristaps 326: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 327: npair.ppair = pair;
1.172 kristaps 328:
329: /*
330: * Keeps only work until the end of a line. If a keep was
331: * invoked in a prior line, revert it to PREKEEP.
332: */
333:
1.338 schwarze 334: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 335: p->flags &= ~TERMP_KEEP;
336: p->flags |= TERMP_PREKEEP;
1.172 kristaps 337: }
1.197 schwarze 338:
339: /*
1.217 schwarze 340: * After the keep flags have been set up, we may now
341: * produce output. Note that some pre-handlers do so.
342: */
343:
344: switch (n->type) {
1.314 schwarze 345: case ROFFT_TEXT:
1.338 schwarze 346: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 347: term_newln(p);
1.338 schwarze 348: if (NODE_DELIMC & n->flags)
1.222 kristaps 349: p->flags |= TERMP_NOSPACE;
1.217 schwarze 350: term_word(p, n->string);
1.338 schwarze 351: if (NODE_DELIMO & n->flags)
1.222 kristaps 352: p->flags |= TERMP_NOSPACE;
1.217 schwarze 353: break;
1.314 schwarze 354: case ROFFT_EQN:
1.338 schwarze 355: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 356: p->flags |= TERMP_NOSPACE;
1.233 kristaps 357: term_eqn(p, n->eqn);
1.338 schwarze 358: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 359: p->flags |= TERMP_NOSPACE;
1.217 schwarze 360: break;
1.314 schwarze 361: case ROFFT_TBL:
1.313 schwarze 362: if (p->tbl.cols == NULL)
363: term_newln(p);
1.217 schwarze 364: term_tbl(p, n->span);
365: break;
366: default:
1.295 schwarze 367: if (termacts[n->tok].pre &&
1.331 schwarze 368: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 369: chld = (*termacts[n->tok].pre)
1.245 schwarze 370: (p, &npair, meta, n);
1.217 schwarze 371: break;
372: }
373:
1.86 kristaps 374: if (chld && n->child)
1.245 schwarze 375: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 376:
1.244 schwarze 377: term_fontpopq(p,
1.310 schwarze 378: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 379:
1.206 kristaps 380: switch (n->type) {
1.314 schwarze 381: case ROFFT_TEXT:
1.206 kristaps 382: break;
1.314 schwarze 383: case ROFFT_TBL:
1.216 kristaps 384: break;
1.314 schwarze 385: case ROFFT_EQN:
1.206 kristaps 386: break;
387: default:
1.338 schwarze 388: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.206 kristaps 389: break;
1.245 schwarze 390: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 391:
392: /*
393: * Explicit end tokens not only call the post
394: * handler, but also tell the respective block
395: * that it must not call the post handler again.
396: */
1.165 kristaps 397: if (ENDBODY_NOT != n->end)
1.338 schwarze 398: n->body->flags |= NODE_ENDED;
1.162 schwarze 399:
400: /*
401: * End of line terminating an implicit block
402: * while an explicit block is still open.
403: * Continue the explicit block without spacing.
404: */
405: if (ENDBODY_NOSPACE == n->end)
406: p->flags |= TERMP_NOSPACE;
1.206 kristaps 407: break;
1.162 schwarze 408: }
1.121 kristaps 409:
1.338 schwarze 410: if (NODE_EOS & n->flags)
1.121 kristaps 411: p->flags |= TERMP_SENTENCE;
1.29 kristaps 412:
1.260 schwarze 413: if (MDOC_ll != n->tok) {
414: p->offset = offset;
415: p->rmargin = rmargin;
416: }
1.1 kristaps 417: }
418:
1.3 kristaps 419: static void
1.316 schwarze 420: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 421: {
1.292 schwarze 422: size_t sz;
1.144 kristaps 423:
1.102 kristaps 424: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 425:
1.264 schwarze 426: /*
1.9 kristaps 427: * Output the footer in new-groff style, that is, three columns
428: * with the middle being the manual date and flanking columns
429: * being the operating system:
430: *
431: * SYSTEM DATE SYSTEM
432: */
433:
1.1 kristaps 434: term_vspace(p);
435:
1.9 kristaps 436: p->offset = 0;
1.292 schwarze 437: sz = term_strlen(p, meta->date);
438: p->rmargin = p->maxrmargin > sz ?
439: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 440: p->trailspace = 1;
1.1 kristaps 441: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
442:
1.245 schwarze 443: term_word(p, meta->os);
1.1 kristaps 444: term_flushln(p);
445:
1.9 kristaps 446: p->offset = p->rmargin;
1.292 schwarze 447: sz = term_strlen(p, meta->os);
448: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 449: p->flags |= TERMP_NOSPACE;
1.9 kristaps 450:
1.245 schwarze 451: term_word(p, meta->date);
1.9 kristaps 452: term_flushln(p);
453:
1.1 kristaps 454: p->offset = p->rmargin;
455: p->rmargin = p->maxrmargin;
1.250 schwarze 456: p->trailspace = 0;
1.1 kristaps 457: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 458: p->flags |= TERMP_NOSPACE;
1.1 kristaps 459:
1.245 schwarze 460: term_word(p, meta->os);
1.1 kristaps 461: term_flushln(p);
462:
1.9 kristaps 463: p->offset = 0;
464: p->rmargin = p->maxrmargin;
465: p->flags = 0;
1.1 kristaps 466: }
467:
1.3 kristaps 468: static void
1.316 schwarze 469: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 470: {
1.267 schwarze 471: char *volume, *title;
472: size_t vollen, titlen;
1.1 kristaps 473:
474: /*
475: * The header is strange. It has three components, which are
476: * really two with the first duplicated. It goes like this:
477: *
478: * IDENTIFIER TITLE IDENTIFIER
479: *
480: * The IDENTIFIER is NAME(SECTION), which is the command-name
481: * (if given, or "unknown" if not) followed by the manual page
482: * section. These are given in `Dt'. The TITLE is a free-form
483: * string depending on the manual volume. If not specified, it
484: * switches on the manual section.
485: */
1.235 schwarze 486:
1.245 schwarze 487: assert(meta->vol);
1.267 schwarze 488: if (NULL == meta->arch)
489: volume = mandoc_strdup(meta->vol);
490: else
491: mandoc_asprintf(&volume, "%s (%s)",
492: meta->vol, meta->arch);
493: vollen = term_strlen(p, volume);
1.1 kristaps 494:
1.275 schwarze 495: if (NULL == meta->msec)
496: title = mandoc_strdup(meta->title);
497: else
498: mandoc_asprintf(&title, "%s(%s)",
499: meta->title, meta->msec);
1.235 schwarze 500: titlen = term_strlen(p, title);
1.1 kristaps 501:
1.235 schwarze 502: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 503: p->trailspace = 1;
1.1 kristaps 504: p->offset = 0;
1.267 schwarze 505: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
506: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 507: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 508:
509: term_word(p, title);
510: term_flushln(p);
511:
1.235 schwarze 512: p->flags |= TERMP_NOSPACE;
1.1 kristaps 513: p->offset = p->rmargin;
1.267 schwarze 514: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 515: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 516:
1.267 schwarze 517: term_word(p, volume);
1.1 kristaps 518: term_flushln(p);
519:
520: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 521: p->trailspace = 0;
1.235 schwarze 522: if (p->rmargin + titlen <= p->maxrmargin) {
523: p->flags |= TERMP_NOSPACE;
524: p->offset = p->rmargin;
525: p->rmargin = p->maxrmargin;
526: term_word(p, title);
527: term_flushln(p);
528: }
1.1 kristaps 529:
1.235 schwarze 530: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 531: p->offset = 0;
1.1 kristaps 532: p->rmargin = p->maxrmargin;
1.266 schwarze 533: free(title);
1.267 schwarze 534: free(volume);
1.1 kristaps 535: }
536:
1.302 schwarze 537: static int
1.157 kristaps 538: a2width(const struct termp *p, const char *v)
1.91 kristaps 539: {
1.92 kristaps 540: struct roffsu su;
1.1 kristaps 541:
1.300 schwarze 542: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 543: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 544: su.scale /= term_strlen(p, "0");
1.302 schwarze 545: }
1.328 schwarze 546: return term_hspan(p, &su) / 24;
1.1 kristaps 547: }
548:
1.108 kristaps 549: /*
550: * Determine how much space to print out before block elements of `It'
551: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
552: * too.
