Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.243
1.243 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.242 2017/02/06 03:41:44 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.238 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.213 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.213 schwarze 29: #include "mandoc_aux.h"
1.81 schwarze 30: #include "mandoc.h"
1.213 schwarze 31: #include "roff.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.219 schwarze 35: #include "tag.h"
1.61 schwarze 36: #include "main.h"
1.54 schwarze 37:
1.1 kristaps 38: struct termpair {
39: struct termpair *ppair;
1.27 schwarze 40: int count;
1.1 kristaps 41: };
42:
1.29 schwarze 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.215 schwarze 45: const struct roff_meta *meta, \
1.214 schwarze 46: struct roff_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
1.29 schwarze 52:
1.201 schwarze 53: static int a2width(const struct termp *, const char *);
1.62 schwarze 54:
55: static void print_bvspace(struct termp *,
1.214 schwarze 56: const struct roff_node *,
57: const struct roff_node *);
1.166 schwarze 58: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 59: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 60: static void print_mdoc_head(struct termp *, const struct roff_meta *);
61: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166 schwarze 62: static void synopsis_pre(struct termp *,
1.214 schwarze 63: const struct roff_node *);
1.62 schwarze 64:
1.29 schwarze 65: static void termp____post(DECL_ARGS);
1.120 schwarze 66: static void termp__t_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 70: static void termp_eo_post(DECL_ARGS);
1.143 schwarze 71: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 72: static void termp_fo_post(DECL_ARGS);
73: static void termp_in_post(DECL_ARGS);
74: static void termp_it_post(DECL_ARGS);
75: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 76: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 77: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 78: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 79: static void termp_sh_post(DECL_ARGS);
80: static void termp_ss_post(DECL_ARGS);
1.238 schwarze 81: static void termp_xx_post(DECL_ARGS);
1.29 schwarze 82:
1.104 schwarze 83: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 84: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.233 schwarze 95: static int termp_em_pre(DECL_ARGS);
1.222 schwarze 96: static int termp_er_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 99: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 112: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 115: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 117: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 119: static int termp_sy_pre(DECL_ARGS);
1.219 schwarze 120: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 121: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 122: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 123: static int termp_xr_pre(DECL_ARGS);
124: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 125:
1.54 schwarze 126: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 127: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 128: { NULL, NULL }, /* Dd */
129: { NULL, NULL }, /* Dt */
130: { NULL, NULL }, /* Os */
131: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 132: { termp_ss_pre, termp_ss_post }, /* Ss */
133: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 134: { termp_d1_pre, termp_bl_post }, /* D1 */
135: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 136: { termp_bd_pre, termp_bd_post }, /* Bd */
137: { NULL, NULL }, /* Ed */
1.73 schwarze 138: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 139: { NULL, NULL }, /* El */
140: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 141: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 142: { termp_an_pre, NULL }, /* An */
1.54 schwarze 143: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 144: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 145: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 146: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 147: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 148: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 149: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 150: { termp_fa_pre, NULL }, /* Fa */
151: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 152: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 153: { termp_fn_pre, NULL }, /* Fn */
154: { termp_ft_pre, NULL }, /* Ft */
155: { termp_bold_pre, NULL }, /* Ic */
156: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 157: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 158: { termp_nd_pre, NULL }, /* Nd */
159: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 160: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 161: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 162: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 163: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 164: { NULL, NULL }, /* St */
1.54 schwarze 165: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 166: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 167: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 168: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 169: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 170: { NULL, termp____post }, /* %D */
1.58 schwarze 171: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 172: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 173: { NULL, termp____post }, /* %N */
174: { NULL, termp____post }, /* %O */
175: { NULL, termp____post }, /* %P */
176: { NULL, termp____post }, /* %R */
1.120 schwarze 177: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 178: { NULL, termp____post }, /* %V */
179: { NULL, NULL }, /* Ac */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Ao */
181: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 182: { NULL, NULL }, /* At */
1.1 kristaps 183: { NULL, NULL }, /* Bc */
1.166 schwarze 184: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 185: { termp_quote_pre, termp_quote_post }, /* Bo */
186: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 187: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 188: { NULL, NULL }, /* Bx */
1.193 schwarze 189: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 190: { NULL, NULL }, /* Dc */
1.107 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Do */
192: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 193: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 194: { NULL, NULL }, /* Ef */
1.233 schwarze 195: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 196: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 197: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 198: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 199: { termp_li_pre, NULL }, /* No */
1.1 kristaps 200: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 201: { termp_xx_pre, termp_xx_post }, /* Nx */
202: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 203: { NULL, NULL }, /* Pc */
1.156 schwarze 204: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 205: { termp_quote_pre, termp_quote_post }, /* Po */
206: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 207: { NULL, NULL }, /* Qc */
1.107 schwarze 208: { termp_quote_pre, termp_quote_post }, /* Ql */
209: { termp_quote_pre, termp_quote_post }, /* Qo */
210: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 211: { NULL, NULL }, /* Re */
212: { termp_rs_pre, NULL }, /* Rs */
213: { NULL, NULL }, /* Sc */
1.107 schwarze 214: { termp_quote_pre, termp_quote_post }, /* So */
215: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 216: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 217: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 218: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 219: { NULL, NULL }, /* Tn */
1.238 schwarze 220: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 221: { NULL, NULL }, /* Xc */
222: { NULL, NULL }, /* Xo */
1.166 schwarze 223: { termp_fo_pre, termp_fo_post }, /* Fo */
224: { NULL, NULL }, /* Fc */
1.107 schwarze 225: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 226: { NULL, NULL }, /* Oc */
1.90 schwarze 227: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 228: { NULL, NULL }, /* Ek */
1.240 schwarze 229: { NULL, NULL }, /* Bt */
1.1 kristaps 230: { NULL, NULL }, /* Hf */
1.170 schwarze 231: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 232: { NULL, NULL }, /* Ud */
1.32 schwarze 233: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 234: { termp_sp_pre, NULL }, /* Lp */
235: { termp_lk_pre, NULL }, /* Lk */
236: { termp_under_pre, NULL }, /* Mt */
237: { termp_quote_pre, termp_quote_post }, /* Brq */
238: { termp_quote_pre, termp_quote_post }, /* Bro */
239: { NULL, NULL }, /* Brc */
240: { NULL, termp____post }, /* %C */
1.193 schwarze 241: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 242: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 243: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 244: { NULL, termp____post }, /* %Q */
1.54 schwarze 245: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 246: { termp_sp_pre, NULL }, /* sp */
247: { NULL, termp____post }, /* %U */
248: { NULL, NULL }, /* Ta */
1.162 schwarze 249: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 250: };
251:
1.221 schwarze 252: static int fn_prio;
1.1 kristaps 253:
1.55 schwarze 254: void
1.217 schwarze 255: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 256: {
1.214 schwarze 257: struct roff_node *n;
1.61 schwarze 258: struct termp *p;
1.241 schwarze 259: size_t save_defindent;
1.61 schwarze 260:
261: p = (struct termp *)arg;
1.71 schwarze 262: p->overstep = 0;
1.180 schwarze 263: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 264: p->tabwidth = term_len(p, 5);
1.55 schwarze 265:
1.218 schwarze 266: n = mdoc->first->child;
1.180 schwarze 267: if (p->synopsisonly) {
268: while (n != NULL) {
269: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
270: if (n->child->next->child != NULL)
271: print_mdoc_nodelist(p, NULL,
1.218 schwarze 272: &mdoc->meta,
273: n->child->next->child);
1.180 schwarze 274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
1.241 schwarze 280: save_defindent = p->defindent;
1.180 schwarze 281: if (p->defindent == 0)
282: p->defindent = 5;
1.218 schwarze 283: term_begin(p, print_mdoc_head, print_mdoc_foot,
284: &mdoc->meta);
1.236 schwarze 285: while (n != NULL && n->flags & NODE_NOPRT)
286: n = n->next;
1.180 schwarze 287: if (n != NULL) {
288: if (n->tok != MDOC_Sh)
289: term_vspace(p);
1.218 schwarze 290: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 291: }
292: term_end(p);
1.241 schwarze 293: p->defindent = save_defindent;
1.173 schwarze 294: }
1.1 kristaps 295: }
296:
297: static void
1.65 schwarze 298: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 299: {
300:
1.203 schwarze 301: while (n != NULL) {
302: print_mdoc_node(p, pair, meta, n);
303: n = n->next;
304: }
1.1 kristaps 305: }
306:
307: static void
1.65 schwarze 308: print_mdoc_node(DECL_ARGS)
1.1 kristaps 309: {
1.65 schwarze 310: int chld;
1.1 kristaps 311: struct termpair npair;
1.28 schwarze 312: size_t offset, rmargin;
1.1 kristaps 313:
1.236 schwarze 314: if (n->flags & NODE_NOPRT)
315: return;
316:
1.54 schwarze 317: chld = 1;
1.28 schwarze 318: offset = p->offset;
319: rmargin = p->rmargin;
1.237 schwarze 320: n->flags &= ~NODE_ENDED;
1.204 schwarze 321: n->prev_font = p->fonti;
1.1 kristaps 322:
1.63 schwarze 323: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 324: npair.ppair = pair;
1.65 schwarze 325:
1.95 schwarze 326: /*
327: * Keeps only work until the end of a line. If a keep was
328: * invoked in a prior line, revert it to PREKEEP.
