Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.187
1.187 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.186 2020/01/20 10:29:31 schwarze Exp $ */
1.1 kristaps 2: /*
1.84 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.186 schwarze 4: * Copyright (c) 2010-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.124 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.124 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.13 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
1.11 schwarze 21: #include <ctype.h>
1.117 schwarze 22: #include <limits.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.124 schwarze 27: #include "mandoc_aux.h"
1.184 schwarze 28: #include "mandoc.h"
1.124 schwarze 29: #include "roff.h"
30: #include "man.h"
1.18 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
1.184 schwarze 33: #include "tag.h"
1.18 schwarze 34: #include "main.h"
1.10 schwarze 35:
1.70 schwarze 36: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.1 kristaps 37:
1.11 schwarze 38: struct mtermp {
1.116 schwarze 39: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.70 schwarze 40: int lmargincur; /* index of current margin */
41: int lmarginsz; /* actual number of nested margins */
42: size_t offset; /* default offset to visible page */
1.88 schwarze 43: int pardist; /* vert. space before par., unit: [v] */
1.11 schwarze 44: };
45:
1.100 schwarze 46: #define DECL_ARGS struct termp *p, \
1.11 schwarze 47: struct mtermp *mt, \
1.125 schwarze 48: struct roff_node *n, \
1.126 schwarze 49: const struct roff_meta *meta
1.1 kristaps 50:
1.167 schwarze 51: struct man_term_act {
1.1 kristaps 52: int (*pre)(DECL_ARGS);
53: void (*post)(DECL_ARGS);
1.26 schwarze 54: int flags;
55: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 56: };
57:
1.21 schwarze 58: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 59: static void print_man_node(DECL_ARGS);
1.126 schwarze 60: static void print_man_head(struct termp *,
61: const struct roff_meta *);
62: static void print_man_foot(struct termp *,
63: const struct roff_meta *);
1.100 schwarze 64: static void print_bvspace(struct termp *,
1.187 ! schwarze 65: struct roff_node *, int);
1.18 schwarze 66:
1.1 kristaps 67: static int pre_B(DECL_ARGS);
1.152 schwarze 68: static int pre_DT(DECL_ARGS);
1.11 schwarze 69: static int pre_HP(DECL_ARGS);
1.1 kristaps 70: static int pre_I(DECL_ARGS);
71: static int pre_IP(DECL_ARGS);
1.82 schwarze 72: static int pre_OP(DECL_ARGS);
1.88 schwarze 73: static int pre_PD(DECL_ARGS);
1.1 kristaps 74: static int pre_PP(DECL_ARGS);
1.13 schwarze 75: static int pre_RS(DECL_ARGS);
1.1 kristaps 76: static int pre_SH(DECL_ARGS);
77: static int pre_SS(DECL_ARGS);
1.168 schwarze 78: static int pre_SY(DECL_ARGS);
1.1 kristaps 79: static int pre_TP(DECL_ARGS);
1.91 schwarze 80: static int pre_UR(DECL_ARGS);
1.174 schwarze 81: static int pre_abort(DECL_ARGS);
1.82 schwarze 82: static int pre_alternate(DECL_ARGS);
1.14 schwarze 83: static int pre_ign(DECL_ARGS);
1.45 schwarze 84: static int pre_in(DECL_ARGS);
85: static int pre_literal(DECL_ARGS);
1.1 kristaps 86:
1.11 schwarze 87: static void post_IP(DECL_ARGS);
88: static void post_HP(DECL_ARGS);
1.13 schwarze 89: static void post_RS(DECL_ARGS);
1.1 kristaps 90: static void post_SH(DECL_ARGS);
1.168 schwarze 91: static void post_SY(DECL_ARGS);
1.11 schwarze 92: static void post_TP(DECL_ARGS);
1.91 schwarze 93: static void post_UR(DECL_ARGS);
1.1 kristaps 94:
1.184 schwarze 95: static void tag_man(struct termp *, struct roff_node *);
96:
1.167 schwarze 97: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.26 schwarze 98: { NULL, NULL, 0 }, /* TH */
99: { pre_SH, post_SH, 0 }, /* SH */
1.180 schwarze 100: { pre_SS, post_SH, 0 }, /* SS */
1.26 schwarze 101: { pre_TP, post_TP, 0 }, /* TP */
1.166 schwarze 102: { pre_TP, post_TP, 0 }, /* TQ */
1.174 schwarze 103: { pre_abort, NULL, 0 }, /* LP */
1.26 schwarze 104: { pre_PP, NULL, 0 }, /* PP */
1.174 schwarze 105: { pre_abort, NULL, 0 }, /* P */
1.26 schwarze 106: { pre_IP, post_IP, 0 }, /* IP */
1.100 schwarze 107: { pre_HP, post_HP, 0 }, /* HP */
1.26 schwarze 108: { NULL, NULL, 0 }, /* SM */
109: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 110: { pre_alternate, NULL, 0 }, /* BI */
111: { pre_alternate, NULL, 0 }, /* IB */
112: { pre_alternate, NULL, 0 }, /* BR */
113: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 114: { NULL, NULL, 0 }, /* R */
115: { pre_B, NULL, 0 }, /* B */
116: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 117: { pre_alternate, NULL, 0 }, /* IR */
118: { pre_alternate, NULL, 0 }, /* RI */
1.26 schwarze 119: { NULL, NULL, 0 }, /* RE */
120: { pre_RS, post_RS, 0 }, /* RS */
