Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.240
1.240 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.239 2017/01/10 23:36:24 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;
259:
260: p = (struct termp *)arg;
1.71 schwarze 261: p->overstep = 0;
1.180 schwarze 262: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 263: p->tabwidth = term_len(p, 5);
1.55 schwarze 264:
1.218 schwarze 265: n = mdoc->first->child;
1.180 schwarze 266: if (p->synopsisonly) {
267: while (n != NULL) {
268: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
269: if (n->child->next->child != NULL)
270: print_mdoc_nodelist(p, NULL,
1.218 schwarze 271: &mdoc->meta,
272: n->child->next->child);
1.180 schwarze 273: term_newln(p);
274: break;
275: }
276: n = n->next;
277: }
278: } else {
279: if (p->defindent == 0)
280: p->defindent = 5;
1.218 schwarze 281: term_begin(p, print_mdoc_head, print_mdoc_foot,
282: &mdoc->meta);
1.236 schwarze 283: while (n != NULL && n->flags & NODE_NOPRT)
284: n = n->next;
1.180 schwarze 285: if (n != NULL) {
286: if (n->tok != MDOC_Sh)
287: term_vspace(p);
1.218 schwarze 288: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 289: }
290: term_end(p);
1.173 schwarze 291: }
1.1 kristaps 292: }
293:
294: static void
1.65 schwarze 295: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 296: {
297:
1.203 schwarze 298: while (n != NULL) {
299: print_mdoc_node(p, pair, meta, n);
300: n = n->next;
301: }
1.1 kristaps 302: }
303:
304: static void
1.65 schwarze 305: print_mdoc_node(DECL_ARGS)
1.1 kristaps 306: {
1.65 schwarze 307: int chld;
1.1 kristaps 308: struct termpair npair;
1.28 schwarze 309: size_t offset, rmargin;
1.1 kristaps 310:
1.236 schwarze 311: if (n->flags & NODE_NOPRT)
312: return;
313:
1.54 schwarze 314: chld = 1;
1.28 schwarze 315: offset = p->offset;
316: rmargin = p->rmargin;
1.237 schwarze 317: n->flags &= ~NODE_ENDED;
1.204 schwarze 318: n->prev_font = p->fonti;
1.1 kristaps 319:
1.63 schwarze 320: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 321: npair.ppair = pair;
1.65 schwarze 322:
1.95 schwarze 323: /*
324: * Keeps only work until the end of a line. If a keep was
325: * invoked in a prior line, revert it to PREKEEP.
326: */
327:
1.237 schwarze 328: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 329: p->flags &= ~TERMP_KEEP;
330: p->flags |= TERMP_PREKEEP;
1.95 schwarze 331: }
1.116 schwarze 332:
333: /*
1.128 schwarze 334: * After the keep flags have been set up, we may now
335: * produce output. Note that some pre-handlers do so.
336: */
337:
338: switch (n->type) {
1.213 schwarze 339: case ROFFT_TEXT:
1.237 schwarze 340: if (' ' == *n->string && NODE_LINE & n->flags)
1.128 schwarze 341: term_newln(p);
1.237 schwarze 342: if (NODE_DELIMC & n->flags)
1.132 schwarze 343: p->flags |= TERMP_NOSPACE;
1.128 schwarze 344: term_word(p, n->string);
1.237 schwarze 345: if (NODE_DELIMO & n->flags)
1.132 schwarze 346: p->flags |= TERMP_NOSPACE;
1.128 schwarze 347: break;
1.213 schwarze 348: case ROFFT_EQN:
1.237 schwarze 349: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 350: p->flags |= TERMP_NOSPACE;
1.135 schwarze 351: term_eqn(p, n->eqn);
1.237 schwarze 352: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 353: p->flags |= TERMP_NOSPACE;
1.131 schwarze 354: break;
1.213 schwarze 355: case ROFFT_TBL:
1.212 schwarze 356: if (p->tbl.cols == NULL)
357: term_newln(p);
1.128 schwarze 358: term_tbl(p, n->span);
359: break;
360: default:
1.194 schwarze 361: if (termacts[n->tok].pre &&
1.230 schwarze 362: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 363: chld = (*termacts[n->tok].pre)
1.147 schwarze 364: (p, &npair, meta, n);
1.128 schwarze 365: break;
366: }
1.95 schwarze 367:
1.60 schwarze 368: if (chld && n->child)
1.147 schwarze 369: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 370:
1.146 schwarze 371: term_fontpopq(p,
1.209 schwarze 372: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 373:
1.122 schwarze 374: switch (n->type) {
1.213 schwarze 375: case ROFFT_TEXT:
1.122 schwarze 376: break;
1.213 schwarze 377: case ROFFT_TBL:
1.131 schwarze 378: break;
1.213 schwarze 379: case ROFFT_EQN:
1.122 schwarze 380: break;
381: default:
1.237 schwarze 382: if ( ! termacts[n->tok].post || NODE_ENDED & n->flags)
1.122 schwarze 383: break;
1.147 schwarze 384: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 385:
386: /*
387: * Explicit end tokens not only call the post
388: * handler, but also tell the respective block
389: * that it must not call the post handler again.
390: */
1.95 schwarze 391: if (ENDBODY_NOT != n->end)
1.237 schwarze 392: n->body->flags |= NODE_ENDED;
1.93 schwarze 393:
394: /*
395: * End of line terminating an implicit block
396: * while an explicit block is still open.
397: * Continue the explicit block without spacing.
398: */
399: if (ENDBODY_NOSPACE == n->end)
400: p->flags |= TERMP_NOSPACE;
1.122 schwarze 401: break;
1.93 schwarze 402: }
1.28 schwarze 403:
1.237 schwarze 404: if (NODE_EOS & n->flags)
1.78 schwarze 405: p->flags |= TERMP_SENTENCE;
406:
1.162 schwarze 407: if (MDOC_ll != n->tok) {
408: p->offset = offset;
409: p->rmargin = rmargin;
410: }
1.1 kristaps 411: }
412:
413: static void
1.215 schwarze 414: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 415: {
1.191 schwarze 416: size_t sz;
1.87 schwarze 417:
1.65 schwarze 418: term_fontrepl(p, TERMFONT_NONE);
419:
1.166 schwarze 420: /*
1.7 schwarze 421: * Output the footer in new-groff style, that is, three columns
422: * with the middle being the manual date and flanking columns
423: * being the operating system:
424: *
425: * SYSTEM DATE SYSTEM
426: */
427:
1.1 kristaps 428: term_vspace(p);
429:
1.7 schwarze 430: p->offset = 0;
1.191 schwarze 431: sz = term_strlen(p, meta->date);
432: p->rmargin = p->maxrmargin > sz ?
433: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 434: p->trailspace = 1;
1.1 kristaps 435: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
436:
1.147 schwarze 437: term_word(p, meta->os);
1.1 kristaps 438: term_flushln(p);
439:
1.7 schwarze 440: p->offset = p->rmargin;
1.191 schwarze 441: sz = term_strlen(p, meta->os);
442: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 443: p->flags |= TERMP_NOSPACE;
1.7 schwarze 444:
1.147 schwarze 445: term_word(p, meta->date);
1.7 schwarze 446: term_flushln(p);
447:
1.1 kristaps 448: p->offset = p->rmargin;
449: p->rmargin = p->maxrmargin;
1.152 schwarze 450: p->trailspace = 0;
1.1 kristaps 451: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 452: p->flags |= TERMP_NOSPACE;
1.1 kristaps 453:
1.147 schwarze 454: term_word(p, meta->os);
1.1 kristaps 455: term_flushln(p);
1.7 schwarze 456:
457: p->offset = 0;
458: p->rmargin = p->maxrmargin;
459: p->flags = 0;
1.1 kristaps 460: }
461:
462: static void
1.215 schwarze 463: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 464: {
1.169 schwarze 465: char *volume, *title;
466: size_t vollen, titlen;
1.1 kristaps 467:
468: /*
469: * The header is strange. It has three components, which are
470: * really two with the first duplicated. It goes like this:
471: *
472: * IDENTIFIER TITLE IDENTIFIER
473: *
474: * The IDENTIFIER is NAME(SECTION), which is the command-name
475: * (if given, or "unknown" if not) followed by the manual page
476: * section. These are given in `Dt'. The TITLE is a free-form
477: * string depending on the manual volume. If not specified, it
478: * switches on the manual section.
