Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.261
1.261 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.260 2017/06/04 22:43:50 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;
1.261 ! schwarze 260: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.255 schwarze 261: term_tab_set(p, NULL);
262: term_tab_set(p, "T");
263: term_tab_set(p, ".5i");
1.55 schwarze 264:
1.218 schwarze 265: n = mdoc->first->child;
1.180 schwarze 266: if (p->synopsisonly) {
267: while (n != NULL) {
268: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
269: if (n->child->next->child != NULL)
270: print_mdoc_nodelist(p, NULL,
1.218 schwarze 271: &mdoc->meta,
272: n->child->next->child);
1.180 schwarze 273: term_newln(p);
274: break;
275: }
276: n = n->next;
277: }
278: } else {
1.241 schwarze 279: save_defindent = p->defindent;
1.180 schwarze 280: if (p->defindent == 0)
281: p->defindent = 5;
1.218 schwarze 282: term_begin(p, print_mdoc_head, print_mdoc_foot,
283: &mdoc->meta);
1.236 schwarze 284: while (n != NULL && n->flags & NODE_NOPRT)
285: n = n->next;
1.180 schwarze 286: if (n != NULL) {
287: if (n->tok != MDOC_Sh)
288: term_vspace(p);
1.218 schwarze 289: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 290: }
291: term_end(p);
1.241 schwarze 292: p->defindent = save_defindent;
1.173 schwarze 293: }
1.1 kristaps 294: }
295:
296: static void
1.65 schwarze 297: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 298: {
299:
1.203 schwarze 300: while (n != NULL) {
301: print_mdoc_node(p, pair, meta, n);
302: n = n->next;
303: }
1.1 kristaps 304: }
305:
306: static void
1.65 schwarze 307: print_mdoc_node(DECL_ARGS)
1.1 kristaps 308: {
1.65 schwarze 309: int chld;
1.1 kristaps 310: struct termpair npair;
1.28 schwarze 311: size_t offset, rmargin;
1.1 kristaps 312:
1.236 schwarze 313: if (n->flags & NODE_NOPRT)
314: return;
315:
1.54 schwarze 316: chld = 1;
1.261 ! schwarze 317: offset = p->tcol->offset;
! 318: rmargin = p->tcol->rmargin;
1.237 schwarze 319: n->flags &= ~NODE_ENDED;
1.204 schwarze 320: n->prev_font = p->fonti;
1.1 kristaps 321:
1.63 schwarze 322: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 323: npair.ppair = pair;
1.65 schwarze 324:
1.95 schwarze 325: /*
326: * Keeps only work until the end of a line. If a keep was
327: * invoked in a prior line, revert it to PREKEEP.
328: */
329:
1.237 schwarze 330: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 331: p->flags &= ~TERMP_KEEP;
332: p->flags |= TERMP_PREKEEP;
1.95 schwarze 333: }
1.116 schwarze 334:
335: /*
1.128 schwarze 336: * After the keep flags have been set up, we may now
337: * produce output. Note that some pre-handlers do so.
338: */
339:
340: switch (n->type) {
1.213 schwarze 341: case ROFFT_TEXT:
1.256 schwarze 342: if (*n->string == ' ' && n->flags & NODE_LINE &&
343: (p->flags & TERMP_NONEWLINE) == 0)
1.128 schwarze 344: term_newln(p);
1.237 schwarze 345: if (NODE_DELIMC & n->flags)
1.132 schwarze 346: p->flags |= TERMP_NOSPACE;
1.128 schwarze 347: term_word(p, n->string);
1.237 schwarze 348: if (NODE_DELIMO & n->flags)
1.132 schwarze 349: p->flags |= TERMP_NOSPACE;
1.128 schwarze 350: break;
1.213 schwarze 351: case ROFFT_EQN:
1.237 schwarze 352: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 353: p->flags |= TERMP_NOSPACE;
1.135 schwarze 354: term_eqn(p, n->eqn);
1.237 schwarze 355: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 356: p->flags |= TERMP_NOSPACE;
1.131 schwarze 357: break;
1.213 schwarze 358: case ROFFT_TBL:
1.212 schwarze 359: if (p->tbl.cols == NULL)
360: term_newln(p);
1.128 schwarze 361: term_tbl(p, n->span);
362: break;
363: default:
1.250 schwarze 364: if (n->tok < ROFF_MAX) {
1.251 schwarze 365: roff_term_pre(p, n);
1.253 schwarze 366: return;
1.250 schwarze 367: }
368: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 369: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 370: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 371: chld = (*termacts[n->tok].pre)
1.147 schwarze 372: (p, &npair, meta, n);
1.128 schwarze 373: break;
374: }
1.95 schwarze 375:
1.60 schwarze 376: if (chld && n->child)
1.147 schwarze 377: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 378:
1.146 schwarze 379: term_fontpopq(p,
1.209 schwarze 380: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 381:
1.122 schwarze 382: switch (n->type) {
1.213 schwarze 383: case ROFFT_TEXT:
1.122 schwarze 384: break;
1.213 schwarze 385: case ROFFT_TBL:
1.131 schwarze 386: break;
1.213 schwarze 387: case ROFFT_EQN:
1.122 schwarze 388: break;
389: default:
1.253 schwarze 390: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 391: break;
1.147 schwarze 392: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 393:
394: /*
395: * Explicit end tokens not only call the post
396: * handler, but also tell the respective block
397: * that it must not call the post handler again.
398: */
1.95 schwarze 399: if (ENDBODY_NOT != n->end)
1.237 schwarze 400: n->body->flags |= NODE_ENDED;
1.122 schwarze 401: break;
1.93 schwarze 402: }
1.28 schwarze 403:
1.237 schwarze 404: if (NODE_EOS & n->flags)
1.78 schwarze 405: p->flags |= TERMP_SENTENCE;
406:
1.258 schwarze 407: if (n->type != ROFFT_TEXT)
1.261 ! schwarze 408: p->tcol->offset = offset;
! 409: p->tcol->rmargin = rmargin;
1.1 kristaps 410: }
411:
412: static void
1.215 schwarze 413: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 414: {
1.191 schwarze 415: size_t sz;
1.87 schwarze 416:
1.65 schwarze 417: term_fontrepl(p, TERMFONT_NONE);
418:
1.166 schwarze 419: /*
1.7 schwarze 420: * Output the footer in new-groff style, that is, three columns
421: * with the middle being the manual date and flanking columns
422: * being the operating system:
423: *
424: * SYSTEM DATE SYSTEM
425: */
426:
1.1 kristaps 427: term_vspace(p);
428:
1.261 ! schwarze 429: p->tcol->offset = 0;
1.191 schwarze 430: sz = term_strlen(p, meta->date);
1.261 ! schwarze 431: p->tcol->rmargin = p->maxrmargin > sz ?
1.191 schwarze 432: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 433: p->trailspace = 1;
1.1 kristaps 434: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
435:
1.147 schwarze 436: term_word(p, meta->os);
1.1 kristaps 437: term_flushln(p);
438:
1.261 ! schwarze 439: p->tcol->offset = p->tcol->rmargin;
1.191 schwarze 440: sz = term_strlen(p, meta->os);
1.261 ! schwarze 441: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 442: p->flags |= TERMP_NOSPACE;
1.7 schwarze 443:
1.147 schwarze 444: term_word(p, meta->date);
1.7 schwarze 445: term_flushln(p);
446:
1.261 ! schwarze 447: p->tcol->offset = p->tcol->rmargin;
! 448: p->tcol->rmargin = p->maxrmargin;
1.152 schwarze 449: p->trailspace = 0;
1.1 kristaps 450: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 451: p->flags |= TERMP_NOSPACE;
1.1 kristaps 452:
1.147 schwarze 453: term_word(p, meta->os);
1.1 kristaps 454: term_flushln(p);
1.7 schwarze 455:
1.261 ! schwarze 456: p->tcol->offset = 0;
! 457: p->tcol->rmargin = p->maxrmargin;
1.7 schwarze 458: p->flags = 0;
1.1 kristaps 459: }
460:
461: static void
1.215 schwarze 462: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 463: {
1.169 schwarze 464: char *volume, *title;
465: size_t vollen, titlen;
1.1 kristaps 466:
467: /*
468: * The header is strange. It has three components, which are
469: * really two with the first duplicated. It goes like this:
470: *
471: * IDENTIFIER TITLE IDENTIFIER
472: *
473: * The IDENTIFIER is NAME(SECTION), which is the command-name
474: * (if given, or "unknown" if not) followed by the manual page
475: * section. These are given in `Dt'. The TITLE is a free-form
476: * string depending on the manual volume. If not specified, it
477: * switches on the manual section.
