Annotation of mandoc/mdoc_term.c, Revision 1.279
1.279 ! schwarze 1: /* $Id: mdoc_term.c,v 1.278 2014/08/17 16:44:41 schwarze Exp $ */
1.1 kristaps 2: /*
1.217 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259 schwarze 4: * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.256 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
1.6 kristaps 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: *
1.6 kristaps 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: */
1.107 kristaps 19: #include "config.h"
20:
1.1 kristaps 21: #include <sys/types.h>
22:
23: #include <assert.h>
24: #include <ctype.h>
1.118 kristaps 25: #include <stdint.h>
1.1 kristaps 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
29:
1.125 kristaps 30: #include "mandoc.h"
1.266 schwarze 31: #include "mandoc_aux.h"
1.92 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
34: #include "mdoc.h"
1.89 kristaps 35: #include "main.h"
1.1 kristaps 36:
37: struct termpair {
38: struct termpair *ppair;
1.31 kristaps 39: int count;
1.1 kristaps 40: };
41:
1.31 kristaps 42: #define DECL_ARGS struct termp *p, \
43: struct termpair *pair, \
1.264 schwarze 44: const struct mdoc_meta *meta, \
1.244 schwarze 45: struct mdoc_node *n
1.1 kristaps 46:
47: struct termact {
48: int (*pre)(DECL_ARGS);
49: void (*post)(DECL_ARGS);
50: };
51:
1.157 kristaps 52: static size_t a2width(const struct termp *, const char *);
53: static size_t a2height(const struct termp *, const char *);
54: static size_t a2offs(const struct termp *, const char *);
1.96 kristaps 55:
56: static void print_bvspace(struct termp *,
1.151 kristaps 57: const struct mdoc_node *,
1.96 kristaps 58: const struct mdoc_node *);
1.264 schwarze 59: static void print_mdoc_node(DECL_ARGS);
1.145 kristaps 60: static void print_mdoc_nodelist(DECL_ARGS);
1.144 kristaps 61: static void print_mdoc_head(struct termp *, const void *);
1.145 kristaps 62: static void print_mdoc_foot(struct termp *, const void *);
1.264 schwarze 63: static void synopsis_pre(struct termp *,
1.143 kristaps 64: const struct mdoc_node *);
1.96 kristaps 65:
1.31 kristaps 66: static void termp____post(DECL_ARGS);
1.203 kristaps 67: static void termp__t_post(DECL_ARGS);
1.61 kristaps 68: static void termp_an_post(DECL_ARGS);
1.31 kristaps 69: static void termp_bd_post(DECL_ARGS);
1.159 schwarze 70: static void termp_bk_post(DECL_ARGS);
1.31 kristaps 71: static void termp_bl_post(DECL_ARGS);
1.241 schwarze 72: static void termp_fd_post(DECL_ARGS);
1.31 kristaps 73: static void termp_fo_post(DECL_ARGS);
74: static void termp_in_post(DECL_ARGS);
75: static void termp_it_post(DECL_ARGS);
76: static void termp_lb_post(DECL_ARGS);
1.164 schwarze 77: static void termp_nm_post(DECL_ARGS);
1.31 kristaps 78: static void termp_pf_post(DECL_ARGS);
1.188 kristaps 79: static void termp_quote_post(DECL_ARGS);
1.31 kristaps 80: static void termp_sh_post(DECL_ARGS);
81: static void termp_ss_post(DECL_ARGS);
82:
1.184 kristaps 83: static int termp__a_pre(DECL_ARGS);
1.203 kristaps 84: static int termp__t_pre(DECL_ARGS);
1.61 kristaps 85: static int termp_an_pre(DECL_ARGS);
1.31 kristaps 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.159 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.115 kristaps 90: static int termp_bl_pre(DECL_ARGS);
1.69 kristaps 91: static int termp_bold_pre(DECL_ARGS);
1.31 kristaps 92: static int termp_bt_pre(DECL_ARGS);
1.211 kristaps 93: static int termp_bx_pre(DECL_ARGS);
1.31 kristaps 94: static int termp_cd_pre(DECL_ARGS);
95: static int termp_d1_pre(DECL_ARGS);
1.268 schwarze 96: static int termp_es_pre(DECL_ARGS);
1.31 kristaps 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.188 kristaps 99: static int termp_fd_pre(DECL_ARGS);
1.31 kristaps 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.102 kristaps 106: static int termp_li_pre(DECL_ARGS);
1.260 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.31 kristaps 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.188 kristaps 112: static int termp_quote_pre(DECL_ARGS);
1.31 kristaps 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_rv_pre(DECL_ARGS);
115: static int termp_sh_pre(DECL_ARGS);
116: static int termp_sm_pre(DECL_ARGS);
1.45 kristaps 117: static int termp_sp_pre(DECL_ARGS);
1.31 kristaps 118: static int termp_ss_pre(DECL_ARGS);
1.69 kristaps 119: static int termp_under_pre(DECL_ARGS);
1.31 kristaps 120: static int termp_ud_pre(DECL_ARGS);
1.110 kristaps 121: static int termp_vt_pre(DECL_ARGS);
1.31 kristaps 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
124:
1.70 kristaps 125: static const struct termact termacts[MDOC_MAX] = {
1.14 kristaps 126: { termp_ap_pre, NULL }, /* Ap */
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.264 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.241 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.115 kristaps 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.264 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.61 kristaps 141: { termp_an_pre, termp_an_post }, /* An */
1.69 kristaps 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.69 kristaps 144: { termp_bold_pre, NULL }, /* Cm */
1.264 schwarze 145: { NULL, NULL }, /* Dv */
146: { NULL, NULL }, /* Er */
147: { NULL, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.264 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.264 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.102 kristaps 156: { termp_li_pre, NULL }, /* Li */
1.264 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.188 kristaps 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 160: { termp_ft_pre, NULL }, /* Ot */
1.69 kristaps 161: { termp_under_pre, NULL }, /* Pa */
1.1 kristaps 162: { termp_rv_pre, NULL }, /* Rv */
1.264 schwarze 163: { NULL, NULL }, /* St */
1.69 kristaps 164: { termp_under_pre, NULL }, /* Va */
1.143 kristaps 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.184 kristaps 167: { termp__a_pre, termp____post }, /* %A */
1.84 kristaps 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.84 kristaps 170: { termp_under_pre, termp____post }, /* %I */
1.69 kristaps 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.203 kristaps 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.188 kristaps 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.35 kristaps 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.264 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.188 kristaps 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.26 kristaps 186: { termp_xx_pre, NULL }, /* Bsx */
1.211 kristaps 187: { termp_bx_pre, NULL }, /* Bx */
1.1 kristaps 188: { NULL, NULL }, /* Db */
189: { NULL, NULL }, /* Dc */
1.188 kristaps 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.112 kristaps 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.264 schwarze 194: { termp_under_pre, NULL }, /* Em */
1.237 schwarze 195: { termp_quote_pre, termp_quote_post }, /* Eo */
1.26 kristaps 196: { termp_xx_pre, NULL }, /* Fx */
1.176 kristaps 197: { termp_bold_pre, NULL }, /* Ms */
1.254 schwarze 198: { NULL, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.26 kristaps 200: { termp_xx_pre, NULL }, /* Nx */
201: { termp_xx_pre, NULL }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.254 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.188 kristaps 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.188 kristaps 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.188 kristaps 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.69 kristaps 216: { termp_under_pre, NULL }, /* Sx */
217: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.26 kristaps 219: { termp_xx_pre, NULL }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.264 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.188 kristaps 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.159 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
228: { termp_bt_pre, NULL }, /* Bt */
229: { NULL, NULL }, /* Hf */
1.268 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.1 kristaps 231: { termp_ud_pre, NULL }, /* Ud */
1.37 kristaps 232: { NULL, termp_lb_post }, /* Lb */
1.264 schwarze 233: { termp_sp_pre, NULL }, /* Lp */
234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.268 schwarze 240: { termp_es_pre, NULL }, /* Es */
241: { termp_quote_pre, termp_quote_post }, /* En */
1.264 schwarze 242: { termp_xx_pre, NULL }, /* Dx */
243: { NULL, termp____post }, /* %Q */
1.76 kristaps 244: { termp_sp_pre, NULL }, /* br */
1.264 schwarze 245: { termp_sp_pre, NULL }, /* sp */
246: { NULL, termp____post }, /* %U */
247: { NULL, NULL }, /* Ta */
1.260 schwarze 248: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 249: };
250:
251:
1.70 kristaps 252: void
1.89 kristaps 253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1 kristaps 254: {
1.70 kristaps 255: const struct mdoc_node *n;
1.245 schwarze 256: const struct mdoc_meta *meta;
1.89 kristaps 257: struct termp *p;
258:
259: p = (struct termp *)arg;
1.111 kristaps 260:
1.238 schwarze 261: if (0 == p->defindent)
262: p->defindent = 5;
263:
1.111 kristaps 264: p->overstep = 0;
1.123 joerg 265: p->maxrmargin = p->defrmargin;
1.157 kristaps 266: p->tabwidth = term_len(p, 5);
1.89 kristaps 267:
268: if (NULL == p->symtab)
1.230 kristaps 269: p->symtab = mchars_alloc();
1.70 kristaps 270:
271: n = mdoc_node(mdoc);
1.245 schwarze 272: meta = mdoc_meta(mdoc);
1.146 schwarze 273:
1.245 schwarze 274: term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
1.70 kristaps 275:
1.271 schwarze 276: if (n->child) {
277: if (MDOC_Sh != n->child->tok)
278: term_vspace(p);
1.245 schwarze 279: print_mdoc_nodelist(p, NULL, meta, n->child);
1.271 schwarze 280: }
1.144 kristaps 281:
282: term_end(p);
1.1 kristaps 283: }
284:
1.3 kristaps 285: static void
1.102 kristaps 286: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 287: {
288:
1.245 schwarze 289: print_mdoc_node(p, pair, meta, n);
1.86 kristaps 290: if (n->next)
1.245 schwarze 291: print_mdoc_nodelist(p, pair, meta, n->next);
1.1 kristaps 292: }
293:
1.3 kristaps 294: static void
1.102 kristaps 295: print_mdoc_node(DECL_ARGS)
1.1 kristaps 296: {
1.102 kristaps 297: int chld;
1.1 kristaps 298: struct termpair npair;
1.30 kristaps 299: size_t offset, rmargin;
1.1 kristaps 300:
1.70 kristaps 301: chld = 1;
1.29 kristaps 302: offset = p->offset;
1.30 kristaps 303: rmargin = p->rmargin;
1.244 schwarze 304: n->prev_font = term_fontq(p);
1.29 kristaps 305:
1.97 kristaps 306: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 307: npair.ppair = pair;
1.172 kristaps 308:
309: /*
310: * Keeps only work until the end of a line. If a keep was
311: * invoked in a prior line, revert it to PREKEEP.
