Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.280
1.280 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.279 2020/04/06 09:55:49 schwarze Exp $ */
1.1 kristaps 2: /*
1.280 ! schwarze 3: * Copyright (c) 2010, 2012-2020, 2022 Ingo Schwarze <schwarze@openbsd.org>
1.122 schwarze 4: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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.
1.278 schwarze 18: *
19: * Plain text formatter for mdoc(7), used by mandoc(1)
20: * for ASCII, UTF-8, PostScript, and PDF output.
1.1 kristaps 21: */
22: #include <sys/types.h>
23:
24: #include <assert.h>
25: #include <ctype.h>
1.201 schwarze 26: #include <limits.h>
1.77 schwarze 27: #include <stdint.h>
1.1 kristaps 28: #include <stdio.h>
29: #include <stdlib.h>
30: #include <string.h>
31:
1.213 schwarze 32: #include "mandoc_aux.h"
33: #include "roff.h"
34: #include "mdoc.h"
1.61 schwarze 35: #include "out.h"
1.1 kristaps 36: #include "term.h"
1.278 schwarze 37: #include "term_tag.h"
1.61 schwarze 38: #include "main.h"
1.54 schwarze 39:
1.1 kristaps 40: struct termpair {
41: struct termpair *ppair;
1.27 schwarze 42: int count;
1.1 kristaps 43: };
44:
1.29 schwarze 45: #define DECL_ARGS struct termp *p, \
46: struct termpair *pair, \
1.215 schwarze 47: const struct roff_meta *meta, \
1.214 schwarze 48: struct roff_node *n
1.1 kristaps 49:
1.267 schwarze 50: struct mdoc_term_act {
1.1 kristaps 51: int (*pre)(DECL_ARGS);
52: void (*post)(DECL_ARGS);
53: };
1.29 schwarze 54:
1.201 schwarze 55: static int a2width(const struct termp *, const char *);
1.62 schwarze 56:
57: static void print_bvspace(struct termp *,
1.276 schwarze 58: struct roff_node *, struct roff_node *);
1.166 schwarze 59: static void print_mdoc_node(DECL_ARGS);
1.65 schwarze 60: static void print_mdoc_nodelist(DECL_ARGS);
1.215 schwarze 61: static void print_mdoc_head(struct termp *, const struct roff_meta *);
62: static void print_mdoc_foot(struct termp *, const struct roff_meta *);
1.276 schwarze 63: static void synopsis_pre(struct termp *, 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);
1.268 schwarze 85: static int termp_abort_pre(DECL_ARGS);
1.49 schwarze 86: static int termp_an_pre(DECL_ARGS);
1.29 schwarze 87: static int termp_ap_pre(DECL_ARGS);
88: static int termp_bd_pre(DECL_ARGS);
89: static int termp_bf_pre(DECL_ARGS);
1.90 schwarze 90: static int termp_bk_pre(DECL_ARGS);
1.73 schwarze 91: static int termp_bl_pre(DECL_ARGS);
1.54 schwarze 92: static int termp_bold_pre(DECL_ARGS);
1.29 schwarze 93: static int termp_d1_pre(DECL_ARGS);
1.205 schwarze 94: static int termp_eo_pre(DECL_ARGS);
1.29 schwarze 95: static int termp_ex_pre(DECL_ARGS);
96: static int termp_fa_pre(DECL_ARGS);
1.107 schwarze 97: static int termp_fd_pre(DECL_ARGS);
1.29 schwarze 98: static int termp_fl_pre(DECL_ARGS);
99: static int termp_fn_pre(DECL_ARGS);
100: static int termp_fo_pre(DECL_ARGS);
101: static int termp_ft_pre(DECL_ARGS);
102: static int termp_in_pre(DECL_ARGS);
103: static int termp_it_pre(DECL_ARGS);
1.65 schwarze 104: static int termp_li_pre(DECL_ARGS);
1.29 schwarze 105: static int termp_lk_pre(DECL_ARGS);
106: static int termp_nd_pre(DECL_ARGS);
107: static int termp_nm_pre(DECL_ARGS);
108: static int termp_ns_pre(DECL_ARGS);
1.107 schwarze 109: static int termp_quote_pre(DECL_ARGS);
1.29 schwarze 110: static int termp_rs_pre(DECL_ARGS);
111: static int termp_sh_pre(DECL_ARGS);
1.193 schwarze 112: static int termp_skip_pre(DECL_ARGS);
1.29 schwarze 113: static int termp_sm_pre(DECL_ARGS);
1.254 schwarze 114: static int termp_pp_pre(DECL_ARGS);
1.29 schwarze 115: static int termp_ss_pre(DECL_ARGS);
1.54 schwarze 116: static int termp_under_pre(DECL_ARGS);
1.69 schwarze 117: static int termp_vt_pre(DECL_ARGS);
1.29 schwarze 118: static int termp_xr_pre(DECL_ARGS);
119: static int termp_xx_pre(DECL_ARGS);
1.1 kristaps 120:
1.267 schwarze 121: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1 kristaps 122: { NULL, NULL }, /* Dd */
123: { NULL, NULL }, /* Dt */
124: { NULL, NULL }, /* Os */
125: { termp_sh_pre, termp_sh_post }, /* Sh */
1.166 schwarze 126: { termp_ss_pre, termp_ss_post }, /* Ss */
1.254 schwarze 127: { termp_pp_pre, NULL }, /* Pp */
1.143 schwarze 128: { termp_d1_pre, termp_bl_post }, /* D1 */
129: { termp_d1_pre, termp_bl_post }, /* Dl */
1.1 kristaps 130: { termp_bd_pre, termp_bd_post }, /* Bd */
131: { NULL, NULL }, /* Ed */
1.73 schwarze 132: { termp_bl_pre, termp_bl_post }, /* Bl */
1.1 kristaps 133: { NULL, NULL }, /* El */
134: { termp_it_pre, termp_it_post }, /* It */
1.166 schwarze 135: { termp_under_pre, NULL }, /* Ad */
1.181 schwarze 136: { termp_an_pre, NULL }, /* An */
1.249 schwarze 137: { termp_ap_pre, NULL }, /* Ap */
1.54 schwarze 138: { termp_under_pre, NULL }, /* Ar */
1.278 schwarze 139: { termp_fd_pre, NULL }, /* Cd */
1.54 schwarze 140: { termp_bold_pre, NULL }, /* Cm */
1.224 schwarze 141: { termp_li_pre, NULL }, /* Dv */
1.278 schwarze 142: { NULL, NULL }, /* Er */
143: { NULL, NULL }, /* Ev */
1.1 kristaps 144: { termp_ex_pre, NULL }, /* Ex */
1.166 schwarze 145: { termp_fa_pre, NULL }, /* Fa */
146: { termp_fd_pre, termp_fd_post }, /* Fd */
1.1 kristaps 147: { termp_fl_pre, NULL }, /* Fl */
1.166 schwarze 148: { termp_fn_pre, NULL }, /* Fn */
149: { termp_ft_pre, NULL }, /* Ft */
150: { termp_bold_pre, NULL }, /* Ic */
151: { termp_in_pre, termp_in_post }, /* In */
1.65 schwarze 152: { termp_li_pre, NULL }, /* Li */
1.166 schwarze 153: { termp_nd_pre, NULL }, /* Nd */
154: { termp_nm_pre, termp_nm_post }, /* Nm */
1.107 schwarze 155: { termp_quote_pre, termp_quote_post }, /* Op */
1.268 schwarze 156: { termp_abort_pre, NULL }, /* Ot */
1.54 schwarze 157: { termp_under_pre, NULL }, /* Pa */
1.240 schwarze 158: { termp_ex_pre, NULL }, /* Rv */
1.166 schwarze 159: { NULL, NULL }, /* St */
1.54 schwarze 160: { termp_under_pre, NULL }, /* Va */
1.86 schwarze 161: { termp_vt_pre, NULL }, /* Vt */
1.1 kristaps 162: { termp_xr_pre, NULL }, /* Xr */
1.104 schwarze 163: { termp__a_pre, termp____post }, /* %A */
1.58 schwarze 164: { termp_under_pre, termp____post }, /* %B */
1.1 kristaps 165: { NULL, termp____post }, /* %D */
1.58 schwarze 166: { termp_under_pre, termp____post }, /* %I */
1.54 schwarze 167: { termp_under_pre, termp____post }, /* %J */
1.1 kristaps 168: { NULL, termp____post }, /* %N */
169: { NULL, termp____post }, /* %O */
170: { NULL, termp____post }, /* %P */
171: { NULL, termp____post }, /* %R */
1.120 schwarze 172: { termp__t_pre, termp__t_post }, /* %T */
1.1 kristaps 173: { NULL, termp____post }, /* %V */
174: { NULL, NULL }, /* Ac */
1.107 schwarze 175: { termp_quote_pre, termp_quote_post }, /* Ao */
176: { termp_quote_pre, termp_quote_post }, /* Aq */
1.32 schwarze 177: { NULL, NULL }, /* At */
1.1 kristaps 178: { NULL, NULL }, /* Bc */
1.166 schwarze 179: { termp_bf_pre, NULL }, /* Bf */
1.107 schwarze 180: { termp_quote_pre, termp_quote_post }, /* Bo */
181: { termp_quote_pre, termp_quote_post }, /* Bq */
