[BACK]Return to mdoc_term.c CVS log [TXT][DIR] Up to [cvsweb.bsd.lv] / mandoc

Annotation of mandoc/mdoc_term.c, Revision 1.312

1.312   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.311 2015/02/17 20:37:17 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.303     schwarze    4:  * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.256     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
1.6       kristaps    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:  *
1.6       kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     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:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.125     kristaps   31: #include "mandoc.h"
1.266     schwarze   32: #include "mandoc_aux.h"
1.92      kristaps   33: #include "out.h"
1.1       kristaps   34: #include "term.h"
                     35: #include "mdoc.h"
1.89      kristaps   36: #include "main.h"
1.1       kristaps   37:
                     38: struct termpair {
                     39:        struct termpair  *ppair;
1.31      kristaps   40:        int               count;
1.1       kristaps   41: };
                     42:
1.31      kristaps   43: #define        DECL_ARGS struct termp *p, \
                     44:                  struct termpair *pair, \
1.264     schwarze   45:                  const struct mdoc_meta *meta, \
1.244     schwarze   46:                  struct mdoc_node *n
1.1       kristaps   47:
                     48: struct termact {
                     49:        int     (*pre)(DECL_ARGS);
                     50:        void    (*post)(DECL_ARGS);
                     51: };
                     52:
1.302     schwarze   53: static int       a2width(const struct termp *, const char *);
1.96      kristaps   54:
                     55: static void      print_bvspace(struct termp *,
1.151     kristaps   56:                        const struct mdoc_node *,
1.96      kristaps   57:                        const struct mdoc_node *);
1.264     schwarze   58: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   59: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   60: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   61: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   62: static void      synopsis_pre(struct termp *,
1.143     kristaps   63:                        const struct mdoc_node *);
1.96      kristaps   64:
1.31      kristaps   65: static void      termp____post(DECL_ARGS);
1.203     kristaps   66: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   67: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   68: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   70: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   71: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   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);
1.164     schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   78: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
                     81:
1.184     kristaps   82: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   83: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   84: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   85: static int       termp_ap_pre(DECL_ARGS);
                     86: static int       termp_bd_pre(DECL_ARGS);
                     87: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   88: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   89: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   90: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   91: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   92: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_cd_pre(DECL_ARGS);
                     94: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   95: static int       termp_eo_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
                    103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  105: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  106: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  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);
1.188     kristaps  111: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_rs_pre(DECL_ARGS);
                    113: static int       termp_rv_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  115: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  117: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  118: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  119: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  121: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_xr_pre(DECL_ARGS);
                    123: static int       termp_xx_pre(DECL_ARGS);
                    124:
1.70      kristaps  125: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  126:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  127:        { NULL, NULL }, /* Dd */
                    128:        { NULL, NULL }, /* Dt */
                    129:        { NULL, NULL }, /* Os */
                    130:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  131:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    132:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  133:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    134:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  135:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    136:        { NULL, NULL }, /* Ed */
1.115     kristaps  137:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  138:        { NULL, NULL }, /* El */
                    139:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  140:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  141:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  142:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  143:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  144:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  145:        { NULL, NULL }, /* Dv */
                    146:        { NULL, NULL }, /* Er */
                    147:        { NULL, NULL }, /* Ev */
1.1       kristaps  148:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  149:        { termp_fa_pre, NULL }, /* Fa */
                    150:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  151:        { termp_fl_pre, NULL }, /* Fl */
1.264     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 */
1.102     kristaps  156:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  157:        { termp_nd_pre, NULL }, /* Nd */
                    158:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  159:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  160:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  161:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  162:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  163:        { NULL, NULL }, /* St */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  165:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  166:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  167:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  169:        { NULL, termp____post }, /* %D */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  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 */
1.203     kristaps  176:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  177:        { NULL, termp____post }, /* %V */
                    178:        { NULL, NULL }, /* Ac */
1.188     kristaps  179:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    180:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  181:        { NULL, NULL }, /* At */
1.1       kristaps  182:        { NULL, NULL }, /* Bc */
1.264     schwarze  183:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  184:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    185:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  186:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  187:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  188:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  189:        { NULL, NULL }, /* Dc */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Do */
                    191:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  192:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  193:        { NULL, NULL }, /* Ef */
1.264     schwarze  194:        { termp_under_pre, NULL }, /* Em */
1.306     schwarze  195:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  196:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  197:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  198:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  199:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  200:        { termp_xx_pre, NULL }, /* Nx */
                    201:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  202:        { NULL, NULL }, /* Pc */
1.254     schwarze  203:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  204:        { termp_quote_pre, termp_quote_post }, /* Po */
                    205:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  206:        { NULL, NULL }, /* Qc */
1.188     kristaps  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 */
1.188     kristaps  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 */
1.69      kristaps  216:        { termp_under_pre, NULL }, /* Sx */
                    217:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  218:        { NULL, NULL }, /* Tn */
1.26      kristaps  219:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  220:        { NULL, NULL }, /* Xc */
                    221:        { NULL, NULL }, /* Xo */
1.264     schwarze  222:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    223:        { NULL, NULL }, /* Fc */
1.188     kristaps  224:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  225:        { NULL, NULL }, /* Oc */
1.159     schwarze  226:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  227:        { NULL, NULL }, /* Ek */
                    228:        { termp_bt_pre, NULL }, /* Bt */
                    229:        { NULL, NULL }, /* Hf */
1.268     schwarze  230:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  231:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  232:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  233:        { termp_sp_pre, NULL }, /* Lp */
                    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 */
1.294     schwarze  240:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  241:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  242:        { termp_xx_pre, NULL }, /* Dx */
                    243:        { NULL, termp____post }, /* %Q */
1.76      kristaps  244:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  245:        { termp_sp_pre, NULL }, /* sp */
                    246:        { NULL, termp____post }, /* %U */
                    247:        { NULL, NULL }, /* Ta */
1.260     schwarze  248:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  249: };
                    250:
                    251:
1.70      kristaps  252: void
1.89      kristaps  253: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  254: {
1.245     schwarze  255:        const struct mdoc_meta  *meta;
1.281     schwarze  256:        struct mdoc_node        *n;
1.89      kristaps  257:        struct termp            *p;
                    258:
                    259:        p = (struct termp *)arg;
1.111     kristaps  260:
                    261:        p->overstep = 0;
1.281     schwarze  262:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  263:        p->tabwidth = term_len(p, 5);
1.70      kristaps  264:
1.281     schwarze  265:        n = mdoc_node(mdoc)->child;
1.245     schwarze  266:        meta = mdoc_meta(mdoc);
1.146     schwarze  267:
1.281     schwarze  268:        if (p->synopsisonly) {
                    269:                while (n != NULL) {
                    270:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    271:                                if (n->child->next->child != NULL)
                    272:                                        print_mdoc_nodelist(p, NULL,
                    273:                                            meta, n->child->next->child);
                    274:                                term_newln(p);
                    275:                                break;
                    276:                        }
                    277:                        n = n->next;
                    278:                }
                    279:        } else {
                    280:                if (p->defindent == 0)
                    281:                        p->defindent = 5;
                    282:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    283:                if (n != NULL) {
                    284:                        if (n->tok != MDOC_Sh)
                    285:                                term_vspace(p);
                    286:                        print_mdoc_nodelist(p, NULL, meta, n);
                    287:                }
                    288:                term_end(p);
1.271     schwarze  289:        }
1.1       kristaps  290: }
                    291:
1.3       kristaps  292: static void
1.102     kristaps  293: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  294: {
                    295:
1.304     schwarze  296:        while (n != NULL) {
                    297:                print_mdoc_node(p, pair, meta, n);
                    298:                n = n->next;
                    299:        }
1.1       kristaps  300: }
                    301:
1.3       kristaps  302: static void
1.102     kristaps  303: print_mdoc_node(DECL_ARGS)
1.1       kristaps  304: {
1.102     kristaps  305:        int              chld;
1.1       kristaps  306:        struct termpair  npair;
1.30      kristaps  307:        size_t           offset, rmargin;
1.1       kristaps  308:
1.70      kristaps  309:        chld = 1;
1.29      kristaps  310:        offset = p->offset;
1.30      kristaps  311:        rmargin = p->rmargin;
1.310     schwarze  312:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  313:        n->prev_font = p->fonti;
1.29      kristaps  314:
1.97      kristaps  315:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  316:        npair.ppair = pair;
1.172     kristaps  317:
                    318:        /*
                    319:         * Keeps only work until the end of a line.  If a keep was
                    320:         * invoked in a prior line, revert it to PREKEEP.
                    321:         */
                    322:
1.307     schwarze  323:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    324:                p->flags &= ~TERMP_KEEP;
                    325:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  326:        }
1.197     schwarze  327:
                    328:        /*
1.217     schwarze  329:         * After the keep flags have been set up, we may now
                    330:         * produce output.  Note that some pre-handlers do so.
                    331:         */
                    332:
                    333:        switch (n->type) {
1.264     schwarze  334:        case MDOC_TEXT:
1.217     schwarze  335:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    336:                        term_newln(p);
1.222     kristaps  337:                if (MDOC_DELIMC & n->flags)
                    338:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  339:                term_word(p, n->string);
1.222     kristaps  340:                if (MDOC_DELIMO & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                break;
1.264     schwarze  343:        case MDOC_EQN:
1.284     schwarze  344:                if ( ! (n->flags & MDOC_LINE))
                    345:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  346:                term_eqn(p, n->eqn);
1.286     schwarze  347:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  348:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  349:                break;
1.264     schwarze  350:        case MDOC_TBL:
1.217     schwarze  351:                term_tbl(p, n->span);
                    352:                break;
                    353:        default:
1.295     schwarze  354:                if (termacts[n->tok].pre &&
                    355:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  356:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  357:                                (p, &npair, meta, n);
1.217     schwarze  358:                break;
                    359:        }
                    360:
1.86      kristaps  361:        if (chld && n->child)
1.245     schwarze  362:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  363:
1.244     schwarze  364:        term_fontpopq(p,
1.310     schwarze  365:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  366:
1.206     kristaps  367:        switch (n->type) {
1.264     schwarze  368:        case MDOC_TEXT:
1.206     kristaps  369:                break;
1.264     schwarze  370:        case MDOC_TBL:
1.216     kristaps  371:                break;
1.264     schwarze  372:        case MDOC_EQN:
1.206     kristaps  373:                break;
                    374:        default:
                    375:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    376:                        break;
1.245     schwarze  377:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  378:
                    379:                /*
                    380:                 * Explicit end tokens not only call the post
                    381:                 * handler, but also tell the respective block
                    382:                 * that it must not call the post handler again.
