Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.257
1.257 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.256 2017/05/09 14:09:37 schwarze Exp $ */
1.1 kristaps 2: /*
1.122 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.238 schwarze 4: * Copyright (c) 2010, 2012-2017 Ingo Schwarze <schwarze@openbsd.org>
1.158 schwarze 5: * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.213 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.213 schwarze 13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
19: #include <sys/types.h>
20:
21: #include <assert.h>
22: #include <ctype.h>
1.201 schwarze 23: #include <limits.h>
1.77 schwarze 24: #include <stdint.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.213 schwarze 29: #include "mandoc_aux.h"
1.81 schwarze 30: #include "mandoc.h"
1.213 schwarze 31: #include "roff.h"
32: #include "mdoc.h"
1.61 schwarze 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.219 schwarze 35: #include "tag.h"
1.61 schwarze 36: #include "main.h"
1.54 schwarze 37:
1.1 kristaps 38: struct termpair {
39: struct termpair *ppair;
1.27 schwarze 40: int count;
1.1 kristaps 41: };
42:
1.29 schwarze 43: #define DECL_ARGS struct termp *p, \
44: struct termpair *pair, \
1.215 schwarze 45: const struct roff_meta *meta, \
1.214 schwarze 46: struct roff_node *n
1.1 kristaps 47:
48: struct termact {
49: int (*pre)(DECL_ARGS);
50: void (*post)(DECL_ARGS);
51: };
1.29 schwarze 52:
1.201 schwarze 53: static int a2width(const struct termp *, const char *);
1.62 schwarze 54:
55: static void print_bvspace(struct termp *,
1.214 schwarze 56: const struct roff_node *,
57: const struct roff_node *);
1.166 schwarze 58: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 59: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 60: static void print_mdoc_head(struct termp *, const struct roff_meta *);
61: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.166 schwarze 62: static void synopsis_pre(struct termp *,
1.214 schwarze 63: const struct roff_node *);
1.62 schwarze 64:
1.29 schwarze 65: static void termp____post(DECL_ARGS);
1.120 schwarze 66: static void termp__t_post(DECL_ARGS);
1.29 schwarze 67: static void termp_bd_post(DECL_ARGS);
1.90 schwarze 68: static void termp_bk_post(DECL_ARGS);
1.29 schwarze 69: static void termp_bl_post(DECL_ARGS);
1.205 schwarze 70: static void termp_eo_post(DECL_ARGS);
1.143 schwarze 71: static void termp_fd_post(DECL_ARGS);
1.29 schwarze 72: static void termp_fo_post(DECL_ARGS);
73: static void termp_in_post(DECL_ARGS);
74: static void termp_it_post(DECL_ARGS);
75: static void termp_lb_post(DECL_ARGS);
1.94 schwarze 76: static void termp_nm_post(DECL_ARGS);
1.29 schwarze 77: static void termp_pf_post(DECL_ARGS);
1.107 schwarze 78: static void termp_quote_post(DECL_ARGS);
1.29 schwarze 79: static void termp_sh_post(DECL_ARGS);
80: static void termp_ss_post(DECL_ARGS);
1.238 schwarze 81: static void termp_xx_post(DECL_ARGS);
1.29 schwarze 82:
1.104 schwarze 83: static int termp__a_pre(DECL_ARGS);
1.120 schwarze 84: static int termp__t_pre(DECL_ARGS);
1.49 schwarze 85: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 86: static int termp_ap_pre(DECL_ARGS);
87: static int termp_bd_pre(DECL_ARGS);
88: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 89: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 90: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 91: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 92: static int termp_cd_pre(DECL_ARGS);
93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.233 schwarze 95: static int termp_em_pre(DECL_ARGS);
1.222 schwarze 96: static int termp_er_pre(DECL_ARGS);
1.29 schwarze 97: static int termp_ex_pre(DECL_ARGS);
98: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 99: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 100: static int termp_fl_pre(DECL_ARGS);
101: static int termp_fn_pre(DECL_ARGS);
102: static int termp_fo_pre(DECL_ARGS);
103: static int termp_ft_pre(DECL_ARGS);
104: static int termp_in_pre(DECL_ARGS);
105: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 106: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 107: static int termp_lk_pre(DECL_ARGS);
108: static int termp_nd_pre(DECL_ARGS);
109: static int termp_nm_pre(DECL_ARGS);
110: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 111: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 112: static int termp_rs_pre(DECL_ARGS);
113: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 114: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_sm_pre(DECL_ARGS);
1.254 schwarze 116: static int termp_pp_pre(DECL_ARGS);
1.29 schwarze 117: static int termp_ss_pre(DECL_ARGS);
1.233 schwarze 118: static int termp_sy_pre(DECL_ARGS);
1.219 schwarze 119: static int termp_tag_pre(DECL_ARGS);
1.54 schwarze 120: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 121: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 122: static int termp_xr_pre(DECL_ARGS);
123: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 124:
1.249 schwarze 125: static const struct termact __termacts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 126: { NULL, NULL }, /* Dd */
127: { NULL, NULL }, /* Dt */
128: { NULL, NULL }, /* Os */
129: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 130: { termp_ss_pre, termp_ss_post }, /* Ss */
1.254 schwarze 131: { termp_pp_pre, NULL }, /* Pp */
1.143 schwarze 132: { termp_d1_pre, termp_bl_post }, /* D1 */
133: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 134: { termp_bd_pre, termp_bd_post }, /* Bd */
135: { NULL, NULL }, /* Ed */
1.73 schwarze 136: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 137: { NULL, NULL }, /* El */
138: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 139: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 140: { termp_an_pre, NULL }, /* An */
1.249 schwarze 141: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 142: { termp_under_pre, NULL }, /* Ar */
1.1 kristaps 143: { termp_cd_pre, NULL }, /* Cd */
1.54 schwarze 144: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 145: { termp_li_pre, NULL }, /* Dv */
1.222 schwarze 146: { termp_er_pre, NULL }, /* Er */
1.219 schwarze 147: { termp_tag_pre, NULL }, /* Ev */
1.1 kristaps 148: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 149: { termp_fa_pre, NULL }, /* Fa */
150: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 151: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 152: { termp_fn_pre, NULL }, /* Fn */
153: { termp_ft_pre, NULL }, /* Ft */
154: { termp_bold_pre, NULL }, /* Ic */
155: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 156: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 157: { termp_nd_pre, NULL }, /* Nd */
158: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 159: { termp_quote_pre, termp_quote_post }, /* Op */
1.170 schwarze 160: { termp_ft_pre, NULL }, /* Ot */
1.54 schwarze 161: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 162: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 163: { NULL, NULL }, /* St */
