Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.252
1.252 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.251 2017/05/04 22:07:44 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);
1.252 ! schwarze 367: chld = 0;
1.250 schwarze 368: break;
369: }
370: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 371: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 372: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 373: chld = (*termacts[n->tok].pre)
1.147 schwarze 374: (p, &npair, meta, n);
1.128 schwarze 375: break;
376: }
1.95 schwarze 377:
1.60 schwarze 378: if (chld && n->child)
1.147 schwarze 379: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 380:
1.146 schwarze 381: term_fontpopq(p,
1.209 schwarze 382: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 383:
1.122 schwarze 384: switch (n->type) {
1.213 schwarze 385: case ROFFT_TEXT:
1.122 schwarze 386: break;
1.213 schwarze 387: case ROFFT_TBL:
1.131 schwarze 388: break;
1.213 schwarze 389: case ROFFT_EQN:
1.122 schwarze 390: break;
391: default:
1.250 schwarze 392: if (n->tok < ROFF_MAX ||
393: termacts[n->tok].post == NULL ||
394: n->flags & NODE_ENDED)
1.122 schwarze 395: break;
1.147 schwarze 396: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 397:
398: /*
399: * Explicit end tokens not only call the post
400: * handler, but also tell the respective block
401: * that it must not call the post handler again.
402: */
1.95 schwarze 403: if (ENDBODY_NOT != n->end)
1.237 schwarze 404: n->body->flags |= NODE_ENDED;
1.122 schwarze 405: break;
1.93 schwarze 406: }
1.28 schwarze 407:
1.237 schwarze 408: if (NODE_EOS & n->flags)
1.78 schwarze 409: p->flags |= TERMP_SENTENCE;
410:
1.162 schwarze 411: if (MDOC_ll != n->tok) {
412: p->offset = offset;
413: p->rmargin = rmargin;
414: }
1.1 kristaps 415: }
416:
417: static void
1.215 schwarze 418: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 419: {
1.191 schwarze 420: size_t sz;
1.87 schwarze 421:
1.65 schwarze 422: term_fontrepl(p, TERMFONT_NONE);
423:
1.166 schwarze 424: /*
1.7 schwarze 425: * Output the footer in new-groff style, that is, three columns
426: * with the middle being the manual date and flanking columns
427: * being the operating system:
428: *
429: * SYSTEM DATE SYSTEM
430: */
431:
1.1 kristaps 432: term_vspace(p);
433:
1.7 schwarze 434: p->offset = 0;
1.191 schwarze 435: sz = term_strlen(p, meta->date);
436: p->rmargin = p->maxrmargin > sz ?
437: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 438: p->trailspace = 1;
1.1 kristaps 439: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
440:
1.147 schwarze 441: term_word(p, meta->os);
1.1 kristaps 442: term_flushln(p);
443:
1.7 schwarze 444: p->offset = p->rmargin;
1.191 schwarze 445: sz = term_strlen(p, meta->os);
446: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 447: p->flags |= TERMP_NOSPACE;
1.7 schwarze 448:
1.147 schwarze 449: term_word(p, meta->date);
1.7 schwarze 450: term_flushln(p);
451:
1.1 kristaps 452: p->offset = p->rmargin;
453: p->rmargin = p->maxrmargin;
1.152 schwarze 454: p->trailspace = 0;
1.1 kristaps 455: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 456: p->flags |= TERMP_NOSPACE;
1.1 kristaps 457:
1.147 schwarze 458: term_word(p, meta->os);
1.1 kristaps 459: term_flushln(p);
1.7 schwarze 460:
461: p->offset = 0;
462: p->rmargin = p->maxrmargin;
463: p->flags = 0;
1.1 kristaps 464: }
465:
466: static void
1.215 schwarze 467: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 468: {
1.169 schwarze 469: char *volume, *title;
470: size_t vollen, titlen;
1.1 kristaps 471:
472: /*
473: * The header is strange. It has three components, which are
474: * really two with the first duplicated. It goes like this:
475: *
476: * IDENTIFIER TITLE IDENTIFIER
477: *
478: * The IDENTIFIER is NAME(SECTION), which is the command-name
479: * (if given, or "unknown" if not) followed by the manual page
480: * section. These are given in `Dt'. The TITLE is a free-form
481: * string depending on the manual volume. If not specified, it
482: * switches on the manual section.
483: */
1.137 schwarze 484:
1.147 schwarze 485: assert(meta->vol);
1.169 schwarze 486: if (NULL == meta->arch)
487: volume = mandoc_strdup(meta->vol);
488: else
489: mandoc_asprintf(&volume, "%s (%s)",
490: meta->vol, meta->arch);
491: vollen = term_strlen(p, volume);
1.1 kristaps 492:
1.177 schwarze 493: if (NULL == meta->msec)
494: title = mandoc_strdup(meta->title);
495: else
496: mandoc_asprintf(&title, "%s(%s)",
497: meta->title, meta->msec);
1.137 schwarze 498: titlen = term_strlen(p, title);
1.1 kristaps 499:
1.137 schwarze 500: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 501: p->trailspace = 1;
1.1 kristaps 502: p->offset = 0;
1.169 schwarze 503: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
504: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 505: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 506:
507: term_word(p, title);
508: term_flushln(p);
509:
1.137 schwarze 510: p->flags |= TERMP_NOSPACE;
1.1 kristaps 511: p->offset = p->rmargin;
1.169 schwarze 512: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 513: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 514:
1.169 schwarze 515: term_word(p, volume);
1.1 kristaps 516: term_flushln(p);
517:
518: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 519: p->trailspace = 0;
1.137 schwarze 520: if (p->rmargin + titlen <= p->maxrmargin) {
521: p->flags |= TERMP_NOSPACE;
522: p->offset = p->rmargin;
523: p->rmargin = p->maxrmargin;
524: term_word(p, title);
525: term_flushln(p);
526: }
1.1 kristaps 527:
1.137 schwarze 528: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 529: p->offset = 0;
1.1 kristaps 530: p->rmargin = p->maxrmargin;
1.168 schwarze 531: free(title);
1.169 schwarze 532: free(volume);
1.1 kristaps 533: }
534:
1.201 schwarze 535: static int
1.89 schwarze 536: a2width(const struct termp *p, const char *v)
1.61 schwarze 537: {
538: struct roffsu su;
1.1 kristaps 539:
1.199 schwarze 540: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 541: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 542: su.scale /= term_strlen(p, "0");
1.201 schwarze 543: }
1.227 schwarze 544: return term_hspan(p, &su) / 24;
1.1 kristaps 545: }
546:
1.68 schwarze 547: /*
548: * Determine how much space to print out before block elements of `It'
549: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
550: * too.
