Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.204
1.204 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.203 2015/01/30 22:04:15 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.202 schwarze 4: * Copyright (c) 2010, 2012-2015 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>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.81 schwarze 29: #include "mandoc.h"
1.168 schwarze 30: #include "mandoc_aux.h"
1.61 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
33: #include "mdoc.h"
1.61 schwarze 34: #include "main.h"
1.54 schwarze 35:
1.1 kristaps 36: struct termpair {
37: struct termpair *ppair;
1.27 schwarze 38: int count;
1.1 kristaps 39: };
40:
1.29 schwarze 41: #define DECL_ARGS struct termp *p, \
42: struct termpair *pair, \
1.166 schwarze 43: const struct mdoc_meta *meta, \
1.146 schwarze 44: struct mdoc_node *n
1.1 kristaps 45:
46: struct termact {
47: int (*pre)(DECL_ARGS);
48: void (*post)(DECL_ARGS);
49: };
1.29 schwarze 50:
1.201 schwarze 51: static int a2width(const struct termp *, const char *);
1.62 schwarze 52:
53: static void print_bvspace(struct termp *,
54: const struct mdoc_node *,
55: const struct mdoc_node *);
1.166 schwarze 56: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 57: static void print_mdoc_nodelist(DECL_ARGS);
1.87 schwarze 58: static void print_mdoc_head(struct termp *, const void *);
59: static void print_mdoc_foot(struct termp *, const void *);
1.166 schwarze 60: static void synopsis_pre(struct termp *,
1.86 schwarze 61: const struct mdoc_node *);
1.62 schwarze 62:
1.29 schwarze 63: static void termp____post(DECL_ARGS);
1.120 schwarze 64: static void termp__t_post(DECL_ARGS);
1.29 schwarze 65: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 66: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bl_post(DECL_ARGS);
1.143 schwarze 68: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 69: static void termp_fo_post(DECL_ARGS);
70: static void termp_in_post(DECL_ARGS);
71: static void termp_it_post(DECL_ARGS);
72: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 73: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 74: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 75: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 76: static void termp_sh_post(DECL_ARGS);
77: static void termp_ss_post(DECL_ARGS);
78:
1.104 schwarze 79: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 80: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 81: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 82: static int termp_ap_pre(DECL_ARGS);
83: static int termp_bd_pre(DECL_ARGS);
84: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 85: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 86: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 87: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 88: static int termp_bt_pre(DECL_ARGS);
1.126 schwarze 89: static int termp_bx_pre(DECL_ARGS);
1.29 schwarze 90: static int termp_cd_pre(DECL_ARGS);
91: static int termp_d1_pre(DECL_ARGS);
92: static int termp_ex_pre(DECL_ARGS);
93: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 94: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_fl_pre(DECL_ARGS);
96: static int termp_fn_pre(DECL_ARGS);
97: static int termp_fo_pre(DECL_ARGS);
98: static int termp_ft_pre(DECL_ARGS);
99: static int termp_in_pre(DECL_ARGS);
100: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 101: static int termp_li_pre(DECL_ARGS);
1.162 schwarze 102: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 103: static int termp_lk_pre(DECL_ARGS);
104: static int termp_nd_pre(DECL_ARGS);
105: static int termp_nm_pre(DECL_ARGS);
106: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 107: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_rs_pre(DECL_ARGS);
109: static int termp_rv_pre(DECL_ARGS);
110: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 111: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 113: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 114: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 115: static int termp_under_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_ud_pre(DECL_ARGS);
1.69 schwarze 117: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_xr_pre(DECL_ARGS);
119: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 120:
1.54 schwarze 121: static const struct termact termacts[MDOC_MAX] = {
1.11 schwarze 122: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 123: { NULL, NULL }, /* Dd */
124: { NULL, NULL }, /* Dt */
125: { NULL, NULL }, /* Os */
126: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 127: { termp_ss_pre, termp_ss_post }, /* Ss */
128: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 129: { termp_d1_pre, termp_bl_post }, /* D1 */
130: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 131: { termp_bd_pre, termp_bd_post }, /* Bd */
132: { NULL, NULL }, /* Ed */
1.73 schwarze 133: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 134: { NULL, NULL }, /* El */
135: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 136: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 137: { termp_an_pre, NULL }, /* An */
1.54 schwarze 138: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 139: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 140: { termp_bold_pre, NULL }, /* Cm */
1.166 schwarze 141: { NULL, NULL }, /* Dv */
142: { NULL, NULL }, /* Er */
143: { NULL, NULL }, /* Ev */
1.1 kristaps 144: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 145: { termp_fa_pre, NULL }, /* Fa */
146: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 147: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 148: { termp_fn_pre, NULL }, /* Fn */
149: { termp_ft_pre, NULL }, /* Ft */
150: { termp_bold_pre, NULL }, /* Ic */
151: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 152: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 153: { termp_nd_pre, NULL }, /* Nd */
154: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 155: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 156: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 157: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 158: { termp_rv_pre, NULL }, /* Rv */
1.166 schwarze 159: { NULL, NULL }, /* St */
1.54 schwarze 160: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 161: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 162: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 163: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 164: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 165: { NULL, termp____post }, /* %D */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 167: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 168: { NULL, termp____post }, /* %N */
169: { NULL, termp____post }, /* %O */
170: { NULL, termp____post }, /* %P */
171: { NULL, termp____post }, /* %R */
1.120 schwarze 172: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 173: { NULL, termp____post }, /* %V */
174: { NULL, NULL }, /* Ac */
1.107 schwarze 175: { termp_quote_pre, termp_quote_post }, /* Ao */
176: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 177: { NULL, NULL }, /* At */
1.1 kristaps 178: { NULL, NULL }, /* Bc */
1.166 schwarze 179: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Bo */
181: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 schwarze 182: { termp_xx_pre, NULL }, /* Bsx */
1.126 schwarze 183: { termp_bx_pre, NULL }, /* Bx */
1.193 schwarze 184: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 185: { NULL, NULL }, /* Dc */
1.107 schwarze 186: { termp_quote_pre, termp_quote_post }, /* Do */
187: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 188: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 189: { NULL, NULL }, /* Ef */
1.166 schwarze 190: { termp_under_pre, NULL }, /* Em */
1.139 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 schwarze 192: { termp_xx_pre, NULL }, /* Fx */
1.98 schwarze 193: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 194: { termp_li_pre, NULL }, /* No */
1.1 kristaps 195: { termp_ns_pre, NULL }, /* Ns */
1.26 schwarze 196: { termp_xx_pre, NULL }, /* Nx */
197: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 198: { NULL, NULL }, /* Pc */
1.156 schwarze 199: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 200: { termp_quote_pre, termp_quote_post }, /* Po */
201: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 202: { NULL, NULL }, /* Qc */
1.107 schwarze 203: { termp_quote_pre, termp_quote_post }, /* Ql */
204: { termp_quote_pre, termp_quote_post }, /* Qo */
205: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 206: { NULL, NULL }, /* Re */
207: { termp_rs_pre, NULL }, /* Rs */
208: { NULL, NULL }, /* Sc */
1.107 schwarze 209: { termp_quote_pre, termp_quote_post }, /* So */
210: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 211: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 212: { termp_under_pre, NULL }, /* Sx */
213: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 214: { NULL, NULL }, /* Tn */
1.26 schwarze 215: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 216: { NULL, NULL }, /* Xc */
217: { NULL, NULL }, /* Xo */
1.166 schwarze 218: { termp_fo_pre, termp_fo_post }, /* Fo */
219: { NULL, NULL }, /* Fc */
1.107 schwarze 220: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 221: { NULL, NULL }, /* Oc */
1.90 schwarze 222: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 223: { NULL, NULL }, /* Ek */
224: { termp_bt_pre, NULL }, /* Bt */
225: { NULL, NULL }, /* Hf */
1.170 schwarze 226: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 227: { termp_ud_pre, NULL }, /* Ud */
1.32 schwarze 228: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 229: { termp_sp_pre, NULL }, /* Lp */
230: { termp_lk_pre, NULL }, /* Lk */
231: { termp_under_pre, NULL }, /* Mt */
232: { termp_quote_pre, termp_quote_post }, /* Brq */
233: { termp_quote_pre, termp_quote_post }, /* Bro */
234: { NULL, NULL }, /* Brc */
235: { NULL, termp____post }, /* %C */
1.193 schwarze 236: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 237: { termp_quote_pre, termp_quote_post }, /* En */
1.166 schwarze 238: { termp_xx_pre, NULL }, /* Dx */
239: { NULL, termp____post }, /* %Q */
1.54 schwarze 240: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 241: { termp_sp_pre, NULL }, /* sp */
242: { NULL, termp____post }, /* %U */
243: { NULL, NULL }, /* Ta */
1.162 schwarze 244: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 245: };
246:
247:
1.55 schwarze 248: void
1.61 schwarze 249: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 250: {
1.147 schwarze 251: const struct mdoc_meta *meta;
1.180 schwarze 252: struct mdoc_node *n;
1.61 schwarze 253: struct termp *p;
254:
255: p = (struct termp *)arg;
1.71 schwarze 256:
257: p->overstep = 0;
1.180 schwarze 258: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 259: p->tabwidth = term_len(p, 5);
1.55 schwarze 260:
1.180 schwarze 261: n = mdoc_node(mdoc)->child;
1.147 schwarze 262: meta = mdoc_meta(mdoc);
1.55 schwarze 263:
1.180 schwarze 264: if (p->synopsisonly) {
265: while (n != NULL) {
266: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
267: if (n->child->next->child != NULL)
268: print_mdoc_nodelist(p, NULL,
269: meta, n->child->next->child);
270: term_newln(p);
271: break;
272: }
273: n = n->next;
274: }
275: } else {
276: if (p->defindent == 0)
277: p->defindent = 5;
278: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
279: if (n != NULL) {
280: if (n->tok != MDOC_Sh)
281: term_vspace(p);
282: print_mdoc_nodelist(p, NULL, meta, n);
283: }
284: term_end(p);
1.173 schwarze 285: }
1.1 kristaps 286: }
287:
288: static void
1.65 schwarze 289: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 290: {
291:
1.203 schwarze 292: while (n != NULL) {
293: print_mdoc_node(p, pair, meta, n);
294: n = n->next;
295: }
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;
1.204 ! schwarze 308: n->prev_font = p->fonti;
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:
1.194 schwarze 352: if (termacts[n->tok].pre &&
353: (n->end == ENDBODY_NOT || n->nchild))
1.128 schwarze 354: chld = (*termacts[n->tok].pre)
1.147 schwarze 355: (p, &npair, meta, n);
1.128 schwarze 356: break;
357: }
1.95 schwarze 358:
1.60 schwarze 359: if (chld && n->child)
1.147 schwarze 360: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 361:
1.146 schwarze 362: term_fontpopq(p,
363: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.1 kristaps 364:
1.122 schwarze 365: switch (n->type) {
1.166 schwarze 366: case MDOC_TEXT:
1.122 schwarze 367: break;
1.166 schwarze 368: case MDOC_TBL:
1.131 schwarze 369: break;
1.166 schwarze 370: case MDOC_EQN:
1.122 schwarze 371: break;
372: default:
373: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
374: break;
1.147 schwarze 375: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 376:
377: /*
378: * Explicit end tokens not only call the post
379: * handler, but also tell the respective block
380: * that it must not call the post handler again.