479: */
1.137 schwarze 480:
1.147 schwarze 481: assert(meta->vol);
1.169 schwarze 482: if (NULL == meta->arch)
483: volume = mandoc_strdup(meta->vol);
484: else
485: mandoc_asprintf(&volume, "%s (%s)",
486: meta->vol, meta->arch);
487: vollen = term_strlen(p, volume);
1.1 kristaps 488:
1.177 schwarze 489: if (NULL == meta->msec)
490: title = mandoc_strdup(meta->title);
491: else
492: mandoc_asprintf(&title, "%s(%s)",
493: meta->title, meta->msec);
1.137 schwarze 494: titlen = term_strlen(p, title);
1.1 kristaps 495:
1.137 schwarze 496: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 497: p->trailspace = 1;
1.1 kristaps 498: p->offset = 0;
1.169 schwarze 499: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
500: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 501: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 502:
503: term_word(p, title);
504: term_flushln(p);
505:
1.137 schwarze 506: p->flags |= TERMP_NOSPACE;
1.1 kristaps 507: p->offset = p->rmargin;
1.169 schwarze 508: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 509: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 510:
1.169 schwarze 511: term_word(p, volume);
1.1 kristaps 512: term_flushln(p);
513:
514: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 515: p->trailspace = 0;
1.137 schwarze 516: if (p->rmargin + titlen <= p->maxrmargin) {
517: p->flags |= TERMP_NOSPACE;
518: p->offset = p->rmargin;
519: p->rmargin = p->maxrmargin;
520: term_word(p, title);
521: term_flushln(p);
522: }
1.1 kristaps 523:
1.137 schwarze 524: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 525: p->offset = 0;
1.1 kristaps 526: p->rmargin = p->maxrmargin;
1.168 schwarze 527: free(title);
1.169 schwarze 528: free(volume);
1.1 kristaps 529: }
530:
1.201 schwarze 531: static int
1.89 schwarze 532: a2width(const struct termp *p, const char *v)
1.61 schwarze 533: {
534: struct roffsu su;
1.1 kristaps 535:
1.199 schwarze 536: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 537: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 538: su.scale /= term_strlen(p, "0");
1.201 schwarze 539: }
1.227 schwarze 540: return term_hspan(p, &su) / 24;
1.1 kristaps 541: }
542:
1.68 schwarze 543: /*
544: * Determine how much space to print out before block elements of `It'
545: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
546: * too.
547: */
1.45 schwarze 548: static void
1.166 schwarze 549: print_bvspace(struct termp *p,
1.214 schwarze 550: const struct roff_node *bl,
551: const struct roff_node *n)
1.1 kristaps 552: {
1.214 schwarze 553: const struct roff_node *nn;
1.138 schwarze 554:
555: assert(n);
1.1 kristaps 556:
557: term_newln(p);
1.88 schwarze 558:
1.121 schwarze 559: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 560: return;
1.121 schwarze 561: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 562: return;
563:
1.60 schwarze 564: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 565:
1.188 schwarze 566: nn = n;
1.236 schwarze 567: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
568: nn = nn->prev;
1.188 schwarze 569: while (nn->prev == NULL) {
570: do {
571: nn = nn->parent;
1.213 schwarze 572: if (nn->type == ROFFT_ROOT)
1.188 schwarze 573: return;
1.213 schwarze 574: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 575: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 576: return;
1.188 schwarze 577: if (nn->tok == MDOC_It &&
578: nn->parent->parent->norm->Bl.type != LIST_item)
579: break;
1.1 kristaps 580: }
581:
1.60 schwarze 582: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 583:
1.121 schwarze 584: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 585: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 586: return;
587:
1.60 schwarze 588: /* A `-diag' without body does not vspace. */
589:
1.121 schwarze 590: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 591: if (n->prev && MDOC_It == n->prev->tok) {
592: assert(n->prev->body);
593: if (NULL == n->prev->body->child)
1.45 schwarze 594: return;
595: }
596:
597: term_vspace(p);
1.162 schwarze 598: }
599:
600:
601: static int
602: termp_ll_pre(DECL_ARGS)
603: {
604:
1.230 schwarze 605: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 schwarze 606: return 0;
1.1 kristaps 607: }
608:
609: static int
610: termp_it_pre(DECL_ARGS)
611: {
1.201 schwarze 612: char buf[24];
1.214 schwarze 613: const struct roff_node *bl, *nn;
1.201 schwarze 614: size_t ncols, dcol;
615: int i, offset, width;
1.82 schwarze 616: enum mdoc_list type;
1.1 kristaps 617:
1.213 schwarze 618: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 619: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 620: return 1;
1.45 schwarze 621: }
1.1 kristaps 622:
1.60 schwarze 623: bl = n->parent->parent->parent;
1.121 schwarze 624: type = bl->norm->Bl.type;
1.1 kristaps 625:
1.166 schwarze 626: /*
1.201 schwarze 627: * Defaults for specific list types.
628: */
629:
630: switch (type) {
631: case LIST_bullet:
632: case LIST_dash:
633: case LIST_hyphen:
634: case LIST_enum:
635: width = term_len(p, 2);
636: break;
637: case LIST_hang:
1.231 schwarze 638: case LIST_tag:
1.201 schwarze 639: width = term_len(p, 8);
640: break;
641: case LIST_column:
642: width = term_len(p, 10);
643: break;
644: default:
645: width = 0;
646: break;
647: }
648: offset = 0;
649:
650: /*
1.68 schwarze 651: * First calculate width and offset. This is pretty easy unless
652: * we're a -column list, in which case all prior columns must
653: * be accounted for.
654: */
655:
1.201 schwarze 656: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 657: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 658: if (offset < 0 && (size_t)(-offset) > p->offset)
659: offset = -p->offset;
660: else if (offset > SHRT_MAX)
661: offset = 0;
662: }
1.66 schwarze 663:
1.1 kristaps 664: switch (type) {
1.166 schwarze 665: case LIST_column:
1.213 schwarze 666: if (n->type == ROFFT_HEAD)
1.1 kristaps 667: break;
1.88 schwarze 668:
1.66 schwarze 669: /*
1.68 schwarze 670: * Imitate groff's column handling:
671: * - For each earlier column, add its width.
672: * - For less than 5 columns, add four more blanks per
673: * column.
674: * - For exactly 5 columns, add three more blank per
675: * column.
676: * - For more than 5 columns, add only one column.
1.66 schwarze 677: */
1.121 schwarze 678: ncols = bl->norm->Bl.ncols;
1.166 schwarze 679: dcol = ncols < 5 ? term_len(p, 4) :
680: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 681:
1.85 schwarze 682: /*
1.213 schwarze 683: * Calculate the offset by applying all prior ROFFT_BODY,
684: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 685: */
686:
1.166 schwarze 687: for (i = 0, nn = n->prev;
688: nn->prev && i < (int)ncols;
689: nn = nn->prev, i++)
690: offset += dcol + a2width(p,
691: bl->norm->Bl.cols[i]);
1.66 schwarze 692:
693: /*
1.68 schwarze 694: * When exceeding the declared number of columns, leave
695: * the remaining widths at 0. This will later be
696: * adjusted to the default width of 10, or, for the last
697: * column, stretched to the right margin.
