Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.258
1.258 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.257 2017/05/30 16:31:25 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.238 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.213 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.213 schwarze 29: #include "mandoc_aux.h"
1.81 schwarze 30: #include "mandoc.h"
1.213 schwarze 31: #include "roff.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.219 schwarze 35: #include "tag.h"
1.61 schwarze 36: #include "main.h"
1.54 schwarze 37:
1.1 kristaps 38: struct termpair {
39: struct termpair *ppair;
1.27 schwarze 40: int count;
1.1 kristaps 41: };
42:
1.29 schwarze 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.215 schwarze 45: const struct roff_meta *meta, \
1.214 schwarze 46: struct roff_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
1.29 schwarze 52:
1.201 schwarze 53: static int a2width(const struct termp *, const char *);
1.62 schwarze 54:
55: static void print_bvspace(struct termp *,
1.214 schwarze 56: const struct roff_node *,
57: const struct roff_node *);
1.166 schwarze 58: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 59: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 60: static void print_mdoc_head(struct termp *, const struct roff_meta *);
61: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166 schwarze 62: static void synopsis_pre(struct termp *,
1.214 schwarze 63: const struct roff_node *);
1.62 schwarze 64:
1.29 schwarze 65: static void termp____post(DECL_ARGS);
1.120 schwarze 66: static void termp__t_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 70: static void termp_eo_post(DECL_ARGS);
1.143 schwarze 71: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 72: static void termp_fo_post(DECL_ARGS);
73: static void termp_in_post(DECL_ARGS);
74: static void termp_it_post(DECL_ARGS);
75: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 76: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 77: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 78: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 79: static void termp_sh_post(DECL_ARGS);
80: static void termp_ss_post(DECL_ARGS);
1.238 schwarze 81: static void termp_xx_post(DECL_ARGS);
1.29 schwarze 82:
1.104 schwarze 83: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 84: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.233 schwarze 95: static int termp_em_pre(DECL_ARGS);
1.222 schwarze 96: static int termp_er_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 99: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 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);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 111: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 114: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_sm_pre(DECL_ARGS);
1.254 schwarze 116: static int termp_pp_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 118: static int termp_sy_pre(DECL_ARGS);
1.219 schwarze 119: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 120: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 121: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 124:
1.249 schwarze 125: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 130: { termp_ss_pre, termp_ss_post }, /* Ss */
1.254 schwarze 131: { termp_pp_pre, NULL }, /* Pp */
1.143 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.73 schwarze 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 139: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 140: { termp_an_pre, NULL }, /* An */
1.249 schwarze 141: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 144: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 145: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 146: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 147: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.166 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 */
1.65 schwarze 156: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 160: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 161: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 162: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 163: { NULL, NULL }, /* St */
1.54 schwarze 164: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 167: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.58 schwarze 170: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 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 */
1.120 schwarze 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.107 schwarze 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.166 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 186: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 187: { NULL, NULL }, /* Bx */
1.193 schwarze 188: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 189: { NULL, NULL }, /* Dc */
1.107 schwarze 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.233 schwarze 194: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 195: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 196: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 197: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 198: { termp_li_pre, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 200: { termp_xx_pre, termp_xx_post }, /* Nx */
201: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.156 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.107 schwarze 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 */
1.107 schwarze 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 */
1.54 schwarze 216: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 217: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.238 schwarze 219: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.166 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.107 schwarze 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.90 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
1.240 schwarze 228: { NULL, NULL }, /* Bt */
1.1 kristaps 229: { NULL, NULL }, /* Hf */
1.170 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 231: { NULL, NULL }, /* Ud */
1.32 schwarze 232: { NULL, termp_lb_post }, /* Lb */
1.254 schwarze 233: { termp_pp_pre, NULL }, /* Lp */
1.166 schwarze 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 */
1.193 schwarze 240: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 241: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 242: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 243: { NULL, termp____post }, /* %Q */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.1 kristaps 246: };
1.249 schwarze 247: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 248:
1.221 schwarze 249: static int fn_prio;
1.1 kristaps 250:
1.249 schwarze 251:
1.55 schwarze 252: void
1.217 schwarze 253: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 254: {
1.214 schwarze 255: struct roff_node *n;
1.61 schwarze 256: struct termp *p;
1.241 schwarze 257: size_t save_defindent;
1.61 schwarze 258:
259: p = (struct termp *)arg;
1.71 schwarze 260: p->overstep = 0;
1.180 schwarze 261: p->rmargin = p->maxrmargin = p->defrmargin;
1.255 schwarze 262: term_tab_set(p, NULL);
263: term_tab_set(p, "T");
264: term_tab_set(p, ".5i");
1.55 schwarze 265:
1.218 schwarze 266: n = mdoc->first->child;
1.180 schwarze 267: if (p->synopsisonly) {
268: while (n != NULL) {
269: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
270: if (n->child->next->child != NULL)
271: print_mdoc_nodelist(p, NULL,
1.218 schwarze 272: &mdoc->meta,
273: n->child->next->child);
1.180 schwarze 274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
1.241 schwarze 280: save_defindent = p->defindent;
1.180 schwarze 281: if (p->defindent == 0)
282: p->defindent = 5;
1.218 schwarze 283: term_begin(p, print_mdoc_head, print_mdoc_foot,
284: &mdoc->meta);
1.236 schwarze 285: while (n != NULL && n->flags & NODE_NOPRT)
286: n = n->next;
1.180 schwarze 287: if (n != NULL) {
288: if (n->tok != MDOC_Sh)
289: term_vspace(p);
1.218 schwarze 290: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 291: }
292: term_end(p);
1.241 schwarze 293: p->defindent = save_defindent;
1.173 schwarze 294: }
1.1 kristaps 295: }
296:
297: static void
1.65 schwarze 298: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 299: {
300:
1.203 schwarze 301: while (n != NULL) {
302: print_mdoc_node(p, pair, meta, n);
303: n = n->next;
304: }
1.1 kristaps 305: }
306:
307: static void
1.65 schwarze 308: print_mdoc_node(DECL_ARGS)
1.1 kristaps 309: {
1.65 schwarze 310: int chld;
1.1 kristaps 311: struct termpair npair;
1.28 schwarze 312: size_t offset, rmargin;
1.1 kristaps 313:
1.236 schwarze 314: if (n->flags & NODE_NOPRT)
315: return;
316:
1.54 schwarze 317: chld = 1;
1.28 schwarze 318: offset = p->offset;
319: rmargin = p->rmargin;
1.237 schwarze 320: n->flags &= ~NODE_ENDED;
1.204 schwarze 321: n->prev_font = p->fonti;
1.1 kristaps 322:
1.63 schwarze 323: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 324: npair.ppair = pair;
1.65 schwarze 325:
1.95 schwarze 326: /*
327: * Keeps only work until the end of a line. If a keep was
328: * invoked in a prior line, revert it to PREKEEP.
329: */
330:
1.237 schwarze 331: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 332: p->flags &= ~TERMP_KEEP;
333: p->flags |= TERMP_PREKEEP;
1.95 schwarze 334: }
1.116 schwarze 335:
336: /*
1.128 schwarze 337: * After the keep flags have been set up, we may now
338: * produce output. Note that some pre-handlers do so.
339: */
340:
341: switch (n->type) {
1.213 schwarze 342: case ROFFT_TEXT:
1.256 schwarze 343: if (*n->string == ' ' && n->flags & NODE_LINE &&
344: (p->flags & TERMP_NONEWLINE) == 0)
1.128 schwarze 345: term_newln(p);
1.237 schwarze 346: if (NODE_DELIMC & n->flags)
1.132 schwarze 347: p->flags |= TERMP_NOSPACE;
1.128 schwarze 348: term_word(p, n->string);
1.237 schwarze 349: if (NODE_DELIMO & n->flags)
1.132 schwarze 350: p->flags |= TERMP_NOSPACE;
1.128 schwarze 351: break;
1.213 schwarze 352: case ROFFT_EQN:
1.237 schwarze 353: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 354: p->flags |= TERMP_NOSPACE;
1.135 schwarze 355: term_eqn(p, n->eqn);
1.237 schwarze 356: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 357: p->flags |= TERMP_NOSPACE;
1.131 schwarze 358: break;
1.213 schwarze 359: case ROFFT_TBL:
1.212 schwarze 360: if (p->tbl.cols == NULL)
361: term_newln(p);
1.128 schwarze 362: term_tbl(p, n->span);
363: break;
364: default:
1.250 schwarze 365: if (n->tok < ROFF_MAX) {
1.251 schwarze 366: roff_term_pre(p, n);
1.253 schwarze 367: return;
1.250 schwarze 368: }
369: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 370: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 371: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 372: chld = (*termacts[n->tok].pre)
1.147 schwarze 373: (p, &npair, meta, n);
1.128 schwarze 374: break;
375: }
1.95 schwarze 376:
1.60 schwarze 377: if (chld && n->child)
1.147 schwarze 378: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 379:
1.146 schwarze 380: term_fontpopq(p,
1.209 schwarze 381: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 382:
1.122 schwarze 383: switch (n->type) {
1.213 schwarze 384: case ROFFT_TEXT:
1.122 schwarze 385: break;
1.213 schwarze 386: case ROFFT_TBL:
1.131 schwarze 387: break;
1.213 schwarze 388: case ROFFT_EQN:
1.122 schwarze 389: break;
390: default:
1.253 schwarze 391: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 392: break;
1.147 schwarze 393: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 394:
395: /*
396: * Explicit end tokens not only call the post
397: * handler, but also tell the respective block
398: * that it must not call the post handler again.