551: */
1.45 schwarze 552: static void
1.166 schwarze 553: print_bvspace(struct termp *p,
1.214 schwarze 554: const struct roff_node *bl,
555: const struct roff_node *n)
1.1 kristaps 556: {
1.214 schwarze 557: const struct roff_node *nn;
1.138 schwarze 558:
559: assert(n);
1.1 kristaps 560:
561: term_newln(p);
1.88 schwarze 562:
1.121 schwarze 563: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 564: return;
1.121 schwarze 565: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 566: return;
567:
1.60 schwarze 568: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 569:
1.188 schwarze 570: nn = n;
1.236 schwarze 571: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
572: nn = nn->prev;
1.188 schwarze 573: while (nn->prev == NULL) {
574: do {
575: nn = nn->parent;
1.213 schwarze 576: if (nn->type == ROFFT_ROOT)
1.188 schwarze 577: return;
1.213 schwarze 578: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 579: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 580: return;
1.188 schwarze 581: if (nn->tok == MDOC_It &&
582: nn->parent->parent->norm->Bl.type != LIST_item)
583: break;
1.1 kristaps 584: }
585:
1.60 schwarze 586: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 587:
1.121 schwarze 588: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 589: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 590: return;
591:
1.60 schwarze 592: /* A `-diag' without body does not vspace. */
593:
1.121 schwarze 594: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 595: if (n->prev && MDOC_It == n->prev->tok) {
596: assert(n->prev->body);
597: if (NULL == n->prev->body->child)
1.45 schwarze 598: return;
599: }
600:
601: term_vspace(p);
1.162 schwarze 602: }
603:
604:
605: static int
606: termp_ll_pre(DECL_ARGS)
607: {
608:
1.230 schwarze 609: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 schwarze 610: return 0;
1.1 kristaps 611: }
612:
613: static int
614: termp_it_pre(DECL_ARGS)
615: {
1.244 schwarze 616: struct roffsu su;
1.201 schwarze 617: char buf[24];
1.214 schwarze 618: const struct roff_node *bl, *nn;
1.201 schwarze 619: size_t ncols, dcol;
620: int i, offset, width;
1.82 schwarze 621: enum mdoc_list type;
1.1 kristaps 622:
1.213 schwarze 623: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 624: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 625: return 1;
1.45 schwarze 626: }
1.1 kristaps 627:
1.60 schwarze 628: bl = n->parent->parent->parent;
1.121 schwarze 629: type = bl->norm->Bl.type;
1.1 kristaps 630:
1.166 schwarze 631: /*
1.201 schwarze 632: * Defaults for specific list types.
633: */
634:
635: switch (type) {
636: case LIST_bullet:
637: case LIST_dash:
638: case LIST_hyphen:
639: case LIST_enum:
640: width = term_len(p, 2);
641: break;
642: case LIST_hang:
1.231 schwarze 643: case LIST_tag:
1.201 schwarze 644: width = term_len(p, 8);
645: break;
646: case LIST_column:
647: width = term_len(p, 10);
648: break;
649: default:
650: width = 0;
651: break;
652: }
653: offset = 0;
654:
655: /*
1.68 schwarze 656: * First calculate width and offset. This is pretty easy unless
657: * we're a -column list, in which case all prior columns must
658: * be accounted for.
659: */
660:
1.201 schwarze 661: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 662: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 663: if (offset < 0 && (size_t)(-offset) > p->offset)
664: offset = -p->offset;
665: else if (offset > SHRT_MAX)
666: offset = 0;
667: }
1.66 schwarze 668:
1.1 kristaps 669: switch (type) {
1.166 schwarze 670: case LIST_column:
1.213 schwarze 671: if (n->type == ROFFT_HEAD)
1.1 kristaps 672: break;
1.88 schwarze 673:
1.66 schwarze 674: /*
1.68 schwarze 675: * Imitate groff's column handling:
676: * - For each earlier column, add its width.
677: * - For less than 5 columns, add four more blanks per
678: * column.
679: * - For exactly 5 columns, add three more blank per
680: * column.
681: * - For more than 5 columns, add only one column.
1.66 schwarze 682: */
1.121 schwarze 683: ncols = bl->norm->Bl.ncols;
1.166 schwarze 684: dcol = ncols < 5 ? term_len(p, 4) :
685: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 686:
1.85 schwarze 687: /*
1.213 schwarze 688: * Calculate the offset by applying all prior ROFFT_BODY,
689: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 690: */
691:
1.166 schwarze 692: for (i = 0, nn = n->prev;
693: nn->prev && i < (int)ncols;
1.244 schwarze 694: nn = nn->prev, i++) {
695: SCALE_HS_INIT(&su,
696: term_strlen(p, bl->norm->Bl.cols[i]));
697: su.scale /= term_strlen(p, "0");
698: offset += term_hspan(p, &su) / 24 + dcol;
699: }
1.66 schwarze 700:
701: /*
1.68 schwarze 702: * When exceeding the declared number of columns, leave
703: * the remaining widths at 0. This will later be
704: * adjusted to the default width of 10, or, for the last
705: * column, stretched to the right margin.
1.46 schwarze 706: */
1.68 schwarze 707: if (i >= (int)ncols)
708: break;
1.46 schwarze 709:
1.66 schwarze 710: /*
1.68 schwarze 711: * Use the declared column widths, extended as explained
712: * in the preceding paragraph.
1.66 schwarze 713: */
1.244 schwarze 714: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
715: su.scale /= term_strlen(p, "0");
716: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 717: break;
718: default:
1.121 schwarze 719: if (NULL == bl->norm->Bl.width)
1.68 schwarze 720: break;
721:
1.166 schwarze 722: /*
1.68 schwarze 723: * Note: buffer the width by 2, which is groff's magic
724: * number for buffering single arguments. See the above
725: * handling for column for how this changes.
726: */
1.121 schwarze 727: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 728: if (width < 0 && (size_t)(-width) > p->offset)
729: width = -p->offset;
730: else if (width > SHRT_MAX)
731: width = 0;
1.1 kristaps 732: break;
733: }
734:
1.166 schwarze 735: /*
1.16 schwarze 736: * Whitespace control. Inset bodies need an initial space,
737: * while diagonal bodies need two.
1.1 kristaps 738: */
739:
1.42 schwarze 740: p->flags |= TERMP_NOSPACE;
741:
1.1 kristaps 742: switch (type) {
1.166 schwarze 743: case LIST_diag:
1.213 schwarze 744: if (n->type == ROFFT_BODY)
1.48 schwarze 745: term_word(p, "\\ \\ ");
1.42 schwarze 746: break;
1.166 schwarze 747: case LIST_inset:
1.230 schwarze 748: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 749: term_word(p, "\\ ");
1.1 kristaps 750: break;
751: default:
752: break;
753: }
754:
1.42 schwarze 755: p->flags |= TERMP_NOSPACE;
756:
1.1 kristaps 757: switch (type) {
1.166 schwarze 758: case LIST_diag:
1.213 schwarze 759: if (n->type == ROFFT_HEAD)
1.65 schwarze 760: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 761: break;
762: default:
763: break;
764: }
765:
766: /*
1.68 schwarze 767: * Pad and break control. This is the tricky part. These flags
768: * are documented in term_flushln() in term.c. Note that we're
769: * going to unset all of these flags in termp_it_post() when we
770: * exit.
1.1 kristaps 771: */
772:
773: switch (type) {
1.166 schwarze 774: case LIST_enum:
1.228 schwarze 775: case LIST_bullet:
776: case LIST_dash:
777: case LIST_hyphen:
1.144 schwarze 778: /*
779: * Weird special case.
1.201 schwarze 780: * Some very narrow lists actually hang.
