Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.244
1.244 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.243 2017/02/16 02:59:42 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: {
1.244 ! schwarze 607: struct roffsu su;
1.201 schwarze 608: char buf[24];
1.214 schwarze 609: const struct roff_node *bl, *nn;
1.201 schwarze 610: size_t ncols, dcol;
611: int i, offset, width;
1.82 schwarze 612: enum mdoc_list type;
1.1 kristaps 613:
1.213 schwarze 614: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 615: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 616: return 1;
1.45 schwarze 617: }
1.1 kristaps 618:
1.60 schwarze 619: bl = n->parent->parent->parent;
1.121 schwarze 620: type = bl->norm->Bl.type;
1.1 kristaps 621:
1.166 schwarze 622: /*
1.201 schwarze 623: * Defaults for specific list types.
624: */
625:
626: switch (type) {
627: case LIST_bullet:
628: case LIST_dash:
629: case LIST_hyphen:
630: case LIST_enum:
631: width = term_len(p, 2);
632: break;
633: case LIST_hang:
1.231 schwarze 634: case LIST_tag:
1.201 schwarze 635: width = term_len(p, 8);
636: break;
637: case LIST_column:
638: width = term_len(p, 10);
639: break;
640: default:
641: width = 0;
642: break;
643: }
644: offset = 0;
645:
646: /*
1.68 schwarze 647: * First calculate width and offset. This is pretty easy unless
648: * we're a -column list, in which case all prior columns must
649: * be accounted for.
650: */
651:
1.201 schwarze 652: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 653: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 654: if (offset < 0 && (size_t)(-offset) > p->offset)
655: offset = -p->offset;
656: else if (offset > SHRT_MAX)
657: offset = 0;
658: }
1.66 schwarze 659:
1.1 kristaps 660: switch (type) {
1.166 schwarze 661: case LIST_column:
1.213 schwarze 662: if (n->type == ROFFT_HEAD)
1.1 kristaps 663: break;
1.88 schwarze 664:
1.66 schwarze 665: /*
1.68 schwarze 666: * Imitate groff's column handling:
667: * - For each earlier column, add its width.
668: * - For less than 5 columns, add four more blanks per
669: * column.
670: * - For exactly 5 columns, add three more blank per
671: * column.
672: * - For more than 5 columns, add only one column.
1.66 schwarze 673: */
1.121 schwarze 674: ncols = bl->norm->Bl.ncols;
1.166 schwarze 675: dcol = ncols < 5 ? term_len(p, 4) :
676: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 677:
1.85 schwarze 678: /*
1.213 schwarze 679: * Calculate the offset by applying all prior ROFFT_BODY,
680: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 681: */
682:
1.166 schwarze 683: for (i = 0, nn = n->prev;
684: nn->prev && i < (int)ncols;
1.244 ! schwarze 685: nn = nn->prev, i++) {
! 686: SCALE_HS_INIT(&su,
! 687: term_strlen(p, bl->norm->Bl.cols[i]));
! 688: su.scale /= term_strlen(p, "0");
! 689: offset += term_hspan(p, &su) / 24 + dcol;
! 690: }
1.66 schwarze 691:
692: /*
1.68 schwarze 693: * When exceeding the declared number of columns, leave
694: * the remaining widths at 0. This will later be
695: * adjusted to the default width of 10, or, for the last
696: * column, stretched to the right margin.
1.46 schwarze 697: */
1.68 schwarze 698: if (i >= (int)ncols)
699: break;
1.46 schwarze 700:
1.66 schwarze 701: /*
1.68 schwarze 702: * Use the declared column widths, extended as explained
703: * in the preceding paragraph.
1.66 schwarze 704: */
1.244 ! schwarze 705: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
! 706: su.scale /= term_strlen(p, "0");
! 707: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 708: break;
709: default:
1.121 schwarze 710: if (NULL == bl->norm->Bl.width)
1.68 schwarze 711: break;
712:
1.166 schwarze 713: /*
1.68 schwarze 714: * Note: buffer the width by 2, which is groff's magic
715: * number for buffering single arguments. See the above
716: * handling for column for how this changes.
717: */
1.121 schwarze 718: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 719: if (width < 0 && (size_t)(-width) > p->offset)
720: width = -p->offset;
721: else if (width > SHRT_MAX)
722: width = 0;
1.1 kristaps 723: break;
724: }
725:
1.166 schwarze 726: /*
1.16 schwarze 727: * Whitespace control. Inset bodies need an initial space,
728: * while diagonal bodies need two.
1.1 kristaps 729: */
730:
1.42 schwarze 731: p->flags |= TERMP_NOSPACE;
732:
1.1 kristaps 733: switch (type) {
1.166 schwarze 734: case LIST_diag:
1.213 schwarze 735: if (n->type == ROFFT_BODY)
1.48 schwarze 736: term_word(p, "\\ \\ ");
1.42 schwarze 737: break;
1.166 schwarze 738: case LIST_inset:
1.230 schwarze 739: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 740: term_word(p, "\\ ");
1.1 kristaps 741: break;
742: default:
743: break;
744: }
745:
1.42 schwarze 746: p->flags |= TERMP_NOSPACE;
747:
1.1 kristaps 748: switch (type) {
1.166 schwarze 749: case LIST_diag:
1.213 schwarze 750: if (n->type == ROFFT_HEAD)
1.65 schwarze 751: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 752: break;
753: default:
754: break;
755: }
756:
757: /*
1.68 schwarze 758: * Pad and break control. This is the tricky part. These flags
759: * are documented in term_flushln() in term.c. Note that we're
760: * going to unset all of these flags in termp_it_post() when we
761: * exit.
1.1 kristaps 762: */
763:
764: switch (type) {
1.166 schwarze 765: case LIST_enum:
1.228 schwarze 766: case LIST_bullet:
767: case LIST_dash:
768: case LIST_hyphen:
1.144 schwarze 769: /*
770: * Weird special case.
1.201 schwarze 771: * Some very narrow lists actually hang.