329: */
330:
1.237 schwarze 331: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 332: p->flags &= ~TERMP_KEEP;
333: p->flags |= TERMP_PREKEEP;
1.95 schwarze 334: }
1.116 schwarze 335:
336: /*
1.128 schwarze 337: * After the keep flags have been set up, we may now
338: * produce output. Note that some pre-handlers do so.
339: */
340:
341: switch (n->type) {
1.213 schwarze 342: case ROFFT_TEXT:
1.237 schwarze 343: if (' ' == *n->string && NODE_LINE & n->flags)
1.128 schwarze 344: term_newln(p);
1.237 schwarze 345: if (NODE_DELIMC & n->flags)
1.132 schwarze 346: p->flags |= TERMP_NOSPACE;
1.128 schwarze 347: term_word(p, n->string);
1.237 schwarze 348: if (NODE_DELIMO & n->flags)
1.132 schwarze 349: p->flags |= TERMP_NOSPACE;
1.128 schwarze 350: break;
1.213 schwarze 351: case ROFFT_EQN:
1.237 schwarze 352: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 353: p->flags |= TERMP_NOSPACE;
1.135 schwarze 354: term_eqn(p, n->eqn);
1.237 schwarze 355: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 356: p->flags |= TERMP_NOSPACE;
1.131 schwarze 357: break;
1.213 schwarze 358: case ROFFT_TBL:
1.212 schwarze 359: if (p->tbl.cols == NULL)
360: term_newln(p);
1.128 schwarze 361: term_tbl(p, n->span);
362: break;
363: default:
1.194 schwarze 364: if (termacts[n->tok].pre &&
1.230 schwarze 365: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 366: chld = (*termacts[n->tok].pre)
1.147 schwarze 367: (p, &npair, meta, n);
1.128 schwarze 368: break;
369: }
1.95 schwarze 370:
1.60 schwarze 371: if (chld && n->child)
1.147 schwarze 372: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 373:
1.146 schwarze 374: term_fontpopq(p,
1.209 schwarze 375: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 376:
1.122 schwarze 377: switch (n->type) {
1.213 schwarze 378: case ROFFT_TEXT:
1.122 schwarze 379: break;
1.213 schwarze 380: case ROFFT_TBL:
1.131 schwarze 381: break;
1.213 schwarze 382: case ROFFT_EQN:
1.122 schwarze 383: break;
384: default:
1.237 schwarze 385: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.122 schwarze 386: break;
1.147 schwarze 387: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 388:
389: /*
390: * Explicit end tokens not only call the post
391: * handler, but also tell the respective block
392: * that it must not call the post handler again.
393: */
1.95 schwarze 394: if (ENDBODY_NOT != n->end)
1.237 schwarze 395: n->body->flags |= NODE_ENDED;
1.122 schwarze 396: break;
1.93 schwarze 397: }
1.28 schwarze 398:
1.237 schwarze 399: if (NODE_EOS & n->flags)
1.78 schwarze 400: p->flags |= TERMP_SENTENCE;
401:
1.162 schwarze 402: if (MDOC_ll != n->tok) {
403: p->offset = offset;
404: p->rmargin = rmargin;
405: }
1.1 kristaps 406: }
407:
408: static void
1.215 schwarze 409: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 410: {
1.191 schwarze 411: size_t sz;
1.87 schwarze 412:
1.65 schwarze 413: term_fontrepl(p, TERMFONT_NONE);
414:
1.166 schwarze 415: /*
1.7 schwarze 416: * Output the footer in new-groff style, that is, three columns
417: * with the middle being the manual date and flanking columns
418: * being the operating system:
419: *
420: * SYSTEM DATE SYSTEM
421: */
422:
1.1 kristaps 423: term_vspace(p);
424:
1.7 schwarze 425: p->offset = 0;
1.191 schwarze 426: sz = term_strlen(p, meta->date);
427: p->rmargin = p->maxrmargin > sz ?
428: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 429: p->trailspace = 1;
1.1 kristaps 430: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
431:
1.147 schwarze 432: term_word(p, meta->os);
1.1 kristaps 433: term_flushln(p);
434:
1.7 schwarze 435: p->offset = p->rmargin;
1.191 schwarze 436: sz = term_strlen(p, meta->os);
437: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 438: p->flags |= TERMP_NOSPACE;
1.7 schwarze 439:
1.147 schwarze 440: term_word(p, meta->date);
1.7 schwarze 441: term_flushln(p);
442:
1.1 kristaps 443: p->offset = p->rmargin;
444: p->rmargin = p->maxrmargin;
1.152 schwarze 445: p->trailspace = 0;
1.1 kristaps 446: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 447: p->flags |= TERMP_NOSPACE;
1.1 kristaps 448:
1.147 schwarze 449: term_word(p, meta->os);
1.1 kristaps 450: term_flushln(p);
1.7 schwarze 451:
452: p->offset = 0;
453: p->rmargin = p->maxrmargin;
454: p->flags = 0;
1.1 kristaps 455: }
456:
457: static void
1.215 schwarze 458: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 459: {
1.169 schwarze 460: char *volume, *title;
461: size_t vollen, titlen;
1.1 kristaps 462:
463: /*
464: * The header is strange. It has three components, which are
465: * really two with the first duplicated. It goes like this:
466: *
467: * IDENTIFIER TITLE IDENTIFIER
468: *
469: * The IDENTIFIER is NAME(SECTION), which is the command-name
470: * (if given, or "unknown" if not) followed by the manual page
471: * section. These are given in `Dt'. The TITLE is a free-form
472: * string depending on the manual volume. If not specified, it
473: * switches on the manual section.
474: */
1.137 schwarze 475:
1.147 schwarze 476: assert(meta->vol);
1.169 schwarze 477: if (NULL == meta->arch)
478: volume = mandoc_strdup(meta->vol);
479: else
480: mandoc_asprintf(&volume, "%s (%s)",
481: meta->vol, meta->arch);
482: vollen = term_strlen(p, volume);
1.1 kristaps 483:
1.177 schwarze 484: if (NULL == meta->msec)
485: title = mandoc_strdup(meta->title);
486: else
487: mandoc_asprintf(&title, "%s(%s)",
488: meta->title, meta->msec);
1.137 schwarze 489: titlen = term_strlen(p, title);
1.1 kristaps 490:
1.137 schwarze 491: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 492: p->trailspace = 1;
1.1 kristaps 493: p->offset = 0;
1.169 schwarze 494: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
495: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 496: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 497:
498: term_word(p, title);
499: term_flushln(p);
500:
1.137 schwarze 501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 502: p->offset = p->rmargin;
1.169 schwarze 503: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 504: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 505:
1.169 schwarze 506: term_word(p, volume);
1.1 kristaps 507: term_flushln(p);
508:
509: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 510: p->trailspace = 0;
1.137 schwarze 511: if (p->rmargin + titlen <= p->maxrmargin) {
512: p->flags |= TERMP_NOSPACE;
513: p->offset = p->rmargin;
514: p->rmargin = p->maxrmargin;
515: term_word(p, title);
516: term_flushln(p);
517: }
1.1 kristaps 518:
1.137 schwarze 519: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 520: p->offset = 0;
1.1 kristaps 521: p->rmargin = p->maxrmargin;
1.168 schwarze 522: free(title);
1.169 schwarze 523: free(volume);
1.1 kristaps 524: }
525:
1.201 schwarze 526: static int
1.89 schwarze 527: a2width(const struct termp *p, const char *v)
1.61 schwarze 528: {
529: struct roffsu su;
1.1 kristaps 530:
1.199 schwarze 531: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 532: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 533: su.scale /= term_strlen(p, "0");
1.201 schwarze 534: }
1.227 schwarze 535: return term_hspan(p, &su) / 24;
1.1 kristaps 536: }
537:
1.68 schwarze 538: /*
539: * Determine how much space to print out before block elements of `It'
540: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
541: * too.
