Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.249
1.249 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.248 2017/04/17 12:52:00 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);
1.162 schwarze 107: static int termp_ll_pre(DECL_ARGS);
1.29 schwarze 108: static int termp_lk_pre(DECL_ARGS);
109: static int termp_nd_pre(DECL_ARGS);
110: static int termp_nm_pre(DECL_ARGS);
111: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 112: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_rs_pre(DECL_ARGS);
114: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 115: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 116: static int termp_sm_pre(DECL_ARGS);
1.38 schwarze 117: static int termp_sp_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 119: static int termp_sy_pre(DECL_ARGS);
1.219 schwarze 120: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 121: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 122: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 123: static int termp_xr_pre(DECL_ARGS);
124: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 125:
1.249 ! schwarze 126: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 127: { NULL, NULL }, /* Dd */
128: { NULL, NULL }, /* Dt */
129: { NULL, NULL }, /* Os */
130: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 131: { termp_ss_pre, termp_ss_post }, /* Ss */
132: { termp_sp_pre, NULL }, /* Pp */
1.143 schwarze 133: { termp_d1_pre, termp_bl_post }, /* D1 */
134: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 135: { termp_bd_pre, termp_bd_post }, /* Bd */
136: { NULL, NULL }, /* Ed */
1.73 schwarze 137: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 138: { NULL, NULL }, /* El */
139: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 140: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 141: { termp_an_pre, NULL }, /* An */
1.249 ! schwarze 142: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 143: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 144: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 145: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 146: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 147: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 148: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 149: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 150: { termp_fa_pre, NULL }, /* Fa */
151: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 152: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 153: { termp_fn_pre, NULL }, /* Fn */
154: { termp_ft_pre, NULL }, /* Ft */
155: { termp_bold_pre, NULL }, /* Ic */
156: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 157: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 158: { termp_nd_pre, NULL }, /* Nd */
159: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 160: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 161: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 162: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 163: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 164: { NULL, NULL }, /* St */
1.54 schwarze 165: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 166: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 167: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 168: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 169: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 170: { NULL, termp____post }, /* %D */
1.58 schwarze 171: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 172: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 173: { NULL, termp____post }, /* %N */
174: { NULL, termp____post }, /* %O */
175: { NULL, termp____post }, /* %P */
176: { NULL, termp____post }, /* %R */
1.120 schwarze 177: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 178: { NULL, termp____post }, /* %V */
179: { NULL, NULL }, /* Ac */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Ao */
181: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 182: { NULL, NULL }, /* At */
1.1 kristaps 183: { NULL, NULL }, /* Bc */
1.166 schwarze 184: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 185: { termp_quote_pre, termp_quote_post }, /* Bo */
186: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 187: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 188: { NULL, NULL }, /* Bx */
1.193 schwarze 189: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 190: { NULL, NULL }, /* Dc */
1.107 schwarze 191: { termp_quote_pre, termp_quote_post }, /* Do */
192: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 193: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 194: { NULL, NULL }, /* Ef */
1.233 schwarze 195: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 196: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 197: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 198: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 199: { termp_li_pre, NULL }, /* No */
1.1 kristaps 200: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 201: { termp_xx_pre, termp_xx_post }, /* Nx */
202: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 203: { NULL, NULL }, /* Pc */
1.156 schwarze 204: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 205: { termp_quote_pre, termp_quote_post }, /* Po */
206: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 207: { NULL, NULL }, /* Qc */
1.107 schwarze 208: { termp_quote_pre, termp_quote_post }, /* Ql */
209: { termp_quote_pre, termp_quote_post }, /* Qo */
210: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 211: { NULL, NULL }, /* Re */
212: { termp_rs_pre, NULL }, /* Rs */
213: { NULL, NULL }, /* Sc */
1.107 schwarze 214: { termp_quote_pre, termp_quote_post }, /* So */
215: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 216: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 217: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 218: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 219: { NULL, NULL }, /* Tn */
1.238 schwarze 220: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 221: { NULL, NULL }, /* Xc */
222: { NULL, NULL }, /* Xo */
1.166 schwarze 223: { termp_fo_pre, termp_fo_post }, /* Fo */
224: { NULL, NULL }, /* Fc */
1.107 schwarze 225: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 226: { NULL, NULL }, /* Oc */
1.90 schwarze 227: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 228: { NULL, NULL }, /* Ek */
1.240 schwarze 229: { NULL, NULL }, /* Bt */
1.1 kristaps 230: { NULL, NULL }, /* Hf */
1.170 schwarze 231: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 232: { NULL, NULL }, /* Ud */
1.32 schwarze 233: { NULL, termp_lb_post }, /* Lb */
1.166 schwarze 234: { termp_sp_pre, NULL }, /* Lp */
235: { termp_lk_pre, NULL }, /* Lk */
236: { termp_under_pre, NULL }, /* Mt */
237: { termp_quote_pre, termp_quote_post }, /* Brq */
238: { termp_quote_pre, termp_quote_post }, /* Bro */
239: { NULL, NULL }, /* Brc */
240: { NULL, termp____post }, /* %C */
1.193 schwarze 241: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 242: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 243: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 244: { NULL, termp____post }, /* %Q */
1.54 schwarze 245: { termp_sp_pre, NULL }, /* br */
1.166 schwarze 246: { termp_sp_pre, NULL }, /* sp */
247: { NULL, termp____post }, /* %U */
248: { NULL, NULL }, /* Ta */
1.162 schwarze 249: { termp_ll_pre, NULL }, /* ll */
1.1 kristaps 250: };
1.249 ! schwarze 251: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 252:
1.221 schwarze 253: static int fn_prio;
1.1 kristaps 254:
1.249 ! schwarze 255:
1.55 schwarze 256: void
1.217 schwarze 257: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 258: {
1.214 schwarze 259: struct roff_node *n;
1.61 schwarze 260: struct termp *p;
1.241 schwarze 261: size_t save_defindent;
1.61 schwarze 262:
263: p = (struct termp *)arg;
1.71 schwarze 264: p->overstep = 0;
1.180 schwarze 265: p->rmargin = p->maxrmargin = p->defrmargin;
1.89 schwarze 266: p->tabwidth = term_len(p, 5);
1.55 schwarze 267:
1.218 schwarze 268: n = mdoc->first->child;
1.180 schwarze 269: if (p->synopsisonly) {
270: while (n != NULL) {
271: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
272: if (n->child->next->child != NULL)
273: print_mdoc_nodelist(p, NULL,
1.218 schwarze 274: &mdoc->meta,
275: n->child->next->child);
1.180 schwarze 276: term_newln(p);
277: break;
278: }
279: n = n->next;
280: }
281: } else {
1.241 schwarze 282: save_defindent = p->defindent;
1.180 schwarze 283: if (p->defindent == 0)
284: p->defindent = 5;
1.218 schwarze 285: term_begin(p, print_mdoc_head, print_mdoc_foot,
286: &mdoc->meta);
1.236 schwarze 287: while (n != NULL && n->flags & NODE_NOPRT)
288: n = n->next;
1.180 schwarze 289: if (n != NULL) {
290: if (n->tok != MDOC_Sh)
291: term_vspace(p);
1.218 schwarze 292: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 293: }
294: term_end(p);
1.241 schwarze 295: p->defindent = save_defindent;
1.173 schwarze 296: }
1.1 kristaps 297: }
298:
299: static void
1.65 schwarze 300: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 301: {
302:
1.203 schwarze 303: while (n != NULL) {
304: print_mdoc_node(p, pair, meta, n);
305: n = n->next;
306: }
1.1 kristaps 307: }
308:
309: static void
1.65 schwarze 310: print_mdoc_node(DECL_ARGS)
1.1 kristaps 311: {
1.65 schwarze 312: int chld;
1.1 kristaps 313: struct termpair npair;
1.28 schwarze 314: size_t offset, rmargin;
1.1 kristaps 315:
1.236 schwarze 316: if (n->flags & NODE_NOPRT)
317: return;
318:
1.54 schwarze 319: chld = 1;
1.28 schwarze 320: offset = p->offset;
321: rmargin = p->rmargin;
1.237 schwarze 322: n->flags &= ~NODE_ENDED;
1.204 schwarze 323: n->prev_font = p->fonti;
1.1 kristaps 324:
1.63 schwarze 325: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 326: npair.ppair = pair;
1.65 schwarze 327:
1.95 schwarze 328: /*
329: * Keeps only work until the end of a line. If a keep was
330: * invoked in a prior line, revert it to PREKEEP.
