Annotation of mandoc/mdoc_term.c, Revision 1.272
1.272 ! schwarze 1: /* $Id: mdoc_term.c,v 1.271 2014/07/07 15:03:43 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: #ifdef HAVE_CONFIG_H
20: #include "config.h"
21: #endif
22:
1.1 kristaps 23: #include <sys/types.h>
24:
25: #include <assert.h>
26: #include <ctype.h>
1.118 kristaps 27: #include <stdint.h>
1.1 kristaps 28: #include <stdio.h>
29: #include <stdlib.h>
30: #include <string.h>
31:
1.125 kristaps 32: #include "mandoc.h"
1.266 schwarze 33: #include "mandoc_aux.h"
1.92 kristaps 34: #include "out.h"
1.1 kristaps 35: #include "term.h"
36: #include "mdoc.h"
1.89 kristaps 37: #include "main.h"
1.1 kristaps 38:
39: struct termpair {
40: struct termpair *ppair;
1.31 kristaps 41: int count;
1.1 kristaps 42: };
43:
1.31 kristaps 44: #define DECL_ARGS struct termp *p, \
45: struct termpair *pair, \
1.264 schwarze 46: const struct mdoc_meta *meta, \
1.244 schwarze 47: struct mdoc_node *n
1.1 kristaps 48:
49: struct termact {
50: int (*pre)(DECL_ARGS);
51: void (*post)(DECL_ARGS);
52: };
53:
1.157 kristaps 54: static size_t a2width(const struct termp *, const char *);
55: static size_t a2height(const struct termp *, const char *);
56: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 57:
58: static void print_bvspace(struct termp *,
1.151 kristaps 59: const struct mdoc_node *,
1.96 kristaps 60: const struct mdoc_node *);
1.264 schwarze 61: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 62: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 63: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 64: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 65: static void synopsis_pre(struct termp *,
1.143 kristaps 66: const struct mdoc_node *);
1.96 kristaps 67:
1.31 kristaps 68: static void termp____post(DECL_ARGS);
1.203 kristaps 69: static void termp__t_post(DECL_ARGS);
1.61 kristaps 70: static void termp_an_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 72: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 73: static void termp_bl_post(DECL_ARGS);
1.241 schwarze 74: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 75: static void termp_fo_post(DECL_ARGS);
76: static void termp_in_post(DECL_ARGS);
77: static void termp_it_post(DECL_ARGS);
78: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 79: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 80: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 81: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 82: static void termp_sh_post(DECL_ARGS);
83: static void termp_ss_post(DECL_ARGS);
84:
1.184 kristaps 85: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 86: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 87: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 88: static int termp_ap_pre(DECL_ARGS);
89: static int termp_bd_pre(DECL_ARGS);
90: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 91: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 92: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 93: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 95: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 96: static int termp_cd_pre(DECL_ARGS);
97: static int termp_d1_pre(DECL_ARGS);
1.268 schwarze 98: static int termp_es_pre(DECL_ARGS);
1.31 kristaps 99: static int termp_ex_pre(DECL_ARGS);
100: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 101: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 102: static int termp_fl_pre(DECL_ARGS);
103: static int termp_fn_pre(DECL_ARGS);
104: static int termp_fo_pre(DECL_ARGS);
105: static int termp_ft_pre(DECL_ARGS);
106: static int termp_in_pre(DECL_ARGS);
107: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 108: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 109: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 110: static int termp_lk_pre(DECL_ARGS);
111: static int termp_nd_pre(DECL_ARGS);
112: static int termp_nm_pre(DECL_ARGS);
113: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 114: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 115: static int termp_rs_pre(DECL_ARGS);
116: static int termp_rv_pre(DECL_ARGS);
117: static int termp_sh_pre(DECL_ARGS);
118: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 119: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 121: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 123: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 124: static int termp_xr_pre(DECL_ARGS);
125: static int termp_xx_pre(DECL_ARGS);
126:
1.70 kristaps 127: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 128: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 129: { NULL, NULL }, /* Dd */
130: { NULL, NULL }, /* Dt */
131: { NULL, NULL }, /* Os */
132: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 133: { termp_ss_pre, termp_ss_post }, /* Ss */
134: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 135: { termp_d1_pre, termp_bl_post }, /* D1 */
136: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 137: { termp_bd_pre, termp_bd_post }, /* Bd */
138: { NULL, NULL }, /* Ed */
1.115 kristaps 139: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 140: { NULL, NULL }, /* El */
141: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 142: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 143: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 144: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 145: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 146: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 147: { NULL, NULL }, /* Dv */
148: { NULL, NULL }, /* Er */
149: { NULL, NULL }, /* Ev */
1.1 kristaps 150: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 151: { termp_fa_pre, NULL }, /* Fa */
152: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 153: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 154: { termp_fn_pre, NULL }, /* Fn */
155: { termp_ft_pre, NULL }, /* Ft */
156: { termp_bold_pre, NULL }, /* Ic */
157: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 158: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 159: { termp_nd_pre, NULL }, /* Nd */
160: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 161: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 162: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 163: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 164: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 165: { NULL, NULL }, /* St */
1.69 kristaps 166: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 167: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 168: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 169: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 171: { NULL, termp____post }, /* %D */
1.84 kristaps 172: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 173: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 174: { NULL, termp____post }, /* %N */
175: { NULL, termp____post }, /* %O */
176: { NULL, termp____post }, /* %P */
177: { NULL, termp____post }, /* %R */
1.203 kristaps 178: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 179: { NULL, termp____post }, /* %V */
180: { NULL, NULL }, /* Ac */
1.188 kristaps 181: { termp_quote_pre, termp_quote_post }, /* Ao */
182: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 183: { NULL, NULL }, /* At */
1.1 kristaps 184: { NULL, NULL }, /* Bc */
1.264 schwarze 185: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 186: { termp_quote_pre, termp_quote_post }, /* Bo */
187: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 188: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 189: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 190: { NULL, NULL }, /* Db */
191: { NULL, NULL }, /* Dc */
1.188 kristaps 192: { termp_quote_pre, termp_quote_post }, /* Do */
193: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 194: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 195: { NULL, NULL }, /* Ef */
1.264 schwarze 196: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 197: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 198: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 199: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 200: { NULL, NULL }, /* No */
1.1 kristaps 201: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 202: { termp_xx_pre, NULL }, /* Nx */
203: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 204: { NULL, NULL }, /* Pc */
1.254 schwarze 205: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 206: { termp_quote_pre, termp_quote_post }, /* Po */
207: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 208: { NULL, NULL }, /* Qc */
1.188 kristaps 209: { termp_quote_pre, termp_quote_post }, /* Ql */
210: { termp_quote_pre, termp_quote_post }, /* Qo */
211: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 212: { NULL, NULL }, /* Re */
213: { termp_rs_pre, NULL }, /* Rs */
214: { NULL, NULL }, /* Sc */
1.188 kristaps 215: { termp_quote_pre, termp_quote_post }, /* So */
216: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 217: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 218: { termp_under_pre, NULL }, /* Sx */
219: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 220: { NULL, NULL }, /* Tn */
1.26 kristaps 221: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 222: { NULL, NULL }, /* Xc */
223: { NULL, NULL }, /* Xo */
1.264 schwarze 224: { termp_fo_pre, termp_fo_post }, /* Fo */
225: { NULL, NULL }, /* Fc */
1.188 kristaps 226: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 227: { NULL, NULL }, /* Oc */
1.159 schwarze 228: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 229: { NULL, NULL }, /* Ek */
230: { termp_bt_pre, NULL }, /* Bt */
231: { NULL, NULL }, /* Hf */
1.268 schwarze 232: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 233: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 234: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 235: { termp_sp_pre, NULL }, /* Lp */
236: { termp_lk_pre, NULL }, /* Lk */
237: { termp_under_pre, NULL }, /* Mt */
238: { termp_quote_pre, termp_quote_post }, /* Brq */
239: { termp_quote_pre, termp_quote_post }, /* Bro */
240: { NULL, NULL }, /* Brc */
241: { NULL, termp____post }, /* %C */
1.268 schwarze 242: { termp_es_pre, NULL }, /* Es */
243: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 244: { termp_xx_pre, NULL }, /* Dx */
245: { NULL, termp____post }, /* %Q */
1.76 kristaps 246: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 247: { termp_sp_pre, NULL }, /* sp */
248: { NULL, termp____post }, /* %U */
249: { NULL, NULL }, /* Ta */
1.260 schwarze 250: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 251: };
252:
253:
1.70 kristaps 254: void
1.89 kristaps 255: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 256: {
1.70 kristaps 257: const struct mdoc_node *n;
1.245 schwarze 258: const struct mdoc_meta *meta;
1.89 kristaps 259: struct termp *p;
260:
261: p = (struct termp *)arg;
1.111 kristaps 262:
1.238 schwarze 263: if (0 == p->defindent)
264: p->defindent = 5;
265:
1.111 kristaps 266: p->overstep = 0;
1.123 joerg 267: p->maxrmargin = p->defrmargin;
1.157 kristaps 268: p->tabwidth = term_len(p, 5);
1.89 kristaps 269:
270: if (NULL == p->symtab)
1.230 kristaps 271: p->symtab = mchars_alloc();
1.70 kristaps 272:
273: n = mdoc_node(mdoc);
1.245 schwarze 274: meta = mdoc_meta(mdoc);
1.146 schwarze 275:
1.245 schwarze 276: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 277:
1.271 schwarze 278: if (n->child) {
279: if (MDOC_Sh != n->child->tok)
280: term_vspace(p);
1.245 schwarze 281: print_mdoc_nodelist(p, NULL, meta, n->child);
1.271 schwarze 282: }
1.144 kristaps 283:
284: term_end(p);
1.1 kristaps 285: }
286:
1.3 kristaps 287: static void
1.102 kristaps 288: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 289: {
290:
1.245 schwarze 291: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 292: if (n->next)
1.245 schwarze 293: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 294: }
295:
1.3 kristaps 296: static void
1.102 kristaps 297: print_mdoc_node(DECL_ARGS)
1.1 kristaps 298: {
1.102 kristaps 299: int chld;
1.1 kristaps 300: struct termpair npair;
1.30 kristaps 301: size_t offset, rmargin;
1.1 kristaps 302:
1.70 kristaps 303: chld = 1;
1.29 kristaps 304: offset = p->offset;
1.30 kristaps 305: rmargin = p->rmargin;
1.244 schwarze 306: n->prev_font = term_fontq(p);
1.29 kristaps 307:
1.97 kristaps 308: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 309: npair.ppair = pair;
1.172 kristaps 310:
311: /*
312: * Keeps only work until the end of a line. If a keep was
313: * invoked in a prior line, revert it to PREKEEP.