553: */
1.54 kristaps 554: static void
1.264 schwarze 555: print_bvspace(struct termp *p,
1.315 schwarze 556: const struct roff_node *bl,
557: const struct roff_node *n)
1.1 kristaps 558: {
1.315 schwarze 559: const struct roff_node *nn;
1.236 schwarze 560:
561: assert(n);
1.1 kristaps 562:
563: term_newln(p);
1.150 kristaps 564:
1.202 kristaps 565: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 566: return;
1.202 kristaps 567: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 568: return;
569:
1.85 kristaps 570: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 571:
1.289 schwarze 572: nn = n;
1.337 schwarze 573: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
574: nn = nn->prev;
1.289 schwarze 575: while (nn->prev == NULL) {
576: do {
577: nn = nn->parent;
1.314 schwarze 578: if (nn->type == ROFFT_ROOT)
1.289 schwarze 579: return;
1.314 schwarze 580: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 581: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 582: return;
1.289 schwarze 583: if (nn->tok == MDOC_It &&
584: nn->parent->parent->norm->Bl.type != LIST_item)
585: break;
1.1 kristaps 586: }
587:
1.85 kristaps 588: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 589:
1.202 kristaps 590: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 591: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 592: return;
593:
1.85 kristaps 594: /* A `-diag' without body does not vspace. */
595:
1.202 kristaps 596: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 597: if (n->prev && MDOC_It == n->prev->tok) {
598: assert(n->prev->body);
599: if (NULL == n->prev->body->child)
1.55 kristaps 600: return;
601: }
602:
1.54 kristaps 603: term_vspace(p);
1.260 schwarze 604: }
605:
606:
607: static int
608: termp_ll_pre(DECL_ARGS)
609: {
610:
1.331 schwarze 611: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 612: return 0;
1.1 kristaps 613: }
614:
615: static int
616: termp_it_pre(DECL_ARGS)
617: {
1.302 schwarze 618: char buf[24];
1.315 schwarze 619: const struct roff_node *bl, *nn;
1.302 schwarze 620: size_t ncols, dcol;
621: int i, offset, width;
1.126 kristaps 622: enum mdoc_list type;
1.1 kristaps 623:
1.314 schwarze 624: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 625: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 626: return 1;
1.54 kristaps 627: }
1.1 kristaps 628:
1.86 kristaps 629: bl = n->parent->parent->parent;
1.202 kristaps 630: type = bl->norm->Bl.type;
1.1 kristaps 631:
1.264 schwarze 632: /*
1.302 schwarze 633: * Defaults for specific list types.
634: */
635:
636: switch (type) {
637: case LIST_bullet:
638: case LIST_dash:
639: case LIST_hyphen:
640: case LIST_enum:
641: width = term_len(p, 2);
642: break;
643: case LIST_hang:
1.332 schwarze 644: case LIST_tag:
1.302 schwarze 645: width = term_len(p, 8);
646: break;
647: case LIST_column:
648: width = term_len(p, 10);
649: break;
650: default:
651: width = 0;
652: break;
653: }
654: offset = 0;
655:
656: /*
1.108 kristaps 657: * First calculate width and offset. This is pretty easy unless
658: * we're a -column list, in which case all prior columns must
659: * be accounted for.
660: */
661:
1.302 schwarze 662: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 663: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 664: if (offset < 0 && (size_t)(-offset) > p->offset)
665: offset = -p->offset;
666: else if (offset > SHRT_MAX)
667: offset = 0;
668: }
1.152 kristaps 669:
1.1 kristaps 670: switch (type) {
1.264 schwarze 671: case LIST_column:
1.314 schwarze 672: if (n->type == ROFFT_HEAD)
1.1 kristaps 673: break;
1.155 kristaps 674:
1.105 kristaps 675: /*
1.108 kristaps 676: * Imitate groff's column handling:
677: * - For each earlier column, add its width.
678: * - For less than 5 columns, add four more blanks per
679: * column.
680: * - For exactly 5 columns, add three more blank per
681: * column.
682: * - For more than 5 columns, add only one column.
1.105 kristaps 683: */
1.202 kristaps 684: ncols = bl->norm->Bl.ncols;
1.264 schwarze 685: dcol = ncols < 5 ? term_len(p, 4) :
686: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 687:
1.134 kristaps 688: /*
1.314 schwarze 689: * Calculate the offset by applying all prior ROFFT_BODY,
690: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 691: */
692:
1.264 schwarze 693: for (i = 0, nn = n->prev;
694: nn->prev && i < (int)ncols;
695: nn = nn->prev, i++)
696: offset += dcol + a2width(p,
697: bl->norm->Bl.cols[i]);
1.105 kristaps 698:
699: /*
1.108 kristaps 700: * When exceeding the declared number of columns, leave
701: * the remaining widths at 0. This will later be
702: * adjusted to the default width of 10, or, for the last
703: * column, stretched to the right margin.
1.58 kristaps 704: */
1.108 kristaps 705: if (i >= (int)ncols)
706: break;
1.58 kristaps 707:
1.105 kristaps 708: /*
1.108 kristaps 709: * Use the declared column widths, extended as explained
710: * in the preceding paragraph.
1.105 kristaps 711: */
1.202 kristaps 712: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 713: break;
714: default:
1.202 kristaps 715: if (NULL == bl->norm->Bl.width)
1.108 kristaps 716: break;
717:
1.264 schwarze 718: /*
1.108 kristaps 719: * Note: buffer the width by 2, which is groff's magic
720: * number for buffering single arguments. See the above
721: * handling for column for how this changes.
722: */
1.202 kristaps 723: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 724: if (width < 0 && (size_t)(-width) > p->offset)
725: width = -p->offset;
726: else if (width > SHRT_MAX)
727: width = 0;
1.1 kristaps 728: break;
729: }
730:
1.264 schwarze 731: /*
1.17 kristaps 732: * Whitespace control. Inset bodies need an initial space,
733: * while diagonal bodies need two.
1.1 kristaps 734: */
735:
1.51 kristaps 736: p->flags |= TERMP_NOSPACE;
737:
1.1 kristaps 738: switch (type) {
1.264 schwarze 739: case LIST_diag:
1.314 schwarze 740: if (n->type == ROFFT_BODY)
1.62 kristaps 741: term_word(p, "\\ \\ ");
1.51 kristaps 742: break;
1.264 schwarze 743: case LIST_inset:
1.331 schwarze 744: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 745: term_word(p, "\\ ");
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
1.51 kristaps 751: p->flags |= TERMP_NOSPACE;
752:
1.1 kristaps 753: switch (type) {
1.264 schwarze 754: case LIST_diag:
1.314 schwarze 755: if (n->type == ROFFT_HEAD)
1.102 kristaps 756: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
762: /*
1.109 kristaps 763: * Pad and break control. This is the tricky part. These flags
764: * are documented in term_flushln() in term.c. Note that we're
765: * going to unset all of these flags in termp_it_post() when we
766: * exit.
1.1 kristaps 767: */
768:
769: switch (type) {
1.264 schwarze 770: case LIST_enum:
1.329 schwarze 771: case LIST_bullet:
772: case LIST_dash:
773: case LIST_hyphen:
1.242 schwarze 774: /*
775: * Weird special case.
1.302 schwarze 776: * Some very narrow lists actually hang.
1.242 schwarze 777: */
1.302 schwarze 778: if (width <= (int)term_len(p, 2))
779: p->flags |= TERMP_HANG;
1.314 schwarze 780: if (n->type != ROFFT_HEAD)
1.250 schwarze 781: break;
782: p->flags |= TERMP_NOBREAK;
783: p->trailspace = 1;
1.39 kristaps 784: break;
1.264 schwarze 785: case LIST_hang:
1.314 schwarze 786: if (n->type != ROFFT_HEAD)
1.59 kristaps 787: break;
788:
789: /*
790: * This is ugly. If `-hang' is specified and the body
791: * is a `Bl' or `Bd', then we want basically to nullify
792: * the "overstep" effect in term_flushln() and treat
793: * this as a `-ohang' list instead.
