Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.251
1.251 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.250 2017/05/04 17:48:24 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.238 schwarze 4: * Copyright (c) 2010, 2012-2017 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);
1.238 schwarze 81: static void termp_xx_post(DECL_ARGS);
1.29 schwarze 82:
1.104 schwarze 83: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 84: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.233 schwarze 95: static int termp_em_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_sh_pre(DECL_ARGS);
1.193 schwarze 115: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 117: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 119: static int termp_sy_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);
1.69 schwarze 122: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 123: static int termp_xr_pre(DECL_ARGS);
124: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 125:
1.249 schwarze 126: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.73 schwarze 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 141: { termp_an_pre, NULL }, /* An */
1.249 schwarze 142: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 143: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 144: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 145: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 146: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 147: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 148: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 149: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 150: { termp_fa_pre, NULL }, /* Fa */
151: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 152: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 153: { termp_fn_pre, NULL }, /* Fn */
154: { termp_ft_pre, NULL }, /* Ft */
155: { termp_bold_pre, NULL }, /* Ic */
156: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 157: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 158: { termp_nd_pre, NULL }, /* Nd */
159: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 160: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 161: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 162: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 163: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 164: { NULL, NULL }, /* St */
1.54 schwarze 165: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 166: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 167: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 168: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 169: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 170: { NULL, termp____post }, /* %D */
1.58 schwarze 171: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 172: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 173: { NULL, termp____post }, /* %N */
174: { NULL, termp____post }, /* %O */
175: { NULL, termp____post }, /* %P */
176: { NULL, termp____post }, /* %R */
1.120 schwarze 177: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 178: { NULL, termp____post }, /* %V */
179: { NULL, NULL }, /* Ac */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Ao */
181: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 182: { NULL, NULL }, /* At */
1.1 kristaps 183: { NULL, NULL }, /* Bc */
1.166 schwarze 184: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 185: { termp_quote_pre, termp_quote_post }, /* Bo */
186: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 187: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 188: { NULL, NULL }, /* Bx */
1.193 schwarze 189: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 190: { NULL, NULL }, /* Dc */
1.107 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Do */
192: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 193: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 194: { NULL, NULL }, /* Ef */
1.233 schwarze 195: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 196: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 197: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 198: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 199: { termp_li_pre, NULL }, /* No */
1.1 kristaps 200: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 201: { termp_xx_pre, termp_xx_post }, /* Nx */
202: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 203: { NULL, NULL }, /* Pc */
1.156 schwarze 204: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 205: { termp_quote_pre, termp_quote_post }, /* Po */
206: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 207: { NULL, NULL }, /* Qc */
1.107 schwarze 208: { termp_quote_pre, termp_quote_post }, /* Ql */
209: { termp_quote_pre, termp_quote_post }, /* Qo */
210: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 211: { NULL, NULL }, /* Re */
212: { termp_rs_pre, NULL }, /* Rs */
213: { NULL, NULL }, /* Sc */
1.107 schwarze 214: { termp_quote_pre, termp_quote_post }, /* So */
215: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 216: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 217: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 218: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 219: { NULL, NULL }, /* Tn */
1.238 schwarze 220: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 221: { NULL, NULL }, /* Xc */
222: { NULL, NULL }, /* Xo */
1.166 schwarze 223: { termp_fo_pre, termp_fo_post }, /* Fo */
224: { NULL, NULL }, /* Fc */
1.107 schwarze 225: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 226: { NULL, NULL }, /* Oc */
1.90 schwarze 227: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 228: { NULL, NULL }, /* Ek */
1.240 schwarze 229: { NULL, NULL }, /* Bt */
1.1 kristaps 230: { NULL, NULL }, /* Hf */
1.170 schwarze 231: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 232: { NULL, NULL }, /* Ud */
1.32 schwarze 233: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 234: { termp_sp_pre, NULL }, /* Lp */
235: { termp_lk_pre, NULL }, /* Lk */
236: { termp_under_pre, NULL }, /* Mt */
237: { termp_quote_pre, termp_quote_post }, /* Brq */
238: { termp_quote_pre, termp_quote_post }, /* Bro */
239: { NULL, NULL }, /* Brc */
240: { NULL, termp____post }, /* %C */
1.193 schwarze 241: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 242: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 243: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 244: { NULL, termp____post }, /* %Q */
245: { termp_sp_pre, NULL }, /* sp */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.162 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
1.249 schwarze 250: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 251:
1.221 schwarze 252: static int fn_prio;
1.1 kristaps 253:
1.249 schwarze 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;
1.241 schwarze 260: size_t save_defindent;
1.61 schwarze 261:
262: p = (struct termp *)arg;
1.71 schwarze 263: p->overstep = 0;
1.180 schwarze 264: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 265: p->tabwidth = term_len(p, 5);
1.55 schwarze 266:
1.218 schwarze 267: n = mdoc->first->child;
1.180 schwarze 268: if (p->synopsisonly) {
269: while (n != NULL) {
270: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
271: if (n->child->next->child != NULL)
272: print_mdoc_nodelist(p, NULL,
1.218 schwarze 273: &mdoc->meta,
274: n->child->next->child);
1.180 schwarze 275: term_newln(p);
276: break;
277: }
278: n = n->next;
279: }
280: } else {
1.241 schwarze 281: save_defindent = p->defindent;
1.180 schwarze 282: if (p->defindent == 0)
283: p->defindent = 5;
1.218 schwarze 284: term_begin(p, print_mdoc_head, print_mdoc_foot,
285: &mdoc->meta);
1.236 schwarze 286: while (n != NULL && n->flags & NODE_NOPRT)
287: n = n->next;
1.180 schwarze 288: if (n != NULL) {
289: if (n->tok != MDOC_Sh)
290: term_vspace(p);
1.218 schwarze 291: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 292: }
293: term_end(p);
1.241 schwarze 294: p->defindent = save_defindent;
1.173 schwarze 295: }
1.1 kristaps 296: }
297:
298: static void
1.65 schwarze 299: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 300: {
301:
1.203 schwarze 302: while (n != NULL) {
303: print_mdoc_node(p, pair, meta, n);
304: n = n->next;
305: }
1.1 kristaps 306: }
307:
308: static void
1.65 schwarze 309: print_mdoc_node(DECL_ARGS)
1.1 kristaps 310: {
1.65 schwarze 311: int chld;
1.1 kristaps 312: struct termpair npair;
1.28 schwarze 313: size_t offset, rmargin;
1.1 kristaps 314:
1.236 schwarze 315: if (n->flags & NODE_NOPRT)
316: return;
317:
1.54 schwarze 318: chld = 1;
1.28 schwarze 319: offset = p->offset;
320: rmargin = p->rmargin;
1.237 schwarze 321: n->flags &= ~NODE_ENDED;
1.204 schwarze 322: n->prev_font = p->fonti;
1.1 kristaps 323:
1.63 schwarze 324: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 325: npair.ppair = pair;
1.65 schwarze 326:
1.95 schwarze 327: /*
328: * Keeps only work until the end of a line. If a keep was
329: * invoked in a prior line, revert it to PREKEEP.
330: */
331:
1.237 schwarze 332: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 333: p->flags &= ~TERMP_KEEP;
334: p->flags |= TERMP_PREKEEP;
1.95 schwarze 335: }
1.116 schwarze 336:
337: /*
1.128 schwarze 338: * After the keep flags have been set up, we may now
339: * produce output. Note that some pre-handlers do so.
