Annotation of mandoc/mdoc_term.c, Revision 1.280
1.280 ! schwarze 1: /* $Id: mdoc_term.c,v 1.279 2014/08/17 16:51:55 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: {
1.70 kristaps 255: const struct mdoc_node *n;
1.245 schwarze 256: const struct mdoc_meta *meta;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
1.238 schwarze 261: if (0 == p->defindent)
262: p->defindent = 5;
263:
1.111 kristaps 264: p->overstep = 0;
1.123 joerg 265: p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
1.89 kristaps 267:
268: if (NULL == p->symtab)
1.230 kristaps 269: p->symtab = mchars_alloc();
1.70 kristaps 270:
271: n = mdoc_node(mdoc);
1.245 schwarze 272: meta = mdoc_meta(mdoc);
1.146 schwarze 273:
1.245 schwarze 274: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 275:
1.271 schwarze 276: if (n->child) {
277: if (MDOC_Sh != n->child->tok)
278: term_vspace(p);
1.245 schwarze 279: print_mdoc_nodelist(p, NULL, meta, n->child);
1.271 schwarze 280: }
1.144 kristaps 281:
282: term_end(p);
1.1 kristaps 283: }
284:
1.3 kristaps 285: static void
1.102 kristaps 286: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 287: {
288:
1.245 schwarze 289: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 290: if (n->next)
1.245 schwarze 291: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 292: }
293:
1.3 kristaps 294: static void
1.102 kristaps 295: print_mdoc_node(DECL_ARGS)
1.1 kristaps 296: {
1.102 kristaps 297: int chld;
1.1 kristaps 298: struct termpair npair;
1.30 kristaps 299: size_t offset, rmargin;
1.1 kristaps 300:
1.70 kristaps 301: chld = 1;
1.29 kristaps 302: offset = p->offset;
1.30 kristaps 303: rmargin = p->rmargin;
1.244 schwarze 304: n->prev_font = term_fontq(p);
1.29 kristaps 305:
1.97 kristaps 306: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 307: npair.ppair = pair;
1.172 kristaps 308:
309: /*
310: * Keeps only work until the end of a line. If a keep was
311: * invoked in a prior line, revert it to PREKEEP.
312: */
313:
1.253 schwarze 314: if (TERMP_KEEP & p->flags) {
1.252 schwarze 315: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 316: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 317: p->flags &= ~TERMP_KEEP;
318: p->flags |= TERMP_PREKEEP;
319: }
320: }
1.197 schwarze 321:
322: /*
1.217 schwarze 323: * After the keep flags have been set up, we may now
324: * produce output. Note that some pre-handlers do so.
325: */
326:
327: switch (n->type) {
1.264 schwarze 328: case MDOC_TEXT:
1.217 schwarze 329: if (' ' == *n->string && MDOC_LINE & n->flags)
330: term_newln(p);
1.222 kristaps 331: if (MDOC_DELIMC & n->flags)
332: p->flags |= TERMP_NOSPACE;
1.217 schwarze 333: term_word(p, n->string);
1.222 kristaps 334: if (MDOC_DELIMO & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.217 schwarze 336: break;
1.264 schwarze 337: case MDOC_EQN:
1.233 kristaps 338: term_eqn(p, n->eqn);
1.217 schwarze 339: break;
1.264 schwarze 340: case MDOC_TBL:
1.217 schwarze 341: term_tbl(p, n->span);
342: break;
343: default:
344: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
345: chld = (*termacts[n->tok].pre)
1.245 schwarze 346: (p, &npair, meta, n);
1.217 schwarze 347: break;
348: }
349:
1.86 kristaps 350: if (chld && n->child)
1.245 schwarze 351: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 352:
1.244 schwarze 353: term_fontpopq(p,
354: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 355:
1.206 kristaps 356: switch (n->type) {
1.264 schwarze 357: case MDOC_TEXT:
1.206 kristaps 358: break;
1.264 schwarze 359: case MDOC_TBL:
1.216 kristaps 360: break;
1.264 schwarze 361: case MDOC_EQN:
1.206 kristaps 362: break;
363: default:
364: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
365: break;
1.245 schwarze 366: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 367:
368: /*
369: * Explicit end tokens not only call the post
370: * handler, but also tell the respective block
371: * that it must not call the post handler again.
372: */
1.165 kristaps 373: if (ENDBODY_NOT != n->end)
1.162 schwarze 374: n->pending->flags |= MDOC_ENDED;
375:
376: /*
377: * End of line terminating an implicit block
378: * while an explicit block is still open.
379: * Continue the explicit block without spacing.
380: */
381: if (ENDBODY_NOSPACE == n->end)
382: p->flags |= TERMP_NOSPACE;
1.206 kristaps 383: break;
1.162 schwarze 384: }
1.121 kristaps 385:
386: if (MDOC_EOS & n->flags)
387: p->flags |= TERMP_SENTENCE;
1.29 kristaps 388:
1.260 schwarze 389: if (MDOC_ll != n->tok) {
390: p->offset = offset;
391: p->rmargin = rmargin;
392: }
1.1 kristaps 393: }
394:
1.3 kristaps 395: static void
1.145 kristaps 396: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 397: {
1.245 schwarze 398: const struct mdoc_meta *meta;
1.144 kristaps 399:
1.245 schwarze 400: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 401:
1.102 kristaps 402: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 403:
1.264 schwarze 404: /*
1.9 kristaps 405: * Output the footer in new-groff style, that is, three columns
406: * with the middle being the manual date and flanking columns
407: * being the operating system:
408: *
409: * SYSTEM DATE SYSTEM
410: */
411:
1.1 kristaps 412: term_vspace(p);
413:
1.9 kristaps 414: p->offset = 0;
1.264 schwarze 415: p->rmargin = (p->maxrmargin -
416: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 417: p->trailspace = 1;
1.1 kristaps 418: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
419:
1.245 schwarze 420: term_word(p, meta->os);
1.1 kristaps 421: term_flushln(p);
422:
1.9 kristaps 423: p->offset = p->rmargin;
1.245 schwarze 424: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 425: p->flags |= TERMP_NOSPACE;
1.9 kristaps 426:
1.245 schwarze 427: term_word(p, meta->date);
1.9 kristaps 428: term_flushln(p);
429:
1.1 kristaps 430: p->offset = p->rmargin;
431: p->rmargin = p->maxrmargin;
1.250 schwarze 432: p->trailspace = 0;
1.1 kristaps 433: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 434: p->flags |= TERMP_NOSPACE;
1.1 kristaps 435:
1.245 schwarze 436: term_word(p, meta->os);
1.1 kristaps 437: term_flushln(p);
438:
1.9 kristaps 439: p->offset = 0;
440: p->rmargin = p->maxrmargin;
441: p->flags = 0;
1.1 kristaps 442: }
443:
1.3 kristaps 444: static void
1.144 kristaps 445: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 446: {
1.266 schwarze 447: const struct mdoc_meta *meta;
1.267 schwarze 448: char *volume, *title;
449: size_t vollen, titlen;
1.144 kristaps 450:
1.245 schwarze 451: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 452:
453: /*
454: * The header is strange. It has three components, which are
455: * really two with the first duplicated. It goes like this:
456: *
457: * IDENTIFIER TITLE IDENTIFIER
458: *
459: * The IDENTIFIER is NAME(SECTION), which is the command-name
460: * (if given, or "unknown" if not) followed by the manual page
461: * section. These are given in `Dt'. The TITLE is a free-form
462: * string depending on the manual volume. If not specified, it
463: * switches on the manual section.
