Annotation of mandoc/mdoc_term.c, Revision 1.281
1.281 ! schwarze 1: /* $Id: mdoc_term.c,v 1.280 2014/08/21 12:57:17 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.256 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.6 kristaps 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.6 kristaps 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.118 kristaps 25: #include <stdint.h>
1.1 kristaps 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
29:
1.125 kristaps 30: #include "mandoc.h"
1.266 schwarze 31: #include "mandoc_aux.h"
1.92 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
34: #include "mdoc.h"
1.89 kristaps 35: #include "main.h"
1.1 kristaps 36:
37: struct termpair {
38: struct termpair *ppair;
1.31 kristaps 39: int count;
1.1 kristaps 40: };
41:
1.31 kristaps 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.264 schwarze 44: const struct mdoc_meta *meta, \
1.244 schwarze 45: struct mdoc_node *n
1.1 kristaps 46:
47: struct termact {
48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
51:
1.157 kristaps 52: static size_t a2width(const struct termp *, const char *);
53: static size_t a2height(const struct termp *, const char *);
54: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 55:
56: static void print_bvspace(struct termp *,
1.151 kristaps 57: const struct mdoc_node *,
1.96 kristaps 58: const struct mdoc_node *);
1.264 schwarze 59: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 60: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 61: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 62: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 63: static void synopsis_pre(struct termp *,
1.143 kristaps 64: const struct mdoc_node *);
1.96 kristaps 65:
1.31 kristaps 66: static void termp____post(DECL_ARGS);
1.203 kristaps 67: static void termp__t_post(DECL_ARGS);
1.61 kristaps 68: static void termp_an_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.241 schwarze 72: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 73: static void termp_fo_post(DECL_ARGS);
74: static void termp_in_post(DECL_ARGS);
75: static void termp_it_post(DECL_ARGS);
76: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 77: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 78: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 79: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 80: static void termp_sh_post(DECL_ARGS);
81: static void termp_ss_post(DECL_ARGS);
82:
1.184 kristaps 83: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 84: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 85: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 90: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 91: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 92: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 93: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.268 schwarze 96: static int termp_es_pre(DECL_ARGS);
1.31 kristaps 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 99: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 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);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 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);
1.188 kristaps 112: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_rv_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
116: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 117: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 119: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 121: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
124:
1.70 kristaps 125: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 126: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.115 kristaps 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 141: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 144: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 145: { NULL, NULL }, /* Dv */
146: { NULL, NULL }, /* Er */
147: { NULL, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 156: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 160: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 161: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 162: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 163: { NULL, NULL }, /* St */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 167: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.203 kristaps 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.188 kristaps 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.264 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 186: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 187: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 188: { NULL, NULL }, /* Db */
189: { NULL, NULL }, /* Dc */
1.188 kristaps 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.264 schwarze 194: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 195: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 196: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 197: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 198: { NULL, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 200: { termp_xx_pre, NULL }, /* Nx */
201: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.254 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.188 kristaps 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 216: { termp_under_pre, NULL }, /* Sx */
217: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.26 kristaps 219: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.264 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.188 kristaps 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.159 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
228: { termp_bt_pre, NULL }, /* Bt */
229: { NULL, NULL }, /* Hf */
1.268 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 231: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 232: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 233: { termp_sp_pre, NULL }, /* Lp */
234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.268 schwarze 240: { termp_es_pre, NULL }, /* Es */
241: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 242: { termp_xx_pre, NULL }, /* Dx */
243: { NULL, termp____post }, /* %Q */
1.76 kristaps 244: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 245: { termp_sp_pre, NULL }, /* sp */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.260 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
250:
251:
1.70 kristaps 252: void
1.89 kristaps 253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 254: {
1.245 schwarze 255: const struct mdoc_meta *meta;
1.281 ! schwarze 256: struct mdoc_node *n;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
261: p->overstep = 0;
1.281 ! schwarze 262: p->rmargin = p->maxrmargin = p->defrmargin;
1.157 kristaps 263: p->tabwidth = term_len(p, 5);
1.89 kristaps 264:
265: if (NULL == p->symtab)
1.230 kristaps 266: p->symtab = mchars_alloc();
1.70 kristaps 267:
1.281 ! schwarze 268: n = mdoc_node(mdoc)->child;
1.245 schwarze 269: meta = mdoc_meta(mdoc);
1.146 schwarze 270:
1.281 ! schwarze 271: if (p->synopsisonly) {
! 272: while (n != NULL) {
! 273: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
! 274: if (n->child->next->child != NULL)
! 275: print_mdoc_nodelist(p, NULL,
! 276: meta, n->child->next->child);
! 277: term_newln(p);
! 278: break;
! 279: }
! 280: n = n->next;
! 281: }
! 282: } else {
! 283: if (p->defindent == 0)
! 284: p->defindent = 5;
! 285: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
! 286: if (n != NULL) {
! 287: if (n->tok != MDOC_Sh)
! 288: term_vspace(p);
! 289: print_mdoc_nodelist(p, NULL, meta, n);
! 290: }
! 291: term_end(p);
1.271 schwarze 292: }
1.1 kristaps 293: }
294:
1.3 kristaps 295: static void
1.102 kristaps 296: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 297: {
298:
1.245 schwarze 299: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 300: if (n->next)
1.245 schwarze 301: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 302: }
303:
1.3 kristaps 304: static void
1.102 kristaps 305: print_mdoc_node(DECL_ARGS)
1.1 kristaps 306: {
1.102 kristaps 307: int chld;
1.1 kristaps 308: struct termpair npair;
1.30 kristaps 309: size_t offset, rmargin;
1.1 kristaps 310:
1.70 kristaps 311: chld = 1;
1.29 kristaps 312: offset = p->offset;
1.30 kristaps 313: rmargin = p->rmargin;
1.244 schwarze 314: n->prev_font = term_fontq(p);
1.29 kristaps 315:
1.97 kristaps 316: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 317: npair.ppair = pair;
1.172 kristaps 318:
319: /*
320: * Keeps only work until the end of a line. If a keep was
321: * invoked in a prior line, revert it to PREKEEP.
322: */
323:
1.253 schwarze 324: if (TERMP_KEEP & p->flags) {
1.252 schwarze 325: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 326: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 327: p->flags &= ~TERMP_KEEP;
328: p->flags |= TERMP_PREKEEP;
329: }
330: }
1.197 schwarze 331:
332: /*
1.217 schwarze 333: * After the keep flags have been set up, we may now
334: * produce output. Note that some pre-handlers do so.
335: */
336:
337: switch (n->type) {
1.264 schwarze 338: case MDOC_TEXT:
1.217 schwarze 339: if (' ' == *n->string && MDOC_LINE & n->flags)
340: term_newln(p);
1.222 kristaps 341: if (MDOC_DELIMC & n->flags)
342: p->flags |= TERMP_NOSPACE;
1.217 schwarze 343: term_word(p, n->string);
1.222 kristaps 344: if (MDOC_DELIMO & n->flags)
345: p->flags |= TERMP_NOSPACE;
1.217 schwarze 346: break;
1.264 schwarze 347: case MDOC_EQN:
1.233 kristaps 348: term_eqn(p, n->eqn);
1.217 schwarze 349: break;
1.264 schwarze 350: case MDOC_TBL:
1.217 schwarze 351: term_tbl(p, n->span);
352: break;
353: default:
354: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
355: chld = (*termacts[n->tok].pre)
1.245 schwarze 356: (p, &npair, meta, n);
1.217 schwarze 357: break;
358: }
359:
1.86 kristaps 360: if (chld && n->child)
1.245 schwarze 361: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 362:
1.244 schwarze 363: term_fontpopq(p,
364: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 365:
1.206 kristaps 366: switch (n->type) {
1.264 schwarze 367: case MDOC_TEXT:
1.206 kristaps 368: break;
1.264 schwarze 369: case MDOC_TBL:
1.216 kristaps 370: break;
1.264 schwarze 371: case MDOC_EQN:
1.206 kristaps 372: break;
373: default:
374: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
375: break;
1.245 schwarze 376: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 377:
378: /*
379: * Explicit end tokens not only call the post
380: * handler, but also tell the respective block
381: * that it must not call the post handler again.
382: */
1.165 kristaps 383: if (ENDBODY_NOT != n->end)
1.162 schwarze 384: n->pending->flags |= MDOC_ENDED;
385:
386: /*
387: * End of line terminating an implicit block
388: * while an explicit block is still open.
389: * Continue the explicit block without spacing.