1.144 schwarze 772: */
1.201 schwarze 773: if (width <= (int)term_len(p, 2))
774: p->flags |= TERMP_HANG;
1.213 schwarze 775: if (n->type != ROFFT_HEAD)
1.152 schwarze 776: break;
777: p->flags |= TERMP_NOBREAK;
778: p->trailspace = 1;
1.33 schwarze 779: break;
1.166 schwarze 780: case LIST_hang:
1.213 schwarze 781: if (n->type != ROFFT_HEAD)
1.47 schwarze 782: break;
783:
784: /*
785: * This is ugly. If `-hang' is specified and the body
786: * is a `Bl' or `Bd', then we want basically to nullify
787: * the "overstep" effect in term_flushln() and treat
788: * this as a `-ohang' list instead.
789: */
1.178 schwarze 790: if (NULL != n->next &&
791: NULL != n->next->child &&
1.166 schwarze 792: (MDOC_Bl == n->next->child->tok ||
793: MDOC_Bd == n->next->child->tok))
1.152 schwarze 794: break;
795:
1.165 schwarze 796: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 797: p->trailspace = 1;
1.33 schwarze 798: break;
1.166 schwarze 799: case LIST_tag:
1.213 schwarze 800: if (n->type != ROFFT_HEAD)
1.33 schwarze 801: break;
1.152 schwarze 802:
1.225 schwarze 803: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 804: p->trailspace = 2;
805:
1.60 schwarze 806: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 807: p->flags |= TERMP_DANGLE;
1.1 kristaps 808: break;
1.166 schwarze 809: case LIST_column:
1.213 schwarze 810: if (n->type == ROFFT_HEAD)
1.85 schwarze 811: break;
812:
1.152 schwarze 813: if (NULL == n->next) {
1.85 schwarze 814: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 815: p->trailspace = 0;
816: } else {
1.85 schwarze 817: p->flags |= TERMP_NOBREAK;
1.152 schwarze 818: p->trailspace = 1;
819: }
1.85 schwarze 820:
1.1 kristaps 821: break;
1.166 schwarze 822: case LIST_diag:
1.213 schwarze 823: if (n->type != ROFFT_HEAD)
1.152 schwarze 824: break;
1.165 schwarze 825: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 826: p->trailspace = 1;
1.1 kristaps 827: break;
828: default:
829: break;
830: }
831:
1.166 schwarze 832: /*
1.1 kristaps 833: * Margin control. Set-head-width lists have their right
834: * margins shortened. The body for these lists has the offset
835: * necessarily lengthened. Everybody gets the offset.
836: */
837:
838: p->offset += offset;
839:
840: switch (type) {
1.166 schwarze 841: case LIST_hang:
1.47 schwarze 842: /*
843: * Same stipulation as above, regarding `-hang'. We
844: * don't want to recalculate rmargin and offsets when
845: * using `Bd' or `Bl' within `-hang' overstep lists.
846: */
1.213 schwarze 847: if (n->type == ROFFT_HEAD &&
1.178 schwarze 848: NULL != n->next &&
849: NULL != n->next->child &&
1.166 schwarze 850: (MDOC_Bl == n->next->child->tok ||
851: MDOC_Bd == n->next->child->tok))
1.47 schwarze 852: break;
853: /* FALLTHROUGH */
1.166 schwarze 854: case LIST_bullet:
855: case LIST_dash:
856: case LIST_enum:
857: case LIST_hyphen:
858: case LIST_tag:
1.213 schwarze 859: if (n->type == ROFFT_HEAD)
1.1 kristaps 860: p->rmargin = p->offset + width;
1.191 schwarze 861: else
1.1 kristaps 862: p->offset += width;
863: break;
1.166 schwarze 864: case LIST_column:
1.41 schwarze 865: assert(width);
1.1 kristaps 866: p->rmargin = p->offset + width;
1.166 schwarze 867: /*
1.43 schwarze 868: * XXX - this behaviour is not documented: the
869: * right-most column is filled to the right margin.
870: */
1.213 schwarze 871: if (n->type == ROFFT_HEAD)
1.85 schwarze 872: break;
873: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 874: p->rmargin = p->maxrmargin;
1.1 kristaps 875: break;
876: default:
877: break;
878: }
879:
1.166 schwarze 880: /*
1.1 kristaps 881: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 882: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 883: */
884:
1.213 schwarze 885: if (n->type == ROFFT_HEAD)
1.1 kristaps 886: switch (type) {
1.166 schwarze 887: case LIST_bullet:
1.65 schwarze 888: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 889: term_word(p, "\\[bu]");
1.65 schwarze 890: term_fontpop(p);
1.1 kristaps 891: break;
1.166 schwarze 892: case LIST_dash:
893: case LIST_hyphen:
1.65 schwarze 894: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 895: term_word(p, "-");
1.65 schwarze 896: term_fontpop(p);
1.1 kristaps 897: break;
1.166 schwarze 898: case LIST_enum:
1.1 kristaps 899: (pair->ppair->ppair->count)++;
1.167 schwarze 900: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 901: pair->ppair->ppair->count);
1.1 kristaps 902: term_word(p, buf);
903: break;
904: default:
905: break;
906: }
1.12 schwarze 907:
1.166 schwarze 908: /*
1.1 kristaps 909: * If we're not going to process our children, indicate so here.
910: */
911:
912: switch (type) {
1.166 schwarze 913: case LIST_bullet:
914: case LIST_item:
915: case LIST_dash:
916: case LIST_hyphen:
917: case LIST_enum:
1.213 schwarze 918: if (n->type == ROFFT_HEAD)
1.227 schwarze 919: return 0;
1.1 kristaps 920: break;
1.166 schwarze 921: case LIST_column:
1.213 schwarze 922: if (n->type == ROFFT_HEAD)
1.227 schwarze 923: return 0;
1.1 kristaps 924: break;
925: default:
926: break;
927: }
928:
1.227 schwarze 929: return 1;
1.1 kristaps 930: }
931:
932: static void
933: termp_it_post(DECL_ARGS)
934: {
1.82 schwarze 935: enum mdoc_list type;
1.1 kristaps 936:
1.213 schwarze 937: if (n->type == ROFFT_BLOCK)
1.1 kristaps 938: return;
939:
1.121 schwarze 940: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 941:
942: switch (type) {
1.166 schwarze 943: case LIST_item:
944: case LIST_diag:
945: case LIST_inset:
1.213 schwarze 946: if (n->type == ROFFT_BODY)
1.74 schwarze 947: term_newln(p);
1.1 kristaps 948: break;
1.166 schwarze 949: case LIST_column:
1.213 schwarze 950: if (n->type == ROFFT_BODY)
1.1 kristaps 951: term_flushln(p);
952: break;
953: default:
1.74 schwarze 954: term_newln(p);
1.1 kristaps 955: break;
956: }
957:
1.166 schwarze 958: /*
1.68 schwarze 959: * Now that our output is flushed, we can reset our tags. Since
960: * only `It' sets these flags, we're free to assume that nobody
961: * has munged them in the meanwhile.