542: */
1.45 schwarze 543: static void
1.166 schwarze 544: print_bvspace(struct termp *p,
1.214 schwarze 545: const struct roff_node *bl,
546: const struct roff_node *n)
1.1 kristaps 547: {
1.214 schwarze 548: const struct roff_node *nn;
1.138 schwarze 549:
550: assert(n);
1.1 kristaps 551:
552: term_newln(p);
1.88 schwarze 553:
1.121 schwarze 554: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 555: return;
1.121 schwarze 556: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 557: return;
558:
1.60 schwarze 559: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 560:
1.188 schwarze 561: nn = n;
1.236 schwarze 562: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
563: nn = nn->prev;
1.188 schwarze 564: while (nn->prev == NULL) {
565: do {
566: nn = nn->parent;
1.213 schwarze 567: if (nn->type == ROFFT_ROOT)
1.188 schwarze 568: return;
1.213 schwarze 569: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 570: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 571: return;
1.188 schwarze 572: if (nn->tok == MDOC_It &&
573: nn->parent->parent->norm->Bl.type != LIST_item)
574: break;
1.1 kristaps 575: }
576:
1.60 schwarze 577: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 578:
1.121 schwarze 579: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 580: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 581: return;
582:
1.60 schwarze 583: /* A `-diag' without body does not vspace. */
584:
1.121 schwarze 585: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 586: if (n->prev && MDOC_It == n->prev->tok) {
587: assert(n->prev->body);
588: if (NULL == n->prev->body->child)
1.45 schwarze 589: return;
590: }
591:
592: term_vspace(p);
1.162 schwarze 593: }
594:
595:
596: static int
597: termp_ll_pre(DECL_ARGS)
598: {
599:
1.230 schwarze 600: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 schwarze 601: return 0;
1.1 kristaps 602: }
603:
604: static int
605: termp_it_pre(DECL_ARGS)
606: {
1.201 schwarze 607: char buf[24];
1.214 schwarze 608: const struct roff_node *bl, *nn;
1.201 schwarze 609: size_t ncols, dcol;
610: int i, offset, width;
1.82 schwarze 611: enum mdoc_list type;
1.1 kristaps 612:
1.213 schwarze 613: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 614: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 615: return 1;
1.45 schwarze 616: }
1.1 kristaps 617:
1.60 schwarze 618: bl = n->parent->parent->parent;
1.121 schwarze 619: type = bl->norm->Bl.type;
1.1 kristaps 620:
1.166 schwarze 621: /*
1.201 schwarze 622: * Defaults for specific list types.
623: */
624:
625: switch (type) {
626: case LIST_bullet:
627: case LIST_dash:
628: case LIST_hyphen:
629: case LIST_enum:
630: width = term_len(p, 2);
631: break;
632: case LIST_hang:
1.231 schwarze 633: case LIST_tag:
1.201 schwarze 634: width = term_len(p, 8);
635: break;
636: case LIST_column:
637: width = term_len(p, 10);
638: break;
639: default:
640: width = 0;
641: break;
642: }
643: offset = 0;
644:
645: /*
1.68 schwarze 646: * First calculate width and offset. This is pretty easy unless
647: * we're a -column list, in which case all prior columns must
648: * be accounted for.
649: */
650:
1.201 schwarze 651: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 652: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 653: if (offset < 0 && (size_t)(-offset) > p->offset)
654: offset = -p->offset;
655: else if (offset > SHRT_MAX)
656: offset = 0;
657: }
1.66 schwarze 658:
1.1 kristaps 659: switch (type) {
1.166 schwarze 660: case LIST_column:
1.213 schwarze 661: if (n->type == ROFFT_HEAD)
1.1 kristaps 662: break;
1.88 schwarze 663:
1.66 schwarze 664: /*
1.68 schwarze 665: * Imitate groff's column handling:
666: * - For each earlier column, add its width.
667: * - For less than 5 columns, add four more blanks per
668: * column.
669: * - For exactly 5 columns, add three more blank per
670: * column.
671: * - For more than 5 columns, add only one column.
1.66 schwarze 672: */
1.121 schwarze 673: ncols = bl->norm->Bl.ncols;
1.166 schwarze 674: dcol = ncols < 5 ? term_len(p, 4) :
675: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 676:
1.85 schwarze 677: /*
1.213 schwarze 678: * Calculate the offset by applying all prior ROFFT_BODY,
679: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 680: */
681:
1.166 schwarze 682: for (i = 0, nn = n->prev;
683: nn->prev && i < (int)ncols;
684: nn = nn->prev, i++)
685: offset += dcol + a2width(p,
686: bl->norm->Bl.cols[i]);
1.66 schwarze 687:
688: /*
1.68 schwarze 689: * When exceeding the declared number of columns, leave
690: * the remaining widths at 0. This will later be
691: * adjusted to the default width of 10, or, for the last
692: * column, stretched to the right margin.
1.46 schwarze 693: */
1.68 schwarze 694: if (i >= (int)ncols)
695: break;
1.46 schwarze 696:
1.66 schwarze 697: /*
1.68 schwarze 698: * Use the declared column widths, extended as explained
699: * in the preceding paragraph.
1.66 schwarze 700: */
1.121 schwarze 701: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 702: break;
703: default:
1.121 schwarze 704: if (NULL == bl->norm->Bl.width)
1.68 schwarze 705: break;
706:
1.166 schwarze 707: /*
1.68 schwarze 708: * Note: buffer the width by 2, which is groff's magic
709: * number for buffering single arguments. See the above
710: * handling for column for how this changes.
711: */
1.121 schwarze 712: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 713: if (width < 0 && (size_t)(-width) > p->offset)
714: width = -p->offset;
715: else if (width > SHRT_MAX)
716: width = 0;
1.1 kristaps 717: break;
718: }
719:
1.166 schwarze 720: /*
1.16 schwarze 721: * Whitespace control. Inset bodies need an initial space,
722: * while diagonal bodies need two.
1.1 kristaps 723: */
724:
1.42 schwarze 725: p->flags |= TERMP_NOSPACE;
726:
1.1 kristaps 727: switch (type) {
1.166 schwarze 728: case LIST_diag:
1.213 schwarze 729: if (n->type == ROFFT_BODY)
1.48 schwarze 730: term_word(p, "\\ \\ ");
1.42 schwarze 731: break;
1.166 schwarze 732: case LIST_inset:
1.230 schwarze 733: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 734: term_word(p, "\\ ");
1.1 kristaps 735: break;
736: default:
737: break;
738: }
739:
1.42 schwarze 740: p->flags |= TERMP_NOSPACE;
741:
1.1 kristaps 742: switch (type) {
1.166 schwarze 743: case LIST_diag:
1.213 schwarze 744: if (n->type == ROFFT_HEAD)
1.65 schwarze 745: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
751: /*
1.68 schwarze 752: * Pad and break control. This is the tricky part. These flags
753: * are documented in term_flushln() in term.c. Note that we're
754: * going to unset all of these flags in termp_it_post() when we
755: * exit.
1.1 kristaps 756: */
757:
758: switch (type) {
1.166 schwarze 759: case LIST_enum:
1.228 schwarze 760: case LIST_bullet:
761: case LIST_dash:
762: case LIST_hyphen:
1.144 schwarze 763: /*
764: * Weird special case.
1.201 schwarze 765: * Some very narrow lists actually hang.
1.144 schwarze 766: */
1.201 schwarze 767: if (width <= (int)term_len(p, 2))
768: p->flags |= TERMP_HANG;
1.213 schwarze 769: if (n->type != ROFFT_HEAD)
1.152 schwarze 770: break;
771: p->flags |= TERMP_NOBREAK;
772: p->trailspace = 1;
1.33 schwarze 773: break;
1.166 schwarze 774: case LIST_hang:
1.213 schwarze 775: if (n->type != ROFFT_HEAD)
1.47 schwarze 776: break;
777:
778: /*
779: * This is ugly. If `-hang' is specified and the body
780: * is a `Bl' or `Bd', then we want basically to nullify
781: * the "overstep" effect in term_flushln() and treat
782: * this as a `-ohang' list instead.