                    383:                 */
1.165     kristaps  384:                if (ENDBODY_NOT != n->end)
1.310     schwarze  385:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  386:
                    387:                /*
                    388:                 * End of line terminating an implicit block
                    389:                 * while an explicit block is still open.
                    390:                 * Continue the explicit block without spacing.
                    391:                 */
                    392:                if (ENDBODY_NOSPACE == n->end)
                    393:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  394:                break;
1.162     schwarze  395:        }
1.121     kristaps  396:
                    397:        if (MDOC_EOS & n->flags)
                    398:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  399:
1.260     schwarze  400:        if (MDOC_ll != n->tok) {
                    401:                p->offset = offset;
                    402:                p->rmargin = rmargin;
                    403:        }
1.1       kristaps  404: }
                    405:
1.3       kristaps  406: static void
1.145     kristaps  407: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  408: {
1.245     schwarze  409:        const struct mdoc_meta *meta;
1.292     schwarze  410:        size_t sz;
1.144     kristaps  411:
1.245     schwarze  412:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  413:
1.102     kristaps  414:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  415:
1.264     schwarze  416:        /*
1.9       kristaps  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:
1.9       kristaps  426:        p->offset = 0;
1.292     schwarze  427:        sz = term_strlen(p, meta->date);
                    428:        p->rmargin = p->maxrmargin > sz ?
                    429:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  430:        p->trailspace = 1;
1.1       kristaps  431:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    432:
1.245     schwarze  433:        term_word(p, meta->os);
1.1       kristaps  434:        term_flushln(p);
                    435:
1.9       kristaps  436:        p->offset = p->rmargin;
1.292     schwarze  437:        sz = term_strlen(p, meta->os);
                    438:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  439:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  440:
1.245     schwarze  441:        term_word(p, meta->date);
1.9       kristaps  442:        term_flushln(p);
                    443:
1.1       kristaps  444:        p->offset = p->rmargin;
                    445:        p->rmargin = p->maxrmargin;
1.250     schwarze  446:        p->trailspace = 0;
1.1       kristaps  447:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  448:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  449:
1.245     schwarze  450:        term_word(p, meta->os);
1.1       kristaps  451:        term_flushln(p);
                    452:
1.9       kristaps  453:        p->offset = 0;
                    454:        p->rmargin = p->maxrmargin;
                    455:        p->flags = 0;
1.1       kristaps  456: }
                    457:
1.3       kristaps  458: static void
1.144     kristaps  459: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  460: {
1.266     schwarze  461:        const struct mdoc_meta  *meta;
1.267     schwarze  462:        char                    *volume, *title;
                    463:        size_t                   vollen, titlen;
1.144     kristaps  464:
1.245     schwarze  465:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  466:
                    467:        /*
                    468:         * The header is strange.  It has three components, which are
                    469:         * really two with the first duplicated.  It goes like this:
                    470:         *
                    471:         * IDENTIFIER              TITLE                   IDENTIFIER
                    472:         *
                    473:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    474:         * (if given, or "unknown" if not) followed by the manual page
                    475:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    476:         * string depending on the manual volume.  If not specified, it
                    477:         * switches on the manual section.
                    478:         */
1.235     schwarze  479:
1.245     schwarze  480:        assert(meta->vol);
1.267     schwarze  481:        if (NULL == meta->arch)
                    482:                volume = mandoc_strdup(meta->vol);
                    483:        else
                    484:                mandoc_asprintf(&volume, "%s (%s)",
                    485:                    meta->vol, meta->arch);
                    486:        vollen = term_strlen(p, volume);
1.1       kristaps  487:
1.275     schwarze  488:        if (NULL == meta->msec)
                    489:                title = mandoc_strdup(meta->title);
                    490:        else
                    491:                mandoc_asprintf(&title, "%s(%s)",
                    492:                    meta->title, meta->msec);
1.235     schwarze  493:        titlen = term_strlen(p, title);
1.1       kristaps  494:
1.235     schwarze  495:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  496:        p->trailspace = 1;
1.1       kristaps  497:        p->offset = 0;
1.267     schwarze  498:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    499:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  500:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  501:
                    502:        term_word(p, title);
                    503:        term_flushln(p);
                    504:
1.235     schwarze  505:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  506:        p->offset = p->rmargin;
1.267     schwarze  507:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  508:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  509:
1.267     schwarze  510:        term_word(p, volume);
1.1       kristaps  511:        term_flushln(p);
                    512:
                    513:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  514:        p->trailspace = 0;
1.235     schwarze  515:        if (p->rmargin + titlen <= p->maxrmargin) {
                    516:                p->flags |= TERMP_NOSPACE;
                    517:                p->offset = p->rmargin;
                    518:                p->rmargin = p->maxrmargin;
                    519:                term_word(p, title);
                    520:                term_flushln(p);
                    521:        }
1.1       kristaps  522:
1.235     schwarze  523:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  524:        p->offset = 0;
1.1       kristaps  525:        p->rmargin = p->maxrmargin;
1.266     schwarze  526:        free(title);
1.267     schwarze  527:        free(volume);
1.1       kristaps  528: }
                    529:
1.302     schwarze  530: static int
1.157     kristaps  531: a2width(const struct termp *p, const char *v)
1.91      kristaps  532: {
1.92      kristaps  533:        struct roffsu    su;
1.1       kristaps  534:
1.300     schwarze  535:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  536:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  537:                su.scale /= term_strlen(p, "0");
1.302     schwarze  538:        }
1.157     kristaps  539:        return(term_hspan(p, &su));
1.1       kristaps  540: }
                    541:
1.108     kristaps  542: /*
                    543:  * Determine how much space to print out before block elements of `It'
                    544:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    545:  * too.
                    546:  */
1.54      kristaps  547: static void
1.264     schwarze  548: print_bvspace(struct termp *p,
                    549:        const struct mdoc_node *bl,
                    550:        const struct mdoc_node *n)
1.1       kristaps  551: {
1.86      kristaps  552:        const struct mdoc_node  *nn;
1.236     schwarze  553:
                    554:        assert(n);
1.1       kristaps  555:
                    556:        term_newln(p);
1.150     kristaps  557:
1.202     kristaps  558:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  559:                return;
1.202     kristaps  560:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  561:                return;
                    562:
1.85      kristaps  563:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  564:
1.289     schwarze  565:        nn = n;
                    566:        while (nn->prev == NULL) {
                    567:                do {
                    568:                        nn = nn->parent;
                    569:                        if (nn->type == MDOC_ROOT)
                    570:                                return;
                    571:                } while (nn->type != MDOC_BLOCK);
                    572:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  573:                        return;
1.289     schwarze  574:                if (nn->tok == MDOC_It &&
                    575:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    576:                        break;
1.1       kristaps  577:        }
                    578:
1.85      kristaps  579:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  580:
1.202     kristaps  581:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  582:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  583:                        return;
                    584:
1.85      kristaps  585:        /* A `-diag' without body does not vspace. */
                    586:
1.202     kristaps  587:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  588:                if (n->prev && MDOC_It == n->prev->tok) {
                    589:                        assert(n->prev->body);
                    590:                        if (NULL == n->prev->body->child)
1.55      kristaps  591:                                return;
                    592:                }
                    593:
1.54      kristaps  594:        term_vspace(p);
1.260     schwarze  595: }
                    596:
                    597:
                    598: static int
                    599: termp_ll_pre(DECL_ARGS)
                    600: {
                    601:
1.261     schwarze  602:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  603:        return(0);
1.1       kristaps  604: }
                    605:
                    606: static int
                    607: termp_it_pre(DECL_ARGS)
                    608: {
1.302     schwarze  609:        char                    buf[24];
1.86      kristaps  610:        const struct mdoc_node *bl, *nn;
1.302     schwarze  611:        size_t                  ncols, dcol;
                    612:        int                     i, offset, width;
1.126     kristaps  613:        enum mdoc_list          type;
1.1       kristaps  614:
1.86      kristaps  615:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  616:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  617:                return(1);
                    618:        }
1.1       kristaps  619:
1.86      kristaps  620:        bl = n->parent->parent->parent;
1.202     kristaps  621:        type = bl->norm->Bl.type;
1.1       kristaps  622:
1.264     schwarze  623:        /*
1.302     schwarze  624:         * Defaults for specific list types.
                    625:         */
                    626:
                    627:        switch (type) {
                    628:        case LIST_bullet:
                    629:                /* FALLTHROUGH */
                    630:        case LIST_dash:
                    631:                /* FALLTHROUGH */
                    632:        case LIST_hyphen:
                    633:                /* FALLTHROUGH */
                    634:        case LIST_enum:
                    635:                width = term_len(p, 2);
                    636:                break;
                    637:        case LIST_hang:
                    638:                width = term_len(p, 8);
                    639:                break;
                    640:        case LIST_column:
                    641:                /* FALLTHROUGH */
                    642:        case LIST_tag:
                    643:                width = term_len(p, 10);
                    644:                break;
                    645:        default:
                    646:                width = 0;
                    647:                break;
                    648:        }
                    649:        offset = 0;
                    650:
                    651:        /*
1.108     kristaps  652:         * First calculate width and offset.  This is pretty easy unless
                    653:         * we're a -column list, in which case all prior columns must
                    654:         * be accounted for.