331: */
332:
1.237 schwarze 333: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 334: p->flags &= ~TERMP_KEEP;
335: p->flags |= TERMP_PREKEEP;
1.95 schwarze 336: }
1.116 schwarze 337:
338: /*
1.128 schwarze 339: * After the keep flags have been set up, we may now
340: * produce output. Note that some pre-handlers do so.
341: */
342:
343: switch (n->type) {
1.213 schwarze 344: case ROFFT_TEXT:
1.237 schwarze 345: if (' ' == *n->string && NODE_LINE & n->flags)
1.128 schwarze 346: term_newln(p);
1.237 schwarze 347: if (NODE_DELIMC & n->flags)
1.132 schwarze 348: p->flags |= TERMP_NOSPACE;
1.128 schwarze 349: term_word(p, n->string);
1.237 schwarze 350: if (NODE_DELIMO & n->flags)
1.132 schwarze 351: p->flags |= TERMP_NOSPACE;
1.128 schwarze 352: break;
1.213 schwarze 353: case ROFFT_EQN:
1.237 schwarze 354: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 355: p->flags |= TERMP_NOSPACE;
1.135 schwarze 356: term_eqn(p, n->eqn);
1.237 schwarze 357: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 358: p->flags |= TERMP_NOSPACE;
1.131 schwarze 359: break;
1.213 schwarze 360: case ROFFT_TBL:
1.212 schwarze 361: if (p->tbl.cols == NULL)
362: term_newln(p);
1.128 schwarze 363: term_tbl(p, n->span);
364: break;
365: default:
1.249 ! schwarze 366: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 367: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 368: chld = (*termacts[n->tok].pre)
1.147 schwarze 369: (p, &npair, meta, n);
1.128 schwarze 370: break;
371: }
1.95 schwarze 372:
1.60 schwarze 373: if (chld && n->child)
1.147 schwarze 374: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 375:
1.146 schwarze 376: term_fontpopq(p,
1.209 schwarze 377: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 378:
1.122 schwarze 379: switch (n->type) {
1.213 schwarze 380: case ROFFT_TEXT:
1.122 schwarze 381: break;
1.213 schwarze 382: case ROFFT_TBL:
1.131 schwarze 383: break;
1.213 schwarze 384: case ROFFT_EQN:
1.122 schwarze 385: break;
386: default:
1.249 ! schwarze 387: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 388: break;
1.147 schwarze 389: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 390:
391: /*
392: * Explicit end tokens not only call the post
393: * handler, but also tell the respective block
394: * that it must not call the post handler again.
395: */
1.95 schwarze 396: if (ENDBODY_NOT != n->end)
1.237 schwarze 397: n->body->flags |= NODE_ENDED;
1.122 schwarze 398: break;
1.93 schwarze 399: }
1.28 schwarze 400:
1.237 schwarze 401: if (NODE_EOS & n->flags)
1.78 schwarze 402: p->flags |= TERMP_SENTENCE;
403:
1.162 schwarze 404: if (MDOC_ll != n->tok) {
405: p->offset = offset;
406: p->rmargin = rmargin;
407: }
1.1 kristaps 408: }
409:
410: static void
1.215 schwarze 411: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 412: {
1.191 schwarze 413: size_t sz;
1.87 schwarze 414:
1.65 schwarze 415: term_fontrepl(p, TERMFONT_NONE);
416:
1.166 schwarze 417: /*
1.7 schwarze 418: * Output the footer in new-groff style, that is, three columns
419: * with the middle being the manual date and flanking columns
420: * being the operating system:
421: *
422: * SYSTEM DATE SYSTEM
423: */
424:
1.1 kristaps 425: term_vspace(p);
426:
1.7 schwarze 427: p->offset = 0;
1.191 schwarze 428: sz = term_strlen(p, meta->date);
429: p->rmargin = p->maxrmargin > sz ?
430: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 431: p->trailspace = 1;
1.1 kristaps 432: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
433:
1.147 schwarze 434: term_word(p, meta->os);
1.1 kristaps 435: term_flushln(p);
436:
1.7 schwarze 437: p->offset = p->rmargin;
1.191 schwarze 438: sz = term_strlen(p, meta->os);
439: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 440: p->flags |= TERMP_NOSPACE;
1.7 schwarze 441:
1.147 schwarze 442: term_word(p, meta->date);
1.7 schwarze 443: term_flushln(p);
444:
1.1 kristaps 445: p->offset = p->rmargin;
446: p->rmargin = p->maxrmargin;
1.152 schwarze 447: p->trailspace = 0;
1.1 kristaps 448: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 449: p->flags |= TERMP_NOSPACE;
1.1 kristaps 450:
1.147 schwarze 451: term_word(p, meta->os);
1.1 kristaps 452: term_flushln(p);
1.7 schwarze 453:
454: p->offset = 0;
455: p->rmargin = p->maxrmargin;
456: p->flags = 0;
1.1 kristaps 457: }
458:
459: static void
1.215 schwarze 460: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 461: {
1.169 schwarze 462: char *volume, *title;
463: size_t vollen, titlen;
1.1 kristaps 464:
465: /*
466: * The header is strange. It has three components, which are
467: * really two with the first duplicated. It goes like this:
468: *
469: * IDENTIFIER TITLE IDENTIFIER
470: *
471: * The IDENTIFIER is NAME(SECTION), which is the command-name
472: * (if given, or "unknown" if not) followed by the manual page
473: * section. These are given in `Dt'. The TITLE is a free-form
474: * string depending on the manual volume. If not specified, it
475: * switches on the manual section.
476: */
1.137 schwarze 477:
1.147 schwarze 478: assert(meta->vol);
1.169 schwarze 479: if (NULL == meta->arch)
480: volume = mandoc_strdup(meta->vol);
481: else
482: mandoc_asprintf(&volume, "%s (%s)",
483: meta->vol, meta->arch);
484: vollen = term_strlen(p, volume);
1.1 kristaps 485:
1.177 schwarze 486: if (NULL == meta->msec)
487: title = mandoc_strdup(meta->title);
488: else
489: mandoc_asprintf(&title, "%s(%s)",
490: meta->title, meta->msec);
1.137 schwarze 491: titlen = term_strlen(p, title);
1.1 kristaps 492:
1.137 schwarze 493: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 494: p->trailspace = 1;
1.1 kristaps 495: p->offset = 0;
1.169 schwarze 496: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
497: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 498: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 499:
500: term_word(p, title);
501: term_flushln(p);
502:
1.137 schwarze 503: p->flags |= TERMP_NOSPACE;
1.1 kristaps 504: p->offset = p->rmargin;
1.169 schwarze 505: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 506: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 507:
1.169 schwarze 508: term_word(p, volume);
1.1 kristaps 509: term_flushln(p);
510:
511: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 512: p->trailspace = 0;
1.137 schwarze 513: if (p->rmargin + titlen <= p->maxrmargin) {
514: p->flags |= TERMP_NOSPACE;
515: p->offset = p->rmargin;
516: p->rmargin = p->maxrmargin;
517: term_word(p, title);
518: term_flushln(p);
519: }
1.1 kristaps 520:
1.137 schwarze 521: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 522: p->offset = 0;
1.1 kristaps 523: p->rmargin = p->maxrmargin;
1.168 schwarze 524: free(title);
1.169 schwarze 525: free(volume);
1.1 kristaps 526: }
527:
1.201 schwarze 528: static int
1.89 schwarze 529: a2width(const struct termp *p, const char *v)
1.61 schwarze 530: {
531: struct roffsu su;
1.1 kristaps 532:
1.199 schwarze 533: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 534: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 535: su.scale /= term_strlen(p, "0");
1.201 schwarze 536: }
1.227 schwarze 537: return term_hspan(p, &su) / 24;
1.1 kristaps 538: }
539:
1.68 schwarze 540: /*
541: * Determine how much space to print out before block elements of `It'
542: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
543: * too.