399: */
1.95 schwarze 400: if (ENDBODY_NOT != n->end)
1.237 schwarze 401: n->body->flags |= NODE_ENDED;
1.122 schwarze 402: break;
1.93 schwarze 403: }
1.28 schwarze 404:
1.237 schwarze 405: if (NODE_EOS & n->flags)
1.78 schwarze 406: p->flags |= TERMP_SENTENCE;
407:
1.258 ! schwarze 408: if (n->type != ROFFT_TEXT)
! 409: p->offset = offset;
1.253 schwarze 410: p->rmargin = rmargin;
1.1 kristaps 411: }
412:
413: static void
1.215 schwarze 414: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 415: {
1.191 schwarze 416: size_t sz;
1.87 schwarze 417:
1.65 schwarze 418: term_fontrepl(p, TERMFONT_NONE);
419:
1.166 schwarze 420: /*
1.7 schwarze 421: * Output the footer in new-groff style, that is, three columns
422: * with the middle being the manual date and flanking columns
423: * being the operating system:
424: *
425: * SYSTEM DATE SYSTEM
426: */
427:
1.1 kristaps 428: term_vspace(p);
429:
1.7 schwarze 430: p->offset = 0;
1.191 schwarze 431: sz = term_strlen(p, meta->date);
432: p->rmargin = p->maxrmargin > sz ?
433: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 434: p->trailspace = 1;
1.1 kristaps 435: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
436:
1.147 schwarze 437: term_word(p, meta->os);
1.1 kristaps 438: term_flushln(p);
439:
1.7 schwarze 440: p->offset = p->rmargin;
1.191 schwarze 441: sz = term_strlen(p, meta->os);
442: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 443: p->flags |= TERMP_NOSPACE;
1.7 schwarze 444:
1.147 schwarze 445: term_word(p, meta->date);
1.7 schwarze 446: term_flushln(p);
447:
1.1 kristaps 448: p->offset = p->rmargin;
449: p->rmargin = p->maxrmargin;
1.152 schwarze 450: p->trailspace = 0;
1.1 kristaps 451: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 452: p->flags |= TERMP_NOSPACE;
1.1 kristaps 453:
1.147 schwarze 454: term_word(p, meta->os);
1.1 kristaps 455: term_flushln(p);
1.7 schwarze 456:
457: p->offset = 0;
458: p->rmargin = p->maxrmargin;
459: p->flags = 0;
1.1 kristaps 460: }
461:
462: static void
1.215 schwarze 463: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 464: {
1.169 schwarze 465: char *volume, *title;
466: size_t vollen, titlen;
1.1 kristaps 467:
468: /*
469: * The header is strange. It has three components, which are
470: * really two with the first duplicated. It goes like this:
471: *
472: * IDENTIFIER TITLE IDENTIFIER
473: *
474: * The IDENTIFIER is NAME(SECTION), which is the command-name
475: * (if given, or "unknown" if not) followed by the manual page
476: * section. These are given in `Dt'. The TITLE is a free-form
477: * string depending on the manual volume. If not specified, it
478: * switches on the manual section.
479: */
1.137 schwarze 480:
1.147 schwarze 481: assert(meta->vol);
1.169 schwarze 482: if (NULL == meta->arch)
483: volume = mandoc_strdup(meta->vol);
484: else
485: mandoc_asprintf(&volume, "%s (%s)",
486: meta->vol, meta->arch);
487: vollen = term_strlen(p, volume);
1.1 kristaps 488:
1.177 schwarze 489: if (NULL == meta->msec)
490: title = mandoc_strdup(meta->title);
491: else
492: mandoc_asprintf(&title, "%s(%s)",
493: meta->title, meta->msec);
1.137 schwarze 494: titlen = term_strlen(p, title);
1.1 kristaps 495:
1.137 schwarze 496: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 497: p->trailspace = 1;
1.1 kristaps 498: p->offset = 0;
1.169 schwarze 499: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
500: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 501: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 502:
503: term_word(p, title);
504: term_flushln(p);
505:
1.137 schwarze 506: p->flags |= TERMP_NOSPACE;
1.1 kristaps 507: p->offset = p->rmargin;
1.169 schwarze 508: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 509: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 510:
1.169 schwarze 511: term_word(p, volume);
1.1 kristaps 512: term_flushln(p);
513:
514: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 515: p->trailspace = 0;
1.137 schwarze 516: if (p->rmargin + titlen <= p->maxrmargin) {
517: p->flags |= TERMP_NOSPACE;
518: p->offset = p->rmargin;
519: p->rmargin = p->maxrmargin;
520: term_word(p, title);
521: term_flushln(p);
522: }
1.1 kristaps 523:
1.137 schwarze 524: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 525: p->offset = 0;
1.1 kristaps 526: p->rmargin = p->maxrmargin;
1.168 schwarze 527: free(title);
1.169 schwarze 528: free(volume);
1.1 kristaps 529: }
530:
1.201 schwarze 531: static int
1.89 schwarze 532: a2width(const struct termp *p, const char *v)
1.61 schwarze 533: {
534: struct roffsu su;
1.1 kristaps 535:
1.199 schwarze 536: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 537: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 538: su.scale /= term_strlen(p, "0");
1.201 schwarze 539: }
1.227 schwarze 540: return term_hspan(p, &su) / 24;
1.1 kristaps 541: }
542:
1.68 schwarze 543: /*
544: * Determine how much space to print out before block elements of `It'
545: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
546: * too.
547: */
1.45 schwarze 548: static void
1.166 schwarze 549: print_bvspace(struct termp *p,
1.214 schwarze 550: const struct roff_node *bl,
551: const struct roff_node *n)
1.1 kristaps 552: {
1.214 schwarze 553: const struct roff_node *nn;
1.138 schwarze 554:
555: assert(n);
1.1 kristaps 556:
557: term_newln(p);
1.88 schwarze 558:
1.121 schwarze 559: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 560: return;
1.121 schwarze 561: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 562: return;
563:
1.60 schwarze 564: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 565:
1.188 schwarze 566: nn = n;
1.236 schwarze 567: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
568: nn = nn->prev;
1.188 schwarze 569: while (nn->prev == NULL) {
570: do {
571: nn = nn->parent;
1.213 schwarze 572: if (nn->type == ROFFT_ROOT)
1.188 schwarze 573: return;
1.213 schwarze 574: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 575: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 576: return;
1.188 schwarze 577: if (nn->tok == MDOC_It &&
578: nn->parent->parent->norm->Bl.type != LIST_item)
579: break;
1.1 kristaps 580: }
581:
1.60 schwarze 582: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 583:
1.121 schwarze 584: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 585: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 586: return;
587:
1.60 schwarze 588: /* A `-diag' without body does not vspace. */
589:
1.121 schwarze 590: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 591: if (n->prev && MDOC_It == n->prev->tok) {
592: assert(n->prev->body);
593: if (NULL == n->prev->body->child)
1.45 schwarze 594: return;
595: }
596:
597: term_vspace(p);
1.162 schwarze 598: }
599:
1.1 kristaps 600:
601: static int
602: termp_it_pre(DECL_ARGS)
603: {
1.244 schwarze 604: struct roffsu su;
1.201 schwarze 605: char buf[24];
1.214 schwarze 606: const struct roff_node *bl, *nn;
1.201 schwarze 607: size_t ncols, dcol;
608: int i, offset, width;
1.82 schwarze 609: enum mdoc_list type;
1.1 kristaps 610:
1.213 schwarze 611: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 612: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 613: return 1;
1.45 schwarze 614: }
1.1 kristaps 615:
1.60 schwarze 616: bl = n->parent->parent->parent;
1.121 schwarze 617: type = bl->norm->Bl.type;
1.1 kristaps 618:
1.166 schwarze 619: /*
1.201 schwarze 620: * Defaults for specific list types.