312: */
313:
1.253 schwarze 314: if (TERMP_KEEP & p->flags) {
1.252 schwarze 315: if (n->prev ? (n->prev->lastline != n->line) :
1.248 schwarze 316: (n->parent && n->parent->line != n->line)) {
1.172 kristaps 317: p->flags &= ~TERMP_KEEP;
318: p->flags |= TERMP_PREKEEP;
319: }
320: }
1.197 schwarze 321:
322: /*
1.217 schwarze 323: * After the keep flags have been set up, we may now
324: * produce output. Note that some pre-handlers do so.
325: */
326:
327: switch (n->type) {
1.264 schwarze 328: case MDOC_TEXT:
1.217 schwarze 329: if (' ' == *n->string && MDOC_LINE & n->flags)
330: term_newln(p);
1.222 kristaps 331: if (MDOC_DELIMC & n->flags)
332: p->flags |= TERMP_NOSPACE;
1.217 schwarze 333: term_word(p, n->string);
1.222 kristaps 334: if (MDOC_DELIMO & n->flags)
335: p->flags |= TERMP_NOSPACE;
1.217 schwarze 336: break;
1.264 schwarze 337: case MDOC_EQN:
1.233 kristaps 338: term_eqn(p, n->eqn);
1.217 schwarze 339: break;
1.264 schwarze 340: case MDOC_TBL:
1.217 schwarze 341: term_tbl(p, n->span);
342: break;
343: default:
344: if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
345: chld = (*termacts[n->tok].pre)
1.245 schwarze 346: (p, &npair, meta, n);
1.217 schwarze 347: break;
348: }
349:
1.86 kristaps 350: if (chld && n->child)
1.245 schwarze 351: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 352:
1.244 schwarze 353: term_fontpopq(p,
354: (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46 kristaps 355:
1.206 kristaps 356: switch (n->type) {
1.264 schwarze 357: case MDOC_TEXT:
1.206 kristaps 358: break;
1.264 schwarze 359: case MDOC_TBL:
1.216 kristaps 360: break;
1.264 schwarze 361: case MDOC_EQN:
1.206 kristaps 362: break;
363: default:
364: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
365: break;
1.245 schwarze 366: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162 schwarze 367:
368: /*
369: * Explicit end tokens not only call the post
370: * handler, but also tell the respective block
371: * that it must not call the post handler again.
372: */
1.165 kristaps 373: if (ENDBODY_NOT != n->end)
1.162 schwarze 374: n->pending->flags |= MDOC_ENDED;
375:
376: /*
377: * End of line terminating an implicit block
378: * while an explicit block is still open.
379: * Continue the explicit block without spacing.
380: */
381: if (ENDBODY_NOSPACE == n->end)
382: p->flags |= TERMP_NOSPACE;
1.206 kristaps 383: break;
1.162 schwarze 384: }
1.121 kristaps 385:
386: if (MDOC_EOS & n->flags)
387: p->flags |= TERMP_SENTENCE;
1.29 kristaps 388:
1.260 schwarze 389: if (MDOC_ll != n->tok) {
390: p->offset = offset;
391: p->rmargin = rmargin;
392: }
1.1 kristaps 393: }
394:
1.3 kristaps 395: static void
1.145 kristaps 396: print_mdoc_foot(struct termp *p, const void *arg)
1.1 kristaps 397: {
1.245 schwarze 398: const struct mdoc_meta *meta;
1.144 kristaps 399:
1.245 schwarze 400: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 401:
1.102 kristaps 402: term_fontrepl(p, TERMFONT_NONE);
1.101 kristaps 403:
1.264 schwarze 404: /*
1.9 kristaps 405: * Output the footer in new-groff style, that is, three columns
406: * with the middle being the manual date and flanking columns
407: * being the operating system:
408: *
409: * SYSTEM DATE SYSTEM
410: */
411:
1.1 kristaps 412: term_vspace(p);
413:
1.9 kristaps 414: p->offset = 0;
1.264 schwarze 415: p->rmargin = (p->maxrmargin -
416: term_strlen(p, meta->date) + term_len(p, 1)) / 2;
1.250 schwarze 417: p->trailspace = 1;
1.1 kristaps 418: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
419:
1.245 schwarze 420: term_word(p, meta->os);
1.1 kristaps 421: term_flushln(p);
422:
1.9 kristaps 423: p->offset = p->rmargin;
1.245 schwarze 424: p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234 schwarze 425: p->flags |= TERMP_NOSPACE;
1.9 kristaps 426:
1.245 schwarze 427: term_word(p, meta->date);
1.9 kristaps 428: term_flushln(p);
429:
1.1 kristaps 430: p->offset = p->rmargin;
431: p->rmargin = p->maxrmargin;
1.250 schwarze 432: p->trailspace = 0;
1.1 kristaps 433: p->flags &= ~TERMP_NOBREAK;
1.234 schwarze 434: p->flags |= TERMP_NOSPACE;
1.1 kristaps 435:
1.245 schwarze 436: term_word(p, meta->os);
1.1 kristaps 437: term_flushln(p);
438:
1.9 kristaps 439: p->offset = 0;
440: p->rmargin = p->maxrmargin;
441: p->flags = 0;
1.1 kristaps 442: }
443:
1.3 kristaps 444: static void
1.144 kristaps 445: print_mdoc_head(struct termp *p, const void *arg)
1.1 kristaps 446: {
1.266 schwarze 447: const struct mdoc_meta *meta;
1.267 schwarze 448: char *volume, *title;
449: size_t vollen, titlen;
1.144 kristaps 450:
1.245 schwarze 451: meta = (const struct mdoc_meta *)arg;
1.1 kristaps 452:
453: /*
454: * The header is strange. It has three components, which are
455: * really two with the first duplicated. It goes like this:
456: *
457: * IDENTIFIER TITLE IDENTIFIER
458: *
459: * The IDENTIFIER is NAME(SECTION), which is the command-name
460: * (if given, or "unknown" if not) followed by the manual page
461: * section. These are given in `Dt'. The TITLE is a free-form
462: * string depending on the manual volume. If not specified, it
463: * switches on the manual section.
464: */
465:
1.235 schwarze 466: p->offset = 0;
467: p->rmargin = p->maxrmargin;
468:
1.245 schwarze 469: assert(meta->vol);
1.267 schwarze 470: if (NULL == meta->arch)
471: volume = mandoc_strdup(meta->vol);
472: else
473: mandoc_asprintf(&volume, "%s (%s)",
474: meta->vol, meta->arch);
475: vollen = term_strlen(p, volume);
1.1 kristaps 476:
1.275 schwarze 477: if (NULL == meta->msec)
478: title = mandoc_strdup(meta->title);
479: else
480: mandoc_asprintf(&title, "%s(%s)",
481: meta->title, meta->msec);
1.235 schwarze 482: titlen = term_strlen(p, title);
1.1 kristaps 483:
1.235 schwarze 484: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250 schwarze 485: p->trailspace = 1;
1.1 kristaps 486: p->offset = 0;
1.267 schwarze 487: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
488: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
489: p->maxrmargin - vollen;
1.1 kristaps 490:
491: term_word(p, title);
492: term_flushln(p);
493:
1.235 schwarze 494: p->flags |= TERMP_NOSPACE;
1.1 kristaps 495: p->offset = p->rmargin;
1.267 schwarze 496: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235 schwarze 497: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 498:
1.267 schwarze 499: term_word(p, volume);
1.1 kristaps 500: term_flushln(p);
501:
502: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 503: p->trailspace = 0;
1.235 schwarze 504: if (p->rmargin + titlen <= p->maxrmargin) {
505: p->flags |= TERMP_NOSPACE;
506: p->offset = p->rmargin;
507: p->rmargin = p->maxrmargin;
508: term_word(p, title);
509: term_flushln(p);
510: }
1.1 kristaps 511:
1.235 schwarze 512: p->flags &= ~TERMP_NOSPACE;
1.9 kristaps 513: p->offset = 0;
1.1 kristaps 514: p->rmargin = p->maxrmargin;
1.266 schwarze 515: free(title);
1.267 schwarze 516: free(volume);
1.1 kristaps 517: }
518:
519: static size_t
1.157 kristaps 520: a2height(const struct termp *p, const char *v)
1.1 kristaps 521: {
1.92 kristaps 522: struct roffsu su;
1.91 kristaps 523:
1.231 kristaps 524:
1.157 kristaps 525: assert(v);
526: if ( ! a2roffsu(v, &su, SCALE_VS))
1.231 kristaps 527: SCALE_VS_INIT(&su, atoi(v));
1.91 kristaps 528:
1.157 kristaps 529: return(term_vspan(p, &su));
1.91 kristaps 530: }
1.1 kristaps 531:
1.91 kristaps 532: static size_t
1.157 kristaps 533: a2width(const struct termp *p, const char *v)
1.91 kristaps 534: {
1.92 kristaps 535: struct roffsu su;
1.1 kristaps 536:
1.154 kristaps 537: assert(v);
538: if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 539: SCALE_HS_INIT(&su, term_strlen(p, v));
1.1 kristaps 540:
1.157 kristaps 541: return(term_hspan(p, &su));
1.1 kristaps 542: }
543:
544: static size_t
1.157 kristaps 545: a2offs(const struct termp *p, const char *v)
1.1 kristaps 546: {
1.92 kristaps 547: struct roffsu su;
1.1 kristaps 548:
1.148 kristaps 549: if ('\0' == *v)
1.91 kristaps 550: return(0);
1.148 kristaps 551: else if (0 == strcmp(v, "left"))
1.19 kristaps 552: return(0);
1.148 kristaps 553: else if (0 == strcmp(v, "indent"))
1.238 schwarze 554: return(term_len(p, p->defindent + 1));
1.148 kristaps 555: else if (0 == strcmp(v, "indent-two"))
1.238 schwarze 556: return(term_len(p, (p->defindent + 1) * 2));
1.148 kristaps 557: else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157 kristaps 558: SCALE_HS_INIT(&su, term_strlen(p, v));
1.10 kristaps 559:
1.157 kristaps 560: return(term_hspan(p, &su));
1.1 kristaps 561: }
562:
1.108 kristaps 563: /*
564: * Determine how much space to print out before block elements of `It'
565: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
566: * too.