390: */
391: if (ENDBODY_NOSPACE == n->end)
392: p->flags |= TERMP_NOSPACE;
1.206 kristaps 393: break;
1.162 schwarze 394: }
1.121 kristaps 395:
396: if (MDOC_EOS & n->flags)
397: p->flags |= TERMP_SENTENCE;
1.29 kristaps 398:
1.260 schwarze 399: if (MDOC_ll != n->tok) {
400: p->offset = offset;
401: p->rmargin = rmargin;
402: }
1.1 kristaps 403: }
404:
1.3 kristaps 405: static void
1.145 kristaps 406: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 407: {
1.245 schwarze 408: const struct mdoc_meta *meta;
1.144 kristaps 409:
1.245 schwarze 410: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 411:
1.102 kristaps 412: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 413:
1.264 schwarze 414: /*
1.9 kristaps 415: * Output the footer in new-groff style, that is, three columns
416: * with the middle being the manual date and flanking columns
417: * being the operating system:
418: *
419: * SYSTEM DATE SYSTEM
420: */
421:
1.1 kristaps 422: term_vspace(p);
423:
1.9 kristaps 424: p->offset = 0;
1.264 schwarze 425: p->rmargin = (p->maxrmargin -
426: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 427: p->trailspace = 1;
1.1 kristaps 428: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
429:
1.245 schwarze 430: term_word(p, meta->os);
1.1 kristaps 431: term_flushln(p);
432:
1.9 kristaps 433: p->offset = p->rmargin;
1.245 schwarze 434: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 435: p->flags |= TERMP_NOSPACE;
1.9 kristaps 436:
1.245 schwarze 437: term_word(p, meta->date);
1.9 kristaps 438: term_flushln(p);
439:
1.1 kristaps 440: p->offset = p->rmargin;
441: p->rmargin = p->maxrmargin;
1.250 schwarze 442: p->trailspace = 0;
1.1 kristaps 443: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 444: p->flags |= TERMP_NOSPACE;
1.1 kristaps 445:
1.245 schwarze 446: term_word(p, meta->os);
1.1 kristaps 447: term_flushln(p);
448:
1.9 kristaps 449: p->offset = 0;
450: p->rmargin = p->maxrmargin;
451: p->flags = 0;
1.1 kristaps 452: }
453:
1.3 kristaps 454: static void
1.144 kristaps 455: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 456: {
1.266 schwarze 457: const struct mdoc_meta *meta;
1.267 schwarze 458: char *volume, *title;
459: size_t vollen, titlen;
1.144 kristaps 460:
1.245 schwarze 461: meta = (const struct mdoc_meta *)arg;
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: */
1.235 schwarze 475:
1.245 schwarze 476: assert(meta->vol);
1.267 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:
1.275 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);
1.235 schwarze 489: titlen = term_strlen(p, title);
1.1 kristaps 490:
1.235 schwarze 491: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 492: p->trailspace = 1;
1.1 kristaps 493: p->offset = 0;
1.267 schwarze 494: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
495: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
496: p->maxrmargin - vollen;
1.1 kristaps 497:
498: term_word(p, title);
499: term_flushln(p);
500:
1.235 schwarze 501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 502: p->offset = p->rmargin;
1.267 schwarze 503: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 504: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 505:
1.267 schwarze 506: term_word(p, volume);
1.1 kristaps 507: term_flushln(p);
508:
509: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 510: p->trailspace = 0;
1.235 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:
1.235 schwarze 519: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 520: p->offset = 0;
1.1 kristaps 521: p->rmargin = p->maxrmargin;
1.266 schwarze 522: free(title);
1.267 schwarze 523: free(volume);
1.1 kristaps 524: }
525:
526: static size_t
1.157 kristaps 527: a2height(const struct termp *p, const char *v)
1.1 kristaps 528: {
1.92 kristaps 529: struct roffsu su;
1.91 kristaps 530:
1.231 kristaps 531:
1.157 kristaps 532: assert(v);
533: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 534: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 535:
1.157 kristaps 536: return(term_vspan(p, &su));
1.91 kristaps 537: }
1.1 kristaps 538:
1.91 kristaps 539: static size_t
1.157 kristaps 540: a2width(const struct termp *p, const char *v)
1.91 kristaps 541: {
1.92 kristaps 542: struct roffsu su;
1.1 kristaps 543:
1.154 kristaps 544: assert(v);
545: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 546: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 547:
1.157 kristaps 548: return(term_hspan(p, &su));
1.1 kristaps 549: }
550:
551: static size_t
1.157 kristaps 552: a2offs(const struct termp *p, const char *v)
1.1 kristaps 553: {
1.92 kristaps 554: struct roffsu su;
1.1 kristaps 555:
1.148 kristaps 556: if ('\0' == *v)
1.91 kristaps 557: return(0);
1.148 kristaps 558: else if (0 == strcmp(v, "left"))
1.19 kristaps 559: return(0);
1.148 kristaps 560: else if (0 == strcmp(v, "indent"))
1.238 schwarze 561: return(term_len(p, p->defindent + 1));
1.148 kristaps 562: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 563: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 564: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 565: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 566:
1.157 kristaps 567: return(term_hspan(p, &su));
1.1 kristaps 568: }
569:
1.108 kristaps 570: /*
571: * Determine how much space to print out before block elements of `It'
572: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
573: * too.
574: */
1.54 kristaps 575: static void
1.264 schwarze 576: print_bvspace(struct termp *p,
577: const struct mdoc_node *bl,
578: const struct mdoc_node *n)
1.1 kristaps 579: {
1.86 kristaps 580: const struct mdoc_node *nn;
1.236 schwarze 581:
582: assert(n);
1.1 kristaps 583:
584: term_newln(p);
1.150 kristaps 585:
1.202 kristaps 586: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 587: return;
1.202 kristaps 588: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 589: return;
590:
1.85 kristaps 591: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 592:
1.86 kristaps 593: for (nn = n; nn; nn = nn->parent) {
594: if (MDOC_BLOCK != nn->type)
1.1 kristaps 595: continue;
1.86 kristaps 596: if (MDOC_Ss == nn->tok)
1.54 kristaps 597: return;
1.86 kristaps 598: if (MDOC_Sh == nn->tok)
1.54 kristaps 599: return;
1.86 kristaps 600: if (NULL == nn->prev)
1.1 kristaps 601: continue;
602: break;
603: }
604:
1.85 kristaps 605: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 606:
1.202 kristaps 607: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 608: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 609: return;
610:
1.85 kristaps 611: /* A `-diag' without body does not vspace. */
612:
1.202 kristaps 613: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 614: if (n->prev && MDOC_It == n->prev->tok) {
615: assert(n->prev->body);
616: if (NULL == n->prev->body->child)
1.55 kristaps 617: return;
618: }
619:
1.54 kristaps 620: term_vspace(p);
1.260 schwarze 621: }
622:
623:
624: static int
625: termp_ll_pre(DECL_ARGS)
626: {
627:
1.261 schwarze 628: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 629: return(0);
1.1 kristaps 630: }
631:
632: static int
633: termp_it_pre(DECL_ARGS)
634: {
1.86 kristaps 635: const struct mdoc_node *bl, *nn;
1.265 schwarze 636: char buf[24];
1.264 schwarze 637: int i;
638: size_t width, offset, ncols, dcol;
1.126 kristaps 639: enum mdoc_list type;
1.1 kristaps 640:
1.86 kristaps 641: if (MDOC_BLOCK == n->type) {
1.151 kristaps 642: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 643: return(1);
644: }
1.1 kristaps 645:
1.86 kristaps 646: bl = n->parent->parent->parent;
1.202 kristaps 647: type = bl->norm->Bl.type;
1.1 kristaps 648:
1.264 schwarze 649: /*
1.108 kristaps 650: * First calculate width and offset. This is pretty easy unless
651: * we're a -column list, in which case all prior columns must
652: * be accounted for.
653: */
654:
655: width = offset = 0;
656:
1.202 kristaps 657: if (bl->norm->Bl.offs)
658: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 659:
1.1 kristaps 660: switch (type) {
1.264 schwarze 661: case LIST_column:
1.134 kristaps 662: if (MDOC_HEAD == n->type)
1.1 kristaps 663: break;
1.155 kristaps 664:
1.105 kristaps 665: /*
1.108 kristaps 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.
1.105 kristaps 673: */
1.202 kristaps 674: ncols = bl->norm->Bl.ncols;
1.264 schwarze 675: dcol = ncols < 5 ? term_len(p, 4) :
676: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 677:
1.134 kristaps 678: /*
679: * Calculate the offset by applying all prior MDOC_BODY,
680: * so we stop at the MDOC_HEAD (NULL == nn->prev).
681: */
682:
1.264 schwarze 683: for (i = 0, nn = n->prev;
684: nn->prev && i < (int)ncols;
685: nn = nn->prev, i++)
686: offset += dcol + a2width(p,
687: bl->norm->Bl.cols[i]);
1.105 kristaps 688:
689: /*
1.108 kristaps 690: * When exceeding the declared number of columns, leave
691: * the remaining widths at 0. This will later be
692: * adjusted to the default width of 10, or, for the last
693: * column, stretched to the right margin.