1.54 schwarze 164: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 165: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 166: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 167: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 168: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 169: { NULL, termp____post }, /* %D */
1.58 schwarze 170: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 171: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 172: { NULL, termp____post }, /* %N */
173: { NULL, termp____post }, /* %O */
174: { NULL, termp____post }, /* %P */
175: { NULL, termp____post }, /* %R */
1.120 schwarze 176: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 177: { NULL, termp____post }, /* %V */
178: { NULL, NULL }, /* Ac */
1.107 schwarze 179: { termp_quote_pre, termp_quote_post }, /* Ao */
180: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 181: { NULL, NULL }, /* At */
1.1 kristaps 182: { NULL, NULL }, /* Bc */
1.166 schwarze 183: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 184: { termp_quote_pre, termp_quote_post }, /* Bo */
185: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 186: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 187: { NULL, NULL }, /* Bx */
1.193 schwarze 188: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 189: { NULL, NULL }, /* Dc */
1.107 schwarze 190: { termp_quote_pre, termp_quote_post }, /* Do */
191: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 192: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 193: { NULL, NULL }, /* Ef */
1.233 schwarze 194: { termp_em_pre, NULL }, /* Em */
1.205 schwarze 195: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 196: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 197: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 198: { termp_li_pre, NULL }, /* No */
1.1 kristaps 199: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 200: { termp_xx_pre, termp_xx_post }, /* Nx */
201: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 202: { NULL, NULL }, /* Pc */
1.156 schwarze 203: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 204: { termp_quote_pre, termp_quote_post }, /* Po */
205: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 206: { NULL, NULL }, /* Qc */
1.107 schwarze 207: { termp_quote_pre, termp_quote_post }, /* Ql */
208: { termp_quote_pre, termp_quote_post }, /* Qo */
209: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 210: { NULL, NULL }, /* Re */
211: { termp_rs_pre, NULL }, /* Rs */
212: { NULL, NULL }, /* Sc */
1.107 schwarze 213: { termp_quote_pre, termp_quote_post }, /* So */
214: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 215: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 216: { termp_under_pre, NULL }, /* Sx */
1.233 schwarze 217: { termp_sy_pre, NULL }, /* Sy */
1.1 kristaps 218: { NULL, NULL }, /* Tn */
1.238 schwarze 219: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 220: { NULL, NULL }, /* Xc */
221: { NULL, NULL }, /* Xo */
1.166 schwarze 222: { termp_fo_pre, termp_fo_post }, /* Fo */
223: { NULL, NULL }, /* Fc */
1.107 schwarze 224: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 225: { NULL, NULL }, /* Oc */
1.90 schwarze 226: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 227: { NULL, NULL }, /* Ek */
1.240 schwarze 228: { NULL, NULL }, /* Bt */
1.1 kristaps 229: { NULL, NULL }, /* Hf */
1.170 schwarze 230: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 231: { NULL, NULL }, /* Ud */
1.32 schwarze 232: { NULL, termp_lb_post }, /* Lb */
1.254 schwarze 233: { termp_pp_pre, NULL }, /* Lp */
1.166 schwarze 234: { termp_lk_pre, NULL }, /* Lk */
235: { termp_under_pre, NULL }, /* Mt */
236: { termp_quote_pre, termp_quote_post }, /* Brq */
237: { termp_quote_pre, termp_quote_post }, /* Bro */
238: { NULL, NULL }, /* Brc */
239: { NULL, termp____post }, /* %C */
1.193 schwarze 240: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 241: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 242: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 243: { NULL, termp____post }, /* %Q */
244: { NULL, termp____post }, /* %U */
245: { NULL, NULL }, /* Ta */
1.1 kristaps 246: };
1.249 schwarze 247: static const struct termact *const termacts = __termacts - MDOC_Dd;
1.1 kristaps 248:
1.221 schwarze 249: static int fn_prio;
1.1 kristaps 250:
1.249 schwarze 251:
1.55 schwarze 252: void
1.217 schwarze 253: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1 kristaps 254: {
1.214 schwarze 255: struct roff_node *n;
1.61 schwarze 256: struct termp *p;
1.241 schwarze 257: size_t save_defindent;
1.61 schwarze 258:
259: p = (struct termp *)arg;
1.71 schwarze 260: p->overstep = 0;
1.180 schwarze 261: p->rmargin = p->maxrmargin = p->defrmargin;
1.255 schwarze 262: term_tab_set(p, NULL);
263: term_tab_set(p, "T");
264: term_tab_set(p, ".5i");
1.55 schwarze 265:
1.218 schwarze 266: n = mdoc->first->child;
1.180 schwarze 267: if (p->synopsisonly) {
268: while (n != NULL) {
269: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
270: if (n->child->next->child != NULL)
271: print_mdoc_nodelist(p, NULL,
1.218 schwarze 272: &mdoc->meta,
273: n->child->next->child);
1.180 schwarze 274: term_newln(p);
275: break;
276: }
277: n = n->next;
278: }
279: } else {
1.241 schwarze 280: save_defindent = p->defindent;
1.180 schwarze 281: if (p->defindent == 0)
282: p->defindent = 5;
1.218 schwarze 283: term_begin(p, print_mdoc_head, print_mdoc_foot,
284: &mdoc->meta);
1.236 schwarze 285: while (n != NULL && n->flags & NODE_NOPRT)
286: n = n->next;
1.180 schwarze 287: if (n != NULL) {
288: if (n->tok != MDOC_Sh)
289: term_vspace(p);
1.218 schwarze 290: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 291: }
292: term_end(p);
1.241 schwarze 293: p->defindent = save_defindent;
1.173 schwarze 294: }
1.1 kristaps 295: }
296:
297: static void
1.65 schwarze 298: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 299: {
300:
1.203 schwarze 301: while (n != NULL) {
302: print_mdoc_node(p, pair, meta, n);
303: n = n->next;
304: }
1.1 kristaps 305: }
306:
307: static void
1.65 schwarze 308: print_mdoc_node(DECL_ARGS)
1.1 kristaps 309: {
1.65 schwarze 310: int chld;
1.1 kristaps 311: struct termpair npair;
1.28 schwarze 312: size_t offset, rmargin;
1.1 kristaps 313:
1.236 schwarze 314: if (n->flags & NODE_NOPRT)
315: return;
316:
1.54 schwarze 317: chld = 1;
1.28 schwarze 318: offset = p->offset;
319: rmargin = p->rmargin;
1.237 schwarze 320: n->flags &= ~NODE_ENDED;
1.204 schwarze 321: n->prev_font = p->fonti;
1.1 kristaps 322:
1.63 schwarze 323: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 324: npair.ppair = pair;
1.65 schwarze 325:
1.95 schwarze 326: /*
327: * Keeps only work until the end of a line. If a keep was
328: * invoked in a prior line, revert it to PREKEEP.
329: */
330:
1.237 schwarze 331: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 332: p->flags &= ~TERMP_KEEP;
333: p->flags |= TERMP_PREKEEP;
1.95 schwarze 334: }
1.116 schwarze 335:
336: /*
1.128 schwarze 337: * After the keep flags have been set up, we may now
338: * produce output. Note that some pre-handlers do so.