567: */
1.54 kristaps 568: static void
1.264 schwarze 569: print_bvspace(struct termp *p,
570: const struct mdoc_node *bl,
571: const struct mdoc_node *n)
1.1 kristaps 572: {
1.86 kristaps 573: const struct mdoc_node *nn;
1.236 schwarze 574:
575: assert(n);
1.1 kristaps 576:
577: term_newln(p);
1.150 kristaps 578:
1.202 kristaps 579: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150 kristaps 580: return;
1.202 kristaps 581: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54 kristaps 582: return;
583:
1.85 kristaps 584: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 585:
1.86 kristaps 586: for (nn = n; nn; nn = nn->parent) {
587: if (MDOC_BLOCK != nn->type)
1.1 kristaps 588: continue;
1.86 kristaps 589: if (MDOC_Ss == nn->tok)
1.54 kristaps 590: return;
1.86 kristaps 591: if (MDOC_Sh == nn->tok)
1.54 kristaps 592: return;
1.86 kristaps 593: if (NULL == nn->prev)
1.1 kristaps 594: continue;
595: break;
596: }
597:
1.85 kristaps 598: /* A `-column' does not assert vspace within the list. */
1.54 kristaps 599:
1.202 kristaps 600: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86 kristaps 601: if (n->prev && MDOC_It == n->prev->tok)
1.54 kristaps 602: return;
603:
1.85 kristaps 604: /* A `-diag' without body does not vspace. */
605:
1.202 kristaps 606: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86 kristaps 607: if (n->prev && MDOC_It == n->prev->tok) {
608: assert(n->prev->body);
609: if (NULL == n->prev->body->child)
1.55 kristaps 610: return;
611: }
612:
1.54 kristaps 613: term_vspace(p);
1.260 schwarze 614: }
615:
616:
617: static int
618: termp_ll_pre(DECL_ARGS)
619: {
620:
1.261 schwarze 621: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260 schwarze 622: return(0);
1.1 kristaps 623: }
624:
625: static int
626: termp_it_pre(DECL_ARGS)
627: {
1.86 kristaps 628: const struct mdoc_node *bl, *nn;
1.265 schwarze 629: char buf[24];
1.264 schwarze 630: int i;
631: size_t width, offset, ncols, dcol;
1.126 kristaps 632: enum mdoc_list type;
1.1 kristaps 633:
1.86 kristaps 634: if (MDOC_BLOCK == n->type) {
1.151 kristaps 635: print_bvspace(p, n->parent->parent, n);
1.54 kristaps 636: return(1);
637: }
1.1 kristaps 638:
1.86 kristaps 639: bl = n->parent->parent->parent;
1.202 kristaps 640: type = bl->norm->Bl.type;
1.1 kristaps 641:
1.264 schwarze 642: /*
1.108 kristaps 643: * First calculate width and offset. This is pretty easy unless
644: * we're a -column list, in which case all prior columns must
645: * be accounted for.
646: */
647:
648: width = offset = 0;
649:
1.202 kristaps 650: if (bl->norm->Bl.offs)
651: offset = a2offs(p, bl->norm->Bl.offs);
1.152 kristaps 652:
1.1 kristaps 653: switch (type) {
1.264 schwarze 654: case LIST_column:
1.134 kristaps 655: if (MDOC_HEAD == n->type)
1.1 kristaps 656: break;
1.155 kristaps 657:
1.105 kristaps 658: /*
1.108 kristaps 659: * Imitate groff's column handling:
660: * - For each earlier column, add its width.
661: * - For less than 5 columns, add four more blanks per
662: * column.
663: * - For exactly 5 columns, add three more blank per
664: * column.
665: * - For more than 5 columns, add only one column.
1.105 kristaps 666: */
1.202 kristaps 667: ncols = bl->norm->Bl.ncols;
1.264 schwarze 668: dcol = ncols < 5 ? term_len(p, 4) :
669: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108 kristaps 670:
1.134 kristaps 671: /*
672: * Calculate the offset by applying all prior MDOC_BODY,
673: * so we stop at the MDOC_HEAD (NULL == nn->prev).
674: */
675:
1.264 schwarze 676: for (i = 0, nn = n->prev;
677: nn->prev && i < (int)ncols;
678: nn = nn->prev, i++)
679: offset += dcol + a2width(p,
680: bl->norm->Bl.cols[i]);
1.105 kristaps 681:
682: /*
1.108 kristaps 683: * When exceeding the declared number of columns, leave
684: * the remaining widths at 0. This will later be
685: * adjusted to the default width of 10, or, for the last
686: * column, stretched to the right margin.
1.58 kristaps 687: */
1.108 kristaps 688: if (i >= (int)ncols)
689: break;
1.58 kristaps 690:
1.105 kristaps 691: /*
1.108 kristaps 692: * Use the declared column widths, extended as explained
693: * in the preceding paragraph.
1.105 kristaps 694: */
1.202 kristaps 695: width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1 kristaps 696: break;
697: default:
1.202 kristaps 698: if (NULL == bl->norm->Bl.width)
1.108 kristaps 699: break;
700:
1.264 schwarze 701: /*
1.108 kristaps 702: * Note: buffer the width by 2, which is groff's magic
703: * number for buffering single arguments. See the above
704: * handling for column for how this changes.
705: */
1.202 kristaps 706: assert(bl->norm->Bl.width);
707: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1 kristaps 708: break;
709: }
710:
1.264 schwarze 711: /*
1.1 kristaps 712: * List-type can override the width in the case of fixed-head
713: * values (bullet, dash/hyphen, enum). Tags need a non-zero
1.67 kristaps 714: * offset.
1.1 kristaps 715: */
716:
717: switch (type) {
1.264 schwarze 718: case LIST_bullet:
1.1 kristaps 719: /* FALLTHROUGH */
1.264 schwarze 720: case LIST_dash:
1.1 kristaps 721: /* FALLTHROUGH */
1.264 schwarze 722: case LIST_hyphen:
1.242 schwarze 723: /* FALLTHROUGH */
1.264 schwarze 724: case LIST_enum:
1.242 schwarze 725: if (width < term_len(p, 2))
726: width = term_len(p, 2);
1.17 kristaps 727: break;
1.264 schwarze 728: case LIST_hang:
1.39 kristaps 729: if (0 == width)
1.157 kristaps 730: width = term_len(p, 8);
1.39 kristaps 731: break;
1.264 schwarze 732: case LIST_column:
1.49 kristaps 733: /* FALLTHROUGH */
1.264 schwarze 734: case LIST_tag:
1.1 kristaps 735: if (0 == width)
1.157 kristaps 736: width = term_len(p, 10);
1.1 kristaps 737: break;
738: default:
739: break;
740: }
741:
1.264 schwarze 742: /*
1.17 kristaps 743: * Whitespace control. Inset bodies need an initial space,
744: * while diagonal bodies need two.
1.1 kristaps 745: */
746:
1.51 kristaps 747: p->flags |= TERMP_NOSPACE;
748:
1.1 kristaps 749: switch (type) {
1.264 schwarze 750: case LIST_diag:
1.86 kristaps 751: if (MDOC_BODY == n->type)
1.62 kristaps 752: term_word(p, "\\ \\ ");
1.51 kristaps 753: break;
1.264 schwarze 754: case LIST_inset:
1.270 schwarze 755: if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51 kristaps 756: term_word(p, "\\ ");
1.1 kristaps 757: break;
758: default:
759: break;
760: }
761:
1.51 kristaps 762: p->flags |= TERMP_NOSPACE;
763:
1.1 kristaps 764: switch (type) {
1.264 schwarze 765: case LIST_diag:
1.86 kristaps 766: if (MDOC_HEAD == n->type)
1.102 kristaps 767: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 768: break;
769: default:
770: break;
771: }
772:
773: /*
1.109 kristaps 774: * Pad and break control. This is the tricky part. These flags
775: * are documented in term_flushln() in term.c. Note that we're
776: * going to unset all of these flags in termp_it_post() when we
777: * exit.
1.1 kristaps 778: */
779:
780: switch (type) {
1.264 schwarze 781: case LIST_enum:
1.242 schwarze 782: /*
783: * Weird special case.
784: * Very narrow enum lists actually hang.
785: */
786: if (width == term_len(p, 2))
787: p->flags |= TERMP_HANG;
788: /* FALLTHROUGH */
1.264 schwarze 789: case LIST_bullet:
1.1 kristaps 790: /* FALLTHROUGH */
1.264 schwarze 791: case LIST_dash:
1.1 kristaps 792: /* FALLTHROUGH */
1.264 schwarze 793: case LIST_hyphen:
1.250 schwarze 794: if (MDOC_HEAD != n->type)
795: break;
796: p->flags |= TERMP_NOBREAK;
797: p->trailspace = 1;
1.39 kristaps 798: break;
1.264 schwarze 799: case LIST_hang:
1.250 schwarze 800: if (MDOC_HEAD != n->type)
1.59 kristaps 801: break;
802:
803: /*
804: * This is ugly. If `-hang' is specified and the body
805: * is a `Bl' or `Bd', then we want basically to nullify
806: * the "overstep" effect in term_flushln() and treat
807: * this as a `-ohang' list instead.
808: */
1.279 ! schwarze 809: if (NULL != n->next &&
1.278 schwarze 810: NULL != n->next->child &&
811: (MDOC_Bl == n->next->child->tok ||
812: MDOC_Bd == n->next->child->tok))
1.250 schwarze 813: break;
814:
1.263 schwarze 815: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250 schwarze 816: p->trailspace = 1;
1.39 kristaps 817: break;
1.264 schwarze 818: case LIST_tag:
1.86 kristaps 819: if (MDOC_HEAD != n->type)
1.39 kristaps 820: break;
1.250 schwarze 821:
1.263 schwarze 822: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 823: p->trailspace = 2;
824:
1.86 kristaps 825: if (NULL == n->next || NULL == n->next->child)
1.39 kristaps 826: p->flags |= TERMP_DANGLE;
1.1 kristaps 827: break;
1.264 schwarze 828: case LIST_column:
1.134 kristaps 829: if (MDOC_HEAD == n->type)
830: break;
831:
1.250 schwarze 832: if (NULL == n->next) {
1.134 kristaps 833: p->flags &= ~TERMP_NOBREAK;
1.250 schwarze 834: p->trailspace = 0;
835: } else {
1.134 kristaps 836: p->flags |= TERMP_NOBREAK;
1.250 schwarze 837: p->trailspace = 1;
838: }
1.134 kristaps 839:
1.1 kristaps 840: break;
1.264 schwarze 841: case LIST_diag:
1.250 schwarze 842: if (MDOC_HEAD != n->type)
843: break;
1.263 schwarze 844: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 845: p->trailspace = 1;
1.1 kristaps 846: break;
847: default:
848: break;
849: }
850:
1.264 schwarze 851: /*
1.1 kristaps 852: * Margin control. Set-head-width lists have their right
853: * margins shortened. The body for these lists has the offset
854: * necessarily lengthened. Everybody gets the offset.
