Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.176
1.176 ! schwarze 1: /* $Id: mdoc_term.c,v 1.175 2014/08/08 15:10:15 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.161 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.2 schwarze 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: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.77 schwarze 23: #include <stdint.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
1.81 schwarze 28: #include "mandoc.h"
1.168 schwarze 29: #include "mandoc_aux.h"
1.61 schwarze 30: #include "out.h"
1.1 kristaps 31: #include "term.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "main.h"
1.54 schwarze 34:
1.1 kristaps 35: struct termpair {
36: struct termpair *ppair;
1.27 schwarze 37: int count;
1.1 kristaps 38: };
39:
1.29 schwarze 40: #define DECL_ARGS struct termp *p, \
41: struct termpair *pair, \
1.166 schwarze 42: const struct mdoc_meta *meta, \
1.146 schwarze 43: struct mdoc_node *n
1.1 kristaps 44:
45: struct termact {
46: int (*pre)(DECL_ARGS);
47: void (*post)(DECL_ARGS);
48: };
1.29 schwarze 49:
1.89 schwarze 50: static size_t a2width(const struct termp *, const char *);
51: static size_t a2height(const struct termp *, const char *);
52: static size_t a2offs(const struct termp *, const char *);
1.62 schwarze 53:
54: static void print_bvspace(struct termp *,
55: const struct mdoc_node *,
56: const struct mdoc_node *);
1.166 schwarze 57: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 58: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 59: static void print_mdoc_head(struct termp *, const void *);
60: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 61: static void synopsis_pre(struct termp *,
1.86 schwarze 62: const struct mdoc_node *);
1.62 schwarze 63:
1.29 schwarze 64: static void termp____post(DECL_ARGS);
1.120 schwarze 65: static void termp__t_post(DECL_ARGS);
1.49 schwarze 66: static void termp_an_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 70: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 71: static void termp_fo_post(DECL_ARGS);
72: static void termp_in_post(DECL_ARGS);
73: static void termp_it_post(DECL_ARGS);
74: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 75: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 76: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 77: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 78: static void termp_sh_post(DECL_ARGS);
79: static void termp_ss_post(DECL_ARGS);
80:
1.104 schwarze 81: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 82: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 83: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 84: static int termp_ap_pre(DECL_ARGS);
85: static int termp_bd_pre(DECL_ARGS);
86: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 87: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 88: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 89: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 91: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.170 schwarze 94: static int termp_es_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_ex_pre(DECL_ARGS);
96: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 97: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 98: static int termp_fl_pre(DECL_ARGS);
99: static int termp_fn_pre(DECL_ARGS);
100: static int termp_fo_pre(DECL_ARGS);
101: static int termp_ft_pre(DECL_ARGS);
102: static int termp_in_pre(DECL_ARGS);
103: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 104: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 105: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 106: static int termp_lk_pre(DECL_ARGS);
107: static int termp_nd_pre(DECL_ARGS);
108: static int termp_nm_pre(DECL_ARGS);
109: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 110: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 111: static int termp_rs_pre(DECL_ARGS);
112: static int termp_rv_pre(DECL_ARGS);
113: static int termp_sh_pre(DECL_ARGS);
114: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 115: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 117: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 119: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 120: static int termp_xr_pre(DECL_ARGS);
121: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 122:
1.54 schwarze 123: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 124: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 125: { NULL, NULL }, /* Dd */
126: { NULL, NULL }, /* Dt */
127: { NULL, NULL }, /* Os */
128: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 129: { termp_ss_pre, termp_ss_post }, /* Ss */
130: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 131: { termp_d1_pre, termp_bl_post }, /* D1 */
132: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 133: { termp_bd_pre, termp_bd_post }, /* Bd */
134: { NULL, NULL }, /* Ed */
1.73 schwarze 135: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 136: { NULL, NULL }, /* El */
137: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 138: { termp_under_pre, NULL }, /* Ad */
1.49 schwarze 139: { termp_an_pre, termp_an_post }, /* An */
1.54 schwarze 140: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 141: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 142: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 143: { NULL, NULL }, /* Dv */
144: { NULL, NULL }, /* Er */
145: { NULL, NULL }, /* Ev */
1.1 kristaps 146: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 147: { termp_fa_pre, NULL }, /* Fa */
148: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 149: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 150: { termp_fn_pre, NULL }, /* Fn */
151: { termp_ft_pre, NULL }, /* Ft */
152: { termp_bold_pre, NULL }, /* Ic */
153: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 154: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 155: { termp_nd_pre, NULL }, /* Nd */
156: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 157: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 158: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 159: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 160: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 161: { NULL, NULL }, /* St */
1.54 schwarze 162: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 163: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 164: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 165: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 167: { NULL, termp____post }, /* %D */
1.58 schwarze 168: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 169: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 170: { NULL, termp____post }, /* %N */
171: { NULL, termp____post }, /* %O */
172: { NULL, termp____post }, /* %P */
173: { NULL, termp____post }, /* %R */
1.120 schwarze 174: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 175: { NULL, termp____post }, /* %V */
176: { NULL, NULL }, /* Ac */
1.107 schwarze 177: { termp_quote_pre, termp_quote_post }, /* Ao */
178: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 179: { NULL, NULL }, /* At */
1.1 kristaps 180: { NULL, NULL }, /* Bc */
1.166 schwarze 181: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 182: { termp_quote_pre, termp_quote_post }, /* Bo */
183: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 184: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 185: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 186: { NULL, NULL }, /* Db */
187: { NULL, NULL }, /* Dc */
1.107 schwarze 188: { termp_quote_pre, termp_quote_post }, /* Do */
189: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 190: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 191: { NULL, NULL }, /* Ef */
1.166 schwarze 192: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 193: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 194: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 195: { termp_bold_pre, NULL }, /* Ms */
1.156 schwarze 196: { NULL, NULL }, /* No */
1.1 kristaps 197: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 198: { termp_xx_pre, NULL }, /* Nx */
199: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 200: { NULL, NULL }, /* Pc */
1.156 schwarze 201: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 202: { termp_quote_pre, termp_quote_post }, /* Po */
203: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 204: { NULL, NULL }, /* Qc */
1.107 schwarze 205: { termp_quote_pre, termp_quote_post }, /* Ql */
206: { termp_quote_pre, termp_quote_post }, /* Qo */
207: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 208: { NULL, NULL }, /* Re */
209: { termp_rs_pre, NULL }, /* Rs */
210: { NULL, NULL }, /* Sc */
1.107 schwarze 211: { termp_quote_pre, termp_quote_post }, /* So */
212: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 213: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 214: { termp_under_pre, NULL }, /* Sx */
215: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 216: { NULL, NULL }, /* Tn */
1.26 schwarze 217: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 218: { NULL, NULL }, /* Xc */
219: { NULL, NULL }, /* Xo */
1.166 schwarze 220: { termp_fo_pre, termp_fo_post }, /* Fo */
221: { NULL, NULL }, /* Fc */
1.107 schwarze 222: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 223: { NULL, NULL }, /* Oc */
1.90 schwarze 224: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 225: { NULL, NULL }, /* Ek */
226: { termp_bt_pre, NULL }, /* Bt */
227: { NULL, NULL }, /* Hf */
1.170 schwarze 228: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 229: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 230: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 231: { termp_sp_pre, NULL }, /* Lp */
232: { termp_lk_pre, NULL }, /* Lk */
233: { termp_under_pre, NULL }, /* Mt */
234: { termp_quote_pre, termp_quote_post }, /* Brq */
235: { termp_quote_pre, termp_quote_post }, /* Bro */
236: { NULL, NULL }, /* Brc */
237: { NULL, termp____post }, /* %C */
1.170 schwarze 238: { termp_es_pre, NULL }, /* Es */
239: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 240: { termp_xx_pre, NULL }, /* Dx */
241: { NULL, termp____post }, /* %Q */
1.54 schwarze 242: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 243: { termp_sp_pre, NULL }, /* sp */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.162 schwarze 246: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 247: };
248:
249:
1.55 schwarze 250: void
1.61 schwarze 251: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 252: {
1.55 schwarze 253: const struct mdoc_node *n;
1.147 schwarze 254: const struct mdoc_meta *meta;
1.61 schwarze 255: struct termp *p;
256:
257: p = (struct termp *)arg;
1.71 schwarze 258:
1.140 schwarze 259: if (0 == p->defindent)
260: p->defindent = 5;
261:
1.71 schwarze 262: p->overstep = 0;
1.80 schwarze 263: p->maxrmargin = p->defrmargin;
1.89 schwarze 264: p->tabwidth = term_len(p, 5);
1.61 schwarze 265:
266: if (NULL == p->symtab)
1.133 schwarze 267: p->symtab = mchars_alloc();
1.55 schwarze 268:
269: n = mdoc_node(mdoc);
1.147 schwarze 270: meta = mdoc_meta(mdoc);
1.55 schwarze 271:
1.147 schwarze 272: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.87 schwarze 273:
1.173 schwarze 274: if (n->child) {
275: if (MDOC_Sh != n->child->tok)
276: term_vspace(p);
1.147 schwarze 277: print_mdoc_nodelist(p, NULL, meta, n->child);
1.173 schwarze 278: }
1.87 schwarze 279:
280: term_end(p);
1.1 kristaps 281: }
282:
283: static void
1.65 schwarze 284: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 285: {
286:
1.147 schwarze 287: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 288: if (n->next)
1.147 schwarze 289: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 290: }
291:
292: static void
1.65 schwarze 293: print_mdoc_node(DECL_ARGS)
1.1 kristaps 294: {
1.65 schwarze 295: int chld;
1.1 kristaps 296: struct termpair npair;
1.28 schwarze 297: size_t offset, rmargin;
1.1 kristaps 298:
1.54 schwarze 299: chld = 1;
1.28 schwarze 300: offset = p->offset;
301: rmargin = p->rmargin;
1.146 schwarze 302: n->prev_font = term_fontq(p);
1.1 kristaps 303:
1.63 schwarze 304: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 305: npair.ppair = pair;
1.65 schwarze 306:
1.95 schwarze 307: /*
308: * Keeps only work until the end of a line. If a keep was
309: * invoked in a prior line, revert it to PREKEEP.
