Annotation of mandoc/man_term.c, Revision 1.223
1.223 ! schwarze 1: /* $Id: man_term.c,v 1.222 2018/12/13 11:55:46 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.210 schwarze 4: * Copyright (c) 2010-2015, 2017, 2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 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: *
1.171 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.171 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 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: */
1.55 kristaps 18: #include "config.h"
19:
1.28 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.18 kristaps 23: #include <ctype.h>
1.164 schwarze 24: #include <limits.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.171 schwarze 29: #include "mandoc_aux.h"
30: #include "roff.h"
31: #include "man.h"
1.40 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
1.36 kristaps 34: #include "main.h"
1.1 kristaps 35:
1.116 schwarze 36: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.18 kristaps 37:
1.24 kristaps 38: struct mtermp {
39: int fl;
1.19 kristaps 40: #define MANT_LITERAL (1 << 0)
1.163 schwarze 41: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.116 schwarze 42: int lmargincur; /* index of current margin */
43: int lmarginsz; /* actual number of nested margins */
44: size_t offset; /* default offset to visible page */
1.134 schwarze 45: int pardist; /* vert. space before par., unit: [v] */
1.24 kristaps 46: };
1.19 kristaps 47:
1.146 schwarze 48: #define DECL_ARGS struct termp *p, \
1.24 kristaps 49: struct mtermp *mt, \
1.172 schwarze 50: struct roff_node *n, \
1.173 schwarze 51: const struct roff_meta *meta
1.1 kristaps 52:
1.214 schwarze 53: struct man_term_act {
1.1 kristaps 54: int (*pre)(DECL_ARGS);
55: void (*post)(DECL_ARGS);
1.56 kristaps 56: int flags;
57: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 58: };
59:
1.52 kristaps 60: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 61: static void print_man_node(DECL_ARGS);
1.173 schwarze 62: static void print_man_head(struct termp *,
63: const struct roff_meta *);
64: static void print_man_foot(struct termp *,
65: const struct roff_meta *);
1.146 schwarze 66: static void print_bvspace(struct termp *,
1.172 schwarze 67: const struct roff_node *, int);
1.39 kristaps 68:
1.1 kristaps 69: static int pre_B(DECL_ARGS);
1.199 schwarze 70: static int pre_DT(DECL_ARGS);
1.19 kristaps 71: static int pre_HP(DECL_ARGS);
1.1 kristaps 72: static int pre_I(DECL_ARGS);
1.4 kristaps 73: static int pre_IP(DECL_ARGS);
1.127 kristaps 74: static int pre_OP(DECL_ARGS);
1.134 schwarze 75: static int pre_PD(DECL_ARGS);
1.1 kristaps 76: static int pre_PP(DECL_ARGS);
1.26 kristaps 77: static int pre_RS(DECL_ARGS);
1.1 kristaps 78: static int pre_SH(DECL_ARGS);
79: static int pre_SS(DECL_ARGS);
1.215 schwarze 80: static int pre_SY(DECL_ARGS);
1.1 kristaps 81: static int pre_TP(DECL_ARGS);
1.137 schwarze 82: static int pre_UR(DECL_ARGS);
1.221 schwarze 83: static int pre_abort(DECL_ARGS);
1.127 kristaps 84: static int pre_alternate(DECL_ARGS);
1.29 kristaps 85: static int pre_ign(DECL_ARGS);
1.83 kristaps 86: static int pre_in(DECL_ARGS);
1.84 kristaps 87: static int pre_literal(DECL_ARGS);
1.1 kristaps 88:
1.22 kristaps 89: static void post_IP(DECL_ARGS);
1.20 kristaps 90: static void post_HP(DECL_ARGS);
1.26 kristaps 91: static void post_RS(DECL_ARGS);
1.1 kristaps 92: static void post_SH(DECL_ARGS);
93: static void post_SS(DECL_ARGS);
1.215 schwarze 94: static void post_SY(DECL_ARGS);
1.21 kristaps 95: static void post_TP(DECL_ARGS);
1.137 schwarze 96: static void post_UR(DECL_ARGS);
1.1 kristaps 97:
1.214 schwarze 98: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.56 kristaps 99: { NULL, NULL, 0 }, /* TH */
100: { pre_SH, post_SH, 0 }, /* SH */
101: { pre_SS, post_SS, 0 }, /* SS */
102: { pre_TP, post_TP, 0 }, /* TP */
1.213 schwarze 103: { pre_TP, post_TP, 0 }, /* TQ */
1.221 schwarze 104: { pre_abort, NULL, 0 }, /* LP */
1.56 kristaps 105: { pre_PP, NULL, 0 }, /* PP */
1.221 schwarze 106: { pre_abort, NULL, 0 }, /* P */
1.56 kristaps 107: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 108: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 109: { NULL, NULL, 0 }, /* SM */
110: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 111: { pre_alternate, NULL, 0 }, /* BI */
112: { pre_alternate, NULL, 0 }, /* IB */
113: { pre_alternate, NULL, 0 }, /* BR */
114: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 115: { NULL, NULL, 0 }, /* R */
116: { pre_B, NULL, 0 }, /* B */
117: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 118: { pre_alternate, NULL, 0 }, /* IR */
119: { pre_alternate, NULL, 0 }, /* RI */
1.218 schwarze 120: { pre_literal, NULL, MAN_NOTEXT }, /* nf */