962: */
963:
1.225 schwarze 964: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 965: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 966: p->trailspace = 0;
1.1 kristaps 967: }
968:
969: static int
970: termp_nm_pre(DECL_ARGS)
971: {
1.195 schwarze 972: const char *cp;
1.1 kristaps 973:
1.213 schwarze 974: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 975: p->flags |= TERMP_PREKEEP;
1.227 schwarze 976: return 1;
1.155 schwarze 977: }
1.94 schwarze 978:
1.213 schwarze 979: if (n->type == ROFFT_BODY) {
1.94 schwarze 980: if (NULL == n->child)
1.227 schwarze 981: return 0;
1.136 schwarze 982: p->flags |= TERMP_NOSPACE;
1.195 schwarze 983: cp = NULL;
984: if (n->prev->child != NULL)
985: cp = n->prev->child->string;
986: if (cp == NULL)
987: cp = meta->name;
988: if (cp == NULL)
989: p->offset += term_len(p, 6);
990: else
991: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 992: return 1;
1.94 schwarze 993: }
994:
1.242 schwarze 995: if (n->child == NULL)
1.227 schwarze 996: return 0;
1.81 schwarze 997:
1.213 schwarze 998: if (n->type == ROFFT_HEAD)
1.97 schwarze 999: synopsis_pre(p, n->parent);
1.65 schwarze 1000:
1.213 schwarze 1001: if (n->type == ROFFT_HEAD &&
1.178 schwarze 1002: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1003: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1004: p->trailspace = 1;
1.105 schwarze 1005: p->rmargin = p->offset + term_len(p, 1);
1006: if (NULL == n->child) {
1.147 schwarze 1007: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1008: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1009: p->rmargin += term_strlen(p, n->child->string);
1010: if (n->child->next)
1011: p->flags |= TERMP_HANG;
1012: } else {
1013: p->rmargin += term_len(p, 5);
1014: p->flags |= TERMP_HANG;
1015: }
1.94 schwarze 1016: }
1017:
1.65 schwarze 1018: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1019: return 1;
1.1 kristaps 1020: }
1021:
1.94 schwarze 1022: static void
1023: termp_nm_post(DECL_ARGS)
1024: {
1025:
1.213 schwarze 1026: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1027: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1028: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1029: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1030: term_flushln(p);
1.165 schwarze 1031: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1032: p->trailspace = 0;
1.213 schwarze 1033: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1034: term_flushln(p);
1035: }
1036:
1.1 kristaps 1037: static int
1038: termp_fl_pre(DECL_ARGS)
1039: {
1040:
1.219 schwarze 1041: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1042: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1043: term_word(p, "\\-");
1.67 schwarze 1044:
1.230 schwarze 1045: if (!(n->child == NULL &&
1.179 schwarze 1046: (n->next == NULL ||
1.213 schwarze 1047: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1048: n->next->flags & NODE_LINE)))
1.73 schwarze 1049: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1050:
1.227 schwarze 1051: return 1;
1.49 schwarze 1052: }
1053:
1054: static int
1.104 schwarze 1055: termp__a_pre(DECL_ARGS)
1056: {
1057:
1058: if (n->prev && MDOC__A == n->prev->tok)
1059: if (NULL == n->next || MDOC__A != n->next->tok)
1060: term_word(p, "and");
1061:
1.227 schwarze 1062: return 1;
1.104 schwarze 1063: }
1064:
1065: static int
1.49 schwarze 1066: termp_an_pre(DECL_ARGS)
1067: {
1068:
1.181 schwarze 1069: if (n->norm->An.auth == AUTH_split) {
1070: p->flags &= ~TERMP_NOSPLIT;
1071: p->flags |= TERMP_SPLIT;
1.227 schwarze 1072: return 0;
1.181 schwarze 1073: }
1074: if (n->norm->An.auth == AUTH_nosplit) {
1075: p->flags &= ~TERMP_SPLIT;
1076: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1077: return 0;
1.181 schwarze 1078: }
1.166 schwarze 1079:
1.181 schwarze 1080: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1081: term_newln(p);
1082:
1.181 schwarze 1083: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1084: p->flags |= TERMP_SPLIT;
1.49 schwarze 1085:
1.227 schwarze 1086: return 1;
1.1 kristaps 1087: }
1088:
1089: static int
1090: termp_ns_pre(DECL_ARGS)
1091: {
1092:
1.237 schwarze 1093: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1094: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1095: return 1;
1.1 kristaps 1096: }
1097:
1098: static int
1099: termp_rs_pre(DECL_ARGS)
1100: {
1101:
1.60 schwarze 1102: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1103: return 1;
1.213 schwarze 1104: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1105: term_vspace(p);
1.227 schwarze 1106: return 1;
1.1 kristaps 1107: }
1108:
1109: static int
1110: termp_ex_pre(DECL_ARGS)
1111: {
1.132 schwarze 1112: term_newln(p);
1.240 schwarze 1113: return 1;
1.1 kristaps 1114: }
1115:
1116: static int
1117: termp_nd_pre(DECL_ARGS)
1118: {
1.25 schwarze 1119:
1.213 schwarze 1120: if (n->type == ROFFT_BODY)
1.196 schwarze 1121: term_word(p, "\\(en");
1.227 schwarze 1122: return 1;
1.1 kristaps 1123: }
1124:
1.73 schwarze 1125: static int
1126: termp_bl_pre(DECL_ARGS)
1127: {
1128:
1.227 schwarze 1129: return n->type != ROFFT_HEAD;
1.73 schwarze 1130: }
1131:
1.1 kristaps 1132: static void
1133: termp_bl_post(DECL_ARGS)
1134: {
1135:
1.213 schwarze 1136: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1137: term_newln(p);
1138: }
1139:
1140: static int
1141: termp_xr_pre(DECL_ARGS)
1142: {
1143:
1.132 schwarze 1144: if (NULL == (n = n->child))
1.227 schwarze 1145: return 0;
1.72 schwarze 1146:
1.213 schwarze 1147: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1148: term_word(p, n->string);
1.10 schwarze 1149:
1.166 schwarze 1150: if (NULL == (n = n->next))
1.227 schwarze 1151: return 0;
1.132 schwarze 1152:
1.1 kristaps 1153: p->flags |= TERMP_NOSPACE;
1154: term_word(p, "(");
1.132 schwarze 1155: p->flags |= TERMP_NOSPACE;
1156:
1.213 schwarze 1157: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1158: term_word(p, n->string);
1159:
1160: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1161: term_word(p, ")");
1.60 schwarze 1162:
1.227 schwarze 1163: return 0;
1.1 kristaps 1164: }
1165:
1.86 schwarze 1166: /*
1167: * This decides how to assert whitespace before any of the SYNOPSIS set
1168: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1169: * macro combos).