1.152 schwarze 121: { pre_DT, NULL, 0 }, /* DT */
1.111 schwarze 122: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.88 schwarze 123: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.36 schwarze 124: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 125: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.168 schwarze 126: { pre_SY, post_SY, 0 }, /* SY */
127: { NULL, NULL, 0 }, /* YS */
1.82 schwarze 128: { pre_OP, NULL, 0 }, /* OP */
1.83 schwarze 129: { pre_literal, NULL, 0 }, /* EX */
130: { pre_literal, NULL, 0 }, /* EE */
1.91 schwarze 131: { pre_UR, post_UR, 0 }, /* UR */
132: { NULL, NULL, 0 }, /* UE */
1.161 bentley 133: { pre_UR, post_UR, 0 }, /* MT */
134: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 135: };
1.167 schwarze 136: static const struct man_term_act *man_term_act(enum roff_tok);
1.11 schwarze 137:
1.1 kristaps 138:
1.167 schwarze 139: static const struct man_term_act *
140: man_term_act(enum roff_tok tok)
141: {
142: assert(tok >= MAN_TH && tok <= MAN_MAX);
143: return man_term_acts + (tok - MAN_TH);
144: }
145:
1.16 schwarze 146: void
1.176 schwarze 147: terminal_man(void *arg, const struct roff_meta *man)
1.1 kristaps 148: {
1.180 schwarze 149: struct mtermp mt;
1.18 schwarze 150: struct termp *p;
1.182 schwarze 151: struct roff_node *n, *nc, *nn;
1.142 schwarze 152: size_t save_defindent;
1.18 schwarze 153:
154: p = (struct termp *)arg;
1.159 schwarze 155: save_defindent = p->defindent;
156: if (p->synopsisonly == 0 && p->defindent == 0)
157: p->defindent = 7;
1.156 schwarze 158: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.151 schwarze 159: term_tab_set(p, NULL);
160: term_tab_set(p, "T");
161: term_tab_set(p, ".5i");
1.18 schwarze 162:
1.180 schwarze 163: memset(&mt, 0, sizeof(mt));
1.77 schwarze 164: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
165: mt.offset = term_len(p, p->defindent);
1.88 schwarze 166: mt.pardist = 1;
1.11 schwarze 167:
1.134 schwarze 168: n = man->first->child;
1.104 schwarze 169: if (p->synopsisonly) {
1.182 schwarze 170: for (nn = NULL; n != NULL; n = n->next) {
171: if (n->tok != MAN_SH)
172: continue;
173: nc = n->child->child;
174: if (nc->type != ROFFT_TEXT)
175: continue;
176: if (strcmp(nc->string, "SYNOPSIS") == 0)
1.104 schwarze 177: break;
1.182 schwarze 178: if (nn == NULL && strcmp(nc->string, "NAME") == 0)
179: nn = n;
1.104 schwarze 180: }
1.182 schwarze 181: if (n == NULL)
182: n = nn;
183: p->flags |= TERMP_NOSPACE;
184: if (n != NULL && (n = n->child->next->child) != NULL)
185: print_man_nodelist(p, &mt, n, man);
186: term_newln(p);
1.104 schwarze 187: } else {
1.176 schwarze 188: term_begin(p, print_man_head, print_man_foot, man);
1.104 schwarze 189: p->flags |= TERMP_NOSPACE;
190: if (n != NULL)
1.176 schwarze 191: print_man_nodelist(p, &mt, n, man);
1.104 schwarze 192: term_end(p);
193: }
1.159 schwarze 194: p->defindent = save_defindent;
1.1 kristaps 195: }
196:
1.69 schwarze 197: /*
198: * Printing leading vertical space before a block.
199: * This is used for the paragraph macros.
200: * The rules are pretty simple, since there's very little nesting going
201: * on here. Basically, if we're the first within another block (SS/SH),
202: * then don't emit vertical space. If we are (RS), then do. If not the
203: * first, print it.
204: */
1.18 schwarze 205: static void
1.187 ! schwarze 206: print_bvspace(struct termp *p, struct roff_node *n, int pardist)
1.18 schwarze 207: {
1.187 ! schwarze 208: struct roff_node *nch;
! 209: int i;
1.69 schwarze 210:
1.18 schwarze 211: term_newln(p);
1.64 schwarze 212:
1.187 ! schwarze 213: if (n->body != NULL &&
! 214: (nch = roff_node_child(n->body)) != NULL &&
! 215: nch->type == ROFFT_TBL)
! 216: return;
! 217:
! 218: if (n->parent->tok != MAN_RS && roff_node_prev(n) == NULL)
! 219: return;
1.11 schwarze 220:
1.88 schwarze 221: for (i = 0; i < pardist; i++)
222: term_vspace(p);
1.14 schwarze 223: }
224:
1.174 schwarze 225:
226: static int
227: pre_abort(DECL_ARGS)
228: {
229: abort();
230: }
1.100 schwarze 231:
1.14 schwarze 232: static int
233: pre_ign(DECL_ARGS)
234: {
1.138 schwarze 235: return 0;
1.11 schwarze 236: }
237:
1.1 kristaps 238: static int
239: pre_I(DECL_ARGS)
240: {
1.21 schwarze 241: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 242: return 1;
1.1 kristaps 243: }
244:
1.11 schwarze 245: static int
1.45 schwarze 246: pre_literal(DECL_ARGS)
1.11 schwarze 247: {
1.45 schwarze 248: term_newln(p);
1.53 schwarze 249:
1.72 schwarze 250: /*
251: * Unlike .IP and .TP, .HP does not have a HEAD.
252: * So in case a second call to term_flushln() is needed,
253: * indentation has to be set up explicitly.