478: */
1.137 schwarze 479:
1.147 schwarze 480: assert(meta->vol);
1.169 schwarze 481: if (NULL == meta->arch)
482: volume = mandoc_strdup(meta->vol);
483: else
484: mandoc_asprintf(&volume, "%s (%s)",
485: meta->vol, meta->arch);
486: vollen = term_strlen(p, volume);
1.1 kristaps 487:
1.177 schwarze 488: if (NULL == meta->msec)
489: title = mandoc_strdup(meta->title);
490: else
491: mandoc_asprintf(&title, "%s(%s)",
492: meta->title, meta->msec);
1.137 schwarze 493: titlen = term_strlen(p, title);
1.1 kristaps 494:
1.137 schwarze 495: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 496: p->trailspace = 1;
1.261 ! schwarze 497: p->tcol->offset = 0;
! 498: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.169 schwarze 499: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 500: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 501:
502: term_word(p, title);
503: term_flushln(p);
504:
1.137 schwarze 505: p->flags |= TERMP_NOSPACE;
1.261 ! schwarze 506: p->tcol->offset = p->tcol->rmargin;
! 507: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
! 508: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 509:
1.169 schwarze 510: term_word(p, volume);
1.1 kristaps 511: term_flushln(p);
512:
513: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 514: p->trailspace = 0;
1.261 ! schwarze 515: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.137 schwarze 516: p->flags |= TERMP_NOSPACE;
1.261 ! schwarze 517: p->tcol->offset = p->tcol->rmargin;
! 518: p->tcol->rmargin = p->maxrmargin;
1.137 schwarze 519: term_word(p, title);
520: term_flushln(p);
521: }
1.1 kristaps 522:
1.137 schwarze 523: p->flags &= ~TERMP_NOSPACE;
1.261 ! schwarze 524: p->tcol->offset = 0;
! 525: p->tcol->rmargin = p->maxrmargin;
1.168 schwarze 526: free(title);
1.169 schwarze 527: free(volume);
1.1 kristaps 528: }
529:
1.201 schwarze 530: static int
1.89 schwarze 531: a2width(const struct termp *p, const char *v)
1.61 schwarze 532: {
533: struct roffsu su;
1.1 kristaps 534:
1.199 schwarze 535: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 536: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 537: su.scale /= term_strlen(p, "0");
1.201 schwarze 538: }
1.227 schwarze 539: return term_hspan(p, &su) / 24;
1.1 kristaps 540: }
541:
1.68 schwarze 542: /*
543: * Determine how much space to print out before block elements of `It'
544: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
545: * too.
546: */
1.45 schwarze 547: static void
1.166 schwarze 548: print_bvspace(struct termp *p,
1.214 schwarze 549: const struct roff_node *bl,
550: const struct roff_node *n)
1.1 kristaps 551: {
1.214 schwarze 552: const struct roff_node *nn;
1.138 schwarze 553:
554: assert(n);
1.1 kristaps 555:
556: term_newln(p);
1.88 schwarze 557:
1.121 schwarze 558: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 559: return;
1.121 schwarze 560: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 561: return;
562:
1.60 schwarze 563: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 564:
1.188 schwarze 565: nn = n;
1.236 schwarze 566: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
567: nn = nn->prev;
1.188 schwarze 568: while (nn->prev == NULL) {
569: do {
570: nn = nn->parent;
1.213 schwarze 571: if (nn->type == ROFFT_ROOT)
1.188 schwarze 572: return;
1.213 schwarze 573: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 574: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 575: return;
1.188 schwarze 576: if (nn->tok == MDOC_It &&
577: nn->parent->parent->norm->Bl.type != LIST_item)
578: break;
1.1 kristaps 579: }
580:
1.60 schwarze 581: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 582:
1.121 schwarze 583: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 584: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 585: return;
586:
1.60 schwarze 587: /* A `-diag' without body does not vspace. */
588:
1.121 schwarze 589: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 590: if (n->prev && MDOC_It == n->prev->tok) {
591: assert(n->prev->body);
592: if (NULL == n->prev->body->child)
1.45 schwarze 593: return;
594: }
595:
596: term_vspace(p);
1.162 schwarze 597: }
598:
1.1 kristaps 599:
600: static int
601: termp_it_pre(DECL_ARGS)
602: {
1.244 schwarze 603: struct roffsu su;
1.201 schwarze 604: char buf[24];
1.214 schwarze 605: const struct roff_node *bl, *nn;
1.201 schwarze 606: size_t ncols, dcol;
607: int i, offset, width;
1.82 schwarze 608: enum mdoc_list type;
1.1 kristaps 609:
1.213 schwarze 610: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 611: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 612: return 1;
1.45 schwarze 613: }
1.1 kristaps 614:
1.60 schwarze 615: bl = n->parent->parent->parent;
1.121 schwarze 616: type = bl->norm->Bl.type;
1.1 kristaps 617:
1.166 schwarze 618: /*
1.201 schwarze 619: * Defaults for specific list types.
620: */
621:
622: switch (type) {
623: case LIST_bullet:
624: case LIST_dash:
625: case LIST_hyphen:
626: case LIST_enum:
627: width = term_len(p, 2);
628: break;
629: case LIST_hang:
1.231 schwarze 630: case LIST_tag:
1.201 schwarze 631: width = term_len(p, 8);
632: break;
633: case LIST_column:
634: width = term_len(p, 10);
635: break;
636: default:
637: width = 0;
638: break;
639: }
640: offset = 0;
641:
642: /*
1.68 schwarze 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:
1.201 schwarze 648: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 649: offset = a2width(p, bl->norm->Bl.offs);
1.261 ! schwarze 650: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
! 651: offset = -p->tcol->offset;
1.201 schwarze 652: else if (offset > SHRT_MAX)
653: offset = 0;
654: }
1.66 schwarze 655:
1.1 kristaps 656: switch (type) {
1.166 schwarze 657: case LIST_column:
1.213 schwarze 658: if (n->type == ROFFT_HEAD)
1.1 kristaps 659: break;
1.88 schwarze 660:
1.66 schwarze 661: /*
1.68 schwarze 662: * Imitate groff's column handling:
663: * - For each earlier column, add its width.
664: * - For less than 5 columns, add four more blanks per
665: * column.
666: * - For exactly 5 columns, add three more blank per
667: * column.
668: * - For more than 5 columns, add only one column.
1.66 schwarze 669: */
1.121 schwarze 670: ncols = bl->norm->Bl.ncols;
1.166 schwarze 671: dcol = ncols < 5 ? term_len(p, 4) :
672: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 673:
1.85 schwarze 674: /*
1.213 schwarze 675: * Calculate the offset by applying all prior ROFFT_BODY,
676: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 677: */
678:
1.166 schwarze 679: for (i = 0, nn = n->prev;
680: nn->prev && i < (int)ncols;
1.244 schwarze 681: nn = nn->prev, i++) {
682: SCALE_HS_INIT(&su,
683: term_strlen(p, bl->norm->Bl.cols[i]));
684: su.scale /= term_strlen(p, "0");
685: offset += term_hspan(p, &su) / 24 + dcol;
686: }
1.66 schwarze 687:
688: /*
1.68 schwarze 689: * When exceeding the declared number of columns, leave
690: * the remaining widths at 0. This will later be
691: * adjusted to the default width of 10, or, for the last
692: * column, stretched to the right margin.