544: */
1.45 schwarze 545: static void
1.166 schwarze 546: print_bvspace(struct termp *p,
1.214 schwarze 547: const struct roff_node *bl,
548: const struct roff_node *n)
1.1 kristaps 549: {
1.214 schwarze 550: const struct roff_node *nn;
1.138 schwarze 551:
552: assert(n);
1.1 kristaps 553:
554: term_newln(p);
1.88 schwarze 555:
1.121 schwarze 556: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 557: return;
1.121 schwarze 558: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 559: return;
560:
1.60 schwarze 561: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 562:
1.188 schwarze 563: nn = n;
1.236 schwarze 564: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
565: nn = nn->prev;
1.188 schwarze 566: while (nn->prev == NULL) {
567: do {
568: nn = nn->parent;
1.213 schwarze 569: if (nn->type == ROFFT_ROOT)
1.188 schwarze 570: return;
1.213 schwarze 571: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 572: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 573: return;
1.188 schwarze 574: if (nn->tok == MDOC_It &&
575: nn->parent->parent->norm->Bl.type != LIST_item)
576: break;
1.1 kristaps 577: }
578:
1.60 schwarze 579: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 580:
1.121 schwarze 581: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 582: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 583: return;
584:
1.60 schwarze 585: /* A `-diag' without body does not vspace. */
586:
1.121 schwarze 587: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 588: if (n->prev && MDOC_It == n->prev->tok) {
589: assert(n->prev->body);
590: if (NULL == n->prev->body->child)
1.45 schwarze 591: return;
592: }
593:
594: term_vspace(p);
1.162 schwarze 595: }
596:
597:
598: static int
599: termp_ll_pre(DECL_ARGS)
600: {
601:
1.230 schwarze 602: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.227 schwarze 603: return 0;
1.1 kristaps 604: }
605:
606: static int
607: termp_it_pre(DECL_ARGS)
608: {
1.244 schwarze 609: struct roffsu su;
1.201 schwarze 610: char buf[24];
1.214 schwarze 611: const struct roff_node *bl, *nn;
1.201 schwarze 612: size_t ncols, dcol;
613: int i, offset, width;
1.82 schwarze 614: enum mdoc_list type;
1.1 kristaps 615:
1.213 schwarze 616: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 617: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 618: return 1;
1.45 schwarze 619: }
1.1 kristaps 620:
1.60 schwarze 621: bl = n->parent->parent->parent;
1.121 schwarze 622: type = bl->norm->Bl.type;
1.1 kristaps 623:
1.166 schwarze 624: /*
1.201 schwarze 625: * Defaults for specific list types.
626: */
627:
628: switch (type) {
629: case LIST_bullet:
630: case LIST_dash:
631: case LIST_hyphen:
632: case LIST_enum:
633: width = term_len(p, 2);
634: break;
635: case LIST_hang:
1.231 schwarze 636: case LIST_tag:
1.201 schwarze 637: width = term_len(p, 8);
638: break;
639: case LIST_column:
640: width = term_len(p, 10);
641: break;
642: default:
643: width = 0;
644: break;
645: }
646: offset = 0;
647:
648: /*
1.68 schwarze 649: * First calculate width and offset. This is pretty easy unless
650: * we're a -column list, in which case all prior columns must
651: * be accounted for.
652: */
653:
1.201 schwarze 654: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 655: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 656: if (offset < 0 && (size_t)(-offset) > p->offset)
657: offset = -p->offset;
658: else if (offset > SHRT_MAX)
659: offset = 0;
660: }
1.66 schwarze 661:
1.1 kristaps 662: switch (type) {
1.166 schwarze 663: case LIST_column:
1.213 schwarze 664: if (n->type == ROFFT_HEAD)
1.1 kristaps 665: break;
1.88 schwarze 666:
1.66 schwarze 667: /*
1.68 schwarze 668: * Imitate groff's column handling:
669: * - For each earlier column, add its width.
670: * - For less than 5 columns, add four more blanks per
671: * column.
672: * - For exactly 5 columns, add three more blank per
673: * column.
674: * - For more than 5 columns, add only one column.
1.66 schwarze 675: */
1.121 schwarze 676: ncols = bl->norm->Bl.ncols;
1.166 schwarze 677: dcol = ncols < 5 ? term_len(p, 4) :
678: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 679:
1.85 schwarze 680: /*
1.213 schwarze 681: * Calculate the offset by applying all prior ROFFT_BODY,
682: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 683: */
684:
1.166 schwarze 685: for (i = 0, nn = n->prev;
686: nn->prev && i < (int)ncols;
1.244 schwarze 687: nn = nn->prev, i++) {
688: SCALE_HS_INIT(&su,
689: term_strlen(p, bl->norm->Bl.cols[i]));
690: su.scale /= term_strlen(p, "0");
691: offset += term_hspan(p, &su) / 24 + dcol;
692: }
1.66 schwarze 693:
694: /*
1.68 schwarze 695: * When exceeding the declared number of columns, leave
696: * the remaining widths at 0. This will later be
697: * adjusted to the default width of 10, or, for the last
698: * column, stretched to the right margin.
1.46 schwarze 699: */
1.68 schwarze 700: if (i >= (int)ncols)
701: break;
1.46 schwarze 702:
1.66 schwarze 703: /*
1.68 schwarze 704: * Use the declared column widths, extended as explained
705: * in the preceding paragraph.
1.66 schwarze 706: */
1.244 schwarze 707: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
708: su.scale /= term_strlen(p, "0");
709: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 710: break;
711: default:
1.121 schwarze 712: if (NULL == bl->norm->Bl.width)
1.68 schwarze 713: break;
714:
1.166 schwarze 715: /*
1.68 schwarze 716: * Note: buffer the width by 2, which is groff's magic
717: * number for buffering single arguments. See the above
718: * handling for column for how this changes.
719: */
1.121 schwarze 720: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 721: if (width < 0 && (size_t)(-width) > p->offset)
722: width = -p->offset;
723: else if (width > SHRT_MAX)
724: width = 0;
1.1 kristaps 725: break;
726: }
727:
1.166 schwarze 728: /*
1.16 schwarze 729: * Whitespace control. Inset bodies need an initial space,
730: * while diagonal bodies need two.
1.1 kristaps 731: */
732:
1.42 schwarze 733: p->flags |= TERMP_NOSPACE;
734:
1.1 kristaps 735: switch (type) {
1.166 schwarze 736: case LIST_diag:
1.213 schwarze 737: if (n->type == ROFFT_BODY)
1.48 schwarze 738: term_word(p, "\\ \\ ");
1.42 schwarze 739: break;
1.166 schwarze 740: case LIST_inset:
1.230 schwarze 741: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 742: term_word(p, "\\ ");
1.1 kristaps 743: break;
744: default:
745: break;
746: }
747:
1.42 schwarze 748: p->flags |= TERMP_NOSPACE;
749:
1.1 kristaps 750: switch (type) {
1.166 schwarze 751: case LIST_diag:
1.213 schwarze 752: if (n->type == ROFFT_HEAD)
1.65 schwarze 753: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 754: break;
755: default:
756: break;
757: }
758:
759: /*
1.68 schwarze 760: * Pad and break control. This is the tricky part. These flags
761: * are documented in term_flushln() in term.c. Note that we're
762: * going to unset all of these flags in termp_it_post() when we
763: * exit.
1.1 kristaps 764: */
765:
766: switch (type) {
1.166 schwarze 767: case LIST_enum:
1.228 schwarze 768: case LIST_bullet:
769: case LIST_dash:
770: case LIST_hyphen:
1.144 schwarze 771: /*
772: * Weird special case.
1.201 schwarze 773: * Some very narrow lists actually hang.
1.144 schwarze 774: */
1.201 schwarze 775: if (width <= (int)term_len(p, 2))
776: p->flags |= TERMP_HANG;
1.213 schwarze 777: if (n->type != ROFFT_HEAD)
1.152 schwarze 778: break;
779: p->flags |= TERMP_NOBREAK;
780: p->trailspace = 1;
1.33 schwarze 781: break;
1.166 schwarze 782: case LIST_hang:
1.213 schwarze 783: if (n->type != ROFFT_HEAD)
1.47 schwarze 784: break;
785:
786: /*
787: * This is ugly. If `-hang' is specified and the body
788: * is a `Bl' or `Bd', then we want basically to nullify
789: * the "overstep" effect in term_flushln() and treat
790: * this as a `-ohang' list instead.