464: */
465:
1.235 schwarze 466: p->offset = 0;
467: p->rmargin = p->maxrmargin;
468:
1.245 schwarze 469: assert(meta->vol);
1.267 schwarze 470: if (NULL == meta->arch)
471: volume = mandoc_strdup(meta->vol);
472: else
473: mandoc_asprintf(&volume, "%s (%s)",
474: meta->vol, meta->arch);
475: vollen = term_strlen(p, volume);
1.1 kristaps 476:
1.275 schwarze 477: if (NULL == meta->msec)
478: title = mandoc_strdup(meta->title);
479: else
480: mandoc_asprintf(&title, "%s(%s)",
481: meta->title, meta->msec);
1.235 schwarze 482: titlen = term_strlen(p, title);
1.1 kristaps 483:
1.235 schwarze 484: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 485: p->trailspace = 1;
1.1 kristaps 486: p->offset = 0;
1.267 schwarze 487: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
488: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
489: p->maxrmargin - vollen;
1.1 kristaps 490:
491: term_word(p, title);
492: term_flushln(p);
493:
1.235 schwarze 494: p->flags |= TERMP_NOSPACE;
1.1 kristaps 495: p->offset = p->rmargin;
1.267 schwarze 496: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 497: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 498:
1.267 schwarze 499: term_word(p, volume);
1.1 kristaps 500: term_flushln(p);
501:
502: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 503: p->trailspace = 0;
1.235 schwarze 504: if (p->rmargin + titlen <= p->maxrmargin) {
505: p->flags |= TERMP_NOSPACE;
506: p->offset = p->rmargin;
507: p->rmargin = p->maxrmargin;
508: term_word(p, title);
509: term_flushln(p);
510: }
1.1 kristaps 511:
1.235 schwarze 512: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 513: p->offset = 0;
1.1 kristaps 514: p->rmargin = p->maxrmargin;
1.266 schwarze 515: free(title);
1.267 schwarze 516: free(volume);
1.1 kristaps 517: }
518:
519: static size_t
1.157 kristaps 520: a2height(const struct termp *p, const char *v)
1.1 kristaps 521: {
1.92 kristaps 522: struct roffsu su;
1.91 kristaps 523:
1.231 kristaps 524:
1.157 kristaps 525: assert(v);
526: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 527: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 528:
1.157 kristaps 529: return(term_vspan(p, &su));
1.91 kristaps 530: }
1.1 kristaps 531:
1.91 kristaps 532: static size_t
1.157 kristaps 533: a2width(const struct termp *p, const char *v)
1.91 kristaps 534: {
1.92 kristaps 535: struct roffsu su;
1.1 kristaps 536:
1.154 kristaps 537: assert(v);
538: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 539: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 540:
1.157 kristaps 541: return(term_hspan(p, &su));
1.1 kristaps 542: }
543:
544: static size_t
1.157 kristaps 545: a2offs(const struct termp *p, const char *v)
1.1 kristaps 546: {
1.92 kristaps 547: struct roffsu su;
1.1 kristaps 548:
1.148 kristaps 549: if ('\0' == *v)
1.91 kristaps 550: return(0);
1.148 kristaps 551: else if (0 == strcmp(v, "left"))
1.19 kristaps 552: return(0);
1.148 kristaps 553: else if (0 == strcmp(v, "indent"))
1.238 schwarze 554: return(term_len(p, p->defindent + 1));
1.148 kristaps 555: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 556: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 557: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 558: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 559:
1.157 kristaps 560: return(term_hspan(p, &su));
1.1 kristaps 561: }
562:
1.108 kristaps 563: /*
564: * Determine how much space to print out before block elements of `It'
565: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
566: * too.
567: */
1.54 kristaps 568: static void
1.264 schwarze 569: print_bvspace(struct termp *p,
570: const struct mdoc_node *bl,
571: const struct mdoc_node *n)
1.1 kristaps 572: {
1.86 kristaps 573: const struct mdoc_node *nn;
1.236 schwarze 574:
575: assert(n);
1.1 kristaps 576:
577: term_newln(p);
1.150 kristaps 578:
1.202 kristaps 579: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 580: return;
1.202 kristaps 581: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 582: return;
583:
1.85 kristaps 584: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 585:
1.86 kristaps 586: for (nn = n; nn; nn = nn->parent) {
587: if (MDOC_BLOCK != nn->type)
1.1 kristaps 588: continue;
1.86 kristaps 589: if (MDOC_Ss == nn->tok)
1.54 kristaps 590: return;
1.86 kristaps 591: if (MDOC_Sh == nn->tok)
1.54 kristaps 592: return;
1.86 kristaps 593: if (NULL == nn->prev)
1.1 kristaps 594: continue;
595: break;
596: }
597:
1.85 kristaps 598: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 599:
1.202 kristaps 600: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 601: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 602: return;
603:
1.85 kristaps 604: /* A `-diag' without body does not vspace. */
605:
1.202 kristaps 606: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 607: if (n->prev && MDOC_It == n->prev->tok) {
608: assert(n->prev->body);
609: if (NULL == n->prev->body->child)
1.55 kristaps 610: return;
611: }
612:
1.54 kristaps 613: term_vspace(p);
1.260 schwarze 614: }
615:
616:
617: static int
618: termp_ll_pre(DECL_ARGS)
619: {
620:
1.261 schwarze 621: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 622: return(0);
1.1 kristaps 623: }
624:
625: static int
626: termp_it_pre(DECL_ARGS)
627: {
1.86 kristaps 628: const struct mdoc_node *bl, *nn;
1.265 schwarze 629: char buf[24];
1.264 schwarze 630: int i;
631: size_t width, offset, ncols, dcol;
1.126 kristaps 632: enum mdoc_list type;
1.1 kristaps 633:
1.86 kristaps 634: if (MDOC_BLOCK == n->type) {
1.151 kristaps 635: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 636: return(1);
637: }
1.1 kristaps 638:
1.86 kristaps 639: bl = n->parent->parent->parent;
1.202 kristaps 640: type = bl->norm->Bl.type;
1.1 kristaps 641:
1.264 schwarze 642: /*
1.108 kristaps 643: * First calculate width and offset. This is pretty easy unless
644: * we're a -column list, in which case all prior columns must
645: * be accounted for.
646: */
647:
648: width = offset = 0;
649:
1.202 kristaps 650: if (bl->norm->Bl.offs)
651: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 652:
1.1 kristaps 653: switch (type) {
1.264 schwarze 654: case LIST_column:
1.134 kristaps 655: if (MDOC_HEAD == n->type)
1.1 kristaps 656: break;
1.155 kristaps 657:
1.105 kristaps 658: /*
1.108 kristaps 659: * Imitate groff's column handling:
660: * - For each earlier column, add its width.
661: * - For less than 5 columns, add four more blanks per
662: * column.
663: * - For exactly 5 columns, add three more blank per
664: * column.
665: * - For more than 5 columns, add only one column.
1.105 kristaps 666: */
1.202 kristaps 667: ncols = bl->norm->Bl.ncols;
1.264 schwarze 668: dcol = ncols < 5 ? term_len(p, 4) :
669: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 670:
1.134 kristaps 671: /*
672: * Calculate the offset by applying all prior MDOC_BODY,
673: * so we stop at the MDOC_HEAD (NULL == nn->prev).
674: */
675:
1.264 schwarze 676: for (i = 0, nn = n->prev;
677: nn->prev && i < (int)ncols;
678: nn = nn->prev, i++)
679: offset += dcol + a2width(p,
680: bl->norm->Bl.cols[i]);
1.105 kristaps 681:
682: /*
1.108 kristaps 683: * When exceeding the declared number of columns, leave
684: * the remaining widths at 0. This will later be
685: * adjusted to the default width of 10, or, for the last
686: * column, stretched to the right margin.
1.58 kristaps 687: */
1.108 kristaps 688: if (i >= (int)ncols)
689: break;
1.58 kristaps 690:
1.105 kristaps 691: /*
1.108 kristaps 692: * Use the declared column widths, extended as explained
693: * in the preceding paragraph.
1.105 kristaps 694: */
1.202 kristaps 695: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 696: break;
697: default:
1.202 kristaps 698: if (NULL == bl->norm->Bl.width)
1.108 kristaps 699: break;
700:
1.264 schwarze 701: /*
1.108 kristaps 702: * Note: buffer the width by 2, which is groff's magic
703: * number for buffering single arguments. See the above
704: * handling for column for how this changes.
705: */
1.202 kristaps 706: assert(bl->norm->Bl.width);
707: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 708: break;
709: }
710:
1.264 schwarze 711: /*
1.1 kristaps 712: * List-type can override the width in the case of fixed-head
713: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 714: * offset.
1.1 kristaps 715: */
716:
717: switch (type) {
1.264 schwarze 718: case LIST_bullet:
1.1 kristaps 719: /* FALLTHROUGH */
1.264 schwarze 720: case LIST_dash:
1.1 kristaps 721: /* FALLTHROUGH */
1.264 schwarze 722: case LIST_hyphen:
1.242 schwarze 723: /* FALLTHROUGH */
1.264 schwarze 724: case LIST_enum:
1.242 schwarze 725: if (width < term_len(p, 2))
726: width = term_len(p, 2);
1.17 kristaps 727: break;
1.264 schwarze 728: case LIST_hang:
1.39 kristaps 729: if (0 == width)
1.157 kristaps 730: width = term_len(p, 8);
1.39 kristaps 731: break;
1.264 schwarze 732: case LIST_column:
1.49 kristaps 733: /* FALLTHROUGH */
1.264 schwarze 734: case LIST_tag:
1.1 kristaps 735: if (0 == width)
1.157 kristaps 736: width = term_len(p, 10);
1.1 kristaps 737: break;
738: default:
739: break;
740: }
741:
1.264 schwarze 742: /*
1.17 kristaps 743: * Whitespace control. Inset bodies need an initial space,
744: * while diagonal bodies need two.