339: */
340:
341: switch (n->type) {
1.213 schwarze 342: case ROFFT_TEXT:
1.256 schwarze 343: if (*n->string == ' ' && n->flags & NODE_LINE &&
344: (p->flags & TERMP_NONEWLINE) == 0)
1.128 schwarze 345: term_newln(p);
1.237 schwarze 346: if (NODE_DELIMC & n->flags)
1.132 schwarze 347: p->flags |= TERMP_NOSPACE;
1.128 schwarze 348: term_word(p, n->string);
1.237 schwarze 349: if (NODE_DELIMO & n->flags)
1.132 schwarze 350: p->flags |= TERMP_NOSPACE;
1.128 schwarze 351: break;
1.213 schwarze 352: case ROFFT_EQN:
1.237 schwarze 353: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 354: p->flags |= TERMP_NOSPACE;
1.135 schwarze 355: term_eqn(p, n->eqn);
1.237 schwarze 356: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 357: p->flags |= TERMP_NOSPACE;
1.131 schwarze 358: break;
1.213 schwarze 359: case ROFFT_TBL:
1.212 schwarze 360: if (p->tbl.cols == NULL)
361: term_newln(p);
1.128 schwarze 362: term_tbl(p, n->span);
363: break;
364: default:
1.250 schwarze 365: if (n->tok < ROFF_MAX) {
1.251 schwarze 366: roff_term_pre(p, n);
1.253 schwarze 367: return;
1.250 schwarze 368: }
369: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 370: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 371: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 372: chld = (*termacts[n->tok].pre)
1.147 schwarze 373: (p, &npair, meta, n);
1.128 schwarze 374: break;
375: }
1.95 schwarze 376:
1.60 schwarze 377: if (chld && n->child)
1.147 schwarze 378: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 379:
1.146 schwarze 380: term_fontpopq(p,
1.209 schwarze 381: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 382:
1.122 schwarze 383: switch (n->type) {
1.213 schwarze 384: case ROFFT_TEXT:
1.122 schwarze 385: break;
1.213 schwarze 386: case ROFFT_TBL:
1.131 schwarze 387: break;
1.213 schwarze 388: case ROFFT_EQN:
1.122 schwarze 389: break;
390: default:
1.253 schwarze 391: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 392: break;
1.147 schwarze 393: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 394:
395: /*
396: * Explicit end tokens not only call the post
397: * handler, but also tell the respective block
398: * that it must not call the post handler again.
399: */
1.95 schwarze 400: if (ENDBODY_NOT != n->end)
1.237 schwarze 401: n->body->flags |= NODE_ENDED;
1.122 schwarze 402: break;
1.93 schwarze 403: }
1.28 schwarze 404:
1.237 schwarze 405: if (NODE_EOS & n->flags)
1.78 schwarze 406: p->flags |= TERMP_SENTENCE;
407:
1.253 schwarze 408: p->offset = offset;
409: p->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:
1.7 schwarze 429: p->offset = 0;
1.191 schwarze 430: sz = term_strlen(p, meta->date);
431: p->rmargin = p->maxrmargin > sz ?
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:
1.7 schwarze 439: p->offset = p->rmargin;
1.191 schwarze 440: sz = term_strlen(p, meta->os);
441: p->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:
1.1 kristaps 447: p->offset = p->rmargin;
448: p->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:
456: p->offset = 0;
457: p->rmargin = p->maxrmargin;
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;
1.1 kristaps 497: p->offset = 0;
1.169 schwarze 498: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
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;
1.1 kristaps 506: p->offset = p->rmargin;
1.169 schwarze 507: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 508: 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;
1.137 schwarze 515: if (p->rmargin + titlen <= p->maxrmargin) {
516: p->flags |= TERMP_NOSPACE;
517: p->offset = p->rmargin;
518: p->rmargin = p->maxrmargin;
519: term_word(p, title);
520: term_flushln(p);
521: }
1.1 kristaps 522:
1.137 schwarze 523: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 524: p->offset = 0;
1.1 kristaps 525: p->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);
1.201 schwarze 650: if (offset < 0 && (size_t)(-offset) > p->offset)
651: offset = -p->offset;
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);
1.201 schwarze 715: if (width < 0 && (size_t)(-width) > p->offset)
716: width = -p->offset;
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:
1.144 schwarze 765: /*
766: * Weird special case.
1.201 schwarze 767: * Some very narrow lists actually hang.
1.144 schwarze 768: */
1.201 schwarze 769: if (width <= (int)term_len(p, 2))
770: p->flags |= TERMP_HANG;
1.213 schwarze 771: if (n->type != ROFFT_HEAD)
1.152 schwarze 772: break;
773: p->flags |= TERMP_NOBREAK;
774: p->trailspace = 1;
1.33 schwarze 775: break;
1.166 schwarze 776: case LIST_hang:
1.213 schwarze 777: if (n->type != ROFFT_HEAD)
1.47 schwarze 778: break;
779:
780: /*
781: * This is ugly. If `-hang' is specified and the body
782: * is a `Bl' or `Bd', then we want basically to nullify
783: * the "overstep" effect in term_flushln() and treat
784: * this as a `-ohang' list instead.
785: */
1.178 schwarze 786: if (NULL != n->next &&
787: NULL != n->next->child &&
1.166 schwarze 788: (MDOC_Bl == n->next->child->tok ||
789: MDOC_Bd == n->next->child->tok))
1.152 schwarze 790: break;
791:
1.165 schwarze 792: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 793: p->trailspace = 1;
1.33 schwarze 794: break;
1.166 schwarze 795: case LIST_tag:
1.213 schwarze 796: if (n->type != ROFFT_HEAD)
1.33 schwarze 797: break;
1.152 schwarze 798:
1.225 schwarze 799: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 800: p->trailspace = 2;
801:
1.60 schwarze 802: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 803: p->flags |= TERMP_DANGLE;
1.1 kristaps 804: break;
1.166 schwarze 805: case LIST_column:
1.213 schwarze 806: if (n->type == ROFFT_HEAD)
1.85 schwarze 807: break;
808:
1.152 schwarze 809: if (NULL == n->next) {
1.85 schwarze 810: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 811: p->trailspace = 0;
812: } else {
1.85 schwarze 813: p->flags |= TERMP_NOBREAK;
1.152 schwarze 814: p->trailspace = 1;
815: }
1.85 schwarze 816:
1.1 kristaps 817: break;
1.166 schwarze 818: case LIST_diag:
1.213 schwarze 819: if (n->type != ROFFT_HEAD)
1.152 schwarze 820: break;
1.165 schwarze 821: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 822: p->trailspace = 1;
1.1 kristaps 823: break;
824: default:
825: break;
826: }
827:
1.166 schwarze 828: /*
1.1 kristaps 829: * Margin control. Set-head-width lists have their right
830: * margins shortened. The body for these lists has the offset
831: * necessarily lengthened. Everybody gets the offset.
832: */
833:
834: p->offset += offset;
835:
836: switch (type) {
1.166 schwarze 837: case LIST_hang:
1.47 schwarze 838: /*
839: * Same stipulation as above, regarding `-hang'. We
840: * don't want to recalculate rmargin and offsets when
841: * using `Bd' or `Bl' within `-hang' overstep lists.
842: */
1.213 schwarze 843: if (n->type == ROFFT_HEAD &&
1.178 schwarze 844: NULL != n->next &&
845: NULL != n->next->child &&
1.166 schwarze 846: (MDOC_Bl == n->next->child->tok ||
847: MDOC_Bd == n->next->child->tok))
1.47 schwarze 848: break;
849: /* FALLTHROUGH */
1.166 schwarze 850: case LIST_bullet:
851: case LIST_dash:
852: case LIST_enum:
853: case LIST_hyphen:
854: case LIST_tag:
1.213 schwarze 855: if (n->type == ROFFT_HEAD)
1.1 kristaps 856: p->rmargin = p->offset + width;
1.191 schwarze 857: else
1.1 kristaps 858: p->offset += width;
859: break;
1.166 schwarze 860: case LIST_column:
1.41 schwarze 861: assert(width);
1.1 kristaps 862: p->rmargin = p->offset + width;
1.166 schwarze 863: /*
1.43 schwarze 864: * XXX - this behaviour is not documented: the
865: * right-most column is filled to the right margin.
