Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.186
1.186 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.185 2014/10/20 15:49:45 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);
1.29 schwarze 66: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 67: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 68: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 69: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 70: static void termp_fo_post(DECL_ARGS);
71: static void termp_in_post(DECL_ARGS);
72: static void termp_it_post(DECL_ARGS);
73: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 74: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 75: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 76: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 77: static void termp_sh_post(DECL_ARGS);
78: static void termp_ss_post(DECL_ARGS);
79:
1.104 schwarze 80: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 81: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 82: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 83: static int termp_ap_pre(DECL_ARGS);
84: static int termp_bd_pre(DECL_ARGS);
85: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 86: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 87: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 88: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 89: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 90: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 91: static int termp_cd_pre(DECL_ARGS);
92: static int termp_d1_pre(DECL_ARGS);
1.170 schwarze 93: static int termp_es_pre(DECL_ARGS);
1.29 schwarze 94: static int termp_ex_pre(DECL_ARGS);
95: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 96: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_fl_pre(DECL_ARGS);
98: static int termp_fn_pre(DECL_ARGS);
99: static int termp_fo_pre(DECL_ARGS);
100: static int termp_ft_pre(DECL_ARGS);
101: static int termp_in_pre(DECL_ARGS);
102: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 103: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 104: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 105: static int termp_lk_pre(DECL_ARGS);
106: static int termp_nd_pre(DECL_ARGS);
107: static int termp_nm_pre(DECL_ARGS);
108: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 109: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 110: static int termp_rs_pre(DECL_ARGS);
111: static int termp_rv_pre(DECL_ARGS);
112: static int termp_sh_pre(DECL_ARGS);
113: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 114: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 116: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 118: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 119: static int termp_xr_pre(DECL_ARGS);
120: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 121:
1.54 schwarze 122: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 123: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 124: { NULL, NULL }, /* Dd */
125: { NULL, NULL }, /* Dt */
126: { NULL, NULL }, /* Os */
127: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 128: { termp_ss_pre, termp_ss_post }, /* Ss */
129: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 130: { termp_d1_pre, termp_bl_post }, /* D1 */
131: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 132: { termp_bd_pre, termp_bd_post }, /* Bd */
133: { NULL, NULL }, /* Ed */
1.73 schwarze 134: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 135: { NULL, NULL }, /* El */
136: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 137: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 138: { termp_an_pre, NULL }, /* An */
1.54 schwarze 139: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 140: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 141: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 142: { NULL, NULL }, /* Dv */
143: { NULL, NULL }, /* Er */
144: { NULL, NULL }, /* Ev */
1.1 kristaps 145: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 146: { termp_fa_pre, NULL }, /* Fa */
147: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 148: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 149: { termp_fn_pre, NULL }, /* Fn */
150: { termp_ft_pre, NULL }, /* Ft */
151: { termp_bold_pre, NULL }, /* Ic */
152: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 153: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 154: { termp_nd_pre, NULL }, /* Nd */
155: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 156: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 157: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 158: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 159: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 160: { NULL, NULL }, /* St */
1.54 schwarze 161: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 162: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 163: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 164: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 165: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 166: { NULL, termp____post }, /* %D */
1.58 schwarze 167: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 168: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 169: { NULL, termp____post }, /* %N */
170: { NULL, termp____post }, /* %O */
171: { NULL, termp____post }, /* %P */
172: { NULL, termp____post }, /* %R */
1.120 schwarze 173: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 174: { NULL, termp____post }, /* %V */
175: { NULL, NULL }, /* Ac */
1.107 schwarze 176: { termp_quote_pre, termp_quote_post }, /* Ao */
177: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 178: { NULL, NULL }, /* At */
1.1 kristaps 179: { NULL, NULL }, /* Bc */
1.166 schwarze 180: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 181: { termp_quote_pre, termp_quote_post }, /* Bo */
182: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 183: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 184: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 185: { NULL, NULL }, /* Db */
186: { NULL, NULL }, /* Dc */
1.107 schwarze 187: { termp_quote_pre, termp_quote_post }, /* Do */
188: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 189: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 190: { NULL, NULL }, /* Ef */
1.166 schwarze 191: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 192: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 193: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 194: { termp_bold_pre, NULL }, /* Ms */
1.156 schwarze 195: { NULL, NULL }, /* No */
1.1 kristaps 196: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 197: { termp_xx_pre, NULL }, /* Nx */
198: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 199: { NULL, NULL }, /* Pc */
1.156 schwarze 200: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 201: { termp_quote_pre, termp_quote_post }, /* Po */
202: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 203: { NULL, NULL }, /* Qc */
1.107 schwarze 204: { termp_quote_pre, termp_quote_post }, /* Ql */
205: { termp_quote_pre, termp_quote_post }, /* Qo */
206: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 207: { NULL, NULL }, /* Re */
208: { termp_rs_pre, NULL }, /* Rs */
209: { NULL, NULL }, /* Sc */
1.107 schwarze 210: { termp_quote_pre, termp_quote_post }, /* So */
211: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 212: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 213: { termp_under_pre, NULL }, /* Sx */
214: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 215: { NULL, NULL }, /* Tn */
1.26 schwarze 216: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 217: { NULL, NULL }, /* Xc */
218: { NULL, NULL }, /* Xo */
1.166 schwarze 219: { termp_fo_pre, termp_fo_post }, /* Fo */
220: { NULL, NULL }, /* Fc */
1.107 schwarze 221: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 222: { NULL, NULL }, /* Oc */
1.90 schwarze 223: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 224: { NULL, NULL }, /* Ek */
225: { termp_bt_pre, NULL }, /* Bt */
226: { NULL, NULL }, /* Hf */
1.170 schwarze 227: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 228: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 229: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 230: { termp_sp_pre, NULL }, /* Lp */
231: { termp_lk_pre, NULL }, /* Lk */
232: { termp_under_pre, NULL }, /* Mt */
233: { termp_quote_pre, termp_quote_post }, /* Brq */
234: { termp_quote_pre, termp_quote_post }, /* Bro */
235: { NULL, NULL }, /* Brc */
236: { NULL, termp____post }, /* %C */
1.170 schwarze 237: { termp_es_pre, NULL }, /* Es */
238: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 239: { termp_xx_pre, NULL }, /* Dx */
240: { NULL, termp____post }, /* %Q */
1.54 schwarze 241: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 242: { termp_sp_pre, NULL }, /* sp */
243: { NULL, termp____post }, /* %U */
244: { NULL, NULL }, /* Ta */
1.162 schwarze 245: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 246: };
247:
248:
1.55 schwarze 249: void
1.61 schwarze 250: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 251: {
1.147 schwarze 252: const struct mdoc_meta *meta;
1.180 schwarze 253: struct mdoc_node *n;
1.61 schwarze 254: struct termp *p;
255:
256: p = (struct termp *)arg;
1.71 schwarze 257:
258: p->overstep = 0;
1.180 schwarze 259: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 260: p->tabwidth = term_len(p, 5);
1.55 schwarze 261:
1.180 schwarze 262: n = mdoc_node(mdoc)->child;
1.147 schwarze 263: meta = mdoc_meta(mdoc);
1.55 schwarze 264:
1.180 schwarze 265: if (p->synopsisonly) {
266: while (n != NULL) {
267: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
268: if (n->child->next->child != NULL)
269: print_mdoc_nodelist(p, NULL,
270: meta, n->child->next->child);
271: term_newln(p);
272: break;
273: }
274: n = n->next;
275: }
276: } else {
277: if (p->defindent == 0)
278: p->defindent = 5;
279: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
280: if (n != NULL) {
281: if (n->tok != MDOC_Sh)
282: term_vspace(p);
283: print_mdoc_nodelist(p, NULL, meta, n);
284: }
285: term_end(p);
1.173 schwarze 286: }
1.1 kristaps 287: }
288:
289: static void
1.65 schwarze 290: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 291: {
292:
1.147 schwarze 293: print_mdoc_node(p, pair, meta, n);
1.60 schwarze 294: if (n->next)
1.147 schwarze 295: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 296: }
297:
298: static void
1.65 schwarze 299: print_mdoc_node(DECL_ARGS)
1.1 kristaps 300: {
1.65 schwarze 301: int chld;
1.1 kristaps 302: struct termpair npair;
1.28 schwarze 303: size_t offset, rmargin;
1.1 kristaps 304:
1.54 schwarze 305: chld = 1;
1.28 schwarze 306: offset = p->offset;
307: rmargin = p->rmargin;
1.146 schwarze 308: n->prev_font = term_fontq(p);
1.1 kristaps 309:
1.63 schwarze 310: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 311: npair.ppair = pair;
1.65 schwarze 312:
1.95 schwarze 313: /*
314: * Keeps only work until the end of a line. If a keep was
315: * invoked in a prior line, revert it to PREKEEP.
316: */
317:
1.155 schwarze 318: if (TERMP_KEEP & p->flags) {
1.154 schwarze 319: if (n->prev ? (n->prev->lastline != n->line) :
1.150 schwarze 320: (n->parent && n->parent->line != n->line)) {
1.95 schwarze 321: p->flags &= ~TERMP_KEEP;
322: p->flags |= TERMP_PREKEEP;
323: }
324: }
1.116 schwarze 325:
326: /*
1.128 schwarze 327: * After the keep flags have been set up, we may now
328: * produce output. Note that some pre-handlers do so.