                    655:         */
                    656:
1.302     schwarze  657:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  658:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  659:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    660:                        offset = -p->offset;
                    661:                else if (offset > SHRT_MAX)
                    662:                        offset = 0;
                    663:        }
1.152     kristaps  664:
1.1       kristaps  665:        switch (type) {
1.264     schwarze  666:        case LIST_column:
1.134     kristaps  667:                if (MDOC_HEAD == n->type)
1.1       kristaps  668:                        break;
1.155     kristaps  669:
1.105     kristaps  670:                /*
1.108     kristaps  671:                 * Imitate groff's column handling:
                    672:                 * - For each earlier column, add its width.
                    673:                 * - For less than 5 columns, add four more blanks per
                    674:                 *   column.
                    675:                 * - For exactly 5 columns, add three more blank per
                    676:                 *   column.
                    677:                 * - For more than 5 columns, add only one column.
1.105     kristaps  678:                 */
1.202     kristaps  679:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  680:                dcol = ncols < 5 ? term_len(p, 4) :
                    681:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  682:
1.134     kristaps  683:                /*
                    684:                 * Calculate the offset by applying all prior MDOC_BODY,
                    685:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    686:                 */
                    687:
1.264     schwarze  688:                for (i = 0, nn = n->prev;
                    689:                    nn->prev && i < (int)ncols;
                    690:                    nn = nn->prev, i++)
                    691:                        offset += dcol + a2width(p,
                    692:                            bl->norm->Bl.cols[i]);
1.105     kristaps  693:
                    694:                /*
1.108     kristaps  695:                 * When exceeding the declared number of columns, leave
                    696:                 * the remaining widths at 0.  This will later be
                    697:                 * adjusted to the default width of 10, or, for the last
                    698:                 * column, stretched to the right margin.
1.58      kristaps  699:                 */
1.108     kristaps  700:                if (i >= (int)ncols)
                    701:                        break;
1.58      kristaps  702:
1.105     kristaps  703:                /*
1.108     kristaps  704:                 * Use the declared column widths, extended as explained
                    705:                 * in the preceding paragraph.
1.105     kristaps  706:                 */
1.202     kristaps  707:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  708:                break;
                    709:        default:
1.202     kristaps  710:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  711:                        break;
                    712:
1.264     schwarze  713:                /*
1.108     kristaps  714:                 * Note: buffer the width by 2, which is groff's magic
                    715:                 * number for buffering single arguments.  See the above
                    716:                 * handling for column for how this changes.
                    717:                 */
1.202     kristaps  718:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  719:                if (width < 0 && (size_t)(-width) > p->offset)
                    720:                        width = -p->offset;
                    721:                else if (width > SHRT_MAX)
                    722:                        width = 0;
1.1       kristaps  723:                break;
                    724:        }
                    725:
1.264     schwarze  726:        /*
1.17      kristaps  727:         * Whitespace control.  Inset bodies need an initial space,
                    728:         * while diagonal bodies need two.
1.1       kristaps  729:         */
                    730:
1.51      kristaps  731:        p->flags |= TERMP_NOSPACE;
                    732:
1.1       kristaps  733:        switch (type) {
1.264     schwarze  734:        case LIST_diag:
1.86      kristaps  735:                if (MDOC_BODY == n->type)
1.62      kristaps  736:                        term_word(p, "\\ \\ ");
1.51      kristaps  737:                break;
1.264     schwarze  738:        case LIST_inset:
1.270     schwarze  739:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  740:                        term_word(p, "\\ ");
1.1       kristaps  741:                break;
                    742:        default:
                    743:                break;
                    744:        }
                    745:
1.51      kristaps  746:        p->flags |= TERMP_NOSPACE;
                    747:
1.1       kristaps  748:        switch (type) {
1.264     schwarze  749:        case LIST_diag:
1.86      kristaps  750:                if (MDOC_HEAD == n->type)
1.102     kristaps  751:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  752:                break;
                    753:        default:
                    754:                break;
                    755:        }
                    756:
                    757:        /*
1.109     kristaps  758:         * Pad and break control.  This is the tricky part.  These flags
                    759:         * are documented in term_flushln() in term.c.  Note that we're
                    760:         * going to unset all of these flags in termp_it_post() when we
                    761:         * exit.
1.1       kristaps  762:         */
                    763:
                    764:        switch (type) {
1.264     schwarze  765:        case LIST_enum:
1.242     schwarze  766:                /*
                    767:                 * Weird special case.
1.302     schwarze  768:                 * Some very narrow lists actually hang.
1.242     schwarze  769:                 */
                    770:                /* FALLTHROUGH */
1.264     schwarze  771:        case LIST_bullet:
1.1       kristaps  772:                /* FALLTHROUGH */
1.264     schwarze  773:        case LIST_dash:
1.1       kristaps  774:                /* FALLTHROUGH */
1.264     schwarze  775:        case LIST_hyphen:
1.302     schwarze  776:                if (width <= (int)term_len(p, 2))
                    777:                        p->flags |= TERMP_HANG;
1.250     schwarze  778:                if (MDOC_HEAD != n->type)
                    779:                        break;
                    780:                p->flags |= TERMP_NOBREAK;
                    781:                p->trailspace = 1;
1.39      kristaps  782:                break;
1.264     schwarze  783:        case LIST_hang:
1.250     schwarze  784:                if (MDOC_HEAD != n->type)
1.59      kristaps  785:                        break;
                    786:
                    787:                /*
                    788:                 * This is ugly.  If `-hang' is specified and the body
                    789:                 * is a `Bl' or `Bd', then we want basically to nullify
                    790:                 * the "overstep" effect in term_flushln() and treat
                    791:                 * this as a `-ohang' list instead.
                    792:                 */
1.279     schwarze  793:                if (NULL != n->next &&
1.278     schwarze  794:                    NULL != n->next->child &&
                    795:                    (MDOC_Bl == n->next->child->tok ||
                    796:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  797:                        break;
                    798:
1.263     schwarze  799:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  800:                p->trailspace = 1;
1.39      kristaps  801:                break;
1.264     schwarze  802:        case LIST_tag:
1.86      kristaps  803:                if (MDOC_HEAD != n->type)
1.39      kristaps  804:                        break;
1.250     schwarze  805:
1.263     schwarze  806:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  807:                p->trailspace = 2;
                    808:
1.86      kristaps  809:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  810:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  811:                break;
1.264     schwarze  812:        case LIST_column:
1.134     kristaps  813:                if (MDOC_HEAD == n->type)
                    814:                        break;
                    815:
1.250     schwarze  816:                if (NULL == n->next) {
1.134     kristaps  817:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  818:                        p->trailspace = 0;
                    819:                } else {
1.134     kristaps  820:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  821:                        p->trailspace = 1;
                    822:                }
1.134     kristaps  823:
1.1       kristaps  824:                break;
1.264     schwarze  825:        case LIST_diag:
1.250     schwarze  826:                if (MDOC_HEAD != n->type)
                    827:                        break;
1.263     schwarze  828:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  829:                p->trailspace = 1;
1.1       kristaps  830:                break;
                    831:        default:
                    832:                break;
                    833:        }
                    834:
1.264     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:
                    841:        p->offset += offset;
                    842:
                    843:        switch (type) {
1.264     schwarze  844:        case LIST_hang:
1.59      kristaps  845:                /*
                    846:                 * Same stipulation as above, regarding `-hang'.  We
                    847:                 * don't want to recalculate rmargin and offsets when
                    848:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    849:                 */
1.279     schwarze  850:                if (MDOC_HEAD == n->type &&
                    851:                    NULL != n->next &&
1.278     schwarze  852:                    NULL != n->next->child &&
                    853:                    (MDOC_Bl == n->next->child->tok ||
                    854:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  855:                        break;
                    856:                /* FALLTHROUGH */
1.264     schwarze  857:        case LIST_bullet:
1.1       kristaps  858:                /* FALLTHROUGH */
1.264     schwarze  859:        case LIST_dash:
1.1       kristaps  860:                /* FALLTHROUGH */
1.264     schwarze  861:        case LIST_enum:
1.1       kristaps  862:                /* FALLTHROUGH */
1.264     schwarze  863:        case LIST_hyphen:
1.1       kristaps  864:                /* FALLTHROUGH */
1.264     schwarze  865:        case LIST_tag:
1.86      kristaps  866:                if (MDOC_HEAD == n->type)
1.1       kristaps  867:                        p->rmargin = p->offset + width;
1.292     schwarze  868:                else
1.1       kristaps  869:                        p->offset += width;
                    870:                break;
1.264     schwarze  871:        case LIST_column:
1.49      kristaps  872:                assert(width);
1.1       kristaps  873:                p->rmargin = p->offset + width;
1.264     schwarze  874:                /*
1.50      kristaps  875:                 * XXX - this behaviour is not documented: the
                    876:                 * right-most column is filled to the right margin.
                    877:                 */
1.134     kristaps  878:                if (MDOC_HEAD == n->type)
                    879:                        break;
                    880:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  881:                        p->rmargin = p->maxrmargin;
1.1       kristaps  882:                break;
                    883:        default:
                    884:                break;
                    885:        }
                    886:
1.264     schwarze  887:        /*
1.1       kristaps  888:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  889:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  890:         */
                    891:
1.86      kristaps  892:        if (MDOC_HEAD == n->type)
1.1       kristaps  893:                switch (type) {
1.264     schwarze  894:                case LIST_bullet:
1.102     kristaps  895:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  896:                        term_word(p, "\\[bu]");
1.102     kristaps  897:                        term_fontpop(p);
1.1       kristaps  898:                        break;
1.264     schwarze  899:                case LIST_dash:
1.1       kristaps  900:                        /* FALLTHROUGH */
1.264     schwarze  901:                case LIST_hyphen:
1.102     kristaps  902:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  903:                        term_word(p, "\\(hy");
1.102     kristaps  904:                        term_fontpop(p);
1.1       kristaps  905:                        break;
1.264     schwarze  906:                case LIST_enum:
1.1       kristaps  907:                        (pair->ppair->ppair->count)++;
1.265     schwarze  908:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  909:                            pair->ppair->ppair->count);
1.1       kristaps  910:                        term_word(p, buf);
                    911:                        break;
                    912:                default:
                    913:                        break;
                    914:                }
                    915:
1.264     schwarze  916:        /*
1.1       kristaps  917:         * If we're not going to process our children, indicate so here.