866: */
1.213 schwarze 867: if (n->type == ROFFT_HEAD)
1.85 schwarze 868: break;
869: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 870: p->rmargin = p->maxrmargin;
1.1 kristaps 871: break;
872: default:
873: break;
874: }
875:
1.166 schwarze 876: /*
1.1 kristaps 877: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 878: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 879: */
880:
1.213 schwarze 881: if (n->type == ROFFT_HEAD)
1.1 kristaps 882: switch (type) {
1.166 schwarze 883: case LIST_bullet:
1.65 schwarze 884: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 885: term_word(p, "\\[bu]");
1.65 schwarze 886: term_fontpop(p);
1.1 kristaps 887: break;
1.166 schwarze 888: case LIST_dash:
889: case LIST_hyphen:
1.65 schwarze 890: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 891: term_word(p, "-");
1.65 schwarze 892: term_fontpop(p);
1.1 kristaps 893: break;
1.166 schwarze 894: case LIST_enum:
1.1 kristaps 895: (pair->ppair->ppair->count)++;
1.167 schwarze 896: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 897: pair->ppair->ppair->count);
1.1 kristaps 898: term_word(p, buf);
899: break;
900: default:
901: break;
902: }
1.12 schwarze 903:
1.166 schwarze 904: /*
1.1 kristaps 905: * If we're not going to process our children, indicate so here.
906: */
907:
908: switch (type) {
1.166 schwarze 909: case LIST_bullet:
910: case LIST_item:
911: case LIST_dash:
912: case LIST_hyphen:
913: case LIST_enum:
1.213 schwarze 914: if (n->type == ROFFT_HEAD)
1.227 schwarze 915: return 0;
1.1 kristaps 916: break;
1.166 schwarze 917: case LIST_column:
1.213 schwarze 918: if (n->type == ROFFT_HEAD)
1.227 schwarze 919: return 0;
1.1 kristaps 920: break;
921: default:
922: break;
923: }
924:
1.227 schwarze 925: return 1;
1.1 kristaps 926: }
927:
928: static void
929: termp_it_post(DECL_ARGS)
930: {
1.82 schwarze 931: enum mdoc_list type;
1.1 kristaps 932:
1.213 schwarze 933: if (n->type == ROFFT_BLOCK)
1.1 kristaps 934: return;
935:
1.121 schwarze 936: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 937:
938: switch (type) {
1.166 schwarze 939: case LIST_item:
940: case LIST_diag:
941: case LIST_inset:
1.213 schwarze 942: if (n->type == ROFFT_BODY)
1.74 schwarze 943: term_newln(p);
1.1 kristaps 944: break;
1.166 schwarze 945: case LIST_column:
1.213 schwarze 946: if (n->type == ROFFT_BODY)
1.1 kristaps 947: term_flushln(p);
948: break;
949: default:
1.74 schwarze 950: term_newln(p);
1.1 kristaps 951: break;
952: }
953:
1.166 schwarze 954: /*
1.68 schwarze 955: * Now that our output is flushed, we can reset our tags. Since
956: * only `It' sets these flags, we're free to assume that nobody
957: * has munged them in the meanwhile.
958: */
959:
1.225 schwarze 960: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 961: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 962: p->trailspace = 0;
1.1 kristaps 963: }
964:
965: static int
966: termp_nm_pre(DECL_ARGS)
967: {
1.195 schwarze 968: const char *cp;
1.1 kristaps 969:
1.213 schwarze 970: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 971: p->flags |= TERMP_PREKEEP;
1.227 schwarze 972: return 1;
1.155 schwarze 973: }
1.94 schwarze 974:
1.213 schwarze 975: if (n->type == ROFFT_BODY) {
1.94 schwarze 976: if (NULL == n->child)
1.227 schwarze 977: return 0;
1.136 schwarze 978: p->flags |= TERMP_NOSPACE;
1.195 schwarze 979: cp = NULL;
980: if (n->prev->child != NULL)
981: cp = n->prev->child->string;
982: if (cp == NULL)
983: cp = meta->name;
984: if (cp == NULL)
985: p->offset += term_len(p, 6);
986: else
987: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 988: return 1;
1.94 schwarze 989: }
990:
1.242 schwarze 991: if (n->child == NULL)
1.227 schwarze 992: return 0;
1.81 schwarze 993:
1.213 schwarze 994: if (n->type == ROFFT_HEAD)
1.97 schwarze 995: synopsis_pre(p, n->parent);
1.65 schwarze 996:
1.213 schwarze 997: if (n->type == ROFFT_HEAD &&
1.178 schwarze 998: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 999: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 1000: p->trailspace = 1;
1.105 schwarze 1001: p->rmargin = p->offset + term_len(p, 1);
1002: if (NULL == n->child) {
1.147 schwarze 1003: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1004: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1005: p->rmargin += term_strlen(p, n->child->string);
1006: if (n->child->next)
1007: p->flags |= TERMP_HANG;
1008: } else {
1009: p->rmargin += term_len(p, 5);
1010: p->flags |= TERMP_HANG;
1011: }
1.94 schwarze 1012: }
1013:
1.65 schwarze 1014: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1015: return 1;
1.1 kristaps 1016: }
1017:
1.94 schwarze 1018: static void
1019: termp_nm_post(DECL_ARGS)
1020: {
1021:
1.213 schwarze 1022: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1023: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1024: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1025: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1026: term_flushln(p);
1.165 schwarze 1027: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1028: p->trailspace = 0;
1.213 schwarze 1029: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1030: term_flushln(p);
1031: }
1032:
1.1 kristaps 1033: static int
1034: termp_fl_pre(DECL_ARGS)
1035: {
1036:
1.219 schwarze 1037: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1038: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1039: term_word(p, "\\-");
1.67 schwarze 1040:
1.230 schwarze 1041: if (!(n->child == NULL &&
1.179 schwarze 1042: (n->next == NULL ||
1.213 schwarze 1043: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1044: n->next->flags & NODE_LINE)))
1.73 schwarze 1045: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1046:
1.227 schwarze 1047: return 1;
1.49 schwarze 1048: }
1049:
1050: static int
1.104 schwarze 1051: termp__a_pre(DECL_ARGS)
1052: {
1053:
1054: if (n->prev && MDOC__A == n->prev->tok)
1055: if (NULL == n->next || MDOC__A != n->next->tok)
1056: term_word(p, "and");
1057:
1.227 schwarze 1058: return 1;
1.104 schwarze 1059: }
1060:
1061: static int
1.49 schwarze 1062: termp_an_pre(DECL_ARGS)
1063: {
1064:
1.181 schwarze 1065: if (n->norm->An.auth == AUTH_split) {
1066: p->flags &= ~TERMP_NOSPLIT;
1067: p->flags |= TERMP_SPLIT;
1.227 schwarze 1068: return 0;
1.181 schwarze 1069: }
1070: if (n->norm->An.auth == AUTH_nosplit) {
1071: p->flags &= ~TERMP_SPLIT;
1072: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1073: return 0;
1.181 schwarze 1074: }
1.166 schwarze 1075:
1.181 schwarze 1076: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1077: term_newln(p);
1078:
1.181 schwarze 1079: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1080: p->flags |= TERMP_SPLIT;
1.49 schwarze 1081:
1.227 schwarze 1082: return 1;
1.1 kristaps 1083: }
1084:
1085: static int
1086: termp_ns_pre(DECL_ARGS)
1087: {
1088:
1.237 schwarze 1089: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1090: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1091: return 1;
1.1 kristaps 1092: }
1093:
1094: static int
1095: termp_rs_pre(DECL_ARGS)
1096: {
1097:
1.60 schwarze 1098: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1099: return 1;