314: */
315:
1.253 schwarze 316: if (TERMP_KEEP & p->flags) {
1.252 schwarze 317: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 318: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 319: p->flags &= ~TERMP_KEEP;
320: p->flags |= TERMP_PREKEEP;
321: }
322: }
1.197 schwarze 323:
324: /*
1.217 schwarze 325: * After the keep flags have been set up, we may now
326: * produce output. Note that some pre-handlers do so.
327: */
328:
329: switch (n->type) {
1.264 schwarze 330: case MDOC_TEXT:
1.217 schwarze 331: if (' ' == *n->string && MDOC_LINE & n->flags)
332: term_newln(p);
1.222 kristaps 333: if (MDOC_DELIMC & n->flags)
334: p->flags |= TERMP_NOSPACE;
1.217 schwarze 335: term_word(p, n->string);
1.222 kristaps 336: if (MDOC_DELIMO & n->flags)
337: p->flags |= TERMP_NOSPACE;
1.217 schwarze 338: break;
1.264 schwarze 339: case MDOC_EQN:
1.233 kristaps 340: term_eqn(p, n->eqn);
1.217 schwarze 341: break;
1.264 schwarze 342: case MDOC_TBL:
1.217 schwarze 343: term_tbl(p, n->span);
344: break;
345: default:
346: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
347: chld = (*termacts[n->tok].pre)
1.245 schwarze 348: (p, &npair, meta, n);
1.217 schwarze 349: break;
350: }
351:
1.86 kristaps 352: if (chld && n->child)
1.245 schwarze 353: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 354:
1.244 schwarze 355: term_fontpopq(p,
356: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 357:
1.206 kristaps 358: switch (n->type) {
1.264 schwarze 359: case MDOC_TEXT:
1.206 kristaps 360: break;
1.264 schwarze 361: case MDOC_TBL:
1.216 kristaps 362: break;
1.264 schwarze 363: case MDOC_EQN:
1.206 kristaps 364: break;
365: default:
366: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
367: break;
1.245 schwarze 368: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 369:
370: /*
371: * Explicit end tokens not only call the post
372: * handler, but also tell the respective block
373: * that it must not call the post handler again.
374: */
1.165 kristaps 375: if (ENDBODY_NOT != n->end)
1.162 schwarze 376: n->pending->flags |= MDOC_ENDED;
377:
378: /*
379: * End of line terminating an implicit block
380: * while an explicit block is still open.
381: * Continue the explicit block without spacing.
382: */
383: if (ENDBODY_NOSPACE == n->end)
384: p->flags |= TERMP_NOSPACE;
1.206 kristaps 385: break;
1.162 schwarze 386: }
1.121 kristaps 387:
388: if (MDOC_EOS & n->flags)
389: p->flags |= TERMP_SENTENCE;
1.29 kristaps 390:
1.260 schwarze 391: if (MDOC_ll != n->tok) {
392: p->offset = offset;
393: p->rmargin = rmargin;
394: }
1.1 kristaps 395: }
396:
1.3 kristaps 397: static void
1.145 kristaps 398: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 399: {
1.245 schwarze 400: const struct mdoc_meta *meta;
1.144 kristaps 401:
1.245 schwarze 402: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 403:
1.102 kristaps 404: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 405:
1.264 schwarze 406: /*
1.9 kristaps 407: * Output the footer in new-groff style, that is, three columns
408: * with the middle being the manual date and flanking columns
409: * being the operating system:
410: *
411: * SYSTEM DATE SYSTEM
412: */
413:
1.1 kristaps 414: term_vspace(p);
415:
1.9 kristaps 416: p->offset = 0;
1.264 schwarze 417: p->rmargin = (p->maxrmargin -
418: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 419: p->trailspace = 1;
1.1 kristaps 420: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
421:
1.245 schwarze 422: term_word(p, meta->os);
1.1 kristaps 423: term_flushln(p);
424:
1.9 kristaps 425: p->offset = p->rmargin;
1.245 schwarze 426: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 427: p->flags |= TERMP_NOSPACE;
1.9 kristaps 428:
1.245 schwarze 429: term_word(p, meta->date);
1.9 kristaps 430: term_flushln(p);
431:
1.1 kristaps 432: p->offset = p->rmargin;
433: p->rmargin = p->maxrmargin;
1.250 schwarze 434: p->trailspace = 0;
1.1 kristaps 435: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 436: p->flags |= TERMP_NOSPACE;
1.1 kristaps 437:
1.245 schwarze 438: term_word(p, meta->os);
1.1 kristaps 439: term_flushln(p);
440:
1.9 kristaps 441: p->offset = 0;
442: p->rmargin = p->maxrmargin;
443: p->flags = 0;
1.1 kristaps 444: }
445:
1.3 kristaps 446: static void
1.144 kristaps 447: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 448: {
1.266 schwarze 449: const struct mdoc_meta *meta;
1.267 schwarze 450: char *volume, *title;
451: size_t vollen, titlen;
1.144 kristaps 452:
1.245 schwarze 453: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 454:
455: /*
456: * The header is strange. It has three components, which are
457: * really two with the first duplicated. It goes like this:
458: *
459: * IDENTIFIER TITLE IDENTIFIER
460: *
461: * The IDENTIFIER is NAME(SECTION), which is the command-name
462: * (if given, or "unknown" if not) followed by the manual page
463: * section. These are given in `Dt'. The TITLE is a free-form
464: * string depending on the manual volume. If not specified, it
465: * switches on the manual section.
466: */
467:
1.235 schwarze 468: p->offset = 0;
469: p->rmargin = p->maxrmargin;
470:
1.245 schwarze 471: assert(meta->vol);
1.267 schwarze 472: if (NULL == meta->arch)
473: volume = mandoc_strdup(meta->vol);
474: else
475: mandoc_asprintf(&volume, "%s (%s)",
476: meta->vol, meta->arch);
477: vollen = term_strlen(p, volume);
1.1 kristaps 478:
1.266 schwarze 479: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.235 schwarze 480: titlen = term_strlen(p, title);
1.1 kristaps 481:
1.235 schwarze 482: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 483: p->trailspace = 1;
1.1 kristaps 484: p->offset = 0;
1.267 schwarze 485: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
486: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
487: p->maxrmargin - vollen;
1.1 kristaps 488:
489: term_word(p, title);
490: term_flushln(p);
491:
1.235 schwarze 492: p->flags |= TERMP_NOSPACE;
1.1 kristaps 493: p->offset = p->rmargin;
1.267 schwarze 494: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 495: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 496:
1.267 schwarze 497: term_word(p, volume);
1.1 kristaps 498: term_flushln(p);
499:
500: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 501: p->trailspace = 0;
1.235 schwarze 502: if (p->rmargin + titlen <= p->maxrmargin) {
503: p->flags |= TERMP_NOSPACE;
504: p->offset = p->rmargin;
505: p->rmargin = p->maxrmargin;
506: term_word(p, title);
507: term_flushln(p);
508: }
1.1 kristaps 509:
1.235 schwarze 510: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 511: p->offset = 0;
1.1 kristaps 512: p->rmargin = p->maxrmargin;
1.266 schwarze 513: free(title);
1.267 schwarze 514: free(volume);
1.1 kristaps 515: }
516:
517: static size_t
1.157 kristaps 518: a2height(const struct termp *p, const char *v)
1.1 kristaps 519: {
1.92 kristaps 520: struct roffsu su;
1.91 kristaps 521:
1.231 kristaps 522:
1.157 kristaps 523: assert(v);
524: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 525: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 526:
1.157 kristaps 527: return(term_vspan(p, &su));
1.91 kristaps 528: }
1.1 kristaps 529:
1.91 kristaps 530: static size_t
1.157 kristaps 531: a2width(const struct termp *p, const char *v)
1.91 kristaps 532: {
1.92 kristaps 533: struct roffsu su;
1.1 kristaps 534:
1.154 kristaps 535: assert(v);
536: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 537: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 538:
1.157 kristaps 539: return(term_hspan(p, &su));
1.1 kristaps 540: }
541:
542: static size_t
1.157 kristaps 543: a2offs(const struct termp *p, const char *v)
1.1 kristaps 544: {
1.92 kristaps 545: struct roffsu su;
1.1 kristaps 546:
1.148 kristaps 547: if ('\0' == *v)
1.91 kristaps 548: return(0);
1.148 kristaps 549: else if (0 == strcmp(v, "left"))
1.19 kristaps 550: return(0);
1.148 kristaps 551: else if (0 == strcmp(v, "indent"))
1.238 schwarze 552: return(term_len(p, p->defindent + 1));
1.148 kristaps 553: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 554: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 555: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 556: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 557:
1.157 kristaps 558: return(term_hspan(p, &su));
1.1 kristaps 559: }
560:
1.108 kristaps 561: /*
562: * Determine how much space to print out before block elements of `It'
563: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
564: * too.