329: */
330:
331: switch (n->type) {
1.166 schwarze 332: case MDOC_TEXT:
1.128 schwarze 333: if (' ' == *n->string && MDOC_LINE & n->flags)
334: term_newln(p);
1.132 schwarze 335: if (MDOC_DELIMC & n->flags)
336: p->flags |= TERMP_NOSPACE;
1.128 schwarze 337: term_word(p, n->string);
1.132 schwarze 338: if (MDOC_DELIMO & n->flags)
339: p->flags |= TERMP_NOSPACE;
1.128 schwarze 340: break;
1.166 schwarze 341: case MDOC_EQN:
1.183 schwarze 342: if ( ! (n->flags & MDOC_LINE))
343: p->flags |= TERMP_NOSPACE;
1.135 schwarze 344: term_eqn(p, n->eqn);
1.185 schwarze 345: if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.184 schwarze 346: p->flags |= TERMP_NOSPACE;
1.131 schwarze 347: break;
1.166 schwarze 348: case MDOC_TBL:
1.128 schwarze 349: term_tbl(p, n->span);
350: break;
351: default:
352: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
353: chld = (*termacts[n->tok].pre)
1.147 schwarze 354: (p, &npair, meta, n);
1.128 schwarze 355: break;
356: }
1.95 schwarze 357:
1.60 schwarze 358: if (chld && n->child)
1.147 schwarze 359: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 360:
1.146 schwarze 361: term_fontpopq(p,
362: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 363:
1.122 schwarze 364: switch (n->type) {
1.166 schwarze 365: case MDOC_TEXT:
1.122 schwarze 366: break;
1.166 schwarze 367: case MDOC_TBL:
1.131 schwarze 368: break;
1.166 schwarze 369: case MDOC_EQN:
1.122 schwarze 370: break;
371: default:
372: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
373: break;
1.147 schwarze 374: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 375:
376: /*
377: * Explicit end tokens not only call the post
378: * handler, but also tell the respective block
379: * that it must not call the post handler again.
380: */
1.95 schwarze 381: if (ENDBODY_NOT != n->end)
1.93 schwarze 382: n->pending->flags |= MDOC_ENDED;
383:
384: /*
385: * End of line terminating an implicit block
386: * while an explicit block is still open.
387: * Continue the explicit block without spacing.
388: */
389: if (ENDBODY_NOSPACE == n->end)
390: p->flags |= TERMP_NOSPACE;
1.122 schwarze 391: break;
1.93 schwarze 392: }
1.28 schwarze 393:
1.78 schwarze 394: if (MDOC_EOS & n->flags)
395: p->flags |= TERMP_SENTENCE;
396:
1.162 schwarze 397: if (MDOC_ll != n->tok) {
398: p->offset = offset;
399: p->rmargin = rmargin;
400: }
1.1 kristaps 401: }
402:
403: static void
1.87 schwarze 404: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 405: {
1.147 schwarze 406: const struct mdoc_meta *meta;
1.87 schwarze 407:
1.147 schwarze 408: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 409:
1.65 schwarze 410: term_fontrepl(p, TERMFONT_NONE);
411:
1.166 schwarze 412: /*
1.7 schwarze 413: * Output the footer in new-groff style, that is, three columns
414: * with the middle being the manual date and flanking columns
415: * being the operating system:
416: *
417: * SYSTEM DATE SYSTEM
418: */
419:
1.1 kristaps 420: term_vspace(p);
421:
1.7 schwarze 422: p->offset = 0;
1.166 schwarze 423: p->rmargin = (p->maxrmargin -
424: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.152 schwarze 425: p->trailspace = 1;
1.1 kristaps 426: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
427:
1.147 schwarze 428: term_word(p, meta->os);
1.1 kristaps 429: term_flushln(p);
430:
1.7 schwarze 431: p->offset = p->rmargin;
1.147 schwarze 432: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.136 schwarze 433: p->flags |= TERMP_NOSPACE;
1.7 schwarze 434:
1.147 schwarze 435: term_word(p, meta->date);
1.7 schwarze 436: term_flushln(p);
437:
1.1 kristaps 438: p->offset = p->rmargin;
439: p->rmargin = p->maxrmargin;
1.152 schwarze 440: p->trailspace = 0;
1.1 kristaps 441: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 442: p->flags |= TERMP_NOSPACE;
1.1 kristaps 443:
1.147 schwarze 444: term_word(p, meta->os);
1.1 kristaps 445: term_flushln(p);
1.7 schwarze 446:
447: p->offset = 0;
448: p->rmargin = p->maxrmargin;
449: p->flags = 0;
1.1 kristaps 450: }
451:
452: static void
1.87 schwarze 453: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 454: {
1.168 schwarze 455: const struct mdoc_meta *meta;
1.169 schwarze 456: char *volume, *title;
457: size_t vollen, titlen;
1.87 schwarze 458:
1.147 schwarze 459: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 460:
461: /*
462: * The header is strange. It has three components, which are
463: * really two with the first duplicated. It goes like this:
464: *
465: * IDENTIFIER TITLE IDENTIFIER
466: *
467: * The IDENTIFIER is NAME(SECTION), which is the command-name
468: * (if given, or "unknown" if not) followed by the manual page
469: * section. These are given in `Dt'. The TITLE is a free-form
470: * string depending on the manual volume. If not specified, it
471: * switches on the manual section.
472: */
1.137 schwarze 473:
1.147 schwarze 474: assert(meta->vol);
1.169 schwarze 475: if (NULL == meta->arch)
476: volume = mandoc_strdup(meta->vol);
477: else
478: mandoc_asprintf(&volume, "%s (%s)",
479: meta->vol, meta->arch);
480: vollen = term_strlen(p, volume);
1.1 kristaps 481:
1.177 schwarze 482: if (NULL == meta->msec)
483: title = mandoc_strdup(meta->title);
484: else
485: mandoc_asprintf(&title, "%s(%s)",
486: meta->title, meta->msec);
1.137 schwarze 487: titlen = term_strlen(p, title);
1.1 kristaps 488:
1.137 schwarze 489: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 490: p->trailspace = 1;
1.1 kristaps 491: p->offset = 0;
1.169 schwarze 492: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
493: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
494: p->maxrmargin - vollen;
1.1 kristaps 495:
496: term_word(p, title);
497: term_flushln(p);
498:
1.137 schwarze 499: p->flags |= TERMP_NOSPACE;
1.1 kristaps 500: p->offset = p->rmargin;
1.169 schwarze 501: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 502: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 503:
1.169 schwarze 504: term_word(p, volume);
1.1 kristaps 505: term_flushln(p);
506:
507: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 508: p->trailspace = 0;
1.137 schwarze 509: if (p->rmargin + titlen <= p->maxrmargin) {
510: p->flags |= TERMP_NOSPACE;
511: p->offset = p->rmargin;
512: p->rmargin = p->maxrmargin;
513: term_word(p, title);
514: term_flushln(p);
515: }
1.1 kristaps 516:
1.137 schwarze 517: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 518: p->offset = 0;
1.1 kristaps 519: p->rmargin = p->maxrmargin;
1.168 schwarze 520: free(title);
1.169 schwarze 521: free(volume);
1.1 kristaps 522: }
523:
524: static size_t
1.89 schwarze 525: a2height(const struct termp *p, const char *v)
1.1 kristaps 526: {
1.61 schwarze 527: struct roffsu su;
1.1 kristaps 528:
1.134 schwarze 529:
1.89 schwarze 530: assert(v);
531: if ( ! a2roffsu(v, &su, SCALE_VS))
1.134 schwarze 532: SCALE_VS_INIT(&su, atoi(v));
1.1 kristaps 533:
1.89 schwarze 534: return(term_vspan(p, &su));
1.61 schwarze 535: }
1.34 schwarze 536:
1.61 schwarze 537: static size_t
1.89 schwarze 538: a2width(const struct termp *p, const char *v)
1.61 schwarze 539: {
540: struct roffsu su;
1.1 kristaps 541:
1.88 schwarze 542: assert(v);
1.182 schwarze 543: if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 544: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 545: su.scale /= term_strlen(p, "0");
546: }
1.1 kristaps 547:
1.89 schwarze 548: return(term_hspan(p, &su));
1.1 kristaps 549: }
550:
551: static size_t
1.89 schwarze 552: a2offs(const struct termp *p, const char *v)
1.1 kristaps 553: {
1.61 schwarze 554: struct roffsu su;
1.1 kristaps 555:
1.88 schwarze 556: if ('\0' == *v)
1.61 schwarze 557: return(0);
1.88 schwarze 558: else if (0 == strcmp(v, "left"))
1.9 schwarze 559: return(0);
1.88 schwarze 560: else if (0 == strcmp(v, "indent"))
1.140 schwarze 561: return(term_len(p, p->defindent + 1));
1.88 schwarze 562: else if (0 == strcmp(v, "indent-two"))
1.140 schwarze 563: return(term_len(p, (p->defindent + 1) * 2));
1.182 schwarze 564: else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.89 schwarze 565: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 566: su.scale /= term_strlen(p, "0");
567: }
1.10 schwarze 568:
1.89 schwarze 569: return(term_hspan(p, &su));
1.1 kristaps 570: }
571:
1.68 schwarze 572: /*
573: * Determine how much space to print out before block elements of `It'
574: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
575: * too.