1170: */
1171: static void
1.214 schwarze 1172: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1173: {
1.166 schwarze 1174: /*
1.86 schwarze 1175: * Obviously, if we're not in a SYNOPSIS or no prior macros
1176: * exist, do nothing.
1177: */
1.237 schwarze 1178: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1179: return;
1180:
1181: /*
1182: * If we're the second in a pair of like elements, emit our
1183: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1184: * case we soldier on.
1185: */
1.166 schwarze 1186: if (n->prev->tok == n->tok &&
1187: MDOC_Ft != n->tok &&
1188: MDOC_Fo != n->tok &&
1189: MDOC_Fn != n->tok) {
1.86 schwarze 1190: term_newln(p);
1191: return;
1192: }
1193:
1194: /*
1195: * If we're one of the SYNOPSIS set and non-like pair-wise after
1196: * another (or Fn/Fo, which we've let slip through) then assert
1197: * vertical space, else only newline and move on.
1198: */
1199: switch (n->prev->tok) {
1.166 schwarze 1200: case MDOC_Fd:
1201: case MDOC_Fn:
1202: case MDOC_Fo:
1203: case MDOC_In:
1204: case MDOC_Vt:
1.86 schwarze 1205: term_vspace(p);
1206: break;
1.166 schwarze 1207: case MDOC_Ft:
1.86 schwarze 1208: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1209: term_vspace(p);
1210: break;
1211: }
1212: /* FALLTHROUGH */
1213: default:
1214: term_newln(p);
1215: break;
1216: }
1217: }
1218:
1.69 schwarze 1219: static int
1220: termp_vt_pre(DECL_ARGS)
1221: {
1222:
1.213 schwarze 1223: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1224: synopsis_pre(p, n);
1.227 schwarze 1225: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1226: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1227: synopsis_pre(p, n);
1.227 schwarze 1228: return 1;
1.213 schwarze 1229: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1230: return 0;
1.69 schwarze 1231:
1.227 schwarze 1232: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1233: }
1234:
1.1 kristaps 1235: static int
1.54 schwarze 1236: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1237: {
1238:
1.219 schwarze 1239: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1240: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1241: return 1;
1.1 kristaps 1242: }
1243:
1.86 schwarze 1244: static int
1245: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1246: {
1247:
1.86 schwarze 1248: synopsis_pre(p, n);
1.227 schwarze 1249: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1250: }
1251:
1.143 schwarze 1252: static void
1253: termp_fd_post(DECL_ARGS)
1254: {
1255:
1256: term_newln(p);
1257: }
1258:
1.1 kristaps 1259: static int
1260: termp_sh_pre(DECL_ARGS)
1261: {
1.60 schwarze 1262:
1263: switch (n->type) {
1.213 schwarze 1264: case ROFFT_BLOCK:
1.192 schwarze 1265: /*
1266: * Vertical space before sections, except
1267: * when the previous section was empty.
1268: */
1269: if (n->prev == NULL ||
1.221 schwarze 1270: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1271: (n->prev->body != NULL &&
1272: n->prev->body->child != NULL))
1273: term_vspace(p);
1.52 schwarze 1274: break;
1.213 schwarze 1275: case ROFFT_HEAD:
1.65 schwarze 1276: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1277: break;
1.213 schwarze 1278: case ROFFT_BODY:
1.140 schwarze 1279: p->offset = term_len(p, p->defindent);
1.221 schwarze 1280: switch (n->sec) {
1281: case SEC_DESCRIPTION:
1282: fn_prio = 0;
1283: break;
1284: case SEC_AUTHORS:
1.141 schwarze 1285: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1286: break;
1287: default:
1288: break;
1289: }
1.1 kristaps 1290: break;
1291: default:
1292: break;
1293: }
1.227 schwarze 1294: return 1;
1.1 kristaps 1295: }
1296:
1297: static void
1298: termp_sh_post(DECL_ARGS)
1299: {
1300:
1.60 schwarze 1301: switch (n->type) {
1.213 schwarze 1302: case ROFFT_HEAD:
1.1 kristaps 1303: term_newln(p);
1304: break;
1.213 schwarze 1305: case ROFFT_BODY:
1.1 kristaps 1306: term_newln(p);
1307: p->offset = 0;
1308: break;
1309: default:
1310: break;
1311: }
1312: }
1313:
1314: static void
1315: termp_lb_post(DECL_ARGS)
1316: {
1317:
1.237 schwarze 1318: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1319: term_newln(p);
1.1 kristaps 1320: }
1321:
1322: static int
1323: termp_d1_pre(DECL_ARGS)
1324: {
1325:
1.213 schwarze 1326: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1327: return 1;
1.1 kristaps 1328: term_newln(p);
1.140 schwarze 1329: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1330: return 1;
1.1 kristaps 1331: }
1332:
1333: static int
1334: termp_ft_pre(DECL_ARGS)
1335: {
1336:
1.237 schwarze 1337: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1338: synopsis_pre(p, n);
1.65 schwarze 1339: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1340: return 1;
1.1 kristaps 1341: }
1342:
1343: static int
1344: termp_fn_pre(DECL_ARGS)
1345: {
1.159 schwarze 1346: size_t rmargin = 0;
1.132 schwarze 1347: int pretty;
1348:
1.237 schwarze 1349: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1350:
1.86 schwarze 1351: synopsis_pre(p, n);
1.85 schwarze 1352:
1.132 schwarze 1353: if (NULL == (n = n->child))
1.227 schwarze 1354: return 0;
1.132 schwarze 1355:
1.153 schwarze 1356: if (pretty) {