1.144 schwarze 781: */
1.201 schwarze 782: if (width <= (int)term_len(p, 2))
783: p->flags |= TERMP_HANG;
1.213 schwarze 784: if (n->type != ROFFT_HEAD)
1.152 schwarze 785: break;
786: p->flags |= TERMP_NOBREAK;
787: p->trailspace = 1;
1.33 schwarze 788: break;
1.166 schwarze 789: case LIST_hang:
1.213 schwarze 790: if (n->type != ROFFT_HEAD)
1.47 schwarze 791: break;
792:
793: /*
794: * This is ugly. If `-hang' is specified and the body
795: * is a `Bl' or `Bd', then we want basically to nullify
796: * the "overstep" effect in term_flushln() and treat
797: * this as a `-ohang' list instead.
798: */
1.178 schwarze 799: if (NULL != n->next &&
800: NULL != n->next->child &&
1.166 schwarze 801: (MDOC_Bl == n->next->child->tok ||
802: MDOC_Bd == n->next->child->tok))
1.152 schwarze 803: break;
804:
1.165 schwarze 805: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 806: p->trailspace = 1;
1.33 schwarze 807: break;
1.166 schwarze 808: case LIST_tag:
1.213 schwarze 809: if (n->type != ROFFT_HEAD)
1.33 schwarze 810: break;
1.152 schwarze 811:
1.225 schwarze 812: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 813: p->trailspace = 2;
814:
1.60 schwarze 815: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 816: p->flags |= TERMP_DANGLE;
1.1 kristaps 817: break;
1.166 schwarze 818: case LIST_column:
1.213 schwarze 819: if (n->type == ROFFT_HEAD)
1.85 schwarze 820: break;
821:
1.152 schwarze 822: if (NULL == n->next) {
1.85 schwarze 823: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 824: p->trailspace = 0;
825: } else {
1.85 schwarze 826: p->flags |= TERMP_NOBREAK;
1.152 schwarze 827: p->trailspace = 1;
828: }
1.85 schwarze 829:
1.1 kristaps 830: break;
1.166 schwarze 831: case LIST_diag:
1.213 schwarze 832: if (n->type != ROFFT_HEAD)
1.152 schwarze 833: break;
1.165 schwarze 834: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 835: p->trailspace = 1;
1.1 kristaps 836: break;
837: default:
838: break;
839: }
840:
1.166 schwarze 841: /*
1.1 kristaps 842: * Margin control. Set-head-width lists have their right
843: * margins shortened. The body for these lists has the offset
844: * necessarily lengthened. Everybody gets the offset.
845: */
846:
847: p->offset += offset;
848:
849: switch (type) {
1.166 schwarze 850: case LIST_hang:
1.47 schwarze 851: /*
852: * Same stipulation as above, regarding `-hang'. We
853: * don't want to recalculate rmargin and offsets when
854: * using `Bd' or `Bl' within `-hang' overstep lists.
855: */
1.213 schwarze 856: if (n->type == ROFFT_HEAD &&
1.178 schwarze 857: NULL != n->next &&
858: NULL != n->next->child &&
1.166 schwarze 859: (MDOC_Bl == n->next->child->tok ||
860: MDOC_Bd == n->next->child->tok))
1.47 schwarze 861: break;
862: /* FALLTHROUGH */
1.166 schwarze 863: case LIST_bullet:
864: case LIST_dash:
865: case LIST_enum:
866: case LIST_hyphen:
867: case LIST_tag:
1.213 schwarze 868: if (n->type == ROFFT_HEAD)
1.1 kristaps 869: p->rmargin = p->offset + width;
1.191 schwarze 870: else
1.1 kristaps 871: p->offset += width;
872: break;
1.166 schwarze 873: case LIST_column:
1.41 schwarze 874: assert(width);
1.1 kristaps 875: p->rmargin = p->offset + width;
1.166 schwarze 876: /*
1.43 schwarze 877: * XXX - this behaviour is not documented: the
878: * right-most column is filled to the right margin.
879: */
1.213 schwarze 880: if (n->type == ROFFT_HEAD)
1.85 schwarze 881: break;
882: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 883: p->rmargin = p->maxrmargin;
1.1 kristaps 884: break;
885: default:
886: break;
887: }
888:
1.166 schwarze 889: /*
1.1 kristaps 890: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 891: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 892: */
893:
1.213 schwarze 894: if (n->type == ROFFT_HEAD)
1.1 kristaps 895: switch (type) {
1.166 schwarze 896: case LIST_bullet:
1.65 schwarze 897: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 898: term_word(p, "\\[bu]");
1.65 schwarze 899: term_fontpop(p);
1.1 kristaps 900: break;
1.166 schwarze 901: case LIST_dash:
902: case LIST_hyphen:
1.65 schwarze 903: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 904: term_word(p, "-");
1.65 schwarze 905: term_fontpop(p);
1.1 kristaps 906: break;
1.166 schwarze 907: case LIST_enum:
1.1 kristaps 908: (pair->ppair->ppair->count)++;
1.167 schwarze 909: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 910: pair->ppair->ppair->count);
1.1 kristaps 911: term_word(p, buf);
912: break;
913: default:
914: break;
915: }
1.12 schwarze 916:
1.166 schwarze 917: /*
1.1 kristaps 918: * If we're not going to process our children, indicate so here.
919: */
920:
921: switch (type) {
1.166 schwarze 922: case LIST_bullet:
923: case LIST_item:
924: case LIST_dash:
925: case LIST_hyphen:
926: case LIST_enum:
1.213 schwarze 927: if (n->type == ROFFT_HEAD)
1.227 schwarze 928: return 0;
1.1 kristaps 929: break;
1.166 schwarze 930: case LIST_column:
1.213 schwarze 931: if (n->type == ROFFT_HEAD)
1.227 schwarze 932: return 0;
1.1 kristaps 933: break;
934: default:
935: break;
936: }
937:
1.227 schwarze 938: return 1;
1.1 kristaps 939: }
940:
941: static void
942: termp_it_post(DECL_ARGS)
943: {
1.82 schwarze 944: enum mdoc_list type;
1.1 kristaps 945:
1.213 schwarze 946: if (n->type == ROFFT_BLOCK)
1.1 kristaps 947: return;
948:
1.121 schwarze 949: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 950:
951: switch (type) {
1.166 schwarze 952: case LIST_item:
953: case LIST_diag:
954: case LIST_inset:
1.213 schwarze 955: if (n->type == ROFFT_BODY)
1.74 schwarze 956: term_newln(p);
1.1 kristaps 957: break;
1.166 schwarze 958: case LIST_column:
1.213 schwarze 959: if (n->type == ROFFT_BODY)
1.1 kristaps 960: term_flushln(p);
961: break;
962: default:
1.74 schwarze 963: term_newln(p);
1.1 kristaps 964: break;
965: }
966:
1.166 schwarze 967: /*
1.68 schwarze 968: * Now that our output is flushed, we can reset our tags. Since
969: * only `It' sets these flags, we're free to assume that nobody
970: * has munged them in the meanwhile.