791: */
1.178 schwarze 792: if (NULL != n->next &&
793: NULL != n->next->child &&
1.166 schwarze 794: (MDOC_Bl == n->next->child->tok ||
795: MDOC_Bd == n->next->child->tok))
1.152 schwarze 796: break;
797:
1.165 schwarze 798: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 799: p->trailspace = 1;
1.33 schwarze 800: break;
1.166 schwarze 801: case LIST_tag:
1.213 schwarze 802: if (n->type != ROFFT_HEAD)
1.33 schwarze 803: break;
1.152 schwarze 804:
1.225 schwarze 805: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 806: p->trailspace = 2;
807:
1.60 schwarze 808: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 809: p->flags |= TERMP_DANGLE;
1.1 kristaps 810: break;
1.166 schwarze 811: case LIST_column:
1.213 schwarze 812: if (n->type == ROFFT_HEAD)
1.85 schwarze 813: break;
814:
1.152 schwarze 815: if (NULL == n->next) {
1.85 schwarze 816: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 817: p->trailspace = 0;
818: } else {
1.85 schwarze 819: p->flags |= TERMP_NOBREAK;
1.152 schwarze 820: p->trailspace = 1;
821: }
1.85 schwarze 822:
1.1 kristaps 823: break;
1.166 schwarze 824: case LIST_diag:
1.213 schwarze 825: if (n->type != ROFFT_HEAD)
1.152 schwarze 826: break;
1.165 schwarze 827: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 828: p->trailspace = 1;
1.1 kristaps 829: break;
830: default:
831: break;
832: }
833:
1.166 schwarze 834: /*
1.1 kristaps 835: * Margin control. Set-head-width lists have their right
836: * margins shortened. The body for these lists has the offset
837: * necessarily lengthened. Everybody gets the offset.
838: */
839:
840: p->offset += offset;
841:
842: switch (type) {
1.166 schwarze 843: case LIST_hang:
1.47 schwarze 844: /*
845: * Same stipulation as above, regarding `-hang'. We
846: * don't want to recalculate rmargin and offsets when
847: * using `Bd' or `Bl' within `-hang' overstep lists.
848: */
1.213 schwarze 849: if (n->type == ROFFT_HEAD &&
1.178 schwarze 850: NULL != n->next &&
851: NULL != n->next->child &&
1.166 schwarze 852: (MDOC_Bl == n->next->child->tok ||
853: MDOC_Bd == n->next->child->tok))
1.47 schwarze 854: break;
855: /* FALLTHROUGH */
1.166 schwarze 856: case LIST_bullet:
857: case LIST_dash:
858: case LIST_enum:
859: case LIST_hyphen:
860: case LIST_tag:
1.213 schwarze 861: if (n->type == ROFFT_HEAD)
1.1 kristaps 862: p->rmargin = p->offset + width;
1.191 schwarze 863: else
1.1 kristaps 864: p->offset += width;
865: break;
1.166 schwarze 866: case LIST_column:
1.41 schwarze 867: assert(width);
1.1 kristaps 868: p->rmargin = p->offset + width;
1.166 schwarze 869: /*
1.43 schwarze 870: * XXX - this behaviour is not documented: the
871: * right-most column is filled to the right margin.
872: */
1.213 schwarze 873: if (n->type == ROFFT_HEAD)
1.85 schwarze 874: break;
875: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 876: p->rmargin = p->maxrmargin;
1.1 kristaps 877: break;
878: default:
879: break;
880: }
881:
1.166 schwarze 882: /*
1.1 kristaps 883: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 884: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 885: */
886:
1.213 schwarze 887: if (n->type == ROFFT_HEAD)
1.1 kristaps 888: switch (type) {
1.166 schwarze 889: case LIST_bullet:
1.65 schwarze 890: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 891: term_word(p, "\\[bu]");
1.65 schwarze 892: term_fontpop(p);
1.1 kristaps 893: break;
1.166 schwarze 894: case LIST_dash:
895: case LIST_hyphen:
1.65 schwarze 896: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 897: term_word(p, "-");
1.65 schwarze 898: term_fontpop(p);
1.1 kristaps 899: break;
1.166 schwarze 900: case LIST_enum:
1.1 kristaps 901: (pair->ppair->ppair->count)++;
1.167 schwarze 902: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 903: pair->ppair->ppair->count);
1.1 kristaps 904: term_word(p, buf);
905: break;
906: default:
907: break;
908: }
1.12 schwarze 909:
1.166 schwarze 910: /*
1.1 kristaps 911: * If we're not going to process our children, indicate so here.
912: */
913:
914: switch (type) {
1.166 schwarze 915: case LIST_bullet:
916: case LIST_item:
917: case LIST_dash:
918: case LIST_hyphen:
919: case LIST_enum:
1.213 schwarze 920: if (n->type == ROFFT_HEAD)
1.227 schwarze 921: return 0;
1.1 kristaps 922: break;
1.166 schwarze 923: case LIST_column:
1.213 schwarze 924: if (n->type == ROFFT_HEAD)
1.227 schwarze 925: return 0;
1.1 kristaps 926: break;
927: default:
928: break;
929: }
930:
1.227 schwarze 931: return 1;
1.1 kristaps 932: }
933:
934: static void
935: termp_it_post(DECL_ARGS)
936: {
1.82 schwarze 937: enum mdoc_list type;
1.1 kristaps 938:
1.213 schwarze 939: if (n->type == ROFFT_BLOCK)
1.1 kristaps 940: return;
941:
1.121 schwarze 942: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 943:
944: switch (type) {
1.166 schwarze 945: case LIST_item:
946: case LIST_diag:
947: case LIST_inset:
1.213 schwarze 948: if (n->type == ROFFT_BODY)
1.74 schwarze 949: term_newln(p);
1.1 kristaps 950: break;
1.166 schwarze 951: case LIST_column:
1.213 schwarze 952: if (n->type == ROFFT_BODY)
1.1 kristaps 953: term_flushln(p);
954: break;
955: default:
1.74 schwarze 956: term_newln(p);
1.1 kristaps 957: break;
958: }
959:
1.166 schwarze 960: /*
1.68 schwarze 961: * Now that our output is flushed, we can reset our tags. Since
962: * only `It' sets these flags, we're free to assume that nobody
963: * has munged them in the meanwhile.
964: */
965:
1.225 schwarze 966: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 967: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 968: p->trailspace = 0;
1.1 kristaps 969: }
970:
971: static int
972: termp_nm_pre(DECL_ARGS)
973: {
1.195 schwarze 974: const char *cp;
1.1 kristaps 975:
1.213 schwarze 976: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 977: p->flags |= TERMP_PREKEEP;
1.227 schwarze 978: return 1;
1.155 schwarze 979: }
1.94 schwarze 980:
1.213 schwarze 981: if (n->type == ROFFT_BODY) {
1.94 schwarze 982: if (NULL == n->child)
1.227 schwarze 983: return 0;
1.136 schwarze 984: p->flags |= TERMP_NOSPACE;
1.195 schwarze 985: cp = NULL;
986: if (n->prev->child != NULL)
987: cp = n->prev->child->string;
988: if (cp == NULL)
989: cp = meta->name;
990: if (cp == NULL)
991: p->offset += term_len(p, 6);
992: else
993: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 994: return 1;
1.94 schwarze 995: }
996:
1.242 schwarze 997: if (n->child == NULL)
1.227 schwarze 998: return 0;
1.81 schwarze 999:
1.213 schwarze 1000: if (n->type == ROFFT_HEAD)
1.97 schwarze 1001: synopsis_pre(p, n->parent);
1.65 schwarze 1002:
1.213 schwarze 1003: if (n->type == ROFFT_HEAD &&
1.178 schwarze 1004: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 1005: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1006: p->trailspace = 1;
1.105 schwarze 1007: p->rmargin = p->offset + term_len(p, 1);
1008: if (NULL == n->child) {
1.147 schwarze 1009: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1010: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1011: p->rmargin += term_strlen(p, n->child->string);
1012: if (n->child->next)
1013: p->flags |= TERMP_HANG;
1014: } else {
1015: p->rmargin += term_len(p, 5);
1016: p->flags |= TERMP_HANG;
1017: }
1.94 schwarze 1018: }
1019:
1.65 schwarze 1020: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1021: return 1;
1.1 kristaps 1022: }
1023:
1.94 schwarze 1024: static void
1025: termp_nm_post(DECL_ARGS)
1026: {
1027:
1.213 schwarze 1028: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1029: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1030: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1031: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1032: term_flushln(p);
1.165 schwarze 1033: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1034: p->trailspace = 0;
1.213 schwarze 1035: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1036: term_flushln(p);
1037: }
1038:
1.1 kristaps 1039: static int
1040: termp_fl_pre(DECL_ARGS)
1041: {
1042:
1.219 schwarze 1043: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1044: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1045: term_word(p, "\\-");
1.67 schwarze 1046:
1.230 schwarze 1047: if (!(n->child == NULL &&
1.179 schwarze 1048: (n->next == NULL ||
1.213 schwarze 1049: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1050: n->next->flags & NODE_LINE)))
1.73 schwarze 1051: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1052:
1.227 schwarze 1053: return 1;
1.49 schwarze 1054: }
1055:
1056: static int
1.104 schwarze 1057: termp__a_pre(DECL_ARGS)
1058: {
1059:
1060: if (n->prev && MDOC__A == n->prev->tok)
1061: if (NULL == n->next || MDOC__A != n->next->tok)
1062: term_word(p, "and");
1063:
1.227 schwarze 1064: return 1;
1.104 schwarze 1065: }
1066:
1067: static int
1.49 schwarze 1068: termp_an_pre(DECL_ARGS)
1069: {
1070:
1.181 schwarze 1071: if (n->norm->An.auth == AUTH_split) {
1072: p->flags &= ~TERMP_NOSPLIT;
1073: p->flags |= TERMP_SPLIT;
1.227 schwarze 1074: return 0;
1.181 schwarze 1075: }
1076: if (n->norm->An.auth == AUTH_nosplit) {
1077: p->flags &= ~TERMP_SPLIT;
1078: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1079: return 0;
1.181 schwarze 1080: }
1.166 schwarze 1081:
1.181 schwarze 1082: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1083: term_newln(p);
1084:
1.181 schwarze 1085: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1086: p->flags |= TERMP_SPLIT;
1.49 schwarze 1087:
1.227 schwarze 1088: return 1;
1.1 kristaps 1089: }
1090:
1091: static int
1092: termp_ns_pre(DECL_ARGS)
1093: {
1094:
1.237 schwarze 1095: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1096: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1097: return 1;
1.1 kristaps 1098: }
1099:
1100: static int
1101: termp_rs_pre(DECL_ARGS)
1102: {
1103:
1.60 schwarze 1104: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1105: return 1;
1.213 schwarze 1106: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1107: term_vspace(p);
1.227 schwarze 1108: return 1;
1.1 kristaps 1109: }
1110:
1111: static int
1112: termp_ex_pre(DECL_ARGS)
1113: {
1.132 schwarze 1114: term_newln(p);
1.240 schwarze 1115: return 1;
1.1 kristaps 1116: }
1117:
1118: static int
1119: termp_nd_pre(DECL_ARGS)
1120: {
1.25 schwarze 1121:
1.213 schwarze 1122: if (n->type == ROFFT_BODY)
1.196 schwarze 1123: term_word(p, "\\(en");
1.227 schwarze 1124: return 1;
1.1 kristaps 1125: }
1126:
1.73 schwarze 1127: static int
1128: termp_bl_pre(DECL_ARGS)
1129: {
1130:
1.227 schwarze 1131: return n->type != ROFFT_HEAD;
1.73 schwarze 1132: }
1133:
1.1 kristaps 1134: static void
1135: termp_bl_post(DECL_ARGS)
1136: {
1137:
1.213 schwarze 1138: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1139: term_newln(p);
1140: }
1141:
1142: static int
1143: termp_xr_pre(DECL_ARGS)
1144: {
1145:
1.132 schwarze 1146: if (NULL == (n = n->child))
1.227 schwarze 1147: return 0;
1.72 schwarze 1148:
1.213 schwarze 1149: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1150: term_word(p, n->string);
1.10 schwarze 1151:
1.166 schwarze 1152: if (NULL == (n = n->next))
1.227 schwarze 1153: return 0;
1.132 schwarze 1154:
1.1 kristaps 1155: p->flags |= TERMP_NOSPACE;
1156: term_word(p, "(");
1.132 schwarze 1157: p->flags |= TERMP_NOSPACE;
1158:
1.213 schwarze 1159: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1160: term_word(p, n->string);
1161:
1162: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1163: term_word(p, ")");
1.60 schwarze 1164:
1.227 schwarze 1165: return 0;
1.1 kristaps 1166: }
1167:
1.86 schwarze 1168: /*
1169: * This decides how to assert whitespace before any of the SYNOPSIS set
1170: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1171: * macro combos).
1172: */
1173: static void
1.214 schwarze 1174: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1175: {
1.166 schwarze 1176: /*
1.86 schwarze 1177: * Obviously, if we're not in a SYNOPSIS or no prior macros
1178: * exist, do nothing.
1179: */
1.237 schwarze 1180: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1181: return;
1182:
1183: /*
1184: * If we're the second in a pair of like elements, emit our
1185: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1186: * case we soldier on.
1187: */
1.166 schwarze 1188: if (n->prev->tok == n->tok &&
1189: MDOC_Ft != n->tok &&
1190: MDOC_Fo != n->tok &&
1191: MDOC_Fn != n->tok) {
1.86 schwarze 1192: term_newln(p);
1193: return;
1194: }
1195:
1196: /*
1197: * If we're one of the SYNOPSIS set and non-like pair-wise after
1198: * another (or Fn/Fo, which we've let slip through) then assert
1199: * vertical space, else only newline and move on.
1200: */
1201: switch (n->prev->tok) {
1.166 schwarze 1202: case MDOC_Fd:
1203: case MDOC_Fn:
1204: case MDOC_Fo:
1205: case MDOC_In:
1206: case MDOC_Vt:
1.86 schwarze 1207: term_vspace(p);
1208: break;
1.166 schwarze 1209: case MDOC_Ft:
1.86 schwarze 1210: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1211: term_vspace(p);
1212: break;
1213: }
1214: /* FALLTHROUGH */
1215: default:
1216: term_newln(p);
1217: break;
1218: }
1219: }
1220:
1.69 schwarze 1221: static int
1222: termp_vt_pre(DECL_ARGS)
1223: {
1224:
1.213 schwarze 1225: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1226: synopsis_pre(p, n);
1.227 schwarze 1227: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1228: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1229: synopsis_pre(p, n);
1.227 schwarze 1230: return 1;
1.213 schwarze 1231: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1232: return 0;
1.69 schwarze 1233:
1.227 schwarze 1234: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1235: }
1236:
1.1 kristaps 1237: static int
1.54 schwarze 1238: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1239: {
1240:
1.219 schwarze 1241: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1242: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1243: return 1;
1.1 kristaps 1244: }
1245:
1.86 schwarze 1246: static int
1247: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1248: {
1249:
1.86 schwarze 1250: synopsis_pre(p, n);
1.227 schwarze 1251: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1252: }
1253:
1.143 schwarze 1254: static void
1255: termp_fd_post(DECL_ARGS)
1256: {
1257:
1258: term_newln(p);
1259: }
1260:
1.1 kristaps 1261: static int
1262: termp_sh_pre(DECL_ARGS)
1263: {
1.60 schwarze 1264:
1265: switch (n->type) {
1.213 schwarze 1266: case ROFFT_BLOCK:
1.192 schwarze 1267: /*
1268: * Vertical space before sections, except
1269: * when the previous section was empty.