1.58 kristaps 694: */
1.108 kristaps 695: if (i >= (int)ncols)
696: break;
1.58 kristaps 697:
1.105 kristaps 698: /*
1.108 kristaps 699: * Use the declared column widths, extended as explained
700: * in the preceding paragraph.
1.105 kristaps 701: */
1.202 kristaps 702: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 703: break;
704: default:
1.202 kristaps 705: if (NULL == bl->norm->Bl.width)
1.108 kristaps 706: break;
707:
1.264 schwarze 708: /*
1.108 kristaps 709: * Note: buffer the width by 2, which is groff's magic
710: * number for buffering single arguments. See the above
711: * handling for column for how this changes.
712: */
1.202 kristaps 713: assert(bl->norm->Bl.width);
714: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 715: break;
716: }
717:
1.264 schwarze 718: /*
1.1 kristaps 719: * List-type can override the width in the case of fixed-head
720: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 721: * offset.
1.1 kristaps 722: */
723:
724: switch (type) {
1.264 schwarze 725: case LIST_bullet:
1.1 kristaps 726: /* FALLTHROUGH */
1.264 schwarze 727: case LIST_dash:
1.1 kristaps 728: /* FALLTHROUGH */
1.264 schwarze 729: case LIST_hyphen:
1.242 schwarze 730: /* FALLTHROUGH */
1.264 schwarze 731: case LIST_enum:
1.242 schwarze 732: if (width < term_len(p, 2))
733: width = term_len(p, 2);
1.17 kristaps 734: break;
1.264 schwarze 735: case LIST_hang:
1.39 kristaps 736: if (0 == width)
1.157 kristaps 737: width = term_len(p, 8);
1.39 kristaps 738: break;
1.264 schwarze 739: case LIST_column:
1.49 kristaps 740: /* FALLTHROUGH */
1.264 schwarze 741: case LIST_tag:
1.1 kristaps 742: if (0 == width)
1.157 kristaps 743: width = term_len(p, 10);
1.1 kristaps 744: break;
745: default:
746: break;
747: }
748:
1.264 schwarze 749: /*
1.17 kristaps 750: * Whitespace control. Inset bodies need an initial space,
751: * while diagonal bodies need two.
1.1 kristaps 752: */
753:
1.51 kristaps 754: p->flags |= TERMP_NOSPACE;
755:
1.1 kristaps 756: switch (type) {
1.264 schwarze 757: case LIST_diag:
1.86 kristaps 758: if (MDOC_BODY == n->type)
1.62 kristaps 759: term_word(p, "\\ \\ ");
1.51 kristaps 760: break;
1.264 schwarze 761: case LIST_inset:
1.270 schwarze 762: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 763: term_word(p, "\\ ");
1.1 kristaps 764: break;
765: default:
766: break;
767: }
768:
1.51 kristaps 769: p->flags |= TERMP_NOSPACE;
770:
1.1 kristaps 771: switch (type) {
1.264 schwarze 772: case LIST_diag:
1.86 kristaps 773: if (MDOC_HEAD == n->type)
1.102 kristaps 774: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 775: break;
776: default:
777: break;
778: }
779:
780: /*
1.109 kristaps 781: * Pad and break control. This is the tricky part. These flags
782: * are documented in term_flushln() in term.c. Note that we're
783: * going to unset all of these flags in termp_it_post() when we
784: * exit.
1.1 kristaps 785: */
786:
787: switch (type) {
1.264 schwarze 788: case LIST_enum:
1.242 schwarze 789: /*
790: * Weird special case.
791: * Very narrow enum lists actually hang.
792: */
793: if (width == term_len(p, 2))
794: p->flags |= TERMP_HANG;
795: /* FALLTHROUGH */
1.264 schwarze 796: case LIST_bullet:
1.1 kristaps 797: /* FALLTHROUGH */
1.264 schwarze 798: case LIST_dash:
1.1 kristaps 799: /* FALLTHROUGH */
1.264 schwarze 800: case LIST_hyphen:
1.250 schwarze 801: if (MDOC_HEAD != n->type)
802: break;
803: p->flags |= TERMP_NOBREAK;
804: p->trailspace = 1;
1.39 kristaps 805: break;
1.264 schwarze 806: case LIST_hang:
1.250 schwarze 807: if (MDOC_HEAD != n->type)
1.59 kristaps 808: break;
809:
810: /*
811: * This is ugly. If `-hang' is specified and the body
812: * is a `Bl' or `Bd', then we want basically to nullify
813: * the "overstep" effect in term_flushln() and treat
814: * this as a `-ohang' list instead.
815: */
1.279 schwarze 816: if (NULL != n->next &&
1.278 schwarze 817: NULL != n->next->child &&
818: (MDOC_Bl == n->next->child->tok ||
819: MDOC_Bd == n->next->child->tok))
1.250 schwarze 820: break;
821:
1.263 schwarze 822: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 823: p->trailspace = 1;
1.39 kristaps 824: break;
1.264 schwarze 825: case LIST_tag:
1.86 kristaps 826: if (MDOC_HEAD != n->type)
1.39 kristaps 827: break;
1.250 schwarze 828:
1.263 schwarze 829: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 830: p->trailspace = 2;
831:
1.86 kristaps 832: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 833: p->flags |= TERMP_DANGLE;
1.1 kristaps 834: break;
1.264 schwarze 835: case LIST_column:
1.134 kristaps 836: if (MDOC_HEAD == n->type)
837: break;
838:
1.250 schwarze 839: if (NULL == n->next) {
1.134 kristaps 840: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 841: p->trailspace = 0;
842: } else {
1.134 kristaps 843: p->flags |= TERMP_NOBREAK;
1.250 schwarze 844: p->trailspace = 1;
845: }
1.134 kristaps 846:
1.1 kristaps 847: break;
1.264 schwarze 848: case LIST_diag:
1.250 schwarze 849: if (MDOC_HEAD != n->type)
850: break;
1.263 schwarze 851: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 852: p->trailspace = 1;
1.1 kristaps 853: break;
854: default:
855: break;
856: }
857:
1.264 schwarze 858: /*
1.1 kristaps 859: * Margin control. Set-head-width lists have their right
860: * margins shortened. The body for these lists has the offset
861: * necessarily lengthened. Everybody gets the offset.
862: */
863:
864: p->offset += offset;
865:
866: switch (type) {
1.264 schwarze 867: case LIST_hang:
1.59 kristaps 868: /*
869: * Same stipulation as above, regarding `-hang'. We
870: * don't want to recalculate rmargin and offsets when
871: * using `Bd' or `Bl' within `-hang' overstep lists.
872: */
1.279 schwarze 873: if (MDOC_HEAD == n->type &&
874: NULL != n->next &&
1.278 schwarze 875: NULL != n->next->child &&
876: (MDOC_Bl == n->next->child->tok ||
877: MDOC_Bd == n->next->child->tok))
1.59 kristaps 878: break;
879: /* FALLTHROUGH */
1.264 schwarze 880: case LIST_bullet:
1.1 kristaps 881: /* FALLTHROUGH */
1.264 schwarze 882: case LIST_dash:
1.1 kristaps 883: /* FALLTHROUGH */
1.264 schwarze 884: case LIST_enum:
1.1 kristaps 885: /* FALLTHROUGH */
1.264 schwarze 886: case LIST_hyphen:
1.1 kristaps 887: /* FALLTHROUGH */
1.264 schwarze 888: case LIST_tag:
1.49 kristaps 889: assert(width);
1.86 kristaps 890: if (MDOC_HEAD == n->type)
1.1 kristaps 891: p->rmargin = p->offset + width;
1.259 schwarze 892: else {
1.1 kristaps 893: p->offset += width;
1.259 schwarze 894: if (p->rmargin < p->offset)
895: p->rmargin = p->offset;
896: }
1.1 kristaps 897: break;
1.264 schwarze 898: case LIST_column:
1.49 kristaps 899: assert(width);
1.1 kristaps 900: p->rmargin = p->offset + width;
1.264 schwarze 901: /*
1.50 kristaps 902: * XXX - this behaviour is not documented: the
903: * right-most column is filled to the right margin.
904: */
1.134 kristaps 905: if (MDOC_HEAD == n->type)
906: break;
907: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 908: p->rmargin = p->maxrmargin;
1.1 kristaps 909: break;
910: default:
911: break;
912: }
913:
1.264 schwarze 914: /*
1.1 kristaps 915: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 916: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 917: */
918:
1.86 kristaps 919: if (MDOC_HEAD == n->type)
1.1 kristaps 920: switch (type) {
1.264 schwarze 921: case LIST_bullet:
1.102 kristaps 922: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 923: term_word(p, "\\[bu]");
1.102 kristaps 924: term_fontpop(p);
1.1 kristaps 925: break;
1.264 schwarze 926: case LIST_dash:
1.1 kristaps 927: /* FALLTHROUGH */
1.264 schwarze 928: case LIST_hyphen:
1.102 kristaps 929: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 930: term_word(p, "\\(hy");
1.102 kristaps 931: term_fontpop(p);
1.1 kristaps 932: break;
1.264 schwarze 933: case LIST_enum:
1.1 kristaps 934: (pair->ppair->ppair->count)++;
1.265 schwarze 935: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 936: pair->ppair->ppair->count);
1.1 kristaps 937: term_word(p, buf);
938: break;
939: default:
940: break;
941: }
942:
1.264 schwarze 943: /*
1.1 kristaps 944: * If we're not going to process our children, indicate so here.