971: */
972:
1.225 schwarze 973: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 974: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 975: p->trailspace = 0;
1.1 kristaps 976: }
977:
978: static int
979: termp_nm_pre(DECL_ARGS)
980: {
1.195 schwarze 981: const char *cp;
1.1 kristaps 982:
1.213 schwarze 983: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 984: p->flags |= TERMP_PREKEEP;
1.227 schwarze 985: return 1;
1.155 schwarze 986: }
1.94 schwarze 987:
1.213 schwarze 988: if (n->type == ROFFT_BODY) {
1.94 schwarze 989: if (NULL == n->child)
1.227 schwarze 990: return 0;
1.136 schwarze 991: p->flags |= TERMP_NOSPACE;
1.195 schwarze 992: cp = NULL;
993: if (n->prev->child != NULL)
994: cp = n->prev->child->string;
995: if (cp == NULL)
996: cp = meta->name;
997: if (cp == NULL)
998: p->offset += term_len(p, 6);
999: else
1000: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 1001: return 1;
1.94 schwarze 1002: }
1003:
1.242 schwarze 1004: if (n->child == NULL)
1.227 schwarze 1005: return 0;
1.81 schwarze 1006:
1.213 schwarze 1007: if (n->type == ROFFT_HEAD)
1.97 schwarze 1008: synopsis_pre(p, n->parent);
1.65 schwarze 1009:
1.213 schwarze 1010: if (n->type == ROFFT_HEAD &&
1.178 schwarze 1011: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1012: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1013: p->trailspace = 1;
1.105 schwarze 1014: p->rmargin = p->offset + term_len(p, 1);
1015: if (NULL == n->child) {
1.147 schwarze 1016: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1017: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1018: p->rmargin += term_strlen(p, n->child->string);
1019: if (n->child->next)
1020: p->flags |= TERMP_HANG;
1021: } else {
1022: p->rmargin += term_len(p, 5);
1023: p->flags |= TERMP_HANG;
1024: }
1.94 schwarze 1025: }
1026:
1.65 schwarze 1027: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1028: return 1;
1.1 kristaps 1029: }
1030:
1.94 schwarze 1031: static void
1032: termp_nm_post(DECL_ARGS)
1033: {
1034:
1.213 schwarze 1035: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1036: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1037: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1038: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1039: term_flushln(p);
1.165 schwarze 1040: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1041: p->trailspace = 0;
1.213 schwarze 1042: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1043: term_flushln(p);
1044: }
1045:
1.1 kristaps 1046: static int
1047: termp_fl_pre(DECL_ARGS)
1048: {
1049:
1.219 schwarze 1050: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1051: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1052: term_word(p, "\\-");
1.67 schwarze 1053:
1.230 schwarze 1054: if (!(n->child == NULL &&
1.179 schwarze 1055: (n->next == NULL ||
1.213 schwarze 1056: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1057: n->next->flags & NODE_LINE)))
1.73 schwarze 1058: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1059:
1.227 schwarze 1060: return 1;
1.49 schwarze 1061: }
1062:
1063: static int
1.104 schwarze 1064: termp__a_pre(DECL_ARGS)
1065: {
1066:
1067: if (n->prev && MDOC__A == n->prev->tok)
1068: if (NULL == n->next || MDOC__A != n->next->tok)
1069: term_word(p, "and");
1070:
1.227 schwarze 1071: return 1;
1.104 schwarze 1072: }
1073:
1074: static int
1.49 schwarze 1075: termp_an_pre(DECL_ARGS)
1076: {
1077:
1.181 schwarze 1078: if (n->norm->An.auth == AUTH_split) {
1079: p->flags &= ~TERMP_NOSPLIT;
1080: p->flags |= TERMP_SPLIT;
1.227 schwarze 1081: return 0;
1.181 schwarze 1082: }
1083: if (n->norm->An.auth == AUTH_nosplit) {
1084: p->flags &= ~TERMP_SPLIT;
1085: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1086: return 0;
1.181 schwarze 1087: }
1.166 schwarze 1088:
1.181 schwarze 1089: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1090: term_newln(p);
1091:
1.181 schwarze 1092: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1093: p->flags |= TERMP_SPLIT;
1.49 schwarze 1094:
1.227 schwarze 1095: return 1;
1.1 kristaps 1096: }
1097:
1098: static int
1099: termp_ns_pre(DECL_ARGS)
1100: {
1101:
1.237 schwarze 1102: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1103: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1104: return 1;
1.1 kristaps 1105: }
1106:
1107: static int
1108: termp_rs_pre(DECL_ARGS)
1109: {
1110:
1.60 schwarze 1111: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1112: return 1;
1.213 schwarze 1113: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1114: term_vspace(p);
1.227 schwarze 1115: return 1;
1.1 kristaps 1116: }
1117:
1118: static int
1119: termp_ex_pre(DECL_ARGS)
1120: {
1.132 schwarze 1121: term_newln(p);
1.240 schwarze 1122: return 1;
1.1 kristaps 1123: }
1124:
1125: static int
1126: termp_nd_pre(DECL_ARGS)
1127: {
1.25 schwarze 1128:
1.213 schwarze 1129: if (n->type == ROFFT_BODY)
1.196 schwarze 1130: term_word(p, "\\(en");
1.227 schwarze 1131: return 1;
1.1 kristaps 1132: }
1133:
1.73 schwarze 1134: static int
1135: termp_bl_pre(DECL_ARGS)
1136: {
1137:
1.227 schwarze 1138: return n->type != ROFFT_HEAD;
1.73 schwarze 1139: }
1140:
1.1 kristaps 1141: static void
1142: termp_bl_post(DECL_ARGS)
1143: {
1144:
1.213 schwarze 1145: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1146: term_newln(p);
1147: }
1148:
1149: static int
1150: termp_xr_pre(DECL_ARGS)
1151: {
1152:
1.132 schwarze 1153: if (NULL == (n = n->child))
1.227 schwarze 1154: return 0;
1.72 schwarze 1155:
1.213 schwarze 1156: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1157: term_word(p, n->string);
1.10 schwarze 1158:
1.166 schwarze 1159: if (NULL == (n = n->next))
1.227 schwarze 1160: return 0;
1.132 schwarze 1161:
1.1 kristaps 1162: p->flags |= TERMP_NOSPACE;
1163: term_word(p, "(");
1.132 schwarze 1164: p->flags |= TERMP_NOSPACE;
1165:
1.213 schwarze 1166: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1167: term_word(p, n->string);
1168:
1169: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1170: term_word(p, ")");
1.60 schwarze 1171:
1.227 schwarze 1172: return 0;
1.1 kristaps 1173: }
1174:
1.86 schwarze 1175: /*
1176: * This decides how to assert whitespace before any of the SYNOPSIS set
1177: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1178: * macro combos).
1179: */
1180: static void
1.214 schwarze 1181: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1182: {
1.166 schwarze 1183: /*
1.86 schwarze 1184: * Obviously, if we're not in a SYNOPSIS or no prior macros
1185: * exist, do nothing.
1186: */
1.237 schwarze 1187: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1188: return;
1189:
1190: /*
1191: * If we're the second in a pair of like elements, emit our
1192: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1193: * case we soldier on.
1194: */
1.166 schwarze 1195: if (n->prev->tok == n->tok &&
1196: MDOC_Ft != n->tok &&
1197: MDOC_Fo != n->tok &&
1198: MDOC_Fn != n->tok) {
1.86 schwarze 1199: term_newln(p);
1200: return;
1201: }
1202:
1203: /*
1204: * If we're one of the SYNOPSIS set and non-like pair-wise after
1205: * another (or Fn/Fo, which we've let slip through) then assert
1206: * vertical space, else only newline and move on.