1.46 schwarze 693: */
1.68 schwarze 694: if (i >= (int)ncols)
695: break;
1.46 schwarze 696:
1.66 schwarze 697: /*
1.68 schwarze 698: * Use the declared column widths, extended as explained
699: * in the preceding paragraph.
1.66 schwarze 700: */
1.244 schwarze 701: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
702: su.scale /= term_strlen(p, "0");
703: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 704: break;
705: default:
1.121 schwarze 706: if (NULL == bl->norm->Bl.width)
1.68 schwarze 707: break;
708:
1.166 schwarze 709: /*
1.68 schwarze 710: * Note: buffer the width by 2, which is groff's magic
711: * number for buffering single arguments. See the above
712: * handling for column for how this changes.
713: */
1.121 schwarze 714: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.261 ! schwarze 715: if (width < 0 && (size_t)(-width) > p->tcol->offset)
! 716: width = -p->tcol->offset;
1.201 schwarze 717: else if (width > SHRT_MAX)
718: width = 0;
1.1 kristaps 719: break;
720: }
721:
1.166 schwarze 722: /*
1.16 schwarze 723: * Whitespace control. Inset bodies need an initial space,
724: * while diagonal bodies need two.
1.1 kristaps 725: */
726:
1.42 schwarze 727: p->flags |= TERMP_NOSPACE;
728:
1.1 kristaps 729: switch (type) {
1.166 schwarze 730: case LIST_diag:
1.213 schwarze 731: if (n->type == ROFFT_BODY)
1.48 schwarze 732: term_word(p, "\\ \\ ");
1.42 schwarze 733: break;
1.166 schwarze 734: case LIST_inset:
1.230 schwarze 735: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 736: term_word(p, "\\ ");
1.1 kristaps 737: break;
738: default:
739: break;
740: }
741:
1.42 schwarze 742: p->flags |= TERMP_NOSPACE;
743:
1.1 kristaps 744: switch (type) {
1.166 schwarze 745: case LIST_diag:
1.213 schwarze 746: if (n->type == ROFFT_HEAD)
1.65 schwarze 747: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 748: break;
749: default:
750: break;
751: }
752:
753: /*
1.68 schwarze 754: * Pad and break control. This is the tricky part. These flags
755: * are documented in term_flushln() in term.c. Note that we're
756: * going to unset all of these flags in termp_it_post() when we
757: * exit.
1.1 kristaps 758: */
759:
760: switch (type) {
1.166 schwarze 761: case LIST_enum:
1.228 schwarze 762: case LIST_bullet:
763: case LIST_dash:
764: case LIST_hyphen:
1.259 schwarze 765: if (n->type == ROFFT_HEAD) {
766: p->flags |= TERMP_NOBREAK | TERMP_HANG;
767: p->trailspace = 1;
768: } else if (width <= (int)term_len(p, 2))
769: p->flags |= TERMP_NOPAD;
1.33 schwarze 770: break;
1.166 schwarze 771: case LIST_hang:
1.213 schwarze 772: if (n->type != ROFFT_HEAD)
1.47 schwarze 773: break;
1.165 schwarze 774: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 775: p->trailspace = 1;
1.33 schwarze 776: break;
1.166 schwarze 777: case LIST_tag:
1.213 schwarze 778: if (n->type != ROFFT_HEAD)
1.33 schwarze 779: break;
1.152 schwarze 780:
1.225 schwarze 781: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 782: p->trailspace = 2;
783:
1.60 schwarze 784: if (NULL == n->next || NULL == n->next->child)
1.259 schwarze 785: p->flags |= TERMP_HANG;
1.1 kristaps 786: break;
1.166 schwarze 787: case LIST_column:
1.213 schwarze 788: if (n->type == ROFFT_HEAD)
1.85 schwarze 789: break;
790:
1.152 schwarze 791: if (NULL == n->next) {
1.85 schwarze 792: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 793: p->trailspace = 0;
794: } else {
1.85 schwarze 795: p->flags |= TERMP_NOBREAK;
1.152 schwarze 796: p->trailspace = 1;
797: }
1.85 schwarze 798:
1.1 kristaps 799: break;
1.166 schwarze 800: case LIST_diag:
1.213 schwarze 801: if (n->type != ROFFT_HEAD)
1.152 schwarze 802: break;
1.165 schwarze 803: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 804: p->trailspace = 1;
1.1 kristaps 805: break;
806: default:
807: break;
808: }
809:
1.166 schwarze 810: /*
1.1 kristaps 811: * Margin control. Set-head-width lists have their right
812: * margins shortened. The body for these lists has the offset
813: * necessarily lengthened. Everybody gets the offset.
814: */
815:
1.261 ! schwarze 816: p->tcol->offset += offset;
1.1 kristaps 817:
818: switch (type) {
1.166 schwarze 819: case LIST_bullet:
820: case LIST_dash:
821: case LIST_enum:
822: case LIST_hyphen:
1.259 schwarze 823: case LIST_hang:
1.166 schwarze 824: case LIST_tag:
1.213 schwarze 825: if (n->type == ROFFT_HEAD)
1.261 ! schwarze 826: p->tcol->rmargin = p->tcol->offset + width;
1.191 schwarze 827: else
1.261 ! schwarze 828: p->tcol->offset += width;
1.1 kristaps 829: break;
1.166 schwarze 830: case LIST_column:
1.41 schwarze 831: assert(width);
1.261 ! schwarze 832: p->tcol->rmargin = p->tcol->offset + width;
1.166 schwarze 833: /*
1.43 schwarze 834: * XXX - this behaviour is not documented: the
835: * right-most column is filled to the right margin.
836: */
1.213 schwarze 837: if (n->type == ROFFT_HEAD)
1.85 schwarze 838: break;
1.261 ! schwarze 839: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
! 840: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 841: break;
842: default:
843: break;
844: }
845:
1.166 schwarze 846: /*
1.1 kristaps 847: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 848: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 849: */
850:
1.213 schwarze 851: if (n->type == ROFFT_HEAD)
1.1 kristaps 852: switch (type) {
1.166 schwarze 853: case LIST_bullet:
1.65 schwarze 854: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 855: term_word(p, "\\[bu]");
1.65 schwarze 856: term_fontpop(p);
1.1 kristaps 857: break;
1.166 schwarze 858: case LIST_dash:
859: case LIST_hyphen:
1.65 schwarze 860: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 861: term_word(p, "-");
1.65 schwarze 862: term_fontpop(p);
1.1 kristaps 863: break;
1.166 schwarze 864: case LIST_enum:
1.1 kristaps 865: (pair->ppair->ppair->count)++;
1.167 schwarze 866: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 867: pair->ppair->ppair->count);
1.1 kristaps 868: term_word(p, buf);
869: break;
870: default:
871: break;
872: }
1.12 schwarze 873:
1.166 schwarze 874: /*
1.1 kristaps 875: * If we're not going to process our children, indicate so here.
876: */
877:
878: switch (type) {
1.166 schwarze 879: case LIST_bullet:
880: case LIST_item:
881: case LIST_dash:
882: case LIST_hyphen:
883: case LIST_enum:
1.213 schwarze 884: if (n->type == ROFFT_HEAD)
1.227 schwarze 885: return 0;
1.1 kristaps 886: break;
1.166 schwarze 887: case LIST_column:
1.213 schwarze 888: if (n->type == ROFFT_HEAD)
1.227 schwarze 889: return 0;
1.259 schwarze 890: p->minbl = 0;
1.1 kristaps 891: break;
892: default:
893: break;
894: }
895:
1.227 schwarze 896: return 1;
1.1 kristaps 897: }
898:
899: static void
900: termp_it_post(DECL_ARGS)
901: {
1.82 schwarze 902: enum mdoc_list type;
1.1 kristaps 903:
1.213 schwarze 904: if (n->type == ROFFT_BLOCK)
1.1 kristaps 905: return;
906:
1.121 schwarze 907: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 908:
909: switch (type) {
1.166 schwarze 910: case LIST_item:
911: case LIST_diag:
912: case LIST_inset:
1.213 schwarze 913: if (n->type == ROFFT_BODY)
1.74 schwarze 914: term_newln(p);
1.1 kristaps 915: break;
1.166 schwarze 916: case LIST_column:
1.213 schwarze 917: if (n->type == ROFFT_BODY)
1.1 kristaps 918: term_flushln(p);
919: break;
920: default:
1.74 schwarze 921: term_newln(p);
1.1 kristaps 922: break;
923: }
924:
1.166 schwarze 925: /*
1.68 schwarze 926: * Now that our output is flushed, we can reset our tags. Since
927: * only `It' sets these flags, we're free to assume that nobody
928: * has munged them in the meanwhile.
