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Annotation of mandoc/mdoc_term.c, Revision 1.286

1.286   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.285 2014/10/20 02:47:09 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259     schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 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>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.266     schwarze   31: #include "mandoc_aux.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.264     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
                     53: static size_t    a2height(const struct termp *, const char *);
                     54: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.151     kristaps   57:                        const struct mdoc_node *,
1.96      kristaps   58:                        const struct mdoc_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.143     kristaps   64:                        const struct mdoc_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_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);
1.268     schwarze   95: static int       termp_es_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);
                    115: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  116: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  118: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  120: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_xr_pre(DECL_ARGS);
                    122: static int       termp_xx_pre(DECL_ARGS);
                    123:
1.70      kristaps  124: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  125:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  126:        { NULL, NULL }, /* Dd */
                    127:        { NULL, NULL }, /* Dt */
                    128:        { NULL, NULL }, /* Os */
                    129:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  130:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    131:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  132:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    133:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  134:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    135:        { NULL, NULL }, /* Ed */
1.115     kristaps  136:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  137:        { NULL, NULL }, /* El */
                    138:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  139:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  140:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  141:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  142:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  143:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  144:        { NULL, NULL }, /* Dv */
                    145:        { NULL, NULL }, /* Er */
                    146:        { NULL, NULL }, /* Ev */
1.1       kristaps  147:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  148:        { termp_fa_pre, NULL }, /* Fa */
                    149:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  150:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  151:        { termp_fn_pre, NULL }, /* Fn */
                    152:        { termp_ft_pre, NULL }, /* Ft */
                    153:        { termp_bold_pre, NULL }, /* Ic */
                    154:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  155:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  156:        { termp_nd_pre, NULL }, /* Nd */
                    157:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  158:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  159:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  160:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  161:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  162:        { NULL, NULL }, /* St */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  164:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  165:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  166:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  167:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  168:        { NULL, termp____post }, /* %D */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  170:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  171:        { NULL, termp____post }, /* %N */
                    172:        { NULL, termp____post }, /* %O */
                    173:        { NULL, termp____post }, /* %P */
                    174:        { NULL, termp____post }, /* %R */
1.203     kristaps  175:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  176:        { NULL, termp____post }, /* %V */
                    177:        { NULL, NULL }, /* Ac */
1.188     kristaps  178:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    179:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  180:        { NULL, NULL }, /* At */
1.1       kristaps  181:        { NULL, NULL }, /* Bc */
1.264     schwarze  182:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  183:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    184:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  185:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  186:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  187:        { NULL, NULL }, /* Db */
                    188:        { NULL, NULL }, /* Dc */
1.188     kristaps  189:        { termp_quote_pre, termp_quote_post }, /* Do */
                    190:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  191:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  192:        { NULL, NULL }, /* Ef */
1.264     schwarze  193:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  194:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  195:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  196:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  197:        { NULL, NULL }, /* No */
1.1       kristaps  198:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  199:        { termp_xx_pre, NULL }, /* Nx */
                    200:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  201:        { NULL, NULL }, /* Pc */
1.254     schwarze  202:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  203:        { termp_quote_pre, termp_quote_post }, /* Po */
                    204:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  205:        { NULL, NULL }, /* Qc */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  209:        { NULL, NULL }, /* Re */
                    210:        { termp_rs_pre, NULL }, /* Rs */
                    211:        { NULL, NULL }, /* Sc */
1.188     kristaps  212:        { termp_quote_pre, termp_quote_post }, /* So */
                    213:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  214:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  215:        { termp_under_pre, NULL }, /* Sx */
                    216:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  217:        { NULL, NULL }, /* Tn */
1.26      kristaps  218:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  219:        { NULL, NULL }, /* Xc */
                    220:        { NULL, NULL }, /* Xo */
1.264     schwarze  221:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    222:        { NULL, NULL }, /* Fc */
1.188     kristaps  223:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  224:        { NULL, NULL }, /* Oc */
1.159     schwarze  225:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  226:        { NULL, NULL }, /* Ek */
                    227:        { termp_bt_pre, NULL }, /* Bt */
                    228:        { NULL, NULL }, /* Hf */