1.238 schwarze 182: { termp_xx_pre, termp_xx_post }, /* Bsx */
1.239 schwarze 183: { NULL, NULL }, /* Bx */
1.193 schwarze 184: { termp_skip_pre, NULL }, /* Db */
1.1 kristaps 185: { NULL, NULL }, /* Dc */
1.107 schwarze 186: { termp_quote_pre, termp_quote_post }, /* Do */
187: { termp_quote_pre, termp_quote_post }, /* Dq */
1.73 schwarze 188: { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1 kristaps 189: { NULL, NULL }, /* Ef */
1.278 schwarze 190: { termp_under_pre, NULL }, /* Em */
1.205 schwarze 191: { termp_eo_pre, termp_eo_post }, /* Eo */
1.238 schwarze 192: { termp_xx_pre, termp_xx_post }, /* Fx */
1.98 schwarze 193: { termp_bold_pre, NULL }, /* Ms */
1.189 schwarze 194: { termp_li_pre, NULL }, /* No */
1.1 kristaps 195: { termp_ns_pre, NULL }, /* Ns */
1.238 schwarze 196: { termp_xx_pre, termp_xx_post }, /* Nx */
197: { termp_xx_pre, termp_xx_post }, /* Ox */
1.1 kristaps 198: { NULL, NULL }, /* Pc */
1.156 schwarze 199: { NULL, termp_pf_post }, /* Pf */
1.107 schwarze 200: { termp_quote_pre, termp_quote_post }, /* Po */
201: { termp_quote_pre, termp_quote_post }, /* Pq */
1.1 kristaps 202: { NULL, NULL }, /* Qc */
1.107 schwarze 203: { termp_quote_pre, termp_quote_post }, /* Ql */
204: { termp_quote_pre, termp_quote_post }, /* Qo */
205: { termp_quote_pre, termp_quote_post }, /* Qq */
1.1 kristaps 206: { NULL, NULL }, /* Re */
207: { termp_rs_pre, NULL }, /* Rs */
208: { NULL, NULL }, /* Sc */
1.107 schwarze 209: { termp_quote_pre, termp_quote_post }, /* So */
210: { termp_quote_pre, termp_quote_post }, /* Sq */
1.1 kristaps 211: { termp_sm_pre, NULL }, /* Sm */
1.54 schwarze 212: { termp_under_pre, NULL }, /* Sx */
1.278 schwarze 213: { termp_bold_pre, NULL }, /* Sy */
1.1 kristaps 214: { NULL, NULL }, /* Tn */
1.238 schwarze 215: { termp_xx_pre, termp_xx_post }, /* Ux */
1.1 kristaps 216: { NULL, NULL }, /* Xc */
217: { NULL, NULL }, /* Xo */
1.166 schwarze 218: { termp_fo_pre, termp_fo_post }, /* Fo */
219: { NULL, NULL }, /* Fc */
1.107 schwarze 220: { termp_quote_pre, termp_quote_post }, /* Oo */
1.1 kristaps 221: { NULL, NULL }, /* Oc */
1.90 schwarze 222: { termp_bk_pre, termp_bk_post }, /* Bk */
1.1 kristaps 223: { NULL, NULL }, /* Ek */
1.240 schwarze 224: { NULL, NULL }, /* Bt */
1.1 kristaps 225: { NULL, NULL }, /* Hf */
1.170 schwarze 226: { termp_under_pre, NULL }, /* Fr */
1.240 schwarze 227: { NULL, NULL }, /* Ud */
1.32 schwarze 228: { NULL, termp_lb_post }, /* Lb */
1.268 schwarze 229: { termp_abort_pre, NULL }, /* Lp */
1.166 schwarze 230: { termp_lk_pre, NULL }, /* Lk */
231: { termp_under_pre, NULL }, /* Mt */
232: { termp_quote_pre, termp_quote_post }, /* Brq */
233: { termp_quote_pre, termp_quote_post }, /* Bro */
234: { NULL, NULL }, /* Brc */
235: { NULL, termp____post }, /* %C */
1.193 schwarze 236: { termp_skip_pre, NULL }, /* Es */
1.170 schwarze 237: { termp_quote_pre, termp_quote_post }, /* En */
1.238 schwarze 238: { termp_xx_pre, termp_xx_post }, /* Dx */
1.166 schwarze 239: { NULL, termp____post }, /* %Q */
240: { NULL, termp____post }, /* %U */
241: { NULL, NULL }, /* Ta */
1.277 schwarze 242: { termp_skip_pre, NULL }, /* Tg */
1.1 kristaps 243: };
244:
1.249 schwarze 245:
1.55 schwarze 246: void
1.270 schwarze 247: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1 kristaps 248: {
1.273 schwarze 249: struct roff_node *n, *nn;
1.61 schwarze 250: struct termp *p;
1.241 schwarze 251: size_t save_defindent;
1.61 schwarze 252:
253: p = (struct termp *)arg;
1.261 schwarze 254: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.255 schwarze 255: term_tab_set(p, NULL);
256: term_tab_set(p, "T");
257: term_tab_set(p, ".5i");
1.55 schwarze 258:
1.218 schwarze 259: n = mdoc->first->child;
1.180 schwarze 260: if (p->synopsisonly) {
1.273 schwarze 261: for (nn = NULL; n != NULL; n = n->next) {
262: if (n->tok != MDOC_Sh)
263: continue;
264: if (n->sec == SEC_SYNOPSIS)
1.180 schwarze 265: break;
1.273 schwarze 266: if (nn == NULL && n->sec == SEC_NAME)
267: nn = n;
1.180 schwarze 268: }
1.273 schwarze 269: if (n == NULL)
270: n = nn;
271: p->flags |= TERMP_NOSPACE;
272: if (n != NULL && (n = n->child->next->child) != NULL)
273: print_mdoc_nodelist(p, NULL, mdoc, n);
274: term_newln(p);
1.180 schwarze 275: } else {
1.241 schwarze 276: save_defindent = p->defindent;
1.180 schwarze 277: if (p->defindent == 0)
278: p->defindent = 5;
1.270 schwarze 279: term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.266 schwarze 280: while (n != NULL &&
281: (n->type == ROFFT_COMMENT ||
282: n->flags & NODE_NOPRT))
1.236 schwarze 283: n = n->next;
1.180 schwarze 284: if (n != NULL) {
285: if (n->tok != MDOC_Sh)
286: term_vspace(p);
1.270 schwarze 287: print_mdoc_nodelist(p, NULL, mdoc, n);
1.180 schwarze 288: }
289: term_end(p);
1.241 schwarze 290: p->defindent = save_defindent;
1.173 schwarze 291: }
1.1 kristaps 292: }
293:
294: static void
1.65 schwarze 295: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 296: {
1.203 schwarze 297: while (n != NULL) {
298: print_mdoc_node(p, pair, meta, n);
299: n = n->next;
300: }
1.1 kristaps 301: }
302:
303: static void
1.65 schwarze 304: print_mdoc_node(DECL_ARGS)
1.1 kristaps 305: {
1.267 schwarze 306: const struct mdoc_term_act *act;
1.1 kristaps 307: struct termpair npair;
1.28 schwarze 308: size_t offset, rmargin;
1.267 schwarze 309: int chld;
1.1 kristaps 310:
1.271 schwarze 311: /*
312: * In no-fill mode, break the output line at the beginning
313: * of new input lines except after \c, and nowhere else.
314: */
315:
316: if (n->flags & NODE_NOFILL) {
317: if (n->flags & NODE_LINE &&
318: (p->flags & TERMP_NONEWLINE) == 0)
319: term_newln(p);
320: p->flags |= TERMP_BRNEVER;
1.280 ! schwarze 321: } else {
! 322: if (n->flags & NODE_LINE)
! 323: term_tab_ref(p);
1.271 schwarze 324: p->flags &= ~TERMP_BRNEVER;
1.280 ! schwarze 325: }
1.271 schwarze 326:
1.266 schwarze 327: if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.236 schwarze 328: return;
329:
1.54 schwarze 330: chld = 1;
1.261 schwarze 331: offset = p->tcol->offset;
332: rmargin = p->tcol->rmargin;
1.237 schwarze 333: n->flags &= ~NODE_ENDED;
1.204 schwarze 334: n->prev_font = p->fonti;
1.1 kristaps 335:
1.63 schwarze 336: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 337: npair.ppair = pair;
1.65 schwarze 338:
1.279 schwarze 339: if (n->flags & NODE_ID && n->tok != MDOC_Pp &&
340: (n->tok != MDOC_It || n->type != ROFFT_BLOCK))
1.278 schwarze 341: term_tag_write(n, p->line);
1.277 schwarze 342:
1.95 schwarze 343: /*
344: * Keeps only work until the end of a line. If a keep was
345: * invoked in a prior line, revert it to PREKEEP.
346: */
347:
1.237 schwarze 348: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 349: p->flags &= ~TERMP_KEEP;
350: p->flags |= TERMP_PREKEEP;
1.95 schwarze 351: }
1.116 schwarze 352:
353: /*
1.128 schwarze 354: * After the keep flags have been set up, we may now
355: * produce output. Note that some pre-handlers do so.
