Annotation of mandoc/mdoc_term.c, Revision 1.342
1.342 ! schwarze 1: /* $Id: mdoc_term.c,v 1.341 2017/01/11 17:39:53 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:
1.70 kristaps 128: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 129: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 130: { NULL, NULL }, /* Dd */
131: { NULL, NULL }, /* Dt */
132: { NULL, NULL }, /* Os */
133: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 134: { termp_ss_pre, termp_ss_post }, /* Ss */
135: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 136: { termp_d1_pre, termp_bl_post }, /* D1 */
137: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 138: { termp_bd_pre, termp_bd_post }, /* Bd */
139: { NULL, NULL }, /* Ed */
1.115 kristaps 140: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 141: { NULL, NULL }, /* El */
142: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 143: { termp_under_pre, NULL }, /* Ad */
1.282 schwarze 144: { termp_an_pre, NULL }, /* An */
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 */
1.76 kristaps 247: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 248: { termp_sp_pre, NULL }, /* sp */
249: { NULL, termp____post }, /* %U */
250: { NULL, NULL }, /* Ta */
1.260 schwarze 251: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 252: };
253:
1.322 schwarze 254: static int fn_prio;
1.1 kristaps 255:
1.70 kristaps 256: void
1.318 schwarze 257: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 258: {
1.315 schwarze 259: struct roff_node *n;
1.89 kristaps 260: struct termp *p;
1.342 ! schwarze 261: size_t save_defindent;
1.89 kristaps 262:
263: p = (struct termp *)arg;
1.111 kristaps 264: p->overstep = 0;
1.281 schwarze 265: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
1.70 kristaps 267:
1.319 schwarze 268: n = mdoc->first->child;
1.281 schwarze 269: if (p->synopsisonly) {
270: while (n != NULL) {
271: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
272: if (n->child->next->child != NULL)
273: print_mdoc_nodelist(p, NULL,
1.319 schwarze 274: &mdoc->meta,
275: n->child->next->child);
1.281 schwarze 276: term_newln(p);
277: break;
278: }
279: n = n->next;
280: }
281: } else {
1.342 ! schwarze 282: save_defindent = p->defindent;
1.281 schwarze 283: if (p->defindent == 0)
284: p->defindent = 5;
1.319 schwarze 285: term_begin(p, print_mdoc_head, print_mdoc_foot,
286: &mdoc->meta);
1.337 schwarze 287: while (n != NULL && n->flags & NODE_NOPRT)
288: n = n->next;
1.281 schwarze 289: if (n != NULL) {
290: if (n->tok != MDOC_Sh)
291: term_vspace(p);
1.319 schwarze 292: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281 schwarze 293: }
294: term_end(p);
1.342 ! schwarze 295: p->defindent = save_defindent;
1.271 schwarze 296: }
1.1 kristaps 297: }
298:
1.3 kristaps 299: static void
1.102 kristaps 300: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 301: {
302:
1.304 schwarze 303: while (n != NULL) {
304: print_mdoc_node(p, pair, meta, n);
305: n = n->next;
306: }
1.1 kristaps 307: }
308:
1.3 kristaps 309: static void
1.102 kristaps 310: print_mdoc_node(DECL_ARGS)
1.1 kristaps 311: {
1.102 kristaps 312: int chld;
1.1 kristaps 313: struct termpair npair;
1.30 kristaps 314: size_t offset, rmargin;
1.1 kristaps 315:
1.337 schwarze 316: if (n->flags & NODE_NOPRT)
317: return;
318:
1.70 kristaps 319: chld = 1;
1.29 kristaps 320: offset = p->offset;
1.30 kristaps 321: rmargin = p->rmargin;
1.338 schwarze 322: n->flags &= ~NODE_ENDED;
1.305 schwarze 323: n->prev_font = p->fonti;
1.29 kristaps 324:
1.97 kristaps 325: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 326: npair.ppair = pair;
1.172 kristaps 327:
328: /*
329: * Keeps only work until the end of a line. If a keep was
330: * invoked in a prior line, revert it to PREKEEP.
331: */
332:
1.338 schwarze 333: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307 schwarze 334: p->flags &= ~TERMP_KEEP;
335: p->flags |= TERMP_PREKEEP;
1.172 kristaps 336: }
1.197 schwarze 337:
338: /*
1.217 schwarze 339: * After the keep flags have been set up, we may now
340: * produce output. Note that some pre-handlers do so.
341: */
342:
343: switch (n->type) {
1.314 schwarze 344: case ROFFT_TEXT:
1.338 schwarze 345: if (' ' == *n->string && NODE_LINE & n->flags)
1.217 schwarze 346: term_newln(p);
1.338 schwarze 347: if (NODE_DELIMC & n->flags)
1.222 kristaps 348: p->flags |= TERMP_NOSPACE;
1.217 schwarze 349: term_word(p, n->string);
1.338 schwarze 350: if (NODE_DELIMO & n->flags)
1.222 kristaps 351: p->flags |= TERMP_NOSPACE;
1.217 schwarze 352: break;
1.314 schwarze 353: case ROFFT_EQN:
1.338 schwarze 354: if ( ! (n->flags & NODE_LINE))
1.284 schwarze 355: p->flags |= TERMP_NOSPACE;
1.233 kristaps 356: term_eqn(p, n->eqn);
1.338 schwarze 357: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285 schwarze 358: p->flags |= TERMP_NOSPACE;
1.217 schwarze 359: break;
1.314 schwarze 360: case ROFFT_TBL:
1.313 schwarze 361: if (p->tbl.cols == NULL)
362: term_newln(p);
1.217 schwarze 363: term_tbl(p, n->span);
364: break;
365: default:
1.295 schwarze 366: if (termacts[n->tok].pre &&
1.331 schwarze 367: (n->end == ENDBODY_NOT || n->child != NULL))
1.217 schwarze 368: chld = (*termacts[n->tok].pre)
1.245 schwarze 369: (p, &npair, meta, n);
1.217 schwarze 370: break;
371: }
372:
1.86 kristaps 373: if (chld && n->child)
1.245 schwarze 374: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 375:
1.244 schwarze 376: term_fontpopq(p,
1.310 schwarze 377: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46 kristaps 378:
1.206 kristaps 379: switch (n->type) {
1.314 schwarze 380: case ROFFT_TEXT:
1.206 kristaps 381: break;
1.314 schwarze 382: case ROFFT_TBL:
1.216 kristaps 383: break;
1.314 schwarze 384: case ROFFT_EQN:
1.206 kristaps 385: break;
386: default:
1.338 schwarze 387: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.206 kristaps 388: break;
1.245 schwarze 389: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 390:
391: /*
392: * Explicit end tokens not only call the post
393: * handler, but also tell the respective block
394: * that it must not call the post handler again.
395: */
1.165 kristaps 396: if (ENDBODY_NOT != n->end)
1.338 schwarze 397: n->body->flags |= NODE_ENDED;
1.162 schwarze 398:
399: /*
400: * End of line terminating an implicit block
401: * while an explicit block is still open.
402: * Continue the explicit block without spacing.
403: */
404: if (ENDBODY_NOSPACE == n->end)
405: p->flags |= TERMP_NOSPACE;
1.206 kristaps 406: break;
1.162 schwarze 407: }
1.121 kristaps 408:
1.338 schwarze 409: if (NODE_EOS & n->flags)
1.121 kristaps 410: p->flags |= TERMP_SENTENCE;
1.29 kristaps 411:
1.260 schwarze 412: if (MDOC_ll != n->tok) {
413: p->offset = offset;
414: p->rmargin = rmargin;
415: }
1.1 kristaps 416: }
417:
1.3 kristaps 418: static void
1.316 schwarze 419: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 420: {
1.292 schwarze 421: size_t sz;
1.144 kristaps 422:
1.102 kristaps 423: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 424:
1.264 schwarze 425: /*
1.9 kristaps 426: * Output the footer in new-groff style, that is, three columns
427: * with the middle being the manual date and flanking columns
428: * being the operating system:
429: *
430: * SYSTEM DATE SYSTEM
431: */
432:
1.1 kristaps 433: term_vspace(p);
434:
1.9 kristaps 435: p->offset = 0;
1.292 schwarze 436: sz = term_strlen(p, meta->date);
437: p->rmargin = p->maxrmargin > sz ?