945: */
946:
947: switch (type) {
1.264 schwarze 948: case LIST_bullet:
1.1 kristaps 949: /* FALLTHROUGH */
1.264 schwarze 950: case LIST_item:
1.1 kristaps 951: /* FALLTHROUGH */
1.264 schwarze 952: case LIST_dash:
1.1 kristaps 953: /* FALLTHROUGH */
1.264 schwarze 954: case LIST_hyphen:
1.1 kristaps 955: /* FALLTHROUGH */
1.264 schwarze 956: case LIST_enum:
1.86 kristaps 957: if (MDOC_HEAD == n->type)
1.1 kristaps 958: return(0);
959: break;
1.264 schwarze 960: case LIST_column:
1.134 kristaps 961: if (MDOC_HEAD == n->type)
1.1 kristaps 962: return(0);
963: break;
964: default:
965: break;
966: }
967:
968: return(1);
969: }
970:
971: static void
972: termp_it_post(DECL_ARGS)
973: {
1.126 kristaps 974: enum mdoc_list type;
1.1 kristaps 975:
1.109 kristaps 976: if (MDOC_BLOCK == n->type)
1.1 kristaps 977: return;
978:
1.202 kristaps 979: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 980:
981: switch (type) {
1.264 schwarze 982: case LIST_item:
1.1 kristaps 983: /* FALLTHROUGH */
1.264 schwarze 984: case LIST_diag:
1.53 kristaps 985: /* FALLTHROUGH */
1.264 schwarze 986: case LIST_inset:
1.86 kristaps 987: if (MDOC_BODY == n->type)
1.130 schwarze 988: term_newln(p);
1.1 kristaps 989: break;
1.264 schwarze 990: case LIST_column:
1.134 kristaps 991: if (MDOC_BODY == n->type)
1.1 kristaps 992: term_flushln(p);
993: break;
994: default:
1.130 schwarze 995: term_newln(p);
1.1 kristaps 996: break;
997: }
998:
1.264 schwarze 999: /*
1.109 kristaps 1000: * Now that our output is flushed, we can reset our tags. Since
1001: * only `It' sets these flags, we're free to assume that nobody
1002: * has munged them in the meanwhile.
1003: */
1004:
1.263 schwarze 1005: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1006: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 1007: p->trailspace = 0;
1.1 kristaps 1008: }
1009:
1010: static int
1011: termp_nm_pre(DECL_ARGS)
1012: {
1013:
1.253 schwarze 1014: if (MDOC_BLOCK == n->type) {
1015: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1016: return(1);
1.253 schwarze 1017: }
1.164 schwarze 1018:
1019: if (MDOC_BODY == n->type) {
1020: if (NULL == n->child)
1021: return(0);
1.234 schwarze 1022: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1023: p->offset += term_len(p, 1) +
1.245 schwarze 1024: (NULL == n->prev->child ?
1025: term_strlen(p, meta->name) :
1.164 schwarze 1026: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1027: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1028: term_len(p, 5));
1.262 schwarze 1029: if (p->rmargin < p->offset)
1030: p->rmargin = p->offset;
1.164 schwarze 1031: return(1);
1032: }
1033:
1.245 schwarze 1034: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1035: return(0);
1.125 kristaps 1036:
1.177 schwarze 1037: if (MDOC_HEAD == n->type)
1038: synopsis_pre(p, n->parent);
1.102 kristaps 1039:
1.279 schwarze 1040: if (MDOC_HEAD == n->type &&
1.278 schwarze 1041: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1042: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1043: p->trailspace = 1;
1.185 schwarze 1044: p->rmargin = p->offset + term_len(p, 1);
1045: if (NULL == n->child) {
1.245 schwarze 1046: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1047: } else if (MDOC_TEXT == n->child->type) {
1048: p->rmargin += term_strlen(p, n->child->string);
1049: if (n->child->next)
1050: p->flags |= TERMP_HANG;
1051: } else {
1052: p->rmargin += term_len(p, 5);
1053: p->flags |= TERMP_HANG;
1054: }
1.164 schwarze 1055: }
1056:
1.102 kristaps 1057: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1058: if (NULL == n->child)
1.245 schwarze 1059: term_word(p, meta->name);
1.1 kristaps 1060: return(1);
1061: }
1062:
1.164 schwarze 1063: static void
1064: termp_nm_post(DECL_ARGS)
1065: {
1066:
1.253 schwarze 1067: if (MDOC_BLOCK == n->type) {
1068: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 schwarze 1069: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1070: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1071: term_flushln(p);
1.263 schwarze 1072: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1073: p->trailspace = 0;
1.234 schwarze 1074: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1075: term_flushln(p);
1076: }
1077:
1.1 kristaps 1078: static int
1079: termp_fl_pre(DECL_ARGS)
1080: {
1081:
1.102 kristaps 1082: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1083: term_word(p, "\\-");
1.103 kristaps 1084:
1.280 schwarze 1085: if ( ! (n->nchild == 0 &&
1086: (n->next == NULL ||
1087: n->next->type == MDOC_TEXT ||
1088: n->next->flags & MDOC_LINE)))
1.103 kristaps 1089: p->flags |= TERMP_NOSPACE;
1090:
1.1 kristaps 1091: return(1);
1092: }
1093:
1094: static int
1.184 kristaps 1095: termp__a_pre(DECL_ARGS)
1096: {
1097:
1098: if (n->prev && MDOC__A == n->prev->tok)
1099: if (NULL == n->next || MDOC__A != n->next->tok)
1100: term_word(p, "and");
1101:
1102: return(1);
1103: }
1104:
1105: static int
1.61 kristaps 1106: termp_an_pre(DECL_ARGS)
1107: {
1108:
1.86 kristaps 1109: if (NULL == n->child)
1.61 kristaps 1110: return(1);
1111:
1112: /*
1.85 kristaps 1113: * If not in the AUTHORS section, `An -split' will cause
1114: * newlines to occur before the author name. If in the AUTHORS
1115: * section, by default, the first `An' invocation is nosplit,
1116: * then all subsequent ones, regardless of whether interspersed
1117: * with other macros/text, are split. -split, in this case,
1118: * will override the condition of the implied first -nosplit.