1.268     schwarze  229:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  230:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  231:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  232:        { termp_sp_pre, NULL }, /* Lp */
                    233:        { termp_lk_pre, NULL }, /* Lk */
                    234:        { termp_under_pre, NULL }, /* Mt */
                    235:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    236:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    237:        { NULL, NULL }, /* Brc */
                    238:        { NULL, termp____post }, /* %C */
1.268     schwarze  239:        { termp_es_pre, NULL }, /* Es */
                    240:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  241:        { termp_xx_pre, NULL }, /* Dx */
                    242:        { NULL, termp____post }, /* %Q */
1.76      kristaps  243:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  244:        { termp_sp_pre, NULL }, /* sp */
                    245:        { NULL, termp____post }, /* %U */
                    246:        { NULL, NULL }, /* Ta */
1.260     schwarze  247:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  248: };
                    249:
                    250:
1.70      kristaps  251: void
1.89      kristaps  252: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  253: {
1.245     schwarze  254:        const struct mdoc_meta  *meta;
1.281     schwarze  255:        struct mdoc_node        *n;
1.89      kristaps  256:        struct termp            *p;
                    257:
                    258:        p = (struct termp *)arg;
1.111     kristaps  259:
                    260:        p->overstep = 0;
1.281     schwarze  261:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  262:        p->tabwidth = term_len(p, 5);
1.89      kristaps  263:
                    264:        if (NULL == p->symtab)
1.230     kristaps  265:                p->symtab = mchars_alloc();
1.70      kristaps  266:
1.281     schwarze  267:        n = mdoc_node(mdoc)->child;
1.245     schwarze  268:        meta = mdoc_meta(mdoc);
1.146     schwarze  269:
1.281     schwarze  270:        if (p->synopsisonly) {
                    271:                while (n != NULL) {
                    272:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    273:                                if (n->child->next->child != NULL)
                    274:                                        print_mdoc_nodelist(p, NULL,
                    275:                                            meta, n->child->next->child);
                    276:                                term_newln(p);
                    277:                                break;
                    278:                        }
                    279:                        n = n->next;
                    280:                }
                    281:        } else {
                    282:                if (p->defindent == 0)
                    283:                        p->defindent = 5;
                    284:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    285:                if (n != NULL) {
                    286:                        if (n->tok != MDOC_Sh)
                    287:                                term_vspace(p);
                    288:                        print_mdoc_nodelist(p, NULL, meta, n);
                    289:                }
                    290:                term_end(p);
1.271     schwarze  291:        }
1.1       kristaps  292: }
                    293:
1.3       kristaps  294: static void
1.102     kristaps  295: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  296: {
                    297:
1.245     schwarze  298:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  299:        if (n->next)
1.245     schwarze  300:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  301: }
                    302:
1.3       kristaps  303: static void
1.102     kristaps  304: print_mdoc_node(DECL_ARGS)
1.1       kristaps  305: {
1.102     kristaps  306:        int              chld;
1.1       kristaps  307:        struct termpair  npair;
1.30      kristaps  308:        size_t           offset, rmargin;
1.1       kristaps  309:
1.70      kristaps  310:        chld = 1;
1.29      kristaps  311:        offset = p->offset;
1.30      kristaps  312:        rmargin = p->rmargin;
1.244     schwarze  313:        n->prev_font = term_fontq(p);
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:
1.253     schwarze  323:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  324:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  325:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  326:                        p->flags &= ~TERMP_KEEP;
                    327:                        p->flags |= TERMP_PREKEEP;
                    328:                }
                    329:        }
1.197     schwarze  330:
                    331:        /*
1.217     schwarze  332:         * After the keep flags have been set up, we may now
                    333:         * produce output.  Note that some pre-handlers do so.
                    334:         */
                    335:
                    336:        switch (n->type) {
1.264     schwarze  337:        case MDOC_TEXT:
1.217     schwarze  338:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    339:                        term_newln(p);
1.222     kristaps  340:                if (MDOC_DELIMC & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                term_word(p, n->string);
1.222     kristaps  343:                if (MDOC_DELIMO & n->flags)
                    344:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  345:                break;
1.264     schwarze  346:        case MDOC_EQN:
1.284     schwarze  347:                if ( ! (n->flags & MDOC_LINE))
                    348:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  349:                term_eqn(p, n->eqn);
1.286   ! schwarze  350:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  351:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  352:                break;
1.264     schwarze  353:        case MDOC_TBL:
1.217     schwarze  354:                term_tbl(p, n->span);
                    355:                break;
                    356:        default:
                    357:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    358:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  359:                                (p, &npair, meta, n);
1.217     schwarze  360:                break;
                    361:        }
                    362:
1.86      kristaps  363:        if (chld && n->child)
1.245     schwarze  364:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  365:
1.244     schwarze  366:        term_fontpopq(p,
                    367:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  368:
1.206     kristaps  369:        switch (n->type) {
1.264     schwarze  370:        case MDOC_TEXT:
1.206     kristaps  371:                break;
1.264     schwarze  372:        case MDOC_TBL:
1.216     kristaps  373:                break;
1.264     schwarze  374:        case MDOC_EQN:
1.206     kristaps  375:                break;
                    376:        default:
                    377:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    378:                        break;
1.245     schwarze  379:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  380:
                    381:                /*
                    382:                 * Explicit end tokens not only call the post
                    383:                 * handler, but also tell the respective block
                    384:                 * that it must not call the post handler again.