310: */
311:
1.155 schwarze 312: if (TERMP_KEEP & p->flags) {
1.154 schwarze 313: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 314: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 315: p->flags &= ~TERMP_KEEP;
316: p->flags |= TERMP_PREKEEP;
317: }
318: }
1.116 schwarze 319:
320: /*
1.128 schwarze 321: * After the keep flags have been set up, we may now
322: * produce output. Note that some pre-handlers do so.
323: */
324:
325: switch (n->type) {
1.166 schwarze 326: case MDOC_TEXT:
1.128 schwarze 327: if (' ' == *n->string && MDOC_LINE & n->flags)
328: term_newln(p);
1.132 schwarze 329: if (MDOC_DELIMC & n->flags)
330: p->flags |= TERMP_NOSPACE;
1.128 schwarze 331: term_word(p, n->string);
1.132 schwarze 332: if (MDOC_DELIMO & n->flags)
333: p->flags |= TERMP_NOSPACE;
1.128 schwarze 334: break;
1.166 schwarze 335: case MDOC_EQN:
1.135 schwarze 336: term_eqn(p, n->eqn);
1.131 schwarze 337: break;
1.166 schwarze 338: case MDOC_TBL:
1.128 schwarze 339: term_tbl(p, n->span);
340: break;
341: default:
342: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
343: chld = (*termacts[n->tok].pre)
1.147 schwarze 344: (p, &npair, meta, n);
1.128 schwarze 345: break;
346: }
1.95 schwarze 347:
1.60 schwarze 348: if (chld && n->child)
1.147 schwarze 349: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 350:
1.146 schwarze 351: term_fontpopq(p,
352: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 353:
1.122 schwarze 354: switch (n->type) {
1.166 schwarze 355: case MDOC_TEXT:
1.122 schwarze 356: break;
1.166 schwarze 357: case MDOC_TBL:
1.131 schwarze 358: break;
1.166 schwarze 359: case MDOC_EQN:
1.122 schwarze 360: break;
361: default:
362: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
363: break;
1.147 schwarze 364: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 365:
366: /*
367: * Explicit end tokens not only call the post
368: * handler, but also tell the respective block
369: * that it must not call the post handler again.
370: */
1.95 schwarze 371: if (ENDBODY_NOT != n->end)
1.93 schwarze 372: n->pending->flags |= MDOC_ENDED;
373:
374: /*
375: * End of line terminating an implicit block
376: * while an explicit block is still open.
377: * Continue the explicit block without spacing.
378: */
379: if (ENDBODY_NOSPACE == n->end)
380: p->flags |= TERMP_NOSPACE;
1.122 schwarze 381: break;
1.93 schwarze 382: }
1.28 schwarze 383:
1.78 schwarze 384: if (MDOC_EOS & n->flags)
385: p->flags |= TERMP_SENTENCE;
386:
1.162 schwarze 387: if (MDOC_ll != n->tok) {
388: p->offset = offset;
389: p->rmargin = rmargin;
390: }
1.1 kristaps 391: }
392:
393: static void
1.87 schwarze 394: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 395: {
1.147 schwarze 396: const struct mdoc_meta *meta;
1.87 schwarze 397:
1.147 schwarze 398: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 399:
1.65 schwarze 400: term_fontrepl(p, TERMFONT_NONE);
401:
1.166 schwarze 402: /*
1.7 schwarze 403: * Output the footer in new-groff style, that is, three columns
404: * with the middle being the manual date and flanking columns
405: * being the operating system:
406: *
407: * SYSTEM DATE SYSTEM
408: */
409:
1.1 kristaps 410: term_vspace(p);
411:
1.7 schwarze 412: p->offset = 0;
1.166 schwarze 413: p->rmargin = (p->maxrmargin -
414: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 415: p->trailspace = 1;
1.1 kristaps 416: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
417:
1.147 schwarze 418: term_word(p, meta->os);
1.1 kristaps 419: term_flushln(p);
420:
1.7 schwarze 421: p->offset = p->rmargin;
1.147 schwarze 422: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 423: p->flags |= TERMP_NOSPACE;
1.7 schwarze 424:
1.147 schwarze 425: term_word(p, meta->date);
1.7 schwarze 426: term_flushln(p);
427:
1.1 kristaps 428: p->offset = p->rmargin;
429: p->rmargin = p->maxrmargin;
1.152 schwarze 430: p->trailspace = 0;
1.1 kristaps 431: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 432: p->flags |= TERMP_NOSPACE;
1.1 kristaps 433:
1.147 schwarze 434: term_word(p, meta->os);
1.1 kristaps 435: term_flushln(p);
1.7 schwarze 436:
437: p->offset = 0;
438: p->rmargin = p->maxrmargin;
439: p->flags = 0;
1.1 kristaps 440: }
441:
442: static void
1.87 schwarze 443: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 444: {
1.168 schwarze 445: const struct mdoc_meta *meta;
1.169 schwarze 446: char *volume, *title;
447: size_t vollen, titlen;
1.87 schwarze 448:
1.147 schwarze 449: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 450:
451: /*
452: * The header is strange. It has three components, which are
453: * really two with the first duplicated. It goes like this:
454: *
455: * IDENTIFIER TITLE IDENTIFIER
456: *
457: * The IDENTIFIER is NAME(SECTION), which is the command-name
458: * (if given, or "unknown" if not) followed by the manual page
459: * section. These are given in `Dt'. The TITLE is a free-form
460: * string depending on the manual volume. If not specified, it
461: * switches on the manual section.
462: */
463:
1.137 schwarze 464: p->offset = 0;
465: p->rmargin = p->maxrmargin;
466:
1.147 schwarze 467: assert(meta->vol);
1.169 schwarze 468: if (NULL == meta->arch)
469: volume = mandoc_strdup(meta->vol);
470: else
471: mandoc_asprintf(&volume, "%s (%s)",
472: meta->vol, meta->arch);
473: vollen = term_strlen(p, volume);
1.1 kristaps 474:
1.168 schwarze 475: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.137 schwarze 476: titlen = term_strlen(p, title);
1.1 kristaps 477:
1.137 schwarze 478: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 479: p->trailspace = 1;
1.1 kristaps 480: p->offset = 0;
1.169 schwarze 481: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
482: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
483: p->maxrmargin - vollen;
1.1 kristaps 484:
485: term_word(p, title);
486: term_flushln(p);
487:
1.137 schwarze 488: p->flags |= TERMP_NOSPACE;
1.1 kristaps 489: p->offset = p->rmargin;
1.169 schwarze 490: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 491: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 492:
1.169 schwarze 493: term_word(p, volume);
1.1 kristaps 494: term_flushln(p);
495:
496: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 497: p->trailspace = 0;
1.137 schwarze 498: if (p->rmargin + titlen <= p->maxrmargin) {
499: p->flags |= TERMP_NOSPACE;
500: p->offset = p->rmargin;
501: p->rmargin = p->maxrmargin;
502: term_word(p, title);
503: term_flushln(p);
504: }
1.1 kristaps 505:
1.137 schwarze 506: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 507: p->offset = 0;
1.1 kristaps 508: p->rmargin = p->maxrmargin;
1.168 schwarze 509: free(title);
1.169 schwarze 510: free(volume);
1.1 kristaps 511: }
512:
513: static size_t
1.89 schwarze 514: a2height(const struct termp *p, const char *v)
1.1 kristaps 515: {
1.61 schwarze 516: struct roffsu su;
1.1 kristaps 517:
1.134 schwarze 518:
1.89 schwarze 519: assert(v);
520: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 521: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 522:
1.89 schwarze 523: return(term_vspan(p, &su));
1.61 schwarze 524: }
1.34 schwarze 525:
1.61 schwarze 526: static size_t
1.89 schwarze 527: a2width(const struct termp *p, const char *v)
1.61 schwarze 528: {
529: struct roffsu su;
1.1 kristaps 530:
1.88 schwarze 531: assert(v);
532: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 533: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 534:
1.89 schwarze 535: return(term_hspan(p, &su));
1.1 kristaps 536: }
537:
538: static size_t
1.89 schwarze 539: a2offs(const struct termp *p, const char *v)
1.1 kristaps 540: {
1.61 schwarze 541: struct roffsu su;
1.1 kristaps 542:
1.88 schwarze 543: if ('\0' == *v)
1.61 schwarze 544: return(0);
1.88 schwarze 545: else if (0 == strcmp(v, "left"))
1.9 schwarze 546: return(0);
1.88 schwarze 547: else if (0 == strcmp(v, "indent"))
1.140 schwarze 548: return(term_len(p, p->defindent + 1));
1.88 schwarze 549: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 550: return(term_len(p, (p->defindent + 1) * 2));
1.88 schwarze 551: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.89 schwarze 552: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 schwarze 553:
1.89 schwarze 554: return(term_hspan(p, &su));
1.1 kristaps 555: }
556:
1.68 schwarze 557: /*
558: * Determine how much space to print out before block elements of `It'
559: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
560: * too.