794: */
1.279 schwarze 795: if (NULL != n->next &&
1.278 schwarze 796: NULL != n->next->child &&
797: (MDOC_Bl == n->next->child->tok ||
798: MDOC_Bd == n->next->child->tok))
1.250 schwarze 799: break;
800:
1.263 schwarze 801: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 802: p->trailspace = 1;
1.39 kristaps 803: break;
1.264 schwarze 804: case LIST_tag:
1.314 schwarze 805: if (n->type != ROFFT_HEAD)
1.39 kristaps 806: break;
1.250 schwarze 807:
1.326 schwarze 808: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 809: p->trailspace = 2;
810:
1.86 kristaps 811: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 812: p->flags |= TERMP_DANGLE;
1.1 kristaps 813: break;
1.264 schwarze 814: case LIST_column:
1.314 schwarze 815: if (n->type == ROFFT_HEAD)
1.134 kristaps 816: break;
817:
1.250 schwarze 818: if (NULL == n->next) {
1.134 kristaps 819: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 820: p->trailspace = 0;
821: } else {
1.134 kristaps 822: p->flags |= TERMP_NOBREAK;
1.250 schwarze 823: p->trailspace = 1;
824: }
1.134 kristaps 825:
1.1 kristaps 826: break;
1.264 schwarze 827: case LIST_diag:
1.314 schwarze 828: if (n->type != ROFFT_HEAD)
1.250 schwarze 829: break;
1.263 schwarze 830: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 831: p->trailspace = 1;
1.1 kristaps 832: break;
833: default:
834: break;
835: }
836:
1.264 schwarze 837: /*
1.1 kristaps 838: * Margin control. Set-head-width lists have their right
839: * margins shortened. The body for these lists has the offset
840: * necessarily lengthened. Everybody gets the offset.
841: */
842:
843: p->offset += offset;
844:
845: switch (type) {
1.264 schwarze 846: case LIST_hang:
1.59 kristaps 847: /*
848: * Same stipulation as above, regarding `-hang'. We
849: * don't want to recalculate rmargin and offsets when
850: * using `Bd' or `Bl' within `-hang' overstep lists.
851: */
1.314 schwarze 852: if (n->type == ROFFT_HEAD &&
1.279 schwarze 853: NULL != n->next &&
1.278 schwarze 854: NULL != n->next->child &&
855: (MDOC_Bl == n->next->child->tok ||
856: MDOC_Bd == n->next->child->tok))
1.59 kristaps 857: break;
858: /* FALLTHROUGH */
1.264 schwarze 859: case LIST_bullet:
860: case LIST_dash:
861: case LIST_enum:
862: case LIST_hyphen:
863: case LIST_tag:
1.314 schwarze 864: if (n->type == ROFFT_HEAD)
1.1 kristaps 865: p->rmargin = p->offset + width;
1.292 schwarze 866: else
1.1 kristaps 867: p->offset += width;
868: break;
1.264 schwarze 869: case LIST_column:
1.49 kristaps 870: assert(width);
1.1 kristaps 871: p->rmargin = p->offset + width;
1.264 schwarze 872: /*
1.50 kristaps 873: * XXX - this behaviour is not documented: the
874: * right-most column is filled to the right margin.
875: */
1.314 schwarze 876: if (n->type == ROFFT_HEAD)
1.134 kristaps 877: break;
878: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 879: p->rmargin = p->maxrmargin;
1.1 kristaps 880: break;
881: default:
882: break;
883: }
884:
1.264 schwarze 885: /*
1.1 kristaps 886: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 887: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 888: */
889:
1.314 schwarze 890: if (n->type == ROFFT_HEAD)
1.1 kristaps 891: switch (type) {
1.264 schwarze 892: case LIST_bullet:
1.102 kristaps 893: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 894: term_word(p, "\\[bu]");
1.102 kristaps 895: term_fontpop(p);
1.1 kristaps 896: break;
1.264 schwarze 897: case LIST_dash:
898: case LIST_hyphen:
1.102 kristaps 899: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 900: term_word(p, "-");
1.102 kristaps 901: term_fontpop(p);
1.1 kristaps 902: break;
1.264 schwarze 903: case LIST_enum:
1.1 kristaps 904: (pair->ppair->ppair->count)++;
1.265 schwarze 905: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 906: pair->ppair->ppair->count);
1.1 kristaps 907: term_word(p, buf);
908: break;
909: default:
910: break;
911: }
912:
1.264 schwarze 913: /*
1.1 kristaps 914: * If we're not going to process our children, indicate so here.
915: */
916:
917: switch (type) {
1.264 schwarze 918: case LIST_bullet:
919: case LIST_item:
920: case LIST_dash:
921: case LIST_hyphen:
922: case LIST_enum:
1.314 schwarze 923: if (n->type == ROFFT_HEAD)
1.328 schwarze 924: return 0;
1.1 kristaps 925: break;
1.264 schwarze 926: case LIST_column:
1.314 schwarze 927: if (n->type == ROFFT_HEAD)
1.328 schwarze 928: return 0;
1.1 kristaps 929: break;
930: default:
931: break;
932: }
933:
1.328 schwarze 934: return 1;
1.1 kristaps 935: }
936:
937: static void
938: termp_it_post(DECL_ARGS)
939: {
1.126 kristaps 940: enum mdoc_list type;
1.1 kristaps 941:
1.314 schwarze 942: if (n->type == ROFFT_BLOCK)
1.1 kristaps 943: return;
944:
1.202 kristaps 945: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 946:
947: switch (type) {
1.264 schwarze 948: case LIST_item:
949: case LIST_diag:
950: case LIST_inset:
1.314 schwarze 951: if (n->type == ROFFT_BODY)
1.130 schwarze 952: term_newln(p);
1.1 kristaps 953: break;
1.264 schwarze 954: case LIST_column:
1.314 schwarze 955: if (n->type == ROFFT_BODY)
1.1 kristaps 956: term_flushln(p);
957: break;
958: default:
1.130 schwarze 959: term_newln(p);
1.1 kristaps 960: break;
961: }
962:
1.264 schwarze 963: /*
1.109 kristaps 964: * Now that our output is flushed, we can reset our tags. Since
965: * only `It' sets these flags, we're free to assume that nobody
966: * has munged them in the meanwhile.