1270: */
1271: if (n->prev == NULL ||
1.221 schwarze 1272: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1273: (n->prev->body != NULL &&
1274: n->prev->body->child != NULL))
1275: term_vspace(p);
1.52 schwarze 1276: break;
1.213 schwarze 1277: case ROFFT_HEAD:
1.65 schwarze 1278: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1279: break;
1.213 schwarze 1280: case ROFFT_BODY:
1.140 schwarze 1281: p->offset = term_len(p, p->defindent);
1.221 schwarze 1282: switch (n->sec) {
1283: case SEC_DESCRIPTION:
1284: fn_prio = 0;
1285: break;
1286: case SEC_AUTHORS:
1.141 schwarze 1287: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1288: break;
1289: default:
1290: break;
1291: }
1.1 kristaps 1292: break;
1293: default:
1294: break;
1295: }
1.227 schwarze 1296: return 1;
1.1 kristaps 1297: }
1298:
1299: static void
1300: termp_sh_post(DECL_ARGS)
1301: {
1302:
1.60 schwarze 1303: switch (n->type) {
1.213 schwarze 1304: case ROFFT_HEAD:
1.1 kristaps 1305: term_newln(p);
1306: break;
1.213 schwarze 1307: case ROFFT_BODY:
1.1 kristaps 1308: term_newln(p);
1309: p->offset = 0;
1310: break;
1311: default:
1312: break;
1313: }
1314: }
1315:
1316: static void
1317: termp_lb_post(DECL_ARGS)
1318: {
1319:
1.237 schwarze 1320: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1321: term_newln(p);
1.1 kristaps 1322: }
1323:
1324: static int
1325: termp_d1_pre(DECL_ARGS)
1326: {
1327:
1.213 schwarze 1328: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1329: return 1;
1.1 kristaps 1330: term_newln(p);
1.140 schwarze 1331: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1332: return 1;
1.1 kristaps 1333: }
1334:
1335: static int
1336: termp_ft_pre(DECL_ARGS)
1337: {
1338:
1.237 schwarze 1339: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1340: synopsis_pre(p, n);
1.65 schwarze 1341: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1342: return 1;
1.1 kristaps 1343: }
1344:
1345: static int
1346: termp_fn_pre(DECL_ARGS)
1347: {
1.159 schwarze 1348: size_t rmargin = 0;
1.132 schwarze 1349: int pretty;
1350:
1.237 schwarze 1351: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1352:
1.86 schwarze 1353: synopsis_pre(p, n);
1.85 schwarze 1354:
1.132 schwarze 1355: if (NULL == (n = n->child))
1.227 schwarze 1356: return 0;
1.132 schwarze 1357:
1.153 schwarze 1358: if (pretty) {
1359: rmargin = p->rmargin;
1.159 schwarze 1360: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1361: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1362: }
1363:
1.213 schwarze 1364: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1365: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1366: term_word(p, n->string);
1.65 schwarze 1367: term_fontpop(p);
1.1 kristaps 1368:
1.235 schwarze 1369: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1370: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1371:
1.153 schwarze 1372: if (pretty) {
1373: term_flushln(p);
1.165 schwarze 1374: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1375: p->offset = p->rmargin;
1376: p->rmargin = rmargin;
1377: }
1378:
1.1 kristaps 1379: p->flags |= TERMP_NOSPACE;
1380: term_word(p, "(");
1.132 schwarze 1381: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1382:
1.132 schwarze 1383: for (n = n->next; n; n = n->next) {
1.213 schwarze 1384: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1385: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1386: if (pretty)
1387: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1388: term_word(p, n->string);
1.65 schwarze 1389: term_fontpop(p);
1390:
1.132 schwarze 1391: if (n->next) {
1392: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1393: term_word(p, ",");
1.132 schwarze 1394: }
1.1 kristaps 1395: }
1396:
1.132 schwarze 1397: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1398: term_word(p, ")");
1399:
1.132 schwarze 1400: if (pretty) {
1401: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1402: term_word(p, ";");
1.153 schwarze 1403: term_flushln(p);
1.132 schwarze 1404: }
1.1 kristaps 1405:
1.227 schwarze 1406: return 0;
1.1 kristaps 1407: }
1408:
1409: static int
1410: termp_fa_pre(DECL_ARGS)
1411: {
1.214 schwarze 1412: const struct roff_node *nn;
1.1 kristaps 1413:
1.60 schwarze 1414: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1415: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1416: return 1;
1.1 kristaps 1417: }
1418:
1.60 schwarze 1419: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1420: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1421: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1422: term_word(p, nn->string);
1.65 schwarze 1423: term_fontpop(p);
1424:
1.158 schwarze 1425: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1426: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1427: term_word(p, ",");
1.132 schwarze 1428: }
1.1 kristaps 1429: }
1430:
1.227 schwarze 1431: return 0;
1.1 kristaps 1432: }
1433:
1434: static int
1435: termp_bd_pre(DECL_ARGS)
1436: {
1.174 schwarze 1437: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1438: struct roff_node *nn;
1.201 schwarze 1439: int offset;
1.1 kristaps 1440:
1.213 schwarze 1441: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1442: print_bvspace(p, n, n);
1.227 schwarze 1443: return 1;
1.213 schwarze 1444: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1445: return 0;
1.1 kristaps 1446:
1.187 schwarze 1447: /* Handle the -offset argument. */
1448:
1449: if (n->norm->Bd.offs == NULL ||
1450: ! strcmp(n->norm->Bd.offs, "left"))
1451: /* nothing */;
1452: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1453: p->offset += term_len(p, p->defindent + 1);
1454: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1455: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1456: else {
1457: offset = a2width(p, n->norm->Bd.offs);
1458: if (offset < 0 && (size_t)(-offset) > p->offset)
1459: p->offset = 0;
1460: else if (offset < SHRT_MAX)
1461: p->offset += offset;
1462: }
1.60 schwarze 1463:
1464: /*
1465: * If -ragged or -filled are specified, the block does nothing
1466: * but change the indentation. If -unfilled or -literal are
1467: * specified, text is printed exactly as entered in the display:
1468: * for macro lines, a newline is appended to the line. Blank
1469: * lines are allowed.
1470: */
1.166 schwarze 1471:
1472: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1473: DISP_unfilled != n->norm->Bd.type &&
1474: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1475: return 1;
1.1 kristaps 1476:
1.75 schwarze 1477: tabwidth = p->tabwidth;
1.123 schwarze 1478: if (DISP_literal == n->norm->Bd.type)
1479: p->tabwidth = term_len(p, 8);
1480:
1.174 schwarze 1481: lm = p->offset;
1.77 schwarze 1482: rm = p->rmargin;
1483: rmax = p->maxrmargin;
1484: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1485:
1.60 schwarze 1486: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1487: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1488: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1489: len = term_strlen(p, nn->string);
1490: p->offset = len >= rm ? 0 :
1491: lm + len >= rm ? rm - len :
1492: (lm + rm - len) / 2;
1493: } else
1494: p->offset = lm;
1495: }
1.147 schwarze 1496: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1497: /*
1498: * If the printed node flushes its own line, then we
1499: * needn't do it here as well. This is hacky, but the
1500: * notion of selective eoln whitespace is pretty dumb
1501: * anyway, so don't sweat it.
1502: */
1503: switch (nn->tok) {
1.166 schwarze 1504: case MDOC_Sm:
1505: case MDOC_br:
1506: case MDOC_sp:
1507: case MDOC_Bl:
1508: case MDOC_D1:
1509: case MDOC_Dl:
1510: case MDOC_Lp:
1511: case MDOC_Pp:
1.108 schwarze 1512: continue;
1513: default:
1514: break;
1515: }
1.198 schwarze 1516: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1517: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1518: continue;
1519: term_flushln(p);
1.48 schwarze 1520: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1521: }
1.88 schwarze 1522:
1.75 schwarze 1523: p->tabwidth = tabwidth;
1.77 schwarze 1524: p->rmargin = rm;
1525: p->maxrmargin = rmax;
1.227 schwarze 1526: return 0;
1.1 kristaps 1527: }
1528:
1529: static void
1530: termp_bd_post(DECL_ARGS)
1531: {
1.77 schwarze 1532: size_t rm, rmax;
1.1 kristaps 1533:
1.213 schwarze 1534: if (n->type != ROFFT_BODY)
1.1 kristaps 1535: return;
1.77 schwarze 1536:
1537: rm = p->rmargin;
1538: rmax = p->maxrmargin;
1539:
1.166 schwarze 1540: if (DISP_literal == n->norm->Bd.type ||
1541: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1542: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1543:
1.48 schwarze 1544: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1545: term_newln(p);
1.77 schwarze 1546:
1547: p->rmargin = rm;
1548: p->maxrmargin = rmax;
1.1 kristaps 1549: }
1550:
1551: static int
1.26 schwarze 1552: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1553: {
1.238 schwarze 1554: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1555: p->flags |= TERMP_PREKEEP;
1556: return 1;
1557: }
1.1 kristaps 1558:
1.238 schwarze 1559: static void
1560: termp_xx_post(DECL_ARGS)
1561: {
1562: if (n->aux == 0)
1563: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1564: }
1565:
1566: static void
1567: termp_pf_post(DECL_ARGS)
1568: {
1569:
1.237 schwarze 1570: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1571: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1572: }
1573:
1574: static int
1575: termp_ss_pre(DECL_ARGS)
1576: {
1.236 schwarze 1577: struct roff_node *nn;
1.1 kristaps 1578:
1.60 schwarze 1579: switch (n->type) {
1.213 schwarze 1580: case ROFFT_BLOCK:
1.1 kristaps 1581: term_newln(p);
1.236 schwarze 1582: for (nn = n->prev; nn != NULL; nn = nn->prev)
1583: if ((nn->flags & NODE_NOPRT) == 0)
1584: break;
1585: if (nn != NULL)
1.1 kristaps 1586: term_vspace(p);
1587: break;
1.213 schwarze 1588: case ROFFT_HEAD:
1.65 schwarze 1589: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1590: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1591: break;
1.213 schwarze 1592: case ROFFT_BODY:
1.176 schwarze 1593: p->offset = term_len(p, p->defindent);
