Annotation of src/usr.bin/mandoc/mdoc_term.c, Revision 1.254
1.254 ! schwarze 1: /* $OpenBSD: mdoc_term.c,v 1.253 2017/05/05 13:17:04 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;
1.89 schwarze 262: p->tabwidth = term_len(p, 5);
1.55 schwarze 263:
1.218 schwarze 264: n = mdoc->first->child;
1.180 schwarze 265: if (p->synopsisonly) {
266: while (n != NULL) {
267: if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
268: if (n->child->next->child != NULL)
269: print_mdoc_nodelist(p, NULL,
1.218 schwarze 270: &mdoc->meta,
271: n->child->next->child);
1.180 schwarze 272: term_newln(p);
273: break;
274: }
275: n = n->next;
276: }
277: } else {
1.241 schwarze 278: save_defindent = p->defindent;
1.180 schwarze 279: if (p->defindent == 0)
280: p->defindent = 5;
1.218 schwarze 281: term_begin(p, print_mdoc_head, print_mdoc_foot,
282: &mdoc->meta);
1.236 schwarze 283: while (n != NULL && n->flags & NODE_NOPRT)
284: n = n->next;
1.180 schwarze 285: if (n != NULL) {
286: if (n->tok != MDOC_Sh)
287: term_vspace(p);
1.218 schwarze 288: print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.180 schwarze 289: }
290: term_end(p);
1.241 schwarze 291: p->defindent = save_defindent;
1.173 schwarze 292: }
1.1 kristaps 293: }
294:
295: static void
1.65 schwarze 296: print_mdoc_nodelist(DECL_ARGS)
1.1 kristaps 297: {
298:
1.203 schwarze 299: while (n != NULL) {
300: print_mdoc_node(p, pair, meta, n);
301: n = n->next;
302: }
1.1 kristaps 303: }
304:
305: static void
1.65 schwarze 306: print_mdoc_node(DECL_ARGS)
1.1 kristaps 307: {
1.65 schwarze 308: int chld;
1.1 kristaps 309: struct termpair npair;
1.28 schwarze 310: size_t offset, rmargin;
1.1 kristaps 311:
1.236 schwarze 312: if (n->flags & NODE_NOPRT)
313: return;
314:
1.54 schwarze 315: chld = 1;
1.28 schwarze 316: offset = p->offset;
317: rmargin = p->rmargin;
1.237 schwarze 318: n->flags &= ~NODE_ENDED;
1.204 schwarze 319: n->prev_font = p->fonti;
1.1 kristaps 320:
1.63 schwarze 321: memset(&npair, 0, sizeof(struct termpair));
1.1 kristaps 322: npair.ppair = pair;
1.65 schwarze 323:
1.95 schwarze 324: /*
325: * Keeps only work until the end of a line. If a keep was
326: * invoked in a prior line, revert it to PREKEEP.
327: */
328:
1.237 schwarze 329: if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.206 schwarze 330: p->flags &= ~TERMP_KEEP;
331: p->flags |= TERMP_PREKEEP;
1.95 schwarze 332: }
1.116 schwarze 333:
334: /*
1.128 schwarze 335: * After the keep flags have been set up, we may now
336: * produce output. Note that some pre-handlers do so.
337: */
338:
339: switch (n->type) {
1.213 schwarze 340: case ROFFT_TEXT:
1.237 schwarze 341: if (' ' == *n->string && NODE_LINE & n->flags)
1.128 schwarze 342: term_newln(p);
1.237 schwarze 343: if (NODE_DELIMC & n->flags)
1.132 schwarze 344: p->flags |= TERMP_NOSPACE;
1.128 schwarze 345: term_word(p, n->string);
1.237 schwarze 346: if (NODE_DELIMO & n->flags)
1.132 schwarze 347: p->flags |= TERMP_NOSPACE;
1.128 schwarze 348: break;
1.213 schwarze 349: case ROFFT_EQN:
1.237 schwarze 350: if ( ! (n->flags & NODE_LINE))
1.183 schwarze 351: p->flags |= TERMP_NOSPACE;
1.135 schwarze 352: term_eqn(p, n->eqn);
1.237 schwarze 353: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.184 schwarze 354: p->flags |= TERMP_NOSPACE;
1.131 schwarze 355: break;
1.213 schwarze 356: case ROFFT_TBL:
1.212 schwarze 357: if (p->tbl.cols == NULL)
358: term_newln(p);
1.128 schwarze 359: term_tbl(p, n->span);
360: break;
361: default:
1.250 schwarze 362: if (n->tok < ROFF_MAX) {
1.251 schwarze 363: roff_term_pre(p, n);
1.253 schwarze 364: return;
1.250 schwarze 365: }
366: assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.249 schwarze 367: if (termacts[n->tok].pre != NULL &&
1.230 schwarze 368: (n->end == ENDBODY_NOT || n->child != NULL))
1.128 schwarze 369: chld = (*termacts[n->tok].pre)
1.147 schwarze 370: (p, &npair, meta, n);
1.128 schwarze 371: break;
372: }
1.95 schwarze 373:
1.60 schwarze 374: if (chld && n->child)
1.147 schwarze 375: print_mdoc_nodelist(p, &npair, meta, n->child);
1.1 kristaps 376:
1.146 schwarze 377: term_fontpopq(p,
1.209 schwarze 378: (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.1 kristaps 379:
1.122 schwarze 380: switch (n->type) {
1.213 schwarze 381: case ROFFT_TEXT:
1.122 schwarze 382: break;
1.213 schwarze 383: case ROFFT_TBL:
1.131 schwarze 384: break;
1.213 schwarze 385: case ROFFT_EQN:
1.122 schwarze 386: break;
387: default:
1.253 schwarze 388: if (termacts[n->tok].post == NULL || n->flags & NODE_ENDED)
1.122 schwarze 389: break;
1.147 schwarze 390: (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.93 schwarze 391:
392: /*
393: * Explicit end tokens not only call the post
394: * handler, but also tell the respective block
395: * that it must not call the post handler again.
396: */
1.95 schwarze 397: if (ENDBODY_NOT != n->end)
1.237 schwarze 398: n->body->flags |= NODE_ENDED;
1.122 schwarze 399: break;
1.93 schwarze 400: }
1.28 schwarze 401:
1.237 schwarze 402: if (NODE_EOS & n->flags)
1.78 schwarze 403: p->flags |= TERMP_SENTENCE;
404:
1.253 schwarze 405: p->offset = offset;
406: p->rmargin = rmargin;
1.1 kristaps 407: }
408:
409: static void
1.215 schwarze 410: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 411: {
1.191 schwarze 412: size_t sz;
1.87 schwarze 413:
1.65 schwarze 414: term_fontrepl(p, TERMFONT_NONE);
415:
1.166 schwarze 416: /*
1.7 schwarze 417: * Output the footer in new-groff style, that is, three columns
418: * with the middle being the manual date and flanking columns
419: * being the operating system:
420: *
421: * SYSTEM DATE SYSTEM
422: */
423:
1.1 kristaps 424: term_vspace(p);
425:
1.7 schwarze 426: p->offset = 0;
1.191 schwarze 427: sz = term_strlen(p, meta->date);
428: p->rmargin = p->maxrmargin > sz ?
429: (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.152 schwarze 430: p->trailspace = 1;
1.1 kristaps 431: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
432:
1.147 schwarze 433: term_word(p, meta->os);
1.1 kristaps 434: term_flushln(p);
435:
1.7 schwarze 436: p->offset = p->rmargin;
1.191 schwarze 437: sz = term_strlen(p, meta->os);
438: p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.136 schwarze 439: p->flags |= TERMP_NOSPACE;
1.7 schwarze 440:
1.147 schwarze 441: term_word(p, meta->date);
1.7 schwarze 442: term_flushln(p);
443:
1.1 kristaps 444: p->offset = p->rmargin;
445: p->rmargin = p->maxrmargin;
1.152 schwarze 446: p->trailspace = 0;
1.1 kristaps 447: p->flags &= ~TERMP_NOBREAK;
1.136 schwarze 448: p->flags |= TERMP_NOSPACE;
1.1 kristaps 449:
1.147 schwarze 450: term_word(p, meta->os);
1.1 kristaps 451: term_flushln(p);
1.7 schwarze 452:
453: p->offset = 0;
454: p->rmargin = p->maxrmargin;
455: p->flags = 0;
1.1 kristaps 456: }
457:
458: static void
1.215 schwarze 459: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 460: {
1.169 schwarze 461: char *volume, *title;
462: size_t vollen, titlen;
1.1 kristaps 463:
464: /*
465: * The header is strange. It has three components, which are
466: * really two with the first duplicated. It goes like this:
467: *
468: * IDENTIFIER TITLE IDENTIFIER
469: *
470: * The IDENTIFIER is NAME(SECTION), which is the command-name
471: * (if given, or "unknown" if not) followed by the manual page
472: * section. These are given in `Dt'. The TITLE is a free-form
473: * string depending on the manual volume. If not specified, it
474: * switches on the manual section.