929: */
930:
1.259 schwarze 931: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 932: p->trailspace = 0;
1.1 kristaps 933: }
934:
935: static int
936: termp_nm_pre(DECL_ARGS)
937: {
1.195 schwarze 938: const char *cp;
1.1 kristaps 939:
1.213 schwarze 940: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 941: p->flags |= TERMP_PREKEEP;
1.227 schwarze 942: return 1;
1.155 schwarze 943: }
1.94 schwarze 944:
1.213 schwarze 945: if (n->type == ROFFT_BODY) {
1.261 ! schwarze 946: if (n->child == NULL)
1.227 schwarze 947: return 0;
1.136 schwarze 948: p->flags |= TERMP_NOSPACE;
1.195 schwarze 949: cp = NULL;
950: if (n->prev->child != NULL)
951: cp = n->prev->child->string;
952: if (cp == NULL)
953: cp = meta->name;
954: if (cp == NULL)
1.261 ! schwarze 955: p->tcol->offset += term_len(p, 6);
1.195 schwarze 956: else
1.261 ! schwarze 957: p->tcol->offset += term_len(p, 1) +
! 958: term_strlen(p, cp);
1.227 schwarze 959: return 1;
1.94 schwarze 960: }
961:
1.242 schwarze 962: if (n->child == NULL)
1.227 schwarze 963: return 0;
1.81 schwarze 964:
1.213 schwarze 965: if (n->type == ROFFT_HEAD)
1.97 schwarze 966: synopsis_pre(p, n->parent);
1.65 schwarze 967:
1.213 schwarze 968: if (n->type == ROFFT_HEAD &&
1.261 ! schwarze 969: n->next != NULL && n->next->child != NULL) {
1.165 schwarze 970: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 971: p->trailspace = 1;
1.261 ! schwarze 972: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
! 973: if (n->child == NULL)
! 974: p->tcol->rmargin += term_strlen(p, meta->name);
! 975: else if (n->child->type == ROFFT_TEXT) {
! 976: p->tcol->rmargin += term_strlen(p, n->child->string);
! 977: if (n->child->next != NULL)
1.105 schwarze 978: p->flags |= TERMP_HANG;
979: } else {
1.261 ! schwarze 980: p->tcol->rmargin += term_len(p, 5);
1.105 schwarze 981: p->flags |= TERMP_HANG;
982: }
1.94 schwarze 983: }
984:
1.65 schwarze 985: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 986: return 1;
1.1 kristaps 987: }
988:
1.94 schwarze 989: static void
990: termp_nm_post(DECL_ARGS)
991: {
992:
1.213 schwarze 993: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 994: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 995: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 996: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 997: term_flushln(p);
1.165 schwarze 998: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 999: p->trailspace = 0;
1.213 schwarze 1000: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1001: term_flushln(p);
1002: }
1003:
1.1 kristaps 1004: static int
1005: termp_fl_pre(DECL_ARGS)
1006: {
1007:
1.219 schwarze 1008: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1009: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1010: term_word(p, "\\-");
1.67 schwarze 1011:
1.230 schwarze 1012: if (!(n->child == NULL &&
1.179 schwarze 1013: (n->next == NULL ||
1.213 schwarze 1014: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1015: n->next->flags & NODE_LINE)))
1.73 schwarze 1016: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1017:
1.227 schwarze 1018: return 1;
1.49 schwarze 1019: }
1020:
1021: static int
1.104 schwarze 1022: termp__a_pre(DECL_ARGS)
1023: {
1024:
1025: if (n->prev && MDOC__A == n->prev->tok)
1026: if (NULL == n->next || MDOC__A != n->next->tok)
1027: term_word(p, "and");
1028:
1.227 schwarze 1029: return 1;
1.104 schwarze 1030: }
1031:
1032: static int
1.49 schwarze 1033: termp_an_pre(DECL_ARGS)
1034: {
1035:
1.181 schwarze 1036: if (n->norm->An.auth == AUTH_split) {
1037: p->flags &= ~TERMP_NOSPLIT;
1038: p->flags |= TERMP_SPLIT;
1.227 schwarze 1039: return 0;
1.181 schwarze 1040: }
1041: if (n->norm->An.auth == AUTH_nosplit) {
1042: p->flags &= ~TERMP_SPLIT;
1043: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1044: return 0;
1.181 schwarze 1045: }
1.166 schwarze 1046:
1.181 schwarze 1047: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1048: term_newln(p);
1049:
1.181 schwarze 1050: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1051: p->flags |= TERMP_SPLIT;
1.49 schwarze 1052:
1.227 schwarze 1053: return 1;
1.1 kristaps 1054: }
1055:
1056: static int
1057: termp_ns_pre(DECL_ARGS)
1058: {
1059:
1.237 schwarze 1060: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1061: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1062: return 1;
1.1 kristaps 1063: }
1064:
1065: static int
1066: termp_rs_pre(DECL_ARGS)
1067: {
1068:
1.60 schwarze 1069: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1070: return 1;
1.213 schwarze 1071: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1072: term_vspace(p);
1.227 schwarze 1073: return 1;
1.1 kristaps 1074: }
1075:
1076: static int
1077: termp_ex_pre(DECL_ARGS)
1078: {
1.132 schwarze 1079: term_newln(p);
1.240 schwarze 1080: return 1;
1.1 kristaps 1081: }
1082:
1083: static int
1084: termp_nd_pre(DECL_ARGS)
1085: {
1.25 schwarze 1086:
1.213 schwarze 1087: if (n->type == ROFFT_BODY)
1.196 schwarze 1088: term_word(p, "\\(en");
1.227 schwarze 1089: return 1;
1.1 kristaps 1090: }
1091:
1.73 schwarze 1092: static int
1093: termp_bl_pre(DECL_ARGS)
1094: {
1095:
1.227 schwarze 1096: return n->type != ROFFT_HEAD;
1.73 schwarze 1097: }
1098:
1.1 kristaps 1099: static void
1100: termp_bl_post(DECL_ARGS)
1101: {
1102:
1.255 schwarze 1103: if (n->type != ROFFT_BLOCK)
1104: return;
1105: term_newln(p);
1106: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1107: return;
1108: term_tab_set(p, NULL);
1109: term_tab_set(p, "T");
1110: term_tab_set(p, ".5i");
1.1 kristaps 1111: }
1112:
1113: static int
1114: termp_xr_pre(DECL_ARGS)
1115: {
1116:
1.132 schwarze 1117: if (NULL == (n = n->child))
1.227 schwarze 1118: return 0;
1.72 schwarze 1119:
1.213 schwarze 1120: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1121: term_word(p, n->string);
1.10 schwarze 1122:
1.166 schwarze 1123: if (NULL == (n = n->next))
1.227 schwarze 1124: return 0;
1.132 schwarze 1125:
1.1 kristaps 1126: p->flags |= TERMP_NOSPACE;
1127: term_word(p, "(");
1.132 schwarze 1128: p->flags |= TERMP_NOSPACE;
1129:
1.213 schwarze 1130: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1131: term_word(p, n->string);
1132:
1133: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1134: term_word(p, ")");
1.60 schwarze 1135:
1.227 schwarze 1136: return 0;
1.1 kristaps 1137: }
1138:
1.86 schwarze 1139: /*
1140: * This decides how to assert whitespace before any of the SYNOPSIS set
1141: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1142: * macro combos).