1357: rmargin = p->rmargin;
1.159 schwarze 1358: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1359: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1360: }
1361:
1.213 schwarze 1362: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1363: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1364: term_word(p, n->string);
1.65 schwarze 1365: term_fontpop(p);
1.1 kristaps 1366:
1.235 schwarze 1367: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1368: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1369:
1.153 schwarze 1370: if (pretty) {
1371: term_flushln(p);
1.165 schwarze 1372: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1373: p->offset = p->rmargin;
1374: p->rmargin = rmargin;
1375: }
1376:
1.1 kristaps 1377: p->flags |= TERMP_NOSPACE;
1378: term_word(p, "(");
1.132 schwarze 1379: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1380:
1.132 schwarze 1381: for (n = n->next; n; n = n->next) {
1.213 schwarze 1382: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1383: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1384: if (pretty)
1385: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1386: term_word(p, n->string);
1.65 schwarze 1387: term_fontpop(p);
1388:
1.132 schwarze 1389: if (n->next) {
1390: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1391: term_word(p, ",");
1.132 schwarze 1392: }
1.1 kristaps 1393: }
1394:
1.132 schwarze 1395: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1396: term_word(p, ")");
1397:
1.132 schwarze 1398: if (pretty) {
1399: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1400: term_word(p, ";");
1.153 schwarze 1401: term_flushln(p);
1.132 schwarze 1402: }
1.1 kristaps 1403:
1.227 schwarze 1404: return 0;
1.1 kristaps 1405: }
1406:
1407: static int
1408: termp_fa_pre(DECL_ARGS)
1409: {
1.214 schwarze 1410: const struct roff_node *nn;
1.1 kristaps 1411:
1.60 schwarze 1412: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1413: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1414: return 1;
1.1 kristaps 1415: }
1416:
1.60 schwarze 1417: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1418: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1419: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1420: term_word(p, nn->string);
1.65 schwarze 1421: term_fontpop(p);
1422:
1.158 schwarze 1423: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1424: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1425: term_word(p, ",");
1.132 schwarze 1426: }
1.1 kristaps 1427: }
1428:
1.227 schwarze 1429: return 0;
1.1 kristaps 1430: }
1431:
1432: static int
1433: termp_bd_pre(DECL_ARGS)
1434: {
1.174 schwarze 1435: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1436: struct roff_node *nn;
1.201 schwarze 1437: int offset;
1.1 kristaps 1438:
1.213 schwarze 1439: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1440: print_bvspace(p, n, n);
1.227 schwarze 1441: return 1;
1.213 schwarze 1442: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1443: return 0;
1.1 kristaps 1444:
1.187 schwarze 1445: /* Handle the -offset argument. */
1446:
1447: if (n->norm->Bd.offs == NULL ||
1448: ! strcmp(n->norm->Bd.offs, "left"))
1449: /* nothing */;
1450: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1451: p->offset += term_len(p, p->defindent + 1);
1452: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1453: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1454: else {
1455: offset = a2width(p, n->norm->Bd.offs);
1456: if (offset < 0 && (size_t)(-offset) > p->offset)
1457: p->offset = 0;
1458: else if (offset < SHRT_MAX)
1459: p->offset += offset;
1460: }
1.60 schwarze 1461:
1462: /*
1463: * If -ragged or -filled are specified, the block does nothing
1464: * but change the indentation. If -unfilled or -literal are
1465: * specified, text is printed exactly as entered in the display:
1466: * for macro lines, a newline is appended to the line. Blank
1467: * lines are allowed.
1468: */
1.166 schwarze 1469:
1470: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1471: DISP_unfilled != n->norm->Bd.type &&
1472: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1473: return 1;
1.1 kristaps 1474:
1.75 schwarze 1475: tabwidth = p->tabwidth;
1.123 schwarze 1476: if (DISP_literal == n->norm->Bd.type)
1477: p->tabwidth = term_len(p, 8);
1478:
1.174 schwarze 1479: lm = p->offset;
1.77 schwarze 1480: rm = p->rmargin;
1481: rmax = p->maxrmargin;
1482: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1483:
1.60 schwarze 1484: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1485: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1486: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1487: len = term_strlen(p, nn->string);
1488: p->offset = len >= rm ? 0 :
1489: lm + len >= rm ? rm - len :
1490: (lm + rm - len) / 2;
1491: } else
1492: p->offset = lm;
1493: }
1.147 schwarze 1494: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1495: /*
1496: * If the printed node flushes its own line, then we
1497: * needn't do it here as well. This is hacky, but the
1498: * notion of selective eoln whitespace is pretty dumb
1499: * anyway, so don't sweat it.