475: */
1.137 schwarze 476:
1.147 schwarze 477: assert(meta->vol);
1.169 schwarze 478: if (NULL == meta->arch)
479: volume = mandoc_strdup(meta->vol);
480: else
481: mandoc_asprintf(&volume, "%s (%s)",
482: meta->vol, meta->arch);
483: vollen = term_strlen(p, volume);
1.1 kristaps 484:
1.177 schwarze 485: if (NULL == meta->msec)
486: title = mandoc_strdup(meta->title);
487: else
488: mandoc_asprintf(&title, "%s(%s)",
489: meta->title, meta->msec);
1.137 schwarze 490: titlen = term_strlen(p, title);
1.1 kristaps 491:
1.137 schwarze 492: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.152 schwarze 493: p->trailspace = 1;
1.1 kristaps 494: p->offset = 0;
1.169 schwarze 495: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
496: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.191 schwarze 497: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 498:
499: term_word(p, title);
500: term_flushln(p);
501:
1.137 schwarze 502: p->flags |= TERMP_NOSPACE;
1.1 kristaps 503: p->offset = p->rmargin;
1.169 schwarze 504: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.137 schwarze 505: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 506:
1.169 schwarze 507: term_word(p, volume);
1.1 kristaps 508: term_flushln(p);
509:
510: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 511: p->trailspace = 0;
1.137 schwarze 512: if (p->rmargin + titlen <= p->maxrmargin) {
513: p->flags |= TERMP_NOSPACE;
514: p->offset = p->rmargin;
515: p->rmargin = p->maxrmargin;
516: term_word(p, title);
517: term_flushln(p);
518: }
1.1 kristaps 519:
1.137 schwarze 520: p->flags &= ~TERMP_NOSPACE;
1.8 schwarze 521: p->offset = 0;
1.1 kristaps 522: p->rmargin = p->maxrmargin;
1.168 schwarze 523: free(title);
1.169 schwarze 524: free(volume);
1.1 kristaps 525: }
526:
1.201 schwarze 527: static int
1.89 schwarze 528: a2width(const struct termp *p, const char *v)
1.61 schwarze 529: {
530: struct roffsu su;
1.1 kristaps 531:
1.199 schwarze 532: if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.89 schwarze 533: SCALE_HS_INIT(&su, term_strlen(p, v));
1.182 schwarze 534: su.scale /= term_strlen(p, "0");
1.201 schwarze 535: }
1.227 schwarze 536: return term_hspan(p, &su) / 24;
1.1 kristaps 537: }
538:
1.68 schwarze 539: /*
540: * Determine how much space to print out before block elements of `It'
541: * (and thus `Bl') and `Bd'. And then go ahead and print that space,
542: * too.
543: */
1.45 schwarze 544: static void
1.166 schwarze 545: print_bvspace(struct termp *p,
1.214 schwarze 546: const struct roff_node *bl,
547: const struct roff_node *n)
1.1 kristaps 548: {
1.214 schwarze 549: const struct roff_node *nn;
1.138 schwarze 550:
551: assert(n);
1.1 kristaps 552:
553: term_newln(p);
1.88 schwarze 554:
1.121 schwarze 555: if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.88 schwarze 556: return;
1.121 schwarze 557: if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.45 schwarze 558: return;
559:
1.60 schwarze 560: /* Do not vspace directly after Ss/Sh. */
1.1 kristaps 561:
1.188 schwarze 562: nn = n;
1.236 schwarze 563: while (nn->prev != NULL && nn->prev->flags & NODE_NOPRT)
564: nn = nn->prev;
1.188 schwarze 565: while (nn->prev == NULL) {
566: do {
567: nn = nn->parent;
1.213 schwarze 568: if (nn->type == ROFFT_ROOT)
1.188 schwarze 569: return;
1.213 schwarze 570: } while (nn->type != ROFFT_BLOCK);
1.188 schwarze 571: if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.45 schwarze 572: return;
1.188 schwarze 573: if (nn->tok == MDOC_It &&
574: nn->parent->parent->norm->Bl.type != LIST_item)
575: break;
1.1 kristaps 576: }
577:
1.60 schwarze 578: /* A `-column' does not assert vspace within the list. */
1.45 schwarze 579:
1.121 schwarze 580: if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.60 schwarze 581: if (n->prev && MDOC_It == n->prev->tok)
1.45 schwarze 582: return;
583:
1.60 schwarze 584: /* A `-diag' without body does not vspace. */
585:
1.121 schwarze 586: if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.60 schwarze 587: if (n->prev && MDOC_It == n->prev->tok) {
588: assert(n->prev->body);
589: if (NULL == n->prev->body->child)
1.45 schwarze 590: return;
591: }
592:
593: term_vspace(p);
1.162 schwarze 594: }
595:
1.1 kristaps 596:
597: static int
598: termp_it_pre(DECL_ARGS)
599: {
1.244 schwarze 600: struct roffsu su;
1.201 schwarze 601: char buf[24];
1.214 schwarze 602: const struct roff_node *bl, *nn;
1.201 schwarze 603: size_t ncols, dcol;
604: int i, offset, width;
1.82 schwarze 605: enum mdoc_list type;
1.1 kristaps 606:
1.213 schwarze 607: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 608: print_bvspace(p, n->parent->parent, n);
1.227 schwarze 609: return 1;
1.45 schwarze 610: }
1.1 kristaps 611:
1.60 schwarze 612: bl = n->parent->parent->parent;
1.121 schwarze 613: type = bl->norm->Bl.type;
1.1 kristaps 614:
1.166 schwarze 615: /*
1.201 schwarze 616: * Defaults for specific list types.
617: */
618:
619: switch (type) {
620: case LIST_bullet:
621: case LIST_dash:
622: case LIST_hyphen:
623: case LIST_enum:
624: width = term_len(p, 2);
625: break;
626: case LIST_hang:
1.231 schwarze 627: case LIST_tag:
1.201 schwarze 628: width = term_len(p, 8);
629: break;
630: case LIST_column:
631: width = term_len(p, 10);
632: break;
633: default:
634: width = 0;
635: break;
636: }
637: offset = 0;
638:
639: /*
1.68 schwarze 640: * First calculate width and offset. This is pretty easy unless
641: * we're a -column list, in which case all prior columns must
642: * be accounted for.
643: */
644:
1.201 schwarze 645: if (bl->norm->Bl.offs != NULL) {
1.187 schwarze 646: offset = a2width(p, bl->norm->Bl.offs);
1.201 schwarze 647: if (offset < 0 && (size_t)(-offset) > p->offset)
648: offset = -p->offset;
649: else if (offset > SHRT_MAX)
650: offset = 0;
651: }
1.66 schwarze 652:
1.1 kristaps 653: switch (type) {
1.166 schwarze 654: case LIST_column:
1.213 schwarze 655: if (n->type == ROFFT_HEAD)
1.1 kristaps 656: break;
1.88 schwarze 657:
1.66 schwarze 658: /*
1.68 schwarze 659: * Imitate groff's column handling:
660: * - For each earlier column, add its width.
661: * - For less than 5 columns, add four more blanks per
662: * column.
663: * - For exactly 5 columns, add three more blank per
664: * column.
665: * - For more than 5 columns, add only one column.
1.66 schwarze 666: */
1.121 schwarze 667: ncols = bl->norm->Bl.ncols;
1.166 schwarze 668: dcol = ncols < 5 ? term_len(p, 4) :
669: ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.68 schwarze 670:
1.85 schwarze 671: /*
1.213 schwarze 672: * Calculate the offset by applying all prior ROFFT_BODY,
673: * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.85 schwarze 674: */
675:
1.166 schwarze 676: for (i = 0, nn = n->prev;
677: nn->prev && i < (int)ncols;
1.244 schwarze 678: nn = nn->prev, i++) {
679: SCALE_HS_INIT(&su,
680: term_strlen(p, bl->norm->Bl.cols[i]));
681: su.scale /= term_strlen(p, "0");
682: offset += term_hspan(p, &su) / 24 + dcol;
683: }
1.66 schwarze 684:
685: /*
1.68 schwarze 686: * When exceeding the declared number of columns, leave
687: * the remaining widths at 0. This will later be
688: * adjusted to the default width of 10, or, for the last
689: * column, stretched to the right margin.
1.46 schwarze 690: */
1.68 schwarze 691: if (i >= (int)ncols)
692: break;
1.46 schwarze 693:
1.66 schwarze 694: /*
1.68 schwarze 695: * Use the declared column widths, extended as explained
696: * in the preceding paragraph.
1.66 schwarze 697: */
1.244 schwarze 698: SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
699: su.scale /= term_strlen(p, "0");
700: width = term_hspan(p, &su) / 24 + dcol;
1.1 kristaps 701: break;
702: default:
1.121 schwarze 703: if (NULL == bl->norm->Bl.width)
1.68 schwarze 704: break;
705:
1.166 schwarze 706: /*
1.68 schwarze 707: * Note: buffer the width by 2, which is groff's magic
708: * number for buffering single arguments. See the above
709: * handling for column for how this changes.