381: */
1.95 schwarze 382: if (ENDBODY_NOT != n->end)
1.93 schwarze 383: n->pending->flags |= MDOC_ENDED;
384:
385: /*
386: * End of line terminating an implicit block
387: * while an explicit block is still open.
388: * Continue the explicit block without spacing.
389: */
390: if (ENDBODY_NOSPACE == n->end)
391: p->flags |= TERMP_NOSPACE;
1.122 schwarze 392: break;
1.93 schwarze 393: }
1.28 schwarze 394:
1.78 schwarze 395: if (MDOC_EOS & n->flags)
396: p->flags |= TERMP_SENTENCE;
397:
1.162 schwarze 398: if (MDOC_ll != n->tok) {
399: p->offset = offset;
400: p->rmargin = rmargin;
401: }
1.1 kristaps 402: }
403:
404: static void
1.87 schwarze 405: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 406: {
1.147 schwarze 407: const struct mdoc_meta *meta;
1.191 schwarze 408: size_t sz;
1.87 schwarze 409:
1.147 schwarze 410: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 411:
1.65 schwarze 412: term_fontrepl(p, TERMFONT_NONE);
413:
1.166 schwarze 414: /*
1.7 schwarze 415: * Output the footer in new-groff style, that is, three columns
416: * with the middle being the manual date and flanking columns
417: * being the operating system:
418: *
419: * SYSTEM DATE SYSTEM
420: */
421:
1.1 kristaps 422: term_vspace(p);
423:
1.7 schwarze 424: p->offset = 0;
1.191 schwarze 425: sz = term_strlen(p, meta->date);
426: p->rmargin = p->maxrmargin > sz ?
427: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 428: p->trailspace = 1;
1.1 kristaps 429: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
430:
1.147 schwarze 431: term_word(p, meta->os);
1.1 kristaps 432: term_flushln(p);
433:
1.7 schwarze 434: p->offset = p->rmargin;
1.191 schwarze 435: sz = term_strlen(p, meta->os);
436: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 437: p->flags |= TERMP_NOSPACE;
1.7 schwarze 438:
1.147 schwarze 439: term_word(p, meta->date);
1.7 schwarze 440: term_flushln(p);
441:
1.1 kristaps 442: p->offset = p->rmargin;
443: p->rmargin = p->maxrmargin;
1.152 schwarze 444: p->trailspace = 0;
1.1 kristaps 445: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 446: p->flags |= TERMP_NOSPACE;
1.1 kristaps 447:
1.147 schwarze 448: term_word(p, meta->os);
1.1 kristaps 449: term_flushln(p);
1.7 schwarze 450:
451: p->offset = 0;
452: p->rmargin = p->maxrmargin;
453: p->flags = 0;
1.1 kristaps 454: }
455:
456: static void
1.87 schwarze 457: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 458: {
1.168 schwarze 459: const struct mdoc_meta *meta;
1.169 schwarze 460: char *volume, *title;
461: size_t vollen, titlen;
1.87 schwarze 462:
1.147 schwarze 463: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 464:
465: /*
466: * The header is strange. It has three components, which are
467: * really two with the first duplicated. It goes like this:
468: *
469: * IDENTIFIER TITLE IDENTIFIER
470: *
471: * The IDENTIFIER is NAME(SECTION), which is the command-name
472: * (if given, or "unknown" if not) followed by the manual page
473: * section. These are given in `Dt'. The TITLE is a free-form
474: * string depending on the manual volume. If not specified, it
475: * switches on the manual section.
476: */
1.137 schwarze 477:
1.147 schwarze 478: assert(meta->vol);
1.169 schwarze 479: if (NULL == meta->arch)
480: volume = mandoc_strdup(meta->vol);
481: else
482: mandoc_asprintf(&volume, "%s (%s)",
483: meta->vol, meta->arch);
484: vollen = term_strlen(p, volume);
1.1 kristaps 485:
1.177 schwarze 486: if (NULL == meta->msec)
487: title = mandoc_strdup(meta->title);
488: else
489: mandoc_asprintf(&title, "%s(%s)",
490: meta->title, meta->msec);
1.137 schwarze 491: titlen = term_strlen(p, title);
1.1 kristaps 492:
1.137 schwarze 493: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 494: p->trailspace = 1;
1.1 kristaps 495: p->offset = 0;
1.169 schwarze 496: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
497: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 498: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 499:
500: term_word(p, title);
501: term_flushln(p);
502:
1.137 schwarze 503: p->flags |= TERMP_NOSPACE;
1.1 kristaps 504: p->offset = p->rmargin;
1.169 schwarze 505: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 506: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 507:
1.169 schwarze 508: term_word(p, volume);
1.1 kristaps 509: term_flushln(p);
510:
511: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 512: p->trailspace = 0;
1.137 schwarze 513: if (p->rmargin + titlen <= p->maxrmargin) {
514: p->flags |= TERMP_NOSPACE;
515: p->offset = p->rmargin;
516: p->rmargin = p->maxrmargin;
517: term_word(p, title);
518: term_flushln(p);
519: }
1.1 kristaps 520:
1.137 schwarze 521: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 522: p->offset = 0;
1.1 kristaps 523: p->rmargin = p->maxrmargin;
1.168 schwarze 524: free(title);
1.169 schwarze 525: free(volume);
1.1 kristaps 526: }
527:
1.201 schwarze 528: static int
1.89 schwarze 529: a2width(const struct termp *p, const char *v)
1.61 schwarze 530: {
531: struct roffsu su;
1.1 kristaps 532:
1.199 schwarze 533: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 534: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 535: su.scale /= term_strlen(p, "0");
1.201 schwarze 536: }
1.89 schwarze 537: return(term_hspan(p, &su));
1.1 kristaps 538: }
539:
1.68 schwarze 540: /*
541: * Determine how much space to print out before block elements of `It'
542: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
543: * too.
544: */
1.45 schwarze 545: static void
1.166 schwarze 546: print_bvspace(struct termp *p,
547: const struct mdoc_node *bl,
548: const struct mdoc_node *n)
1.1 kristaps 549: {
1.60 schwarze 550: const struct mdoc_node *nn;
1.138 schwarze 551:
552: assert(n);
1.1 kristaps 553:
554: term_newln(p);
1.88 schwarze 555:
1.121 schwarze 556: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 557: return;
1.121 schwarze 558: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 559: return;
560:
1.60 schwarze 561: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 562:
1.188 schwarze 563: nn = n;
564: while (nn->prev == NULL) {
565: do {
566: nn = nn->parent;
567: if (nn->type == MDOC_ROOT)
568: return;
569: } while (nn->type != MDOC_BLOCK);
570: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 571: return;
1.188 schwarze 572: if (nn->tok == MDOC_It &&
573: nn->parent->parent->norm->Bl.type != LIST_item)
574: break;
1.1 kristaps 575: }
576:
1.60 schwarze 577: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 578:
1.121 schwarze 579: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 580: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 581: return;
582:
1.60 schwarze 583: /* A `-diag' without body does not vspace. */
584:
1.121 schwarze 585: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 586: if (n->prev && MDOC_It == n->prev->tok) {
587: assert(n->prev->body);
588: if (NULL == n->prev->body->child)
1.45 schwarze 589: return;
590: }
591:
592: term_vspace(p);
1.162 schwarze 593: }
594:
595:
596: static int
597: termp_ll_pre(DECL_ARGS)
598: {
599:
1.163 schwarze 600: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.162 schwarze 601: return(0);
1.1 kristaps 602: }
603:
604: static int
605: termp_it_pre(DECL_ARGS)
606: {
1.201 schwarze 607: char buf[24];
1.60 schwarze 608: const struct mdoc_node *bl, *nn;
1.201 schwarze 609: size_t ncols, dcol;
610: int i, offset, width;
1.82 schwarze 611: enum mdoc_list type;
1.1 kristaps 612:
1.60 schwarze 613: if (MDOC_BLOCK == n->type) {
1.61 schwarze 614: print_bvspace(p, n->parent->parent, n);
1.45 schwarze 615: return(1);
616: }
1.1 kristaps 617:
1.60 schwarze 618: bl = n->parent->parent->parent;
1.121 schwarze 619: type = bl->norm->Bl.type;
1.1 kristaps 620:
1.166 schwarze 621: /*
1.201 schwarze 622: * Defaults for specific list types.