565: */
1.54 kristaps 566: static void
1.264 schwarze 567: print_bvspace(struct termp *p,
568: const struct mdoc_node *bl,
569: const struct mdoc_node *n)
1.1 kristaps 570: {
1.86 kristaps 571: const struct mdoc_node *nn;
1.236 schwarze 572:
573: assert(n);
1.1 kristaps 574:
575: term_newln(p);
1.150 kristaps 576:
1.202 kristaps 577: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 578: return;
1.202 kristaps 579: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 580: return;
581:
1.85 kristaps 582: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 583:
1.86 kristaps 584: for (nn = n; nn; nn = nn->parent) {
585: if (MDOC_BLOCK != nn->type)
1.1 kristaps 586: continue;
1.86 kristaps 587: if (MDOC_Ss == nn->tok)
1.54 kristaps 588: return;
1.86 kristaps 589: if (MDOC_Sh == nn->tok)
1.54 kristaps 590: return;
1.86 kristaps 591: if (NULL == nn->prev)
1.1 kristaps 592: continue;
593: break;
594: }
595:
1.85 kristaps 596: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 597:
1.202 kristaps 598: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 599: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 600: return;
601:
1.85 kristaps 602: /* A `-diag' without body does not vspace. */
603:
1.202 kristaps 604: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 605: if (n->prev && MDOC_It == n->prev->tok) {
606: assert(n->prev->body);
607: if (NULL == n->prev->body->child)
1.55 kristaps 608: return;
609: }
610:
1.54 kristaps 611: term_vspace(p);
1.260 schwarze 612: }
613:
614:
615: static int
616: termp_ll_pre(DECL_ARGS)
617: {
618:
1.261 schwarze 619: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 620: return(0);
1.1 kristaps 621: }
622:
623: static int
624: termp_it_pre(DECL_ARGS)
625: {
1.86 kristaps 626: const struct mdoc_node *bl, *nn;
1.265 schwarze 627: char buf[24];
1.264 schwarze 628: int i;
629: size_t width, offset, ncols, dcol;
1.126 kristaps 630: enum mdoc_list type;
1.1 kristaps 631:
1.86 kristaps 632: if (MDOC_BLOCK == n->type) {
1.151 kristaps 633: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 634: return(1);
635: }
1.1 kristaps 636:
1.86 kristaps 637: bl = n->parent->parent->parent;
1.202 kristaps 638: type = bl->norm->Bl.type;
1.1 kristaps 639:
1.264 schwarze 640: /*
1.108 kristaps 641: * First calculate width and offset. This is pretty easy unless
642: * we're a -column list, in which case all prior columns must
643: * be accounted for.
644: */
645:
646: width = offset = 0;
647:
1.202 kristaps 648: if (bl->norm->Bl.offs)
649: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 650:
1.1 kristaps 651: switch (type) {
1.264 schwarze 652: case LIST_column:
1.134 kristaps 653: if (MDOC_HEAD == n->type)
1.1 kristaps 654: break;
1.155 kristaps 655:
1.105 kristaps 656: /*
1.108 kristaps 657: * Imitate groff's column handling:
658: * - For each earlier column, add its width.
659: * - For less than 5 columns, add four more blanks per
660: * column.
661: * - For exactly 5 columns, add three more blank per
662: * column.
663: * - For more than 5 columns, add only one column.
1.105 kristaps 664: */
1.202 kristaps 665: ncols = bl->norm->Bl.ncols;
1.264 schwarze 666: dcol = ncols < 5 ? term_len(p, 4) :
667: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 668:
1.134 kristaps 669: /*
670: * Calculate the offset by applying all prior MDOC_BODY,
671: * so we stop at the MDOC_HEAD (NULL == nn->prev).
672: */
673:
1.264 schwarze 674: for (i = 0, nn = n->prev;
675: nn->prev && i < (int)ncols;
676: nn = nn->prev, i++)
677: offset += dcol + a2width(p,
678: bl->norm->Bl.cols[i]);
1.105 kristaps 679:
680: /*
1.108 kristaps 681: * When exceeding the declared number of columns, leave
682: * the remaining widths at 0. This will later be
683: * adjusted to the default width of 10, or, for the last
684: * column, stretched to the right margin.
1.58 kristaps 685: */
1.108 kristaps 686: if (i >= (int)ncols)
687: break;
1.58 kristaps 688:
1.105 kristaps 689: /*
1.108 kristaps 690: * Use the declared column widths, extended as explained
691: * in the preceding paragraph.
1.105 kristaps 692: */
1.202 kristaps 693: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 694: break;
695: default:
1.202 kristaps 696: if (NULL == bl->norm->Bl.width)
1.108 kristaps 697: break;
698:
1.264 schwarze 699: /*
1.108 kristaps 700: * Note: buffer the width by 2, which is groff's magic
701: * number for buffering single arguments. See the above
702: * handling for column for how this changes.
703: */
1.202 kristaps 704: assert(bl->norm->Bl.width);
705: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 706: break;
707: }
708:
1.264 schwarze 709: /*
1.1 kristaps 710: * List-type can override the width in the case of fixed-head
711: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 712: * offset.
1.1 kristaps 713: */
714:
715: switch (type) {
1.264 schwarze 716: case LIST_bullet:
1.1 kristaps 717: /* FALLTHROUGH */
1.264 schwarze 718: case LIST_dash:
1.1 kristaps 719: /* FALLTHROUGH */
1.264 schwarze 720: case LIST_hyphen:
1.242 schwarze 721: /* FALLTHROUGH */
1.264 schwarze 722: case LIST_enum:
1.242 schwarze 723: if (width < term_len(p, 2))
724: width = term_len(p, 2);
1.17 kristaps 725: break;
1.264 schwarze 726: case LIST_hang:
1.39 kristaps 727: if (0 == width)
1.157 kristaps 728: width = term_len(p, 8);
1.39 kristaps 729: break;
1.264 schwarze 730: case LIST_column:
1.49 kristaps 731: /* FALLTHROUGH */
1.264 schwarze 732: case LIST_tag:
1.1 kristaps 733: if (0 == width)
1.157 kristaps 734: width = term_len(p, 10);
1.1 kristaps 735: break;
736: default:
737: break;
738: }
739:
1.264 schwarze 740: /*
1.17 kristaps 741: * Whitespace control. Inset bodies need an initial space,
742: * while diagonal bodies need two.
1.1 kristaps 743: */
744:
1.51 kristaps 745: p->flags |= TERMP_NOSPACE;
746:
1.1 kristaps 747: switch (type) {
1.264 schwarze 748: case LIST_diag:
1.86 kristaps 749: if (MDOC_BODY == n->type)
1.62 kristaps 750: term_word(p, "\\ \\ ");
1.51 kristaps 751: break;
1.264 schwarze 752: case LIST_inset:
1.270 schwarze 753: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 754: term_word(p, "\\ ");
1.1 kristaps 755: break;
756: default:
757: break;
758: }
759:
1.51 kristaps 760: p->flags |= TERMP_NOSPACE;
761:
1.1 kristaps 762: switch (type) {
1.264 schwarze 763: case LIST_diag:
1.86 kristaps 764: if (MDOC_HEAD == n->type)
1.102 kristaps 765: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 766: break;
767: default:
768: break;
769: }
770:
771: /*
1.109 kristaps 772: * Pad and break control. This is the tricky part. These flags
773: * are documented in term_flushln() in term.c. Note that we're
774: * going to unset all of these flags in termp_it_post() when we
775: * exit.
1.1 kristaps 776: */
777:
778: switch (type) {
1.264 schwarze 779: case LIST_enum:
1.242 schwarze 780: /*
781: * Weird special case.
782: * Very narrow enum lists actually hang.
783: */
784: if (width == term_len(p, 2))
785: p->flags |= TERMP_HANG;
786: /* FALLTHROUGH */
1.264 schwarze 787: case LIST_bullet:
1.1 kristaps 788: /* FALLTHROUGH */
1.264 schwarze 789: case LIST_dash:
1.1 kristaps 790: /* FALLTHROUGH */
1.264 schwarze 791: case LIST_hyphen:
1.250 schwarze 792: if (MDOC_HEAD != n->type)
793: break;
794: p->flags |= TERMP_NOBREAK;
795: p->trailspace = 1;
1.39 kristaps 796: break;
1.264 schwarze 797: case LIST_hang:
1.250 schwarze 798: if (MDOC_HEAD != n->type)
1.59 kristaps 799: break;
800:
801: /*
802: * This is ugly. If `-hang' is specified and the body
803: * is a `Bl' or `Bd', then we want basically to nullify
804: * the "overstep" effect in term_flushln() and treat
805: * this as a `-ohang' list instead.