710: */
1.121 schwarze 711: width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.201 schwarze 712: if (width < 0 && (size_t)(-width) > p->offset)
713: width = -p->offset;
714: else if (width > SHRT_MAX)
715: width = 0;
1.1 kristaps 716: break;
717: }
718:
1.166 schwarze 719: /*
1.16 schwarze 720: * Whitespace control. Inset bodies need an initial space,
721: * while diagonal bodies need two.
1.1 kristaps 722: */
723:
1.42 schwarze 724: p->flags |= TERMP_NOSPACE;
725:
1.1 kristaps 726: switch (type) {
1.166 schwarze 727: case LIST_diag:
1.213 schwarze 728: if (n->type == ROFFT_BODY)
1.48 schwarze 729: term_word(p, "\\ \\ ");
1.42 schwarze 730: break;
1.166 schwarze 731: case LIST_inset:
1.230 schwarze 732: if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.42 schwarze 733: term_word(p, "\\ ");
1.1 kristaps 734: break;
735: default:
736: break;
737: }
738:
1.42 schwarze 739: p->flags |= TERMP_NOSPACE;
740:
1.1 kristaps 741: switch (type) {
1.166 schwarze 742: case LIST_diag:
1.213 schwarze 743: if (n->type == ROFFT_HEAD)
1.65 schwarze 744: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 745: break;
746: default:
747: break;
748: }
749:
750: /*
1.68 schwarze 751: * Pad and break control. This is the tricky part. These flags
752: * are documented in term_flushln() in term.c. Note that we're
753: * going to unset all of these flags in termp_it_post() when we
754: * exit.
1.1 kristaps 755: */
756:
757: switch (type) {
1.166 schwarze 758: case LIST_enum:
1.228 schwarze 759: case LIST_bullet:
760: case LIST_dash:
761: case LIST_hyphen:
1.144 schwarze 762: /*
763: * Weird special case.
1.201 schwarze 764: * Some very narrow lists actually hang.
1.144 schwarze 765: */
1.201 schwarze 766: if (width <= (int)term_len(p, 2))
767: p->flags |= TERMP_HANG;
1.213 schwarze 768: if (n->type != ROFFT_HEAD)
1.152 schwarze 769: break;
770: p->flags |= TERMP_NOBREAK;
771: p->trailspace = 1;
1.33 schwarze 772: break;
1.166 schwarze 773: case LIST_hang:
1.213 schwarze 774: if (n->type != ROFFT_HEAD)
1.47 schwarze 775: break;
776:
777: /*
778: * This is ugly. If `-hang' is specified and the body
779: * is a `Bl' or `Bd', then we want basically to nullify
780: * the "overstep" effect in term_flushln() and treat
781: * this as a `-ohang' list instead.
782: */
1.178 schwarze 783: if (NULL != n->next &&
784: NULL != n->next->child &&
1.166 schwarze 785: (MDOC_Bl == n->next->child->tok ||
786: MDOC_Bd == n->next->child->tok))
1.152 schwarze 787: break;
788:
1.165 schwarze 789: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.152 schwarze 790: p->trailspace = 1;
1.33 schwarze 791: break;
1.166 schwarze 792: case LIST_tag:
1.213 schwarze 793: if (n->type != ROFFT_HEAD)
1.33 schwarze 794: break;
1.152 schwarze 795:
1.225 schwarze 796: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.152 schwarze 797: p->trailspace = 2;
798:
1.60 schwarze 799: if (NULL == n->next || NULL == n->next->child)
1.33 schwarze 800: p->flags |= TERMP_DANGLE;
1.1 kristaps 801: break;
1.166 schwarze 802: case LIST_column:
1.213 schwarze 803: if (n->type == ROFFT_HEAD)
1.85 schwarze 804: break;
805:
1.152 schwarze 806: if (NULL == n->next) {
1.85 schwarze 807: p->flags &= ~TERMP_NOBREAK;
1.152 schwarze 808: p->trailspace = 0;
809: } else {
1.85 schwarze 810: p->flags |= TERMP_NOBREAK;
1.152 schwarze 811: p->trailspace = 1;
812: }
1.85 schwarze 813:
1.1 kristaps 814: break;
1.166 schwarze 815: case LIST_diag:
1.213 schwarze 816: if (n->type != ROFFT_HEAD)
1.152 schwarze 817: break;
1.165 schwarze 818: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 819: p->trailspace = 1;
1.1 kristaps 820: break;
821: default:
822: break;
823: }
824:
1.166 schwarze 825: /*
1.1 kristaps 826: * Margin control. Set-head-width lists have their right
827: * margins shortened. The body for these lists has the offset
828: * necessarily lengthened. Everybody gets the offset.
829: */
830:
831: p->offset += offset;
832:
833: switch (type) {
1.166 schwarze 834: case LIST_hang:
1.47 schwarze 835: /*
836: * Same stipulation as above, regarding `-hang'. We
837: * don't want to recalculate rmargin and offsets when
838: * using `Bd' or `Bl' within `-hang' overstep lists.
839: */
1.213 schwarze 840: if (n->type == ROFFT_HEAD &&
1.178 schwarze 841: NULL != n->next &&
842: NULL != n->next->child &&
1.166 schwarze 843: (MDOC_Bl == n->next->child->tok ||
844: MDOC_Bd == n->next->child->tok))
1.47 schwarze 845: break;
846: /* FALLTHROUGH */
1.166 schwarze 847: case LIST_bullet:
848: case LIST_dash:
849: case LIST_enum:
850: case LIST_hyphen:
851: case LIST_tag:
1.213 schwarze 852: if (n->type == ROFFT_HEAD)
1.1 kristaps 853: p->rmargin = p->offset + width;
1.191 schwarze 854: else
1.1 kristaps 855: p->offset += width;
856: break;
1.166 schwarze 857: case LIST_column:
1.41 schwarze 858: assert(width);
1.1 kristaps 859: p->rmargin = p->offset + width;
1.166 schwarze 860: /*
1.43 schwarze 861: * XXX - this behaviour is not documented: the
862: * right-most column is filled to the right margin.
863: */
1.213 schwarze 864: if (n->type == ROFFT_HEAD)
1.85 schwarze 865: break;
866: if (NULL == n->next && p->rmargin < p->maxrmargin)
1.43 schwarze 867: p->rmargin = p->maxrmargin;
1.1 kristaps 868: break;
869: default:
870: break;
871: }
872:
1.166 schwarze 873: /*
1.1 kristaps 874: * The dash, hyphen, bullet and enum lists all have a special
1.166 schwarze 875: * HEAD character (temporarily bold, in some cases).
1.1 kristaps 876: */
877:
1.213 schwarze 878: if (n->type == ROFFT_HEAD)
1.1 kristaps 879: switch (type) {
1.166 schwarze 880: case LIST_bullet:
1.65 schwarze 881: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 882: term_word(p, "\\[bu]");
1.65 schwarze 883: term_fontpop(p);
1.1 kristaps 884: break;
1.166 schwarze 885: case LIST_dash:
886: case LIST_hyphen:
1.65 schwarze 887: term_fontpush(p, TERMFONT_BOLD);
1.229 schwarze 888: term_word(p, "-");
1.65 schwarze 889: term_fontpop(p);
1.1 kristaps 890: break;
1.166 schwarze 891: case LIST_enum:
1.1 kristaps 892: (pair->ppair->ppair->count)++;
1.167 schwarze 893: (void)snprintf(buf, sizeof(buf), "%d.",
1.166 schwarze 894: pair->ppair->ppair->count);
1.1 kristaps 895: term_word(p, buf);
896: break;
897: default:
898: break;
899: }
1.12 schwarze 900:
1.166 schwarze 901: /*
1.1 kristaps 902: * If we're not going to process our children, indicate so here.
903: */
904:
905: switch (type) {
1.166 schwarze 906: case LIST_bullet:
907: case LIST_item:
908: case LIST_dash:
909: case LIST_hyphen:
910: case LIST_enum:
1.213 schwarze 911: if (n->type == ROFFT_HEAD)
1.227 schwarze 912: return 0;
1.1 kristaps 913: break;
1.166 schwarze 914: case LIST_column:
1.213 schwarze 915: if (n->type == ROFFT_HEAD)
1.227 schwarze 916: return 0;
1.1 kristaps 917: break;
918: default:
919: break;
920: }
921:
1.227 schwarze 922: return 1;
1.1 kristaps 923: }
924:
925: static void
926: termp_it_post(DECL_ARGS)
927: {
1.82 schwarze 928: enum mdoc_list type;
1.1 kristaps 929:
1.213 schwarze 930: if (n->type == ROFFT_BLOCK)
1.1 kristaps 931: return;
932:
1.121 schwarze 933: type = n->parent->parent->parent->norm->Bl.type;
1.1 kristaps 934:
935: switch (type) {
1.166 schwarze 936: case LIST_item:
937: case LIST_diag:
938: case LIST_inset:
1.213 schwarze 939: if (n->type == ROFFT_BODY)
1.74 schwarze 940: term_newln(p);
1.1 kristaps 941: break;
1.166 schwarze 942: case LIST_column:
1.213 schwarze 943: if (n->type == ROFFT_BODY)
1.1 kristaps 944: term_flushln(p);
945: break;
946: default:
1.74 schwarze 947: term_newln(p);
1.1 kristaps 948: break;
949: }
950:
1.166 schwarze 951: /*
1.68 schwarze 952: * Now that our output is flushed, we can reset our tags. Since
953: * only `It' sets these flags, we're free to assume that nobody
954: * has munged them in the meanwhile.