621: */
622:
623: switch (type) {
624: case LIST_bullet:
625: case LIST_dash:
626: case LIST_hyphen:
627: case LIST_enum:
628: width = term_len(p, 2);
629: break;
630: case LIST_hang:
1.231 schwarze 631: case LIST_tag:
1.201 schwarze 632: width = term_len(p, 8);
633: break;
634: case LIST_column:
635: width = term_len(p, 10);
636: break;
637: default:
638: width = 0;
639: break;
640: }
641: offset = 0;
642:
643: /*
1.68 schwarze 644: * First calculate width and offset. This is pretty easy unless
645: * we're a -column list, in which case all prior columns must
646: * be accounted for.
647: */
648:
1.201 schwarze 649: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 650: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 651: if (offset < 0 && (size_t)(-offset) > p->offset)
652: offset = -p->offset;
653: else if (offset > SHRT_MAX)
654: offset = 0;
655: }
1.66 schwarze 656:
1.1 kristaps 657: switch (type) {
1.166 schwarze 658: case LIST_column:
1.213 schwarze 659: if (n->type == ROFFT_HEAD)
1.1 kristaps 660: break;
1.88 schwarze 661:
1.66 schwarze 662: /*
1.68 schwarze 663: * Imitate groff's column handling:
664: * - For each earlier column, add its width.
665: * - For less than 5 columns, add four more blanks per
666: * column.
667: * - For exactly 5 columns, add three more blank per
668: * column.
669: * - For more than 5 columns, add only one column.
1.66 schwarze 670: */
1.121 schwarze 671: ncols = bl->norm->Bl.ncols;
1.166 schwarze 672: dcol = ncols < 5 ? term_len(p, 4) :
673: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 674:
1.85 schwarze 675: /*
1.213 schwarze 676: * Calculate the offset by applying all prior ROFFT_BODY,
677: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 678: */
679:
1.166 schwarze 680: for (i = 0, nn = n->prev;
681: nn->prev && i < (int)ncols;
1.244 schwarze 682: nn = nn->prev, i++) {
683: SCALE_HS_INIT(&su,
684: term_strlen(p, bl->norm->Bl.cols[i]));
685: su.scale /= term_strlen(p, "0");
686: offset += term_hspan(p, &su) / 24 + dcol;
687: }
1.66 schwarze 688:
689: /*
1.68 schwarze 690: * When exceeding the declared number of columns, leave
691: * the remaining widths at 0. This will later be
692: * adjusted to the default width of 10, or, for the last
693: * column, stretched to the right margin.
1.46 schwarze 694: */
1.68 schwarze 695: if (i >= (int)ncols)
696: break;
1.46 schwarze 697:
1.66 schwarze 698: /*
1.68 schwarze 699: * Use the declared column widths, extended as explained
700: * in the preceding paragraph.
1.66 schwarze 701: */
1.244 schwarze 702: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
703: su.scale /= term_strlen(p, "0");
704: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 705: break;
706: default:
1.121 schwarze 707: if (NULL == bl->norm->Bl.width)
1.68 schwarze 708: break;
709:
1.166 schwarze 710: /*
1.68 schwarze 711: * Note: buffer the width by 2, which is groff's magic
712: * number for buffering single arguments. See the above
713: * handling for column for how this changes.
714: */
1.121 schwarze 715: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 716: if (width < 0 && (size_t)(-width) > p->offset)
717: width = -p->offset;
718: else if (width > SHRT_MAX)
719: width = 0;
1.1 kristaps 720: break;
721: }
722:
1.166 schwarze 723: /*
1.16 schwarze 724: * Whitespace control. Inset bodies need an initial space,
725: * while diagonal bodies need two.
1.1 kristaps 726: */
727:
1.42 schwarze 728: p->flags |= TERMP_NOSPACE;
729:
1.1 kristaps 730: switch (type) {
1.166 schwarze 731: case LIST_diag:
1.213 schwarze 732: if (n->type == ROFFT_BODY)
1.48 schwarze 733: term_word(p, "\\ \\ ");
1.42 schwarze 734: break;
1.166 schwarze 735: case LIST_inset:
1.230 schwarze 736: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 737: term_word(p, "\\ ");
1.1 kristaps 738: break;
739: default:
740: break;
741: }
742:
1.42 schwarze 743: p->flags |= TERMP_NOSPACE;
744:
1.1 kristaps 745: switch (type) {
1.166 schwarze 746: case LIST_diag:
1.213 schwarze 747: if (n->type == ROFFT_HEAD)
1.65 schwarze 748: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 749: break;
750: default:
751: break;
752: }
753:
754: /*
1.68 schwarze 755: * Pad and break control. This is the tricky part. These flags
756: * are documented in term_flushln() in term.c. Note that we're
757: * going to unset all of these flags in termp_it_post() when we
758: * exit.
1.1 kristaps 759: */
760:
761: switch (type) {
1.166 schwarze 762: case LIST_enum:
1.228 schwarze 763: case LIST_bullet:
764: case LIST_dash:
765: case LIST_hyphen:
1.144 schwarze 766: /*
767: * Weird special case.
1.201 schwarze 768: * Some very narrow lists actually hang.
1.144 schwarze 769: */
1.201 schwarze 770: if (width <= (int)term_len(p, 2))
771: p->flags |= TERMP_HANG;
1.213 schwarze 772: if (n->type != ROFFT_HEAD)
1.152 schwarze 773: break;
774: p->flags |= TERMP_NOBREAK;
775: p->trailspace = 1;
1.33 schwarze 776: break;
1.166 schwarze 777: case LIST_hang:
1.213 schwarze 778: if (n->type != ROFFT_HEAD)
1.47 schwarze 779: break;
780:
781: /*
782: * This is ugly. If `-hang' is specified and the body
783: * is a `Bl' or `Bd', then we want basically to nullify
784: * the "overstep" effect in term_flushln() and treat
785: * this as a `-ohang' list instead.
786: */
1.178 schwarze 787: if (NULL != n->next &&
788: NULL != n->next->child &&
1.166 schwarze 789: (MDOC_Bl == n->next->child->tok ||
790: MDOC_Bd == n->next->child->tok))
1.152 schwarze 791: break;
792:
1.165 schwarze 793: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 794: p->trailspace = 1;
1.33 schwarze 795: break;
1.166 schwarze 796: case LIST_tag:
1.213 schwarze 797: if (n->type != ROFFT_HEAD)
1.33 schwarze 798: break;
1.152 schwarze 799:
1.225 schwarze 800: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 801: p->trailspace = 2;
802:
1.60 schwarze 803: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 804: p->flags |= TERMP_DANGLE;
1.1 kristaps 805: break;
1.166 schwarze 806: case LIST_column:
1.213 schwarze 807: if (n->type == ROFFT_HEAD)
1.85 schwarze 808: break;
809:
1.152 schwarze 810: if (NULL == n->next) {
1.85 schwarze 811: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 812: p->trailspace = 0;
813: } else {
1.85 schwarze 814: p->flags |= TERMP_NOBREAK;
1.152 schwarze 815: p->trailspace = 1;
816: }
1.85 schwarze 817:
1.1 kristaps 818: break;
1.166 schwarze 819: case LIST_diag:
1.213 schwarze 820: if (n->type != ROFFT_HEAD)
1.152 schwarze 821: break;
1.165 schwarze 822: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 823: p->trailspace = 1;
1.1 kristaps 824: break;
825: default:
826: break;
827: }
828:
1.166 schwarze 829: /*
1.1 kristaps 830: * Margin control. Set-head-width lists have their right
831: * margins shortened. The body for these lists has the offset
832: * necessarily lengthened. Everybody gets the offset.
833: */
834:
835: p->offset += offset;
836:
837: switch (type) {
1.166 schwarze 838: case LIST_hang:
1.47 schwarze 839: /*
840: * Same stipulation as above, regarding `-hang'. We
841: * don't want to recalculate rmargin and offsets when
842: * using `Bd' or `Bl' within `-hang' overstep lists.