623: */
624:
625: switch (type) {
626: case LIST_bullet:
627: /* FALLTHROUGH */
628: case LIST_dash:
629: /* FALLTHROUGH */
630: case LIST_hyphen:
631: /* FALLTHROUGH */
632: case LIST_enum:
633: width = term_len(p, 2);
634: break;
635: case LIST_hang:
636: width = term_len(p, 8);
637: break;
638: case LIST_column:
639: /* FALLTHROUGH */
640: case LIST_tag:
641: width = term_len(p, 10);
642: break;
643: default:
644: width = 0;
645: break;
646: }
647: offset = 0;
648:
649: /*
1.68 schwarze 650: * First calculate width and offset. This is pretty easy unless
651: * we're a -column list, in which case all prior columns must
652: * be accounted for.
653: */
654:
1.201 schwarze 655: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 656: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 657: if (offset < 0 && (size_t)(-offset) > p->offset)
658: offset = -p->offset;
659: else if (offset > SHRT_MAX)
660: offset = 0;
661: }
1.66 schwarze 662:
1.1 kristaps 663: switch (type) {
1.166 schwarze 664: case LIST_column:
1.85 schwarze 665: if (MDOC_HEAD == n->type)
1.1 kristaps 666: break;
1.88 schwarze 667:
1.66 schwarze 668: /*
1.68 schwarze 669: * Imitate groff's column handling:
670: * - For each earlier column, add its width.
671: * - For less than 5 columns, add four more blanks per
672: * column.
673: * - For exactly 5 columns, add three more blank per
674: * column.
675: * - For more than 5 columns, add only one column.
1.66 schwarze 676: */
1.121 schwarze 677: ncols = bl->norm->Bl.ncols;
1.166 schwarze 678: dcol = ncols < 5 ? term_len(p, 4) :
679: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 680:
1.85 schwarze 681: /*
682: * Calculate the offset by applying all prior MDOC_BODY,
683: * so we stop at the MDOC_HEAD (NULL == nn->prev).
684: */
685:
1.166 schwarze 686: for (i = 0, nn = n->prev;
687: nn->prev && i < (int)ncols;
688: nn = nn->prev, i++)
689: offset += dcol + a2width(p,
690: bl->norm->Bl.cols[i]);
1.66 schwarze 691:
692: /*
1.68 schwarze 693: * When exceeding the declared number of columns, leave
694: * the remaining widths at 0. This will later be
695: * adjusted to the default width of 10, or, for the last
696: * column, stretched to the right margin.
1.46 schwarze 697: */
1.68 schwarze 698: if (i >= (int)ncols)
699: break;
1.46 schwarze 700:
1.66 schwarze 701: /*
1.68 schwarze 702: * Use the declared column widths, extended as explained
703: * in the preceding paragraph.
1.66 schwarze 704: */
1.121 schwarze 705: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 706: break;
707: default:
1.121 schwarze 708: if (NULL == bl->norm->Bl.width)
1.68 schwarze 709: break;
710:
1.166 schwarze 711: /*
1.68 schwarze 712: * Note: buffer the width by 2, which is groff's magic
713: * number for buffering single arguments. See the above
714: * handling for column for how this changes.
715: */
1.121 schwarze 716: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 717: if (width < 0 && (size_t)(-width) > p->offset)
718: width = -p->offset;
719: else if (width > SHRT_MAX)
720: width = 0;
1.1 kristaps 721: break;
722: }
723:
1.166 schwarze 724: /*
1.16 schwarze 725: * Whitespace control. Inset bodies need an initial space,
726: * while diagonal bodies need two.
1.1 kristaps 727: */
728:
1.42 schwarze 729: p->flags |= TERMP_NOSPACE;
730:
1.1 kristaps 731: switch (type) {
1.166 schwarze 732: case LIST_diag:
1.60 schwarze 733: if (MDOC_BODY == n->type)
1.48 schwarze 734: term_word(p, "\\ \\ ");
1.42 schwarze 735: break;
1.166 schwarze 736: case LIST_inset:
1.172 schwarze 737: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.42 schwarze 738: term_word(p, "\\ ");
1.1 kristaps 739: break;
740: default:
741: break;
742: }
743:
1.42 schwarze 744: p->flags |= TERMP_NOSPACE;
745:
1.1 kristaps 746: switch (type) {
1.166 schwarze 747: case LIST_diag:
1.60 schwarze 748: if (MDOC_HEAD == n->type)
1.65 schwarze 749: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 750: break;
751: default:
752: break;
753: }
754:
755: /*
1.68 schwarze 756: * Pad and break control. This is the tricky part. These flags
757: * are documented in term_flushln() in term.c. Note that we're
758: * going to unset all of these flags in termp_it_post() when we
759: * exit.
1.1 kristaps 760: */
761:
762: switch (type) {
1.166 schwarze 763: case LIST_enum:
1.144 schwarze 764: /*
765: * Weird special case.
1.201 schwarze 766: * Some very narrow lists actually hang.
1.144 schwarze 767: */
768: /* FALLTHROUGH */
1.166 schwarze 769: case LIST_bullet:
1.1 kristaps 770: /* FALLTHROUGH */
1.166 schwarze 771: case LIST_dash:
1.1 kristaps 772: /* FALLTHROUGH */
1.166 schwarze 773: case LIST_hyphen:
1.201 schwarze 774: if (width <= (int)term_len(p, 2))
775: p->flags |= TERMP_HANG;
1.152 schwarze 776: if (MDOC_HEAD != n->type)
777: break;
778: p->flags |= TERMP_NOBREAK;
779: p->trailspace = 1;
1.33 schwarze 780: break;
1.166 schwarze 781: case LIST_hang:
1.152 schwarze 782: if (MDOC_HEAD != n->type)
1.47 schwarze 783: break;
784:
785: /*
786: * This is ugly. If `-hang' is specified and the body
787: * is a `Bl' or `Bd', then we want basically to nullify
788: * the "overstep" effect in term_flushln() and treat
789: * this as a `-ohang' list instead.
790: */
1.178 schwarze 791: if (NULL != n->next &&
792: NULL != n->next->child &&
1.166 schwarze 793: (MDOC_Bl == n->next->child->tok ||
794: MDOC_Bd == n->next->child->tok))
1.152 schwarze 795: break;
796:
1.165 schwarze 797: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 798: p->trailspace = 1;
1.33 schwarze 799: break;
1.166 schwarze 800: case LIST_tag:
1.60 schwarze 801: if (MDOC_HEAD != n->type)
1.33 schwarze 802: break;
1.152 schwarze 803:
1.165 schwarze 804: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 805: p->trailspace = 2;
806:
1.60 schwarze 807: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 808: p->flags |= TERMP_DANGLE;
1.1 kristaps 809: break;
1.166 schwarze 810: case LIST_column:
1.85 schwarze 811: if (MDOC_HEAD == n->type)
812: break;
813:
1.152 schwarze 814: if (NULL == n->next) {
1.85 schwarze 815: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 816: p->trailspace = 0;
817: } else {
1.85 schwarze 818: p->flags |= TERMP_NOBREAK;
1.152 schwarze 819: p->trailspace = 1;
820: }
1.85 schwarze 821:
1.1 kristaps 822: break;
1.166 schwarze 823: case LIST_diag:
1.152 schwarze 824: if (MDOC_HEAD != n->type)
825: break;
1.165 schwarze 826: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 827: p->trailspace = 1;
1.1 kristaps 828: break;
829: default:
830: break;
831: }
832:
1.166 schwarze 833: /*
1.1 kristaps 834: * Margin control. Set-head-width lists have their right
835: * margins shortened. The body for these lists has the offset
836: * necessarily lengthened. Everybody gets the offset.
837: */
838:
839: p->offset += offset;
840:
841: switch (type) {
1.166 schwarze 842: case LIST_hang:
1.47 schwarze 843: /*
844: * Same stipulation as above, regarding `-hang'. We
845: * don't want to recalculate rmargin and offsets when
846: * using `Bd' or `Bl' within `-hang' overstep lists.
847: */
1.178 schwarze 848: if (MDOC_HEAD == n->type &&
849: NULL != n->next &&
850: NULL != n->next->child &&
1.166 schwarze 851: (MDOC_Bl == n->next->child->tok ||
852: MDOC_Bd == n->next->child->tok))
1.47 schwarze 853: break;
854: /* FALLTHROUGH */
1.166 schwarze 855: case LIST_bullet:
1.1 kristaps 856: /* FALLTHROUGH */
1.166 schwarze 857: case LIST_dash:
1.1 kristaps 858: /* FALLTHROUGH */
1.166 schwarze 859: case LIST_enum:
1.1 kristaps 860: /* FALLTHROUGH */
1.166 schwarze 861: case LIST_hyphen:
1.33 schwarze 862: /* FALLTHROUGH */
1.166 schwarze 863: case LIST_tag:
1.60 schwarze 864: if (MDOC_HEAD == n->type)
1.1 kristaps 865: p->rmargin = p->offset + width;
1.191 schwarze 866: else
1.1 kristaps 867: p->offset += width;
868: break;
1.166 schwarze 869: case LIST_column:
1.41 schwarze 870: assert(width);
1.1 kristaps 871: p->rmargin = p->offset + width;
1.166 schwarze 872: /*
1.43 schwarze 873: * XXX - this behaviour is not documented: the
874: * right-most column is filled to the right margin.