121: { pre_literal, NULL, MAN_NOTEXT }, /* fi */
1.56 kristaps 122: { NULL, NULL, 0 }, /* RE */
123: { pre_RS, post_RS, 0 }, /* RS */
1.199 schwarze 124: { pre_DT, NULL, 0 }, /* DT */
1.158 schwarze 125: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 126: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 127: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 128: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.215 schwarze 129: { pre_SY, post_SY, 0 }, /* SY */
130: { NULL, NULL, 0 }, /* YS */
1.127 kristaps 131: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 132: { pre_literal, NULL, 0 }, /* EX */
133: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 134: { pre_UR, post_UR, 0 }, /* UR */
135: { NULL, NULL, 0 }, /* UE */
1.208 schwarze 136: { pre_UR, post_UR, 0 }, /* MT */
137: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 138: };
1.214 schwarze 139: static const struct man_term_act *man_term_act(enum roff_tok);
1.1 kristaps 140:
141:
1.214 schwarze 142: static const struct man_term_act *
143: man_term_act(enum roff_tok tok)
144: {
145: assert(tok >= MAN_TH && tok <= MAN_MAX);
146: return man_term_acts + (tok - MAN_TH);
147: }
148:
1.31 kristaps 149: void
1.223 ! schwarze 150: terminal_man(void *arg, const struct roff_meta *man)
1.1 kristaps 151: {
1.36 kristaps 152: struct termp *p;
1.172 schwarze 153: struct roff_node *n;
1.36 kristaps 154: struct mtermp mt;
1.189 schwarze 155: size_t save_defindent;
1.36 kristaps 156:
157: p = (struct termp *)arg;
1.206 schwarze 158: save_defindent = p->defindent;
159: if (p->synopsisonly == 0 && p->defindent == 0)
160: p->defindent = 7;
1.203 schwarze 161: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.198 schwarze 162: term_tab_set(p, NULL);
163: term_tab_set(p, "T");
164: term_tab_set(p, ".5i");
1.36 kristaps 165:
1.116 schwarze 166: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 167: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
168: mt.offset = term_len(p, p->defindent);
1.134 schwarze 169: mt.pardist = 1;
1.24 kristaps 170:
1.181 schwarze 171: n = man->first->child;
1.151 schwarze 172: if (p->synopsisonly) {
173: while (n != NULL) {
174: if (n->tok == MAN_SH &&
1.171 schwarze 175: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 176: !strcmp(n->child->child->string, "SYNOPSIS")) {
177: if (n->child->next->child != NULL)
178: print_man_nodelist(p, &mt,
1.223 ! schwarze 179: n->child->next->child, man);
1.151 schwarze 180: term_newln(p);
181: break;
182: }
183: n = n->next;
184: }
185: } else {
1.223 ! schwarze 186: term_begin(p, print_man_head, print_man_foot, man);
1.151 schwarze 187: p->flags |= TERMP_NOSPACE;
188: if (n != NULL)
1.223 ! schwarze 189: print_man_nodelist(p, &mt, n, man);
1.151 schwarze 190: term_end(p);
191: }
1.206 schwarze 192: p->defindent = save_defindent;
1.1 kristaps 193: }
194:
1.111 kristaps 195: /*
196: * Printing leading vertical space before a block.
197: * This is used for the paragraph macros.
198: * The rules are pretty simple, since there's very little nesting going
199: * on here. Basically, if we're the first within another block (SS/SH),
200: * then don't emit vertical space. If we are (RS), then do. If not the
201: * first, print it.
202: */
1.39 kristaps 203: static void
1.172 schwarze 204: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 205: {
1.134 schwarze 206: int i;
1.111 kristaps 207:
1.39 kristaps 208: term_newln(p);
1.101 schwarze 209:
1.111 kristaps 210: if (n->body && n->body->child)
1.171 schwarze 211: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 212: return;
213:
1.171 schwarze 214: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 215: if (NULL == n->prev)
216: return;
1.18 kristaps 217:
1.134 schwarze 218: for (i = 0; i < pardist; i++)
219: term_vspace(p);
1.18 kristaps 220: }
221:
1.221 schwarze 222:
223: static int
224: pre_abort(DECL_ARGS)
225: {
226: abort();
227: }
1.146 schwarze 228:
1.1 kristaps 229: static int
1.29 kristaps 230: pre_ign(DECL_ARGS)
231: {
232:
1.185 schwarze 233: return 0;
1.29 kristaps 234: }
235:
236: static int
1.1 kristaps 237: pre_I(DECL_ARGS)
238: {
239:
1.52 kristaps 240: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 241: return 1;
1.19 kristaps 242: }
243:
1.3 kristaps 244: static int
1.84 kristaps 245: pre_literal(DECL_ARGS)
1.19 kristaps 246: {
247:
1.81 kristaps 248: term_newln(p);
1.88 kristaps 249:
1.203 schwarze 250: if (n->tok == MAN_nf || n->tok == MAN_EX)
1.84 kristaps 251: mt->fl |= MANT_LITERAL;
1.88 kristaps 252: else
1.84 kristaps 253: mt->fl &= ~MANT_LITERAL;
254:
1.117 schwarze 255: /*
256: * Unlike .IP and .TP, .HP does not have a HEAD.
257: * So in case a second call to term_flushln() is needed,
258: * indentation has to be set up explicitly.