955: */
956:
1.225 schwarze 957: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.165 schwarze 958: TERMP_DANGLE | TERMP_HANG);
1.152 schwarze 959: p->trailspace = 0;
1.1 kristaps 960: }
961:
962: static int
963: termp_nm_pre(DECL_ARGS)
964: {
1.195 schwarze 965: const char *cp;
1.1 kristaps 966:
1.213 schwarze 967: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 968: p->flags |= TERMP_PREKEEP;
1.227 schwarze 969: return 1;
1.155 schwarze 970: }
1.94 schwarze 971:
1.213 schwarze 972: if (n->type == ROFFT_BODY) {
1.94 schwarze 973: if (NULL == n->child)
1.227 schwarze 974: return 0;
1.136 schwarze 975: p->flags |= TERMP_NOSPACE;
1.195 schwarze 976: cp = NULL;
977: if (n->prev->child != NULL)
978: cp = n->prev->child->string;
979: if (cp == NULL)
980: cp = meta->name;
981: if (cp == NULL)
982: p->offset += term_len(p, 6);
983: else
984: p->offset += term_len(p, 1) + term_strlen(p, cp);
1.227 schwarze 985: return 1;
1.94 schwarze 986: }
987:
1.242 schwarze 988: if (n->child == NULL)
1.227 schwarze 989: return 0;
1.81 schwarze 990:
1.213 schwarze 991: if (n->type == ROFFT_HEAD)
1.97 schwarze 992: synopsis_pre(p, n->parent);
1.65 schwarze 993:
1.213 schwarze 994: if (n->type == ROFFT_HEAD &&
1.178 schwarze 995: NULL != n->next && NULL != n->next->child) {
1.165 schwarze 996: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.152 schwarze 997: p->trailspace = 1;
1.105 schwarze 998: p->rmargin = p->offset + term_len(p, 1);
999: if (NULL == n->child) {
1.147 schwarze 1000: p->rmargin += term_strlen(p, meta->name);
1.213 schwarze 1001: } else if (n->child->type == ROFFT_TEXT) {
1.105 schwarze 1002: p->rmargin += term_strlen(p, n->child->string);
1003: if (n->child->next)
1004: p->flags |= TERMP_HANG;
1005: } else {
1006: p->rmargin += term_len(p, 5);
1007: p->flags |= TERMP_HANG;
1008: }
1.94 schwarze 1009: }
1010:
1.65 schwarze 1011: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1012: return 1;
1.1 kristaps 1013: }
1014:
1.94 schwarze 1015: static void
1016: termp_nm_post(DECL_ARGS)
1017: {
1018:
1.213 schwarze 1019: if (n->type == ROFFT_BLOCK) {
1.155 schwarze 1020: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.213 schwarze 1021: } else if (n->type == ROFFT_HEAD &&
1.178 schwarze 1022: NULL != n->next && NULL != n->next->child) {
1.94 schwarze 1023: term_flushln(p);
1.165 schwarze 1024: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.152 schwarze 1025: p->trailspace = 0;
1.213 schwarze 1026: } else if (n->type == ROFFT_BODY && n->child != NULL)
1.94 schwarze 1027: term_flushln(p);
1028: }
1029:
1.1 kristaps 1030: static int
1031: termp_fl_pre(DECL_ARGS)
1032: {
1033:
1.219 schwarze 1034: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1035: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1036: term_word(p, "\\-");
1.67 schwarze 1037:
1.230 schwarze 1038: if (!(n->child == NULL &&
1.179 schwarze 1039: (n->next == NULL ||
1.213 schwarze 1040: n->next->type == ROFFT_TEXT ||
1.237 schwarze 1041: n->next->flags & NODE_LINE)))
1.73 schwarze 1042: p->flags |= TERMP_NOSPACE;
1.67 schwarze 1043:
1.227 schwarze 1044: return 1;
1.49 schwarze 1045: }
1046:
1047: static int
1.104 schwarze 1048: termp__a_pre(DECL_ARGS)
1049: {
1050:
1051: if (n->prev && MDOC__A == n->prev->tok)
1052: if (NULL == n->next || MDOC__A != n->next->tok)
1053: term_word(p, "and");
1054:
1.227 schwarze 1055: return 1;
1.104 schwarze 1056: }
1057:
1058: static int
1.49 schwarze 1059: termp_an_pre(DECL_ARGS)
1060: {
1061:
1.181 schwarze 1062: if (n->norm->An.auth == AUTH_split) {
1063: p->flags &= ~TERMP_NOSPLIT;
1064: p->flags |= TERMP_SPLIT;
1.227 schwarze 1065: return 0;
1.181 schwarze 1066: }
1067: if (n->norm->An.auth == AUTH_nosplit) {
1068: p->flags &= ~TERMP_SPLIT;
1069: p->flags |= TERMP_NOSPLIT;
1.227 schwarze 1070: return 0;
1.181 schwarze 1071: }
1.166 schwarze 1072:
1.181 schwarze 1073: if (p->flags & TERMP_SPLIT)
1.49 schwarze 1074: term_newln(p);
1075:
1.181 schwarze 1076: if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
1077: p->flags |= TERMP_SPLIT;
1.49 schwarze 1078:
1.227 schwarze 1079: return 1;
1.1 kristaps 1080: }
1081:
1082: static int
1083: termp_ns_pre(DECL_ARGS)
1084: {
1085:
1.237 schwarze 1086: if ( ! (NODE_LINE & n->flags))
1.127 schwarze 1087: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1088: return 1;
1.1 kristaps 1089: }
1090:
1091: static int
1092: termp_rs_pre(DECL_ARGS)
1093: {
1094:
1.60 schwarze 1095: if (SEC_SEE_ALSO != n->sec)
1.227 schwarze 1096: return 1;
1.213 schwarze 1097: if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1 kristaps 1098: term_vspace(p);
1.227 schwarze 1099: return 1;
1.1 kristaps 1100: }
1101:
1102: static int
1103: termp_ex_pre(DECL_ARGS)
1104: {
1.132 schwarze 1105: term_newln(p);
1.240 schwarze 1106: return 1;
1.1 kristaps 1107: }
1108:
1109: static int
1110: termp_nd_pre(DECL_ARGS)
1111: {
1.25 schwarze 1112:
1.213 schwarze 1113: if (n->type == ROFFT_BODY)
1.196 schwarze 1114: term_word(p, "\\(en");
1.227 schwarze 1115: return 1;
1.1 kristaps 1116: }
1117:
1.73 schwarze 1118: static int
1119: termp_bl_pre(DECL_ARGS)
1120: {
1121:
1.227 schwarze 1122: return n->type != ROFFT_HEAD;
1.73 schwarze 1123: }
1124:
1.1 kristaps 1125: static void
1126: termp_bl_post(DECL_ARGS)
1127: {
1128:
1.213 schwarze 1129: if (n->type == ROFFT_BLOCK)
1.1 kristaps 1130: term_newln(p);
1131: }
1132:
1133: static int
1134: termp_xr_pre(DECL_ARGS)
1135: {
1136:
1.132 schwarze 1137: if (NULL == (n = n->child))
1.227 schwarze 1138: return 0;
1.72 schwarze 1139:
1.213 schwarze 1140: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1141: term_word(p, n->string);
1.10 schwarze 1142:
1.166 schwarze 1143: if (NULL == (n = n->next))
1.227 schwarze 1144: return 0;
1.132 schwarze 1145:
1.1 kristaps 1146: p->flags |= TERMP_NOSPACE;
1147: term_word(p, "(");
1.132 schwarze 1148: p->flags |= TERMP_NOSPACE;
1149:
1.213 schwarze 1150: assert(n->type == ROFFT_TEXT);
1.132 schwarze 1151: term_word(p, n->string);
1152:
1153: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1154: term_word(p, ")");
1.60 schwarze 1155:
1.227 schwarze 1156: return 0;
1.1 kristaps 1157: }
1158:
1.86 schwarze 1159: /*
1160: * This decides how to assert whitespace before any of the SYNOPSIS set
1161: * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
1162: * macro combos).
1163: */
1164: static void
1.214 schwarze 1165: synopsis_pre(struct termp *p, const struct roff_node *n)
1.86 schwarze 1166: {
1.166 schwarze 1167: /*
1.86 schwarze 1168: * Obviously, if we're not in a SYNOPSIS or no prior macros
1169: * exist, do nothing.