967: */
968:
1.326 schwarze 969: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 970: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 971: p->trailspace = 0;
1.1 kristaps 972: }
973:
974: static int
975: termp_nm_pre(DECL_ARGS)
976: {
1.296 schwarze 977: const char *cp;
1.1 kristaps 978:
1.314 schwarze 979: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 980: p->flags |= TERMP_PREKEEP;
1.328 schwarze 981: return 1;
1.253 schwarze 982: }
1.164 schwarze 983:
1.314 schwarze 984: if (n->type == ROFFT_BODY) {
1.164 schwarze 985: if (NULL == n->child)
1.328 schwarze 986: return 0;
1.234 schwarze 987: p->flags |= TERMP_NOSPACE;
1.296 schwarze 988: cp = NULL;
989: if (n->prev->child != NULL)
990: cp = n->prev->child->string;
991: if (cp == NULL)
992: cp = meta->name;
993: if (cp == NULL)
994: p->offset += term_len(p, 6);
995: else
996: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 997: return 1;
1.164 schwarze 998: }
999:
1.245 schwarze 1000: if (NULL == n->child && NULL == meta->name)
1.328 schwarze 1001: return 0;
1.125 kristaps 1002:
1.314 schwarze 1003: if (n->type == ROFFT_HEAD)
1.177 schwarze 1004: synopsis_pre(p, n->parent);
1.102 kristaps 1005:
1.314 schwarze 1006: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1007: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1008: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1009: p->trailspace = 1;
1.185 schwarze 1010: p->rmargin = p->offset + term_len(p, 1);
1011: if (NULL == n->child) {
1.245 schwarze 1012: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1013: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1014: p->rmargin += term_strlen(p, n->child->string);
1015: if (n->child->next)
1016: p->flags |= TERMP_HANG;
1017: } else {
1018: p->rmargin += term_len(p, 5);
1019: p->flags |= TERMP_HANG;
1020: }
1.164 schwarze 1021: }
1022:
1.102 kristaps 1023: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1024: if (NULL == n->child)
1.245 schwarze 1025: term_word(p, meta->name);
1.328 schwarze 1026: return 1;
1.1 kristaps 1027: }
1028:
1.164 schwarze 1029: static void
1030: termp_nm_post(DECL_ARGS)
1031: {
1032:
1.314 schwarze 1033: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1034: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1035: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1036: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1037: term_flushln(p);
1.263 schwarze 1038: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1039: p->trailspace = 0;
1.314 schwarze 1040: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1041: term_flushln(p);
1042: }
1043:
1.1 kristaps 1044: static int
1045: termp_fl_pre(DECL_ARGS)
1046: {
1047:
1.320 schwarze 1048: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1049: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1050: term_word(p, "\\-");
1.103 kristaps 1051:
1.331 schwarze 1052: if (!(n->child == NULL &&
1.280 schwarze 1053: (n->next == NULL ||
1.314 schwarze 1054: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1055: n->next->flags & NODE_LINE)))
1.103 kristaps 1056: p->flags |= TERMP_NOSPACE;
1057:
1.328 schwarze 1058: return 1;
1.1 kristaps 1059: }
1060:
1061: static int
1.184 kristaps 1062: termp__a_pre(DECL_ARGS)
1063: {
1064:
1065: if (n->prev && MDOC__A == n->prev->tok)
1066: if (NULL == n->next || MDOC__A != n->next->tok)
1067: term_word(p, "and");
1068:
1.328 schwarze 1069: return 1;
1.184 kristaps 1070: }
1071:
1072: static int
1.61 kristaps 1073: termp_an_pre(DECL_ARGS)
1074: {
1075:
1.282 schwarze 1076: if (n->norm->An.auth == AUTH_split) {
1077: p->flags &= ~TERMP_NOSPLIT;
1078: p->flags |= TERMP_SPLIT;
1.328 schwarze 1079: return 0;
1.282 schwarze 1080: }
1081: if (n->norm->An.auth == AUTH_nosplit) {
1082: p->flags &= ~TERMP_SPLIT;
1083: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1084: return 0;
1.282 schwarze 1085: }
1.264 schwarze 1086:
1.282 schwarze 1087: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1088: term_newln(p);
1089:
1.282 schwarze 1090: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1091: p->flags |= TERMP_SPLIT;
1.61 kristaps 1092:
1.328 schwarze 1093: return 1;
1.61 kristaps 1094: }
1095:
1096: static int
1.1 kristaps 1097: termp_ns_pre(DECL_ARGS)
1098: {
1099:
1.338 schwarze 1100: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1101: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1102: return 1;
1.1 kristaps 1103: }
1104:
1105: static int
1106: termp_rs_pre(DECL_ARGS)
1107: {
1108:
1.86 kristaps 1109: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1110: return 1;
1.314 schwarze 1111: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1112: term_vspace(p);
1.328 schwarze 1113: return 1;
1.1 kristaps 1114: }
1115:
1116: static int
1117: termp_rv_pre(DECL_ARGS)
1118: {
1.331 schwarze 1119: struct roff_node *nch;
1.1 kristaps 1120:
1121: term_newln(p);
1122:
1.331 schwarze 1123: if (n->child != NULL) {
1.273 schwarze 1124: term_word(p, "The");
1.224 kristaps 1125:
1.331 schwarze 1126: for (nch = n->child; nch != NULL; nch = nch->next) {
1.273 schwarze 1127: term_fontpush(p, TERMFONT_BOLD);
1.331 schwarze 1128: term_word(p, nch->string);
1.273 schwarze 1129: term_fontpop(p);
1.223 kristaps 1130:
1131: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1132: term_word(p, "()");
1133:
1.331 schwarze 1134: if (nch->next == NULL)
1.273 schwarze 1135: continue;
1136:
1.331 schwarze 1137: if (nch->prev != NULL || nch->next->next != NULL) {
1.273 schwarze 1138: p->flags |= TERMP_NOSPACE;
1139: term_word(p, ",");
1140: }
1.331 schwarze 1141: if (nch->next->next == NULL)
1.273 schwarze 1142: term_word(p, "and");
1.223 kristaps 1143: }
1144:
1.331 schwarze 1145: if (n->child != NULL && n->child->next != NULL)
1.273 schwarze 1146: term_word(p, "functions return");
1147: else
1148: term_word(p, "function returns");
1149:
1150: term_word(p, "the value\\~0 if successful;");
1151: } else
1152: term_word(p, "Upon successful completion,"
1153: " the value\\~0 is returned;");
1.1 kristaps 1154:
1.273 schwarze 1155: term_word(p, "otherwise the value\\~\\-1 is returned"
1156: " and the global variable");
1.1 kristaps 1157:
1.102 kristaps 1158: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1159: term_word(p, "errno");
1.102 kristaps 1160: term_fontpop(p);
1.1 kristaps 1161:
1.264 schwarze 1162: term_word(p, "is set to indicate the error.");
1.131 kristaps 1163: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1164:
1.328 schwarze 1165: return 0;
1.1 kristaps 1166: }
1167:
1168: static int
1169: termp_ex_pre(DECL_ARGS)
1170: {
1.331 schwarze 1171: struct roff_node *nch;
1.1 kristaps 1172:
1.224 kristaps 1173: term_newln(p);
1.68 kristaps 1174: term_word(p, "The");
1.1 kristaps 1175:
1.331 schwarze 1176: for (nch = n->child; nch != NULL; nch = nch->next) {
1.102 kristaps 1177: term_fontpush(p, TERMFONT_BOLD);
1.331 schwarze 1178: term_word(p, nch->string);
1.102 kristaps 1179: term_fontpop(p);
1.224 kristaps 1180:
1.331 schwarze 1181: if (nch->next == NULL)
1182: continue;
1183:
1184: if (nch->prev != NULL || nch->next->next != NULL) {
1.224 kristaps 1185: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1186: term_word(p, ",");
1.224 kristaps 1187: }
1188:
1.331 schwarze 1189: if (nch->next->next == NULL)
1.224 kristaps 1190: term_word(p, "and");
1.68 kristaps 1191: }
1192:
1.331 schwarze 1193: if (n->child != NULL && n->child->next != NULL)
1.273 schwarze 1194: term_word(p, "utilities exit\\~0");
1.68 kristaps 1195: else
1.273 schwarze 1196: term_word(p, "utility exits\\~0");
1.68 kristaps 1197:
1.273 schwarze 1198: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1199:
1.131 kristaps 1200: p->flags |= TERMP_SENTENCE;
1.328 schwarze 1201: return 0;
1.1 kristaps 1202: }
1203:
1204: static int
1205: termp_nd_pre(DECL_ARGS)
1206: {
1.25 kristaps 1207:
1.314 schwarze 1208: if (n->type == ROFFT_BODY)
1.297 schwarze 1209: term_word(p, "\\(en");
1.328 schwarze 1210: return 1;
1.115 kristaps 1211: }
1212:
1213: static int
1214: termp_bl_pre(DECL_ARGS)
1215: {
1216:
1.328 schwarze 1217: return n->type != ROFFT_HEAD;
1.1 kristaps 1218: }
1219:
1220: static void
1221: termp_bl_post(DECL_ARGS)
1222: {
1223:
1.314 schwarze 1224: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1225: term_newln(p);
1226: }
1227:
1228: static int
1229: termp_xr_pre(DECL_ARGS)
1230: {
1231:
1.225 kristaps 1232: if (NULL == (n = n->child))
1.328 schwarze 1233: return 0;
1.113 kristaps 1234:
1.314 schwarze 1235: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1236: term_word(p, n->string);
1.11 kristaps 1237:
1.264 schwarze 1238: if (NULL == (n = n->next))
1.328 schwarze 1239: return 0;
1.225 kristaps 1240:
1.1 kristaps 1241: p->flags |= TERMP_NOSPACE;
1242: term_word(p, "(");
1.222 kristaps 1243: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1244:
1.314 schwarze 1245: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1246: term_word(p, n->string);
1247:
1.222 kristaps 1248: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1249: term_word(p, ")");
1.86 kristaps 1250:
1.328 schwarze 1251: return 0;
1.1 kristaps 1252: }
1253:
1.143 kristaps 1254: /*
1255: * This decides how to assert whitespace before any of the SYNOPSIS set
1256: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1257: * macro combos).