875: */
1.85 schwarze 876: if (MDOC_HEAD == n->type)
877: break;
878: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 879: p->rmargin = p->maxrmargin;
1.1 kristaps 880: break;
881: default:
882: break;
883: }
884:
1.166 schwarze 885: /*
1.1 kristaps 886: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 887: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 888: */
889:
1.60 schwarze 890: if (MDOC_HEAD == n->type)
1.1 kristaps 891: switch (type) {
1.166 schwarze 892: case LIST_bullet:
1.65 schwarze 893: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 894: term_word(p, "\\[bu]");
1.65 schwarze 895: term_fontpop(p);
1.1 kristaps 896: break;
1.166 schwarze 897: case LIST_dash:
1.1 kristaps 898: /* FALLTHROUGH */
1.166 schwarze 899: case LIST_hyphen:
1.65 schwarze 900: term_fontpush(p, TERMFONT_BOLD);
1.35 schwarze 901: term_word(p, "\\(hy");
1.65 schwarze 902: term_fontpop(p);
1.1 kristaps 903: break;
1.166 schwarze 904: case LIST_enum:
1.1 kristaps 905: (pair->ppair->ppair->count)++;
1.167 schwarze 906: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 907: pair->ppair->ppair->count);
1.1 kristaps 908: term_word(p, buf);
909: break;
910: default:
911: break;
912: }
1.12 schwarze 913:
1.166 schwarze 914: /*
1.1 kristaps 915: * If we're not going to process our children, indicate so here.
916: */
917:
918: switch (type) {
1.166 schwarze 919: case LIST_bullet:
1.1 kristaps 920: /* FALLTHROUGH */
1.166 schwarze 921: case LIST_item:
1.1 kristaps 922: /* FALLTHROUGH */
1.166 schwarze 923: case LIST_dash:
1.1 kristaps 924: /* FALLTHROUGH */
1.166 schwarze 925: case LIST_hyphen:
1.1 kristaps 926: /* FALLTHROUGH */
1.166 schwarze 927: case LIST_enum:
1.60 schwarze 928: if (MDOC_HEAD == n->type)
1.1 kristaps 929: return(0);
930: break;
1.166 schwarze 931: case LIST_column:
1.85 schwarze 932: if (MDOC_HEAD == n->type)
1.1 kristaps 933: return(0);
934: break;
935: default:
936: break;
937: }
938:
939: return(1);
940: }
941:
942: static void
943: termp_it_post(DECL_ARGS)
944: {
1.82 schwarze 945: enum mdoc_list type;
1.1 kristaps 946:
1.68 schwarze 947: if (MDOC_BLOCK == n->type)
1.1 kristaps 948: return;
949:
1.121 schwarze 950: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 951:
952: switch (type) {
1.166 schwarze 953: case LIST_item:
1.44 schwarze 954: /* FALLTHROUGH */
1.166 schwarze 955: case LIST_diag:
1.1 kristaps 956: /* FALLTHROUGH */
1.166 schwarze 957: case LIST_inset:
1.60 schwarze 958: if (MDOC_BODY == n->type)
1.74 schwarze 959: term_newln(p);
1.1 kristaps 960: break;
1.166 schwarze 961: case LIST_column:
1.85 schwarze 962: if (MDOC_BODY == n->type)
1.1 kristaps 963: term_flushln(p);
964: break;
965: default:
1.74 schwarze 966: term_newln(p);
1.1 kristaps 967: break;
968: }
969:
1.166 schwarze 970: /*
1.68 schwarze 971: * Now that our output is flushed, we can reset our tags. Since
972: * only `It' sets these flags, we're free to assume that nobody
973: * has munged them in the meanwhile.
974: */
975:
1.165 schwarze 976: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
977: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 978: p->trailspace = 0;
1.1 kristaps 979: }
980:
981: static int
982: termp_nm_pre(DECL_ARGS)
983: {
1.195 schwarze 984: const char *cp;
1.1 kristaps 985:
1.155 schwarze 986: if (MDOC_BLOCK == n->type) {
987: p->flags |= TERMP_PREKEEP;
1.94 schwarze 988: return(1);
1.155 schwarze 989: }
1.94 schwarze 990:
991: if (MDOC_BODY == n->type) {
992: if (NULL == n->child)
993: return(0);
1.136 schwarze 994: p->flags |= TERMP_NOSPACE;
1.195 schwarze 995: cp = NULL;
996: if (n->prev->child != NULL)
997: cp = n->prev->child->string;
998: if (cp == NULL)
999: cp = meta->name;
1000: if (cp == NULL)
1001: p->offset += term_len(p, 6);
1002: else
1003: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.94 schwarze 1004: return(1);
1005: }
1006:
1.147 schwarze 1007: if (NULL == n->child && NULL == meta->name)
1.94 schwarze 1008: return(0);
1.81 schwarze 1009:
1.97 schwarze 1010: if (MDOC_HEAD == n->type)
1011: synopsis_pre(p, n->parent);
1.65 schwarze 1012:
1.178 schwarze 1013: if (MDOC_HEAD == n->type &&
1014: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1015: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1016: p->trailspace = 1;
1.105 schwarze 1017: p->rmargin = p->offset + term_len(p, 1);
1018: if (NULL == n->child) {
1.147 schwarze 1019: p->rmargin += term_strlen(p, meta->name);
1.105 schwarze 1020: } else if (MDOC_TEXT == n->child->type) {
1021: p->rmargin += term_strlen(p, n->child->string);
1022: if (n->child->next)
1023: p->flags |= TERMP_HANG;
1024: } else {
1025: p->rmargin += term_len(p, 5);
1026: p->flags |= TERMP_HANG;
1027: }
1.94 schwarze 1028: }
1029:
1.65 schwarze 1030: term_fontpush(p, TERMFONT_BOLD);
1.60 schwarze 1031: if (NULL == n->child)
1.147 schwarze 1032: term_word(p, meta->name);
1.1 kristaps 1033: return(1);
1034: }
1035:
1.94 schwarze 1036: static void
1037: termp_nm_post(DECL_ARGS)
1038: {
1039:
1.155 schwarze 1040: if (MDOC_BLOCK == n->type) {
1041: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.178 schwarze 1042: } else if (MDOC_HEAD == n->type &&
1043: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1044: term_flushln(p);
1.165 schwarze 1045: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1046: p->trailspace = 0;
1.136 schwarze 1047: } else if (MDOC_BODY == n->type && n->child)
1.94 schwarze 1048: term_flushln(p);
1049: }
1050:
1.1 kristaps 1051: static int
1052: termp_fl_pre(DECL_ARGS)
1053: {
1054:
1.65 schwarze 1055: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1056: term_word(p, "\\-");
1.67 schwarze 1057:
1.179 schwarze 1058: if ( ! (n->nchild == 0 &&
1059: (n->next == NULL ||
1060: n->next->type == MDOC_TEXT ||
1061: n->next->flags & MDOC_LINE)))
1.73 schwarze 1062: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1063:
1.1 kristaps 1064: return(1);
1.49 schwarze 1065: }
1066:
1067: static int
1.104 schwarze 1068: termp__a_pre(DECL_ARGS)
1069: {
1070:
1071: if (n->prev && MDOC__A == n->prev->tok)
1072: if (NULL == n->next || MDOC__A != n->next->tok)
1073: term_word(p, "and");
1074:
1075: return(1);
1076: }
1077:
1078: static int
1.49 schwarze 1079: termp_an_pre(DECL_ARGS)
1080: {
1081:
1.181 schwarze 1082: if (n->norm->An.auth == AUTH_split) {
1083: p->flags &= ~TERMP_NOSPLIT;
1084: p->flags |= TERMP_SPLIT;
1085: return(0);
1086: }
1087: if (n->norm->An.auth == AUTH_nosplit) {
1088: p->flags &= ~TERMP_SPLIT;
1089: p->flags |= TERMP_NOSPLIT;
1090: return(0);
1091: }
1.49 schwarze 1092:
1.181 schwarze 1093: if (n->child == NULL)
1094: return(0);
1.166 schwarze 1095:
1.181 schwarze 1096: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1097: term_newln(p);
1098:
1.181 schwarze 1099: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1100: p->flags |= TERMP_SPLIT;
1.49 schwarze 1101:
1102: return(1);
1.1 kristaps 1103: }
1104:
1105: static int
1106: termp_ns_pre(DECL_ARGS)
1107: {
1108:
1.127 schwarze 1109: if ( ! (MDOC_LINE & n->flags))
1110: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1111: return(1);
1112: }
1113:
1114: static int