                    385:                 */
1.165     kristaps  386:                if (ENDBODY_NOT != n->end)
1.162     schwarze  387:                        n->pending->flags |= MDOC_ENDED;
                    388:
                    389:                /*
                    390:                 * End of line terminating an implicit block
                    391:                 * while an explicit block is still open.
                    392:                 * Continue the explicit block without spacing.
                    393:                 */
                    394:                if (ENDBODY_NOSPACE == n->end)
                    395:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  396:                break;
1.162     schwarze  397:        }
1.121     kristaps  398:
                    399:        if (MDOC_EOS & n->flags)
                    400:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  401:
1.260     schwarze  402:        if (MDOC_ll != n->tok) {
                    403:                p->offset = offset;
                    404:                p->rmargin = rmargin;
                    405:        }
1.1       kristaps  406: }
                    407:
1.3       kristaps  408: static void
1.145     kristaps  409: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  410: {
1.245     schwarze  411:        const struct mdoc_meta *meta;
1.144     kristaps  412:
1.245     schwarze  413:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  414:
1.102     kristaps  415:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  416:
1.264     schwarze  417:        /*
1.9       kristaps  418:         * Output the footer in new-groff style, that is, three columns
                    419:         * with the middle being the manual date and flanking columns
                    420:         * being the operating system:
                    421:         *
                    422:         * SYSTEM                  DATE                    SYSTEM
                    423:         */
                    424:
1.1       kristaps  425:        term_vspace(p);
                    426:
1.9       kristaps  427:        p->offset = 0;
1.264     schwarze  428:        p->rmargin = (p->maxrmargin -
                    429:            term_strlen(p, meta->date) + term_len(p, 1)) / 2;
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;
1.245     schwarze  437:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  438:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  439:
1.245     schwarze  440:        term_word(p, meta->date);
1.9       kristaps  441:        term_flushln(p);
                    442:
1.1       kristaps  443:        p->offset = p->rmargin;
                    444:        p->rmargin = p->maxrmargin;
1.250     schwarze  445:        p->trailspace = 0;
1.1       kristaps  446:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  447:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  448:
1.245     schwarze  449:        term_word(p, meta->os);
1.1       kristaps  450:        term_flushln(p);
                    451:
1.9       kristaps  452:        p->offset = 0;
                    453:        p->rmargin = p->maxrmargin;
                    454:        p->flags = 0;
1.1       kristaps  455: }
                    456:
1.3       kristaps  457: static void
1.144     kristaps  458: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  459: {
1.266     schwarze  460:        const struct mdoc_meta  *meta;
1.267     schwarze  461:        char                    *volume, *title;
                    462:        size_t                   vollen, titlen;
1.144     kristaps  463:
1.245     schwarze  464:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  465:
                    466:        /*
                    467:         * The header is strange.  It has three components, which are
                    468:         * really two with the first duplicated.  It goes like this:
                    469:         *
                    470:         * IDENTIFIER              TITLE                   IDENTIFIER
                    471:         *
                    472:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    473:         * (if given, or "unknown" if not) followed by the manual page
                    474:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    475:         * string depending on the manual volume.  If not specified, it
                    476:         * switches on the manual section.