576: */
1.45 schwarze 577: static void
1.166 schwarze 578: print_bvspace(struct termp *p,
579: const struct mdoc_node *bl,
580: const struct mdoc_node *n)
1.1 kristaps 581: {
1.60 schwarze 582: const struct mdoc_node *nn;
1.138 schwarze 583:
584: assert(n);
1.1 kristaps 585:
586: term_newln(p);
1.88 schwarze 587:
1.121 schwarze 588: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 589: return;
1.121 schwarze 590: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 591: return;
592:
1.60 schwarze 593: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 594:
1.60 schwarze 595: for (nn = n; nn; nn = nn->parent) {
596: if (MDOC_BLOCK != nn->type)
1.1 kristaps 597: continue;
1.60 schwarze 598: if (MDOC_Ss == nn->tok)
1.45 schwarze 599: return;
1.60 schwarze 600: if (MDOC_Sh == nn->tok)
1.45 schwarze 601: return;
1.60 schwarze 602: if (NULL == nn->prev)
1.1 kristaps 603: continue;
604: break;
605: }
606:
1.60 schwarze 607: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 608:
1.121 schwarze 609: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 610: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 611: return;
612:
1.60 schwarze 613: /* A `-diag' without body does not vspace. */
614:
1.121 schwarze 615: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 616: if (n->prev && MDOC_It == n->prev->tok) {
617: assert(n->prev->body);
618: if (NULL == n->prev->body->child)
1.45 schwarze 619: return;
620: }
621:
622: term_vspace(p);
1.162 schwarze 623: }
624:
625:
626: static int
627: termp_ll_pre(DECL_ARGS)
628: {
629:
1.163 schwarze 630: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 631: return(0);
1.1 kristaps 632: }
633:
634: static int
635: termp_it_pre(DECL_ARGS)
636: {
1.60 schwarze 637: const struct mdoc_node *bl, *nn;
1.167 schwarze 638: char buf[24];
1.166 schwarze 639: int i;
640: size_t width, offset, ncols, dcol;
1.82 schwarze 641: enum mdoc_list type;
1.1 kristaps 642:
1.60 schwarze 643: if (MDOC_BLOCK == n->type) {
1.61 schwarze 644: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 645: return(1);
646: }
1.1 kristaps 647:
1.60 schwarze 648: bl = n->parent->parent->parent;
1.121 schwarze 649: type = bl->norm->Bl.type;
1.1 kristaps 650:
1.166 schwarze 651: /*
1.68 schwarze 652: * First calculate width and offset. This is pretty easy unless
653: * we're a -column list, in which case all prior columns must
654: * be accounted for.
655: */
656:
657: width = offset = 0;
658:
1.121 schwarze 659: if (bl->norm->Bl.offs)
660: offset = a2offs(p, bl->norm->Bl.offs);
1.66 schwarze 661:
1.1 kristaps 662: switch (type) {
1.166 schwarze 663: case LIST_column:
1.85 schwarze 664: if (MDOC_HEAD == n->type)
1.1 kristaps 665: break;
1.88 schwarze 666:
1.66 schwarze 667: /*
1.68 schwarze 668: * Imitate groff's column handling:
669: * - For each earlier column, add its width.
670: * - For less than 5 columns, add four more blanks per
671: * column.
672: * - For exactly 5 columns, add three more blank per
673: * column.
674: * - For more than 5 columns, add only one column.
1.66 schwarze 675: */
1.121 schwarze 676: ncols = bl->norm->Bl.ncols;
1.166 schwarze 677: dcol = ncols < 5 ? term_len(p, 4) :
678: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 679:
1.85 schwarze 680: /*
681: * Calculate the offset by applying all prior MDOC_BODY,
682: * so we stop at the MDOC_HEAD (NULL == nn->prev).
683: */
684:
1.166 schwarze 685: for (i = 0, nn = n->prev;
686: nn->prev && i < (int)ncols;
687: nn = nn->prev, i++)
688: offset += dcol + a2width(p,
689: bl->norm->Bl.cols[i]);
1.66 schwarze 690:
691: /*
1.68 schwarze 692: * When exceeding the declared number of columns, leave
693: * the remaining widths at 0. This will later be
694: * adjusted to the default width of 10, or, for the last
695: * column, stretched to the right margin.
1.46 schwarze 696: */
1.68 schwarze 697: if (i >= (int)ncols)
698: break;
1.46 schwarze 699:
1.66 schwarze 700: /*
1.68 schwarze 701: * Use the declared column widths, extended as explained
702: * in the preceding paragraph.
1.66 schwarze 703: */
1.121 schwarze 704: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 705: break;
706: default:
1.121 schwarze 707: if (NULL == bl->norm->Bl.width)
1.68 schwarze 708: break;
709:
1.166 schwarze 710: /*
1.68 schwarze 711: * Note: buffer the width by 2, which is groff's magic
712: * number for buffering single arguments. See the above
713: * handling for column for how this changes.
714: */
1.121 schwarze 715: assert(bl->norm->Bl.width);
716: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 717: break;
718: }
719:
1.166 schwarze 720: /*
1.1 kristaps 721: * List-type can override the width in the case of fixed-head
722: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.53 schwarze 723: * offset.
1.1 kristaps 724: */
725:
726: switch (type) {
1.166 schwarze 727: case LIST_bullet:
1.1 kristaps 728: /* FALLTHROUGH */
1.166 schwarze 729: case LIST_dash:
1.1 kristaps 730: /* FALLTHROUGH */
1.166 schwarze 731: case LIST_hyphen:
1.144 schwarze 732: /* FALLTHROUGH */
1.166 schwarze 733: case LIST_enum:
1.144 schwarze 734: if (width < term_len(p, 2))
735: width = term_len(p, 2);
1.1 kristaps 736: break;
1.166 schwarze 737: case LIST_hang:
1.33 schwarze 738: if (0 == width)
1.89 schwarze 739: width = term_len(p, 8);
1.33 schwarze 740: break;
1.166 schwarze 741: case LIST_column:
1.41 schwarze 742: /* FALLTHROUGH */
1.166 schwarze 743: case LIST_tag:
1.1 kristaps 744: if (0 == width)
1.89 schwarze 745: width = term_len(p, 10);
1.1 kristaps 746: break;
747: default:
748: break;
749: }
750:
1.166 schwarze 751: /*
1.16 schwarze 752: * Whitespace control. Inset bodies need an initial space,
753: * while diagonal bodies need two.
1.1 kristaps 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_BODY == n->type)
1.48 schwarze 761: term_word(p, "\\ \\ ");
1.42 schwarze 762: break;
1.166 schwarze 763: case LIST_inset:
1.172 schwarze 764: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 765: term_word(p, "\\ ");
1.1 kristaps 766: break;
767: default:
768: break;
769: }
770:
1.42 schwarze 771: p->flags |= TERMP_NOSPACE;
772:
1.1 kristaps 773: switch (type) {
1.166 schwarze 774: case LIST_diag:
1.60 schwarze 775: if (MDOC_HEAD == n->type)
1.65 schwarze 776: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 777: break;
778: default:
779: break;
780: }
781:
782: /*
1.68 schwarze 783: * Pad and break control. This is the tricky part. These flags
784: * are documented in term_flushln() in term.c. Note that we're
785: * going to unset all of these flags in termp_it_post() when we
786: * exit.
1.1 kristaps 787: */
788:
789: switch (type) {
1.166 schwarze 790: case LIST_enum:
1.144 schwarze 791: /*
792: * Weird special case.
793: * Very narrow enum lists actually hang.
794: */
795: if (width == term_len(p, 2))
796: p->flags |= TERMP_HANG;
797: /* FALLTHROUGH */
1.166 schwarze 798: case LIST_bullet:
1.1 kristaps 799: /* FALLTHROUGH */
1.166 schwarze 800: case LIST_dash:
1.1 kristaps 801: /* FALLTHROUGH */
1.166 schwarze 802: case LIST_hyphen:
1.152 schwarze 803: if (MDOC_HEAD != n->type)
804: break;
805: p->flags |= TERMP_NOBREAK;
806: p->trailspace = 1;
1.33 schwarze 807: break;
1.166 schwarze 808: case LIST_hang:
1.152 schwarze 809: if (MDOC_HEAD != n->type)
1.47 schwarze 810: break;
811:
812: /*
813: * This is ugly. If `-hang' is specified and the body
814: * is a `Bl' or `Bd', then we want basically to nullify
815: * the "overstep" effect in term_flushln() and treat
816: * this as a `-ohang' list instead.
817: */
1.178 schwarze 818: if (NULL != n->next &&
819: NULL != n->next->child &&
1.166 schwarze 820: (MDOC_Bl == n->next->child->tok ||
821: MDOC_Bd == n->next->child->tok))
1.152 schwarze 822: break;
823:
1.165 schwarze 824: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 825: p->trailspace = 1;
1.33 schwarze 826: break;
1.166 schwarze 827: case LIST_tag:
1.60 schwarze 828: if (MDOC_HEAD != n->type)
1.33 schwarze 829: break;
1.152 schwarze 830:
1.165 schwarze 831: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 832: p->trailspace = 2;
833:
1.60 schwarze 834: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 835: p->flags |= TERMP_DANGLE;
1.1 kristaps 836: break;
1.166 schwarze 837: case LIST_column:
1.85 schwarze 838: if (MDOC_HEAD == n->type)
839: break;
840:
1.152 schwarze 841: if (NULL == n->next) {
1.85 schwarze 842: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 843: p->trailspace = 0;
844: } else {
1.85 schwarze 845: p->flags |= TERMP_NOBREAK;
1.152 schwarze 846: p->trailspace = 1;
847: }
1.85 schwarze 848:
1.1 kristaps 849: break;
1.166 schwarze 850: case LIST_diag:
1.152 schwarze 851: if (MDOC_HEAD != n->type)
852: break;
1.165 schwarze 853: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 854: p->trailspace = 1;
1.1 kristaps 855: break;
856: default:
857: break;
858: }
859:
1.166 schwarze 860: /*
1.1 kristaps 861: * Margin control. Set-head-width lists have their right
862: * margins shortened. The body for these lists has the offset
863: * necessarily lengthened. Everybody gets the offset.