806: */
1.264 schwarze 807: if (n->next->child &&
808: (MDOC_Bl == n->next->child->tok ||
809: MDOC_Bd == n->next->child->tok))
1.250 schwarze 810: break;
811:
1.263 schwarze 812: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 813: p->trailspace = 1;
1.39 kristaps 814: break;
1.264 schwarze 815: case LIST_tag:
1.86 kristaps 816: if (MDOC_HEAD != n->type)
1.39 kristaps 817: break;
1.250 schwarze 818:
1.263 schwarze 819: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 820: p->trailspace = 2;
821:
1.86 kristaps 822: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 823: p->flags |= TERMP_DANGLE;
1.1 kristaps 824: break;
1.264 schwarze 825: case LIST_column:
1.134 kristaps 826: if (MDOC_HEAD == n->type)
827: break;
828:
1.250 schwarze 829: if (NULL == n->next) {
1.134 kristaps 830: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 831: p->trailspace = 0;
832: } else {
1.134 kristaps 833: p->flags |= TERMP_NOBREAK;
1.250 schwarze 834: p->trailspace = 1;
835: }
1.134 kristaps 836:
1.1 kristaps 837: break;
1.264 schwarze 838: case LIST_diag:
1.250 schwarze 839: if (MDOC_HEAD != n->type)
840: break;
1.263 schwarze 841: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 842: p->trailspace = 1;
1.1 kristaps 843: break;
844: default:
845: break;
846: }
847:
1.264 schwarze 848: /*
1.1 kristaps 849: * Margin control. Set-head-width lists have their right
850: * margins shortened. The body for these lists has the offset
851: * necessarily lengthened. Everybody gets the offset.
852: */
853:
854: p->offset += offset;
855:
856: switch (type) {
1.264 schwarze 857: case LIST_hang:
1.59 kristaps 858: /*
859: * Same stipulation as above, regarding `-hang'. We
860: * don't want to recalculate rmargin and offsets when
861: * using `Bd' or `Bl' within `-hang' overstep lists.
862: */
1.86 kristaps 863: if (MDOC_HEAD == n->type && n->next->child &&
1.264 schwarze 864: (MDOC_Bl == n->next->child->tok ||
865: MDOC_Bd == n->next->child->tok))
1.59 kristaps 866: break;
867: /* FALLTHROUGH */
1.264 schwarze 868: case LIST_bullet:
1.1 kristaps 869: /* FALLTHROUGH */
1.264 schwarze 870: case LIST_dash:
1.1 kristaps 871: /* FALLTHROUGH */
1.264 schwarze 872: case LIST_enum:
1.1 kristaps 873: /* FALLTHROUGH */
1.264 schwarze 874: case LIST_hyphen:
1.1 kristaps 875: /* FALLTHROUGH */
1.264 schwarze 876: case LIST_tag:
1.49 kristaps 877: assert(width);
1.86 kristaps 878: if (MDOC_HEAD == n->type)
1.1 kristaps 879: p->rmargin = p->offset + width;
1.259 schwarze 880: else {
1.1 kristaps 881: p->offset += width;
1.259 schwarze 882: if (p->rmargin < p->offset)
883: p->rmargin = p->offset;
884: }
1.1 kristaps 885: break;
1.264 schwarze 886: case LIST_column:
1.49 kristaps 887: assert(width);
1.1 kristaps 888: p->rmargin = p->offset + width;
1.264 schwarze 889: /*
1.50 kristaps 890: * XXX - this behaviour is not documented: the
891: * right-most column is filled to the right margin.
892: */
1.134 kristaps 893: if (MDOC_HEAD == n->type)
894: break;
895: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 896: p->rmargin = p->maxrmargin;
1.1 kristaps 897: break;
898: default:
899: break;
900: }
901:
1.264 schwarze 902: /*
1.1 kristaps 903: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 904: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 905: */
906:
1.86 kristaps 907: if (MDOC_HEAD == n->type)
1.1 kristaps 908: switch (type) {
1.264 schwarze 909: case LIST_bullet:
1.102 kristaps 910: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 911: term_word(p, "\\[bu]");
1.102 kristaps 912: term_fontpop(p);
1.1 kristaps 913: break;
1.264 schwarze 914: case LIST_dash:
1.1 kristaps 915: /* FALLTHROUGH */
1.264 schwarze 916: case LIST_hyphen:
1.102 kristaps 917: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 918: term_word(p, "\\(hy");
1.102 kristaps 919: term_fontpop(p);
1.1 kristaps 920: break;
1.264 schwarze 921: case LIST_enum:
1.1 kristaps 922: (pair->ppair->ppair->count)++;
1.265 schwarze 923: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 924: pair->ppair->ppair->count);
1.1 kristaps 925: term_word(p, buf);
926: break;
927: default:
928: break;
929: }
930:
1.264 schwarze 931: /*
1.1 kristaps 932: * If we're not going to process our children, indicate so here.
933: */
934:
935: switch (type) {
1.264 schwarze 936: case LIST_bullet:
1.1 kristaps 937: /* FALLTHROUGH */
1.264 schwarze 938: case LIST_item:
1.1 kristaps 939: /* FALLTHROUGH */
1.264 schwarze 940: case LIST_dash:
1.1 kristaps 941: /* FALLTHROUGH */
1.264 schwarze 942: case LIST_hyphen:
1.1 kristaps 943: /* FALLTHROUGH */
1.264 schwarze 944: case LIST_enum:
1.86 kristaps 945: if (MDOC_HEAD == n->type)
1.1 kristaps 946: return(0);
947: break;
1.264 schwarze 948: case LIST_column:
1.134 kristaps 949: if (MDOC_HEAD == n->type)
1.1 kristaps 950: return(0);
951: break;
952: default:
953: break;
954: }
955:
956: return(1);
957: }
958:
959: static void
960: termp_it_post(DECL_ARGS)
961: {
1.126 kristaps 962: enum mdoc_list type;
1.1 kristaps 963:
1.109 kristaps 964: if (MDOC_BLOCK == n->type)
1.1 kristaps 965: return;
966:
1.202 kristaps 967: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 968:
969: switch (type) {
1.264 schwarze 970: case LIST_item:
1.1 kristaps 971: /* FALLTHROUGH */
1.264 schwarze 972: case LIST_diag:
1.53 kristaps 973: /* FALLTHROUGH */
1.264 schwarze 974: case LIST_inset:
1.86 kristaps 975: if (MDOC_BODY == n->type)
1.130 schwarze 976: term_newln(p);
1.1 kristaps 977: break;
1.264 schwarze 978: case LIST_column:
1.134 kristaps 979: if (MDOC_BODY == n->type)
1.1 kristaps 980: term_flushln(p);
981: break;
982: default:
1.130 schwarze 983: term_newln(p);
1.1 kristaps 984: break;
985: }
986:
1.264 schwarze 987: /*
1.109 kristaps 988: * Now that our output is flushed, we can reset our tags. Since
989: * only `It' sets these flags, we're free to assume that nobody
990: * has munged them in the meanwhile.
991: */
992:
1.263 schwarze 993: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
994: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 995: p->trailspace = 0;
1.1 kristaps 996: }
997:
998: static int
999: termp_nm_pre(DECL_ARGS)
1000: {
1001:
1.253 schwarze 1002: if (MDOC_BLOCK == n->type) {
1003: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1004: return(1);
1.253 schwarze 1005: }
1.164 schwarze 1006:
1007: if (MDOC_BODY == n->type) {
1008: if (NULL == n->child)
1009: return(0);
1.234 schwarze 1010: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1011: p->offset += term_len(p, 1) +
1.245 schwarze 1012: (NULL == n->prev->child ?
1013: term_strlen(p, meta->name) :
1.164 schwarze 1014: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1015: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1016: term_len(p, 5));
1.262 schwarze 1017: if (p->rmargin < p->offset)
1018: p->rmargin = p->offset;
1.164 schwarze 1019: return(1);
1020: }
1021:
1.245 schwarze 1022: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1023: return(0);
1.125 kristaps 1024:
1.177 schwarze 1025: if (MDOC_HEAD == n->type)
1026: synopsis_pre(p, n->parent);
1.102 kristaps 1027:
1.164 schwarze 1028: if (MDOC_HEAD == n->type && n->next->child) {
1.263 schwarze 1029: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1030: p->trailspace = 1;
1.185 schwarze 1031: p->rmargin = p->offset + term_len(p, 1);
1032: if (NULL == n->child) {
1.245 schwarze 1033: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1034: } else if (MDOC_TEXT == n->child->type) {
1035: p->rmargin += term_strlen(p, n->child->string);
1036: if (n->child->next)
1037: p->flags |= TERMP_HANG;
1038: } else {
1039: p->rmargin += term_len(p, 5);
1040: p->flags |= TERMP_HANG;
1041: }
1.164 schwarze 1042: }
1043:
1.102 kristaps 1044: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1045: if (NULL == n->child)
1.245 schwarze 1046: term_word(p, meta->name);
1.1 kristaps 1047: return(1);
1048: }
1049:
1.164 schwarze 1050: static void
1051: termp_nm_post(DECL_ARGS)
1052: {
1053:
1.253 schwarze 1054: if (MDOC_BLOCK == n->type) {
1055: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1056: } else if (MDOC_HEAD == n->type && n->next->child) {
1.164 schwarze 1057: term_flushln(p);
1.263 schwarze 1058: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1059: p->trailspace = 0;
1.234 schwarze 1060: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1061: term_flushln(p);
1062: }
1063:
1.1 kristaps 1064: static int
1065: termp_fl_pre(DECL_ARGS)
1066: {
1067:
1.102 kristaps 1068: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1069: term_word(p, "\\-");
1.103 kristaps 1070:
1071: if (n->child)
1.114 kristaps 1072: p->flags |= TERMP_NOSPACE;
1073: else if (n->next && n->next->line == n->line)
1.103 kristaps 1074: p->flags |= TERMP_NOSPACE;
1075:
1.1 kristaps 1076: return(1);
1077: }
1078:
1079: static int
1.184 kristaps 1080: termp__a_pre(DECL_ARGS)
1081: {
1082:
1083: if (n->prev && MDOC__A == n->prev->tok)
1084: if (NULL == n->next || MDOC__A != n->next->tok)
1085: term_word(p, "and");
1086:
1087: return(1);
1088: }
1089:
1090: static int
1.61 kristaps 1091: termp_an_pre(DECL_ARGS)
1092: {
1093:
1.86 kristaps 1094: if (NULL == n->child)
1.61 kristaps 1095: return(1);
1096:
1097: /*
1.85 kristaps 1098: * If not in the AUTHORS section, `An -split' will cause
1099: * newlines to occur before the author name. If in the AUTHORS
1100: * section, by default, the first `An' invocation is nosplit,
1101: * then all subsequent ones, regardless of whether interspersed
1102: * with other macros/text, are split. -split, in this case,
1103: * will override the condition of the implied first -nosplit.