                    477:         */
1.235     schwarze  478:
1.245     schwarze  479:        assert(meta->vol);
1.267     schwarze  480:        if (NULL == meta->arch)
                    481:                volume = mandoc_strdup(meta->vol);
                    482:        else
                    483:                mandoc_asprintf(&volume, "%s (%s)",
                    484:                    meta->vol, meta->arch);
                    485:        vollen = term_strlen(p, volume);
1.1       kristaps  486:
1.275     schwarze  487:        if (NULL == meta->msec)
                    488:                title = mandoc_strdup(meta->title);
                    489:        else
                    490:                mandoc_asprintf(&title, "%s(%s)",
                    491:                    meta->title, meta->msec);
1.235     schwarze  492:        titlen = term_strlen(p, title);
1.1       kristaps  493:
1.235     schwarze  494:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  495:        p->trailspace = 1;
1.1       kristaps  496:        p->offset = 0;
1.267     schwarze  497:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    498:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
                    499:            p->maxrmargin - vollen;
1.1       kristaps  500:
                    501:        term_word(p, title);
                    502:        term_flushln(p);
                    503:
1.235     schwarze  504:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  505:        p->offset = p->rmargin;
1.267     schwarze  506:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  507:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  508:
1.267     schwarze  509:        term_word(p, volume);
1.1       kristaps  510:        term_flushln(p);
                    511:
                    512:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  513:        p->trailspace = 0;
1.235     schwarze  514:        if (p->rmargin + titlen <= p->maxrmargin) {
                    515:                p->flags |= TERMP_NOSPACE;
                    516:                p->offset = p->rmargin;
                    517:                p->rmargin = p->maxrmargin;
                    518:                term_word(p, title);
                    519:                term_flushln(p);
                    520:        }
1.1       kristaps  521:
1.235     schwarze  522:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  523:        p->offset = 0;
1.1       kristaps  524:        p->rmargin = p->maxrmargin;
1.266     schwarze  525:        free(title);
1.267     schwarze  526:        free(volume);
1.1       kristaps  527: }
                    528:
                    529: static size_t
1.157     kristaps  530: a2height(const struct termp *p, const char *v)
1.1       kristaps  531: {
1.92      kristaps  532:        struct roffsu    su;
1.91      kristaps  533:
1.231     kristaps  534:
1.157     kristaps  535:        assert(v);
                    536:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  537:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  538:
1.157     kristaps  539:        return(term_vspan(p, &su));
1.91      kristaps  540: }
1.1       kristaps  541:
1.91      kristaps  542: static size_t
1.157     kristaps  543: a2width(const struct termp *p, const char *v)
1.91      kristaps  544: {
1.92      kristaps  545:        struct roffsu    su;
1.1       kristaps  546:
1.154     kristaps  547:        assert(v);
1.283     schwarze  548:        if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  549:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  550:                su.scale /= term_strlen(p, "0");
                    551:        }
1.1       kristaps  552:
1.157     kristaps  553:        return(term_hspan(p, &su));
1.1       kristaps  554: }
                    555:
                    556: static size_t
1.157     kristaps  557: a2offs(const struct termp *p, const char *v)
1.1       kristaps  558: {
1.92      kristaps  559:        struct roffsu    su;
1.1       kristaps  560:
1.148     kristaps  561:        if ('\0' == *v)
1.91      kristaps  562:                return(0);
1.148     kristaps  563:        else if (0 == strcmp(v, "left"))
1.19      kristaps  564:                return(0);
1.148     kristaps  565:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  566:                return(term_len(p, p->defindent + 1));
1.148     kristaps  567:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  568:                return(term_len(p, (p->defindent + 1) * 2));
1.283     schwarze  569:        else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  570:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  571:                su.scale /= term_strlen(p, "0");
                    572:        }
1.10      kristaps  573:
1.157     kristaps  574:        return(term_hspan(p, &su));
1.1       kristaps  575: }
                    576:
1.108     kristaps  577: /*
                    578:  * Determine how much space to print out before block elements of `It'
                    579:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    580:  * too.