340: */
341:
342: switch (n->type) {
1.213 schwarze 343: case ROFFT_TEXT:
1.237 schwarze 344: if (' ' == *n->string && NODE_LINE & n->flags)
1.128 schwarze 345: term_newln(p);
1.237 schwarze 346: if (NODE_DELIMC & n->flags)
1.132 schwarze 347: p->flags |= TERMP_NOSPACE;
1.128 schwarze 348: term_word(p, n->string);
1.237 schwarze 349: if (NODE_DELIMO & n->flags)
1.132 schwarze 350: p->flags |= TERMP_NOSPACE;
1.128 schwarze 351: break;
1.213 schwarze 352: case ROFFT_EQN:
1.237 schwarze 353: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 354: p->flags |= TERMP_NOSPACE;
1.135 schwarze 355: term_eqn(p, n->eqn);
1.237 schwarze 356: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 357: p->flags |= TERMP_NOSPACE;
1.131 schwarze 358: break;
1.213 schwarze 359: case ROFFT_TBL:
1.212 schwarze 360: if (p->tbl.cols == NULL)
361: term_newln(p);
1.128 schwarze 362: term_tbl(p, n->span);
363: break;
364: default:
1.250 schwarze 365: if (n->tok < ROFF_MAX) {
1.251 ! schwarze 366: roff_term_pre(p, n);
1.250 schwarze 367: break;
368: }
369: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 370: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 371: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 372: chld = (*termacts[n->tok].pre)
1.147 schwarze 373: (p, &npair, meta, n);
1.128 schwarze 374: break;
375: }
1.95 schwarze 376:
1.60 schwarze 377: if (chld && n->child)
1.147 schwarze 378: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 379:
1.146 schwarze 380: term_fontpopq(p,
1.209 schwarze 381: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 382:
1.122 schwarze 383: switch (n->type) {
1.213 schwarze 384: case ROFFT_TEXT:
1.122 schwarze 385: break;
1.213 schwarze 386: case ROFFT_TBL:
1.131 schwarze 387: break;
1.213 schwarze 388: case ROFFT_EQN:
1.122 schwarze 389: break;
390: default:
1.250 schwarze 391: if (n->tok < ROFF_MAX ||
392: termacts[n->tok].post == NULL ||
393: n->flags & NODE_ENDED)
1.122 schwarze 394: break;
1.147 schwarze 395: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 396:
397: /*
398: * Explicit end tokens not only call the post
399: * handler, but also tell the respective block
400: * that it must not call the post handler again.
401: */
1.95 schwarze 402: if (ENDBODY_NOT != n->end)
1.237 schwarze 403: n->body->flags |= NODE_ENDED;
1.122 schwarze 404: break;
1.93 schwarze 405: }
1.28 schwarze 406:
1.237 schwarze 407: if (NODE_EOS & n->flags)
1.78 schwarze 408: p->flags |= TERMP_SENTENCE;
409:
1.162 schwarze 410: if (MDOC_ll != n->tok) {
411: p->offset = offset;
412: p->rmargin = rmargin;
413: }
1.1 kristaps 414: }
415:
416: static void
1.215 schwarze 417: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 418: {
1.191 schwarze 419: size_t sz;
1.87 schwarze 420:
1.65 schwarze 421: term_fontrepl(p, TERMFONT_NONE);
422:
1.166 schwarze 423: /*
1.7 schwarze 424: * Output the footer in new-groff style, that is, three columns
425: * with the middle being the manual date and flanking columns
426: * being the operating system:
427: *
428: * SYSTEM DATE SYSTEM
429: */
430:
1.1 kristaps 431: term_vspace(p);
432:
1.7 schwarze 433: p->offset = 0;
1.191 schwarze 434: sz = term_strlen(p, meta->date);
435: p->rmargin = p->maxrmargin > sz ?
436: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 437: p->trailspace = 1;
1.1 kristaps 438: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
439:
1.147 schwarze 440: term_word(p, meta->os);
1.1 kristaps 441: term_flushln(p);
442:
1.7 schwarze 443: p->offset = p->rmargin;
1.191 schwarze 444: sz = term_strlen(p, meta->os);
445: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 446: p->flags |= TERMP_NOSPACE;
1.7 schwarze 447:
1.147 schwarze 448: term_word(p, meta->date);
1.7 schwarze 449: term_flushln(p);
450:
1.1 kristaps 451: p->offset = p->rmargin;
452: p->rmargin = p->maxrmargin;
1.152 schwarze 453: p->trailspace = 0;
1.1 kristaps 454: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 455: p->flags |= TERMP_NOSPACE;
1.1 kristaps 456:
1.147 schwarze 457: term_word(p, meta->os);
1.1 kristaps 458: term_flushln(p);
1.7 schwarze 459:
460: p->offset = 0;
461: p->rmargin = p->maxrmargin;
462: p->flags = 0;
1.1 kristaps 463: }
464:
465: static void
1.215 schwarze 466: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 467: {
1.169 schwarze 468: char *volume, *title;
469: size_t vollen, titlen;
1.1 kristaps 470:
471: /*
472: * The header is strange. It has three components, which are
473: * really two with the first duplicated. It goes like this:
474: *
475: * IDENTIFIER TITLE IDENTIFIER
476: *
477: * The IDENTIFIER is NAME(SECTION), which is the command-name
478: * (if given, or "unknown" if not) followed by the manual page
479: * section. These are given in `Dt'. The TITLE is a free-form
480: * string depending on the manual volume. If not specified, it
481: * switches on the manual section.
482: */
1.137 schwarze 483:
1.147 schwarze 484: assert(meta->vol);
1.169 schwarze 485: if (NULL == meta->arch)
486: volume = mandoc_strdup(meta->vol);
487: else
488: mandoc_asprintf(&volume, "%s (%s)",
489: meta->vol, meta->arch);
490: vollen = term_strlen(p, volume);
1.1 kristaps 491:
1.177 schwarze 492: if (NULL == meta->msec)
493: title = mandoc_strdup(meta->title);
494: else
495: mandoc_asprintf(&title, "%s(%s)",
496: meta->title, meta->msec);
1.137 schwarze 497: titlen = term_strlen(p, title);
1.1 kristaps 498:
1.137 schwarze 499: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 500: p->trailspace = 1;
1.1 kristaps 501: p->offset = 0;
1.169 schwarze 502: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
503: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 504: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 505:
506: term_word(p, title);
507: term_flushln(p);
508:
1.137 schwarze 509: p->flags |= TERMP_NOSPACE;
1.1 kristaps 510: p->offset = p->rmargin;
1.169 schwarze 511: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 512: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 513:
1.169 schwarze 514: term_word(p, volume);
1.1 kristaps 515: term_flushln(p);
516:
517: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 518: p->trailspace = 0;
1.137 schwarze 519: if (p->rmargin + titlen <= p->maxrmargin) {
520: p->flags |= TERMP_NOSPACE;
521: p->offset = p->rmargin;
522: p->rmargin = p->maxrmargin;
523: term_word(p, title);
524: term_flushln(p);
525: }
1.1 kristaps 526:
1.137 schwarze 527: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 528: p->offset = 0;
1.1 kristaps 529: p->rmargin = p->maxrmargin;
1.168 schwarze 530: free(title);
1.169 schwarze 531: free(volume);
1.1 kristaps 532: }
533:
1.201 schwarze 534: static int
1.89 schwarze 535: a2width(const struct termp *p, const char *v)
1.61 schwarze 536: {
537: struct roffsu su;
1.1 kristaps 538:
1.199 schwarze 539: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 540: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 541: su.scale /= term_strlen(p, "0");
1.201 schwarze 542: }
1.227 schwarze 543: return term_hspan(p, &su) / 24;
1.1 kristaps 544: }
545:
1.68 schwarze 546: /*
547: * Determine how much space to print out before block elements of `It'
548: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
549: * too.
550: */
1.45 schwarze 551: static void
1.166 schwarze 552: print_bvspace(struct termp *p,
1.214 schwarze 553: const struct roff_node *bl,
554: const struct roff_node *n)
1.1 kristaps 555: {
1.214 schwarze 556: const struct roff_node *nn;
1.138 schwarze 557:
558: assert(n);
1.1 kristaps 559:
560: term_newln(p);
1.88 schwarze 561:
1.121 schwarze 562: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 563: return;
1.121 schwarze 564: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 565: return;
566:
1.60 schwarze 567: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 568:
1.188 schwarze 569: nn = n;
1.236 schwarze 570: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
571: nn = nn->prev;
1.188 schwarze 572: while (nn->prev == NULL) {
573: do {
574: nn = nn->parent;
1.213 schwarze 575: if (nn->type == ROFFT_ROOT)
1.188 schwarze 576: return;
1.213 schwarze 577: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 578: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 579: return;
1.188 schwarze 580: if (nn->tok == MDOC_It &&
581: nn->parent->parent->norm->Bl.type != LIST_item)
582: break;
1.1 kristaps 583: }
584:
1.60 schwarze 585: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 586:
1.121 schwarze 587: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 588: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 589: return;
590:
1.60 schwarze 591: /* A `-diag' without body does not vspace. */
592:
1.121 schwarze 593: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 594: if (n->prev && MDOC_It == n->prev->tok) {
595: assert(n->prev->body);
596: if (NULL == n->prev->body->child)
1.45 schwarze 597: return;
598: }
599:
600: term_vspace(p);
1.162 schwarze 601: }
602:
603:
604: static int
605: termp_ll_pre(DECL_ARGS)
606: {
607:
1.230 schwarze 608: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 schwarze 609: return 0;
1.1 kristaps 610: }
611:
612: static int
613: termp_it_pre(DECL_ARGS)
614: {
1.244 schwarze 615: struct roffsu su;
1.201 schwarze 616: char buf[24];
1.214 schwarze 617: const struct roff_node *bl, *nn;
1.201 schwarze 618: size_t ncols, dcol;
619: int i, offset, width;
1.82 schwarze 620: enum mdoc_list type;
1.1 kristaps 621:
1.213 schwarze 622: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 623: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 624: return 1;
1.45 schwarze 625: }
1.1 kristaps 626:
1.60 schwarze 627: bl = n->parent->parent->parent;
1.121 schwarze 628: type = bl->norm->Bl.type;
1.1 kristaps 629:
1.166 schwarze 630: /*
1.201 schwarze 631: * Defaults for specific list types.
