Annotation of mandoc/mdoc_term.c, Revision 1.353
1.353 ! schwarze 1: /* $Id: mdoc_term.c,v 1.352 2017/05/04 22:16:09 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.339 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.314 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6 kristaps 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6 kristaps 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.302 schwarze 25: #include <limits.h>
1.118 kristaps 26: #include <stdint.h>
1.1 kristaps 27: #include <stdio.h>
28: #include <stdlib.h>
29: #include <string.h>
30:
1.314 schwarze 31: #include "mandoc_aux.h"
1.125 kristaps 32: #include "mandoc.h"
1.314 schwarze 33: #include "roff.h"
34: #include "mdoc.h"
1.92 kristaps 35: #include "out.h"
1.1 kristaps 36: #include "term.h"
1.320 schwarze 37: #include "tag.h"
1.89 kristaps 38: #include "main.h"
1.1 kristaps 39:
40: struct termpair {
41: struct termpair *ppair;
1.31 kristaps 42: int count;
1.1 kristaps 43: };
44:
1.31 kristaps 45: #define DECL_ARGS struct termp *p, \
46: struct termpair *pair, \
1.316 schwarze 47: const struct roff_meta *meta, \
1.315 schwarze 48: struct roff_node *n
1.1 kristaps 49:
50: struct termact {
51: int (*pre)(DECL_ARGS);
52: void (*post)(DECL_ARGS);
53: };
54:
1.302 schwarze 55: static int a2width(const struct termp *, const char *);
1.96 kristaps 56:
57: static void print_bvspace(struct termp *,
1.315 schwarze 58: const struct roff_node *,
59: const struct roff_node *);
1.264 schwarze 60: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 61: static void print_mdoc_nodelist(DECL_ARGS);
1.316 schwarze 62: static void print_mdoc_head(struct termp *, const struct roff_meta *);
63: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264 schwarze 64: static void synopsis_pre(struct termp *,
1.315 schwarze 65: const struct roff_node *);
1.96 kristaps 66:
1.31 kristaps 67: static void termp____post(DECL_ARGS);
1.203 kristaps 68: static void termp__t_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.306 schwarze 72: static void termp_eo_post(DECL_ARGS);
1.241 schwarze 73: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 74: static void termp_fo_post(DECL_ARGS);
75: static void termp_in_post(DECL_ARGS);
76: static void termp_it_post(DECL_ARGS);
77: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 78: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 79: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 80: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 81: static void termp_sh_post(DECL_ARGS);
82: static void termp_ss_post(DECL_ARGS);
1.339 schwarze 83: static void termp_xx_post(DECL_ARGS);
1.31 kristaps 84:
1.184 kristaps 85: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 86: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.306 schwarze 96: static int termp_eo_pre(DECL_ARGS);
1.334 schwarze 97: static int termp_em_pre(DECL_ARGS);
1.323 schwarze 98: static int termp_er_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_ex_pre(DECL_ARGS);
100: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 101: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 102: static int termp_fl_pre(DECL_ARGS);
103: static int termp_fn_pre(DECL_ARGS);
104: static int termp_fo_pre(DECL_ARGS);
105: static int termp_ft_pre(DECL_ARGS);
106: static int termp_in_pre(DECL_ARGS);
107: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 108: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 109: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 110: static int termp_lk_pre(DECL_ARGS);
111: static int termp_nd_pre(DECL_ARGS);
112: static int termp_nm_pre(DECL_ARGS);
113: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 114: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 115: static int termp_rs_pre(DECL_ARGS);
116: static int termp_sh_pre(DECL_ARGS);
1.294 schwarze 117: static int termp_skip_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 119: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ss_pre(DECL_ARGS);
1.334 schwarze 121: static int termp_sy_pre(DECL_ARGS);
1.320 schwarze 122: static int termp_tag_pre(DECL_ARGS);
1.69 kristaps 123: static int termp_under_pre(DECL_ARGS);
1.110 kristaps 124: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 125: static int termp_xr_pre(DECL_ARGS);
126: static int termp_xx_pre(DECL_ARGS);
127:
1.350 schwarze 128: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 129: { NULL, NULL }, /* Dd */
130: { NULL, NULL }, /* Dt */
131: { NULL, NULL }, /* Os */
132: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 133: { termp_ss_pre, termp_ss_post }, /* Ss */
134: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 135: { termp_d1_pre, termp_bl_post }, /* D1 */
136: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 137: { termp_bd_pre, termp_bd_post }, /* Bd */
138: { NULL, NULL }, /* Ed */
1.115 kristaps 139: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 140: { NULL, NULL }, /* El */
141: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 142: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 143: { termp_an_pre, NULL }, /* An */
1.350 schwarze 144: { termp_ap_pre, NULL }, /* Ap */
1.69 kristaps 145: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 146: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 147: { termp_bold_pre, NULL }, /* Cm */
1.325 schwarze 148: { termp_li_pre, NULL }, /* Dv */
1.323 schwarze 149: { termp_er_pre, NULL }, /* Er */
1.320 schwarze 150: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 151: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 152: { termp_fa_pre, NULL }, /* Fa */
153: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 154: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 155: { termp_fn_pre, NULL }, /* Fn */
156: { termp_ft_pre, NULL }, /* Ft */
157: { termp_bold_pre, NULL }, /* Ic */
158: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 159: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 160: { termp_nd_pre, NULL }, /* Nd */
161: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 162: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 163: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Pa */
1.341 schwarze 165: { termp_ex_pre, NULL }, /* Rv */
1.264 schwarze 166: { NULL, NULL }, /* St */
1.69 kristaps 167: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 168: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 169: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 170: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 171: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 172: { NULL, termp____post }, /* %D */
1.84 kristaps 173: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 174: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 175: { NULL, termp____post }, /* %N */
176: { NULL, termp____post }, /* %O */
177: { NULL, termp____post }, /* %P */
178: { NULL, termp____post }, /* %R */
1.203 kristaps 179: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 180: { NULL, termp____post }, /* %V */
181: { NULL, NULL }, /* Ac */
1.188 kristaps 182: { termp_quote_pre, termp_quote_post }, /* Ao */
183: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 184: { NULL, NULL }, /* At */
1.1 kristaps 185: { NULL, NULL }, /* Bc */
1.264 schwarze 186: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 187: { termp_quote_pre, termp_quote_post }, /* Bo */
188: { termp_quote_pre, termp_quote_post }, /* Bq */
1.339 schwarze 189: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340 schwarze 190: { NULL, NULL }, /* Bx */
1.294 schwarze 191: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 192: { NULL, NULL }, /* Dc */
1.188 kristaps 193: { termp_quote_pre, termp_quote_post }, /* Do */
194: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 195: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 196: { NULL, NULL }, /* Ef */
1.334 schwarze 197: { termp_em_pre, NULL }, /* Em */
1.306 schwarze 198: { termp_eo_pre, termp_eo_post }, /* Eo */
1.339 schwarze 199: { termp_xx_pre, termp_xx_post }, /* Fx */
1.176 kristaps 200: { termp_bold_pre, NULL }, /* Ms */
1.290 schwarze 201: { termp_li_pre, NULL }, /* No */
1.1 kristaps 202: { termp_ns_pre, NULL }, /* Ns */
1.339 schwarze 203: { termp_xx_pre, termp_xx_post }, /* Nx */
204: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 205: { NULL, NULL }, /* Pc */
1.254 schwarze 206: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Po */
208: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 209: { NULL, NULL }, /* Qc */
1.188 kristaps 210: { termp_quote_pre, termp_quote_post }, /* Ql */
211: { termp_quote_pre, termp_quote_post }, /* Qo */
212: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 213: { NULL, NULL }, /* Re */
214: { termp_rs_pre, NULL }, /* Rs */
215: { NULL, NULL }, /* Sc */
1.188 kristaps 216: { termp_quote_pre, termp_quote_post }, /* So */
217: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 218: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 219: { termp_under_pre, NULL }, /* Sx */
1.334 schwarze 220: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 221: { NULL, NULL }, /* Tn */
1.339 schwarze 222: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 223: { NULL, NULL }, /* Xc */