843: */
1.213 schwarze 844: if (n->type == ROFFT_HEAD &&
1.178 schwarze 845: NULL != n->next &&
846: NULL != n->next->child &&
1.166 schwarze 847: (MDOC_Bl == n->next->child->tok ||
848: MDOC_Bd == n->next->child->tok))
1.47 schwarze 849: break;
850: /* FALLTHROUGH */
1.166 schwarze 851: case LIST_bullet:
852: case LIST_dash:
853: case LIST_enum:
854: case LIST_hyphen:
855: case LIST_tag:
1.213 schwarze 856: if (n->type == ROFFT_HEAD)
1.1 kristaps 857: p->rmargin = p->offset + width;
1.191 schwarze 858: else
1.1 kristaps 859: p->offset += width;
860: break;
1.166 schwarze 861: case LIST_column:
1.41 schwarze 862: assert(width);
1.1 kristaps 863: p->rmargin = p->offset + width;
1.166 schwarze 864: /*
1.43 schwarze 865: * XXX - this behaviour is not documented: the
866: * right-most column is filled to the right margin.
867: */
1.213 schwarze 868: if (n->type == ROFFT_HEAD)
1.85 schwarze 869: break;
870: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 871: p->rmargin = p->maxrmargin;
1.1 kristaps 872: break;
873: default:
874: break;
875: }
876:
1.166 schwarze 877: /*
1.1 kristaps 878: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 879: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 880: */
881:
1.213 schwarze 882: if (n->type == ROFFT_HEAD)
1.1 kristaps 883: switch (type) {
1.166 schwarze 884: case LIST_bullet:
1.65 schwarze 885: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 886: term_word(p, "\\[bu]");
1.65 schwarze 887: term_fontpop(p);
1.1 kristaps 888: break;
1.166 schwarze 889: case LIST_dash:
890: case LIST_hyphen:
1.65 schwarze 891: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 892: term_word(p, "-");
1.65 schwarze 893: term_fontpop(p);
1.1 kristaps 894: break;
1.166 schwarze 895: case LIST_enum:
1.1 kristaps 896: (pair->ppair->ppair->count)++;
1.167 schwarze 897: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 898: pair->ppair->ppair->count);
1.1 kristaps 899: term_word(p, buf);
900: break;
901: default:
902: break;
903: }
1.12 schwarze 904:
1.166 schwarze 905: /*
1.1 kristaps 906: * If we're not going to process our children, indicate so here.
907: */
908:
909: switch (type) {
1.166 schwarze 910: case LIST_bullet:
911: case LIST_item:
912: case LIST_dash:
913: case LIST_hyphen:
914: case LIST_enum:
1.213 schwarze 915: if (n->type == ROFFT_HEAD)
1.227 schwarze 916: return 0;
1.1 kristaps 917: break;
1.166 schwarze 918: case LIST_column:
1.213 schwarze 919: if (n->type == ROFFT_HEAD)
1.227 schwarze 920: return 0;
1.1 kristaps 921: break;
922: default:
923: break;
924: }
925:
1.227 schwarze 926: return 1;
1.1 kristaps 927: }
928:
929: static void
930: termp_it_post(DECL_ARGS)
931: {
1.82 schwarze 932: enum mdoc_list type;
1.1 kristaps 933:
1.213 schwarze 934: if (n->type == ROFFT_BLOCK)
1.1 kristaps 935: return;
936:
1.121 schwarze 937: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 938:
939: switch (type) {
1.166 schwarze 940: case LIST_item:
941: case LIST_diag:
942: case LIST_inset:
1.213 schwarze 943: if (n->type == ROFFT_BODY)
1.74 schwarze 944: term_newln(p);
1.1 kristaps 945: break;
1.166 schwarze 946: case LIST_column:
1.213 schwarze 947: if (n->type == ROFFT_BODY)
1.1 kristaps 948: term_flushln(p);
949: break;
950: default:
1.74 schwarze 951: term_newln(p);
1.1 kristaps 952: break;
953: }
954:
1.166 schwarze 955: /*
1.68 schwarze 956: * Now that our output is flushed, we can reset our tags. Since
957: * only `It' sets these flags, we're free to assume that nobody
958: * has munged them in the meanwhile.
959: */
960:
1.225 schwarze 961: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 962: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 963: p->trailspace = 0;
1.1 kristaps 964: }
965:
966: static int
967: termp_nm_pre(DECL_ARGS)
968: {
1.195 schwarze 969: const char *cp;
1.1 kristaps 970:
1.213 schwarze 971: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 972: p->flags |= TERMP_PREKEEP;
1.227 schwarze 973: return 1;
1.155 schwarze 974: }
1.94 schwarze 975:
1.213 schwarze 976: if (n->type == ROFFT_BODY) {
1.94 schwarze 977: if (NULL == n->child)
1.227 schwarze 978: return 0;
1.136 schwarze 979: p->flags |= TERMP_NOSPACE;
1.195 schwarze 980: cp = NULL;
981: if (n->prev->child != NULL)
982: cp = n->prev->child->string;
983: if (cp == NULL)
984: cp = meta->name;
985: if (cp == NULL)
986: p->offset += term_len(p, 6);
987: else
988: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 989: return 1;
1.94 schwarze 990: }
991:
1.242 schwarze 992: if (n->child == NULL)
1.227 schwarze 993: return 0;
1.81 schwarze 994:
1.213 schwarze 995: if (n->type == ROFFT_HEAD)
1.97 schwarze 996: synopsis_pre(p, n->parent);
1.65 schwarze 997:
1.213 schwarze 998: if (n->type == ROFFT_HEAD &&
1.178 schwarze 999: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1000: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1001: p->trailspace = 1;
1.105 schwarze 1002: p->rmargin = p->offset + term_len(p, 1);
1003: if (NULL == n->child) {
1.147 schwarze 1004: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1005: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1006: p->rmargin += term_strlen(p, n->child->string);
1007: if (n->child->next)
1008: p->flags |= TERMP_HANG;
1009: } else {
1010: p->rmargin += term_len(p, 5);
1011: p->flags |= TERMP_HANG;
1012: }
1.94 schwarze 1013: }
1014:
1.65 schwarze 1015: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1016: return 1;
1.1 kristaps 1017: }
1018:
1.94 schwarze 1019: static void
1020: termp_nm_post(DECL_ARGS)
1021: {
1022:
1.213 schwarze 1023: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1024: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1025: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1026: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1027: term_flushln(p);
1.165 schwarze 1028: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1029: p->trailspace = 0;
1.213 schwarze 1030: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1031: term_flushln(p);
1032: }
1033:
1.1 kristaps 1034: static int
1035: termp_fl_pre(DECL_ARGS)
1036: {
1037:
1.219 schwarze 1038: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1039: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1040: term_word(p, "\\-");
1.67 schwarze 1041:
1.230 schwarze 1042: if (!(n->child == NULL &&
1.179 schwarze 1043: (n->next == NULL ||
1.213 schwarze 1044: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1045: n->next->flags & NODE_LINE)))
1.73 schwarze 1046: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1047:
1.227 schwarze 1048: return 1;
1.49 schwarze 1049: }
1050:
1051: static int
1.104 schwarze 1052: termp__a_pre(DECL_ARGS)
1053: {
1054:
1055: if (n->prev && MDOC__A == n->prev->tok)
1056: if (NULL == n->next || MDOC__A != n->next->tok)
1057: term_word(p, "and");
1058:
1.227 schwarze 1059: return 1;
1.104 schwarze 1060: }
1061:
1062: static int
1.49 schwarze 1063: termp_an_pre(DECL_ARGS)
1064: {
1065:
1.181 schwarze 1066: if (n->norm->An.auth == AUTH_split) {
1067: p->flags &= ~TERMP_NOSPLIT;
1068: p->flags |= TERMP_SPLIT;
1.227 schwarze 1069: return 0;
1.181 schwarze 1070: }
1071: if (n->norm->An.auth == AUTH_nosplit) {
1072: p->flags &= ~TERMP_SPLIT;
1073: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1074: return 0;
1.181 schwarze 1075: }
1.166 schwarze 1076:
1.181 schwarze 1077: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1078: term_newln(p);
1079:
1.181 schwarze 1080: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1081: p->flags |= TERMP_SPLIT;
1.49 schwarze 1082:
1.227 schwarze 1083: return 1;
1.1 kristaps 1084: }
1085:
1086: static int
1087: termp_ns_pre(DECL_ARGS)
1088: {
1089:
1.237 schwarze 1090: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1091: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1092: return 1;
1.1 kristaps 1093: }
1094:
1095: static int
1096: termp_rs_pre(DECL_ARGS)
1097: {
1098:
1.60 schwarze 1099: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1100: return 1;
1.213 schwarze 1101: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1102: term_vspace(p);
1.227 schwarze 1103: return 1;
1.1 kristaps 1104: }
1105:
1106: static int
1107: termp_ex_pre(DECL_ARGS)
1108: {
1.132 schwarze 1109: term_newln(p);
1.240 schwarze 1110: return 1;
1.1 kristaps 1111: }
1112:
1113: static int