864: */
865:
866: p->offset += offset;
867:
868: switch (type) {
1.166 schwarze 869: case LIST_hang:
1.47 schwarze 870: /*
871: * Same stipulation as above, regarding `-hang'. We
872: * don't want to recalculate rmargin and offsets when
873: * using `Bd' or `Bl' within `-hang' overstep lists.
874: */
1.178 schwarze 875: if (MDOC_HEAD == n->type &&
876: NULL != n->next &&
877: NULL != n->next->child &&
1.166 schwarze 878: (MDOC_Bl == n->next->child->tok ||
879: MDOC_Bd == n->next->child->tok))
1.47 schwarze 880: break;
881: /* FALLTHROUGH */
1.166 schwarze 882: case LIST_bullet:
1.1 kristaps 883: /* FALLTHROUGH */
1.166 schwarze 884: case LIST_dash:
1.1 kristaps 885: /* FALLTHROUGH */
1.166 schwarze 886: case LIST_enum:
1.1 kristaps 887: /* FALLTHROUGH */
1.166 schwarze 888: case LIST_hyphen:
1.33 schwarze 889: /* FALLTHROUGH */
1.166 schwarze 890: case LIST_tag:
1.41 schwarze 891: assert(width);
1.60 schwarze 892: if (MDOC_HEAD == n->type)
1.1 kristaps 893: p->rmargin = p->offset + width;
1.161 schwarze 894: else {
1.1 kristaps 895: p->offset += width;
1.161 schwarze 896: if (p->rmargin < p->offset)
897: p->rmargin = p->offset;
898: }
1.1 kristaps 899: break;
1.166 schwarze 900: case LIST_column:
1.41 schwarze 901: assert(width);
1.1 kristaps 902: p->rmargin = p->offset + width;
1.166 schwarze 903: /*
1.43 schwarze 904: * XXX - this behaviour is not documented: the
905: * right-most column is filled to the right margin.
906: */
1.85 schwarze 907: if (MDOC_HEAD == n->type)
908: break;
909: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 910: p->rmargin = p->maxrmargin;
1.1 kristaps 911: break;
912: default:
913: break;
914: }
915:
1.166 schwarze 916: /*
1.1 kristaps 917: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 918: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 919: */
920:
1.60 schwarze 921: if (MDOC_HEAD == n->type)
1.1 kristaps 922: switch (type) {
1.166 schwarze 923: case LIST_bullet:
1.65 schwarze 924: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 925: term_word(p, "\\[bu]");
1.65 schwarze 926: term_fontpop(p);
1.1 kristaps 927: break;
1.166 schwarze 928: case LIST_dash:
1.1 kristaps 929: /* FALLTHROUGH */
1.166 schwarze 930: case LIST_hyphen:
1.65 schwarze 931: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 932: term_word(p, "\\(hy");
1.65 schwarze 933: term_fontpop(p);
1.1 kristaps 934: break;
1.166 schwarze 935: case LIST_enum:
1.1 kristaps 936: (pair->ppair->ppair->count)++;
1.167 schwarze 937: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 938: pair->ppair->ppair->count);
1.1 kristaps 939: term_word(p, buf);
940: break;
941: default:
942: break;
943: }
1.12 schwarze 944:
1.166 schwarze 945: /*
1.1 kristaps 946: * If we're not going to process our children, indicate so here.
947: */
948:
949: switch (type) {
1.166 schwarze 950: case LIST_bullet:
1.1 kristaps 951: /* FALLTHROUGH */
1.166 schwarze 952: case LIST_item:
1.1 kristaps 953: /* FALLTHROUGH */
1.166 schwarze 954: case LIST_dash:
1.1 kristaps 955: /* FALLTHROUGH */
1.166 schwarze 956: case LIST_hyphen:
1.1 kristaps 957: /* FALLTHROUGH */
1.166 schwarze 958: case LIST_enum:
1.60 schwarze 959: if (MDOC_HEAD == n->type)
1.1 kristaps 960: return(0);
961: break;
1.166 schwarze 962: case LIST_column:
1.85 schwarze 963: if (MDOC_HEAD == n->type)
1.1 kristaps 964: return(0);
965: break;
966: default:
967: break;
968: }
969:
970: return(1);
971: }
972:
973: static void
974: termp_it_post(DECL_ARGS)
975: {
1.82 schwarze 976: enum mdoc_list type;
1.1 kristaps 977:
1.68 schwarze 978: if (MDOC_BLOCK == n->type)
1.1 kristaps 979: return;
980:
1.121 schwarze 981: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 982:
983: switch (type) {
1.166 schwarze 984: case LIST_item:
1.44 schwarze 985: /* FALLTHROUGH */
1.166 schwarze 986: case LIST_diag:
1.1 kristaps 987: /* FALLTHROUGH */
1.166 schwarze 988: case LIST_inset:
1.60 schwarze 989: if (MDOC_BODY == n->type)
1.74 schwarze 990: term_newln(p);
1.1 kristaps 991: break;
1.166 schwarze 992: case LIST_column:
1.85 schwarze 993: if (MDOC_BODY == n->type)
1.1 kristaps 994: term_flushln(p);
995: break;
996: default:
1.74 schwarze 997: term_newln(p);
1.1 kristaps 998: break;
999: }
1000:
1.166 schwarze 1001: /*
1.68 schwarze 1002: * Now that our output is flushed, we can reset our tags. Since
1003: * only `It' sets these flags, we're free to assume that nobody
1004: * has munged them in the meanwhile.
1005: */
1006:
1.165 schwarze 1007: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1008: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 1009: p->trailspace = 0;
1.1 kristaps 1010: }
1011:
1012: static int
1013: termp_nm_pre(DECL_ARGS)
1014: {
1015:
1.155 schwarze 1016: if (MDOC_BLOCK == n->type) {
1017: p->flags |= TERMP_PREKEEP;
1.94 schwarze 1018: return(1);
1.155 schwarze 1019: }
1.94 schwarze 1020:
1021: if (MDOC_BODY == n->type) {
1022: if (NULL == n->child)
1023: return(0);
1.136 schwarze 1024: p->flags |= TERMP_NOSPACE;
1.94 schwarze 1025: p->offset += term_len(p, 1) +
1.147 schwarze 1026: (NULL == n->prev->child ?
1027: term_strlen(p, meta->name) :
1.94 schwarze 1028: MDOC_TEXT == n->prev->child->type ?