1207: */
1208: switch (n->prev->tok) {
1.166 schwarze 1209: case MDOC_Fd:
1210: case MDOC_Fn:
1211: case MDOC_Fo:
1212: case MDOC_In:
1213: case MDOC_Vt:
1.86 schwarze 1214: term_vspace(p);
1215: break;
1.166 schwarze 1216: case MDOC_Ft:
1.86 schwarze 1217: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1218: term_vspace(p);
1219: break;
1220: }
1221: /* FALLTHROUGH */
1222: default:
1223: term_newln(p);
1224: break;
1225: }
1226: }
1227:
1.69 schwarze 1228: static int
1229: termp_vt_pre(DECL_ARGS)
1230: {
1231:
1.213 schwarze 1232: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1233: synopsis_pre(p, n);
1.227 schwarze 1234: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1235: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1236: synopsis_pre(p, n);
1.227 schwarze 1237: return 1;
1.213 schwarze 1238: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1239: return 0;
1.69 schwarze 1240:
1.227 schwarze 1241: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1242: }
1243:
1.1 kristaps 1244: static int
1.54 schwarze 1245: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1246: {
1247:
1.219 schwarze 1248: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1249: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1250: return 1;
1.1 kristaps 1251: }
1252:
1.86 schwarze 1253: static int
1254: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1255: {
1256:
1.86 schwarze 1257: synopsis_pre(p, n);
1.227 schwarze 1258: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1259: }
1260:
1.143 schwarze 1261: static void
1262: termp_fd_post(DECL_ARGS)
1263: {
1264:
1265: term_newln(p);
1266: }
1267:
1.1 kristaps 1268: static int
1269: termp_sh_pre(DECL_ARGS)
1270: {
1.60 schwarze 1271:
1272: switch (n->type) {
1.213 schwarze 1273: case ROFFT_BLOCK:
1.192 schwarze 1274: /*
1275: * Vertical space before sections, except
1276: * when the previous section was empty.
1277: */
1278: if (n->prev == NULL ||
1.221 schwarze 1279: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1280: (n->prev->body != NULL &&
1281: n->prev->body->child != NULL))
1282: term_vspace(p);
1.52 schwarze 1283: break;
1.213 schwarze 1284: case ROFFT_HEAD:
1.65 schwarze 1285: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1286: break;
1.213 schwarze 1287: case ROFFT_BODY:
1.140 schwarze 1288: p->offset = term_len(p, p->defindent);
1.221 schwarze 1289: switch (n->sec) {
1290: case SEC_DESCRIPTION:
1291: fn_prio = 0;
1292: break;
1293: case SEC_AUTHORS:
1.141 schwarze 1294: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1295: break;
1296: default:
1297: break;
1298: }
1.1 kristaps 1299: break;
1300: default:
1301: break;
1302: }
1.227 schwarze 1303: return 1;
1.1 kristaps 1304: }
1305:
1306: static void
1307: termp_sh_post(DECL_ARGS)
1308: {
1309:
1.60 schwarze 1310: switch (n->type) {
1.213 schwarze 1311: case ROFFT_HEAD:
1.1 kristaps 1312: term_newln(p);
1313: break;
1.213 schwarze 1314: case ROFFT_BODY:
1.1 kristaps 1315: term_newln(p);
1316: p->offset = 0;
1317: break;
1318: default:
1319: break;
1320: }
1321: }
1322:
1323: static void
1324: termp_lb_post(DECL_ARGS)
1325: {
1326:
1.237 schwarze 1327: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1328: term_newln(p);
1.1 kristaps 1329: }
1330:
1331: static int
1332: termp_d1_pre(DECL_ARGS)
1333: {
1334:
1.213 schwarze 1335: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1336: return 1;
1.1 kristaps 1337: term_newln(p);
1.140 schwarze 1338: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1339: return 1;
1.1 kristaps 1340: }
1341:
1342: static int
1343: termp_ft_pre(DECL_ARGS)
1344: {
1345:
1.237 schwarze 1346: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1347: synopsis_pre(p, n);
1.65 schwarze 1348: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1349: return 1;
1.1 kristaps 1350: }
1351:
1352: static int
1353: termp_fn_pre(DECL_ARGS)
1354: {
1.159 schwarze 1355: size_t rmargin = 0;
1.132 schwarze 1356: int pretty;
1357:
1.237 schwarze 1358: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1359:
1.86 schwarze 1360: synopsis_pre(p, n);
1.85 schwarze 1361:
1.132 schwarze 1362: if (NULL == (n = n->child))
1.227 schwarze 1363: return 0;
1.132 schwarze 1364:
1.153 schwarze 1365: if (pretty) {
1366: rmargin = p->rmargin;
1.159 schwarze 1367: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1368: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1369: }
1370:
1.213 schwarze 1371: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1372: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1373: term_word(p, n->string);
1.65 schwarze 1374: term_fontpop(p);
1.1 kristaps 1375:
1.235 schwarze 1376: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1377: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1378:
1.153 schwarze 1379: if (pretty) {
1380: term_flushln(p);
1.165 schwarze 1381: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1382: p->offset = p->rmargin;
1383: p->rmargin = rmargin;
1384: }
1385:
1.1 kristaps 1386: p->flags |= TERMP_NOSPACE;
1387: term_word(p, "(");
1.132 schwarze 1388: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1389:
1.132 schwarze 1390: for (n = n->next; n; n = n->next) {
1.213 schwarze 1391: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1392: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1393: if (pretty)
1394: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1395: term_word(p, n->string);
1.65 schwarze 1396: term_fontpop(p);
1397:
1.132 schwarze 1398: if (n->next) {
1399: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1400: term_word(p, ",");
1.132 schwarze 1401: }
1.1 kristaps 1402: }
1403:
1.132 schwarze 1404: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1405: term_word(p, ")");
1406:
1.132 schwarze 1407: if (pretty) {
1408: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1409: term_word(p, ";");
1.153 schwarze 1410: term_flushln(p);
1.132 schwarze 1411: }
1.1 kristaps 1412:
1.227 schwarze 1413: return 0;
1.1 kristaps 1414: }
1415:
1416: static int
1417: termp_fa_pre(DECL_ARGS)
1418: {
1.214 schwarze 1419: const struct roff_node *nn;
1.1 kristaps 1420:
1.60 schwarze 1421: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1422: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1423: return 1;
1.1 kristaps 1424: }
1425:
1.60 schwarze 1426: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1427: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1428: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1429: term_word(p, nn->string);
1.65 schwarze 1430: term_fontpop(p);
1431:
1.158 schwarze 1432: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1433: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1434: term_word(p, ",");
1.132 schwarze 1435: }
1.1 kristaps 1436: }
1437:
1.227 schwarze 1438: return 0;
1.1 kristaps 1439: }
1440:
1441: static int
1442: termp_bd_pre(DECL_ARGS)
1443: {
1.174 schwarze 1444: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1445: struct roff_node *nn;
1.201 schwarze 1446: int offset;
1.1 kristaps 1447:
1.213 schwarze 1448: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1449: print_bvspace(p, n, n);
1.227 schwarze 1450: return 1;
1.213 schwarze 1451: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1452: return 0;
1.1 kristaps 1453:
1.187 schwarze 1454: /* Handle the -offset argument. */
1455:
1456: if (n->norm->Bd.offs == NULL ||
1457: ! strcmp(n->norm->Bd.offs, "left"))
1458: /* nothing */;
1459: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1460: p->offset += term_len(p, p->defindent + 1);
1461: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1462: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1463: else {
1464: offset = a2width(p, n->norm->Bd.offs);
1465: if (offset < 0 && (size_t)(-offset) > p->offset)
1466: p->offset = 0;
1467: else if (offset < SHRT_MAX)
1468: p->offset += offset;
1469: }
1.60 schwarze 1470:
1471: /*
1472: * If -ragged or -filled are specified, the block does nothing
1473: * but change the indentation. If -unfilled or -literal are
1474: * specified, text is printed exactly as entered in the display:
1475: * for macro lines, a newline is appended to the line. Blank
1476: * lines are allowed.