259: */
1.203 schwarze 260: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
261: p->tcol->offset = p->tcol->rmargin;
262: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 263: p->trailspace = 0;
1.145 schwarze 264: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 265: p->flags |= TERMP_NOSPACE;
266: }
267:
1.185 schwarze 268: return 0;
1.19 kristaps 269: }
270:
271: static int
1.134 schwarze 272: pre_PD(DECL_ARGS)
273: {
1.160 schwarze 274: struct roffsu su;
1.134 schwarze 275:
276: n = n->child;
1.160 schwarze 277: if (n == NULL) {
1.134 schwarze 278: mt->pardist = 1;
1.185 schwarze 279: return 0;
1.134 schwarze 280: }
1.171 schwarze 281: assert(n->type == ROFFT_TEXT);
1.204 schwarze 282: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.160 schwarze 283: mt->pardist = term_vspan(p, &su);
1.185 schwarze 284: return 0;
1.134 schwarze 285: }
286:
287: static int
1.88 kristaps 288: pre_alternate(DECL_ARGS)
1.3 kristaps 289: {
1.88 kristaps 290: enum termfont font[2];
1.172 schwarze 291: struct roff_node *nn;
1.88 kristaps 292: int savelit, i;
1.3 kristaps 293:
1.88 kristaps 294: switch (n->tok) {
1.146 schwarze 295: case MAN_RB:
1.88 kristaps 296: font[0] = TERMFONT_NONE;
297: font[1] = TERMFONT_BOLD;
298: break;
1.146 schwarze 299: case MAN_RI:
1.88 kristaps 300: font[0] = TERMFONT_NONE;
301: font[1] = TERMFONT_UNDER;
302: break;
1.146 schwarze 303: case MAN_BR:
1.88 kristaps 304: font[0] = TERMFONT_BOLD;
305: font[1] = TERMFONT_NONE;
306: break;
1.146 schwarze 307: case MAN_BI:
1.88 kristaps 308: font[0] = TERMFONT_BOLD;
309: font[1] = TERMFONT_UNDER;
310: break;
1.146 schwarze 311: case MAN_IR:
1.88 kristaps 312: font[0] = TERMFONT_UNDER;
313: font[1] = TERMFONT_NONE;
314: break;
1.146 schwarze 315: case MAN_IB:
1.88 kristaps 316: font[0] = TERMFONT_UNDER;
317: font[1] = TERMFONT_BOLD;
318: break;
319: default:
320: abort();
321: }
1.35 kristaps 322:
1.88 kristaps 323: savelit = MANT_LITERAL & mt->fl;
324: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 325:
1.88 kristaps 326: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
327: term_fontrepl(p, font[i]);
328: if (savelit && NULL == nn->next)
329: mt->fl |= MANT_LITERAL;
1.179 schwarze 330: assert(nn->type == ROFFT_TEXT);
331: term_word(p, nn->string);
1.188 schwarze 332: if (nn->flags & NODE_EOS)
1.179 schwarze 333: p->flags |= TERMP_SENTENCE;
1.88 kristaps 334: if (nn->next)
1.4 kristaps 335: p->flags |= TERMP_NOSPACE;
1.3 kristaps 336: }
337:
1.185 schwarze 338: return 0;
1.3 kristaps 339: }
340:
1.1 kristaps 341: static int
342: pre_B(DECL_ARGS)
343: {
344:
1.52 kristaps 345: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 346: return 1;
1.127 kristaps 347: }
348:
349: static int
350: pre_OP(DECL_ARGS)
351: {
352:
353: term_word(p, "[");
1.216 schwarze 354: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.127 kristaps 355:
356: if (NULL != (n = n->child)) {
357: term_fontrepl(p, TERMFONT_BOLD);
358: term_word(p, n->string);
359: }
360: if (NULL != n && NULL != n->next) {
361: term_fontrepl(p, TERMFONT_UNDER);
362: term_word(p, n->next->string);
363: }
364:
365: term_fontrepl(p, TERMFONT_NONE);
1.216 schwarze 366: p->flags &= ~TERMP_KEEP;
1.127 kristaps 367: p->flags |= TERMP_NOSPACE;
368: term_word(p, "]");
1.185 schwarze 369: return 0;
1.83 kristaps 370: }
371:
372: static int
373: pre_in(DECL_ARGS)
374: {
1.163 schwarze 375: struct roffsu su;
376: const char *cp;
1.83 kristaps 377: size_t v;
1.163 schwarze 378: int less;
1.83 kristaps 379:
380: term_newln(p);
381:
1.203 schwarze 382: if (n->child == NULL) {
383: p->tcol->offset = mt->offset;
1.185 schwarze 384: return 0;
1.83 kristaps 385: }
386:
387: cp = n->child->string;
388: less = 0;
389:
390: if ('-' == *cp)
391: less = -1;
392: else if ('+' == *cp)
393: less = 1;
394: else
395: cp--;
396:
1.204 schwarze 397: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.185 schwarze 398: return 0;
1.83 kristaps 399:
1.205 schwarze 400: v = term_hen(p, &su);
1.83 kristaps 401:
402: if (less < 0)
1.203 schwarze 403: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.83 kristaps 404: else if (less > 0)
1.203 schwarze 405: p->tcol->offset += v;
1.146 schwarze 406: else
1.203 schwarze 407: p->tcol->offset = v;
408: if (p->tcol->offset > SHRT_MAX)