783: */
1.178 schwarze 784: if (NULL != n->next &&
785: NULL != n->next->child &&
1.166 schwarze 786: (MDOC_Bl == n->next->child->tok ||
787: MDOC_Bd == n->next->child->tok))
1.152 schwarze 788: break;
789:
1.165 schwarze 790: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 791: p->trailspace = 1;
1.33 schwarze 792: break;
1.166 schwarze 793: case LIST_tag:
1.213 schwarze 794: if (n->type != ROFFT_HEAD)
1.33 schwarze 795: break;
1.152 schwarze 796:
1.225 schwarze 797: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 798: p->trailspace = 2;
799:
1.60 schwarze 800: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 801: p->flags |= TERMP_DANGLE;
1.1 kristaps 802: break;
1.166 schwarze 803: case LIST_column:
1.213 schwarze 804: if (n->type == ROFFT_HEAD)
1.85 schwarze 805: break;
806:
1.152 schwarze 807: if (NULL == n->next) {
1.85 schwarze 808: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 809: p->trailspace = 0;
810: } else {
1.85 schwarze 811: p->flags |= TERMP_NOBREAK;
1.152 schwarze 812: p->trailspace = 1;
813: }
1.85 schwarze 814:
1.1 kristaps 815: break;
1.166 schwarze 816: case LIST_diag:
1.213 schwarze 817: if (n->type != ROFFT_HEAD)
1.152 schwarze 818: break;
1.165 schwarze 819: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 820: p->trailspace = 1;
1.1 kristaps 821: break;
822: default:
823: break;
824: }
825:
1.166 schwarze 826: /*
1.1 kristaps 827: * Margin control. Set-head-width lists have their right
828: * margins shortened. The body for these lists has the offset
829: * necessarily lengthened. Everybody gets the offset.
830: */
831:
832: p->offset += offset;
833:
834: switch (type) {
1.166 schwarze 835: case LIST_hang:
1.47 schwarze 836: /*
837: * Same stipulation as above, regarding `-hang'. We
838: * don't want to recalculate rmargin and offsets when
839: * using `Bd' or `Bl' within `-hang' overstep lists.
840: */
1.213 schwarze 841: if (n->type == ROFFT_HEAD &&
1.178 schwarze 842: NULL != n->next &&
843: NULL != n->next->child &&
1.166 schwarze 844: (MDOC_Bl == n->next->child->tok ||
845: MDOC_Bd == n->next->child->tok))
1.47 schwarze 846: break;
847: /* FALLTHROUGH */
1.166 schwarze 848: case LIST_bullet:
849: case LIST_dash:
850: case LIST_enum:
851: case LIST_hyphen:
852: case LIST_tag:
1.213 schwarze 853: if (n->type == ROFFT_HEAD)
1.1 kristaps 854: p->rmargin = p->offset + width;
1.191 schwarze 855: else
1.1 kristaps 856: p->offset += width;
857: break;
1.166 schwarze 858: case LIST_column:
1.41 schwarze 859: assert(width);
1.1 kristaps 860: p->rmargin = p->offset + width;
1.166 schwarze 861: /*
1.43 schwarze 862: * XXX - this behaviour is not documented: the
863: * right-most column is filled to the right margin.
864: */
1.213 schwarze 865: if (n->type == ROFFT_HEAD)
1.85 schwarze 866: break;
867: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 868: p->rmargin = p->maxrmargin;
1.1 kristaps 869: break;
870: default:
871: break;
872: }
873:
1.166 schwarze 874: /*
1.1 kristaps 875: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 876: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 877: */
878:
1.213 schwarze 879: if (n->type == ROFFT_HEAD)
1.1 kristaps 880: switch (type) {
1.166 schwarze 881: case LIST_bullet:
1.65 schwarze 882: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 883: term_word(p, "\\[bu]");
1.65 schwarze 884: term_fontpop(p);
1.1 kristaps 885: break;
1.166 schwarze 886: case LIST_dash:
887: case LIST_hyphen:
1.65 schwarze 888: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 889: term_word(p, "-");
1.65 schwarze 890: term_fontpop(p);
1.1 kristaps 891: break;
1.166 schwarze 892: case LIST_enum:
1.1 kristaps 893: (pair->ppair->ppair->count)++;
1.167 schwarze 894: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 895: pair->ppair->ppair->count);
1.1 kristaps 896: term_word(p, buf);
897: break;
898: default:
899: break;
900: }
1.12 schwarze 901:
1.166 schwarze 902: /*
1.1 kristaps 903: * If we're not going to process our children, indicate so here.
904: */
905:
906: switch (type) {
1.166 schwarze 907: case LIST_bullet:
908: case LIST_item:
909: case LIST_dash:
910: case LIST_hyphen:
911: case LIST_enum:
1.213 schwarze 912: if (n->type == ROFFT_HEAD)
1.227 schwarze 913: return 0;
1.1 kristaps 914: break;
1.166 schwarze 915: case LIST_column:
1.213 schwarze 916: if (n->type == ROFFT_HEAD)
1.227 schwarze 917: return 0;
1.1 kristaps 918: break;
919: default:
920: break;
921: }
922:
1.227 schwarze 923: return 1;
1.1 kristaps 924: }
925:
926: static void
927: termp_it_post(DECL_ARGS)
928: {
1.82 schwarze 929: enum mdoc_list type;
1.1 kristaps 930:
1.213 schwarze 931: if (n->type == ROFFT_BLOCK)
1.1 kristaps 932: return;
933:
1.121 schwarze 934: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 935:
936: switch (type) {
1.166 schwarze 937: case LIST_item:
938: case LIST_diag:
939: case LIST_inset:
1.213 schwarze 940: if (n->type == ROFFT_BODY)
1.74 schwarze 941: term_newln(p);
1.1 kristaps 942: break;
1.166 schwarze 943: case LIST_column:
1.213 schwarze 944: if (n->type == ROFFT_BODY)
1.1 kristaps 945: term_flushln(p);
946: break;
947: default:
1.74 schwarze 948: term_newln(p);
1.1 kristaps 949: break;
950: }
951:
1.166 schwarze 952: /*
1.68 schwarze 953: * Now that our output is flushed, we can reset our tags. Since
954: * only `It' sets these flags, we're free to assume that nobody
955: * has munged them in the meanwhile.