1115: termp_rs_pre(DECL_ARGS)
1116: {
1117:
1.60 schwarze 1118: if (SEC_SEE_ALSO != n->sec)
1.57 schwarze 1119: return(1);
1.60 schwarze 1120: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1121: term_vspace(p);
1122: return(1);
1123: }
1124:
1125: static int
1126: termp_rv_pre(DECL_ARGS)
1127: {
1.132 schwarze 1128: int nchild;
1.1 kristaps 1129:
1130: term_newln(p);
1131:
1.132 schwarze 1132: nchild = n->nchild;
1.175 schwarze 1133: if (nchild > 0) {
1134: term_word(p, "The");
1.132 schwarze 1135:
1.175 schwarze 1136: for (n = n->child; n; n = n->next) {
1137: term_fontpush(p, TERMFONT_BOLD);
1138: term_word(p, n->string);
1139: term_fontpop(p);
1.132 schwarze 1140:
1141: p->flags |= TERMP_NOSPACE;
1.175 schwarze 1142: term_word(p, "()");
1143:
1144: if (n->next == NULL)
1145: continue;
1146:
1147: if (nchild > 2) {
1148: p->flags |= TERMP_NOSPACE;
1149: term_word(p, ",");
1150: }
1151: if (n->next->next == NULL)
1152: term_word(p, "and");
1.132 schwarze 1153: }
1154:
1.175 schwarze 1155: if (nchild > 1)
1156: term_word(p, "functions return");
1157: else
1158: term_word(p, "function returns");
1159:
1160: term_word(p, "the value\\~0 if successful;");
1161: } else
1162: term_word(p, "Upon successful completion,"
1163: " the value\\~0 is returned;");
1.1 kristaps 1164:
1.175 schwarze 1165: term_word(p, "otherwise the value\\~\\-1 is returned"
1166: " and the global variable");
1.1 kristaps 1167:
1.65 schwarze 1168: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1169: term_word(p, "errno");
1.65 schwarze 1170: term_fontpop(p);
1.1 kristaps 1171:
1.166 schwarze 1172: term_word(p, "is set to indicate the error.");
1.84 schwarze 1173: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1174:
1.53 schwarze 1175: return(0);
1.1 kristaps 1176: }
1177:
1178: static int
1179: termp_ex_pre(DECL_ARGS)
1180: {
1.132 schwarze 1181: int nchild;
1.1 kristaps 1182:
1.132 schwarze 1183: term_newln(p);
1.53 schwarze 1184: term_word(p, "The");
1.1 kristaps 1185:
1.132 schwarze 1186: nchild = n->nchild;
1187: for (n = n->child; n; n = n->next) {
1.65 schwarze 1188: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1189: term_word(p, n->string);
1.65 schwarze 1190: term_fontpop(p);
1.132 schwarze 1191:
1192: if (nchild > 2 && n->next) {
1193: p->flags |= TERMP_NOSPACE;
1.53 schwarze 1194: term_word(p, ",");
1.132 schwarze 1195: }
1196:
1197: if (n->next && NULL == n->next->next)
1198: term_word(p, "and");
1.53 schwarze 1199: }
1200:
1.132 schwarze 1201: if (nchild > 1)
1.175 schwarze 1202: term_word(p, "utilities exit\\~0");
1.53 schwarze 1203: else
1.175 schwarze 1204: term_word(p, "utility exits\\~0");
1.53 schwarze 1205:
1.175 schwarze 1206: term_word(p, "on success, and\\~>0 if an error occurs.");
1.132 schwarze 1207:
1.84 schwarze 1208: p->flags |= TERMP_SENTENCE;
1.53 schwarze 1209: return(0);
1.1 kristaps 1210: }
1211:
1212: static int
1213: termp_nd_pre(DECL_ARGS)
1214: {
1.25 schwarze 1215:
1.196 schwarze 1216: if (n->type == MDOC_BODY)
1217: term_word(p, "\\(en");
1.1 kristaps 1218: return(1);
1219: }
1220:
1.73 schwarze 1221: static int
1222: termp_bl_pre(DECL_ARGS)
1223: {
1224:
1225: return(MDOC_HEAD != n->type);
1226: }
1227:
1.1 kristaps 1228: static void
1229: termp_bl_post(DECL_ARGS)
1230: {
1231:
1.60 schwarze 1232: if (MDOC_BLOCK == n->type)
1.1 kristaps 1233: term_newln(p);
1234: }
1235:
1236: static int
1237: termp_xr_pre(DECL_ARGS)
1238: {
1239:
1.132 schwarze 1240: if (NULL == (n = n->child))
1.72 schwarze 1241: return(0);
1242:
1.132 schwarze 1243: assert(MDOC_TEXT == n->type);
1244: term_word(p, n->string);
1.10 schwarze 1245:
1.166 schwarze 1246: if (NULL == (n = n->next))
1.1 kristaps 1247: return(0);
1.132 schwarze 1248:
1.1 kristaps 1249: p->flags |= TERMP_NOSPACE;
1250: term_word(p, "(");
1.132 schwarze 1251: p->flags |= TERMP_NOSPACE;
1252:
1253: assert(MDOC_TEXT == n->type);
1254: term_word(p, n->string);
1255:
1256: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1257: term_word(p, ")");
1.60 schwarze 1258:
1.1 kristaps 1259: return(0);
1260: }
1261:
1.86 schwarze 1262: /*
1263: * This decides how to assert whitespace before any of the SYNOPSIS set
1264: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1265: * macro combos).
1266: */
1267: static void
1268: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1269: {
1.166 schwarze 1270: /*
1.86 schwarze 1271: * Obviously, if we're not in a SYNOPSIS or no prior macros
1272: * exist, do nothing.
1273: */
1.92 schwarze 1274: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.86 schwarze 1275: return;
1276:
1277: /*
1278: * If we're the second in a pair of like elements, emit our
1279: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1280: * case we soldier on.
1281: */
1.166 schwarze 1282: if (n->prev->tok == n->tok &&
1283: MDOC_Ft != n->tok &&
1284: MDOC_Fo != n->tok &&
1285: MDOC_Fn != n->tok) {
1.86 schwarze 1286: term_newln(p);
1287: return;
1288: }
1289:
1290: /*
1291: * If we're one of the SYNOPSIS set and non-like pair-wise after
1292: * another (or Fn/Fo, which we've let slip through) then assert
1293: * vertical space, else only newline and move on.
1294: */
1295: switch (n->prev->tok) {
1.166 schwarze 1296: case MDOC_Fd:
1.86 schwarze 1297: /* FALLTHROUGH */
1.166 schwarze 1298: case MDOC_Fn:
1.86 schwarze 1299: /* FALLTHROUGH */
1.166 schwarze 1300: case MDOC_Fo:
1.86 schwarze 1301: /* FALLTHROUGH */
1.166 schwarze 1302: case MDOC_In:
1.86 schwarze 1303: /* FALLTHROUGH */
1.166 schwarze 1304: case MDOC_Vt:
1.86 schwarze 1305: term_vspace(p);
1306: break;
1.166 schwarze 1307: case MDOC_Ft:
1.86 schwarze 1308: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1309: term_vspace(p);
1310: break;
1311: }
1312: /* FALLTHROUGH */
1313: default:
1314: term_newln(p);
1315: break;
1316: }
1317: }
1318:
1.69 schwarze 1319: static int
1320: termp_vt_pre(DECL_ARGS)
1321: {
1322:
1.86 schwarze 1323: if (MDOC_ELEM == n->type) {
1324: synopsis_pre(p, n);
1.147 schwarze 1325: return(termp_under_pre(p, pair, meta, n));
1.86 schwarze 1326: } else if (MDOC_BLOCK == n->type) {
1327: synopsis_pre(p, n);
1328: return(1);
1329: } else if (MDOC_HEAD == n->type)
1.69 schwarze 1330: return(0);
1331:
1.147 schwarze 1332: return(termp_under_pre(p, pair, meta, n));
1.69 schwarze 1333: }
1334:
1.1 kristaps 1335: static int
1.54 schwarze 1336: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1337: {
1338:
1.65 schwarze 1339: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1340: return(1);
1341: }
1342:
1.86 schwarze 1343: static int
1344: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1345: {
1346:
1.86 schwarze 1347: synopsis_pre(p, n);
1.147 schwarze 1348: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1349: }
1350:
1.143 schwarze 1351: static void
1352: termp_fd_post(DECL_ARGS)
1353: {
1354:
1355: term_newln(p);
1356: }
1357:
1.1 kristaps 1358: static int
1359: termp_sh_pre(DECL_ARGS)
1360: {
1.60 schwarze 1361:
1362: switch (n->type) {
1.166 schwarze 1363: case MDOC_BLOCK:
1.192 schwarze 1364: /*
1365: * Vertical space before sections, except
1366: * when the previous section was empty.