561: */
1.45 schwarze 562: static void
1.166 schwarze 563: print_bvspace(struct termp *p,
564: const struct mdoc_node *bl,
565: const struct mdoc_node *n)
1.1 kristaps 566: {
1.60 schwarze 567: const struct mdoc_node *nn;
1.138 schwarze 568:
569: assert(n);
1.1 kristaps 570:
571: term_newln(p);
1.88 schwarze 572:
1.121 schwarze 573: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 574: return;
1.121 schwarze 575: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 576: return;
577:
1.60 schwarze 578: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 579:
1.60 schwarze 580: for (nn = n; nn; nn = nn->parent) {
581: if (MDOC_BLOCK != nn->type)
1.1 kristaps 582: continue;
1.60 schwarze 583: if (MDOC_Ss == nn->tok)
1.45 schwarze 584: return;
1.60 schwarze 585: if (MDOC_Sh == nn->tok)
1.45 schwarze 586: return;
1.60 schwarze 587: if (NULL == nn->prev)
1.1 kristaps 588: continue;
589: break;
590: }
591:
1.60 schwarze 592: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 593:
1.121 schwarze 594: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 595: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 596: return;
597:
1.60 schwarze 598: /* A `-diag' without body does not vspace. */
599:
1.121 schwarze 600: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 601: if (n->prev && MDOC_It == n->prev->tok) {
602: assert(n->prev->body);
603: if (NULL == n->prev->body->child)
1.45 schwarze 604: return;
605: }
606:
607: term_vspace(p);
1.162 schwarze 608: }
609:
610:
611: static int
612: termp_ll_pre(DECL_ARGS)
613: {
614:
1.163 schwarze 615: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 616: return(0);
1.1 kristaps 617: }
618:
619: static int
620: termp_it_pre(DECL_ARGS)
621: {
1.60 schwarze 622: const struct mdoc_node *bl, *nn;
1.167 schwarze 623: char buf[24];
1.166 schwarze 624: int i;
625: size_t width, offset, ncols, dcol;
1.82 schwarze 626: enum mdoc_list type;
1.1 kristaps 627:
1.60 schwarze 628: if (MDOC_BLOCK == n->type) {
1.61 schwarze 629: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 630: return(1);
631: }
1.1 kristaps 632:
1.60 schwarze 633: bl = n->parent->parent->parent;
1.121 schwarze 634: type = bl->norm->Bl.type;
1.1 kristaps 635:
1.166 schwarze 636: /*
1.68 schwarze 637: * First calculate width and offset. This is pretty easy unless
638: * we're a -column list, in which case all prior columns must
639: * be accounted for.
640: */
641:
642: width = offset = 0;
643:
1.121 schwarze 644: if (bl->norm->Bl.offs)
645: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 646:
1.1 kristaps 647: switch (type) {
1.166 schwarze 648: case LIST_column:
1.85 schwarze 649: if (MDOC_HEAD == n->type)
1.1 kristaps 650: break;
1.88 schwarze 651:
1.66 schwarze 652: /*
1.68 schwarze 653: * Imitate groff's column handling:
654: * - For each earlier column, add its width.
655: * - For less than 5 columns, add four more blanks per
656: * column.
657: * - For exactly 5 columns, add three more blank per
658: * column.
659: * - For more than 5 columns, add only one column.
1.66 schwarze 660: */
1.121 schwarze 661: ncols = bl->norm->Bl.ncols;
1.166 schwarze 662: dcol = ncols < 5 ? term_len(p, 4) :
663: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 664:
1.85 schwarze 665: /*
666: * Calculate the offset by applying all prior MDOC_BODY,
667: * so we stop at the MDOC_HEAD (NULL == nn->prev).
668: */
669:
1.166 schwarze 670: for (i = 0, nn = n->prev;
671: nn->prev && i < (int)ncols;
672: nn = nn->prev, i++)
673: offset += dcol + a2width(p,
674: bl->norm->Bl.cols[i]);
1.66 schwarze 675:
676: /*
1.68 schwarze 677: * When exceeding the declared number of columns, leave
678: * the remaining widths at 0. This will later be
679: * adjusted to the default width of 10, or, for the last
680: * column, stretched to the right margin.
1.46 schwarze 681: */
1.68 schwarze 682: if (i >= (int)ncols)
683: break;
1.46 schwarze 684:
1.66 schwarze 685: /*
1.68 schwarze 686: * Use the declared column widths, extended as explained
687: * in the preceding paragraph.
1.66 schwarze 688: */
1.121 schwarze 689: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 690: break;
691: default:
1.121 schwarze 692: if (NULL == bl->norm->Bl.width)
1.68 schwarze 693: break;
694:
1.166 schwarze 695: /*
1.68 schwarze 696: * Note: buffer the width by 2, which is groff's magic
697: * number for buffering single arguments. See the above
698: * handling for column for how this changes.
699: */
1.121 schwarze 700: assert(bl->norm->Bl.width);
701: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 702: break;
703: }
704:
1.166 schwarze 705: /*
1.1 kristaps 706: * List-type can override the width in the case of fixed-head
707: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 708: * offset.
1.1 kristaps 709: */
710:
711: switch (type) {
1.166 schwarze 712: case LIST_bullet:
1.1 kristaps 713: /* FALLTHROUGH */
1.166 schwarze 714: case LIST_dash:
1.1 kristaps 715: /* FALLTHROUGH */
1.166 schwarze 716: case LIST_hyphen:
1.144 schwarze 717: /* FALLTHROUGH */
1.166 schwarze 718: case LIST_enum:
1.144 schwarze 719: if (width < term_len(p, 2))
720: width = term_len(p, 2);
1.1 kristaps 721: break;
1.166 schwarze 722: case LIST_hang:
1.33 schwarze 723: if (0 == width)
1.89 schwarze 724: width = term_len(p, 8);
1.33 schwarze 725: break;
1.166 schwarze 726: case LIST_column:
1.41 schwarze 727: /* FALLTHROUGH */
1.166 schwarze 728: case LIST_tag:
1.1 kristaps 729: if (0 == width)
1.89 schwarze 730: width = term_len(p, 10);
1.1 kristaps 731: break;
732: default:
733: break;
734: }
735:
1.166 schwarze 736: /*
1.16 schwarze 737: * Whitespace control. Inset bodies need an initial space,
738: * while diagonal bodies need two.
1.1 kristaps 739: */
740:
1.42 schwarze 741: p->flags |= TERMP_NOSPACE;
742:
1.1 kristaps 743: switch (type) {
1.166 schwarze 744: case LIST_diag:
1.60 schwarze 745: if (MDOC_BODY == n->type)
1.48 schwarze 746: term_word(p, "\\ \\ ");
1.42 schwarze 747: break;
1.166 schwarze 748: case LIST_inset:
1.172 schwarze 749: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 750: term_word(p, "\\ ");
1.1 kristaps 751: break;
752: default:
753: break;
754: }
755:
1.42 schwarze 756: p->flags |= TERMP_NOSPACE;
757:
1.1 kristaps 758: switch (type) {
1.166 schwarze 759: case LIST_diag:
1.60 schwarze 760: if (MDOC_HEAD == n->type)
1.65 schwarze 761: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 762: break;
763: default:
764: break;
765: }
766:
767: /*
1.68 schwarze 768: * Pad and break control. This is the tricky part. These flags
769: * are documented in term_flushln() in term.c. Note that we're
770: * going to unset all of these flags in termp_it_post() when we
771: * exit.
1.1 kristaps 772: */
773:
774: switch (type) {
1.166 schwarze 775: case LIST_enum:
1.144 schwarze 776: /*
777: * Weird special case.
778: * Very narrow enum lists actually hang.
779: */
780: if (width == term_len(p, 2))
781: p->flags |= TERMP_HANG;
782: /* FALLTHROUGH */
1.166 schwarze 783: case LIST_bullet:
1.1 kristaps 784: /* FALLTHROUGH */
1.166 schwarze 785: case LIST_dash:
1.1 kristaps 786: /* FALLTHROUGH */
1.166 schwarze 787: case LIST_hyphen:
1.152 schwarze 788: if (MDOC_HEAD != n->type)
789: break;
790: p->flags |= TERMP_NOBREAK;
791: p->trailspace = 1;
1.33 schwarze 792: break;
1.166 schwarze 793: case LIST_hang:
1.152 schwarze 794: if (MDOC_HEAD != n->type)
1.47 schwarze 795: break;
796:
797: /*
798: * This is ugly. If `-hang' is specified and the body
799: * is a `Bl' or `Bd', then we want basically to nullify
800: * the "overstep" effect in term_flushln() and treat
801: * this as a `-ohang' list instead.
802: */
1.166 schwarze 803: if (n->next->child &&
804: (MDOC_Bl == n->next->child->tok ||
805: MDOC_Bd == n->next->child->tok))
1.152 schwarze 806: break;
807:
1.165 schwarze 808: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 809: p->trailspace = 1;
1.33 schwarze 810: break;
1.166 schwarze 811: case LIST_tag:
1.60 schwarze 812: if (MDOC_HEAD != n->type)
1.33 schwarze 813: break;
1.152 schwarze 814:
1.165 schwarze 815: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 816: p->trailspace = 2;
817:
1.60 schwarze 818: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 819: p->flags |= TERMP_DANGLE;
1.1 kristaps 820: break;
1.166 schwarze 821: case LIST_column:
1.85 schwarze 822: if (MDOC_HEAD == n->type)
823: break;
824:
1.152 schwarze 825: if (NULL == n->next) {
1.85 schwarze 826: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 827: p->trailspace = 0;
828: } else {
1.85 schwarze 829: p->flags |= TERMP_NOBREAK;
1.152 schwarze 830: p->trailspace = 1;
831: }
1.85 schwarze 832:
1.1 kristaps 833: break;
1.166 schwarze 834: case LIST_diag:
1.152 schwarze 835: if (MDOC_HEAD != n->type)
836: break;
1.165 schwarze 837: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 838: p->trailspace = 1;
1.1 kristaps 839: break;
840: default:
841: break;
842: }
843:
1.166 schwarze 844: /*
1.1 kristaps 845: * Margin control. Set-head-width lists have their right
846: * margins shortened. The body for these lists has the offset
847: * necessarily lengthened. Everybody gets the offset.