956: */
957:
1.225 schwarze 958: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 959: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 960: p->trailspace = 0;
1.1 kristaps 961: }
962:
963: static int
964: termp_nm_pre(DECL_ARGS)
965: {
1.195 schwarze 966: const char *cp;
1.1 kristaps 967:
1.213 schwarze 968: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 969: p->flags |= TERMP_PREKEEP;
1.227 schwarze 970: return 1;
1.155 schwarze 971: }
1.94 schwarze 972:
1.213 schwarze 973: if (n->type == ROFFT_BODY) {
1.94 schwarze 974: if (NULL == n->child)
1.227 schwarze 975: return 0;
1.136 schwarze 976: p->flags |= TERMP_NOSPACE;
1.195 schwarze 977: cp = NULL;
978: if (n->prev->child != NULL)
979: cp = n->prev->child->string;
980: if (cp == NULL)
981: cp = meta->name;
982: if (cp == NULL)
983: p->offset += term_len(p, 6);
984: else
985: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 986: return 1;
1.94 schwarze 987: }
988:
1.242 schwarze 989: if (n->child == NULL)
1.227 schwarze 990: return 0;
1.81 schwarze 991:
1.213 schwarze 992: if (n->type == ROFFT_HEAD)
1.97 schwarze 993: synopsis_pre(p, n->parent);
1.65 schwarze 994:
1.213 schwarze 995: if (n->type == ROFFT_HEAD &&
1.178 schwarze 996: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 997: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 998: p->trailspace = 1;
1.105 schwarze 999: p->rmargin = p->offset + term_len(p, 1);
1000: if (NULL == n->child) {
1.147 schwarze 1001: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1002: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1003: p->rmargin += term_strlen(p, n->child->string);
1004: if (n->child->next)
1005: p->flags |= TERMP_HANG;
1006: } else {
1007: p->rmargin += term_len(p, 5);
1008: p->flags |= TERMP_HANG;
1009: }
1.94 schwarze 1010: }
1011:
1.65 schwarze 1012: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1013: return 1;
1.1 kristaps 1014: }
1015:
1.94 schwarze 1016: static void
1017: termp_nm_post(DECL_ARGS)
1018: {
1019:
1.213 schwarze 1020: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1021: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1022: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1023: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1024: term_flushln(p);
1.165 schwarze 1025: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1026: p->trailspace = 0;
1.213 schwarze 1027: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1028: term_flushln(p);
1029: }
1030:
1.1 kristaps 1031: static int
1032: termp_fl_pre(DECL_ARGS)
1033: {
1034:
1.219 schwarze 1035: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1036: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1037: term_word(p, "\\-");
1.67 schwarze 1038:
1.230 schwarze 1039: if (!(n->child == NULL &&
1.179 schwarze 1040: (n->next == NULL ||
1.213 schwarze 1041: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1042: n->next->flags & NODE_LINE)))
1.73 schwarze 1043: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1044:
1.227 schwarze 1045: return 1;
1.49 schwarze 1046: }
1047:
1048: static int
1.104 schwarze 1049: termp__a_pre(DECL_ARGS)
1050: {
1051:
1052: if (n->prev && MDOC__A == n->prev->tok)
1053: if (NULL == n->next || MDOC__A != n->next->tok)
1054: term_word(p, "and");
1055:
1.227 schwarze 1056: return 1;
1.104 schwarze 1057: }
1058:
1059: static int
1.49 schwarze 1060: termp_an_pre(DECL_ARGS)
1061: {
1062:
1.181 schwarze 1063: if (n->norm->An.auth == AUTH_split) {
1064: p->flags &= ~TERMP_NOSPLIT;
1065: p->flags |= TERMP_SPLIT;
1.227 schwarze 1066: return 0;
1.181 schwarze 1067: }
1068: if (n->norm->An.auth == AUTH_nosplit) {
1069: p->flags &= ~TERMP_SPLIT;
1070: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1071: return 0;
1.181 schwarze 1072: }
1.166 schwarze 1073:
1.181 schwarze 1074: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1075: term_newln(p);
1076:
1.181 schwarze 1077: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1078: p->flags |= TERMP_SPLIT;
1.49 schwarze 1079:
1.227 schwarze 1080: return 1;
1.1 kristaps 1081: }
1082:
1083: static int
1084: termp_ns_pre(DECL_ARGS)
1085: {
1086:
1.237 schwarze 1087: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1088: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1089: return 1;
1.1 kristaps 1090: }
1091:
1092: static int
1093: termp_rs_pre(DECL_ARGS)
1094: {
1095:
1.60 schwarze 1096: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1097: return 1;
1.213 schwarze 1098: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1099: term_vspace(p);
1.227 schwarze 1100: return 1;
1.1 kristaps 1101: }
1102:
1103: static int
1104: termp_ex_pre(DECL_ARGS)
1105: {
1.132 schwarze 1106: term_newln(p);
1.240 schwarze 1107: return 1;
1.1 kristaps 1108: }
1109:
1110: static int
1111: termp_nd_pre(DECL_ARGS)
1112: {
1.25 schwarze 1113:
1.213 schwarze 1114: if (n->type == ROFFT_BODY)
1.196 schwarze 1115: term_word(p, "\\(en");
1.227 schwarze 1116: return 1;
1.1 kristaps 1117: }
1118:
1.73 schwarze 1119: static int
1120: termp_bl_pre(DECL_ARGS)
1121: {
1122:
1.227 schwarze 1123: return n->type != ROFFT_HEAD;
1.73 schwarze 1124: }
1125:
1.1 kristaps 1126: static void
1127: termp_bl_post(DECL_ARGS)
1128: {
1129:
1.213 schwarze 1130: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1131: term_newln(p);
1132: }
1133:
1134: static int
1135: termp_xr_pre(DECL_ARGS)
1136: {
1137:
1.132 schwarze 1138: if (NULL == (n = n->child))
1.227 schwarze 1139: return 0;
1.72 schwarze 1140:
1.213 schwarze 1141: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1142: term_word(p, n->string);
1.10 schwarze 1143:
1.166 schwarze 1144: if (NULL == (n = n->next))
1.227 schwarze 1145: return 0;
1.132 schwarze 1146:
1.1 kristaps 1147: p->flags |= TERMP_NOSPACE;
1148: term_word(p, "(");
1.132 schwarze 1149: p->flags |= TERMP_NOSPACE;
1150:
1.213 schwarze 1151: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1152: term_word(p, n->string);
1153:
1154: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1155: term_word(p, ")");
1.60 schwarze 1156:
1.227 schwarze 1157: return 0;
1.1 kristaps 1158: }
1159:
1.86 schwarze 1160: /*
1161: * This decides how to assert whitespace before any of the SYNOPSIS set
1162: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1163: * macro combos).
1164: */
1165: static void
1.214 schwarze 1166: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1167: {
1.166 schwarze 1168: /*
1.86 schwarze 1169: * Obviously, if we're not in a SYNOPSIS or no prior macros
1170: * exist, do nothing.
1171: */
1.237 schwarze 1172: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1173: return;
1174:
1175: /*
1176: * If we're the second in a pair of like elements, emit our
1177: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1178: * case we soldier on.
1179: */
1.166 schwarze 1180: if (n->prev->tok == n->tok &&
1181: MDOC_Ft != n->tok &&
1182: MDOC_Fo != n->tok &&
1183: MDOC_Fn != n->tok) {
1.86 schwarze 1184: term_newln(p);
1185: return;
1186: }
1187:
1188: /*
1189: * If we're one of the SYNOPSIS set and non-like pair-wise after
1190: * another (or Fn/Fo, which we've let slip through) then assert
1191: * vertical space, else only newline and move on.
1192: */
1193: switch (n->prev->tok) {
1.166 schwarze 1194: case MDOC_Fd:
1195: case MDOC_Fn:
1196: case MDOC_Fo:
1197: case MDOC_In:
1198: case MDOC_Vt:
1.86 schwarze 1199: term_vspace(p);
1200: break;
1.166 schwarze 1201: case MDOC_Ft:
1.86 schwarze 1202: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1203: term_vspace(p);
1204: break;
1205: }
1206: /* FALLTHROUGH */
1207: default:
1208: term_newln(p);
1209: break;
1210: }
1211: }
1212:
1.69 schwarze 1213: static int
1214: termp_vt_pre(DECL_ARGS)
1215: {
1216:
1.213 schwarze 1217: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1218: synopsis_pre(p, n);
1.227 schwarze 1219: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1220: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1221: synopsis_pre(p, n);
1.227 schwarze 1222: return 1;
1.213 schwarze 1223: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1224: return 0;
1.69 schwarze 1225:
1.227 schwarze 1226: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1227: }
1228:
1.1 kristaps 1229: static int
1.54 schwarze 1230: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1231: {
1232:
1.219 schwarze 1233: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1234: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1235: return 1;
1.1 kristaps 1236: }
1237:
1.86 schwarze 1238: static int
1239: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1240: {
1241:
1.86 schwarze 1242: synopsis_pre(p, n);
1.227 schwarze 1243: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1244: }
1245:
1.143 schwarze 1246: static void
1247: termp_fd_post(DECL_ARGS)
1248: {
1249:
1250: term_newln(p);
1251: }
1252:
1.1 kristaps 1253: static int
1254: termp_sh_pre(DECL_ARGS)
1255: {
1.60 schwarze 1256:
1257: switch (n->type) {
1.213 schwarze 1258: case ROFFT_BLOCK:
1.192 schwarze 1259: /*
1260: * Vertical space before sections, except
1261: * when the previous section was empty.