1170: */
1.237 schwarze 1171: if (NULL == n->prev || ! (NODE_SYNPRETTY & n->flags))
1.86 schwarze 1172: return;
1173:
1174: /*
1175: * If we're the second in a pair of like elements, emit our
1176: * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which
1177: * case we soldier on.
1178: */
1.166 schwarze 1179: if (n->prev->tok == n->tok &&
1180: MDOC_Ft != n->tok &&
1181: MDOC_Fo != n->tok &&
1182: MDOC_Fn != n->tok) {
1.86 schwarze 1183: term_newln(p);
1184: return;
1185: }
1186:
1187: /*
1188: * If we're one of the SYNOPSIS set and non-like pair-wise after
1189: * another (or Fn/Fo, which we've let slip through) then assert
1190: * vertical space, else only newline and move on.
1191: */
1192: switch (n->prev->tok) {
1.166 schwarze 1193: case MDOC_Fd:
1194: case MDOC_Fn:
1195: case MDOC_Fo:
1196: case MDOC_In:
1197: case MDOC_Vt:
1.86 schwarze 1198: term_vspace(p);
1199: break;
1.166 schwarze 1200: case MDOC_Ft:
1.86 schwarze 1201: if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
1202: term_vspace(p);
1203: break;
1204: }
1205: /* FALLTHROUGH */
1206: default:
1207: term_newln(p);
1208: break;
1209: }
1210: }
1211:
1.69 schwarze 1212: static int
1213: termp_vt_pre(DECL_ARGS)
1214: {
1215:
1.213 schwarze 1216: if (n->type == ROFFT_ELEM) {
1.86 schwarze 1217: synopsis_pre(p, n);
1.227 schwarze 1218: return termp_under_pre(p, pair, meta, n);
1.213 schwarze 1219: } else if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1220: synopsis_pre(p, n);
1.227 schwarze 1221: return 1;
1.213 schwarze 1222: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1223: return 0;
1.69 schwarze 1224:
1.227 schwarze 1225: return termp_under_pre(p, pair, meta, n);
1.69 schwarze 1226: }
1227:
1.1 kristaps 1228: static int
1.54 schwarze 1229: termp_bold_pre(DECL_ARGS)
1.1 kristaps 1230: {
1231:
1.219 schwarze 1232: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1233: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1234: return 1;
1.1 kristaps 1235: }
1236:
1.86 schwarze 1237: static int
1238: termp_fd_pre(DECL_ARGS)
1.1 kristaps 1239: {
1240:
1.86 schwarze 1241: synopsis_pre(p, n);
1.227 schwarze 1242: return termp_bold_pre(p, pair, meta, n);
1.1 kristaps 1243: }
1244:
1.143 schwarze 1245: static void
1246: termp_fd_post(DECL_ARGS)
1247: {
1248:
1249: term_newln(p);
1250: }
1251:
1.1 kristaps 1252: static int
1253: termp_sh_pre(DECL_ARGS)
1254: {
1.60 schwarze 1255:
1256: switch (n->type) {
1.213 schwarze 1257: case ROFFT_BLOCK:
1.192 schwarze 1258: /*
1259: * Vertical space before sections, except
1260: * when the previous section was empty.
1261: */
1262: if (n->prev == NULL ||
1.221 schwarze 1263: n->prev->tok != MDOC_Sh ||
1.192 schwarze 1264: (n->prev->body != NULL &&
1265: n->prev->body->child != NULL))
1266: term_vspace(p);
1.52 schwarze 1267: break;
1.213 schwarze 1268: case ROFFT_HEAD:
1.65 schwarze 1269: term_fontpush(p, TERMFONT_BOLD);
1.1 kristaps 1270: break;
1.213 schwarze 1271: case ROFFT_BODY:
1.140 schwarze 1272: p->offset = term_len(p, p->defindent);
1.221 schwarze 1273: switch (n->sec) {
1274: case SEC_DESCRIPTION:
1275: fn_prio = 0;
1276: break;
1277: case SEC_AUTHORS:
1.141 schwarze 1278: p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.221 schwarze 1279: break;
1280: default:
1281: break;
1282: }
1.1 kristaps 1283: break;
1284: default:
1285: break;
1286: }
1.227 schwarze 1287: return 1;
1.1 kristaps 1288: }
1289:
1290: static void
1291: termp_sh_post(DECL_ARGS)
1292: {
1293:
1.60 schwarze 1294: switch (n->type) {
1.213 schwarze 1295: case ROFFT_HEAD:
1.1 kristaps 1296: term_newln(p);
1297: break;
1.213 schwarze 1298: case ROFFT_BODY:
1.1 kristaps 1299: term_newln(p);
1300: p->offset = 0;
1301: break;
1302: default:
1303: break;
1304: }
1305: }
1306:
1307: static void
1308: termp_lb_post(DECL_ARGS)
1309: {
1310:
1.237 schwarze 1311: if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.57 schwarze 1312: term_newln(p);
1.1 kristaps 1313: }
1314:
1315: static int
1316: termp_d1_pre(DECL_ARGS)
1317: {
1318:
1.213 schwarze 1319: if (n->type != ROFFT_BLOCK)
1.227 schwarze 1320: return 1;
1.1 kristaps 1321: term_newln(p);
1.140 schwarze 1322: p->offset += term_len(p, p->defindent + 1);
1.227 schwarze 1323: return 1;
1.1 kristaps 1324: }
1325:
1326: static int
1327: termp_ft_pre(DECL_ARGS)
1328: {
1329:
1.237 schwarze 1330: /* NB: NODE_LINE does not effect this! */
1.86 schwarze 1331: synopsis_pre(p, n);
1.65 schwarze 1332: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1333: return 1;
1.1 kristaps 1334: }
1335:
1336: static int
1337: termp_fn_pre(DECL_ARGS)
1338: {
1.159 schwarze 1339: size_t rmargin = 0;
1.132 schwarze 1340: int pretty;
1341:
1.237 schwarze 1342: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1343:
1.86 schwarze 1344: synopsis_pre(p, n);
1.85 schwarze 1345:
1.132 schwarze 1346: if (NULL == (n = n->child))
1.227 schwarze 1347: return 0;
1.132 schwarze 1348:
1.153 schwarze 1349: if (pretty) {
1350: rmargin = p->rmargin;
1.159 schwarze 1351: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1352: p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.153 schwarze 1353: }
1354:
1.213 schwarze 1355: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1356: term_fontpush(p, TERMFONT_BOLD);
1.132 schwarze 1357: term_word(p, n->string);
1.65 schwarze 1358: term_fontpop(p);
1.1 kristaps 1359:
1.235 schwarze 1360: if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.223 schwarze 1361: tag_put(n->string, ++fn_prio, p->line);
1.221 schwarze 1362:
1.153 schwarze 1363: if (pretty) {
1364: term_flushln(p);
1.165 schwarze 1365: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.153 schwarze 1366: p->offset = p->rmargin;
1367: p->rmargin = rmargin;
1368: }
1369:
1.1 kristaps 1370: p->flags |= TERMP_NOSPACE;
1371: term_word(p, "(");
1.132 schwarze 1372: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1373:
1.132 schwarze 1374: for (n = n->next; n; n = n->next) {
1.213 schwarze 1375: assert(n->type == ROFFT_TEXT);
1.65 schwarze 1376: term_fontpush(p, TERMFONT_UNDER);
1.157 schwarze 1377: if (pretty)
1378: p->flags |= TERMP_NBRWORD;
1.132 schwarze 1379: term_word(p, n->string);
1.65 schwarze 1380: term_fontpop(p);
1381:
1.132 schwarze 1382: if (n->next) {
1383: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1384: term_word(p, ",");
1.132 schwarze 1385: }
1.1 kristaps 1386: }
1387:
1.132 schwarze 1388: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1389: term_word(p, ")");
1390:
1.132 schwarze 1391: if (pretty) {
1392: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1393: term_word(p, ";");
1.153 schwarze 1394: term_flushln(p);
1.132 schwarze 1395: }
1.1 kristaps 1396:
1.227 schwarze 1397: return 0;
1.1 kristaps 1398: }
1399:
1400: static int
1401: termp_fa_pre(DECL_ARGS)
1402: {
1.214 schwarze 1403: const struct roff_node *nn;
1.1 kristaps 1404:
1.60 schwarze 1405: if (n->parent->tok != MDOC_Fo) {
1.65 schwarze 1406: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 1407: return 1;
1.1 kristaps 1408: }
1409:
1.60 schwarze 1410: for (nn = n->child; nn; nn = nn->next) {
1.65 schwarze 1411: term_fontpush(p, TERMFONT_UNDER);
1.160 schwarze 1412: p->flags |= TERMP_NBRWORD;
1.60 schwarze 1413: term_word(p, nn->string);
1.65 schwarze 1414: term_fontpop(p);
1415:
1.158 schwarze 1416: if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.132 schwarze 1417: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1418: term_word(p, ",");
1.132 schwarze 1419: }
1.1 kristaps 1420: }
1421:
1.227 schwarze 1422: return 0;
1.1 kristaps 1423: }
1424:
1425: static int
1426: termp_bd_pre(DECL_ARGS)
1427: {
1.174 schwarze 1428: size_t tabwidth, lm, len, rm, rmax;
1.214 schwarze 1429: struct roff_node *nn;
1.201 schwarze 1430: int offset;
1.1 kristaps 1431:
1.213 schwarze 1432: if (n->type == ROFFT_BLOCK) {
1.61 schwarze 1433: print_bvspace(p, n, n);
1.227 schwarze 1434: return 1;
1.213 schwarze 1435: } else if (n->type == ROFFT_HEAD)
1.227 schwarze 1436: return 0;
1.1 kristaps 1437:
1.187 schwarze 1438: /* Handle the -offset argument. */
1439:
1440: if (n->norm->Bd.offs == NULL ||
1441: ! strcmp(n->norm->Bd.offs, "left"))
1442: /* nothing */;
1443: else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1444: p->offset += term_len(p, p->defindent + 1);
1445: else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1446: p->offset += term_len(p, (p->defindent + 1) * 2);
1.201 schwarze 1447: else {
1448: offset = a2width(p, n->norm->Bd.offs);
1449: if (offset < 0 && (size_t)(-offset) > p->offset)
1450: p->offset = 0;
1451: else if (offset < SHRT_MAX)
1452: p->offset += offset;
1453: }
1.60 schwarze 1454:
1455: /*
1456: * If -ragged or -filled are specified, the block does nothing
1457: * but change the indentation. If -unfilled or -literal are
1458: * specified, text is printed exactly as entered in the display:
1459: * for macro lines, a newline is appended to the line. Blank
1460: * lines are allowed.