409: p->tcol->offset = term_len(p, p->defindent);
1.19 kristaps 410:
1.199 schwarze 411: return 0;
412: }
413:
414: static int
415: pre_DT(DECL_ARGS)
416: {
417: term_tab_set(p, NULL);
418: term_tab_set(p, "T");
419: term_tab_set(p, ".5i");
1.185 schwarze 420: return 0;
1.15 kristaps 421: }
422:
423: static int
1.19 kristaps 424: pre_HP(DECL_ARGS)
425: {
1.163 schwarze 426: struct roffsu su;
1.172 schwarze 427: const struct roff_node *nn;
1.163 schwarze 428: int len;
1.19 kristaps 429:
1.20 kristaps 430: switch (n->type) {
1.171 schwarze 431: case ROFFT_BLOCK:
1.134 schwarze 432: print_bvspace(p, n, mt->pardist);
1.185 schwarze 433: return 1;
1.171 schwarze 434: case ROFFT_BODY:
1.20 kristaps 435: break;
436: default:
1.185 schwarze 437: return 0;
1.20 kristaps 438: }
439:
1.130 schwarze 440: if ( ! (MANT_LITERAL & mt->fl)) {
1.145 schwarze 441: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 442: p->trailspace = 2;
1.130 schwarze 443: }
444:
1.24 kristaps 445: /* Calculate offset. */
446:
1.163 schwarze 447: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 448: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 449: len = term_hen(p, &su);
1.164 schwarze 450: if (len < 0 && (size_t)(-len) > mt->offset)
451: len = -mt->offset;
452: else if (len > SHRT_MAX)
453: len = term_len(p, p->defindent);
1.163 schwarze 454: mt->lmargin[mt->lmargincur] = len;
455: } else
456: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 457:
1.203 schwarze 458: p->tcol->offset = mt->offset;
459: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 460: return 1;
1.19 kristaps 461: }
462:
1.20 kristaps 463: static void
464: post_HP(DECL_ARGS)
465: {
466:
467: switch (n->type) {
1.171 schwarze 468: case ROFFT_BODY:
1.136 schwarze 469: term_newln(p);
1.174 schwarze 470:
471: /*
472: * Compatibility with a groff bug.
473: * The .HP macro uses the undocumented .tag request
474: * which causes a line break and cancels no-space
475: * mode even if there isn't any output.
476: */
477:
478: if (n->child == NULL)
479: term_vspace(p);
480:
1.145 schwarze 481: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 482: p->trailspace = 0;
1.203 schwarze 483: p->tcol->offset = mt->offset;
484: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 485: break;
486: default:
487: break;
488: }
489: }
490:
1.19 kristaps 491: static int
1.1 kristaps 492: pre_PP(DECL_ARGS)
493: {
494:
1.19 kristaps 495: switch (n->type) {
1.171 schwarze 496: case ROFFT_BLOCK:
1.122 schwarze 497: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 498: print_bvspace(p, n, mt->pardist);
1.19 kristaps 499: break;
500: default:
1.203 schwarze 501: p->tcol->offset = mt->offset;
1.19 kristaps 502: break;
503: }
504:
1.185 schwarze 505: return n->type != ROFFT_HEAD;
1.1 kristaps 506: }
507:
508: static int
1.4 kristaps 509: pre_IP(DECL_ARGS)
510: {
1.163 schwarze 511: struct roffsu su;
1.172 schwarze 512: const struct roff_node *nn;
1.163 schwarze 513: int len, savelit;
1.18 kristaps 514:
1.22 kristaps 515: switch (n->type) {
1.171 schwarze 516: case ROFFT_BODY:
1.22 kristaps 517: p->flags |= TERMP_NOSPACE;
518: break;
1.171 schwarze 519: case ROFFT_HEAD:
1.22 kristaps 520: p->flags |= TERMP_NOBREAK;
1.139 schwarze 521: p->trailspace = 1;
1.22 kristaps 522: break;
1.171 schwarze 523: case ROFFT_BLOCK:
1.134 schwarze 524: print_bvspace(p, n, mt->pardist);
1.23 kristaps 525: /* FALLTHROUGH */
1.22 kristaps 526: default:
1.185 schwarze 527: return 1;
1.22 kristaps 528: }
1.18 kristaps 529:
1.94 schwarze 530: /* Calculate the offset from the optional second argument. */
1.163 schwarze 531: if ((nn = n->parent->head->child) != NULL &&
532: (nn = nn->next) != NULL &&
1.204 schwarze 533: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 534: len = term_hen(p, &su);
1.163 schwarze 535: if (len < 0 && (size_t)(-len) > mt->offset)
536: len = -mt->offset;
1.164 schwarze 537: else if (len > SHRT_MAX)
538: len = term_len(p, p->defindent);
539: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 540: } else
541: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 542:
1.22 kristaps 543: switch (n->type) {
1.171 schwarze 544: case ROFFT_HEAD:
1.203 schwarze 545: p->tcol->offset = mt->offset;
546: p->tcol->rmargin = mt->offset + len;
1.18 kristaps 547:
1.94 schwarze 548: savelit = MANT_LITERAL & mt->fl;