                    581:  */
1.54      kristaps  582: static void
1.264     schwarze  583: print_bvspace(struct termp *p,
                    584:        const struct mdoc_node *bl,
                    585:        const struct mdoc_node *n)
1.1       kristaps  586: {
1.86      kristaps  587:        const struct mdoc_node  *nn;
1.236     schwarze  588:
                    589:        assert(n);
1.1       kristaps  590:
                    591:        term_newln(p);
1.150     kristaps  592:
1.202     kristaps  593:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  594:                return;
1.202     kristaps  595:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  596:                return;
                    597:
1.85      kristaps  598:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  599:
1.86      kristaps  600:        for (nn = n; nn; nn = nn->parent) {
                    601:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  602:                        continue;
1.86      kristaps  603:                if (MDOC_Ss == nn->tok)
1.54      kristaps  604:                        return;
1.86      kristaps  605:                if (MDOC_Sh == nn->tok)
1.54      kristaps  606:                        return;
1.86      kristaps  607:                if (NULL == nn->prev)
1.1       kristaps  608:                        continue;
                    609:                break;
                    610:        }
                    611:
1.85      kristaps  612:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  613:
1.202     kristaps  614:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  615:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  616:                        return;
                    617:
1.85      kristaps  618:        /* A `-diag' without body does not vspace. */
                    619:
1.202     kristaps  620:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  621:                if (n->prev && MDOC_It == n->prev->tok) {
                    622:                        assert(n->prev->body);
                    623:                        if (NULL == n->prev->body->child)
1.55      kristaps  624:                                return;
                    625:                }
                    626:
1.54      kristaps  627:        term_vspace(p);
1.260     schwarze  628: }
                    629:
                    630:
                    631: static int
                    632: termp_ll_pre(DECL_ARGS)
                    633: {
                    634:
1.261     schwarze  635:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  636:        return(0);
1.1       kristaps  637: }
                    638:
                    639: static int
                    640: termp_it_pre(DECL_ARGS)
                    641: {
1.86      kristaps  642:        const struct mdoc_node *bl, *nn;
1.265     schwarze  643:        char                    buf[24];
1.264     schwarze  644:        int                     i;
                    645:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  646:        enum mdoc_list          type;
1.1       kristaps  647:
1.86      kristaps  648:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  649:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  650:                return(1);
                    651:        }
1.1       kristaps  652:
1.86      kristaps  653:        bl = n->parent->parent->parent;
1.202     kristaps  654:        type = bl->norm->Bl.type;
1.1       kristaps  655:
1.264     schwarze  656:        /*
1.108     kristaps  657:         * First calculate width and offset.  This is pretty easy unless
                    658:         * we're a -column list, in which case all prior columns must
                    659:         * be accounted for.
                    660:         */
                    661:
                    662:        width = offset = 0;
                    663:
1.202     kristaps  664:        if (bl->norm->Bl.offs)
                    665:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  666:
1.1       kristaps  667:        switch (type) {
1.264     schwarze  668:        case LIST_column:
1.134     kristaps  669:                if (MDOC_HEAD == n->type)
1.1       kristaps  670:                        break;
1.155     kristaps  671:
1.105     kristaps  672:                /*
1.108     kristaps  673:                 * Imitate groff's column handling:
                    674:                 * - For each earlier column, add its width.
                    675:                 * - For less than 5 columns, add four more blanks per
                    676:                 *   column.
                    677:                 * - For exactly 5 columns, add three more blank per
                    678:                 *   column.
                    679:                 * - For more than 5 columns, add only one column.
1.105     kristaps  680:                 */
1.202     kristaps  681:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  682:                dcol = ncols < 5 ? term_len(p, 4) :
                    683:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  684:
1.134     kristaps  685:                /*
                    686:                 * Calculate the offset by applying all prior MDOC_BODY,
                    687:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    688:                 */
                    689:
1.264     schwarze  690:                for (i = 0, nn = n->prev;
                    691:                    nn->prev && i < (int)ncols;
                    692:                    nn = nn->prev, i++)
                    693:                        offset += dcol + a2width(p,
                    694:                            bl->norm->Bl.cols[i]);
1.105     kristaps  695:
                    696:                /*
1.108     kristaps  697:                 * When exceeding the declared number of columns, leave
                    698:                 * the remaining widths at 0.  This will later be
                    699:                 * adjusted to the default width of 10, or, for the last
                    700:                 * column, stretched to the right margin.
1.58      kristaps  701:                 */
1.108     kristaps  702:                if (i >= (int)ncols)
                    703:                        break;
1.58      kristaps  704:
1.105     kristaps  705:                /*
1.108     kristaps  706:                 * Use the declared column widths, extended as explained
                    707:                 * in the preceding paragraph.
1.105     kristaps  708:                 */
1.202     kristaps  709:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  710:                break;
                    711:        default:
1.202     kristaps  712:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  713:                        break;
                    714:
1.264     schwarze  715:                /*
1.108     kristaps  716:                 * Note: buffer the width by 2, which is groff's magic
                    717:                 * number for buffering single arguments.  See the above
                    718:                 * handling for column for how this changes.