1.147 schwarze 1029: term_strlen(p, n->prev->child->string) :
1.94 schwarze 1030: term_len(p, 5));
1.164 schwarze 1031: if (p->rmargin < p->offset)
1032: p->rmargin = p->offset;
1.94 schwarze 1033: return(1);
1034: }
1035:
1.147 schwarze 1036: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1037: return(0);
1.81 schwarze 1038:
1.97 schwarze 1039: if (MDOC_HEAD == n->type)
1040: synopsis_pre(p, n->parent);
1.65 schwarze 1041:
1.178 schwarze 1042: if (MDOC_HEAD == n->type &&
1043: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1044: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1045: p->trailspace = 1;
1.105 schwarze 1046: p->rmargin = p->offset + term_len(p, 1);
1047: if (NULL == n->child) {
1.147 schwarze 1048: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1049: } else if (MDOC_TEXT == n->child->type) {
1050: p->rmargin += term_strlen(p, n->child->string);
1051: if (n->child->next)
1052: p->flags |= TERMP_HANG;
1053: } else {
1054: p->rmargin += term_len(p, 5);
1055: p->flags |= TERMP_HANG;
1056: }
1.94 schwarze 1057: }
1058:
1.65 schwarze 1059: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1060: if (NULL == n->child)
1.147 schwarze 1061: term_word(p, meta->name);
1.1 kristaps 1062: return(1);
1063: }
1064:
1.94 schwarze 1065: static void
1066: termp_nm_post(DECL_ARGS)
1067: {
1068:
1.155 schwarze 1069: if (MDOC_BLOCK == n->type) {
1070: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1071: } else if (MDOC_HEAD == n->type &&
1072: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1073: term_flushln(p);
1.165 schwarze 1074: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1075: p->trailspace = 0;
1.136 schwarze 1076: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1077: term_flushln(p);
1078: }
1079:
1.1 kristaps 1080: static int
1081: termp_fl_pre(DECL_ARGS)
1082: {
1083:
1.65 schwarze 1084: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1085: term_word(p, "\\-");
1.67 schwarze 1086:
1.179 schwarze 1087: if ( ! (n->nchild == 0 &&
1088: (n->next == NULL ||
1089: n->next->type == MDOC_TEXT ||
1090: n->next->flags & MDOC_LINE)))
1.73 schwarze 1091: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1092:
1.1 kristaps 1093: return(1);
1.49 schwarze 1094: }
1095:
1096: static int
1.104 schwarze 1097: termp__a_pre(DECL_ARGS)
1098: {
1099:
1100: if (n->prev && MDOC__A == n->prev->tok)
1101: if (NULL == n->next || MDOC__A != n->next->tok)
1102: term_word(p, "and");
1103:
1104: return(1);
1105: }
1106:
1107: static int
1.49 schwarze 1108: termp_an_pre(DECL_ARGS)
1109: {
1110:
1.181 schwarze 1111: if (n->norm->An.auth == AUTH_split) {
1112: p->flags &= ~TERMP_NOSPLIT;
1113: p->flags |= TERMP_SPLIT;
1114: return(0);
1115: }
1116: if (n->norm->An.auth == AUTH_nosplit) {
1117: p->flags &= ~TERMP_SPLIT;
1118: p->flags |= TERMP_NOSPLIT;
1119: return(0);
1120: }
1.49 schwarze 1121:
1.181 schwarze 1122: if (n->child == NULL)
1123: return(0);
1.166 schwarze 1124:
1.181 schwarze 1125: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1126: term_newln(p);
1127:
1.181 schwarze 1128: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1129: p->flags |= TERMP_SPLIT;
1.49 schwarze 1130:
1131: return(1);
1.1 kristaps 1132: }
1133:
1134: static int
1135: termp_ns_pre(DECL_ARGS)
1136: {
1137:
1.127 schwarze 1138: if ( ! (MDOC_LINE & n->flags))
1139: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1140: return(1);
1141: }
1142:
1143: static int
1144: termp_rs_pre(DECL_ARGS)
1145: {
1146:
1.60 schwarze 1147: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1148: return(1);
1.60 schwarze 1149: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1150: term_vspace(p);
1151: return(1);
1152: }
1153:
1154: static int
1155: termp_rv_pre(DECL_ARGS)
1156: {
1.132 schwarze 1157: int nchild;
1.1 kristaps 1158:
1159: term_newln(p);
1160:
1.132 schwarze 1161: nchild = n->nchild;
1.175 schwarze 1162: if (nchild > 0) {
1163: term_word(p, "The");
1.132 schwarze 1164:
1.175 schwarze 1165: for (n = n->child; n; n = n->next) {
1166: term_fontpush(p, TERMFONT_BOLD);
1167: term_word(p, n->string);
1168: term_fontpop(p);
1.132 schwarze 1169:
1170: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1171: term_word(p, "()");
1172:
1173: if (n->next == NULL)
1174: continue;
1175:
1176: if (nchild > 2) {
1177: p->flags |= TERMP_NOSPACE;
1178: term_word(p, ",");
1179: }
1180: if (n->next->next == NULL)
1181: term_word(p, "and");
1.132 schwarze 1182: }
1183:
1.175 schwarze 1184: if (nchild > 1)
1185: term_word(p, "functions return");
1186: else
1187: term_word(p, "function returns");
1188:
1189: term_word(p, "the value\\~0 if successful;");
1190: } else
1191: term_word(p, "Upon successful completion,"
1192: " the value\\~0 is returned;");
1.1 kristaps 1193:
1.175 schwarze 1194: term_word(p, "otherwise the value\\~\\-1 is returned"
1195: " and the global variable");
1.1 kristaps 1196:
1.65 schwarze 1197: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1198: term_word(p, "errno");
1.65 schwarze 1199: term_fontpop(p);
1.1 kristaps 1200:
1.166 schwarze 1201: term_word(p, "is set to indicate the error.");
1.84 schwarze 1202: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1203:
1.53 schwarze 1204: return(0);
1.1 kristaps 1205: }
1206:
1207: static int
1208: termp_ex_pre(DECL_ARGS)
1209: {
1.132 schwarze 1210: int nchild;
1.1 kristaps 1211:
1.132 schwarze 1212: term_newln(p);
1.53 schwarze 1213: term_word(p, "The");
1.1 kristaps 1214:
1.132 schwarze 1215: nchild = n->nchild;
1216: for (n = n->child; n; n = n->next) {
1.65 schwarze 1217: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1218: term_word(p, n->string);
1.65 schwarze 1219: term_fontpop(p);
1.132 schwarze 1220:
1221: if (nchild > 2 && n->next) {
1222: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1223: term_word(p, ",");
1.132 schwarze 1224: }
1225:
1226: if (n->next && NULL == n->next->next)
1227: term_word(p, "and");
1.53 schwarze 1228: }
1229:
1.132 schwarze 1230: if (nchild > 1)
1.175 schwarze 1231: term_word(p, "utilities exit\\~0");
1.53 schwarze 1232: else
1.175 schwarze 1233: term_word(p, "utility exits\\~0");
1.53 schwarze 1234:
1.175 schwarze 1235: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1236:
1.84 schwarze 1237: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1238: return(0);
1.1 kristaps 1239: }
1240:
1241: static int
1242: termp_nd_pre(DECL_ARGS)
1243: {
1.25 schwarze 1244:
1.60 schwarze 1245: if (MDOC_BODY != n->type)
1.25 schwarze 1246: return(1);
1247:
1248: #if defined(__OpenBSD__) || defined(__linux__)
1249: term_word(p, "\\(en");
1.24 schwarze 1250: #else
1251: term_word(p, "\\(em");
1252: #endif
1.1 kristaps 1253: return(1);
1254: }
1255:
1.73 schwarze 1256: static int
1257: termp_bl_pre(DECL_ARGS)
1258: {
1259:
1260: return(MDOC_HEAD != n->type);
1261: }
1262:
1.1 kristaps 1263: static void
1264: termp_bl_post(DECL_ARGS)
1265: {
1266:
1.60 schwarze 1267: if (MDOC_BLOCK == n->type)
1.1 kristaps 1268: term_newln(p);
1269: }
1270:
1271: static int
1272: termp_xr_pre(DECL_ARGS)
1273: {
1274:
1.132 schwarze 1275: if (NULL == (n = n->child))
1.72 schwarze 1276: return(0);
1277:
1.132 schwarze 1278: assert(MDOC_TEXT == n->type);
1279: term_word(p, n->string);
1.10 schwarze 1280:
1.166 schwarze 1281: if (NULL == (n = n->next))
1.1 kristaps 1282: return(0);
1.132 schwarze 1283:
1.1 kristaps 1284: p->flags |= TERMP_NOSPACE;
1285: term_word(p, "(");
1.132 schwarze 1286: p->flags |= TERMP_NOSPACE;
1287:
1288: assert(MDOC_TEXT == n->type);
1289: term_word(p, n->string);
1290:
1291: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1292: term_word(p, ")");
1.60 schwarze 1293:
1.1 kristaps 1294: return(0);
1295: }
1296:
1.86 schwarze 1297: /*
1298: * This decides how to assert whitespace before any of the SYNOPSIS set
1299: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1300: * macro combos).
1301: */
1302: static void
1303: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1304: {
1.166 schwarze 1305: /*
1.86 schwarze 1306: * Obviously, if we're not in a SYNOPSIS or no prior macros
1307: * exist, do nothing.
1308: */
1.92 schwarze 1309: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1310: return;
1311:
1312: /*
1313: * If we're the second in a pair of like elements, emit our
1314: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1315: * case we soldier on.
1316: */
1.166 schwarze 1317: if (n->prev->tok == n->tok &&
1318: MDOC_Ft != n->tok &&
1319: MDOC_Fo != n->tok &&
1320: MDOC_Fn != n->tok) {
1.86 schwarze 1321: term_newln(p);
1322: return;
1323: }
1324:
1325: /*
1326: * If we're one of the SYNOPSIS set and non-like pair-wise after
1327: * another (or Fn/Fo, which we've let slip through) then assert
1328: * vertical space, else only newline and move on.