1477: */
1.166 schwarze 1478:
1479: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1480: DISP_unfilled != n->norm->Bd.type &&
1481: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1482: return 1;
1.1 kristaps 1483:
1.75 schwarze 1484: tabwidth = p->tabwidth;
1.123 schwarze 1485: if (DISP_literal == n->norm->Bd.type)
1486: p->tabwidth = term_len(p, 8);
1487:
1.174 schwarze 1488: lm = p->offset;
1.77 schwarze 1489: rm = p->rmargin;
1490: rmax = p->maxrmargin;
1491: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1492:
1.60 schwarze 1493: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1494: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1495: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1496: len = term_strlen(p, nn->string);
1497: p->offset = len >= rm ? 0 :
1498: lm + len >= rm ? rm - len :
1499: (lm + rm - len) / 2;
1500: } else
1501: p->offset = lm;
1502: }
1.147 schwarze 1503: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1504: /*
1505: * If the printed node flushes its own line, then we
1506: * needn't do it here as well. This is hacky, but the
1507: * notion of selective eoln whitespace is pretty dumb
1508: * anyway, so don't sweat it.
1509: */
1510: switch (nn->tok) {
1.166 schwarze 1511: case MDOC_Sm:
1.250 schwarze 1512: case ROFF_br:
1.166 schwarze 1513: case MDOC_sp:
1514: case MDOC_Bl:
1515: case MDOC_D1:
1516: case MDOC_Dl:
1517: case MDOC_Lp:
1518: case MDOC_Pp:
1.108 schwarze 1519: continue;
1520: default:
1521: break;
1522: }
1.198 schwarze 1523: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1524: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1525: continue;
1526: term_flushln(p);
1.48 schwarze 1527: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1528: }
1.88 schwarze 1529:
1.75 schwarze 1530: p->tabwidth = tabwidth;
1.77 schwarze 1531: p->rmargin = rm;
1532: p->maxrmargin = rmax;
1.227 schwarze 1533: return 0;
1.1 kristaps 1534: }
1535:
1536: static void
1537: termp_bd_post(DECL_ARGS)
1538: {
1.77 schwarze 1539: size_t rm, rmax;
1.1 kristaps 1540:
1.213 schwarze 1541: if (n->type != ROFFT_BODY)
1.1 kristaps 1542: return;
1.77 schwarze 1543:
1544: rm = p->rmargin;
1545: rmax = p->maxrmargin;
1546:
1.166 schwarze 1547: if (DISP_literal == n->norm->Bd.type ||
1548: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1549: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1550:
1.48 schwarze 1551: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1552: term_newln(p);
1.77 schwarze 1553:
1554: p->rmargin = rm;
1555: p->maxrmargin = rmax;
1.1 kristaps 1556: }
1557:
1558: static int
1.26 schwarze 1559: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1560: {
1.238 schwarze 1561: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1562: p->flags |= TERMP_PREKEEP;
1563: return 1;
1564: }
1.1 kristaps 1565:
1.238 schwarze 1566: static void
1567: termp_xx_post(DECL_ARGS)
1568: {
1569: if (n->aux == 0)
1570: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1571: }
1572:
1573: static void
1574: termp_pf_post(DECL_ARGS)
1575: {
1576:
1.237 schwarze 1577: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1578: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1579: }
1580:
1581: static int
1582: termp_ss_pre(DECL_ARGS)
1583: {
1.236 schwarze 1584: struct roff_node *nn;
1.1 kristaps 1585:
1.60 schwarze 1586: switch (n->type) {
1.213 schwarze 1587: case ROFFT_BLOCK:
1.1 kristaps 1588: term_newln(p);
1.236 schwarze 1589: for (nn = n->prev; nn != NULL; nn = nn->prev)
1590: if ((nn->flags & NODE_NOPRT) == 0)
1591: break;
1592: if (nn != NULL)
1.1 kristaps 1593: term_vspace(p);
1594: break;
1.213 schwarze 1595: case ROFFT_HEAD:
1.65 schwarze 1596: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1597: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1598: break;
1.213 schwarze 1599: case ROFFT_BODY:
1.176 schwarze 1600: p->offset = term_len(p, p->defindent);
1601: break;
1.1 kristaps 1602: default:
1603: break;
1604: }
1605:
1.227 schwarze 1606: return 1;
1.1 kristaps 1607: }
1608:
1609: static void
1610: termp_ss_post(DECL_ARGS)
1611: {
1612:
1.213 schwarze 1613: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1614: term_newln(p);
1615: }
1616:
1617: static int
1618: termp_cd_pre(DECL_ARGS)
1619: {
1620:
1.86 schwarze 1621: synopsis_pre(p, n);
1.65 schwarze 1622: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1623: return 1;
1.1 kristaps 1624: }
1625:
1626: static int
1627: termp_in_pre(DECL_ARGS)
1628: {
1629:
1.86 schwarze 1630: synopsis_pre(p, n);
1.85 schwarze 1631:
1.237 schwarze 1632: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1633: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1634: term_word(p, "#include");
1.85 schwarze 1635: term_word(p, "<");
1636: } else {
1637: term_word(p, "<");
1638: term_fontpush(p, TERMFONT_UNDER);
1639: }
1.23 schwarze 1640:
1.1 kristaps 1641: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1642: return 1;
1.1 kristaps 1643: }
1644:
1645: static void
1646: termp_in_post(DECL_ARGS)
1647: {
1648:
1.237 schwarze 1649: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1650: term_fontpush(p, TERMFONT_BOLD);
1651:
1.59 schwarze 1652: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1653: term_word(p, ">");
1654:
1.237 schwarze 1655: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1656: term_fontpop(p);
1.38 schwarze 1657: }
1658:
1659: static int
1660: termp_sp_pre(DECL_ARGS)
1661: {
1.199 schwarze 1662: struct roffsu su;
1.211 schwarze 1663: int i, len;
1.38 schwarze 1664:
1.60 schwarze 1665: switch (n->tok) {
1.166 schwarze 1666: case MDOC_sp:
1.199 schwarze 1667: if (n->child) {
1668: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1669: su.scale = 1.0;
1670: len = term_vspan(p, &su);
1671: } else
1672: len = 1;
1.54 schwarze 1673: break;
1.250 schwarze 1674: case ROFF_br:
1.54 schwarze 1675: len = 0;
1676: break;
1677: default:
1678: len = 1;
1.221 schwarze 1679: fn_prio = 0;
1.54 schwarze 1680: break;
1.38 schwarze 1681: }
1682:
1683: if (0 == len)
1684: term_newln(p);
1.211 schwarze 1685: else if (len < 0)
1686: p->skipvsp -= len;
1687: else
1688: for (i = 0; i < len; i++)
1689: term_vspace(p);
1.38 schwarze 1690:
1.227 schwarze 1691: return 0;
1.38 schwarze 1692: }
1693:
1694: static int
1.193 schwarze 1695: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1696: {
1697:
1.227 schwarze 1698: return 0;
1.170 schwarze 1699: }
1700:
1701: static int
1.107 schwarze 1702: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1703: {
1704:
1.213 schwarze 1705: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1706: return 1;
1.1 kristaps 1707:
1.107 schwarze 1708: switch (n->tok) {
1.166 schwarze 1709: case MDOC_Ao:
1710: case MDOC_Aq:
1.230 schwarze 1711: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1712: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1713: break;
1.166 schwarze 1714: case MDOC_Bro:
1715: case MDOC_Brq:
1.107 schwarze 1716: term_word(p, "{");
1717: break;
1.166 schwarze 1718: case MDOC_Oo:
1719: case MDOC_Op:
1720: case MDOC_Bo:
1721: case MDOC_Bq:
1.107 schwarze 1722: term_word(p, "[");
1723: break;
1.245 schwarze 1724: case MDOC__T:
1725: /* FALLTHROUGH */
1.166 schwarze 1726: case MDOC_Do:
1727: case MDOC_Dq:
1.210 schwarze 1728: term_word(p, "\\(Lq");