224: { NULL, NULL }, /* Xo */
1.264 schwarze 225: { termp_fo_pre, termp_fo_post }, /* Fo */
226: { NULL, NULL }, /* Fc */
1.188 kristaps 227: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 228: { NULL, NULL }, /* Oc */
1.159 schwarze 229: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 230: { NULL, NULL }, /* Ek */
1.341 schwarze 231: { NULL, NULL }, /* Bt */
1.1 kristaps 232: { NULL, NULL }, /* Hf */
1.268 schwarze 233: { termp_under_pre, NULL }, /* Fr */
1.341 schwarze 234: { NULL, NULL }, /* Ud */
1.37 kristaps 235: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 236: { termp_sp_pre, NULL }, /* Lp */
237: { termp_lk_pre, NULL }, /* Lk */
238: { termp_under_pre, NULL }, /* Mt */
239: { termp_quote_pre, termp_quote_post }, /* Brq */
240: { termp_quote_pre, termp_quote_post }, /* Bro */
241: { NULL, NULL }, /* Brc */
242: { NULL, termp____post }, /* %C */
1.294 schwarze 243: { termp_skip_pre, NULL }, /* Es */
1.268 schwarze 244: { termp_quote_pre, termp_quote_post }, /* En */
1.339 schwarze 245: { termp_xx_pre, termp_xx_post }, /* Dx */
1.264 schwarze 246: { NULL, termp____post }, /* %Q */
247: { termp_sp_pre, NULL }, /* sp */
248: { NULL, termp____post }, /* %U */
249: { NULL, NULL }, /* Ta */
1.260 schwarze 250: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 251: };
1.350 schwarze 252: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 253:
1.322 schwarze 254: static int fn_prio;
1.1 kristaps 255:
1.350 schwarze 256:
1.70 kristaps 257: void
1.318 schwarze 258: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 259: {
1.315 schwarze 260: struct roff_node *n;
1.89 kristaps 261: struct termp *p;
1.342 schwarze 262: size_t save_defindent;
1.89 kristaps 263:
264: p = (struct termp *)arg;
1.111 kristaps 265: p->overstep = 0;
1.281 schwarze 266: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 267: p->tabwidth = term_len(p, 5);
1.70 kristaps 268:
1.319 schwarze 269: n = mdoc->first->child;
1.281 schwarze 270: if (p->synopsisonly) {
271: while (n != NULL) {
272: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
273: if (n->child->next->child != NULL)
274: print_mdoc_nodelist(p, NULL,
1.319 schwarze 275: &mdoc->meta,
276: n->child->next->child);
1.281 schwarze 277: term_newln(p);
278: break;
279: }
280: n = n->next;
281: }
282: } else {
1.342 schwarze 283: save_defindent = p->defindent;
1.281 schwarze 284: if (p->defindent == 0)
285: p->defindent = 5;
1.319 schwarze 286: term_begin(p, print_mdoc_head, print_mdoc_foot,
287: &mdoc->meta);
1.337 schwarze 288: while (n != NULL && n->flags & NODE_NOPRT)
289: n = n->next;
1.281 schwarze 290: if (n != NULL) {
291: if (n->tok != MDOC_Sh)
292: term_vspace(p);
1.319 schwarze 293: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 294: }
295: term_end(p);
1.342 schwarze 296: p->defindent = save_defindent;
1.271 schwarze 297: }
1.1 kristaps 298: }
299:
1.3 kristaps 300: static void
1.102 kristaps 301: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 302: {
303:
1.304 schwarze 304: while (n != NULL) {
305: print_mdoc_node(p, pair, meta, n);
306: n = n->next;
307: }
1.1 kristaps 308: }
309:
1.3 kristaps 310: static void
1.102 kristaps 311: print_mdoc_node(DECL_ARGS)
1.1 kristaps 312: {
1.102 kristaps 313: int chld;
1.1 kristaps 314: struct termpair npair;
1.30 kristaps 315: size_t offset, rmargin;
1.1 kristaps 316:
1.337 schwarze 317: if (n->flags & NODE_NOPRT)
318: return;
319:
1.70 kristaps 320: chld = 1;
1.29 kristaps 321: offset = p->offset;
1.30 kristaps 322: rmargin = p->rmargin;
1.338 schwarze 323: n->flags &= ~NODE_ENDED;
1.305 schwarze 324: n->prev_font = p->fonti;
1.29 kristaps 325:
1.97 kristaps 326: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 327: npair.ppair = pair;
1.172 kristaps 328:
329: /*
330: * Keeps only work until the end of a line. If a keep was
331: * invoked in a prior line, revert it to PREKEEP.
332: */
333:
1.338 schwarze 334: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 335: p->flags &= ~TERMP_KEEP;
336: p->flags |= TERMP_PREKEEP;
1.172 kristaps 337: }
1.197 schwarze 338:
339: /*
1.217 schwarze 340: * After the keep flags have been set up, we may now
341: * produce output. Note that some pre-handlers do so.
342: */
343:
344: switch (n->type) {
1.314 schwarze 345: case ROFFT_TEXT:
1.338 schwarze 346: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 347: term_newln(p);
1.338 schwarze 348: if (NODE_DELIMC & n->flags)
1.222 kristaps 349: p->flags |= TERMP_NOSPACE;
1.217 schwarze 350: term_word(p, n->string);
1.338 schwarze 351: if (NODE_DELIMO & n->flags)
1.222 kristaps 352: p->flags |= TERMP_NOSPACE;
1.217 schwarze 353: break;
1.314 schwarze 354: case ROFFT_EQN:
1.338 schwarze 355: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 356: p->flags |= TERMP_NOSPACE;
1.233 kristaps 357: term_eqn(p, n->eqn);
1.338 schwarze 358: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 359: p->flags |= TERMP_NOSPACE;
1.217 schwarze 360: break;
1.314 schwarze 361: case ROFFT_TBL:
1.313 schwarze 362: if (p->tbl.cols == NULL)
363: term_newln(p);
1.217 schwarze 364: term_tbl(p, n->span);
365: break;
366: default:
1.351 schwarze 367: if (n->tok < ROFF_MAX) {
1.352 schwarze 368: roff_term_pre(p, n);
1.353 ! schwarze 369: chld = 0;
1.351 schwarze 370: break;
371: }
372: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.350 schwarze 373: if (termacts[n->tok].pre != NULL &&
1.331 schwarze 374: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 375: chld = (*termacts[n->tok].pre)
1.245 schwarze 376: (p, &npair, meta, n);
1.217 schwarze 377: break;
378: }
379:
1.86 kristaps 380: if (chld && n->child)
1.245 schwarze 381: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 382:
1.244 schwarze 383: term_fontpopq(p,
1.310 schwarze 384: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 385:
1.206 kristaps 386: switch (n->type) {
1.314 schwarze 387: case ROFFT_TEXT:
1.206 kristaps 388: break;
1.314 schwarze 389: case ROFFT_TBL:
1.216 kristaps 390: break;
1.314 schwarze 391: case ROFFT_EQN:
1.206 kristaps 392: break;
393: default:
1.351 schwarze 394: if (n->tok < ROFF_MAX ||
395: termacts[n->tok].post == NULL ||
396: n->flags & NODE_ENDED)
1.206 kristaps 397: break;
1.245 schwarze 398: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 399:
400: /*
401: * Explicit end tokens not only call the post
402: * handler, but also tell the respective block
403: * that it must not call the post handler again.
404: */
1.165 kristaps 405: if (ENDBODY_NOT != n->end)
1.338 schwarze 406: n->body->flags |= NODE_ENDED;
1.206 kristaps 407: break;
1.162 schwarze 408: }
1.121 kristaps 409:
1.338 schwarze 410: if (NODE_EOS & n->flags)
1.121 kristaps 411: p->flags |= TERMP_SENTENCE;
1.29 kristaps 412:
1.260 schwarze 413: if (MDOC_ll != n->tok) {
414: p->offset = offset;
415: p->rmargin = rmargin;
416: }
1.1 kristaps 417: }
418:
1.3 kristaps 419: static void
1.316 schwarze 420: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 421: {
1.292 schwarze 422: size_t sz;
1.144 kristaps 423:
1.102 kristaps 424: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 425:
1.264 schwarze 426: /*
1.9 kristaps 427: * Output the footer in new-groff style, that is, three columns
428: * with the middle being the manual date and flanking columns
429: * being the operating system:
430: *
431: * SYSTEM DATE SYSTEM
432: */
433:
1.1 kristaps 434: term_vspace(p);
435:
1.9 kristaps 436: p->offset = 0;
1.292 schwarze 437: sz = term_strlen(p, meta->date);
438: p->rmargin = p->maxrmargin > sz ?
439: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 440: p->trailspace = 1;
1.1 kristaps 441: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
442:
1.245 schwarze 443: term_word(p, meta->os);
1.1 kristaps 444: term_flushln(p);
445:
1.9 kristaps 446: p->offset = p->rmargin;
1.292 schwarze 447: sz = term_strlen(p, meta->os);
448: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 449: p->flags |= TERMP_NOSPACE;
1.9 kristaps 450:
1.245 schwarze 451: term_word(p, meta->date);
1.9 kristaps 452: term_flushln(p);
453:
1.1 kristaps 454: p->offset = p->rmargin;
455: p->rmargin = p->maxrmargin;
1.250 schwarze 456: p->trailspace = 0;
1.1 kristaps 457: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 458: p->flags |= TERMP_NOSPACE;
1.1 kristaps 459:
1.245 schwarze 460: term_word(p, meta->os);
1.1 kristaps 461: term_flushln(p);
462:
1.9 kristaps 463: p->offset = 0;
464: p->rmargin = p->maxrmargin;
465: p->flags = 0;
1.1 kristaps 466: }
467:
1.3 kristaps 468: static void
1.316 schwarze 469: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 470: {
1.267 schwarze 471: char *volume, *title;
472: size_t vollen, titlen;
1.1 kristaps 473:
474: /*
475: * The header is strange. It has three components, which are
476: * really two with the first duplicated. It goes like this:
477: *
478: * IDENTIFIER TITLE IDENTIFIER
479: *
480: * The IDENTIFIER is NAME(SECTION), which is the command-name
481: * (if given, or "unknown" if not) followed by the manual page
482: * section. These are given in `Dt'. The TITLE is a free-form
483: * string depending on the manual volume. If not specified, it
484: * switches on the manual section.