1258: */
1259: static void
1.315 schwarze 1260: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1261: {
1.264 schwarze 1262: /*
1.143 kristaps 1263: * Obviously, if we're not in a SYNOPSIS or no prior macros
1264: * exist, do nothing.
1265: */
1.338 schwarze 1266: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1267: return;
1268:
1269: /*
1270: * If we're the second in a pair of like elements, emit our
1271: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1272: * case we soldier on.
1273: */
1.264 schwarze 1274: if (n->prev->tok == n->tok &&
1275: MDOC_Ft != n->tok &&
1276: MDOC_Fo != n->tok &&
1277: MDOC_Fn != n->tok) {
1.143 kristaps 1278: term_newln(p);
1279: return;
1280: }
1281:
1282: /*
1283: * If we're one of the SYNOPSIS set and non-like pair-wise after
1284: * another (or Fn/Fo, which we've let slip through) then assert
1285: * vertical space, else only newline and move on.
1286: */
1287: switch (n->prev->tok) {
1.264 schwarze 1288: case MDOC_Fd:
1289: case MDOC_Fn:
1290: case MDOC_Fo:
1291: case MDOC_In:
1292: case MDOC_Vt:
1.143 kristaps 1293: term_vspace(p);
1294: break;
1.264 schwarze 1295: case MDOC_Ft:
1.143 kristaps 1296: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1297: term_vspace(p);
1298: break;
1299: }
1300: /* FALLTHROUGH */
1301: default:
1302: term_newln(p);
1303: break;
1304: }
1305: }
1306:
1.110 kristaps 1307: static int
1308: termp_vt_pre(DECL_ARGS)
1309: {
1310:
1.314 schwarze 1311: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1312: synopsis_pre(p, n);
1.328 schwarze 1313: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1314: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1315: synopsis_pre(p, n);
1.328 schwarze 1316: return 1;
1.314 schwarze 1317: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1318: return 0;
1.110 kristaps 1319:
1.328 schwarze 1320: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1321: }
1322:
1.1 kristaps 1323: static int
1.69 kristaps 1324: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1325: {
1326:
1.320 schwarze 1327: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1328: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1329: return 1;
1.1 kristaps 1330: }
1331:
1.143 kristaps 1332: static int
1333: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1334: {
1335:
1.143 kristaps 1336: synopsis_pre(p, n);
1.328 schwarze 1337: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1338: }
1339:
1.241 schwarze 1340: static void
1341: termp_fd_post(DECL_ARGS)
1342: {
1343:
1344: term_newln(p);
1345: }
1346:
1.1 kristaps 1347: static int
1348: termp_sh_pre(DECL_ARGS)
1349: {
1.85 kristaps 1350:
1.86 kristaps 1351: switch (n->type) {
1.314 schwarze 1352: case ROFFT_BLOCK:
1.293 schwarze 1353: /*
1354: * Vertical space before sections, except
1355: * when the previous section was empty.
1356: */
1357: if (n->prev == NULL ||
1.322 schwarze 1358: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1359: (n->prev->body != NULL &&
1360: n->prev->body->child != NULL))
1361: term_vspace(p);
1.65 kristaps 1362: break;
1.314 schwarze 1363: case ROFFT_HEAD:
1.102 kristaps 1364: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1365: break;
1.314 schwarze 1366: case ROFFT_BODY:
1.238 schwarze 1367: p->offset = term_len(p, p->defindent);
1.322 schwarze 1368: switch (n->sec) {
1369: case SEC_DESCRIPTION:
1370: fn_prio = 0;
1371: break;
1372: case SEC_AUTHORS:
1.239 schwarze 1373: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1374: break;
1375: default:
1376: break;
1377: }
1.1 kristaps 1378: break;
1379: default:
1380: break;
1381: }
1.328 schwarze 1382: return 1;
1.1 kristaps 1383: }
1384:
1385: static void
1386: termp_sh_post(DECL_ARGS)
1387: {
1388:
1.86 kristaps 1389: switch (n->type) {
1.314 schwarze 1390: case ROFFT_HEAD:
1.1 kristaps 1391: term_newln(p);
1392: break;
1.314 schwarze 1393: case ROFFT_BODY:
1.1 kristaps 1394: term_newln(p);
1395: p->offset = 0;
1396: break;
1397: default:
1398: break;
1399: }
1400: }
1401:
1402: static int
1403: termp_bt_pre(DECL_ARGS)
1404: {
1405:
1406: term_word(p, "is currently in beta test.");
1.131 kristaps 1407: p->flags |= TERMP_SENTENCE;
1.328 schwarze 1408: return 0;
1.1 kristaps 1409: }
1410:
1411: static void
1412: termp_lb_post(DECL_ARGS)
1413: {
1414:
1.338 schwarze 1415: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1416: term_newln(p);
1.1 kristaps 1417: }
1418:
1419: static int
1420: termp_ud_pre(DECL_ARGS)
1421: {
1422:
1423: term_word(p, "currently under development.");
1.131 kristaps 1424: p->flags |= TERMP_SENTENCE;
1.328 schwarze 1425: return 0;
1.1 kristaps 1426: }
1427:
1428: static int
1429: termp_d1_pre(DECL_ARGS)
1430: {
1431:
1.314 schwarze 1432: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1433: return 1;
1.1 kristaps 1434: term_newln(p);
1.238 schwarze 1435: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1436: return 1;
1.1 kristaps 1437: }
1438:
1439: static int
1440: termp_ft_pre(DECL_ARGS)
1441: {
1442:
1.338 schwarze 1443: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1444: synopsis_pre(p, n);
1.102 kristaps 1445: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1446: return 1;
1.1 kristaps 1447: }
1448:
1449: static int
1450: termp_fn_pre(DECL_ARGS)
1451: {
1.257 schwarze 1452: size_t rmargin = 0;
1.226 kristaps 1453: int pretty;
1454:
1.338 schwarze 1455: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1456:
1.143 kristaps 1457: synopsis_pre(p, n);
1.139 kristaps 1458:
1.226 kristaps 1459: if (NULL == (n = n->child))
1.328 schwarze 1460: return 0;
1.226 kristaps 1461:
1.251 schwarze 1462: if (pretty) {
1463: rmargin = p->rmargin;
1.257 schwarze 1464: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1465: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1466: }
1467:
1.314 schwarze 1468: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1469: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1470: term_word(p, n->string);
1.102 kristaps 1471: term_fontpop(p);
1.1 kristaps 1472:
1.336 schwarze 1473: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1474: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1475:
1.251 schwarze 1476: if (pretty) {
1477: term_flushln(p);
1.263 schwarze 1478: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1479: p->offset = p->rmargin;
1480: p->rmargin = rmargin;
1481: }
1482:
1.1 kristaps 1483: p->flags |= TERMP_NOSPACE;
1484: term_word(p, "(");
1.222 kristaps 1485: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1486:
1.226 kristaps 1487: for (n = n->next; n; n = n->next) {
1.314 schwarze 1488: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1489: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1490: if (pretty)
1491: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1492: term_word(p, n->string);
1.102 kristaps 1493: term_fontpop(p);
1494:
1.226 kristaps 1495: if (n->next) {
1.222 kristaps 1496: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1497: term_word(p, ",");
1.222 kristaps 1498: }
1.1 kristaps 1499: }
1500:
1.222 kristaps 1501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1502: term_word(p, ")");
1503:
1.226 kristaps 1504: if (pretty) {
1.222 kristaps 1505: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1506: term_word(p, ";");
1.251 schwarze 1507: term_flushln(p);
1.222 kristaps 1508: }
1.1 kristaps 1509:
1.328 schwarze 1510: return 0;
1.1 kristaps 1511: }
1512:
1513: static int
1514: termp_fa_pre(DECL_ARGS)
1515: {
1.315 schwarze 1516: const struct roff_node *nn;
1.1 kristaps 1517:
1.86 kristaps 1518: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1519: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1520: return 1;
1.1 kristaps 1521: }
1522:
1.86 kristaps 1523: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1524: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1525: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1526: term_word(p, nn->string);
1.102 kristaps 1527: term_fontpop(p);
1528:
1.256 schwarze 1529: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1530: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1531: term_word(p, ",");
1.222 kristaps 1532: }
1.1 kristaps 1533: }
1534:
1.328 schwarze 1535: return 0;
1.1 kristaps 1536: }
1537:
1538: static int
1539: termp_bd_pre(DECL_ARGS)
1540: {
1.272 schwarze 1541: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1542: struct roff_node *nn;
1.302 schwarze 1543: int offset;
1.1 kristaps 1544:
1.314 schwarze 1545: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1546: print_bvspace(p, n, n);
1.328 schwarze 1547: return 1;
1.314 schwarze 1548: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1549: return 0;
1.1 kristaps 1550:
1.288 schwarze 1551: /* Handle the -offset argument. */
1552:
1553: if (n->norm->Bd.offs == NULL ||
1554: ! strcmp(n->norm->Bd.offs, "left"))
1555: /* nothing */;
1556: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1557: p->offset += term_len(p, p->defindent + 1);
1558: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1559: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1560: else {
1561: offset = a2width(p, n->norm->Bd.offs);
1562: if (offset < 0 && (size_t)(-offset) > p->offset)
1563: p->offset = 0;
1564: else if (offset < SHRT_MAX)
1565: p->offset += offset;
1566: }
1.85 kristaps 1567:
1568: /*
1569: * If -ragged or -filled are specified, the block does nothing
1570: * but change the indentation. If -unfilled or -literal are
1571: * specified, text is printed exactly as entered in the display:
1572: * for macro lines, a newline is appended to the line. Blank
1573: * lines are allowed.