1367: */
1368: if (n->prev == NULL ||
1369: MDOC_Sh != n->prev->tok ||
1370: (n->prev->body != NULL &&
1371: n->prev->body->child != NULL))
1372: term_vspace(p);
1.52 schwarze 1373: break;
1.166 schwarze 1374: case MDOC_HEAD:
1.65 schwarze 1375: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1376: break;
1.166 schwarze 1377: case MDOC_BODY:
1.140 schwarze 1378: p->offset = term_len(p, p->defindent);
1.141 schwarze 1379: if (SEC_AUTHORS == n->sec)
1380: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1381: break;
1382: default:
1383: break;
1384: }
1385: return(1);
1386: }
1387:
1388: static void
1389: termp_sh_post(DECL_ARGS)
1390: {
1391:
1.60 schwarze 1392: switch (n->type) {
1.166 schwarze 1393: case MDOC_HEAD:
1.1 kristaps 1394: term_newln(p);
1395: break;
1.166 schwarze 1396: case MDOC_BODY:
1.1 kristaps 1397: term_newln(p);
1398: p->offset = 0;
1399: break;
1400: default:
1401: break;
1402: }
1403: }
1404:
1405: static int
1406: termp_bt_pre(DECL_ARGS)
1407: {
1408:
1409: term_word(p, "is currently in beta test.");
1.84 schwarze 1410: p->flags |= TERMP_SENTENCE;
1.59 schwarze 1411: return(0);
1.1 kristaps 1412: }
1413:
1414: static void
1415: termp_lb_post(DECL_ARGS)
1416: {
1417:
1.77 schwarze 1418: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.57 schwarze 1419: term_newln(p);
1.1 kristaps 1420: }
1421:
1422: static int
1423: termp_ud_pre(DECL_ARGS)
1424: {
1425:
1426: term_word(p, "currently under development.");
1.84 schwarze 1427: p->flags |= TERMP_SENTENCE;
1.60 schwarze 1428: return(0);
1.1 kristaps 1429: }
1430:
1431: static int
1432: termp_d1_pre(DECL_ARGS)
1433: {
1434:
1.60 schwarze 1435: if (MDOC_BLOCK != n->type)
1.1 kristaps 1436: return(1);
1437: term_newln(p);
1.140 schwarze 1438: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1439: return(1);
1440: }
1441:
1442: static int
1443: termp_ft_pre(DECL_ARGS)
1444: {
1445:
1.85 schwarze 1446: /* NB: MDOC_LINE does not effect this! */
1.86 schwarze 1447: synopsis_pre(p, n);
1.65 schwarze 1448: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1449: return(1);
1450: }
1451:
1452: static int
1453: termp_fn_pre(DECL_ARGS)
1454: {
1.159 schwarze 1455: size_t rmargin = 0;
1.132 schwarze 1456: int pretty;
1457:
1458: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1459:
1.86 schwarze 1460: synopsis_pre(p, n);
1.85 schwarze 1461:
1.132 schwarze 1462: if (NULL == (n = n->child))
1463: return(0);
1464:
1.153 schwarze 1465: if (pretty) {
1466: rmargin = p->rmargin;
1.159 schwarze 1467: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1468: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1469: }
1470:
1.132 schwarze 1471: assert(MDOC_TEXT == n->type);
1.65 schwarze 1472: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1473: term_word(p, n->string);
1.65 schwarze 1474: term_fontpop(p);
1.1 kristaps 1475:
1.153 schwarze 1476: if (pretty) {
1477: term_flushln(p);
1.165 schwarze 1478: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1479: p->offset = p->rmargin;
1480: p->rmargin = rmargin;
1481: }
1482:
1.1 kristaps 1483: p->flags |= TERMP_NOSPACE;
1484: term_word(p, "(");
1.132 schwarze 1485: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1486:
1.132 schwarze 1487: for (n = n->next; n; n = n->next) {
1488: assert(MDOC_TEXT == n->type);
1.65 schwarze 1489: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1490: if (pretty)
1491: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1492: term_word(p, n->string);
1.65 schwarze 1493: term_fontpop(p);
1494:
1.132 schwarze 1495: if (n->next) {
1496: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1497: term_word(p, ",");
1.132 schwarze 1498: }
1.1 kristaps 1499: }
1500:
1.132 schwarze 1501: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1502: term_word(p, ")");
1503:
1.132 schwarze 1504: if (pretty) {
1505: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1506: term_word(p, ";");
1.153 schwarze 1507: term_flushln(p);
1.132 schwarze 1508: }
1.1 kristaps 1509:
1510: return(0);
1511: }
1512:
1513: static int
1514: termp_fa_pre(DECL_ARGS)
1515: {
1.60 schwarze 1516: const struct mdoc_node *nn;
1.1 kristaps 1517:
1.60 schwarze 1518: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1519: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1520: return(1);
1521: }
1522:
1.60 schwarze 1523: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1524: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1525: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1526: term_word(p, nn->string);
1.65 schwarze 1527: term_fontpop(p);
1528:
1.158 schwarze 1529: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1530: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1531: term_word(p, ",");
1.132 schwarze 1532: }
1.1 kristaps 1533: }
1534:
1535: return(0);
1536: }
1537:
1538: static int
1539: termp_bd_pre(DECL_ARGS)
1540: {
1.174 schwarze 1541: size_t tabwidth, lm, len, rm, rmax;
1.146 schwarze 1542: struct mdoc_node *nn;
1.201 schwarze 1543: int offset;
1.1 kristaps 1544:
1.60 schwarze 1545: if (MDOC_BLOCK == n->type) {
1.61 schwarze 1546: print_bvspace(p, n, n);
1.45 schwarze 1547: return(1);
1.73 schwarze 1548: } else if (MDOC_HEAD == n->type)
1549: return(0);
1.1 kristaps 1550:
1.187 schwarze 1551: /* Handle the -offset argument. */
1552:
1553: if (n->norm->Bd.offs == NULL ||
1554: ! strcmp(n->norm->Bd.offs, "left"))
1555: /* nothing */;
1556: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1557: p->offset += term_len(p, p->defindent + 1);
1558: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1559: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1560: else {
1561: offset = a2width(p, n->norm->Bd.offs);
1562: if (offset < 0 && (size_t)(-offset) > p->offset)
1563: p->offset = 0;
1564: else if (offset < SHRT_MAX)
1565: p->offset += offset;
1566: }
1.60 schwarze 1567:
1568: /*
1569: * If -ragged or -filled are specified, the block does nothing
1570: * but change the indentation. If -unfilled or -literal are
1571: * specified, text is printed exactly as entered in the display:
1572: * for macro lines, a newline is appended to the line. Blank
1573: * lines are allowed.
1574: */
1.166 schwarze 1575:
1576: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1577: DISP_unfilled != n->norm->Bd.type &&
1578: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1579: return(1);
1580:
1.75 schwarze 1581: tabwidth = p->tabwidth;
1.123 schwarze 1582: if (DISP_literal == n->norm->Bd.type)
1583: p->tabwidth = term_len(p, 8);
1584:
1.174 schwarze 1585: lm = p->offset;
1.77 schwarze 1586: rm = p->rmargin;
1587: rmax = p->maxrmargin;
1588: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1589:
1.60 schwarze 1590: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1591: if (DISP_centered == n->norm->Bd.type) {
1592: if (MDOC_TEXT == nn->type) {
1593: len = term_strlen(p, nn->string);
1594: p->offset = len >= rm ? 0 :
1595: lm + len >= rm ? rm - len :
1596: (lm + rm - len) / 2;
1597: } else
1598: p->offset = lm;
1599: }
1.147 schwarze 1600: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1601: /*
1602: * If the printed node flushes its own line, then we
1603: * needn't do it here as well. This is hacky, but the
1604: * notion of selective eoln whitespace is pretty dumb
1605: * anyway, so don't sweat it.