1500: */
1501: switch (nn->tok) {
1.166 schwarze 1502: case MDOC_Sm:
1503: case MDOC_br:
1504: case MDOC_sp:
1505: case MDOC_Bl:
1506: case MDOC_D1:
1507: case MDOC_Dl:
1508: case MDOC_Lp:
1509: case MDOC_Pp:
1.108 schwarze 1510: continue;
1511: default:
1512: break;
1513: }
1.198 schwarze 1514: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1515: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1516: continue;
1517: term_flushln(p);
1.48 schwarze 1518: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1519: }
1.88 schwarze 1520:
1.75 schwarze 1521: p->tabwidth = tabwidth;
1.77 schwarze 1522: p->rmargin = rm;
1523: p->maxrmargin = rmax;
1.227 schwarze 1524: return 0;
1.1 kristaps 1525: }
1526:
1527: static void
1528: termp_bd_post(DECL_ARGS)
1529: {
1.77 schwarze 1530: size_t rm, rmax;
1.1 kristaps 1531:
1.213 schwarze 1532: if (n->type != ROFFT_BODY)
1.1 kristaps 1533: return;
1.77 schwarze 1534:
1535: rm = p->rmargin;
1536: rmax = p->maxrmargin;
1537:
1.166 schwarze 1538: if (DISP_literal == n->norm->Bd.type ||
1539: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1540: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1541:
1.48 schwarze 1542: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1543: term_newln(p);
1.77 schwarze 1544:
1545: p->rmargin = rm;
1546: p->maxrmargin = rmax;
1.1 kristaps 1547: }
1548:
1549: static int
1.26 schwarze 1550: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1551: {
1.238 schwarze 1552: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1553: p->flags |= TERMP_PREKEEP;
1554: return 1;
1555: }
1.1 kristaps 1556:
1.238 schwarze 1557: static void
1558: termp_xx_post(DECL_ARGS)
1559: {
1560: if (n->aux == 0)
1561: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1562: }
1563:
1564: static void
1565: termp_pf_post(DECL_ARGS)
1566: {
1567:
1.237 schwarze 1568: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1569: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1570: }
1571:
1572: static int
1573: termp_ss_pre(DECL_ARGS)
1574: {
1.236 schwarze 1575: struct roff_node *nn;
1.1 kristaps 1576:
1.60 schwarze 1577: switch (n->type) {
1.213 schwarze 1578: case ROFFT_BLOCK:
1.1 kristaps 1579: term_newln(p);
1.236 schwarze 1580: for (nn = n->prev; nn != NULL; nn = nn->prev)
1581: if ((nn->flags & NODE_NOPRT) == 0)
1582: break;
1583: if (nn != NULL)
1.1 kristaps 1584: term_vspace(p);
1585: break;
1.213 schwarze 1586: case ROFFT_HEAD:
1.65 schwarze 1587: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1588: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1589: break;
1.213 schwarze 1590: case ROFFT_BODY:
1.176 schwarze 1591: p->offset = term_len(p, p->defindent);
1592: break;
1.1 kristaps 1593: default:
1594: break;
1595: }
1596:
1.227 schwarze 1597: return 1;
1.1 kristaps 1598: }
1599:
1600: static void
1601: termp_ss_post(DECL_ARGS)
1602: {
1603:
1.213 schwarze 1604: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1605: term_newln(p);
1606: }
1607:
1608: static int
1609: termp_cd_pre(DECL_ARGS)
1610: {
1611:
1.86 schwarze 1612: synopsis_pre(p, n);
1.65 schwarze 1613: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1614: return 1;
1.1 kristaps 1615: }
1616:
1617: static int
1618: termp_in_pre(DECL_ARGS)
1619: {
1620:
1.86 schwarze 1621: synopsis_pre(p, n);
1.85 schwarze 1622:
1.237 schwarze 1623: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1624: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1625: term_word(p, "#include");
1.85 schwarze 1626: term_word(p, "<");
1627: } else {
1628: term_word(p, "<");
1629: term_fontpush(p, TERMFONT_UNDER);
1630: }
1.23 schwarze 1631:
1.1 kristaps 1632: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1633: return 1;
1.1 kristaps 1634: }
1635:
1636: static void
1637: termp_in_post(DECL_ARGS)
1638: {
1639:
1.237 schwarze 1640: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1641: term_fontpush(p, TERMFONT_BOLD);
1642:
1.59 schwarze 1643: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1644: term_word(p, ">");
1645:
1.237 schwarze 1646: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1647: term_fontpop(p);
1.38 schwarze 1648: }
1649:
1650: static int
1651: termp_sp_pre(DECL_ARGS)
1652: {
1.199 schwarze 1653: struct roffsu su;
1.211 schwarze 1654: int i, len;
1.38 schwarze 1655:
1.60 schwarze 1656: switch (n->tok) {
1.166 schwarze 1657: case MDOC_sp:
1.199 schwarze 1658: if (n->child) {
1659: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1660: su.scale = 1.0;
1661: len = term_vspan(p, &su);
1662: } else
1663: len = 1;
1.54 schwarze 1664: break;
1.166 schwarze 1665: case MDOC_br:
1.54 schwarze 1666: len = 0;
1667: break;
1668: default:
1669: len = 1;
1.221 schwarze 1670: fn_prio = 0;
1.54 schwarze 1671: break;
1.38 schwarze 1672: }
1673:
1674: if (0 == len)
1675: term_newln(p);
1.211 schwarze 1676: else if (len < 0)
1677: p->skipvsp -= len;
1678: else
1679: for (i = 0; i < len; i++)
1680: term_vspace(p);
1.38 schwarze 1681:
1.227 schwarze 1682: return 0;
1.38 schwarze 1683: }
1684:
1685: static int
1.193 schwarze 1686: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1687: {
1688:
1.227 schwarze 1689: return 0;
1.170 schwarze 1690: }
1691:
1692: static int
1.107 schwarze 1693: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1694: {
1695:
1.213 schwarze 1696: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1697: return 1;
1.1 kristaps 1698:
1.107 schwarze 1699: switch (n->tok) {
1.166 schwarze 1700: case MDOC_Ao:
1701: case MDOC_Aq:
1.230 schwarze 1702: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1703: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1704: break;
1.166 schwarze 1705: case MDOC_Bro:
1706: case MDOC_Brq:
1.107 schwarze 1707: term_word(p, "{");
1708: break;
1.166 schwarze 1709: case MDOC_Oo:
1710: case MDOC_Op:
1711: case MDOC_Bo:
1712: case MDOC_Bq:
1.107 schwarze 1713: term_word(p, "[");
1714: break;
1.166 schwarze 1715: case MDOC_Do:
1716: case MDOC_Dq:
1.210 schwarze 1717: term_word(p, "\\(Lq");
1.107 schwarze 1718: break;
1.170 schwarze 1719: case MDOC_En:
1720: if (NULL == n->norm->Es ||
1721: NULL == n->norm->Es->child)
1.227 schwarze 1722: return 1;
1.170 schwarze 1723: term_word(p, n->norm->Es->child->string);
1724: break;
1.166 schwarze 1725: case MDOC_Po:
1726: case MDOC_Pq:
1.107 schwarze 1727: term_word(p, "(");
1728: break;
1.166 schwarze 1729: case MDOC__T:
1730: case MDOC_Qo:
1731: case MDOC_Qq:
1.107 schwarze 1732: term_word(p, "\"");
1733: break;
1.166 schwarze 1734: case MDOC_Ql:
1735: case MDOC_So:
1736: case MDOC_Sq:
1.151 schwarze 1737: term_word(p, "\\(oq");
1.107 schwarze 1738: break;