855: */
856:
857: p->offset += offset;
858:
859: switch (type) {
1.264 schwarze 860: case LIST_hang:
1.59 kristaps 861: /*
862: * Same stipulation as above, regarding `-hang'. We
863: * don't want to recalculate rmargin and offsets when
864: * using `Bd' or `Bl' within `-hang' overstep lists.
865: */
1.279 ! schwarze 866: if (MDOC_HEAD == n->type &&
! 867: NULL != n->next &&
1.278 schwarze 868: NULL != n->next->child &&
869: (MDOC_Bl == n->next->child->tok ||
870: MDOC_Bd == n->next->child->tok))
1.59 kristaps 871: break;
872: /* FALLTHROUGH */
1.264 schwarze 873: case LIST_bullet:
1.1 kristaps 874: /* FALLTHROUGH */
1.264 schwarze 875: case LIST_dash:
1.1 kristaps 876: /* FALLTHROUGH */
1.264 schwarze 877: case LIST_enum:
1.1 kristaps 878: /* FALLTHROUGH */
1.264 schwarze 879: case LIST_hyphen:
1.1 kristaps 880: /* FALLTHROUGH */
1.264 schwarze 881: case LIST_tag:
1.49 kristaps 882: assert(width);
1.86 kristaps 883: if (MDOC_HEAD == n->type)
1.1 kristaps 884: p->rmargin = p->offset + width;
1.259 schwarze 885: else {
1.1 kristaps 886: p->offset += width;
1.259 schwarze 887: if (p->rmargin < p->offset)
888: p->rmargin = p->offset;
889: }
1.1 kristaps 890: break;
1.264 schwarze 891: case LIST_column:
1.49 kristaps 892: assert(width);
1.1 kristaps 893: p->rmargin = p->offset + width;
1.264 schwarze 894: /*
1.50 kristaps 895: * XXX - this behaviour is not documented: the
896: * right-most column is filled to the right margin.
897: */
1.134 kristaps 898: if (MDOC_HEAD == n->type)
899: break;
900: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50 kristaps 901: p->rmargin = p->maxrmargin;
1.1 kristaps 902: break;
903: default:
904: break;
905: }
906:
1.264 schwarze 907: /*
1.1 kristaps 908: * The dash, hyphen, bullet and enum lists all have a special
1.264 schwarze 909: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 910: */
911:
1.86 kristaps 912: if (MDOC_HEAD == n->type)
1.1 kristaps 913: switch (type) {
1.264 schwarze 914: case LIST_bullet:
1.102 kristaps 915: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 916: term_word(p, "\\[bu]");
1.102 kristaps 917: term_fontpop(p);
1.1 kristaps 918: break;
1.264 schwarze 919: case LIST_dash:
1.1 kristaps 920: /* FALLTHROUGH */
1.264 schwarze 921: case LIST_hyphen:
1.102 kristaps 922: term_fontpush(p, TERMFONT_BOLD);
1.27 kristaps 923: term_word(p, "\\(hy");
1.102 kristaps 924: term_fontpop(p);
1.1 kristaps 925: break;
1.264 schwarze 926: case LIST_enum:
1.1 kristaps 927: (pair->ppair->ppair->count)++;
1.265 schwarze 928: (void)snprintf(buf, sizeof(buf), "%d.",
1.264 schwarze 929: pair->ppair->ppair->count);
1.1 kristaps 930: term_word(p, buf);
931: break;
932: default:
933: break;
934: }
935:
1.264 schwarze 936: /*
1.1 kristaps 937: * If we're not going to process our children, indicate so here.
938: */
939:
940: switch (type) {
1.264 schwarze 941: case LIST_bullet:
1.1 kristaps 942: /* FALLTHROUGH */
1.264 schwarze 943: case LIST_item:
1.1 kristaps 944: /* FALLTHROUGH */
1.264 schwarze 945: case LIST_dash:
1.1 kristaps 946: /* FALLTHROUGH */
1.264 schwarze 947: case LIST_hyphen:
1.1 kristaps 948: /* FALLTHROUGH */
1.264 schwarze 949: case LIST_enum:
1.86 kristaps 950: if (MDOC_HEAD == n->type)
1.1 kristaps 951: return(0);
952: break;
1.264 schwarze 953: case LIST_column:
1.134 kristaps 954: if (MDOC_HEAD == n->type)
1.1 kristaps 955: return(0);
956: break;
957: default:
958: break;
959: }
960:
961: return(1);
962: }
963:
964: static void
965: termp_it_post(DECL_ARGS)
966: {
1.126 kristaps 967: enum mdoc_list type;
1.1 kristaps 968:
1.109 kristaps 969: if (MDOC_BLOCK == n->type)
1.1 kristaps 970: return;
971:
1.202 kristaps 972: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 973:
974: switch (type) {
1.264 schwarze 975: case LIST_item:
1.1 kristaps 976: /* FALLTHROUGH */
1.264 schwarze 977: case LIST_diag:
1.53 kristaps 978: /* FALLTHROUGH */
1.264 schwarze 979: case LIST_inset:
1.86 kristaps 980: if (MDOC_BODY == n->type)
1.130 schwarze 981: term_newln(p);
1.1 kristaps 982: break;
1.264 schwarze 983: case LIST_column:
1.134 kristaps 984: if (MDOC_BODY == n->type)
1.1 kristaps 985: term_flushln(p);
986: break;
987: default:
1.130 schwarze 988: term_newln(p);
1.1 kristaps 989: break;
990: }
991:
1.264 schwarze 992: /*
1.109 kristaps 993: * Now that our output is flushed, we can reset our tags. Since
994: * only `It' sets these flags, we're free to assume that nobody
995: * has munged them in the meanwhile.
996: */
997:
1.263 schwarze 998: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
999: TERMP_DANGLE | TERMP_HANG);
1.250 schwarze 1000: p->trailspace = 0;
1.1 kristaps 1001: }
1002:
1003: static int
1004: termp_nm_pre(DECL_ARGS)
1005: {
1006:
1.253 schwarze 1007: if (MDOC_BLOCK == n->type) {
1008: p->flags |= TERMP_PREKEEP;
1.164 schwarze 1009: return(1);
1.253 schwarze 1010: }
1.164 schwarze 1011:
1012: if (MDOC_BODY == n->type) {
1013: if (NULL == n->child)
1014: return(0);
1.234 schwarze 1015: p->flags |= TERMP_NOSPACE;
1.164 schwarze 1016: p->offset += term_len(p, 1) +
1.245 schwarze 1017: (NULL == n->prev->child ?
1018: term_strlen(p, meta->name) :
1.164 schwarze 1019: MDOC_TEXT == n->prev->child->type ?
1.245 schwarze 1020: term_strlen(p, n->prev->child->string) :
1.164 schwarze 1021: term_len(p, 5));
1.262 schwarze 1022: if (p->rmargin < p->offset)
1023: p->rmargin = p->offset;
1.164 schwarze 1024: return(1);
1025: }
1026:
1.245 schwarze 1027: if (NULL == n->child && NULL == meta->name)
1.164 schwarze 1028: return(0);
1.125 kristaps 1029:
1.177 schwarze 1030: if (MDOC_HEAD == n->type)
1031: synopsis_pre(p, n->parent);
1.102 kristaps 1032:
1.279 ! schwarze 1033: if (MDOC_HEAD == n->type &&
1.278 schwarze 1034: NULL != n->next && NULL != n->next->child) {
1.263 schwarze 1035: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250 schwarze 1036: p->trailspace = 1;
1.185 schwarze 1037: p->rmargin = p->offset + term_len(p, 1);
1038: if (NULL == n->child) {
1.245 schwarze 1039: p->rmargin += term_strlen(p, meta->name);
1.185 schwarze 1040: } else if (MDOC_TEXT == n->child->type) {
1041: p->rmargin += term_strlen(p, n->child->string);
1042: if (n->child->next)
1043: p->flags |= TERMP_HANG;
1044: } else {
1045: p->rmargin += term_len(p, 5);
1046: p->flags |= TERMP_HANG;
1047: }
1.164 schwarze 1048: }
1049:
1.102 kristaps 1050: term_fontpush(p, TERMFONT_BOLD);
1.86 kristaps 1051: if (NULL == n->child)
1.245 schwarze 1052: term_word(p, meta->name);
1.1 kristaps 1053: return(1);
1054: }
1055:
1.164 schwarze 1056: static void
1057: termp_nm_post(DECL_ARGS)
1058: {
1059:
1.253 schwarze 1060: if (MDOC_BLOCK == n->type) {
1061: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279 ! schwarze 1062: } else if (MDOC_HEAD == n->type &&
1.278 schwarze 1063: NULL != n->next && NULL != n->next->child) {
1.164 schwarze 1064: term_flushln(p);
1.263 schwarze 1065: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250 schwarze 1066: p->trailspace = 0;
1.234 schwarze 1067: } else if (MDOC_BODY == n->type && n->child)
1.164 schwarze 1068: term_flushln(p);
1069: }
1070:
1.1 kristaps 1071: static int
1072: termp_fl_pre(DECL_ARGS)
1073: {
1074:
1.102 kristaps 1075: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1076: term_word(p, "\\-");
1.103 kristaps 1077:
1078: if (n->child)
1.114 kristaps 1079: p->flags |= TERMP_NOSPACE;
1080: else if (n->next && n->next->line == n->line)
1.103 kristaps 1081: p->flags |= TERMP_NOSPACE;
1082:
1.1 kristaps 1083: return(1);
1084: }
1085:
1086: static int
1.184 kristaps 1087: termp__a_pre(DECL_ARGS)
1088: {
1089:
1090: if (n->prev && MDOC__A == n->prev->tok)
1091: if (NULL == n->next || MDOC__A != n->next->tok)
1092: term_word(p, "and");
1093:
1094: return(1);
1095: }
1096:
1097: static int
1.61 kristaps 1098: termp_an_pre(DECL_ARGS)
1099: {
1100:
1.86 kristaps 1101: if (NULL == n->child)
1.61 kristaps 1102: return(1);
1103:
1104: /*
1.85 kristaps 1105: * If not in the AUTHORS section, `An -split' will cause
1106: * newlines to occur before the author name. If in the AUTHORS
1107: * section, by default, the first `An' invocation is nosplit,
1108: * then all subsequent ones, regardless of whether interspersed
1109: * with other macros/text, are split. -split, in this case,
1110: * will override the condition of the implied first -nosplit.