1.46 schwarze 698: */
1.68 schwarze 699: if (i >= (int)ncols)
700: break;
1.46 schwarze 701:
1.66 schwarze 702: /*
1.68 schwarze 703: * Use the declared column widths, extended as explained
704: * in the preceding paragraph.
1.66 schwarze 705: */
1.121 schwarze 706: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 707: break;
708: default:
1.121 schwarze 709: if (NULL == bl->norm->Bl.width)
1.68 schwarze 710: break;
711:
1.166 schwarze 712: /*
1.68 schwarze 713: * Note: buffer the width by 2, which is groff's magic
714: * number for buffering single arguments. See the above
715: * handling for column for how this changes.
716: */
1.121 schwarze 717: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 718: if (width < 0 && (size_t)(-width) > p->offset)
719: width = -p->offset;
720: else if (width > SHRT_MAX)
721: width = 0;
1.1 kristaps 722: break;
723: }
724:
1.166 schwarze 725: /*
1.16 schwarze 726: * Whitespace control. Inset bodies need an initial space,
727: * while diagonal bodies need two.
1.1 kristaps 728: */
729:
1.42 schwarze 730: p->flags |= TERMP_NOSPACE;
731:
1.1 kristaps 732: switch (type) {
1.166 schwarze 733: case LIST_diag:
1.213 schwarze 734: if (n->type == ROFFT_BODY)
1.48 schwarze 735: term_word(p, "\\ \\ ");
1.42 schwarze 736: break;
1.166 schwarze 737: case LIST_inset:
1.230 schwarze 738: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 739: term_word(p, "\\ ");
1.1 kristaps 740: break;
741: default:
742: break;
743: }
744:
1.42 schwarze 745: p->flags |= TERMP_NOSPACE;
746:
1.1 kristaps 747: switch (type) {
1.166 schwarze 748: case LIST_diag:
1.213 schwarze 749: if (n->type == ROFFT_HEAD)
1.65 schwarze 750: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 751: break;
752: default:
753: break;
754: }
755:
756: /*
1.68 schwarze 757: * Pad and break control. This is the tricky part. These flags
758: * are documented in term_flushln() in term.c. Note that we're
759: * going to unset all of these flags in termp_it_post() when we
760: * exit.
1.1 kristaps 761: */
762:
763: switch (type) {
1.166 schwarze 764: case LIST_enum:
1.228 schwarze 765: case LIST_bullet:
766: case LIST_dash:
767: case LIST_hyphen:
1.144 schwarze 768: /*
769: * Weird special case.
1.201 schwarze 770: * Some very narrow lists actually hang.
1.144 schwarze 771: */
1.201 schwarze 772: if (width <= (int)term_len(p, 2))
773: p->flags |= TERMP_HANG;
1.213 schwarze 774: if (n->type != ROFFT_HEAD)
1.152 schwarze 775: break;
776: p->flags |= TERMP_NOBREAK;
777: p->trailspace = 1;
1.33 schwarze 778: break;
1.166 schwarze 779: case LIST_hang:
1.213 schwarze 780: if (n->type != ROFFT_HEAD)
1.47 schwarze 781: break;
782:
783: /*
784: * This is ugly. If `-hang' is specified and the body
785: * is a `Bl' or `Bd', then we want basically to nullify
786: * the "overstep" effect in term_flushln() and treat
787: * this as a `-ohang' list instead.
788: */
1.178 schwarze 789: if (NULL != n->next &&
790: NULL != n->next->child &&
1.166 schwarze 791: (MDOC_Bl == n->next->child->tok ||
792: MDOC_Bd == n->next->child->tok))
1.152 schwarze 793: break;
794:
1.165 schwarze 795: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 796: p->trailspace = 1;
1.33 schwarze 797: break;
1.166 schwarze 798: case LIST_tag:
1.213 schwarze 799: if (n->type != ROFFT_HEAD)
1.33 schwarze 800: break;
1.152 schwarze 801:
1.225 schwarze 802: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 803: p->trailspace = 2;
804:
1.60 schwarze 805: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 806: p->flags |= TERMP_DANGLE;
1.1 kristaps 807: break;
1.166 schwarze 808: case LIST_column:
1.213 schwarze 809: if (n->type == ROFFT_HEAD)
1.85 schwarze 810: break;
811:
1.152 schwarze 812: if (NULL == n->next) {
1.85 schwarze 813: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 814: p->trailspace = 0;
815: } else {
1.85 schwarze 816: p->flags |= TERMP_NOBREAK;
1.152 schwarze 817: p->trailspace = 1;
818: }
1.85 schwarze 819:
1.1 kristaps 820: break;
1.166 schwarze 821: case LIST_diag:
1.213 schwarze 822: if (n->type != ROFFT_HEAD)
1.152 schwarze 823: break;
1.165 schwarze 824: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 825: p->trailspace = 1;
1.1 kristaps 826: break;
827: default:
828: break;
829: }
830:
1.166 schwarze 831: /*
1.1 kristaps 832: * Margin control. Set-head-width lists have their right
833: * margins shortened. The body for these lists has the offset
834: * necessarily lengthened. Everybody gets the offset.
835: */
836:
837: p->offset += offset;
838:
839: switch (type) {
1.166 schwarze 840: case LIST_hang:
1.47 schwarze 841: /*
842: * Same stipulation as above, regarding `-hang'. We
843: * don't want to recalculate rmargin and offsets when
844: * using `Bd' or `Bl' within `-hang' overstep lists.
845: */
1.213 schwarze 846: if (n->type == ROFFT_HEAD &&
1.178 schwarze 847: NULL != n->next &&
848: NULL != n->next->child &&
1.166 schwarze 849: (MDOC_Bl == n->next->child->tok ||
850: MDOC_Bd == n->next->child->tok))
1.47 schwarze 851: break;
852: /* FALLTHROUGH */
1.166 schwarze 853: case LIST_bullet:
854: case LIST_dash:
855: case LIST_enum:
856: case LIST_hyphen:
857: case LIST_tag:
1.213 schwarze 858: if (n->type == ROFFT_HEAD)
1.1 kristaps 859: p->rmargin = p->offset + width;
1.191 schwarze 860: else
1.1 kristaps 861: p->offset += width;
862: break;
1.166 schwarze 863: case LIST_column:
1.41 schwarze 864: assert(width);
1.1 kristaps 865: p->rmargin = p->offset + width;
1.166 schwarze 866: /*
1.43 schwarze 867: * XXX - this behaviour is not documented: the
868: * right-most column is filled to the right margin.
869: */
1.213 schwarze 870: if (n->type == ROFFT_HEAD)
1.85 schwarze 871: break;
872: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 873: p->rmargin = p->maxrmargin;
1.1 kristaps 874: break;
875: default:
876: break;
877: }
878:
1.166 schwarze 879: /*
1.1 kristaps 880: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 881: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 882: */
883:
1.213 schwarze 884: if (n->type == ROFFT_HEAD)
1.1 kristaps 885: switch (type) {
1.166 schwarze 886: case LIST_bullet:
1.65 schwarze 887: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 888: term_word(p, "\\[bu]");
1.65 schwarze 889: term_fontpop(p);
1.1 kristaps 890: break;
1.166 schwarze 891: case LIST_dash:
892: case LIST_hyphen:
1.65 schwarze 893: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 894: term_word(p, "-");
1.65 schwarze 895: term_fontpop(p);
1.1 kristaps 896: break;
1.166 schwarze 897: case LIST_enum:
1.1 kristaps 898: (pair->ppair->ppair->count)++;
1.167 schwarze 899: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 900: pair->ppair->ppair->count);
1.1 kristaps 901: term_word(p, buf);
902: break;
903: default:
904: break;
905: }
1.12 schwarze 906:
1.166 schwarze 907: /*
1.1 kristaps 908: * If we're not going to process our children, indicate so here.