254: */
1.156 schwarze 255: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
256: p->tcol->offset = p->tcol->rmargin;
257: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 258: p->trailspace = 0;
1.99 schwarze 259: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 260: p->flags |= TERMP_NOSPACE;
261: }
1.138 schwarze 262: return 0;
1.11 schwarze 263: }
264:
265: static int
1.88 schwarze 266: pre_PD(DECL_ARGS)
267: {
1.113 schwarze 268: struct roffsu su;
1.88 schwarze 269:
270: n = n->child;
1.113 schwarze 271: if (n == NULL) {
1.88 schwarze 272: mt->pardist = 1;
1.138 schwarze 273: return 0;
1.88 schwarze 274: }
1.124 schwarze 275: assert(n->type == ROFFT_TEXT);
1.157 schwarze 276: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.113 schwarze 277: mt->pardist = term_vspan(p, &su);
1.138 schwarze 278: return 0;
1.88 schwarze 279: }
280:
281: static int
1.51 schwarze 282: pre_alternate(DECL_ARGS)
1.1 kristaps 283: {
1.51 schwarze 284: enum termfont font[2];
1.125 schwarze 285: struct roff_node *nn;
1.178 schwarze 286: int i;
1.1 kristaps 287:
1.51 schwarze 288: switch (n->tok) {
1.100 schwarze 289: case MAN_RB:
1.51 schwarze 290: font[0] = TERMFONT_NONE;
291: font[1] = TERMFONT_BOLD;
292: break;
1.100 schwarze 293: case MAN_RI:
1.51 schwarze 294: font[0] = TERMFONT_NONE;
295: font[1] = TERMFONT_UNDER;
296: break;
1.100 schwarze 297: case MAN_BR:
1.51 schwarze 298: font[0] = TERMFONT_BOLD;
299: font[1] = TERMFONT_NONE;
300: break;
1.100 schwarze 301: case MAN_BI:
1.51 schwarze 302: font[0] = TERMFONT_BOLD;
303: font[1] = TERMFONT_UNDER;
304: break;
1.100 schwarze 305: case MAN_IR:
1.51 schwarze 306: font[0] = TERMFONT_UNDER;
307: font[1] = TERMFONT_NONE;
308: break;
1.100 schwarze 309: case MAN_IB:
1.51 schwarze 310: font[0] = TERMFONT_UNDER;
311: font[1] = TERMFONT_BOLD;
312: break;
313: default:
314: abort();
315: }
1.178 schwarze 316: for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i = 1 - i) {
1.51 schwarze 317: term_fontrepl(p, font[i]);
1.132 schwarze 318: assert(nn->type == ROFFT_TEXT);
319: term_word(p, nn->string);
1.141 schwarze 320: if (nn->flags & NODE_EOS)
1.183 schwarze 321: p->flags |= TERMP_SENTENCE;
1.180 schwarze 322: if (nn->next != NULL)
1.1 kristaps 323: p->flags |= TERMP_NOSPACE;
324: }
1.138 schwarze 325: return 0;
1.1 kristaps 326: }
327:
328: static int
329: pre_B(DECL_ARGS)
330: {
1.21 schwarze 331: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 332: return 1;
1.82 schwarze 333: }
334:
335: static int
336: pre_OP(DECL_ARGS)
337: {
338: term_word(p, "[");
1.169 schwarze 339: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.82 schwarze 340:
1.180 schwarze 341: if ((n = n->child) != NULL) {
1.82 schwarze 342: term_fontrepl(p, TERMFONT_BOLD);
343: term_word(p, n->string);
344: }
1.180 schwarze 345: if (n != NULL && n->next != NULL) {
1.82 schwarze 346: term_fontrepl(p, TERMFONT_UNDER);
347: term_word(p, n->next->string);
348: }
349: term_fontrepl(p, TERMFONT_NONE);
1.169 schwarze 350: p->flags &= ~TERMP_KEEP;
1.82 schwarze 351: p->flags |= TERMP_NOSPACE;
352: term_word(p, "]");
1.138 schwarze 353: return 0;
1.1 kristaps 354: }
355:
356: static int
1.45 schwarze 357: pre_in(DECL_ARGS)
1.11 schwarze 358: {
1.116 schwarze 359: struct roffsu su;
360: const char *cp;
1.45 schwarze 361: size_t v;
1.116 schwarze 362: int less;
1.45 schwarze 363:
364: term_newln(p);
365:
1.156 schwarze 366: if (n->child == NULL) {
367: p->tcol->offset = mt->offset;
1.138 schwarze 368: return 0;
1.45 schwarze 369: }
1.11 schwarze 370:
1.45 schwarze 371: cp = n->child->string;
372: less = 0;
1.11 schwarze 373:
1.180 schwarze 374: if (*cp == '-')
1.45 schwarze 375: less = -1;
1.180 schwarze 376: else if (*cp == '+')
1.45 schwarze 377: less = 1;
378: else
379: cp--;
380:
1.157 schwarze 381: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.138 schwarze 382: return 0;
1.45 schwarze 383:
1.158 schwarze 384: v = term_hen(p, &su);
1.45 schwarze 385:
386: if (less < 0)
1.156 schwarze 387: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.45 schwarze 388: else if (less > 0)
1.156 schwarze 389: p->tcol->offset += v;
1.100 schwarze 390: else
1.156 schwarze 391: p->tcol->offset = v;
392: if (p->tcol->offset > SHRT_MAX)
393: p->tcol->offset = term_len(p, p->defindent);
1.8 schwarze 394:
1.152 schwarze 395: return 0;
396: }
397:
398: static int
399: pre_DT(DECL_ARGS)
400: {
401: term_tab_set(p, NULL);
402: term_tab_set(p, "T");
403: term_tab_set(p, ".5i");
1.138 schwarze 404: return 0;
1.8 schwarze 405: }
406:
407: static int
1.11 schwarze 408: pre_HP(DECL_ARGS)
409: {
1.116 schwarze 410: struct roffsu su;
1.125 schwarze 411: const struct roff_node *nn;
1.116 schwarze 412: int len;
1.11 schwarze 413:
414: switch (n->type) {
1.124 schwarze 415: case ROFFT_BLOCK:
1.88 schwarze 416: print_bvspace(p, n, mt->pardist);
1.138 schwarze 417: return 1;
1.180 schwarze 418: case ROFFT_HEAD:
419: return 0;
1.124 schwarze 420: case ROFFT_BODY:
1.11 schwarze 421: break;
422: default:
1.180 schwarze 423: abort();
1.11 schwarze 424: }
425:
1.179 schwarze 426: if (n->child == NULL)
427: return 0;
428:
429: if ((n->child->flags & NODE_NOFILL) == 0) {
1.99 schwarze 430: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 431: p->trailspace = 2;
1.84 schwarze 432: }
433:
1.11 schwarze 434: /* Calculate offset. */
435:
1.116 schwarze 436: if ((nn = n->parent->head->child) != NULL &&
1.157 schwarze 437: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 438: len = term_hen(p, &su);
1.117 schwarze 439: if (len < 0 && (size_t)(-len) > mt->offset)
440: len = -mt->offset;
441: else if (len > SHRT_MAX)
442: len = term_len(p, p->defindent);
1.116 schwarze 443: mt->lmargin[mt->lmargincur] = len;
444: } else
445: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 446:
1.156 schwarze 447: p->tcol->offset = mt->offset;
448: p->tcol->rmargin = mt->offset + len;
1.138 schwarze 449: return 1;
1.11 schwarze 450: }
451:
452: static void
453: post_HP(DECL_ARGS)
454: {
455: switch (n->type) {
1.180 schwarze 456: case ROFFT_BLOCK:
457: case ROFFT_HEAD:
458: break;
1.124 schwarze 459: case ROFFT_BODY:
1.90 schwarze 460: term_newln(p);
1.127 schwarze 461:
462: /*
463: * Compatibility with a groff bug.