1.61 kristaps 1111: */
1.264 schwarze 1112:
1.86 kristaps 1113: if (n->sec == SEC_AUTHORS) {
1.61 kristaps 1114: if ( ! (TERMP_ANPREC & p->flags)) {
1115: if (TERMP_SPLIT & p->flags)
1116: term_newln(p);
1117: return(1);
1118: }
1119: if (TERMP_NOSPLIT & p->flags)
1120: return(1);
1121: term_newln(p);
1122: return(1);
1123: }
1124:
1125: if (TERMP_SPLIT & p->flags)
1126: term_newln(p);
1127:
1128: return(1);
1129: }
1130:
1131: static void
1132: termp_an_post(DECL_ARGS)
1133: {
1134:
1.86 kristaps 1135: if (n->child) {
1136: if (SEC_AUTHORS == n->sec)
1.61 kristaps 1137: p->flags |= TERMP_ANPREC;
1138: return;
1139: }
1140:
1.202 kristaps 1141: if (AUTH_split == n->norm->An.auth) {
1.61 kristaps 1142: p->flags &= ~TERMP_NOSPLIT;
1143: p->flags |= TERMP_SPLIT;
1.202 kristaps 1144: } else if (AUTH_nosplit == n->norm->An.auth) {
1.61 kristaps 1145: p->flags &= ~TERMP_SPLIT;
1146: p->flags |= TERMP_NOSPLIT;
1147: }
1148:
1149: }
1150:
1151: static int
1.1 kristaps 1152: termp_ns_pre(DECL_ARGS)
1153: {
1154:
1.215 kristaps 1155: if ( ! (MDOC_LINE & n->flags))
1156: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1157: return(1);
1158: }
1159:
1160: static int
1161: termp_rs_pre(DECL_ARGS)
1162: {
1163:
1.86 kristaps 1164: if (SEC_SEE_ALSO != n->sec)
1.80 kristaps 1165: return(1);
1.86 kristaps 1166: if (MDOC_BLOCK == n->type && n->prev)
1.1 kristaps 1167: term_vspace(p);
1168: return(1);
1169: }
1170:
1171: static int
1172: termp_rv_pre(DECL_ARGS)
1173: {
1.223 kristaps 1174: int nchild;
1.1 kristaps 1175:
1176: term_newln(p);
1177:
1.223 kristaps 1178: nchild = n->nchild;
1.273 schwarze 1179: if (nchild > 0) {
1180: term_word(p, "The");
1.224 kristaps 1181:
1.273 schwarze 1182: for (n = n->child; n; n = n->next) {
1183: term_fontpush(p, TERMFONT_BOLD);
1184: term_word(p, n->string);
1185: term_fontpop(p);
1.223 kristaps 1186:
1187: p->flags |= TERMP_NOSPACE;
1.273 schwarze 1188: term_word(p, "()");
1189:
1190: if (n->next == NULL)
1191: continue;
1192:
1193: if (nchild > 2) {
1194: p->flags |= TERMP_NOSPACE;
1195: term_word(p, ",");
1196: }
1197: if (n->next->next == NULL)
1198: term_word(p, "and");
1.223 kristaps 1199: }
1200:
1.273 schwarze 1201: if (nchild > 1)
1202: term_word(p, "functions return");
1203: else
1204: term_word(p, "function returns");
1205:
1206: term_word(p, "the value\\~0 if successful;");
1207: } else
1208: term_word(p, "Upon successful completion,"
1209: " the value\\~0 is returned;");
1.1 kristaps 1210:
1.273 schwarze 1211: term_word(p, "otherwise the value\\~\\-1 is returned"
1212: " and the global variable");
1.1 kristaps 1213:
1.102 kristaps 1214: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1215: term_word(p, "errno");
1.102 kristaps 1216: term_fontpop(p);
1.1 kristaps 1217:
1.264 schwarze 1218: term_word(p, "is set to indicate the error.");
1.131 kristaps 1219: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1220:
1.68 kristaps 1221: return(0);
1.1 kristaps 1222: }
1223:
1224: static int
1225: termp_ex_pre(DECL_ARGS)
1226: {
1.224 kristaps 1227: int nchild;
1.1 kristaps 1228:
1.224 kristaps 1229: term_newln(p);
1.68 kristaps 1230: term_word(p, "The");
1.1 kristaps 1231:
1.224 kristaps 1232: nchild = n->nchild;
1233: for (n = n->child; n; n = n->next) {
1.102 kristaps 1234: term_fontpush(p, TERMFONT_BOLD);
1.224 kristaps 1235: term_word(p, n->string);
1.102 kristaps 1236: term_fontpop(p);
1.224 kristaps 1237:
1238: if (nchild > 2 && n->next) {
1239: p->flags |= TERMP_NOSPACE;
1.68 kristaps 1240: term_word(p, ",");
1.224 kristaps 1241: }
1242:
1243: if (n->next && NULL == n->next->next)
1244: term_word(p, "and");
1.68 kristaps 1245: }
1246:
1.224 kristaps 1247: if (nchild > 1)
1.273 schwarze 1248: term_word(p, "utilities exit\\~0");
1.68 kristaps 1249: else
1.273 schwarze 1250: term_word(p, "utility exits\\~0");
1.68 kristaps 1251:
1.273 schwarze 1252: term_word(p, "on success, and\\~>0 if an error occurs.");
1.224 kristaps 1253:
1.131 kristaps 1254: p->flags |= TERMP_SENTENCE;
1.68 kristaps 1255: return(0);
1.1 kristaps 1256: }
1257:
1258: static int
1259: termp_nd_pre(DECL_ARGS)
1260: {
1.25 kristaps 1261:
1.86 kristaps 1262: if (MDOC_BODY != n->type)
1.25 kristaps 1263: return(1);
1.30 kristaps 1264:
1.27 kristaps 1265: #if defined(__OpenBSD__) || defined(__linux__)
1.41 kristaps 1266: term_word(p, "\\(en");
1.23 kristaps 1267: #else
1268: term_word(p, "\\(em");
1269: #endif
1.1 kristaps 1270: return(1);
1.115 kristaps 1271: }
1272:
1273: static int
1274: termp_bl_pre(DECL_ARGS)
1275: {
1276:
1277: return(MDOC_HEAD != n->type);
1.1 kristaps 1278: }
1279:
1280: static void
1281: termp_bl_post(DECL_ARGS)
1282: {
1283:
1.86 kristaps 1284: if (MDOC_BLOCK == n->type)
1.1 kristaps 1285: term_newln(p);
1286: }
1287:
1288: static int
1289: termp_xr_pre(DECL_ARGS)
1290: {
1291:
1.225 kristaps 1292: if (NULL == (n = n->child))
1.113 kristaps 1293: return(0);
1294:
1.225 kristaps 1295: assert(MDOC_TEXT == n->type);
1296: term_word(p, n->string);
1.11 kristaps 1297:
1.264 schwarze 1298: if (NULL == (n = n->next))
1.1 kristaps 1299: return(0);
1.225 kristaps 1300:
1.1 kristaps 1301: p->flags |= TERMP_NOSPACE;
1302: term_word(p, "(");
1.222 kristaps 1303: p->flags |= TERMP_NOSPACE;
1.225 kristaps 1304:
1305: assert(MDOC_TEXT == n->type);
1306: term_word(p, n->string);
1307:
1.222 kristaps 1308: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1309: term_word(p, ")");
1.86 kristaps 1310:
1.1 kristaps 1311: return(0);
1312: }
1313:
1.143 kristaps 1314: /*
1315: * This decides how to assert whitespace before any of the SYNOPSIS set
1316: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1317: * macro combos).
1318: */
1319: static void
1320: synopsis_pre(struct termp *p, const struct mdoc_node *n)
1321: {
1.264 schwarze 1322: /*
1.143 kristaps 1323: * Obviously, if we're not in a SYNOPSIS or no prior macros
1324: * exist, do nothing.
1325: */
1.160 kristaps 1326: if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143 kristaps 1327: return;
1328:
1329: /*
1330: * If we're the second in a pair of like elements, emit our
1331: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1332: * case we soldier on.
1333: */
1.264 schwarze 1334: if (n->prev->tok == n->tok &&
1335: MDOC_Ft != n->tok &&
1336: MDOC_Fo != n->tok &&
1337: MDOC_Fn != n->tok) {
1.143 kristaps 1338: term_newln(p);
1339: return;
1340: }
1341:
1342: /*
1343: * If we're one of the SYNOPSIS set and non-like pair-wise after
1344: * another (or Fn/Fo, which we've let slip through) then assert
1345: * vertical space, else only newline and move on.