485: */
1.235 schwarze 486:
1.245 schwarze 487: assert(meta->vol);
1.267 schwarze 488: if (NULL == meta->arch)
489: volume = mandoc_strdup(meta->vol);
490: else
491: mandoc_asprintf(&volume, "%s (%s)",
492: meta->vol, meta->arch);
493: vollen = term_strlen(p, volume);
1.1 kristaps 494:
1.275 schwarze 495: if (NULL == meta->msec)
496: title = mandoc_strdup(meta->title);
497: else
498: mandoc_asprintf(&title, "%s(%s)",
499: meta->title, meta->msec);
1.235 schwarze 500: titlen = term_strlen(p, title);
1.1 kristaps 501:
1.235 schwarze 502: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 503: p->trailspace = 1;
1.1 kristaps 504: p->offset = 0;
1.267 schwarze 505: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
506: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 507: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 508:
509: term_word(p, title);
510: term_flushln(p);
511:
1.235 schwarze 512: p->flags |= TERMP_NOSPACE;
1.1 kristaps 513: p->offset = p->rmargin;
1.267 schwarze 514: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 515: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 516:
1.267 schwarze 517: term_word(p, volume);
1.1 kristaps 518: term_flushln(p);
519:
520: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 521: p->trailspace = 0;
1.235 schwarze 522: if (p->rmargin + titlen <= p->maxrmargin) {
523: p->flags |= TERMP_NOSPACE;
524: p->offset = p->rmargin;
525: p->rmargin = p->maxrmargin;
526: term_word(p, title);
527: term_flushln(p);
528: }
1.1 kristaps 529:
1.235 schwarze 530: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 531: p->offset = 0;
1.1 kristaps 532: p->rmargin = p->maxrmargin;
1.266 schwarze 533: free(title);
1.267 schwarze 534: free(volume);
1.1 kristaps 535: }
536:
1.302 schwarze 537: static int
1.157 kristaps 538: a2width(const struct termp *p, const char *v)
1.91 kristaps 539: {
1.92 kristaps 540: struct roffsu su;
1.1 kristaps 541:
1.300 schwarze 542: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 543: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 544: su.scale /= term_strlen(p, "0");
1.302 schwarze 545: }
1.328 schwarze 546: return term_hspan(p, &su) / 24;
1.1 kristaps 547: }
548:
1.108 kristaps 549: /*
550: * Determine how much space to print out before block elements of `It'
551: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
552: * too.
553: */
1.54 kristaps 554: static void
1.264 schwarze 555: print_bvspace(struct termp *p,
1.315 schwarze 556: const struct roff_node *bl,
557: const struct roff_node *n)
1.1 kristaps 558: {
1.315 schwarze 559: const struct roff_node *nn;
1.236 schwarze 560:
561: assert(n);
1.1 kristaps 562:
563: term_newln(p);
1.150 kristaps 564:
1.202 kristaps 565: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 566: return;
1.202 kristaps 567: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 568: return;
569:
1.85 kristaps 570: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 571:
1.289 schwarze 572: nn = n;
1.337 schwarze 573: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
574: nn = nn->prev;
1.289 schwarze 575: while (nn->prev == NULL) {
576: do {
577: nn = nn->parent;
1.314 schwarze 578: if (nn->type == ROFFT_ROOT)
1.289 schwarze 579: return;
1.314 schwarze 580: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 581: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 582: return;
1.289 schwarze 583: if (nn->tok == MDOC_It &&
584: nn->parent->parent->norm->Bl.type != LIST_item)
585: break;
1.1 kristaps 586: }
587:
1.85 kristaps 588: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 589:
1.202 kristaps 590: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 591: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 592: return;
593:
1.85 kristaps 594: /* A `-diag' without body does not vspace. */
595:
1.202 kristaps 596: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 597: if (n->prev && MDOC_It == n->prev->tok) {
598: assert(n->prev->body);
599: if (NULL == n->prev->body->child)
1.55 kristaps 600: return;
601: }
602:
1.54 kristaps 603: term_vspace(p);
1.260 schwarze 604: }
605:
606:
607: static int
608: termp_ll_pre(DECL_ARGS)
609: {
610:
1.331 schwarze 611: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 612: return 0;
1.1 kristaps 613: }
614:
615: static int
616: termp_it_pre(DECL_ARGS)
617: {
1.345 schwarze 618: struct roffsu su;
1.302 schwarze 619: char buf[24];
1.315 schwarze 620: const struct roff_node *bl, *nn;
1.302 schwarze 621: size_t ncols, dcol;
622: int i, offset, width;
1.126 kristaps 623: enum mdoc_list type;
1.1 kristaps 624:
1.314 schwarze 625: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 626: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 627: return 1;
1.54 kristaps 628: }
1.1 kristaps 629:
1.86 kristaps 630: bl = n->parent->parent->parent;
1.202 kristaps 631: type = bl->norm->Bl.type;
1.1 kristaps 632:
1.264 schwarze 633: /*
1.302 schwarze 634: * Defaults for specific list types.
635: */
636:
637: switch (type) {
638: case LIST_bullet:
639: case LIST_dash:
640: case LIST_hyphen:
641: case LIST_enum:
642: width = term_len(p, 2);
643: break;
644: case LIST_hang:
1.332 schwarze 645: case LIST_tag:
1.302 schwarze 646: width = term_len(p, 8);
647: break;
648: case LIST_column:
649: width = term_len(p, 10);
650: break;
651: default:
652: width = 0;
653: break;
654: }
655: offset = 0;
656:
657: /*
1.108 kristaps 658: * First calculate width and offset. This is pretty easy unless
659: * we're a -column list, in which case all prior columns must
660: * be accounted for.
661: */
662:
1.302 schwarze 663: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 664: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 665: if (offset < 0 && (size_t)(-offset) > p->offset)
666: offset = -p->offset;
667: else if (offset > SHRT_MAX)
668: offset = 0;
669: }
1.152 kristaps 670:
1.1 kristaps 671: switch (type) {
1.264 schwarze 672: case LIST_column:
1.314 schwarze 673: if (n->type == ROFFT_HEAD)
1.1 kristaps 674: break;
1.155 kristaps 675:
1.105 kristaps 676: /*
1.108 kristaps 677: * Imitate groff's column handling:
678: * - For each earlier column, add its width.
679: * - For less than 5 columns, add four more blanks per
680: * column.
681: * - For exactly 5 columns, add three more blank per
682: * column.
683: * - For more than 5 columns, add only one column.
1.105 kristaps 684: */
1.202 kristaps 685: ncols = bl->norm->Bl.ncols;
1.264 schwarze 686: dcol = ncols < 5 ? term_len(p, 4) :
687: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 688:
1.134 kristaps 689: /*
1.314 schwarze 690: * Calculate the offset by applying all prior ROFFT_BODY,
691: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 692: */
693:
1.264 schwarze 694: for (i = 0, nn = n->prev;
695: nn->prev && i < (int)ncols;
1.345 schwarze 696: nn = nn->prev, i++) {
697: SCALE_HS_INIT(&su,
698: term_strlen(p, bl->norm->Bl.cols[i]));
699: su.scale /= term_strlen(p, "0");
700: offset += term_hspan(p, &su) / 24 + dcol;
701: }
1.105 kristaps 702:
703: /*
1.108 kristaps 704: * When exceeding the declared number of columns, leave
705: * the remaining widths at 0. This will later be
706: * adjusted to the default width of 10, or, for the last
707: * column, stretched to the right margin.
1.58 kristaps 708: */
1.108 kristaps 709: if (i >= (int)ncols)
710: break;
1.58 kristaps 711:
1.105 kristaps 712: /*
1.108 kristaps 713: * Use the declared column widths, extended as explained
714: * in the preceding paragraph.
1.105 kristaps 715: */
1.345 schwarze 716: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
717: su.scale /= term_strlen(p, "0");
718: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 719: break;
720: default:
1.202 kristaps 721: if (NULL == bl->norm->Bl.width)
1.108 kristaps 722: break;
723:
1.264 schwarze 724: /*
1.108 kristaps 725: * Note: buffer the width by 2, which is groff's magic
726: * number for buffering single arguments. See the above
727: * handling for column for how this changes.
728: */
1.202 kristaps 729: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 730: if (width < 0 && (size_t)(-width) > p->offset)
731: width = -p->offset;
732: else if (width > SHRT_MAX)
733: width = 0;
1.1 kristaps 734: break;
735: }
736:
1.264 schwarze 737: /*
1.17 kristaps 738: * Whitespace control. Inset bodies need an initial space,
739: * while diagonal bodies need two.