1.107 schwarze 1729: break;
1.170 schwarze 1730: case MDOC_En:
1731: if (NULL == n->norm->Es ||
1732: NULL == n->norm->Es->child)
1.227 schwarze 1733: return 1;
1.170 schwarze 1734: term_word(p, n->norm->Es->child->string);
1735: break;
1.166 schwarze 1736: case MDOC_Po:
1737: case MDOC_Pq:
1.107 schwarze 1738: term_word(p, "(");
1739: break;
1.166 schwarze 1740: case MDOC_Qo:
1741: case MDOC_Qq:
1.107 schwarze 1742: term_word(p, "\"");
1743: break;
1.166 schwarze 1744: case MDOC_Ql:
1745: case MDOC_So:
1746: case MDOC_Sq:
1.151 schwarze 1747: term_word(p, "\\(oq");
1.107 schwarze 1748: break;
1749: default:
1750: abort();
1751: }
1.1 kristaps 1752:
1753: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1754: return 1;
1.1 kristaps 1755: }
1756:
1757: static void
1.107 schwarze 1758: termp_quote_post(DECL_ARGS)
1.1 kristaps 1759: {
1760:
1.213 schwarze 1761: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1762: return;
1763:
1.205 schwarze 1764: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1765:
1.107 schwarze 1766: switch (n->tok) {
1.166 schwarze 1767: case MDOC_Ao:
1768: case MDOC_Aq:
1.230 schwarze 1769: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1770: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1771: break;
1.166 schwarze 1772: case MDOC_Bro:
1773: case MDOC_Brq:
1.107 schwarze 1774: term_word(p, "}");
1775: break;
1.166 schwarze 1776: case MDOC_Oo:
1777: case MDOC_Op:
1778: case MDOC_Bo:
1779: case MDOC_Bq:
1.107 schwarze 1780: term_word(p, "]");
1781: break;
1.245 schwarze 1782: case MDOC__T:
1783: /* FALLTHROUGH */
1.166 schwarze 1784: case MDOC_Do:
1785: case MDOC_Dq:
1.210 schwarze 1786: term_word(p, "\\(Rq");
1.170 schwarze 1787: break;
1788: case MDOC_En:
1.205 schwarze 1789: if (n->norm->Es == NULL ||
1790: n->norm->Es->child == NULL ||
1791: n->norm->Es->child->next == NULL)
1792: p->flags &= ~TERMP_NOSPACE;
1793: else
1.170 schwarze 1794: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1795: break;
1.166 schwarze 1796: case MDOC_Po:
1797: case MDOC_Pq:
1.107 schwarze 1798: term_word(p, ")");
1799: break;
1.166 schwarze 1800: case MDOC_Qo:
1801: case MDOC_Qq:
1.107 schwarze 1802: term_word(p, "\"");
1803: break;
1.166 schwarze 1804: case MDOC_Ql:
1805: case MDOC_So:
1806: case MDOC_Sq:
1.151 schwarze 1807: term_word(p, "\\(cq");
1.107 schwarze 1808: break;
1809: default:
1810: abort();
1811: }
1.205 schwarze 1812: }
1813:
1814: static int
1815: termp_eo_pre(DECL_ARGS)
1816: {
1817:
1.213 schwarze 1818: if (n->type != ROFFT_BODY)
1.227 schwarze 1819: return 1;
1.205 schwarze 1820:
1821: if (n->end == ENDBODY_NOT &&
1822: n->parent->head->child == NULL &&
1823: n->child != NULL &&
1824: n->child->end != ENDBODY_NOT)
1825: term_word(p, "\\&");
1826: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1827: n->parent->head->child != NULL && (n->child != NULL ||
1828: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1829: p->flags |= TERMP_NOSPACE;
1830:
1.227 schwarze 1831: return 1;
1.205 schwarze 1832: }
1833:
1834: static void
1835: termp_eo_post(DECL_ARGS)
1836: {
1837: int body, tail;
1838:
1.213 schwarze 1839: if (n->type != ROFFT_BODY)
1.205 schwarze 1840: return;
1841:
1842: if (n->end != ENDBODY_NOT) {
1843: p->flags &= ~TERMP_NOSPACE;
1844: return;
1845: }
1846:
1847: body = n->child != NULL || n->parent->head->child != NULL;
1848: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1849:
1850: if (body && tail)
1851: p->flags |= TERMP_NOSPACE;
1852: else if ( ! (body || tail))
1853: term_word(p, "\\&");
1854: else if ( ! tail)
1855: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1856: }
1857:
1858: static int
1859: termp_fo_pre(DECL_ARGS)
1860: {
1.159 schwarze 1861: size_t rmargin = 0;
1.158 schwarze 1862: int pretty;
1863:
1.237 schwarze 1864: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1865:
1.213 schwarze 1866: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1867: synopsis_pre(p, n);
1.227 schwarze 1868: return 1;
1.213 schwarze 1869: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1870: if (pretty) {
1871: rmargin = p->rmargin;
1.159 schwarze 1872: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1873: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1874: TERMP_HANG;
1.158 schwarze 1875: }
1.31 schwarze 1876: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1877: term_word(p, "(");
1.132 schwarze 1878: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1879: if (pretty) {
1880: term_flushln(p);
1.165 schwarze 1881: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1882: TERMP_HANG);
1.158 schwarze 1883: p->offset = p->rmargin;
1884: p->rmargin = rmargin;
1885: }
1.227 schwarze 1886: return 1;
1.158 schwarze 1887: }
1.85 schwarze 1888:
1.95 schwarze 1889: if (NULL == n->child)
1.227 schwarze 1890: return 0;
1.95 schwarze 1891:
1.85 schwarze 1892: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1893:
1.85 schwarze 1894: assert(n->child->string);
1.65 schwarze 1895: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1896: term_word(p, n->child->string);
1.227 schwarze 1897: return 0;
1.1 kristaps 1898: }
1899:
1900: static void
1901: termp_fo_post(DECL_ARGS)
1902: {
1903:
1.213 schwarze 1904: if (n->type != ROFFT_BODY)
1.86 schwarze 1905: return;
1906:
1.132 schwarze 1907: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1908: term_word(p, ")");
1909:
1.237 schwarze 1910: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1911: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1912: term_word(p, ";");
1.158 schwarze 1913: term_flushln(p);
1.132 schwarze 1914: }
1.1 kristaps 1915: }
1916:
1917: static int
1918: termp_bf_pre(DECL_ARGS)
1919: {
1920:
1.213 schwarze 1921: if (n->type == ROFFT_HEAD)
1.227 schwarze 1922: return 0;
1.213 schwarze 1923: else if (n->type != ROFFT_BODY)
1.227 schwarze 1924: return 1;
1.1 kristaps 1925:
1.166 schwarze 1926: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1927: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1928: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1929: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1930: else
1.65 schwarze 1931: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1932:
1.227 schwarze 1933: return 1;
1.1 kristaps 1934: }
1935:
1936: static int
1937: termp_sm_pre(DECL_ARGS)
1938: {
1939:
1.171 schwarze 1940: if (NULL == n->child)
1941: p->flags ^= TERMP_NONOSPACE;
1942: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1943: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1944: else
1.1 kristaps 1945: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1946:
1947: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1948: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1949:
1.227 schwarze 1950: return 0;
1.1 kristaps 1951: }
1952:
1953: static int
1954: termp_ap_pre(DECL_ARGS)
1955: {
1956:
1957: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1958: term_word(p, "'");
1.1 kristaps 1959: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1960: return 1;
1.1 kristaps 1961: }
1962:
1963: static void
1964: termp____post(DECL_ARGS)
1965: {
1.104 schwarze 1966:
1967: /*
1968: * Handle lists of authors. In general, print each followed by
1969: * a comma. Don't print the comma if there are only two
1970: * authors.