1114: termp_nd_pre(DECL_ARGS)
1115: {
1.25 schwarze 1116:
1.213 schwarze 1117: if (n->type == ROFFT_BODY)
1.196 schwarze 1118: term_word(p, "\\(en");
1.227 schwarze 1119: return 1;
1.1 kristaps 1120: }
1121:
1.73 schwarze 1122: static int
1123: termp_bl_pre(DECL_ARGS)
1124: {
1125:
1.227 schwarze 1126: return n->type != ROFFT_HEAD;
1.73 schwarze 1127: }
1128:
1.1 kristaps 1129: static void
1130: termp_bl_post(DECL_ARGS)
1131: {
1132:
1.255 schwarze 1133: if (n->type != ROFFT_BLOCK)
1134: return;
1135: term_newln(p);
1136: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1137: return;
1138: term_tab_set(p, NULL);
1139: term_tab_set(p, "T");
1140: term_tab_set(p, ".5i");
1.1 kristaps 1141: }
1142:
1143: static int
1144: termp_xr_pre(DECL_ARGS)
1145: {
1146:
1.132 schwarze 1147: if (NULL == (n = n->child))
1.227 schwarze 1148: return 0;
1.72 schwarze 1149:
1.213 schwarze 1150: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1151: term_word(p, n->string);
1.10 schwarze 1152:
1.166 schwarze 1153: if (NULL == (n = n->next))
1.227 schwarze 1154: return 0;
1.132 schwarze 1155:
1.1 kristaps 1156: p->flags |= TERMP_NOSPACE;
1157: term_word(p, "(");
1.132 schwarze 1158: p->flags |= TERMP_NOSPACE;
1159:
1.213 schwarze 1160: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1161: term_word(p, n->string);
1162:
1163: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1164: term_word(p, ")");
1.60 schwarze 1165:
1.227 schwarze 1166: return 0;
1.1 kristaps 1167: }
1168:
1.86 schwarze 1169: /*
1170: * This decides how to assert whitespace before any of the SYNOPSIS set
1171: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1172: * macro combos).
1173: */
1174: static void
1.214 schwarze 1175: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1176: {
1.166 schwarze 1177: /*
1.86 schwarze 1178: * Obviously, if we're not in a SYNOPSIS or no prior macros
1179: * exist, do nothing.
1180: */
1.237 schwarze 1181: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1182: return;
1183:
1184: /*
1185: * If we're the second in a pair of like elements, emit our
1186: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1187: * case we soldier on.
1188: */
1.166 schwarze 1189: if (n->prev->tok == n->tok &&
1190: MDOC_Ft != n->tok &&
1191: MDOC_Fo != n->tok &&
1192: MDOC_Fn != n->tok) {
1.86 schwarze 1193: term_newln(p);
1194: return;
1195: }
1196:
1197: /*
1198: * If we're one of the SYNOPSIS set and non-like pair-wise after
1199: * another (or Fn/Fo, which we've let slip through) then assert
1200: * vertical space, else only newline and move on.
1201: */
1202: switch (n->prev->tok) {
1.166 schwarze 1203: case MDOC_Fd:
1204: case MDOC_Fn:
1205: case MDOC_Fo:
1206: case MDOC_In:
1207: case MDOC_Vt:
1.86 schwarze 1208: term_vspace(p);
1209: break;
1.166 schwarze 1210: case MDOC_Ft:
1.86 schwarze 1211: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1212: term_vspace(p);
1213: break;
1214: }
1215: /* FALLTHROUGH */
1216: default:
1217: term_newln(p);
1218: break;
1219: }
1220: }
1221:
1.69 schwarze 1222: static int
1223: termp_vt_pre(DECL_ARGS)
1224: {
1225:
1.213 schwarze 1226: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1227: synopsis_pre(p, n);
1.227 schwarze 1228: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1229: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1230: synopsis_pre(p, n);
1.227 schwarze 1231: return 1;
1.213 schwarze 1232: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1233: return 0;
1.69 schwarze 1234:
1.227 schwarze 1235: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1236: }
1237:
1.1 kristaps 1238: static int
1.54 schwarze 1239: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1240: {
1241:
1.219 schwarze 1242: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1243: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1244: return 1;
1.1 kristaps 1245: }
1246:
1.86 schwarze 1247: static int
1248: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1249: {
1250:
1.86 schwarze 1251: synopsis_pre(p, n);
1.227 schwarze 1252: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1253: }
1254:
1.143 schwarze 1255: static void
1256: termp_fd_post(DECL_ARGS)
1257: {
1258:
1259: term_newln(p);
1260: }
1261:
1.1 kristaps 1262: static int
1263: termp_sh_pre(DECL_ARGS)
1264: {
1.60 schwarze 1265:
1266: switch (n->type) {
1.213 schwarze 1267: case ROFFT_BLOCK:
1.192 schwarze 1268: /*
1269: * Vertical space before sections, except
1270: * when the previous section was empty.
1271: */
1272: if (n->prev == NULL ||
1.221 schwarze 1273: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1274: (n->prev->body != NULL &&
1275: n->prev->body->child != NULL))
1276: term_vspace(p);
1.52 schwarze 1277: break;
1.213 schwarze 1278: case ROFFT_HEAD:
1.65 schwarze 1279: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1280: break;
1.213 schwarze 1281: case ROFFT_BODY:
1.140 schwarze 1282: p->offset = term_len(p, p->defindent);
1.255 schwarze 1283: term_tab_set(p, NULL);
1284: term_tab_set(p, "T");
1285: term_tab_set(p, ".5i");
1.221 schwarze 1286: switch (n->sec) {
1287: case SEC_DESCRIPTION:
1288: fn_prio = 0;
1289: break;
1290: case SEC_AUTHORS:
1.141 schwarze 1291: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1292: break;
1293: default:
1294: break;
1295: }
1.1 kristaps 1296: break;
1297: default:
1298: break;
1299: }
1.227 schwarze 1300: return 1;
1.1 kristaps 1301: }
1302:
1303: static void
1304: termp_sh_post(DECL_ARGS)
1305: {
1306:
1.60 schwarze 1307: switch (n->type) {
1.213 schwarze 1308: case ROFFT_HEAD:
1.1 kristaps 1309: term_newln(p);
1310: break;
1.213 schwarze 1311: case ROFFT_BODY:
1.1 kristaps 1312: term_newln(p);
1313: p->offset = 0;
1314: break;
1315: default:
1316: break;
1317: }
1318: }
1319:
1320: static void
1321: termp_lb_post(DECL_ARGS)
1322: {
1323:
1.237 schwarze 1324: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1325: term_newln(p);
1.1 kristaps 1326: }
1327:
1328: static int
1329: termp_d1_pre(DECL_ARGS)
1330: {
1331:
1.213 schwarze 1332: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1333: return 1;
1.1 kristaps 1334: term_newln(p);
1.140 schwarze 1335: p->offset += term_len(p, p->defindent + 1);
1.255 schwarze 1336: term_tab_set(p, NULL);
1337: term_tab_set(p, "T");
1338: term_tab_set(p, ".5i");
1.227 schwarze 1339: return 1;
1.1 kristaps 1340: }
1341:
1342: static int
1343: termp_ft_pre(DECL_ARGS)
1344: {
1345:
1.237 schwarze 1346: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1347: synopsis_pre(p, n);
1.65 schwarze 1348: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1349: return 1;
1.1 kristaps 1350: }
1351:
1352: static int
1353: termp_fn_pre(DECL_ARGS)
1354: {
1.159 schwarze 1355: size_t rmargin = 0;
1.132 schwarze 1356: int pretty;
1357:
1.237 schwarze 1358: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1359:
1.86 schwarze 1360: synopsis_pre(p, n);
1.85 schwarze 1361:
1.132 schwarze 1362: if (NULL == (n = n->child))
1.227 schwarze 1363: return 0;
1.132 schwarze 1364:
1.153 schwarze 1365: if (pretty) {
1366: rmargin = p->rmargin;
1.159 schwarze 1367: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1368: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1369: }
1370:
1.213 schwarze 1371: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1372: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1373: term_word(p, n->string);
1.65 schwarze 1374: term_fontpop(p);
1.1 kristaps 1375:
1.235 schwarze 1376: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1377: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1378:
1.153 schwarze 1379: if (pretty) {
1380: term_flushln(p);
1.165 schwarze 1381: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1382: p->offset = p->rmargin;
1383: p->rmargin = rmargin;
1384: }
1385:
1.1 kristaps 1386: p->flags |= TERMP_NOSPACE;
1387: term_word(p, "(");
1.132 schwarze 1388: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1389:
1.132 schwarze 1390: for (n = n->next; n; n = n->next) {
1.213 schwarze 1391: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1392: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1393: if (pretty)
1394: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1395: term_word(p, n->string);
1.65 schwarze 1396: term_fontpop(p);
1397:
1.132 schwarze 1398: if (n->next) {