632: */
633:
634: switch (type) {
635: case LIST_bullet:
636: case LIST_dash:
637: case LIST_hyphen:
638: case LIST_enum:
639: width = term_len(p, 2);
640: break;
641: case LIST_hang:
1.231 schwarze 642: case LIST_tag:
1.201 schwarze 643: width = term_len(p, 8);
644: break;
645: case LIST_column:
646: width = term_len(p, 10);
647: break;
648: default:
649: width = 0;
650: break;
651: }
652: offset = 0;
653:
654: /*
1.68 schwarze 655: * First calculate width and offset. This is pretty easy unless
656: * we're a -column list, in which case all prior columns must
657: * be accounted for.
658: */
659:
1.201 schwarze 660: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 661: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 662: if (offset < 0 && (size_t)(-offset) > p->offset)
663: offset = -p->offset;
664: else if (offset > SHRT_MAX)
665: offset = 0;
666: }
1.66 schwarze 667:
1.1 kristaps 668: switch (type) {
1.166 schwarze 669: case LIST_column:
1.213 schwarze 670: if (n->type == ROFFT_HEAD)
1.1 kristaps 671: break;
1.88 schwarze 672:
1.66 schwarze 673: /*
1.68 schwarze 674: * Imitate groff's column handling:
675: * - For each earlier column, add its width.
676: * - For less than 5 columns, add four more blanks per
677: * column.
678: * - For exactly 5 columns, add three more blank per
679: * column.
680: * - For more than 5 columns, add only one column.
1.66 schwarze 681: */
1.121 schwarze 682: ncols = bl->norm->Bl.ncols;
1.166 schwarze 683: dcol = ncols < 5 ? term_len(p, 4) :
684: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 685:
1.85 schwarze 686: /*
1.213 schwarze 687: * Calculate the offset by applying all prior ROFFT_BODY,
688: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 689: */
690:
1.166 schwarze 691: for (i = 0, nn = n->prev;
692: nn->prev && i < (int)ncols;
1.244 schwarze 693: nn = nn->prev, i++) {
694: SCALE_HS_INIT(&su,
695: term_strlen(p, bl->norm->Bl.cols[i]));
696: su.scale /= term_strlen(p, "0");
697: offset += term_hspan(p, &su) / 24 + dcol;
698: }
1.66 schwarze 699:
700: /*
1.68 schwarze 701: * When exceeding the declared number of columns, leave
702: * the remaining widths at 0. This will later be
703: * adjusted to the default width of 10, or, for the last
704: * column, stretched to the right margin.
1.46 schwarze 705: */
1.68 schwarze 706: if (i >= (int)ncols)
707: break;
1.46 schwarze 708:
1.66 schwarze 709: /*
1.68 schwarze 710: * Use the declared column widths, extended as explained
711: * in the preceding paragraph.
1.66 schwarze 712: */
1.244 schwarze 713: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
714: su.scale /= term_strlen(p, "0");
715: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 716: break;
717: default:
1.121 schwarze 718: if (NULL == bl->norm->Bl.width)
1.68 schwarze 719: break;
720:
1.166 schwarze 721: /*
1.68 schwarze 722: * Note: buffer the width by 2, which is groff's magic
723: * number for buffering single arguments. See the above
724: * handling for column for how this changes.
725: */
1.121 schwarze 726: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 727: if (width < 0 && (size_t)(-width) > p->offset)
728: width = -p->offset;
729: else if (width > SHRT_MAX)
730: width = 0;
1.1 kristaps 731: break;
732: }
733:
1.166 schwarze 734: /*
1.16 schwarze 735: * Whitespace control. Inset bodies need an initial space,
736: * while diagonal bodies need two.
1.1 kristaps 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_BODY)
1.48 schwarze 744: term_word(p, "\\ \\ ");
1.42 schwarze 745: break;
1.166 schwarze 746: case LIST_inset:
1.230 schwarze 747: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 748: term_word(p, "\\ ");
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
1.42 schwarze 754: p->flags |= TERMP_NOSPACE;
755:
1.1 kristaps 756: switch (type) {
1.166 schwarze 757: case LIST_diag:
1.213 schwarze 758: if (n->type == ROFFT_HEAD)
1.65 schwarze 759: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 760: break;
761: default:
762: break;
763: }
764:
765: /*
1.68 schwarze 766: * Pad and break control. This is the tricky part. These flags
767: * are documented in term_flushln() in term.c. Note that we're
768: * going to unset all of these flags in termp_it_post() when we
769: * exit.
1.1 kristaps 770: */
771:
772: switch (type) {
1.166 schwarze 773: case LIST_enum:
1.228 schwarze 774: case LIST_bullet:
775: case LIST_dash:
776: case LIST_hyphen:
1.144 schwarze 777: /*
778: * Weird special case.
1.201 schwarze 779: * Some very narrow lists actually hang.
1.144 schwarze 780: */
1.201 schwarze 781: if (width <= (int)term_len(p, 2))
782: p->flags |= TERMP_HANG;
1.213 schwarze 783: if (n->type != ROFFT_HEAD)
1.152 schwarze 784: break;
785: p->flags |= TERMP_NOBREAK;
786: p->trailspace = 1;
1.33 schwarze 787: break;
1.166 schwarze 788: case LIST_hang:
1.213 schwarze 789: if (n->type != ROFFT_HEAD)
1.47 schwarze 790: break;
791:
792: /*
793: * This is ugly. If `-hang' is specified and the body
794: * is a `Bl' or `Bd', then we want basically to nullify
795: * the "overstep" effect in term_flushln() and treat
796: * this as a `-ohang' list instead.
797: */
1.178 schwarze 798: if (NULL != n->next &&
799: NULL != n->next->child &&
1.166 schwarze 800: (MDOC_Bl == n->next->child->tok ||
801: MDOC_Bd == n->next->child->tok))
1.152 schwarze 802: break;
803:
1.165 schwarze 804: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 805: p->trailspace = 1;
1.33 schwarze 806: break;
1.166 schwarze 807: case LIST_tag:
1.213 schwarze 808: if (n->type != ROFFT_HEAD)
1.33 schwarze 809: break;
1.152 schwarze 810:
1.225 schwarze 811: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 812: p->trailspace = 2;
813:
1.60 schwarze 814: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 815: p->flags |= TERMP_DANGLE;
1.1 kristaps 816: break;
1.166 schwarze 817: case LIST_column:
1.213 schwarze 818: if (n->type == ROFFT_HEAD)
1.85 schwarze 819: break;
820:
1.152 schwarze 821: if (NULL == n->next) {
1.85 schwarze 822: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 823: p->trailspace = 0;
824: } else {
1.85 schwarze 825: p->flags |= TERMP_NOBREAK;
1.152 schwarze 826: p->trailspace = 1;
827: }
1.85 schwarze 828:
1.1 kristaps 829: break;
1.166 schwarze 830: case LIST_diag:
1.213 schwarze 831: if (n->type != ROFFT_HEAD)
1.152 schwarze 832: break;
1.165 schwarze 833: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 834: p->trailspace = 1;
1.1 kristaps 835: break;
836: default:
837: break;
838: }
839:
1.166 schwarze 840: /*
1.1 kristaps 841: * Margin control. Set-head-width lists have their right
842: * margins shortened. The body for these lists has the offset
843: * necessarily lengthened. Everybody gets the offset.