464: * The .HP macro uses the undocumented .tag request
465: * which causes a line break and cancels no-space
466: * mode even if there isn't any output.
467: */
468:
469: if (n->child == NULL)
470: term_vspace(p);
471:
1.99 schwarze 472: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 473: p->trailspace = 0;
1.156 schwarze 474: p->tcol->offset = mt->offset;
475: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 476: break;
477: default:
1.180 schwarze 478: abort();
1.11 schwarze 479: }
480: }
481:
482: static int
1.1 kristaps 483: pre_PP(DECL_ARGS)
484: {
1.11 schwarze 485: switch (n->type) {
1.124 schwarze 486: case ROFFT_BLOCK:
1.77 schwarze 487: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 488: print_bvspace(p, n, mt->pardist);
1.11 schwarze 489: break;
1.180 schwarze 490: case ROFFT_HEAD:
491: return 0;
492: case ROFFT_BODY:
1.156 schwarze 493: p->tcol->offset = mt->offset;
1.11 schwarze 494: break;
1.180 schwarze 495: default:
496: abort();
1.11 schwarze 497: }
1.180 schwarze 498: return 1;
1.1 kristaps 499: }
500:
501: static int
502: pre_IP(DECL_ARGS)
503: {
1.116 schwarze 504: struct roffsu su;
1.125 schwarze 505: const struct roff_node *nn;
1.178 schwarze 506: int len;
1.11 schwarze 507:
508: switch (n->type) {
1.180 schwarze 509: case ROFFT_BLOCK:
510: print_bvspace(p, n, mt->pardist);
511: return 1;
1.124 schwarze 512: case ROFFT_HEAD:
1.11 schwarze 513: p->flags |= TERMP_NOBREAK;
1.93 schwarze 514: p->trailspace = 1;
1.11 schwarze 515: break;
1.180 schwarze 516: case ROFFT_BODY:
517: p->flags |= TERMP_NOSPACE;
518: break;
1.11 schwarze 519: default:
1.180 schwarze 520: abort();
1.11 schwarze 521: }
522:
1.57 schwarze 523: /* Calculate the offset from the optional second argument. */
1.116 schwarze 524: if ((nn = n->parent->head->child) != NULL &&
525: (nn = nn->next) != NULL &&
1.157 schwarze 526: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 527: len = term_hen(p, &su);
1.116 schwarze 528: if (len < 0 && (size_t)(-len) > mt->offset)
529: len = -mt->offset;
1.117 schwarze 530: else if (len > SHRT_MAX)
531: len = term_len(p, p->defindent);
532: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 533: } else
534: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 535:
536: switch (n->type) {
1.124 schwarze 537: case ROFFT_HEAD:
1.156 schwarze 538: p->tcol->offset = mt->offset;
539: p->tcol->rmargin = mt->offset + len;
1.184 schwarze 540: if (n->child != NULL) {
1.89 schwarze 541: print_man_node(p, mt, n->child, meta);
1.184 schwarze 542: tag_man(p, n->child);
543: }
1.138 schwarze 544: return 0;
1.124 schwarze 545: case ROFFT_BODY:
1.156 schwarze 546: p->tcol->offset = mt->offset + len;
547: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 548: break;
549: default:
1.180 schwarze 550: abort();
1.11 schwarze 551: }
1.138 schwarze 552: return 1;
1.11 schwarze 553: }
1.1 kristaps 554:
1.11 schwarze 555: static void
556: post_IP(DECL_ARGS)
557: {
558: switch (n->type) {
1.180 schwarze 559: case ROFFT_BLOCK:
560: break;
1.124 schwarze 561: case ROFFT_HEAD:
1.11 schwarze 562: term_flushln(p);
563: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 564: p->trailspace = 0;
1.156 schwarze 565: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 566: break;
1.124 schwarze 567: case ROFFT_BODY:
1.57 schwarze 568: term_newln(p);
1.156 schwarze 569: p->tcol->offset = mt->offset;
1.11 schwarze 570: break;
571: default:
1.180 schwarze 572: abort();
1.11 schwarze 573: }
1.1 kristaps 574: }
575:
576: static int
577: pre_TP(DECL_ARGS)
578: {
1.116 schwarze 579: struct roffsu su;
1.125 schwarze 580: struct roff_node *nn;
1.178 schwarze 581: int len;
1.11 schwarze 582:
583: switch (n->type) {
1.180 schwarze 584: case ROFFT_BLOCK:
585: if (n->tok == MAN_TP)
586: print_bvspace(p, n, mt->pardist);
587: return 1;
1.124 schwarze 588: case ROFFT_HEAD:
1.137 schwarze 589: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 590: p->trailspace = 1;
1.11 schwarze 591: break;
1.124 schwarze 592: case ROFFT_BODY:
1.11 schwarze 593: p->flags |= TERMP_NOSPACE;
594: break;
595: default:
1.180 schwarze 596: abort();
1.11 schwarze 597: }
598:
599: /* Calculate offset. */
1.1 kristaps 600:
1.116 schwarze 601: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 602: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.157 schwarze 603: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 604: len = term_hen(p, &su);
1.116 schwarze 605: if (len < 0 && (size_t)(-len) > mt->offset)
606: len = -mt->offset;
1.117 schwarze 607: else if (len > SHRT_MAX)
608: len = term_len(p, p->defindent);
609: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 610: } else
611: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 612:
1.11 schwarze 613: switch (n->type) {
1.124 schwarze 614: case ROFFT_HEAD:
1.156 schwarze 615: p->tcol->offset = mt->offset;
616: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 617:
618: /* Don't print same-line elements. */
1.95 schwarze 619: nn = n->child;
1.180 schwarze 620: while (nn != NULL && (nn->flags & NODE_LINE) == 0)
1.95 schwarze 621: nn = nn->next;
1.185 schwarze 622:
623: if (nn == NULL)
624: return 0;
625:
626: if (nn->type == ROFFT_TEXT)
627: tag_man(p, nn);
628: else if (nn->child != NULL &&
629: nn->child->type == ROFFT_TEXT &&
630: (nn->tok == MAN_B || nn->tok == MAN_BI ||
631: nn->tok == MAN_BR || nn->tok == MAN_I ||
632: nn->tok == MAN_IB || nn->tok == MAN_IR))
633: tag_man(p, nn->child);
1.95 schwarze 634:
1.180 schwarze 635: while (nn != NULL) {
1.95 schwarze 636: print_man_node(p, mt, nn, meta);
637: nn = nn->next;
638: }
1.138 schwarze 639: return 0;
1.124 schwarze 640: case ROFFT_BODY:
1.156 schwarze 641: p->tcol->offset = mt->offset + len;
642: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 643: p->trailspace = 0;
1.137 schwarze 644: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 645: break;
646: default:
1.180 schwarze 647: abort();
1.11 schwarze 648: }
1.138 schwarze 649: return 1;
1.11 schwarze 650: }
1.1 kristaps 651:
1.11 schwarze 652: static void
653: post_TP(DECL_ARGS)
654: {
655: switch (n->type) {
1.180 schwarze 656: case ROFFT_BLOCK:
657: break;
1.124 schwarze 658: case ROFFT_HEAD:
1.11 schwarze 659: term_flushln(p);
660: break;
1.124 schwarze 661: case ROFFT_BODY:
1.57 schwarze 662: term_newln(p);
1.156 schwarze 663: p->tcol->offset = mt->offset;
1.11 schwarze 664: break;
665: default:
1.180 schwarze 666: abort();
1.11 schwarze 667: }
1.1 kristaps 668: }
669:
670: static int
671: pre_SS(DECL_ARGS)
672: {
1.88 schwarze 673: int i;
1.1 kristaps 674:
1.11 schwarze 675: switch (n->type) {
1.124 schwarze 676: case ROFFT_BLOCK:
1.77 schwarze 677: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
678: mt->offset = term_len(p, p->defindent);
1.111 schwarze 679:
680: /*
681: * No vertical space before the first subsection
682: * and after an empty subsection.
683: */
684:
1.187 ! schwarze 685: if ((n = roff_node_prev(n)) == NULL ||
! 686: (n->tok == MAN_SS && roff_node_child(n->body) == NULL))
1.11 schwarze 687: break;
1.111 schwarze 688:
1.88 schwarze 689: for (i = 0; i < mt->pardist; i++)
690: term_vspace(p);
1.11 schwarze 691: break;
1.124 schwarze 692: case ROFFT_HEAD:
1.21 schwarze 693: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 694: p->tcol->offset = term_len(p, 3);
695: p->tcol->rmargin = mt->offset;
1.129 schwarze 696: p->trailspace = mt->offset;
697: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 698: break;
1.124 schwarze 699: case ROFFT_BODY:
1.156 schwarze 700: p->tcol->offset = mt->offset;
701: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 702: p->trailspace = 0;
703: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 704: break;
705: default:
706: break;
707: }
1.138 schwarze 708: return 1;
1.1 kristaps 709: }
710:
711: static int
712: pre_SH(DECL_ARGS)
713: {
1.88 schwarze 714: int i;
1.1 kristaps 715:
1.11 schwarze 716: switch (n->type) {
1.124 schwarze 717: case ROFFT_BLOCK:
1.77 schwarze 718: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
719: mt->offset = term_len(p, p->defindent);
1.111 schwarze 720:
721: /*
722: * No vertical space before the first section
723: * and after an empty section.