1399: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1400: term_word(p, ",");
1.132 schwarze 1401: }
1.1 kristaps 1402: }
1403:
1.132 schwarze 1404: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1405: term_word(p, ")");
1406:
1.132 schwarze 1407: if (pretty) {
1408: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1409: term_word(p, ";");
1.153 schwarze 1410: term_flushln(p);
1.132 schwarze 1411: }
1.1 kristaps 1412:
1.227 schwarze 1413: return 0;
1.1 kristaps 1414: }
1415:
1416: static int
1417: termp_fa_pre(DECL_ARGS)
1418: {
1.214 schwarze 1419: const struct roff_node *nn;
1.1 kristaps 1420:
1.60 schwarze 1421: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1422: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1423: return 1;
1.1 kristaps 1424: }
1425:
1.60 schwarze 1426: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1427: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1428: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1429: term_word(p, nn->string);
1.65 schwarze 1430: term_fontpop(p);
1431:
1.158 schwarze 1432: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1433: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1434: term_word(p, ",");
1.132 schwarze 1435: }
1.1 kristaps 1436: }
1437:
1.227 schwarze 1438: return 0;
1.1 kristaps 1439: }
1440:
1441: static int
1442: termp_bd_pre(DECL_ARGS)
1443: {
1.255 schwarze 1444: size_t lm, len, rm, rmax;
1.214 schwarze 1445: struct roff_node *nn;
1.201 schwarze 1446: int offset;
1.1 kristaps 1447:
1.213 schwarze 1448: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1449: print_bvspace(p, n, n);
1.227 schwarze 1450: return 1;
1.213 schwarze 1451: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1452: return 0;
1.1 kristaps 1453:
1.187 schwarze 1454: /* Handle the -offset argument. */
1455:
1456: if (n->norm->Bd.offs == NULL ||
1457: ! strcmp(n->norm->Bd.offs, "left"))
1458: /* nothing */;
1459: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1460: p->offset += term_len(p, p->defindent + 1);
1461: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1462: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1463: else {
1464: offset = a2width(p, n->norm->Bd.offs);
1465: if (offset < 0 && (size_t)(-offset) > p->offset)
1466: p->offset = 0;
1467: else if (offset < SHRT_MAX)
1468: p->offset += offset;
1469: }
1.60 schwarze 1470:
1471: /*
1472: * If -ragged or -filled are specified, the block does nothing
1473: * but change the indentation. If -unfilled or -literal are
1474: * specified, text is printed exactly as entered in the display:
1475: * for macro lines, a newline is appended to the line. Blank
1476: * lines are allowed.
1477: */
1.166 schwarze 1478:
1479: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1480: DISP_unfilled != n->norm->Bd.type &&
1481: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1482: return 1;
1.1 kristaps 1483:
1.255 schwarze 1484: if (n->norm->Bd.type == DISP_literal) {
1485: term_tab_set(p, NULL);
1486: term_tab_set(p, "T");
1487: term_tab_set(p, "8n");
1488: }
1.123 schwarze 1489:
1.174 schwarze 1490: lm = p->offset;
1.77 schwarze 1491: rm = p->rmargin;
1492: rmax = p->maxrmargin;
1493: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1494:
1.60 schwarze 1495: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1496: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1497: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1498: len = term_strlen(p, nn->string);
1499: p->offset = len >= rm ? 0 :
1500: lm + len >= rm ? rm - len :
1501: (lm + rm - len) / 2;
1502: } else
1503: p->offset = lm;
1504: }
1.147 schwarze 1505: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1506: /*
1507: * If the printed node flushes its own line, then we
1508: * needn't do it here as well. This is hacky, but the
1509: * notion of selective eoln whitespace is pretty dumb
1510: * anyway, so don't sweat it.
1511: */
1.255 schwarze 1512: if (nn->tok < ROFF_MAX)
1513: continue;
1.108 schwarze 1514: switch (nn->tok) {
1.166 schwarze 1515: case MDOC_Sm:
1516: case MDOC_Bl:
1517: case MDOC_D1:
1518: case MDOC_Dl:
1519: case MDOC_Lp:
1520: case MDOC_Pp:
1.108 schwarze 1521: continue;
1522: default:
1523: break;
1524: }
1.198 schwarze 1525: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1526: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1527: continue;
1528: term_flushln(p);
1.48 schwarze 1529: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1530: }
1.88 schwarze 1531:
1.77 schwarze 1532: p->rmargin = rm;
1533: p->maxrmargin = rmax;
1.227 schwarze 1534: return 0;
1.1 kristaps 1535: }
1536:
1537: static void
1538: termp_bd_post(DECL_ARGS)
1539: {
1.77 schwarze 1540: size_t rm, rmax;
1.1 kristaps 1541:
1.213 schwarze 1542: if (n->type != ROFFT_BODY)
1.1 kristaps 1543: return;
1.77 schwarze 1544:
1545: rm = p->rmargin;
1546: rmax = p->maxrmargin;
1547:
1.166 schwarze 1548: if (DISP_literal == n->norm->Bd.type ||
1549: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1550: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1551:
1.48 schwarze 1552: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1553: term_newln(p);
1.77 schwarze 1554:
1555: p->rmargin = rm;
1556: p->maxrmargin = rmax;
1.1 kristaps 1557: }
1558:
1559: static int
1.26 schwarze 1560: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1561: {
1.238 schwarze 1562: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1563: p->flags |= TERMP_PREKEEP;
1564: return 1;
1565: }
1.1 kristaps 1566:
1.238 schwarze 1567: static void
1568: termp_xx_post(DECL_ARGS)
1569: {
1570: if (n->aux == 0)
1571: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1572: }
1573:
1574: static void
1575: termp_pf_post(DECL_ARGS)
1576: {
1577:
1.237 schwarze 1578: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1579: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1580: }
1581:
1582: static int
1583: termp_ss_pre(DECL_ARGS)
1584: {
1.236 schwarze 1585: struct roff_node *nn;
1.1 kristaps 1586:
1.60 schwarze 1587: switch (n->type) {
1.213 schwarze 1588: case ROFFT_BLOCK:
1.1 kristaps 1589: term_newln(p);
1.236 schwarze 1590: for (nn = n->prev; nn != NULL; nn = nn->prev)
1591: if ((nn->flags & NODE_NOPRT) == 0)
1592: break;
1593: if (nn != NULL)
1.1 kristaps 1594: term_vspace(p);
1595: break;
1.213 schwarze 1596: case ROFFT_HEAD:
1.65 schwarze 1597: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1598: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1599: break;
1.213 schwarze 1600: case ROFFT_BODY:
1.176 schwarze 1601: p->offset = term_len(p, p->defindent);
1.255 schwarze 1602: term_tab_set(p, NULL);
1603: term_tab_set(p, "T");
1604: term_tab_set(p, ".5i");
1.176 schwarze 1605: break;
1.1 kristaps 1606: default:
1607: break;
1608: }
1609:
1.227 schwarze 1610: return 1;
1.1 kristaps 1611: }
1612:
1613: static void
1614: termp_ss_post(DECL_ARGS)
1615: {
1616:
1.213 schwarze 1617: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1618: term_newln(p);
1619: }
1620:
1621: static int
1622: termp_cd_pre(DECL_ARGS)
1623: {
1624:
1.86 schwarze 1625: synopsis_pre(p, n);
1.65 schwarze 1626: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1627: return 1;
1.1 kristaps 1628: }
1629:
1630: static int
1631: termp_in_pre(DECL_ARGS)
1632: {
1633:
1.86 schwarze 1634: synopsis_pre(p, n);
1.85 schwarze 1635:
1.237 schwarze 1636: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1637: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1638: term_word(p, "#include");
1.85 schwarze 1639: term_word(p, "<");
1640: } else {
1641: term_word(p, "<");
1642: term_fontpush(p, TERMFONT_UNDER);
1643: }
1.23 schwarze 1644:
1.1 kristaps 1645: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1646: return 1;
1.1 kristaps 1647: }
1648:
1649: static void
1650: termp_in_post(DECL_ARGS)
1651: {
1652:
1.237 schwarze 1653: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1654: term_fontpush(p, TERMFONT_BOLD);
1655:
1.59 schwarze 1656: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1657: term_word(p, ">");
1658:
1.237 schwarze 1659: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1660: term_fontpop(p);
1.38 schwarze 1661: }
1662:
1663: static int
1.254 schwarze 1664: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1665: {
1.254 schwarze 1666: fn_prio = 0;
1667: term_vspace(p);
1.227 schwarze 1668: return 0;