844: */
845:
846: p->offset += offset;
847:
848: switch (type) {
1.166 schwarze 849: case LIST_hang:
1.47 schwarze 850: /*
851: * Same stipulation as above, regarding `-hang'. We
852: * don't want to recalculate rmargin and offsets when
853: * using `Bd' or `Bl' within `-hang' overstep lists.
854: */
1.213 schwarze 855: if (n->type == ROFFT_HEAD &&
1.178 schwarze 856: NULL != n->next &&
857: NULL != n->next->child &&
1.166 schwarze 858: (MDOC_Bl == n->next->child->tok ||
859: MDOC_Bd == n->next->child->tok))
1.47 schwarze 860: break;
861: /* FALLTHROUGH */
1.166 schwarze 862: case LIST_bullet:
863: case LIST_dash:
864: case LIST_enum:
865: case LIST_hyphen:
866: case LIST_tag:
1.213 schwarze 867: if (n->type == ROFFT_HEAD)
1.1 kristaps 868: p->rmargin = p->offset + width;
1.191 schwarze 869: else
1.1 kristaps 870: p->offset += width;
871: break;
1.166 schwarze 872: case LIST_column:
1.41 schwarze 873: assert(width);
1.1 kristaps 874: p->rmargin = p->offset + width;
1.166 schwarze 875: /*
1.43 schwarze 876: * XXX - this behaviour is not documented: the
877: * right-most column is filled to the right margin.
878: */
1.213 schwarze 879: if (n->type == ROFFT_HEAD)
1.85 schwarze 880: break;
881: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 882: p->rmargin = p->maxrmargin;
1.1 kristaps 883: break;
884: default:
885: break;
886: }
887:
1.166 schwarze 888: /*
1.1 kristaps 889: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 890: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 891: */
892:
1.213 schwarze 893: if (n->type == ROFFT_HEAD)
1.1 kristaps 894: switch (type) {
1.166 schwarze 895: case LIST_bullet:
1.65 schwarze 896: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 897: term_word(p, "\\[bu]");
1.65 schwarze 898: term_fontpop(p);
1.1 kristaps 899: break;
1.166 schwarze 900: case LIST_dash:
901: case LIST_hyphen:
1.65 schwarze 902: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 903: term_word(p, "-");
1.65 schwarze 904: term_fontpop(p);
1.1 kristaps 905: break;
1.166 schwarze 906: case LIST_enum:
1.1 kristaps 907: (pair->ppair->ppair->count)++;
1.167 schwarze 908: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 909: pair->ppair->ppair->count);
1.1 kristaps 910: term_word(p, buf);
911: break;
912: default:
913: break;
914: }
1.12 schwarze 915:
1.166 schwarze 916: /*
1.1 kristaps 917: * If we're not going to process our children, indicate so here.
918: */
919:
920: switch (type) {
1.166 schwarze 921: case LIST_bullet:
922: case LIST_item:
923: case LIST_dash:
924: case LIST_hyphen:
925: case LIST_enum:
1.213 schwarze 926: if (n->type == ROFFT_HEAD)
1.227 schwarze 927: return 0;
1.1 kristaps 928: break;
1.166 schwarze 929: case LIST_column:
1.213 schwarze 930: if (n->type == ROFFT_HEAD)
1.227 schwarze 931: return 0;
1.1 kristaps 932: break;
933: default:
934: break;
935: }
936:
1.227 schwarze 937: return 1;
1.1 kristaps 938: }
939:
940: static void
941: termp_it_post(DECL_ARGS)
942: {
1.82 schwarze 943: enum mdoc_list type;
1.1 kristaps 944:
1.213 schwarze 945: if (n->type == ROFFT_BLOCK)
1.1 kristaps 946: return;
947:
1.121 schwarze 948: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 949:
950: switch (type) {
1.166 schwarze 951: case LIST_item:
952: case LIST_diag:
953: case LIST_inset:
1.213 schwarze 954: if (n->type == ROFFT_BODY)
1.74 schwarze 955: term_newln(p);
1.1 kristaps 956: break;
1.166 schwarze 957: case LIST_column:
1.213 schwarze 958: if (n->type == ROFFT_BODY)
1.1 kristaps 959: term_flushln(p);
960: break;
961: default:
1.74 schwarze 962: term_newln(p);
1.1 kristaps 963: break;
964: }
965:
1.166 schwarze 966: /*
1.68 schwarze 967: * Now that our output is flushed, we can reset our tags. Since
968: * only `It' sets these flags, we're free to assume that nobody
969: * has munged them in the meanwhile.
970: */
971:
1.225 schwarze 972: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 973: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 974: p->trailspace = 0;
1.1 kristaps 975: }
976:
977: static int
978: termp_nm_pre(DECL_ARGS)
979: {
1.195 schwarze 980: const char *cp;
1.1 kristaps 981:
1.213 schwarze 982: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 983: p->flags |= TERMP_PREKEEP;
1.227 schwarze 984: return 1;
1.155 schwarze 985: }
1.94 schwarze 986:
1.213 schwarze 987: if (n->type == ROFFT_BODY) {
1.94 schwarze 988: if (NULL == n->child)
1.227 schwarze 989: return 0;
1.136 schwarze 990: p->flags |= TERMP_NOSPACE;
1.195 schwarze 991: cp = NULL;
992: if (n->prev->child != NULL)
993: cp = n->prev->child->string;
994: if (cp == NULL)
995: cp = meta->name;
996: if (cp == NULL)
997: p->offset += term_len(p, 6);
998: else
999: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 1000: return 1;
1.94 schwarze 1001: }
1002:
1.242 schwarze 1003: if (n->child == NULL)
1.227 schwarze 1004: return 0;
1.81 schwarze 1005:
1.213 schwarze 1006: if (n->type == ROFFT_HEAD)
1.97 schwarze 1007: synopsis_pre(p, n->parent);
1.65 schwarze 1008:
1.213 schwarze 1009: if (n->type == ROFFT_HEAD &&
1.178 schwarze 1010: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1011: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1012: p->trailspace = 1;
1.105 schwarze 1013: p->rmargin = p->offset + term_len(p, 1);
1014: if (NULL == n->child) {
1.147 schwarze 1015: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1016: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1017: p->rmargin += term_strlen(p, n->child->string);
1018: if (n->child->next)
1019: p->flags |= TERMP_HANG;
1020: } else {
1021: p->rmargin += term_len(p, 5);
1022: p->flags |= TERMP_HANG;
1023: }
1.94 schwarze 1024: }
1025:
1.65 schwarze 1026: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1027: return 1;
1.1 kristaps 1028: }
1029:
1.94 schwarze 1030: static void
1031: termp_nm_post(DECL_ARGS)
1032: {
1033:
1.213 schwarze 1034: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1035: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1036: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1037: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1038: term_flushln(p);
1.165 schwarze 1039: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1040: p->trailspace = 0;
1.213 schwarze 1041: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1042: term_flushln(p);
1043: }
1044:
1.1 kristaps 1045: static int
1046: termp_fl_pre(DECL_ARGS)
1047: {
1048:
1.219 schwarze 1049: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1050: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1051: term_word(p, "\\-");
1.67 schwarze 1052:
1.230 schwarze 1053: if (!(n->child == NULL &&
1.179 schwarze 1054: (n->next == NULL ||
1.213 schwarze 1055: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1056: n->next->flags & NODE_LINE)))
1.73 schwarze 1057: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1058:
1.227 schwarze 1059: return 1;
1.49 schwarze 1060: }
1061:
1062: static int
1.104 schwarze 1063: termp__a_pre(DECL_ARGS)
1064: {
1065:
1066: if (n->prev && MDOC__A == n->prev->tok)
1067: if (NULL == n->next || MDOC__A != n->next->tok)
1068: term_word(p, "and");
1069:
1.227 schwarze 1070: return 1;
1.104 schwarze 1071: }
1072:
1073: static int
1.49 schwarze 1074: termp_an_pre(DECL_ARGS)
1075: {
1076:
1.181 schwarze 1077: if (n->norm->An.auth == AUTH_split) {
1078: p->flags &= ~TERMP_NOSPLIT;
1079: p->flags |= TERMP_SPLIT;
1.227 schwarze 1080: return 0;
1.181 schwarze 1081: }
1082: if (n->norm->An.auth == AUTH_nosplit) {
1083: p->flags &= ~TERMP_SPLIT;
1084: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1085: return 0;
1.181 schwarze 1086: }
1.166 schwarze 1087:
1.181 schwarze 1088: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1089: term_newln(p);
1090:
1.181 schwarze 1091: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1092: p->flags |= TERMP_SPLIT;
1.49 schwarze 1093:
1.227 schwarze 1094: return 1;
1.1 kristaps 1095: }
1096:
1097: static int
1098: termp_ns_pre(DECL_ARGS)
1099: {
1100:
1.237 schwarze 1101: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1102: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1103: return 1;
1.1 kristaps 1104: }
1105:
1106: static int
1107: termp_rs_pre(DECL_ARGS)
1108: {
1109:
1.60 schwarze 1110: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1111: return 1;
1.213 schwarze 1112: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1113: term_vspace(p);
1.227 schwarze 1114: return 1;
1.1 kristaps 1115: }