438: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250 schwarze 439: p->trailspace = 1;
1.1 kristaps 440: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
441:
1.245 schwarze 442: term_word(p, meta->os);
1.1 kristaps 443: term_flushln(p);
444:
1.9 kristaps 445: p->offset = p->rmargin;
1.292 schwarze 446: sz = term_strlen(p, meta->os);
447: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234 schwarze 448: p->flags |= TERMP_NOSPACE;
1.9 kristaps 449:
1.245 schwarze 450: term_word(p, meta->date);
1.9 kristaps 451: term_flushln(p);
452:
1.1 kristaps 453: p->offset = p->rmargin;
454: p->rmargin = p->maxrmargin;
1.250 schwarze 455: p->trailspace = 0;
1.1 kristaps 456: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 457: p->flags |= TERMP_NOSPACE;
1.1 kristaps 458:
1.245 schwarze 459: term_word(p, meta->os);
1.1 kristaps 460: term_flushln(p);
461:
1.9 kristaps 462: p->offset = 0;
463: p->rmargin = p->maxrmargin;
464: p->flags = 0;
1.1 kristaps 465: }
466:
1.3 kristaps 467: static void
1.316 schwarze 468: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 469: {
1.267 schwarze 470: char *volume, *title;
471: size_t vollen, titlen;
1.1 kristaps 472:
473: /*
474: * The header is strange. It has three components, which are
475: * really two with the first duplicated. It goes like this:
476: *
477: * IDENTIFIER TITLE IDENTIFIER
478: *
479: * The IDENTIFIER is NAME(SECTION), which is the command-name
480: * (if given, or "unknown" if not) followed by the manual page
481: * section. These are given in `Dt'. The TITLE is a free-form
482: * string depending on the manual volume. If not specified, it
483: * switches on the manual section.
484: */
1.235 schwarze 485:
1.245 schwarze 486: assert(meta->vol);
1.267 schwarze 487: if (NULL == meta->arch)
488: volume = mandoc_strdup(meta->vol);
489: else
490: mandoc_asprintf(&volume, "%s (%s)",
491: meta->vol, meta->arch);
492: vollen = term_strlen(p, volume);
1.1 kristaps 493:
1.275 schwarze 494: if (NULL == meta->msec)
495: title = mandoc_strdup(meta->title);
496: else
497: mandoc_asprintf(&title, "%s(%s)",
498: meta->title, meta->msec);
1.235 schwarze 499: titlen = term_strlen(p, title);
1.1 kristaps 500:
1.235 schwarze 501: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 502: p->trailspace = 1;
1.1 kristaps 503: p->offset = 0;
1.267 schwarze 504: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
505: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292 schwarze 506: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 507:
508: term_word(p, title);
509: term_flushln(p);
510:
1.235 schwarze 511: p->flags |= TERMP_NOSPACE;
1.1 kristaps 512: p->offset = p->rmargin;
1.267 schwarze 513: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 514: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 515:
1.267 schwarze 516: term_word(p, volume);
1.1 kristaps 517: term_flushln(p);
518:
519: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 520: p->trailspace = 0;
1.235 schwarze 521: if (p->rmargin + titlen <= p->maxrmargin) {
522: p->flags |= TERMP_NOSPACE;
523: p->offset = p->rmargin;
524: p->rmargin = p->maxrmargin;
525: term_word(p, title);
526: term_flushln(p);
527: }
1.1 kristaps 528:
1.235 schwarze 529: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 530: p->offset = 0;
1.1 kristaps 531: p->rmargin = p->maxrmargin;
1.266 schwarze 532: free(title);
1.267 schwarze 533: free(volume);
1.1 kristaps 534: }
535:
1.302 schwarze 536: static int
1.157 kristaps 537: a2width(const struct termp *p, const char *v)
1.91 kristaps 538: {
1.92 kristaps 539: struct roffsu su;
1.1 kristaps 540:
1.300 schwarze 541: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157 kristaps 542: SCALE_HS_INIT(&su, term_strlen(p, v));
1.283 schwarze 543: su.scale /= term_strlen(p, "0");
1.302 schwarze 544: }
1.328 schwarze 545: return term_hspan(p, &su) / 24;
1.1 kristaps 546: }
547:
1.108 kristaps 548: /*
549: * Determine how much space to print out before block elements of `It'
550: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
551: * too.
552: */
1.54 kristaps 553: static void
1.264 schwarze 554: print_bvspace(struct termp *p,
1.315 schwarze 555: const struct roff_node *bl,
556: const struct roff_node *n)
1.1 kristaps 557: {
1.315 schwarze 558: const struct roff_node *nn;
1.236 schwarze 559:
560: assert(n);
1.1 kristaps 561:
562: term_newln(p);
1.150 kristaps 563:
1.202 kristaps 564: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 565: return;
1.202 kristaps 566: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 567: return;
568:
1.85 kristaps 569: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 570:
1.289 schwarze 571: nn = n;
1.337 schwarze 572: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
573: nn = nn->prev;
1.289 schwarze 574: while (nn->prev == NULL) {
575: do {
576: nn = nn->parent;
1.314 schwarze 577: if (nn->type == ROFFT_ROOT)
1.289 schwarze 578: return;
1.314 schwarze 579: } while (nn->type != ROFFT_BLOCK);
1.289 schwarze 580: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54 kristaps 581: return;
1.289 schwarze 582: if (nn->tok == MDOC_It &&
583: nn->parent->parent->norm->Bl.type != LIST_item)
584: break;
1.1 kristaps 585: }
586:
1.85 kristaps 587: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 588:
1.202 kristaps 589: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 590: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 591: return;
592:
1.85 kristaps 593: /* A `-diag' without body does not vspace. */
594:
1.202 kristaps 595: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 596: if (n->prev && MDOC_It == n->prev->tok) {
597: assert(n->prev->body);
598: if (NULL == n->prev->body->child)
1.55 kristaps 599: return;
600: }
601:
1.54 kristaps 602: term_vspace(p);
1.260 schwarze 603: }
604:
605:
606: static int
607: termp_ll_pre(DECL_ARGS)
608: {
609:
1.331 schwarze 610: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328 schwarze 611: return 0;
1.1 kristaps 612: }
613:
614: static int
615: termp_it_pre(DECL_ARGS)
616: {
1.302 schwarze 617: char buf[24];
1.315 schwarze 618: const struct roff_node *bl, *nn;
1.302 schwarze 619: size_t ncols, dcol;
620: int i, offset, width;
1.126 kristaps 621: enum mdoc_list type;
1.1 kristaps 622:
1.314 schwarze 623: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 624: print_bvspace(p, n->parent->parent, n);
1.328 schwarze 625: return 1;
1.54 kristaps 626: }
1.1 kristaps 627:
1.86 kristaps 628: bl = n->parent->parent->parent;
1.202 kristaps 629: type = bl->norm->Bl.type;
1.1 kristaps 630:
1.264 schwarze 631: /*
1.302 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:
1.332 schwarze 643: case LIST_tag:
1.302 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: /*
1.108 kristaps 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:
1.302 schwarze 661: if (bl->norm->Bl.offs != NULL) {
1.288 schwarze 662: offset = a2width(p, bl->norm->Bl.offs);
1.302 schwarze 663: if (offset < 0 && (size_t)(-offset) > p->offset)
664: offset = -p->offset;
665: else if (offset > SHRT_MAX)
666: offset = 0;
667: }
1.152 kristaps 668:
1.1 kristaps 669: switch (type) {
1.264 schwarze 670: case LIST_column:
1.314 schwarze 671: if (n->type == ROFFT_HEAD)
1.1 kristaps 672: break;
1.155 kristaps 673:
1.105 kristaps 674: /*
1.108 kristaps 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.
1.105 kristaps 682: */
1.202 kristaps 683: ncols = bl->norm->Bl.ncols;
1.264 schwarze 684: dcol = ncols < 5 ? term_len(p, 4) :
685: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 686:
1.134 kristaps 687: /*
1.314 schwarze 688: * Calculate the offset by applying all prior ROFFT_BODY,
689: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134 kristaps 690: */
691:
1.264 schwarze 692: for (i = 0, nn = n->prev;
693: nn->prev && i < (int)ncols;
694: nn = nn->prev, i++)
695: offset += dcol + a2width(p,
696: bl->norm->Bl.cols[i]);
1.105 kristaps 697:
698: /*
1.108 kristaps 699: * When exceeding the declared number of columns, leave
700: * the remaining widths at 0. This will later be
701: * adjusted to the default width of 10, or, for the last
702: * column, stretched to the right margin.