1461: */
1.166 schwarze 1462:
1463: if (DISP_literal != n->norm->Bd.type &&
1.174 schwarze 1464: DISP_unfilled != n->norm->Bd.type &&
1465: DISP_centered != n->norm->Bd.type)
1.227 schwarze 1466: return 1;
1.1 kristaps 1467:
1.75 schwarze 1468: tabwidth = p->tabwidth;
1.123 schwarze 1469: if (DISP_literal == n->norm->Bd.type)
1470: p->tabwidth = term_len(p, 8);
1471:
1.174 schwarze 1472: lm = p->offset;
1.77 schwarze 1473: rm = p->rmargin;
1474: rmax = p->maxrmargin;
1475: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1476:
1.60 schwarze 1477: for (nn = n->child; nn; nn = nn->next) {
1.174 schwarze 1478: if (DISP_centered == n->norm->Bd.type) {
1.213 schwarze 1479: if (nn->type == ROFFT_TEXT) {
1.174 schwarze 1480: len = term_strlen(p, nn->string);
1481: p->offset = len >= rm ? 0 :
1482: lm + len >= rm ? rm - len :
1483: (lm + rm - len) / 2;
1484: } else
1485: p->offset = lm;
1486: }
1.147 schwarze 1487: print_mdoc_node(p, pair, meta, nn);
1.108 schwarze 1488: /*
1489: * If the printed node flushes its own line, then we
1490: * needn't do it here as well. This is hacky, but the
1491: * notion of selective eoln whitespace is pretty dumb
1492: * anyway, so don't sweat it.
1493: */
1494: switch (nn->tok) {
1.254 ! schwarze 1495: case ROFF_br:
! 1496: case ROFF_sp:
1.166 schwarze 1497: case MDOC_Sm:
1498: case MDOC_Bl:
1499: case MDOC_D1:
1500: case MDOC_Dl:
1501: case MDOC_Lp:
1502: case MDOC_Pp:
1.108 schwarze 1503: continue;
1504: default:
1505: break;
1506: }
1.198 schwarze 1507: if (p->flags & TERMP_NONEWLINE ||
1.237 schwarze 1508: (nn->next && ! (nn->next->flags & NODE_LINE)))
1.100 schwarze 1509: continue;
1510: term_flushln(p);
1.48 schwarze 1511: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1512: }
1.88 schwarze 1513:
1.75 schwarze 1514: p->tabwidth = tabwidth;
1.77 schwarze 1515: p->rmargin = rm;
1516: p->maxrmargin = rmax;
1.227 schwarze 1517: return 0;
1.1 kristaps 1518: }
1519:
1520: static void
1521: termp_bd_post(DECL_ARGS)
1522: {
1.77 schwarze 1523: size_t rm, rmax;
1.1 kristaps 1524:
1.213 schwarze 1525: if (n->type != ROFFT_BODY)
1.1 kristaps 1526: return;
1.77 schwarze 1527:
1528: rm = p->rmargin;
1529: rmax = p->maxrmargin;
1530:
1.166 schwarze 1531: if (DISP_literal == n->norm->Bd.type ||
1532: DISP_unfilled == n->norm->Bd.type)
1.77 schwarze 1533: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1534:
1.48 schwarze 1535: p->flags |= TERMP_NOSPACE;
1.75 schwarze 1536: term_newln(p);
1.77 schwarze 1537:
1538: p->rmargin = rm;
1539: p->maxrmargin = rmax;
1.1 kristaps 1540: }
1541:
1542: static int
1.26 schwarze 1543: termp_xx_pre(DECL_ARGS)
1.1 kristaps 1544: {
1.238 schwarze 1545: if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
1546: p->flags |= TERMP_PREKEEP;
1547: return 1;
1548: }
1.1 kristaps 1549:
1.238 schwarze 1550: static void
1551: termp_xx_post(DECL_ARGS)
1552: {
1553: if (n->aux == 0)
1554: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1 kristaps 1555: }
1556:
1557: static void
1558: termp_pf_post(DECL_ARGS)
1559: {
1560:
1.237 schwarze 1561: if ( ! (n->next == NULL || n->next->flags & NODE_LINE))
1.197 schwarze 1562: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1563: }
1564:
1565: static int
1566: termp_ss_pre(DECL_ARGS)
1567: {
1.236 schwarze 1568: struct roff_node *nn;
1.1 kristaps 1569:
1.60 schwarze 1570: switch (n->type) {
1.213 schwarze 1571: case ROFFT_BLOCK:
1.1 kristaps 1572: term_newln(p);
1.236 schwarze 1573: for (nn = n->prev; nn != NULL; nn = nn->prev)
1574: if ((nn->flags & NODE_NOPRT) == 0)
1575: break;
1576: if (nn != NULL)
1.1 kristaps 1577: term_vspace(p);
1578: break;
1.213 schwarze 1579: case ROFFT_HEAD:
1.65 schwarze 1580: term_fontpush(p, TERMFONT_BOLD);
1.140 schwarze 1581: p->offset = term_len(p, (p->defindent+1)/2);
1.1 kristaps 1582: break;
1.213 schwarze 1583: case ROFFT_BODY:
1.176 schwarze 1584: p->offset = term_len(p, p->defindent);
1585: break;
1.1 kristaps 1586: default:
1587: break;
1588: }
1589:
1.227 schwarze 1590: return 1;
1.1 kristaps 1591: }
1592:
1593: static void
1594: termp_ss_post(DECL_ARGS)
1595: {
1596:
1.213 schwarze 1597: if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1 kristaps 1598: term_newln(p);
1599: }
1600:
1601: static int
1602: termp_cd_pre(DECL_ARGS)
1603: {
1604:
1.86 schwarze 1605: synopsis_pre(p, n);
1.65 schwarze 1606: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 1607: return 1;
1.1 kristaps 1608: }
1609:
1610: static int
1611: termp_in_pre(DECL_ARGS)
1612: {
1613:
1.86 schwarze 1614: synopsis_pre(p, n);
1.85 schwarze 1615:
1.237 schwarze 1616: if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.85 schwarze 1617: term_fontpush(p, TERMFONT_BOLD);
1.23 schwarze 1618: term_word(p, "#include");
1.85 schwarze 1619: term_word(p, "<");
1620: } else {
1621: term_word(p, "<");
1622: term_fontpush(p, TERMFONT_UNDER);
1623: }
1.23 schwarze 1624:
1.1 kristaps 1625: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1626: return 1;
1.1 kristaps 1627: }
1628:
1629: static void
1630: termp_in_post(DECL_ARGS)
1631: {
1632:
1.237 schwarze 1633: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1634: term_fontpush(p, TERMFONT_BOLD);
1635:
1.59 schwarze 1636: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1637: term_word(p, ">");
1638:
1.237 schwarze 1639: if (NODE_SYNPRETTY & n->flags)
1.85 schwarze 1640: term_fontpop(p);
1.38 schwarze 1641: }
1642:
1643: static int
1.254 ! schwarze 1644: termp_pp_pre(DECL_ARGS)
1.38 schwarze 1645: {
1.254 ! schwarze 1646: fn_prio = 0;
! 1647: term_vspace(p);
1.227 schwarze 1648: return 0;
1.38 schwarze 1649: }
1650:
1651: static int
1.193 schwarze 1652: termp_skip_pre(DECL_ARGS)
1.170 schwarze 1653: {
1654:
1.227 schwarze 1655: return 0;
1.170 schwarze 1656: }
1657:
1658: static int
1.107 schwarze 1659: termp_quote_pre(DECL_ARGS)
1.1 kristaps 1660: {
1661:
1.213 schwarze 1662: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.227 schwarze 1663: return 1;
1.1 kristaps 1664:
1.107 schwarze 1665: switch (n->tok) {
1.166 schwarze 1666: case MDOC_Ao:
1667: case MDOC_Aq:
1.230 schwarze 1668: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1669: n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.107 schwarze 1670: break;
1.166 schwarze 1671: case MDOC_Bro:
1672: case MDOC_Brq:
1.107 schwarze 1673: term_word(p, "{");
1674: break;
1.166 schwarze 1675: case MDOC_Oo:
1676: case MDOC_Op:
1677: case MDOC_Bo:
1678: case MDOC_Bq:
1.107 schwarze 1679: term_word(p, "[");
1680: break;
1.245 schwarze 1681: case MDOC__T:
1682: /* FALLTHROUGH */
1.166 schwarze 1683: case MDOC_Do:
1684: case MDOC_Dq:
1.210 schwarze 1685: term_word(p, "\\(Lq");
1.107 schwarze 1686: break;
1.170 schwarze 1687: case MDOC_En:
1688: if (NULL == n->norm->Es ||
1689: NULL == n->norm->Es->child)
1.227 schwarze 1690: return 1;
1.170 schwarze 1691: term_word(p, n->norm->Es->child->string);
1692: break;
1.166 schwarze 1693: case MDOC_Po:
1694: case MDOC_Pq:
1.107 schwarze 1695: term_word(p, "(");