848: */
849:
850: p->offset += offset;
851:
852: switch (type) {
1.166 schwarze 853: case LIST_hang:
1.47 schwarze 854: /*
855: * Same stipulation as above, regarding `-hang'. We
856: * don't want to recalculate rmargin and offsets when
857: * using `Bd' or `Bl' within `-hang' overstep lists.
858: */
1.60 schwarze 859: if (MDOC_HEAD == n->type && n->next->child &&
1.166 schwarze 860: (MDOC_Bl == n->next->child->tok ||
861: MDOC_Bd == n->next->child->tok))
1.47 schwarze 862: break;
863: /* FALLTHROUGH */
1.166 schwarze 864: case LIST_bullet:
1.1 kristaps 865: /* FALLTHROUGH */
1.166 schwarze 866: case LIST_dash:
1.1 kristaps 867: /* FALLTHROUGH */
1.166 schwarze 868: case LIST_enum:
1.1 kristaps 869: /* FALLTHROUGH */
1.166 schwarze 870: case LIST_hyphen:
1.33 schwarze 871: /* FALLTHROUGH */
1.166 schwarze 872: case LIST_tag:
1.41 schwarze 873: assert(width);
1.60 schwarze 874: if (MDOC_HEAD == n->type)
1.1 kristaps 875: p->rmargin = p->offset + width;
1.161 schwarze 876: else {
1.1 kristaps 877: p->offset += width;
1.161 schwarze 878: if (p->rmargin < p->offset)
879: p->rmargin = p->offset;
880: }
1.1 kristaps 881: break;
1.166 schwarze 882: case LIST_column:
1.41 schwarze 883: assert(width);
1.1 kristaps 884: p->rmargin = p->offset + width;
1.166 schwarze 885: /*
1.43 schwarze 886: * XXX - this behaviour is not documented: the
887: * right-most column is filled to the right margin.
888: */
1.85 schwarze 889: if (MDOC_HEAD == n->type)
890: break;
891: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 892: p->rmargin = p->maxrmargin;
1.1 kristaps 893: break;
894: default:
895: break;
896: }
897:
1.166 schwarze 898: /*
1.1 kristaps 899: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 900: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 901: */
902:
1.60 schwarze 903: if (MDOC_HEAD == n->type)
1.1 kristaps 904: switch (type) {
1.166 schwarze 905: case LIST_bullet:
1.65 schwarze 906: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 907: term_word(p, "\\[bu]");
1.65 schwarze 908: term_fontpop(p);
1.1 kristaps 909: break;
1.166 schwarze 910: case LIST_dash:
1.1 kristaps 911: /* FALLTHROUGH */
1.166 schwarze 912: case LIST_hyphen:
1.65 schwarze 913: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 914: term_word(p, "\\(hy");
1.65 schwarze 915: term_fontpop(p);
1.1 kristaps 916: break;
1.166 schwarze 917: case LIST_enum:
1.1 kristaps 918: (pair->ppair->ppair->count)++;
1.167 schwarze 919: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 920: pair->ppair->ppair->count);
1.1 kristaps 921: term_word(p, buf);
922: break;
923: default:
924: break;
925: }
1.12 schwarze 926:
1.166 schwarze 927: /*
1.1 kristaps 928: * If we're not going to process our children, indicate so here.
929: */
930:
931: switch (type) {
1.166 schwarze 932: case LIST_bullet:
1.1 kristaps 933: /* FALLTHROUGH */
1.166 schwarze 934: case LIST_item:
1.1 kristaps 935: /* FALLTHROUGH */
1.166 schwarze 936: case LIST_dash:
1.1 kristaps 937: /* FALLTHROUGH */
1.166 schwarze 938: case LIST_hyphen:
1.1 kristaps 939: /* FALLTHROUGH */
1.166 schwarze 940: case LIST_enum:
1.60 schwarze 941: if (MDOC_HEAD == n->type)
1.1 kristaps 942: return(0);
943: break;
1.166 schwarze 944: case LIST_column:
1.85 schwarze 945: if (MDOC_HEAD == n->type)
1.1 kristaps 946: return(0);
947: break;
948: default:
949: break;
950: }
951:
952: return(1);
953: }
954:
955: static void
956: termp_it_post(DECL_ARGS)
957: {
1.82 schwarze 958: enum mdoc_list type;
1.1 kristaps 959:
1.68 schwarze 960: if (MDOC_BLOCK == n->type)
1.1 kristaps 961: return;
962:
1.121 schwarze 963: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 964:
965: switch (type) {
1.166 schwarze 966: case LIST_item:
1.44 schwarze 967: /* FALLTHROUGH */
1.166 schwarze 968: case LIST_diag:
1.1 kristaps 969: /* FALLTHROUGH */
1.166 schwarze 970: case LIST_inset:
1.60 schwarze 971: if (MDOC_BODY == n->type)
1.74 schwarze 972: term_newln(p);
1.1 kristaps 973: break;
1.166 schwarze 974: case LIST_column:
1.85 schwarze 975: if (MDOC_BODY == n->type)
1.1 kristaps 976: term_flushln(p);
977: break;
978: default:
1.74 schwarze 979: term_newln(p);
1.1 kristaps 980: break;
981: }
982:
1.166 schwarze 983: /*
1.68 schwarze 984: * Now that our output is flushed, we can reset our tags. Since
985: * only `It' sets these flags, we're free to assume that nobody
986: * has munged them in the meanwhile.
987: */
988:
1.165 schwarze 989: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
990: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 991: p->trailspace = 0;
1.1 kristaps 992: }
993:
994: static int
995: termp_nm_pre(DECL_ARGS)
996: {
997:
1.155 schwarze 998: if (MDOC_BLOCK == n->type) {
999: p->flags |= TERMP_PREKEEP;
1.94 schwarze 1000: return(1);
1.155 schwarze 1001: }
1.94 schwarze 1002:
1003: if (MDOC_BODY == n->type) {
1004: if (NULL == n->child)
1005: return(0);
1.136 schwarze 1006: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1007: p->offset += term_len(p, 1) +
1.147 schwarze 1008: (NULL == n->prev->child ?
1009: term_strlen(p, meta->name) :
1.94 schwarze 1010: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1011: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1012: term_len(p, 5));
1.164 schwarze 1013: if (p->rmargin < p->offset)
1014: p->rmargin = p->offset;
1.94 schwarze 1015: return(1);
1016: }
1017:
1.147 schwarze 1018: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1019: return(0);
1.81 schwarze 1020:
1.97 schwarze 1021: if (MDOC_HEAD == n->type)
1022: synopsis_pre(p, n->parent);
1.65 schwarze 1023:
1.94 schwarze 1024: if (MDOC_HEAD == n->type && n->next->child) {
1.165 schwarze 1025: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1026: p->trailspace = 1;
1.105 schwarze 1027: p->rmargin = p->offset + term_len(p, 1);
1028: if (NULL == n->child) {
1.147 schwarze 1029: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1030: } else if (MDOC_TEXT == n->child->type) {
1031: p->rmargin += term_strlen(p, n->child->string);
1032: if (n->child->next)
1033: p->flags |= TERMP_HANG;
1034: } else {
1035: p->rmargin += term_len(p, 5);
1036: p->flags |= TERMP_HANG;
1037: }
1.94 schwarze 1038: }
1039:
1.65 schwarze 1040: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1041: if (NULL == n->child)
1.147 schwarze 1042: term_word(p, meta->name);
1.1 kristaps 1043: return(1);
1044: }
1045:
1.94 schwarze 1046: static void
1047: termp_nm_post(DECL_ARGS)
1048: {
1049:
1.155 schwarze 1050: if (MDOC_BLOCK == n->type) {
1051: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1052: } else if (MDOC_HEAD == n->type && n->next->child) {
1.94 schwarze 1053: term_flushln(p);
1.165 schwarze 1054: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1055: p->trailspace = 0;
1.136 schwarze 1056: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1057: term_flushln(p);
1058: }
1059:
1.1 kristaps 1060: static int
1061: termp_fl_pre(DECL_ARGS)
1062: {
1063:
1.65 schwarze 1064: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1065: term_word(p, "\\-");
1.67 schwarze 1066:
1067: if (n->child)
1068: p->flags |= TERMP_NOSPACE;
1.73 schwarze 1069: else if (n->next && n->next->line == n->line)
1070: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1071:
1.1 kristaps 1072: return(1);
1.49 schwarze 1073: }
1074:
1075: static int
1.104 schwarze 1076: termp__a_pre(DECL_ARGS)
1077: {
1078:
1079: if (n->prev && MDOC__A == n->prev->tok)
1080: if (NULL == n->next || MDOC__A != n->next->tok)
1081: term_word(p, "and");
1082:
1083: return(1);
1084: }
1085:
1086: static int
1.49 schwarze 1087: termp_an_pre(DECL_ARGS)
1088: {
1089:
1.60 schwarze 1090: if (NULL == n->child)
1.49 schwarze 1091: return(1);
1092:
1093: /*
1.60 schwarze 1094: * If not in the AUTHORS section, `An -split' will cause
1095: * newlines to occur before the author name. If in the AUTHORS
1096: * section, by default, the first `An' invocation is nosplit,
1097: * then all subsequent ones, regardless of whether interspersed
1098: * with other macros/text, are split. -split, in this case,
1099: * will override the condition of the implied first -nosplit.