1.38 schwarze 1669: }
1670:
1671: static int
1.193 schwarze 1672: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1673: {
1674:
1.227 schwarze 1675: return 0;
1.170 schwarze 1676: }
1677:
1678: static int
1.107 schwarze 1679: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1680: {
1681:
1.213 schwarze 1682: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1683: return 1;
1.1 kristaps 1684:
1.107 schwarze 1685: switch (n->tok) {
1.166 schwarze 1686: case MDOC_Ao:
1687: case MDOC_Aq:
1.230 schwarze 1688: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1689: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1690: break;
1.166 schwarze 1691: case MDOC_Bro:
1692: case MDOC_Brq:
1.107 schwarze 1693: term_word(p, "{");
1694: break;
1.166 schwarze 1695: case MDOC_Oo:
1696: case MDOC_Op:
1697: case MDOC_Bo:
1698: case MDOC_Bq:
1.107 schwarze 1699: term_word(p, "[");
1700: break;
1.245 schwarze 1701: case MDOC__T:
1702: /* FALLTHROUGH */
1.166 schwarze 1703: case MDOC_Do:
1704: case MDOC_Dq:
1.210 schwarze 1705: term_word(p, "\\(Lq");
1.107 schwarze 1706: break;
1.170 schwarze 1707: case MDOC_En:
1708: if (NULL == n->norm->Es ||
1709: NULL == n->norm->Es->child)
1.227 schwarze 1710: return 1;
1.170 schwarze 1711: term_word(p, n->norm->Es->child->string);
1712: break;
1.166 schwarze 1713: case MDOC_Po:
1714: case MDOC_Pq:
1.107 schwarze 1715: term_word(p, "(");
1716: break;
1.166 schwarze 1717: case MDOC_Qo:
1718: case MDOC_Qq:
1.107 schwarze 1719: term_word(p, "\"");
1720: break;
1.166 schwarze 1721: case MDOC_Ql:
1722: case MDOC_So:
1723: case MDOC_Sq:
1.151 schwarze 1724: term_word(p, "\\(oq");
1.107 schwarze 1725: break;
1726: default:
1727: abort();
1728: }
1.1 kristaps 1729:
1730: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1731: return 1;
1.1 kristaps 1732: }
1733:
1734: static void
1.107 schwarze 1735: termp_quote_post(DECL_ARGS)
1.1 kristaps 1736: {
1737:
1.213 schwarze 1738: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1739: return;
1740:
1.205 schwarze 1741: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1742:
1.107 schwarze 1743: switch (n->tok) {
1.166 schwarze 1744: case MDOC_Ao:
1745: case MDOC_Aq:
1.230 schwarze 1746: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1747: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1748: break;
1.166 schwarze 1749: case MDOC_Bro:
1750: case MDOC_Brq:
1.107 schwarze 1751: term_word(p, "}");
1752: break;
1.166 schwarze 1753: case MDOC_Oo:
1754: case MDOC_Op:
1755: case MDOC_Bo:
1756: case MDOC_Bq:
1.107 schwarze 1757: term_word(p, "]");
1758: break;
1.245 schwarze 1759: case MDOC__T:
1760: /* FALLTHROUGH */
1.166 schwarze 1761: case MDOC_Do:
1762: case MDOC_Dq:
1.210 schwarze 1763: term_word(p, "\\(Rq");
1.170 schwarze 1764: break;
1765: case MDOC_En:
1.205 schwarze 1766: if (n->norm->Es == NULL ||
1767: n->norm->Es->child == NULL ||
1768: n->norm->Es->child->next == NULL)
1769: p->flags &= ~TERMP_NOSPACE;
1770: else
1.170 schwarze 1771: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1772: break;
1.166 schwarze 1773: case MDOC_Po:
1774: case MDOC_Pq:
1.107 schwarze 1775: term_word(p, ")");
1776: break;
1.166 schwarze 1777: case MDOC_Qo:
1778: case MDOC_Qq:
1.107 schwarze 1779: term_word(p, "\"");
1780: break;
1.166 schwarze 1781: case MDOC_Ql:
1782: case MDOC_So:
1783: case MDOC_Sq:
1.151 schwarze 1784: term_word(p, "\\(cq");
1.107 schwarze 1785: break;
1786: default:
1787: abort();
1788: }
1.205 schwarze 1789: }
1790:
1791: static int
1792: termp_eo_pre(DECL_ARGS)
1793: {
1794:
1.213 schwarze 1795: if (n->type != ROFFT_BODY)
1.227 schwarze 1796: return 1;
1.205 schwarze 1797:
1798: if (n->end == ENDBODY_NOT &&
1799: n->parent->head->child == NULL &&
1800: n->child != NULL &&
1801: n->child->end != ENDBODY_NOT)
1802: term_word(p, "\\&");
1803: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1804: n->parent->head->child != NULL && (n->child != NULL ||
1805: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1806: p->flags |= TERMP_NOSPACE;
1807:
1.227 schwarze 1808: return 1;
1.205 schwarze 1809: }
1810:
1811: static void
1812: termp_eo_post(DECL_ARGS)
1813: {
1814: int body, tail;
1815:
1.213 schwarze 1816: if (n->type != ROFFT_BODY)
1.205 schwarze 1817: return;
1818:
1819: if (n->end != ENDBODY_NOT) {
1820: p->flags &= ~TERMP_NOSPACE;
1821: return;
1822: }
1823:
1824: body = n->child != NULL || n->parent->head->child != NULL;
1825: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1826:
1827: if (body && tail)
1828: p->flags |= TERMP_NOSPACE;
1829: else if ( ! (body || tail))
1830: term_word(p, "\\&");
1831: else if ( ! tail)
1832: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1833: }
1834:
1835: static int
1836: termp_fo_pre(DECL_ARGS)
1837: {
1.159 schwarze 1838: size_t rmargin = 0;
1.158 schwarze 1839: int pretty;
1840:
1.237 schwarze 1841: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1842:
1.213 schwarze 1843: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1844: synopsis_pre(p, n);
1.227 schwarze 1845: return 1;
1.213 schwarze 1846: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1847: if (pretty) {
1848: rmargin = p->rmargin;
1.159 schwarze 1849: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1850: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1851: TERMP_HANG;
1.158 schwarze 1852: }
1.31 schwarze 1853: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1854: term_word(p, "(");
1.132 schwarze 1855: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1856: if (pretty) {
1857: term_flushln(p);
1.165 schwarze 1858: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1859: TERMP_HANG);
1.158 schwarze 1860: p->offset = p->rmargin;
1861: p->rmargin = rmargin;
1862: }
1.227 schwarze 1863: return 1;
1.158 schwarze 1864: }
1.85 schwarze 1865:
1.95 schwarze 1866: if (NULL == n->child)
1.227 schwarze 1867: return 0;
1.95 schwarze 1868:
1.85 schwarze 1869: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1870:
1.85 schwarze 1871: assert(n->child->string);
1.65 schwarze 1872: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1873: term_word(p, n->child->string);
1.227 schwarze 1874: return 0;
1.1 kristaps 1875: }
1876:
1877: static void
1878: termp_fo_post(DECL_ARGS)
1879: {
1880:
1.213 schwarze 1881: if (n->type != ROFFT_BODY)
1.86 schwarze 1882: return;
1883:
1.132 schwarze 1884: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1885: term_word(p, ")");
1886:
1.237 schwarze 1887: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1888: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1889: term_word(p, ";");
1.158 schwarze 1890: term_flushln(p);
1.132 schwarze 1891: }
1.1 kristaps 1892: }
1893:
1894: static int
1895: termp_bf_pre(DECL_ARGS)
1896: {
1897:
1.213 schwarze 1898: if (n->type == ROFFT_HEAD)
1.227 schwarze 1899: return 0;
1.213 schwarze 1900: else if (n->type != ROFFT_BODY)
1.227 schwarze 1901: return 1;
1.1 kristaps 1902:
1.166 schwarze 1903: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1904: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1905: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1906: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1907: else
1.65 schwarze 1908: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1909:
1.227 schwarze 1910: return 1;
1.1 kristaps 1911: }
1912:
1913: static int
1914: termp_sm_pre(DECL_ARGS)
1915: {
1916:
1.171 schwarze 1917: if (NULL == n->child)
1918: p->flags ^= TERMP_NONOSPACE;
1919: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1920: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1921: else
1.1 kristaps 1922: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1923:
1924: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1925: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1926:
1.227 schwarze 1927: return 0;
1.1 kristaps 1928: }
1929:
1930: static int
1931: termp_ap_pre(DECL_ARGS)
1932: {
1933:
1934: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1935: term_word(p, "'");
1.1 kristaps 1936: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1937: return 1;
1.1 kristaps 1938: }
1939:
1940: static void
1941: termp____post(DECL_ARGS)
1942: {
1.104 schwarze 1943:
1944: /*
1945: * Handle lists of authors. In general, print each followed by
1946: * a comma. Don't print the comma if there are only two
1947: * authors.