1.58 kristaps 703: */
1.108 kristaps 704: if (i >= (int)ncols)
705: break;
1.58 kristaps 706:
1.105 kristaps 707: /*
1.108 kristaps 708: * Use the declared column widths, extended as explained
709: * in the preceding paragraph.
1.105 kristaps 710: */
1.202 kristaps 711: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 712: break;
713: default:
1.202 kristaps 714: if (NULL == bl->norm->Bl.width)
1.108 kristaps 715: break;
716:
1.264 schwarze 717: /*
1.108 kristaps 718: * Note: buffer the width by 2, which is groff's magic
719: * number for buffering single arguments. See the above
720: * handling for column for how this changes.
721: */
1.202 kristaps 722: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302 schwarze 723: if (width < 0 && (size_t)(-width) > p->offset)
724: width = -p->offset;
725: else if (width > SHRT_MAX)
726: width = 0;
1.1 kristaps 727: break;
728: }
729:
1.264 schwarze 730: /*
1.17 kristaps 731: * Whitespace control. Inset bodies need an initial space,
732: * while diagonal bodies need two.
1.1 kristaps 733: */
734:
1.51 kristaps 735: p->flags |= TERMP_NOSPACE;
736:
1.1 kristaps 737: switch (type) {
1.264 schwarze 738: case LIST_diag:
1.314 schwarze 739: if (n->type == ROFFT_BODY)
1.62 kristaps 740: term_word(p, "\\ \\ ");
1.51 kristaps 741: break;
1.264 schwarze 742: case LIST_inset:
1.331 schwarze 743: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51 kristaps 744: term_word(p, "\\ ");
1.1 kristaps 745: break;
746: default:
747: break;
748: }
749:
1.51 kristaps 750: p->flags |= TERMP_NOSPACE;
751:
1.1 kristaps 752: switch (type) {
1.264 schwarze 753: case LIST_diag:
1.314 schwarze 754: if (n->type == ROFFT_HEAD)
1.102 kristaps 755: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 756: break;
757: default:
758: break;
759: }
760:
761: /*
1.109 kristaps 762: * Pad and break control. This is the tricky part. These flags
763: * are documented in term_flushln() in term.c. Note that we're
764: * going to unset all of these flags in termp_it_post() when we
765: * exit.
1.1 kristaps 766: */
767:
768: switch (type) {
1.264 schwarze 769: case LIST_enum:
1.329 schwarze 770: case LIST_bullet:
771: case LIST_dash:
772: case LIST_hyphen:
1.242 schwarze 773: /*
774: * Weird special case.
1.302 schwarze 775: * Some very narrow lists actually hang.
1.242 schwarze 776: */
1.302 schwarze 777: if (width <= (int)term_len(p, 2))
778: p->flags |= TERMP_HANG;
1.314 schwarze 779: if (n->type != ROFFT_HEAD)
1.250 schwarze 780: break;
781: p->flags |= TERMP_NOBREAK;
782: p->trailspace = 1;
1.39 kristaps 783: break;
1.264 schwarze 784: case LIST_hang:
1.314 schwarze 785: if (n->type != ROFFT_HEAD)
1.59 kristaps 786: break;
787:
788: /*
789: * This is ugly. If `-hang' is specified and the body
790: * is a `Bl' or `Bd', then we want basically to nullify
791: * the "overstep" effect in term_flushln() and treat
792: * this as a `-ohang' list instead.
793: */
1.279 schwarze 794: if (NULL != n->next &&
1.278 schwarze 795: NULL != n->next->child &&
796: (MDOC_Bl == n->next->child->tok ||
797: MDOC_Bd == n->next->child->tok))
1.250 schwarze 798: break;
799:
1.263 schwarze 800: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 801: p->trailspace = 1;
1.39 kristaps 802: break;
1.264 schwarze 803: case LIST_tag:
1.314 schwarze 804: if (n->type != ROFFT_HEAD)
1.39 kristaps 805: break;
1.250 schwarze 806:
1.326 schwarze 807: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250 schwarze 808: p->trailspace = 2;
809:
1.86 kristaps 810: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 811: p->flags |= TERMP_DANGLE;
1.1 kristaps 812: break;
1.264 schwarze 813: case LIST_column:
1.314 schwarze 814: if (n->type == ROFFT_HEAD)
1.134 kristaps 815: break;
816:
1.250 schwarze 817: if (NULL == n->next) {
1.134 kristaps 818: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 819: p->trailspace = 0;
820: } else {
1.134 kristaps 821: p->flags |= TERMP_NOBREAK;
1.250 schwarze 822: p->trailspace = 1;
823: }
1.134 kristaps 824:
1.1 kristaps 825: break;
1.264 schwarze 826: case LIST_diag:
1.314 schwarze 827: if (n->type != ROFFT_HEAD)
1.250 schwarze 828: break;
1.263 schwarze 829: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 830: p->trailspace = 1;
1.1 kristaps 831: break;
832: default:
833: break;
834: }
835:
1.264 schwarze 836: /*
1.1 kristaps 837: * Margin control. Set-head-width lists have their right
838: * margins shortened. The body for these lists has the offset
839: * necessarily lengthened. Everybody gets the offset.
840: */
841:
842: p->offset += offset;
843:
844: switch (type) {
1.264 schwarze 845: case LIST_hang:
1.59 kristaps 846: /*
847: * Same stipulation as above, regarding `-hang'. We
848: * don't want to recalculate rmargin and offsets when
849: * using `Bd' or `Bl' within `-hang' overstep lists.
850: */
1.314 schwarze 851: if (n->type == ROFFT_HEAD &&
1.279 schwarze 852: NULL != n->next &&
1.278 schwarze 853: NULL != n->next->child &&
854: (MDOC_Bl == n->next->child->tok ||
855: MDOC_Bd == n->next->child->tok))
1.59 kristaps 856: break;
857: /* FALLTHROUGH */
1.264 schwarze 858: case LIST_bullet:
859: case LIST_dash:
860: case LIST_enum:
861: case LIST_hyphen:
862: case LIST_tag:
1.314 schwarze 863: if (n->type == ROFFT_HEAD)
1.1 kristaps 864: p->rmargin = p->offset + width;
1.292 schwarze 865: else
1.1 kristaps 866: p->offset += width;
867: break;
1.264 schwarze 868: case LIST_column:
1.49 kristaps 869: assert(width);
1.1 kristaps 870: p->rmargin = p->offset + width;
1.264 schwarze 871: /*
1.50 kristaps 872: * XXX - this behaviour is not documented: the
873: * right-most column is filled to the right margin.
874: */
1.314 schwarze 875: if (n->type == ROFFT_HEAD)
1.134 kristaps 876: break;
877: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 878: p->rmargin = p->maxrmargin;
1.1 kristaps 879: break;
880: default:
881: break;
882: }
883:
1.264 schwarze 884: /*
1.1 kristaps 885: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 886: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 887: */
888:
1.314 schwarze 889: if (n->type == ROFFT_HEAD)
1.1 kristaps 890: switch (type) {
1.264 schwarze 891: case LIST_bullet:
1.102 kristaps 892: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 893: term_word(p, "\\[bu]");
1.102 kristaps 894: term_fontpop(p);
1.1 kristaps 895: break;
1.264 schwarze 896: case LIST_dash:
897: case LIST_hyphen:
1.102 kristaps 898: term_fontpush(p, TERMFONT_BOLD);
1.330 schwarze 899: term_word(p, "-");
1.102 kristaps 900: term_fontpop(p);
1.1 kristaps 901: break;
1.264 schwarze 902: case LIST_enum:
1.1 kristaps 903: (pair->ppair->ppair->count)++;
1.265 schwarze 904: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 905: pair->ppair->ppair->count);
1.1 kristaps 906: term_word(p, buf);
907: break;
908: default:
909: break;
910: }
911:
1.264 schwarze 912: /*
1.1 kristaps 913: * If we're not going to process our children, indicate so here.