1739: default:
1740: abort();
1741: }
1.1 kristaps 1742:
1743: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1744: return 1;
1.1 kristaps 1745: }
1746:
1747: static void
1.107 schwarze 1748: termp_quote_post(DECL_ARGS)
1.1 kristaps 1749: {
1750:
1.213 schwarze 1751: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1752: return;
1753:
1.205 schwarze 1754: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1755:
1.107 schwarze 1756: switch (n->tok) {
1.166 schwarze 1757: case MDOC_Ao:
1758: case MDOC_Aq:
1.230 schwarze 1759: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1760: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1761: break;
1.166 schwarze 1762: case MDOC_Bro:
1763: case MDOC_Brq:
1.107 schwarze 1764: term_word(p, "}");
1765: break;
1.166 schwarze 1766: case MDOC_Oo:
1767: case MDOC_Op:
1768: case MDOC_Bo:
1769: case MDOC_Bq:
1.107 schwarze 1770: term_word(p, "]");
1771: break;
1.166 schwarze 1772: case MDOC_Do:
1773: case MDOC_Dq:
1.210 schwarze 1774: term_word(p, "\\(Rq");
1.170 schwarze 1775: break;
1776: case MDOC_En:
1.205 schwarze 1777: if (n->norm->Es == NULL ||
1778: n->norm->Es->child == NULL ||
1779: n->norm->Es->child->next == NULL)
1780: p->flags &= ~TERMP_NOSPACE;
1781: else
1.170 schwarze 1782: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1783: break;
1.166 schwarze 1784: case MDOC_Po:
1785: case MDOC_Pq:
1.107 schwarze 1786: term_word(p, ")");
1787: break;
1.166 schwarze 1788: case MDOC__T:
1789: case MDOC_Qo:
1790: case MDOC_Qq:
1.107 schwarze 1791: term_word(p, "\"");
1792: break;
1.166 schwarze 1793: case MDOC_Ql:
1794: case MDOC_So:
1795: case MDOC_Sq:
1.151 schwarze 1796: term_word(p, "\\(cq");
1.107 schwarze 1797: break;
1798: default:
1799: abort();
1800: }
1.205 schwarze 1801: }
1802:
1803: static int
1804: termp_eo_pre(DECL_ARGS)
1805: {
1806:
1.213 schwarze 1807: if (n->type != ROFFT_BODY)
1.227 schwarze 1808: return 1;
1.205 schwarze 1809:
1810: if (n->end == ENDBODY_NOT &&
1811: n->parent->head->child == NULL &&
1812: n->child != NULL &&
1813: n->child->end != ENDBODY_NOT)
1814: term_word(p, "\\&");
1815: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1816: n->parent->head->child != NULL && (n->child != NULL ||
1817: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1818: p->flags |= TERMP_NOSPACE;
1819:
1.227 schwarze 1820: return 1;
1.205 schwarze 1821: }
1822:
1823: static void
1824: termp_eo_post(DECL_ARGS)
1825: {
1826: int body, tail;
1827:
1.213 schwarze 1828: if (n->type != ROFFT_BODY)
1.205 schwarze 1829: return;
1830:
1831: if (n->end != ENDBODY_NOT) {
1832: p->flags &= ~TERMP_NOSPACE;
1833: return;
1834: }
1835:
1836: body = n->child != NULL || n->parent->head->child != NULL;
1837: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1838:
1839: if (body && tail)
1840: p->flags |= TERMP_NOSPACE;
1841: else if ( ! (body || tail))
1842: term_word(p, "\\&");
1843: else if ( ! tail)
1844: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1845: }
1846:
1847: static int
1848: termp_fo_pre(DECL_ARGS)
1849: {
1.159 schwarze 1850: size_t rmargin = 0;
1.158 schwarze 1851: int pretty;
1852:
1.237 schwarze 1853: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1854:
1.213 schwarze 1855: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1856: synopsis_pre(p, n);
1.227 schwarze 1857: return 1;
1.213 schwarze 1858: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1859: if (pretty) {
1860: rmargin = p->rmargin;
1.159 schwarze 1861: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1862: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1863: TERMP_HANG;
1.158 schwarze 1864: }
1.31 schwarze 1865: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1866: term_word(p, "(");
1.132 schwarze 1867: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1868: if (pretty) {
1869: term_flushln(p);
1.165 schwarze 1870: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1871: TERMP_HANG);
1.158 schwarze 1872: p->offset = p->rmargin;
1873: p->rmargin = rmargin;
1874: }
1.227 schwarze 1875: return 1;
1.158 schwarze 1876: }
1.85 schwarze 1877:
1.95 schwarze 1878: if (NULL == n->child)
1.227 schwarze 1879: return 0;
1.95 schwarze 1880:
1.85 schwarze 1881: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1882:
1.85 schwarze 1883: assert(n->child->string);
1.65 schwarze 1884: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1885: term_word(p, n->child->string);
1.227 schwarze 1886: return 0;
1.1 kristaps 1887: }
1888:
1889: static void
1890: termp_fo_post(DECL_ARGS)
1891: {
1892:
1.213 schwarze 1893: if (n->type != ROFFT_BODY)
1.86 schwarze 1894: return;
1895:
1.132 schwarze 1896: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1897: term_word(p, ")");
1898:
1.237 schwarze 1899: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1900: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1901: term_word(p, ";");
1.158 schwarze 1902: term_flushln(p);
1.132 schwarze 1903: }
1.1 kristaps 1904: }
1905:
1906: static int
1907: termp_bf_pre(DECL_ARGS)
1908: {
1909:
1.213 schwarze 1910: if (n->type == ROFFT_HEAD)
1.227 schwarze 1911: return 0;
1.213 schwarze 1912: else if (n->type != ROFFT_BODY)
1.227 schwarze 1913: return 1;
1.1 kristaps 1914:
1.166 schwarze 1915: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1916: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1917: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1918: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1919: else
1.65 schwarze 1920: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1921:
1.227 schwarze 1922: return 1;
1.1 kristaps 1923: }
1924:
1925: static int
1926: termp_sm_pre(DECL_ARGS)
1927: {
1928:
1.171 schwarze 1929: if (NULL == n->child)
1930: p->flags ^= TERMP_NONOSPACE;
1931: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1932: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1933: else
1.1 kristaps 1934: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1935:
1936: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1937: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1938:
1.227 schwarze 1939: return 0;
1.1 kristaps 1940: }
1941:
1942: static int
1943: termp_ap_pre(DECL_ARGS)
1944: {
1945:
1946: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1947: term_word(p, "'");
1.1 kristaps 1948: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1949: return 1;
1.1 kristaps 1950: }
1951:
1952: static void
1953: termp____post(DECL_ARGS)
1954: {
1.104 schwarze 1955:
1956: /*
1957: * Handle lists of authors. In general, print each followed by
1958: * a comma. Don't print the comma if there are only two
1959: * authors.