549: mt->fl &= ~MANT_LITERAL;
550:
551: if (n->child)
1.135 schwarze 552: print_man_node(p, mt, n->child, meta);
1.94 schwarze 553:
554: if (savelit)
555: mt->fl |= MANT_LITERAL;
556:
1.185 schwarze 557: return 0;
1.171 schwarze 558: case ROFFT_BODY:
1.203 schwarze 559: p->tcol->offset = mt->offset + len;
560: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 561: break;
1.22 kristaps 562: default:
563: break;
1.18 kristaps 564: }
565:
1.185 schwarze 566: return 1;
1.22 kristaps 567: }
1.18 kristaps 568:
1.22 kristaps 569: static void
570: post_IP(DECL_ARGS)
571: {
1.4 kristaps 572:
1.22 kristaps 573: switch (n->type) {
1.171 schwarze 574: case ROFFT_HEAD:
1.22 kristaps 575: term_flushln(p);
576: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 577: p->trailspace = 0;
1.203 schwarze 578: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 579: break;
1.171 schwarze 580: case ROFFT_BODY:
1.94 schwarze 581: term_newln(p);
1.203 schwarze 582: p->tcol->offset = mt->offset;
1.22 kristaps 583: break;
584: default:
585: break;
586: }
1.4 kristaps 587: }
588:
589: static int
1.1 kristaps 590: pre_TP(DECL_ARGS)
591: {
1.163 schwarze 592: struct roffsu su;
1.172 schwarze 593: struct roff_node *nn;
1.163 schwarze 594: int len, savelit;
1.1 kristaps 595:
1.21 kristaps 596: switch (n->type) {
1.171 schwarze 597: case ROFFT_HEAD:
1.184 schwarze 598: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 599: p->trailspace = 1;
1.21 kristaps 600: break;
1.171 schwarze 601: case ROFFT_BODY:
1.21 kristaps 602: p->flags |= TERMP_NOSPACE;
1.23 kristaps 603: break;
1.171 schwarze 604: case ROFFT_BLOCK:
1.213 schwarze 605: if (n->tok == MAN_TP)
606: print_bvspace(p, n, mt->pardist);
1.23 kristaps 607: /* FALLTHROUGH */
608: default:
1.185 schwarze 609: return 1;
1.23 kristaps 610: }
611:
612: /* Calculate offset. */
613:
1.163 schwarze 614: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 615: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 616: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 617: len = term_hen(p, &su);
1.163 schwarze 618: if (len < 0 && (size_t)(-len) > mt->offset)
619: len = -mt->offset;
1.164 schwarze 620: else if (len > SHRT_MAX)
621: len = term_len(p, p->defindent);
622: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 623: } else
624: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 625:
626: switch (n->type) {
1.171 schwarze 627: case ROFFT_HEAD:
1.203 schwarze 628: p->tcol->offset = mt->offset;
629: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 630:
1.94 schwarze 631: savelit = MANT_LITERAL & mt->fl;
632: mt->fl &= ~MANT_LITERAL;
633:
1.23 kristaps 634: /* Don't print same-line elements. */
1.141 schwarze 635: nn = n->child;
1.188 schwarze 636: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 637: nn = nn->next;
638:
639: while (NULL != nn) {
640: print_man_node(p, mt, nn, meta);
641: nn = nn->next;
642: }
1.24 kristaps 643:
1.94 schwarze 644: if (savelit)
645: mt->fl |= MANT_LITERAL;
1.185 schwarze 646: return 0;
1.171 schwarze 647: case ROFFT_BODY:
1.203 schwarze 648: p->tcol->offset = mt->offset + len;
649: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 650: p->trailspace = 0;
1.184 schwarze 651: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 652: break;
653: default:
654: break;
655: }
1.16 kristaps 656:
1.185 schwarze 657: return 1;
1.21 kristaps 658: }
1.1 kristaps 659:
1.21 kristaps 660: static void
661: post_TP(DECL_ARGS)
662: {
1.1 kristaps 663:
1.21 kristaps 664: switch (n->type) {
1.171 schwarze 665: case ROFFT_HEAD:
1.21 kristaps 666: term_flushln(p);
667: break;
1.171 schwarze 668: case ROFFT_BODY:
1.94 schwarze 669: term_newln(p);
1.203 schwarze 670: p->tcol->offset = mt->offset;
1.21 kristaps 671: break;
672: default:
673: break;
674: }
1.1 kristaps 675: }
676:
677: static int
678: pre_SS(DECL_ARGS)
679: {
1.134 schwarze 680: int i;
1.1 kristaps 681:
1.19 kristaps 682: switch (n->type) {
1.171 schwarze 683: case ROFFT_BLOCK:
1.113 kristaps 684: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 685: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
686: mt->offset = term_len(p, p->defindent);
1.158 schwarze 687:
688: /*
689: * No vertical space before the first subsection
690: * and after an empty subsection.