                    918:         */
                    919:
                    920:        switch (type) {
1.264     schwarze  921:        case LIST_bullet:
1.1       kristaps  922:                /* FALLTHROUGH */
1.264     schwarze  923:        case LIST_item:
1.1       kristaps  924:                /* FALLTHROUGH */
1.264     schwarze  925:        case LIST_dash:
1.1       kristaps  926:                /* FALLTHROUGH */
1.264     schwarze  927:        case LIST_hyphen:
1.1       kristaps  928:                /* FALLTHROUGH */
1.264     schwarze  929:        case LIST_enum:
1.86      kristaps  930:                if (MDOC_HEAD == n->type)
1.1       kristaps  931:                        return(0);
                    932:                break;
1.264     schwarze  933:        case LIST_column:
1.134     kristaps  934:                if (MDOC_HEAD == n->type)
1.1       kristaps  935:                        return(0);
                    936:                break;
                    937:        default:
                    938:                break;
                    939:        }
                    940:
                    941:        return(1);
                    942: }
                    943:
                    944: static void
                    945: termp_it_post(DECL_ARGS)
                    946: {
1.126     kristaps  947:        enum mdoc_list     type;
1.1       kristaps  948:
1.109     kristaps  949:        if (MDOC_BLOCK == n->type)
1.1       kristaps  950:                return;
                    951:
1.202     kristaps  952:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  953:
                    954:        switch (type) {
1.264     schwarze  955:        case LIST_item:
1.1       kristaps  956:                /* FALLTHROUGH */
1.264     schwarze  957:        case LIST_diag:
1.53      kristaps  958:                /* FALLTHROUGH */
1.264     schwarze  959:        case LIST_inset:
1.86      kristaps  960:                if (MDOC_BODY == n->type)
1.130     schwarze  961:                        term_newln(p);
1.1       kristaps  962:                break;
1.264     schwarze  963:        case LIST_column:
1.134     kristaps  964:                if (MDOC_BODY == n->type)
1.1       kristaps  965:                        term_flushln(p);
                    966:                break;
                    967:        default:
1.130     schwarze  968:                term_newln(p);
1.1       kristaps  969:                break;
                    970:        }
                    971:
1.264     schwarze  972:        /*
1.109     kristaps  973:         * Now that our output is flushed, we can reset our tags.  Since
                    974:         * only `It' sets these flags, we're free to assume that nobody
                    975:         * has munged them in the meanwhile.
                    976:         */
                    977:
1.263     schwarze  978:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    979:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  980:        p->trailspace = 0;
1.1       kristaps  981: }
                    982:
                    983: static int
                    984: termp_nm_pre(DECL_ARGS)
                    985: {
1.296     schwarze  986:        const char      *cp;
1.1       kristaps  987:
1.253     schwarze  988:        if (MDOC_BLOCK == n->type) {
                    989:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  990:                return(1);
1.253     schwarze  991:        }
1.164     schwarze  992:
                    993:        if (MDOC_BODY == n->type) {
                    994:                if (NULL == n->child)
                    995:                        return(0);
1.234     schwarze  996:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  997:                cp = NULL;
                    998:                if (n->prev->child != NULL)
                    999:                    cp = n->prev->child->string;
                   1000:                if (cp == NULL)
                   1001:                        cp = meta->name;
                   1002:                if (cp == NULL)
                   1003:                        p->offset += term_len(p, 6);
                   1004:                else
                   1005:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1006:                return(1);
                   1007:        }
                   1008:
1.245     schwarze 1009:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1010:                return(0);
1.125     kristaps 1011:
1.177     schwarze 1012:        if (MDOC_HEAD == n->type)
                   1013:                synopsis_pre(p, n->parent);
1.102     kristaps 1014:
1.279     schwarze 1015:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1016:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1017:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1018:                p->trailspace = 1;
1.185     schwarze 1019:                p->rmargin = p->offset + term_len(p, 1);
                   1020:                if (NULL == n->child) {
1.245     schwarze 1021:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1022:                } else if (MDOC_TEXT == n->child->type) {
                   1023:                        p->rmargin += term_strlen(p, n->child->string);
                   1024:                        if (n->child->next)
                   1025:                                p->flags |= TERMP_HANG;
                   1026:                } else {
                   1027:                        p->rmargin += term_len(p, 5);
                   1028:                        p->flags |= TERMP_HANG;
                   1029:                }
1.164     schwarze 1030:        }
                   1031:
1.102     kristaps 1032:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1033:        if (NULL == n->child)
1.245     schwarze 1034:                term_word(p, meta->name);
1.1       kristaps 1035:        return(1);
                   1036: }
                   1037:
1.164     schwarze 1038: static void
                   1039: termp_nm_post(DECL_ARGS)
                   1040: {
                   1041:
1.253     schwarze 1042:        if (MDOC_BLOCK == n->type) {
                   1043:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1044:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1045:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1046:                term_flushln(p);
1.263     schwarze 1047:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1048:                p->trailspace = 0;
1.234     schwarze 1049:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1050:                term_flushln(p);
                   1051: }
                   1052:
1.1       kristaps 1053: static int
                   1054: termp_fl_pre(DECL_ARGS)
                   1055: {
                   1056:
1.102     kristaps 1057:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1058:        term_word(p, "\\-");
1.103     kristaps 1059:
1.280     schwarze 1060:        if ( ! (n->nchild == 0 &&
                   1061:            (n->next == NULL ||
                   1062:             n->next->type == MDOC_TEXT ||
                   1063:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1064:                p->flags |= TERMP_NOSPACE;
                   1065:
1.1       kristaps 1066:        return(1);
                   1067: }
                   1068:
                   1069: static int
1.184     kristaps 1070: termp__a_pre(DECL_ARGS)
                   1071: {
                   1072:
                   1073:        if (n->prev && MDOC__A == n->prev->tok)
                   1074:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1075:                        term_word(p, "and");
                   1076:
                   1077:        return(1);
                   1078: }
                   1079:
                   1080: static int
1.61      kristaps 1081: termp_an_pre(DECL_ARGS)
                   1082: {
                   1083:
1.282     schwarze 1084:        if (n->norm->An.auth == AUTH_split) {
                   1085:                p->flags &= ~TERMP_NOSPLIT;
                   1086:                p->flags |= TERMP_SPLIT;
                   1087:                return(0);
                   1088:        }
                   1089:        if (n->norm->An.auth == AUTH_nosplit) {
                   1090:                p->flags &= ~TERMP_SPLIT;
                   1091:                p->flags |= TERMP_NOSPLIT;
                   1092:                return(0);
                   1093:        }
1.264     schwarze 1094:
1.282     schwarze 1095:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1096:                term_newln(p);
                   1097:
1.282     schwarze 1098:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1099:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1100:
                   1101:        return(1);
                   1102: }
                   1103:
                   1104: static int
1.1       kristaps 1105: termp_ns_pre(DECL_ARGS)
                   1106: {
                   1107:
1.215     kristaps 1108:        if ( ! (MDOC_LINE & n->flags))
                   1109:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1110:        return(1);
                   1111: }
                   1112:
                   1113: static int
                   1114: termp_rs_pre(DECL_ARGS)
                   1115: {
                   1116:
1.86      kristaps 1117:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1118:                return(1);
1.86      kristaps 1119:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1120:                term_vspace(p);
                   1121:        return(1);
                   1122: }
                   1123:
                   1124: static int
                   1125: termp_rv_pre(DECL_ARGS)
                   1126: {
1.223     kristaps 1127:        int              nchild;
1.1       kristaps 1128:
                   1129:        term_newln(p);
                   1130:
1.223     kristaps 1131:        nchild = n->nchild;
1.273     schwarze 1132:        if (nchild > 0) {
                   1133:                term_word(p, "The");
1.224     kristaps 1134:
1.273     schwarze 1135:                for (n = n->child; n; n = n->next) {
                   1136:                        term_fontpush(p, TERMFONT_BOLD);
                   1137:                        term_word(p, n->string);
                   1138:                        term_fontpop(p);
1.223     kristaps 1139:
                   1140:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1141:                        term_word(p, "()");
                   1142:
                   1143:                        if (n->next == NULL)
                   1144:                                continue;
                   1145:
                   1146:                        if (nchild > 2) {
                   1147:                                p->flags |= TERMP_NOSPACE;
                   1148:                                term_word(p, ",");
                   1149:                        }
                   1150:                        if (n->next->next == NULL)
                   1151:                                term_word(p, "and");
1.223     kristaps 1152:                }
                   1153:
1.273     schwarze 1154:                if (nchild > 1)
                   1155:                        term_word(p, "functions return");
                   1156:                else
                   1157:                        term_word(p, "function returns");
                   1158:
                   1159:                term_word(p, "the value\\~0 if successful;");
                   1160:        } else
                   1161:                term_word(p, "Upon successful completion,"
                   1162:                    " the value\\~0 is returned;");
1.1       kristaps 1163:
1.273     schwarze 1164:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1165:            " and the global variable");
1.1       kristaps 1166:
1.102     kristaps 1167:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1168:        term_word(p, "errno");
1.102     kristaps 1169:        term_fontpop(p);
1.1       kristaps 1170:
1.264     schwarze 1171:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1172:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1173:
1.68      kristaps 1174:        return(0);
1.1       kristaps 1175: }
                   1176:
                   1177: static int
                   1178: termp_ex_pre(DECL_ARGS)