909: */
910:
911: switch (type) {
1.166 schwarze 912: case LIST_bullet:
913: case LIST_item:
914: case LIST_dash:
915: case LIST_hyphen:
916: case LIST_enum:
1.213 schwarze 917: if (n->type == ROFFT_HEAD)
1.227 schwarze 918: return 0;
1.1 kristaps 919: break;
1.166 schwarze 920: case LIST_column:
1.213 schwarze 921: if (n->type == ROFFT_HEAD)
1.227 schwarze 922: return 0;
1.1 kristaps 923: break;
924: default:
925: break;
926: }
927:
1.227 schwarze 928: return 1;
1.1 kristaps 929: }
930:
931: static void
932: termp_it_post(DECL_ARGS)
933: {
1.82 schwarze 934: enum mdoc_list type;
1.1 kristaps 935:
1.213 schwarze 936: if (n->type == ROFFT_BLOCK)
1.1 kristaps 937: return;
938:
1.121 schwarze 939: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 940:
941: switch (type) {
1.166 schwarze 942: case LIST_item:
943: case LIST_diag:
944: case LIST_inset:
1.213 schwarze 945: if (n->type == ROFFT_BODY)
1.74 schwarze 946: term_newln(p);
1.1 kristaps 947: break;
1.166 schwarze 948: case LIST_column:
1.213 schwarze 949: if (n->type == ROFFT_BODY)
1.1 kristaps 950: term_flushln(p);
951: break;
952: default:
1.74 schwarze 953: term_newln(p);
1.1 kristaps 954: break;
955: }
956:
1.166 schwarze 957: /*
1.68 schwarze 958: * Now that our output is flushed, we can reset our tags. Since
959: * only `It' sets these flags, we're free to assume that nobody
960: * has munged them in the meanwhile.
961: */
962:
1.225 schwarze 963: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 964: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 965: p->trailspace = 0;
1.1 kristaps 966: }
967:
968: static int
969: termp_nm_pre(DECL_ARGS)
970: {
1.195 schwarze 971: const char *cp;
1.1 kristaps 972:
1.213 schwarze 973: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 974: p->flags |= TERMP_PREKEEP;
1.227 schwarze 975: return 1;
1.155 schwarze 976: }
1.94 schwarze 977:
1.213 schwarze 978: if (n->type == ROFFT_BODY) {
1.94 schwarze 979: if (NULL == n->child)
1.227 schwarze 980: return 0;
1.136 schwarze 981: p->flags |= TERMP_NOSPACE;
1.195 schwarze 982: cp = NULL;
983: if (n->prev->child != NULL)
984: cp = n->prev->child->string;
985: if (cp == NULL)
986: cp = meta->name;
987: if (cp == NULL)
988: p->offset += term_len(p, 6);
989: else
990: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 991: return 1;
1.94 schwarze 992: }
993:
1.147 schwarze 994: if (NULL == n->child && NULL == meta->name)
1.227 schwarze 995: return 0;
1.81 schwarze 996:
1.213 schwarze 997: if (n->type == ROFFT_HEAD)
1.97 schwarze 998: synopsis_pre(p, n->parent);
1.65 schwarze 999:
1.213 schwarze 1000: if (n->type == ROFFT_HEAD &&
1.178 schwarze 1001: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1002: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1003: p->trailspace = 1;
1.105 schwarze 1004: p->rmargin = p->offset + term_len(p, 1);
1005: if (NULL == n->child) {
1.147 schwarze 1006: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1007: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1008: p->rmargin += term_strlen(p, n->child->string);
1009: if (n->child->next)
1010: p->flags |= TERMP_HANG;
1011: } else {
1012: p->rmargin += term_len(p, 5);
1013: p->flags |= TERMP_HANG;
1014: }
1.94 schwarze 1015: }
1016:
1.65 schwarze 1017: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1018: if (NULL == n->child)
1.147 schwarze 1019: term_word(p, meta->name);
1.227 schwarze 1020: return 1;
1.1 kristaps 1021: }
1022:
1.94 schwarze 1023: static void
1024: termp_nm_post(DECL_ARGS)
1025: {
1026:
1.213 schwarze 1027: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1028: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1029: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1030: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1031: term_flushln(p);
1.165 schwarze 1032: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1033: p->trailspace = 0;
1.213 schwarze 1034: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1035: term_flushln(p);
1036: }
1037:
1.1 kristaps 1038: static int
1039: termp_fl_pre(DECL_ARGS)
1040: {
1041:
1.219 schwarze 1042: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1043: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1044: term_word(p, "\\-");
1.67 schwarze 1045:
1.230 schwarze 1046: if (!(n->child == NULL &&
1.179 schwarze 1047: (n->next == NULL ||
1.213 schwarze 1048: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1049: n->next->flags & NODE_LINE)))
1.73 schwarze 1050: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1051:
1.227 schwarze 1052: return 1;
1.49 schwarze 1053: }
1054:
1055: static int
1.104 schwarze 1056: termp__a_pre(DECL_ARGS)
1057: {
1058:
1059: if (n->prev && MDOC__A == n->prev->tok)
1060: if (NULL == n->next || MDOC__A != n->next->tok)
1061: term_word(p, "and");
1062:
1.227 schwarze 1063: return 1;
1.104 schwarze 1064: }
1065:
1066: static int
1.49 schwarze 1067: termp_an_pre(DECL_ARGS)
1068: {
1069:
1.181 schwarze 1070: if (n->norm->An.auth == AUTH_split) {
1071: p->flags &= ~TERMP_NOSPLIT;
1072: p->flags |= TERMP_SPLIT;
1.227 schwarze 1073: return 0;
1.181 schwarze 1074: }
1075: if (n->norm->An.auth == AUTH_nosplit) {
1076: p->flags &= ~TERMP_SPLIT;
1077: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1078: return 0;
1.181 schwarze 1079: }
1.166 schwarze 1080:
1.181 schwarze 1081: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1082: term_newln(p);
1083:
1.181 schwarze 1084: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1085: p->flags |= TERMP_SPLIT;
1.49 schwarze 1086:
1.227 schwarze 1087: return 1;
1.1 kristaps 1088: }
1089:
1090: static int
1091: termp_ns_pre(DECL_ARGS)
1092: {
1093:
1.237 schwarze 1094: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1095: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1096: return 1;
1.1 kristaps 1097: }
1098:
1099: static int
1100: termp_rs_pre(DECL_ARGS)
1101: {
1102:
1.60 schwarze 1103: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1104: return 1;
1.213 schwarze 1105: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1106: term_vspace(p);
1.227 schwarze 1107: return 1;
1.1 kristaps 1108: }
1109:
1110: static int
1111: termp_ex_pre(DECL_ARGS)
1112: {
1.132 schwarze 1113: term_newln(p);
1.240 ! schwarze 1114: return 1;
1.1 kristaps 1115: }
1116:
1117: static int
1118: termp_nd_pre(DECL_ARGS)
1119: {
1.25 schwarze 1120:
1.213 schwarze 1121: if (n->type == ROFFT_BODY)
1.196 schwarze 1122: term_word(p, "\\(en");
1.227 schwarze 1123: return 1;
1.1 kristaps 1124: }
1125:
1.73 schwarze 1126: static int
1127: termp_bl_pre(DECL_ARGS)
1128: {
1129:
1.227 schwarze 1130: return n->type != ROFFT_HEAD;
1.73 schwarze 1131: }
1132:
1.1 kristaps 1133: static void
1134: termp_bl_post(DECL_ARGS)
1135: {
1136:
1.213 schwarze 1137: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1138: term_newln(p);
1139: }
1140:
1141: static int
1142: termp_xr_pre(DECL_ARGS)
1143: {
1144:
1.132 schwarze 1145: if (NULL == (n = n->child))
1.227 schwarze 1146: return 0;
1.72 schwarze 1147:
1.213 schwarze 1148: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1149: term_word(p, n->string);
1.10 schwarze 1150:
1.166 schwarze 1151: if (NULL == (n = n->next))
1.227 schwarze 1152: return 0;
1.132 schwarze 1153:
1.1 kristaps 1154: p->flags |= TERMP_NOSPACE;
1155: term_word(p, "(");
1.132 schwarze 1156: p->flags |= TERMP_NOSPACE;
1157:
1.213 schwarze 1158: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1159: term_word(p, n->string);
1160:
1161: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1162: term_word(p, ")");
1.60 schwarze 1163:
1.227 schwarze 1164: return 0;
1.1 kristaps 1165: }
1166:
1.86 schwarze 1167: /*
1168: * This decides how to assert whitespace before any of the SYNOPSIS set
1169: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1170: * macro combos).