1116:
1117: static int
1118: termp_ex_pre(DECL_ARGS)
1119: {
1.132 schwarze 1120: term_newln(p);
1.240 schwarze 1121: return 1;
1.1 kristaps 1122: }
1123:
1124: static int
1125: termp_nd_pre(DECL_ARGS)
1126: {
1.25 schwarze 1127:
1.213 schwarze 1128: if (n->type == ROFFT_BODY)
1.196 schwarze 1129: term_word(p, "\\(en");
1.227 schwarze 1130: return 1;
1.1 kristaps 1131: }
1132:
1.73 schwarze 1133: static int
1134: termp_bl_pre(DECL_ARGS)
1135: {
1136:
1.227 schwarze 1137: return n->type != ROFFT_HEAD;
1.73 schwarze 1138: }
1139:
1.1 kristaps 1140: static void
1141: termp_bl_post(DECL_ARGS)
1142: {
1143:
1.213 schwarze 1144: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1145: term_newln(p);
1146: }
1147:
1148: static int
1149: termp_xr_pre(DECL_ARGS)
1150: {
1151:
1.132 schwarze 1152: if (NULL == (n = n->child))
1.227 schwarze 1153: return 0;
1.72 schwarze 1154:
1.213 schwarze 1155: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1156: term_word(p, n->string);
1.10 schwarze 1157:
1.166 schwarze 1158: if (NULL == (n = n->next))
1.227 schwarze 1159: return 0;
1.132 schwarze 1160:
1.1 kristaps 1161: p->flags |= TERMP_NOSPACE;
1162: term_word(p, "(");
1.132 schwarze 1163: p->flags |= TERMP_NOSPACE;
1164:
1.213 schwarze 1165: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1166: term_word(p, n->string);
1167:
1168: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1169: term_word(p, ")");
1.60 schwarze 1170:
1.227 schwarze 1171: return 0;
1.1 kristaps 1172: }
1173:
1.86 schwarze 1174: /*
1175: * This decides how to assert whitespace before any of the SYNOPSIS set
1176: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1177: * macro combos).
1178: */
1179: static void
1.214 schwarze 1180: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1181: {
1.166 schwarze 1182: /*
1.86 schwarze 1183: * Obviously, if we're not in a SYNOPSIS or no prior macros
1184: * exist, do nothing.
1185: */
1.237 schwarze 1186: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1187: return;
1188:
1189: /*
1190: * If we're the second in a pair of like elements, emit our
1191: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1192: * case we soldier on.
1193: */
1.166 schwarze 1194: if (n->prev->tok == n->tok &&
1195: MDOC_Ft != n->tok &&
1196: MDOC_Fo != n->tok &&
1197: MDOC_Fn != n->tok) {
1.86 schwarze 1198: term_newln(p);
1199: return;
1200: }
1201:
1202: /*
1203: * If we're one of the SYNOPSIS set and non-like pair-wise after
1204: * another (or Fn/Fo, which we've let slip through) then assert
1205: * vertical space, else only newline and move on.
1206: */
1207: switch (n->prev->tok) {
1.166 schwarze 1208: case MDOC_Fd:
1209: case MDOC_Fn:
1210: case MDOC_Fo:
1211: case MDOC_In:
1212: case MDOC_Vt:
1.86 schwarze 1213: term_vspace(p);
1214: break;
1.166 schwarze 1215: case MDOC_Ft:
1.86 schwarze 1216: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1217: term_vspace(p);
1218: break;
1219: }
1220: /* FALLTHROUGH */
1221: default:
1222: term_newln(p);
1223: break;
1224: }
1225: }
1226:
1.69 schwarze 1227: static int
1228: termp_vt_pre(DECL_ARGS)
1229: {
1230:
1.213 schwarze 1231: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1232: synopsis_pre(p, n);
1.227 schwarze 1233: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1234: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1235: synopsis_pre(p, n);
1.227 schwarze 1236: return 1;
1.213 schwarze 1237: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1238: return 0;
1.69 schwarze 1239:
1.227 schwarze 1240: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1241: }
1242:
1.1 kristaps 1243: static int
1.54 schwarze 1244: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1245: {
1246:
1.219 schwarze 1247: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1248: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1249: return 1;
1.1 kristaps 1250: }
1251:
1.86 schwarze 1252: static int
1253: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1254: {
1255:
1.86 schwarze 1256: synopsis_pre(p, n);
1.227 schwarze 1257: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1258: }
1259:
1.143 schwarze 1260: static void
1261: termp_fd_post(DECL_ARGS)
1262: {
1263:
1264: term_newln(p);
1265: }
1266:
1.1 kristaps 1267: static int
1268: termp_sh_pre(DECL_ARGS)
1269: {
1.60 schwarze 1270:
1271: switch (n->type) {
1.213 schwarze 1272: case ROFFT_BLOCK:
1.192 schwarze 1273: /*
1274: * Vertical space before sections, except
1275: * when the previous section was empty.
1276: */
1277: if (n->prev == NULL ||
1.221 schwarze 1278: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1279: (n->prev->body != NULL &&
1280: n->prev->body->child != NULL))
1281: term_vspace(p);
1.52 schwarze 1282: break;
1.213 schwarze 1283: case ROFFT_HEAD:
1.65 schwarze 1284: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1285: break;
1.213 schwarze 1286: case ROFFT_BODY:
1.140 schwarze 1287: p->offset = term_len(p, p->defindent);
1.221 schwarze 1288: switch (n->sec) {
1289: case SEC_DESCRIPTION:
1290: fn_prio = 0;
1291: break;
1292: case SEC_AUTHORS:
1.141 schwarze 1293: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1294: break;
1295: default:
1296: break;
1297: }
1.1 kristaps 1298: break;
1299: default:
1300: break;
1301: }
1.227 schwarze 1302: return 1;
1.1 kristaps 1303: }
1304:
1305: static void
1306: termp_sh_post(DECL_ARGS)
1307: {
1308:
1.60 schwarze 1309: switch (n->type) {
1.213 schwarze 1310: case ROFFT_HEAD:
1.1 kristaps 1311: term_newln(p);
1312: break;
1.213 schwarze 1313: case ROFFT_BODY:
1.1 kristaps 1314: term_newln(p);
1315: p->offset = 0;
1316: break;
1317: default:
1318: break;
1319: }
1320: }
1321:
1322: static void
1323: termp_lb_post(DECL_ARGS)
1324: {
1325:
1.237 schwarze 1326: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1327: term_newln(p);
1.1 kristaps 1328: }
1329:
1330: static int
1331: termp_d1_pre(DECL_ARGS)
1332: {
1333:
1.213 schwarze 1334: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1335: return 1;
1.1 kristaps 1336: term_newln(p);
1.140 schwarze 1337: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1338: return 1;
1.1 kristaps 1339: }
1340:
1341: static int
1342: termp_ft_pre(DECL_ARGS)
1343: {
1344:
1.237 schwarze 1345: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1346: synopsis_pre(p, n);
1.65 schwarze 1347: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1348: return 1;
1.1 kristaps 1349: }
1350:
1351: static int
1352: termp_fn_pre(DECL_ARGS)
1353: {
1.159 schwarze 1354: size_t rmargin = 0;
1.132 schwarze 1355: int pretty;
1356:
1.237 schwarze 1357: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1358:
1.86 schwarze 1359: synopsis_pre(p, n);
1.85 schwarze 1360:
1.132 schwarze 1361: if (NULL == (n = n->child))
1.227 schwarze 1362: return 0;
1.132 schwarze 1363:
1.153 schwarze 1364: if (pretty) {
1365: rmargin = p->rmargin;
1.159 schwarze 1366: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1367: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1368: }
1369:
1.213 schwarze 1370: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1371: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1372: term_word(p, n->string);
1.65 schwarze 1373: term_fontpop(p);
1.1 kristaps 1374:
1.235 schwarze 1375: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1376: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1377:
1.153 schwarze 1378: if (pretty) {
1379: term_flushln(p);
1.165 schwarze 1380: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1381: p->offset = p->rmargin;
1382: p->rmargin = rmargin;
1383: }
1384:
1.1 kristaps 1385: p->flags |= TERMP_NOSPACE;
1386: term_word(p, "(");
1.132 schwarze 1387: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1388:
1.132 schwarze 1389: for (n = n->next; n; n = n->next) {
1.213 schwarze 1390: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1391: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1392: if (pretty)
1393: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1394: term_word(p, n->string);
1.65 schwarze 1395: term_fontpop(p);
1396:
1.132 schwarze 1397: if (n->next) {
1398: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1399: term_word(p, ",");
1.132 schwarze 1400: }
1.1 kristaps 1401: }
1402:
1.132 schwarze 1403: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1404: term_word(p, ")");
1405:
1.132 schwarze 1406: if (pretty) {
1407: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1408: term_word(p, ";");