1.1 kristaps 740: */
741:
1.51 kristaps 742: p->flags |= TERMP_NOSPACE;
743:
1.1 kristaps 744: switch (type) {
1.264 schwarze 745: case LIST_diag:
1.314 schwarze 746: if (n->type == ROFFT_BODY)
1.62 kristaps 747: term_word(p, "\\ \\ ");
1.51 kristaps 748: break;
1.264 schwarze 749: case LIST_inset:
1.331 schwarze 750: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 751: term_word(p, "\\ ");
1.1 kristaps 752: break;
753: default:
754: break;
755: }
756:
1.51 kristaps 757: p->flags |= TERMP_NOSPACE;
758:
1.1 kristaps 759: switch (type) {
1.264 schwarze 760: case LIST_diag:
1.314 schwarze 761: if (n->type == ROFFT_HEAD)
1.102 kristaps 762: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 763: break;
764: default:
765: break;
766: }
767:
768: /*
1.109 kristaps 769: * Pad and break control. This is the tricky part. These flags
770: * are documented in term_flushln() in term.c. Note that we're
771: * going to unset all of these flags in termp_it_post() when we
772: * exit.
1.1 kristaps 773: */
774:
775: switch (type) {
1.264 schwarze 776: case LIST_enum:
1.329 schwarze 777: case LIST_bullet:
778: case LIST_dash:
779: case LIST_hyphen:
1.242 schwarze 780: /*
781: * Weird special case.
1.302 schwarze 782: * Some very narrow lists actually hang.
1.242 schwarze 783: */
1.302 schwarze 784: if (width <= (int)term_len(p, 2))
785: p->flags |= TERMP_HANG;
1.314 schwarze 786: if (n->type != ROFFT_HEAD)
1.250 schwarze 787: break;
788: p->flags |= TERMP_NOBREAK;
789: p->trailspace = 1;
1.39 kristaps 790: break;
1.264 schwarze 791: case LIST_hang:
1.314 schwarze 792: if (n->type != ROFFT_HEAD)
1.59 kristaps 793: break;
794:
795: /*
796: * This is ugly. If `-hang' is specified and the body
797: * is a `Bl' or `Bd', then we want basically to nullify
798: * the "overstep" effect in term_flushln() and treat
799: * this as a `-ohang' list instead.
800: */
1.279 schwarze 801: if (NULL != n->next &&
1.278 schwarze 802: NULL != n->next->child &&
803: (MDOC_Bl == n->next->child->tok ||
804: MDOC_Bd == n->next->child->tok))
1.250 schwarze 805: break;
806:
1.263 schwarze 807: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 808: p->trailspace = 1;
1.39 kristaps 809: break;
1.264 schwarze 810: case LIST_tag:
1.314 schwarze 811: if (n->type != ROFFT_HEAD)
1.39 kristaps 812: break;
1.250 schwarze 813:
1.326 schwarze 814: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 815: p->trailspace = 2;
816:
1.86 kristaps 817: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 818: p->flags |= TERMP_DANGLE;
1.1 kristaps 819: break;
1.264 schwarze 820: case LIST_column:
1.314 schwarze 821: if (n->type == ROFFT_HEAD)
1.134 kristaps 822: break;
823:
1.250 schwarze 824: if (NULL == n->next) {
1.134 kristaps 825: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 826: p->trailspace = 0;
827: } else {
1.134 kristaps 828: p->flags |= TERMP_NOBREAK;
1.250 schwarze 829: p->trailspace = 1;
830: }
1.134 kristaps 831:
1.1 kristaps 832: break;
1.264 schwarze 833: case LIST_diag:
1.314 schwarze 834: if (n->type != ROFFT_HEAD)
1.250 schwarze 835: break;
1.263 schwarze 836: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 837: p->trailspace = 1;
1.1 kristaps 838: break;
839: default:
840: break;
841: }
842:
1.264 schwarze 843: /*
1.1 kristaps 844: * Margin control. Set-head-width lists have their right
845: * margins shortened. The body for these lists has the offset
846: * necessarily lengthened. Everybody gets the offset.
847: */
848:
849: p->offset += offset;
850:
851: switch (type) {
1.264 schwarze 852: case LIST_hang:
1.59 kristaps 853: /*
854: * Same stipulation as above, regarding `-hang'. We
855: * don't want to recalculate rmargin and offsets when
856: * using `Bd' or `Bl' within `-hang' overstep lists.
857: */
1.314 schwarze 858: if (n->type == ROFFT_HEAD &&
1.279 schwarze 859: NULL != n->next &&
1.278 schwarze 860: NULL != n->next->child &&
861: (MDOC_Bl == n->next->child->tok ||
862: MDOC_Bd == n->next->child->tok))
1.59 kristaps 863: break;
864: /* FALLTHROUGH */
1.264 schwarze 865: case LIST_bullet:
866: case LIST_dash:
867: case LIST_enum:
868: case LIST_hyphen:
869: case LIST_tag:
1.314 schwarze 870: if (n->type == ROFFT_HEAD)
1.1 kristaps 871: p->rmargin = p->offset + width;
1.292 schwarze 872: else
1.1 kristaps 873: p->offset += width;
874: break;
1.264 schwarze 875: case LIST_column:
1.49 kristaps 876: assert(width);
1.1 kristaps 877: p->rmargin = p->offset + width;
1.264 schwarze 878: /*
1.50 kristaps 879: * XXX - this behaviour is not documented: the
880: * right-most column is filled to the right margin.
881: */
1.314 schwarze 882: if (n->type == ROFFT_HEAD)
1.134 kristaps 883: break;
884: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 885: p->rmargin = p->maxrmargin;
1.1 kristaps 886: break;
887: default:
888: break;
889: }
890:
1.264 schwarze 891: /*
1.1 kristaps 892: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 893: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 894: */
895:
1.314 schwarze 896: if (n->type == ROFFT_HEAD)
1.1 kristaps 897: switch (type) {
1.264 schwarze 898: case LIST_bullet:
1.102 kristaps 899: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 900: term_word(p, "\\[bu]");
1.102 kristaps 901: term_fontpop(p);
1.1 kristaps 902: break;
1.264 schwarze 903: case LIST_dash:
904: case LIST_hyphen:
1.102 kristaps 905: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 906: term_word(p, "-");
1.102 kristaps 907: term_fontpop(p);
1.1 kristaps 908: break;
1.264 schwarze 909: case LIST_enum:
1.1 kristaps 910: (pair->ppair->ppair->count)++;
1.265 schwarze 911: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 912: pair->ppair->ppair->count);
1.1 kristaps 913: term_word(p, buf);
914: break;
915: default:
916: break;
917: }
918:
1.264 schwarze 919: /*
1.1 kristaps 920: * If we're not going to process our children, indicate so here.
921: */
922:
923: switch (type) {
1.264 schwarze 924: case LIST_bullet:
925: case LIST_item:
926: case LIST_dash:
927: case LIST_hyphen:
928: case LIST_enum:
1.314 schwarze 929: if (n->type == ROFFT_HEAD)
1.328 schwarze 930: return 0;
1.1 kristaps 931: break;
1.264 schwarze 932: case LIST_column:
1.314 schwarze 933: if (n->type == ROFFT_HEAD)
1.328 schwarze 934: return 0;
1.1 kristaps 935: break;
936: default:
937: break;
938: }
939:
1.328 schwarze 940: return 1;
1.1 kristaps 941: }
942:
943: static void
944: termp_it_post(DECL_ARGS)
945: {
1.126 kristaps 946: enum mdoc_list type;
1.1 kristaps 947:
1.314 schwarze 948: if (n->type == ROFFT_BLOCK)
1.1 kristaps 949: return;
950:
1.202 kristaps 951: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 952:
953: switch (type) {
1.264 schwarze 954: case LIST_item:
955: case LIST_diag:
956: case LIST_inset:
1.314 schwarze 957: if (n->type == ROFFT_BODY)
1.130 schwarze 958: term_newln(p);
1.1 kristaps 959: break;
1.264 schwarze 960: case LIST_column:
1.314 schwarze 961: if (n->type == ROFFT_BODY)
1.1 kristaps 962: term_flushln(p);
963: break;
964: default:
1.130 schwarze 965: term_newln(p);
1.1 kristaps 966: break;
967: }
968:
1.264 schwarze 969: /*
1.109 kristaps 970: * Now that our output is flushed, we can reset our tags. Since
971: * only `It' sets these flags, we're free to assume that nobody
972: * has munged them in the meanwhile.