1.1 kristaps 745: */
746:
1.51 kristaps 747: p->flags |= TERMP_NOSPACE;
748:
1.1 kristaps 749: switch (type) {
1.264 schwarze 750: case LIST_diag:
1.86 kristaps 751: if (MDOC_BODY == n->type)
1.62 kristaps 752: term_word(p, "\\ \\ ");
1.51 kristaps 753: break;
1.264 schwarze 754: case LIST_inset:
1.270 schwarze 755: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 756: term_word(p, "\\ ");
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
1.51 kristaps 762: p->flags |= TERMP_NOSPACE;
763:
1.1 kristaps 764: switch (type) {
1.264 schwarze 765: case LIST_diag:
1.86 kristaps 766: if (MDOC_HEAD == n->type)
1.102 kristaps 767: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 768: break;
769: default:
770: break;
771: }
772:
773: /*
1.109 kristaps 774: * Pad and break control. This is the tricky part. These flags
775: * are documented in term_flushln() in term.c. Note that we're
776: * going to unset all of these flags in termp_it_post() when we
777: * exit.
1.1 kristaps 778: */
779:
780: switch (type) {
1.264 schwarze 781: case LIST_enum:
1.242 schwarze 782: /*
783: * Weird special case.
784: * Very narrow enum lists actually hang.
785: */
786: if (width == term_len(p, 2))
787: p->flags |= TERMP_HANG;
788: /* FALLTHROUGH */
1.264 schwarze 789: case LIST_bullet:
1.1 kristaps 790: /* FALLTHROUGH */
1.264 schwarze 791: case LIST_dash:
1.1 kristaps 792: /* FALLTHROUGH */
1.264 schwarze 793: case LIST_hyphen:
1.250 schwarze 794: if (MDOC_HEAD != n->type)
795: break;
796: p->flags |= TERMP_NOBREAK;
797: p->trailspace = 1;
1.39 kristaps 798: break;
1.264 schwarze 799: case LIST_hang:
1.250 schwarze 800: if (MDOC_HEAD != n->type)
1.59 kristaps 801: break;
802:
803: /*
804: * This is ugly. If `-hang' is specified and the body
805: * is a `Bl' or `Bd', then we want basically to nullify
806: * the "overstep" effect in term_flushln() and treat
807: * this as a `-ohang' list instead.
808: */
1.279 schwarze 809: if (NULL != n->next &&
1.278 schwarze 810: NULL != n->next->child &&
811: (MDOC_Bl == n->next->child->tok ||
812: MDOC_Bd == n->next->child->tok))
1.250 schwarze 813: break;
814:
1.263 schwarze 815: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 816: p->trailspace = 1;
1.39 kristaps 817: break;
1.264 schwarze 818: case LIST_tag:
1.86 kristaps 819: if (MDOC_HEAD != n->type)
1.39 kristaps 820: break;
1.250 schwarze 821:
1.263 schwarze 822: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 823: p->trailspace = 2;
824:
1.86 kristaps 825: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 826: p->flags |= TERMP_DANGLE;
1.1 kristaps 827: break;
1.264 schwarze 828: case LIST_column:
1.134 kristaps 829: if (MDOC_HEAD == n->type)
830: break;
831:
1.250 schwarze 832: if (NULL == n->next) {
1.134 kristaps 833: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 834: p->trailspace = 0;
835: } else {
1.134 kristaps 836: p->flags |= TERMP_NOBREAK;
1.250 schwarze 837: p->trailspace = 1;
838: }
1.134 kristaps 839:
1.1 kristaps 840: break;
1.264 schwarze 841: case LIST_diag:
1.250 schwarze 842: if (MDOC_HEAD != n->type)
843: break;
1.263 schwarze 844: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 845: p->trailspace = 1;
1.1 kristaps 846: break;
847: default:
848: break;
849: }
850:
1.264 schwarze 851: /*
1.1 kristaps 852: * Margin control. Set-head-width lists have their right
853: * margins shortened. The body for these lists has the offset
854: * necessarily lengthened. Everybody gets the offset.
855: */
856:
857: p->offset += offset;
858:
859: switch (type) {
1.264 schwarze 860: case LIST_hang:
1.59 kristaps 861: /*
862: * Same stipulation as above, regarding `-hang'. We
863: * don't want to recalculate rmargin and offsets when
864: * using `Bd' or `Bl' within `-hang' overstep lists.
865: */
1.279 schwarze 866: if (MDOC_HEAD == n->type &&
867: NULL != n->next &&
1.278 schwarze 868: NULL != n->next->child &&
869: (MDOC_Bl == n->next->child->tok ||
870: MDOC_Bd == n->next->child->tok))
1.59 kristaps 871: break;
872: /* FALLTHROUGH */
1.264 schwarze 873: case LIST_bullet:
1.1 kristaps 874: /* FALLTHROUGH */
1.264 schwarze 875: case LIST_dash:
1.1 kristaps 876: /* FALLTHROUGH */
1.264 schwarze 877: case LIST_enum:
1.1 kristaps 878: /* FALLTHROUGH */
1.264 schwarze 879: case LIST_hyphen:
1.1 kristaps 880: /* FALLTHROUGH */
1.264 schwarze 881: case LIST_tag:
1.49 kristaps 882: assert(width);
1.86 kristaps 883: if (MDOC_HEAD == n->type)
1.1 kristaps 884: p->rmargin = p->offset + width;
1.259 schwarze 885: else {
1.1 kristaps 886: p->offset += width;
1.259 schwarze 887: if (p->rmargin < p->offset)
888: p->rmargin = p->offset;
889: }
1.1 kristaps 890: break;
1.264 schwarze 891: case LIST_column:
1.49 kristaps 892: assert(width);
1.1 kristaps 893: p->rmargin = p->offset + width;
1.264 schwarze 894: /*
1.50 kristaps 895: * XXX - this behaviour is not documented: the
896: * right-most column is filled to the right margin.
897: */
1.134 kristaps 898: if (MDOC_HEAD == n->type)
899: break;
900: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 901: p->rmargin = p->maxrmargin;
1.1 kristaps 902: break;
903: default:
904: break;
905: }
906:
1.264 schwarze 907: /*
1.1 kristaps 908: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 909: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 910: */
911:
1.86 kristaps 912: if (MDOC_HEAD == n->type)
1.1 kristaps 913: switch (type) {
1.264 schwarze 914: case LIST_bullet:
1.102 kristaps 915: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 916: term_word(p, "\\[bu]");
1.102 kristaps 917: term_fontpop(p);
1.1 kristaps 918: break;
1.264 schwarze 919: case LIST_dash:
1.1 kristaps 920: /* FALLTHROUGH */
1.264 schwarze 921: case LIST_hyphen:
1.102 kristaps 922: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 923: term_word(p, "\\(hy");
1.102 kristaps 924: term_fontpop(p);
1.1 kristaps 925: break;
1.264 schwarze 926: case LIST_enum:
1.1 kristaps 927: (pair->ppair->ppair->count)++;
1.265 schwarze 928: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 929: pair->ppair->ppair->count);
1.1 kristaps 930: term_word(p, buf);
931: break;
932: default:
933: break;
934: }
935:
1.264 schwarze 936: /*
1.1 kristaps 937: * If we're not going to process our children, indicate so here.