1171: */
1172: static void
1.214 schwarze 1173: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1174: {
1.166 schwarze 1175: /*
1.86 schwarze 1176: * Obviously, if we're not in a SYNOPSIS or no prior macros
1177: * exist, do nothing.
1178: */
1.237 schwarze 1179: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1180: return;
1181:
1182: /*
1183: * If we're the second in a pair of like elements, emit our
1184: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1185: * case we soldier on.
1186: */
1.166 schwarze 1187: if (n->prev->tok == n->tok &&
1188: MDOC_Ft != n->tok &&
1189: MDOC_Fo != n->tok &&
1190: MDOC_Fn != n->tok) {
1.86 schwarze 1191: term_newln(p);
1192: return;
1193: }
1194:
1195: /*
1196: * If we're one of the SYNOPSIS set and non-like pair-wise after
1197: * another (or Fn/Fo, which we've let slip through) then assert
1198: * vertical space, else only newline and move on.
1199: */
1200: switch (n->prev->tok) {
1.166 schwarze 1201: case MDOC_Fd:
1202: case MDOC_Fn:
1203: case MDOC_Fo:
1204: case MDOC_In:
1205: case MDOC_Vt:
1.86 schwarze 1206: term_vspace(p);
1207: break;
1.166 schwarze 1208: case MDOC_Ft:
1.86 schwarze 1209: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1210: term_vspace(p);
1211: break;
1212: }
1213: /* FALLTHROUGH */
1214: default:
1215: term_newln(p);
1216: break;
1217: }
1218: }
1219:
1.69 schwarze 1220: static int
1221: termp_vt_pre(DECL_ARGS)
1222: {
1223:
1.213 schwarze 1224: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1225: synopsis_pre(p, n);
1.227 schwarze 1226: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1227: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1228: synopsis_pre(p, n);
1.227 schwarze 1229: return 1;
1.213 schwarze 1230: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1231: return 0;
1.69 schwarze 1232:
1.227 schwarze 1233: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1234: }
1235:
1.1 kristaps 1236: static int
1.54 schwarze 1237: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1238: {
1239:
1.219 schwarze 1240: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1241: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1242: return 1;
1.1 kristaps 1243: }
1244:
1.86 schwarze 1245: static int
1246: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1247: {
1248:
1.86 schwarze 1249: synopsis_pre(p, n);
1.227 schwarze 1250: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1251: }
1252:
1.143 schwarze 1253: static void
1254: termp_fd_post(DECL_ARGS)
1255: {
1256:
1257: term_newln(p);
1258: }
1259:
1.1 kristaps 1260: static int
1261: termp_sh_pre(DECL_ARGS)
1262: {
1.60 schwarze 1263:
1264: switch (n->type) {
1.213 schwarze 1265: case ROFFT_BLOCK:
1.192 schwarze 1266: /*
1267: * Vertical space before sections, except
1268: * when the previous section was empty.
1269: */
1270: if (n->prev == NULL ||
1.221 schwarze 1271: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1272: (n->prev->body != NULL &&
1273: n->prev->body->child != NULL))
1274: term_vspace(p);
1.52 schwarze 1275: break;
1.213 schwarze 1276: case ROFFT_HEAD:
1.65 schwarze 1277: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1278: break;
1.213 schwarze 1279: case ROFFT_BODY:
1.140 schwarze 1280: p->offset = term_len(p, p->defindent);
1.221 schwarze 1281: switch (n->sec) {
1282: case SEC_DESCRIPTION:
1283: fn_prio = 0;
1284: break;
1285: case SEC_AUTHORS:
1.141 schwarze 1286: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1287: break;
1288: default:
1289: break;
1290: }
1.1 kristaps 1291: break;
1292: default:
1293: break;
1294: }
1.227 schwarze 1295: return 1;
1.1 kristaps 1296: }
1297:
1298: static void
1299: termp_sh_post(DECL_ARGS)
1300: {
1301:
1.60 schwarze 1302: switch (n->type) {
1.213 schwarze 1303: case ROFFT_HEAD:
1.1 kristaps 1304: term_newln(p);
1305: break;
1.213 schwarze 1306: case ROFFT_BODY:
1.1 kristaps 1307: term_newln(p);
1308: p->offset = 0;
1309: break;
1310: default:
1311: break;
1312: }
1313: }
1314:
1315: static void
1316: termp_lb_post(DECL_ARGS)
1317: {
1318:
1.237 schwarze 1319: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1320: term_newln(p);
1.1 kristaps 1321: }
1322:
1323: static int
1324: termp_d1_pre(DECL_ARGS)
1325: {
1326:
1.213 schwarze 1327: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1328: return 1;
1.1 kristaps 1329: term_newln(p);
1.140 schwarze 1330: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1331: return 1;
1.1 kristaps 1332: }
1333:
1334: static int
1335: termp_ft_pre(DECL_ARGS)
1336: {
1337:
1.237 schwarze 1338: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1339: synopsis_pre(p, n);
1.65 schwarze 1340: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1341: return 1;
1.1 kristaps 1342: }
1343:
1344: static int
1345: termp_fn_pre(DECL_ARGS)
1346: {
1.159 schwarze 1347: size_t rmargin = 0;
1.132 schwarze 1348: int pretty;
1349:
1.237 schwarze 1350: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1351:
1.86 schwarze 1352: synopsis_pre(p, n);
1.85 schwarze 1353:
1.132 schwarze 1354: if (NULL == (n = n->child))
1.227 schwarze 1355: return 0;
1.132 schwarze 1356:
1.153 schwarze 1357: if (pretty) {
1358: rmargin = p->rmargin;
1.159 schwarze 1359: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1360: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1361: }
1362:
1.213 schwarze 1363: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1364: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1365: term_word(p, n->string);
1.65 schwarze 1366: term_fontpop(p);
1.1 kristaps 1367:
1.235 schwarze 1368: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1369: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1370:
1.153 schwarze 1371: if (pretty) {
1372: term_flushln(p);
1.165 schwarze 1373: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1374: p->offset = p->rmargin;
1375: p->rmargin = rmargin;
1376: }
1377:
1.1 kristaps 1378: p->flags |= TERMP_NOSPACE;
1379: term_word(p, "(");
1.132 schwarze 1380: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1381:
1.132 schwarze 1382: for (n = n->next; n; n = n->next) {
1.213 schwarze 1383: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1384: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1385: if (pretty)
1386: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1387: term_word(p, n->string);
1.65 schwarze 1388: term_fontpop(p);
1389:
1.132 schwarze 1390: if (n->next) {
1391: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1392: term_word(p, ",");
1.132 schwarze 1393: }
1.1 kristaps 1394: }
1395:
1.132 schwarze 1396: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1397: term_word(p, ")");
1398:
1.132 schwarze 1399: if (pretty) {
1400: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1401: term_word(p, ";");
1.153 schwarze 1402: term_flushln(p);
1.132 schwarze 1403: }
1.1 kristaps 1404:
1.227 schwarze 1405: return 0;
1.1 kristaps 1406: }
1407:
1408: static int
1409: termp_fa_pre(DECL_ARGS)
1410: {
1.214 schwarze 1411: const struct roff_node *nn;
1.1 kristaps 1412:
1.60 schwarze 1413: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1414: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1415: return 1;