724: */
725:
1.187 ! schwarze 726: if ((n = roff_node_prev(n)) == NULL ||
! 727: (n->tok == MAN_SH && roff_node_child(n->body) == NULL))
1.29 schwarze 728: break;
1.111 schwarze 729:
1.88 schwarze 730: for (i = 0; i < mt->pardist; i++)
731: term_vspace(p);
1.11 schwarze 732: break;
1.124 schwarze 733: case ROFFT_HEAD:
1.21 schwarze 734: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 735: p->tcol->offset = 0;
736: p->tcol->rmargin = mt->offset;
1.129 schwarze 737: p->trailspace = mt->offset;
738: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 739: break;
1.124 schwarze 740: case ROFFT_BODY:
1.156 schwarze 741: p->tcol->offset = mt->offset;
742: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 743: p->trailspace = 0;
744: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 745: break;
746: default:
1.180 schwarze 747: abort();
1.11 schwarze 748: }
1.138 schwarze 749: return 1;
1.1 kristaps 750: }
751:
752: static void
753: post_SH(DECL_ARGS)
754: {
1.11 schwarze 755: switch (n->type) {
1.180 schwarze 756: case ROFFT_BLOCK:
757: break;
1.124 schwarze 758: case ROFFT_HEAD:
759: case ROFFT_BODY:
1.11 schwarze 760: term_newln(p);
761: break;
762: default:
1.180 schwarze 763: abort();
1.13 schwarze 764: }
765: }
766:
767: static int
768: pre_RS(DECL_ARGS)
769: {
1.116 schwarze 770: struct roffsu su;
1.13 schwarze 771:
772: switch (n->type) {
1.124 schwarze 773: case ROFFT_BLOCK:
1.13 schwarze 774: term_newln(p);
1.138 schwarze 775: return 1;
1.124 schwarze 776: case ROFFT_HEAD:
1.138 schwarze 777: return 0;
1.180 schwarze 778: case ROFFT_BODY:
779: break;
1.13 schwarze 780: default:
1.180 schwarze 781: abort();
1.13 schwarze 782: }
783:
1.118 schwarze 784: n = n->parent->head;
785: n->aux = SHRT_MAX + 1;
1.130 schwarze 786: if (n->child == NULL)
787: n->aux = mt->lmargin[mt->lmargincur];
1.157 schwarze 788: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.158 schwarze 789: n->aux = term_hen(p, &su);
1.118 schwarze 790: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
791: n->aux = -mt->offset;
792: else if (n->aux > SHRT_MAX)
793: n->aux = term_len(p, p->defindent);
1.13 schwarze 794:
1.118 schwarze 795: mt->offset += n->aux;
1.156 schwarze 796: p->tcol->offset = mt->offset;
797: p->tcol->rmargin = p->maxrmargin;
1.13 schwarze 798:
1.70 schwarze 799: if (++mt->lmarginsz < MAXMARGINS)
800: mt->lmargincur = mt->lmarginsz;
801:
1.131 schwarze 802: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 803: return 1;
1.13 schwarze 804: }
805:
806: static void
807: post_RS(DECL_ARGS)
808: {
809: switch (n->type) {
1.124 schwarze 810: case ROFFT_BLOCK:
811: case ROFFT_HEAD:
1.69 schwarze 812: return;
1.180 schwarze 813: case ROFFT_BODY:
814: break;
1.13 schwarze 815: default:
1.180 schwarze 816: abort();
1.11 schwarze 817: }
1.180 schwarze 818: term_newln(p);
1.118 schwarze 819: mt->offset -= n->parent->head->aux;
1.156 schwarze 820: p->tcol->offset = mt->offset;
1.70 schwarze 821: if (--mt->lmarginsz < MAXMARGINS)
822: mt->lmargincur = mt->lmarginsz;
1.168 schwarze 823: }
824:
825: static int
826: pre_SY(DECL_ARGS)
827: {
828: const struct roff_node *nn;
829: int len;
830:
831: switch (n->type) {
832: case ROFFT_BLOCK:
1.187 ! schwarze 833: if ((nn = roff_node_prev(n)) == NULL || nn->tok != MAN_SY)
1.170 schwarze 834: print_bvspace(p, n, mt->pardist);
1.168 schwarze 835: return 1;
836: case ROFFT_HEAD:
837: case ROFFT_BODY:
838: break;
839: default:
840: abort();
841: }
842:
843: nn = n->parent->head->child;
1.172 schwarze 844: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.168 schwarze 845:
846: switch (n->type) {
847: case ROFFT_HEAD:
848: p->tcol->offset = mt->offset;
849: p->tcol->rmargin = mt->offset + len;
1.181 schwarze 850: if (n->next->child == NULL ||
851: (n->next->child->flags & NODE_NOFILL) == 0)
852: p->flags |= TERMP_NOBREAK;
1.168 schwarze 853: term_fontrepl(p, TERMFONT_BOLD);
854: break;
855: case ROFFT_BODY:
856: mt->lmargin[mt->lmargincur] = len;
857: p->tcol->offset = mt->offset + len;
858: p->tcol->rmargin = p->maxrmargin;
859: p->flags |= TERMP_NOSPACE;
860: break;
861: default:
862: abort();
863: }
864: return 1;
865: }
866:
867: static void
868: post_SY(DECL_ARGS)
869: {
870: switch (n->type) {
1.180 schwarze 871: case ROFFT_BLOCK:
872: break;
1.168 schwarze 873: case ROFFT_HEAD:
874: term_flushln(p);
875: p->flags &= ~TERMP_NOBREAK;
876: break;
877: case ROFFT_BODY:
878: term_newln(p);
879: p->tcol->offset = mt->offset;
880: break;
881: default:
1.180 schwarze 882: abort();
1.168 schwarze 883: }
1.91 schwarze 884: }
885:
886: static int
887: pre_UR(DECL_ARGS)
888: {
1.138 schwarze 889: return n->type != ROFFT_HEAD;
1.91 schwarze 890: }
891:
892: static void
893: post_UR(DECL_ARGS)
894: {
1.124 schwarze 895: if (n->type != ROFFT_BLOCK)
1.91 schwarze 896: return;
897:
898: term_word(p, "<");
899: p->flags |= TERMP_NOSPACE;
900:
1.180 schwarze 901: if (n->child->child != NULL)
1.91 schwarze 902: print_man_node(p, mt, n->child->child, meta);
903:
904: p->flags |= TERMP_NOSPACE;
905: term_word(p, ">");
1.47 schwarze 906: }
907:
1.1 kristaps 908: static void
1.19 schwarze 909: print_man_node(DECL_ARGS)
1.1 kristaps 910: {
1.167 schwarze 911: const struct man_term_act *act;
912: int c;
1.1 kristaps 913:
914: switch (n->type) {
1.124 schwarze 915: case ROFFT_TEXT:
1.61 schwarze 916: /*
917: * If we have a blank line, output a vertical space.