691: */
692:
693: do {
694: n = n->prev;
1.209 schwarze 695: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 696: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 697: if (n == NULL || n->type == ROFFT_COMMENT ||
698: (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 699: break;
1.158 schwarze 700:
1.134 schwarze 701: for (i = 0; i < mt->pardist; i++)
702: term_vspace(p);
1.19 kristaps 703: break;
1.171 schwarze 704: case ROFFT_HEAD:
1.52 kristaps 705: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 706: p->tcol->offset = term_len(p, 3);
707: p->tcol->rmargin = mt->offset;
1.176 schwarze 708: p->trailspace = mt->offset;
709: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 710: break;
1.171 schwarze 711: case ROFFT_BODY:
1.203 schwarze 712: p->tcol->offset = mt->offset;
713: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 714: p->trailspace = 0;
715: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 716: break;
1.19 kristaps 717: default:
718: break;
719: }
720:
1.185 schwarze 721: return 1;
1.1 kristaps 722: }
723:
724: static void
725: post_SS(DECL_ARGS)
726: {
1.146 schwarze 727:
1.19 kristaps 728: switch (n->type) {
1.171 schwarze 729: case ROFFT_HEAD:
1.19 kristaps 730: term_newln(p);
731: break;
1.171 schwarze 732: case ROFFT_BODY:
1.24 kristaps 733: term_newln(p);
734: break;
1.19 kristaps 735: default:
736: break;
737: }
1.1 kristaps 738: }
739:
740: static int
741: pre_SH(DECL_ARGS)
742: {
1.134 schwarze 743: int i;
1.22 kristaps 744:
1.19 kristaps 745: switch (n->type) {
1.171 schwarze 746: case ROFFT_BLOCK:
1.113 kristaps 747: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 748: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
749: mt->offset = term_len(p, p->defindent);
1.158 schwarze 750:
751: /*
752: * No vertical space before the first section
753: * and after an empty section.
754: */
755:
756: do {
757: n = n->prev;
1.209 schwarze 758: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 759: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 760: if (n == NULL || n->type == ROFFT_COMMENT ||
761: (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 762: break;
1.158 schwarze 763:
1.134 schwarze 764: for (i = 0; i < mt->pardist; i++)
765: term_vspace(p);
1.19 kristaps 766: break;
1.171 schwarze 767: case ROFFT_HEAD:
1.52 kristaps 768: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 769: p->tcol->offset = 0;
770: p->tcol->rmargin = mt->offset;
1.176 schwarze 771: p->trailspace = mt->offset;
772: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 773: break;
1.171 schwarze 774: case ROFFT_BODY:
1.203 schwarze 775: p->tcol->offset = mt->offset;
776: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 777: p->trailspace = 0;
778: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 779: break;
780: default:
781: break;
782: }
1.1 kristaps 783:
1.185 schwarze 784: return 1;
1.1 kristaps 785: }
786:
787: static void
788: post_SH(DECL_ARGS)
789: {
1.146 schwarze 790:
1.19 kristaps 791: switch (n->type) {
1.171 schwarze 792: case ROFFT_HEAD:
1.19 kristaps 793: term_newln(p);
794: break;
1.171 schwarze 795: case ROFFT_BODY:
1.19 kristaps 796: term_newln(p);
797: break;
798: default:
799: break;
800: }
1.1 kristaps 801: }
802:
1.26 kristaps 803: static int
804: pre_RS(DECL_ARGS)
805: {
1.163 schwarze 806: struct roffsu su;
1.26 kristaps 807:
808: switch (n->type) {
1.171 schwarze 809: case ROFFT_BLOCK:
1.26 kristaps 810: term_newln(p);
1.185 schwarze 811: return 1;
1.171 schwarze 812: case ROFFT_HEAD:
1.185 schwarze 813: return 0;
1.26 kristaps 814: default:
815: break;
816: }
817:
1.165 schwarze 818: n = n->parent->head;
819: n->aux = SHRT_MAX + 1;
1.177 schwarze 820: if (n->child == NULL)
821: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 822: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 823: n->aux = term_hen(p, &su);
1.165 schwarze 824: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
825: n->aux = -mt->offset;
826: else if (n->aux > SHRT_MAX)
827: n->aux = term_len(p, p->defindent);
1.26 kristaps 828:
1.165 schwarze 829: mt->offset += n->aux;
1.203 schwarze 830: p->tcol->offset = mt->offset;
831: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 832:
1.116 schwarze 833: if (++mt->lmarginsz < MAXMARGINS)
834: mt->lmargincur = mt->lmarginsz;
835:
1.178 schwarze 836: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 837: return 1;
1.26 kristaps 838: }
839:
840: static void
841: post_RS(DECL_ARGS)
842: {
843:
844: switch (n->type) {
1.171 schwarze 845: case ROFFT_BLOCK:
1.110 kristaps 846: return;
1.171 schwarze 847: case ROFFT_HEAD:
1.110 kristaps 848: return;
1.26 kristaps 849: default:
850: term_newln(p);
851: break;
852: }
1.110 kristaps 853:
1.165 schwarze 854: mt->offset -= n->parent->head->aux;
1.203 schwarze 855: p->tcol->offset = mt->offset;
1.116 schwarze 856:
857: if (--mt->lmarginsz < MAXMARGINS)
858: mt->lmargincur = mt->lmarginsz;
1.215 schwarze 859: }
860:
861: static int
862: pre_SY(DECL_ARGS)
863: {
864: const struct roff_node *nn;
865: int len;
866:
867: switch (n->type) {
868: case ROFFT_BLOCK:
1.217 schwarze 869: if (n->prev == NULL || n->prev->tok != MAN_SY)
870: print_bvspace(p, n, mt->pardist);
1.215 schwarze 871: return 1;
872: case ROFFT_HEAD:
873: case ROFFT_BODY:
874: break;
875: default:
876: abort();
877: }
878:
879: nn = n->parent->head->child;
1.219 schwarze 880: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.215 schwarze 881:
882: switch (n->type) {