973: */
974:
1.326 schwarze 975: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 976: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 977: p->trailspace = 0;
1.1 kristaps 978: }
979:
980: static int
981: termp_nm_pre(DECL_ARGS)
982: {
1.296 schwarze 983: const char *cp;
1.1 kristaps 984:
1.314 schwarze 985: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 986: p->flags |= TERMP_PREKEEP;
1.328 schwarze 987: return 1;
1.253 schwarze 988: }
1.164 schwarze 989:
1.314 schwarze 990: if (n->type == ROFFT_BODY) {
1.164 schwarze 991: if (NULL == n->child)
1.328 schwarze 992: return 0;
1.234 schwarze 993: p->flags |= TERMP_NOSPACE;
1.296 schwarze 994: cp = NULL;
995: if (n->prev->child != NULL)
996: cp = n->prev->child->string;
997: if (cp == NULL)
998: cp = meta->name;
999: if (cp == NULL)
1000: p->offset += term_len(p, 6);
1001: else
1002: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 1003: return 1;
1.164 schwarze 1004: }
1005:
1.343 schwarze 1006: if (n->child == NULL)
1.328 schwarze 1007: return 0;
1.125 kristaps 1008:
1.314 schwarze 1009: if (n->type == ROFFT_HEAD)
1.177 schwarze 1010: synopsis_pre(p, n->parent);
1.102 kristaps 1011:
1.314 schwarze 1012: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1013: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1014: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1015: p->trailspace = 1;
1.185 schwarze 1016: p->rmargin = p->offset + term_len(p, 1);
1017: if (NULL == n->child) {
1.245 schwarze 1018: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1019: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1020: p->rmargin += term_strlen(p, n->child->string);
1021: if (n->child->next)
1022: p->flags |= TERMP_HANG;
1023: } else {
1024: p->rmargin += term_len(p, 5);
1025: p->flags |= TERMP_HANG;
1026: }
1.164 schwarze 1027: }
1028:
1.102 kristaps 1029: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1030: return 1;
1.1 kristaps 1031: }
1032:
1.164 schwarze 1033: static void
1034: termp_nm_post(DECL_ARGS)
1035: {
1036:
1.314 schwarze 1037: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1038: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1039: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1040: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1041: term_flushln(p);
1.263 schwarze 1042: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1043: p->trailspace = 0;
1.314 schwarze 1044: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1045: term_flushln(p);
1046: }
1047:
1.1 kristaps 1048: static int
1049: termp_fl_pre(DECL_ARGS)
1050: {
1051:
1.320 schwarze 1052: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1053: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1054: term_word(p, "\\-");
1.103 kristaps 1055:
1.331 schwarze 1056: if (!(n->child == NULL &&
1.280 schwarze 1057: (n->next == NULL ||
1.314 schwarze 1058: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1059: n->next->flags & NODE_LINE)))
1.103 kristaps 1060: p->flags |= TERMP_NOSPACE;
1061:
1.328 schwarze 1062: return 1;
1.1 kristaps 1063: }
1064:
1065: static int
1.184 kristaps 1066: termp__a_pre(DECL_ARGS)
1067: {
1068:
1069: if (n->prev && MDOC__A == n->prev->tok)
1070: if (NULL == n->next || MDOC__A != n->next->tok)
1071: term_word(p, "and");
1072:
1.328 schwarze 1073: return 1;
1.184 kristaps 1074: }
1075:
1076: static int
1.61 kristaps 1077: termp_an_pre(DECL_ARGS)
1078: {
1079:
1.282 schwarze 1080: if (n->norm->An.auth == AUTH_split) {
1081: p->flags &= ~TERMP_NOSPLIT;
1082: p->flags |= TERMP_SPLIT;
1.328 schwarze 1083: return 0;
1.282 schwarze 1084: }
1085: if (n->norm->An.auth == AUTH_nosplit) {
1086: p->flags &= ~TERMP_SPLIT;
1087: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1088: return 0;
1.282 schwarze 1089: }
1.264 schwarze 1090:
1.282 schwarze 1091: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1092: term_newln(p);
1093:
1.282 schwarze 1094: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1095: p->flags |= TERMP_SPLIT;
1.61 kristaps 1096:
1.328 schwarze 1097: return 1;
1.61 kristaps 1098: }
1099:
1100: static int
1.1 kristaps 1101: termp_ns_pre(DECL_ARGS)
1102: {
1103:
1.338 schwarze 1104: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1105: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1106: return 1;
1.1 kristaps 1107: }
1108:
1109: static int
1110: termp_rs_pre(DECL_ARGS)
1111: {
1112:
1.86 kristaps 1113: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1114: return 1;
1.314 schwarze 1115: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1116: term_vspace(p);
1.328 schwarze 1117: return 1;
1.1 kristaps 1118: }
1119:
1120: static int
1121: termp_ex_pre(DECL_ARGS)
1122: {
1.224 kristaps 1123: term_newln(p);
1.341 schwarze 1124: return 1;
1.1 kristaps 1125: }
1126:
1127: static int
1128: termp_nd_pre(DECL_ARGS)
1129: {
1.25 kristaps 1130:
1.314 schwarze 1131: if (n->type == ROFFT_BODY)
1.297 schwarze 1132: term_word(p, "\\(en");
1.328 schwarze 1133: return 1;
1.115 kristaps 1134: }
1135:
1136: static int
1137: termp_bl_pre(DECL_ARGS)
1138: {
1139:
1.328 schwarze 1140: return n->type != ROFFT_HEAD;
1.1 kristaps 1141: }
1142:
1143: static void
1144: termp_bl_post(DECL_ARGS)
1145: {
1146:
1.314 schwarze 1147: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1148: term_newln(p);
1149: }
1150:
1151: static int
1152: termp_xr_pre(DECL_ARGS)
1153: {
1154:
1.225 kristaps 1155: if (NULL == (n = n->child))
1.328 schwarze 1156: return 0;
1.113 kristaps 1157:
1.314 schwarze 1158: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1159: term_word(p, n->string);
1.11 kristaps 1160:
1.264 schwarze 1161: if (NULL == (n = n->next))
1.328 schwarze 1162: return 0;
1.225 kristaps 1163:
1.1 kristaps 1164: p->flags |= TERMP_NOSPACE;
1165: term_word(p, "(");
1.222 kristaps 1166: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1167:
1.314 schwarze 1168: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1169: term_word(p, n->string);
1170:
1.222 kristaps 1171: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1172: term_word(p, ")");
1.86 kristaps 1173:
1.328 schwarze 1174: return 0;
1.1 kristaps 1175: }
1176:
1.143 kristaps 1177: /*
1178: * This decides how to assert whitespace before any of the SYNOPSIS set
1179: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1180: * macro combos).
1181: */
1182: static void
1.315 schwarze 1183: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1184: {
1.264 schwarze 1185: /*
1.143 kristaps 1186: * Obviously, if we're not in a SYNOPSIS or no prior macros
1187: * exist, do nothing.
1188: */
1.338 schwarze 1189: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1190: return;
1191:
1192: /*
1193: * If we're the second in a pair of like elements, emit our
1194: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1195: * case we soldier on.
1196: */
1.264 schwarze 1197: if (n->prev->tok == n->tok &&
1198: MDOC_Ft != n->tok &&
1199: MDOC_Fo != n->tok &&
1200: MDOC_Fn != n->tok) {
1.143 kristaps 1201: term_newln(p);
1202: return;
1203: }
1204:
1205: /*
1206: * If we're one of the SYNOPSIS set and non-like pair-wise after
1207: * another (or Fn/Fo, which we've let slip through) then assert
1208: * vertical space, else only newline and move on.
1209: */
1210: switch (n->prev->tok) {
1.264 schwarze 1211: case MDOC_Fd:
1212: case MDOC_Fn:
1213: case MDOC_Fo:
1214: case MDOC_In:
1215: case MDOC_Vt:
1.143 kristaps 1216: term_vspace(p);
1217: break;
1.264 schwarze 1218: case MDOC_Ft:
1.143 kristaps 1219: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1220: term_vspace(p);
1221: break;
1222: }
1223: /* FALLTHROUGH */
1224: default:
1225: term_newln(p);
1226: break;
1227: }
1228: }
1229:
1.110 kristaps 1230: static int
1231: termp_vt_pre(DECL_ARGS)
1232: {
1233:
1.314 schwarze 1234: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1235: synopsis_pre(p, n);
1.328 schwarze 1236: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1237: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1238: synopsis_pre(p, n);
1.328 schwarze 1239: return 1;
1.314 schwarze 1240: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1241: return 0;
1.110 kristaps 1242:
1.328 schwarze 1243: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1244: }
1245:
1.1 kristaps 1246: static int
1.69 kristaps 1247: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1248: {
1249:
1.320 schwarze 1250: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1251: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1252: return 1;
1.1 kristaps 1253: }
1254:
1.143 kristaps 1255: static int
1256: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1257: {
1258:
1.143 kristaps 1259: synopsis_pre(p, n);
1.328 schwarze 1260: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1261: }
1262:
1.241 schwarze 1263: static void
1264: termp_fd_post(DECL_ARGS)
1265: {
1266:
1267: term_newln(p);
1268: }
1269:
1.1 kristaps 1270: static int
1271: termp_sh_pre(DECL_ARGS)
1272: {
1.85 kristaps 1273:
1.86 kristaps 1274: switch (n->type) {
1.314 schwarze 1275: case ROFFT_BLOCK:
1.293 schwarze 1276: /*
1277: * Vertical space before sections, except
1278: * when the previous section was empty.