1.1 kristaps 1416: }
1417:
1.60 schwarze 1418: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1419: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1420: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1421: term_word(p, nn->string);
1.65 schwarze 1422: term_fontpop(p);
1423:
1.158 schwarze 1424: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1425: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1426: term_word(p, ",");
1.132 schwarze 1427: }
1.1 kristaps 1428: }
1429:
1.227 schwarze 1430: return 0;
1.1 kristaps 1431: }
1432:
1433: static int
1434: termp_bd_pre(DECL_ARGS)
1435: {
1.174 schwarze 1436: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1437: struct roff_node *nn;
1.201 schwarze 1438: int offset;
1.1 kristaps 1439:
1.213 schwarze 1440: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1441: print_bvspace(p, n, n);
1.227 schwarze 1442: return 1;
1.213 schwarze 1443: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1444: return 0;
1.1 kristaps 1445:
1.187 schwarze 1446: /* Handle the -offset argument. */
1447:
1448: if (n->norm->Bd.offs == NULL ||
1449: ! strcmp(n->norm->Bd.offs, "left"))
1450: /* nothing */;
1451: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1452: p->offset += term_len(p, p->defindent + 1);
1453: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1454: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1455: else {
1456: offset = a2width(p, n->norm->Bd.offs);
1457: if (offset < 0 && (size_t)(-offset) > p->offset)
1458: p->offset = 0;
1459: else if (offset < SHRT_MAX)
1460: p->offset += offset;
1461: }
1.60 schwarze 1462:
1463: /*
1464: * If -ragged or -filled are specified, the block does nothing
1465: * but change the indentation. If -unfilled or -literal are
1466: * specified, text is printed exactly as entered in the display:
1467: * for macro lines, a newline is appended to the line. Blank
1468: * lines are allowed.
1469: */
1.166 schwarze 1470:
1471: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1472: DISP_unfilled != n->norm->Bd.type &&
1473: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1474: return 1;
1.1 kristaps 1475:
1.75 schwarze 1476: tabwidth = p->tabwidth;
1.123 schwarze 1477: if (DISP_literal == n->norm->Bd.type)
1478: p->tabwidth = term_len(p, 8);
1479:
1.174 schwarze 1480: lm = p->offset;
1.77 schwarze 1481: rm = p->rmargin;
1482: rmax = p->maxrmargin;
1483: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1484:
1.60 schwarze 1485: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1486: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1487: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1488: len = term_strlen(p, nn->string);
1489: p->offset = len >= rm ? 0 :
1490: lm + len >= rm ? rm - len :
1491: (lm + rm - len) / 2;
1492: } else
1493: p->offset = lm;
1494: }
1.147 schwarze 1495: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1496: /*
1497: * If the printed node flushes its own line, then we
1498: * needn't do it here as well. This is hacky, but the
1499: * notion of selective eoln whitespace is pretty dumb
1500: * anyway, so don't sweat it.
1501: */
1502: switch (nn->tok) {
1.166 schwarze 1503: case MDOC_Sm:
1504: case MDOC_br:
1505: case MDOC_sp:
1506: case MDOC_Bl:
1507: case MDOC_D1:
1508: case MDOC_Dl:
1509: case MDOC_Lp:
1510: case MDOC_Pp:
1.108 schwarze 1511: continue;
1512: default:
1513: break;
1514: }
1.198 schwarze 1515: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1516: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1517: continue;
1518: term_flushln(p);
1.48 schwarze 1519: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1520: }
1.88 schwarze 1521:
1.75 schwarze 1522: p->tabwidth = tabwidth;
1.77 schwarze 1523: p->rmargin = rm;
1524: p->maxrmargin = rmax;
1.227 schwarze 1525: return 0;
1.1 kristaps 1526: }
1527:
1528: static void
1529: termp_bd_post(DECL_ARGS)
1530: {
1.77 schwarze 1531: size_t rm, rmax;
1.1 kristaps 1532:
1.213 schwarze 1533: if (n->type != ROFFT_BODY)
1.1 kristaps 1534: return;
1.77 schwarze 1535:
1536: rm = p->rmargin;
1537: rmax = p->maxrmargin;
1538:
1.166 schwarze 1539: if (DISP_literal == n->norm->Bd.type ||
1540: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1541: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1542:
1.48 schwarze 1543: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1544: term_newln(p);
1.77 schwarze 1545:
1546: p->rmargin = rm;
1547: p->maxrmargin = rmax;
1.1 kristaps 1548: }
1549:
1550: static int
1.26 schwarze 1551: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1552: {
1.238 schwarze 1553: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1554: p->flags |= TERMP_PREKEEP;
1555: return 1;
1556: }
1.1 kristaps 1557:
1.238 schwarze 1558: static void
1559: termp_xx_post(DECL_ARGS)
1560: {
1561: if (n->aux == 0)
1562: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1563: }
1564:
1565: static void
1566: termp_pf_post(DECL_ARGS)
1567: {
1568:
1.237 schwarze 1569: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1570: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1571: }
1572:
1573: static int
1574: termp_ss_pre(DECL_ARGS)
1575: {
1.236 schwarze 1576: struct roff_node *nn;
1.1 kristaps 1577:
1.60 schwarze 1578: switch (n->type) {
1.213 schwarze 1579: case ROFFT_BLOCK:
1.1 kristaps 1580: term_newln(p);
1.236 schwarze 1581: for (nn = n->prev; nn != NULL; nn = nn->prev)
1582: if ((nn->flags & NODE_NOPRT) == 0)
1583: break;
1584: if (nn != NULL)
1.1 kristaps 1585: term_vspace(p);
1586: break;
1.213 schwarze 1587: case ROFFT_HEAD:
1.65 schwarze 1588: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1589: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1590: break;
1.213 schwarze 1591: case ROFFT_BODY:
1.176 schwarze 1592: p->offset = term_len(p, p->defindent);
1593: break;
1.1 kristaps 1594: default:
1595: break;
1596: }
1597:
1.227 schwarze 1598: return 1;
1.1 kristaps 1599: }
1600:
1601: static void
1602: termp_ss_post(DECL_ARGS)
1603: {
1604:
1.213 schwarze 1605: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1606: term_newln(p);
1607: }
1608:
1609: static int
1610: termp_cd_pre(DECL_ARGS)
1611: {
1612:
1.86 schwarze 1613: synopsis_pre(p, n);
1.65 schwarze 1614: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1615: return 1;
1.1 kristaps 1616: }
1617:
1618: static int
1619: termp_in_pre(DECL_ARGS)
1620: {
1621:
1.86 schwarze 1622: synopsis_pre(p, n);
1.85 schwarze 1623:
1.237 schwarze 1624: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1625: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1626: term_word(p, "#include");
1.85 schwarze 1627: term_word(p, "<");
1628: } else {
1629: term_word(p, "<");
1630: term_fontpush(p, TERMFONT_UNDER);
1631: }
1.23 schwarze 1632:
1.1 kristaps 1633: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1634: return 1;
1.1 kristaps 1635: }
1636:
1637: static void
1638: termp_in_post(DECL_ARGS)
1639: {
1640:
1.237 schwarze 1641: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1642: term_fontpush(p, TERMFONT_BOLD);
1643:
1.59 schwarze 1644: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1645: term_word(p, ">");