356: */
357:
1.272 schwarze 358: act = NULL;
1.128 schwarze 359: switch (n->type) {
1.213 schwarze 360: case ROFFT_TEXT:
1.271 schwarze 361: if (n->flags & NODE_LINE) {
362: switch (*n->string) {
363: case '\0':
364: if (p->flags & TERMP_NONEWLINE)
365: term_newln(p);
366: else
367: term_vspace(p);
368: return;
369: case ' ':
370: if ((p->flags & TERMP_NONEWLINE) == 0)
371: term_newln(p);
372: break;
373: default:
374: break;
375: }
376: }
1.237 schwarze 377: if (NODE_DELIMC & n->flags)
1.132 schwarze 378: p->flags |= TERMP_NOSPACE;
1.128 schwarze 379: term_word(p, n->string);
1.237 schwarze 380: if (NODE_DELIMO & n->flags)
1.132 schwarze 381: p->flags |= TERMP_NOSPACE;
1.128 schwarze 382: break;
1.213 schwarze 383: case ROFFT_EQN:
1.237 schwarze 384: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 385: p->flags |= TERMP_NOSPACE;
1.135 schwarze 386: term_eqn(p, n->eqn);
1.237 schwarze 387: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 388: p->flags |= TERMP_NOSPACE;
1.131 schwarze 389: break;
1.213 schwarze 390: case ROFFT_TBL:
1.212 schwarze 391: if (p->tbl.cols == NULL)
392: term_newln(p);
1.128 schwarze 393: term_tbl(p, n->span);
394: break;
395: default:
1.250 schwarze 396: if (n->tok < ROFF_MAX) {
1.251 schwarze 397: roff_term_pre(p, n);
1.253 schwarze 398: return;
1.250 schwarze 399: }
400: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.267 schwarze 401: act = mdoc_term_acts + (n->tok - MDOC_Dd);
402: if (act->pre != NULL &&
1.230 schwarze 403: (n->end == ENDBODY_NOT || n->child != NULL))
1.267 schwarze 404: chld = (*act->pre)(p, &npair, meta, n);
1.128 schwarze 405: break;
406: }
1.95 schwarze 407:
1.60 schwarze 408: if (chld && n->child)
1.147 schwarze 409: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 410:
1.146 schwarze 411: term_fontpopq(p,
1.209 schwarze 412: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 413:
1.122 schwarze 414: switch (n->type) {
1.213 schwarze 415: case ROFFT_TEXT:
1.122 schwarze 416: break;
1.213 schwarze 417: case ROFFT_TBL:
1.131 schwarze 418: break;
1.213 schwarze 419: case ROFFT_EQN:
1.122 schwarze 420: break;
421: default:
1.267 schwarze 422: if (act->post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 423: break;
1.267 schwarze 424: (void)(*act->post)(p, &npair, meta, n);
1.93 schwarze 425:
426: /*
427: * Explicit end tokens not only call the post
428: * handler, but also tell the respective block
429: * that it must not call the post handler again.
430: */
1.95 schwarze 431: if (ENDBODY_NOT != n->end)
1.237 schwarze 432: n->body->flags |= NODE_ENDED;
1.122 schwarze 433: break;
1.93 schwarze 434: }
1.28 schwarze 435:
1.237 schwarze 436: if (NODE_EOS & n->flags)
1.78 schwarze 437: p->flags |= TERMP_SENTENCE;
438:
1.258 schwarze 439: if (n->type != ROFFT_TEXT)
1.261 schwarze 440: p->tcol->offset = offset;
441: p->tcol->rmargin = rmargin;
1.1 kristaps 442: }
443:
444: static void
1.215 schwarze 445: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 446: {
1.191 schwarze 447: size_t sz;
1.87 schwarze 448:
1.65 schwarze 449: term_fontrepl(p, TERMFONT_NONE);
450:
1.166 schwarze 451: /*
1.7 schwarze 452: * Output the footer in new-groff style, that is, three columns
453: * with the middle being the manual date and flanking columns
454: * being the operating system:
455: *
456: * SYSTEM DATE SYSTEM
457: */
458:
1.1 kristaps 459: term_vspace(p);
460:
1.261 schwarze 461: p->tcol->offset = 0;
1.191 schwarze 462: sz = term_strlen(p, meta->date);
1.261 schwarze 463: p->tcol->rmargin = p->maxrmargin > sz ?
1.191 schwarze 464: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 465: p->trailspace = 1;
1.1 kristaps 466: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
467:
1.147 schwarze 468: term_word(p, meta->os);
1.1 kristaps 469: term_flushln(p);
470:
1.261 schwarze 471: p->tcol->offset = p->tcol->rmargin;
1.191 schwarze 472: sz = term_strlen(p, meta->os);
1.261 schwarze 473: p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 474: p->flags |= TERMP_NOSPACE;
1.7 schwarze 475:
1.147 schwarze 476: term_word(p, meta->date);
1.7 schwarze 477: term_flushln(p);
478:
1.261 schwarze 479: p->tcol->offset = p->tcol->rmargin;
480: p->tcol->rmargin = p->maxrmargin;
1.152 schwarze 481: p->trailspace = 0;
1.1 kristaps 482: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 483: p->flags |= TERMP_NOSPACE;
1.1 kristaps 484:
1.147 schwarze 485: term_word(p, meta->os);
1.1 kristaps 486: term_flushln(p);
1.7 schwarze 487:
1.261 schwarze 488: p->tcol->offset = 0;
489: p->tcol->rmargin = p->maxrmargin;
1.7 schwarze 490: p->flags = 0;
1.1 kristaps 491: }
492:
493: static void
1.215 schwarze 494: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 495: {
1.169 schwarze 496: char *volume, *title;
497: size_t vollen, titlen;
1.1 kristaps 498:
499: /*
500: * The header is strange. It has three components, which are
501: * really two with the first duplicated. It goes like this:
502: *
503: * IDENTIFIER TITLE IDENTIFIER
504: *
505: * The IDENTIFIER is NAME(SECTION), which is the command-name
506: * (if given, or "unknown" if not) followed by the manual page
507: * section. These are given in `Dt'. The TITLE is a free-form
508: * string depending on the manual volume. If not specified, it
509: * switches on the manual section.
510: */
1.137 schwarze 511:
1.147 schwarze 512: assert(meta->vol);
1.169 schwarze 513: if (NULL == meta->arch)
514: volume = mandoc_strdup(meta->vol);
515: else
516: mandoc_asprintf(&volume, "%s (%s)",
517: meta->vol, meta->arch);
518: vollen = term_strlen(p, volume);
1.1 kristaps 519:
1.177 schwarze 520: if (NULL == meta->msec)
521: title = mandoc_strdup(meta->title);
522: else
523: mandoc_asprintf(&title, "%s(%s)",
524: meta->title, meta->msec);
1.137 schwarze 525: titlen = term_strlen(p, title);
1.1 kristaps 526:
1.137 schwarze 527: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 528: p->trailspace = 1;
1.261 schwarze 529: p->tcol->offset = 0;
530: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.169 schwarze 531: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 532: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 533:
534: term_word(p, title);
535: term_flushln(p);
536:
1.137 schwarze 537: p->flags |= TERMP_NOSPACE;
1.261 schwarze 538: p->tcol->offset = p->tcol->rmargin;
539: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
540: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 541:
1.169 schwarze 542: term_word(p, volume);
1.1 kristaps 543: term_flushln(p);
544:
545: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 546: p->trailspace = 0;
1.261 schwarze 547: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.137 schwarze 548: p->flags |= TERMP_NOSPACE;
1.261 schwarze 549: p->tcol->offset = p->tcol->rmargin;
550: p->tcol->rmargin = p->maxrmargin;
1.137 schwarze 551: term_word(p, title);
552: term_flushln(p);
553: }
1.1 kristaps 554:
1.137 schwarze 555: p->flags &= ~TERMP_NOSPACE;
1.261 schwarze 556: p->tcol->offset = 0;
557: p->tcol->rmargin = p->maxrmargin;
1.168 schwarze 558: free(title);
1.169 schwarze 559: free(volume);
1.1 kristaps 560: }
561:
1.201 schwarze 562: static int
1.89 schwarze 563: a2width(const struct termp *p, const char *v)
1.61 schwarze 564: {
565: struct roffsu su;
1.262 schwarze 566: const char *end;
1.1 kristaps 567:
1.262 schwarze 568: end = a2roffsu(v, &su, SCALE_MAX);
569: if (end == NULL || *end != '\0') {
1.89 schwarze 570: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 571: su.scale /= term_strlen(p, "0");
1.201 schwarze 572: }
1.263 schwarze 573: return term_hen(p, &su);
1.1 kristaps 574: }
575:
1.68 schwarze 576: /*
577: * Determine how much space to print out before block elements of `It'
578: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
579: * too.
580: */
1.45 schwarze 581: static void
1.276 schwarze 582: print_bvspace(struct termp *p, struct roff_node *bl, struct roff_node *n)
1.1 kristaps 583: {
1.276 schwarze 584: struct roff_node *nn;
1.1 kristaps 585:
586: term_newln(p);
1.88 schwarze 587:
1.276 schwarze 588: if ((bl->tok == MDOC_Bd && bl->norm->Bd.comp) ||
589: (bl->tok == MDOC_Bl && bl->norm->Bl.comp))
1.45 schwarze 590: return;
591:
1.60 schwarze 592: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 593:
1.188 schwarze 594: nn = n;
1.276 schwarze 595: while (roff_node_prev(nn) == NULL) {
1.188 schwarze 596: do {
597: nn = nn->parent;
1.213 schwarze 598: if (nn->type == ROFFT_ROOT)
1.188 schwarze 599: return;
1.213 schwarze 600: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 601: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 602: return;
1.188 schwarze 603: if (nn->tok == MDOC_It &&
604: nn->parent->parent->norm->Bl.type != LIST_item)
605: break;
1.1 kristaps 606: }
607:
1.276 schwarze 608: /*
609: * No vertical space after:
610: * items in .Bl -column
611: * items without a body in .Bl -diag
612: */
1.45 schwarze 613:
1.276 schwarze 614: if (bl->tok != MDOC_Bl ||
615: n->prev == NULL || n->prev->tok != MDOC_It ||
616: (bl->norm->Bl.type != LIST_column &&
617: (bl->norm->Bl.type != LIST_diag ||
618: n->prev->body->child != NULL)))
619: term_vspace(p);
1.162 schwarze 620: }
621:
1.1 kristaps 622:
623: static int
624: termp_it_pre(DECL_ARGS)
625: {
1.244 schwarze 626: struct roffsu su;
1.201 schwarze 627: char buf[24];
1.214 schwarze 628: const struct roff_node *bl, *nn;
1.201 schwarze 629: size_t ncols, dcol;
630: int i, offset, width;
1.82 schwarze 631: enum mdoc_list type;
1.1 kristaps 632:
1.213 schwarze 633: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 634: print_bvspace(p, n->parent->parent, n);
1.279 schwarze 635: if (n->flags & NODE_ID)
636: term_tag_write(n, p->line);
1.227 schwarze 637: return 1;
1.45 schwarze 638: }
1.1 kristaps 639:
1.60 schwarze 640: bl = n->parent->parent->parent;
1.121 schwarze 641: type = bl->norm->Bl.type;
1.1 kristaps 642:
1.166 schwarze 643: /*
1.201 schwarze 644: * Defaults for specific list types.