1279: */
1280: if (n->prev == NULL ||
1.322 schwarze 1281: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1282: (n->prev->body != NULL &&
1283: n->prev->body->child != NULL))
1284: term_vspace(p);
1.65 kristaps 1285: break;
1.314 schwarze 1286: case ROFFT_HEAD:
1.102 kristaps 1287: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1288: break;
1.314 schwarze 1289: case ROFFT_BODY:
1.238 schwarze 1290: p->offset = term_len(p, p->defindent);
1.322 schwarze 1291: switch (n->sec) {
1292: case SEC_DESCRIPTION:
1293: fn_prio = 0;
1294: break;
1295: case SEC_AUTHORS:
1.239 schwarze 1296: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1297: break;
1298: default:
1299: break;
1300: }
1.1 kristaps 1301: break;
1302: default:
1303: break;
1304: }
1.328 schwarze 1305: return 1;
1.1 kristaps 1306: }
1307:
1308: static void
1309: termp_sh_post(DECL_ARGS)
1310: {
1311:
1.86 kristaps 1312: switch (n->type) {
1.314 schwarze 1313: case ROFFT_HEAD:
1.1 kristaps 1314: term_newln(p);
1315: break;
1.314 schwarze 1316: case ROFFT_BODY:
1.1 kristaps 1317: term_newln(p);
1318: p->offset = 0;
1319: break;
1320: default:
1321: break;
1322: }
1323: }
1324:
1325: static void
1326: termp_lb_post(DECL_ARGS)
1327: {
1328:
1.338 schwarze 1329: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1330: term_newln(p);
1.1 kristaps 1331: }
1332:
1333: static int
1334: termp_d1_pre(DECL_ARGS)
1335: {
1336:
1.314 schwarze 1337: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1338: return 1;
1.1 kristaps 1339: term_newln(p);
1.238 schwarze 1340: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1341: return 1;
1.1 kristaps 1342: }
1343:
1344: static int
1345: termp_ft_pre(DECL_ARGS)
1346: {
1347:
1.338 schwarze 1348: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1349: synopsis_pre(p, n);
1.102 kristaps 1350: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1351: return 1;
1.1 kristaps 1352: }
1353:
1354: static int
1355: termp_fn_pre(DECL_ARGS)
1356: {
1.257 schwarze 1357: size_t rmargin = 0;
1.226 kristaps 1358: int pretty;
1359:
1.338 schwarze 1360: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1361:
1.143 kristaps 1362: synopsis_pre(p, n);
1.139 kristaps 1363:
1.226 kristaps 1364: if (NULL == (n = n->child))
1.328 schwarze 1365: return 0;
1.226 kristaps 1366:
1.251 schwarze 1367: if (pretty) {
1368: rmargin = p->rmargin;
1.257 schwarze 1369: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1370: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1371: }
1372:
1.314 schwarze 1373: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1374: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1375: term_word(p, n->string);
1.102 kristaps 1376: term_fontpop(p);
1.1 kristaps 1377:
1.336 schwarze 1378: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1379: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1380:
1.251 schwarze 1381: if (pretty) {
1382: term_flushln(p);
1.263 schwarze 1383: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1384: p->offset = p->rmargin;
1385: p->rmargin = rmargin;
1386: }
1387:
1.1 kristaps 1388: p->flags |= TERMP_NOSPACE;
1389: term_word(p, "(");
1.222 kristaps 1390: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1391:
1.226 kristaps 1392: for (n = n->next; n; n = n->next) {
1.314 schwarze 1393: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1394: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1395: if (pretty)
1396: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1397: term_word(p, n->string);
1.102 kristaps 1398: term_fontpop(p);
1399:
1.226 kristaps 1400: if (n->next) {
1.222 kristaps 1401: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1402: term_word(p, ",");
1.222 kristaps 1403: }
1.1 kristaps 1404: }
1405:
1.222 kristaps 1406: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1407: term_word(p, ")");
1408:
1.226 kristaps 1409: if (pretty) {
1.222 kristaps 1410: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1411: term_word(p, ";");
1.251 schwarze 1412: term_flushln(p);
1.222 kristaps 1413: }
1.1 kristaps 1414:
1.328 schwarze 1415: return 0;
1.1 kristaps 1416: }
1417:
1418: static int
1419: termp_fa_pre(DECL_ARGS)
1420: {
1.315 schwarze 1421: const struct roff_node *nn;
1.1 kristaps 1422:
1.86 kristaps 1423: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1424: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1425: return 1;
1.1 kristaps 1426: }
1427:
1.86 kristaps 1428: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1429: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1430: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1431: term_word(p, nn->string);
1.102 kristaps 1432: term_fontpop(p);
1433:
1.256 schwarze 1434: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1435: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1436: term_word(p, ",");
1.222 kristaps 1437: }
1.1 kristaps 1438: }
1439:
1.328 schwarze 1440: return 0;
1.1 kristaps 1441: }
1442:
1443: static int
1444: termp_bd_pre(DECL_ARGS)
1445: {
1.272 schwarze 1446: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1447: struct roff_node *nn;
1.302 schwarze 1448: int offset;
1.1 kristaps 1449:
1.314 schwarze 1450: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1451: print_bvspace(p, n, n);
1.328 schwarze 1452: return 1;
1.314 schwarze 1453: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1454: return 0;
1.1 kristaps 1455:
1.288 schwarze 1456: /* Handle the -offset argument. */
1457:
1458: if (n->norm->Bd.offs == NULL ||
1459: ! strcmp(n->norm->Bd.offs, "left"))
1460: /* nothing */;
1461: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1462: p->offset += term_len(p, p->defindent + 1);
1463: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1464: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1465: else {
1466: offset = a2width(p, n->norm->Bd.offs);
1467: if (offset < 0 && (size_t)(-offset) > p->offset)
1468: p->offset = 0;
1469: else if (offset < SHRT_MAX)
1470: p->offset += offset;
1471: }
1.85 kristaps 1472:
1473: /*
1474: * If -ragged or -filled are specified, the block does nothing
1475: * but change the indentation. If -unfilled or -literal are
1476: * specified, text is printed exactly as entered in the display:
1477: * for macro lines, a newline is appended to the line. Blank
1478: * lines are allowed.
1479: */
1.264 schwarze 1480:
1481: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1482: DISP_unfilled != n->norm->Bd.type &&
1483: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1484: return 1;
1.1 kristaps 1485:
1.129 schwarze 1486: tabwidth = p->tabwidth;
1.208 kristaps 1487: if (DISP_literal == n->norm->Bd.type)
1488: p->tabwidth = term_len(p, 8);
1489:
1.272 schwarze 1490: lm = p->offset;
1.119 kristaps 1491: rm = p->rmargin;
1492: rmax = p->maxrmargin;
1.120 kristaps 1493: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1494:
1.86 kristaps 1495: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1496: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1497: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1498: len = term_strlen(p, nn->string);
1499: p->offset = len >= rm ? 0 :
1500: lm + len >= rm ? rm - len :
1501: (lm + rm - len) / 2;
1502: } else
1503: p->offset = lm;
1504: }
1.245 schwarze 1505: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1506: /*
1507: * If the printed node flushes its own line, then we
1508: * needn't do it here as well. This is hacky, but the
1509: * notion of selective eoln whitespace is pretty dumb
1510: * anyway, so don't sweat it.