1696: break;
1.166 schwarze 1697: case MDOC_Qo:
1698: case MDOC_Qq:
1.107 schwarze 1699: term_word(p, "\"");
1700: break;
1.166 schwarze 1701: case MDOC_Ql:
1702: case MDOC_So:
1703: case MDOC_Sq:
1.151 schwarze 1704: term_word(p, "\\(oq");
1.107 schwarze 1705: break;
1706: default:
1707: abort();
1708: }
1.1 kristaps 1709:
1710: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1711: return 1;
1.1 kristaps 1712: }
1713:
1714: static void
1.107 schwarze 1715: termp_quote_post(DECL_ARGS)
1.1 kristaps 1716: {
1717:
1.213 schwarze 1718: if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1 kristaps 1719: return;
1720:
1.205 schwarze 1721: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1722:
1.107 schwarze 1723: switch (n->tok) {
1.166 schwarze 1724: case MDOC_Ao:
1725: case MDOC_Aq:
1.230 schwarze 1726: term_word(p, n->child != NULL && n->child->next == NULL &&
1.202 schwarze 1727: n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.107 schwarze 1728: break;
1.166 schwarze 1729: case MDOC_Bro:
1730: case MDOC_Brq:
1.107 schwarze 1731: term_word(p, "}");
1732: break;
1.166 schwarze 1733: case MDOC_Oo:
1734: case MDOC_Op:
1735: case MDOC_Bo:
1736: case MDOC_Bq:
1.107 schwarze 1737: term_word(p, "]");
1738: break;
1.245 schwarze 1739: case MDOC__T:
1740: /* FALLTHROUGH */
1.166 schwarze 1741: case MDOC_Do:
1742: case MDOC_Dq:
1.210 schwarze 1743: term_word(p, "\\(Rq");
1.170 schwarze 1744: break;
1745: case MDOC_En:
1.205 schwarze 1746: if (n->norm->Es == NULL ||
1747: n->norm->Es->child == NULL ||
1748: n->norm->Es->child->next == NULL)
1749: p->flags &= ~TERMP_NOSPACE;
1750: else
1.170 schwarze 1751: term_word(p, n->norm->Es->child->next->string);
1.107 schwarze 1752: break;
1.166 schwarze 1753: case MDOC_Po:
1754: case MDOC_Pq:
1.107 schwarze 1755: term_word(p, ")");
1756: break;
1.166 schwarze 1757: case MDOC_Qo:
1758: case MDOC_Qq:
1.107 schwarze 1759: term_word(p, "\"");
1760: break;
1.166 schwarze 1761: case MDOC_Ql:
1762: case MDOC_So:
1763: case MDOC_Sq:
1.151 schwarze 1764: term_word(p, "\\(cq");
1.107 schwarze 1765: break;
1766: default:
1767: abort();
1768: }
1.205 schwarze 1769: }
1770:
1771: static int
1772: termp_eo_pre(DECL_ARGS)
1773: {
1774:
1.213 schwarze 1775: if (n->type != ROFFT_BODY)
1.227 schwarze 1776: return 1;
1.205 schwarze 1777:
1778: if (n->end == ENDBODY_NOT &&
1779: n->parent->head->child == NULL &&
1780: n->child != NULL &&
1781: n->child->end != ENDBODY_NOT)
1782: term_word(p, "\\&");
1783: else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.208 schwarze 1784: n->parent->head->child != NULL && (n->child != NULL ||
1785: (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.205 schwarze 1786: p->flags |= TERMP_NOSPACE;
1787:
1.227 schwarze 1788: return 1;
1.205 schwarze 1789: }
1790:
1791: static void
1792: termp_eo_post(DECL_ARGS)
1793: {
1794: int body, tail;
1795:
1.213 schwarze 1796: if (n->type != ROFFT_BODY)
1.205 schwarze 1797: return;
1798:
1799: if (n->end != ENDBODY_NOT) {
1800: p->flags &= ~TERMP_NOSPACE;
1801: return;
1802: }
1803:
1804: body = n->child != NULL || n->parent->head->child != NULL;
1805: tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
1806:
1807: if (body && tail)
1808: p->flags |= TERMP_NOSPACE;
1809: else if ( ! (body || tail))
1810: term_word(p, "\\&");
1811: else if ( ! tail)
1812: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1813: }
1814:
1815: static int
1816: termp_fo_pre(DECL_ARGS)
1817: {
1.159 schwarze 1818: size_t rmargin = 0;
1.158 schwarze 1819: int pretty;
1820:
1.237 schwarze 1821: pretty = NODE_SYNPRETTY & n->flags;
1.1 kristaps 1822:
1.213 schwarze 1823: if (n->type == ROFFT_BLOCK) {
1.86 schwarze 1824: synopsis_pre(p, n);
1.227 schwarze 1825: return 1;
1.213 schwarze 1826: } else if (n->type == ROFFT_BODY) {
1.158 schwarze 1827: if (pretty) {
1828: rmargin = p->rmargin;
1.159 schwarze 1829: p->rmargin = p->offset + term_len(p, 4);
1.165 schwarze 1830: p->flags |= TERMP_NOBREAK | TERMP_BRIND |
1831: TERMP_HANG;
1.158 schwarze 1832: }
1.31 schwarze 1833: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1834: term_word(p, "(");
1.132 schwarze 1835: p->flags |= TERMP_NOSPACE;
1.158 schwarze 1836: if (pretty) {
1837: term_flushln(p);
1.165 schwarze 1838: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
1839: TERMP_HANG);
1.158 schwarze 1840: p->offset = p->rmargin;
1841: p->rmargin = rmargin;
1842: }
1.227 schwarze 1843: return 1;
1.158 schwarze 1844: }
1.85 schwarze 1845:
1.95 schwarze 1846: if (NULL == n->child)
1.227 schwarze 1847: return 0;
1.95 schwarze 1848:
1.85 schwarze 1849: /* XXX: we drop non-initial arguments as per groff. */
1.1 kristaps 1850:
1.85 schwarze 1851: assert(n->child->string);
1.65 schwarze 1852: term_fontpush(p, TERMFONT_BOLD);
1.85 schwarze 1853: term_word(p, n->child->string);
1.227 schwarze 1854: return 0;
1.1 kristaps 1855: }
1856:
1857: static void
1858: termp_fo_post(DECL_ARGS)
1859: {
1860:
1.213 schwarze 1861: if (n->type != ROFFT_BODY)
1.86 schwarze 1862: return;
1863:
1.132 schwarze 1864: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1865: term_word(p, ")");
1866:
1.237 schwarze 1867: if (NODE_SYNPRETTY & n->flags) {
1.132 schwarze 1868: p->flags |= TERMP_NOSPACE;
1.86 schwarze 1869: term_word(p, ";");
1.158 schwarze 1870: term_flushln(p);
1.132 schwarze 1871: }
1.1 kristaps 1872: }
1873:
1874: static int
1875: termp_bf_pre(DECL_ARGS)
1876: {
1877:
1.213 schwarze 1878: if (n->type == ROFFT_HEAD)
1.227 schwarze 1879: return 0;
1.213 schwarze 1880: else if (n->type != ROFFT_BODY)
1.227 schwarze 1881: return 1;
1.1 kristaps 1882:
1.166 schwarze 1883: if (FONT_Em == n->norm->Bf.font)
1.65 schwarze 1884: term_fontpush(p, TERMFONT_UNDER);
1.166 schwarze 1885: else if (FONT_Sy == n->norm->Bf.font)
1.65 schwarze 1886: term_fontpush(p, TERMFONT_BOLD);
1.166 schwarze 1887: else
1.65 schwarze 1888: term_fontpush(p, TERMFONT_NONE);
1.1 kristaps 1889:
1.227 schwarze 1890: return 1;
1.1 kristaps 1891: }
1892:
1893: static int
1894: termp_sm_pre(DECL_ARGS)
1895: {
1896:
1.171 schwarze 1897: if (NULL == n->child)
1898: p->flags ^= TERMP_NONOSPACE;
1899: else if (0 == strcmp("on", n->child->string))
1.1 kristaps 1900: p->flags &= ~TERMP_NONOSPACE;
1.171 schwarze 1901: else
1.1 kristaps 1902: p->flags |= TERMP_NONOSPACE;
1.171 schwarze 1903:
1904: if (p->col && ! (TERMP_NONOSPACE & p->flags))
1905: p->flags &= ~TERMP_NOSPACE;
1.1 kristaps 1906:
1.227 schwarze 1907: return 0;
1.1 kristaps 1908: }
1909:
1910: static int
1911: termp_ap_pre(DECL_ARGS)
1912: {
1913:
1914: p->flags |= TERMP_NOSPACE;
1.107 schwarze 1915: term_word(p, "'");
1.1 kristaps 1916: p->flags |= TERMP_NOSPACE;
1.227 schwarze 1917: return 1;
1.1 kristaps 1918: }
1919:
1920: static void
1921: termp____post(DECL_ARGS)
1922: {
1.104 schwarze 1923:
1924: /*
1925: * Handle lists of authors. In general, print each followed by
1926: * a comma. Don't print the comma if there are only two
1927: * authors.