1.49 schwarze 1100: */
1.166 schwarze 1101:
1.60 schwarze 1102: if (n->sec == SEC_AUTHORS) {
1.49 schwarze 1103: if ( ! (TERMP_ANPREC & p->flags)) {
1104: if (TERMP_SPLIT & p->flags)
1105: term_newln(p);
1106: return(1);
1107: }
1108: if (TERMP_NOSPLIT & p->flags)
1109: return(1);
1110: term_newln(p);
1111: return(1);
1112: }
1113:
1114: if (TERMP_SPLIT & p->flags)
1115: term_newln(p);
1116:
1117: return(1);
1118: }
1119:
1120: static void
1121: termp_an_post(DECL_ARGS)
1122: {
1123:
1.60 schwarze 1124: if (n->child) {
1125: if (SEC_AUTHORS == n->sec)
1.49 schwarze 1126: p->flags |= TERMP_ANPREC;
1127: return;
1128: }
1129:
1.121 schwarze 1130: if (AUTH_split == n->norm->An.auth) {
1.49 schwarze 1131: p->flags &= ~TERMP_NOSPLIT;
1132: p->flags |= TERMP_SPLIT;
1.121 schwarze 1133: } else if (AUTH_nosplit == n->norm->An.auth) {
1.49 schwarze 1134: p->flags &= ~TERMP_SPLIT;
1135: p->flags |= TERMP_NOSPLIT;
1136: }
1137:
1.1 kristaps 1138: }
1139:
1140: static int
1141: termp_ns_pre(DECL_ARGS)
1142: {
1143:
1.127 schwarze 1144: if ( ! (MDOC_LINE & n->flags))
1145: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1146: return(1);
1147: }
1148:
1149: static int
1150: termp_rs_pre(DECL_ARGS)
1151: {
1152:
1.60 schwarze 1153: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1154: return(1);
1.60 schwarze 1155: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1156: term_vspace(p);
1157: return(1);
1158: }
1159:
1160: static int
1161: termp_rv_pre(DECL_ARGS)
1162: {
1.132 schwarze 1163: int nchild;
1.1 kristaps 1164:
1165: term_newln(p);
1166:
1.132 schwarze 1167: nchild = n->nchild;
1.175 schwarze 1168: if (nchild > 0) {
1169: term_word(p, "The");
1.132 schwarze 1170:
1.175 schwarze 1171: for (n = n->child; n; n = n->next) {
1172: term_fontpush(p, TERMFONT_BOLD);
1173: term_word(p, n->string);
1174: term_fontpop(p);
1.132 schwarze 1175:
1176: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1177: term_word(p, "()");
1178:
1179: if (n->next == NULL)
1180: continue;
1181:
1182: if (nchild > 2) {
1183: p->flags |= TERMP_NOSPACE;
1184: term_word(p, ",");
1185: }
1186: if (n->next->next == NULL)
1187: term_word(p, "and");
1.132 schwarze 1188: }
1189:
1.175 schwarze 1190: if (nchild > 1)
1191: term_word(p, "functions return");
1192: else
1193: term_word(p, "function returns");
1194:
1195: term_word(p, "the value\\~0 if successful;");
1196: } else
1197: term_word(p, "Upon successful completion,"
1198: " the value\\~0 is returned;");
1.1 kristaps 1199:
1.175 schwarze 1200: term_word(p, "otherwise the value\\~\\-1 is returned"
1201: " and the global variable");
1.1 kristaps 1202:
1.65 schwarze 1203: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1204: term_word(p, "errno");
1.65 schwarze 1205: term_fontpop(p);
1.1 kristaps 1206:
1.166 schwarze 1207: term_word(p, "is set to indicate the error.");
1.84 schwarze 1208: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1209:
1.53 schwarze 1210: return(0);
1.1 kristaps 1211: }
1212:
1213: static int
1214: termp_ex_pre(DECL_ARGS)
1215: {
1.132 schwarze 1216: int nchild;
1.1 kristaps 1217:
1.132 schwarze 1218: term_newln(p);
1.53 schwarze 1219: term_word(p, "The");
1.1 kristaps 1220:
1.132 schwarze 1221: nchild = n->nchild;
1222: for (n = n->child; n; n = n->next) {
1.65 schwarze 1223: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1224: term_word(p, n->string);
1.65 schwarze 1225: term_fontpop(p);
1.132 schwarze 1226:
1227: if (nchild > 2 && n->next) {
1228: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1229: term_word(p, ",");
1.132 schwarze 1230: }
1231:
1232: if (n->next && NULL == n->next->next)
1233: term_word(p, "and");
1.53 schwarze 1234: }
1235:
1.132 schwarze 1236: if (nchild > 1)
1.175 schwarze 1237: term_word(p, "utilities exit\\~0");
1.53 schwarze 1238: else
1.175 schwarze 1239: term_word(p, "utility exits\\~0");
1.53 schwarze 1240:
1.175 schwarze 1241: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1242:
1.84 schwarze 1243: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1244: return(0);
1.1 kristaps 1245: }
1246:
1247: static int
1248: termp_nd_pre(DECL_ARGS)
1249: {
1.25 schwarze 1250:
1.60 schwarze 1251: if (MDOC_BODY != n->type)
1.25 schwarze 1252: return(1);
1253:
1254: #if defined(__OpenBSD__) || defined(__linux__)
1255: term_word(p, "\\(en");
1.24 schwarze 1256: #else
1257: term_word(p, "\\(em");
1258: #endif
1.1 kristaps 1259: return(1);
1260: }
1261:
1.73 schwarze 1262: static int
1263: termp_bl_pre(DECL_ARGS)
1264: {
1265:
1266: return(MDOC_HEAD != n->type);
1267: }
1268:
1.1 kristaps 1269: static void
1270: termp_bl_post(DECL_ARGS)
1271: {
1272:
1.60 schwarze 1273: if (MDOC_BLOCK == n->type)
1.1 kristaps 1274: term_newln(p);
1275: }
1276:
1277: static int
1278: termp_xr_pre(DECL_ARGS)
1279: {
1280:
1.132 schwarze 1281: if (NULL == (n = n->child))
1.72 schwarze 1282: return(0);
1283:
1.132 schwarze 1284: assert(MDOC_TEXT == n->type);
1285: term_word(p, n->string);
1.10 schwarze 1286:
1.166 schwarze 1287: if (NULL == (n = n->next))
1.1 kristaps 1288: return(0);
1.132 schwarze 1289:
1.1 kristaps 1290: p->flags |= TERMP_NOSPACE;
1291: term_word(p, "(");
1.132 schwarze 1292: p->flags |= TERMP_NOSPACE;
1293:
1294: assert(MDOC_TEXT == n->type);
1295: term_word(p, n->string);
1296:
1297: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1298: term_word(p, ")");
1.60 schwarze 1299:
1.1 kristaps 1300: return(0);
1301: }
1302:
1.86 schwarze 1303: /*
1304: * This decides how to assert whitespace before any of the SYNOPSIS set
1305: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1306: * macro combos).
1307: */
1308: static void
1309: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1310: {
1.166 schwarze 1311: /*
1.86 schwarze 1312: * Obviously, if we're not in a SYNOPSIS or no prior macros
1313: * exist, do nothing.
1314: */
1.92 schwarze 1315: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1316: return;
1317:
1318: /*
1319: * If we're the second in a pair of like elements, emit our
1320: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1321: * case we soldier on.
1322: */
1.166 schwarze 1323: if (n->prev->tok == n->tok &&
1324: MDOC_Ft != n->tok &&
1325: MDOC_Fo != n->tok &&
1326: MDOC_Fn != n->tok) {
1.86 schwarze 1327: term_newln(p);
1328: return;
1329: }
1330:
1331: /*
1332: * If we're one of the SYNOPSIS set and non-like pair-wise after
1333: * another (or Fn/Fo, which we've let slip through) then assert
1334: * vertical space, else only newline and move on.