645: */
646:
647: switch (type) {
648: case LIST_bullet:
649: case LIST_dash:
650: case LIST_hyphen:
651: case LIST_enum:
652: width = term_len(p, 2);
653: break;
654: case LIST_hang:
1.231 schwarze 655: case LIST_tag:
1.201 schwarze 656: width = term_len(p, 8);
657: break;
658: case LIST_column:
659: width = term_len(p, 10);
660: break;
661: default:
662: width = 0;
663: break;
664: }
665: offset = 0;
666:
667: /*
1.68 schwarze 668: * First calculate width and offset. This is pretty easy unless
669: * we're a -column list, in which case all prior columns must
670: * be accounted for.
671: */
672:
1.201 schwarze 673: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 674: offset = a2width(p, bl->norm->Bl.offs);
1.261 schwarze 675: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
676: offset = -p->tcol->offset;
1.201 schwarze 677: else if (offset > SHRT_MAX)
678: offset = 0;
679: }
1.66 schwarze 680:
1.1 kristaps 681: switch (type) {
1.166 schwarze 682: case LIST_column:
1.213 schwarze 683: if (n->type == ROFFT_HEAD)
1.1 kristaps 684: break;
1.88 schwarze 685:
1.66 schwarze 686: /*
1.68 schwarze 687: * Imitate groff's column handling:
688: * - For each earlier column, add its width.
689: * - For less than 5 columns, add four more blanks per
690: * column.
691: * - For exactly 5 columns, add three more blank per
692: * column.
693: * - For more than 5 columns, add only one column.
1.66 schwarze 694: */
1.121 schwarze 695: ncols = bl->norm->Bl.ncols;
1.166 schwarze 696: dcol = ncols < 5 ? term_len(p, 4) :
697: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 698:
1.85 schwarze 699: /*
1.213 schwarze 700: * Calculate the offset by applying all prior ROFFT_BODY,
701: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 702: */
703:
1.166 schwarze 704: for (i = 0, nn = n->prev;
705: nn->prev && i < (int)ncols;
1.244 schwarze 706: nn = nn->prev, i++) {
707: SCALE_HS_INIT(&su,
708: term_strlen(p, bl->norm->Bl.cols[i]));
709: su.scale /= term_strlen(p, "0");
1.263 schwarze 710: offset += term_hen(p, &su) + dcol;
1.244 schwarze 711: }
1.66 schwarze 712:
713: /*
1.68 schwarze 714: * When exceeding the declared number of columns, leave
715: * the remaining widths at 0. This will later be
716: * adjusted to the default width of 10, or, for the last
717: * column, stretched to the right margin.
1.46 schwarze 718: */
1.68 schwarze 719: if (i >= (int)ncols)
720: break;
1.46 schwarze 721:
1.66 schwarze 722: /*
1.68 schwarze 723: * Use the declared column widths, extended as explained
724: * in the preceding paragraph.
1.66 schwarze 725: */
1.244 schwarze 726: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
727: su.scale /= term_strlen(p, "0");
1.263 schwarze 728: width = term_hen(p, &su) + dcol;
1.1 kristaps 729: break;
730: default:
1.121 schwarze 731: if (NULL == bl->norm->Bl.width)
1.68 schwarze 732: break;
733:
1.166 schwarze 734: /*
1.68 schwarze 735: * Note: buffer the width by 2, which is groff's magic
736: * number for buffering single arguments. See the above
737: * handling for column for how this changes.
738: */
1.121 schwarze 739: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.261 schwarze 740: if (width < 0 && (size_t)(-width) > p->tcol->offset)
741: width = -p->tcol->offset;
1.201 schwarze 742: else if (width > SHRT_MAX)
743: width = 0;
1.1 kristaps 744: break;
745: }
746:
1.166 schwarze 747: /*
1.16 schwarze 748: * Whitespace control. Inset bodies need an initial space,
749: * while diagonal bodies need two.
1.1 kristaps 750: */
751:
1.42 schwarze 752: p->flags |= TERMP_NOSPACE;
753:
1.1 kristaps 754: switch (type) {
1.166 schwarze 755: case LIST_diag:
1.213 schwarze 756: if (n->type == ROFFT_BODY)
1.48 schwarze 757: term_word(p, "\\ \\ ");
1.42 schwarze 758: break;
1.166 schwarze 759: case LIST_inset:
1.230 schwarze 760: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 761: term_word(p, "\\ ");
1.1 kristaps 762: break;
763: default:
764: break;
765: }
766:
1.42 schwarze 767: p->flags |= TERMP_NOSPACE;
768:
1.1 kristaps 769: switch (type) {
1.166 schwarze 770: case LIST_diag:
1.213 schwarze 771: if (n->type == ROFFT_HEAD)
1.65 schwarze 772: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 773: break;
774: default:
775: break;
776: }
777:
778: /*
1.68 schwarze 779: * Pad and break control. This is the tricky part. These flags
780: * are documented in term_flushln() in term.c. Note that we're
781: * going to unset all of these flags in termp_it_post() when we
782: * exit.
1.1 kristaps 783: */
784:
785: switch (type) {
1.166 schwarze 786: case LIST_enum:
1.228 schwarze 787: case LIST_bullet:
788: case LIST_dash:
789: case LIST_hyphen:
1.259 schwarze 790: if (n->type == ROFFT_HEAD) {
791: p->flags |= TERMP_NOBREAK | TERMP_HANG;
792: p->trailspace = 1;
793: } else if (width <= (int)term_len(p, 2))
794: p->flags |= TERMP_NOPAD;
1.33 schwarze 795: break;
1.166 schwarze 796: case LIST_hang:
1.213 schwarze 797: if (n->type != ROFFT_HEAD)
1.47 schwarze 798: break;
1.165 schwarze 799: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 800: p->trailspace = 1;
1.33 schwarze 801: break;
1.166 schwarze 802: case LIST_tag:
1.213 schwarze 803: if (n->type != ROFFT_HEAD)
1.33 schwarze 804: break;
1.152 schwarze 805:
1.225 schwarze 806: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 807: p->trailspace = 2;
808:
1.60 schwarze 809: if (NULL == n->next || NULL == n->next->child)
1.259 schwarze 810: p->flags |= TERMP_HANG;
1.1 kristaps 811: break;
1.166 schwarze 812: case LIST_column:
1.213 schwarze 813: if (n->type == ROFFT_HEAD)
1.85 schwarze 814: break;
815:
1.152 schwarze 816: if (NULL == n->next) {
1.85 schwarze 817: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 818: p->trailspace = 0;
819: } else {
1.85 schwarze 820: p->flags |= TERMP_NOBREAK;
1.152 schwarze 821: p->trailspace = 1;
822: }
1.85 schwarze 823:
1.1 kristaps 824: break;
1.166 schwarze 825: case LIST_diag:
1.213 schwarze 826: if (n->type != ROFFT_HEAD)
1.152 schwarze 827: break;
1.165 schwarze 828: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 829: p->trailspace = 1;
1.1 kristaps 830: break;
831: default:
832: break;
833: }
834:
1.166 schwarze 835: /*
1.1 kristaps 836: * Margin control. Set-head-width lists have their right
837: * margins shortened. The body for these lists has the offset
838: * necessarily lengthened. Everybody gets the offset.
839: */
840:
1.261 schwarze 841: p->tcol->offset += offset;
1.1 kristaps 842:
843: switch (type) {
1.166 schwarze 844: case LIST_bullet:
845: case LIST_dash:
846: case LIST_enum:
847: case LIST_hyphen:
1.259 schwarze 848: case LIST_hang:
1.166 schwarze 849: case LIST_tag:
1.213 schwarze 850: if (n->type == ROFFT_HEAD)
1.261 schwarze 851: p->tcol->rmargin = p->tcol->offset + width;
1.191 schwarze 852: else
1.261 schwarze 853: p->tcol->offset += width;
1.1 kristaps 854: break;
1.166 schwarze 855: case LIST_column:
1.41 schwarze 856: assert(width);
1.261 schwarze 857: p->tcol->rmargin = p->tcol->offset + width;
1.166 schwarze 858: /*
1.43 schwarze 859: * XXX - this behaviour is not documented: the
860: * right-most column is filled to the right margin.
861: */
1.213 schwarze 862: if (n->type == ROFFT_HEAD)
1.85 schwarze 863: break;
1.261 schwarze 864: if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
865: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 866: break;
867: default:
868: break;
869: }
870:
1.166 schwarze 871: /*
1.1 kristaps 872: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 873: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 874: */
875:
1.213 schwarze 876: if (n->type == ROFFT_HEAD)
1.1 kristaps 877: switch (type) {
1.166 schwarze 878: case LIST_bullet:
1.65 schwarze 879: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 880: term_word(p, "\\[bu]");
1.65 schwarze 881: term_fontpop(p);
1.1 kristaps 882: break;
1.166 schwarze 883: case LIST_dash:
884: case LIST_hyphen:
1.65 schwarze 885: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 886: term_word(p, "-");
1.65 schwarze 887: term_fontpop(p);
1.1 kristaps 888: break;
1.166 schwarze 889: case LIST_enum:
1.1 kristaps 890: (pair->ppair->ppair->count)++;
1.167 schwarze 891: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 892: pair->ppair->ppair->count);
1.1 kristaps 893: term_word(p, buf);
894: break;
895: default:
896: break;
897: }
1.12 schwarze 898:
1.166 schwarze 899: /*
1.1 kristaps 900: * If we're not going to process our children, indicate so here.