                   1179: {
1.224     kristaps 1180:        int              nchild;
1.1       kristaps 1181:
1.224     kristaps 1182:        term_newln(p);
1.68      kristaps 1183:        term_word(p, "The");
1.1       kristaps 1184:
1.224     kristaps 1185:        nchild = n->nchild;
                   1186:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1187:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1188:                term_word(p, n->string);
1.102     kristaps 1189:                term_fontpop(p);
1.224     kristaps 1190:
                   1191:                if (nchild > 2 && n->next) {
                   1192:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1193:                        term_word(p, ",");
1.224     kristaps 1194:                }
                   1195:
                   1196:                if (n->next && NULL == n->next->next)
                   1197:                        term_word(p, "and");
1.68      kristaps 1198:        }
                   1199:
1.224     kristaps 1200:        if (nchild > 1)
1.273     schwarze 1201:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1202:        else
1.273     schwarze 1203:                term_word(p, "utility exits\\~0");
1.68      kristaps 1204:
1.273     schwarze 1205:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1206:
1.131     kristaps 1207:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1208:        return(0);
1.1       kristaps 1209: }
                   1210:
                   1211: static int
                   1212: termp_nd_pre(DECL_ARGS)
                   1213: {
1.25      kristaps 1214:
1.297     schwarze 1215:        if (n->type == MDOC_BODY)
                   1216:                term_word(p, "\\(en");
1.1       kristaps 1217:        return(1);
1.115     kristaps 1218: }
                   1219:
                   1220: static int
                   1221: termp_bl_pre(DECL_ARGS)
                   1222: {
                   1223:
                   1224:        return(MDOC_HEAD != n->type);
1.1       kristaps 1225: }
                   1226:
                   1227: static void
                   1228: termp_bl_post(DECL_ARGS)
                   1229: {
                   1230:
1.86      kristaps 1231:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1232:                term_newln(p);
                   1233: }
                   1234:
                   1235: static int
                   1236: termp_xr_pre(DECL_ARGS)
                   1237: {
                   1238:
1.225     kristaps 1239:        if (NULL == (n = n->child))
1.113     kristaps 1240:                return(0);
                   1241:
1.225     kristaps 1242:        assert(MDOC_TEXT == n->type);
                   1243:        term_word(p, n->string);
1.11      kristaps 1244:
1.264     schwarze 1245:        if (NULL == (n = n->next))
1.1       kristaps 1246:                return(0);
1.225     kristaps 1247:
1.1       kristaps 1248:        p->flags |= TERMP_NOSPACE;
                   1249:        term_word(p, "(");
1.222     kristaps 1250:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1251:
                   1252:        assert(MDOC_TEXT == n->type);
                   1253:        term_word(p, n->string);
                   1254:
1.222     kristaps 1255:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1256:        term_word(p, ")");
1.86      kristaps 1257:
1.1       kristaps 1258:        return(0);
                   1259: }
                   1260:
1.143     kristaps 1261: /*
                   1262:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1263:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1264:  * macro combos).
                   1265:  */
                   1266: static void
                   1267: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1268: {
1.264     schwarze 1269:        /*
1.143     kristaps 1270:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1271:         * exist, do nothing.
                   1272:         */
1.160     kristaps 1273:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1274:                return;
                   1275:
                   1276:        /*
                   1277:         * If we're the second in a pair of like elements, emit our
                   1278:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1279:         * case we soldier on.
                   1280:         */
1.264     schwarze 1281:        if (n->prev->tok == n->tok &&
                   1282:            MDOC_Ft != n->tok &&
                   1283:            MDOC_Fo != n->tok &&
                   1284:            MDOC_Fn != n->tok) {
1.143     kristaps 1285:                term_newln(p);
                   1286:                return;
                   1287:        }
                   1288:
                   1289:        /*
                   1290:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1291:         * another (or Fn/Fo, which we've let slip through) then assert
                   1292:         * vertical space, else only newline and move on.
                   1293:         */
                   1294:        switch (n->prev->tok) {
1.264     schwarze 1295:        case MDOC_Fd:
1.143     kristaps 1296:                /* FALLTHROUGH */
1.264     schwarze 1297:        case MDOC_Fn:
1.143     kristaps 1298:                /* FALLTHROUGH */
1.264     schwarze 1299:        case MDOC_Fo:
1.143     kristaps 1300:                /* FALLTHROUGH */
1.264     schwarze 1301:        case MDOC_In:
1.143     kristaps 1302:                /* FALLTHROUGH */
1.264     schwarze 1303:        case MDOC_Vt:
1.143     kristaps 1304:                term_vspace(p);
                   1305:                break;
1.264     schwarze 1306:        case MDOC_Ft:
1.143     kristaps 1307:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1308:                        term_vspace(p);
                   1309:                        break;
                   1310:                }
                   1311:                /* FALLTHROUGH */
                   1312:        default:
                   1313:                term_newln(p);
                   1314:                break;
                   1315:        }
                   1316: }
                   1317:
1.110     kristaps 1318: static int
                   1319: termp_vt_pre(DECL_ARGS)
                   1320: {
                   1321:
1.143     kristaps 1322:        if (MDOC_ELEM == n->type) {
                   1323:                synopsis_pre(p, n);
1.245     schwarze 1324:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1325:        } else if (MDOC_BLOCK == n->type) {
                   1326:                synopsis_pre(p, n);
                   1327:                return(1);
                   1328:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1329:                return(0);
                   1330:
1.245     schwarze 1331:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1332: }
                   1333:
1.1       kristaps 1334: static int
1.69      kristaps 1335: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1336: {
                   1337:
1.102     kristaps 1338:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1339:        return(1);
                   1340: }
                   1341:
1.143     kristaps 1342: static int
                   1343: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1344: {
                   1345:
1.143     kristaps 1346:        synopsis_pre(p, n);
1.245     schwarze 1347:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1348: }
                   1349:
1.241     schwarze 1350: static void
                   1351: termp_fd_post(DECL_ARGS)
                   1352: {
                   1353:
                   1354:        term_newln(p);
                   1355: }
                   1356:
1.1       kristaps 1357: static int
                   1358: termp_sh_pre(DECL_ARGS)
                   1359: {
1.85      kristaps 1360:
1.86      kristaps 1361:        switch (n->type) {
1.264     schwarze 1362:        case MDOC_BLOCK:
1.293     schwarze 1363:                /*
                   1364:                 * Vertical space before sections, except
                   1365:                 * when the previous section was empty.
                   1366:                 */
                   1367:                if (n->prev == NULL ||
                   1368:                    MDOC_Sh != n->prev->tok ||
                   1369:                    (n->prev->body != NULL &&
                   1370:                     n->prev->body->child != NULL))
                   1371:                        term_vspace(p);
1.65      kristaps 1372:                break;
1.264     schwarze 1373:        case MDOC_HEAD:
1.102     kristaps 1374:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1375:                break;
1.264     schwarze 1376:        case MDOC_BODY:
1.238     schwarze 1377:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1378:                if (SEC_AUTHORS == n->sec)
                   1379:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1380:                break;
                   1381:        default:
                   1382:                break;
                   1383:        }
                   1384:        return(1);
                   1385: }
                   1386:
                   1387: static void
                   1388: termp_sh_post(DECL_ARGS)
                   1389: {
                   1390:
1.86      kristaps 1391:        switch (n->type) {
1.264     schwarze 1392:        case MDOC_HEAD:
1.1       kristaps 1393:                term_newln(p);
                   1394:                break;
1.264     schwarze 1395:        case MDOC_BODY:
1.1       kristaps 1396:                term_newln(p);
                   1397:                p->offset = 0;
                   1398:                break;
                   1399:        default:
                   1400:                break;
                   1401:        }
                   1402: }
                   1403:
                   1404: static int
                   1405: termp_bt_pre(DECL_ARGS)
                   1406: {
                   1407:
                   1408:        term_word(p, "is currently in beta test.");
1.131     kristaps 1409:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1410:        return(0);
1.1       kristaps 1411: }
                   1412:
                   1413: static void
                   1414: termp_lb_post(DECL_ARGS)
                   1415: {
                   1416:
1.122     kristaps 1417:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1418:                term_newln(p);
1.1       kristaps 1419: }
                   1420:
                   1421: static int
                   1422: termp_ud_pre(DECL_ARGS)
                   1423: {
                   1424:
                   1425:        term_word(p, "currently under development.");
1.131     kristaps 1426:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1427:        return(0);
1.1       kristaps 1428: }
                   1429:
                   1430: static int
                   1431: termp_d1_pre(DECL_ARGS)
                   1432: {
                   1433:
1.86      kristaps 1434:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1435:                return(1);
                   1436:        term_newln(p);
1.238     schwarze 1437:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1438:        return(1);
                   1439: }
                   1440:
                   1441: static int
                   1442: termp_ft_pre(DECL_ARGS)
                   1443: {
                   1444:
1.141     kristaps 1445:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1446:        synopsis_pre(p, n);
1.102     kristaps 1447:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1448:        return(1);
                   1449: }
                   1450:
                   1451: static int
                   1452: termp_fn_pre(DECL_ARGS)
                   1453: {
1.257     schwarze 1454:        size_t           rmargin = 0;
1.226     kristaps 1455:        int              pretty;
                   1456:
                   1457:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1458:
1.143     kristaps 1459:        synopsis_pre(p, n);
1.139     kristaps 1460:
1.226     kristaps 1461:        if (NULL == (n = n->child))
                   1462:                return(0);
                   1463:
1.251     schwarze 1464:        if (pretty) {