1511: */
1512: switch (nn->tok) {
1.264 schwarze 1513: case MDOC_Sm:
1.351 schwarze 1514: case ROFF_br:
1.264 schwarze 1515: case MDOC_sp:
1516: case MDOC_Bl:
1517: case MDOC_D1:
1518: case MDOC_Dl:
1519: case MDOC_Lp:
1520: case MDOC_Pp:
1.190 kristaps 1521: continue;
1522: default:
1523: break;
1524: }
1.299 schwarze 1525: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1526: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1527: continue;
1528: term_flushln(p);
1529: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1530: }
1.147 kristaps 1531:
1.129 schwarze 1532: p->tabwidth = tabwidth;
1.119 kristaps 1533: p->rmargin = rm;
1534: p->maxrmargin = rmax;
1.328 schwarze 1535: return 0;
1.1 kristaps 1536: }
1537:
1538: static void
1539: termp_bd_post(DECL_ARGS)
1540: {
1.119 kristaps 1541: size_t rm, rmax;
1.1 kristaps 1542:
1.314 schwarze 1543: if (n->type != ROFFT_BODY)
1.1 kristaps 1544: return;
1.118 kristaps 1545:
1.119 kristaps 1546: rm = p->rmargin;
1547: rmax = p->maxrmargin;
1.118 kristaps 1548:
1.264 schwarze 1549: if (DISP_literal == n->norm->Bd.type ||
1550: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1551: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1552:
1.60 kristaps 1553: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1554: term_newln(p);
1.118 kristaps 1555:
1.119 kristaps 1556: p->rmargin = rm;
1557: p->maxrmargin = rmax;
1.1 kristaps 1558: }
1559:
1560: static int
1.26 kristaps 1561: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1562: {
1.339 schwarze 1563: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1564: p->flags |= TERMP_PREKEEP;
1565: return 1;
1566: }
1.1 kristaps 1567:
1.339 schwarze 1568: static void
1569: termp_xx_post(DECL_ARGS)
1570: {
1571: if (n->aux == 0)
1572: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1573: }
1574:
1575: static void
1576: termp_pf_post(DECL_ARGS)
1577: {
1578:
1.338 schwarze 1579: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1580: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1581: }
1582:
1583: static int
1584: termp_ss_pre(DECL_ARGS)
1585: {
1.337 schwarze 1586: struct roff_node *nn;
1.1 kristaps 1587:
1.86 kristaps 1588: switch (n->type) {
1.314 schwarze 1589: case ROFFT_BLOCK:
1.1 kristaps 1590: term_newln(p);
1.337 schwarze 1591: for (nn = n->prev; nn != NULL; nn = nn->prev)
1592: if ((nn->flags & NODE_NOPRT) == 0)
1593: break;
1594: if (nn != NULL)
1.1 kristaps 1595: term_vspace(p);
1596: break;
1.314 schwarze 1597: case ROFFT_HEAD:
1.102 kristaps 1598: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1599: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1600: break;
1.314 schwarze 1601: case ROFFT_BODY:
1.274 schwarze 1602: p->offset = term_len(p, p->defindent);
1603: break;
1.1 kristaps 1604: default:
1605: break;
1606: }
1607:
1.328 schwarze 1608: return 1;
1.1 kristaps 1609: }
1610:
1611: static void
1612: termp_ss_post(DECL_ARGS)
1613: {
1614:
1.314 schwarze 1615: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1616: term_newln(p);
1617: }
1618:
1619: static int
1620: termp_cd_pre(DECL_ARGS)
1621: {
1622:
1.143 kristaps 1623: synopsis_pre(p, n);
1.102 kristaps 1624: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1625: return 1;
1.1 kristaps 1626: }
1627:
1628: static int
1629: termp_in_pre(DECL_ARGS)
1630: {
1.142 schwarze 1631:
1.143 kristaps 1632: synopsis_pre(p, n);
1.1 kristaps 1633:
1.338 schwarze 1634: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1635: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1636: term_word(p, "#include");
1.138 kristaps 1637: term_word(p, "<");
1638: } else {
1639: term_word(p, "<");
1640: term_fontpush(p, TERMFONT_UNDER);
1641: }
1.22 kristaps 1642:
1.1 kristaps 1643: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1644: return 1;
1.1 kristaps 1645: }
1646:
1647: static void
1648: termp_in_post(DECL_ARGS)
1649: {
1650:
1.338 schwarze 1651: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1652: term_fontpush(p, TERMFONT_BOLD);
1653:
1.79 kristaps 1654: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1655: term_word(p, ">");
1656:
1.338 schwarze 1657: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1658: term_fontpop(p);
1.1 kristaps 1659: }
1660:
1661: static int
1.45 kristaps 1662: termp_sp_pre(DECL_ARGS)
1663: {
1.300 schwarze 1664: struct roffsu su;
1.312 schwarze 1665: int i, len;
1.45 kristaps 1666:
1.86 kristaps 1667: switch (n->tok) {
1.264 schwarze 1668: case MDOC_sp:
1.300 schwarze 1669: if (n->child) {
1670: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1671: su.scale = 1.0;
1672: len = term_vspan(p, &su);
1673: } else
1674: len = 1;
1.76 kristaps 1675: break;
1.351 schwarze 1676: case ROFF_br:
1.76 kristaps 1677: len = 0;
1678: break;
1679: default:
1680: len = 1;
1.322 schwarze 1681: fn_prio = 0;
1.76 kristaps 1682: break;
1.45 kristaps 1683: }
1684:
1685: if (0 == len)
1686: term_newln(p);
1.312 schwarze 1687: else if (len < 0)
1688: p->skipvsp -= len;
1689: else
1690: for (i = 0; i < len; i++)
1691: term_vspace(p);
1.45 kristaps 1692:
1.328 schwarze 1693: return 0;
1.45 kristaps 1694: }
1695:
1696: static int
1.294 schwarze 1697: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1698: {
1699:
1.328 schwarze 1700: return 0;
1.268 schwarze 1701: }
1702:
1703: static int
1.188 kristaps 1704: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1705: {
1706:
1.314 schwarze 1707: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1708: return 1;
1.1 kristaps 1709:
1.188 kristaps 1710: switch (n->tok) {
1.264 schwarze 1711: case MDOC_Ao:
1712: case MDOC_Aq:
1.331 schwarze 1713: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1714: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1715: break;
1.264 schwarze 1716: case MDOC_Bro:
1717: case MDOC_Brq:
1.188 kristaps 1718: term_word(p, "{");
1719: break;
1.264 schwarze 1720: case MDOC_Oo:
1721: case MDOC_Op:
1722: case MDOC_Bo:
1723: case MDOC_Bq:
1.188 kristaps 1724: term_word(p, "[");
1725: break;
1.346 schwarze 1726: case MDOC__T:
1727: /* FALLTHROUGH */
1.264 schwarze 1728: case MDOC_Do:
1729: case MDOC_Dq:
1.311 schwarze 1730: term_word(p, "\\(Lq");
1.188 kristaps 1731: break;
1.268 schwarze 1732: case MDOC_En:
1733: if (NULL == n->norm->Es ||
1734: NULL == n->norm->Es->child)
1.328 schwarze 1735: return 1;
1.268 schwarze 1736: term_word(p, n->norm->Es->child->string);
1737: break;
1.264 schwarze 1738: case MDOC_Po:
1739: case MDOC_Pq:
1.188 kristaps 1740: term_word(p, "(");
1741: break;
1.264 schwarze 1742: case MDOC_Qo:
1743: case MDOC_Qq:
1.188 kristaps 1744: term_word(p, "\"");
1745: break;
1.264 schwarze 1746: case MDOC_Ql:
1747: case MDOC_So:
1748: case MDOC_Sq:
1.249 schwarze 1749: term_word(p, "\\(oq");
1.188 kristaps 1750: break;
1751: default:
1752: abort();
1753: }
1.1 kristaps 1754:
1755: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1756: return 1;
1.1 kristaps 1757: }
1758:
1759: static void
1.188 kristaps 1760: termp_quote_post(DECL_ARGS)
1.1 kristaps 1761: {
1762:
1.314 schwarze 1763: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1764: return;
1765:
1.306 schwarze 1766: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1767:
1.188 kristaps 1768: switch (n->tok) {
1.264 schwarze 1769: case MDOC_Ao:
1770: case MDOC_Aq:
1.331 schwarze 1771: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1772: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1773: break;
1.264 schwarze 1774: case MDOC_Bro:
1775: case MDOC_Brq:
1.188 kristaps 1776: term_word(p, "}");
1777: break;
1.264 schwarze 1778: case MDOC_Oo:
1779: case MDOC_Op:
1780: case MDOC_Bo:
1781: case MDOC_Bq:
1.188 kristaps 1782: term_word(p, "]");
1783: break;
1.346 schwarze 1784: case MDOC__T:
1785: /* FALLTHROUGH */
1.264 schwarze 1786: case MDOC_Do:
1787: case MDOC_Dq:
1.311 schwarze 1788: term_word(p, "\\(Rq");
1.268 schwarze 1789: break;
1790: case MDOC_En:
1.306 schwarze 1791: if (n->norm->Es == NULL ||
1792: n->norm->Es->child == NULL ||
1793: n->norm->Es->child->next == NULL)
1794: p->flags &= ~TERMP_NOSPACE;
1795: else
1.268 schwarze 1796: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1797: break;
1.264 schwarze 1798: case MDOC_Po:
1799: case MDOC_Pq:
1.188 kristaps 1800: term_word(p, ")");
1801: break;
1.264 schwarze 1802: case MDOC_Qo:
1803: case MDOC_Qq:
1.188 kristaps 1804: term_word(p, "\"");
1805: break;
1.264 schwarze 1806: case MDOC_Ql:
1807: case MDOC_So:
1808: case MDOC_Sq:
1.249 schwarze 1809: term_word(p, "\\(cq");
1.188 kristaps 1810: break;
1811: default:
1812: abort();
1813: }
1.306 schwarze 1814: }
1815:
1816: static int
1817: termp_eo_pre(DECL_ARGS)
1818: {
1819:
1.314 schwarze 1820: if (n->type != ROFFT_BODY)
1.328 schwarze 1821: return 1;
1.306 schwarze 1822:
1823: if (n->end == ENDBODY_NOT &&
1824: n->parent->head->child == NULL &&
1825: n->child != NULL &&
1826: n->child->end != ENDBODY_NOT)
1827: term_word(p, "\\&");
1828: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1829: n->parent->head->child != NULL && (n->child != NULL ||
1830: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1831: p->flags |= TERMP_NOSPACE;
1832:
1.328 schwarze 1833: return 1;
1.306 schwarze 1834: }
1835:
1836: static void
1837: termp_eo_post(DECL_ARGS)
1838: {
1839: int body, tail;
1840:
1.314 schwarze 1841: if (n->type != ROFFT_BODY)
1.306 schwarze 1842: return;
1843:
1844: if (n->end != ENDBODY_NOT) {
1845: p->flags &= ~TERMP_NOSPACE;
1846: return;
1847: }
1848:
1849: body = n->child != NULL || n->parent->head->child != NULL;