1.153 schwarze 1409: term_flushln(p);
1.132 schwarze 1410: }
1.1 kristaps 1411:
1.227 schwarze 1412: return 0;
1.1 kristaps 1413: }
1414:
1415: static int
1416: termp_fa_pre(DECL_ARGS)
1417: {
1.214 schwarze 1418: const struct roff_node *nn;
1.1 kristaps 1419:
1.60 schwarze 1420: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1421: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1422: return 1;
1.1 kristaps 1423: }
1424:
1.60 schwarze 1425: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1426: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1427: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1428: term_word(p, nn->string);
1.65 schwarze 1429: term_fontpop(p);
1430:
1.158 schwarze 1431: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1432: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1433: term_word(p, ",");
1.132 schwarze 1434: }
1.1 kristaps 1435: }
1436:
1.227 schwarze 1437: return 0;
1.1 kristaps 1438: }
1439:
1440: static int
1441: termp_bd_pre(DECL_ARGS)
1442: {
1.174 schwarze 1443: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1444: struct roff_node *nn;
1.201 schwarze 1445: int offset;
1.1 kristaps 1446:
1.213 schwarze 1447: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1448: print_bvspace(p, n, n);
1.227 schwarze 1449: return 1;
1.213 schwarze 1450: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1451: return 0;
1.1 kristaps 1452:
1.187 schwarze 1453: /* Handle the -offset argument. */
1454:
1455: if (n->norm->Bd.offs == NULL ||
1456: ! strcmp(n->norm->Bd.offs, "left"))
1457: /* nothing */;
1458: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1459: p->offset += term_len(p, p->defindent + 1);
1460: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1461: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1462: else {
1463: offset = a2width(p, n->norm->Bd.offs);
1464: if (offset < 0 && (size_t)(-offset) > p->offset)
1465: p->offset = 0;
1466: else if (offset < SHRT_MAX)
1467: p->offset += offset;
1468: }
1.60 schwarze 1469:
1470: /*
1471: * If -ragged or -filled are specified, the block does nothing
1472: * but change the indentation. If -unfilled or -literal are
1473: * specified, text is printed exactly as entered in the display:
1474: * for macro lines, a newline is appended to the line. Blank
1475: * lines are allowed.
1476: */
1.166 schwarze 1477:
1478: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1479: DISP_unfilled != n->norm->Bd.type &&
1480: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1481: return 1;
1.1 kristaps 1482:
1.75 schwarze 1483: tabwidth = p->tabwidth;
1.123 schwarze 1484: if (DISP_literal == n->norm->Bd.type)
1485: p->tabwidth = term_len(p, 8);
1486:
1.174 schwarze 1487: lm = p->offset;
1.77 schwarze 1488: rm = p->rmargin;
1489: rmax = p->maxrmargin;
1490: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1491:
1.60 schwarze 1492: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1493: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1494: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1495: len = term_strlen(p, nn->string);
1496: p->offset = len >= rm ? 0 :
1497: lm + len >= rm ? rm - len :
1498: (lm + rm - len) / 2;
1499: } else
1500: p->offset = lm;
1501: }
1.147 schwarze 1502: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1503: /*
1504: * If the printed node flushes its own line, then we
1505: * needn't do it here as well. This is hacky, but the
1506: * notion of selective eoln whitespace is pretty dumb
1507: * anyway, so don't sweat it.
1508: */
1509: switch (nn->tok) {
1.166 schwarze 1510: case MDOC_Sm:
1.250 schwarze 1511: case ROFF_br:
1.166 schwarze 1512: case MDOC_sp:
1513: case MDOC_Bl:
1514: case MDOC_D1:
1515: case MDOC_Dl:
1516: case MDOC_Lp:
1517: case MDOC_Pp:
1.108 schwarze 1518: continue;
1519: default:
1520: break;
1521: }
1.198 schwarze 1522: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1523: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1524: continue;
1525: term_flushln(p);
1.48 schwarze 1526: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1527: }
1.88 schwarze 1528:
1.75 schwarze 1529: p->tabwidth = tabwidth;
1.77 schwarze 1530: p->rmargin = rm;
1531: p->maxrmargin = rmax;
1.227 schwarze 1532: return 0;
1.1 kristaps 1533: }
1534:
1535: static void
1536: termp_bd_post(DECL_ARGS)
1537: {
1.77 schwarze 1538: size_t rm, rmax;
1.1 kristaps 1539:
1.213 schwarze 1540: if (n->type != ROFFT_BODY)
1.1 kristaps 1541: return;
1.77 schwarze 1542:
1543: rm = p->rmargin;
1544: rmax = p->maxrmargin;
1545:
1.166 schwarze 1546: if (DISP_literal == n->norm->Bd.type ||
1547: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1548: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1549:
1.48 schwarze 1550: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1551: term_newln(p);
1.77 schwarze 1552:
1553: p->rmargin = rm;
1554: p->maxrmargin = rmax;
1.1 kristaps 1555: }
1556:
1557: static int
1.26 schwarze 1558: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1559: {
1.238 schwarze 1560: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1561: p->flags |= TERMP_PREKEEP;
1562: return 1;
1563: }
1.1 kristaps 1564:
1.238 schwarze 1565: static void
1566: termp_xx_post(DECL_ARGS)
1567: {
1568: if (n->aux == 0)
1569: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1570: }
1571:
1572: static void
1573: termp_pf_post(DECL_ARGS)
1574: {
1575:
1.237 schwarze 1576: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1577: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1578: }
1579:
1580: static int
1581: termp_ss_pre(DECL_ARGS)
1582: {
1.236 schwarze 1583: struct roff_node *nn;
1.1 kristaps 1584:
1.60 schwarze 1585: switch (n->type) {
1.213 schwarze 1586: case ROFFT_BLOCK:
1.1 kristaps 1587: term_newln(p);
1.236 schwarze 1588: for (nn = n->prev; nn != NULL; nn = nn->prev)
1589: if ((nn->flags & NODE_NOPRT) == 0)
1590: break;
1591: if (nn != NULL)
1.1 kristaps 1592: term_vspace(p);
1593: break;
1.213 schwarze 1594: case ROFFT_HEAD:
1.65 schwarze 1595: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1596: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1597: break;
1.213 schwarze 1598: case ROFFT_BODY:
1.176 schwarze 1599: p->offset = term_len(p, p->defindent);
1600: break;
1.1 kristaps 1601: default:
1602: break;
1603: }
1604:
1.227 schwarze 1605: return 1;
1.1 kristaps 1606: }
1607:
1608: static void
1609: termp_ss_post(DECL_ARGS)
1610: {
1611:
1.213 schwarze 1612: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1613: term_newln(p);
1614: }
1615:
1616: static int
1617: termp_cd_pre(DECL_ARGS)
1618: {
1619:
1.86 schwarze 1620: synopsis_pre(p, n);
1.65 schwarze 1621: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1622: return 1;
1.1 kristaps 1623: }
1624:
1625: static int
1626: termp_in_pre(DECL_ARGS)
1627: {
1628:
1.86 schwarze 1629: synopsis_pre(p, n);
1.85 schwarze 1630:
1.237 schwarze 1631: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1632: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1633: term_word(p, "#include");
1.85 schwarze 1634: term_word(p, "<");
1635: } else {
1636: term_word(p, "<");
1637: term_fontpush(p, TERMFONT_UNDER);
1638: }
1.23 schwarze 1639:
1.1 kristaps 1640: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1641: return 1;
1.1 kristaps 1642: }
1643:
1644: static void
1645: termp_in_post(DECL_ARGS)
1646: {
1647:
1.237 schwarze 1648: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1649: term_fontpush(p, TERMFONT_BOLD);
1650:
1.59 schwarze 1651: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1652: term_word(p, ">");
1653:
1.237 schwarze 1654: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1655: term_fontpop(p);
1.38 schwarze 1656: }
1657:
1658: static int
1659: termp_sp_pre(DECL_ARGS)
1660: {
1.199 schwarze 1661: struct roffsu su;
1.211 schwarze 1662: int i, len;
1.38 schwarze 1663:
1.60 schwarze 1664: switch (n->tok) {
1.166 schwarze 1665: case MDOC_sp:
1.199 schwarze 1666: if (n->child) {
1667: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1668: su.scale = 1.0;
1669: len = term_vspan(p, &su);
1670: } else
1671: len = 1;
1.54 schwarze 1672: break;
1.250 schwarze 1673: case ROFF_br:
1.54 schwarze 1674: len = 0;
1675: break;
1676: default:
1677: len = 1;
1.221 schwarze 1678: fn_prio = 0;
1.54 schwarze 1679: break;
1.38 schwarze 1680: }
1681:
1682: if (0 == len)
1683: term_newln(p);
1.211 schwarze 1684: else if (len < 0)
1685: p->skipvsp -= len;