1606: */
1607: switch (nn->tok) {
1.166 schwarze 1608: case MDOC_Sm:
1.112 schwarze 1609: /* FALLTHROUGH */
1.166 schwarze 1610: case MDOC_br:
1.108 schwarze 1611: /* FALLTHROUGH */
1.166 schwarze 1612: case MDOC_sp:
1.108 schwarze 1613: /* FALLTHROUGH */
1.166 schwarze 1614: case MDOC_Bl:
1.115 schwarze 1615: /* FALLTHROUGH */
1.166 schwarze 1616: case MDOC_D1:
1.115 schwarze 1617: /* FALLTHROUGH */
1.166 schwarze 1618: case MDOC_Dl:
1.108 schwarze 1619: /* FALLTHROUGH */
1.166 schwarze 1620: case MDOC_Lp:
1.108 schwarze 1621: /* FALLTHROUGH */
1.166 schwarze 1622: case MDOC_Pp:
1.108 schwarze 1623: continue;
1624: default:
1625: break;
1626: }
1.198 schwarze 1627: if (p->flags & TERMP_NONEWLINE ||
1628: (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.100 schwarze 1629: continue;
1630: term_flushln(p);
1.48 schwarze 1631: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1632: }
1.88 schwarze 1633:
1.75 schwarze 1634: p->tabwidth = tabwidth;
1.77 schwarze 1635: p->rmargin = rm;
1636: p->maxrmargin = rmax;
1.1 kristaps 1637: return(0);
1638: }
1639:
1640: static void
1641: termp_bd_post(DECL_ARGS)
1642: {
1.77 schwarze 1643: size_t rm, rmax;
1.1 kristaps 1644:
1.166 schwarze 1645: if (MDOC_BODY != n->type)
1.1 kristaps 1646: return;
1.77 schwarze 1647:
1648: rm = p->rmargin;
1649: rmax = p->maxrmargin;
1650:
1.166 schwarze 1651: if (DISP_literal == n->norm->Bd.type ||
1652: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1653: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1654:
1.48 schwarze 1655: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1656: term_newln(p);
1.77 schwarze 1657:
1658: p->rmargin = rm;
1659: p->maxrmargin = rmax;
1.1 kristaps 1660: }
1661:
1.126 schwarze 1662: static int
1663: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1664: {
1665:
1.126 schwarze 1666: if (NULL != (n = n->child)) {
1667: term_word(p, n->string);
1668: p->flags |= TERMP_NOSPACE;
1669: term_word(p, "BSD");
1670: } else {
1671: term_word(p, "BSD");
1672: return(0);
1673: }
1674:
1675: if (NULL != (n = n->next)) {
1676: p->flags |= TERMP_NOSPACE;
1677: term_word(p, "-");
1.1 kristaps 1678: p->flags |= TERMP_NOSPACE;
1.126 schwarze 1679: term_word(p, n->string);
1680: }
1681:
1682: return(0);
1.1 kristaps 1683: }
1684:
1685: static int
1.26 schwarze 1686: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1687: {
1.26 schwarze 1688: const char *pp;
1.129 schwarze 1689: int flags;
1.1 kristaps 1690:
1.26 schwarze 1691: pp = NULL;
1.60 schwarze 1692: switch (n->tok) {
1.166 schwarze 1693: case MDOC_Bsx:
1.113 schwarze 1694: pp = "BSD/OS";
1.26 schwarze 1695: break;
1.166 schwarze 1696: case MDOC_Dx:
1.64 schwarze 1697: pp = "DragonFly";
1.26 schwarze 1698: break;
1.166 schwarze 1699: case MDOC_Fx:
1.26 schwarze 1700: pp = "FreeBSD";
1701: break;
1.166 schwarze 1702: case MDOC_Nx:
1.26 schwarze 1703: pp = "NetBSD";
1704: break;
1.166 schwarze 1705: case MDOC_Ox:
1.26 schwarze 1706: pp = "OpenBSD";
1707: break;
1.166 schwarze 1708: case MDOC_Ux:
1.26 schwarze 1709: pp = "UNIX";
1710: break;
1711: default:
1.148 schwarze 1712: abort();
1713: /* NOTREACHED */
1.26 schwarze 1714: }
1.1 kristaps 1715:
1.26 schwarze 1716: term_word(p, pp);
1.129 schwarze 1717: if (n->child) {
1718: flags = p->flags;
1719: p->flags |= TERMP_KEEP;
1720: term_word(p, n->child->string);
1721: p->flags = flags;
1722: }
1723: return(0);
1.1 kristaps 1724: }
1725:
1726: static void
1727: termp_pf_post(DECL_ARGS)
1728: {
1729:
1.197 schwarze 1730: if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
1731: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1732: }
1733:
1734: static int
1735: termp_ss_pre(DECL_ARGS)
1736: {
1737:
1.60 schwarze 1738: switch (n->type) {
1.166 schwarze 1739: case MDOC_BLOCK:
1.1 kristaps 1740: term_newln(p);
1.60 schwarze 1741: if (n->prev)
1.1 kristaps 1742: term_vspace(p);
1743: break;
1.166 schwarze 1744: case MDOC_HEAD:
1.65 schwarze 1745: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1746: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1747: break;
1.176 schwarze 1748: case MDOC_BODY:
1749: p->offset = term_len(p, p->defindent);
1750: break;
1.1 kristaps 1751: default:
1752: break;
1753: }
1754:
1755: return(1);
1756: }
1757:
1758: static void
1759: termp_ss_post(DECL_ARGS)
1760: {
1761:
1.176 schwarze 1762: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1763: term_newln(p);
1764: }
1765:
1766: static int
1767: termp_cd_pre(DECL_ARGS)
1768: {
1769:
1.86 schwarze 1770: synopsis_pre(p, n);
1.65 schwarze 1771: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1772: return(1);
1773: }
1774:
1775: static int
1776: termp_in_pre(DECL_ARGS)
1777: {
1778:
1.86 schwarze 1779: synopsis_pre(p, n);
1.85 schwarze 1780:
1.92 schwarze 1781: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.85 schwarze 1782: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1783: term_word(p, "#include");
1.85 schwarze 1784: term_word(p, "<");
1785: } else {
1786: term_word(p, "<");
1787: term_fontpush(p, TERMFONT_UNDER);
1788: }
1.23 schwarze 1789:
1.1 kristaps 1790: p->flags |= TERMP_NOSPACE;
1791: return(1);
1792: }
1793:
1794: static void
1795: termp_in_post(DECL_ARGS)
1796: {
1797:
1.92 schwarze 1798: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1799: term_fontpush(p, TERMFONT_BOLD);
1800:
1.59 schwarze 1801: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1802: term_word(p, ">");
1803:
1.92 schwarze 1804: if (MDOC_SYNPRETTY & n->flags)
1.85 schwarze 1805: term_fontpop(p);
1.38 schwarze 1806: }
1807:
1808: static int
1809: termp_sp_pre(DECL_ARGS)
1810: {
1.199 schwarze 1811: struct roffsu su;
1.61 schwarze 1812: size_t i, len;
1.38 schwarze 1813:
1.60 schwarze 1814: switch (n->tok) {
1.166 schwarze 1815: case MDOC_sp:
1.199 schwarze 1816: if (n->child) {
1817: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1818: su.scale = 1.0;
1819: len = term_vspan(p, &su);
1820: } else
1821: len = 1;
1.54 schwarze 1822: break;
1.166 schwarze 1823: case MDOC_br:
1.54 schwarze 1824: len = 0;
1825: break;
1826: default:
1827: len = 1;
1828: break;
1.38 schwarze 1829: }
1830:
1831: if (0 == len)
1832: term_newln(p);
1833: for (i = 0; i < len; i++)
1834: term_vspace(p);
1835:
1836: return(0);
1837: }
1838:
1839: static int
1.193 schwarze 1840: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1841: {
1842:
1843: return(0);
1844: }
1845:
1846: static int
1.107 schwarze 1847: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1848: {
1849:
1.120 schwarze 1850: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1851: return(1);
1852:
1.107 schwarze 1853: switch (n->tok) {
1.166 schwarze 1854: case MDOC_Ao:
1.107 schwarze 1855: /* FALLTHROUGH */
1.166 schwarze 1856: case MDOC_Aq:
1.202 schwarze 1857: term_word(p, n->nchild == 1 &&
1858: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1859: break;
1.166 schwarze 1860: case MDOC_Bro:
1.107 schwarze 1861: /* FALLTHROUGH */
1.166 schwarze 1862: case MDOC_Brq:
1.107 schwarze 1863: term_word(p, "{");
1864: break;
1.166 schwarze 1865: case MDOC_Oo:
1.107 schwarze 1866: /* FALLTHROUGH */
1.166 schwarze 1867: case MDOC_Op:
1.107 schwarze 1868: /* FALLTHROUGH */
1.166 schwarze 1869: case MDOC_Bo:
1.107 schwarze 1870: /* FALLTHROUGH */
1.166 schwarze 1871: case MDOC_Bq:
1.107 schwarze 1872: term_word(p, "[");
1873: break;
1.166 schwarze 1874: case MDOC_Do:
1.107 schwarze 1875: /* FALLTHROUGH */
1.166 schwarze 1876: case MDOC_Dq:
1.151 schwarze 1877: term_word(p, "\\(lq");
1.107 schwarze 1878: break;
1.170 schwarze 1879: case MDOC_En:
1880: if (NULL == n->norm->Es ||
1881: NULL == n->norm->Es->child)
1882: return(1);
1883: term_word(p, n->norm->Es->child->string);
1884: break;
1.166 schwarze 1885: case MDOC_Eo:
1.139 schwarze 1886: break;
1.166 schwarze 1887: case MDOC_Po:
1.107 schwarze 1888: /* FALLTHROUGH */
1.166 schwarze 1889: case MDOC_Pq:
1.107 schwarze 1890: term_word(p, "(");
1891: break;
1.166 schwarze 1892: case MDOC__T:
1.120 schwarze 1893: /* FALLTHROUGH */
1.166 schwarze 1894: case MDOC_Qo:
1.107 schwarze 1895: /* FALLTHROUGH */
1.166 schwarze 1896: case MDOC_Qq:
1.107 schwarze 1897: term_word(p, "\"");
1898: break;
1.166 schwarze 1899: case MDOC_Ql:
1.107 schwarze 1900: /* FALLTHROUGH */
1.166 schwarze 1901: case MDOC_So:
1.107 schwarze 1902: /* FALLTHROUGH */
1.166 schwarze 1903: case MDOC_Sq:
1.151 schwarze 1904: term_word(p, "\\(oq");
1.107 schwarze 1905: break;
1906: default:
1907: abort();
1908: /* NOTREACHED */
1909: }
1.1 kristaps 1910:
1911: p->flags |= TERMP_NOSPACE;
1912: return(1);
1913: }
1914:
1915: static void
1.107 schwarze 1916: termp_quote_post(DECL_ARGS)
1.1 kristaps 1917: {
1918:
1.194 schwarze 1919: if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1 kristaps 1920: return;
1921:
1.194 schwarze 1922: if ( ! (n->tok == MDOC_En ||
1923: (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.170 schwarze 1924: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1925:
1.107 schwarze 1926: switch (n->tok) {
1.166 schwarze 1927: case MDOC_Ao:
1.107 schwarze 1928: /* FALLTHROUGH */
1.166 schwarze 1929: case MDOC_Aq:
1.202 schwarze 1930: term_word(p, n->nchild == 1 &&
1931: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1932: break;
1.166 schwarze 1933: case MDOC_Bro:
1.107 schwarze 1934: /* FALLTHROUGH */
1.166 schwarze 1935: case MDOC_Brq:
1.107 schwarze 1936: term_word(p, "}");
1937: break;
1.166 schwarze 1938: case MDOC_Oo:
1.107 schwarze 1939: /* FALLTHROUGH */
1.166 schwarze 1940: case MDOC_Op:
1.107 schwarze 1941: /* FALLTHROUGH */
1.166 schwarze 1942: case MDOC_Bo:
1.107 schwarze 1943: /* FALLTHROUGH */
1.166 schwarze 1944: case MDOC_Bq:
1.107 schwarze 1945: term_word(p, "]");
1946: break;
1.166 schwarze 1947: case MDOC_Do:
1.107 schwarze 1948: /* FALLTHROUGH */
1.166 schwarze 1949: case MDOC_Dq:
1.151 schwarze 1950: term_word(p, "\\(rq");
1.170 schwarze 1951: break;
1952: case MDOC_En:
1953: if (NULL != n->norm->Es &&
1954: NULL != n->norm->Es->child &&
1955: NULL != n->norm->Es->child->next) {
1956: p->flags |= TERMP_NOSPACE;
1957: term_word(p, n->norm->Es->child->next->string);
1958: }
1.139 schwarze 1959: break;
1.166 schwarze 1960: case MDOC_Eo:
1.107 schwarze 1961: break;
1.166 schwarze 1962: case MDOC_Po:
1.107 schwarze 1963: /* FALLTHROUGH */
1.166 schwarze 1964: case MDOC_Pq:
1.107 schwarze 1965: term_word(p, ")");
1966: break;
1.166 schwarze 1967: case MDOC__T:
1.120 schwarze 1968: /* FALLTHROUGH */
1.166 schwarze 1969: case MDOC_Qo:
1.107 schwarze 1970: /* FALLTHROUGH */
1.166 schwarze 1971: case MDOC_Qq:
1.107 schwarze 1972: term_word(p, "\"");
1973: break;
1.166 schwarze 1974: case MDOC_Ql:
1.107 schwarze 1975: /* FALLTHROUGH */
1.166 schwarze 1976: case MDOC_So:
1.107 schwarze 1977: /* FALLTHROUGH */
1.166 schwarze 1978: case MDOC_Sq:
1.151 schwarze 1979: term_word(p, "\\(cq");
1.107 schwarze 1980: break;
1981: default:
1982: abort();
1983: /* NOTREACHED */
1984: }
1.1 kristaps 1985: }
1986:
1987: static int
1988: termp_fo_pre(DECL_ARGS)
1989: {
1.159 schwarze 1990: size_t rmargin = 0;
1.158 schwarze 1991: int pretty;
1992:
1993: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1994:
1.85 schwarze 1995: if (MDOC_BLOCK == n->type) {
1.86 schwarze 1996: synopsis_pre(p, n);
1.85 schwarze 1997: return(1);
1998: } else if (MDOC_BODY == n->type) {
1.158 schwarze 1999: if (pretty) {
2000: rmargin = p->rmargin;
1.159 schwarze 2001: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 2002: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2003: TERMP_HANG;
1.158 schwarze 2004: }
1.31 schwarze 2005: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2006: term_word(p, "(");
1.132 schwarze 2007: p->flags |= TERMP_NOSPACE;
1.158 schwarze 2008: if (pretty) {
2009: term_flushln(p);
1.165 schwarze 2010: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2011: TERMP_HANG);
1.158 schwarze 2012: p->offset = p->rmargin;
2013: p->rmargin = rmargin;
2014: }
1.1 kristaps 2015: return(1);
1.158 schwarze 2016: }
1.85 schwarze 2017:
1.95 schwarze 2018: if (NULL == n->child)
2019: return(0);
2020:
1.85 schwarze 2021: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2022:
1.85 schwarze 2023: assert(n->child->string);
1.65 schwarze 2024: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 2025: term_word(p, n->child->string);
1.1 kristaps 2026: return(0);
2027: }
2028:
2029: static void
2030: termp_fo_post(DECL_ARGS)
2031: {
2032:
1.166 schwarze 2033: if (MDOC_BODY != n->type)
1.86 schwarze 2034: return;
2035:
1.132 schwarze 2036: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2037: term_word(p, ")");
2038:
1.132 schwarze 2039: if (MDOC_SYNPRETTY & n->flags) {
2040: p->flags |= TERMP_NOSPACE;
1.86 schwarze 2041: term_word(p, ";");
1.158 schwarze 2042: term_flushln(p);
1.132 schwarze 2043: }
1.1 kristaps 2044: }
2045:
2046: static int
2047: termp_bf_pre(DECL_ARGS)
2048: {
2049:
1.60 schwarze 2050: if (MDOC_HEAD == n->type)
1.1 kristaps 2051: return(0);
1.146 schwarze 2052: else if (MDOC_BODY != n->type)
1.1 kristaps 2053: return(1);
2054:
1.166 schwarze 2055: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 2056: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 2057: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 2058: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 2059: else
1.65 schwarze 2060: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2061:
2062: return(1);
2063: }
2064:
2065: static int
2066: termp_sm_pre(DECL_ARGS)
2067: {
2068:
1.171 schwarze 2069: if (NULL == n->child)
2070: p->flags ^= TERMP_NONOSPACE;
2071: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2072: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 2073: else
1.1 kristaps 2074: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 2075:
2076: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2077: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2078:
2079: return(0);
2080: }
2081:
2082: static int
2083: termp_ap_pre(DECL_ARGS)
2084: {
2085:
2086: p->flags |= TERMP_NOSPACE;
1.107 schwarze 2087: term_word(p, "'");
1.1 kristaps 2088: p->flags |= TERMP_NOSPACE;
2089: return(1);
2090: }
2091:
2092: static void
2093: termp____post(DECL_ARGS)
2094: {
1.104 schwarze 2095:
2096: /*
2097: * Handle lists of authors. In general, print each followed by
2098: * a comma. Don't print the comma if there are only two
2099: * authors.
2100: */
2101: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2102: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2103: if (NULL == n->prev || MDOC__A != n->prev->tok)
2104: return;
1.1 kristaps 2105:
1.62 schwarze 2106: /* TODO: %U. */
2107:
1.106 schwarze 2108: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2109: return;
2110:
1.132 schwarze 2111: p->flags |= TERMP_NOSPACE;
1.106 schwarze 2112: if (NULL == n->next) {
2113: term_word(p, ".");
2114: p->flags |= TERMP_SENTENCE;
2115: } else
2116: term_word(p, ",");
1.1 kristaps 2117: }
2118:
2119: static int
1.65 schwarze 2120: termp_li_pre(DECL_ARGS)
2121: {
2122:
2123: term_fontpush(p, TERMFONT_NONE);
2124: return(1);
2125: }
2126:
2127: static int
1.1 kristaps 2128: termp_lk_pre(DECL_ARGS)
2129: {
1.142 schwarze 2130: const struct mdoc_node *link, *descr;
1.1 kristaps 2131:
1.142 schwarze 2132: if (NULL == (link = n->child))
2133: return(0);
1.101 schwarze 2134:
1.142 schwarze 2135: if (NULL != (descr = link->next)) {
2136: term_fontpush(p, TERMFONT_UNDER);
2137: while (NULL != descr) {
2138: term_word(p, descr->string);
2139: descr = descr->next;
2140: }
2141: p->flags |= TERMP_NOSPACE;
2142: term_word(p, ":");
2143: term_fontpop(p);
2144: }
1.1 kristaps 2145:
1.65 schwarze 2146: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2147: term_word(p, link->string);
1.65 schwarze 2148: term_fontpop(p);
1.6 schwarze 2149:
1.1 kristaps 2150: return(0);
2151: }
2152:
1.90 schwarze 2153: static int
2154: termp_bk_pre(DECL_ARGS)
2155: {
2156:
1.91 schwarze 2157: switch (n->type) {
1.166 schwarze 2158: case MDOC_BLOCK:
1.95 schwarze 2159: break;
1.166 schwarze 2160: case MDOC_HEAD:
1.91 schwarze 2161: return(0);
1.166 schwarze 2162: case MDOC_BODY:
1.117 schwarze 2163: if (n->parent->args || 0 == n->prev->nchild)
2164: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2165: break;
1.91 schwarze 2166: default:
2167: abort();
1.95 schwarze 2168: /* NOTREACHED */
1.91 schwarze 2169: }
1.95 schwarze 2170:
2171: return(1);
1.90 schwarze 2172: }
2173:
2174: static void
2175: termp_bk_post(DECL_ARGS)
2176: {
2177:
1.155 schwarze 2178: if (MDOC_BODY == n->type)
1.91 schwarze 2179: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2180: }
1.120 schwarze 2181:
2182: static void
2183: termp__t_post(DECL_ARGS)
2184: {
2185:
2186: /*
2187: * If we're in an `Rs' and there's a journal present, then quote
2188: * us instead of underlining us (for disambiguation).
2189: */
1.121 schwarze 2190: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2191: n->parent->norm->Rs.quote_T)
1.147 schwarze 2192: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2193:
1.147 schwarze 2194: termp____post(p, pair, meta, n);
1.120 schwarze 2195: }
2196:
2197: static int
2198: termp__t_pre(DECL_ARGS)
2199: {
2200:
2201: /*
2202: * If we're in an `Rs' and there's a journal present, then quote
2203: * us instead of underlining us (for disambiguation).
2204: */
1.121 schwarze 2205: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2206: n->parent->norm->Rs.quote_T)
1.147 schwarze 2207: return(termp_quote_pre(p, pair, meta, n));
1.120 schwarze 2208:
2209: term_fontpush(p, TERMFONT_UNDER);
2210: return(1);
1.121 schwarze 2211: }
1.1 kristaps 2212:
2213: static int
1.54 schwarze 2214: termp_under_pre(DECL_ARGS)
1.1 kristaps 2215: {
2216:
1.65 schwarze 2217: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 2218: return(1);
2219: }
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