1335: */
1336: switch (n->prev->tok) {
1.166 schwarze 1337: case MDOC_Fd:
1.86 schwarze 1338: /* FALLTHROUGH */
1.166 schwarze 1339: case MDOC_Fn:
1.86 schwarze 1340: /* FALLTHROUGH */
1.166 schwarze 1341: case MDOC_Fo:
1.86 schwarze 1342: /* FALLTHROUGH */
1.166 schwarze 1343: case MDOC_In:
1.86 schwarze 1344: /* FALLTHROUGH */
1.166 schwarze 1345: case MDOC_Vt:
1.86 schwarze 1346: term_vspace(p);
1347: break;
1.166 schwarze 1348: case MDOC_Ft:
1.86 schwarze 1349: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1350: term_vspace(p);
1351: break;
1352: }
1353: /* FALLTHROUGH */
1354: default:
1355: term_newln(p);
1356: break;
1357: }
1358: }
1359:
1.69 schwarze 1360: static int
1361: termp_vt_pre(DECL_ARGS)
1362: {
1363:
1.86 schwarze 1364: if (MDOC_ELEM == n->type) {
1365: synopsis_pre(p, n);
1.147 schwarze 1366: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1367: } else if (MDOC_BLOCK == n->type) {
1368: synopsis_pre(p, n);
1369: return(1);
1370: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1371: return(0);
1372:
1.147 schwarze 1373: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1374: }
1375:
1.1 kristaps 1376: static int
1.54 schwarze 1377: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1378: {
1379:
1.65 schwarze 1380: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1381: return(1);
1382: }
1383:
1.86 schwarze 1384: static int
1385: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1386: {
1387:
1.86 schwarze 1388: synopsis_pre(p, n);
1.147 schwarze 1389: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1390: }
1391:
1.143 schwarze 1392: static void
1393: termp_fd_post(DECL_ARGS)
1394: {
1395:
1396: term_newln(p);
1397: }
1398:
1.1 kristaps 1399: static int
1400: termp_sh_pre(DECL_ARGS)
1401: {
1.60 schwarze 1402:
1403: /* No vspace between consecutive `Sh' calls. */
1404:
1405: switch (n->type) {
1.166 schwarze 1406: case MDOC_BLOCK:
1.60 schwarze 1407: if (n->prev && MDOC_Sh == n->prev->tok)
1408: if (NULL == n->prev->body->child)
1.52 schwarze 1409: break;
1410: term_vspace(p);
1411: break;
1.166 schwarze 1412: case MDOC_HEAD:
1.65 schwarze 1413: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1414: break;
1.166 schwarze 1415: case MDOC_BODY:
1.140 schwarze 1416: p->offset = term_len(p, p->defindent);
1.141 schwarze 1417: if (SEC_AUTHORS == n->sec)
1418: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1419: break;
1420: default:
1421: break;
1422: }
1423: return(1);
1424: }
1425:
1426: static void
1427: termp_sh_post(DECL_ARGS)
1428: {
1429:
1.60 schwarze 1430: switch (n->type) {
1.166 schwarze 1431: case MDOC_HEAD:
1.1 kristaps 1432: term_newln(p);
1433: break;
1.166 schwarze 1434: case MDOC_BODY:
1.1 kristaps 1435: term_newln(p);
1436: p->offset = 0;
1437: break;
1438: default:
1439: break;
1440: }
1441: }
1442:
1443: static int
1444: termp_bt_pre(DECL_ARGS)
1445: {
1446:
1447: term_word(p, "is currently in beta test.");
1.84 schwarze 1448: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1449: return(0);
1.1 kristaps 1450: }
1451:
1452: static void
1453: termp_lb_post(DECL_ARGS)
1454: {
1455:
1.77 schwarze 1456: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1457: term_newln(p);
1.1 kristaps 1458: }
1459:
1460: static int
1461: termp_ud_pre(DECL_ARGS)
1462: {
1463:
1464: term_word(p, "currently under development.");
1.84 schwarze 1465: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1466: return(0);
1.1 kristaps 1467: }
1468:
1469: static int
1470: termp_d1_pre(DECL_ARGS)
1471: {
1472:
1.60 schwarze 1473: if (MDOC_BLOCK != n->type)
1.1 kristaps 1474: return(1);
1475: term_newln(p);
1.140 schwarze 1476: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1477: return(1);
1478: }
1479:
1480: static int
1481: termp_ft_pre(DECL_ARGS)
1482: {
1483:
1.85 schwarze 1484: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1485: synopsis_pre(p, n);
1.65 schwarze 1486: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1487: return(1);
1488: }
1489:
1490: static int
1491: termp_fn_pre(DECL_ARGS)
1492: {
1.159 schwarze 1493: size_t rmargin = 0;
1.132 schwarze 1494: int pretty;
1495:
1496: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1497:
1.86 schwarze 1498: synopsis_pre(p, n);
1.85 schwarze 1499:
1.132 schwarze 1500: if (NULL == (n = n->child))
1501: return(0);
1502:
1.153 schwarze 1503: if (pretty) {
1504: rmargin = p->rmargin;
1.159 schwarze 1505: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1506: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1507: }
1508:
1.132 schwarze 1509: assert(MDOC_TEXT == n->type);
1.65 schwarze 1510: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1511: term_word(p, n->string);
1.65 schwarze 1512: term_fontpop(p);
1.1 kristaps 1513:
1.153 schwarze 1514: if (pretty) {
1515: term_flushln(p);
1.165 schwarze 1516: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1517: p->offset = p->rmargin;
1518: p->rmargin = rmargin;
1519: }
1520:
1.1 kristaps 1521: p->flags |= TERMP_NOSPACE;
1522: term_word(p, "(");
1.132 schwarze 1523: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1524:
1.132 schwarze 1525: for (n = n->next; n; n = n->next) {
1526: assert(MDOC_TEXT == n->type);
1.65 schwarze 1527: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1528: if (pretty)
1529: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1530: term_word(p, n->string);
1.65 schwarze 1531: term_fontpop(p);
1532:
1.132 schwarze 1533: if (n->next) {
1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535: term_word(p, ",");
1.132 schwarze 1536: }
1.1 kristaps 1537: }
1538:
1.132 schwarze 1539: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1540: term_word(p, ")");
1541:
1.132 schwarze 1542: if (pretty) {
1543: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1544: term_word(p, ";");
1.153 schwarze 1545: term_flushln(p);
1.132 schwarze 1546: }
1.1 kristaps 1547:
1548: return(0);
1549: }
1550:
1551: static int
1552: termp_fa_pre(DECL_ARGS)
1553: {
1.60 schwarze 1554: const struct mdoc_node *nn;
1.1 kristaps 1555:
1.60 schwarze 1556: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1557: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1558: return(1);
1559: }
1560:
1.60 schwarze 1561: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1562: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1563: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1564: term_word(p, nn->string);
1.65 schwarze 1565: term_fontpop(p);
1566:
1.158 schwarze 1567: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1568: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1569: term_word(p, ",");
1.132 schwarze 1570: }
1.1 kristaps 1571: }
1572:
1573: return(0);
1574: }
1575:
1576: static int
1577: termp_bd_pre(DECL_ARGS)
1578: {
1.174 schwarze 1579: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1580: struct mdoc_node *nn;
1.1 kristaps 1581:
1.60 schwarze 1582: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1583: print_bvspace(p, n, n);
1.45 schwarze 1584: return(1);
1.73 schwarze 1585: } else if (MDOC_HEAD == n->type)
1586: return(0);
1.1 kristaps 1587:
1.121 schwarze 1588: if (n->norm->Bd.offs)
1589: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1590:
1591: /*
1592: * If -ragged or -filled are specified, the block does nothing
1593: * but change the indentation. If -unfilled or -literal are
1594: * specified, text is printed exactly as entered in the display:
1595: * for macro lines, a newline is appended to the line. Blank
1596: * lines are allowed.
1597: */
1.166 schwarze 1598:
1599: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1600: DISP_unfilled != n->norm->Bd.type &&
1601: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1602: return(1);
1603:
1.75 schwarze 1604: tabwidth = p->tabwidth;
1.123 schwarze 1605: if (DISP_literal == n->norm->Bd.type)
1606: p->tabwidth = term_len(p, 8);
1607:
1.174 schwarze 1608: lm = p->offset;
1.77 schwarze 1609: rm = p->rmargin;
1610: rmax = p->maxrmargin;
1611: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1612:
1.60 schwarze 1613: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1614: if (DISP_centered == n->norm->Bd.type) {
1615: if (MDOC_TEXT == nn->type) {
1616: len = term_strlen(p, nn->string);
1617: p->offset = len >= rm ? 0 :
1618: lm + len >= rm ? rm - len :
1619: (lm + rm - len) / 2;
1620: } else
1621: p->offset = lm;
1622: }
1.147 schwarze 1623: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1624: /*
1625: * If the printed node flushes its own line, then we
1626: * needn't do it here as well. This is hacky, but the
1627: * notion of selective eoln whitespace is pretty dumb
1628: * anyway, so don't sweat it.