883: case ROFFT_HEAD:
884: p->tcol->offset = mt->offset;
885: p->tcol->rmargin = mt->offset + len;
886: p->flags |= TERMP_NOBREAK;
887: term_fontrepl(p, TERMFONT_BOLD);
888: break;
889: case ROFFT_BODY:
890: mt->lmargin[mt->lmargincur] = len;
891: p->tcol->offset = mt->offset + len;
892: p->tcol->rmargin = p->maxrmargin;
893: p->flags |= TERMP_NOSPACE;
894: break;
895: default:
896: abort();
897: }
898: return 1;
899: }
900:
901: static void
902: post_SY(DECL_ARGS)
903: {
904: switch (n->type) {
905: case ROFFT_HEAD:
906: term_flushln(p);
907: p->flags &= ~TERMP_NOBREAK;
908: break;
909: case ROFFT_BODY:
910: term_newln(p);
911: p->tcol->offset = mt->offset;
912: break;
913: default:
914: break;
915: }
1.137 schwarze 916: }
917:
918: static int
919: pre_UR(DECL_ARGS)
920: {
921:
1.185 schwarze 922: return n->type != ROFFT_HEAD;
1.137 schwarze 923: }
924:
925: static void
926: post_UR(DECL_ARGS)
927: {
928:
1.171 schwarze 929: if (n->type != ROFFT_BLOCK)
1.137 schwarze 930: return;
931:
932: term_word(p, "<");
933: p->flags |= TERMP_NOSPACE;
934:
935: if (NULL != n->child->child)
936: print_man_node(p, mt, n->child->child, meta);
937:
938: p->flags |= TERMP_NOSPACE;
939: term_word(p, ">");
1.26 kristaps 940: }
941:
1.1 kristaps 942: static void
1.45 kristaps 943: print_man_node(DECL_ARGS)
1.1 kristaps 944: {
1.214 schwarze 945: const struct man_term_act *act;
946: int c;
1.1 kristaps 947:
948: switch (n->type) {
1.171 schwarze 949: case ROFFT_TEXT:
1.97 kristaps 950: /*
951: * If we have a blank line, output a vertical space.
952: * If we have a space as the first character, break
953: * before printing the line's data.
954: */
1.200 schwarze 955: if (*n->string == '\0') {
1.207 schwarze 956: if (p->flags & TERMP_NONEWLINE)
957: term_newln(p);
958: else
959: term_vspace(p);
1.98 schwarze 960: return;
1.200 schwarze 961: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
962: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 963: term_newln(p);
1.212 schwarze 964: else if (n->flags & NODE_DELIMC)
965: p->flags |= TERMP_NOSPACE;
1.54 kristaps 966:
1.4 kristaps 967: term_word(p, n->string);
1.130 schwarze 968: goto out;
1.210 schwarze 969: case ROFFT_COMMENT:
970: return;
1.171 schwarze 971: case ROFFT_EQN:
1.188 schwarze 972: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 973: p->flags |= TERMP_NOSPACE;
1.115 kristaps 974: term_eqn(p, n->eqn);
1.188 schwarze 975: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 976: p->flags |= TERMP_NOSPACE;
1.97 kristaps 977: return;
1.171 schwarze 978: case ROFFT_TBL:
1.169 schwarze 979: if (p->tbl.cols == NULL)
980: term_vspace(p);
1.92 kristaps 981: term_tbl(p, n->span);
1.97 kristaps 982: return;
1.1 kristaps 983: default:
984: break;
985: }
986:
1.193 schwarze 987: if (n->tok < ROFF_MAX) {
1.194 schwarze 988: roff_term_pre(p, n);
1.193 schwarze 989: return;
990: }
991:
1.214 schwarze 992: act = man_term_act(n->tok);
1.220 schwarze 993: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 994: term_fontrepl(p, TERMFONT_NONE);
995:
996: c = 1;
1.214 schwarze 997: if (act->pre != NULL)
998: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 999:
1.1 kristaps 1000: if (c && n->child)
1.135 schwarze 1001: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1002:
1.214 schwarze 1003: if (act->post != NULL)
1004: (*act->post)(p, mt, n, meta);
1.220 schwarze 1005: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 1006: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 1007:
1.130 schwarze 1008: out:
1009: /*
1010: * If we're in a literal context, make sure that words
1011: * together on the same line stay together. This is a
1012: * POST-printing call, so we check the NEXT word. Since
1013: * -man doesn't have nested macros, we don't need to be
1014: * more specific than this.
1015: */
1.157 schwarze 1016: if (mt->fl & MANT_LITERAL &&
1017: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 1018: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.202 schwarze 1019: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.157 schwarze 1020: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 1021: term_flushln(p);
1022: else
1023: term_newln(p);
1.202 schwarze 1024: p->flags &= ~TERMP_BRNEVER;
1.203 schwarze 1025: if (p->tcol->rmargin < p->maxrmargin &&
1026: n->parent->tok == MAN_HP) {
1027: p->tcol->offset = p->tcol->rmargin;
1028: p->tcol->rmargin = p->maxrmargin;
1.202 schwarze 1029: }
1.130 schwarze 1030: }
1.188 schwarze 1031: if (NODE_EOS & n->flags)
1.63 kristaps 1032: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1033: }
1034:
1035:
1036: static void
1.52 kristaps 1037: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1038: {
1.19 kristaps 1039:
1.168 schwarze 1040: while (n != NULL) {
1041: print_man_node(p, mt, n, meta);
1042: n = n->next;
1043: }
1.1 kristaps 1044: }
1045:
1.31 kristaps 1046: static void
1.173 schwarze 1047: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1048: {
1.147 schwarze 1049: char *title;
1.156 schwarze 1050: size_t datelen, titlen;
1.73 kristaps 1051:
1.125 schwarze 1052: assert(meta->title);
1053: assert(meta->msec);
1054: assert(meta->date);
1.1 kristaps 1055:
1.52 kristaps 1056: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1057:
1.149 schwarze 1058: if (meta->hasbody)
1059: term_vspace(p);
1.126 schwarze 1060:
1061: /*
1062: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1063: * In the bottom right corner, use the operating system
1064: * instead of the title.