901: */
902:
903: switch (type) {
1.166 schwarze 904: case LIST_bullet:
905: case LIST_item:
906: case LIST_dash:
907: case LIST_hyphen:
908: case LIST_enum:
1.213 schwarze 909: if (n->type == ROFFT_HEAD)
1.227 schwarze 910: return 0;
1.1 kristaps 911: break;
1.166 schwarze 912: case LIST_column:
1.213 schwarze 913: if (n->type == ROFFT_HEAD)
1.227 schwarze 914: return 0;
1.259 schwarze 915: p->minbl = 0;
1.1 kristaps 916: break;
917: default:
918: break;
919: }
920:
1.227 schwarze 921: return 1;
1.1 kristaps 922: }
923:
924: static void
925: termp_it_post(DECL_ARGS)
926: {
1.82 schwarze 927: enum mdoc_list type;
1.1 kristaps 928:
1.213 schwarze 929: if (n->type == ROFFT_BLOCK)
1.1 kristaps 930: return;
931:
1.121 schwarze 932: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 933:
934: switch (type) {
1.166 schwarze 935: case LIST_item:
936: case LIST_diag:
937: case LIST_inset:
1.213 schwarze 938: if (n->type == ROFFT_BODY)
1.74 schwarze 939: term_newln(p);
1.1 kristaps 940: break;
1.166 schwarze 941: case LIST_column:
1.213 schwarze 942: if (n->type == ROFFT_BODY)
1.1 kristaps 943: term_flushln(p);
944: break;
945: default:
1.74 schwarze 946: term_newln(p);
1.1 kristaps 947: break;
948: }
949:
1.166 schwarze 950: /*
1.68 schwarze 951: * Now that our output is flushed, we can reset our tags. Since
952: * only `It' sets these flags, we're free to assume that nobody
953: * has munged them in the meanwhile.
954: */
955:
1.259 schwarze 956: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 957: p->trailspace = 0;
1.1 kristaps 958: }
959:
960: static int
961: termp_nm_pre(DECL_ARGS)
962: {
1.195 schwarze 963: const char *cp;
1.1 kristaps 964:
1.213 schwarze 965: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 966: p->flags |= TERMP_PREKEEP;
1.227 schwarze 967: return 1;
1.155 schwarze 968: }
1.94 schwarze 969:
1.213 schwarze 970: if (n->type == ROFFT_BODY) {
1.261 schwarze 971: if (n->child == NULL)
1.227 schwarze 972: return 0;
1.136 schwarze 973: p->flags |= TERMP_NOSPACE;
1.195 schwarze 974: cp = NULL;
975: if (n->prev->child != NULL)
976: cp = n->prev->child->string;
977: if (cp == NULL)
978: cp = meta->name;
979: if (cp == NULL)
1.261 schwarze 980: p->tcol->offset += term_len(p, 6);
1.195 schwarze 981: else
1.261 schwarze 982: p->tcol->offset += term_len(p, 1) +
983: term_strlen(p, cp);
1.227 schwarze 984: return 1;
1.94 schwarze 985: }
986:
1.242 schwarze 987: if (n->child == NULL)
1.227 schwarze 988: return 0;
1.81 schwarze 989:
1.213 schwarze 990: if (n->type == ROFFT_HEAD)
1.97 schwarze 991: synopsis_pre(p, n->parent);
1.65 schwarze 992:
1.213 schwarze 993: if (n->type == ROFFT_HEAD &&
1.261 schwarze 994: n->next != NULL && n->next->child != NULL) {
1.165 schwarze 995: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 996: p->trailspace = 1;
1.261 schwarze 997: p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
998: if (n->child == NULL)
999: p->tcol->rmargin += term_strlen(p, meta->name);
1000: else if (n->child->type == ROFFT_TEXT) {
1001: p->tcol->rmargin += term_strlen(p, n->child->string);
1002: if (n->child->next != NULL)
1.105 schwarze 1003: p->flags |= TERMP_HANG;
1004: } else {
1.261 schwarze 1005: p->tcol->rmargin += term_len(p, 5);
1.105 schwarze 1006: p->flags |= TERMP_HANG;
1007: }
1.94 schwarze 1008: }
1.278 schwarze 1009: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1010: }
1011:
1.94 schwarze 1012: static void
1013: termp_nm_post(DECL_ARGS)
1014: {
1.278 schwarze 1015: switch (n->type) {
1016: case ROFFT_BLOCK:
1.155 schwarze 1017: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.278 schwarze 1018: break;
1019: case ROFFT_HEAD:
1020: if (n->next == NULL || n->next->child == NULL)
1021: break;
1.94 schwarze 1022: term_flushln(p);
1.165 schwarze 1023: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1024: p->trailspace = 0;
1.278 schwarze 1025: break;
1026: case ROFFT_BODY:
1027: if (n->child != NULL)
1028: term_flushln(p);
1029: break;
1030: default:
1031: break;
1032: }
1.94 schwarze 1033: }
1034:
1.1 kristaps 1035: static int
1036: termp_fl_pre(DECL_ARGS)
1037: {
1.276 schwarze 1038: struct roff_node *nn;
1.1 kristaps 1039:
1.65 schwarze 1040: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1041: term_word(p, "\\-");
1.67 schwarze 1042:
1.276 schwarze 1043: if (n->child != NULL ||
1044: ((nn = roff_node_next(n)) != NULL &&
1045: nn->type != ROFFT_TEXT &&
1046: (nn->flags & NODE_LINE) == 0))
1.73 schwarze 1047: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1048:
1.227 schwarze 1049: return 1;
1.49 schwarze 1050: }
1051:
1052: static int
1.104 schwarze 1053: termp__a_pre(DECL_ARGS)
1054: {
1.276 schwarze 1055: struct roff_node *nn;
1.104 schwarze 1056:
1.276 schwarze 1057: if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
1058: ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
1059: term_word(p, "and");
1.104 schwarze 1060:
1.227 schwarze 1061: return 1;
1.104 schwarze 1062: }
1063:
1064: static int
1.49 schwarze 1065: termp_an_pre(DECL_ARGS)
1066: {
1067:
1.181 schwarze 1068: if (n->norm->An.auth == AUTH_split) {
1069: p->flags &= ~TERMP_NOSPLIT;
1070: p->flags |= TERMP_SPLIT;
1.227 schwarze 1071: return 0;
1.181 schwarze 1072: }
1073: if (n->norm->An.auth == AUTH_nosplit) {
1074: p->flags &= ~TERMP_SPLIT;
1075: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1076: return 0;
1.181 schwarze 1077: }
1.166 schwarze 1078:
1.181 schwarze 1079: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1080: term_newln(p);
1081:
1.181 schwarze 1082: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1083: p->flags |= TERMP_SPLIT;
1.49 schwarze 1084:
1.227 schwarze 1085: return 1;
1.1 kristaps 1086: }
1087:
1088: static int
1089: termp_ns_pre(DECL_ARGS)
1090: {
1091:
1.237 schwarze 1092: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1093: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1094: return 1;
1.1 kristaps 1095: }
1096:
1097: static int
1098: termp_rs_pre(DECL_ARGS)
1099: {
1.60 schwarze 1100: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1101: return 1;
1.276 schwarze 1102: if (n->type == ROFFT_BLOCK && roff_node_prev(n) != NULL)
1.1 kristaps 1103: term_vspace(p);
1.227 schwarze 1104: return 1;
1.1 kristaps 1105: }
1106:
1107: static int
1108: termp_ex_pre(DECL_ARGS)
1109: {
1.132 schwarze 1110: term_newln(p);
1.240 schwarze 1111: return 1;
1.1 kristaps 1112: }
1113:
1114: static int
1115: termp_nd_pre(DECL_ARGS)
1116: {
1.213 schwarze 1117: if (n->type == ROFFT_BODY)
1.196 schwarze 1118: term_word(p, "\\(en");
1.227 schwarze 1119: return 1;
1.1 kristaps 1120: }
1121:
1.73 schwarze 1122: static int
1123: termp_bl_pre(DECL_ARGS)
1124: {
1.279 schwarze 1125: switch (n->type) {
1126: case ROFFT_BLOCK:
1127: term_newln(p);
1128: return 1;
1129: case ROFFT_HEAD:
1130: return 0;
1131: default:
1132: return 1;
1133: }
1.73 schwarze 1134: }
1135:
1.1 kristaps 1136: static void
1137: termp_bl_post(DECL_ARGS)
1138: {
1.255 schwarze 1139: if (n->type != ROFFT_BLOCK)
1140: return;
1141: term_newln(p);
1142: if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
1143: return;
1144: term_tab_set(p, NULL);
1145: term_tab_set(p, "T");
1146: term_tab_set(p, ".5i");
1.1 kristaps 1147: }
1148:
1149: static int
1150: termp_xr_pre(DECL_ARGS)
1151: {
1.132 schwarze 1152: if (NULL == (n = n->child))
1.227 schwarze 1153: return 0;
1.72 schwarze 1154:
1.213 schwarze 1155: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1156: term_word(p, n->string);
1.10 schwarze 1157:
1.166 schwarze 1158: if (NULL == (n = n->next))
1.227 schwarze 1159: return 0;
1.132 schwarze 1160:
1.1 kristaps 1161: p->flags |= TERMP_NOSPACE;
1162: term_word(p, "(");
1.132 schwarze 1163: p->flags |= TERMP_NOSPACE;
1164:
1.213 schwarze 1165: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1166: term_word(p, n->string);
1167:
1168: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1169: term_word(p, ")");
1.60 schwarze 1170:
1.227 schwarze 1171: return 0;
1.1 kristaps 1172: }
1173:
1.86 schwarze 1174: /*
1175: * This decides how to assert whitespace before any of the SYNOPSIS set
1176: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1177: * macro combos).