914: */
915:
916: switch (type) {
1.264 schwarze 917: case LIST_bullet:
918: case LIST_item:
919: case LIST_dash:
920: case LIST_hyphen:
921: case LIST_enum:
1.314 schwarze 922: if (n->type == ROFFT_HEAD)
1.328 schwarze 923: return 0;
1.1 kristaps 924: break;
1.264 schwarze 925: case LIST_column:
1.314 schwarze 926: if (n->type == ROFFT_HEAD)
1.328 schwarze 927: return 0;
1.1 kristaps 928: break;
929: default:
930: break;
931: }
932:
1.328 schwarze 933: return 1;
1.1 kristaps 934: }
935:
936: static void
937: termp_it_post(DECL_ARGS)
938: {
1.126 kristaps 939: enum mdoc_list type;
1.1 kristaps 940:
1.314 schwarze 941: if (n->type == ROFFT_BLOCK)
1.1 kristaps 942: return;
943:
1.202 kristaps 944: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 945:
946: switch (type) {
1.264 schwarze 947: case LIST_item:
948: case LIST_diag:
949: case LIST_inset:
1.314 schwarze 950: if (n->type == ROFFT_BODY)
1.130 schwarze 951: term_newln(p);
1.1 kristaps 952: break;
1.264 schwarze 953: case LIST_column:
1.314 schwarze 954: if (n->type == ROFFT_BODY)
1.1 kristaps 955: term_flushln(p);
956: break;
957: default:
1.130 schwarze 958: term_newln(p);
1.1 kristaps 959: break;
960: }
961:
1.264 schwarze 962: /*
1.109 kristaps 963: * Now that our output is flushed, we can reset our tags. Since
964: * only `It' sets these flags, we're free to assume that nobody
965: * has munged them in the meanwhile.
966: */
967:
1.326 schwarze 968: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263 schwarze 969: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 970: p->trailspace = 0;
1.1 kristaps 971: }
972:
973: static int
974: termp_nm_pre(DECL_ARGS)
975: {
1.296 schwarze 976: const char *cp;
1.1 kristaps 977:
1.314 schwarze 978: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 979: p->flags |= TERMP_PREKEEP;
1.328 schwarze 980: return 1;
1.253 schwarze 981: }
1.164 schwarze 982:
1.314 schwarze 983: if (n->type == ROFFT_BODY) {
1.164 schwarze 984: if (NULL == n->child)
1.328 schwarze 985: return 0;
1.234 schwarze 986: p->flags |= TERMP_NOSPACE;
1.296 schwarze 987: cp = NULL;
988: if (n->prev->child != NULL)
989: cp = n->prev->child->string;
990: if (cp == NULL)
991: cp = meta->name;
992: if (cp == NULL)
993: p->offset += term_len(p, 6);
994: else
995: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328 schwarze 996: return 1;
1.164 schwarze 997: }
998:
1.245 schwarze 999: if (NULL == n->child && NULL == meta->name)
1.328 schwarze 1000: return 0;
1.125 kristaps 1001:
1.314 schwarze 1002: if (n->type == ROFFT_HEAD)
1.177 schwarze 1003: synopsis_pre(p, n->parent);
1.102 kristaps 1004:
1.314 schwarze 1005: if (n->type == ROFFT_HEAD &&
1.278 schwarze 1006: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1007: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1008: p->trailspace = 1;
1.185 schwarze 1009: p->rmargin = p->offset + term_len(p, 1);
1010: if (NULL == n->child) {
1.245 schwarze 1011: p->rmargin += term_strlen(p, meta->name);
1.314 schwarze 1012: } else if (n->child->type == ROFFT_TEXT) {
1.185 schwarze 1013: p->rmargin += term_strlen(p, n->child->string);
1014: if (n->child->next)
1015: p->flags |= TERMP_HANG;
1016: } else {
1017: p->rmargin += term_len(p, 5);
1018: p->flags |= TERMP_HANG;
1019: }
1.164 schwarze 1020: }
1021:
1.102 kristaps 1022: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1023: if (NULL == n->child)
1.245 schwarze 1024: term_word(p, meta->name);
1.328 schwarze 1025: return 1;
1.1 kristaps 1026: }
1027:
1.164 schwarze 1028: static void
1029: termp_nm_post(DECL_ARGS)
1030: {
1031:
1.314 schwarze 1032: if (n->type == ROFFT_BLOCK) {
1.253 schwarze 1033: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314 schwarze 1034: } else if (n->type == ROFFT_HEAD &&
1.278 schwarze 1035: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1036: term_flushln(p);
1.263 schwarze 1037: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1038: p->trailspace = 0;
1.314 schwarze 1039: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164 schwarze 1040: term_flushln(p);
1041: }
1042:
1.1 kristaps 1043: static int
1044: termp_fl_pre(DECL_ARGS)
1045: {
1046:
1.320 schwarze 1047: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1048: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1049: term_word(p, "\\-");
1.103 kristaps 1050:
1.331 schwarze 1051: if (!(n->child == NULL &&
1.280 schwarze 1052: (n->next == NULL ||
1.314 schwarze 1053: n->next->type == ROFFT_TEXT ||
1.338 schwarze 1054: n->next->flags & NODE_LINE)))
1.103 kristaps 1055: p->flags |= TERMP_NOSPACE;
1056:
1.328 schwarze 1057: return 1;
1.1 kristaps 1058: }
1059:
1060: static int
1.184 kristaps 1061: termp__a_pre(DECL_ARGS)
1062: {
1063:
1064: if (n->prev && MDOC__A == n->prev->tok)
1065: if (NULL == n->next || MDOC__A != n->next->tok)
1066: term_word(p, "and");
1067:
1.328 schwarze 1068: return 1;
1.184 kristaps 1069: }
1070:
1071: static int
1.61 kristaps 1072: termp_an_pre(DECL_ARGS)
1073: {
1074:
1.282 schwarze 1075: if (n->norm->An.auth == AUTH_split) {
1076: p->flags &= ~TERMP_NOSPLIT;
1077: p->flags |= TERMP_SPLIT;
1.328 schwarze 1078: return 0;
1.282 schwarze 1079: }
1080: if (n->norm->An.auth == AUTH_nosplit) {
1081: p->flags &= ~TERMP_SPLIT;
1082: p->flags |= TERMP_NOSPLIT;
1.328 schwarze 1083: return 0;
1.282 schwarze 1084: }
1.264 schwarze 1085:
1.282 schwarze 1086: if (p->flags & TERMP_SPLIT)
1.61 kristaps 1087: term_newln(p);
1088:
1.282 schwarze 1089: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1090: p->flags |= TERMP_SPLIT;
1.61 kristaps 1091:
1.328 schwarze 1092: return 1;
1.61 kristaps 1093: }
1094:
1095: static int
1.1 kristaps 1096: termp_ns_pre(DECL_ARGS)
1097: {
1098:
1.338 schwarze 1099: if ( ! (NODE_LINE & n->flags))
1.215 kristaps 1100: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1101: return 1;
1.1 kristaps 1102: }
1103:
1104: static int
1105: termp_rs_pre(DECL_ARGS)
1106: {
1107:
1.86 kristaps 1108: if (SEC_SEE_ALSO != n->sec)
1.328 schwarze 1109: return 1;
1.314 schwarze 1110: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1111: term_vspace(p);
1.328 schwarze 1112: return 1;
1.1 kristaps 1113: }
1114:
1115: static int
1116: termp_ex_pre(DECL_ARGS)
1117: {
1.224 kristaps 1118: term_newln(p);
1.341 schwarze 1119: return 1;
1.1 kristaps 1120: }
1121:
1122: static int
1123: termp_nd_pre(DECL_ARGS)
1124: {
1.25 kristaps 1125:
1.314 schwarze 1126: if (n->type == ROFFT_BODY)
1.297 schwarze 1127: term_word(p, "\\(en");
1.328 schwarze 1128: return 1;
1.115 kristaps 1129: }
1130:
1131: static int
1132: termp_bl_pre(DECL_ARGS)
1133: {
1134:
1.328 schwarze 1135: return n->type != ROFFT_HEAD;
1.1 kristaps 1136: }
1137:
1138: static void
1139: termp_bl_post(DECL_ARGS)
1140: {
1141:
1.314 schwarze 1142: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1143: term_newln(p);
1144: }
1145:
1146: static int
1147: termp_xr_pre(DECL_ARGS)
1148: {
1149:
1.225 kristaps 1150: if (NULL == (n = n->child))
1.328 schwarze 1151: return 0;
1.113 kristaps 1152:
1.314 schwarze 1153: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1154: term_word(p, n->string);
1.11 kristaps 1155:
1.264 schwarze 1156: if (NULL == (n = n->next))
1.328 schwarze 1157: return 0;
1.225 kristaps 1158:
1.1 kristaps 1159: p->flags |= TERMP_NOSPACE;
1160: term_word(p, "(");
1.222 kristaps 1161: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1162:
1.314 schwarze 1163: assert(n->type == ROFFT_TEXT);
1.225 kristaps 1164: term_word(p, n->string);
1165:
1.222 kristaps 1166: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1167: term_word(p, ")");
1.86 kristaps 1168:
1.328 schwarze 1169: return 0;
1.1 kristaps 1170: }
1171:
1.143 kristaps 1172: /*
1173: * This decides how to assert whitespace before any of the SYNOPSIS set
1174: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1175: * macro combos).