938: */
939:
940: switch (type) {
1.264 schwarze 941: case LIST_bullet:
1.1 kristaps 942: /* FALLTHROUGH */
1.264 schwarze 943: case LIST_item:
1.1 kristaps 944: /* FALLTHROUGH */
1.264 schwarze 945: case LIST_dash:
1.1 kristaps 946: /* FALLTHROUGH */
1.264 schwarze 947: case LIST_hyphen:
1.1 kristaps 948: /* FALLTHROUGH */
1.264 schwarze 949: case LIST_enum:
1.86 kristaps 950: if (MDOC_HEAD == n->type)
1.1 kristaps 951: return(0);
952: break;
1.264 schwarze 953: case LIST_column:
1.134 kristaps 954: if (MDOC_HEAD == n->type)
1.1 kristaps 955: return(0);
956: break;
957: default:
958: break;
959: }
960:
961: return(1);
962: }
963:
964: static void
965: termp_it_post(DECL_ARGS)
966: {
1.126 kristaps 967: enum mdoc_list type;
1.1 kristaps 968:
1.109 kristaps 969: if (MDOC_BLOCK == n->type)
1.1 kristaps 970: return;
971:
1.202 kristaps 972: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 973:
974: switch (type) {
1.264 schwarze 975: case LIST_item:
1.1 kristaps 976: /* FALLTHROUGH */
1.264 schwarze 977: case LIST_diag:
1.53 kristaps 978: /* FALLTHROUGH */
1.264 schwarze 979: case LIST_inset:
1.86 kristaps 980: if (MDOC_BODY == n->type)
1.130 schwarze 981: term_newln(p);
1.1 kristaps 982: break;
1.264 schwarze 983: case LIST_column:
1.134 kristaps 984: if (MDOC_BODY == n->type)
1.1 kristaps 985: term_flushln(p);
986: break;
987: default:
1.130 schwarze 988: term_newln(p);
1.1 kristaps 989: break;
990: }
991:
1.264 schwarze 992: /*
1.109 kristaps 993: * Now that our output is flushed, we can reset our tags. Since
994: * only `It' sets these flags, we're free to assume that nobody
995: * has munged them in the meanwhile.
996: */
997:
1.263 schwarze 998: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
999: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 1000: p->trailspace = 0;
1.1 kristaps 1001: }
1002:
1003: static int
1004: termp_nm_pre(DECL_ARGS)
1005: {
1006:
1.253 schwarze 1007: if (MDOC_BLOCK == n->type) {
1008: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1009: return(1);
1.253 schwarze 1010: }
1.164 schwarze 1011:
1012: if (MDOC_BODY == n->type) {
1013: if (NULL == n->child)
1014: return(0);
1.234 schwarze 1015: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1016: p->offset += term_len(p, 1) +
1.245 schwarze 1017: (NULL == n->prev->child ?
1018: term_strlen(p, meta->name) :
1.164 schwarze 1019: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1020: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1021: term_len(p, 5));
1.262 schwarze 1022: if (p->rmargin < p->offset)
1023: p->rmargin = p->offset;
1.164 schwarze 1024: return(1);
1025: }
1026:
1.245 schwarze 1027: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1028: return(0);
1.125 kristaps 1029:
1.177 schwarze 1030: if (MDOC_HEAD == n->type)
1031: synopsis_pre(p, n->parent);
1.102 kristaps 1032:
1.279 schwarze 1033: if (MDOC_HEAD == n->type &&
1.278 schwarze 1034: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1035: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1036: p->trailspace = 1;
1.185 schwarze 1037: p->rmargin = p->offset + term_len(p, 1);
1038: if (NULL == n->child) {
1.245 schwarze 1039: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1040: } else if (MDOC_TEXT == n->child->type) {
1041: p->rmargin += term_strlen(p, n->child->string);
1042: if (n->child->next)
1043: p->flags |= TERMP_HANG;
1044: } else {
1045: p->rmargin += term_len(p, 5);
1046: p->flags |= TERMP_HANG;
1047: }
1.164 schwarze 1048: }
1049:
1.102 kristaps 1050: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1051: if (NULL == n->child)
1.245 schwarze 1052: term_word(p, meta->name);
1.1 kristaps 1053: return(1);
1054: }
1055:
1.164 schwarze 1056: static void
1057: termp_nm_post(DECL_ARGS)
1058: {
1059:
1.253 schwarze 1060: if (MDOC_BLOCK == n->type) {
1061: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 schwarze 1062: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1063: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1064: term_flushln(p);
1.263 schwarze 1065: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1066: p->trailspace = 0;
1.234 schwarze 1067: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1068: term_flushln(p);
1069: }
1070:
1.1 kristaps 1071: static int
1072: termp_fl_pre(DECL_ARGS)
1073: {
1074:
1.102 kristaps 1075: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1076: term_word(p, "\\-");
1.103 kristaps 1077:
1.280 ! schwarze 1078: if ( ! (n->nchild == 0 &&
! 1079: (n->next == NULL ||
! 1080: n->next->type == MDOC_TEXT ||
! 1081: n->next->flags & MDOC_LINE)))
1.103 kristaps 1082: p->flags |= TERMP_NOSPACE;
1083:
1.1 kristaps 1084: return(1);
1085: }
1086:
1087: static int
1.184 kristaps 1088: termp__a_pre(DECL_ARGS)
1089: {
1090:
1091: if (n->prev && MDOC__A == n->prev->tok)
1092: if (NULL == n->next || MDOC__A != n->next->tok)
1093: term_word(p, "and");
1094:
1095: return(1);
1096: }
1097:
1098: static int
1.61 kristaps 1099: termp_an_pre(DECL_ARGS)
1100: {
1101:
1.86 kristaps 1102: if (NULL == n->child)
1.61 kristaps 1103: return(1);
1104:
1105: /*
1.85 kristaps 1106: * If not in the AUTHORS section, `An -split' will cause
1107: * newlines to occur before the author name. If in the AUTHORS
1108: * section, by default, the first `An' invocation is nosplit,
1109: * then all subsequent ones, regardless of whether interspersed
1110: * with other macros/text, are split. -split, in this case,
1111: * will override the condition of the implied first -nosplit.
1.61 kristaps 1112: */
1.264 schwarze 1113:
1.86 kristaps 1114: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1115: if ( ! (TERMP_ANPREC & p->flags)) {
1116: if (TERMP_SPLIT & p->flags)
1117: term_newln(p);
1118: return(1);
1119: }
1120: if (TERMP_NOSPLIT & p->flags)
1121: return(1);
1122: term_newln(p);
1123: return(1);
1124: }
1125:
1126: if (TERMP_SPLIT & p->flags)
1127: term_newln(p);
1128:
1129: return(1);
1130: }
1131:
1132: static void
1133: termp_an_post(DECL_ARGS)
1134: {
1135:
1.86 kristaps 1136: if (n->child) {
1137: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1138: p->flags |= TERMP_ANPREC;
1139: return;
1140: }
1141:
1.202 kristaps 1142: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1143: p->flags &= ~TERMP_NOSPLIT;
1144: p->flags |= TERMP_SPLIT;
1.202 kristaps 1145: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1146: p->flags &= ~TERMP_SPLIT;
1147: p->flags |= TERMP_NOSPLIT;
1148: }
1149:
1150: }
1151:
1152: static int
1.1 kristaps 1153: termp_ns_pre(DECL_ARGS)
1154: {
1155:
1.215 kristaps 1156: if ( ! (MDOC_LINE & n->flags))
1157: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1158: return(1);
1159: }
1160:
1161: static int
1162: termp_rs_pre(DECL_ARGS)
1163: {
1164:
1.86 kristaps 1165: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1166: return(1);
1.86 kristaps 1167: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1168: term_vspace(p);
1169: return(1);
1170: }
1171:
1172: static int
1173: termp_rv_pre(DECL_ARGS)
1174: {
1.223 kristaps 1175: int nchild;
1.1 kristaps 1176:
1177: term_newln(p);
1178:
1.223 kristaps 1179: nchild = n->nchild;
1.273 schwarze 1180: if (nchild > 0) {
1181: term_word(p, "The");
1.224 kristaps 1182:
1.273 schwarze 1183: for (n = n->child; n; n = n->next) {
1184: term_fontpush(p, TERMFONT_BOLD);
1185: term_word(p, n->string);
1186: term_fontpop(p);
1.223 kristaps 1187:
1188: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1189: term_word(p, "()");
1190:
1191: if (n->next == NULL)
1192: continue;
1193:
1194: if (nchild > 2) {
1195: p->flags |= TERMP_NOSPACE;
1196: term_word(p, ",");
1197: }
1198: if (n->next->next == NULL)
1199: term_word(p, "and");