1629: */
1630: switch (nn->tok) {
1.166 schwarze 1631: case MDOC_Sm:
1.112 schwarze 1632: /* FALLTHROUGH */
1.166 schwarze 1633: case MDOC_br:
1.108 schwarze 1634: /* FALLTHROUGH */
1.166 schwarze 1635: case MDOC_sp:
1.108 schwarze 1636: /* FALLTHROUGH */
1.166 schwarze 1637: case MDOC_Bl:
1.115 schwarze 1638: /* FALLTHROUGH */
1.166 schwarze 1639: case MDOC_D1:
1.115 schwarze 1640: /* FALLTHROUGH */
1.166 schwarze 1641: case MDOC_Dl:
1.108 schwarze 1642: /* FALLTHROUGH */
1.166 schwarze 1643: case MDOC_Lp:
1.108 schwarze 1644: /* FALLTHROUGH */
1.166 schwarze 1645: case MDOC_Pp:
1.108 schwarze 1646: continue;
1647: default:
1648: break;
1649: }
1.100 schwarze 1650: if (nn->next && nn->next->line == nn->line)
1651: continue;
1652: term_flushln(p);
1.48 schwarze 1653: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1654: }
1.88 schwarze 1655:
1.75 schwarze 1656: p->tabwidth = tabwidth;
1.77 schwarze 1657: p->rmargin = rm;
1658: p->maxrmargin = rmax;
1.1 kristaps 1659: return(0);
1660: }
1661:
1662: static void
1663: termp_bd_post(DECL_ARGS)
1664: {
1.77 schwarze 1665: size_t rm, rmax;
1.1 kristaps 1666:
1.166 schwarze 1667: if (MDOC_BODY != n->type)
1.1 kristaps 1668: return;
1.77 schwarze 1669:
1670: rm = p->rmargin;
1671: rmax = p->maxrmargin;
1672:
1.166 schwarze 1673: if (DISP_literal == n->norm->Bd.type ||
1674: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1675: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1676:
1.48 schwarze 1677: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1678: term_newln(p);
1.77 schwarze 1679:
1680: p->rmargin = rm;
1681: p->maxrmargin = rmax;
1.1 kristaps 1682: }
1683:
1.126 schwarze 1684: static int
1685: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1686: {
1687:
1.126 schwarze 1688: if (NULL != (n = n->child)) {
1689: term_word(p, n->string);
1690: p->flags |= TERMP_NOSPACE;
1691: term_word(p, "BSD");
1692: } else {
1693: term_word(p, "BSD");
1694: return(0);
1695: }
1696:
1697: if (NULL != (n = n->next)) {
1698: p->flags |= TERMP_NOSPACE;
1699: term_word(p, "-");
1.1 kristaps 1700: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1701: term_word(p, n->string);
1702: }
1703:
1704: return(0);
1.1 kristaps 1705: }
1706:
1707: static int
1.26 schwarze 1708: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1709: {
1.26 schwarze 1710: const char *pp;
1.129 schwarze 1711: int flags;
1.1 kristaps 1712:
1.26 schwarze 1713: pp = NULL;
1.60 schwarze 1714: switch (n->tok) {
1.166 schwarze 1715: case MDOC_Bsx:
1.113 schwarze 1716: pp = "BSD/OS";
1.26 schwarze 1717: break;
1.166 schwarze 1718: case MDOC_Dx:
1.64 schwarze 1719: pp = "DragonFly";
1.26 schwarze 1720: break;
1.166 schwarze 1721: case MDOC_Fx:
1.26 schwarze 1722: pp = "FreeBSD";
1723: break;
1.166 schwarze 1724: case MDOC_Nx:
1.26 schwarze 1725: pp = "NetBSD";
1726: break;
1.166 schwarze 1727: case MDOC_Ox:
1.26 schwarze 1728: pp = "OpenBSD";
1729: break;
1.166 schwarze 1730: case MDOC_Ux:
1.26 schwarze 1731: pp = "UNIX";
1732: break;
1733: default:
1.148 schwarze 1734: abort();
1735: /* NOTREACHED */
1.26 schwarze 1736: }
1.1 kristaps 1737:
1.26 schwarze 1738: term_word(p, pp);
1.129 schwarze 1739: if (n->child) {
1740: flags = p->flags;
1741: p->flags |= TERMP_KEEP;
1742: term_word(p, n->child->string);
1743: p->flags = flags;
1744: }
1745: return(0);
1.1 kristaps 1746: }
1747:
1748: static void
1749: termp_pf_post(DECL_ARGS)
1750: {
1751:
1752: p->flags |= TERMP_NOSPACE;
1753: }
1754:
1755: static int
1756: termp_ss_pre(DECL_ARGS)
1757: {
1758:
1.60 schwarze 1759: switch (n->type) {
1.166 schwarze 1760: case MDOC_BLOCK:
1.1 kristaps 1761: term_newln(p);
1.60 schwarze 1762: if (n->prev)
1.1 kristaps 1763: term_vspace(p);
1764: break;
1.166 schwarze 1765: case MDOC_HEAD:
1.65 schwarze 1766: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1767: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1768: break;
1.176 ! schwarze 1769: case MDOC_BODY:
! 1770: p->offset = term_len(p, p->defindent);
! 1771: break;
1.1 kristaps 1772: default:
1773: break;
1774: }
1775:
1776: return(1);
1777: }
1778:
1779: static void
1780: termp_ss_post(DECL_ARGS)
1781: {
1782:
1.176 ! schwarze 1783: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1784: term_newln(p);
1785: }
1786:
1787: static int
1788: termp_cd_pre(DECL_ARGS)
1789: {
1790:
1.86 schwarze 1791: synopsis_pre(p, n);
1.65 schwarze 1792: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1793: return(1);
1794: }
1795:
1796: static int
1797: termp_in_pre(DECL_ARGS)
1798: {
1799:
1.86 schwarze 1800: synopsis_pre(p, n);
1.85 schwarze 1801:
1.92 schwarze 1802: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1803: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1804: term_word(p, "#include");
1.85 schwarze 1805: term_word(p, "<");
1806: } else {
1807: term_word(p, "<");
1808: term_fontpush(p, TERMFONT_UNDER);
1809: }
1.23 schwarze 1810:
1.1 kristaps 1811: p->flags |= TERMP_NOSPACE;
1812: return(1);
1813: }
1814:
1815: static void
1816: termp_in_post(DECL_ARGS)
1817: {
1818:
1.92 schwarze 1819: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1820: term_fontpush(p, TERMFONT_BOLD);
1821:
1.59 schwarze 1822: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1823: term_word(p, ">");
1824:
1.92 schwarze 1825: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1826: term_fontpop(p);
1.38 schwarze 1827: }
1828:
1829: static int
1830: termp_sp_pre(DECL_ARGS)
1831: {
1.61 schwarze 1832: size_t i, len;
1.38 schwarze 1833:
1.60 schwarze 1834: switch (n->tok) {
1.166 schwarze 1835: case MDOC_sp:
1.89 schwarze 1836: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1837: break;
1.166 schwarze 1838: case MDOC_br:
1.54 schwarze 1839: len = 0;
1840: break;
1841: default:
1842: len = 1;
1843: break;
1.38 schwarze 1844: }
1845:
1846: if (0 == len)
1847: term_newln(p);
1848: for (i = 0; i < len; i++)
1849: term_vspace(p);
1850:
1851: return(0);
1852: }
1853:
1854: static int
1.170 schwarze 1855: termp_es_pre(DECL_ARGS)
1856: {
1857:
1858: return(0);
1859: }
1860:
1861: static int
1.107 schwarze 1862: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1863: {
1864:
1.120 schwarze 1865: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1866: return(1);
1867:
1.107 schwarze 1868: switch (n->tok) {
1.166 schwarze 1869: case MDOC_Ao:
1.107 schwarze 1870: /* FALLTHROUGH */
1.166 schwarze 1871: case MDOC_Aq:
1.107 schwarze 1872: term_word(p, "<");
1873: break;
1.166 schwarze 1874: case MDOC_Bro:
1.107 schwarze 1875: /* FALLTHROUGH */
1.166 schwarze 1876: case MDOC_Brq:
1.107 schwarze 1877: term_word(p, "{");
1878: break;
1.166 schwarze 1879: case MDOC_Oo:
1.107 schwarze 1880: /* FALLTHROUGH */
1.166 schwarze 1881: case MDOC_Op:
1.107 schwarze 1882: /* FALLTHROUGH */
1.166 schwarze 1883: case MDOC_Bo:
1.107 schwarze 1884: /* FALLTHROUGH */
1.166 schwarze 1885: case MDOC_Bq:
1.107 schwarze 1886: term_word(p, "[");
1887: break;
1.166 schwarze 1888: case MDOC_Do:
1.107 schwarze 1889: /* FALLTHROUGH */
1.166 schwarze 1890: case MDOC_Dq:
1.151 schwarze 1891: term_word(p, "\\(lq");
1.107 schwarze 1892: break;
1.170 schwarze 1893: case MDOC_En:
1894: if (NULL == n->norm->Es ||
1895: NULL == n->norm->Es->child)
1896: return(1);
1897: term_word(p, n->norm->Es->child->string);
1898: break;
1.166 schwarze 1899: case MDOC_Eo:
1.139 schwarze 1900: break;
1.166 schwarze 1901: case MDOC_Po:
1.107 schwarze 1902: /* FALLTHROUGH */
1.166 schwarze 1903: case MDOC_Pq:
1.107 schwarze 1904: term_word(p, "(");
1905: break;
1.166 schwarze 1906: case MDOC__T:
1.120 schwarze 1907: /* FALLTHROUGH */
1.166 schwarze 1908: case MDOC_Qo:
1.107 schwarze 1909: /* FALLTHROUGH */
1.166 schwarze 1910: case MDOC_Qq:
1.107 schwarze 1911: term_word(p, "\"");
1912: break;
1.166 schwarze 1913: case MDOC_Ql:
1.107 schwarze 1914: /* FALLTHROUGH */
1.166 schwarze 1915: case MDOC_So:
1.107 schwarze 1916: /* FALLTHROUGH */
1.166 schwarze 1917: case MDOC_Sq:
1.151 schwarze 1918: term_word(p, "\\(oq");
1.107 schwarze 1919: break;
1920: default:
1921: abort();
1922: /* NOTREACHED */
1923: }
1.1 kristaps 1924:
1925: p->flags |= TERMP_NOSPACE;
1926: return(1);
1927: }
1928:
1929: static void
1.107 schwarze 1930: termp_quote_post(DECL_ARGS)
1.1 kristaps 1931: {
1932:
1.120 schwarze 1933: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1934: return;
1935:
1.170 schwarze 1936: if (MDOC_En != n->tok)
1937: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1938:
1.107 schwarze 1939: switch (n->tok) {
1.166 schwarze 1940: case MDOC_Ao:
1.107 schwarze 1941: /* FALLTHROUGH */
1.166 schwarze 1942: case MDOC_Aq:
1.107 schwarze 1943: term_word(p, ">");
1944: break;