1176: */
1177: static void
1.315 schwarze 1178: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143 kristaps 1179: {
1.264 schwarze 1180: /*
1.143 kristaps 1181: * Obviously, if we're not in a SYNOPSIS or no prior macros
1182: * exist, do nothing.
1183: */
1.338 schwarze 1184: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.143 kristaps 1185: return;
1186:
1187: /*
1188: * If we're the second in a pair of like elements, emit our
1189: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1190: * case we soldier on.
1191: */
1.264 schwarze 1192: if (n->prev->tok == n->tok &&
1193: MDOC_Ft != n->tok &&
1194: MDOC_Fo != n->tok &&
1195: MDOC_Fn != n->tok) {
1.143 kristaps 1196: term_newln(p);
1197: return;
1198: }
1199:
1200: /*
1201: * If we're one of the SYNOPSIS set and non-like pair-wise after
1202: * another (or Fn/Fo, which we've let slip through) then assert
1203: * vertical space, else only newline and move on.
1204: */
1205: switch (n->prev->tok) {
1.264 schwarze 1206: case MDOC_Fd:
1207: case MDOC_Fn:
1208: case MDOC_Fo:
1209: case MDOC_In:
1210: case MDOC_Vt:
1.143 kristaps 1211: term_vspace(p);
1212: break;
1.264 schwarze 1213: case MDOC_Ft:
1.143 kristaps 1214: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1215: term_vspace(p);
1216: break;
1217: }
1218: /* FALLTHROUGH */
1219: default:
1220: term_newln(p);
1221: break;
1222: }
1223: }
1224:
1.110 kristaps 1225: static int
1226: termp_vt_pre(DECL_ARGS)
1227: {
1228:
1.314 schwarze 1229: if (n->type == ROFFT_ELEM) {
1.143 kristaps 1230: synopsis_pre(p, n);
1.328 schwarze 1231: return termp_under_pre(p, pair, meta, n);
1.314 schwarze 1232: } else if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1233: synopsis_pre(p, n);
1.328 schwarze 1234: return 1;
1.314 schwarze 1235: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1236: return 0;
1.110 kristaps 1237:
1.328 schwarze 1238: return termp_under_pre(p, pair, meta, n);
1.110 kristaps 1239: }
1240:
1.1 kristaps 1241: static int
1.69 kristaps 1242: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1243: {
1244:
1.320 schwarze 1245: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1246: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1247: return 1;
1.1 kristaps 1248: }
1249:
1.143 kristaps 1250: static int
1251: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1252: {
1253:
1.143 kristaps 1254: synopsis_pre(p, n);
1.328 schwarze 1255: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1256: }
1257:
1.241 schwarze 1258: static void
1259: termp_fd_post(DECL_ARGS)
1260: {
1261:
1262: term_newln(p);
1263: }
1264:
1.1 kristaps 1265: static int
1266: termp_sh_pre(DECL_ARGS)
1267: {
1.85 kristaps 1268:
1.86 kristaps 1269: switch (n->type) {
1.314 schwarze 1270: case ROFFT_BLOCK:
1.293 schwarze 1271: /*
1272: * Vertical space before sections, except
1273: * when the previous section was empty.
1274: */
1275: if (n->prev == NULL ||
1.322 schwarze 1276: n->prev->tok != MDOC_Sh ||
1.293 schwarze 1277: (n->prev->body != NULL &&
1278: n->prev->body->child != NULL))
1279: term_vspace(p);
1.65 kristaps 1280: break;
1.314 schwarze 1281: case ROFFT_HEAD:
1.102 kristaps 1282: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1283: break;
1.314 schwarze 1284: case ROFFT_BODY:
1.238 schwarze 1285: p->offset = term_len(p, p->defindent);
1.322 schwarze 1286: switch (n->sec) {
1287: case SEC_DESCRIPTION:
1288: fn_prio = 0;
1289: break;
1290: case SEC_AUTHORS:
1.239 schwarze 1291: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322 schwarze 1292: break;
1293: default:
1294: break;
1295: }
1.1 kristaps 1296: break;
1297: default:
1298: break;
1299: }
1.328 schwarze 1300: return 1;
1.1 kristaps 1301: }
1302:
1303: static void
1304: termp_sh_post(DECL_ARGS)
1305: {
1306:
1.86 kristaps 1307: switch (n->type) {
1.314 schwarze 1308: case ROFFT_HEAD:
1.1 kristaps 1309: term_newln(p);
1310: break;
1.314 schwarze 1311: case ROFFT_BODY:
1.1 kristaps 1312: term_newln(p);
1313: p->offset = 0;
1314: break;
1315: default:
1316: break;
1317: }
1318: }
1319:
1320: static void
1321: termp_lb_post(DECL_ARGS)
1322: {
1323:
1.338 schwarze 1324: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81 kristaps 1325: term_newln(p);
1.1 kristaps 1326: }
1327:
1328: static int
1329: termp_d1_pre(DECL_ARGS)
1330: {
1331:
1.314 schwarze 1332: if (n->type != ROFFT_BLOCK)
1.328 schwarze 1333: return 1;
1.1 kristaps 1334: term_newln(p);
1.238 schwarze 1335: p->offset += term_len(p, p->defindent + 1);
1.328 schwarze 1336: return 1;
1.1 kristaps 1337: }
1338:
1339: static int
1340: termp_ft_pre(DECL_ARGS)
1341: {
1342:
1.338 schwarze 1343: /* NB: NODE_LINE does not effect this! */
1.143 kristaps 1344: synopsis_pre(p, n);
1.102 kristaps 1345: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1346: return 1;
1.1 kristaps 1347: }
1348:
1349: static int
1350: termp_fn_pre(DECL_ARGS)
1351: {
1.257 schwarze 1352: size_t rmargin = 0;
1.226 kristaps 1353: int pretty;
1354:
1.338 schwarze 1355: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1356:
1.143 kristaps 1357: synopsis_pre(p, n);
1.139 kristaps 1358:
1.226 kristaps 1359: if (NULL == (n = n->child))
1.328 schwarze 1360: return 0;
1.226 kristaps 1361:
1.251 schwarze 1362: if (pretty) {
1363: rmargin = p->rmargin;
1.257 schwarze 1364: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1365: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1366: }
1367:
1.314 schwarze 1368: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1369: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1370: term_word(p, n->string);
1.102 kristaps 1371: term_fontpop(p);
1.1 kristaps 1372:
1.336 schwarze 1373: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.324 schwarze 1374: tag_put(n->string, ++fn_prio, p->line);
1.322 schwarze 1375:
1.251 schwarze 1376: if (pretty) {
1377: term_flushln(p);
1.263 schwarze 1378: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1379: p->offset = p->rmargin;
1380: p->rmargin = rmargin;
1381: }
1382:
1.1 kristaps 1383: p->flags |= TERMP_NOSPACE;
1384: term_word(p, "(");
1.222 kristaps 1385: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1386:
1.226 kristaps 1387: for (n = n->next; n; n = n->next) {
1.314 schwarze 1388: assert(n->type == ROFFT_TEXT);
1.102 kristaps 1389: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1390: if (pretty)
1391: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1392: term_word(p, n->string);
1.102 kristaps 1393: term_fontpop(p);
1394:
1.226 kristaps 1395: if (n->next) {
1.222 kristaps 1396: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1397: term_word(p, ",");
1.222 kristaps 1398: }
1.1 kristaps 1399: }
1400:
1.222 kristaps 1401: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1402: term_word(p, ")");
1403:
1.226 kristaps 1404: if (pretty) {
1.222 kristaps 1405: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1406: term_word(p, ";");
1.251 schwarze 1407: term_flushln(p);
1.222 kristaps 1408: }
1.1 kristaps 1409:
1.328 schwarze 1410: return 0;
1.1 kristaps 1411: }
1412:
1413: static int
1414: termp_fa_pre(DECL_ARGS)
1415: {
1.315 schwarze 1416: const struct roff_node *nn;
1.1 kristaps 1417:
1.86 kristaps 1418: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1419: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 1420: return 1;
1.1 kristaps 1421: }
1422:
1.86 kristaps 1423: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1424: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1425: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1426: term_word(p, nn->string);
1.102 kristaps 1427: term_fontpop(p);
1428:
1.256 schwarze 1429: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1430: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1431: term_word(p, ",");
1.222 kristaps 1432: }
1.1 kristaps 1433: }
1434:
1.328 schwarze 1435: return 0;
1.1 kristaps 1436: }
1437:
1438: static int
1439: termp_bd_pre(DECL_ARGS)
1440: {
1.272 schwarze 1441: size_t tabwidth, lm, len, rm, rmax;
1.315 schwarze 1442: struct roff_node *nn;
1.302 schwarze 1443: int offset;
1.1 kristaps 1444:
1.314 schwarze 1445: if (n->type == ROFFT_BLOCK) {
1.151 kristaps 1446: print_bvspace(p, n, n);
1.328 schwarze 1447: return 1;
1.314 schwarze 1448: } else if (n->type == ROFFT_HEAD)
1.328 schwarze 1449: return 0;
1.1 kristaps 1450:
1.288 schwarze 1451: /* Handle the -offset argument. */
1452:
1453: if (n->norm->Bd.offs == NULL ||
1454: ! strcmp(n->norm->Bd.offs, "left"))
1455: /* nothing */;
1456: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1457: p->offset += term_len(p, p->defindent + 1);
1458: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1459: p->offset += term_len(p, (p->defindent + 1) * 2);
1.302 schwarze 1460: else {
1461: offset = a2width(p, n->norm->Bd.offs);
1462: if (offset < 0 && (size_t)(-offset) > p->offset)
1463: p->offset = 0;
1464: else if (offset < SHRT_MAX)
1465: p->offset += offset;
1466: }
1.85 kristaps 1467:
1468: /*
1469: * If -ragged or -filled are specified, the block does nothing
1470: * but change the indentation. If -unfilled or -literal are
1471: * specified, text is printed exactly as entered in the display:
1472: * for macro lines, a newline is appended to the line. Blank
1473: * lines are allowed.