1178: */
1179: static void
1.276 schwarze 1180: synopsis_pre(struct termp *p, struct roff_node *n)
1.86 schwarze 1181: {
1.276 schwarze 1182: struct roff_node *np;
1183:
1184: if ((n->flags & NODE_SYNPRETTY) == 0 ||
1185: (np = roff_node_prev(n)) == NULL)
1.86 schwarze 1186: return;
1187:
1188: /*
1189: * If we're the second in a pair of like elements, emit our
1190: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1191: * case we soldier on.
1192: */
1.276 schwarze 1193: if (np->tok == n->tok &&
1.166 schwarze 1194: MDOC_Ft != n->tok &&
1195: MDOC_Fo != n->tok &&
1196: MDOC_Fn != n->tok) {
1.86 schwarze 1197: term_newln(p);
1198: return;
1199: }
1200:
1201: /*
1202: * If we're one of the SYNOPSIS set and non-like pair-wise after
1203: * another (or Fn/Fo, which we've let slip through) then assert
1204: * vertical space, else only newline and move on.
1205: */
1.276 schwarze 1206: switch (np->tok) {
1.166 schwarze 1207: case MDOC_Fd:
1208: case MDOC_Fn:
1209: case MDOC_Fo:
1210: case MDOC_In:
1211: case MDOC_Vt:
1.86 schwarze 1212: term_vspace(p);
1213: break;
1.166 schwarze 1214: case MDOC_Ft:
1.276 schwarze 1215: if (n->tok != MDOC_Fn && n->tok != MDOC_Fo) {
1.86 schwarze 1216: term_vspace(p);
1217: break;
1218: }
1219: /* FALLTHROUGH */
1220: default:
1221: term_newln(p);
1222: break;
1223: }
1224: }
1225:
1.69 schwarze 1226: static int
1227: termp_vt_pre(DECL_ARGS)
1228: {
1.278 schwarze 1229: switch (n->type) {
1230: case ROFFT_ELEM:
1231: return termp_ft_pre(p, pair, meta, n);
1232: case ROFFT_BLOCK:
1.86 schwarze 1233: synopsis_pre(p, n);
1.227 schwarze 1234: return 1;
1.278 schwarze 1235: case ROFFT_HEAD:
1.227 schwarze 1236: return 0;
1.278 schwarze 1237: default:
1238: return termp_under_pre(p, pair, meta, n);
1239: }
1.69 schwarze 1240: }
1241:
1.1 kristaps 1242: static int
1.54 schwarze 1243: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1244: {
1.65 schwarze 1245: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1246: return 1;
1.1 kristaps 1247: }
1248:
1.86 schwarze 1249: static int
1250: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1251: {
1.86 schwarze 1252: synopsis_pre(p, n);
1.227 schwarze 1253: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1254: }
1255:
1.143 schwarze 1256: static void
1257: termp_fd_post(DECL_ARGS)
1258: {
1259: term_newln(p);
1260: }
1261:
1.1 kristaps 1262: static int
1263: termp_sh_pre(DECL_ARGS)
1264: {
1.276 schwarze 1265: struct roff_node *np;
1.60 schwarze 1266:
1267: switch (n->type) {
1.213 schwarze 1268: case ROFFT_BLOCK:
1.192 schwarze 1269: /*
1270: * Vertical space before sections, except
1271: * when the previous section was empty.
1272: */
1.276 schwarze 1273: if ((np = roff_node_prev(n)) == NULL ||
1274: np->tok != MDOC_Sh ||
1275: (np->body != NULL && np->body->child != NULL))
1.192 schwarze 1276: term_vspace(p);
1.52 schwarze 1277: break;
1.213 schwarze 1278: case ROFFT_HEAD:
1.278 schwarze 1279: return termp_bold_pre(p, pair, meta, n);
1.213 schwarze 1280: case ROFFT_BODY:
1.261 schwarze 1281: p->tcol->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");
1.278 schwarze 1285: if (n->sec == SEC_AUTHORS)
1.141 schwarze 1286: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1 kristaps 1287: break;
1288: default:
1289: break;
1290: }
1.227 schwarze 1291: return 1;
1.1 kristaps 1292: }
1293:
1294: static void
1295: termp_sh_post(DECL_ARGS)
1296: {
1.60 schwarze 1297: switch (n->type) {
1.213 schwarze 1298: case ROFFT_HEAD:
1.1 kristaps 1299: term_newln(p);
1300: break;
1.213 schwarze 1301: case ROFFT_BODY:
1.1 kristaps 1302: term_newln(p);
1.261 schwarze 1303: p->tcol->offset = 0;
1.1 kristaps 1304: break;
1305: default:
1306: break;
1307: }
1308: }
1309:
1310: static void
1311: termp_lb_post(DECL_ARGS)
1312: {
1.278 schwarze 1313: if (n->sec == SEC_LIBRARY && n->flags & NODE_LINE)
1.57 schwarze 1314: term_newln(p);
1.1 kristaps 1315: }
1316:
1317: static int
1318: termp_d1_pre(DECL_ARGS)
1319: {
1.213 schwarze 1320: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1321: return 1;
1.1 kristaps 1322: term_newln(p);
1.261 schwarze 1323: p->tcol->offset += term_len(p, p->defindent + 1);
1.255 schwarze 1324: term_tab_set(p, NULL);
1325: term_tab_set(p, "T");
1326: term_tab_set(p, ".5i");
1.227 schwarze 1327: return 1;
1.1 kristaps 1328: }
1329:
1330: static int
1331: termp_ft_pre(DECL_ARGS)
1332: {
1.86 schwarze 1333: synopsis_pre(p, n);
1.278 schwarze 1334: return termp_under_pre(p, pair, meta, n);
1.1 kristaps 1335: }
1336:
1337: static int
1338: termp_fn_pre(DECL_ARGS)
1339: {
1.159 schwarze 1340: size_t rmargin = 0;
1.132 schwarze 1341: int pretty;
1342:
1.86 schwarze 1343: synopsis_pre(p, n);
1.278 schwarze 1344: pretty = n->flags & NODE_SYNPRETTY;
1345: if ((n = n->child) == NULL)
1.227 schwarze 1346: return 0;
1.132 schwarze 1347:
1.153 schwarze 1348: if (pretty) {
1.261 schwarze 1349: rmargin = p->tcol->rmargin;
1350: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1351: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1352: }
1353:
1.213 schwarze 1354: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1355: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1356: term_word(p, n->string);
1.65 schwarze 1357: term_fontpop(p);
1.1 kristaps 1358:
1.153 schwarze 1359: if (pretty) {
1360: term_flushln(p);
1.165 schwarze 1361: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.259 schwarze 1362: p->flags |= TERMP_NOPAD;
1.261 schwarze 1363: p->tcol->offset = p->tcol->rmargin;
1364: p->tcol->rmargin = rmargin;
1.153 schwarze 1365: }
1366:
1.1 kristaps 1367: p->flags |= TERMP_NOSPACE;
1368: term_word(p, "(");
1.132 schwarze 1369: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1370:
1.132 schwarze 1371: for (n = n->next; n; n = n->next) {
1.213 schwarze 1372: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1373: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1374: if (pretty)
1375: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1376: term_word(p, n->string);
1.65 schwarze 1377: term_fontpop(p);
1378:
1.132 schwarze 1379: if (n->next) {
1380: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1381: term_word(p, ",");
1.132 schwarze 1382: }
1.1 kristaps 1383: }
1384:
1.132 schwarze 1385: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1386: term_word(p, ")");
1387:
1.132 schwarze 1388: if (pretty) {
1389: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1390: term_word(p, ";");
1.153 schwarze 1391: term_flushln(p);
1.132 schwarze 1392: }
1.227 schwarze 1393: return 0;
1.1 kristaps 1394: }
1395:
1396: static int
1397: termp_fa_pre(DECL_ARGS)
1398: {
1.214 schwarze 1399: const struct roff_node *nn;
1.1 kristaps 1400:
1.278 schwarze 1401: if (n->parent->tok != MDOC_Fo)
1402: return termp_under_pre(p, pair, meta, n);
1403:
1.276 schwarze 1404: for (nn = n->child; nn != NULL; nn = nn->next) {
1.65 schwarze 1405: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1406: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1407: term_word(p, nn->string);
1.65 schwarze 1408: term_fontpop(p);
1.276 schwarze 1409: if (nn->next != NULL) {
1.132 schwarze 1410: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1411: term_word(p, ",");
1.132 schwarze 1412: }
1.1 kristaps 1413: }
1.276 schwarze 1414: if (n->child != NULL &&
1415: (nn = roff_node_next(n)) != NULL &&
1416: nn->tok == MDOC_Fa) {
1417: p->flags |= TERMP_NOSPACE;
1418: term_word(p, ",");
1419: }
1.227 schwarze 1420: return 0;
1.1 kristaps 1421: }
1422:
1423: static int
1424: termp_bd_pre(DECL_ARGS)
1425: {
1.201 schwarze 1426: int offset;
1.1 kristaps 1427:
1.213 schwarze 1428: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1429: print_bvspace(p, n, n);
1.227 schwarze 1430: return 1;
1.213 schwarze 1431: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1432: return 0;
1.1 kristaps 1433:
1.187 schwarze 1434: /* Handle the -offset argument. */
1435:
1436: if (n->norm->Bd.offs == NULL ||
1437: ! strcmp(n->norm->Bd.offs, "left"))
1438: /* nothing */;
1439: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.261 schwarze 1440: p->tcol->offset += term_len(p, p->defindent + 1);