1646:
1.237 schwarze 1647: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1648: term_fontpop(p);
1.38 schwarze 1649: }
1650:
1651: static int
1652: termp_sp_pre(DECL_ARGS)
1653: {
1.199 schwarze 1654: struct roffsu su;
1.211 schwarze 1655: int i, len;
1.38 schwarze 1656:
1.60 schwarze 1657: switch (n->tok) {
1.166 schwarze 1658: case MDOC_sp:
1.199 schwarze 1659: if (n->child) {
1660: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1661: su.scale = 1.0;
1662: len = term_vspan(p, &su);
1663: } else
1664: len = 1;
1.54 schwarze 1665: break;
1.166 schwarze 1666: case MDOC_br:
1.54 schwarze 1667: len = 0;
1668: break;
1669: default:
1670: len = 1;
1.221 schwarze 1671: fn_prio = 0;
1.54 schwarze 1672: break;
1.38 schwarze 1673: }
1674:
1675: if (0 == len)
1676: term_newln(p);
1.211 schwarze 1677: else if (len < 0)
1678: p->skipvsp -= len;
1679: else
1680: for (i = 0; i < len; i++)
1681: term_vspace(p);
1.38 schwarze 1682:
1.227 schwarze 1683: return 0;
1.38 schwarze 1684: }
1685:
1686: static int
1.193 schwarze 1687: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1688: {
1689:
1.227 schwarze 1690: return 0;
1.170 schwarze 1691: }
1692:
1693: static int
1.107 schwarze 1694: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1695: {
1696:
1.213 schwarze 1697: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1698: return 1;
1.1 kristaps 1699:
1.107 schwarze 1700: switch (n->tok) {
1.166 schwarze 1701: case MDOC_Ao:
1702: case MDOC_Aq:
1.230 schwarze 1703: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1704: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1705: break;
1.166 schwarze 1706: case MDOC_Bro:
1707: case MDOC_Brq:
1.107 schwarze 1708: term_word(p, "{");
1709: break;
1.166 schwarze 1710: case MDOC_Oo:
1711: case MDOC_Op:
1712: case MDOC_Bo:
1713: case MDOC_Bq:
1.107 schwarze 1714: term_word(p, "[");
1715: break;
1.166 schwarze 1716: case MDOC_Do:
1717: case MDOC_Dq:
1.210 schwarze 1718: term_word(p, "\\(Lq");
1.107 schwarze 1719: break;
1.170 schwarze 1720: case MDOC_En:
1721: if (NULL == n->norm->Es ||
1722: NULL == n->norm->Es->child)
1.227 schwarze 1723: return 1;
1.170 schwarze 1724: term_word(p, n->norm->Es->child->string);
1725: break;
1.166 schwarze 1726: case MDOC_Po:
1727: case MDOC_Pq:
1.107 schwarze 1728: term_word(p, "(");
1729: break;
1.166 schwarze 1730: case MDOC__T:
1731: case MDOC_Qo:
1732: case MDOC_Qq:
1.107 schwarze 1733: term_word(p, "\"");
1734: break;
1.166 schwarze 1735: case MDOC_Ql:
1736: case MDOC_So:
1737: case MDOC_Sq:
1.151 schwarze 1738: term_word(p, "\\(oq");
1.107 schwarze 1739: break;
1740: default:
1741: abort();
1742: }
1.1 kristaps 1743:
1744: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1745: return 1;
1.1 kristaps 1746: }
1747:
1748: static void
1.107 schwarze 1749: termp_quote_post(DECL_ARGS)
1.1 kristaps 1750: {
1751:
1.213 schwarze 1752: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1753: return;
1754:
1.205 schwarze 1755: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1756:
1.107 schwarze 1757: switch (n->tok) {
1.166 schwarze 1758: case MDOC_Ao:
1759: case MDOC_Aq:
1.230 schwarze 1760: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1761: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1762: break;
1.166 schwarze 1763: case MDOC_Bro:
1764: case MDOC_Brq:
1.107 schwarze 1765: term_word(p, "}");
1766: break;
1.166 schwarze 1767: case MDOC_Oo:
1768: case MDOC_Op:
1769: case MDOC_Bo:
1770: case MDOC_Bq:
1.107 schwarze 1771: term_word(p, "]");
1772: break;
1.166 schwarze 1773: case MDOC_Do:
1774: case MDOC_Dq:
1.210 schwarze 1775: term_word(p, "\\(Rq");
1.170 schwarze 1776: break;
1777: case MDOC_En:
1.205 schwarze 1778: if (n->norm->Es == NULL ||
1779: n->norm->Es->child == NULL ||
1780: n->norm->Es->child->next == NULL)
1781: p->flags &= ~TERMP_NOSPACE;
1782: else
1.170 schwarze 1783: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1784: break;
1.166 schwarze 1785: case MDOC_Po:
1786: case MDOC_Pq:
1.107 schwarze 1787: term_word(p, ")");
1788: break;
1.166 schwarze 1789: case MDOC__T:
1790: case MDOC_Qo:
1791: case MDOC_Qq:
1.107 schwarze 1792: term_word(p, "\"");
1793: break;
1.166 schwarze 1794: case MDOC_Ql:
1795: case MDOC_So:
1796: case MDOC_Sq:
1.151 schwarze 1797: term_word(p, "\\(cq");
1.107 schwarze 1798: break;
1799: default:
1800: abort();
1801: }
1.205 schwarze 1802: }
1803:
1804: static int
1805: termp_eo_pre(DECL_ARGS)
1806: {
1807:
1.213 schwarze 1808: if (n->type != ROFFT_BODY)
1.227 schwarze 1809: return 1;
1.205 schwarze 1810:
1811: if (n->end == ENDBODY_NOT &&
1812: n->parent->head->child == NULL &&
1813: n->child != NULL &&
1814: n->child->end != ENDBODY_NOT)
1815: term_word(p, "\\&");
1816: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1817: n->parent->head->child != NULL && (n->child != NULL ||
1818: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1819: p->flags |= TERMP_NOSPACE;
1820:
1.227 schwarze 1821: return 1;
1.205 schwarze 1822: }
1823:
1824: static void
1825: termp_eo_post(DECL_ARGS)
1826: {
1827: int body, tail;
1828:
1.213 schwarze 1829: if (n->type != ROFFT_BODY)
1.205 schwarze 1830: return;
1831:
1832: if (n->end != ENDBODY_NOT) {
1833: p->flags &= ~TERMP_NOSPACE;
1834: return;
1835: }
1836:
1837: body = n->child != NULL || n->parent->head->child != NULL;
1838: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1839:
1840: if (body && tail)
1841: p->flags |= TERMP_NOSPACE;
1842: else if ( ! (body || tail))
1843: term_word(p, "\\&");
1844: else if ( ! tail)
1845: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1846: }
1847:
1848: static int
1849: termp_fo_pre(DECL_ARGS)
1850: {
1.159 schwarze 1851: size_t rmargin = 0;
1.158 schwarze 1852: int pretty;
1853:
1.237 schwarze 1854: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1855:
1.213 schwarze 1856: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1857: synopsis_pre(p, n);
1.227 schwarze 1858: return 1;
1.213 schwarze 1859: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1860: if (pretty) {
1861: rmargin = p->rmargin;
1.159 schwarze 1862: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1863: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1864: TERMP_HANG;
1.158 schwarze 1865: }
1.31 schwarze 1866: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1867: term_word(p, "(");
1.132 schwarze 1868: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1869: if (pretty) {
1870: term_flushln(p);
1.165 schwarze 1871: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1872: TERMP_HANG);
1.158 schwarze 1873: p->offset = p->rmargin;
1874: p->rmargin = rmargin;
1875: }
1.227 schwarze 1876: return 1;
1.158 schwarze 1877: }
1.85 schwarze 1878:
1.95 schwarze 1879: if (NULL == n->child)
1.227 schwarze 1880: return 0;
1.95 schwarze 1881:
1.85 schwarze 1882: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1883:
1.85 schwarze 1884: assert(n->child->string);
1.65 schwarze 1885: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1886: term_word(p, n->child->string);
1.227 schwarze 1887: return 0;
1.1 kristaps 1888: }
1889:
1890: static void