1329: */
1330: switch (n->prev->tok) {
1.166 schwarze 1331: case MDOC_Fd:
1.86 schwarze 1332: /* FALLTHROUGH */
1.166 schwarze 1333: case MDOC_Fn:
1.86 schwarze 1334: /* FALLTHROUGH */
1.166 schwarze 1335: case MDOC_Fo:
1.86 schwarze 1336: /* FALLTHROUGH */
1.166 schwarze 1337: case MDOC_In:
1.86 schwarze 1338: /* FALLTHROUGH */
1.166 schwarze 1339: case MDOC_Vt:
1.86 schwarze 1340: term_vspace(p);
1341: break;
1.166 schwarze 1342: case MDOC_Ft:
1.86 schwarze 1343: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1344: term_vspace(p);
1345: break;
1346: }
1347: /* FALLTHROUGH */
1348: default:
1349: term_newln(p);
1350: break;
1351: }
1352: }
1353:
1.69 schwarze 1354: static int
1355: termp_vt_pre(DECL_ARGS)
1356: {
1357:
1.86 schwarze 1358: if (MDOC_ELEM == n->type) {
1359: synopsis_pre(p, n);
1.147 schwarze 1360: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1361: } else if (MDOC_BLOCK == n->type) {
1362: synopsis_pre(p, n);
1363: return(1);
1364: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1365: return(0);
1366:
1.147 schwarze 1367: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1368: }
1369:
1.1 kristaps 1370: static int
1.54 schwarze 1371: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1372: {
1373:
1.65 schwarze 1374: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1375: return(1);
1376: }
1377:
1.86 schwarze 1378: static int
1379: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1380: {
1381:
1.86 schwarze 1382: synopsis_pre(p, n);
1.147 schwarze 1383: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1384: }
1385:
1.143 schwarze 1386: static void
1387: termp_fd_post(DECL_ARGS)
1388: {
1389:
1390: term_newln(p);
1391: }
1392:
1.1 kristaps 1393: static int
1394: termp_sh_pre(DECL_ARGS)
1395: {
1.60 schwarze 1396:
1397: /* No vspace between consecutive `Sh' calls. */
1398:
1399: switch (n->type) {
1.166 schwarze 1400: case MDOC_BLOCK:
1.60 schwarze 1401: if (n->prev && MDOC_Sh == n->prev->tok)
1402: if (NULL == n->prev->body->child)
1.52 schwarze 1403: break;
1404: term_vspace(p);
1405: break;
1.166 schwarze 1406: case MDOC_HEAD:
1.65 schwarze 1407: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1408: break;
1.166 schwarze 1409: case MDOC_BODY:
1.140 schwarze 1410: p->offset = term_len(p, p->defindent);
1.141 schwarze 1411: if (SEC_AUTHORS == n->sec)
1412: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1413: break;
1414: default:
1415: break;
1416: }
1417: return(1);
1418: }
1419:
1420: static void
1421: termp_sh_post(DECL_ARGS)
1422: {
1423:
1.60 schwarze 1424: switch (n->type) {
1.166 schwarze 1425: case MDOC_HEAD:
1.1 kristaps 1426: term_newln(p);
1427: break;
1.166 schwarze 1428: case MDOC_BODY:
1.1 kristaps 1429: term_newln(p);
1430: p->offset = 0;
1431: break;
1432: default:
1433: break;
1434: }
1435: }
1436:
1437: static int
1438: termp_bt_pre(DECL_ARGS)
1439: {
1440:
1441: term_word(p, "is currently in beta test.");
1.84 schwarze 1442: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1443: return(0);
1.1 kristaps 1444: }
1445:
1446: static void
1447: termp_lb_post(DECL_ARGS)
1448: {
1449:
1.77 schwarze 1450: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1451: term_newln(p);
1.1 kristaps 1452: }
1453:
1454: static int
1455: termp_ud_pre(DECL_ARGS)
1456: {
1457:
1458: term_word(p, "currently under development.");
1.84 schwarze 1459: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1460: return(0);
1.1 kristaps 1461: }
1462:
1463: static int
1464: termp_d1_pre(DECL_ARGS)
1465: {
1466:
1.60 schwarze 1467: if (MDOC_BLOCK != n->type)
1.1 kristaps 1468: return(1);
1469: term_newln(p);
1.140 schwarze 1470: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1471: return(1);
1472: }
1473:
1474: static int
1475: termp_ft_pre(DECL_ARGS)
1476: {
1477:
1.85 schwarze 1478: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1479: synopsis_pre(p, n);
1.65 schwarze 1480: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1481: return(1);
1482: }
1483:
1484: static int
1485: termp_fn_pre(DECL_ARGS)
1486: {
1.159 schwarze 1487: size_t rmargin = 0;
1.132 schwarze 1488: int pretty;
1489:
1490: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1491:
1.86 schwarze 1492: synopsis_pre(p, n);
1.85 schwarze 1493:
1.132 schwarze 1494: if (NULL == (n = n->child))
1495: return(0);
1496:
1.153 schwarze 1497: if (pretty) {
1498: rmargin = p->rmargin;
1.159 schwarze 1499: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1500: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1501: }
1502:
1.132 schwarze 1503: assert(MDOC_TEXT == n->type);
1.65 schwarze 1504: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1505: term_word(p, n->string);
1.65 schwarze 1506: term_fontpop(p);
1.1 kristaps 1507:
1.153 schwarze 1508: if (pretty) {
1509: term_flushln(p);
1.165 schwarze 1510: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1511: p->offset = p->rmargin;
1512: p->rmargin = rmargin;
1513: }
1514:
1.1 kristaps 1515: p->flags |= TERMP_NOSPACE;
1516: term_word(p, "(");
1.132 schwarze 1517: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1518:
1.132 schwarze 1519: for (n = n->next; n; n = n->next) {
1520: assert(MDOC_TEXT == n->type);
1.65 schwarze 1521: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1522: if (pretty)
1523: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1524: term_word(p, n->string);
1.65 schwarze 1525: term_fontpop(p);
1526:
1.132 schwarze 1527: if (n->next) {
1528: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1529: term_word(p, ",");
1.132 schwarze 1530: }
1.1 kristaps 1531: }
1532:
1.132 schwarze 1533: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1534: term_word(p, ")");
1535:
1.132 schwarze 1536: if (pretty) {
1537: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1538: term_word(p, ";");
1.153 schwarze 1539: term_flushln(p);
1.132 schwarze 1540: }
1.1 kristaps 1541:
1542: return(0);
1543: }
1544:
1545: static int
1546: termp_fa_pre(DECL_ARGS)
1547: {
1.60 schwarze 1548: const struct mdoc_node *nn;
1.1 kristaps 1549:
1.60 schwarze 1550: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1551: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1552: return(1);
1553: }
1554:
1.60 schwarze 1555: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1556: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1557: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1558: term_word(p, nn->string);
1.65 schwarze 1559: term_fontpop(p);
1560:
1.158 schwarze 1561: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1562: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1563: term_word(p, ",");
1.132 schwarze 1564: }
1.1 kristaps 1565: }
1566:
1567: return(0);
1568: }
1569:
1570: static int
1571: termp_bd_pre(DECL_ARGS)
1572: {
1.174 schwarze 1573: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1574: struct mdoc_node *nn;
1.1 kristaps 1575:
1.60 schwarze 1576: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1577: print_bvspace(p, n, n);
1.45 schwarze 1578: return(1);
1.73 schwarze 1579: } else if (MDOC_HEAD == n->type)
1580: return(0);
1.1 kristaps 1581:
1.121 schwarze 1582: if (n->norm->Bd.offs)
1583: p->offset += a2offs(p, n->norm->Bd.offs);
1.60 schwarze 1584:
1585: /*
1586: * If -ragged or -filled are specified, the block does nothing
1587: * but change the indentation. If -unfilled or -literal are
1588: * specified, text is printed exactly as entered in the display:
1589: * for macro lines, a newline is appended to the line. Blank
1590: * lines are allowed.
1591: */
1.166 schwarze 1592:
1593: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1594: DISP_unfilled != n->norm->Bd.type &&
1595: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1596: return(1);
1597:
1.75 schwarze 1598: tabwidth = p->tabwidth;
1.123 schwarze 1599: if (DISP_literal == n->norm->Bd.type)
1600: p->tabwidth = term_len(p, 8);
1601:
1.174 schwarze 1602: lm = p->offset;
1.77 schwarze 1603: rm = p->rmargin;
1604: rmax = p->maxrmargin;
1605: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1606:
1.60 schwarze 1607: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1608: if (DISP_centered == n->norm->Bd.type) {
1609: if (MDOC_TEXT == nn->type) {
1610: len = term_strlen(p, nn->string);
1611: p->offset = len >= rm ? 0 :
1612: lm + len >= rm ? rm - len :
1613: (lm + rm - len) / 2;
1614: } else
1615: p->offset = lm;
1616: }
1.147 schwarze 1617: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1618: /*
1619: * If the printed node flushes its own line, then we
1620: * needn't do it here as well. This is hacky, but the
1621: * notion of selective eoln whitespace is pretty dumb
1622: * anyway, so don't sweat it.