1.223 kristaps 1200: }
1201:
1.273 schwarze 1202: if (nchild > 1)
1203: term_word(p, "functions return");
1204: else
1205: term_word(p, "function returns");
1206:
1207: term_word(p, "the value\\~0 if successful;");
1208: } else
1209: term_word(p, "Upon successful completion,"
1210: " the value\\~0 is returned;");
1.1 kristaps 1211:
1.273 schwarze 1212: term_word(p, "otherwise the value\\~\\-1 is returned"
1213: " and the global variable");
1.1 kristaps 1214:
1.102 kristaps 1215: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1216: term_word(p, "errno");
1.102 kristaps 1217: term_fontpop(p);
1.1 kristaps 1218:
1.264 schwarze 1219: term_word(p, "is set to indicate the error.");
1.131 kristaps 1220: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1221:
1.68 kristaps 1222: return(0);
1.1 kristaps 1223: }
1224:
1225: static int
1226: termp_ex_pre(DECL_ARGS)
1227: {
1.224 kristaps 1228: int nchild;
1.1 kristaps 1229:
1.224 kristaps 1230: term_newln(p);
1.68 kristaps 1231: term_word(p, "The");
1.1 kristaps 1232:
1.224 kristaps 1233: nchild = n->nchild;
1234: for (n = n->child; n; n = n->next) {
1.102 kristaps 1235: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1236: term_word(p, n->string);
1.102 kristaps 1237: term_fontpop(p);
1.224 kristaps 1238:
1239: if (nchild > 2 && n->next) {
1240: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1241: term_word(p, ",");
1.224 kristaps 1242: }
1243:
1244: if (n->next && NULL == n->next->next)
1245: term_word(p, "and");
1.68 kristaps 1246: }
1247:
1.224 kristaps 1248: if (nchild > 1)
1.273 schwarze 1249: term_word(p, "utilities exit\\~0");
1.68 kristaps 1250: else
1.273 schwarze 1251: term_word(p, "utility exits\\~0");
1.68 kristaps 1252:
1.273 schwarze 1253: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1254:
1.131 kristaps 1255: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1256: return(0);
1.1 kristaps 1257: }
1258:
1259: static int
1260: termp_nd_pre(DECL_ARGS)
1261: {
1.25 kristaps 1262:
1.86 kristaps 1263: if (MDOC_BODY != n->type)
1.25 kristaps 1264: return(1);
1.30 kristaps 1265:
1.27 kristaps 1266: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1267: term_word(p, "\\(en");
1.23 kristaps 1268: #else
1269: term_word(p, "\\(em");
1270: #endif
1.1 kristaps 1271: return(1);
1.115 kristaps 1272: }
1273:
1274: static int
1275: termp_bl_pre(DECL_ARGS)
1276: {
1277:
1278: return(MDOC_HEAD != n->type);
1.1 kristaps 1279: }
1280:
1281: static void
1282: termp_bl_post(DECL_ARGS)
1283: {
1284:
1.86 kristaps 1285: if (MDOC_BLOCK == n->type)
1.1 kristaps 1286: term_newln(p);
1287: }
1288:
1289: static int
1290: termp_xr_pre(DECL_ARGS)
1291: {
1292:
1.225 kristaps 1293: if (NULL == (n = n->child))
1.113 kristaps 1294: return(0);
1295:
1.225 kristaps 1296: assert(MDOC_TEXT == n->type);
1297: term_word(p, n->string);
1.11 kristaps 1298:
1.264 schwarze 1299: if (NULL == (n = n->next))
1.1 kristaps 1300: return(0);
1.225 kristaps 1301:
1.1 kristaps 1302: p->flags |= TERMP_NOSPACE;
1303: term_word(p, "(");
1.222 kristaps 1304: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1305:
1306: assert(MDOC_TEXT == n->type);
1307: term_word(p, n->string);
1308:
1.222 kristaps 1309: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1310: term_word(p, ")");
1.86 kristaps 1311:
1.1 kristaps 1312: return(0);
1313: }
1314:
1.143 kristaps 1315: /*
1316: * This decides how to assert whitespace before any of the SYNOPSIS set
1317: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1318: * macro combos).
1319: */
1320: static void
1321: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1322: {
1.264 schwarze 1323: /*
1.143 kristaps 1324: * Obviously, if we're not in a SYNOPSIS or no prior macros
1325: * exist, do nothing.
1326: */
1.160 kristaps 1327: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1328: return;
1329:
1330: /*
1331: * If we're the second in a pair of like elements, emit our
1332: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1333: * case we soldier on.
1334: */
1.264 schwarze 1335: if (n->prev->tok == n->tok &&
1336: MDOC_Ft != n->tok &&
1337: MDOC_Fo != n->tok &&
1338: MDOC_Fn != n->tok) {
1.143 kristaps 1339: term_newln(p);
1340: return;
1341: }
1342:
1343: /*
1344: * If we're one of the SYNOPSIS set and non-like pair-wise after
1345: * another (or Fn/Fo, which we've let slip through) then assert
1346: * vertical space, else only newline and move on.
1347: */
1348: switch (n->prev->tok) {
1.264 schwarze 1349: case MDOC_Fd:
1.143 kristaps 1350: /* FALLTHROUGH */
1.264 schwarze 1351: case MDOC_Fn:
1.143 kristaps 1352: /* FALLTHROUGH */
1.264 schwarze 1353: case MDOC_Fo:
1.143 kristaps 1354: /* FALLTHROUGH */
1.264 schwarze 1355: case MDOC_In:
1.143 kristaps 1356: /* FALLTHROUGH */
1.264 schwarze 1357: case MDOC_Vt:
1.143 kristaps 1358: term_vspace(p);
1359: break;
1.264 schwarze 1360: case MDOC_Ft:
1.143 kristaps 1361: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1362: term_vspace(p);
1363: break;
1364: }
1365: /* FALLTHROUGH */
1366: default:
1367: term_newln(p);
1368: break;
1369: }
1370: }
1371:
1.110 kristaps 1372: static int
1373: termp_vt_pre(DECL_ARGS)
1374: {
1375:
1.143 kristaps 1376: if (MDOC_ELEM == n->type) {
1377: synopsis_pre(p, n);
1.245 schwarze 1378: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1379: } else if (MDOC_BLOCK == n->type) {
1380: synopsis_pre(p, n);
1381: return(1);
1382: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1383: return(0);
1384:
1.245 schwarze 1385: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1386: }
1387:
1.1 kristaps 1388: static int
1.69 kristaps 1389: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1390: {
1391:
1.102 kristaps 1392: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1393: return(1);
1394: }
1395:
1.143 kristaps 1396: static int
1397: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1398: {
1399:
1.143 kristaps 1400: synopsis_pre(p, n);
1.245 schwarze 1401: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1402: }
1403:
1.241 schwarze 1404: static void
1405: termp_fd_post(DECL_ARGS)
1406: {
1407:
1408: term_newln(p);
1409: }
1410:
1.1 kristaps 1411: static int
1412: termp_sh_pre(DECL_ARGS)
1413: {
1.85 kristaps 1414:
1415: /* No vspace between consecutive `Sh' calls. */
1416:
1.86 kristaps 1417: switch (n->type) {
1.264 schwarze 1418: case MDOC_BLOCK:
1.86 kristaps 1419: if (n->prev && MDOC_Sh == n->prev->tok)
1420: if (NULL == n->prev->body->child)
1.65 kristaps 1421: break;
1422: term_vspace(p);
1423: break;
1.264 schwarze 1424: case MDOC_HEAD:
1.102 kristaps 1425: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1426: break;
1.264 schwarze 1427: case MDOC_BODY:
1.238 schwarze 1428: p->offset = term_len(p, p->defindent);
1.239 schwarze 1429: if (SEC_AUTHORS == n->sec)
1430: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1431: break;
1432: default:
1433: break;
1434: }
1435: return(1);
1436: }
1437:
1438: static void
1439: termp_sh_post(DECL_ARGS)
1440: {
1441:
1.86 kristaps 1442: switch (n->type) {
1.264 schwarze 1443: case MDOC_HEAD:
1.1 kristaps 1444: term_newln(p);
1445: break;
1.264 schwarze 1446: case MDOC_BODY:
1.1 kristaps 1447: term_newln(p);
1448: p->offset = 0;
1449: break;
1450: default:
1451: break;
1452: }
1453: }
1454:
1455: static int
1456: termp_bt_pre(DECL_ARGS)
1457: {
1458:
1459: term_word(p, "is currently in beta test.");
1.131 kristaps 1460: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1461: return(0);
1.1 kristaps 1462: }
1463:
1464: static void
1465: termp_lb_post(DECL_ARGS)
1466: {
1467:
1.122 kristaps 1468: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1469: term_newln(p);