918: * If we have a space as the first character, break
919: * before printing the line's data.
920: */
1.153 schwarze 921: if (*n->string == '\0') {
1.160 schwarze 922: if (p->flags & TERMP_NONEWLINE)
923: term_newln(p);
924: else
925: term_vspace(p);
1.61 schwarze 926: return;
1.153 schwarze 927: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
928: (p->flags & TERMP_NONEWLINE) == 0)
1.60 schwarze 929: term_newln(p);
1.165 schwarze 930: else if (n->flags & NODE_DELIMC)
931: p->flags |= TERMP_NOSPACE;
1.21 schwarze 932:
1.1 kristaps 933: term_word(p, n->string);
1.84 schwarze 934: goto out;
1.163 schwarze 935: case ROFFT_COMMENT:
936: return;
1.124 schwarze 937: case ROFFT_EQN:
1.141 schwarze 938: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 939: p->flags |= TERMP_NOSPACE;
1.71 schwarze 940: term_eqn(p, n->eqn);
1.141 schwarze 941: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 942: p->flags |= TERMP_NOSPACE;
1.61 schwarze 943: return;
1.124 schwarze 944: case ROFFT_TBL:
1.122 schwarze 945: if (p->tbl.cols == NULL)
946: term_vspace(p);
1.58 schwarze 947: term_tbl(p, n->span);
1.61 schwarze 948: return;
1.1 kristaps 949: default:
950: break;
951: }
1.177 schwarze 952:
1.146 schwarze 953: if (n->tok < ROFF_MAX) {
1.147 schwarze 954: roff_term_pre(p, n);
1.146 schwarze 955: return;
956: }
957:
1.167 schwarze 958: act = man_term_act(n->tok);
1.173 schwarze 959: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 960: term_fontrepl(p, TERMFONT_NONE);
961:
962: c = 1;
1.167 schwarze 963: if (act->pre != NULL)
964: c = (*act->pre)(p, mt, n, meta);
1.61 schwarze 965:
1.180 schwarze 966: if (c && n->child != NULL)
1.89 schwarze 967: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 968:
1.167 schwarze 969: if (act->post != NULL)
970: (*act->post)(p, mt, n, meta);
1.173 schwarze 971: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 972: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 973:
1.84 schwarze 974: out:
975: /*
976: * If we're in a literal context, make sure that words
977: * together on the same line stay together. This is a
978: * POST-printing call, so we check the NEXT word. Since
979: * -man doesn't have nested macros, we don't need to be
980: * more specific than this.
981: */
1.178 schwarze 982: if (n->flags & NODE_NOFILL &&
1.110 schwarze 983: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 984: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.155 schwarze 985: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.110 schwarze 986: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 987: term_flushln(p);
988: else
989: term_newln(p);
1.155 schwarze 990: p->flags &= ~TERMP_BRNEVER;
1.156 schwarze 991: if (p->tcol->rmargin < p->maxrmargin &&
992: n->parent->tok == MAN_HP) {
993: p->tcol->offset = p->tcol->rmargin;
994: p->tcol->rmargin = p->maxrmargin;
1.155 schwarze 995: }
1.84 schwarze 996: }
1.180 schwarze 997: if (n->flags & NODE_EOS)
1.30 schwarze 998: p->flags |= TERMP_SENTENCE;
1.1 kristaps 999: }
1000:
1001: static void
1.21 schwarze 1002: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1003: {
1.121 schwarze 1004: while (n != NULL) {
1005: print_man_node(p, mt, n, meta);
1006: n = n->next;
1007: }
1.1 kristaps 1008: }
1009:
1010: static void
1.126 schwarze 1011: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1012: {
1.101 schwarze 1013: char *title;
1.109 schwarze 1014: size_t datelen, titlen;
1.41 schwarze 1015:
1.80 schwarze 1016: assert(meta->title);
1017: assert(meta->msec);
1018: assert(meta->date);
1.21 schwarze 1019:
1020: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1021:
1.103 schwarze 1022: if (meta->hasbody)
1023: term_vspace(p);
1.81 schwarze 1024:
1025: /*
1026: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1027: * In the bottom right corner, use the operating system
1028: * instead of the title.
1.81 schwarze 1029: */
1030:
1.79 schwarze 1031: if ( ! p->mdocstyle) {
1.103 schwarze 1032: if (meta->hasbody) {
1033: term_vspace(p);
1034: term_vspace(p);
1035: }
1.101 schwarze 1036: mandoc_asprintf(&title, "%s(%s)",
1037: meta->title, meta->msec);
1.180 schwarze 1038: } else if (meta->os != NULL) {
1.126 schwarze 1039: title = mandoc_strdup(meta->os);
1.79 schwarze 1040: } else {
1.101 schwarze 1041: title = mandoc_strdup("");
1.79 schwarze 1042: }
1.78 schwarze 1043: datelen = term_strlen(p, meta->date);
1.1 kristaps 1044:
1.126 schwarze 1045: /* Bottom left corner: operating system. */
1.81 schwarze 1046:
1.1 kristaps 1047: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1048: p->trailspace = 1;
1.156 schwarze 1049: p->tcol->offset = 0;
1050: p->tcol->rmargin = p->maxrmargin > datelen ?