1474: */
1.264 schwarze 1475:
1476: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1477: DISP_unfilled != n->norm->Bd.type &&
1478: DISP_centered != n->norm->Bd.type)
1.328 schwarze 1479: return 1;
1.1 kristaps 1480:
1.129 schwarze 1481: tabwidth = p->tabwidth;
1.208 kristaps 1482: if (DISP_literal == n->norm->Bd.type)
1483: p->tabwidth = term_len(p, 8);
1484:
1.272 schwarze 1485: lm = p->offset;
1.119 kristaps 1486: rm = p->rmargin;
1487: rmax = p->maxrmargin;
1.120 kristaps 1488: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1489:
1.86 kristaps 1490: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1491: if (DISP_centered == n->norm->Bd.type) {
1.314 schwarze 1492: if (nn->type == ROFFT_TEXT) {
1.272 schwarze 1493: len = term_strlen(p, nn->string);
1494: p->offset = len >= rm ? 0 :
1495: lm + len >= rm ? rm - len :
1496: (lm + rm - len) / 2;
1497: } else
1498: p->offset = lm;
1499: }
1.245 schwarze 1500: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1501: /*
1502: * If the printed node flushes its own line, then we
1503: * needn't do it here as well. This is hacky, but the
1504: * notion of selective eoln whitespace is pretty dumb
1505: * anyway, so don't sweat it.
1506: */
1507: switch (nn->tok) {
1.264 schwarze 1508: case MDOC_Sm:
1509: case MDOC_br:
1510: case MDOC_sp:
1511: case MDOC_Bl:
1512: case MDOC_D1:
1513: case MDOC_Dl:
1514: case MDOC_Lp:
1515: case MDOC_Pp:
1.190 kristaps 1516: continue;
1517: default:
1518: break;
1519: }
1.299 schwarze 1520: if (p->flags & TERMP_NONEWLINE ||
1.338 schwarze 1521: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.180 schwarze 1522: continue;
1523: term_flushln(p);
1524: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1525: }
1.147 kristaps 1526:
1.129 schwarze 1527: p->tabwidth = tabwidth;
1.119 kristaps 1528: p->rmargin = rm;
1529: p->maxrmargin = rmax;
1.328 schwarze 1530: return 0;
1.1 kristaps 1531: }
1532:
1533: static void
1534: termp_bd_post(DECL_ARGS)
1535: {
1.119 kristaps 1536: size_t rm, rmax;
1.1 kristaps 1537:
1.314 schwarze 1538: if (n->type != ROFFT_BODY)
1.1 kristaps 1539: return;
1.118 kristaps 1540:
1.119 kristaps 1541: rm = p->rmargin;
1542: rmax = p->maxrmargin;
1.118 kristaps 1543:
1.264 schwarze 1544: if (DISP_literal == n->norm->Bd.type ||
1545: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1546: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1547:
1.60 kristaps 1548: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1549: term_newln(p);
1.118 kristaps 1550:
1.119 kristaps 1551: p->rmargin = rm;
1552: p->maxrmargin = rmax;
1.1 kristaps 1553: }
1554:
1555: static int
1.26 kristaps 1556: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1557: {
1.339 schwarze 1558: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1559: p->flags |= TERMP_PREKEEP;
1560: return 1;
1561: }
1.1 kristaps 1562:
1.339 schwarze 1563: static void
1564: termp_xx_post(DECL_ARGS)
1565: {
1566: if (n->aux == 0)
1567: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1568: }
1569:
1570: static void
1571: termp_pf_post(DECL_ARGS)
1572: {
1573:
1.338 schwarze 1574: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.298 schwarze 1575: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1576: }
1577:
1578: static int
1579: termp_ss_pre(DECL_ARGS)
1580: {
1.337 schwarze 1581: struct roff_node *nn;
1.1 kristaps 1582:
1.86 kristaps 1583: switch (n->type) {
1.314 schwarze 1584: case ROFFT_BLOCK:
1.1 kristaps 1585: term_newln(p);
1.337 schwarze 1586: for (nn = n->prev; nn != NULL; nn = nn->prev)
1587: if ((nn->flags & NODE_NOPRT) == 0)
1588: break;
1589: if (nn != NULL)
1.1 kristaps 1590: term_vspace(p);
1591: break;
1.314 schwarze 1592: case ROFFT_HEAD:
1.102 kristaps 1593: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1594: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1595: break;
1.314 schwarze 1596: case ROFFT_BODY:
1.274 schwarze 1597: p->offset = term_len(p, p->defindent);
1598: break;
1.1 kristaps 1599: default:
1600: break;
1601: }
1602:
1.328 schwarze 1603: return 1;
1.1 kristaps 1604: }
1605:
1606: static void
1607: termp_ss_post(DECL_ARGS)
1608: {
1609:
1.314 schwarze 1610: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1611: term_newln(p);
1612: }
1613:
1614: static int
1615: termp_cd_pre(DECL_ARGS)
1616: {
1617:
1.143 kristaps 1618: synopsis_pre(p, n);
1.102 kristaps 1619: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 1620: return 1;
1.1 kristaps 1621: }
1622:
1623: static int
1624: termp_in_pre(DECL_ARGS)
1625: {
1.142 schwarze 1626:
1.143 kristaps 1627: synopsis_pre(p, n);
1.1 kristaps 1628:
1.338 schwarze 1629: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138 kristaps 1630: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1631: term_word(p, "#include");
1.138 kristaps 1632: term_word(p, "<");
1633: } else {
1634: term_word(p, "<");
1635: term_fontpush(p, TERMFONT_UNDER);
1636: }
1.22 kristaps 1637:
1.1 kristaps 1638: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1639: return 1;
1.1 kristaps 1640: }
1641:
1642: static void
1643: termp_in_post(DECL_ARGS)
1644: {
1645:
1.338 schwarze 1646: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1647: term_fontpush(p, TERMFONT_BOLD);
1648:
1.79 kristaps 1649: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1650: term_word(p, ">");
1651:
1.338 schwarze 1652: if (NODE_SYNPRETTY & n->flags)
1.138 kristaps 1653: term_fontpop(p);
1.1 kristaps 1654: }
1655:
1656: static int
1.45 kristaps 1657: termp_sp_pre(DECL_ARGS)
1658: {
1.300 schwarze 1659: struct roffsu su;
1.312 schwarze 1660: int i, len;
1.45 kristaps 1661:
1.86 kristaps 1662: switch (n->tok) {
1.264 schwarze 1663: case MDOC_sp:
1.300 schwarze 1664: if (n->child) {
1665: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1666: su.scale = 1.0;
1667: len = term_vspan(p, &su);
1668: } else
1669: len = 1;
1.76 kristaps 1670: break;
1.264 schwarze 1671: case MDOC_br:
1.76 kristaps 1672: len = 0;
1673: break;
1674: default:
1675: len = 1;
1.322 schwarze 1676: fn_prio = 0;
1.76 kristaps 1677: break;
1.45 kristaps 1678: }
1679:
1680: if (0 == len)
1681: term_newln(p);
1.312 schwarze 1682: else if (len < 0)
1683: p->skipvsp -= len;
1684: else
1685: for (i = 0; i < len; i++)
1686: term_vspace(p);
1.45 kristaps 1687:
1.328 schwarze 1688: return 0;
1.45 kristaps 1689: }
1690:
1691: static int
1.294 schwarze 1692: termp_skip_pre(DECL_ARGS)
1.268 schwarze 1693: {
1694:
1.328 schwarze 1695: return 0;
1.268 schwarze 1696: }
1697:
1698: static int
1.188 kristaps 1699: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1700: {
1701:
1.314 schwarze 1702: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328 schwarze 1703: return 1;
1.1 kristaps 1704:
1.188 kristaps 1705: switch (n->tok) {
1.264 schwarze 1706: case MDOC_Ao:
1707: case MDOC_Aq:
1.331 schwarze 1708: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1709: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188 kristaps 1710: break;
1.264 schwarze 1711: case MDOC_Bro:
1712: case MDOC_Brq:
1.188 kristaps 1713: term_word(p, "{");
1714: break;
1.264 schwarze 1715: case MDOC_Oo:
1716: case MDOC_Op:
1717: case MDOC_Bo:
1718: case MDOC_Bq:
1.188 kristaps 1719: term_word(p, "[");
1720: break;
1.264 schwarze 1721: case MDOC_Do:
1722: case MDOC_Dq:
1.311 schwarze 1723: term_word(p, "\\(Lq");