1.61 kristaps 1104: */
1.264 schwarze 1105:
1.86 kristaps 1106: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1107: if ( ! (TERMP_ANPREC & p->flags)) {
1108: if (TERMP_SPLIT & p->flags)
1109: term_newln(p);
1110: return(1);
1111: }
1112: if (TERMP_NOSPLIT & p->flags)
1113: return(1);
1114: term_newln(p);
1115: return(1);
1116: }
1117:
1118: if (TERMP_SPLIT & p->flags)
1119: term_newln(p);
1120:
1121: return(1);
1122: }
1123:
1124: static void
1125: termp_an_post(DECL_ARGS)
1126: {
1127:
1.86 kristaps 1128: if (n->child) {
1129: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1130: p->flags |= TERMP_ANPREC;
1131: return;
1132: }
1133:
1.202 kristaps 1134: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1135: p->flags &= ~TERMP_NOSPLIT;
1136: p->flags |= TERMP_SPLIT;
1.202 kristaps 1137: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1138: p->flags &= ~TERMP_SPLIT;
1139: p->flags |= TERMP_NOSPLIT;
1140: }
1141:
1142: }
1143:
1144: static int
1.1 kristaps 1145: termp_ns_pre(DECL_ARGS)
1146: {
1147:
1.215 kristaps 1148: if ( ! (MDOC_LINE & n->flags))
1149: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1150: return(1);
1151: }
1152:
1153: static int
1154: termp_rs_pre(DECL_ARGS)
1155: {
1156:
1.86 kristaps 1157: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1158: return(1);
1.86 kristaps 1159: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1160: term_vspace(p);
1161: return(1);
1162: }
1163:
1164: static int
1165: termp_rv_pre(DECL_ARGS)
1166: {
1.223 kristaps 1167: int nchild;
1.1 kristaps 1168:
1169: term_newln(p);
1170: term_word(p, "The");
1171:
1.223 kristaps 1172: nchild = n->nchild;
1173: for (n = n->child; n; n = n->next) {
1.102 kristaps 1174: term_fontpush(p, TERMFONT_BOLD);
1.223 kristaps 1175: term_word(p, n->string);
1.102 kristaps 1176: term_fontpop(p);
1.224 kristaps 1177:
1.68 kristaps 1178: p->flags |= TERMP_NOSPACE;
1.223 kristaps 1179: term_word(p, "()");
1180:
1181: if (nchild > 2 && n->next) {
1182: p->flags |= TERMP_NOSPACE;
1183: term_word(p, ",");
1184: }
1185:
1186: if (n->next && NULL == n->next->next)
1187: term_word(p, "and");
1.68 kristaps 1188: }
1189:
1.223 kristaps 1190: if (nchild > 1)
1.68 kristaps 1191: term_word(p, "functions return");
1192: else
1193: term_word(p, "function returns");
1.1 kristaps 1194:
1.264 schwarze 1195: term_word(p, "the value 0 if successful; otherwise the "
1196: "value -1 is returned and the global variable");
1.1 kristaps 1197:
1.102 kristaps 1198: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1199: term_word(p, "errno");
1.102 kristaps 1200: term_fontpop(p);
1.1 kristaps 1201:
1.264 schwarze 1202: term_word(p, "is set to indicate the error.");
1.131 kristaps 1203: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1204:
1.68 kristaps 1205: return(0);
1.1 kristaps 1206: }
1207:
1208: static int
1209: termp_ex_pre(DECL_ARGS)
1210: {
1.224 kristaps 1211: int nchild;
1.1 kristaps 1212:
1.224 kristaps 1213: term_newln(p);
1.68 kristaps 1214: term_word(p, "The");
1.1 kristaps 1215:
1.224 kristaps 1216: nchild = n->nchild;
1217: for (n = n->child; n; n = n->next) {
1.102 kristaps 1218: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1219: term_word(p, n->string);
1.102 kristaps 1220: term_fontpop(p);
1.224 kristaps 1221:
1222: if (nchild > 2 && n->next) {
1223: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1224: term_word(p, ",");
1.224 kristaps 1225: }
1226:
1227: if (n->next && NULL == n->next->next)
1228: term_word(p, "and");
1.68 kristaps 1229: }
1230:
1.224 kristaps 1231: if (nchild > 1)
1.68 kristaps 1232: term_word(p, "utilities exit");
1233: else
1234: term_word(p, "utility exits");
1235:
1.264 schwarze 1236: term_word(p, "0 on success, and >0 if an error occurs.");
1.224 kristaps 1237:
1.131 kristaps 1238: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1239: return(0);
1.1 kristaps 1240: }
1241:
1242: static int
1243: termp_nd_pre(DECL_ARGS)
1244: {
1.25 kristaps 1245:
1.86 kristaps 1246: if (MDOC_BODY != n->type)
1.25 kristaps 1247: return(1);
1.30 kristaps 1248:
1.27 kristaps 1249: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1250: term_word(p, "\\(en");
1.23 kristaps 1251: #else
1252: term_word(p, "\\(em");
1253: #endif
1.1 kristaps 1254: return(1);
1.115 kristaps 1255: }
1256:
1257: static int
1258: termp_bl_pre(DECL_ARGS)
1259: {
1260:
1261: return(MDOC_HEAD != n->type);
1.1 kristaps 1262: }
1263:
1264: static void
1265: termp_bl_post(DECL_ARGS)
1266: {
1267:
1.86 kristaps 1268: if (MDOC_BLOCK == n->type)
1.1 kristaps 1269: term_newln(p);
1270: }
1271:
1272: static int
1273: termp_xr_pre(DECL_ARGS)
1274: {
1275:
1.225 kristaps 1276: if (NULL == (n = n->child))
1.113 kristaps 1277: return(0);
1278:
1.225 kristaps 1279: assert(MDOC_TEXT == n->type);
1280: term_word(p, n->string);
1.11 kristaps 1281:
1.264 schwarze 1282: if (NULL == (n = n->next))
1.1 kristaps 1283: return(0);
1.225 kristaps 1284:
1.1 kristaps 1285: p->flags |= TERMP_NOSPACE;
1286: term_word(p, "(");
1.222 kristaps 1287: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1288:
1289: assert(MDOC_TEXT == n->type);
1290: term_word(p, n->string);
1291:
1.222 kristaps 1292: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1293: term_word(p, ")");
1.86 kristaps 1294:
1.1 kristaps 1295: return(0);
1296: }
1297:
1.143 kristaps 1298: /*
1299: * This decides how to assert whitespace before any of the SYNOPSIS set
1300: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1301: * macro combos).
1302: */
1303: static void
1304: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1305: {
1.264 schwarze 1306: /*
1.143 kristaps 1307: * Obviously, if we're not in a SYNOPSIS or no prior macros
1308: * exist, do nothing.
1309: */
1.160 kristaps 1310: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1311: return;
1312:
1313: /*
1314: * If we're the second in a pair of like elements, emit our
1315: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1316: * case we soldier on.
1317: */
1.264 schwarze 1318: if (n->prev->tok == n->tok &&
1319: MDOC_Ft != n->tok &&
1320: MDOC_Fo != n->tok &&
1321: MDOC_Fn != n->tok) {
1.143 kristaps 1322: term_newln(p);
1323: return;
1324: }
1325:
1326: /*
1327: * If we're one of the SYNOPSIS set and non-like pair-wise after
1328: * another (or Fn/Fo, which we've let slip through) then assert
1329: * vertical space, else only newline and move on.