1.1 kristaps 1470: }
1471:
1472: static int
1473: termp_ud_pre(DECL_ARGS)
1474: {
1475:
1476: term_word(p, "currently under development.");
1.131 kristaps 1477: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1478: return(0);
1.1 kristaps 1479: }
1480:
1481: static int
1482: termp_d1_pre(DECL_ARGS)
1483: {
1484:
1.86 kristaps 1485: if (MDOC_BLOCK != n->type)
1.1 kristaps 1486: return(1);
1487: term_newln(p);
1.238 schwarze 1488: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1489: return(1);
1490: }
1491:
1492: static int
1493: termp_ft_pre(DECL_ARGS)
1494: {
1495:
1.141 kristaps 1496: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1497: synopsis_pre(p, n);
1.102 kristaps 1498: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1499: return(1);
1500: }
1501:
1502: static int
1503: termp_fn_pre(DECL_ARGS)
1504: {
1.257 schwarze 1505: size_t rmargin = 0;
1.226 kristaps 1506: int pretty;
1507:
1508: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1509:
1.143 kristaps 1510: synopsis_pre(p, n);
1.139 kristaps 1511:
1.226 kristaps 1512: if (NULL == (n = n->child))
1513: return(0);
1514:
1.251 schwarze 1515: if (pretty) {
1516: rmargin = p->rmargin;
1.257 schwarze 1517: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1518: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1519: }
1520:
1.226 kristaps 1521: assert(MDOC_TEXT == n->type);
1.102 kristaps 1522: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1523: term_word(p, n->string);
1.102 kristaps 1524: term_fontpop(p);
1.1 kristaps 1525:
1.251 schwarze 1526: if (pretty) {
1527: term_flushln(p);
1.263 schwarze 1528: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1529: p->offset = p->rmargin;
1530: p->rmargin = rmargin;
1531: }
1532:
1.1 kristaps 1533: p->flags |= TERMP_NOSPACE;
1534: term_word(p, "(");
1.222 kristaps 1535: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1536:
1.226 kristaps 1537: for (n = n->next; n; n = n->next) {
1538: assert(MDOC_TEXT == n->type);
1.102 kristaps 1539: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1540: if (pretty)
1541: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1542: term_word(p, n->string);
1.102 kristaps 1543: term_fontpop(p);
1544:
1.226 kristaps 1545: if (n->next) {
1.222 kristaps 1546: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1547: term_word(p, ",");
1.222 kristaps 1548: }
1.1 kristaps 1549: }
1550:
1.222 kristaps 1551: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1552: term_word(p, ")");
1553:
1.226 kristaps 1554: if (pretty) {
1.222 kristaps 1555: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1556: term_word(p, ";");
1.251 schwarze 1557: term_flushln(p);
1.222 kristaps 1558: }
1.1 kristaps 1559:
1560: return(0);
1561: }
1562:
1563: static int
1564: termp_fa_pre(DECL_ARGS)
1565: {
1.86 kristaps 1566: const struct mdoc_node *nn;
1.1 kristaps 1567:
1.86 kristaps 1568: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1569: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1570: return(1);
1571: }
1572:
1.86 kristaps 1573: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1574: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1575: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1576: term_word(p, nn->string);
1.102 kristaps 1577: term_fontpop(p);
1578:
1.256 schwarze 1579: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1580: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1581: term_word(p, ",");
1.222 kristaps 1582: }
1.1 kristaps 1583: }
1584:
1585: return(0);
1586: }
1587:
1588: static int
1589: termp_bd_pre(DECL_ARGS)
1590: {
1.272 schwarze 1591: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1592: struct mdoc_node *nn;
1.1 kristaps 1593:
1.86 kristaps 1594: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1595: print_bvspace(p, n, n);
1.54 kristaps 1596: return(1);
1.116 kristaps 1597: } else if (MDOC_HEAD == n->type)
1598: return(0);
1.1 kristaps 1599:
1.202 kristaps 1600: if (n->norm->Bd.offs)
1601: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1602:
1603: /*
1604: * If -ragged or -filled are specified, the block does nothing
1605: * but change the indentation. If -unfilled or -literal are
1606: * specified, text is printed exactly as entered in the display:
1607: * for macro lines, a newline is appended to the line. Blank
1608: * lines are allowed.
1609: */
1.264 schwarze 1610:
1611: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1612: DISP_unfilled != n->norm->Bd.type &&
1613: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1614: return(1);
1615:
1.129 schwarze 1616: tabwidth = p->tabwidth;
1.208 kristaps 1617: if (DISP_literal == n->norm->Bd.type)
1618: p->tabwidth = term_len(p, 8);
1619:
1.272 schwarze 1620: lm = p->offset;
1.119 kristaps 1621: rm = p->rmargin;
1622: rmax = p->maxrmargin;
1.120 kristaps 1623: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1624:
1.86 kristaps 1625: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1626: if (DISP_centered == n->norm->Bd.type) {
1627: if (MDOC_TEXT == nn->type) {
1628: len = term_strlen(p, nn->string);
1629: p->offset = len >= rm ? 0 :
1630: lm + len >= rm ? rm - len :
1631: (lm + rm - len) / 2;
1632: } else
1633: p->offset = lm;
1634: }
1.245 schwarze 1635: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1636: /*
1637: * If the printed node flushes its own line, then we
1638: * needn't do it here as well. This is hacky, but the
1639: * notion of selective eoln whitespace is pretty dumb
1640: * anyway, so don't sweat it.
1641: */
1642: switch (nn->tok) {
1.264 schwarze 1643: case MDOC_Sm:
1.193 kristaps 1644: /* FALLTHROUGH */
1.264 schwarze 1645: case MDOC_br:
1.190 kristaps 1646: /* FALLTHROUGH */
1.264 schwarze 1647: case MDOC_sp:
1.190 kristaps 1648: /* FALLTHROUGH */
1.264 schwarze 1649: case MDOC_Bl:
1.196 kristaps 1650: /* FALLTHROUGH */
1.264 schwarze 1651: case MDOC_D1:
1.196 kristaps 1652: /* FALLTHROUGH */
1.264 schwarze 1653: case MDOC_Dl:
1.190 kristaps 1654: /* FALLTHROUGH */
1.264 schwarze 1655: case MDOC_Lp:
1.190 kristaps 1656: /* FALLTHROUGH */
1.264 schwarze 1657: case MDOC_Pp:
1.190 kristaps 1658: continue;
1659: default:
1660: break;
1661: }
1.180 schwarze 1662: if (nn->next && nn->next->line == nn->line)
1663: continue;
1664: term_flushln(p);
1665: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1666: }
1.147 kristaps 1667:
1.129 schwarze 1668: p->tabwidth = tabwidth;
1.119 kristaps 1669: p->rmargin = rm;
1670: p->maxrmargin = rmax;
1.1 kristaps 1671: return(0);
1672: }
1673:
1674: static void
1675: termp_bd_post(DECL_ARGS)
1676: {
1.119 kristaps 1677: size_t rm, rmax;
1.1 kristaps 1678:
1.264 schwarze 1679: if (MDOC_BODY != n->type)
1.1 kristaps 1680: return;
1.118 kristaps 1681:
1.119 kristaps 1682: rm = p->rmargin;
1683: rmax = p->maxrmargin;
1.118 kristaps 1684:
1.264 schwarze 1685: if (DISP_literal == n->norm->Bd.type ||
1686: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1687: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1688:
1.60 kristaps 1689: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1690: term_newln(p);
1.118 kristaps 1691:
1.119 kristaps 1692: p->rmargin = rm;
1693: p->maxrmargin = rmax;
1.1 kristaps 1694: }
1695:
1.211 kristaps 1696: static int
1697: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1698: {
1699:
1.211 kristaps 1700: if (NULL != (n = n->child)) {
1701: term_word(p, n->string);
1702: p->flags |= TERMP_NOSPACE;
1703: term_word(p, "BSD");
1704: } else {
1705: term_word(p, "BSD");
1706: return(0);
1707: }
1708:
1709: if (NULL != (n = n->next)) {
1710: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1711: term_word(p, "-");