1971: */
1972: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1973: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1974: if (NULL == n->prev || MDOC__A != n->prev->tok)
1975: return;
1.1 kristaps 1976:
1.62 schwarze 1977: /* TODO: %U. */
1978:
1.106 schwarze 1979: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1980: return;
1981:
1.132 schwarze 1982: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1983: if (NULL == n->next) {
1984: term_word(p, ".");
1985: p->flags |= TERMP_SENTENCE;
1986: } else
1987: term_word(p, ",");
1.1 kristaps 1988: }
1989:
1990: static int
1.65 schwarze 1991: termp_li_pre(DECL_ARGS)
1992: {
1993:
1.234 schwarze 1994: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1995: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1996: return 1;
1.65 schwarze 1997: }
1998:
1999: static int
1.1 kristaps 2000: termp_lk_pre(DECL_ARGS)
2001: {
1.214 schwarze 2002: const struct roff_node *link, *descr;
1.247 schwarze 2003: int display;
1.1 kristaps 2004:
1.248 schwarze 2005: if ((link = n->child) == NULL)
1.227 schwarze 2006: return 0;
1.101 schwarze 2007:
1.248 schwarze 2008: /* Link text. */
2009: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2010: term_fontpush(p, TERMFONT_UNDER);
1.248 schwarze 2011: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2012: term_word(p, descr->string);
2013: descr = descr->next;
2014: }
1.246 schwarze 2015: term_fontpop(p);
1.142 schwarze 2016: p->flags |= TERMP_NOSPACE;
2017: term_word(p, ":");
2018: }
1.1 kristaps 2019:
1.248 schwarze 2020: /* Link target. */
1.247 schwarze 2021: display = term_strlen(p, link->string) >= 26;
2022: if (display) {
2023: term_newln(p);
2024: p->offset += term_len(p, p->defindent + 1);
2025: }
1.65 schwarze 2026: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2027: term_word(p, link->string);
1.65 schwarze 2028: term_fontpop(p);
1.247 schwarze 2029:
1.248 schwarze 2030: /* Trailing punctuation. */
2031: while (descr != NULL) {
2032: p->flags |= TERMP_NOSPACE;
2033: term_word(p, descr->string);
2034: descr = descr->next;
2035: }
1.247 schwarze 2036: if (display)
2037: term_newln(p);
1.227 schwarze 2038: return 0;
1.1 kristaps 2039: }
2040:
1.90 schwarze 2041: static int
2042: termp_bk_pre(DECL_ARGS)
2043: {
2044:
1.91 schwarze 2045: switch (n->type) {
1.213 schwarze 2046: case ROFFT_BLOCK:
1.95 schwarze 2047: break;
1.213 schwarze 2048: case ROFFT_HEAD:
1.227 schwarze 2049: return 0;
1.213 schwarze 2050: case ROFFT_BODY:
1.230 schwarze 2051: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2052: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2053: break;
1.91 schwarze 2054: default:
2055: abort();
2056: }
1.95 schwarze 2057:
1.227 schwarze 2058: return 1;
1.90 schwarze 2059: }
2060:
2061: static void
2062: termp_bk_post(DECL_ARGS)
2063: {
2064:
1.213 schwarze 2065: if (n->type == ROFFT_BODY)
1.91 schwarze 2066: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2067: }
1.120 schwarze 2068:
2069: static void
2070: termp__t_post(DECL_ARGS)
2071: {
2072:
2073: /*
2074: * If we're in an `Rs' and there's a journal present, then quote
2075: * us instead of underlining us (for disambiguation).
2076: */
1.121 schwarze 2077: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2078: n->parent->norm->Rs.quote_T)
1.147 schwarze 2079: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2080:
1.147 schwarze 2081: termp____post(p, pair, meta, n);
1.120 schwarze 2082: }
2083:
2084: static int
2085: termp__t_pre(DECL_ARGS)
2086: {
2087:
2088: /*
2089: * If we're in an `Rs' and there's a journal present, then quote
2090: * us instead of underlining us (for disambiguation).
2091: */
1.121 schwarze 2092: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2093: n->parent->norm->Rs.quote_T)
1.227 schwarze 2094: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2095:
2096: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2097: return 1;
1.121 schwarze 2098: }
1.1 kristaps 2099:
2100: static int
1.54 schwarze 2101: termp_under_pre(DECL_ARGS)
1.1 kristaps 2102: {
2103:
1.65 schwarze 2104: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2105: return 1;
2106: }
2107:
2108: static int
2109: termp_em_pre(DECL_ARGS)
2110: {
2111: if (n->child != NULL &&
2112: n->child->type == ROFFT_TEXT)
2113: tag_put(n->child->string, 0, p->line);
2114: term_fontpush(p, TERMFONT_UNDER);
2115: return 1;
2116: }
2117:
2118: static int
2119: termp_sy_pre(DECL_ARGS)
2120: {
2121: if (n->child != NULL &&
2122: n->child->type == ROFFT_TEXT)
2123: tag_put(n->child->string, 0, p->line);
2124: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2125: return 1;
1.222 schwarze 2126: }
2127:
2128: static int
2129: termp_er_pre(DECL_ARGS)
2130: {
2131:
2132: if (n->sec == SEC_ERRORS &&
2133: (n->parent->tok == MDOC_It ||
2134: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2135: n->parent->parent->parent->tok == MDOC_It)))
2136: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2137: return 1;
1.219 schwarze 2138: }
2139:
2140: static int
2141: termp_tag_pre(DECL_ARGS)
2142: {
2143:
2144: if (n->child != NULL &&
2145: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2146: (n->prev == NULL ||
2147: (n->prev->type == ROFFT_TEXT &&
2148: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2149: (n->parent->tok == MDOC_It ||
2150: (n->parent->tok == MDOC_Xo &&
2151: n->parent->parent->prev == NULL &&
1.223 schwarze 2152: n->parent->parent->parent->tok == MDOC_It)))
2153: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2154: return 1;
1.1 kristaps 2155: }
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