1.61 kristaps 1119: */
1.264 schwarze 1120:
1.86 kristaps 1121: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1122: if ( ! (TERMP_ANPREC & p->flags)) {
1123: if (TERMP_SPLIT & p->flags)
1124: term_newln(p);
1125: return(1);
1126: }
1127: if (TERMP_NOSPLIT & p->flags)
1128: return(1);
1129: term_newln(p);
1130: return(1);
1131: }
1132:
1133: if (TERMP_SPLIT & p->flags)
1134: term_newln(p);
1135:
1136: return(1);
1137: }
1138:
1139: static void
1140: termp_an_post(DECL_ARGS)
1141: {
1142:
1.86 kristaps 1143: if (n->child) {
1144: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1145: p->flags |= TERMP_ANPREC;
1146: return;
1147: }
1148:
1.202 kristaps 1149: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1150: p->flags &= ~TERMP_NOSPLIT;
1151: p->flags |= TERMP_SPLIT;
1.202 kristaps 1152: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1153: p->flags &= ~TERMP_SPLIT;
1154: p->flags |= TERMP_NOSPLIT;
1155: }
1156:
1157: }
1158:
1159: static int
1.1 kristaps 1160: termp_ns_pre(DECL_ARGS)
1161: {
1162:
1.215 kristaps 1163: if ( ! (MDOC_LINE & n->flags))
1164: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1165: return(1);
1166: }
1167:
1168: static int
1169: termp_rs_pre(DECL_ARGS)
1170: {
1171:
1.86 kristaps 1172: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1173: return(1);
1.86 kristaps 1174: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1175: term_vspace(p);
1176: return(1);
1177: }
1178:
1179: static int
1180: termp_rv_pre(DECL_ARGS)
1181: {
1.223 kristaps 1182: int nchild;
1.1 kristaps 1183:
1184: term_newln(p);
1185:
1.223 kristaps 1186: nchild = n->nchild;
1.273 schwarze 1187: if (nchild > 0) {
1188: term_word(p, "The");
1.224 kristaps 1189:
1.273 schwarze 1190: for (n = n->child; n; n = n->next) {
1191: term_fontpush(p, TERMFONT_BOLD);
1192: term_word(p, n->string);
1193: term_fontpop(p);
1.223 kristaps 1194:
1195: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1196: term_word(p, "()");
1197:
1198: if (n->next == NULL)
1199: continue;
1200:
1201: if (nchild > 2) {
1202: p->flags |= TERMP_NOSPACE;
1203: term_word(p, ",");
1204: }
1205: if (n->next->next == NULL)
1206: term_word(p, "and");
1.223 kristaps 1207: }
1208:
1.273 schwarze 1209: if (nchild > 1)
1210: term_word(p, "functions return");
1211: else
1212: term_word(p, "function returns");
1213:
1214: term_word(p, "the value\\~0 if successful;");
1215: } else
1216: term_word(p, "Upon successful completion,"
1217: " the value\\~0 is returned;");
1.1 kristaps 1218:
1.273 schwarze 1219: term_word(p, "otherwise the value\\~\\-1 is returned"
1220: " and the global variable");
1.1 kristaps 1221:
1.102 kristaps 1222: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1223: term_word(p, "errno");
1.102 kristaps 1224: term_fontpop(p);
1.1 kristaps 1225:
1.264 schwarze 1226: term_word(p, "is set to indicate the error.");
1.131 kristaps 1227: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1228:
1.68 kristaps 1229: return(0);
1.1 kristaps 1230: }
1231:
1232: static int
1233: termp_ex_pre(DECL_ARGS)
1234: {
1.224 kristaps 1235: int nchild;
1.1 kristaps 1236:
1.224 kristaps 1237: term_newln(p);
1.68 kristaps 1238: term_word(p, "The");
1.1 kristaps 1239:
1.224 kristaps 1240: nchild = n->nchild;
1241: for (n = n->child; n; n = n->next) {
1.102 kristaps 1242: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1243: term_word(p, n->string);
1.102 kristaps 1244: term_fontpop(p);
1.224 kristaps 1245:
1246: if (nchild > 2 && n->next) {
1247: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1248: term_word(p, ",");
1.224 kristaps 1249: }
1250:
1251: if (n->next && NULL == n->next->next)
1252: term_word(p, "and");
1.68 kristaps 1253: }
1254:
1.224 kristaps 1255: if (nchild > 1)
1.273 schwarze 1256: term_word(p, "utilities exit\\~0");
1.68 kristaps 1257: else
1.273 schwarze 1258: term_word(p, "utility exits\\~0");
1.68 kristaps 1259:
1.273 schwarze 1260: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1261:
1.131 kristaps 1262: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1263: return(0);
1.1 kristaps 1264: }
1265:
1266: static int
1267: termp_nd_pre(DECL_ARGS)
1268: {
1.25 kristaps 1269:
1.86 kristaps 1270: if (MDOC_BODY != n->type)
1.25 kristaps 1271: return(1);
1.30 kristaps 1272:
1.27 kristaps 1273: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1274: term_word(p, "\\(en");
1.23 kristaps 1275: #else
1276: term_word(p, "\\(em");
1277: #endif
1.1 kristaps 1278: return(1);
1.115 kristaps 1279: }
1280:
1281: static int
1282: termp_bl_pre(DECL_ARGS)
1283: {
1284:
1285: return(MDOC_HEAD != n->type);
1.1 kristaps 1286: }
1287:
1288: static void
1289: termp_bl_post(DECL_ARGS)
1290: {
1291:
1.86 kristaps 1292: if (MDOC_BLOCK == n->type)
1.1 kristaps 1293: term_newln(p);
1294: }
1295:
1296: static int
1297: termp_xr_pre(DECL_ARGS)
1298: {
1299:
1.225 kristaps 1300: if (NULL == (n = n->child))
1.113 kristaps 1301: return(0);
1302:
1.225 kristaps 1303: assert(MDOC_TEXT == n->type);
1304: term_word(p, n->string);
1.11 kristaps 1305:
1.264 schwarze 1306: if (NULL == (n = n->next))
1.1 kristaps 1307: return(0);
1.225 kristaps 1308:
1.1 kristaps 1309: p->flags |= TERMP_NOSPACE;
1310: term_word(p, "(");
1.222 kristaps 1311: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1312:
1313: assert(MDOC_TEXT == n->type);
1314: term_word(p, n->string);
1315:
1.222 kristaps 1316: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1317: term_word(p, ")");
1.86 kristaps 1318:
1.1 kristaps 1319: return(0);
1320: }
1321:
1.143 kristaps 1322: /*
1323: * This decides how to assert whitespace before any of the SYNOPSIS set
1324: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1325: * macro combos).
1326: */
1327: static void
1328: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1329: {
1.264 schwarze 1330: /*
1.143 kristaps 1331: * Obviously, if we're not in a SYNOPSIS or no prior macros
1332: * exist, do nothing.
1333: */
1.160 kristaps 1334: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1335: return;
1336:
1337: /*
1338: * If we're the second in a pair of like elements, emit our
1339: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1340: * case we soldier on.
1341: */
1.264 schwarze 1342: if (n->prev->tok == n->tok &&
1343: MDOC_Ft != n->tok &&
1344: MDOC_Fo != n->tok &&
1345: MDOC_Fn != n->tok) {
1.143 kristaps 1346: term_newln(p);
1347: return;
1348: }
1349:
1350: /*
1351: * If we're one of the SYNOPSIS set and non-like pair-wise after
1352: * another (or Fn/Fo, which we've let slip through) then assert
1353: * vertical space, else only newline and move on.
1354: */
1355: switch (n->prev->tok) {
1.264 schwarze 1356: case MDOC_Fd:
1.143 kristaps 1357: /* FALLTHROUGH */
1.264 schwarze 1358: case MDOC_Fn:
1.143 kristaps 1359: /* FALLTHROUGH */
1.264 schwarze 1360: case MDOC_Fo:
1.143 kristaps 1361: /* FALLTHROUGH */
1.264 schwarze 1362: case MDOC_In:
1.143 kristaps 1363: /* FALLTHROUGH */
1.264 schwarze 1364: case MDOC_Vt:
1.143 kristaps 1365: term_vspace(p);
1366: break;
1.264 schwarze 1367: case MDOC_Ft:
1.143 kristaps 1368: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1369: term_vspace(p);
1370: break;
1371: }
1372: /* FALLTHROUGH */
1373: default:
1374: term_newln(p);
1375: break;
1376: }
1377: }
1378:
1.110 kristaps 1379: static int
1380: termp_vt_pre(DECL_ARGS)
1381: {
1382:
1.143 kristaps 1383: if (MDOC_ELEM == n->type) {
1384: synopsis_pre(p, n);
1.245 schwarze 1385: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1386: } else if (MDOC_BLOCK == n->type) {
1387: synopsis_pre(p, n);
1388: return(1);
1389: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1390: return(0);
1391:
1.245 schwarze 1392: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1393: }
1394:
1.1 kristaps 1395: static int
1.69 kristaps 1396: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1397: {
1398:
1.102 kristaps 1399: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1400: return(1);
1401: }
1402:
1.143 kristaps 1403: static int
1404: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1405: {
1406:
1.143 kristaps 1407: synopsis_pre(p, n);
1.245 schwarze 1408: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1409: }
1410:
1.241 schwarze 1411: static void
1412: termp_fd_post(DECL_ARGS)
1413: {
1414:
1415: term_newln(p);
1416: }
1417:
1.1 kristaps 1418: static int
1419: termp_sh_pre(DECL_ARGS)
1420: {
1.85 kristaps 1421:
1422: /* No vspace between consecutive `Sh' calls. */
1423:
1.86 kristaps 1424: switch (n->type) {
1.264 schwarze 1425: case MDOC_BLOCK:
1.86 kristaps 1426: if (n->prev && MDOC_Sh == n->prev->tok)
1427: if (NULL == n->prev->body->child)
1.65 kristaps 1428: break;
1429: term_vspace(p);
1430: break;
1.264 schwarze 1431: case MDOC_HEAD:
1.102 kristaps 1432: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1433: break;
1.264 schwarze 1434: case MDOC_BODY:
1.238 schwarze 1435: p->offset = term_len(p, p->defindent);
1.239 schwarze 1436: if (SEC_AUTHORS == n->sec)
1437: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1438: break;
1439: default:
1440: break;
1441: }
1442: return(1);
1443: }
1444:
1445: static void
1446: termp_sh_post(DECL_ARGS)
1447: {
1448:
1.86 kristaps 1449: switch (n->type) {
1.264 schwarze 1450: case MDOC_HEAD:
1.1 kristaps 1451: term_newln(p);
1452: break;
1.264 schwarze 1453: case MDOC_BODY:
1.1 kristaps 1454: term_newln(p);
1455: p->offset = 0;
1456: break;
1457: default:
1458: break;
1459: }
1460: }
1461:
1462: static int
1463: termp_bt_pre(DECL_ARGS)
1464: {
1465:
1466: term_word(p, "is currently in beta test.");
1.131 kristaps 1467: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1468: return(0);
1.1 kristaps 1469: }
1470:
1471: static void
1472: termp_lb_post(DECL_ARGS)
1473: {
1474:
1.122 kristaps 1475: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1476: term_newln(p);
1.1 kristaps 1477: }
1478:
1479: static int
1480: termp_ud_pre(DECL_ARGS)
1481: {
1482:
1483: term_word(p, "currently under development.");
1.131 kristaps 1484: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1485: return(0);
1.1 kristaps 1486: }
1487:
1488: static int
1489: termp_d1_pre(DECL_ARGS)
1490: {
1491:
1.86 kristaps 1492: if (MDOC_BLOCK != n->type)
1.1 kristaps 1493: return(1);
1494: term_newln(p);
1.238 schwarze 1495: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1496: return(1);
1497: }
1498:
1499: static int
1500: termp_ft_pre(DECL_ARGS)
1501: {
1502:
1.141 kristaps 1503: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1504: synopsis_pre(p, n);
1.102 kristaps 1505: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1506: return(1);
1507: }
1508:
1509: static int
1510: termp_fn_pre(DECL_ARGS)
1511: {
1.257 schwarze 1512: size_t rmargin = 0;
1.226 kristaps 1513: int pretty;
1514:
1515: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1516:
1.143 kristaps 1517: synopsis_pre(p, n);
1.139 kristaps 1518:
1.226 kristaps 1519: if (NULL == (n = n->child))
1520: return(0);
1521:
1.251 schwarze 1522: if (pretty) {
1523: rmargin = p->rmargin;
1.257 schwarze 1524: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1525: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1526: }
1527:
1.226 kristaps 1528: assert(MDOC_TEXT == n->type);
1.102 kristaps 1529: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1530: term_word(p, n->string);
1.102 kristaps 1531: term_fontpop(p);
1.1 kristaps 1532:
1.251 schwarze 1533: if (pretty) {
1534: term_flushln(p);
1.263 schwarze 1535: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1536: p->offset = p->rmargin;
1537: p->rmargin = rmargin;
1538: }
1539:
1.1 kristaps 1540: p->flags |= TERMP_NOSPACE;
1541: term_word(p, "(");
1.222 kristaps 1542: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1543:
1.226 kristaps 1544: for (n = n->next; n; n = n->next) {
1545: assert(MDOC_TEXT == n->type);
1.102 kristaps 1546: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1547: if (pretty)
1548: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1549: term_word(p, n->string);
1.102 kristaps 1550: term_fontpop(p);
1551:
1.226 kristaps 1552: if (n->next) {
1.222 kristaps 1553: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1554: term_word(p, ",");
1.222 kristaps 1555: }
1.1 kristaps 1556: }
1557:
1.222 kristaps 1558: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1559: term_word(p, ")");
1560:
1.226 kristaps 1561: if (pretty) {
1.222 kristaps 1562: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1563: term_word(p, ";");
1.251 schwarze 1564: term_flushln(p);
1.222 kristaps 1565: }
1.1 kristaps 1566:
1567: return(0);
1568: }
1569:
1570: static int
1571: termp_fa_pre(DECL_ARGS)
1572: {
1.86 kristaps 1573: const struct mdoc_node *nn;
1.1 kristaps 1574:
1.86 kristaps 1575: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1576: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1577: return(1);
1578: }
1579:
1.86 kristaps 1580: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1581: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1582: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1583: term_word(p, nn->string);
1.102 kristaps 1584: term_fontpop(p);
1585:
1.256 schwarze 1586: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1587: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1588: term_word(p, ",");
1.222 kristaps 1589: }
1.1 kristaps 1590: }
1591:
1592: return(0);
1593: }
1594:
1595: static int
1596: termp_bd_pre(DECL_ARGS)
1597: {
1.272 schwarze 1598: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1599: struct mdoc_node *nn;
1.1 kristaps 1600:
1.86 kristaps 1601: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1602: print_bvspace(p, n, n);
1.54 kristaps 1603: return(1);
1.116 kristaps 1604: } else if (MDOC_HEAD == n->type)
1605: return(0);
1.1 kristaps 1606:
1.202 kristaps 1607: if (n->norm->Bd.offs)
1608: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1609:
1610: /*
1611: * If -ragged or -filled are specified, the block does nothing
1612: * but change the indentation. If -unfilled or -literal are
1613: * specified, text is printed exactly as entered in the display:
1614: * for macro lines, a newline is appended to the line. Blank
1615: * lines are allowed.
1616: */
1.264 schwarze 1617:
1618: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1619: DISP_unfilled != n->norm->Bd.type &&
1620: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1621: return(1);
1622:
1.129 schwarze 1623: tabwidth = p->tabwidth;
1.208 kristaps 1624: if (DISP_literal == n->norm->Bd.type)
1625: p->tabwidth = term_len(p, 8);
1626:
1.272 schwarze 1627: lm = p->offset;
1.119 kristaps 1628: rm = p->rmargin;
1629: rmax = p->maxrmargin;
1.120 kristaps 1630: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1631:
1.86 kristaps 1632: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1633: if (DISP_centered == n->norm->Bd.type) {
1634: if (MDOC_TEXT == nn->type) {
1635: len = term_strlen(p, nn->string);
1636: p->offset = len >= rm ? 0 :
1637: lm + len >= rm ? rm - len :
1638: (lm + rm - len) / 2;
1639: } else
1640: p->offset = lm;
1641: }
1.245 schwarze 1642: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1643: /*
1644: * If the printed node flushes its own line, then we
1645: * needn't do it here as well. This is hacky, but the
1646: * notion of selective eoln whitespace is pretty dumb
1647: * anyway, so don't sweat it.
1648: */
1649: switch (nn->tok) {
1.264 schwarze 1650: case MDOC_Sm:
1.193 kristaps 1651: /* FALLTHROUGH */
1.264 schwarze 1652: case MDOC_br:
1.190 kristaps 1653: /* FALLTHROUGH */
1.264 schwarze 1654: case MDOC_sp:
1.190 kristaps 1655: /* FALLTHROUGH */
1.264 schwarze 1656: case MDOC_Bl:
1.196 kristaps 1657: /* FALLTHROUGH */
1.264 schwarze 1658: case MDOC_D1:
1.196 kristaps 1659: /* FALLTHROUGH */
1.264 schwarze 1660: case MDOC_Dl:
1.190 kristaps 1661: /* FALLTHROUGH */
1.264 schwarze 1662: case MDOC_Lp:
1.190 kristaps 1663: /* FALLTHROUGH */
1.264 schwarze 1664: case MDOC_Pp:
1.190 kristaps 1665: continue;
1666: default:
1667: break;
1668: }
1.180 schwarze 1669: if (nn->next && nn->next->line == nn->line)
1670: continue;
1671: term_flushln(p);
1672: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1673: }
1.147 kristaps 1674:
1.129 schwarze 1675: p->tabwidth = tabwidth;
1.119 kristaps 1676: p->rmargin = rm;
1677: p->maxrmargin = rmax;
1.1 kristaps 1678: return(0);
1679: }
1680:
1681: static void
1682: termp_bd_post(DECL_ARGS)