1.1 kristaps 1712: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1713: term_word(p, n->string);
1.211 kristaps 1714: }
1715:
1716: return(0);
1.1 kristaps 1717: }
1718:
1719: static int
1.26 kristaps 1720: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1721: {
1.26 kristaps 1722: const char *pp;
1.218 schwarze 1723: int flags;
1.1 kristaps 1724:
1.26 kristaps 1725: pp = NULL;
1.86 kristaps 1726: switch (n->tok) {
1.264 schwarze 1727: case MDOC_Bsx:
1.194 schwarze 1728: pp = "BSD/OS";
1.26 kristaps 1729: break;
1.264 schwarze 1730: case MDOC_Dx:
1.100 kristaps 1731: pp = "DragonFly";
1.26 kristaps 1732: break;
1.264 schwarze 1733: case MDOC_Fx:
1.26 kristaps 1734: pp = "FreeBSD";
1735: break;
1.264 schwarze 1736: case MDOC_Nx:
1.26 kristaps 1737: pp = "NetBSD";
1738: break;
1.264 schwarze 1739: case MDOC_Ox:
1.26 kristaps 1740: pp = "OpenBSD";
1741: break;
1.264 schwarze 1742: case MDOC_Ux:
1.26 kristaps 1743: pp = "UNIX";
1744: break;
1745: default:
1.246 schwarze 1746: abort();
1747: /* NOTREACHED */
1.26 kristaps 1748: }
1.1 kristaps 1749:
1.26 kristaps 1750: term_word(p, pp);
1.214 kristaps 1751: if (n->child) {
1.218 schwarze 1752: flags = p->flags;
1.214 kristaps 1753: p->flags |= TERMP_KEEP;
1754: term_word(p, n->child->string);
1.218 schwarze 1755: p->flags = flags;
1.214 kristaps 1756: }
1757: return(0);
1.1 kristaps 1758: }
1759:
1760: static void
1761: termp_pf_post(DECL_ARGS)
1762: {
1763:
1764: p->flags |= TERMP_NOSPACE;
1765: }
1766:
1767: static int
1768: termp_ss_pre(DECL_ARGS)
1769: {
1770:
1.86 kristaps 1771: switch (n->type) {
1.264 schwarze 1772: case MDOC_BLOCK:
1.1 kristaps 1773: term_newln(p);
1.86 kristaps 1774: if (n->prev)
1.1 kristaps 1775: term_vspace(p);
1776: break;
1.264 schwarze 1777: case MDOC_HEAD:
1.102 kristaps 1778: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1779: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1780: break;
1.274 schwarze 1781: case MDOC_BODY:
1782: p->offset = term_len(p, p->defindent);
1783: break;
1.1 kristaps 1784: default:
1785: break;
1786: }
1787:
1788: return(1);
1789: }
1790:
1791: static void
1792: termp_ss_post(DECL_ARGS)
1793: {
1794:
1.274 schwarze 1795: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1796: term_newln(p);
1797: }
1798:
1799: static int
1800: termp_cd_pre(DECL_ARGS)
1801: {
1802:
1.143 kristaps 1803: synopsis_pre(p, n);
1.102 kristaps 1804: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1805: return(1);
1806: }
1807:
1808: static int
1809: termp_in_pre(DECL_ARGS)
1810: {
1.142 schwarze 1811:
1.143 kristaps 1812: synopsis_pre(p, n);
1.1 kristaps 1813:
1.160 kristaps 1814: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1815: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1816: term_word(p, "#include");
1.138 kristaps 1817: term_word(p, "<");
1818: } else {
1819: term_word(p, "<");
1820: term_fontpush(p, TERMFONT_UNDER);
1821: }
1.22 kristaps 1822:
1.1 kristaps 1823: p->flags |= TERMP_NOSPACE;
1824: return(1);
1825: }
1826:
1827: static void
1828: termp_in_post(DECL_ARGS)
1829: {
1830:
1.160 kristaps 1831: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1832: term_fontpush(p, TERMFONT_BOLD);
1833:
1.79 kristaps 1834: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1835: term_word(p, ">");
1836:
1.160 kristaps 1837: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1838: term_fontpop(p);
1.1 kristaps 1839: }
1840:
1841: static int
1.45 kristaps 1842: termp_sp_pre(DECL_ARGS)
1843: {
1.91 kristaps 1844: size_t i, len;
1.45 kristaps 1845:
1.86 kristaps 1846: switch (n->tok) {
1.264 schwarze 1847: case MDOC_sp:
1.157 kristaps 1848: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1849: break;
1.264 schwarze 1850: case MDOC_br:
1.76 kristaps 1851: len = 0;
1852: break;
1853: default:
1854: len = 1;
1855: break;
1.45 kristaps 1856: }
1857:
1858: if (0 == len)
1859: term_newln(p);
1860: for (i = 0; i < len; i++)
1861: term_vspace(p);
1862:
1863: return(0);
1864: }
1865:
1866: static int
1.268 schwarze 1867: termp_es_pre(DECL_ARGS)
1868: {
1869:
1870: return(0);
1871: }
1872:
1873: static int
1.188 kristaps 1874: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1875: {
1876:
1.203 kristaps 1877: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1878: return(1);
1879:
1.188 kristaps 1880: switch (n->tok) {
1.264 schwarze 1881: case MDOC_Ao:
1.188 kristaps 1882: /* FALLTHROUGH */
1.264 schwarze 1883: case MDOC_Aq:
1.188 kristaps 1884: term_word(p, "<");
1885: break;
1.264 schwarze 1886: case MDOC_Bro:
1.188 kristaps 1887: /* FALLTHROUGH */
1.264 schwarze 1888: case MDOC_Brq:
1.188 kristaps 1889: term_word(p, "{");
1890: break;
1.264 schwarze 1891: case MDOC_Oo:
1.188 kristaps 1892: /* FALLTHROUGH */
1.264 schwarze 1893: case MDOC_Op:
1.188 kristaps 1894: /* FALLTHROUGH */
1.264 schwarze 1895: case MDOC_Bo:
1.188 kristaps 1896: /* FALLTHROUGH */
1.264 schwarze 1897: case MDOC_Bq:
1.188 kristaps 1898: term_word(p, "[");
1899: break;
1.264 schwarze 1900: case MDOC_Do:
1.188 kristaps 1901: /* FALLTHROUGH */
1.264 schwarze 1902: case MDOC_Dq:
1.249 schwarze 1903: term_word(p, "\\(lq");
1.188 kristaps 1904: break;
1.268 schwarze 1905: case MDOC_En:
1906: if (NULL == n->norm->Es ||
1907: NULL == n->norm->Es->child)
1908: return(1);
1909: term_word(p, n->norm->Es->child->string);
1910: break;
1.264 schwarze 1911: case MDOC_Eo:
1.237 schwarze 1912: break;
1.264 schwarze 1913: case MDOC_Po:
1.188 kristaps 1914: /* FALLTHROUGH */
1.264 schwarze 1915: case MDOC_Pq:
1.188 kristaps 1916: term_word(p, "(");
1917: break;
1.264 schwarze 1918: case MDOC__T:
1.205 kristaps 1919: /* FALLTHROUGH */
1.264 schwarze 1920: case MDOC_Qo:
1.188 kristaps 1921: /* FALLTHROUGH */
1.264 schwarze 1922: case MDOC_Qq:
1.188 kristaps 1923: term_word(p, "\"");
1924: break;
1.264 schwarze 1925: case MDOC_Ql:
1.188 kristaps 1926: /* FALLTHROUGH */
1.264 schwarze 1927: case MDOC_So:
1.188 kristaps 1928: /* FALLTHROUGH */
1.264 schwarze 1929: case MDOC_Sq:
1.249 schwarze 1930: term_word(p, "\\(oq");
1.188 kristaps 1931: break;
1932: default:
1933: abort();
1934: /* NOTREACHED */
1935: }
1.1 kristaps 1936:
1937: p->flags |= TERMP_NOSPACE;
1938: return(1);
1939: }
1940:
1941: static void
1.188 kristaps 1942: termp_quote_post(DECL_ARGS)
1.1 kristaps 1943: {
1944:
1.203 kristaps 1945: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1946: return;
1947:
1.268 schwarze 1948: if (MDOC_En != n->tok)
1949: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1950:
1.188 kristaps 1951: switch (n->tok) {
1.264 schwarze 1952: case MDOC_Ao:
1.188 kristaps 1953: /* FALLTHROUGH */
1.264 schwarze 1954: case MDOC_Aq:
1.188 kristaps 1955: term_word(p, ">");
1956: break;
1.264 schwarze 1957: case MDOC_Bro:
1.188 kristaps 1958: /* FALLTHROUGH */
1.264 schwarze 1959: case MDOC_Brq:
1.188 kristaps 1960: term_word(p, "}");
1961: break;
1.264 schwarze 1962: case MDOC_Oo:
1.188 kristaps 1963: /* FALLTHROUGH */
1.264 schwarze 1964: case MDOC_Op:
1.188 kristaps 1965: /* FALLTHROUGH */
1.264 schwarze 1966: case MDOC_Bo:
1.188 kristaps 1967: /* FALLTHROUGH */
1.264 schwarze 1968: case MDOC_Bq:
1.188 kristaps 1969: term_word(p, "]");
1970: break;
1.264 schwarze 1971: case MDOC_Do:
1.188 kristaps 1972: /* FALLTHROUGH */
1.264 schwarze 1973: case MDOC_Dq:
1.249 schwarze 1974: term_word(p, "\\(rq");
1.268 schwarze 1975: break;
1976: case MDOC_En:
1977: if (NULL != n->norm->Es &&
1978: NULL != n->norm->Es->child &&
1979: NULL != n->norm->Es->child->next) {
1980: p->flags |= TERMP_NOSPACE;
1981: term_word(p, n->norm->Es->child->next->string);
1982: }
1.237 schwarze 1983: break;
1.264 schwarze 1984: case MDOC_Eo:
1.188 kristaps 1985: break;