1891: termp_fo_post(DECL_ARGS)
1892: {
1893:
1.213 schwarze 1894: if (n->type != ROFFT_BODY)
1.86 schwarze 1895: return;
1896:
1.132 schwarze 1897: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1898: term_word(p, ")");
1899:
1.237 schwarze 1900: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1901: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1902: term_word(p, ";");
1.158 schwarze 1903: term_flushln(p);
1.132 schwarze 1904: }
1.1 kristaps 1905: }
1906:
1907: static int
1908: termp_bf_pre(DECL_ARGS)
1909: {
1910:
1.213 schwarze 1911: if (n->type == ROFFT_HEAD)
1.227 schwarze 1912: return 0;
1.213 schwarze 1913: else if (n->type != ROFFT_BODY)
1.227 schwarze 1914: return 1;
1.1 kristaps 1915:
1.166 schwarze 1916: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1917: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1918: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1919: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1920: else
1.65 schwarze 1921: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1922:
1.227 schwarze 1923: return 1;
1.1 kristaps 1924: }
1925:
1926: static int
1927: termp_sm_pre(DECL_ARGS)
1928: {
1929:
1.171 schwarze 1930: if (NULL == n->child)
1931: p->flags ^= TERMP_NONOSPACE;
1932: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1933: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1934: else
1.1 kristaps 1935: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1936:
1937: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1938: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1939:
1.227 schwarze 1940: return 0;
1.1 kristaps 1941: }
1942:
1943: static int
1944: termp_ap_pre(DECL_ARGS)
1945: {
1946:
1947: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1948: term_word(p, "'");
1.1 kristaps 1949: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1950: return 1;
1.1 kristaps 1951: }
1952:
1953: static void
1954: termp____post(DECL_ARGS)
1955: {
1.104 schwarze 1956:
1957: /*
1958: * Handle lists of authors. In general, print each followed by
1959: * a comma. Don't print the comma if there are only two
1960: * authors.
1961: */
1962: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1963: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1964: if (NULL == n->prev || MDOC__A != n->prev->tok)
1965: return;
1.1 kristaps 1966:
1.62 schwarze 1967: /* TODO: %U. */
1968:
1.106 schwarze 1969: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1970: return;
1971:
1.132 schwarze 1972: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1973: if (NULL == n->next) {
1974: term_word(p, ".");
1975: p->flags |= TERMP_SENTENCE;
1976: } else
1977: term_word(p, ",");
1.1 kristaps 1978: }
1979:
1980: static int
1.65 schwarze 1981: termp_li_pre(DECL_ARGS)
1982: {
1983:
1.234 schwarze 1984: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1985: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1986: return 1;
1.65 schwarze 1987: }
1988:
1989: static int
1.1 kristaps 1990: termp_lk_pre(DECL_ARGS)
1991: {
1.214 schwarze 1992: const struct roff_node *link, *descr;
1.1 kristaps 1993:
1.142 schwarze 1994: if (NULL == (link = n->child))
1.227 schwarze 1995: return 0;
1.101 schwarze 1996:
1.142 schwarze 1997: if (NULL != (descr = link->next)) {
1998: term_fontpush(p, TERMFONT_UNDER);
1999: while (NULL != descr) {
2000: term_word(p, descr->string);
2001: descr = descr->next;
2002: }
2003: p->flags |= TERMP_NOSPACE;
2004: term_word(p, ":");
2005: term_fontpop(p);
2006: }
1.1 kristaps 2007:
1.65 schwarze 2008: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2009: term_word(p, link->string);
1.65 schwarze 2010: term_fontpop(p);
1.6 schwarze 2011:
1.227 schwarze 2012: return 0;
1.1 kristaps 2013: }
2014:
1.90 schwarze 2015: static int
2016: termp_bk_pre(DECL_ARGS)
2017: {
2018:
1.91 schwarze 2019: switch (n->type) {
1.213 schwarze 2020: case ROFFT_BLOCK:
1.95 schwarze 2021: break;
1.213 schwarze 2022: case ROFFT_HEAD:
1.227 schwarze 2023: return 0;
1.213 schwarze 2024: case ROFFT_BODY:
1.230 schwarze 2025: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2026: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2027: break;
1.91 schwarze 2028: default:
2029: abort();
2030: }
1.95 schwarze 2031:
1.227 schwarze 2032: return 1;
1.90 schwarze 2033: }
2034:
2035: static void
2036: termp_bk_post(DECL_ARGS)
2037: {
2038:
1.213 schwarze 2039: if (n->type == ROFFT_BODY)
1.91 schwarze 2040: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2041: }
1.120 schwarze 2042:
2043: static void
2044: termp__t_post(DECL_ARGS)
2045: {
2046:
2047: /*
2048: * If we're in an `Rs' and there's a journal present, then quote
2049: * us instead of underlining us (for disambiguation).
2050: */
1.121 schwarze 2051: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2052: n->parent->norm->Rs.quote_T)
1.147 schwarze 2053: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2054:
1.147 schwarze 2055: termp____post(p, pair, meta, n);
1.120 schwarze 2056: }
2057:
2058: static int
2059: termp__t_pre(DECL_ARGS)
2060: {
2061:
2062: /*
2063: * If we're in an `Rs' and there's a journal present, then quote
2064: * us instead of underlining us (for disambiguation).
2065: */
1.121 schwarze 2066: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2067: n->parent->norm->Rs.quote_T)
1.227 schwarze 2068: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2069:
2070: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2071: return 1;
1.121 schwarze 2072: }
1.1 kristaps 2073:
2074: static int
1.54 schwarze 2075: termp_under_pre(DECL_ARGS)
1.1 kristaps 2076: {
2077:
1.65 schwarze 2078: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2079: return 1;
2080: }
2081:
2082: static int
2083: termp_em_pre(DECL_ARGS)
2084: {
2085: if (n->child != NULL &&
2086: n->child->type == ROFFT_TEXT)
2087: tag_put(n->child->string, 0, p->line);
2088: term_fontpush(p, TERMFONT_UNDER);
2089: return 1;
2090: }
2091:
2092: static int
2093: termp_sy_pre(DECL_ARGS)
2094: {
2095: if (n->child != NULL &&
2096: n->child->type == ROFFT_TEXT)
2097: tag_put(n->child->string, 0, p->line);
2098: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2099: return 1;
1.222 schwarze 2100: }
2101:
2102: static int
2103: termp_er_pre(DECL_ARGS)
2104: {
2105:
2106: if (n->sec == SEC_ERRORS &&
2107: (n->parent->tok == MDOC_It ||
2108: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2109: n->parent->parent->parent->tok == MDOC_It)))
2110: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2111: return 1;
1.219 schwarze 2112: }
2113:
2114: static int
2115: termp_tag_pre(DECL_ARGS)
2116: {
2117:
2118: if (n->child != NULL &&
2119: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2120: (n->prev == NULL ||
2121: (n->prev->type == ROFFT_TEXT &&
2122: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2123: (n->parent->tok == MDOC_It ||
2124: (n->parent->tok == MDOC_Xo &&
2125: n->parent->parent->prev == NULL &&
1.223 schwarze 2126: n->parent->parent->parent->tok == MDOC_It)))
2127: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2128: return 1;
1.1 kristaps 2129: }
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