1960: */
1961: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1962: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1963: if (NULL == n->prev || MDOC__A != n->prev->tok)
1964: return;
1.1 kristaps 1965:
1.62 schwarze 1966: /* TODO: %U. */
1967:
1.106 schwarze 1968: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1969: return;
1970:
1.132 schwarze 1971: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1972: if (NULL == n->next) {
1973: term_word(p, ".");
1974: p->flags |= TERMP_SENTENCE;
1975: } else
1976: term_word(p, ",");
1.1 kristaps 1977: }
1978:
1979: static int
1.65 schwarze 1980: termp_li_pre(DECL_ARGS)
1981: {
1982:
1.234 schwarze 1983: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1984: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1985: return 1;
1.65 schwarze 1986: }
1987:
1988: static int
1.1 kristaps 1989: termp_lk_pre(DECL_ARGS)
1990: {
1.214 schwarze 1991: const struct roff_node *link, *descr;
1.1 kristaps 1992:
1.142 schwarze 1993: if (NULL == (link = n->child))
1.227 schwarze 1994: return 0;
1.101 schwarze 1995:
1.142 schwarze 1996: if (NULL != (descr = link->next)) {
1997: term_fontpush(p, TERMFONT_UNDER);
1998: while (NULL != descr) {
1999: term_word(p, descr->string);
2000: descr = descr->next;
2001: }
2002: p->flags |= TERMP_NOSPACE;
2003: term_word(p, ":");
2004: term_fontpop(p);
2005: }
1.1 kristaps 2006:
1.65 schwarze 2007: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2008: term_word(p, link->string);
1.65 schwarze 2009: term_fontpop(p);
1.6 schwarze 2010:
1.227 schwarze 2011: return 0;
1.1 kristaps 2012: }
2013:
1.90 schwarze 2014: static int
2015: termp_bk_pre(DECL_ARGS)
2016: {
2017:
1.91 schwarze 2018: switch (n->type) {
1.213 schwarze 2019: case ROFFT_BLOCK:
1.95 schwarze 2020: break;
1.213 schwarze 2021: case ROFFT_HEAD:
1.227 schwarze 2022: return 0;
1.213 schwarze 2023: case ROFFT_BODY:
1.230 schwarze 2024: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2025: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2026: break;
1.91 schwarze 2027: default:
2028: abort();
2029: }
1.95 schwarze 2030:
1.227 schwarze 2031: return 1;
1.90 schwarze 2032: }
2033:
2034: static void
2035: termp_bk_post(DECL_ARGS)
2036: {
2037:
1.213 schwarze 2038: if (n->type == ROFFT_BODY)
1.91 schwarze 2039: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2040: }
1.120 schwarze 2041:
2042: static void
2043: termp__t_post(DECL_ARGS)
2044: {
2045:
2046: /*
2047: * If we're in an `Rs' and there's a journal present, then quote
2048: * us instead of underlining us (for disambiguation).
2049: */
1.121 schwarze 2050: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2051: n->parent->norm->Rs.quote_T)
1.147 schwarze 2052: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2053:
1.147 schwarze 2054: termp____post(p, pair, meta, n);
1.120 schwarze 2055: }
2056:
2057: static int
2058: termp__t_pre(DECL_ARGS)
2059: {
2060:
2061: /*
2062: * If we're in an `Rs' and there's a journal present, then quote
2063: * us instead of underlining us (for disambiguation).
2064: */
1.121 schwarze 2065: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2066: n->parent->norm->Rs.quote_T)
1.227 schwarze 2067: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2068:
2069: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2070: return 1;
1.121 schwarze 2071: }
1.1 kristaps 2072:
2073: static int
1.54 schwarze 2074: termp_under_pre(DECL_ARGS)
1.1 kristaps 2075: {
2076:
1.65 schwarze 2077: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2078: return 1;
2079: }
2080:
2081: static int
2082: termp_em_pre(DECL_ARGS)
2083: {
2084: if (n->child != NULL &&
2085: n->child->type == ROFFT_TEXT)
2086: tag_put(n->child->string, 0, p->line);
2087: term_fontpush(p, TERMFONT_UNDER);
2088: return 1;
2089: }
2090:
2091: static int
2092: termp_sy_pre(DECL_ARGS)
2093: {
2094: if (n->child != NULL &&
2095: n->child->type == ROFFT_TEXT)
2096: tag_put(n->child->string, 0, p->line);
2097: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2098: return 1;
1.222 schwarze 2099: }
2100:
2101: static int
2102: termp_er_pre(DECL_ARGS)
2103: {
2104:
2105: if (n->sec == SEC_ERRORS &&
2106: (n->parent->tok == MDOC_It ||
2107: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2108: n->parent->parent->parent->tok == MDOC_It)))
2109: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2110: return 1;
1.219 schwarze 2111: }
2112:
2113: static int
2114: termp_tag_pre(DECL_ARGS)
2115: {
2116:
2117: if (n->child != NULL &&
2118: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2119: (n->prev == NULL ||
2120: (n->prev->type == ROFFT_TEXT &&
2121: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2122: (n->parent->tok == MDOC_It ||
2123: (n->parent->tok == MDOC_Xo &&
2124: n->parent->parent->prev == NULL &&
1.223 schwarze 2125: n->parent->parent->parent->tok == MDOC_It)))
2126: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2127: return 1;
1.1 kristaps 2128: }
![[BACK]](/icons/back.gif){kind=icon}
Return to mdoc_term.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / src / usr.bin / mandoc