1346: */
1347: switch (n->prev->tok) {
1.264 schwarze 1348: case MDOC_Fd:
1.143 kristaps 1349: /* FALLTHROUGH */
1.264 schwarze 1350: case MDOC_Fn:
1.143 kristaps 1351: /* FALLTHROUGH */
1.264 schwarze 1352: case MDOC_Fo:
1.143 kristaps 1353: /* FALLTHROUGH */
1.264 schwarze 1354: case MDOC_In:
1.143 kristaps 1355: /* FALLTHROUGH */
1.264 schwarze 1356: case MDOC_Vt:
1.143 kristaps 1357: term_vspace(p);
1358: break;
1.264 schwarze 1359: case MDOC_Ft:
1.143 kristaps 1360: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1361: term_vspace(p);
1362: break;
1363: }
1364: /* FALLTHROUGH */
1365: default:
1366: term_newln(p);
1367: break;
1368: }
1369: }
1370:
1.110 kristaps 1371: static int
1372: termp_vt_pre(DECL_ARGS)
1373: {
1374:
1.143 kristaps 1375: if (MDOC_ELEM == n->type) {
1376: synopsis_pre(p, n);
1.245 schwarze 1377: return(termp_under_pre(p, pair, meta, n));
1.143 kristaps 1378: } else if (MDOC_BLOCK == n->type) {
1379: synopsis_pre(p, n);
1380: return(1);
1381: } else if (MDOC_HEAD == n->type)
1.110 kristaps 1382: return(0);
1383:
1.245 schwarze 1384: return(termp_under_pre(p, pair, meta, n));
1.110 kristaps 1385: }
1386:
1.1 kristaps 1387: static int
1.69 kristaps 1388: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1389: {
1390:
1.102 kristaps 1391: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1392: return(1);
1393: }
1394:
1.143 kristaps 1395: static int
1396: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1397: {
1398:
1.143 kristaps 1399: synopsis_pre(p, n);
1.245 schwarze 1400: return(termp_bold_pre(p, pair, meta, n));
1.1 kristaps 1401: }
1402:
1.241 schwarze 1403: static void
1404: termp_fd_post(DECL_ARGS)
1405: {
1406:
1407: term_newln(p);
1408: }
1409:
1.1 kristaps 1410: static int
1411: termp_sh_pre(DECL_ARGS)
1412: {
1.85 kristaps 1413:
1414: /* No vspace between consecutive `Sh' calls. */
1415:
1.86 kristaps 1416: switch (n->type) {
1.264 schwarze 1417: case MDOC_BLOCK:
1.86 kristaps 1418: if (n->prev && MDOC_Sh == n->prev->tok)
1419: if (NULL == n->prev->body->child)
1.65 kristaps 1420: break;
1421: term_vspace(p);
1422: break;
1.264 schwarze 1423: case MDOC_HEAD:
1.102 kristaps 1424: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1425: break;
1.264 schwarze 1426: case MDOC_BODY:
1.238 schwarze 1427: p->offset = term_len(p, p->defindent);
1.239 schwarze 1428: if (SEC_AUTHORS == n->sec)
1429: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1430: break;
1431: default:
1432: break;
1433: }
1434: return(1);
1435: }
1436:
1437: static void
1438: termp_sh_post(DECL_ARGS)
1439: {
1440:
1.86 kristaps 1441: switch (n->type) {
1.264 schwarze 1442: case MDOC_HEAD:
1.1 kristaps 1443: term_newln(p);
1444: break;
1.264 schwarze 1445: case MDOC_BODY:
1.1 kristaps 1446: term_newln(p);
1447: p->offset = 0;
1448: break;
1449: default:
1450: break;
1451: }
1452: }
1453:
1454: static int
1455: termp_bt_pre(DECL_ARGS)
1456: {
1457:
1458: term_word(p, "is currently in beta test.");
1.131 kristaps 1459: p->flags |= TERMP_SENTENCE;
1.81 kristaps 1460: return(0);
1.1 kristaps 1461: }
1462:
1463: static void
1464: termp_lb_post(DECL_ARGS)
1465: {
1466:
1.122 kristaps 1467: if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81 kristaps 1468: term_newln(p);
1.1 kristaps 1469: }
1470:
1471: static int
1472: termp_ud_pre(DECL_ARGS)
1473: {
1474:
1475: term_word(p, "currently under development.");
1.131 kristaps 1476: p->flags |= TERMP_SENTENCE;
1.86 kristaps 1477: return(0);
1.1 kristaps 1478: }
1479:
1480: static int
1481: termp_d1_pre(DECL_ARGS)
1482: {
1483:
1.86 kristaps 1484: if (MDOC_BLOCK != n->type)
1.1 kristaps 1485: return(1);
1486: term_newln(p);
1.238 schwarze 1487: p->offset += term_len(p, p->defindent + 1);
1.1 kristaps 1488: return(1);
1489: }
1490:
1491: static int
1492: termp_ft_pre(DECL_ARGS)
1493: {
1494:
1.141 kristaps 1495: /* NB: MDOC_LINE does not effect this! */
1.143 kristaps 1496: synopsis_pre(p, n);
1.102 kristaps 1497: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1498: return(1);
1499: }
1500:
1501: static int
1502: termp_fn_pre(DECL_ARGS)
1503: {
1.257 schwarze 1504: size_t rmargin = 0;
1.226 kristaps 1505: int pretty;
1506:
1507: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 1508:
1.143 kristaps 1509: synopsis_pre(p, n);
1.139 kristaps 1510:
1.226 kristaps 1511: if (NULL == (n = n->child))
1512: return(0);
1513:
1.251 schwarze 1514: if (pretty) {
1515: rmargin = p->rmargin;
1.257 schwarze 1516: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 1517: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251 schwarze 1518: }
1519:
1.226 kristaps 1520: assert(MDOC_TEXT == n->type);
1.102 kristaps 1521: term_fontpush(p, TERMFONT_BOLD);
1.226 kristaps 1522: term_word(p, n->string);
1.102 kristaps 1523: term_fontpop(p);
1.1 kristaps 1524:
1.251 schwarze 1525: if (pretty) {
1526: term_flushln(p);
1.263 schwarze 1527: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251 schwarze 1528: p->offset = p->rmargin;
1529: p->rmargin = rmargin;
1530: }
1531:
1.1 kristaps 1532: p->flags |= TERMP_NOSPACE;
1533: term_word(p, "(");
1.222 kristaps 1534: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1535:
1.226 kristaps 1536: for (n = n->next; n; n = n->next) {
1537: assert(MDOC_TEXT == n->type);
1.102 kristaps 1538: term_fontpush(p, TERMFONT_UNDER);
1.255 schwarze 1539: if (pretty)
1540: p->flags |= TERMP_NBRWORD;
1.226 kristaps 1541: term_word(p, n->string);
1.102 kristaps 1542: term_fontpop(p);
1543:
1.226 kristaps 1544: if (n->next) {
1.222 kristaps 1545: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1546: term_word(p, ",");
1.222 kristaps 1547: }
1.1 kristaps 1548: }
1549:
1.222 kristaps 1550: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1551: term_word(p, ")");
1552:
1.226 kristaps 1553: if (pretty) {
1.222 kristaps 1554: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1555: term_word(p, ";");
1.251 schwarze 1556: term_flushln(p);
1.222 kristaps 1557: }
1.1 kristaps 1558:
1559: return(0);
1560: }
1561:
1562: static int
1563: termp_fa_pre(DECL_ARGS)
1564: {
1.86 kristaps 1565: const struct mdoc_node *nn;
1.1 kristaps 1566:
1.86 kristaps 1567: if (n->parent->tok != MDOC_Fo) {
1.102 kristaps 1568: term_fontpush(p, TERMFONT_UNDER);
1.1 kristaps 1569: return(1);
1570: }
1571:
1.86 kristaps 1572: for (nn = n->child; nn; nn = nn->next) {
1.102 kristaps 1573: term_fontpush(p, TERMFONT_UNDER);
1.258 schwarze 1574: p->flags |= TERMP_NBRWORD;
1.86 kristaps 1575: term_word(p, nn->string);
1.102 kristaps 1576: term_fontpop(p);
1577:
1.256 schwarze 1578: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222 kristaps 1579: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1580: term_word(p, ",");
1.222 kristaps 1581: }
1.1 kristaps 1582: }
1583:
1584: return(0);
1585: }
1586:
1587: static int
1588: termp_bd_pre(DECL_ARGS)
1589: {
1.272 schwarze 1590: size_t tabwidth, lm, len, rm, rmax;
1.244 schwarze 1591: struct mdoc_node *nn;
1.1 kristaps 1592:
1.86 kristaps 1593: if (MDOC_BLOCK == n->type) {
1.151 kristaps 1594: print_bvspace(p, n, n);
1.54 kristaps 1595: return(1);
1.116 kristaps 1596: } else if (MDOC_HEAD == n->type)
1597: return(0);
1.1 kristaps 1598:
1.202 kristaps 1599: if (n->norm->Bd.offs)
1600: p->offset += a2offs(p, n->norm->Bd.offs);
1.85 kristaps 1601:
1602: /*
1603: * If -ragged or -filled are specified, the block does nothing
1604: * but change the indentation. If -unfilled or -literal are
1605: * specified, text is printed exactly as entered in the display:
1606: * for macro lines, a newline is appended to the line. Blank
1607: * lines are allowed.
1608: */
1.264 schwarze 1609:
1610: if (DISP_literal != n->norm->Bd.type &&
1.272 schwarze 1611: DISP_unfilled != n->norm->Bd.type &&
1612: DISP_centered != n->norm->Bd.type)
1.1 kristaps 1613: return(1);
1614:
1.129 schwarze 1615: tabwidth = p->tabwidth;
1.208 kristaps 1616: if (DISP_literal == n->norm->Bd.type)
1617: p->tabwidth = term_len(p, 8);
1618:
1.272 schwarze 1619: lm = p->offset;
1.119 kristaps 1620: rm = p->rmargin;
1621: rmax = p->maxrmargin;
1.120 kristaps 1622: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1623:
1.86 kristaps 1624: for (nn = n->child; nn; nn = nn->next) {
1.272 schwarze 1625: if (DISP_centered == n->norm->Bd.type) {
1626: if (MDOC_TEXT == nn->type) {
1627: len = term_strlen(p, nn->string);
1628: p->offset = len >= rm ? 0 :
1629: lm + len >= rm ? rm - len :
1630: (lm + rm - len) / 2;
1631: } else
1632: p->offset = lm;
1633: }
1.245 schwarze 1634: print_mdoc_node(p, pair, meta, nn);
1.190 kristaps 1635: /*
1636: * If the printed node flushes its own line, then we
1637: * needn't do it here as well. This is hacky, but the
1638: * notion of selective eoln whitespace is pretty dumb
1639: * anyway, so don't sweat it.