                   1465:                rmargin = p->rmargin;
1.257     schwarze 1466:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1467:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1468:        }
                   1469:
1.226     kristaps 1470:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1471:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1472:        term_word(p, n->string);
1.102     kristaps 1473:        term_fontpop(p);
1.1       kristaps 1474:
1.251     schwarze 1475:        if (pretty) {
                   1476:                term_flushln(p);
1.263     schwarze 1477:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1478:                p->offset = p->rmargin;
                   1479:                p->rmargin = rmargin;
                   1480:        }
                   1481:
1.1       kristaps 1482:        p->flags |= TERMP_NOSPACE;
                   1483:        term_word(p, "(");
1.222     kristaps 1484:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1485:
1.226     kristaps 1486:        for (n = n->next; n; n = n->next) {
                   1487:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1488:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1489:                if (pretty)
                   1490:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1491:                term_word(p, n->string);
1.102     kristaps 1492:                term_fontpop(p);
                   1493:
1.226     kristaps 1494:                if (n->next) {
1.222     kristaps 1495:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1496:                        term_word(p, ",");
1.222     kristaps 1497:                }
1.1       kristaps 1498:        }
                   1499:
1.222     kristaps 1500:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1501:        term_word(p, ")");
                   1502:
1.226     kristaps 1503:        if (pretty) {
1.222     kristaps 1504:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1505:                term_word(p, ";");
1.251     schwarze 1506:                term_flushln(p);
1.222     kristaps 1507:        }
1.1       kristaps 1508:
                   1509:        return(0);
                   1510: }
                   1511:
                   1512: static int
                   1513: termp_fa_pre(DECL_ARGS)
                   1514: {
1.86      kristaps 1515:        const struct mdoc_node  *nn;
1.1       kristaps 1516:
1.86      kristaps 1517:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1518:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1519:                return(1);
                   1520:        }
                   1521:
1.86      kristaps 1522:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1523:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1524:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1525:                term_word(p, nn->string);
1.102     kristaps 1526:                term_fontpop(p);
                   1527:
1.256     schwarze 1528:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1529:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1530:                        term_word(p, ",");
1.222     kristaps 1531:                }
1.1       kristaps 1532:        }
                   1533:
                   1534:        return(0);
                   1535: }
                   1536:
                   1537: static int
                   1538: termp_bd_pre(DECL_ARGS)
                   1539: {
1.272     schwarze 1540:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1541:        struct mdoc_node        *nn;
1.302     schwarze 1542:        int                      offset;
1.1       kristaps 1543:
1.86      kristaps 1544:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1545:                print_bvspace(p, n, n);
1.54      kristaps 1546:                return(1);
1.116     kristaps 1547:        } else if (MDOC_HEAD == n->type)
                   1548:                return(0);
1.1       kristaps 1549:
1.288     schwarze 1550:        /* Handle the -offset argument. */
                   1551:
                   1552:        if (n->norm->Bd.offs == NULL ||
                   1553:            ! strcmp(n->norm->Bd.offs, "left"))
                   1554:                /* nothing */;
                   1555:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1556:                p->offset += term_len(p, p->defindent + 1);
                   1557:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1558:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1559:        else {
                   1560:                offset = a2width(p, n->norm->Bd.offs);
                   1561:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1562:                        p->offset = 0;
                   1563:                else if (offset < SHRT_MAX)
                   1564:                        p->offset += offset;
                   1565:        }
1.85      kristaps 1566:
                   1567:        /*
                   1568:         * If -ragged or -filled are specified, the block does nothing
                   1569:         * but change the indentation.  If -unfilled or -literal are
                   1570:         * specified, text is printed exactly as entered in the display:
                   1571:         * for macro lines, a newline is appended to the line.  Blank
                   1572:         * lines are allowed.
                   1573:         */
1.264     schwarze 1574:
                   1575:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1576:            DISP_unfilled != n->norm->Bd.type &&
                   1577:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1578:                return(1);
                   1579:
1.129     schwarze 1580:        tabwidth = p->tabwidth;
1.208     kristaps 1581:        if (DISP_literal == n->norm->Bd.type)
                   1582:                p->tabwidth = term_len(p, 8);
                   1583:
1.272     schwarze 1584:        lm = p->offset;
1.119     kristaps 1585:        rm = p->rmargin;
                   1586:        rmax = p->maxrmargin;
1.120     kristaps 1587:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1588:
1.86      kristaps 1589:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1590:                if (DISP_centered == n->norm->Bd.type) {
                   1591:                        if (MDOC_TEXT == nn->type) {
                   1592:                                len = term_strlen(p, nn->string);
                   1593:                                p->offset = len >= rm ? 0 :
                   1594:                                    lm + len >= rm ? rm - len :
                   1595:                                    (lm + rm - len) / 2;
                   1596:                        } else
                   1597:                                p->offset = lm;
                   1598:                }
1.245     schwarze 1599:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1600:                /*
                   1601:                 * If the printed node flushes its own line, then we
                   1602:                 * needn't do it here as well.  This is hacky, but the
                   1603:                 * notion of selective eoln whitespace is pretty dumb
                   1604:                 * anyway, so don't sweat it.
                   1605:                 */
                   1606:                switch (nn->tok) {
1.264     schwarze 1607:                case MDOC_Sm:
1.193     kristaps 1608:                        /* FALLTHROUGH */
1.264     schwarze 1609:                case MDOC_br:
1.190     kristaps 1610:                        /* FALLTHROUGH */
1.264     schwarze 1611:                case MDOC_sp:
1.190     kristaps 1612:                        /* FALLTHROUGH */
1.264     schwarze 1613:                case MDOC_Bl:
1.196     kristaps 1614:                        /* FALLTHROUGH */
1.264     schwarze 1615:                case MDOC_D1:
1.196     kristaps 1616:                        /* FALLTHROUGH */
1.264     schwarze 1617:                case MDOC_Dl:
1.190     kristaps 1618:                        /* FALLTHROUGH */
1.264     schwarze 1619:                case MDOC_Lp:
1.190     kristaps 1620:                        /* FALLTHROUGH */
1.264     schwarze 1621:                case MDOC_Pp:
1.190     kristaps 1622:                        continue;
                   1623:                default:
                   1624:                        break;
                   1625:                }
1.299     schwarze 1626:                if (p->flags & TERMP_NONEWLINE ||
                   1627:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1628:                        continue;
                   1629:                term_flushln(p);
                   1630:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1631:        }
1.147     kristaps 1632:
1.129     schwarze 1633:        p->tabwidth = tabwidth;
1.119     kristaps 1634:        p->rmargin = rm;
                   1635:        p->maxrmargin = rmax;
1.1       kristaps 1636:        return(0);
                   1637: }
                   1638:
                   1639: static void
                   1640: termp_bd_post(DECL_ARGS)
                   1641: {
1.119     kristaps 1642:        size_t           rm, rmax;
1.1       kristaps 1643:
1.264     schwarze 1644:        if (MDOC_BODY != n->type)
1.1       kristaps 1645:                return;
1.118     kristaps 1646:
1.119     kristaps 1647:        rm = p->rmargin;
                   1648:        rmax = p->maxrmargin;
1.118     kristaps 1649:
1.264     schwarze 1650:        if (DISP_literal == n->norm->Bd.type ||
                   1651:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1652:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1653:
1.60      kristaps 1654:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1655:        term_newln(p);
1.118     kristaps 1656:
1.119     kristaps 1657:        p->rmargin = rm;
                   1658:        p->maxrmargin = rmax;
1.1       kristaps 1659: }
                   1660:
1.211     kristaps 1661: static int
                   1662: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1663: {
                   1664:
1.211     kristaps 1665:        if (NULL != (n = n->child)) {
                   1666:                term_word(p, n->string);
                   1667:                p->flags |= TERMP_NOSPACE;
                   1668:                term_word(p, "BSD");
                   1669:        } else {
                   1670:                term_word(p, "BSD");
                   1671:                return(0);
                   1672:        }
                   1673:
                   1674:        if (NULL != (n = n->next)) {
                   1675:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1676:                term_word(p, "-");
1.1       kristaps 1677:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1678:                term_word(p, n->string);
1.211     kristaps 1679:        }
                   1680:
                   1681:        return(0);
1.1       kristaps 1682: }
                   1683:
                   1684: static int
1.26      kristaps 1685: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1686: {
1.26      kristaps 1687:        const char      *pp;
1.218     schwarze 1688:        int              flags;
1.1       kristaps 1689:
1.26      kristaps 1690:        pp = NULL;
1.86      kristaps 1691:        switch (n->tok) {
1.264     schwarze 1692:        case MDOC_Bsx:
1.194     schwarze 1693:                pp = "BSD/OS";
1.26      kristaps 1694:                break;
1.264     schwarze 1695:        case MDOC_Dx:
1.100     kristaps 1696:                pp = "DragonFly";
1.26      kristaps 1697:                break;
1.264     schwarze 1698:        case MDOC_Fx:
1.26      kristaps 1699:                pp = "FreeBSD";
                   1700:                break;
1.264     schwarze 1701:        case MDOC_Nx:
1.26      kristaps 1702:                pp = "NetBSD";
                   1703:                break;
1.264     schwarze 1704:        case MDOC_Ox:
1.26      kristaps 1705:                pp = "OpenBSD";
                   1706:                break;
1.264     schwarze 1707:        case MDOC_Ux:
1.26      kristaps 1708:                pp = "UNIX";
                   1709:                break;
                   1710:        default:
1.246     schwarze 1711:                abort();
                   1712:                /* NOTREACHED */
1.26      kristaps 1713:        }
1.1       kristaps 1714:
1.26      kristaps 1715:        term_word(p, pp);
1.214     kristaps 1716:        if (n->child) {
1.218     schwarze 1717:                flags = p->flags;
1.214     kristaps 1718:                p->flags |= TERMP_KEEP;
                   1719:                term_word(p, n->child->string);
1.218     schwarze 1720:                p->flags = flags;
1.214     kristaps 1721:        }
                   1722:        return(0);
1.1       kristaps 1723: }
                   1724:
                   1725: static void
                   1726: termp_pf_post(DECL_ARGS)
                   1727: {
                   1728:
1.298     schwarze 1729:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1730:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1731: }
                   1732:
                   1733: static int
                   1734: termp_ss_pre(DECL_ARGS)
                   1735: {
                   1736:
1.86      kristaps 1737:        switch (n->type) {
1.264     schwarze 1738:        case MDOC_BLOCK:
1.1       kristaps 1739:                term_newln(p);
1.86      kristaps 1740:                if (n->prev)
1.1       kristaps 1741:                        term_vspace(p);
                   1742:                break;
1.264     schwarze 1743:        case MDOC_HEAD:
1.102     kristaps 1744:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1745:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1746:                break;
1.274     schwarze 1747:        case MDOC_BODY:
                   1748:                p->offset = term_len(p, p->defindent);
                   1749:                break;
1.1       kristaps 1750:        default:
                   1751:                break;
                   1752:        }
                   1753:
                   1754:        return(1);
                   1755: }
                   1756:
                   1757: static void
                   1758: termp_ss_post(DECL_ARGS)
                   1759: {
                   1760:
1.274     schwarze 1761:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1762:                term_newln(p);
                   1763: }
                   1764:
                   1765: static int
                   1766: termp_cd_pre(DECL_ARGS)
                   1767: {
                   1768:
1.143     kristaps 1769:        synopsis_pre(p, n);
1.102     kristaps 1770:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1771:        return(1);
                   1772: }
                   1773:
                   1774: static int
                   1775: termp_in_pre(DECL_ARGS)
                   1776: {
1.142     schwarze 1777:
1.143     kristaps 1778:        synopsis_pre(p, n);
1.1       kristaps 1779:
1.160     kristaps 1780:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1781:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1782:                term_word(p, "#include");
1.138     kristaps 1783:                term_word(p, "<");
                   1784:        } else {
                   1785:                term_word(p, "<");
                   1786:                term_fontpush(p, TERMFONT_UNDER);
                   1787:        }
1.22      kristaps 1788:
1.1       kristaps 1789:        p->flags |= TERMP_NOSPACE;
                   1790:        return(1);
                   1791: }
                   1792:
                   1793: static void
                   1794: termp_in_post(DECL_ARGS)
                   1795: {
                   1796:
1.160     kristaps 1797:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1798:                term_fontpush(p, TERMFONT_BOLD);
                   1799:
1.79      kristaps 1800:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1801:        term_word(p, ">");
                   1802:
1.160     kristaps 1803:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1804:                term_fontpop(p);
1.1       kristaps 1805: }
                   1806:
                   1807: static int
1.45      kristaps 1808: termp_sp_pre(DECL_ARGS)
                   1809: {
1.300     schwarze 1810:        struct roffsu    su;
1.312   ! schwarze 1811:        int              i, len;
1.45      kristaps 1812:
1.86      kristaps 1813:        switch (n->tok) {
1.264     schwarze 1814:        case MDOC_sp:
1.300     schwarze 1815:                if (n->child) {
                   1816:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1817:                                su.scale = 1.0;
                   1818:                        len = term_vspan(p, &su);
                   1819:                } else
                   1820:                        len = 1;
1.76      kristaps 1821:                break;
1.264     schwarze 1822:        case MDOC_br:
1.76      kristaps 1823:                len = 0;
                   1824:                break;
                   1825:        default:
                   1826:                len = 1;
                   1827:                break;
1.45      kristaps 1828:        }
                   1829:
                   1830:        if (0 == len)
                   1831:                term_newln(p);
1.312   ! schwarze 1832:        else if (len < 0)
        !          1833:                p->skipvsp -= len;
        !          1834:        else
        !          1835:                for (i = 0; i < len; i++)
        !          1836:                        term_vspace(p);
1.45      kristaps 1837:
                   1838:        return(0);
                   1839: }
                   1840:
                   1841: static int
1.294     schwarze 1842: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1843: {
                   1844:
                   1845:        return(0);
                   1846: }
                   1847:
                   1848: static int
1.188     kristaps 1849: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1850: {
                   1851:
1.203     kristaps 1852:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1853:                return(1);
                   1854:
1.188     kristaps 1855:        switch (n->tok) {
1.264     schwarze 1856:        case MDOC_Ao:
1.188     kristaps 1857:                /* FALLTHROUGH */
1.264     schwarze 1858:        case MDOC_Aq:
1.303     schwarze 1859:                term_word(p, n->nchild == 1 &&
                   1860:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1861:                break;
1.264     schwarze 1862:        case MDOC_Bro:
1.188     kristaps 1863:                /* FALLTHROUGH */
1.264     schwarze 1864:        case MDOC_Brq:
1.188     kristaps 1865:                term_word(p, "{");
                   1866:                break;
1.264     schwarze 1867:        case MDOC_Oo:
1.188     kristaps 1868:                /* FALLTHROUGH */
1.264     schwarze 1869:        case MDOC_Op:
1.188     kristaps 1870:                /* FALLTHROUGH */
1.264     schwarze 1871:        case MDOC_Bo:
1.188     kristaps 1872:                /* FALLTHROUGH */
1.264     schwarze 1873:        case MDOC_Bq:
1.188     kristaps 1874:                term_word(p, "[");
                   1875:                break;
1.264     schwarze 1876:        case MDOC_Do:
1.188     kristaps 1877:                /* FALLTHROUGH */
1.264     schwarze 1878:        case MDOC_Dq:
1.311     schwarze 1879:                term_word(p, "\\(Lq");
1.188     kristaps 1880:                break;
1.268     schwarze 1881:        case MDOC_En:
                   1882:                if (NULL == n->norm->Es ||
                   1883:                    NULL == n->norm->Es->child)
                   1884:                        return(1);
                   1885:                term_word(p, n->norm->Es->child->string);
                   1886:                break;
1.264     schwarze 1887:        case MDOC_Po:
1.188     kristaps 1888:                /* FALLTHROUGH */
1.264     schwarze 1889:        case MDOC_Pq:
1.188     kristaps 1890:                term_word(p, "(");
                   1891:                break;
1.264     schwarze 1892:        case MDOC__T:
1.205     kristaps 1893:                /* FALLTHROUGH */
1.264     schwarze 1894:        case MDOC_Qo:
1.188     kristaps 1895:                /* FALLTHROUGH */
1.264     schwarze 1896:        case MDOC_Qq:
1.188     kristaps 1897:                term_word(p, "\"");
                   1898:                break;
1.264     schwarze 1899:        case MDOC_Ql:
1.188     kristaps 1900:                /* FALLTHROUGH */
1.264     schwarze 1901:        case MDOC_So:
1.188     kristaps 1902:                /* FALLTHROUGH */
1.264     schwarze 1903:        case MDOC_Sq:
1.249     schwarze 1904:                term_word(p, "\\(oq");
1.188     kristaps 1905:                break;
                   1906:        default:
                   1907:                abort();
                   1908:                /* NOTREACHED */
                   1909:        }
1.1       kristaps 1910:
                   1911:        p->flags |= TERMP_NOSPACE;
                   1912:        return(1);
                   1913: }
                   1914:
                   1915: static void
1.188     kristaps 1916: termp_quote_post(DECL_ARGS)
1.1       kristaps 1917: {
                   1918:
1.295     schwarze 1919:        if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1       kristaps 1920:                return;
                   1921:
1.306     schwarze 1922:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1923:
1.188     kristaps 1924:        switch (n->tok) {
1.264     schwarze 1925:        case MDOC_Ao:
1.188     kristaps 1926:                /* FALLTHROUGH */
1.264     schwarze 1927:        case MDOC_Aq:
1.303     schwarze 1928:                term_word(p, n->nchild == 1 &&
                   1929:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1930:                break;
1.264     schwarze 1931:        case MDOC_Bro:
1.188     kristaps 1932:                /* FALLTHROUGH */
1.264     schwarze 1933:        case MDOC_Brq:
1.188     kristaps 1934:                term_word(p, "}");
                   1935:                break;
1.264     schwarze 1936:        case MDOC_Oo:
1.188     kristaps 1937:                /* FALLTHROUGH */
1.264     schwarze 1938:        case MDOC_Op:
1.188     kristaps 1939:                /* FALLTHROUGH */
1.264     schwarze 1940:        case MDOC_Bo:
1.188     kristaps 1941:                /* FALLTHROUGH */
1.264     schwarze 1942:        case MDOC_Bq:
1.188     kristaps 1943:                term_word(p, "]");
                   1944:                break;
1.264     schwarze 1945:        case MDOC_Do:
1.188     kristaps 1946:                /* FALLTHROUGH */
1.264     schwarze 1947:        case MDOC_Dq:
1.311     schwarze 1948:                term_word(p, "\\(Rq");
1.268     schwarze 1949:                break;
                   1950:        case MDOC_En:
1.306     schwarze 1951:                if (n->norm->Es == NULL ||
                   1952:                    n->norm->Es->child == NULL ||
                   1953:                    n->norm->Es->child->next == NULL)
                   1954:                        p->flags &= ~TERMP_NOSPACE;
                   1955:                else
1.268     schwarze 1956:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1957:                break;
1.264     schwarze 1958:        case MDOC_Po:
1.188     kristaps 1959:                /* FALLTHROUGH */
1.264     schwarze 1960:        case MDOC_Pq:
1.188     kristaps 1961:                term_word(p, ")");
                   1962:                break;
1.264     schwarze 1963:        case MDOC__T:
1.205     kristaps 1964:                /* FALLTHROUGH */
1.264     schwarze 1965:        case MDOC_Qo:
1.188     kristaps 1966:                /* FALLTHROUGH */
1.264     schwarze 1967:        case MDOC_Qq:
1.188     kristaps 1968:                term_word(p, "\"");
                   1969:                break;
1.264     schwarze 1970:        case MDOC_Ql:
1.188     kristaps 1971:                /* FALLTHROUGH */
1.264     schwarze 1972:        case MDOC_So:
1.188     kristaps 1973:                /* FALLTHROUGH */
1.264     schwarze 1974:        case MDOC_Sq:
1.249     schwarze 1975:                term_word(p, "\\(cq");
1.188     kristaps 1976:                break;
                   1977:        default:
                   1978:                abort();
                   1979:                /* NOTREACHED */
                   1980:        }
1.306     schwarze 1981: }
                   1982:
                   1983: static int
                   1984: termp_eo_pre(DECL_ARGS)