1.188 kristaps 1724: break;
1.268 schwarze 1725: case MDOC_En:
1726: if (NULL == n->norm->Es ||
1727: NULL == n->norm->Es->child)
1.328 schwarze 1728: return 1;
1.268 schwarze 1729: term_word(p, n->norm->Es->child->string);
1730: break;
1.264 schwarze 1731: case MDOC_Po:
1732: case MDOC_Pq:
1.188 kristaps 1733: term_word(p, "(");
1734: break;
1.264 schwarze 1735: case MDOC__T:
1736: case MDOC_Qo:
1737: case MDOC_Qq:
1.188 kristaps 1738: term_word(p, "\"");
1739: break;
1.264 schwarze 1740: case MDOC_Ql:
1741: case MDOC_So:
1742: case MDOC_Sq:
1.249 schwarze 1743: term_word(p, "\\(oq");
1.188 kristaps 1744: break;
1745: default:
1746: abort();
1747: }
1.1 kristaps 1748:
1749: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1750: return 1;
1.1 kristaps 1751: }
1752:
1753: static void
1.188 kristaps 1754: termp_quote_post(DECL_ARGS)
1.1 kristaps 1755: {
1756:
1.314 schwarze 1757: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1758: return;
1759:
1.306 schwarze 1760: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1761:
1.188 kristaps 1762: switch (n->tok) {
1.264 schwarze 1763: case MDOC_Ao:
1764: case MDOC_Aq:
1.331 schwarze 1765: term_word(p, n->child != NULL && n->child->next == NULL &&
1.303 schwarze 1766: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188 kristaps 1767: break;
1.264 schwarze 1768: case MDOC_Bro:
1769: case MDOC_Brq:
1.188 kristaps 1770: term_word(p, "}");
1771: break;
1.264 schwarze 1772: case MDOC_Oo:
1773: case MDOC_Op:
1774: case MDOC_Bo:
1775: case MDOC_Bq:
1.188 kristaps 1776: term_word(p, "]");
1777: break;
1.264 schwarze 1778: case MDOC_Do:
1779: case MDOC_Dq:
1.311 schwarze 1780: term_word(p, "\\(Rq");
1.268 schwarze 1781: break;
1782: case MDOC_En:
1.306 schwarze 1783: if (n->norm->Es == NULL ||
1784: n->norm->Es->child == NULL ||
1785: n->norm->Es->child->next == NULL)
1786: p->flags &= ~TERMP_NOSPACE;
1787: else
1.268 schwarze 1788: term_word(p, n->norm->Es->child->next->string);
1.188 kristaps 1789: break;
1.264 schwarze 1790: case MDOC_Po:
1791: case MDOC_Pq:
1.188 kristaps 1792: term_word(p, ")");
1793: break;
1.264 schwarze 1794: case MDOC__T:
1795: case MDOC_Qo:
1796: case MDOC_Qq:
1.188 kristaps 1797: term_word(p, "\"");
1798: break;
1.264 schwarze 1799: case MDOC_Ql:
1800: case MDOC_So:
1801: case MDOC_Sq:
1.249 schwarze 1802: term_word(p, "\\(cq");
1.188 kristaps 1803: break;
1804: default:
1805: abort();
1806: }
1.306 schwarze 1807: }
1808:
1809: static int
1810: termp_eo_pre(DECL_ARGS)
1811: {
1812:
1.314 schwarze 1813: if (n->type != ROFFT_BODY)
1.328 schwarze 1814: return 1;
1.306 schwarze 1815:
1816: if (n->end == ENDBODY_NOT &&
1817: n->parent->head->child == NULL &&
1818: n->child != NULL &&
1819: n->child->end != ENDBODY_NOT)
1820: term_word(p, "\\&");
1821: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309 schwarze 1822: n->parent->head->child != NULL && (n->child != NULL ||
1823: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306 schwarze 1824: p->flags |= TERMP_NOSPACE;
1825:
1.328 schwarze 1826: return 1;
1.306 schwarze 1827: }
1828:
1829: static void
1830: termp_eo_post(DECL_ARGS)
1831: {
1832: int body, tail;
1833:
1.314 schwarze 1834: if (n->type != ROFFT_BODY)
1.306 schwarze 1835: return;
1836:
1837: if (n->end != ENDBODY_NOT) {
1838: p->flags &= ~TERMP_NOSPACE;
1839: return;
1840: }
1841:
1842: body = n->child != NULL || n->parent->head->child != NULL;
1843: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1844:
1845: if (body && tail)
1846: p->flags |= TERMP_NOSPACE;
1847: else if ( ! (body || tail))
1848: term_word(p, "\\&");
1849: else if ( ! tail)
1850: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1851: }
1852:
1853: static int
1854: termp_fo_pre(DECL_ARGS)
1855: {
1.257 schwarze 1856: size_t rmargin = 0;
1.256 schwarze 1857: int pretty;
1858:
1.338 schwarze 1859: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1860:
1.314 schwarze 1861: if (n->type == ROFFT_BLOCK) {
1.143 kristaps 1862: synopsis_pre(p, n);
1.328 schwarze 1863: return 1;
1.314 schwarze 1864: } else if (n->type == ROFFT_BODY) {
1.256 schwarze 1865: if (pretty) {
1866: rmargin = p->rmargin;
1.257 schwarze 1867: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1868: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1869: TERMP_HANG;
1.256 schwarze 1870: }
1.33 kristaps 1871: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1872: term_word(p, "(");
1.222 kristaps 1873: p->flags |= TERMP_NOSPACE;
1.256 schwarze 1874: if (pretty) {
1875: term_flushln(p);
1.263 schwarze 1876: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1877: TERMP_HANG);
1.256 schwarze 1878: p->offset = p->rmargin;
1879: p->rmargin = rmargin;
1880: }
1.328 schwarze 1881: return 1;
1.256 schwarze 1882: }
1.141 kristaps 1883:
1.169 kristaps 1884: if (NULL == n->child)
1.328 schwarze 1885: return 0;
1.169 kristaps 1886:
1.141 kristaps 1887: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1888:
1.141 kristaps 1889: assert(n->child->string);
1.102 kristaps 1890: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 1891: term_word(p, n->child->string);
1.328 schwarze 1892: return 0;
1.1 kristaps 1893: }
1894:
1895: static void
1896: termp_fo_post(DECL_ARGS)
1897: {
1898:
1.314 schwarze 1899: if (n->type != ROFFT_BODY)
1.143 kristaps 1900: return;
1901:
1.222 kristaps 1902: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1903: term_word(p, ")");
1904:
1.338 schwarze 1905: if (NODE_SYNPRETTY & n->flags) {
1.222 kristaps 1906: p->flags |= TERMP_NOSPACE;
1.143 kristaps 1907: term_word(p, ";");
1.256 schwarze 1908: term_flushln(p);
1.222 kristaps 1909: }
1.1 kristaps 1910: }
1911:
1912: static int
1913: termp_bf_pre(DECL_ARGS)
1914: {
1915:
1.314 schwarze 1916: if (n->type == ROFFT_HEAD)
1.328 schwarze 1917: return 0;
1.314 schwarze 1918: else if (n->type != ROFFT_BODY)
1.328 schwarze 1919: return 1;
1.1 kristaps 1920:
1.264 schwarze 1921: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 1922: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 1923: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 1924: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 1925: else
1.102 kristaps 1926: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1927:
1.328 schwarze 1928: return 1;
1.1 kristaps 1929: }
1930:
1931: static int
1932: termp_sm_pre(DECL_ARGS)
1933: {
1934:
1.269 schwarze 1935: if (NULL == n->child)
1936: p->flags ^= TERMP_NONOSPACE;
1937: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1938: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 1939: else
1.1 kristaps 1940: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 1941:
1942: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1943: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1944:
1.328 schwarze 1945: return 0;
1.1 kristaps 1946: }
1947:
1948: static int
1949: termp_ap_pre(DECL_ARGS)
1950: {
1951:
1952: p->flags |= TERMP_NOSPACE;
1.188 kristaps 1953: term_word(p, "'");
1.1 kristaps 1954: p->flags |= TERMP_NOSPACE;
1.328 schwarze 1955: return 1;
1.1 kristaps 1956: }
1957:
1958: static void
1959: termp____post(DECL_ARGS)
1960: {
1.184 kristaps 1961:
1962: /*
1963: * Handle lists of authors. In general, print each followed by
1964: * a comma. Don't print the comma if there are only two
1965: * authors.