1143: */
1144: static void
1.214 schwarze 1145: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1146: {
1.166 schwarze 1147: /*
1.86 schwarze 1148: * Obviously, if we're not in a SYNOPSIS or no prior macros
1149: * exist, do nothing.
1150: */
1.237 schwarze 1151: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1152: return;
1153:
1154: /*
1155: * If we're the second in a pair of like elements, emit our
1156: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1157: * case we soldier on.
1158: */
1.166 schwarze 1159: if (n->prev->tok == n->tok &&
1160: MDOC_Ft != n->tok &&
1161: MDOC_Fo != n->tok &&
1162: MDOC_Fn != n->tok) {
1.86 schwarze 1163: term_newln(p);
1164: return;
1165: }
1166:
1167: /*
1168: * If we're one of the SYNOPSIS set and non-like pair-wise after
1169: * another (or Fn/Fo, which we've let slip through) then assert
1170: * vertical space, else only newline and move on.
1171: */
1172: switch (n->prev->tok) {
1.166 schwarze 1173: case MDOC_Fd:
1174: case MDOC_Fn:
1175: case MDOC_Fo:
1176: case MDOC_In:
1177: case MDOC_Vt:
1.86 schwarze 1178: term_vspace(p);
1179: break;
1.166 schwarze 1180: case MDOC_Ft:
1.86 schwarze 1181: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1182: term_vspace(p);
1183: break;
1184: }
1185: /* FALLTHROUGH */
1186: default:
1187: term_newln(p);
1188: break;
1189: }
1190: }
1191:
1.69 schwarze 1192: static int
1193: termp_vt_pre(DECL_ARGS)
1194: {
1195:
1.213 schwarze 1196: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1197: synopsis_pre(p, n);
1.227 schwarze 1198: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1199: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1200: synopsis_pre(p, n);
1.227 schwarze 1201: return 1;
1.213 schwarze 1202: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1203: return 0;
1.69 schwarze 1204:
1.227 schwarze 1205: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1206: }
1207:
1.1 kristaps 1208: static int
1.54 schwarze 1209: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1210: {
1211:
1.219 schwarze 1212: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1213: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1214: return 1;
1.1 kristaps 1215: }
1216:
1.86 schwarze 1217: static int
1218: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1219: {
1220:
1.86 schwarze 1221: synopsis_pre(p, n);
1.227 schwarze 1222: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1223: }
1224:
1.143 schwarze 1225: static void
1226: termp_fd_post(DECL_ARGS)
1227: {
1228:
1229: term_newln(p);
1230: }
1231:
1.1 kristaps 1232: static int
1233: termp_sh_pre(DECL_ARGS)
1234: {
1.60 schwarze 1235:
1236: switch (n->type) {
1.213 schwarze 1237: case ROFFT_BLOCK:
1.192 schwarze 1238: /*
1239: * Vertical space before sections, except
1240: * when the previous section was empty.
1241: */
1242: if (n->prev == NULL ||
1.221 schwarze 1243: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1244: (n->prev->body != NULL &&
1245: n->prev->body->child != NULL))
1246: term_vspace(p);
1.52 schwarze 1247: break;
1.213 schwarze 1248: case ROFFT_HEAD:
1.65 schwarze 1249: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1250: break;
1.213 schwarze 1251: case ROFFT_BODY:
1.261 ! schwarze 1252: p->tcol->offset = term_len(p, p->defindent);
1.255 schwarze 1253: term_tab_set(p, NULL);
1254: term_tab_set(p, "T");
1255: term_tab_set(p, ".5i");
1.221 schwarze 1256: switch (n->sec) {
1257: case SEC_DESCRIPTION:
1258: fn_prio = 0;
1259: break;
1260: case SEC_AUTHORS:
1.141 schwarze 1261: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1262: break;
1263: default:
1264: break;
1265: }
1.1 kristaps 1266: break;
1267: default:
1268: break;
1269: }
1.227 schwarze 1270: return 1;
1.1 kristaps 1271: }
1272:
1273: static void
1274: termp_sh_post(DECL_ARGS)
1275: {
1276:
1.60 schwarze 1277: switch (n->type) {
1.213 schwarze 1278: case ROFFT_HEAD:
1.1 kristaps 1279: term_newln(p);
1280: break;
1.213 schwarze 1281: case ROFFT_BODY:
1.1 kristaps 1282: term_newln(p);
1.261 ! schwarze 1283: p->tcol->offset = 0;
1.1 kristaps 1284: break;
1285: default:
1286: break;
1287: }
1288: }
1289:
1290: static void
1291: termp_lb_post(DECL_ARGS)
1292: {
1293:
1.237 schwarze 1294: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1295: term_newln(p);
1.1 kristaps 1296: }
1297:
1298: static int
1299: termp_d1_pre(DECL_ARGS)
1300: {
1301:
1.213 schwarze 1302: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1303: return 1;
1.1 kristaps 1304: term_newln(p);
1.261 ! schwarze 1305: p->tcol->offset += term_len(p, p->defindent + 1);
1.255 schwarze 1306: term_tab_set(p, NULL);
1307: term_tab_set(p, "T");
1308: term_tab_set(p, ".5i");
1.227 schwarze 1309: return 1;
1.1 kristaps 1310: }
1311:
1312: static int
1313: termp_ft_pre(DECL_ARGS)
1314: {
1315:
1.237 schwarze 1316: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1317: synopsis_pre(p, n);
1.65 schwarze 1318: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1319: return 1;
1.1 kristaps 1320: }
1321:
1322: static int
1323: termp_fn_pre(DECL_ARGS)
1324: {
1.159 schwarze 1325: size_t rmargin = 0;
1.132 schwarze 1326: int pretty;
1327:
1.237 schwarze 1328: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1329:
1.86 schwarze 1330: synopsis_pre(p, n);
1.85 schwarze 1331:
1.132 schwarze 1332: if (NULL == (n = n->child))
1.227 schwarze 1333: return 0;
1.132 schwarze 1334:
1.153 schwarze 1335: if (pretty) {
1.261 ! schwarze 1336: rmargin = p->tcol->rmargin;
! 1337: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1338: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1339: }
1340:
1.213 schwarze 1341: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1342: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1343: term_word(p, n->string);
1.65 schwarze 1344: term_fontpop(p);
1.1 kristaps 1345:
1.235 schwarze 1346: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1347: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1348:
1.153 schwarze 1349: if (pretty) {
1350: term_flushln(p);
1.165 schwarze 1351: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.259 schwarze 1352: p->flags |= TERMP_NOPAD;
1.261 ! schwarze 1353: p->tcol->offset = p->tcol->rmargin;
! 1354: p->tcol->rmargin = rmargin;
1.153 schwarze 1355: }
1356:
1.1 kristaps 1357: p->flags |= TERMP_NOSPACE;
1358: term_word(p, "(");
1.132 schwarze 1359: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1360:
1.132 schwarze 1361: for (n = n->next; n; n = n->next) {
1.213 schwarze 1362: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1363: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1364: if (pretty)
1365: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1366: term_word(p, n->string);
1.65 schwarze 1367: term_fontpop(p);
1368:
1.132 schwarze 1369: if (n->next) {
1370: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1371: term_word(p, ",");
1.132 schwarze 1372: }
1.1 kristaps 1373: }
1374:
1.132 schwarze 1375: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1376: term_word(p, ")");
1377:
1.132 schwarze 1378: if (pretty) {
1379: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1380: term_word(p, ";");
1.153 schwarze 1381: term_flushln(p);
1.132 schwarze 1382: }
1.1 kristaps 1383:
1.227 schwarze 1384: return 0;
1.1 kristaps 1385: }
1386:
1387: static int
1388: termp_fa_pre(DECL_ARGS)
1389: {
1.214 schwarze 1390: const struct roff_node *nn;
1.1 kristaps 1391:
1.60 schwarze 1392: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1393: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1394: return 1;
1.1 kristaps 1395: }
1396:
1.60 schwarze 1397: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1398: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1399: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1400: term_word(p, nn->string);
1.65 schwarze 1401: term_fontpop(p);
1402:
1.158 schwarze 1403: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1404: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1405: term_word(p, ",");
1.132 schwarze 1406: }
1.1 kristaps 1407: }
1408:
1.227 schwarze 1409: return 0;
1.1 kristaps 1410: }
1411:
1412: static int
1413: termp_bd_pre(DECL_ARGS)
1414: {
1.260 schwarze 1415: size_t lm, len;
1.214 schwarze 1416: struct roff_node *nn;
1.201 schwarze 1417: int offset;
1.1 kristaps 1418:
1.213 schwarze 1419: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1420: print_bvspace(p, n, n);
1.227 schwarze 1421: return 1;
1.213 schwarze 1422: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1423: return 0;
1.1 kristaps 1424:
1.187 schwarze 1425: /* Handle the -offset argument. */
1426:
1427: if (n->norm->Bd.offs == NULL ||
1428: ! strcmp(n->norm->Bd.offs, "left"))
1429: /* nothing */;
1430: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.261 ! schwarze 1431: p->tcol->offset += term_len(p, p->defindent + 1);
1.187 schwarze 1432: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.261 ! schwarze 1433: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1434: else {
1435: offset = a2width(p, n->norm->Bd.offs);
1.261 ! schwarze 1436: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
! 1437: p->tcol->offset = 0;
1.201 schwarze 1438: else if (offset < SHRT_MAX)
1.261 ! schwarze 1439: p->tcol->offset += offset;
1.201 schwarze 1440: }
1.60 schwarze 1441:
1442: /*
1443: * If -ragged or -filled are specified, the block does nothing
1444: * but change the indentation. If -unfilled or -literal are
1445: * specified, text is printed exactly as entered in the display:
1446: * for macro lines, a newline is appended to the line. Blank
1447: * lines are allowed.