1574: */
1.264 schwarze 1575:
1576: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1577: DISP_unfilled != n->norm->Bd.type &&
1578: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1579: return 1;
1.1 kristaps 1580:
1.129 schwarze 1581: tabwidth = p->tabwidth;
1.208 kristaps 1582: if (DISP_literal == n->norm->Bd.type)
1583: p->tabwidth = term_len(p, 8);
1584:
1.272 schwarze 1585: lm = p->offset;
1.119 kristaps 1586: rm = p->rmargin;
1587: rmax = p->maxrmargin;
1.120 kristaps 1588: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1589:
1.86 kristaps 1590: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1591: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1592: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1593: len = term_strlen(p, nn->string);
1594: p->offset = len >= rm ? 0 :
1595: lm + len >= rm ? rm - len :
1596: (lm + rm - len) / 2;
1597: } else
1598: p->offset = lm;
1599: }
1.245 schwarze 1600: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1601: /*
1602: * If the printed node flushes its own line, then we
1603: * needn't do it here as well. This is hacky, but the
1604: * notion of selective eoln whitespace is pretty dumb
1605: * anyway, so don't sweat it.
1606: */
1607: switch (nn->tok) {
1.264 schwarze 1608: case MDOC_Sm:
1609: case MDOC_br:
1610: case MDOC_sp:
1611: case MDOC_Bl:
1612: case MDOC_D1:
1613: case MDOC_Dl:
1614: case MDOC_Lp:
1615: case MDOC_Pp:
1.190 kristaps 1616: continue;
1617: default:
1618: break;
1619: }
1.299 schwarze 1620: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1621: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1622: continue;
1623: term_flushln(p);
1624: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1625: }
1.147 kristaps 1626:
1.129 schwarze 1627: p->tabwidth = tabwidth;
1.119 kristaps 1628: p->rmargin = rm;
1629: p->maxrmargin = rmax;
1.328 schwarze 1630: return 0;
1.1 kristaps 1631: }
1632:
1633: static void
1634: termp_bd_post(DECL_ARGS)
1635: {
1.119 kristaps 1636: size_t rm, rmax;
1.1 kristaps 1637:
1.314 schwarze 1638: if (n->type != ROFFT_BODY)
1.1 kristaps 1639: return;
1.118 kristaps 1640:
1.119 kristaps 1641: rm = p->rmargin;
1642: rmax = p->maxrmargin;
1.118 kristaps 1643:
1.264 schwarze 1644: if (DISP_literal == n->norm->Bd.type ||
1645: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1646: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1647:
1.60 kristaps 1648: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1649: term_newln(p);
1.118 kristaps 1650:
1.119 kristaps 1651: p->rmargin = rm;
1652: p->maxrmargin = rmax;
1.1 kristaps 1653: }
1654:
1.211 kristaps 1655: static int
1656: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1657: {
1658:
1.211 kristaps 1659: if (NULL != (n = n->child)) {
1660: term_word(p, n->string);
1661: p->flags |= TERMP_NOSPACE;
1662: term_word(p, "BSD");
1663: } else {
1664: term_word(p, "BSD");
1.328 schwarze 1665: return 0;
1.211 kristaps 1666: }
1667:
1668: if (NULL != (n = n->next)) {
1669: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1670: term_word(p, "-");
1.1 kristaps 1671: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1672: term_word(p, n->string);
1.211 kristaps 1673: }
1674:
1.328 schwarze 1675: return 0;
1.1 kristaps 1676: }
1677:
1678: static int
1.26 kristaps 1679: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1680: {
1.339 ! schwarze 1681: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
! 1682: p->flags |= TERMP_PREKEEP;
! 1683: return 1;
! 1684: }
1.1 kristaps 1685:
1.339 ! schwarze 1686: static void
! 1687: termp_xx_post(DECL_ARGS)
! 1688: {
! 1689: if (n->aux == 0)
! 1690: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1691: }
1692:
1693: static void
1694: termp_pf_post(DECL_ARGS)
1695: {
1696:
1.338 schwarze 1697: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1698: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1699: }
1700:
1701: static int
1702: termp_ss_pre(DECL_ARGS)
1703: {
1.337 schwarze 1704: struct roff_node *nn;
1.1 kristaps 1705:
1.86 kristaps 1706: switch (n->type) {
1.314 schwarze 1707: case ROFFT_BLOCK:
1.1 kristaps 1708: term_newln(p);
1.337 schwarze 1709: for (nn = n->prev; nn != NULL; nn = nn->prev)
1710: if ((nn->flags & NODE_NOPRT) == 0)
1711: break;
1712: if (nn != NULL)
1.1 kristaps 1713: term_vspace(p);
1714: break;
1.314 schwarze 1715: case ROFFT_HEAD:
1.102 kristaps 1716: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1717: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1718: break;
1.314 schwarze 1719: case ROFFT_BODY:
1.274 schwarze 1720: p->offset = term_len(p, p->defindent);
1721: break;
1.1 kristaps 1722: default:
1723: break;
1724: }
1725:
1.328 schwarze 1726: return 1;
1.1 kristaps 1727: }
1728:
1729: static void
1730: termp_ss_post(DECL_ARGS)
1731: {
1732:
1.314 schwarze 1733: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1734: term_newln(p);
1735: }
1736:
1737: static int
1738: termp_cd_pre(DECL_ARGS)
1739: {
1740:
1.143 kristaps 1741: synopsis_pre(p, n);
1.102 kristaps 1742: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1743: return 1;
1.1 kristaps 1744: }
1745:
1746: static int
1747: termp_in_pre(DECL_ARGS)
1748: {
1.142 schwarze 1749:
1.143 kristaps 1750: synopsis_pre(p, n);
1.1 kristaps 1751:
1.338 schwarze 1752: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1753: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1754: term_word(p, "#include");
1.138 kristaps 1755: term_word(p, "<");
1756: } else {
1757: term_word(p, "<");
1758: term_fontpush(p, TERMFONT_UNDER);
1759: }
1.22 kristaps 1760:
1.1 kristaps 1761: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1762: return 1;
1.1 kristaps 1763: }
1764:
1765: static void
1766: termp_in_post(DECL_ARGS)
1767: {
1768:
1.338 schwarze 1769: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1770: term_fontpush(p, TERMFONT_BOLD);
1771:
1.79 kristaps 1772: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1773: term_word(p, ">");
1774:
1.338 schwarze 1775: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1776: term_fontpop(p);
1.1 kristaps 1777: }
1778:
1779: static int
1.45 kristaps 1780: termp_sp_pre(DECL_ARGS)
1781: {
1.300 schwarze 1782: struct roffsu su;
1.312 schwarze 1783: int i, len;
1.45 kristaps 1784:
1.86 kristaps 1785: switch (n->tok) {
1.264 schwarze 1786: case MDOC_sp:
1.300 schwarze 1787: if (n->child) {
1788: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1789: su.scale = 1.0;
1790: len = term_vspan(p, &su);
1791: } else
1792: len = 1;
1.76 kristaps 1793: break;
1.264 schwarze 1794: case MDOC_br:
1.76 kristaps 1795: len = 0;
1796: break;
1797: default:
1798: len = 1;
1.322 schwarze 1799: fn_prio = 0;
1.76 kristaps 1800: break;
1.45 kristaps 1801: }
1802:
1803: if (0 == len)
1804: term_newln(p);
1.312 schwarze 1805: else if (len < 0)
1806: p->skipvsp -= len;
1807: else
1808: for (i = 0; i < len; i++)
1809: term_vspace(p);
1.45 kristaps 1810:
1.328 schwarze 1811: return 0;
1.45 kristaps 1812: }
1813:
1814: static int
1.294 schwarze 1815: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1816: {
1817:
1.328 schwarze 1818: return 0;
1.268 schwarze 1819: }
1820:
1821: static int
1.188 kristaps 1822: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1823: {
1824:
1.314 schwarze 1825: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1826: return 1;
1.1 kristaps 1827:
1.188 kristaps 1828: switch (n->tok) {
1.264 schwarze 1829: case MDOC_Ao:
1830: case MDOC_Aq:
1.331 schwarze 1831: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1832: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1833: break;
1.264 schwarze 1834: case MDOC_Bro:
1835: case MDOC_Brq:
1.188 kristaps 1836: term_word(p, "{");
1837: break;
1.264 schwarze 1838: case MDOC_Oo:
1839: case MDOC_Op:
1840: case MDOC_Bo:
1841: case MDOC_Bq:
1.188 kristaps 1842: term_word(p, "[");
1843: break;
1.264 schwarze 1844: case MDOC_Do:
1845: case MDOC_Dq:
1.311 schwarze 1846: term_word(p, "\\(Lq");
1.188 kristaps 1847: break;
1.268 schwarze 1848: case MDOC_En:
1849: if (NULL == n->norm->Es ||
1850: NULL == n->norm->Es->child)
1.328 schwarze 1851: return 1;
1.268 schwarze 1852: term_word(p, n->norm->Es->child->string);
1853: break;
1.264 schwarze 1854: case MDOC_Po:
1855: case MDOC_Pq:
1.188 kristaps 1856: term_word(p, "(");
1857: break;
1.264 schwarze 1858: case MDOC__T:
1859: case MDOC_Qo:
1860: case MDOC_Qq:
1.188 kristaps 1861: term_word(p, "\"");
1862: break;
1.264 schwarze 1863: case MDOC_Ql:
1864: case MDOC_So:
1865: case MDOC_Sq:
1.249 schwarze 1866: term_word(p, "\\(oq");
1.188 kristaps 1867: break;
1868: default:
1869: abort();
1870: }
1.1 kristaps 1871:
1872: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1873: return 1;
1.1 kristaps 1874: }
1875:
1876: static void
1.188 kristaps 1877: termp_quote_post(DECL_ARGS)
1.1 kristaps 1878: {
1879:
1.314 schwarze 1880: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1881: return;
1882:
1.306 schwarze 1883: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1884:
1.188 kristaps 1885: switch (n->tok) {
1.264 schwarze 1886: case MDOC_Ao:
1887: case MDOC_Aq:
1.331 schwarze 1888: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1889: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1890: break;
1.264 schwarze 1891: case MDOC_Bro:
1892: case MDOC_Brq:
1.188 kristaps 1893: term_word(p, "}");
1894: break;
1.264 schwarze 1895: case MDOC_Oo:
1896: case MDOC_Op:
1897: case MDOC_Bo:
1898: case MDOC_Bq:
1.188 kristaps 1899: term_word(p, "]");
1900: break;
1.264 schwarze 1901: case MDOC_Do:
1902: case MDOC_Dq:
1.311 schwarze 1903: term_word(p, "\\(Rq");
1.268 schwarze 1904: break;
1905: case MDOC_En:
1.306 schwarze 1906: if (n->norm->Es == NULL ||
1907: n->norm->Es->child == NULL ||
1908: n->norm->Es->child->next == NULL)
1909: p->flags &= ~TERMP_NOSPACE;
1910: else
1.268 schwarze 1911: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1912: break;
1.264 schwarze 1913: case MDOC_Po:
1914: case MDOC_Pq:
1.188 kristaps 1915: term_word(p, ")");
1916: break;
1.264 schwarze 1917: case MDOC__T:
1918: case MDOC_Qo:
1919: case MDOC_Qq:
1.188 kristaps 1920: term_word(p, "\"");
1921: break;
1.264 schwarze 1922: case MDOC_Ql:
1923: case MDOC_So:
1924: case MDOC_Sq:
1.249 schwarze 1925: term_word(p, "\\(cq");
1.188 kristaps 1926: break;
1927: default:
1928: abort();
1929: }
1.306 schwarze 1930: }
1931:
1932: static int
1933: termp_eo_pre(DECL_ARGS)
1934: {
1935:
1.314 schwarze 1936: if (n->type != ROFFT_BODY)
1.328 schwarze 1937: return 1;
1.306 schwarze 1938:
1939: if (n->end == ENDBODY_NOT &&
1940: n->parent->head->child == NULL &&
1941: n->child != NULL &&
1942: n->child->end != ENDBODY_NOT)
1943: term_word(p, "\\&");
1944: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1945: n->parent->head->child != NULL && (n->child != NULL ||
1946: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1947: p->flags |= TERMP_NOSPACE;
1948:
1.328 schwarze 1949: return 1;
1.306 schwarze 1950: }
1951:
1952: static void
1953: termp_eo_post(DECL_ARGS)
1954: {
1955: int body, tail;
1956:
1.314 schwarze 1957: if (n->type != ROFFT_BODY)
1.306 schwarze 1958: return;
1959:
1960: if (n->end != ENDBODY_NOT) {
1961: p->flags &= ~TERMP_NOSPACE;
1962: return;
1963: }
1964:
1965: body = n->child != NULL || n->parent->head->child != NULL;
1966: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1967:
1968: if (body && tail)
1969: p->flags |= TERMP_NOSPACE;
1970: else if ( ! (body || tail))
1971: term_word(p, "\\&");
1972: else if ( ! tail)
1973: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1974: }
1975:
1976: static int
1977: termp_fo_pre(DECL_ARGS)
1978: {
1.257 schwarze 1979: size_t rmargin = 0;
1.256 schwarze 1980: int pretty;
1981:
1.338 schwarze 1982: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1983:
1.314 schwarze 1984: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1985: synopsis_pre(p, n);
1.328 schwarze 1986: return 1;
1.314 schwarze 1987: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1988: if (pretty) {
1989: rmargin = p->rmargin;
1.257 schwarze 1990: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1991: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1992: TERMP_HANG;
1.256 schwarze 1993: }
1.33 kristaps 1994: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1995: term_word(p, "(");
1.222 kristaps 1996: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1997: if (pretty) {
1998: term_flushln(p);
1.263 schwarze 1999: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2000: TERMP_HANG);
1.256 schwarze 2001: p->offset = p->rmargin;
2002: p->rmargin = rmargin;
2003: }
1.328 schwarze 2004: return 1;
1.256 schwarze 2005: }
1.141 kristaps 2006:
1.169 kristaps 2007: if (NULL == n->child)
1.328 schwarze 2008: return 0;
1.169 kristaps 2009:
1.141 kristaps 2010: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2011:
1.141 kristaps 2012: assert(n->child->string);
1.102 kristaps 2013: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2014: term_word(p, n->child->string);
1.328 schwarze 2015: return 0;
1.1 kristaps 2016: }
2017:
2018: static void
2019: termp_fo_post(DECL_ARGS)
2020: {
2021:
1.314 schwarze 2022: if (n->type != ROFFT_BODY)
1.143 kristaps 2023: return;
2024:
1.222 kristaps 2025: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2026: term_word(p, ")");
2027:
1.338 schwarze 2028: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 2029: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2030: term_word(p, ";");