1640: */
1641: switch (nn->tok) {
1.264 schwarze 1642: case MDOC_Sm:
1.193 kristaps 1643: /* FALLTHROUGH */
1.264 schwarze 1644: case MDOC_br:
1.190 kristaps 1645: /* FALLTHROUGH */
1.264 schwarze 1646: case MDOC_sp:
1.190 kristaps 1647: /* FALLTHROUGH */
1.264 schwarze 1648: case MDOC_Bl:
1.196 kristaps 1649: /* FALLTHROUGH */
1.264 schwarze 1650: case MDOC_D1:
1.196 kristaps 1651: /* FALLTHROUGH */
1.264 schwarze 1652: case MDOC_Dl:
1.190 kristaps 1653: /* FALLTHROUGH */
1.264 schwarze 1654: case MDOC_Lp:
1.190 kristaps 1655: /* FALLTHROUGH */
1.264 schwarze 1656: case MDOC_Pp:
1.190 kristaps 1657: continue;
1658: default:
1659: break;
1660: }
1.180 schwarze 1661: if (nn->next && nn->next->line == nn->line)
1662: continue;
1663: term_flushln(p);
1664: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1665: }
1.147 kristaps 1666:
1.129 schwarze 1667: p->tabwidth = tabwidth;
1.119 kristaps 1668: p->rmargin = rm;
1669: p->maxrmargin = rmax;
1.1 kristaps 1670: return(0);
1671: }
1672:
1673: static void
1674: termp_bd_post(DECL_ARGS)
1675: {
1.119 kristaps 1676: size_t rm, rmax;
1.1 kristaps 1677:
1.264 schwarze 1678: if (MDOC_BODY != n->type)
1.1 kristaps 1679: return;
1.118 kristaps 1680:
1.119 kristaps 1681: rm = p->rmargin;
1682: rmax = p->maxrmargin;
1.118 kristaps 1683:
1.264 schwarze 1684: if (DISP_literal == n->norm->Bd.type ||
1685: DISP_unfilled == n->norm->Bd.type)
1.120 kristaps 1686: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118 kristaps 1687:
1.60 kristaps 1688: p->flags |= TERMP_NOSPACE;
1.130 schwarze 1689: term_newln(p);
1.118 kristaps 1690:
1.119 kristaps 1691: p->rmargin = rm;
1692: p->maxrmargin = rmax;
1.1 kristaps 1693: }
1694:
1.211 kristaps 1695: static int
1696: termp_bx_pre(DECL_ARGS)
1.1 kristaps 1697: {
1698:
1.211 kristaps 1699: if (NULL != (n = n->child)) {
1700: term_word(p, n->string);
1701: p->flags |= TERMP_NOSPACE;
1702: term_word(p, "BSD");
1703: } else {
1704: term_word(p, "BSD");
1705: return(0);
1706: }
1707:
1708: if (NULL != (n = n->next)) {
1709: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1710: term_word(p, "-");
1.1 kristaps 1711: p->flags |= TERMP_NOSPACE;
1.213 kristaps 1712: term_word(p, n->string);
1.211 kristaps 1713: }
1714:
1715: return(0);
1.1 kristaps 1716: }
1717:
1718: static int
1.26 kristaps 1719: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1720: {
1.26 kristaps 1721: const char *pp;
1.218 schwarze 1722: int flags;
1.1 kristaps 1723:
1.26 kristaps 1724: pp = NULL;
1.86 kristaps 1725: switch (n->tok) {
1.264 schwarze 1726: case MDOC_Bsx:
1.194 schwarze 1727: pp = "BSD/OS";
1.26 kristaps 1728: break;
1.264 schwarze 1729: case MDOC_Dx:
1.100 kristaps 1730: pp = "DragonFly";
1.26 kristaps 1731: break;
1.264 schwarze 1732: case MDOC_Fx:
1.26 kristaps 1733: pp = "FreeBSD";
1734: break;
1.264 schwarze 1735: case MDOC_Nx:
1.26 kristaps 1736: pp = "NetBSD";
1737: break;
1.264 schwarze 1738: case MDOC_Ox:
1.26 kristaps 1739: pp = "OpenBSD";
1740: break;
1.264 schwarze 1741: case MDOC_Ux:
1.26 kristaps 1742: pp = "UNIX";
1743: break;
1744: default:
1.246 schwarze 1745: abort();
1746: /* NOTREACHED */
1.26 kristaps 1747: }
1.1 kristaps 1748:
1.26 kristaps 1749: term_word(p, pp);
1.214 kristaps 1750: if (n->child) {
1.218 schwarze 1751: flags = p->flags;
1.214 kristaps 1752: p->flags |= TERMP_KEEP;
1753: term_word(p, n->child->string);
1.218 schwarze 1754: p->flags = flags;
1.214 kristaps 1755: }
1756: return(0);
1.1 kristaps 1757: }
1758:
1759: static void
1760: termp_pf_post(DECL_ARGS)
1761: {
1762:
1763: p->flags |= TERMP_NOSPACE;
1764: }
1765:
1766: static int
1767: termp_ss_pre(DECL_ARGS)
1768: {
1769:
1.86 kristaps 1770: switch (n->type) {
1.264 schwarze 1771: case MDOC_BLOCK:
1.1 kristaps 1772: term_newln(p);
1.86 kristaps 1773: if (n->prev)
1.1 kristaps 1774: term_vspace(p);
1775: break;
1.264 schwarze 1776: case MDOC_HEAD:
1.102 kristaps 1777: term_fontpush(p, TERMFONT_BOLD);
1.238 schwarze 1778: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1779: break;
1.274 schwarze 1780: case MDOC_BODY:
1781: p->offset = term_len(p, p->defindent);
1782: break;
1.1 kristaps 1783: default:
1784: break;
1785: }
1786:
1787: return(1);
1788: }
1789:
1790: static void
1791: termp_ss_post(DECL_ARGS)
1792: {
1793:
1.274 schwarze 1794: if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1 kristaps 1795: term_newln(p);
1796: }
1797:
1798: static int
1799: termp_cd_pre(DECL_ARGS)
1800: {
1801:
1.143 kristaps 1802: synopsis_pre(p, n);
1.102 kristaps 1803: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1804: return(1);
1805: }
1806:
1807: static int
1808: termp_in_pre(DECL_ARGS)
1809: {
1.142 schwarze 1810:
1.143 kristaps 1811: synopsis_pre(p, n);
1.1 kristaps 1812:
1.160 kristaps 1813: if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138 kristaps 1814: term_fontpush(p, TERMFONT_BOLD);
1.22 kristaps 1815: term_word(p, "#include");
1.138 kristaps 1816: term_word(p, "<");
1817: } else {
1818: term_word(p, "<");
1819: term_fontpush(p, TERMFONT_UNDER);
1820: }
1.22 kristaps 1821:
1.1 kristaps 1822: p->flags |= TERMP_NOSPACE;
1823: return(1);
1824: }
1825:
1826: static void
1827: termp_in_post(DECL_ARGS)
1828: {
1829:
1.160 kristaps 1830: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1831: term_fontpush(p, TERMFONT_BOLD);
1832:
1.79 kristaps 1833: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1834: term_word(p, ">");
1835:
1.160 kristaps 1836: if (MDOC_SYNPRETTY & n->flags)
1.138 kristaps 1837: term_fontpop(p);
1.1 kristaps 1838: }
1839:
1840: static int
1.45 kristaps 1841: termp_sp_pre(DECL_ARGS)
1842: {
1.91 kristaps 1843: size_t i, len;
1.45 kristaps 1844:
1.86 kristaps 1845: switch (n->tok) {
1.264 schwarze 1846: case MDOC_sp:
1.157 kristaps 1847: len = n->child ? a2height(p, n->child->string) : 1;
1.76 kristaps 1848: break;
1.264 schwarze 1849: case MDOC_br:
1.76 kristaps 1850: len = 0;
1851: break;
1852: default:
1853: len = 1;
1854: break;
1.45 kristaps 1855: }
1856:
1857: if (0 == len)
1858: term_newln(p);
1859: for (i = 0; i < len; i++)
1860: term_vspace(p);
1861:
1862: return(0);
1863: }
1864:
1865: static int
1.268 schwarze 1866: termp_es_pre(DECL_ARGS)
1867: {
1868:
1869: return(0);
1870: }
1871:
1872: static int
1.188 kristaps 1873: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1874: {
1875:
1.203 kristaps 1876: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1877: return(1);
1878:
1.188 kristaps 1879: switch (n->tok) {
1.264 schwarze 1880: case MDOC_Ao:
1.188 kristaps 1881: /* FALLTHROUGH */
1.264 schwarze 1882: case MDOC_Aq:
1.188 kristaps 1883: term_word(p, "<");
1884: break;
1.264 schwarze 1885: case MDOC_Bro:
1.188 kristaps 1886: /* FALLTHROUGH */
1.264 schwarze 1887: case MDOC_Brq:
1.188 kristaps 1888: term_word(p, "{");
1889: break;
1.264 schwarze 1890: case MDOC_Oo:
1.188 kristaps 1891: /* FALLTHROUGH */
1.264 schwarze 1892: case MDOC_Op:
1.188 kristaps 1893: /* FALLTHROUGH */
1.264 schwarze 1894: case MDOC_Bo:
1.188 kristaps 1895: /* FALLTHROUGH */
1.264 schwarze 1896: case MDOC_Bq:
1.188 kristaps 1897: term_word(p, "[");
1898: break;
1.264 schwarze 1899: case MDOC_Do:
1.188 kristaps 1900: /* FALLTHROUGH */
1.264 schwarze 1901: case MDOC_Dq:
1.249 schwarze 1902: term_word(p, "\\(lq");
1.188 kristaps 1903: break;
1.268 schwarze 1904: case MDOC_En:
1905: if (NULL == n->norm->Es ||
1906: NULL == n->norm->Es->child)
1907: return(1);
1908: term_word(p, n->norm->Es->child->string);
1909: break;
1.264 schwarze 1910: case MDOC_Eo:
1.237 schwarze 1911: break;
1.264 schwarze 1912: case MDOC_Po:
1.188 kristaps 1913: /* FALLTHROUGH */
1.264 schwarze 1914: case MDOC_Pq:
1.188 kristaps 1915: term_word(p, "(");
1916: break;
1.264 schwarze 1917: case MDOC__T:
1.205 kristaps 1918: /* FALLTHROUGH */
1.264 schwarze 1919: case MDOC_Qo:
1.188 kristaps 1920: /* FALLTHROUGH */
1.264 schwarze 1921: case MDOC_Qq:
1.188 kristaps 1922: term_word(p, "\"");
1923: break;
1.264 schwarze 1924: case MDOC_Ql:
1.188 kristaps 1925: /* FALLTHROUGH */
1.264 schwarze 1926: case MDOC_So:
1.188 kristaps 1927: /* FALLTHROUGH */
1.264 schwarze 1928: case MDOC_Sq:
1.249 schwarze 1929: term_word(p, "\\(oq");
1.188 kristaps 1930: break;
1931: default:
1932: abort();
1933: /* NOTREACHED */
1934: }
1.1 kristaps 1935:
1936: p->flags |= TERMP_NOSPACE;
1937: return(1);
1938: }
1939:
1940: static void
1.188 kristaps 1941: termp_quote_post(DECL_ARGS)
1.1 kristaps 1942: {
1943:
1.203 kristaps 1944: if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1 kristaps 1945: return;
1946:
1.268 schwarze 1947: if (MDOC_En != n->tok)
1948: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1949:
1.188 kristaps 1950: switch (n->tok) {
1.264 schwarze 1951: case MDOC_Ao:
1.188 kristaps 1952: /* FALLTHROUGH */
1.264 schwarze 1953: case MDOC_Aq:
1.188 kristaps 1954: term_word(p, ">");
1955: break;
1.264 schwarze 1956: case MDOC_Bro:
1.188 kristaps 1957: /* FALLTHROUGH */
1.264 schwarze 1958: case MDOC_Brq:
1.188 kristaps 1959: term_word(p, "}");
1960: break;
1.264 schwarze 1961: case MDOC_Oo:
1.188 kristaps 1962: /* FALLTHROUGH */
1.264 schwarze 1963: case MDOC_Op:
1.188 kristaps 1964: /* FALLTHROUGH */
1.264 schwarze 1965: case MDOC_Bo:
1.188 kristaps 1966: /* FALLTHROUGH */
1.264 schwarze 1967: case MDOC_Bq:
1.188 kristaps 1968: term_word(p, "]");
1969: break;
1.264 schwarze 1970: case MDOC_Do:
1.188 kristaps 1971: /* FALLTHROUGH */
1.264 schwarze 1972: case MDOC_Dq:
1.249 schwarze 1973: term_word(p, "\\(rq");
1.268 schwarze 1974: break;
1975: case MDOC_En:
1976: if (NULL != n->norm->Es &&
1977: NULL != n->norm->Es->child &&
1978: NULL != n->norm->Es->child->next) {
1979: p->flags |= TERMP_NOSPACE;
1980: term_word(p, n->norm->Es->child->next->string);
1981: }
1.237 schwarze 1982: break;
1.264 schwarze 1983: case MDOC_Eo:
1.188 kristaps 1984: break;
1.264 schwarze 1985: case MDOC_Po:
1.188 kristaps 1986: /* FALLTHROUGH */
1.264 schwarze 1987: case MDOC_Pq:
1.188 kristaps 1988: term_word(p, ")");
1989: break;
1.264 schwarze 1990: case MDOC__T:
1.205 kristaps 1991: /* FALLTHROUGH */
1.264 schwarze 1992: case MDOC_Qo:
1.188 kristaps 1993: /* FALLTHROUGH */
1.264 schwarze 1994: case MDOC_Qq:
1.188 kristaps 1995: term_word(p, "\"");
1996: break;
1.264 schwarze 1997: case MDOC_Ql:
1.188 kristaps 1998: /* FALLTHROUGH */
1.264 schwarze 1999: case MDOC_So:
1.188 kristaps 2000: /* FALLTHROUGH */
1.264 schwarze 2001: case MDOC_Sq:
1.249 schwarze 2002: term_word(p, "\\(cq");
1.188 kristaps 2003: break;
2004: default:
2005: abort();
2006: /* NOTREACHED */
2007: }
1.1 kristaps 2008: }
2009:
2010: static int
2011: termp_fo_pre(DECL_ARGS)
2012: {
1.257 schwarze 2013: size_t rmargin = 0;
1.256 schwarze 2014: int pretty;
2015:
2016: pretty = MDOC_SYNPRETTY & n->flags;
1.1 kristaps 2017:
1.141 kristaps 2018: if (MDOC_BLOCK == n->type) {
1.143 kristaps 2019: synopsis_pre(p, n);
1.141 kristaps 2020: return(1);
2021: } else if (MDOC_BODY == n->type) {
1.256 schwarze 2022: if (pretty) {
2023: rmargin = p->rmargin;
1.257 schwarze 2024: p->rmargin = p->offset + term_len(p, 4);
1.263 schwarze 2025: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
2026: TERMP_HANG;
1.256 schwarze 2027: }
1.33 kristaps 2028: p->flags |= TERMP_NOSPACE;
1.1 kristaps 2029: term_word(p, "(");
1.222 kristaps 2030: p->flags |= TERMP_NOSPACE;
1.256 schwarze 2031: if (pretty) {
2032: term_flushln(p);
1.263 schwarze 2033: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
2034: TERMP_HANG);
1.256 schwarze 2035: p->offset = p->rmargin;
2036: p->rmargin = rmargin;
2037: }
1.1 kristaps 2038: return(1);
1.256 schwarze 2039: }
1.141 kristaps 2040:
1.169 kristaps 2041: if (NULL == n->child)
2042: return(0);
2043:
1.141 kristaps 2044: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 2045:
1.141 kristaps 2046: assert(n->child->string);
1.102 kristaps 2047: term_fontpush(p, TERMFONT_BOLD);
1.141 kristaps 2048: term_word(p, n->child->string);
1.1 kristaps 2049: return(0);
2050: }
2051:
2052: static void
2053: termp_fo_post(DECL_ARGS)
2054: {
2055:
1.264 schwarze 2056: if (MDOC_BODY != n->type)
1.143 kristaps 2057: return;
2058:
1.222 kristaps 2059: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2060: term_word(p, ")");
2061:
1.222 kristaps 2062: if (MDOC_SYNPRETTY & n->flags) {
2063: p->flags |= TERMP_NOSPACE;
1.143 kristaps 2064: term_word(p, ";");
1.256 schwarze 2065: term_flushln(p);
1.222 kristaps 2066: }
1.1 kristaps 2067: }
2068:
2069: static int
2070: termp_bf_pre(DECL_ARGS)
2071: {
2072:
1.86 kristaps 2073: if (MDOC_HEAD == n->type)
1.1 kristaps 2074: return(0);
1.244 schwarze 2075: else if (MDOC_BODY != n->type)
1.1 kristaps 2076: return(1);
2077:
1.264 schwarze 2078: if (FONT_Em == n->norm->Bf.font)
1.102 kristaps 2079: term_fontpush(p, TERMFONT_UNDER);
1.264 schwarze 2080: else if (FONT_Sy == n->norm->Bf.font)
1.102 kristaps 2081: term_fontpush(p, TERMFONT_BOLD);
1.264 schwarze 2082: else
1.102 kristaps 2083: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 2084:
2085: return(1);
2086: }
2087:
2088: static int
2089: termp_sm_pre(DECL_ARGS)
2090: {
2091:
1.269 schwarze 2092: if (NULL == n->child)
2093: p->flags ^= TERMP_NONOSPACE;
2094: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 2095: p->flags &= ~TERMP_NONOSPACE;
1.269 schwarze 2096: else
1.1 kristaps 2097: p->flags |= TERMP_NONOSPACE;
1.269 schwarze 2098:
2099: if (p->col && ! (TERMP_NONOSPACE & p->flags))
2100: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 2101:
2102: return(0);
2103: }
2104:
2105: static int
2106: termp_ap_pre(DECL_ARGS)
2107: {
2108:
2109: p->flags |= TERMP_NOSPACE;
1.188 kristaps 2110: term_word(p, "'");
1.1 kristaps 2111: p->flags |= TERMP_NOSPACE;
2112: return(1);
2113: }
2114:
2115: static void
2116: termp____post(DECL_ARGS)
2117: {
1.184 kristaps 2118:
2119: /*
2120: * Handle lists of authors. In general, print each followed by
2121: * a comma. Don't print the comma if there are only two
2122: * authors.
2123: */
2124: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
2125: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
2126: if (NULL == n->prev || MDOC__A != n->prev->tok)
2127: return;
1.1 kristaps 2128:
1.95 kristaps 2129: /* TODO: %U. */
2130:
1.187 kristaps 2131: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
2132: return;
2133:
1.222 kristaps 2134: p->flags |= TERMP_NOSPACE;
1.186 kristaps 2135: if (NULL == n->next) {
2136: term_word(p, ".");
2137: p->flags |= TERMP_SENTENCE;
2138: } else
2139: term_word(p, ",");
1.1 kristaps 2140: }
2141:
2142: static int
1.102 kristaps 2143: termp_li_pre(DECL_ARGS)
2144: {
2145:
2146: term_fontpush(p, TERMFONT_NONE);
2147: return(1);
2148: }
2149:
2150: static int
1.1 kristaps 2151: termp_lk_pre(DECL_ARGS)
2152: {
1.240 schwarze 2153: const struct mdoc_node *link, *descr;
1.1 kristaps 2154:
1.240 schwarze 2155: if (NULL == (link = n->child))
2156: return(0);
1.181 kristaps 2157:
1.240 schwarze 2158: if (NULL != (descr = link->next)) {
2159: term_fontpush(p, TERMFONT_UNDER);
2160: while (NULL != descr) {
2161: term_word(p, descr->string);
2162: descr = descr->next;
2163: }
2164: p->flags |= TERMP_NOSPACE;
2165: term_word(p, ":");
2166: term_fontpop(p);
2167: }
1.1 kristaps 2168:
1.102 kristaps 2169: term_fontpush(p, TERMFONT_BOLD);
1.240 schwarze 2170: term_word(p, link->string);
1.102 kristaps 2171: term_fontpop(p);
1.12 kristaps 2172:
1.1 kristaps 2173: return(0);
2174: }
2175:
1.159 schwarze 2176: static int
2177: termp_bk_pre(DECL_ARGS)
2178: {
2179:
1.161 schwarze 2180: switch (n->type) {
1.264 schwarze 2181: case MDOC_BLOCK:
1.166 kristaps 2182: break;
1.264 schwarze 2183: case MDOC_HEAD:
1.161 schwarze 2184: return(0);
1.264 schwarze 2185: case MDOC_BODY:
1.200 schwarze 2186: if (n->parent->args || 0 == n->prev->nchild)
2187: p->flags |= TERMP_PREKEEP;
1.166 kristaps 2188: break;
1.161 schwarze 2189: default:
2190: abort();
1.166 kristaps 2191: /* NOTREACHED */
1.161 schwarze 2192: }
1.166 kristaps 2193:
2194: return(1);
1.159 schwarze 2195: }
2196:
2197: static void
2198: termp_bk_post(DECL_ARGS)
2199: {
2200:
1.253 schwarze 2201: if (MDOC_BODY == n->type)
1.161 schwarze 2202: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203 kristaps 2203: }
2204:
2205: static void
2206: termp__t_post(DECL_ARGS)
2207: {
2208:
2209: /*
2210: * If we're in an `Rs' and there's a journal present, then quote
2211: * us instead of underlining us (for disambiguation).
2212: */
1.217 schwarze 2213: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2214: n->parent->norm->Rs.quote_T)
1.245 schwarze 2215: termp_quote_post(p, pair, meta, n);
1.203 kristaps 2216:
1.245 schwarze 2217: termp____post(p, pair, meta, n);
1.203 kristaps 2218: }
2219:
2220: static int
2221: termp__t_pre(DECL_ARGS)
2222: {
2223:
2224: /*
2225: * If we're in an `Rs' and there's a journal present, then quote
2226: * us instead of underlining us (for disambiguation).
2227: */
2228: if (n->parent && MDOC_Rs == n->parent->tok &&
1.264 schwarze 2229: n->parent->norm->Rs.quote_T)
1.245 schwarze 2230: return(termp_quote_pre(p, pair, meta, n));
1.203 kristaps 2231:
2232: term_fontpush(p, TERMFONT_UNDER);
2233: return(1);
1.159 schwarze 2234: }
1.1 kristaps 2235:
2236: static int
1.69 kristaps 2237: termp_under_pre(DECL_ARGS)
1.1 kristaps 2238: {
2239:
1.102 kristaps 2240: term_fontpush(p, TERMFONT_UNDER);
1.84 kristaps 2241: return(1);
2242: }
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