1448: */
1.166 schwarze 1449:
1.261 ! schwarze 1450: if (n->norm->Bd.type != DISP_literal &&
! 1451: n->norm->Bd.type != DISP_unfilled &&
! 1452: n->norm->Bd.type != DISP_centered)
1.227 schwarze 1453: return 1;
1.1 kristaps 1454:
1.255 schwarze 1455: if (n->norm->Bd.type == DISP_literal) {
1456: term_tab_set(p, NULL);
1457: term_tab_set(p, "T");
1458: term_tab_set(p, "8n");
1459: }
1.123 schwarze 1460:
1.261 ! schwarze 1461: lm = p->tcol->offset;
1.260 schwarze 1462: p->flags |= TERMP_BRNEVER;
1.261 ! schwarze 1463: for (nn = n->child; nn != NULL; nn = nn->next) {
! 1464: if (n->norm->Bd.type == DISP_centered) {
1.213 schwarze 1465: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1466: len = term_strlen(p, nn->string);
1.261 ! schwarze 1467: p->tcol->offset = len >= p->tcol->rmargin ?
! 1468: 0 : lm + len >= p->tcol->rmargin ?
! 1469: p->tcol->rmargin - len :
! 1470: (lm + p->tcol->rmargin - len) / 2;
1.174 schwarze 1471: } else
1.261 ! schwarze 1472: p->tcol->offset = lm;
1.174 schwarze 1473: }
1.147 schwarze 1474: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1475: /*
1476: * If the printed node flushes its own line, then we
1477: * needn't do it here as well. This is hacky, but the
1478: * notion of selective eoln whitespace is pretty dumb
1479: * anyway, so don't sweat it.
1480: */
1.255 schwarze 1481: if (nn->tok < ROFF_MAX)
1482: continue;
1.108 schwarze 1483: switch (nn->tok) {
1.166 schwarze 1484: case MDOC_Sm:
1485: case MDOC_Bl:
1486: case MDOC_D1:
1487: case MDOC_Dl:
1488: case MDOC_Lp:
1489: case MDOC_Pp:
1.108 schwarze 1490: continue;
1491: default:
1492: break;
1493: }
1.198 schwarze 1494: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1495: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1496: continue;
1497: term_flushln(p);
1.48 schwarze 1498: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1499: }
1.260 schwarze 1500: p->flags &= ~TERMP_BRNEVER;
1.227 schwarze 1501: return 0;
1.1 kristaps 1502: }
1503:
1504: static void
1505: termp_bd_post(DECL_ARGS)
1506: {
1.213 schwarze 1507: if (n->type != ROFFT_BODY)
1.1 kristaps 1508: return;
1.166 schwarze 1509: if (DISP_literal == n->norm->Bd.type ||
1510: DISP_unfilled == n->norm->Bd.type)
1.260 schwarze 1511: p->flags |= TERMP_BRNEVER;
1.48 schwarze 1512: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1513: term_newln(p);
1.260 schwarze 1514: p->flags &= ~TERMP_BRNEVER;
1.1 kristaps 1515: }
1516:
1517: static int
1.26 schwarze 1518: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1519: {
1.238 schwarze 1520: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1521: p->flags |= TERMP_PREKEEP;
1522: return 1;
1523: }
1.1 kristaps 1524:
1.238 schwarze 1525: static void
1526: termp_xx_post(DECL_ARGS)
1527: {
1528: if (n->aux == 0)
1529: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1530: }
1531:
1532: static void
1533: termp_pf_post(DECL_ARGS)
1534: {
1535:
1.237 schwarze 1536: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1537: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1538: }
1539:
1540: static int
1541: termp_ss_pre(DECL_ARGS)
1542: {
1.236 schwarze 1543: struct roff_node *nn;
1.1 kristaps 1544:
1.60 schwarze 1545: switch (n->type) {
1.213 schwarze 1546: case ROFFT_BLOCK:
1.1 kristaps 1547: term_newln(p);
1.236 schwarze 1548: for (nn = n->prev; nn != NULL; nn = nn->prev)
1549: if ((nn->flags & NODE_NOPRT) == 0)
1550: break;
1551: if (nn != NULL)
1.1 kristaps 1552: term_vspace(p);
1553: break;
1.213 schwarze 1554: case ROFFT_HEAD:
1.65 schwarze 1555: term_fontpush(p, TERMFONT_BOLD);
1.261 ! schwarze 1556: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1557: break;
1.213 schwarze 1558: case ROFFT_BODY:
1.261 ! schwarze 1559: p->tcol->offset = term_len(p, p->defindent);
1.255 schwarze 1560: term_tab_set(p, NULL);
1561: term_tab_set(p, "T");
1562: term_tab_set(p, ".5i");
1.176 schwarze 1563: break;
1.1 kristaps 1564: default:
1565: break;
1566: }
1567:
1.227 schwarze 1568: return 1;
1.1 kristaps 1569: }
1570:
1571: static void
1572: termp_ss_post(DECL_ARGS)
1573: {
1574:
1.213 schwarze 1575: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1576: term_newln(p);
1577: }
1578:
1579: static int
1580: termp_cd_pre(DECL_ARGS)
1581: {
1582:
1.86 schwarze 1583: synopsis_pre(p, n);
1.65 schwarze 1584: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1585: return 1;
1.1 kristaps 1586: }
1587:
1588: static int
1589: termp_in_pre(DECL_ARGS)
1590: {
1591:
1.86 schwarze 1592: synopsis_pre(p, n);
1.85 schwarze 1593:
1.237 schwarze 1594: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1595: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1596: term_word(p, "#include");
1.85 schwarze 1597: term_word(p, "<");
1598: } else {
1599: term_word(p, "<");
1600: term_fontpush(p, TERMFONT_UNDER);
1601: }
1.23 schwarze 1602:
1.1 kristaps 1603: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1604: return 1;
1.1 kristaps 1605: }
1606:
1607: static void
1608: termp_in_post(DECL_ARGS)
1609: {
1610:
1.237 schwarze 1611: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1612: term_fontpush(p, TERMFONT_BOLD);
1613:
1.59 schwarze 1614: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1615: term_word(p, ">");
1616:
1.237 schwarze 1617: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1618: term_fontpop(p);
1.38 schwarze 1619: }
1620:
1621: static int
1.254 schwarze 1622: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1623: {
1.254 schwarze 1624: fn_prio = 0;
1625: term_vspace(p);
1.227 schwarze 1626: return 0;
1.38 schwarze 1627: }
1628:
1629: static int
1.193 schwarze 1630: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1631: {
1632:
1.227 schwarze 1633: return 0;
1.170 schwarze 1634: }
1635:
1636: static int
1.107 schwarze 1637: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1638: {
1639:
1.213 schwarze 1640: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1641: return 1;
1.1 kristaps 1642:
1.107 schwarze 1643: switch (n->tok) {
1.166 schwarze 1644: case MDOC_Ao:
1645: case MDOC_Aq:
1.230 schwarze 1646: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1647: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1648: break;
1.166 schwarze 1649: case MDOC_Bro:
1650: case MDOC_Brq:
1.107 schwarze 1651: term_word(p, "{");
1652: break;
1.166 schwarze 1653: case MDOC_Oo:
1654: case MDOC_Op:
1655: case MDOC_Bo:
1656: case MDOC_Bq:
1.107 schwarze 1657: term_word(p, "[");
1658: break;
1.245 schwarze 1659: case MDOC__T:
1660: /* FALLTHROUGH */
1.166 schwarze 1661: case MDOC_Do:
1662: case MDOC_Dq:
1.210 schwarze 1663: term_word(p, "\\(Lq");
1.107 schwarze 1664: break;
1.170 schwarze 1665: case MDOC_En:
1666: if (NULL == n->norm->Es ||
1667: NULL == n->norm->Es->child)
1.227 schwarze 1668: return 1;
1.170 schwarze 1669: term_word(p, n->norm->Es->child->string);
1670: break;
1.166 schwarze 1671: case MDOC_Po:
1672: case MDOC_Pq:
1.107 schwarze 1673: term_word(p, "(");
1674: break;
1.166 schwarze 1675: case MDOC_Qo:
1676: case MDOC_Qq:
1.107 schwarze 1677: term_word(p, "\"");
1678: break;
1.166 schwarze 1679: case MDOC_Ql:
1680: case MDOC_So:
1681: case MDOC_Sq:
1.151 schwarze 1682: term_word(p, "\\(oq");
1.107 schwarze 1683: break;
1684: default:
1685: abort();
1686: }
1.1 kristaps 1687:
1688: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1689: return 1;
1.1 kristaps 1690: }
1691:
1692: static void
1.107 schwarze 1693: termp_quote_post(DECL_ARGS)
1.1 kristaps 1694: {
1695:
1.213 schwarze 1696: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1697: return;
1698:
1.205 schwarze 1699: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1700:
1.107 schwarze 1701: switch (n->tok) {
1.166 schwarze 1702: case MDOC_Ao:
1703: case MDOC_Aq:
1.230 schwarze 1704: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1705: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1706: break;
1.166 schwarze 1707: case MDOC_Bro:
1708: case MDOC_Brq:
1.107 schwarze 1709: term_word(p, "}");
1710: break;
1.166 schwarze 1711: case MDOC_Oo:
1712: case MDOC_Op:
1713: case MDOC_Bo:
1714: case MDOC_Bq:
1.107 schwarze 1715: term_word(p, "]");
1716: break;
1.245 schwarze 1717: case MDOC__T:
1718: /* FALLTHROUGH */
1.166 schwarze 1719: case MDOC_Do:
1720: case MDOC_Dq:
1.210 schwarze 1721: term_word(p, "\\(Rq");
1.170 schwarze 1722: break;
1723: case MDOC_En:
1.205 schwarze 1724: if (n->norm->Es == NULL ||
1725: n->norm->Es->child == NULL ||
1726: n->norm->Es->child->next == NULL)
1727: p->flags &= ~TERMP_NOSPACE;
1728: else
1.170 schwarze 1729: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1730: break;
1.166 schwarze 1731: case MDOC_Po:
1732: case MDOC_Pq:
1.107 schwarze 1733: term_word(p, ")");
1734: break;
1.166 schwarze 1735: case MDOC_Qo:
1736: case MDOC_Qq:
1.107 schwarze 1737: term_word(p, "\"");
1738: break;
1.166 schwarze 1739: case MDOC_Ql:
1740: case MDOC_So:
1741: case MDOC_Sq:
1.151 schwarze 1742: term_word(p, "\\(cq");
1.107 schwarze 1743: break;
1744: default:
1745: abort();
1746: }
1.205 schwarze 1747: }
1748:
1749: static int
1750: termp_eo_pre(DECL_ARGS)
1751: {
1752:
1.213 schwarze 1753: if (n->type != ROFFT_BODY)
1.227 schwarze 1754: return 1;
1.205 schwarze 1755:
1756: if (n->end == ENDBODY_NOT &&
1757: n->parent->head->child == NULL &&
1758: n->child != NULL &&
1759: n->child->end != ENDBODY_NOT)
1760: term_word(p, "\\&");
1761: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1762: n->parent->head->child != NULL && (n->child != NULL ||
1763: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1764: p->flags |= TERMP_NOSPACE;
1765:
1.227 schwarze 1766: return 1;
1.205 schwarze 1767: }
1768:
1769: static void
1770: termp_eo_post(DECL_ARGS)
1771: {
1772: int body, tail;
1773:
1.213 schwarze 1774: if (n->type != ROFFT_BODY)
1.205 schwarze 1775: return;
1776:
1777: if (n->end != ENDBODY_NOT) {
1778: p->flags &= ~TERMP_NOSPACE;
1779: return;
1780: }
1781:
1782: body = n->child != NULL || n->parent->head->child != NULL;
1783: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1784:
1785: if (body && tail)
1786: p->flags |= TERMP_NOSPACE;
1787: else if ( ! (body || tail))
1788: term_word(p, "\\&");
1789: else if ( ! tail)
1790: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1791: }
1792:
1793: static int
1794: termp_fo_pre(DECL_ARGS)
1795: {
1.159 schwarze 1796: size_t rmargin = 0;
1.158 schwarze 1797: int pretty;
1798:
1.237 schwarze 1799: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1800:
1.213 schwarze 1801: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1802: synopsis_pre(p, n);
1.227 schwarze 1803: return 1;
1.213 schwarze 1804: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1805: if (pretty) {
1.261 ! schwarze 1806: rmargin = p->tcol->rmargin;
! 1807: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1808: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1809: TERMP_HANG;
1.158 schwarze 1810: }
1.31 schwarze 1811: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1812: term_word(p, "(");
1.132 schwarze 1813: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1814: if (pretty) {
1815: term_flushln(p);
1.165 schwarze 1816: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1817: TERMP_HANG);
1.259 schwarze 1818: p->flags |= TERMP_NOPAD;
1.261 ! schwarze 1819: p->tcol->offset = p->tcol->rmargin;
! 1820: p->tcol->rmargin = rmargin;
1.158 schwarze 1821: }
1.227 schwarze 1822: return 1;
1.158 schwarze 1823: }
1.85 schwarze 1824:
1.95 schwarze 1825: if (NULL == n->child)
1.227 schwarze 1826: return 0;
1.95 schwarze 1827:
1.85 schwarze 1828: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1829:
1.85 schwarze 1830: assert(n->child->string);
1.65 schwarze 1831: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1832: term_word(p, n->child->string);
1.227 schwarze 1833: return 0;
1.1 kristaps 1834: }
1835:
1836: static void
1837: termp_fo_post(DECL_ARGS)
1838: {
1839:
1.213 schwarze 1840: if (n->type != ROFFT_BODY)
1.86 schwarze 1841: return;
1842:
1.132 schwarze 1843: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1844: term_word(p, ")");
1845:
1.237 schwarze 1846: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1847: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1848: term_word(p, ";");
1.158 schwarze 1849: term_flushln(p);
1.132 schwarze 1850: }
1.1 kristaps 1851: }
1852:
1853: static int
1854: termp_bf_pre(DECL_ARGS)
1855: {
1856:
1.213 schwarze 1857: if (n->type == ROFFT_HEAD)
1.227 schwarze 1858: return 0;
1.213 schwarze 1859: else if (n->type != ROFFT_BODY)
1.227 schwarze 1860: return 1;
1.1 kristaps 1861:
1.166 schwarze 1862: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1863: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1864: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1865: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1866: else
1.65 schwarze 1867: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1868:
1.227 schwarze 1869: return 1;
1.1 kristaps 1870: }
1871:
1872: static int
1873: termp_sm_pre(DECL_ARGS)
1874: {
1875:
1.171 schwarze 1876: if (NULL == n->child)
1877: p->flags ^= TERMP_NONOSPACE;
1878: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1879: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1880: else
1.1 kristaps 1881: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1882:
1883: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1884: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1885:
1.227 schwarze 1886: return 0;
1.1 kristaps 1887: }
1888:
1889: static int
1890: termp_ap_pre(DECL_ARGS)
1891: {
1892:
1893: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1894: term_word(p, "'");
1.1 kristaps 1895: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1896: return 1;
1.1 kristaps 1897: }
1898:
1899: static void
1900: termp____post(DECL_ARGS)
1901: {
1.104 schwarze 1902:
1903: /*
1904: * Handle lists of authors. In general, print each followed by
1905: * a comma. Don't print the comma if there are only two
1906: * authors.