1928: */
1929: if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
1930: if (NULL == n->next->next || MDOC__A != n->next->next->tok)
1931: if (NULL == n->prev || MDOC__A != n->prev->tok)
1932: return;
1.1 kristaps 1933:
1.62 schwarze 1934: /* TODO: %U. */
1935:
1.106 schwarze 1936: if (NULL == n->parent || MDOC_Rs != n->parent->tok)
1937: return;
1938:
1.132 schwarze 1939: p->flags |= TERMP_NOSPACE;
1.106 schwarze 1940: if (NULL == n->next) {
1941: term_word(p, ".");
1942: p->flags |= TERMP_SENTENCE;
1943: } else
1944: term_word(p, ",");
1.1 kristaps 1945: }
1946:
1947: static int
1.65 schwarze 1948: termp_li_pre(DECL_ARGS)
1949: {
1950:
1.234 schwarze 1951: termp_tag_pre(p, pair, meta, n);
1.65 schwarze 1952: term_fontpush(p, TERMFONT_NONE);
1.227 schwarze 1953: return 1;
1.65 schwarze 1954: }
1955:
1956: static int
1.1 kristaps 1957: termp_lk_pre(DECL_ARGS)
1958: {
1.214 schwarze 1959: const struct roff_node *link, *descr;
1.247 schwarze 1960: int display;
1.1 kristaps 1961:
1.248 schwarze 1962: if ((link = n->child) == NULL)
1.227 schwarze 1963: return 0;
1.101 schwarze 1964:
1.248 schwarze 1965: /* Link text. */
1966: if ((descr = link->next) != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 1967: term_fontpush(p, TERMFONT_UNDER);
1.248 schwarze 1968: while (descr != NULL && !(descr->flags & NODE_DELIMC)) {
1.142 schwarze 1969: term_word(p, descr->string);
1970: descr = descr->next;
1971: }
1.246 schwarze 1972: term_fontpop(p);
1.142 schwarze 1973: p->flags |= TERMP_NOSPACE;
1974: term_word(p, ":");
1975: }
1.1 kristaps 1976:
1.248 schwarze 1977: /* Link target. */
1.247 schwarze 1978: display = term_strlen(p, link->string) >= 26;
1979: if (display) {
1980: term_newln(p);
1981: p->offset += term_len(p, p->defindent + 1);
1982: }
1.65 schwarze 1983: term_fontpush(p, TERMFONT_BOLD);
1.142 schwarze 1984: term_word(p, link->string);
1.65 schwarze 1985: term_fontpop(p);
1.247 schwarze 1986:
1.248 schwarze 1987: /* Trailing punctuation. */
1988: while (descr != NULL) {
1989: p->flags |= TERMP_NOSPACE;
1990: term_word(p, descr->string);
1991: descr = descr->next;
1992: }
1.247 schwarze 1993: if (display)
1994: term_newln(p);
1.227 schwarze 1995: return 0;
1.1 kristaps 1996: }
1997:
1.90 schwarze 1998: static int
1999: termp_bk_pre(DECL_ARGS)
2000: {
2001:
1.91 schwarze 2002: switch (n->type) {
1.213 schwarze 2003: case ROFFT_BLOCK:
1.95 schwarze 2004: break;
1.213 schwarze 2005: case ROFFT_HEAD:
1.227 schwarze 2006: return 0;
1.213 schwarze 2007: case ROFFT_BODY:
1.230 schwarze 2008: if (n->parent->args != NULL || n->prev->child == NULL)
1.117 schwarze 2009: p->flags |= TERMP_PREKEEP;
1.95 schwarze 2010: break;
1.91 schwarze 2011: default:
2012: abort();
2013: }
1.95 schwarze 2014:
1.227 schwarze 2015: return 1;
1.90 schwarze 2016: }
2017:
2018: static void
2019: termp_bk_post(DECL_ARGS)
2020: {
2021:
1.213 schwarze 2022: if (n->type == ROFFT_BODY)
1.91 schwarze 2023: p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.90 schwarze 2024: }
1.120 schwarze 2025:
2026: static void
2027: termp__t_post(DECL_ARGS)
2028: {
2029:
2030: /*
2031: * If we're in an `Rs' and there's a journal present, then quote
2032: * us instead of underlining us (for disambiguation).
2033: */
1.121 schwarze 2034: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2035: n->parent->norm->Rs.quote_T)
1.147 schwarze 2036: termp_quote_post(p, pair, meta, n);
1.120 schwarze 2037:
1.147 schwarze 2038: termp____post(p, pair, meta, n);
1.120 schwarze 2039: }
2040:
2041: static int
2042: termp__t_pre(DECL_ARGS)
2043: {
2044:
2045: /*
2046: * If we're in an `Rs' and there's a journal present, then quote
2047: * us instead of underlining us (for disambiguation).
2048: */
1.121 schwarze 2049: if (n->parent && MDOC_Rs == n->parent->tok &&
1.166 schwarze 2050: n->parent->norm->Rs.quote_T)
1.227 schwarze 2051: return termp_quote_pre(p, pair, meta, n);
1.120 schwarze 2052:
2053: term_fontpush(p, TERMFONT_UNDER);
1.227 schwarze 2054: return 1;
1.121 schwarze 2055: }
1.1 kristaps 2056:
2057: static int
1.54 schwarze 2058: termp_under_pre(DECL_ARGS)
1.1 kristaps 2059: {
2060:
1.65 schwarze 2061: term_fontpush(p, TERMFONT_UNDER);
1.233 schwarze 2062: return 1;
2063: }
2064:
2065: static int
2066: termp_em_pre(DECL_ARGS)
2067: {
2068: if (n->child != NULL &&
2069: n->child->type == ROFFT_TEXT)
2070: tag_put(n->child->string, 0, p->line);
2071: term_fontpush(p, TERMFONT_UNDER);
2072: return 1;
2073: }
2074:
2075: static int
2076: termp_sy_pre(DECL_ARGS)
2077: {
2078: if (n->child != NULL &&
2079: n->child->type == ROFFT_TEXT)
2080: tag_put(n->child->string, 0, p->line);
2081: term_fontpush(p, TERMFONT_BOLD);
1.227 schwarze 2082: return 1;
1.222 schwarze 2083: }
2084:
2085: static int
2086: termp_er_pre(DECL_ARGS)
2087: {
2088:
2089: if (n->sec == SEC_ERRORS &&
2090: (n->parent->tok == MDOC_It ||
2091: (n->parent->tok == MDOC_Bq &&
1.223 schwarze 2092: n->parent->parent->parent->tok == MDOC_It)))
2093: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2094: return 1;
1.219 schwarze 2095: }
2096:
2097: static int
2098: termp_tag_pre(DECL_ARGS)
2099: {
2100:
2101: if (n->child != NULL &&
2102: n->child->type == ROFFT_TEXT &&
1.232 schwarze 2103: (n->prev == NULL ||
2104: (n->prev->type == ROFFT_TEXT &&
2105: strcmp(n->prev->string, "|") == 0)) &&
1.219 schwarze 2106: (n->parent->tok == MDOC_It ||
2107: (n->parent->tok == MDOC_Xo &&
2108: n->parent->parent->prev == NULL &&
1.223 schwarze 2109: n->parent->parent->parent->tok == MDOC_It)))
2110: tag_put(n->child->string, 1, p->line);
1.227 schwarze 2111: return 1;
1.1 kristaps 2112: }
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