1.213 schwarze 1100: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1101: term_vspace(p);
1.227 schwarze 1102: return 1;
1.1 kristaps 1103: }
1104:
1105: static int
1106: termp_ex_pre(DECL_ARGS)
1107: {
1.132 schwarze 1108: term_newln(p);
1.240 schwarze 1109: return 1;
1.1 kristaps 1110: }
1111:
1112: static int
1113: termp_nd_pre(DECL_ARGS)
1114: {
1.25 schwarze 1115:
1.213 schwarze 1116: if (n->type == ROFFT_BODY)
1.196 schwarze 1117: term_word(p, "\\(en");
1.227 schwarze 1118: return 1;
1.1 kristaps 1119: }
1120:
1.73 schwarze 1121: static int
1122: termp_bl_pre(DECL_ARGS)
1123: {
1124:
1.227 schwarze 1125: return n->type != ROFFT_HEAD;
1.73 schwarze 1126: }
1127:
1.1 kristaps 1128: static void
1129: termp_bl_post(DECL_ARGS)
1130: {
1131:
1.255 schwarze 1132: if (n->type != ROFFT_BLOCK)
1133: return;
1134: term_newln(p);
1135: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1136: return;
1137: term_tab_set(p, NULL);
1138: term_tab_set(p, "T");
1139: term_tab_set(p, ".5i");
1.1 kristaps 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);
1.255 schwarze 1282: term_tab_set(p, NULL);
1283: term_tab_set(p, "T");
1284: term_tab_set(p, ".5i");
1.221 schwarze 1285: switch (n->sec) {
1286: case SEC_DESCRIPTION:
1287: fn_prio = 0;
1288: break;
1289: case SEC_AUTHORS:
1.141 schwarze 1290: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1291: break;
1292: default:
1293: break;
1294: }
1.1 kristaps 1295: break;
1296: default:
1297: break;
1298: }
1.227 schwarze 1299: return 1;
1.1 kristaps 1300: }
1301:
1302: static void
1303: termp_sh_post(DECL_ARGS)
1304: {
1305:
1.60 schwarze 1306: switch (n->type) {
1.213 schwarze 1307: case ROFFT_HEAD:
1.1 kristaps 1308: term_newln(p);
1309: break;
1.213 schwarze 1310: case ROFFT_BODY:
1.1 kristaps 1311: term_newln(p);
1312: p->offset = 0;
1313: break;
1314: default:
1315: break;
1316: }
1317: }
1318:
1319: static void
1320: termp_lb_post(DECL_ARGS)
1321: {
1322:
1.237 schwarze 1323: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1324: term_newln(p);
1.1 kristaps 1325: }
1326:
1327: static int
1328: termp_d1_pre(DECL_ARGS)
1329: {
1330:
1.213 schwarze 1331: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1332: return 1;
1.1 kristaps 1333: term_newln(p);
1.140 schwarze 1334: p->offset += term_len(p, p->defindent + 1);
1.255 schwarze 1335: term_tab_set(p, NULL);
1336: term_tab_set(p, "T");
1337: term_tab_set(p, ".5i");
1.227 schwarze 1338: return 1;
1.1 kristaps 1339: }
1340:
1341: static int
1342: termp_ft_pre(DECL_ARGS)
1343: {
1344:
1.237 schwarze 1345: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1346: synopsis_pre(p, n);
1.65 schwarze 1347: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1348: return 1;
1.1 kristaps 1349: }
1350:
1351: static int
1352: termp_fn_pre(DECL_ARGS)
1353: {
1.159 schwarze 1354: size_t rmargin = 0;
1.132 schwarze 1355: int pretty;
1356:
1.237 schwarze 1357: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1358:
1.86 schwarze 1359: synopsis_pre(p, n);
1.85 schwarze 1360:
1.132 schwarze 1361: if (NULL == (n = n->child))
1.227 schwarze 1362: return 0;
1.132 schwarze 1363:
1.153 schwarze 1364: if (pretty) {
1365: rmargin = p->rmargin;
1.159 schwarze 1366: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1367: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1368: }
1369:
1.213 schwarze 1370: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1371: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1372: term_word(p, n->string);
1.65 schwarze 1373: term_fontpop(p);
1.1 kristaps 1374:
1.235 schwarze 1375: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1376: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1377:
1.153 schwarze 1378: if (pretty) {
1379: term_flushln(p);
1.165 schwarze 1380: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1381: p->offset = p->rmargin;
1382: p->rmargin = rmargin;
1383: }
1384:
1.1 kristaps 1385: p->flags |= TERMP_NOSPACE;
1386: term_word(p, "(");
1.132 schwarze 1387: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1388:
1.132 schwarze 1389: for (n = n->next; n; n = n->next) {
1.213 schwarze 1390: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1391: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1392: if (pretty)
1393: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1394: term_word(p, n->string);
1.65 schwarze 1395: term_fontpop(p);
1396:
1.132 schwarze 1397: if (n->next) {
1398: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1399: term_word(p, ",");
1.132 schwarze 1400: }
1.1 kristaps 1401: }
1402:
1.132 schwarze 1403: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1404: term_word(p, ")");
1405:
1.132 schwarze 1406: if (pretty) {
1407: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1408: term_word(p, ";");
1.153 schwarze 1409: term_flushln(p);
1.132 schwarze 1410: }
1.1 kristaps 1411:
1.227 schwarze 1412: return 0;
1.1 kristaps 1413: }
1414:
1415: static int
1416: termp_fa_pre(DECL_ARGS)
1417: {
1.214 schwarze 1418: const struct roff_node *nn;
1.1 kristaps 1419:
1.60 schwarze 1420: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1421: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1422: return 1;
1.1 kristaps 1423: }
1424:
1.60 schwarze 1425: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1426: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1427: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1428: term_word(p, nn->string);
1.65 schwarze 1429: term_fontpop(p);
1430:
1.158 schwarze 1431: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1432: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1433: term_word(p, ",");
1.132 schwarze 1434: }
1.1 kristaps 1435: }
1436:
1.227 schwarze 1437: return 0;
1.1 kristaps 1438: }
1439:
1440: static int
1441: termp_bd_pre(DECL_ARGS)
1442: {
1.255 schwarze 1443: size_t lm, len, rm, rmax;
1.214 schwarze 1444: struct roff_node *nn;
1.201 schwarze 1445: int offset;
1.1 kristaps 1446:
1.213 schwarze 1447: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1448: print_bvspace(p, n, n);
1.227 schwarze 1449: return 1;
1.213 schwarze 1450: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1451: return 0;
1.1 kristaps 1452:
1.187 schwarze 1453: /* Handle the -offset argument. */
1454:
1455: if (n->norm->Bd.offs == NULL ||
1456: ! strcmp(n->norm->Bd.offs, "left"))
1457: /* nothing */;
1458: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1459: p->offset += term_len(p, p->defindent + 1);
1460: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1461: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1462: else {
1463: offset = a2width(p, n->norm->Bd.offs);
1464: if (offset < 0 && (size_t)(-offset) > p->offset)
1465: p->offset = 0;
1466: else if (offset < SHRT_MAX)
1467: p->offset += offset;
1468: }
1.60 schwarze 1469:
1470: /*
1471: * If -ragged or -filled are specified, the block does nothing
1472: * but change the indentation. If -unfilled or -literal are
1473: * specified, text is printed exactly as entered in the display:
1474: * for macro lines, a newline is appended to the line. Blank
1475: * lines are allowed.