1330: */
1331: switch (n->prev->tok) {
1.264 schwarze 1332: case MDOC_Fd:
1.143 kristaps 1333: /* FALLTHROUGH */
1.264 schwarze 1334: case MDOC_Fn:
1.143 kristaps 1335: /* FALLTHROUGH */
1.264 schwarze 1336: case MDOC_Fo:
1.143 kristaps 1337: /* FALLTHROUGH */
1.264 schwarze 1338: case MDOC_In:
1.143 kristaps 1339: /* FALLTHROUGH */
1.264 schwarze 1340: case MDOC_Vt:
1.143 kristaps 1341: term_vspace(p);
1342: break;
1.264 schwarze 1343: case MDOC_Ft:
1.143 kristaps 1344: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1345: term_vspace(p);
1346: break;
1347: }
1348: /* FALLTHROUGH */
1349: default:
1350: term_newln(p);
1351: break;
1352: }
1353: }
1354:
1.110 kristaps 1355: static int
1356: termp_vt_pre(DECL_ARGS)
1357: {
1358:
1.143 kristaps 1359: if (MDOC_ELEM == n->type) {
1360: synopsis_pre(p, n);
1.245 schwarze 1361: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1362: } else if (MDOC_BLOCK == n->type) {
1363: synopsis_pre(p, n);
1364: return(1);
1365: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1366: return(0);
1367:
1.245 schwarze 1368: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1369: }
1370:
1.1 kristaps 1371: static int
1.69 kristaps 1372: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1373: {
1374:
1.102 kristaps 1375: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1376: return(1);
1377: }
1378:
1.143 kristaps 1379: static int
1380: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1381: {
1382:
1.143 kristaps 1383: synopsis_pre(p, n);
1.245 schwarze 1384: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1385: }
1386:
1.241 schwarze 1387: static void
1388: termp_fd_post(DECL_ARGS)
1389: {
1390:
1391: term_newln(p);
1392: }
1393:
1.1 kristaps 1394: static int
1395: termp_sh_pre(DECL_ARGS)
1396: {
1.85 kristaps 1397:
1398: /* No vspace between consecutive `Sh' calls. */
1399:
1.86 kristaps 1400: switch (n->type) {
1.264 schwarze 1401: case MDOC_BLOCK:
1.86 kristaps 1402: if (n->prev && MDOC_Sh == n->prev->tok)
1403: if (NULL == n->prev->body->child)
1.65 kristaps 1404: break;
1405: term_vspace(p);
1406: break;
1.264 schwarze 1407: case MDOC_HEAD:
1.102 kristaps 1408: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1409: break;
1.264 schwarze 1410: case MDOC_BODY:
1.238 schwarze 1411: p->offset = term_len(p, p->defindent);
1.239 schwarze 1412: if (SEC_AUTHORS == n->sec)
1413: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1414: break;
1415: default:
1416: break;
1417: }
1418: return(1);
1419: }
1420:
1421: static void
1422: termp_sh_post(DECL_ARGS)
1423: {
1424:
1.86 kristaps 1425: switch (n->type) {
1.264 schwarze 1426: case MDOC_HEAD:
1.1 kristaps 1427: term_newln(p);
1428: break;
1.264 schwarze 1429: case MDOC_BODY:
1.1 kristaps 1430: term_newln(p);
1431: p->offset = 0;
1432: break;
1433: default:
1434: break;
1435: }
1436: }
1437:
1438: static int
1439: termp_bt_pre(DECL_ARGS)
1440: {
1441:
1442: term_word(p, "is currently in beta test.");
1.131 kristaps 1443: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1444: return(0);
1.1 kristaps 1445: }
1446:
1447: static void
1448: termp_lb_post(DECL_ARGS)
1449: {
1450:
1.122 kristaps 1451: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1452: term_newln(p);
1.1 kristaps 1453: }
1454:
1455: static int
1456: termp_ud_pre(DECL_ARGS)
1457: {
1458:
1459: term_word(p, "currently under development.");
1.131 kristaps 1460: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1461: return(0);
1.1 kristaps 1462: }
1463:
1464: static int
1465: termp_d1_pre(DECL_ARGS)
1466: {
1467:
1.86 kristaps 1468: if (MDOC_BLOCK != n->type)
1.1 kristaps 1469: return(1);
1470: term_newln(p);
1.238 schwarze 1471: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1472: return(1);
1473: }
1474:
1475: static int
1476: termp_ft_pre(DECL_ARGS)
1477: {
1478:
1.141 kristaps 1479: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1480: synopsis_pre(p, n);
1.102 kristaps 1481: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1482: return(1);
1483: }
1484:
1485: static int
1486: termp_fn_pre(DECL_ARGS)
1487: {
1.257 schwarze 1488: size_t rmargin = 0;
1.226 kristaps 1489: int pretty;
1490:
1491: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1492:
1.143 kristaps 1493: synopsis_pre(p, n);
1.139 kristaps 1494:
1.226 kristaps 1495: if (NULL == (n = n->child))
1496: return(0);
1497:
1.251 schwarze 1498: if (pretty) {
1499: rmargin = p->rmargin;
1.257 schwarze 1500: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1501: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1502: }
1503:
1.226 kristaps 1504: assert(MDOC_TEXT == n->type);
1.102 kristaps 1505: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1506: term_word(p, n->string);
1.102 kristaps 1507: term_fontpop(p);
1.1 kristaps 1508:
1.251 schwarze 1509: if (pretty) {
1510: term_flushln(p);
1.263 schwarze 1511: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1512: p->offset = p->rmargin;
1513: p->rmargin = rmargin;
1514: }
1515:
1.1 kristaps 1516: p->flags |= TERMP_NOSPACE;
1517: term_word(p, "(");
1.222 kristaps 1518: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1519:
1.226 kristaps 1520: for (n = n->next; n; n = n->next) {
1521: assert(MDOC_TEXT == n->type);
1.102 kristaps 1522: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1523: if (pretty)
1524: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1525: term_word(p, n->string);
1.102 kristaps 1526: term_fontpop(p);
1527:
1.226 kristaps 1528: if (n->next) {
1.222 kristaps 1529: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1530: term_word(p, ",");
1.222 kristaps 1531: }
1.1 kristaps 1532: }
1533:
1.222 kristaps 1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535: term_word(p, ")");
1536:
1.226 kristaps 1537: if (pretty) {
1.222 kristaps 1538: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1539: term_word(p, ";");
1.251 schwarze 1540: term_flushln(p);
1.222 kristaps 1541: }
1.1 kristaps 1542:
1543: return(0);
1544: }
1545:
1546: static int
1547: termp_fa_pre(DECL_ARGS)
1548: {
1.86 kristaps 1549: const struct mdoc_node *nn;
1.1 kristaps 1550:
1.86 kristaps 1551: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1552: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1553: return(1);
1554: }
1555:
1.86 kristaps 1556: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1557: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1558: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1559: term_word(p, nn->string);
1.102 kristaps 1560: term_fontpop(p);
1561:
1.256 schwarze 1562: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1563: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1564: term_word(p, ",");
1.222 kristaps 1565: }
1.1 kristaps 1566: }
1567:
1568: return(0);
1569: }
1570:
1571: static int
1572: termp_bd_pre(DECL_ARGS)
1573: {
1.272 ! schwarze 1574: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1575: struct mdoc_node *nn;
1.1 kristaps 1576:
1.86 kristaps 1577: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1578: print_bvspace(p, n, n);
1.54 kristaps 1579: return(1);
1.116 kristaps 1580: } else if (MDOC_HEAD == n->type)
1581: return(0);
1.1 kristaps 1582:
1.202 kristaps 1583: if (n->norm->Bd.offs)
1584: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1585:
1586: /*
1587: * If -ragged or -filled are specified, the block does nothing
1588: * but change the indentation. If -unfilled or -literal are
1589: * specified, text is printed exactly as entered in the display:
1590: * for macro lines, a newline is appended to the line. Blank
1591: * lines are allowed.
1592: */
1.264 schwarze 1593:
1594: if (DISP_literal != n->norm->Bd.type &&
1.272 ! schwarze 1595: DISP_unfilled != n->norm->Bd.type &&
! 1596: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1597: return(1);
1598:
1.129 schwarze 1599: tabwidth = p->tabwidth;
1.208 kristaps 1600: if (DISP_literal == n->norm->Bd.type)
1601: p->tabwidth = term_len(p, 8);
1602:
1.272 ! schwarze 1603: lm = p->offset;
1.119 kristaps 1604: rm = p->rmargin;
1605: rmax = p->maxrmargin;
1.120 kristaps 1606: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1607:
1.86 kristaps 1608: for (nn = n->child; nn; nn = nn->next) {
1.272 ! schwarze 1609: if (DISP_centered == n->norm->Bd.type) {
! 1610: if (MDOC_TEXT == nn->type) {
! 1611: len = term_strlen(p, nn->string);
! 1612: p->offset = len >= rm ? 0 :
! 1613: lm + len >= rm ? rm - len :
! 1614: (lm + rm - len) / 2;
! 1615: } else
! 1616: p->offset = lm;
! 1617: }
1.245 schwarze 1618: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1619: /*
1620: * If the printed node flushes its own line, then we
1621: * needn't do it here as well. This is hacky, but the
1622: * notion of selective eoln whitespace is pretty dumb
1623: * anyway, so don't sweat it.