1594: break;
1.1 kristaps 1595: default:
1596: break;
1597: }
1598:
1.227 schwarze 1599: return 1;
1.1 kristaps 1600: }
1601:
1602: static void
1603: termp_ss_post(DECL_ARGS)
1604: {
1605:
1.213 schwarze 1606: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1607: term_newln(p);
1608: }
1609:
1610: static int
1611: termp_cd_pre(DECL_ARGS)
1612: {
1613:
1.86 schwarze 1614: synopsis_pre(p, n);
1.65 schwarze 1615: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1616: return 1;
1.1 kristaps 1617: }
1618:
1619: static int
1620: termp_in_pre(DECL_ARGS)
1621: {
1622:
1.86 schwarze 1623: synopsis_pre(p, n);
1.85 schwarze 1624:
1.237 schwarze 1625: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1626: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1627: term_word(p, "#include");
1.85 schwarze 1628: term_word(p, "<");
1629: } else {
1630: term_word(p, "<");
1631: term_fontpush(p, TERMFONT_UNDER);
1632: }
1.23 schwarze 1633:
1.1 kristaps 1634: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1635: return 1;
1.1 kristaps 1636: }
1637:
1638: static void
1639: termp_in_post(DECL_ARGS)
1640: {
1641:
1.237 schwarze 1642: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1643: term_fontpush(p, TERMFONT_BOLD);
1644:
1.59 schwarze 1645: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1646: term_word(p, ">");
1647:
1.237 schwarze 1648: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1649: term_fontpop(p);
1.38 schwarze 1650: }
1651:
1652: static int
1653: termp_sp_pre(DECL_ARGS)
1654: {
1.199 schwarze 1655: struct roffsu su;
1.211 schwarze 1656: int i, len;
1.38 schwarze 1657:
1.60 schwarze 1658: switch (n->tok) {
1.166 schwarze 1659: case MDOC_sp:
1.199 schwarze 1660: if (n->child) {
1661: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1662: su.scale = 1.0;
1663: len = term_vspan(p, &su);
1664: } else
1665: len = 1;
1.54 schwarze 1666: break;
1.166 schwarze 1667: case MDOC_br:
1.54 schwarze 1668: len = 0;
1669: break;
1670: default:
1671: len = 1;
1.221 schwarze 1672: fn_prio = 0;
1.54 schwarze 1673: break;
1.38 schwarze 1674: }
1675:
1676: if (0 == len)
1677: term_newln(p);
1.211 schwarze 1678: else if (len < 0)
1679: p->skipvsp -= len;
1680: else
1681: for (i = 0; i < len; i++)
1682: term_vspace(p);
1.38 schwarze 1683:
1.227 schwarze 1684: return 0;
1.38 schwarze 1685: }
1686:
1687: static int
1.193 schwarze 1688: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1689: {
1690:
1.227 schwarze 1691: return 0;
1.170 schwarze 1692: }
1693:
1694: static int
1.107 schwarze 1695: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1696: {
1697:
1.213 schwarze 1698: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1699: return 1;
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 ? "<" : "\\(la");
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, "\\(Lq");
1.107 schwarze 1722: break;
1.170 schwarze 1723: case MDOC_En:
1724: if (NULL == n->norm->Es ||
1725: NULL == n->norm->Es->child)
1.227 schwarze 1726: return 1;
1.170 schwarze 1727: term_word(p, n->norm->Es->child->string);
1728: break;
1.166 schwarze 1729: case MDOC_Po:
1730: case MDOC_Pq:
1.107 schwarze 1731: term_word(p, "(");
1732: break;
1.166 schwarze 1733: case MDOC_Qo:
1734: case MDOC_Qq:
1.107 schwarze 1735: term_word(p, "\"");
1736: break;
1.166 schwarze 1737: case MDOC_Ql:
1738: case MDOC_So:
1739: case MDOC_Sq:
1.151 schwarze 1740: term_word(p, "\\(oq");
1.107 schwarze 1741: break;
1742: default:
1743: abort();
1744: }
1.1 kristaps 1745:
1746: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1747: return 1;
1.1 kristaps 1748: }
1749:
1750: static void
1.107 schwarze 1751: termp_quote_post(DECL_ARGS)
1.1 kristaps 1752: {
1753:
1.213 schwarze 1754: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1755: return;
1756:
1.205 schwarze 1757: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1758:
1.107 schwarze 1759: switch (n->tok) {
1.166 schwarze 1760: case MDOC_Ao:
1761: case MDOC_Aq:
1.230 schwarze 1762: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1763: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1764: break;
1.166 schwarze 1765: case MDOC_Bro:
1766: case MDOC_Brq:
1.107 schwarze 1767: term_word(p, "}");
1768: break;
1.166 schwarze 1769: case MDOC_Oo:
1770: case MDOC_Op:
1771: case MDOC_Bo:
1772: case MDOC_Bq:
1.107 schwarze 1773: term_word(p, "]");
1774: break;
1.245 schwarze 1775: case MDOC__T:
1776: /* FALLTHROUGH */
1.166 schwarze 1777: case MDOC_Do:
1778: case MDOC_Dq:
1.210 schwarze 1779: term_word(p, "\\(Rq");
1.170 schwarze 1780: break;
1781: case MDOC_En:
1.205 schwarze 1782: if (n->norm->Es == NULL ||
1783: n->norm->Es->child == NULL ||
1784: n->norm->Es->child->next == NULL)
1785: p->flags &= ~TERMP_NOSPACE;
1786: else
1.170 schwarze 1787: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1788: break;
1.166 schwarze 1789: case MDOC_Po:
1790: case MDOC_Pq:
1.107 schwarze 1791: term_word(p, ")");
1792: break;
1.166 schwarze 1793: case MDOC_Qo:
1794: case MDOC_Qq:
1.107 schwarze 1795: term_word(p, "\"");
1796: break;
1.166 schwarze 1797: case MDOC_Ql:
1798: case MDOC_So:
1799: case MDOC_Sq:
1.151 schwarze 1800: term_word(p, "\\(cq");
1.107 schwarze 1801: break;
1802: default:
1803: abort();
1804: }
1.205 schwarze 1805: }
1806:
1807: static int
1808: termp_eo_pre(DECL_ARGS)
1809: {
1810:
1.213 schwarze 1811: if (n->type != ROFFT_BODY)
1.227 schwarze 1812: return 1;
1.205 schwarze 1813:
1814: if (n->end == ENDBODY_NOT &&
1815: n->parent->head->child == NULL &&
1816: n->child != NULL &&
1817: n->child->end != ENDBODY_NOT)
1818: term_word(p, "\\&");
1819: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1820: n->parent->head->child != NULL && (n->child != NULL ||
1821: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1822: p->flags |= TERMP_NOSPACE;
1823:
1.227 schwarze 1824: return 1;
1.205 schwarze 1825: }
1826:
1827: static void
1828: termp_eo_post(DECL_ARGS)
1829: {
1830: int body, tail;
1831:
1.213 schwarze 1832: if (n->type != ROFFT_BODY)
1.205 schwarze 1833: return;
1834:
1835: if (n->end != ENDBODY_NOT) {
1836: p->flags &= ~TERMP_NOSPACE;
1837: return;
1838: }
1839:
1840: body = n->child != NULL || n->parent->head->child != NULL;
1841: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1842:
1843: if (body && tail)
1844: p->flags |= TERMP_NOSPACE;
1845: else if ( ! (body || tail))
1846: term_word(p, "\\&");
1847: else if ( ! tail)
1848: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1849: }
1850:
1851: static int
1852: termp_fo_pre(DECL_ARGS)
1853: {
1.159 schwarze 1854: size_t rmargin = 0;
1.158 schwarze 1855: int pretty;
1856:
1.237 schwarze 1857: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1858:
1.213 schwarze 1859: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1860: synopsis_pre(p, n);
1.227 schwarze 1861: return 1;
1.213 schwarze 1862: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1863: if (pretty) {
1864: rmargin = p->rmargin;
1.159 schwarze 1865: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1866: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1867: TERMP_HANG;
1.158 schwarze 1868: }
1.31 schwarze 1869: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1870: term_word(p, "(");
1.132 schwarze 1871: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1872: if (pretty) {
1873: term_flushln(p);
1.165 schwarze 1874: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1875: TERMP_HANG);
1.158 schwarze 1876: p->offset = p->rmargin;
1877: p->rmargin = rmargin;
1878: }
1.227 schwarze 1879: return 1;
1.158 schwarze 1880: }
1.85 schwarze 1881:
1.95 schwarze 1882: if (NULL == n->child)
1.227 schwarze 1883: return 0;
1.95 schwarze 1884:
1.85 schwarze 1885: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1886:
1.85 schwarze 1887: assert(n->child->string);
1.65 schwarze 1888: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1889: term_word(p, n->child->string);
1.227 schwarze 1890: return 0;
1.1 kristaps 1891: }
1892:
1893: static void
1894: termp_fo_post(DECL_ARGS)
1895: {
1896:
1.213 schwarze 1897: if (n->type != ROFFT_BODY)
1.86 schwarze 1898: return;
1899:
1.132 schwarze 1900: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1901: term_word(p, ")");
1902:
1.237 schwarze 1903: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1904: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1905: term_word(p, ";");
1.158 schwarze 1906: term_flushln(p);
1.132 schwarze 1907: }
1.1 kristaps 1908: }
1909:
1910: static int
1911: termp_bf_pre(DECL_ARGS)
1912: {
1913:
1.213 schwarze 1914: if (n->type == ROFFT_HEAD)
1.227 schwarze 1915: return 0;
1.213 schwarze 1916: else if (n->type != ROFFT_BODY)
1.227 schwarze 1917: return 1;
1.1 kristaps 1918:
1.166 schwarze 1919: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1920: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1921: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1922: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1923: else
1.65 schwarze 1924: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1925:
1.227 schwarze 1926: return 1;
1.1 kristaps 1927: }
1928:
1929: static int
1930: termp_sm_pre(DECL_ARGS)
1931: {
1932:
1.171 schwarze 1933: if (NULL == n->child)
1934: p->flags ^= TERMP_NONOSPACE;
1935: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1936: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1937: else
1.1 kristaps 1938: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1939:
1940: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1941: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1942:
1.227 schwarze 1943: return 0;
1.1 kristaps 1944: }
1945:
1946: static int
1947: termp_ap_pre(DECL_ARGS)
1948: {
1949:
1950: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1951: term_word(p, "'");
1.1 kristaps 1952: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1953: return 1;
1.1 kristaps 1954: }
1955:
1956: static void
1957: termp____post(DECL_ARGS)
1958: {
1.104 schwarze 1959:
1960: /*
1961: * Handle lists of authors. In general, print each followed by
1962: * a comma. Don't print the comma if there are only two
1963: * authors.