1686: else
1687: for (i = 0; i < len; i++)
1688: term_vspace(p);
1.38 schwarze 1689:
1.227 schwarze 1690: return 0;
1.38 schwarze 1691: }
1692:
1693: static int
1.193 schwarze 1694: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1695: {
1696:
1.227 schwarze 1697: return 0;
1.170 schwarze 1698: }
1699:
1700: static int
1.107 schwarze 1701: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1702: {
1703:
1.213 schwarze 1704: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1705: return 1;
1.1 kristaps 1706:
1.107 schwarze 1707: switch (n->tok) {
1.166 schwarze 1708: case MDOC_Ao:
1709: case MDOC_Aq:
1.230 schwarze 1710: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1711: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1712: break;
1.166 schwarze 1713: case MDOC_Bro:
1714: case MDOC_Brq:
1.107 schwarze 1715: term_word(p, "{");
1716: break;
1.166 schwarze 1717: case MDOC_Oo:
1718: case MDOC_Op:
1719: case MDOC_Bo:
1720: case MDOC_Bq:
1.107 schwarze 1721: term_word(p, "[");
1722: break;
1.245 schwarze 1723: case MDOC__T:
1724: /* FALLTHROUGH */
1.166 schwarze 1725: case MDOC_Do:
1726: case MDOC_Dq:
1.210 schwarze 1727: term_word(p, "\\(Lq");
1.107 schwarze 1728: break;
1.170 schwarze 1729: case MDOC_En:
1730: if (NULL == n->norm->Es ||
1731: NULL == n->norm->Es->child)
1.227 schwarze 1732: return 1;
1.170 schwarze 1733: term_word(p, n->norm->Es->child->string);
1734: break;
1.166 schwarze 1735: case MDOC_Po:
1736: case MDOC_Pq:
1.107 schwarze 1737: term_word(p, "(");
1738: break;
1.166 schwarze 1739: case MDOC_Qo:
1740: case MDOC_Qq:
1.107 schwarze 1741: term_word(p, "\"");
1742: break;
1.166 schwarze 1743: case MDOC_Ql:
1744: case MDOC_So:
1745: case MDOC_Sq:
1.151 schwarze 1746: term_word(p, "\\(oq");
1.107 schwarze 1747: break;
1748: default:
1749: abort();
1750: }
1.1 kristaps 1751:
1752: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1753: return 1;
1.1 kristaps 1754: }
1755:
1756: static void
1.107 schwarze 1757: termp_quote_post(DECL_ARGS)
1.1 kristaps 1758: {
1759:
1.213 schwarze 1760: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1761: return;
1762:
1.205 schwarze 1763: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1764:
1.107 schwarze 1765: switch (n->tok) {
1.166 schwarze 1766: case MDOC_Ao:
1767: case MDOC_Aq:
1.230 schwarze 1768: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1769: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1770: break;
1.166 schwarze 1771: case MDOC_Bro:
1772: case MDOC_Brq:
1.107 schwarze 1773: term_word(p, "}");
1774: break;
1.166 schwarze 1775: case MDOC_Oo:
1776: case MDOC_Op:
1777: case MDOC_Bo:
1778: case MDOC_Bq:
1.107 schwarze 1779: term_word(p, "]");
1780: break;
1.245 schwarze 1781: case MDOC__T:
1782: /* FALLTHROUGH */
1.166 schwarze 1783: case MDOC_Do:
1784: case MDOC_Dq:
1.210 schwarze 1785: term_word(p, "\\(Rq");
1.170 schwarze 1786: break;
1787: case MDOC_En:
1.205 schwarze 1788: if (n->norm->Es == NULL ||
1789: n->norm->Es->child == NULL ||
1790: n->norm->Es->child->next == NULL)
1791: p->flags &= ~TERMP_NOSPACE;
1792: else
1.170 schwarze 1793: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1794: break;
1.166 schwarze 1795: case MDOC_Po:
1796: case MDOC_Pq:
1.107 schwarze 1797: term_word(p, ")");
1798: break;
1.166 schwarze 1799: case MDOC_Qo:
1800: case MDOC_Qq:
1.107 schwarze 1801: term_word(p, "\"");
1802: break;
1.166 schwarze 1803: case MDOC_Ql:
1804: case MDOC_So:
1805: case MDOC_Sq:
1.151 schwarze 1806: term_word(p, "\\(cq");
1.107 schwarze 1807: break;
1808: default:
1809: abort();
1810: }
1.205 schwarze 1811: }
1812:
1813: static int
1814: termp_eo_pre(DECL_ARGS)
1815: {
1816:
1.213 schwarze 1817: if (n->type != ROFFT_BODY)
1.227 schwarze 1818: return 1;
1.205 schwarze 1819:
1820: if (n->end == ENDBODY_NOT &&
1821: n->parent->head->child == NULL &&
1822: n->child != NULL &&
1823: n->child->end != ENDBODY_NOT)
1824: term_word(p, "\\&");
1825: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1826: n->parent->head->child != NULL && (n->child != NULL ||
1827: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1828: p->flags |= TERMP_NOSPACE;
1829:
1.227 schwarze 1830: return 1;
1.205 schwarze 1831: }
1832:
1833: static void
1834: termp_eo_post(DECL_ARGS)
1835: {
1836: int body, tail;
1837:
1.213 schwarze 1838: if (n->type != ROFFT_BODY)
1.205 schwarze 1839: return;
1840:
1841: if (n->end != ENDBODY_NOT) {
1842: p->flags &= ~TERMP_NOSPACE;
1843: return;
1844: }
1845:
1846: body = n->child != NULL || n->parent->head->child != NULL;
1847: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1848:
1849: if (body && tail)
1850: p->flags |= TERMP_NOSPACE;
1851: else if ( ! (body || tail))
1852: term_word(p, "\\&");
1853: else if ( ! tail)
1854: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1855: }
1856:
1857: static int
1858: termp_fo_pre(DECL_ARGS)
1859: {
1.159 schwarze 1860: size_t rmargin = 0;
1.158 schwarze 1861: int pretty;
1862:
1.237 schwarze 1863: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1864:
1.213 schwarze 1865: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1866: synopsis_pre(p, n);
1.227 schwarze 1867: return 1;
1.213 schwarze 1868: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1869: if (pretty) {
1870: rmargin = p->rmargin;
1.159 schwarze 1871: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1872: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1873: TERMP_HANG;
1.158 schwarze 1874: }
1.31 schwarze 1875: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1876: term_word(p, "(");
1.132 schwarze 1877: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1878: if (pretty) {
1879: term_flushln(p);
1.165 schwarze 1880: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1881: TERMP_HANG);
1.158 schwarze 1882: p->offset = p->rmargin;
1883: p->rmargin = rmargin;
1884: }
1.227 schwarze 1885: return 1;
1.158 schwarze 1886: }
1.85 schwarze 1887:
1.95 schwarze 1888: if (NULL == n->child)
1.227 schwarze 1889: return 0;
1.95 schwarze 1890:
1.85 schwarze 1891: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1892:
1.85 schwarze 1893: assert(n->child->string);
1.65 schwarze 1894: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1895: term_word(p, n->child->string);
1.227 schwarze 1896: return 0;
1.1 kristaps 1897: }
1898:
1899: static void
1900: termp_fo_post(DECL_ARGS)
1901: {
1902:
1.213 schwarze 1903: if (n->type != ROFFT_BODY)
1.86 schwarze 1904: return;
1905:
1.132 schwarze 1906: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1907: term_word(p, ")");
1908:
1.237 schwarze 1909: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1910: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1911: term_word(p, ";");
1.158 schwarze 1912: term_flushln(p);
1.132 schwarze 1913: }
1.1 kristaps 1914: }
1915:
1916: static int
1917: termp_bf_pre(DECL_ARGS)
1918: {
1919:
1.213 schwarze 1920: if (n->type == ROFFT_HEAD)
1.227 schwarze 1921: return 0;
1.213 schwarze 1922: else if (n->type != ROFFT_BODY)
1.227 schwarze 1923: return 1;
1.1 kristaps 1924:
1.166 schwarze 1925: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1926: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1927: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1928: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1929: else
1.65 schwarze 1930: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1931:
1.227 schwarze 1932: return 1;
1.1 kristaps 1933: }
1934:
1935: static int
1936: termp_sm_pre(DECL_ARGS)
1937: {
1938:
1.171 schwarze 1939: if (NULL == n->child)
1940: p->flags ^= TERMP_NONOSPACE;
1941: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1942: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1943: else
1.1 kristaps 1944: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1945:
1946: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1947: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1948:
1.227 schwarze 1949: return 0;
1.1 kristaps 1950: }
1951:
1952: static int
1953: termp_ap_pre(DECL_ARGS)
1954: {
1955:
1956: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1957: term_word(p, "'");
1.1 kristaps 1958: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1959: return 1;
1.1 kristaps 1960: }
1961:
1962: static void
1963: termp____post(DECL_ARGS)
1964: {
1.104 schwarze 1965:
1966: /*
1967: * Handle lists of authors. In general, print each followed by
1968: * a comma. Don't print the comma if there are only two
1969: * authors.