1624: */
1625: switch (nn->tok) {
1.264 schwarze 1626: case MDOC_Sm:
1.193 kristaps 1627: /* FALLTHROUGH */
1.264 schwarze 1628: case MDOC_br:
1.190 kristaps 1629: /* FALLTHROUGH */
1.264 schwarze 1630: case MDOC_sp:
1.190 kristaps 1631: /* FALLTHROUGH */
1.264 schwarze 1632: case MDOC_Bl:
1.196 kristaps 1633: /* FALLTHROUGH */
1.264 schwarze 1634: case MDOC_D1:
1.196 kristaps 1635: /* FALLTHROUGH */
1.264 schwarze 1636: case MDOC_Dl:
1.190 kristaps 1637: /* FALLTHROUGH */
1.264 schwarze 1638: case MDOC_Lp:
1.190 kristaps 1639: /* FALLTHROUGH */
1.264 schwarze 1640: case MDOC_Pp:
1.190 kristaps 1641: continue;
1642: default:
1643: break;
1644: }
1.180 schwarze 1645: if (nn->next && nn->next->line == nn->line)
1646: continue;
1647: term_flushln(p);
1648: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1649: }
1.147 kristaps 1650:
1.129 schwarze 1651: p->tabwidth = tabwidth;
1.119 kristaps 1652: p->rmargin = rm;
1653: p->maxrmargin = rmax;
1.1 kristaps 1654: return(0);
1655: }
1656:
1657: static void
1658: termp_bd_post(DECL_ARGS)
1659: {
1.119 kristaps 1660: size_t rm, rmax;
1.1 kristaps 1661:
1.264 schwarze 1662: if (MDOC_BODY != n->type)
1.1 kristaps 1663: return;
1.118 kristaps 1664:
1.119 kristaps 1665: rm = p->rmargin;
1666: rmax = p->maxrmargin;
1.118 kristaps 1667:
1.264 schwarze 1668: if (DISP_literal == n->norm->Bd.type ||
1669: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1670: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1671:
1.60 kristaps 1672: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1673: term_newln(p);
1.118 kristaps 1674:
1.119 kristaps 1675: p->rmargin = rm;
1676: p->maxrmargin = rmax;
1.1 kristaps 1677: }
1678:
1.211 kristaps 1679: static int
1680: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1681: {
1682:
1.211 kristaps 1683: if (NULL != (n = n->child)) {
1684: term_word(p, n->string);
1685: p->flags |= TERMP_NOSPACE;
1686: term_word(p, "BSD");
1687: } else {
1688: term_word(p, "BSD");
1689: return(0);
1690: }
1691:
1692: if (NULL != (n = n->next)) {
1693: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1694: term_word(p, "-");
1.1 kristaps 1695: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1696: term_word(p, n->string);
1.211 kristaps 1697: }
1698:
1699: return(0);
1.1 kristaps 1700: }
1701:
1702: static int
1.26 kristaps 1703: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1704: {
1.26 kristaps 1705: const char *pp;
1.218 schwarze 1706: int flags;
1.1 kristaps 1707:
1.26 kristaps 1708: pp = NULL;
1.86 kristaps 1709: switch (n->tok) {
1.264 schwarze 1710: case MDOC_Bsx:
1.194 schwarze 1711: pp = "BSD/OS";
1.26 kristaps 1712: break;
1.264 schwarze 1713: case MDOC_Dx:
1.100 kristaps 1714: pp = "DragonFly";
1.26 kristaps 1715: break;
1.264 schwarze 1716: case MDOC_Fx:
1.26 kristaps 1717: pp = "FreeBSD";
1718: break;
1.264 schwarze 1719: case MDOC_Nx:
1.26 kristaps 1720: pp = "NetBSD";
1721: break;
1.264 schwarze 1722: case MDOC_Ox:
1.26 kristaps 1723: pp = "OpenBSD";
1724: break;
1.264 schwarze 1725: case MDOC_Ux:
1.26 kristaps 1726: pp = "UNIX";
1727: break;
1728: default:
1.246 schwarze 1729: abort();
1730: /* NOTREACHED */
1.26 kristaps 1731: }
1.1 kristaps 1732:
1.26 kristaps 1733: term_word(p, pp);
1.214 kristaps 1734: if (n->child) {
1.218 schwarze 1735: flags = p->flags;
1.214 kristaps 1736: p->flags |= TERMP_KEEP;
1737: term_word(p, n->child->string);
1.218 schwarze 1738: p->flags = flags;
1.214 kristaps 1739: }
1740: return(0);
1.1 kristaps 1741: }
1742:
1743: static void
1744: termp_pf_post(DECL_ARGS)
1745: {
1746:
1747: p->flags |= TERMP_NOSPACE;
1748: }
1749:
1750: static int
1751: termp_ss_pre(DECL_ARGS)
1752: {
1753:
1.86 kristaps 1754: switch (n->type) {
1.264 schwarze 1755: case MDOC_BLOCK:
1.1 kristaps 1756: term_newln(p);
1.86 kristaps 1757: if (n->prev)
1.1 kristaps 1758: term_vspace(p);
1759: break;
1.264 schwarze 1760: case MDOC_HEAD:
1.102 kristaps 1761: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1762: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1763: break;
1764: default:
1765: break;
1766: }
1767:
1768: return(1);
1769: }
1770:
1771: static void
1772: termp_ss_post(DECL_ARGS)
1773: {
1774:
1.86 kristaps 1775: if (MDOC_HEAD == n->type)
1.1 kristaps 1776: term_newln(p);
1777: }
1778:
1779: static int
1780: termp_cd_pre(DECL_ARGS)
1781: {
1782:
1.143 kristaps 1783: synopsis_pre(p, n);
1.102 kristaps 1784: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1785: return(1);
1786: }
1787:
1788: static int
1789: termp_in_pre(DECL_ARGS)
1790: {
1.142 schwarze 1791:
1.143 kristaps 1792: synopsis_pre(p, n);
1.1 kristaps 1793:
1.160 kristaps 1794: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1795: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1796: term_word(p, "#include");
1.138 kristaps 1797: term_word(p, "<");
1798: } else {
1799: term_word(p, "<");
1800: term_fontpush(p, TERMFONT_UNDER);
1801: }
1.22 kristaps 1802:
1.1 kristaps 1803: p->flags |= TERMP_NOSPACE;
1804: return(1);
1805: }
1806:
1807: static void
1808: termp_in_post(DECL_ARGS)
1809: {
1810:
1.160 kristaps 1811: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1812: term_fontpush(p, TERMFONT_BOLD);
1813:
1.79 kristaps 1814: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1815: term_word(p, ">");
1816:
1.160 kristaps 1817: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1818: term_fontpop(p);
1.1 kristaps 1819: }
1820:
1821: static int
1.45 kristaps 1822: termp_sp_pre(DECL_ARGS)
1823: {
1.91 kristaps 1824: size_t i, len;
1.45 kristaps 1825:
1.86 kristaps 1826: switch (n->tok) {
1.264 schwarze 1827: case MDOC_sp:
1.157 kristaps 1828: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1829: break;
1.264 schwarze 1830: case MDOC_br:
1.76 kristaps 1831: len = 0;
1832: break;
1833: default:
1834: len = 1;
1835: break;
1.45 kristaps 1836: }
1837:
1838: if (0 == len)
1839: term_newln(p);
1840: for (i = 0; i < len; i++)
1841: term_vspace(p);
1842:
1843: return(0);
1844: }
1845:
1846: static int
1.268 schwarze 1847: termp_es_pre(DECL_ARGS)
1848: {
1849:
1850: return(0);
1851: }
1852:
1853: static int
1.188 kristaps 1854: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1855: {
1856:
1.203 kristaps 1857: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1858: return(1);
1859:
1.188 kristaps 1860: switch (n->tok) {
1.264 schwarze 1861: case MDOC_Ao:
1.188 kristaps 1862: /* FALLTHROUGH */
1.264 schwarze 1863: case MDOC_Aq:
1.188 kristaps 1864: term_word(p, "<");
1865: break;
1.264 schwarze 1866: case MDOC_Bro:
1.188 kristaps 1867: /* FALLTHROUGH */
1.264 schwarze 1868: case MDOC_Brq:
1.188 kristaps 1869: term_word(p, "{");
1870: break;
1.264 schwarze 1871: case MDOC_Oo:
1.188 kristaps 1872: /* FALLTHROUGH */
1.264 schwarze 1873: case MDOC_Op:
1.188 kristaps 1874: /* FALLTHROUGH */
1.264 schwarze 1875: case MDOC_Bo:
1.188 kristaps 1876: /* FALLTHROUGH */
1.264 schwarze 1877: case MDOC_Bq:
1.188 kristaps 1878: term_word(p, "[");
1879: break;
1.264 schwarze 1880: case MDOC_Do:
1.188 kristaps 1881: /* FALLTHROUGH */
1.264 schwarze 1882: case MDOC_Dq:
1.249 schwarze 1883: term_word(p, "\\(lq");
1.188 kristaps 1884: break;
1.268 schwarze 1885: case MDOC_En:
1886: if (NULL == n->norm->Es ||
1887: NULL == n->norm->Es->child)
1888: return(1);
1889: term_word(p, n->norm->Es->child->string);
1890: break;
1.264 schwarze 1891: case MDOC_Eo:
1.237 schwarze 1892: break;
1.264 schwarze 1893: case MDOC_Po:
1.188 kristaps 1894: /* FALLTHROUGH */
1.264 schwarze 1895: case MDOC_Pq:
1.188 kristaps 1896: term_word(p, "(");
1897: break;
1.264 schwarze 1898: case MDOC__T:
1.205 kristaps 1899: /* FALLTHROUGH */
1.264 schwarze 1900: case MDOC_Qo:
1.188 kristaps 1901: /* FALLTHROUGH */
1.264 schwarze 1902: case MDOC_Qq:
1.188 kristaps 1903: term_word(p, "\"");
1904: break;
1.264 schwarze 1905: case MDOC_Ql:
1.188 kristaps 1906: /* FALLTHROUGH */
1.264 schwarze 1907: case MDOC_So:
1.188 kristaps 1908: /* FALLTHROUGH */
1.264 schwarze 1909: case MDOC_Sq:
1.249 schwarze 1910: term_word(p, "\\(oq");
1.188 kristaps 1911: break;
1912: default:
1913: abort();
1914: /* NOTREACHED */
1915: }
1.1 kristaps 1916:
1917: p->flags |= TERMP_NOSPACE;
1918: return(1);
1919: }
1920:
1921: static void
1.188 kristaps 1922: termp_quote_post(DECL_ARGS)
1.1 kristaps 1923: {
1924:
1.203 kristaps 1925: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1926: return;
1927:
1.268 schwarze 1928: if (MDOC_En != n->tok)
1929: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1930:
1.188 kristaps 1931: switch (n->tok) {
1.264 schwarze 1932: case MDOC_Ao:
1.188 kristaps 1933: /* FALLTHROUGH */
1.264 schwarze 1934: case MDOC_Aq:
1.188 kristaps 1935: term_word(p, ">");