1.109 schwarze 1051: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1052:
1.126 schwarze 1053: if (meta->os)
1054: term_word(p, meta->os);
1.1 kristaps 1055: term_flushln(p);
1056:
1.81 schwarze 1057: /* At the bottom in the middle: manual date. */
1058:
1.156 schwarze 1059: p->tcol->offset = p->tcol->rmargin;
1.109 schwarze 1060: titlen = term_strlen(p, title);
1.156 schwarze 1061: p->tcol->rmargin = p->maxrmargin > titlen ?
1062: p->maxrmargin - titlen : 0;
1.72 schwarze 1063: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1064:
1065: term_word(p, meta->date);
1066: term_flushln(p);
1067:
1.81 schwarze 1068: /* Bottom right corner: manual title and section. */
1069:
1.78 schwarze 1070: p->flags &= ~TERMP_NOBREAK;
1071: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1072: p->trailspace = 0;
1.156 schwarze 1073: p->tcol->offset = p->tcol->rmargin;
1074: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1075:
1.78 schwarze 1076: term_word(p, title);
1.1 kristaps 1077: term_flushln(p);
1.164 schwarze 1078:
1079: /*
1080: * Reset the terminal state for more output after the footer:
1081: * Some output modes, in particular PostScript and PDF, print
1082: * the header and the footer into a buffer such that it can be
1083: * reused for multiple output pages, then go on to format the
1084: * main text.
1085: */
1086:
1087: p->tcol->offset = 0;
1088: p->flags = 0;
1089:
1.101 schwarze 1090: free(title);
1.1 kristaps 1091: }
1092:
1093: static void
1.126 schwarze 1094: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1095: {
1.102 schwarze 1096: const char *volume;
1.101 schwarze 1097: char *title;
1.102 schwarze 1098: size_t vollen, titlen;
1.41 schwarze 1099:
1.89 schwarze 1100: assert(meta->title);
1101: assert(meta->msec);
1.1 kristaps 1102:
1.102 schwarze 1103: volume = NULL == meta->vol ? "" : meta->vol;
1104: vollen = term_strlen(p, volume);
1.1 kristaps 1105:
1.81 schwarze 1106: /* Top left corner: manual title and section. */
1107:
1.101 schwarze 1108: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1109: titlen = term_strlen(p, title);
1.1 kristaps 1110:
1.73 schwarze 1111: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1112: p->trailspace = 1;
1.156 schwarze 1113: p->tcol->offset = 0;
1114: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.102 schwarze 1115: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1116: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1117:
1118: term_word(p, title);
1119: term_flushln(p);
1120:
1.81 schwarze 1121: /* At the top in the middle: manual volume. */
1122:
1.72 schwarze 1123: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1124: p->tcol->offset = p->tcol->rmargin;
1125: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1126: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1127:
1.102 schwarze 1128: term_word(p, volume);
1.1 kristaps 1129: term_flushln(p);
1130:
1.81 schwarze 1131: /* Top right corner: title and section, again. */
1132:
1.1 kristaps 1133: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1134: p->trailspace = 0;
1.156 schwarze 1135: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1136: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1137: p->tcol->offset = p->tcol->rmargin;
1138: p->tcol->rmargin = p->maxrmargin;
1.25 schwarze 1139: term_word(p, title);
1140: term_flushln(p);
1141: }
1.1 kristaps 1142:
1.73 schwarze 1143: p->flags &= ~TERMP_NOSPACE;
1.156 schwarze 1144: p->tcol->offset = 0;
1145: p->tcol->rmargin = p->maxrmargin;
1.29 schwarze 1146:
1.100 schwarze 1147: /*
1.81 schwarze 1148: * Groff prints three blank lines before the content.
1149: * Do the same, except in the temporary, undocumented
1150: * mode imitating mdoc(7) output.
1.29 schwarze 1151: */
1152:
1153: term_vspace(p);
1.79 schwarze 1154: if ( ! p->mdocstyle) {
1155: term_vspace(p);
1156: term_vspace(p);
1157: }
1.101 schwarze 1158: free(title);
1.184 schwarze 1159: }
1160:
1161: /*
1162: * Skip leading whitespace, dashes, backslashes, and font escapes,
1163: * then create a tag if the first following byte is a letter.
1164: * Priority is high unless whitespace is present.
1165: */
1166: static void
1167: tag_man(struct termp *p, struct roff_node *n)
1168: {
1169: const char *cp, *arg;
1170: int prio, sz;
1171:
1172: assert(n->type == ROFFT_TEXT);
1173: cp = n->string;
1.186 schwarze 1174: prio = TAG_STRONG;
1.184 schwarze 1175: for (;;) {
1176: switch (*cp) {
1177: case ' ':
1178: case '\t':
1.186 schwarze 1179: prio = TAG_WEAK;
1.184 schwarze 1180: /* FALLTHROUGH */
1181: case '-':
1182: cp++;
1183: break;
1184: case '\\':
1185: cp++;
1186: switch (mandoc_escape(&cp, &arg, &sz)) {
1187: case ESCAPE_FONT:
1188: case ESCAPE_FONTROMAN:
1189: case ESCAPE_FONTITALIC:
1190: case ESCAPE_FONTBOLD:
1191: case ESCAPE_FONTPREV:
1192: case ESCAPE_FONTBI:
1193: break;
1194: case ESCAPE_SPECIAL:
1195: if (sz != 1)
1196: return;
1197: switch (*arg) {
1198: case '&':
1199: case '-':
1200: case 'e':
1201: break;
1202: default:
1203: return;
1204: }
1205: break;
1206: default:
1207: return;
1208: }
1209: break;
1210: default:
1211: if (isalpha((unsigned char)*cp))
1212: tag_put(cp, prio, p->line);
1213: return;
1214: }
1215: }
1.1 kristaps 1216: }
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