1.187 schwarze 1441: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.261 schwarze 1442: p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1443: else {
1444: offset = a2width(p, n->norm->Bd.offs);
1.261 schwarze 1445: if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
1446: p->tcol->offset = 0;
1.201 schwarze 1447: else if (offset < SHRT_MAX)
1.261 schwarze 1448: p->tcol->offset += offset;
1.201 schwarze 1449: }
1.60 schwarze 1450:
1.271 schwarze 1451: switch (n->norm->Bd.type) {
1452: case DISP_literal:
1.255 schwarze 1453: term_tab_set(p, NULL);
1454: term_tab_set(p, "T");
1455: term_tab_set(p, "8n");
1.271 schwarze 1456: break;
1457: case DISP_centered:
1458: p->flags |= TERMP_CENTER;
1459: break;
1460: default:
1461: break;
1.255 schwarze 1462: }
1.271 schwarze 1463: return 1;
1.1 kristaps 1464: }
1465:
1466: static void
1467: termp_bd_post(DECL_ARGS)
1468: {
1.213 schwarze 1469: if (n->type != ROFFT_BODY)
1.1 kristaps 1470: return;
1.271 schwarze 1471: if (n->norm->Bd.type == DISP_unfilled ||
1472: n->norm->Bd.type == DISP_literal)
1.260 schwarze 1473: p->flags |= TERMP_BRNEVER;
1.48 schwarze 1474: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1475: term_newln(p);
1.260 schwarze 1476: p->flags &= ~TERMP_BRNEVER;
1.271 schwarze 1477: if (n->norm->Bd.type == DISP_centered)
1478: p->flags &= ~TERMP_CENTER;
1.1 kristaps 1479: }
1480:
1481: static int
1.26 schwarze 1482: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1483: {
1.238 schwarze 1484: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1485: p->flags |= TERMP_PREKEEP;
1486: return 1;
1487: }
1.1 kristaps 1488:
1.238 schwarze 1489: static void
1490: termp_xx_post(DECL_ARGS)
1491: {
1492: if (n->aux == 0)
1493: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1494: }
1495:
1496: static void
1497: termp_pf_post(DECL_ARGS)
1498: {
1.276 schwarze 1499: if (n->next != NULL && (n->next->flags & NODE_LINE) == 0)
1.197 schwarze 1500: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1501: }
1502:
1503: static int
1504: termp_ss_pre(DECL_ARGS)
1505: {
1.60 schwarze 1506: switch (n->type) {
1.213 schwarze 1507: case ROFFT_BLOCK:
1.276 schwarze 1508: if (roff_node_prev(n) == NULL)
1509: term_newln(p);
1510: else
1.1 kristaps 1511: term_vspace(p);
1512: break;
1.213 schwarze 1513: case ROFFT_HEAD:
1.261 schwarze 1514: p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.278 schwarze 1515: return termp_bold_pre(p, pair, meta, n);
1.213 schwarze 1516: case ROFFT_BODY:
1.261 schwarze 1517: p->tcol->offset = term_len(p, p->defindent);
1.255 schwarze 1518: term_tab_set(p, NULL);
1519: term_tab_set(p, "T");
1520: term_tab_set(p, ".5i");
1.176 schwarze 1521: break;
1.1 kristaps 1522: default:
1523: break;
1524: }
1.227 schwarze 1525: return 1;
1.1 kristaps 1526: }
1527:
1528: static void
1529: termp_ss_post(DECL_ARGS)
1530: {
1.213 schwarze 1531: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1532: term_newln(p);
1533: }
1534:
1535: static int
1536: termp_in_pre(DECL_ARGS)
1537: {
1.86 schwarze 1538: synopsis_pre(p, n);
1.278 schwarze 1539: if (n->flags & NODE_SYNPRETTY && n->flags & NODE_LINE) {
1.85 schwarze 1540: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1541: term_word(p, "#include");
1.85 schwarze 1542: term_word(p, "<");
1543: } else {
1544: term_word(p, "<");
1545: term_fontpush(p, TERMFONT_UNDER);
1546: }
1.1 kristaps 1547: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1548: return 1;
1.1 kristaps 1549: }
1550:
1551: static void
1552: termp_in_post(DECL_ARGS)
1553: {
1.278 schwarze 1554: if (n->flags & NODE_SYNPRETTY)
1.85 schwarze 1555: term_fontpush(p, TERMFONT_BOLD);
1.59 schwarze 1556: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1557: term_word(p, ">");
1.278 schwarze 1558: if (n->flags & NODE_SYNPRETTY)
1.85 schwarze 1559: term_fontpop(p);
1.38 schwarze 1560: }
1561:
1562: static int
1.254 schwarze 1563: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1564: {
1.254 schwarze 1565: term_vspace(p);
1.279 schwarze 1566: if (n->flags & NODE_ID)
1567: term_tag_write(n, p->line);
1.227 schwarze 1568: return 0;
1.38 schwarze 1569: }
1570:
1571: static int
1.193 schwarze 1572: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1573: {
1.227 schwarze 1574: return 0;
1.170 schwarze 1575: }
1576:
1577: static int
1.107 schwarze 1578: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1579: {
1.213 schwarze 1580: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1581: return 1;
1.1 kristaps 1582:
1.107 schwarze 1583: switch (n->tok) {
1.166 schwarze 1584: case MDOC_Ao:
1585: case MDOC_Aq:
1.230 schwarze 1586: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1587: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1588: break;
1.166 schwarze 1589: case MDOC_Bro:
1590: case MDOC_Brq:
1.107 schwarze 1591: term_word(p, "{");
1592: break;
1.166 schwarze 1593: case MDOC_Oo:
1594: case MDOC_Op:
1595: case MDOC_Bo:
1596: case MDOC_Bq:
1.107 schwarze 1597: term_word(p, "[");
1598: break;
1.245 schwarze 1599: case MDOC__T:
1600: /* FALLTHROUGH */
1.166 schwarze 1601: case MDOC_Do:
1602: case MDOC_Dq:
1.265 schwarze 1603: term_word(p, "\\(lq");
1.107 schwarze 1604: break;
1.170 schwarze 1605: case MDOC_En:
1606: if (NULL == n->norm->Es ||
1607: NULL == n->norm->Es->child)
1.227 schwarze 1608: return 1;
1.170 schwarze 1609: term_word(p, n->norm->Es->child->string);
1610: break;
1.166 schwarze 1611: case MDOC_Po:
1612: case MDOC_Pq:
1.107 schwarze 1613: term_word(p, "(");
1614: break;
1.166 schwarze 1615: case MDOC_Qo:
1616: case MDOC_Qq:
1.107 schwarze 1617: term_word(p, "\"");
1618: break;
1.166 schwarze 1619: case MDOC_Ql:
1620: case MDOC_So:
1621: case MDOC_Sq:
1.151 schwarze 1622: term_word(p, "\\(oq");
1.107 schwarze 1623: break;
1624: default:
1625: abort();
1626: }
1.1 kristaps 1627:
1628: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1629: return 1;
1.1 kristaps 1630: }
1631:
1632: static void
1.107 schwarze 1633: termp_quote_post(DECL_ARGS)
1.1 kristaps 1634: {
1635:
1.213 schwarze 1636: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1637: return;
1638:
1.205 schwarze 1639: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1640:
1.107 schwarze 1641: switch (n->tok) {
1.166 schwarze 1642: case MDOC_Ao:
1643: case MDOC_Aq:
1.230 schwarze 1644: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1645: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1646: break;
1.166 schwarze 1647: case MDOC_Bro:
1648: case MDOC_Brq:
1.107 schwarze 1649: term_word(p, "}");
1650: break;
1.166 schwarze 1651: case MDOC_Oo:
1652: case MDOC_Op:
1653: case MDOC_Bo:
1654: case MDOC_Bq:
1.107 schwarze 1655: term_word(p, "]");
1656: break;
1.245 schwarze 1657: case MDOC__T:
1658: /* FALLTHROUGH */
1.166 schwarze 1659: case MDOC_Do:
1660: case MDOC_Dq:
1.265 schwarze 1661: term_word(p, "\\(rq");
1.170 schwarze 1662: break;
1663: case MDOC_En:
1.205 schwarze 1664: if (n->norm->Es == NULL ||
1665: n->norm->Es->child == NULL ||
1666: n->norm->Es->child->next == NULL)
1667: p->flags &= ~TERMP_NOSPACE;
1668: else
1.170 schwarze 1669: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1670: break;
1.166 schwarze 1671: case MDOC_Po:
1672: case MDOC_Pq:
1.107 schwarze 1673: term_word(p, ")");
1674: break;
1.166 schwarze 1675: case MDOC_Qo:
1676: case MDOC_Qq:
1.107 schwarze 1677: term_word(p, "\"");
1678: break;
1.166 schwarze 1679: case MDOC_Ql:
1680: case MDOC_So:
1681: case MDOC_Sq:
1.151 schwarze 1682: term_word(p, "\\(cq");
1.107 schwarze 1683: break;
1684: default:
1685: abort();
1686: }
1.205 schwarze 1687: }
1688:
1689: static int
1690: termp_eo_pre(DECL_ARGS)
1691: {
1692:
1.213 schwarze 1693: if (n->type != ROFFT_BODY)
1.227 schwarze 1694: return 1;
1.205 schwarze 1695:
1696: if (n->end == ENDBODY_NOT &&
1697: n->parent->head->child == NULL &&
1698: n->child != NULL &&
1699: n->child->end != ENDBODY_NOT)
1700: term_word(p, "\\&");
1701: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1702: n->parent->head->child != NULL && (n->child != NULL ||
1703: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1704: p->flags |= TERMP_NOSPACE;
1705:
1.227 schwarze 1706: return 1;
1.205 schwarze 1707: }
1708:
1709: static void