1476: */
1.166 schwarze 1477:
1478: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1479: DISP_unfilled != n->norm->Bd.type &&
1480: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1481: return 1;
1.1 kristaps 1482:
1.255 schwarze 1483: if (n->norm->Bd.type == DISP_literal) {
1484: term_tab_set(p, NULL);
1485: term_tab_set(p, "T");
1486: term_tab_set(p, "8n");
1487: }
1.123 schwarze 1488:
1.174 schwarze 1489: lm = p->offset;
1.77 schwarze 1490: rm = p->rmargin;
1491: rmax = p->maxrmargin;
1492: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1493:
1.60 schwarze 1494: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1495: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1496: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1497: len = term_strlen(p, nn->string);
1498: p->offset = len >= rm ? 0 :
1499: lm + len >= rm ? rm - len :
1500: (lm + rm - len) / 2;
1501: } else
1502: p->offset = lm;
1503: }
1.147 schwarze 1504: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1505: /*
1506: * If the printed node flushes its own line, then we
1507: * needn't do it here as well. This is hacky, but the
1508: * notion of selective eoln whitespace is pretty dumb
1509: * anyway, so don't sweat it.
1510: */
1.255 schwarze 1511: if (nn->tok < ROFF_MAX)
1512: continue;
1.108 schwarze 1513: switch (nn->tok) {
1.166 schwarze 1514: case MDOC_Sm:
1515: case MDOC_Bl:
1516: case MDOC_D1:
1517: case MDOC_Dl:
1518: case MDOC_Lp:
1519: case MDOC_Pp:
1.108 schwarze 1520: continue;
1521: default:
1522: break;
1523: }
1.198 schwarze 1524: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1525: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1526: continue;
1527: term_flushln(p);
1.48 schwarze 1528: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1529: }
1.88 schwarze 1530:
1.77 schwarze 1531: p->rmargin = rm;
1532: p->maxrmargin = rmax;
1.227 schwarze 1533: return 0;
1.1 kristaps 1534: }
1535:
1536: static void
1537: termp_bd_post(DECL_ARGS)
1538: {
1.77 schwarze 1539: size_t rm, rmax;
1.1 kristaps 1540:
1.213 schwarze 1541: if (n->type != ROFFT_BODY)
1.1 kristaps 1542: return;
1.77 schwarze 1543:
1544: rm = p->rmargin;
1545: rmax = p->maxrmargin;
1546:
1.166 schwarze 1547: if (DISP_literal == n->norm->Bd.type ||
1548: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1549: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1550:
1.48 schwarze 1551: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1552: term_newln(p);
1.77 schwarze 1553:
1554: p->rmargin = rm;
1555: p->maxrmargin = rmax;
1.1 kristaps 1556: }
1557:
1558: static int
1.26 schwarze 1559: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1560: {
1.238 schwarze 1561: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1562: p->flags |= TERMP_PREKEEP;
1563: return 1;
1564: }
1.1 kristaps 1565:
1.238 schwarze 1566: static void
1567: termp_xx_post(DECL_ARGS)
1568: {
1569: if (n->aux == 0)
1570: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1571: }
1572:
1573: static void
1574: termp_pf_post(DECL_ARGS)
1575: {
1576:
1.237 schwarze 1577: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1578: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1579: }
1580:
1581: static int
1582: termp_ss_pre(DECL_ARGS)
1583: {
1.236 schwarze 1584: struct roff_node *nn;
1.1 kristaps 1585:
1.60 schwarze 1586: switch (n->type) {
1.213 schwarze 1587: case ROFFT_BLOCK:
1.1 kristaps 1588: term_newln(p);
1.236 schwarze 1589: for (nn = n->prev; nn != NULL; nn = nn->prev)
1590: if ((nn->flags & NODE_NOPRT) == 0)
1591: break;
1592: if (nn != NULL)
1.1 kristaps 1593: term_vspace(p);
1594: break;
1.213 schwarze 1595: case ROFFT_HEAD:
1.65 schwarze 1596: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1597: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1598: break;
1.213 schwarze 1599: case ROFFT_BODY:
1.176 schwarze 1600: p->offset = term_len(p, p->defindent);
1.255 schwarze 1601: term_tab_set(p, NULL);
1602: term_tab_set(p, "T");
1603: term_tab_set(p, ".5i");
1.176 schwarze 1604: break;
1.1 kristaps 1605: default:
1606: break;
1607: }
1608:
1.227 schwarze 1609: return 1;
1.1 kristaps 1610: }
1611:
1612: static void
1613: termp_ss_post(DECL_ARGS)
1614: {
1615:
1.213 schwarze 1616: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1617: term_newln(p);
1618: }
1619:
1620: static int
1621: termp_cd_pre(DECL_ARGS)
1622: {
1623:
1.86 schwarze 1624: synopsis_pre(p, n);
1.65 schwarze 1625: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1626: return 1;
1.1 kristaps 1627: }
1628:
1629: static int
1630: termp_in_pre(DECL_ARGS)
1631: {
1632:
1.86 schwarze 1633: synopsis_pre(p, n);
1.85 schwarze 1634:
1.237 schwarze 1635: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1636: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1637: term_word(p, "#include");
1.85 schwarze 1638: term_word(p, "<");
1639: } else {
1640: term_word(p, "<");
1641: term_fontpush(p, TERMFONT_UNDER);
1642: }
1.23 schwarze 1643:
1.1 kristaps 1644: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1645: return 1;
1.1 kristaps 1646: }
1647:
1648: static void
1649: termp_in_post(DECL_ARGS)
1650: {
1651:
1.237 schwarze 1652: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1653: term_fontpush(p, TERMFONT_BOLD);
1654:
1.59 schwarze 1655: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1656: term_word(p, ">");
1657:
1.237 schwarze 1658: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1659: term_fontpop(p);
1.38 schwarze 1660: }
1661:
1662: static int
1.254 schwarze 1663: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1664: {
1.254 schwarze 1665: fn_prio = 0;
1666: term_vspace(p);
1.227 schwarze 1667: return 0;
1.38 schwarze 1668: }
1669:
1670: static int
1.193 schwarze 1671: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1672: {
1673:
1.227 schwarze 1674: return 0;
1.170 schwarze 1675: }
1676:
1677: static int
1.107 schwarze 1678: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1679: {
1680:
1.213 schwarze 1681: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1682: return 1;
1.1 kristaps 1683:
1.107 schwarze 1684: switch (n->tok) {
1.166 schwarze 1685: case MDOC_Ao:
1686: case MDOC_Aq:
1.230 schwarze 1687: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1688: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1689: break;
1.166 schwarze 1690: case MDOC_Bro:
1691: case MDOC_Brq:
1.107 schwarze 1692: term_word(p, "{");
1693: break;
1.166 schwarze 1694: case MDOC_Oo:
1695: case MDOC_Op:
1696: case MDOC_Bo:
1697: case MDOC_Bq:
1.107 schwarze 1698: term_word(p, "[");
1699: break;
1.245 schwarze 1700: case MDOC__T:
1701: /* FALLTHROUGH */
1.166 schwarze 1702: case MDOC_Do:
1703: case MDOC_Dq:
1.210 schwarze 1704: term_word(p, "\\(Lq");
1.107 schwarze 1705: break;
1.170 schwarze 1706: case MDOC_En:
1707: if (NULL == n->norm->Es ||
1708: NULL == n->norm->Es->child)
1.227 schwarze 1709: return 1;
1.170 schwarze 1710: term_word(p, n->norm->Es->child->string);
1711: break;
1.166 schwarze 1712: case MDOC_Po:
1713: case MDOC_Pq:
1.107 schwarze 1714: term_word(p, "(");
1715: break;
1.166 schwarze 1716: case MDOC_Qo:
1717: case MDOC_Qq:
1.107 schwarze 1718: term_word(p, "\"");
1719: break;
1.166 schwarze 1720: case MDOC_Ql:
1721: case MDOC_So:
1722: case MDOC_Sq:
1.151 schwarze 1723: term_word(p, "\\(oq");
1.107 schwarze 1724: break;
1725: default:
1726: abort();
1727: }
1.1 kristaps 1728:
1729: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1730: return 1;
1.1 kristaps 1731: }
1732:
1733: static void
1.107 schwarze 1734: termp_quote_post(DECL_ARGS)
1.1 kristaps 1735: {
1736:
1.213 schwarze 1737: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1738: return;
1739:
1.205 schwarze 1740: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1741:
1.107 schwarze 1742: switch (n->tok) {
1.166 schwarze 1743: case MDOC_Ao:
1744: case MDOC_Aq:
1.230 schwarze 1745: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1746: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1747: break;
1.166 schwarze 1748: case MDOC_Bro:
1749: case MDOC_Brq:
1.107 schwarze 1750: term_word(p, "}");
1751: break;
1.166 schwarze 1752: case MDOC_Oo:
1753: case MDOC_Op:
1754: case MDOC_Bo:
1755: case MDOC_Bq:
1.107 schwarze 1756: term_word(p, "]");
1757: break;
1.245 schwarze 1758: case MDOC__T:
1759: /* FALLTHROUGH */
1.166 schwarze 1760: case MDOC_Do:
1761: case MDOC_Dq:
1.210 schwarze 1762: term_word(p, "\\(Rq");
1.170 schwarze 1763: break;
1764: case MDOC_En:
1.205 schwarze 1765: if (n->norm->Es == NULL ||
1766: n->norm->Es->child == NULL ||
1767: n->norm->Es->child->next == NULL)
1768: p->flags &= ~TERMP_NOSPACE;
1769: else
1.170 schwarze 1770: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1771: break;
1.166 schwarze 1772: case MDOC_Po:
1773: case MDOC_Pq:
1.107 schwarze 1774: term_word(p, ")");
1775: break;
1.166 schwarze 1776: case MDOC_Qo:
1777: case MDOC_Qq:
1.107 schwarze 1778: term_word(p, "\"");
1779: break;
1.166 schwarze 1780: case MDOC_Ql:
1781: case MDOC_So:
1782: case MDOC_Sq:
1.151 schwarze 1783: term_word(p, "\\(cq");
1.107 schwarze 1784: break;
1785: default:
1786: abort();
1787: }
1.205 schwarze 1788: }
1789:
1790: static int
1791: termp_eo_pre(DECL_ARGS)
1792: {
1793:
1.213 schwarze 1794: if (n->type != ROFFT_BODY)
1.227 schwarze 1795: return 1;
1.205 schwarze 1796:
1797: if (n->end == ENDBODY_NOT &&
1798: n->parent->head->child == NULL &&
1799: n->child != NULL &&
1800: n->child->end != ENDBODY_NOT)
1801: term_word(p, "\\&");
1802: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1803: n->parent->head->child != NULL && (n->child != NULL ||
1804: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1805: p->flags |= TERMP_NOSPACE;
1806:
1.227 schwarze 1807: return 1;
1.205 schwarze 1808: }
1809:
1810: static void
1811: termp_eo_post(DECL_ARGS)
1812: {
1813: int body, tail;
1814:
1.213 schwarze 1815: if (n->type != ROFFT_BODY)
1.205 schwarze 1816: return;
1817:
1818: if (n->end != ENDBODY_NOT) {
1819: p->flags &= ~TERMP_NOSPACE;
1820: return;
1821: }
1822:
1823: body = n->child != NULL || n->parent->head->child != NULL;
1824: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1825:
1826: if (body && tail)
1827: p->flags |= TERMP_NOSPACE;
1828: else if ( ! (body || tail))
1829: term_word(p, "\\&");
1830: else if ( ! tail)
1831: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1832: }
1833:
1834: static int
1835: termp_fo_pre(DECL_ARGS)
1836: {
1.159 schwarze 1837: size_t rmargin = 0;
1.158 schwarze 1838: int pretty;
1839:
1.237 schwarze 1840: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1841:
1.213 schwarze 1842: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1843: synopsis_pre(p, n);
1.227 schwarze 1844: return 1;
1.213 schwarze 1845: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1846: if (pretty) {
1847: rmargin = p->rmargin;
1.159 schwarze 1848: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1849: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1850: TERMP_HANG;
1.158 schwarze 1851: }
1.31 schwarze 1852: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1853: term_word(p, "(");
1.132 schwarze 1854: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1855: if (pretty) {
1856: term_flushln(p);
1.165 schwarze 1857: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1858: TERMP_HANG);
1.158 schwarze 1859: p->offset = p->rmargin;
1860: p->rmargin = rmargin;
1861: }
1.227 schwarze 1862: return 1;
1.158 schwarze 1863: }
1.85 schwarze 1864:
1.95 schwarze 1865: if (NULL == n->child)
1.227 schwarze 1866: return 0;
1.95 schwarze 1867:
1.85 schwarze 1868: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1869:
1.85 schwarze 1870: assert(n->child->string);
1.65 schwarze 1871: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1872: term_word(p, n->child->string);
1.227 schwarze 1873: return 0;
1.1 kristaps 1874: }
1875:
1876: static void
1877: termp_fo_post(DECL_ARGS)
1878: {
1879:
1.213 schwarze 1880: if (n->type != ROFFT_BODY)
1.86 schwarze 1881: return;
1882:
1.132 schwarze 1883: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1884: term_word(p, ")");
1885:
1.237 schwarze 1886: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1887: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1888: term_word(p, ";");
1.158 schwarze 1889: term_flushln(p);
1.132 schwarze 1890: }
1.1 kristaps 1891: }
1892:
1893: static int
1894: termp_bf_pre(DECL_ARGS)
1895: {
1896:
1.213 schwarze 1897: if (n->type == ROFFT_HEAD)
1.227 schwarze 1898: return 0;
1.213 schwarze 1899: else if (n->type != ROFFT_BODY)
1.227 schwarze 1900: return 1;
1.1 kristaps 1901:
1.166 schwarze 1902: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1903: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1904: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1905: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1906: else
1.65 schwarze 1907: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1908:
1.227 schwarze 1909: return 1;
1.1 kristaps 1910: }
1911:
1912: static int
1913: termp_sm_pre(DECL_ARGS)
1914: {
1915:
1.171 schwarze 1916: if (NULL == n->child)
1917: p->flags ^= TERMP_NONOSPACE;
1918: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1919: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1920: else
1.1 kristaps 1921: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1922:
1923: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1924: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1925:
1.227 schwarze 1926: return 0;
1.1 kristaps 1927: }
1928:
1929: static int
1930: termp_ap_pre(DECL_ARGS)
1931: {
1932:
1933: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1934: term_word(p, "'");
1.1 kristaps 1935: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1936: return 1;
1.1 kristaps 1937: }
1938:
1939: static void
1940: termp____post(DECL_ARGS)
1941: {
1.104 schwarze 1942:
1943: /*
1944: * Handle lists of authors. In general, print each followed by
1945: * a comma. Don't print the comma if there are only two
1946: * authors.