1683: {
1.119 kristaps 1684: size_t rm, rmax;
1.1 kristaps 1685:
1.264 schwarze 1686: if (MDOC_BODY != n->type)
1.1 kristaps 1687: return;
1.118 kristaps 1688:
1.119 kristaps 1689: rm = p->rmargin;
1690: rmax = p->maxrmargin;
1.118 kristaps 1691:
1.264 schwarze 1692: if (DISP_literal == n->norm->Bd.type ||
1693: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1694: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1695:
1.60 kristaps 1696: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1697: term_newln(p);
1.118 kristaps 1698:
1.119 kristaps 1699: p->rmargin = rm;
1700: p->maxrmargin = rmax;
1.1 kristaps 1701: }
1702:
1.211 kristaps 1703: static int
1704: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1705: {
1706:
1.211 kristaps 1707: if (NULL != (n = n->child)) {
1708: term_word(p, n->string);
1709: p->flags |= TERMP_NOSPACE;
1710: term_word(p, "BSD");
1711: } else {
1712: term_word(p, "BSD");
1713: return(0);
1714: }
1715:
1716: if (NULL != (n = n->next)) {
1717: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1718: term_word(p, "-");
1.1 kristaps 1719: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1720: term_word(p, n->string);
1.211 kristaps 1721: }
1722:
1723: return(0);
1.1 kristaps 1724: }
1725:
1726: static int
1.26 kristaps 1727: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1728: {
1.26 kristaps 1729: const char *pp;
1.218 schwarze 1730: int flags;
1.1 kristaps 1731:
1.26 kristaps 1732: pp = NULL;
1.86 kristaps 1733: switch (n->tok) {
1.264 schwarze 1734: case MDOC_Bsx:
1.194 schwarze 1735: pp = "BSD/OS";
1.26 kristaps 1736: break;
1.264 schwarze 1737: case MDOC_Dx:
1.100 kristaps 1738: pp = "DragonFly";
1.26 kristaps 1739: break;
1.264 schwarze 1740: case MDOC_Fx:
1.26 kristaps 1741: pp = "FreeBSD";
1742: break;
1.264 schwarze 1743: case MDOC_Nx:
1.26 kristaps 1744: pp = "NetBSD";
1745: break;
1.264 schwarze 1746: case MDOC_Ox:
1.26 kristaps 1747: pp = "OpenBSD";
1748: break;
1.264 schwarze 1749: case MDOC_Ux:
1.26 kristaps 1750: pp = "UNIX";
1751: break;
1752: default:
1.246 schwarze 1753: abort();
1754: /* NOTREACHED */
1.26 kristaps 1755: }
1.1 kristaps 1756:
1.26 kristaps 1757: term_word(p, pp);
1.214 kristaps 1758: if (n->child) {
1.218 schwarze 1759: flags = p->flags;
1.214 kristaps 1760: p->flags |= TERMP_KEEP;
1761: term_word(p, n->child->string);
1.218 schwarze 1762: p->flags = flags;
1.214 kristaps 1763: }
1764: return(0);
1.1 kristaps 1765: }
1766:
1767: static void
1768: termp_pf_post(DECL_ARGS)
1769: {
1770:
1771: p->flags |= TERMP_NOSPACE;
1772: }
1773:
1774: static int
1775: termp_ss_pre(DECL_ARGS)
1776: {
1777:
1.86 kristaps 1778: switch (n->type) {
1.264 schwarze 1779: case MDOC_BLOCK:
1.1 kristaps 1780: term_newln(p);
1.86 kristaps 1781: if (n->prev)
1.1 kristaps 1782: term_vspace(p);
1783: break;
1.264 schwarze 1784: case MDOC_HEAD:
1.102 kristaps 1785: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1786: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1787: break;
1.274 schwarze 1788: case MDOC_BODY:
1789: p->offset = term_len(p, p->defindent);
1790: break;
1.1 kristaps 1791: default:
1792: break;
1793: }
1794:
1795: return(1);
1796: }
1797:
1798: static void
1799: termp_ss_post(DECL_ARGS)
1800: {
1801:
1.274 schwarze 1802: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1803: term_newln(p);
1804: }
1805:
1806: static int
1807: termp_cd_pre(DECL_ARGS)
1808: {
1809:
1.143 kristaps 1810: synopsis_pre(p, n);
1.102 kristaps 1811: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1812: return(1);
1813: }
1814:
1815: static int
1816: termp_in_pre(DECL_ARGS)
1817: {
1.142 schwarze 1818:
1.143 kristaps 1819: synopsis_pre(p, n);
1.1 kristaps 1820:
1.160 kristaps 1821: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1822: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1823: term_word(p, "#include");
1.138 kristaps 1824: term_word(p, "<");
1825: } else {
1826: term_word(p, "<");
1827: term_fontpush(p, TERMFONT_UNDER);
1828: }
1.22 kristaps 1829:
1.1 kristaps 1830: p->flags |= TERMP_NOSPACE;
1831: return(1);
1832: }
1833:
1834: static void
1835: termp_in_post(DECL_ARGS)
1836: {
1837:
1.160 kristaps 1838: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1839: term_fontpush(p, TERMFONT_BOLD);
1840:
1.79 kristaps 1841: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1842: term_word(p, ">");
1843:
1.160 kristaps 1844: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1845: term_fontpop(p);
1.1 kristaps 1846: }
1847:
1848: static int
1.45 kristaps 1849: termp_sp_pre(DECL_ARGS)
1850: {
1.91 kristaps 1851: size_t i, len;
1.45 kristaps 1852:
1.86 kristaps 1853: switch (n->tok) {
1.264 schwarze 1854: case MDOC_sp:
1.157 kristaps 1855: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1856: break;
1.264 schwarze 1857: case MDOC_br:
1.76 kristaps 1858: len = 0;
1859: break;
1860: default:
1861: len = 1;
1862: break;
1.45 kristaps 1863: }
1864:
1865: if (0 == len)
1866: term_newln(p);
1867: for (i = 0; i < len; i++)
1868: term_vspace(p);
1869:
1870: return(0);
1871: }
1872:
1873: static int
1.268 schwarze 1874: termp_es_pre(DECL_ARGS)
1875: {
1876:
1877: return(0);
1878: }
1879:
1880: static int
1.188 kristaps 1881: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1882: {
1883:
1.203 kristaps 1884: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1885: return(1);
1886:
1.188 kristaps 1887: switch (n->tok) {
1.264 schwarze 1888: case MDOC_Ao:
1.188 kristaps 1889: /* FALLTHROUGH */
1.264 schwarze 1890: case MDOC_Aq:
1.188 kristaps 1891: term_word(p, "<");
1892: break;
1.264 schwarze 1893: case MDOC_Bro:
1.188 kristaps 1894: /* FALLTHROUGH */
1.264 schwarze 1895: case MDOC_Brq:
1.188 kristaps 1896: term_word(p, "{");
1897: break;
1.264 schwarze 1898: case MDOC_Oo:
1.188 kristaps 1899: /* FALLTHROUGH */
1.264 schwarze 1900: case MDOC_Op:
1.188 kristaps 1901: /* FALLTHROUGH */
1.264 schwarze 1902: case MDOC_Bo:
1.188 kristaps 1903: /* FALLTHROUGH */
1.264 schwarze 1904: case MDOC_Bq:
1.188 kristaps 1905: term_word(p, "[");
1906: break;
1.264 schwarze 1907: case MDOC_Do:
1.188 kristaps 1908: /* FALLTHROUGH */
1.264 schwarze 1909: case MDOC_Dq:
1.249 schwarze 1910: term_word(p, "\\(lq");
1.188 kristaps 1911: break;
1.268 schwarze 1912: case MDOC_En:
1913: if (NULL == n->norm->Es ||
1914: NULL == n->norm->Es->child)
1915: return(1);
1916: term_word(p, n->norm->Es->child->string);
1917: break;
1.264 schwarze 1918: case MDOC_Eo:
1.237 schwarze 1919: break;
1.264 schwarze 1920: case MDOC_Po:
1.188 kristaps 1921: /* FALLTHROUGH */
1.264 schwarze 1922: case MDOC_Pq:
1.188 kristaps 1923: term_word(p, "(");
1924: break;
1.264 schwarze 1925: case MDOC__T:
1.205 kristaps 1926: /* FALLTHROUGH */
1.264 schwarze 1927: case MDOC_Qo:
1.188 kristaps 1928: /* FALLTHROUGH */
1.264 schwarze 1929: case MDOC_Qq:
1.188 kristaps 1930: term_word(p, "\"");
1931: break;
1.264 schwarze 1932: case MDOC_Ql:
1.188 kristaps 1933: /* FALLTHROUGH */
1.264 schwarze 1934: case MDOC_So:
1.188 kristaps 1935: /* FALLTHROUGH */
1.264 schwarze 1936: case MDOC_Sq:
1.249 schwarze 1937: term_word(p, "\\(oq");
1.188 kristaps 1938: break;
1939: default:
1940: abort();
1941: /* NOTREACHED */
1942: }
1.1 kristaps 1943:
1944: p->flags |= TERMP_NOSPACE;
1945: return(1);
1946: }
1947:
1948: static void
1.188 kristaps 1949: termp_quote_post(DECL_ARGS)
1.1 kristaps 1950: {
1951:
1.203 kristaps 1952: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1953: return;
1954:
1.268 schwarze 1955: if (MDOC_En != n->tok)
1956: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1957:
1.188 kristaps 1958: switch (n->tok) {
1.264 schwarze 1959: case MDOC_Ao:
1.188 kristaps 1960: /* FALLTHROUGH */
1.264 schwarze 1961: case MDOC_Aq:
1.188 kristaps 1962: term_word(p, ">");
1963: break;
1.264 schwarze 1964: case MDOC_Bro:
1.188 kristaps 1965: /* FALLTHROUGH */
1.264 schwarze 1966: case MDOC_Brq:
1.188 kristaps 1967: term_word(p, "}");
1968: break;
1.264 schwarze 1969: case MDOC_Oo:
1.188 kristaps 1970: /* FALLTHROUGH */
1.264 schwarze 1971: case MDOC_Op:
1.188 kristaps 1972: /* FALLTHROUGH */
1.264 schwarze 1973: case MDOC_Bo:
1.188 kristaps 1974: /* FALLTHROUGH */
1.264 schwarze 1975: case MDOC_Bq:
1.188 kristaps 1976: term_word(p, "]");
1977: break;
1.264 schwarze 1978: case MDOC_Do:
1.188 kristaps 1979: /* FALLTHROUGH */
1.264 schwarze 1980: case MDOC_Dq:
1.249 schwarze 1981: term_word(p, "\\(rq");
1.268 schwarze 1982: break;
1983: case MDOC_En:
1984: if (NULL != n->norm->Es &&
1985: NULL != n->norm->Es->child &&
1986: NULL != n->norm->Es->child->next) {
1987: p->flags |= TERMP_NOSPACE;
1988: term_word(p, n->norm->Es->child->next->string);
1989: }
1.237 schwarze 1990: break;
1.264 schwarze 1991: case MDOC_Eo:
1.188 kristaps 1992: break;
1.264 schwarze 1993: case MDOC_Po:
1.188 kristaps 1994: /* FALLTHROUGH */
1.264 schwarze 1995: case MDOC_Pq:
1.188 kristaps 1996: term_word(p, ")");
1997: break;
1.264 schwarze 1998: case MDOC__T:
1.205 kristaps 1999: /* FALLTHROUGH */
1.264 schwarze 2000: case MDOC_Qo:
1.188 kristaps 2001: /* FALLTHROUGH */
1.264 schwarze 2002: case MDOC_Qq:
1.188 kristaps 2003: term_word(p, "\"");
2004: break;
1.264 schwarze 2005: case MDOC_Ql:
1.188 kristaps 2006: /* FALLTHROUGH */
1.264 schwarze 2007: case MDOC_So:
1.188 kristaps 2008: /* FALLTHROUGH */
1.264 schwarze 2009: case MDOC_Sq:
1.249 schwarze 2010: term_word(p, "\\(cq");
1.188 kristaps 2011: break;
2012: default:
2013: abort();
2014: /* NOTREACHED */
2015: }
1.1 kristaps 2016: }
2017:
2018: static int
2019: termp_fo_pre(DECL_ARGS)
2020: {
1.257 schwarze 2021: size_t rmargin = 0;
1.256 schwarze 2022: int pretty;
2023:
2024: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2025:
1.141 kristaps 2026: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2027: synopsis_pre(p, n);
1.141 kristaps 2028: return(1);
2029: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2030: if (pretty) {
2031: rmargin = p->rmargin;
1.257 schwarze 2032: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2033: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2034: TERMP_HANG;
1.256 schwarze 2035: }
1.33 kristaps 2036: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2037: term_word(p, "(");
1.222 kristaps 2038: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2039: if (pretty) {
2040: term_flushln(p);
1.263 schwarze 2041: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2042: TERMP_HANG);
1.256 schwarze 2043: p->offset = p->rmargin;
2044: p->rmargin = rmargin;
2045: }
1.1 kristaps 2046: return(1);
1.256 schwarze 2047: }
1.141 kristaps 2048:
1.169 kristaps 2049: if (NULL == n->child)
2050: return(0);
2051:
1.141 kristaps 2052: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2053:
1.141 kristaps 2054: assert(n->child->string);
1.102 kristaps 2055: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2056: term_word(p, n->child->string);
1.1 kristaps 2057: return(0);
2058: }
2059:
2060: static void
2061: termp_fo_post(DECL_ARGS)
2062: {
2063:
1.264 schwarze 2064: if (MDOC_BODY != n->type)
1.143 kristaps 2065: return;
2066:
1.222 kristaps 2067: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2068: term_word(p, ")");
2069:
1.222 kristaps 2070: if (MDOC_SYNPRETTY & n->flags) {
2071: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2072: term_word(p, ";");
1.256 schwarze 2073: term_flushln(p);
1.222 kristaps 2074: }
1.1 kristaps 2075: }
2076:
2077: static int
2078: termp_bf_pre(DECL_ARGS)
2079: {
2080:
1.86 kristaps 2081: if (MDOC_HEAD == n->type)
1.1 kristaps 2082: return(0);
1.244 schwarze 2083: else if (MDOC_BODY != n->type)
1.1 kristaps 2084: return(1);
2085:
1.264 schwarze 2086: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2087: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2088: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2089: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2090: else
1.102 kristaps 2091: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2092:
2093: return(1);
2094: }
2095:
2096: static int
2097: termp_sm_pre(DECL_ARGS)
2098: {
2099:
1.269 schwarze 2100: if (NULL == n->child)
2101: p->flags ^= TERMP_NONOSPACE;
2102: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2103: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2104: else
1.1 kristaps 2105: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2106:
2107: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2108: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2109:
2110: return(0);
2111: }
2112:
2113: static int
2114: termp_ap_pre(DECL_ARGS)
2115: {
2116:
2117: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2118: term_word(p, "'");
1.1 kristaps 2119: p->flags |= TERMP_NOSPACE;
2120: return(1);
2121: }
2122:
2123: static void
2124: termp____post(DECL_ARGS)
2125: {
1.184 kristaps 2126:
2127: /*
2128: * Handle lists of authors. In general, print each followed by
2129: * a comma. Don't print the comma if there are only two
2130: * authors.
2131: */
2132: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2133: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2134: if (NULL == n->prev || MDOC__A != n->prev->tok)
2135: return;
1.1 kristaps 2136:
1.95 kristaps 2137: /* TODO: %U. */
2138:
1.187 kristaps 2139: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2140: return;
2141:
1.222 kristaps 2142: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2143: if (NULL == n->next) {
2144: term_word(p, ".");
2145: p->flags |= TERMP_SENTENCE;
2146: } else
2147: term_word(p, ",");
1.1 kristaps 2148: }
2149:
2150: static int
1.102 kristaps 2151: termp_li_pre(DECL_ARGS)
2152: {
2153:
2154: term_fontpush(p, TERMFONT_NONE);
2155: return(1);
2156: }
2157:
2158: static int
1.1 kristaps 2159: termp_lk_pre(DECL_ARGS)
2160: {
1.240 schwarze 2161: const struct mdoc_node *link, *descr;
1.1 kristaps 2162:
1.240 schwarze 2163: if (NULL == (link = n->child))
2164: return(0);
1.181 kristaps 2165:
1.240 schwarze 2166: if (NULL != (descr = link->next)) {
2167: term_fontpush(p, TERMFONT_UNDER);
2168: while (NULL != descr) {
2169: term_word(p, descr->string);
2170: descr = descr->next;
2171: }
2172: p->flags |= TERMP_NOSPACE;
2173: term_word(p, ":");
2174: term_fontpop(p);
2175: }
1.1 kristaps 2176:
1.102 kristaps 2177: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2178: term_word(p, link->string);
1.102 kristaps 2179: term_fontpop(p);
1.12 kristaps 2180:
1.1 kristaps 2181: return(0);
2182: }
2183:
1.159 schwarze 2184: static int
2185: termp_bk_pre(DECL_ARGS)
2186: {
2187:
1.161 schwarze 2188: switch (n->type) {
1.264 schwarze 2189: case MDOC_BLOCK:
1.166 kristaps 2190: break;
1.264 schwarze 2191: case MDOC_HEAD:
1.161 schwarze 2192: return(0);
1.264 schwarze 2193: case MDOC_BODY:
1.200 schwarze 2194: if (n->parent->args || 0 == n->prev->nchild)
2195: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2196: break;
1.161 schwarze 2197: default:
2198: abort();
1.166 kristaps 2199: /* NOTREACHED */
1.161 schwarze 2200: }
1.166 kristaps 2201:
2202: return(1);
1.159 schwarze 2203: }
2204:
2205: static void
2206: termp_bk_post(DECL_ARGS)
2207: {
2208:
1.253 schwarze 2209: if (MDOC_BODY == n->type)
1.161 schwarze 2210: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2211: }
2212:
2213: static void
2214: termp__t_post(DECL_ARGS)
2215: {
2216:
2217: /*
2218: * If we're in an `Rs' and there's a journal present, then quote
2219: * us instead of underlining us (for disambiguation).
2220: */
1.217 schwarze 2221: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2222: n->parent->norm->Rs.quote_T)
1.245 schwarze 2223: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2224:
1.245 schwarze 2225: termp____post(p, pair, meta, n);
1.203 kristaps 2226: }
2227:
2228: static int
2229: termp__t_pre(DECL_ARGS)
2230: {
2231:
2232: /*
2233: * If we're in an `Rs' and there's a journal present, then quote
2234: * us instead of underlining us (for disambiguation).
2235: */
2236: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2237: n->parent->norm->Rs.quote_T)
1.245 schwarze 2238: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2239:
2240: term_fontpush(p, TERMFONT_UNDER);
2241: return(1);
1.159 schwarze 2242: }
1.1 kristaps 2243:
2244: static int
1.69 kristaps 2245: termp_under_pre(DECL_ARGS)
1.1 kristaps 2246: {
2247:
1.102 kristaps 2248: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2249: return(1);
2250: }
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