1262: */
1263: if (n->prev == NULL ||
1.221 schwarze 1264: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1265: (n->prev->body != NULL &&
1266: n->prev->body->child != NULL))
1267: term_vspace(p);
1.52 schwarze 1268: break;
1.213 schwarze 1269: case ROFFT_HEAD:
1.65 schwarze 1270: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1271: break;
1.213 schwarze 1272: case ROFFT_BODY:
1.140 schwarze 1273: p->offset = term_len(p, p->defindent);
1.221 schwarze 1274: switch (n->sec) {
1275: case SEC_DESCRIPTION:
1276: fn_prio = 0;
1277: break;
1278: case SEC_AUTHORS:
1.141 schwarze 1279: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1280: break;
1281: default:
1282: break;
1283: }
1.1 kristaps 1284: break;
1285: default:
1286: break;
1287: }
1.227 schwarze 1288: return 1;
1.1 kristaps 1289: }
1290:
1291: static void
1292: termp_sh_post(DECL_ARGS)
1293: {
1294:
1.60 schwarze 1295: switch (n->type) {
1.213 schwarze 1296: case ROFFT_HEAD:
1.1 kristaps 1297: term_newln(p);
1298: break;
1.213 schwarze 1299: case ROFFT_BODY:
1.1 kristaps 1300: term_newln(p);
1301: p->offset = 0;
1302: break;
1303: default:
1304: break;
1305: }
1306: }
1307:
1308: static void
1309: termp_lb_post(DECL_ARGS)
1310: {
1311:
1.237 schwarze 1312: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1313: term_newln(p);
1.1 kristaps 1314: }
1315:
1316: static int
1317: termp_d1_pre(DECL_ARGS)
1318: {
1319:
1.213 schwarze 1320: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1321: return 1;
1.1 kristaps 1322: term_newln(p);
1.140 schwarze 1323: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1324: return 1;
1.1 kristaps 1325: }
1326:
1327: static int
1328: termp_ft_pre(DECL_ARGS)
1329: {
1330:
1.237 schwarze 1331: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1332: synopsis_pre(p, n);
1.65 schwarze 1333: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1334: return 1;
1.1 kristaps 1335: }
1336:
1337: static int
1338: termp_fn_pre(DECL_ARGS)
1339: {
1.159 schwarze 1340: size_t rmargin = 0;
1.132 schwarze 1341: int pretty;
1342:
1.237 schwarze 1343: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1344:
1.86 schwarze 1345: synopsis_pre(p, n);
1.85 schwarze 1346:
1.132 schwarze 1347: if (NULL == (n = n->child))
1.227 schwarze 1348: return 0;
1.132 schwarze 1349:
1.153 schwarze 1350: if (pretty) {
1351: rmargin = p->rmargin;
1.159 schwarze 1352: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1353: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1354: }
1355:
1.213 schwarze 1356: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1357: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1358: term_word(p, n->string);
1.65 schwarze 1359: term_fontpop(p);
1.1 kristaps 1360:
1.235 schwarze 1361: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1362: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1363:
1.153 schwarze 1364: if (pretty) {
1365: term_flushln(p);
1.165 schwarze 1366: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1367: p->offset = p->rmargin;
1368: p->rmargin = rmargin;
1369: }
1370:
1.1 kristaps 1371: p->flags |= TERMP_NOSPACE;
1372: term_word(p, "(");
1.132 schwarze 1373: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1374:
1.132 schwarze 1375: for (n = n->next; n; n = n->next) {
1.213 schwarze 1376: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1377: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1378: if (pretty)
1379: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1380: term_word(p, n->string);
1.65 schwarze 1381: term_fontpop(p);
1382:
1.132 schwarze 1383: if (n->next) {
1384: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1385: term_word(p, ",");
1.132 schwarze 1386: }
1.1 kristaps 1387: }
1388:
1.132 schwarze 1389: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1390: term_word(p, ")");
1391:
1.132 schwarze 1392: if (pretty) {
1393: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1394: term_word(p, ";");
1.153 schwarze 1395: term_flushln(p);
1.132 schwarze 1396: }
1.1 kristaps 1397:
1.227 schwarze 1398: return 0;
1.1 kristaps 1399: }
1400:
1401: static int
1402: termp_fa_pre(DECL_ARGS)
1403: {
1.214 schwarze 1404: const struct roff_node *nn;
1.1 kristaps 1405:
1.60 schwarze 1406: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1407: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1408: return 1;
1.1 kristaps 1409: }
1410:
1.60 schwarze 1411: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1412: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1413: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1414: term_word(p, nn->string);
1.65 schwarze 1415: term_fontpop(p);
1416:
1.158 schwarze 1417: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1418: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1419: term_word(p, ",");
1.132 schwarze 1420: }
1.1 kristaps 1421: }
1422:
1.227 schwarze 1423: return 0;
1.1 kristaps 1424: }
1425:
1426: static int
1427: termp_bd_pre(DECL_ARGS)
1428: {
1.174 schwarze 1429: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1430: struct roff_node *nn;
1.201 schwarze 1431: int offset;
1.1 kristaps 1432:
1.213 schwarze 1433: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1434: print_bvspace(p, n, n);
1.227 schwarze 1435: return 1;
1.213 schwarze 1436: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1437: return 0;
1.1 kristaps 1438:
1.187 schwarze 1439: /* Handle the -offset argument. */
1440:
1441: if (n->norm->Bd.offs == NULL ||
1442: ! strcmp(n->norm->Bd.offs, "left"))
1443: /* nothing */;
1444: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1445: p->offset += term_len(p, p->defindent + 1);
1446: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1447: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1448: else {
1449: offset = a2width(p, n->norm->Bd.offs);
1450: if (offset < 0 && (size_t)(-offset) > p->offset)
1451: p->offset = 0;
1452: else if (offset < SHRT_MAX)
1453: p->offset += offset;
1454: }
1.60 schwarze 1455:
1456: /*
1457: * If -ragged or -filled are specified, the block does nothing
1458: * but change the indentation. If -unfilled or -literal are
1459: * specified, text is printed exactly as entered in the display:
1460: * for macro lines, a newline is appended to the line. Blank
1461: * lines are allowed.
1462: */
1.166 schwarze 1463:
1464: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1465: DISP_unfilled != n->norm->Bd.type &&
1466: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1467: return 1;
1.1 kristaps 1468:
1.75 schwarze 1469: tabwidth = p->tabwidth;
1.123 schwarze 1470: if (DISP_literal == n->norm->Bd.type)
1471: p->tabwidth = term_len(p, 8);
1472:
1.174 schwarze 1473: lm = p->offset;
1.77 schwarze 1474: rm = p->rmargin;
1475: rmax = p->maxrmargin;
1476: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1477:
1.60 schwarze 1478: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1479: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1480: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1481: len = term_strlen(p, nn->string);
1482: p->offset = len >= rm ? 0 :
1483: lm + len >= rm ? rm - len :
1484: (lm + rm - len) / 2;
1485: } else
1486: p->offset = lm;
1487: }
1.147 schwarze 1488: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1489: /*
1490: * If the printed node flushes its own line, then we
1491: * needn't do it here as well. This is hacky, but the
1492: * notion of selective eoln whitespace is pretty dumb
1493: * anyway, so don't sweat it.
1494: */
1495: switch (nn->tok) {
1.166 schwarze 1496: case MDOC_Sm:
1497: case MDOC_br:
1498: case MDOC_sp:
1499: case MDOC_Bl:
1500: case MDOC_D1:
1501: case MDOC_Dl:
1502: case MDOC_Lp:
1503: case MDOC_Pp:
1.108 schwarze 1504: continue;
1505: default:
1506: break;
1507: }
1.198 schwarze 1508: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1509: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1510: continue;
1511: term_flushln(p);
1.48 schwarze 1512: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1513: }
1.88 schwarze 1514:
1.75 schwarze 1515: p->tabwidth = tabwidth;
1.77 schwarze 1516: p->rmargin = rm;
1517: p->maxrmargin = rmax;
1.227 schwarze 1518: return 0;
1.1 kristaps 1519: }
1520:
1521: static void
1522: termp_bd_post(DECL_ARGS)
1523: {
1.77 schwarze 1524: size_t rm, rmax;
1.1 kristaps 1525:
1.213 schwarze 1526: if (n->type != ROFFT_BODY)
1.1 kristaps 1527: return;
1.77 schwarze 1528:
1529: rm = p->rmargin;
1530: rmax = p->maxrmargin;
1531:
1.166 schwarze 1532: if (DISP_literal == n->norm->Bd.type ||