1947: */
1948: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1949: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1950: if (NULL == n->prev || MDOC__A != n->prev->tok)
1951: return;
1.1 kristaps 1952:
1.62 schwarze 1953: /* TODO: %U. */
1954:
1.106 schwarze 1955: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1956: return;
1957:
1.132 schwarze 1958: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1959: if (NULL == n->next) {
1960: term_word(p, ".");
1961: p->flags |= TERMP_SENTENCE;
1962: } else
1963: term_word(p, ",");
1.1 kristaps 1964: }
1965:
1966: static int
1.65 schwarze 1967: termp_li_pre(DECL_ARGS)
1968: {
1969:
1.234 schwarze 1970: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1971: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1972: return 1;
1.65 schwarze 1973: }
1974:
1975: static int
1.1 kristaps 1976: termp_lk_pre(DECL_ARGS)
1977: {
1.257 ! schwarze 1978: const struct roff_node *link, *descr, *punct;
1.247 schwarze 1979: int display;
1.1 kristaps 1980:
1.248 schwarze 1981: if ((link = n->child) == NULL)
1.227 schwarze 1982: return 0;
1.101 schwarze 1983:
1.257 ! schwarze 1984: /* Find beginning of trailing punctuation. */
! 1985: punct = n->last;
! 1986: while (punct != link && punct->flags & NODE_DELIMC)
! 1987: punct = punct->prev;
! 1988: punct = punct->next;
! 1989:
1.248 schwarze 1990: /* Link text. */
1.257 ! schwarze 1991: if ((descr = link->next) != NULL && descr != punct) {
1.142 schwarze 1992: term_fontpush(p, TERMFONT_UNDER);
1.257 ! schwarze 1993: while (descr != punct) {
! 1994: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
! 1995: p->flags |= TERMP_NOSPACE;
1.142 schwarze 1996: term_word(p, descr->string);
1997: descr = descr->next;
1998: }
1.246 schwarze 1999: term_fontpop(p);
1.142 schwarze 2000: p->flags |= TERMP_NOSPACE;
2001: term_word(p, ":");
2002: }
1.1 kristaps 2003:
1.248 schwarze 2004: /* Link target. */
1.247 schwarze 2005: display = term_strlen(p, link->string) >= 26;
2006: if (display) {
2007: term_newln(p);
2008: p->offset += term_len(p, p->defindent + 1);
2009: }
1.65 schwarze 2010: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 2011: term_word(p, link->string);
1.65 schwarze 2012: term_fontpop(p);
1.247 schwarze 2013:
1.248 schwarze 2014: /* Trailing punctuation. */
1.257 ! schwarze 2015: while (punct != NULL) {
1.248 schwarze 2016: p->flags |= TERMP_NOSPACE;
1.257 ! schwarze 2017: term_word(p, punct->string);
! 2018: punct = punct->next;
1.248 schwarze 2019: }
1.247 schwarze 2020: if (display)
2021: term_newln(p);
1.227 schwarze 2022: return 0;
1.1 kristaps 2023: }
2024:
1.90 schwarze 2025: static int
2026: termp_bk_pre(DECL_ARGS)
2027: {
2028:
1.91 schwarze 2029: switch (n->type) {
1.213 schwarze 2030: case ROFFT_BLOCK:
1.95 schwarze 2031: break;
1.213 schwarze 2032: case ROFFT_HEAD:
1.227 schwarze 2033: return 0;
1.213 schwarze 2034: case ROFFT_BODY:
1.230 schwarze 2035: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2036: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2037: break;
1.91 schwarze 2038: default:
2039: abort();
2040: }
1.95 schwarze 2041:
1.227 schwarze 2042: return 1;
1.90 schwarze 2043: }
2044:
2045: static void
2046: termp_bk_post(DECL_ARGS)
2047: {
2048:
1.213 schwarze 2049: if (n->type == ROFFT_BODY)
1.91 schwarze 2050: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2051: }
1.120 schwarze 2052:
2053: static void
2054: termp__t_post(DECL_ARGS)
2055: {
2056:
2057: /*
2058: * If we're in an `Rs' and there's a journal present, then quote
2059: * us instead of underlining us (for disambiguation).
2060: */
1.121 schwarze 2061: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2062: n->parent->norm->Rs.quote_T)
1.147 schwarze 2063: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2064:
1.147 schwarze 2065: termp____post(p, pair, meta, n);
1.120 schwarze 2066: }
2067:
2068: static int
2069: termp__t_pre(DECL_ARGS)
2070: {
2071:
2072: /*
2073: * If we're in an `Rs' and there's a journal present, then quote
2074: * us instead of underlining us (for disambiguation).
2075: */
1.121 schwarze 2076: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2077: n->parent->norm->Rs.quote_T)
1.227 schwarze 2078: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2079:
2080: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2081: return 1;
1.121 schwarze 2082: }
1.1 kristaps 2083:
2084: static int
1.54 schwarze 2085: termp_under_pre(DECL_ARGS)
1.1 kristaps 2086: {
2087:
1.65 schwarze 2088: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2089: return 1;
2090: }
2091:
2092: static int
2093: termp_em_pre(DECL_ARGS)
2094: {
2095: if (n->child != NULL &&
2096: n->child->type == ROFFT_TEXT)
2097: tag_put(n->child->string, 0, p->line);
2098: term_fontpush(p, TERMFONT_UNDER);
2099: return 1;
2100: }
2101:
2102: static int
2103: termp_sy_pre(DECL_ARGS)
2104: {
2105: if (n->child != NULL &&
2106: n->child->type == ROFFT_TEXT)
2107: tag_put(n->child->string, 0, p->line);
2108: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2109: return 1;
1.222 schwarze 2110: }
2111:
2112: static int
2113: termp_er_pre(DECL_ARGS)
2114: {
2115:
2116: if (n->sec == SEC_ERRORS &&
2117: (n->parent->tok == MDOC_It ||
2118: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2119: n->parent->parent->parent->tok == MDOC_It)))
2120: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2121: return 1;
1.219 schwarze 2122: }
2123:
2124: static int
2125: termp_tag_pre(DECL_ARGS)
2126: {
2127:
2128: if (n->child != NULL &&
2129: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2130: (n->prev == NULL ||
2131: (n->prev->type == ROFFT_TEXT &&
2132: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2133: (n->parent->tok == MDOC_It ||
2134: (n->parent->tok == MDOC_Xo &&
2135: n->parent->parent->prev == NULL &&
1.223 schwarze 2136: n->parent->parent->parent->tok == MDOC_It)))
2137: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2138: return 1;
1.1 kristaps 2139: }
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