1.256 schwarze 2031: term_flushln(p);
1.222 kristaps 2032: }
1.1 kristaps 2033: }
2034:
2035: static int
2036: termp_bf_pre(DECL_ARGS)
2037: {
2038:
1.314 schwarze 2039: if (n->type == ROFFT_HEAD)
1.328 schwarze 2040: return 0;
1.314 schwarze 2041: else if (n->type != ROFFT_BODY)
1.328 schwarze 2042: return 1;
1.1 kristaps 2043:
1.264 schwarze 2044: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2045: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2046: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2047: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2048: else
1.102 kristaps 2049: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2050:
1.328 schwarze 2051: return 1;
1.1 kristaps 2052: }
2053:
2054: static int
2055: termp_sm_pre(DECL_ARGS)
2056: {
2057:
1.269 schwarze 2058: if (NULL == n->child)
2059: p->flags ^= TERMP_NONOSPACE;
2060: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2061: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2062: else
1.1 kristaps 2063: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2064:
2065: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2066: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2067:
1.328 schwarze 2068: return 0;
1.1 kristaps 2069: }
2070:
2071: static int
2072: termp_ap_pre(DECL_ARGS)
2073: {
2074:
2075: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2076: term_word(p, "'");
1.1 kristaps 2077: p->flags |= TERMP_NOSPACE;
1.328 schwarze 2078: return 1;
1.1 kristaps 2079: }
2080:
2081: static void
2082: termp____post(DECL_ARGS)
2083: {
1.184 kristaps 2084:
2085: /*
2086: * Handle lists of authors. In general, print each followed by
2087: * a comma. Don't print the comma if there are only two
2088: * authors.
2089: */
2090: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2091: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2092: if (NULL == n->prev || MDOC__A != n->prev->tok)
2093: return;
1.1 kristaps 2094:
1.95 kristaps 2095: /* TODO: %U. */
2096:
1.187 kristaps 2097: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2098: return;
2099:
1.222 kristaps 2100: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2101: if (NULL == n->next) {
2102: term_word(p, ".");
2103: p->flags |= TERMP_SENTENCE;
2104: } else
2105: term_word(p, ",");
1.1 kristaps 2106: }
2107:
2108: static int
1.102 kristaps 2109: termp_li_pre(DECL_ARGS)
2110: {
2111:
1.335 schwarze 2112: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 2113: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 2114: return 1;
1.102 kristaps 2115: }
2116:
2117: static int
1.1 kristaps 2118: termp_lk_pre(DECL_ARGS)
2119: {
1.315 schwarze 2120: const struct roff_node *link, *descr;
1.1 kristaps 2121:
1.240 schwarze 2122: if (NULL == (link = n->child))
1.328 schwarze 2123: return 0;
1.181 kristaps 2124:
1.240 schwarze 2125: if (NULL != (descr = link->next)) {
2126: term_fontpush(p, TERMFONT_UNDER);
2127: while (NULL != descr) {
2128: term_word(p, descr->string);
2129: descr = descr->next;
2130: }
2131: p->flags |= TERMP_NOSPACE;
2132: term_word(p, ":");
2133: term_fontpop(p);
2134: }
1.1 kristaps 2135:
1.102 kristaps 2136: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2137: term_word(p, link->string);
1.102 kristaps 2138: term_fontpop(p);
1.12 kristaps 2139:
1.328 schwarze 2140: return 0;
1.1 kristaps 2141: }
2142:
1.159 schwarze 2143: static int
2144: termp_bk_pre(DECL_ARGS)
2145: {
2146:
1.161 schwarze 2147: switch (n->type) {
1.314 schwarze 2148: case ROFFT_BLOCK:
1.166 kristaps 2149: break;
1.314 schwarze 2150: case ROFFT_HEAD:
1.328 schwarze 2151: return 0;
1.314 schwarze 2152: case ROFFT_BODY:
1.331 schwarze 2153: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2154: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2155: break;
1.161 schwarze 2156: default:
2157: abort();
2158: }
1.166 kristaps 2159:
1.328 schwarze 2160: return 1;
1.159 schwarze 2161: }
2162:
2163: static void
2164: termp_bk_post(DECL_ARGS)
2165: {
2166:
1.314 schwarze 2167: if (n->type == ROFFT_BODY)
1.161 schwarze 2168: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2169: }
2170:
2171: static void
2172: termp__t_post(DECL_ARGS)
2173: {
2174:
2175: /*
2176: * If we're in an `Rs' and there's a journal present, then quote
2177: * us instead of underlining us (for disambiguation).
2178: */
1.217 schwarze 2179: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2180: n->parent->norm->Rs.quote_T)
1.245 schwarze 2181: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2182:
1.245 schwarze 2183: termp____post(p, pair, meta, n);
1.203 kristaps 2184: }
2185:
2186: static int
2187: termp__t_pre(DECL_ARGS)
2188: {
2189:
2190: /*
2191: * If we're in an `Rs' and there's a journal present, then quote
2192: * us instead of underlining us (for disambiguation).
2193: */
2194: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2195: n->parent->norm->Rs.quote_T)
1.328 schwarze 2196: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2197:
2198: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2199: return 1;
1.159 schwarze 2200: }
1.1 kristaps 2201:
2202: static int
1.69 kristaps 2203: termp_under_pre(DECL_ARGS)
1.1 kristaps 2204: {
2205:
1.102 kristaps 2206: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2207: return 1;
2208: }
2209:
2210: static int
2211: termp_em_pre(DECL_ARGS)
2212: {
2213: if (n->child != NULL &&
2214: n->child->type == ROFFT_TEXT)
2215: tag_put(n->child->string, 0, p->line);
2216: term_fontpush(p, TERMFONT_UNDER);
2217: return 1;
2218: }
2219:
2220: static int
2221: termp_sy_pre(DECL_ARGS)
2222: {
2223: if (n->child != NULL &&
2224: n->child->type == ROFFT_TEXT)
2225: tag_put(n->child->string, 0, p->line);
2226: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2227: return 1;
1.323 schwarze 2228: }
2229:
2230: static int
2231: termp_er_pre(DECL_ARGS)
2232: {
2233:
2234: if (n->sec == SEC_ERRORS &&
2235: (n->parent->tok == MDOC_It ||
2236: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2237: n->parent->parent->parent->tok == MDOC_It)))
2238: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2239: return 1;
1.320 schwarze 2240: }
2241:
2242: static int
2243: termp_tag_pre(DECL_ARGS)
2244: {
2245:
2246: if (n->child != NULL &&
2247: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2248: (n->prev == NULL ||
2249: (n->prev->type == ROFFT_TEXT &&
2250: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2251: (n->parent->tok == MDOC_It ||
2252: (n->parent->tok == MDOC_Xo &&
2253: n->parent->parent->prev == NULL &&
1.324 schwarze 2254: n->parent->parent->parent->tok == MDOC_It)))
2255: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2256: return 1;
1.84 kristaps 2257: }
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