1.264 schwarze 1986: case MDOC_Po:
1.188 kristaps 1987: /* FALLTHROUGH */
1.264 schwarze 1988: case MDOC_Pq:
1.188 kristaps 1989: term_word(p, ")");
1990: break;
1.264 schwarze 1991: case MDOC__T:
1.205 kristaps 1992: /* FALLTHROUGH */
1.264 schwarze 1993: case MDOC_Qo:
1.188 kristaps 1994: /* FALLTHROUGH */
1.264 schwarze 1995: case MDOC_Qq:
1.188 kristaps 1996: term_word(p, "\"");
1997: break;
1.264 schwarze 1998: case MDOC_Ql:
1.188 kristaps 1999: /* FALLTHROUGH */
1.264 schwarze 2000: case MDOC_So:
1.188 kristaps 2001: /* FALLTHROUGH */
1.264 schwarze 2002: case MDOC_Sq:
1.249 schwarze 2003: term_word(p, "\\(cq");
1.188 kristaps 2004: break;
2005: default:
2006: abort();
2007: /* NOTREACHED */
2008: }
1.1 kristaps 2009: }
2010:
2011: static int
2012: termp_fo_pre(DECL_ARGS)
2013: {
1.257 schwarze 2014: size_t rmargin = 0;
1.256 schwarze 2015: int pretty;
2016:
2017: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2018:
1.141 kristaps 2019: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2020: synopsis_pre(p, n);
1.141 kristaps 2021: return(1);
2022: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2023: if (pretty) {
2024: rmargin = p->rmargin;
1.257 schwarze 2025: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2026: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2027: TERMP_HANG;
1.256 schwarze 2028: }
1.33 kristaps 2029: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2030: term_word(p, "(");
1.222 kristaps 2031: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2032: if (pretty) {
2033: term_flushln(p);
1.263 schwarze 2034: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2035: TERMP_HANG);
1.256 schwarze 2036: p->offset = p->rmargin;
2037: p->rmargin = rmargin;
2038: }
1.1 kristaps 2039: return(1);
1.256 schwarze 2040: }
1.141 kristaps 2041:
1.169 kristaps 2042: if (NULL == n->child)
2043: return(0);
2044:
1.141 kristaps 2045: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2046:
1.141 kristaps 2047: assert(n->child->string);
1.102 kristaps 2048: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2049: term_word(p, n->child->string);
1.1 kristaps 2050: return(0);
2051: }
2052:
2053: static void
2054: termp_fo_post(DECL_ARGS)
2055: {
2056:
1.264 schwarze 2057: if (MDOC_BODY != n->type)
1.143 kristaps 2058: return;
2059:
1.222 kristaps 2060: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2061: term_word(p, ")");
2062:
1.222 kristaps 2063: if (MDOC_SYNPRETTY & n->flags) {
2064: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2065: term_word(p, ";");
1.256 schwarze 2066: term_flushln(p);
1.222 kristaps 2067: }
1.1 kristaps 2068: }
2069:
2070: static int
2071: termp_bf_pre(DECL_ARGS)
2072: {
2073:
1.86 kristaps 2074: if (MDOC_HEAD == n->type)
1.1 kristaps 2075: return(0);
1.244 schwarze 2076: else if (MDOC_BODY != n->type)
1.1 kristaps 2077: return(1);
2078:
1.264 schwarze 2079: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2080: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2081: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2082: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2083: else
1.102 kristaps 2084: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2085:
2086: return(1);
2087: }
2088:
2089: static int
2090: termp_sm_pre(DECL_ARGS)
2091: {
2092:
1.269 schwarze 2093: if (NULL == n->child)
2094: p->flags ^= TERMP_NONOSPACE;
2095: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2096: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2097: else
1.1 kristaps 2098: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2099:
2100: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2101: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2102:
2103: return(0);
2104: }
2105:
2106: static int
2107: termp_ap_pre(DECL_ARGS)
2108: {
2109:
2110: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2111: term_word(p, "'");
1.1 kristaps 2112: p->flags |= TERMP_NOSPACE;
2113: return(1);
2114: }
2115:
2116: static void
2117: termp____post(DECL_ARGS)
2118: {
1.184 kristaps 2119:
2120: /*
2121: * Handle lists of authors. In general, print each followed by
2122: * a comma. Don't print the comma if there are only two
2123: * authors.
2124: */
2125: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2126: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2127: if (NULL == n->prev || MDOC__A != n->prev->tok)
2128: return;
1.1 kristaps 2129:
1.95 kristaps 2130: /* TODO: %U. */
2131:
1.187 kristaps 2132: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2133: return;
2134:
1.222 kristaps 2135: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2136: if (NULL == n->next) {
2137: term_word(p, ".");
2138: p->flags |= TERMP_SENTENCE;
2139: } else
2140: term_word(p, ",");
1.1 kristaps 2141: }
2142:
2143: static int
1.102 kristaps 2144: termp_li_pre(DECL_ARGS)
2145: {
2146:
2147: term_fontpush(p, TERMFONT_NONE);
2148: return(1);
2149: }
2150:
2151: static int
1.1 kristaps 2152: termp_lk_pre(DECL_ARGS)
2153: {
1.240 schwarze 2154: const struct mdoc_node *link, *descr;
1.1 kristaps 2155:
1.240 schwarze 2156: if (NULL == (link = n->child))
2157: return(0);
1.181 kristaps 2158:
1.240 schwarze 2159: if (NULL != (descr = link->next)) {
2160: term_fontpush(p, TERMFONT_UNDER);
2161: while (NULL != descr) {
2162: term_word(p, descr->string);
2163: descr = descr->next;
2164: }
2165: p->flags |= TERMP_NOSPACE;
2166: term_word(p, ":");
2167: term_fontpop(p);
2168: }
1.1 kristaps 2169:
1.102 kristaps 2170: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2171: term_word(p, link->string);
1.102 kristaps 2172: term_fontpop(p);
1.12 kristaps 2173:
1.1 kristaps 2174: return(0);
2175: }
2176:
1.159 schwarze 2177: static int
2178: termp_bk_pre(DECL_ARGS)
2179: {
2180:
1.161 schwarze 2181: switch (n->type) {
1.264 schwarze 2182: case MDOC_BLOCK:
1.166 kristaps 2183: break;
1.264 schwarze 2184: case MDOC_HEAD:
1.161 schwarze 2185: return(0);
1.264 schwarze 2186: case MDOC_BODY:
1.200 schwarze 2187: if (n->parent->args || 0 == n->prev->nchild)
2188: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2189: break;
1.161 schwarze 2190: default:
2191: abort();
1.166 kristaps 2192: /* NOTREACHED */
1.161 schwarze 2193: }
1.166 kristaps 2194:
2195: return(1);
1.159 schwarze 2196: }
2197:
2198: static void
2199: termp_bk_post(DECL_ARGS)
2200: {
2201:
1.253 schwarze 2202: if (MDOC_BODY == n->type)
1.161 schwarze 2203: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2204: }
2205:
2206: static void
2207: termp__t_post(DECL_ARGS)
2208: {
2209:
2210: /*
2211: * If we're in an `Rs' and there's a journal present, then quote
2212: * us instead of underlining us (for disambiguation).
2213: */
1.217 schwarze 2214: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2215: n->parent->norm->Rs.quote_T)
1.245 schwarze 2216: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2217:
1.245 schwarze 2218: termp____post(p, pair, meta, n);
1.203 kristaps 2219: }
2220:
2221: static int
2222: termp__t_pre(DECL_ARGS)
2223: {
2224:
2225: /*
2226: * If we're in an `Rs' and there's a journal present, then quote
2227: * us instead of underlining us (for disambiguation).
2228: */
2229: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2230: n->parent->norm->Rs.quote_T)
1.245 schwarze 2231: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2232:
2233: term_fontpush(p, TERMFONT_UNDER);
2234: return(1);
1.159 schwarze 2235: }
1.1 kristaps 2236:
2237: static int
1.69 kristaps 2238: termp_under_pre(DECL_ARGS)
1.1 kristaps 2239: {
2240:
1.102 kristaps 2241: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2242: return(1);
2243: }
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