1533: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1534: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1535:
1.48 schwarze 1536: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1537: term_newln(p);
1.77 schwarze 1538:
1539: p->rmargin = rm;
1540: p->maxrmargin = rmax;
1.1 kristaps 1541: }
1542:
1543: static int
1.26 schwarze 1544: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1545: {
1.238 schwarze 1546: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1547: p->flags |= TERMP_PREKEEP;
1548: return 1;
1549: }
1.1 kristaps 1550:
1.238 schwarze 1551: static void
1552: termp_xx_post(DECL_ARGS)
1553: {
1554: if (n->aux == 0)
1555: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1556: }
1557:
1558: static void
1559: termp_pf_post(DECL_ARGS)
1560: {
1561:
1.237 schwarze 1562: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1563: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1564: }
1565:
1566: static int
1567: termp_ss_pre(DECL_ARGS)
1568: {
1.236 schwarze 1569: struct roff_node *nn;
1.1 kristaps 1570:
1.60 schwarze 1571: switch (n->type) {
1.213 schwarze 1572: case ROFFT_BLOCK:
1.1 kristaps 1573: term_newln(p);
1.236 schwarze 1574: for (nn = n->prev; nn != NULL; nn = nn->prev)
1575: if ((nn->flags & NODE_NOPRT) == 0)
1576: break;
1577: if (nn != NULL)
1.1 kristaps 1578: term_vspace(p);
1579: break;
1.213 schwarze 1580: case ROFFT_HEAD:
1.65 schwarze 1581: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1582: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1583: break;
1.213 schwarze 1584: case ROFFT_BODY:
1.176 schwarze 1585: p->offset = term_len(p, p->defindent);
1586: break;
1.1 kristaps 1587: default:
1588: break;
1589: }
1590:
1.227 schwarze 1591: return 1;
1.1 kristaps 1592: }
1593:
1594: static void
1595: termp_ss_post(DECL_ARGS)
1596: {
1597:
1.213 schwarze 1598: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1599: term_newln(p);
1600: }
1601:
1602: static int
1603: termp_cd_pre(DECL_ARGS)
1604: {
1605:
1.86 schwarze 1606: synopsis_pre(p, n);
1.65 schwarze 1607: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1608: return 1;
1.1 kristaps 1609: }
1610:
1611: static int
1612: termp_in_pre(DECL_ARGS)
1613: {
1614:
1.86 schwarze 1615: synopsis_pre(p, n);
1.85 schwarze 1616:
1.237 schwarze 1617: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1618: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1619: term_word(p, "#include");
1.85 schwarze 1620: term_word(p, "<");
1621: } else {
1622: term_word(p, "<");
1623: term_fontpush(p, TERMFONT_UNDER);
1624: }
1.23 schwarze 1625:
1.1 kristaps 1626: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1627: return 1;
1.1 kristaps 1628: }
1629:
1630: static void
1631: termp_in_post(DECL_ARGS)
1632: {
1633:
1.237 schwarze 1634: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1635: term_fontpush(p, TERMFONT_BOLD);
1636:
1.59 schwarze 1637: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1638: term_word(p, ">");
1639:
1.237 schwarze 1640: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1641: term_fontpop(p);
1.38 schwarze 1642: }
1643:
1644: static int
1645: termp_sp_pre(DECL_ARGS)
1646: {
1.199 schwarze 1647: struct roffsu su;
1.211 schwarze 1648: int i, len;
1.38 schwarze 1649:
1.60 schwarze 1650: switch (n->tok) {
1.166 schwarze 1651: case MDOC_sp:
1.199 schwarze 1652: if (n->child) {
1653: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1654: su.scale = 1.0;
1655: len = term_vspan(p, &su);
1656: } else
1657: len = 1;
1.54 schwarze 1658: break;
1.166 schwarze 1659: case MDOC_br:
1.54 schwarze 1660: len = 0;
1661: break;
1662: default:
1663: len = 1;
1.221 schwarze 1664: fn_prio = 0;
1.54 schwarze 1665: break;
1.38 schwarze 1666: }
1667:
1668: if (0 == len)
1669: term_newln(p);
1.211 schwarze 1670: else if (len < 0)
1671: p->skipvsp -= len;
1672: else
1673: for (i = 0; i < len; i++)
1674: term_vspace(p);
1.38 schwarze 1675:
1.227 schwarze 1676: return 0;
1.38 schwarze 1677: }
1678:
1679: static int
1.193 schwarze 1680: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1681: {
1682:
1.227 schwarze 1683: return 0;
1.170 schwarze 1684: }
1685:
1686: static int
1.107 schwarze 1687: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1688: {
1689:
1.213 schwarze 1690: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1691: return 1;
1.1 kristaps 1692:
1.107 schwarze 1693: switch (n->tok) {
1.166 schwarze 1694: case MDOC_Ao:
1695: case MDOC_Aq:
1.230 schwarze 1696: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1697: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1698: break;
1.166 schwarze 1699: case MDOC_Bro:
1700: case MDOC_Brq:
1.107 schwarze 1701: term_word(p, "{");
1702: break;
1.166 schwarze 1703: case MDOC_Oo:
1704: case MDOC_Op:
1705: case MDOC_Bo:
1706: case MDOC_Bq:
1.107 schwarze 1707: term_word(p, "[");
1708: break;
1.166 schwarze 1709: case MDOC_Do:
1710: case MDOC_Dq:
1.210 schwarze 1711: term_word(p, "\\(Lq");
1.107 schwarze 1712: break;
1.170 schwarze 1713: case MDOC_En:
1714: if (NULL == n->norm->Es ||
1715: NULL == n->norm->Es->child)
1.227 schwarze 1716: return 1;
1.170 schwarze 1717: term_word(p, n->norm->Es->child->string);
1718: break;
1.166 schwarze 1719: case MDOC_Po:
1720: case MDOC_Pq:
1.107 schwarze 1721: term_word(p, "(");
1722: break;
1.166 schwarze 1723: case MDOC__T:
1724: case MDOC_Qo:
1725: case MDOC_Qq:
1.107 schwarze 1726: term_word(p, "\"");
1727: break;
1.166 schwarze 1728: case MDOC_Ql:
1729: case MDOC_So:
1730: case MDOC_Sq:
1.151 schwarze 1731: term_word(p, "\\(oq");
1.107 schwarze 1732: break;
1733: default:
1734: abort();
1735: }
1.1 kristaps 1736:
1737: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1738: return 1;
1.1 kristaps 1739: }
1740:
1741: static void
1.107 schwarze 1742: termp_quote_post(DECL_ARGS)
1.1 kristaps 1743: {
1744:
1.213 schwarze 1745: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1746: return;
1747:
1.205 schwarze 1748: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1749:
1.107 schwarze 1750: switch (n->tok) {
1.166 schwarze 1751: case MDOC_Ao:
1752: case MDOC_Aq:
1.230 schwarze 1753: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1754: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1755: break;
1.166 schwarze 1756: case MDOC_Bro:
1757: case MDOC_Brq:
1.107 schwarze 1758: term_word(p, "}");
1759: break;
1.166 schwarze 1760: case MDOC_Oo:
1761: case MDOC_Op:
1762: case MDOC_Bo:
1763: case MDOC_Bq:
1.107 schwarze 1764: term_word(p, "]");
1765: break;
1.166 schwarze 1766: case MDOC_Do:
1767: case MDOC_Dq:
1.210 schwarze 1768: term_word(p, "\\(Rq");
1.170 schwarze 1769: break;
1770: case MDOC_En:
1.205 schwarze 1771: if (n->norm->Es == NULL ||
1772: n->norm->Es->child == NULL ||
1773: n->norm->Es->child->next == NULL)
1774: p->flags &= ~TERMP_NOSPACE;
1775: else
1.170 schwarze 1776: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1777: break;
1.166 schwarze 1778: case MDOC_Po:
1779: case MDOC_Pq:
1.107 schwarze 1780: term_word(p, ")");
1781: break;
1.166 schwarze 1782: case MDOC__T:
1783: case MDOC_Qo:
1784: case MDOC_Qq:
1.107 schwarze 1785: term_word(p, "\"");
1786: break;
1.166 schwarze 1787: case MDOC_Ql:
1788: case MDOC_So:
1789: case MDOC_Sq:
1.151 schwarze 1790: term_word(p, "\\(cq");
1.107 schwarze 1791: break;
1792: default:
1793: abort();
1794: }
1.205 schwarze 1795: }
1796:
1797: static int
1798: termp_eo_pre(DECL_ARGS)
1799: {
1800:
1.213 schwarze 1801: if (n->type != ROFFT_BODY)
1.227 schwarze 1802: return 1;
1.205 schwarze 1803:
1804: if (n->end == ENDBODY_NOT &&
1805: n->parent->head->child == NULL &&
1806: n->child != NULL &&
1807: n->child->end != ENDBODY_NOT)
1808: term_word(p, "\\&");
1809: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1810: n->parent->head->child != NULL && (n->child != NULL ||
1811: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1812: p->flags |= TERMP_NOSPACE;
1813:
1.227 schwarze 1814: return 1;
1.205 schwarze 1815: }
1816:
1817: static void
1818: termp_eo_post(DECL_ARGS)
1819: {
1820: int body, tail;
1821:
1.213 schwarze 1822: if (n->type != ROFFT_BODY)
1.205 schwarze 1823: return;
1824:
1825: if (n->end != ENDBODY_NOT) {
1826: p->flags &= ~TERMP_NOSPACE;
1827: return;
1828: }
1829:
1830: body = n->child != NULL || n->parent->head->child != NULL;
1831: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1832:
1833: if (body && tail)
1834: p->flags |= TERMP_NOSPACE;
1835: else if ( ! (body || tail))
1836: term_word(p, "\\&");
1837: else if ( ! tail)
1838: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1839: }
1840:
1841: static int
1842: termp_fo_pre(DECL_ARGS)
1843: {