                    719:                 */
1.202     kristaps  720:                assert(bl->norm->Bl.width);
                    721:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  722:                break;
                    723:        }
                    724:
1.264     schwarze  725:        /*
1.1       kristaps  726:         * List-type can override the width in the case of fixed-head
                    727:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  728:         * offset.
1.1       kristaps  729:         */
                    730:
                    731:        switch (type) {
1.264     schwarze  732:        case LIST_bullet:
1.1       kristaps  733:                /* FALLTHROUGH */
1.264     schwarze  734:        case LIST_dash:
1.1       kristaps  735:                /* FALLTHROUGH */
1.264     schwarze  736:        case LIST_hyphen:
1.242     schwarze  737:                /* FALLTHROUGH */
1.264     schwarze  738:        case LIST_enum:
1.242     schwarze  739:                if (width < term_len(p, 2))
                    740:                        width = term_len(p, 2);
1.17      kristaps  741:                break;
1.264     schwarze  742:        case LIST_hang:
1.39      kristaps  743:                if (0 == width)
1.157     kristaps  744:                        width = term_len(p, 8);
1.39      kristaps  745:                break;
1.264     schwarze  746:        case LIST_column:
1.49      kristaps  747:                /* FALLTHROUGH */
1.264     schwarze  748:        case LIST_tag:
1.1       kristaps  749:                if (0 == width)
1.157     kristaps  750:                        width = term_len(p, 10);
1.1       kristaps  751:                break;
                    752:        default:
                    753:                break;
                    754:        }
                    755:
1.264     schwarze  756:        /*
1.17      kristaps  757:         * Whitespace control.  Inset bodies need an initial space,
                    758:         * while diagonal bodies need two.
1.1       kristaps  759:         */
                    760:
1.51      kristaps  761:        p->flags |= TERMP_NOSPACE;
                    762:
1.1       kristaps  763:        switch (type) {
1.264     schwarze  764:        case LIST_diag:
1.86      kristaps  765:                if (MDOC_BODY == n->type)
1.62      kristaps  766:                        term_word(p, "\\ \\ ");
1.51      kristaps  767:                break;
1.264     schwarze  768:        case LIST_inset:
1.270     schwarze  769:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  770:                        term_word(p, "\\ ");
1.1       kristaps  771:                break;
                    772:        default:
                    773:                break;
                    774:        }
                    775:
1.51      kristaps  776:        p->flags |= TERMP_NOSPACE;
                    777:
1.1       kristaps  778:        switch (type) {
1.264     schwarze  779:        case LIST_diag:
1.86      kristaps  780:                if (MDOC_HEAD == n->type)
1.102     kristaps  781:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  782:                break;
                    783:        default:
                    784:                break;
                    785:        }
                    786:
                    787:        /*
1.109     kristaps  788:         * Pad and break control.  This is the tricky part.  These flags
                    789:         * are documented in term_flushln() in term.c.  Note that we're
                    790:         * going to unset all of these flags in termp_it_post() when we
                    791:         * exit.
1.1       kristaps  792:         */
                    793:
                    794:        switch (type) {
1.264     schwarze  795:        case LIST_enum:
1.242     schwarze  796:                /*
                    797:                 * Weird special case.
                    798:                 * Very narrow enum lists actually hang.
                    799:                 */
                    800:                if (width == term_len(p, 2))
                    801:                        p->flags |= TERMP_HANG;
                    802:                /* FALLTHROUGH */
1.264     schwarze  803:        case LIST_bullet:
1.1       kristaps  804:                /* FALLTHROUGH */
1.264     schwarze  805:        case LIST_dash:
1.1       kristaps  806:                /* FALLTHROUGH */
1.264     schwarze  807:        case LIST_hyphen:
1.250     schwarze  808:                if (MDOC_HEAD != n->type)
                    809:                        break;
                    810:                p->flags |= TERMP_NOBREAK;
                    811:                p->trailspace = 1;
1.39      kristaps  812:                break;
1.264     schwarze  813:        case LIST_hang:
1.250     schwarze  814:                if (MDOC_HEAD != n->type)
1.59      kristaps  815:                        break;
                    816:
                    817:                /*
                    818:                 * This is ugly.  If `-hang' is specified and the body
                    819:                 * is a `Bl' or `Bd', then we want basically to nullify
                    820:                 * the "overstep" effect in term_flushln() and treat
                    821:                 * this as a `-ohang' list instead.