1970: */
1971: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1972: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1973: if (NULL == n->prev || MDOC__A != n->prev->tok)
1974: return;
1.1 kristaps 1975:
1.62 schwarze 1976: /* TODO: %U. */
1977:
1.106 schwarze 1978: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1979: return;
1980:
1.132 schwarze 1981: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1982: if (NULL == n->next) {
1983: term_word(p, ".");
1984: p->flags |= TERMP_SENTENCE;
1985: } else
1986: term_word(p, ",");
1.1 kristaps 1987: }
1988:
1989: static int
1.65 schwarze 1990: termp_li_pre(DECL_ARGS)
1991: {
1992:
1.234 schwarze 1993: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1994: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1995: return 1;
1.65 schwarze 1996: }
1997:
1998: static int
1.1 kristaps 1999: termp_lk_pre(DECL_ARGS)
2000: {
1.214 schwarze 2001: const struct roff_node *link, *descr;
1.247 schwarze 2002: int display;
1.1 kristaps 2003:
1.248 schwarze 2004: if ((link = n->child) == NULL)
1.227 schwarze 2005: return 0;
1.101 schwarze 2006:
1.248 schwarze 2007: /* Link text. */
2008: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2009: term_fontpush(p, TERMFONT_UNDER);
1.248 schwarze 2010: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2011: term_word(p, descr->string);
2012: descr = descr->next;
2013: }
1.246 schwarze 2014: term_fontpop(p);
1.142 schwarze 2015: p->flags |= TERMP_NOSPACE;
2016: term_word(p, ":");
2017: }
1.1 kristaps 2018:
1.248 schwarze 2019: /* Link target. */
1.247 schwarze 2020: display = term_strlen(p, link->string) >= 26;
2021: if (display) {
2022: term_newln(p);
2023: p->offset += term_len(p, p->defindent + 1);
2024: }
1.65 schwarze 2025: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2026: term_word(p, link->string);
1.65 schwarze 2027: term_fontpop(p);
1.247 schwarze 2028:
1.248 schwarze 2029: /* Trailing punctuation. */
2030: while (descr != NULL) {
2031: p->flags |= TERMP_NOSPACE;
2032: term_word(p, descr->string);
2033: descr = descr->next;
2034: }
1.247 schwarze 2035: if (display)
2036: term_newln(p);
1.227 schwarze 2037: return 0;
1.1 kristaps 2038: }
2039:
1.90 schwarze 2040: static int
2041: termp_bk_pre(DECL_ARGS)
2042: {
2043:
1.91 schwarze 2044: switch (n->type) {
1.213 schwarze 2045: case ROFFT_BLOCK:
1.95 schwarze 2046: break;
1.213 schwarze 2047: case ROFFT_HEAD:
1.227 schwarze 2048: return 0;
1.213 schwarze 2049: case ROFFT_BODY:
1.230 schwarze 2050: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2051: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2052: break;
1.91 schwarze 2053: default:
2054: abort();
2055: }
1.95 schwarze 2056:
1.227 schwarze 2057: return 1;
1.90 schwarze 2058: }
2059:
2060: static void
2061: termp_bk_post(DECL_ARGS)
2062: {
2063:
1.213 schwarze 2064: if (n->type == ROFFT_BODY)
1.91 schwarze 2065: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2066: }
1.120 schwarze 2067:
2068: static void
2069: termp__t_post(DECL_ARGS)
2070: {
2071:
2072: /*
2073: * If we're in an `Rs' and there's a journal present, then quote
2074: * us instead of underlining us (for disambiguation).
2075: */
1.121 schwarze 2076: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2077: n->parent->norm->Rs.quote_T)
1.147 schwarze 2078: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2079:
1.147 schwarze 2080: termp____post(p, pair, meta, n);
1.120 schwarze 2081: }
2082:
2083: static int
2084: termp__t_pre(DECL_ARGS)
2085: {
2086:
2087: /*
2088: * If we're in an `Rs' and there's a journal present, then quote
2089: * us instead of underlining us (for disambiguation).
2090: */
1.121 schwarze 2091: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2092: n->parent->norm->Rs.quote_T)
1.227 schwarze 2093: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2094:
2095: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2096: return 1;
1.121 schwarze 2097: }
1.1 kristaps 2098:
2099: static int
1.54 schwarze 2100: termp_under_pre(DECL_ARGS)
1.1 kristaps 2101: {
2102:
1.65 schwarze 2103: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2104: return 1;
2105: }
2106:
2107: static int
2108: termp_em_pre(DECL_ARGS)
2109: {
2110: if (n->child != NULL &&
2111: n->child->type == ROFFT_TEXT)
2112: tag_put(n->child->string, 0, p->line);
2113: term_fontpush(p, TERMFONT_UNDER);
2114: return 1;
2115: }
2116:
2117: static int
2118: termp_sy_pre(DECL_ARGS)
2119: {
2120: if (n->child != NULL &&
2121: n->child->type == ROFFT_TEXT)
2122: tag_put(n->child->string, 0, p->line);
2123: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2124: return 1;
1.222 schwarze 2125: }
2126:
2127: static int
2128: termp_er_pre(DECL_ARGS)
2129: {
2130:
2131: if (n->sec == SEC_ERRORS &&
2132: (n->parent->tok == MDOC_It ||
2133: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2134: n->parent->parent->parent->tok == MDOC_It)))
2135: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2136: return 1;
1.219 schwarze 2137: }
2138:
2139: static int
2140: termp_tag_pre(DECL_ARGS)
2141: {
2142:
2143: if (n->child != NULL &&
2144: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2145: (n->prev == NULL ||
2146: (n->prev->type == ROFFT_TEXT &&
2147: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2148: (n->parent->tok == MDOC_It ||
2149: (n->parent->tok == MDOC_Xo &&
2150: n->parent->parent->prev == NULL &&
1.223 schwarze 2151: n->parent->parent->parent->tok == MDOC_It)))
2152: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2153: return 1;
1.1 kristaps 2154: }
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