1.166 schwarze 1945: case MDOC_Bro:
1.107 schwarze 1946: /* FALLTHROUGH */
1.166 schwarze 1947: case MDOC_Brq:
1.107 schwarze 1948: term_word(p, "}");
1949: break;
1.166 schwarze 1950: case MDOC_Oo:
1.107 schwarze 1951: /* FALLTHROUGH */
1.166 schwarze 1952: case MDOC_Op:
1.107 schwarze 1953: /* FALLTHROUGH */
1.166 schwarze 1954: case MDOC_Bo:
1.107 schwarze 1955: /* FALLTHROUGH */
1.166 schwarze 1956: case MDOC_Bq:
1.107 schwarze 1957: term_word(p, "]");
1958: break;
1.166 schwarze 1959: case MDOC_Do:
1.107 schwarze 1960: /* FALLTHROUGH */
1.166 schwarze 1961: case MDOC_Dq:
1.151 schwarze 1962: term_word(p, "\\(rq");
1.170 schwarze 1963: break;
1964: case MDOC_En:
1965: if (NULL != n->norm->Es &&
1966: NULL != n->norm->Es->child &&
1967: NULL != n->norm->Es->child->next) {
1968: p->flags |= TERMP_NOSPACE;
1969: term_word(p, n->norm->Es->child->next->string);
1970: }
1.139 schwarze 1971: break;
1.166 schwarze 1972: case MDOC_Eo:
1.107 schwarze 1973: break;
1.166 schwarze 1974: case MDOC_Po:
1.107 schwarze 1975: /* FALLTHROUGH */
1.166 schwarze 1976: case MDOC_Pq:
1.107 schwarze 1977: term_word(p, ")");
1978: break;
1.166 schwarze 1979: case MDOC__T:
1.120 schwarze 1980: /* FALLTHROUGH */
1.166 schwarze 1981: case MDOC_Qo:
1.107 schwarze 1982: /* FALLTHROUGH */
1.166 schwarze 1983: case MDOC_Qq:
1.107 schwarze 1984: term_word(p, "\"");
1985: break;
1.166 schwarze 1986: case MDOC_Ql:
1.107 schwarze 1987: /* FALLTHROUGH */
1.166 schwarze 1988: case MDOC_So:
1.107 schwarze 1989: /* FALLTHROUGH */
1.166 schwarze 1990: case MDOC_Sq:
1.151 schwarze 1991: term_word(p, "\\(cq");
1.107 schwarze 1992: break;
1993: default:
1994: abort();
1995: /* NOTREACHED */
1996: }
1.1 kristaps 1997: }
1998:
1999: static int
2000: termp_fo_pre(DECL_ARGS)
2001: {
1.159 schwarze 2002: size_t rmargin = 0;
1.158 schwarze 2003: int pretty;
2004:
2005: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2006:
1.85 schwarze 2007: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2008: synopsis_pre(p, n);
1.85 schwarze 2009: return(1);
2010: } else if (MDOC_BODY == n->type) {
1.158 schwarze 2011: if (pretty) {
2012: rmargin = p->rmargin;
1.159 schwarze 2013: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2014: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2015: TERMP_HANG;
1.158 schwarze 2016: }
1.31 schwarze 2017: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2018: term_word(p, "(");
1.132 schwarze 2019: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2020: if (pretty) {
2021: term_flushln(p);
1.165 schwarze 2022: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2023: TERMP_HANG);
1.158 schwarze 2024: p->offset = p->rmargin;
2025: p->rmargin = rmargin;
2026: }
1.1 kristaps 2027: return(1);
1.158 schwarze 2028: }
1.85 schwarze 2029:
1.95 schwarze 2030: if (NULL == n->child)
2031: return(0);
2032:
1.85 schwarze 2033: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2034:
1.85 schwarze 2035: assert(n->child->string);
1.65 schwarze 2036: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2037: term_word(p, n->child->string);
1.1 kristaps 2038: return(0);
2039: }
2040:
2041: static void
2042: termp_fo_post(DECL_ARGS)
2043: {
2044:
1.166 schwarze 2045: if (MDOC_BODY != n->type)
1.86 schwarze 2046: return;
2047:
1.132 schwarze 2048: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2049: term_word(p, ")");
2050:
1.132 schwarze 2051: if (MDOC_SYNPRETTY & n->flags) {
2052: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2053: term_word(p, ";");
1.158 schwarze 2054: term_flushln(p);
1.132 schwarze 2055: }
1.1 kristaps 2056: }
2057:
2058: static int
2059: termp_bf_pre(DECL_ARGS)
2060: {
2061:
1.60 schwarze 2062: if (MDOC_HEAD == n->type)
1.1 kristaps 2063: return(0);
1.146 schwarze 2064: else if (MDOC_BODY != n->type)
1.1 kristaps 2065: return(1);
2066:
1.166 schwarze 2067: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2068: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2069: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2070: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2071: else
1.65 schwarze 2072: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2073:
2074: return(1);
2075: }
2076:
2077: static int
2078: termp_sm_pre(DECL_ARGS)
2079: {
2080:
1.171 schwarze 2081: if (NULL == n->child)
2082: p->flags ^= TERMP_NONOSPACE;
2083: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2084: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2085: else
1.1 kristaps 2086: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2087:
2088: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2089: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2090:
2091: return(0);
2092: }
2093:
2094: static int
2095: termp_ap_pre(DECL_ARGS)
2096: {
2097:
2098: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2099: term_word(p, "'");
1.1 kristaps 2100: p->flags |= TERMP_NOSPACE;
2101: return(1);
2102: }
2103:
2104: static void
2105: termp____post(DECL_ARGS)
2106: {
1.104 schwarze 2107:
2108: /*
2109: * Handle lists of authors. In general, print each followed by
2110: * a comma. Don't print the comma if there are only two
2111: * authors.
2112: */
2113: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2114: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2115: if (NULL == n->prev || MDOC__A != n->prev->tok)
2116: return;
1.1 kristaps 2117:
1.62 schwarze 2118: /* TODO: %U. */
2119:
1.106 schwarze 2120: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2121: return;
2122:
1.132 schwarze 2123: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2124: if (NULL == n->next) {
2125: term_word(p, ".");
2126: p->flags |= TERMP_SENTENCE;
2127: } else
2128: term_word(p, ",");
1.1 kristaps 2129: }
2130:
2131: static int
1.65 schwarze 2132: termp_li_pre(DECL_ARGS)
2133: {
2134:
2135: term_fontpush(p, TERMFONT_NONE);
2136: return(1);
2137: }
2138:
2139: static int
1.1 kristaps 2140: termp_lk_pre(DECL_ARGS)
2141: {
1.142 schwarze 2142: const struct mdoc_node *link, *descr;
1.1 kristaps 2143:
1.142 schwarze 2144: if (NULL == (link = n->child))
2145: return(0);
1.101 schwarze 2146:
1.142 schwarze 2147: if (NULL != (descr = link->next)) {
2148: term_fontpush(p, TERMFONT_UNDER);
2149: while (NULL != descr) {
2150: term_word(p, descr->string);
2151: descr = descr->next;
2152: }
2153: p->flags |= TERMP_NOSPACE;
2154: term_word(p, ":");
2155: term_fontpop(p);
2156: }
1.1 kristaps 2157:
1.65 schwarze 2158: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2159: term_word(p, link->string);
1.65 schwarze 2160: term_fontpop(p);
1.6 schwarze 2161:
1.1 kristaps 2162: return(0);
2163: }
2164:
1.90 schwarze 2165: static int
2166: termp_bk_pre(DECL_ARGS)
2167: {
2168:
1.91 schwarze 2169: switch (n->type) {
1.166 schwarze 2170: case MDOC_BLOCK:
1.95 schwarze 2171: break;
1.166 schwarze 2172: case MDOC_HEAD:
1.91 schwarze 2173: return(0);
1.166 schwarze 2174: case MDOC_BODY:
1.117 schwarze 2175: if (n->parent->args || 0 == n->prev->nchild)
2176: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2177: break;
1.91 schwarze 2178: default:
2179: abort();
1.95 schwarze 2180: /* NOTREACHED */
1.91 schwarze 2181: }
1.95 schwarze 2182:
2183: return(1);
1.90 schwarze 2184: }
2185:
2186: static void
2187: termp_bk_post(DECL_ARGS)
2188: {
2189:
1.155 schwarze 2190: if (MDOC_BODY == n->type)
1.91 schwarze 2191: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2192: }
1.120 schwarze 2193:
2194: static void
2195: termp__t_post(DECL_ARGS)
2196: {
2197:
2198: /*
2199: * If we're in an `Rs' and there's a journal present, then quote
2200: * us instead of underlining us (for disambiguation).
2201: */
1.121 schwarze 2202: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2203: n->parent->norm->Rs.quote_T)
1.147 schwarze 2204: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2205:
1.147 schwarze 2206: termp____post(p, pair, meta, n);
1.120 schwarze 2207: }
2208:
2209: static int
2210: termp__t_pre(DECL_ARGS)
2211: {
2212:
2213: /*
2214: * If we're in an `Rs' and there's a journal present, then quote
2215: * us instead of underlining us (for disambiguation).
2216: */
1.121 schwarze 2217: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2218: n->parent->norm->Rs.quote_T)
1.147 schwarze 2219: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2220:
2221: term_fontpush(p, TERMFONT_UNDER);
2222: return(1);
1.121 schwarze 2223: }
1.1 kristaps 2224:
2225: static int
1.54 schwarze 2226: termp_under_pre(DECL_ARGS)
1.1 kristaps 2227: {
2228:
1.65 schwarze 2229: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2230: return(1);
2231: }
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