1710: termp_eo_post(DECL_ARGS)
1711: {
1712: int body, tail;
1713:
1.213 schwarze 1714: if (n->type != ROFFT_BODY)
1.205 schwarze 1715: return;
1716:
1717: if (n->end != ENDBODY_NOT) {
1718: p->flags &= ~TERMP_NOSPACE;
1719: return;
1720: }
1721:
1722: body = n->child != NULL || n->parent->head->child != NULL;
1723: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1724:
1725: if (body && tail)
1726: p->flags |= TERMP_NOSPACE;
1727: else if ( ! (body || tail))
1728: term_word(p, "\\&");
1729: else if ( ! tail)
1730: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1731: }
1732:
1733: static int
1734: termp_fo_pre(DECL_ARGS)
1735: {
1.278 schwarze 1736: size_t rmargin;
1.158 schwarze 1737:
1.278 schwarze 1738: switch (n->type) {
1739: case ROFFT_BLOCK:
1.86 schwarze 1740: synopsis_pre(p, n);
1.227 schwarze 1741: return 1;
1.278 schwarze 1742: case ROFFT_BODY:
1743: rmargin = p->tcol->rmargin;
1744: if (n->flags & NODE_SYNPRETTY) {
1.261 schwarze 1745: p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.165 schwarze 1746: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1747: TERMP_HANG;
1.158 schwarze 1748: }
1.31 schwarze 1749: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1750: term_word(p, "(");
1.132 schwarze 1751: p->flags |= TERMP_NOSPACE;
1.278 schwarze 1752: if (n->flags & NODE_SYNPRETTY) {
1.158 schwarze 1753: term_flushln(p);
1.165 schwarze 1754: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1755: TERMP_HANG);
1.259 schwarze 1756: p->flags |= TERMP_NOPAD;
1.261 schwarze 1757: p->tcol->offset = p->tcol->rmargin;
1758: p->tcol->rmargin = rmargin;
1.158 schwarze 1759: }
1.227 schwarze 1760: return 1;
1.278 schwarze 1761: default:
1762: return termp_bold_pre(p, pair, meta, n);
1.158 schwarze 1763: }
1.1 kristaps 1764: }
1765:
1766: static void
1767: termp_fo_post(DECL_ARGS)
1768: {
1.213 schwarze 1769: if (n->type != ROFFT_BODY)
1.86 schwarze 1770: return;
1771:
1.132 schwarze 1772: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1773: term_word(p, ")");
1774:
1.278 schwarze 1775: if (n->flags & NODE_SYNPRETTY) {
1.132 schwarze 1776: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1777: term_word(p, ";");
1.158 schwarze 1778: term_flushln(p);
1.132 schwarze 1779: }
1.1 kristaps 1780: }
1781:
1782: static int
1783: termp_bf_pre(DECL_ARGS)
1784: {
1.278 schwarze 1785: switch (n->type) {
1786: case ROFFT_HEAD:
1.227 schwarze 1787: return 0;
1.278 schwarze 1788: case ROFFT_BODY:
1789: break;
1790: default:
1.227 schwarze 1791: return 1;
1.278 schwarze 1792: }
1793: switch (n->norm->Bf.font) {
1794: case FONT_Em:
1795: return termp_under_pre(p, pair, meta, n);
1796: case FONT_Sy:
1797: return termp_bold_pre(p, pair, meta, n);
1798: default:
1799: return termp_li_pre(p, pair, meta, n);
1800: }
1.1 kristaps 1801: }
1802:
1803: static int
1804: termp_sm_pre(DECL_ARGS)
1805: {
1.278 schwarze 1806: if (n->child == NULL)
1.171 schwarze 1807: p->flags ^= TERMP_NONOSPACE;
1.278 schwarze 1808: else if (strcmp(n->child->string, "on") == 0)
1.1 kristaps 1809: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1810: else
1.1 kristaps 1811: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1812:
1813: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1814: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1815:
1.227 schwarze 1816: return 0;
1.1 kristaps 1817: }
1818:
1819: static int
1820: termp_ap_pre(DECL_ARGS)
1821: {
1822: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1823: term_word(p, "'");
1.1 kristaps 1824: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1825: return 1;
1.1 kristaps 1826: }
1827:
1828: static void
1829: termp____post(DECL_ARGS)
1830: {
1.276 schwarze 1831: struct roff_node *nn;
1.104 schwarze 1832:
1833: /*
1834: * Handle lists of authors. In general, print each followed by
1835: * a comma. Don't print the comma if there are only two
1836: * authors.
1837: */
1.276 schwarze 1838: if (n->tok == MDOC__A &&
1839: (nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
1840: ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
1841: ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
1842: return;
1.1 kristaps 1843:
1.62 schwarze 1844: /* TODO: %U. */
1845:
1.276 schwarze 1846: if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1.106 schwarze 1847: return;
1848:
1.132 schwarze 1849: p->flags |= TERMP_NOSPACE;
1.276 schwarze 1850: if (roff_node_next(n) == NULL) {
1.106 schwarze 1851: term_word(p, ".");
1852: p->flags |= TERMP_SENTENCE;
1853: } else
1854: term_word(p, ",");
1.1 kristaps 1855: }
1856:
1857: static int
1.65 schwarze 1858: termp_li_pre(DECL_ARGS)
1859: {
1860: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1861: return 1;
1.65 schwarze 1862: }
1863:
1864: static int
1.1 kristaps 1865: termp_lk_pre(DECL_ARGS)
1866: {
1.257 schwarze 1867: const struct roff_node *link, *descr, *punct;
1.1 kristaps 1868:
1.248 schwarze 1869: if ((link = n->child) == NULL)
1.227 schwarze 1870: return 0;
1.101 schwarze 1871:
1.257 schwarze 1872: /* Find beginning of trailing punctuation. */
1873: punct = n->last;
1874: while (punct != link && punct->flags & NODE_DELIMC)
1875: punct = punct->prev;
1876: punct = punct->next;
1877:
1.248 schwarze 1878: /* Link text. */
1.257 schwarze 1879: if ((descr = link->next) != NULL && descr != punct) {
1.142 schwarze 1880: term_fontpush(p, TERMFONT_UNDER);
1.257 schwarze 1881: while (descr != punct) {
1882: if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
1883: p->flags |= TERMP_NOSPACE;
1.142 schwarze 1884: term_word(p, descr->string);
1885: descr = descr->next;
1886: }
1.246 schwarze 1887: term_fontpop(p);
1.142 schwarze 1888: p->flags |= TERMP_NOSPACE;
1889: term_word(p, ":");
1890: }
1.1 kristaps 1891:
1.248 schwarze 1892: /* Link target. */
1.65 schwarze 1893: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 1894: term_word(p, link->string);
1.65 schwarze 1895: term_fontpop(p);
1.247 schwarze 1896:
1.248 schwarze 1897: /* Trailing punctuation. */
1.257 schwarze 1898: while (punct != NULL) {
1.248 schwarze 1899: p->flags |= TERMP_NOSPACE;
1.257 schwarze 1900: term_word(p, punct->string);
1901: punct = punct->next;
1.248 schwarze 1902: }
1.227 schwarze 1903: return 0;
1.1 kristaps 1904: }
1905:
1.90 schwarze 1906: static int
1907: termp_bk_pre(DECL_ARGS)
1908: {
1.91 schwarze 1909: switch (n->type) {
1.213 schwarze 1910: case ROFFT_BLOCK:
1.95 schwarze 1911: break;
1.213 schwarze 1912: case ROFFT_HEAD:
1.227 schwarze 1913: return 0;
1.213 schwarze 1914: case ROFFT_BODY:
1.230 schwarze 1915: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 1916: p->flags |= TERMP_PREKEEP;
1.95 schwarze 1917: break;
1.91 schwarze 1918: default:
1919: abort();
1920: }
1.227 schwarze 1921: return 1;
1.90 schwarze 1922: }
1923:
1924: static void
1925: termp_bk_post(DECL_ARGS)
1926: {
1.213 schwarze 1927: if (n->type == ROFFT_BODY)
1.91 schwarze 1928: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 1929: }
1.120 schwarze 1930:
1.278 schwarze 1931: /*
1932: * If we are in an `Rs' and there is a journal present,
1933: * then quote us instead of underlining us (for disambiguation).
1934: */
1.120 schwarze 1935: static void
1936: termp__t_post(DECL_ARGS)
1937: {
1.278 schwarze 1938: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.166 schwarze 1939: n->parent->norm->Rs.quote_T)
1.147 schwarze 1940: termp_quote_post(p, pair, meta, n);
1941: termp____post(p, pair, meta, n);
1.120 schwarze 1942: }
1943:
1944: static int
1945: termp__t_pre(DECL_ARGS)
1946: {
1.278 schwarze 1947: if (n->parent != NULL && n->parent->tok == MDOC_Rs &&
1.166 schwarze 1948: n->parent->norm->Rs.quote_T)
1.227 schwarze 1949: return termp_quote_pre(p, pair, meta, n);
1.278 schwarze 1950: else
1951: return termp_under_pre(p, pair, meta, n);
1.121 schwarze 1952: }
1.1 kristaps 1953:
1954: static int
1.54 schwarze 1955: termp_under_pre(DECL_ARGS)
1.1 kristaps 1956: {
1.233 schwarze 1957: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1958: return 1;
1.268 schwarze 1959: }
1960:
1961: static int
1962: termp_abort_pre(DECL_ARGS)
1963: {
1964: abort();
1.1 kristaps 1965: }
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