1948: */
1949: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1950: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1951: if (NULL == n->prev || MDOC__A != n->prev->tok)
1952: return;
1.1 kristaps 1953:
1.62 schwarze 1954: /* TODO: %U. */
1955:
1.106 schwarze 1956: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1957: return;
1958:
1.132 schwarze 1959: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1960: if (NULL == n->next) {
1961: term_word(p, ".");
1962: p->flags |= TERMP_SENTENCE;
1963: } else
1964: term_word(p, ",");
1.1 kristaps 1965: }
1966:
1967: static int
1.65 schwarze 1968: termp_li_pre(DECL_ARGS)
1969: {
1970:
1.234 schwarze 1971: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1972: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1973: return 1;
1.65 schwarze 1974: }
1975:
1976: static int
1.1 kristaps 1977: termp_lk_pre(DECL_ARGS)
1978: {
1.257 schwarze 1979: const struct roff_node *link, *descr, *punct;
1.247 schwarze 1980: int display;
1.1 kristaps 1981:
1.248 schwarze 1982: if ((link = n->child) == NULL)
1.227 schwarze 1983: return 0;
1.101 schwarze 1984:
1.257 schwarze 1985: /* Find beginning of trailing punctuation. */
1986: punct = n->last;
1987: while (punct != link && punct->flags & NODE_DELIMC)
1988: punct = punct->prev;
1989: punct = punct->next;
1990:
1.248 schwarze 1991: /* Link text. */
1.257 schwarze 1992: if ((descr = link->next) != NULL && descr != punct) {
1.142 schwarze 1993: term_fontpush(p, TERMFONT_UNDER);
1.257 schwarze 1994: while (descr != punct) {
1995: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1996: p->flags |= TERMP_NOSPACE;
1.142 schwarze 1997: term_word(p, descr->string);
1998: descr = descr->next;
1999: }
1.246 schwarze 2000: term_fontpop(p);
1.142 schwarze 2001: p->flags |= TERMP_NOSPACE;
2002: term_word(p, ":");
2003: }
1.1 kristaps 2004:
1.248 schwarze 2005: /* Link target. */
1.247 schwarze 2006: display = term_strlen(p, link->string) >= 26;
2007: if (display) {
2008: term_newln(p);
2009: p->offset += term_len(p, p->defindent + 1);
2010: }
1.65 schwarze 2011: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2012: term_word(p, link->string);
1.65 schwarze 2013: term_fontpop(p);
1.247 schwarze 2014:
1.248 schwarze 2015: /* Trailing punctuation. */
1.257 schwarze 2016: while (punct != NULL) {
1.248 schwarze 2017: p->flags |= TERMP_NOSPACE;
1.257 schwarze 2018: term_word(p, punct->string);
2019: punct = punct->next;
1.248 schwarze 2020: }
1.247 schwarze 2021: if (display)
2022: term_newln(p);
1.227 schwarze 2023: return 0;
1.1 kristaps 2024: }
2025:
1.90 schwarze 2026: static int
2027: termp_bk_pre(DECL_ARGS)
2028: {
2029:
1.91 schwarze 2030: switch (n->type) {
1.213 schwarze 2031: case ROFFT_BLOCK:
1.95 schwarze 2032: break;
1.213 schwarze 2033: case ROFFT_HEAD:
1.227 schwarze 2034: return 0;
1.213 schwarze 2035: case ROFFT_BODY:
1.230 schwarze 2036: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2037: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2038: break;
1.91 schwarze 2039: default:
2040: abort();
2041: }
1.95 schwarze 2042:
1.227 schwarze 2043: return 1;
1.90 schwarze 2044: }
2045:
2046: static void
2047: termp_bk_post(DECL_ARGS)
2048: {
2049:
1.213 schwarze 2050: if (n->type == ROFFT_BODY)
1.91 schwarze 2051: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2052: }
1.120 schwarze 2053:
2054: static void
2055: termp__t_post(DECL_ARGS)
2056: {
2057:
2058: /*
2059: * If we're in an `Rs' and there's a journal present, then quote
2060: * us instead of underlining us (for disambiguation).
2061: */
1.121 schwarze 2062: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2063: n->parent->norm->Rs.quote_T)
1.147 schwarze 2064: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2065:
1.147 schwarze 2066: termp____post(p, pair, meta, n);
1.120 schwarze 2067: }
2068:
2069: static int
2070: termp__t_pre(DECL_ARGS)
2071: {
2072:
2073: /*
2074: * If we're in an `Rs' and there's a journal present, then quote
2075: * us instead of underlining us (for disambiguation).
2076: */
1.121 schwarze 2077: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2078: n->parent->norm->Rs.quote_T)
1.227 schwarze 2079: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2080:
2081: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2082: return 1;
1.121 schwarze 2083: }
1.1 kristaps 2084:
2085: static int
1.54 schwarze 2086: termp_under_pre(DECL_ARGS)
1.1 kristaps 2087: {
2088:
1.65 schwarze 2089: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2090: return 1;
2091: }
2092:
2093: static int
2094: termp_em_pre(DECL_ARGS)
2095: {
2096: if (n->child != NULL &&
2097: n->child->type == ROFFT_TEXT)
2098: tag_put(n->child->string, 0, p->line);
2099: term_fontpush(p, TERMFONT_UNDER);
2100: return 1;
2101: }
2102:
2103: static int
2104: termp_sy_pre(DECL_ARGS)
2105: {
2106: if (n->child != NULL &&
2107: n->child->type == ROFFT_TEXT)
2108: tag_put(n->child->string, 0, p->line);
2109: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2110: return 1;
1.222 schwarze 2111: }
2112:
2113: static int
2114: termp_er_pre(DECL_ARGS)
2115: {
2116:
2117: if (n->sec == SEC_ERRORS &&
2118: (n->parent->tok == MDOC_It ||
2119: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2120: n->parent->parent->parent->tok == MDOC_It)))
2121: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2122: return 1;
1.219 schwarze 2123: }
2124:
2125: static int
2126: termp_tag_pre(DECL_ARGS)
2127: {
2128:
2129: if (n->child != NULL &&
2130: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2131: (n->prev == NULL ||
2132: (n->prev->type == ROFFT_TEXT &&
2133: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2134: (n->parent->tok == MDOC_It ||
2135: (n->parent->tok == MDOC_Xo &&
2136: n->parent->parent->prev == NULL &&
1.223 schwarze 2137: n->parent->parent->parent->tok == MDOC_It)))
2138: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2139: return 1;
1.1 kristaps 2140: }
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