1966: */
1967: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1968: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1969: if (NULL == n->prev || MDOC__A != n->prev->tok)
1970: return;
1.1 kristaps 1971:
1.95 kristaps 1972: /* TODO: %U. */
1973:
1.187 kristaps 1974: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1975: return;
1976:
1.222 kristaps 1977: p->flags |= TERMP_NOSPACE;
1.186 kristaps 1978: if (NULL == n->next) {
1979: term_word(p, ".");
1980: p->flags |= TERMP_SENTENCE;
1981: } else
1982: term_word(p, ",");
1.1 kristaps 1983: }
1984:
1985: static int
1.102 kristaps 1986: termp_li_pre(DECL_ARGS)
1987: {
1988:
1.335 schwarze 1989: termp_tag_pre(p, pair, meta, n);
1.102 kristaps 1990: term_fontpush(p, TERMFONT_NONE);
1.328 schwarze 1991: return 1;
1.102 kristaps 1992: }
1993:
1994: static int
1.1 kristaps 1995: termp_lk_pre(DECL_ARGS)
1996: {
1.315 schwarze 1997: const struct roff_node *link, *descr;
1.1 kristaps 1998:
1.240 schwarze 1999: if (NULL == (link = n->child))
1.328 schwarze 2000: return 0;
1.181 kristaps 2001:
1.240 schwarze 2002: if (NULL != (descr = link->next)) {
2003: term_fontpush(p, TERMFONT_UNDER);
2004: while (NULL != descr) {
2005: term_word(p, descr->string);
2006: descr = descr->next;
2007: }
2008: p->flags |= TERMP_NOSPACE;
2009: term_word(p, ":");
2010: term_fontpop(p);
2011: }
1.1 kristaps 2012:
1.102 kristaps 2013: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2014: term_word(p, link->string);
1.102 kristaps 2015: term_fontpop(p);
1.12 kristaps 2016:
1.328 schwarze 2017: return 0;
1.1 kristaps 2018: }
2019:
1.159 schwarze 2020: static int
2021: termp_bk_pre(DECL_ARGS)
2022: {
2023:
1.161 schwarze 2024: switch (n->type) {
1.314 schwarze 2025: case ROFFT_BLOCK:
1.166 kristaps 2026: break;
1.314 schwarze 2027: case ROFFT_HEAD:
1.328 schwarze 2028: return 0;
1.314 schwarze 2029: case ROFFT_BODY:
1.331 schwarze 2030: if (n->parent->args != NULL || n->prev->child == NULL)
1.200 schwarze 2031: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2032: break;
1.161 schwarze 2033: default:
2034: abort();
2035: }
1.166 kristaps 2036:
1.328 schwarze 2037: return 1;
1.159 schwarze 2038: }
2039:
2040: static void
2041: termp_bk_post(DECL_ARGS)
2042: {
2043:
1.314 schwarze 2044: if (n->type == ROFFT_BODY)
1.161 schwarze 2045: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2046: }
2047:
2048: static void
2049: termp__t_post(DECL_ARGS)
2050: {
2051:
2052: /*
2053: * If we're in an `Rs' and there's a journal present, then quote
2054: * us instead of underlining us (for disambiguation).
2055: */
1.217 schwarze 2056: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2057: n->parent->norm->Rs.quote_T)
1.245 schwarze 2058: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2059:
1.245 schwarze 2060: termp____post(p, pair, meta, n);
1.203 kristaps 2061: }
2062:
2063: static int
2064: termp__t_pre(DECL_ARGS)
2065: {
2066:
2067: /*
2068: * If we're in an `Rs' and there's a journal present, then quote
2069: * us instead of underlining us (for disambiguation).
2070: */
2071: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2072: n->parent->norm->Rs.quote_T)
1.328 schwarze 2073: return termp_quote_pre(p, pair, meta, n);
1.203 kristaps 2074:
2075: term_fontpush(p, TERMFONT_UNDER);
1.328 schwarze 2076: return 1;
1.159 schwarze 2077: }
1.1 kristaps 2078:
2079: static int
1.69 kristaps 2080: termp_under_pre(DECL_ARGS)
1.1 kristaps 2081: {
2082:
1.102 kristaps 2083: term_fontpush(p, TERMFONT_UNDER);
1.334 schwarze 2084: return 1;
2085: }
2086:
2087: static int
2088: termp_em_pre(DECL_ARGS)
2089: {
2090: if (n->child != NULL &&
2091: n->child->type == ROFFT_TEXT)
2092: tag_put(n->child->string, 0, p->line);
2093: term_fontpush(p, TERMFONT_UNDER);
2094: return 1;
2095: }
2096:
2097: static int
2098: termp_sy_pre(DECL_ARGS)
2099: {
2100: if (n->child != NULL &&
2101: n->child->type == ROFFT_TEXT)
2102: tag_put(n->child->string, 0, p->line);
2103: term_fontpush(p, TERMFONT_BOLD);
1.328 schwarze 2104: return 1;
1.323 schwarze 2105: }
2106:
2107: static int
2108: termp_er_pre(DECL_ARGS)
2109: {
2110:
2111: if (n->sec == SEC_ERRORS &&
2112: (n->parent->tok == MDOC_It ||
2113: (n->parent->tok == MDOC_Bq &&
1.324 schwarze 2114: n->parent->parent->parent->tok == MDOC_It)))
2115: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2116: return 1;
1.320 schwarze 2117: }
2118:
2119: static int
2120: termp_tag_pre(DECL_ARGS)
2121: {
2122:
2123: if (n->child != NULL &&
2124: n->child->type == ROFFT_TEXT &&
1.333 schwarze 2125: (n->prev == NULL ||
2126: (n->prev->type == ROFFT_TEXT &&
2127: strcmp(n->prev->string, "|") == 0)) &&
1.320 schwarze 2128: (n->parent->tok == MDOC_It ||
2129: (n->parent->tok == MDOC_Xo &&
2130: n->parent->parent->prev == NULL &&
1.324 schwarze 2131: n->parent->parent->parent->tok == MDOC_It)))
2132: tag_put(n->child->string, 1, p->line);
1.328 schwarze 2133: return 1;
1.84 kristaps 2134: }
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