1850: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1851:
1852: if (body && tail)
1853: p->flags |= TERMP_NOSPACE;
1854: else if ( ! (body || tail))
1855: term_word(p, "\\&");
1856: else if ( ! tail)
1857: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1858: }
1859:
1860: static int
1861: termp_fo_pre(DECL_ARGS)
1862: {
1.257 schwarze 1863: size_t rmargin = 0;
1.256 schwarze 1864: int pretty;
1865:
1.338 schwarze 1866: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1867:
1.314 schwarze 1868: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1869: synopsis_pre(p, n);
1.328 schwarze 1870: return 1;
1.314 schwarze 1871: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1872: if (pretty) {
1873: rmargin = p->rmargin;
1.257 schwarze 1874: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1875: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1876: TERMP_HANG;
1.256 schwarze 1877: }
1.33 kristaps 1878: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1879: term_word(p, "(");
1.222 kristaps 1880: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1881: if (pretty) {
1882: term_flushln(p);
1.263 schwarze 1883: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1884: TERMP_HANG);
1.256 schwarze 1885: p->offset = p->rmargin;
1886: p->rmargin = rmargin;
1887: }
1.328 schwarze 1888: return 1;
1.256 schwarze 1889: }
1.141 kristaps 1890:
1.169 kristaps 1891: if (NULL == n->child)
1.328 schwarze 1892: return 0;
1.169 kristaps 1893:
1.141 kristaps 1894: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1895:
1.141 kristaps 1896: assert(n->child->string);
1.102 kristaps 1897: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1898: term_word(p, n->child->string);
1.328 schwarze 1899: return 0;
1.1 kristaps 1900: }
1901:
1902: static void
1903: termp_fo_post(DECL_ARGS)
1904: {
1905:
1.314 schwarze 1906: if (n->type != ROFFT_BODY)
1.143 kristaps 1907: return;
1908:
1.222 kristaps 1909: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1910: term_word(p, ")");
1911:
1.338 schwarze 1912: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1913: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1914: term_word(p, ";");
1.256 schwarze 1915: term_flushln(p);
1.222 kristaps 1916: }
1.1 kristaps 1917: }
1918:
1919: static int
1920: termp_bf_pre(DECL_ARGS)
1921: {
1922:
1.314 schwarze 1923: if (n->type == ROFFT_HEAD)
1.328 schwarze 1924: return 0;
1.314 schwarze 1925: else if (n->type != ROFFT_BODY)
1.328 schwarze 1926: return 1;
1.1 kristaps 1927:
1.264 schwarze 1928: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1929: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1930: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1931: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1932: else
1.102 kristaps 1933: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1934:
1.328 schwarze 1935: return 1;
1.1 kristaps 1936: }
1937:
1938: static int
1939: termp_sm_pre(DECL_ARGS)
1940: {
1941:
1.269 schwarze 1942: if (NULL == n->child)
1943: p->flags ^= TERMP_NONOSPACE;
1944: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1945: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1946: else
1.1 kristaps 1947: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1948:
1949: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1950: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1951:
1.328 schwarze 1952: return 0;
1.1 kristaps 1953: }
1954:
1955: static int
1956: termp_ap_pre(DECL_ARGS)
1957: {
1958:
1959: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1960: term_word(p, "'");
1.1 kristaps 1961: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1962: return 1;
1.1 kristaps 1963: }
1964:
1965: static void
1966: termp____post(DECL_ARGS)
1967: {
1.184 kristaps 1968:
1969: /*
1970: * Handle lists of authors. In general, print each followed by
1971: * a comma. Don't print the comma if there are only two
1972: * authors.
1973: */
1974: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1975: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1976: if (NULL == n->prev || MDOC__A != n->prev->tok)
1977: return;
1.1 kristaps 1978:
1.95 kristaps 1979: /* TODO: %U. */
1980:
1.187 kristaps 1981: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1982: return;
1983:
1.222 kristaps 1984: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1985: if (NULL == n->next) {
1986: term_word(p, ".");
1987: p->flags |= TERMP_SENTENCE;
1988: } else
1989: term_word(p, ",");
1.1 kristaps 1990: }
1991:
1992: static int
1.102 kristaps 1993: termp_li_pre(DECL_ARGS)
1994: {
1995:
1.335 schwarze 1996: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1997: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1998: return 1;
1.102 kristaps 1999: }
2000:
2001: static int
1.1 kristaps 2002: termp_lk_pre(DECL_ARGS)
2003: {
1.315 schwarze 2004: const struct roff_node *link, *descr;
1.348 schwarze 2005: int display;
1.1 kristaps 2006:
1.349 schwarze 2007: if ((link = n->child) == NULL)
1.328 schwarze 2008: return 0;
1.181 kristaps 2009:
1.349 schwarze 2010: /* Link text. */
2011: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.240 schwarze 2012: term_fontpush(p, TERMFONT_UNDER);
1.349 schwarze 2013: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.240 schwarze 2014: term_word(p, descr->string);
2015: descr = descr->next;
2016: }
1.347 schwarze 2017: term_fontpop(p);
1.240 schwarze 2018: p->flags |= TERMP_NOSPACE;
2019: term_word(p, ":");
2020: }
1.1 kristaps 2021:
1.349 schwarze 2022: /* Link target. */
1.348 schwarze 2023: display = term_strlen(p, link->string) >= 26;
2024: if (display) {
2025: term_newln(p);
2026: p->offset += term_len(p, p->defindent + 1);
2027: }
1.102 kristaps 2028: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2029: term_word(p, link->string);
1.102 kristaps 2030: term_fontpop(p);
1.348 schwarze 2031:
1.349 schwarze 2032: /* Trailing punctuation. */
2033: while (descr != NULL) {
2034: p->flags |= TERMP_NOSPACE;
2035: term_word(p, descr->string);
2036: descr = descr->next;
2037: }
1.348 schwarze 2038: if (display)
2039: term_newln(p);
1.328 schwarze 2040: return 0;
1.1 kristaps 2041: }
2042:
1.159 schwarze 2043: static int
2044: termp_bk_pre(DECL_ARGS)
2045: {
2046:
1.161 schwarze 2047: switch (n->type) {
1.314 schwarze 2048: case ROFFT_BLOCK:
1.166 kristaps 2049: break;
1.314 schwarze 2050: case ROFFT_HEAD:
1.328 schwarze 2051: return 0;
1.314 schwarze 2052: case ROFFT_BODY:
1.331 schwarze 2053: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2054: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2055: break;
1.161 schwarze 2056: default:
2057: abort();
2058: }
1.166 kristaps 2059:
1.328 schwarze 2060: return 1;
1.159 schwarze 2061: }
2062:
2063: static void
2064: termp_bk_post(DECL_ARGS)
2065: {
2066:
1.314 schwarze 2067: if (n->type == ROFFT_BODY)
1.161 schwarze 2068: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2069: }
2070:
2071: static void
2072: termp__t_post(DECL_ARGS)
2073: {
2074:
2075: /*
2076: * If we're in an `Rs' and there's a journal present, then quote
2077: * us instead of underlining us (for disambiguation).
2078: */
1.217 schwarze 2079: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2080: n->parent->norm->Rs.quote_T)
1.245 schwarze 2081: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2082:
1.245 schwarze 2083: termp____post(p, pair, meta, n);
1.203 kristaps 2084: }
2085:
2086: static int
2087: termp__t_pre(DECL_ARGS)
2088: {
2089:
2090: /*
2091: * If we're in an `Rs' and there's a journal present, then quote
2092: * us instead of underlining us (for disambiguation).
2093: */
2094: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2095: n->parent->norm->Rs.quote_T)
1.328 schwarze 2096: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2097:
2098: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2099: return 1;
1.159 schwarze 2100: }
1.1 kristaps 2101:
2102: static int
1.69 kristaps 2103: termp_under_pre(DECL_ARGS)
1.1 kristaps 2104: {
2105:
1.102 kristaps 2106: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2107: return 1;
2108: }
2109:
2110: static int
2111: termp_em_pre(DECL_ARGS)
2112: {
2113: if (n->child != NULL &&
2114: n->child->type == ROFFT_TEXT)
2115: tag_put(n->child->string, 0, p->line);
2116: term_fontpush(p, TERMFONT_UNDER);
2117: return 1;
2118: }
2119:
2120: static int
2121: termp_sy_pre(DECL_ARGS)
2122: {
2123: if (n->child != NULL &&
2124: n->child->type == ROFFT_TEXT)
2125: tag_put(n->child->string, 0, p->line);
2126: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2127: return 1;
1.323 schwarze 2128: }
2129:
2130: static int
2131: termp_er_pre(DECL_ARGS)
2132: {
2133:
2134: if (n->sec == SEC_ERRORS &&
2135: (n->parent->tok == MDOC_It ||
2136: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2137: n->parent->parent->parent->tok == MDOC_It)))
2138: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2139: return 1;
1.320 schwarze 2140: }
2141:
2142: static int
2143: termp_tag_pre(DECL_ARGS)
2144: {
2145:
2146: if (n->child != NULL &&
2147: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2148: (n->prev == NULL ||
2149: (n->prev->type == ROFFT_TEXT &&
2150: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2151: (n->parent->tok == MDOC_It ||
2152: (n->parent->tok == MDOC_Xo &&
2153: n->parent->parent->prev == NULL &&
1.324 schwarze 2154: n->parent->parent->parent->tok == MDOC_It)))
2155: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2156: return 1;
1.84 kristaps 2157: }
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