1.126 schwarze 1065: */
1066:
1067: if ( ! p->mdocstyle) {
1.149 schwarze 1068: if (meta->hasbody) {
1069: term_vspace(p);
1070: term_vspace(p);
1071: }
1.147 schwarze 1072: mandoc_asprintf(&title, "%s(%s)",
1073: meta->title, meta->msec);
1.173 schwarze 1074: } else if (meta->os) {
1075: title = mandoc_strdup(meta->os);
1.126 schwarze 1076: } else {
1.147 schwarze 1077: title = mandoc_strdup("");
1.126 schwarze 1078: }
1.125 schwarze 1079: datelen = term_strlen(p, meta->date);
1.1 kristaps 1080:
1.173 schwarze 1081: /* Bottom left corner: operating system. */
1.126 schwarze 1082:
1.1 kristaps 1083: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1084: p->trailspace = 1;
1.203 schwarze 1085: p->tcol->offset = 0;
1086: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1087: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1088:
1.173 schwarze 1089: if (meta->os)
1090: term_word(p, meta->os);
1.1 kristaps 1091: term_flushln(p);
1092:
1.126 schwarze 1093: /* At the bottom in the middle: manual date. */
1094:
1.203 schwarze 1095: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1096: titlen = term_strlen(p, title);
1.203 schwarze 1097: p->tcol->rmargin = p->maxrmargin > titlen ?
1098: p->maxrmargin - titlen : 0;
1.117 schwarze 1099: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1100:
1.125 schwarze 1101: term_word(p, meta->date);
1.123 schwarze 1102: term_flushln(p);
1103:
1.126 schwarze 1104: /* Bottom right corner: manual title and section. */
1105:
1.123 schwarze 1106: p->flags &= ~TERMP_NOBREAK;
1107: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1108: p->trailspace = 0;
1.203 schwarze 1109: p->tcol->offset = p->tcol->rmargin;
1110: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1111:
1.123 schwarze 1112: term_word(p, title);
1.1 kristaps 1113: term_flushln(p);
1.211 schwarze 1114:
1115: /*
1116: * Reset the terminal state for more output after the footer:
1117: * Some output modes, in particular PostScript and PDF, print
1118: * the header and the footer into a buffer such that it can be
1119: * reused for multiple output pages, then go on to format the
1120: * main text.
1121: */
1122:
1123: p->tcol->offset = 0;
1124: p->flags = 0;
1125:
1.147 schwarze 1126: free(title);
1.1 kristaps 1127: }
1128:
1.31 kristaps 1129: static void
1.173 schwarze 1130: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1131: {
1.148 schwarze 1132: const char *volume;
1.147 schwarze 1133: char *title;
1.148 schwarze 1134: size_t vollen, titlen;
1.73 kristaps 1135:
1.135 schwarze 1136: assert(meta->title);
1137: assert(meta->msec);
1.1 kristaps 1138:
1.148 schwarze 1139: volume = NULL == meta->vol ? "" : meta->vol;
1140: vollen = term_strlen(p, volume);
1.1 kristaps 1141:
1.126 schwarze 1142: /* Top left corner: manual title and section. */
1143:
1.147 schwarze 1144: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1145: titlen = term_strlen(p, title);
1.1 kristaps 1146:
1.118 schwarze 1147: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1148: p->trailspace = 1;
1.203 schwarze 1149: p->tcol->offset = 0;
1150: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1151: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1152: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1153:
1154: term_word(p, title);
1155: term_flushln(p);
1156:
1.126 schwarze 1157: /* At the top in the middle: manual volume. */
1158:
1.117 schwarze 1159: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1160: p->tcol->offset = p->tcol->rmargin;
1161: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1162: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1163:
1.148 schwarze 1164: term_word(p, volume);
1.1 kristaps 1165: term_flushln(p);
1166:
1.126 schwarze 1167: /* Top right corner: title and section, again. */
1168:
1.1 kristaps 1169: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1170: p->trailspace = 0;
1.203 schwarze 1171: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1172: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1173: p->tcol->offset = p->tcol->rmargin;
1174: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1175: term_word(p, title);
1176: term_flushln(p);
1177: }
1.1 kristaps 1178:
1.118 schwarze 1179: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1180: p->tcol->offset = 0;
1181: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1182:
1.146 schwarze 1183: /*
1.126 schwarze 1184: * Groff prints three blank lines before the content.
1185: * Do the same, except in the temporary, undocumented
1186: * mode imitating mdoc(7) output.
1.62 kristaps 1187: */
1188:
1.61 kristaps 1189: term_vspace(p);
1.126 schwarze 1190: if ( ! p->mdocstyle) {
1191: term_vspace(p);
1192: term_vspace(p);
1193: }
1.147 schwarze 1194: free(title);
1.1 kristaps 1195: }
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