1964: */
1965: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1966: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1967: if (NULL == n->prev || MDOC__A != n->prev->tok)
1968: return;
1.1 kristaps 1969:
1.62 schwarze 1970: /* TODO: %U. */
1971:
1.106 schwarze 1972: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1973: return;
1974:
1.132 schwarze 1975: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1976: if (NULL == n->next) {
1977: term_word(p, ".");
1978: p->flags |= TERMP_SENTENCE;
1979: } else
1980: term_word(p, ",");
1.1 kristaps 1981: }
1982:
1983: static int
1.65 schwarze 1984: termp_li_pre(DECL_ARGS)
1985: {
1986:
1.234 schwarze 1987: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1988: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1989: return 1;
1.65 schwarze 1990: }
1991:
1992: static int
1.1 kristaps 1993: termp_lk_pre(DECL_ARGS)
1994: {
1.214 schwarze 1995: const struct roff_node *link, *descr;
1.247 schwarze 1996: int display;
1.1 kristaps 1997:
1.248 schwarze 1998: if ((link = n->child) == NULL)
1.227 schwarze 1999: return 0;
1.101 schwarze 2000:
1.248 schwarze 2001: /* Link text. */
2002: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2003: term_fontpush(p, TERMFONT_UNDER);
1.248 schwarze 2004: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 2005: term_word(p, descr->string);
2006: descr = descr->next;
2007: }
1.246 schwarze 2008: term_fontpop(p);
1.142 schwarze 2009: p->flags |= TERMP_NOSPACE;
2010: term_word(p, ":");
2011: }
1.1 kristaps 2012:
1.248 schwarze 2013: /* Link target. */
1.247 schwarze 2014: display = term_strlen(p, link->string) >= 26;
2015: if (display) {
2016: term_newln(p);
2017: p->offset += term_len(p, p->defindent + 1);
2018: }
1.65 schwarze 2019: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2020: term_word(p, link->string);
1.65 schwarze 2021: term_fontpop(p);
1.247 schwarze 2022:
1.248 schwarze 2023: /* Trailing punctuation. */
2024: while (descr != NULL) {
2025: p->flags |= TERMP_NOSPACE;
2026: term_word(p, descr->string);
2027: descr = descr->next;
2028: }
1.247 schwarze 2029: if (display)
2030: term_newln(p);
1.227 schwarze 2031: return 0;
1.1 kristaps 2032: }
2033:
1.90 schwarze 2034: static int
2035: termp_bk_pre(DECL_ARGS)
2036: {
2037:
1.91 schwarze 2038: switch (n->type) {
1.213 schwarze 2039: case ROFFT_BLOCK:
1.95 schwarze 2040: break;
1.213 schwarze 2041: case ROFFT_HEAD:
1.227 schwarze 2042: return 0;
1.213 schwarze 2043: case ROFFT_BODY:
1.230 schwarze 2044: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2045: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2046: break;
1.91 schwarze 2047: default:
2048: abort();
2049: }
1.95 schwarze 2050:
1.227 schwarze 2051: return 1;
1.90 schwarze 2052: }
2053:
2054: static void
2055: termp_bk_post(DECL_ARGS)
2056: {
2057:
1.213 schwarze 2058: if (n->type == ROFFT_BODY)
1.91 schwarze 2059: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2060: }
1.120 schwarze 2061:
2062: static void
2063: termp__t_post(DECL_ARGS)
2064: {
2065:
2066: /*
2067: * If we're in an `Rs' and there's a journal present, then quote
2068: * us instead of underlining us (for disambiguation).
2069: */
1.121 schwarze 2070: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2071: n->parent->norm->Rs.quote_T)
1.147 schwarze 2072: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2073:
1.147 schwarze 2074: termp____post(p, pair, meta, n);
1.120 schwarze 2075: }
2076:
2077: static int
2078: termp__t_pre(DECL_ARGS)
2079: {
2080:
2081: /*
2082: * If we're in an `Rs' and there's a journal present, then quote
2083: * us instead of underlining us (for disambiguation).
2084: */
1.121 schwarze 2085: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2086: n->parent->norm->Rs.quote_T)
1.227 schwarze 2087: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2088:
2089: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2090: return 1;
1.121 schwarze 2091: }
1.1 kristaps 2092:
2093: static int
1.54 schwarze 2094: termp_under_pre(DECL_ARGS)
1.1 kristaps 2095: {
2096:
1.65 schwarze 2097: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2098: return 1;
2099: }
2100:
2101: static int
2102: termp_em_pre(DECL_ARGS)
2103: {
2104: if (n->child != NULL &&
2105: n->child->type == ROFFT_TEXT)
2106: tag_put(n->child->string, 0, p->line);
2107: term_fontpush(p, TERMFONT_UNDER);
2108: return 1;
2109: }
2110:
2111: static int
2112: termp_sy_pre(DECL_ARGS)
2113: {
2114: if (n->child != NULL &&
2115: n->child->type == ROFFT_TEXT)
2116: tag_put(n->child->string, 0, p->line);
2117: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2118: return 1;
1.222 schwarze 2119: }
2120:
2121: static int
2122: termp_er_pre(DECL_ARGS)
2123: {
2124:
2125: if (n->sec == SEC_ERRORS &&
2126: (n->parent->tok == MDOC_It ||
2127: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2128: n->parent->parent->parent->tok == MDOC_It)))
2129: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2130: return 1;
1.219 schwarze 2131: }
2132:
2133: static int
2134: termp_tag_pre(DECL_ARGS)
2135: {
2136:
2137: if (n->child != NULL &&
2138: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2139: (n->prev == NULL ||
2140: (n->prev->type == ROFFT_TEXT &&
2141: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2142: (n->parent->tok == MDOC_It ||
2143: (n->parent->tok == MDOC_Xo &&
2144: n->parent->parent->prev == NULL &&
1.223 schwarze 2145: n->parent->parent->parent->tok == MDOC_It)))
2146: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2147: return 1;
1.1 kristaps 2148: }
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