1936: break;
1.264 schwarze 1937: case MDOC_Bro:
1.188 kristaps 1938: /* FALLTHROUGH */
1.264 schwarze 1939: case MDOC_Brq:
1.188 kristaps 1940: term_word(p, "}");
1941: break;
1.264 schwarze 1942: case MDOC_Oo:
1.188 kristaps 1943: /* FALLTHROUGH */
1.264 schwarze 1944: case MDOC_Op:
1.188 kristaps 1945: /* FALLTHROUGH */
1.264 schwarze 1946: case MDOC_Bo:
1.188 kristaps 1947: /* FALLTHROUGH */
1.264 schwarze 1948: case MDOC_Bq:
1.188 kristaps 1949: term_word(p, "]");
1950: break;
1.264 schwarze 1951: case MDOC_Do:
1.188 kristaps 1952: /* FALLTHROUGH */
1.264 schwarze 1953: case MDOC_Dq:
1.249 schwarze 1954: term_word(p, "\\(rq");
1.268 schwarze 1955: break;
1956: case MDOC_En:
1957: if (NULL != n->norm->Es &&
1958: NULL != n->norm->Es->child &&
1959: NULL != n->norm->Es->child->next) {
1960: p->flags |= TERMP_NOSPACE;
1961: term_word(p, n->norm->Es->child->next->string);
1962: }
1.237 schwarze 1963: break;
1.264 schwarze 1964: case MDOC_Eo:
1.188 kristaps 1965: break;
1.264 schwarze 1966: case MDOC_Po:
1.188 kristaps 1967: /* FALLTHROUGH */
1.264 schwarze 1968: case MDOC_Pq:
1.188 kristaps 1969: term_word(p, ")");
1970: break;
1.264 schwarze 1971: case MDOC__T:
1.205 kristaps 1972: /* FALLTHROUGH */
1.264 schwarze 1973: case MDOC_Qo:
1.188 kristaps 1974: /* FALLTHROUGH */
1.264 schwarze 1975: case MDOC_Qq:
1.188 kristaps 1976: term_word(p, "\"");
1977: break;
1.264 schwarze 1978: case MDOC_Ql:
1.188 kristaps 1979: /* FALLTHROUGH */
1.264 schwarze 1980: case MDOC_So:
1.188 kristaps 1981: /* FALLTHROUGH */
1.264 schwarze 1982: case MDOC_Sq:
1.249 schwarze 1983: term_word(p, "\\(cq");
1.188 kristaps 1984: break;
1985: default:
1986: abort();
1987: /* NOTREACHED */
1988: }
1.1 kristaps 1989: }
1990:
1991: static int
1992: termp_fo_pre(DECL_ARGS)
1993: {
1.257 schwarze 1994: size_t rmargin = 0;
1.256 schwarze 1995: int pretty;
1996:
1997: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1998:
1.141 kristaps 1999: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2000: synopsis_pre(p, n);
1.141 kristaps 2001: return(1);
2002: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2003: if (pretty) {
2004: rmargin = p->rmargin;
1.257 schwarze 2005: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2006: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2007: TERMP_HANG;
1.256 schwarze 2008: }
1.33 kristaps 2009: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2010: term_word(p, "(");
1.222 kristaps 2011: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2012: if (pretty) {
2013: term_flushln(p);
1.263 schwarze 2014: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2015: TERMP_HANG);
1.256 schwarze 2016: p->offset = p->rmargin;
2017: p->rmargin = rmargin;
2018: }
1.1 kristaps 2019: return(1);
1.256 schwarze 2020: }
1.141 kristaps 2021:
1.169 kristaps 2022: if (NULL == n->child)
2023: return(0);
2024:
1.141 kristaps 2025: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2026:
1.141 kristaps 2027: assert(n->child->string);
1.102 kristaps 2028: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2029: term_word(p, n->child->string);
1.1 kristaps 2030: return(0);
2031: }
2032:
2033: static void
2034: termp_fo_post(DECL_ARGS)
2035: {
2036:
1.264 schwarze 2037: if (MDOC_BODY != n->type)
1.143 kristaps 2038: return;
2039:
1.222 kristaps 2040: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2041: term_word(p, ")");
2042:
1.222 kristaps 2043: if (MDOC_SYNPRETTY & n->flags) {
2044: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2045: term_word(p, ";");
1.256 schwarze 2046: term_flushln(p);
1.222 kristaps 2047: }
1.1 kristaps 2048: }
2049:
2050: static int
2051: termp_bf_pre(DECL_ARGS)
2052: {
2053:
1.86 kristaps 2054: if (MDOC_HEAD == n->type)
1.1 kristaps 2055: return(0);
1.244 schwarze 2056: else if (MDOC_BODY != n->type)
1.1 kristaps 2057: return(1);
2058:
1.264 schwarze 2059: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2060: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2061: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2062: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2063: else
1.102 kristaps 2064: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2065:
2066: return(1);
2067: }
2068:
2069: static int
2070: termp_sm_pre(DECL_ARGS)
2071: {
2072:
1.269 schwarze 2073: if (NULL == n->child)
2074: p->flags ^= TERMP_NONOSPACE;
2075: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2076: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2077: else
1.1 kristaps 2078: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2079:
2080: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2081: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2082:
2083: return(0);
2084: }
2085:
2086: static int
2087: termp_ap_pre(DECL_ARGS)
2088: {
2089:
2090: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2091: term_word(p, "'");
1.1 kristaps 2092: p->flags |= TERMP_NOSPACE;
2093: return(1);
2094: }
2095:
2096: static void
2097: termp____post(DECL_ARGS)
2098: {
1.184 kristaps 2099:
2100: /*
2101: * Handle lists of authors. In general, print each followed by
2102: * a comma. Don't print the comma if there are only two
2103: * authors.
2104: */
2105: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2106: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2107: if (NULL == n->prev || MDOC__A != n->prev->tok)
2108: return;
1.1 kristaps 2109:
1.95 kristaps 2110: /* TODO: %U. */
2111:
1.187 kristaps 2112: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2113: return;
2114:
1.222 kristaps 2115: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2116: if (NULL == n->next) {
2117: term_word(p, ".");
2118: p->flags |= TERMP_SENTENCE;
2119: } else
2120: term_word(p, ",");
1.1 kristaps 2121: }
2122:
2123: static int
1.102 kristaps 2124: termp_li_pre(DECL_ARGS)
2125: {
2126:
2127: term_fontpush(p, TERMFONT_NONE);
2128: return(1);
2129: }
2130:
2131: static int
1.1 kristaps 2132: termp_lk_pre(DECL_ARGS)
2133: {
1.240 schwarze 2134: const struct mdoc_node *link, *descr;
1.1 kristaps 2135:
1.240 schwarze 2136: if (NULL == (link = n->child))
2137: return(0);
1.181 kristaps 2138:
1.240 schwarze 2139: if (NULL != (descr = link->next)) {
2140: term_fontpush(p, TERMFONT_UNDER);
2141: while (NULL != descr) {
2142: term_word(p, descr->string);
2143: descr = descr->next;
2144: }
2145: p->flags |= TERMP_NOSPACE;
2146: term_word(p, ":");
2147: term_fontpop(p);
2148: }
1.1 kristaps 2149:
1.102 kristaps 2150: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2151: term_word(p, link->string);
1.102 kristaps 2152: term_fontpop(p);
1.12 kristaps 2153:
1.1 kristaps 2154: return(0);
2155: }
2156:
1.159 schwarze 2157: static int
2158: termp_bk_pre(DECL_ARGS)
2159: {
2160:
1.161 schwarze 2161: switch (n->type) {
1.264 schwarze 2162: case MDOC_BLOCK:
1.166 kristaps 2163: break;
1.264 schwarze 2164: case MDOC_HEAD:
1.161 schwarze 2165: return(0);
1.264 schwarze 2166: case MDOC_BODY:
1.200 schwarze 2167: if (n->parent->args || 0 == n->prev->nchild)
2168: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2169: break;
1.161 schwarze 2170: default:
2171: abort();
1.166 kristaps 2172: /* NOTREACHED */
1.161 schwarze 2173: }
1.166 kristaps 2174:
2175: return(1);
1.159 schwarze 2176: }
2177:
2178: static void
2179: termp_bk_post(DECL_ARGS)
2180: {
2181:
1.253 schwarze 2182: if (MDOC_BODY == n->type)
1.161 schwarze 2183: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2184: }
2185:
2186: static void
2187: termp__t_post(DECL_ARGS)
2188: {
2189:
2190: /*
2191: * If we're in an `Rs' and there's a journal present, then quote
2192: * us instead of underlining us (for disambiguation).
2193: */
1.217 schwarze 2194: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2195: n->parent->norm->Rs.quote_T)
1.245 schwarze 2196: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2197:
1.245 schwarze 2198: termp____post(p, pair, meta, n);
1.203 kristaps 2199: }
2200:
2201: static int
2202: termp__t_pre(DECL_ARGS)
2203: {
2204:
2205: /*
2206: * If we're in an `Rs' and there's a journal present, then quote
2207: * us instead of underlining us (for disambiguation).
2208: */
2209: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2210: n->parent->norm->Rs.quote_T)
1.245 schwarze 2211: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2212:
2213: term_fontpush(p, TERMFONT_UNDER);
2214: return(1);
1.159 schwarze 2215: }
1.1 kristaps 2216:
2217: static int
1.69 kristaps 2218: termp_under_pre(DECL_ARGS)
1.1 kristaps 2219: {
2220:
1.102 kristaps 2221: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2222: return(1);
2223: }
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