1907: */
1908: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1909: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1910: if (NULL == n->prev || MDOC__A != n->prev->tok)
1911: return;
1.1 kristaps 1912:
1.62 schwarze 1913: /* TODO: %U. */
1914:
1.106 schwarze 1915: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1916: return;
1917:
1.132 schwarze 1918: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1919: if (NULL == n->next) {
1920: term_word(p, ".");
1921: p->flags |= TERMP_SENTENCE;
1922: } else
1923: term_word(p, ",");
1.1 kristaps 1924: }
1925:
1926: static int
1.65 schwarze 1927: termp_li_pre(DECL_ARGS)
1928: {
1929:
1.234 schwarze 1930: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1931: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1932: return 1;
1.65 schwarze 1933: }
1934:
1935: static int
1.1 kristaps 1936: termp_lk_pre(DECL_ARGS)
1937: {
1.257 schwarze 1938: const struct roff_node *link, *descr, *punct;
1.247 schwarze 1939: int display;
1.1 kristaps 1940:
1.248 schwarze 1941: if ((link = n->child) == NULL)
1.227 schwarze 1942: return 0;
1.101 schwarze 1943:
1.257 schwarze 1944: /* Find beginning of trailing punctuation. */
1945: punct = n->last;
1946: while (punct != link && punct->flags & NODE_DELIMC)
1947: punct = punct->prev;
1948: punct = punct->next;
1949:
1.248 schwarze 1950: /* Link text. */
1.257 schwarze 1951: if ((descr = link->next) != NULL && descr != punct) {
1.142 schwarze 1952: term_fontpush(p, TERMFONT_UNDER);
1.257 schwarze 1953: while (descr != punct) {
1954: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1955: p->flags |= TERMP_NOSPACE;
1.142 schwarze 1956: term_word(p, descr->string);
1957: descr = descr->next;
1958: }
1.246 schwarze 1959: term_fontpop(p);
1.142 schwarze 1960: p->flags |= TERMP_NOSPACE;
1961: term_word(p, ":");
1962: }
1.1 kristaps 1963:
1.248 schwarze 1964: /* Link target. */
1.247 schwarze 1965: display = term_strlen(p, link->string) >= 26;
1966: if (display) {
1967: term_newln(p);
1.261 ! schwarze 1968: p->tcol->offset += term_len(p, p->defindent + 1);
1.247 schwarze 1969: }
1.65 schwarze 1970: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 1971: term_word(p, link->string);
1.65 schwarze 1972: term_fontpop(p);
1.247 schwarze 1973:
1.248 schwarze 1974: /* Trailing punctuation. */
1.257 schwarze 1975: while (punct != NULL) {
1.248 schwarze 1976: p->flags |= TERMP_NOSPACE;
1.257 schwarze 1977: term_word(p, punct->string);
1978: punct = punct->next;
1.248 schwarze 1979: }
1.247 schwarze 1980: if (display)
1981: term_newln(p);
1.227 schwarze 1982: return 0;
1.1 kristaps 1983: }
1984:
1.90 schwarze 1985: static int
1986: termp_bk_pre(DECL_ARGS)
1987: {
1988:
1.91 schwarze 1989: switch (n->type) {
1.213 schwarze 1990: case ROFFT_BLOCK:
1.95 schwarze 1991: break;
1.213 schwarze 1992: case ROFFT_HEAD:
1.227 schwarze 1993: return 0;
1.213 schwarze 1994: case ROFFT_BODY:
1.230 schwarze 1995: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 1996: p->flags |= TERMP_PREKEEP;
1.95 schwarze 1997: break;
1.91 schwarze 1998: default:
1999: abort();
2000: }
1.95 schwarze 2001:
1.227 schwarze 2002: return 1;
1.90 schwarze 2003: }
2004:
2005: static void
2006: termp_bk_post(DECL_ARGS)
2007: {
2008:
1.213 schwarze 2009: if (n->type == ROFFT_BODY)
1.91 schwarze 2010: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2011: }
1.120 schwarze 2012:
2013: static void
2014: termp__t_post(DECL_ARGS)
2015: {
2016:
2017: /*
2018: * If we're in an `Rs' and there's a journal present, then quote
2019: * us instead of underlining us (for disambiguation).
2020: */
1.121 schwarze 2021: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2022: n->parent->norm->Rs.quote_T)
1.147 schwarze 2023: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2024:
1.147 schwarze 2025: termp____post(p, pair, meta, n);
1.120 schwarze 2026: }
2027:
2028: static int
2029: termp__t_pre(DECL_ARGS)
2030: {
2031:
2032: /*
2033: * If we're in an `Rs' and there's a journal present, then quote
2034: * us instead of underlining us (for disambiguation).
2035: */
1.121 schwarze 2036: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2037: n->parent->norm->Rs.quote_T)
1.227 schwarze 2038: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2039:
2040: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2041: return 1;
1.121 schwarze 2042: }
1.1 kristaps 2043:
2044: static int
1.54 schwarze 2045: termp_under_pre(DECL_ARGS)
1.1 kristaps 2046: {
2047:
1.65 schwarze 2048: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2049: return 1;
2050: }
2051:
2052: static int
2053: termp_em_pre(DECL_ARGS)
2054: {
2055: if (n->child != NULL &&
2056: n->child->type == ROFFT_TEXT)
2057: tag_put(n->child->string, 0, p->line);
2058: term_fontpush(p, TERMFONT_UNDER);
2059: return 1;
2060: }
2061:
2062: static int
2063: termp_sy_pre(DECL_ARGS)
2064: {
2065: if (n->child != NULL &&
2066: n->child->type == ROFFT_TEXT)
2067: tag_put(n->child->string, 0, p->line);
2068: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2069: return 1;
1.222 schwarze 2070: }
2071:
2072: static int
2073: termp_er_pre(DECL_ARGS)
2074: {
2075:
2076: if (n->sec == SEC_ERRORS &&
2077: (n->parent->tok == MDOC_It ||
2078: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2079: n->parent->parent->parent->tok == MDOC_It)))
2080: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2081: return 1;
1.219 schwarze 2082: }
2083:
2084: static int
2085: termp_tag_pre(DECL_ARGS)
2086: {
2087:
2088: if (n->child != NULL &&
2089: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2090: (n->prev == NULL ||
2091: (n->prev->type == ROFFT_TEXT &&
2092: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2093: (n->parent->tok == MDOC_It ||
2094: (n->parent->tok == MDOC_Xo &&
2095: n->parent->parent->prev == NULL &&
1.223 schwarze 2096: n->parent->parent->parent->tok == MDOC_It)))
2097: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2098: return 1;
1.1 kristaps 2099: }
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