                   1985: {
                   1986:
                   1987:        if (n->type != MDOC_BODY)
                   1988:                return(1);
                   1989:
                   1990:        if (n->end == ENDBODY_NOT &&
                   1991:            n->parent->head->child == NULL &&
                   1992:            n->child != NULL &&
                   1993:            n->child->end != ENDBODY_NOT)
                   1994:                term_word(p, "\\&");
                   1995:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1996:             n->parent->head->child != NULL && (n->child != NULL ||
                   1997:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1998:                p->flags |= TERMP_NOSPACE;
                   1999:
                   2000:        return(1);
                   2001: }
                   2002:
                   2003: static void
                   2004: termp_eo_post(DECL_ARGS)
                   2005: {
                   2006:        int      body, tail;
                   2007:
                   2008:        if (n->type != MDOC_BODY)
                   2009:                return;
                   2010:
                   2011:        if (n->end != ENDBODY_NOT) {
                   2012:                p->flags &= ~TERMP_NOSPACE;
                   2013:                return;
                   2014:        }
                   2015:
                   2016:        body = n->child != NULL || n->parent->head->child != NULL;
                   2017:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   2018:
                   2019:        if (body && tail)
                   2020:                p->flags |= TERMP_NOSPACE;
                   2021:        else if ( ! (body || tail))
                   2022:                term_word(p, "\\&");
                   2023:        else if ( ! tail)
                   2024:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2025: }
                   2026:
                   2027: static int
                   2028: termp_fo_pre(DECL_ARGS)
                   2029: {
1.257     schwarze 2030:        size_t           rmargin = 0;
1.256     schwarze 2031:        int              pretty;
                   2032:
                   2033:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2034:
1.141     kristaps 2035:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2036:                synopsis_pre(p, n);
1.141     kristaps 2037:                return(1);
                   2038:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2039:                if (pretty) {
                   2040:                        rmargin = p->rmargin;
1.257     schwarze 2041:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2042:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2043:                                        TERMP_HANG;
1.256     schwarze 2044:                }
1.33      kristaps 2045:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2046:                term_word(p, "(");
1.222     kristaps 2047:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2048:                if (pretty) {
                   2049:                        term_flushln(p);
1.263     schwarze 2050:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2051:                                        TERMP_HANG);
1.256     schwarze 2052:                        p->offset = p->rmargin;
                   2053:                        p->rmargin = rmargin;
                   2054:                }
1.1       kristaps 2055:                return(1);
1.256     schwarze 2056:        }
1.141     kristaps 2057:
1.169     kristaps 2058:        if (NULL == n->child)
                   2059:                return(0);
                   2060:
1.141     kristaps 2061:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2062:
1.141     kristaps 2063:        assert(n->child->string);
1.102     kristaps 2064:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2065:        term_word(p, n->child->string);
1.1       kristaps 2066:        return(0);
                   2067: }
                   2068:
                   2069: static void
                   2070: termp_fo_post(DECL_ARGS)
                   2071: {
                   2072:
1.264     schwarze 2073:        if (MDOC_BODY != n->type)
1.143     kristaps 2074:                return;
                   2075:
1.222     kristaps 2076:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2077:        term_word(p, ")");
                   2078:
1.222     kristaps 2079:        if (MDOC_SYNPRETTY & n->flags) {
                   2080:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2081:                term_word(p, ";");
1.256     schwarze 2082:                term_flushln(p);
1.222     kristaps 2083:        }
1.1       kristaps 2084: }
                   2085:
                   2086: static int
                   2087: termp_bf_pre(DECL_ARGS)
                   2088: {
                   2089:
1.86      kristaps 2090:        if (MDOC_HEAD == n->type)
1.1       kristaps 2091:                return(0);
1.244     schwarze 2092:        else if (MDOC_BODY != n->type)
1.1       kristaps 2093:                return(1);
                   2094:
1.264     schwarze 2095:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2096:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2097:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2098:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2099:        else
1.102     kristaps 2100:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2101:
                   2102:        return(1);
                   2103: }
                   2104:
                   2105: static int
                   2106: termp_sm_pre(DECL_ARGS)
                   2107: {
                   2108:
1.269     schwarze 2109:        if (NULL == n->child)
                   2110:                p->flags ^= TERMP_NONOSPACE;
                   2111:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2112:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2113:        else
1.1       kristaps 2114:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2115:
                   2116:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2117:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2118:
                   2119:        return(0);
                   2120: }
                   2121:
                   2122: static int
                   2123: termp_ap_pre(DECL_ARGS)
                   2124: {
                   2125:
                   2126:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2127:        term_word(p, "'");
1.1       kristaps 2128:        p->flags |= TERMP_NOSPACE;
                   2129:        return(1);
                   2130: }
                   2131:
                   2132: static void
                   2133: termp____post(DECL_ARGS)
                   2134: {
1.184     kristaps 2135:
                   2136:        /*
                   2137:         * Handle lists of authors.  In general, print each followed by
                   2138:         * a comma.  Don't print the comma if there are only two
                   2139:         * authors.
                   2140:         */
                   2141:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2142:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2143:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2144:                                return;
1.1       kristaps 2145:
1.95      kristaps 2146:        /* TODO: %U. */
                   2147:
1.187     kristaps 2148:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2149:                return;
                   2150:
1.222     kristaps 2151:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2152:        if (NULL == n->next) {
                   2153:                term_word(p, ".");
                   2154:                p->flags |= TERMP_SENTENCE;
                   2155:        } else
                   2156:                term_word(p, ",");
1.1       kristaps 2157: }
                   2158:
                   2159: static int
1.102     kristaps 2160: termp_li_pre(DECL_ARGS)
                   2161: {
                   2162:
                   2163:        term_fontpush(p, TERMFONT_NONE);
                   2164:        return(1);
                   2165: }
                   2166:
                   2167: static int
1.1       kristaps 2168: termp_lk_pre(DECL_ARGS)
                   2169: {
1.240     schwarze 2170:        const struct mdoc_node *link, *descr;
1.1       kristaps 2171:
1.240     schwarze 2172:        if (NULL == (link = n->child))
                   2173:                return(0);
1.181     kristaps 2174:
1.240     schwarze 2175:        if (NULL != (descr = link->next)) {
                   2176:                term_fontpush(p, TERMFONT_UNDER);
                   2177:                while (NULL != descr) {
                   2178:                        term_word(p, descr->string);
                   2179:                        descr = descr->next;
                   2180:                }
                   2181:                p->flags |= TERMP_NOSPACE;
                   2182:                term_word(p, ":");
                   2183:                term_fontpop(p);
                   2184:        }
1.1       kristaps 2185:
1.102     kristaps 2186:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2187:        term_word(p, link->string);
1.102     kristaps 2188:        term_fontpop(p);
1.12      kristaps 2189:
1.1       kristaps 2190:        return(0);
                   2191: }
                   2192:
1.159     schwarze 2193: static int
                   2194: termp_bk_pre(DECL_ARGS)
                   2195: {
                   2196:
1.161     schwarze 2197:        switch (n->type) {
1.264     schwarze 2198:        case MDOC_BLOCK:
1.166     kristaps 2199:                break;
1.264     schwarze 2200:        case MDOC_HEAD:
1.161     schwarze 2201:                return(0);
1.264     schwarze 2202:        case MDOC_BODY:
1.200     schwarze 2203:                if (n->parent->args || 0 == n->prev->nchild)
                   2204:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2205:                break;
1.161     schwarze 2206:        default:
                   2207:                abort();
1.166     kristaps 2208:                /* NOTREACHED */
1.161     schwarze 2209:        }
1.166     kristaps 2210:
                   2211:        return(1);
1.159     schwarze 2212: }
                   2213:
                   2214: static void
                   2215: termp_bk_post(DECL_ARGS)
                   2216: {
                   2217:
1.253     schwarze 2218:        if (MDOC_BODY == n->type)
1.161     schwarze 2219:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2220: }
                   2221:
                   2222: static void
                   2223: termp__t_post(DECL_ARGS)
                   2224: {
                   2225:
                   2226:        /*
                   2227:         * If we're in an `Rs' and there's a journal present, then quote
                   2228:         * us instead of underlining us (for disambiguation).
                   2229:         */
1.217     schwarze 2230:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2231:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2232:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2233:
1.245     schwarze 2234:        termp____post(p, pair, meta, n);
1.203     kristaps 2235: }
                   2236:
                   2237: static int
                   2238: termp__t_pre(DECL_ARGS)
                   2239: {
                   2240:
                   2241:        /*
                   2242:         * If we're in an `Rs' and there's a journal present, then quote
                   2243:         * us instead of underlining us (for disambiguation).
                   2244:         */
                   2245:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2246:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2247:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2248:
                   2249:        term_fontpush(p, TERMFONT_UNDER);
                   2250:        return(1);
1.159     schwarze 2251: }
1.1       kristaps 2252:
                   2253: static int
1.69      kristaps 2254: termp_under_pre(DECL_ARGS)
1.1       kristaps 2255: {
                   2256:
1.102     kristaps 2257:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2258:        return(1);
                   2259: }

CVSweb