1623: */
1624: switch (nn->tok) {
1.166 schwarze 1625: case MDOC_Sm:
1.112 schwarze 1626: /* FALLTHROUGH */
1.166 schwarze 1627: case MDOC_br:
1.108 schwarze 1628: /* FALLTHROUGH */
1.166 schwarze 1629: case MDOC_sp:
1.108 schwarze 1630: /* FALLTHROUGH */
1.166 schwarze 1631: case MDOC_Bl:
1.115 schwarze 1632: /* FALLTHROUGH */
1.166 schwarze 1633: case MDOC_D1:
1.115 schwarze 1634: /* FALLTHROUGH */
1.166 schwarze 1635: case MDOC_Dl:
1.108 schwarze 1636: /* FALLTHROUGH */
1.166 schwarze 1637: case MDOC_Lp:
1.108 schwarze 1638: /* FALLTHROUGH */
1.166 schwarze 1639: case MDOC_Pp:
1.108 schwarze 1640: continue;
1641: default:
1642: break;
1643: }
1.100 schwarze 1644: if (nn->next && nn->next->line == nn->line)
1645: continue;
1646: term_flushln(p);
1.48 schwarze 1647: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1648: }
1.88 schwarze 1649:
1.75 schwarze 1650: p->tabwidth = tabwidth;
1.77 schwarze 1651: p->rmargin = rm;
1652: p->maxrmargin = rmax;
1.1 kristaps 1653: return(0);
1654: }
1655:
1656: static void
1657: termp_bd_post(DECL_ARGS)
1658: {
1.77 schwarze 1659: size_t rm, rmax;
1.1 kristaps 1660:
1.166 schwarze 1661: if (MDOC_BODY != n->type)
1.1 kristaps 1662: return;
1.77 schwarze 1663:
1664: rm = p->rmargin;
1665: rmax = p->maxrmargin;
1666:
1.166 schwarze 1667: if (DISP_literal == n->norm->Bd.type ||
1668: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1669: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1670:
1.48 schwarze 1671: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1672: term_newln(p);
1.77 schwarze 1673:
1674: p->rmargin = rm;
1675: p->maxrmargin = rmax;
1.1 kristaps 1676: }
1677:
1.126 schwarze 1678: static int
1679: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1680: {
1681:
1.126 schwarze 1682: if (NULL != (n = n->child)) {
1683: term_word(p, n->string);
1684: p->flags |= TERMP_NOSPACE;
1685: term_word(p, "BSD");
1686: } else {
1687: term_word(p, "BSD");
1688: return(0);
1689: }
1690:
1691: if (NULL != (n = n->next)) {
1692: p->flags |= TERMP_NOSPACE;
1693: term_word(p, "-");
1.1 kristaps 1694: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1695: term_word(p, n->string);
1696: }
1697:
1698: return(0);
1.1 kristaps 1699: }
1700:
1701: static int
1.26 schwarze 1702: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1703: {
1.26 schwarze 1704: const char *pp;
1.129 schwarze 1705: int flags;
1.1 kristaps 1706:
1.26 schwarze 1707: pp = NULL;
1.60 schwarze 1708: switch (n->tok) {
1.166 schwarze 1709: case MDOC_Bsx:
1.113 schwarze 1710: pp = "BSD/OS";
1.26 schwarze 1711: break;
1.166 schwarze 1712: case MDOC_Dx:
1.64 schwarze 1713: pp = "DragonFly";
1.26 schwarze 1714: break;
1.166 schwarze 1715: case MDOC_Fx:
1.26 schwarze 1716: pp = "FreeBSD";
1717: break;
1.166 schwarze 1718: case MDOC_Nx:
1.26 schwarze 1719: pp = "NetBSD";
1720: break;
1.166 schwarze 1721: case MDOC_Ox:
1.26 schwarze 1722: pp = "OpenBSD";
1723: break;
1.166 schwarze 1724: case MDOC_Ux:
1.26 schwarze 1725: pp = "UNIX";
1726: break;
1727: default:
1.148 schwarze 1728: abort();
1729: /* NOTREACHED */
1.26 schwarze 1730: }
1.1 kristaps 1731:
1.26 schwarze 1732: term_word(p, pp);
1.129 schwarze 1733: if (n->child) {
1734: flags = p->flags;
1735: p->flags |= TERMP_KEEP;
1736: term_word(p, n->child->string);
1737: p->flags = flags;
1738: }
1739: return(0);
1.1 kristaps 1740: }
1741:
1742: static void
1743: termp_pf_post(DECL_ARGS)
1744: {
1745:
1746: p->flags |= TERMP_NOSPACE;
1747: }
1748:
1749: static int
1750: termp_ss_pre(DECL_ARGS)
1751: {
1752:
1.60 schwarze 1753: switch (n->type) {
1.166 schwarze 1754: case MDOC_BLOCK:
1.1 kristaps 1755: term_newln(p);
1.60 schwarze 1756: if (n->prev)
1.1 kristaps 1757: term_vspace(p);
1758: break;
1.166 schwarze 1759: case MDOC_HEAD:
1.65 schwarze 1760: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1761: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1762: break;
1.176 schwarze 1763: case MDOC_BODY:
1764: p->offset = term_len(p, p->defindent);
1765: break;
1.1 kristaps 1766: default:
1767: break;
1768: }
1769:
1770: return(1);
1771: }
1772:
1773: static void
1774: termp_ss_post(DECL_ARGS)
1775: {
1776:
1.176 schwarze 1777: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1778: term_newln(p);
1779: }
1780:
1781: static int
1782: termp_cd_pre(DECL_ARGS)
1783: {
1784:
1.86 schwarze 1785: synopsis_pre(p, n);
1.65 schwarze 1786: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1787: return(1);
1788: }
1789:
1790: static int
1791: termp_in_pre(DECL_ARGS)
1792: {
1793:
1.86 schwarze 1794: synopsis_pre(p, n);
1.85 schwarze 1795:
1.92 schwarze 1796: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1797: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1798: term_word(p, "#include");
1.85 schwarze 1799: term_word(p, "<");
1800: } else {
1801: term_word(p, "<");
1802: term_fontpush(p, TERMFONT_UNDER);
1803: }
1.23 schwarze 1804:
1.1 kristaps 1805: p->flags |= TERMP_NOSPACE;
1806: return(1);
1807: }
1808:
1809: static void
1810: termp_in_post(DECL_ARGS)
1811: {
1812:
1.92 schwarze 1813: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1814: term_fontpush(p, TERMFONT_BOLD);
1815:
1.59 schwarze 1816: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1817: term_word(p, ">");
1818:
1.92 schwarze 1819: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1820: term_fontpop(p);
1.38 schwarze 1821: }
1822:
1823: static int
1824: termp_sp_pre(DECL_ARGS)
1825: {
1.61 schwarze 1826: size_t i, len;
1.38 schwarze 1827:
1.60 schwarze 1828: switch (n->tok) {
1.166 schwarze 1829: case MDOC_sp:
1.89 schwarze 1830: len = n->child ? a2height(p, n->child->string) : 1;
1.54 schwarze 1831: break;
1.166 schwarze 1832: case MDOC_br:
1.54 schwarze 1833: len = 0;
1834: break;
1835: default:
1836: len = 1;
1837: break;
1.38 schwarze 1838: }
1839:
1840: if (0 == len)
1841: term_newln(p);
1842: for (i = 0; i < len; i++)
1843: term_vspace(p);
1844:
1845: return(0);
1846: }
1847:
1848: static int
1.170 schwarze 1849: termp_es_pre(DECL_ARGS)
1850: {
1851:
1852: return(0);
1853: }
1854:
1855: static int
1.107 schwarze 1856: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1857: {
1858:
1.120 schwarze 1859: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1860: return(1);
1861:
1.107 schwarze 1862: switch (n->tok) {
1.166 schwarze 1863: case MDOC_Ao:
1.107 schwarze 1864: /* FALLTHROUGH */
1.166 schwarze 1865: case MDOC_Aq:
1.107 schwarze 1866: term_word(p, "<");
1867: break;
1.166 schwarze 1868: case MDOC_Bro:
1.107 schwarze 1869: /* FALLTHROUGH */
1.166 schwarze 1870: case MDOC_Brq:
1.107 schwarze 1871: term_word(p, "{");
1872: break;
1.166 schwarze 1873: case MDOC_Oo:
1.107 schwarze 1874: /* FALLTHROUGH */
1.166 schwarze 1875: case MDOC_Op:
1.107 schwarze 1876: /* FALLTHROUGH */
1.166 schwarze 1877: case MDOC_Bo:
1.107 schwarze 1878: /* FALLTHROUGH */
1.166 schwarze 1879: case MDOC_Bq:
1.107 schwarze 1880: term_word(p, "[");
1881: break;
1.166 schwarze 1882: case MDOC_Do:
1.107 schwarze 1883: /* FALLTHROUGH */
1.166 schwarze 1884: case MDOC_Dq:
1.151 schwarze 1885: term_word(p, "\\(lq");
1.107 schwarze 1886: break;
1.170 schwarze 1887: case MDOC_En:
1888: if (NULL == n->norm->Es ||
1889: NULL == n->norm->Es->child)
1890: return(1);
1891: term_word(p, n->norm->Es->child->string);
1892: break;
1.166 schwarze 1893: case MDOC_Eo:
1.139 schwarze 1894: break;
1.166 schwarze 1895: case MDOC_Po:
1.107 schwarze 1896: /* FALLTHROUGH */
1.166 schwarze 1897: case MDOC_Pq:
1.107 schwarze 1898: term_word(p, "(");
1899: break;
1.166 schwarze 1900: case MDOC__T:
1.120 schwarze 1901: /* FALLTHROUGH */
1.166 schwarze 1902: case MDOC_Qo:
1.107 schwarze 1903: /* FALLTHROUGH */
1.166 schwarze 1904: case MDOC_Qq:
1.107 schwarze 1905: term_word(p, "\"");
1906: break;
1.166 schwarze 1907: case MDOC_Ql:
1.107 schwarze 1908: /* FALLTHROUGH */
1.166 schwarze 1909: case MDOC_So:
1.107 schwarze 1910: /* FALLTHROUGH */
1.166 schwarze 1911: case MDOC_Sq:
1.151 schwarze 1912: term_word(p, "\\(oq");
1.107 schwarze 1913: break;
1914: default:
1915: abort();
1916: /* NOTREACHED */
1917: }
1.1 kristaps 1918:
1919: p->flags |= TERMP_NOSPACE;
1920: return(1);
1921: }
1922:
1923: static void
1.107 schwarze 1924: termp_quote_post(DECL_ARGS)
1.1 kristaps 1925: {
1926:
1.120 schwarze 1927: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1928: return;
1929:
1.170 schwarze 1930: if (MDOC_En != n->tok)
1931: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1932:
1.107 schwarze 1933: switch (n->tok) {
1.166 schwarze 1934: case MDOC_Ao:
1.107 schwarze 1935: /* FALLTHROUGH */
1.166 schwarze 1936: case MDOC_Aq:
1.107 schwarze 1937: term_word(p, ">");