1.159 schwarze 1844: size_t rmargin = 0;
1.158 schwarze 1845: int pretty;
1846:
1.237 schwarze 1847: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1848:
1.213 schwarze 1849: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1850: synopsis_pre(p, n);
1.227 schwarze 1851: return 1;
1.213 schwarze 1852: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1853: if (pretty) {
1854: rmargin = p->rmargin;
1.159 schwarze 1855: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1856: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1857: TERMP_HANG;
1.158 schwarze 1858: }
1.31 schwarze 1859: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1860: term_word(p, "(");
1.132 schwarze 1861: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1862: if (pretty) {
1863: term_flushln(p);
1.165 schwarze 1864: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1865: TERMP_HANG);
1.158 schwarze 1866: p->offset = p->rmargin;
1867: p->rmargin = rmargin;
1868: }
1.227 schwarze 1869: return 1;
1.158 schwarze 1870: }
1.85 schwarze 1871:
1.95 schwarze 1872: if (NULL == n->child)
1.227 schwarze 1873: return 0;
1.95 schwarze 1874:
1.85 schwarze 1875: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1876:
1.85 schwarze 1877: assert(n->child->string);
1.65 schwarze 1878: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1879: term_word(p, n->child->string);
1.227 schwarze 1880: return 0;
1.1 kristaps 1881: }
1882:
1883: static void
1884: termp_fo_post(DECL_ARGS)
1885: {
1886:
1.213 schwarze 1887: if (n->type != ROFFT_BODY)
1.86 schwarze 1888: return;
1889:
1.132 schwarze 1890: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1891: term_word(p, ")");
1892:
1.237 schwarze 1893: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1894: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1895: term_word(p, ";");
1.158 schwarze 1896: term_flushln(p);
1.132 schwarze 1897: }
1.1 kristaps 1898: }
1899:
1900: static int
1901: termp_bf_pre(DECL_ARGS)
1902: {
1903:
1.213 schwarze 1904: if (n->type == ROFFT_HEAD)
1.227 schwarze 1905: return 0;
1.213 schwarze 1906: else if (n->type != ROFFT_BODY)
1.227 schwarze 1907: return 1;
1.1 kristaps 1908:
1.166 schwarze 1909: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1910: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1911: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1912: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1913: else
1.65 schwarze 1914: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1915:
1.227 schwarze 1916: return 1;
1.1 kristaps 1917: }
1918:
1919: static int
1920: termp_sm_pre(DECL_ARGS)
1921: {
1922:
1.171 schwarze 1923: if (NULL == n->child)
1924: p->flags ^= TERMP_NONOSPACE;
1925: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1926: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1927: else
1.1 kristaps 1928: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1929:
1930: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1931: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1932:
1.227 schwarze 1933: return 0;
1.1 kristaps 1934: }
1935:
1936: static int
1937: termp_ap_pre(DECL_ARGS)
1938: {
1939:
1940: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1941: term_word(p, "'");
1.1 kristaps 1942: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1943: return 1;
1.1 kristaps 1944: }
1945:
1946: static void
1947: termp____post(DECL_ARGS)
1948: {
1.104 schwarze 1949:
1950: /*
1951: * Handle lists of authors. In general, print each followed by
1952: * a comma. Don't print the comma if there are only two
1953: * authors.
1954: */
1955: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1956: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1957: if (NULL == n->prev || MDOC__A != n->prev->tok)
1958: return;
1.1 kristaps 1959:
1.62 schwarze 1960: /* TODO: %U. */
1961:
1.106 schwarze 1962: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1963: return;
1964:
1.132 schwarze 1965: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1966: if (NULL == n->next) {
1967: term_word(p, ".");
1968: p->flags |= TERMP_SENTENCE;
1969: } else
1970: term_word(p, ",");
1.1 kristaps 1971: }
1972:
1973: static int
1.65 schwarze 1974: termp_li_pre(DECL_ARGS)
1975: {
1976:
1.234 schwarze 1977: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1978: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1979: return 1;
1.65 schwarze 1980: }
1981:
1982: static int
1.1 kristaps 1983: termp_lk_pre(DECL_ARGS)
1984: {
1.214 schwarze 1985: const struct roff_node *link, *descr;
1.1 kristaps 1986:
1.142 schwarze 1987: if (NULL == (link = n->child))
1.227 schwarze 1988: return 0;
1.101 schwarze 1989:
1.142 schwarze 1990: if (NULL != (descr = link->next)) {
1991: term_fontpush(p, TERMFONT_UNDER);
1992: while (NULL != descr) {
1993: term_word(p, descr->string);
1994: descr = descr->next;
1995: }
1996: p->flags |= TERMP_NOSPACE;
1997: term_word(p, ":");
1998: term_fontpop(p);
1999: }
1.1 kristaps 2000:
1.65 schwarze 2001: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2002: term_word(p, link->string);
1.65 schwarze 2003: term_fontpop(p);
1.6 schwarze 2004:
1.227 schwarze 2005: return 0;
1.1 kristaps 2006: }
2007:
1.90 schwarze 2008: static int
2009: termp_bk_pre(DECL_ARGS)
2010: {
2011:
1.91 schwarze 2012: switch (n->type) {
1.213 schwarze 2013: case ROFFT_BLOCK:
1.95 schwarze 2014: break;
1.213 schwarze 2015: case ROFFT_HEAD:
1.227 schwarze 2016: return 0;
1.213 schwarze 2017: case ROFFT_BODY:
1.230 schwarze 2018: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2019: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2020: break;
1.91 schwarze 2021: default:
2022: abort();
2023: }
1.95 schwarze 2024:
1.227 schwarze 2025: return 1;
1.90 schwarze 2026: }
2027:
2028: static void
2029: termp_bk_post(DECL_ARGS)
2030: {
2031:
1.213 schwarze 2032: if (n->type == ROFFT_BODY)
1.91 schwarze 2033: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2034: }
1.120 schwarze 2035:
2036: static void
2037: termp__t_post(DECL_ARGS)
2038: {
2039:
2040: /*
2041: * If we're in an `Rs' and there's a journal present, then quote
2042: * us instead of underlining us (for disambiguation).
2043: */
1.121 schwarze 2044: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2045: n->parent->norm->Rs.quote_T)
1.147 schwarze 2046: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2047:
1.147 schwarze 2048: termp____post(p, pair, meta, n);
1.120 schwarze 2049: }
2050:
2051: static int
2052: termp__t_pre(DECL_ARGS)
2053: {
2054:
2055: /*
2056: * If we're in an `Rs' and there's a journal present, then quote
2057: * us instead of underlining us (for disambiguation).
2058: */
1.121 schwarze 2059: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2060: n->parent->norm->Rs.quote_T)
1.227 schwarze 2061: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2062:
2063: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2064: return 1;
1.121 schwarze 2065: }
1.1 kristaps 2066:
2067: static int
1.54 schwarze 2068: termp_under_pre(DECL_ARGS)
1.1 kristaps 2069: {
2070:
1.65 schwarze 2071: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2072: return 1;
2073: }
2074:
2075: static int
2076: termp_em_pre(DECL_ARGS)
2077: {
2078: if (n->child != NULL &&
2079: n->child->type == ROFFT_TEXT)
2080: tag_put(n->child->string, 0, p->line);
2081: term_fontpush(p, TERMFONT_UNDER);
2082: return 1;
2083: }
2084:
2085: static int
2086: termp_sy_pre(DECL_ARGS)
2087: {
2088: if (n->child != NULL &&
2089: n->child->type == ROFFT_TEXT)
2090: tag_put(n->child->string, 0, p->line);
2091: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2092: return 1;
1.222 schwarze 2093: }
2094:
2095: static int
2096: termp_er_pre(DECL_ARGS)
2097: {
2098:
2099: if (n->sec == SEC_ERRORS &&
2100: (n->parent->tok == MDOC_It ||
2101: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2102: n->parent->parent->parent->tok == MDOC_It)))
2103: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2104: return 1;
1.219 schwarze 2105: }
2106:
2107: static int
2108: termp_tag_pre(DECL_ARGS)
2109: {
2110:
2111: if (n->child != NULL &&
2112: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2113: (n->prev == NULL ||
2114: (n->prev->type == ROFFT_TEXT &&
2115: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2116: (n->parent->tok == MDOC_It ||
2117: (n->parent->tok == MDOC_Xo &&
2118: n->parent->parent->prev == NULL &&
1.223 schwarze 2119: n->parent->parent->parent->tok == MDOC_It)))
2120: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2121: return 1;
1.1 kristaps 2122: }
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