1938: break;
1.166 schwarze 1939: case MDOC_Bro:
1.107 schwarze 1940: /* FALLTHROUGH */
1.166 schwarze 1941: case MDOC_Brq:
1.107 schwarze 1942: term_word(p, "}");
1943: break;
1.166 schwarze 1944: case MDOC_Oo:
1.107 schwarze 1945: /* FALLTHROUGH */
1.166 schwarze 1946: case MDOC_Op:
1.107 schwarze 1947: /* FALLTHROUGH */
1.166 schwarze 1948: case MDOC_Bo:
1.107 schwarze 1949: /* FALLTHROUGH */
1.166 schwarze 1950: case MDOC_Bq:
1.107 schwarze 1951: term_word(p, "]");
1952: break;
1.166 schwarze 1953: case MDOC_Do:
1.107 schwarze 1954: /* FALLTHROUGH */
1.166 schwarze 1955: case MDOC_Dq:
1.151 schwarze 1956: term_word(p, "\\(rq");
1.170 schwarze 1957: break;
1958: case MDOC_En:
1959: if (NULL != n->norm->Es &&
1960: NULL != n->norm->Es->child &&
1961: NULL != n->norm->Es->child->next) {
1962: p->flags |= TERMP_NOSPACE;
1963: term_word(p, n->norm->Es->child->next->string);
1964: }
1.139 schwarze 1965: break;
1.166 schwarze 1966: case MDOC_Eo:
1.107 schwarze 1967: break;
1.166 schwarze 1968: case MDOC_Po:
1.107 schwarze 1969: /* FALLTHROUGH */
1.166 schwarze 1970: case MDOC_Pq:
1.107 schwarze 1971: term_word(p, ")");
1972: break;
1.166 schwarze 1973: case MDOC__T:
1.120 schwarze 1974: /* FALLTHROUGH */
1.166 schwarze 1975: case MDOC_Qo:
1.107 schwarze 1976: /* FALLTHROUGH */
1.166 schwarze 1977: case MDOC_Qq:
1.107 schwarze 1978: term_word(p, "\"");
1979: break;
1.166 schwarze 1980: case MDOC_Ql:
1.107 schwarze 1981: /* FALLTHROUGH */
1.166 schwarze 1982: case MDOC_So:
1.107 schwarze 1983: /* FALLTHROUGH */
1.166 schwarze 1984: case MDOC_Sq:
1.151 schwarze 1985: term_word(p, "\\(cq");
1.107 schwarze 1986: break;
1987: default:
1988: abort();
1989: /* NOTREACHED */
1990: }
1.1 kristaps 1991: }
1992:
1993: static int
1994: termp_fo_pre(DECL_ARGS)
1995: {
1.159 schwarze 1996: size_t rmargin = 0;
1.158 schwarze 1997: int pretty;
1998:
1999: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2000:
1.85 schwarze 2001: if (MDOC_BLOCK == n->type) {
1.86 schwarze 2002: synopsis_pre(p, n);
1.85 schwarze 2003: return(1);
2004: } else if (MDOC_BODY == n->type) {
1.158 schwarze 2005: if (pretty) {
2006: rmargin = p->rmargin;
1.159 schwarze 2007: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2008: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2009: TERMP_HANG;
1.158 schwarze 2010: }
1.31 schwarze 2011: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2012: term_word(p, "(");
1.132 schwarze 2013: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2014: if (pretty) {
2015: term_flushln(p);
1.165 schwarze 2016: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2017: TERMP_HANG);
1.158 schwarze 2018: p->offset = p->rmargin;
2019: p->rmargin = rmargin;
2020: }
1.1 kristaps 2021: return(1);
1.158 schwarze 2022: }
1.85 schwarze 2023:
1.95 schwarze 2024: if (NULL == n->child)
2025: return(0);
2026:
1.85 schwarze 2027: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2028:
1.85 schwarze 2029: assert(n->child->string);
1.65 schwarze 2030: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2031: term_word(p, n->child->string);
1.1 kristaps 2032: return(0);
2033: }
2034:
2035: static void
2036: termp_fo_post(DECL_ARGS)
2037: {
2038:
1.166 schwarze 2039: if (MDOC_BODY != n->type)
1.86 schwarze 2040: return;
2041:
1.132 schwarze 2042: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2043: term_word(p, ")");
2044:
1.132 schwarze 2045: if (MDOC_SYNPRETTY & n->flags) {
2046: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2047: term_word(p, ";");
1.158 schwarze 2048: term_flushln(p);
1.132 schwarze 2049: }
1.1 kristaps 2050: }
2051:
2052: static int
2053: termp_bf_pre(DECL_ARGS)
2054: {
2055:
1.60 schwarze 2056: if (MDOC_HEAD == n->type)
1.1 kristaps 2057: return(0);
1.146 schwarze 2058: else if (MDOC_BODY != n->type)
1.1 kristaps 2059: return(1);
2060:
1.166 schwarze 2061: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2062: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2063: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2064: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2065: else
1.65 schwarze 2066: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2067:
2068: return(1);
2069: }
2070:
2071: static int
2072: termp_sm_pre(DECL_ARGS)
2073: {
2074:
1.171 schwarze 2075: if (NULL == n->child)
2076: p->flags ^= TERMP_NONOSPACE;
2077: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2078: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2079: else
1.1 kristaps 2080: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2081:
2082: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2083: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2084:
2085: return(0);
2086: }
2087:
2088: static int
2089: termp_ap_pre(DECL_ARGS)
2090: {
2091:
2092: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2093: term_word(p, "'");
1.1 kristaps 2094: p->flags |= TERMP_NOSPACE;
2095: return(1);
2096: }
2097:
2098: static void
2099: termp____post(DECL_ARGS)
2100: {
1.104 schwarze 2101:
2102: /*
2103: * Handle lists of authors. In general, print each followed by
2104: * a comma. Don't print the comma if there are only two
2105: * authors.
2106: */
2107: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2108: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2109: if (NULL == n->prev || MDOC__A != n->prev->tok)
2110: return;
1.1 kristaps 2111:
1.62 schwarze 2112: /* TODO: %U. */
2113:
1.106 schwarze 2114: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2115: return;
2116:
1.132 schwarze 2117: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2118: if (NULL == n->next) {
2119: term_word(p, ".");
2120: p->flags |= TERMP_SENTENCE;
2121: } else
2122: term_word(p, ",");
1.1 kristaps 2123: }
2124:
2125: static int
1.65 schwarze 2126: termp_li_pre(DECL_ARGS)
2127: {
2128:
2129: term_fontpush(p, TERMFONT_NONE);
2130: return(1);
2131: }
2132:
2133: static int
1.1 kristaps 2134: termp_lk_pre(DECL_ARGS)
2135: {
1.142 schwarze 2136: const struct mdoc_node *link, *descr;
1.1 kristaps 2137:
1.142 schwarze 2138: if (NULL == (link = n->child))
2139: return(0);
1.101 schwarze 2140:
1.142 schwarze 2141: if (NULL != (descr = link->next)) {
2142: term_fontpush(p, TERMFONT_UNDER);
2143: while (NULL != descr) {
2144: term_word(p, descr->string);
2145: descr = descr->next;
2146: }
2147: p->flags |= TERMP_NOSPACE;
2148: term_word(p, ":");
2149: term_fontpop(p);
2150: }
1.1 kristaps 2151:
1.65 schwarze 2152: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2153: term_word(p, link->string);
1.65 schwarze 2154: term_fontpop(p);
1.6 schwarze 2155:
1.1 kristaps 2156: return(0);
2157: }
2158:
1.90 schwarze 2159: static int
2160: termp_bk_pre(DECL_ARGS)
2161: {
2162:
1.91 schwarze 2163: switch (n->type) {
1.166 schwarze 2164: case MDOC_BLOCK:
1.95 schwarze 2165: break;
1.166 schwarze 2166: case MDOC_HEAD:
1.91 schwarze 2167: return(0);
1.166 schwarze 2168: case MDOC_BODY:
1.117 schwarze 2169: if (n->parent->args || 0 == n->prev->nchild)
2170: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2171: break;
1.91 schwarze 2172: default:
2173: abort();
1.95 schwarze 2174: /* NOTREACHED */
1.91 schwarze 2175: }
1.95 schwarze 2176:
2177: return(1);
1.90 schwarze 2178: }
2179:
2180: static void
2181: termp_bk_post(DECL_ARGS)
2182: {
2183:
1.155 schwarze 2184: if (MDOC_BODY == n->type)
1.91 schwarze 2185: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2186: }
1.120 schwarze 2187:
2188: static void
2189: termp__t_post(DECL_ARGS)
2190: {
2191:
2192: /*
2193: * If we're in an `Rs' and there's a journal present, then quote
2194: * us instead of underlining us (for disambiguation).
2195: */
1.121 schwarze 2196: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2197: n->parent->norm->Rs.quote_T)
1.147 schwarze 2198: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2199:
1.147 schwarze 2200: termp____post(p, pair, meta, n);
1.120 schwarze 2201: }
2202:
2203: static int
2204: termp__t_pre(DECL_ARGS)
2205: {
2206:
2207: /*
2208: * If we're in an `Rs' and there's a journal present, then quote
2209: * us instead of underlining us (for disambiguation).
2210: */
1.121 schwarze 2211: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2212: n->parent->norm->Rs.quote_T)
1.147 schwarze 2213: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2214:
2215: term_fontpush(p, TERMFONT_UNDER);
2216: return(1);
1.121 schwarze 2217: }
1.1 kristaps 2218:
2219: static int
1.54 schwarze 2220: termp_under_pre(DECL_ARGS)
1.1 kristaps 2221: {
2222:
1.65 schwarze 2223: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2224: return(1);
2225: }
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