                    822:                 */
1.279     schwarze  823:                if (NULL != n->next &&
1.278     schwarze  824:                    NULL != n->next->child &&
                    825:                    (MDOC_Bl == n->next->child->tok ||
                    826:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  827:                        break;
                    828:
1.263     schwarze  829:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  830:                p->trailspace = 1;
1.39      kristaps  831:                break;
1.264     schwarze  832:        case LIST_tag:
1.86      kristaps  833:                if (MDOC_HEAD != n->type)
1.39      kristaps  834:                        break;
1.250     schwarze  835:
1.263     schwarze  836:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  837:                p->trailspace = 2;
                    838:
1.86      kristaps  839:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  840:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  841:                break;
1.264     schwarze  842:        case LIST_column:
1.134     kristaps  843:                if (MDOC_HEAD == n->type)
                    844:                        break;
                    845:
1.250     schwarze  846:                if (NULL == n->next) {
1.134     kristaps  847:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  848:                        p->trailspace = 0;
                    849:                } else {
1.134     kristaps  850:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  851:                        p->trailspace = 1;
                    852:                }
1.134     kristaps  853:
1.1       kristaps  854:                break;
1.264     schwarze  855:        case LIST_diag:
1.250     schwarze  856:                if (MDOC_HEAD != n->type)
                    857:                        break;
1.263     schwarze  858:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  859:                p->trailspace = 1;
1.1       kristaps  860:                break;
                    861:        default:
                    862:                break;
                    863:        }
                    864:
1.264     schwarze  865:        /*
1.1       kristaps  866:         * Margin control.  Set-head-width lists have their right
                    867:         * margins shortened.  The body for these lists has the offset
                    868:         * necessarily lengthened.  Everybody gets the offset.
                    869:         */
                    870:
                    871:        p->offset += offset;
                    872:
                    873:        switch (type) {
1.264     schwarze  874:        case LIST_hang:
1.59      kristaps  875:                /*
                    876:                 * Same stipulation as above, regarding `-hang'.  We
                    877:                 * don't want to recalculate rmargin and offsets when
                    878:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    879:                 */
1.279     schwarze  880:                if (MDOC_HEAD == n->type &&
                    881:                    NULL != n->next &&
1.278     schwarze  882:                    NULL != n->next->child &&
                    883:                    (MDOC_Bl == n->next->child->tok ||
                    884:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  885:                        break;
                    886:                /* FALLTHROUGH */
1.264     schwarze  887:        case LIST_bullet:
1.1       kristaps  888:                /* FALLTHROUGH */
1.264     schwarze  889:        case LIST_dash:
1.1       kristaps  890:                /* FALLTHROUGH */
1.264     schwarze  891:        case LIST_enum:
1.1       kristaps  892:                /* FALLTHROUGH */
1.264     schwarze  893:        case LIST_hyphen:
1.1       kristaps  894:                /* FALLTHROUGH */
1.264     schwarze  895:        case LIST_tag:
1.49      kristaps  896:                assert(width);
1.86      kristaps  897:                if (MDOC_HEAD == n->type)
1.1       kristaps  898:                        p->rmargin = p->offset + width;
1.259     schwarze  899:                else {
1.1       kristaps  900:                        p->offset += width;
1.259     schwarze  901:                        if (p->rmargin < p->offset)
                    902:                                p->rmargin = p->offset;
                    903:                }
1.1       kristaps  904:                break;
1.264     schwarze  905:        case LIST_column:
1.49      kristaps  906:                assert(width);
1.1       kristaps  907:                p->rmargin = p->offset + width;
1.264     schwarze  908:                /*
1.50      kristaps  909:                 * XXX - this behaviour is not documented: the
                    910:                 * right-most column is filled to the right margin.
                    911:                 */
1.134     kristaps  912:                if (MDOC_HEAD == n->type)
                    913:                        break;
                    914:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  915:                        p->rmargin = p->maxrmargin;
1.1       kristaps  916:                break;
                    917:        default:
                    918:                break;
                    919:        }
                    920:
1.264     schwarze  921:        /*
1.1       kristaps  922:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  923:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  924:         */
                    925:
1.86      kristaps  926:        if (MDOC_HEAD == n->type)
1.1       kristaps  927:                switch (type) {
1.264     schwarze  928:                case LIST_bullet:
1.102     kristaps  929:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  930:                        term_word(p, "\\[bu]");
1.102     kristaps  931:                        term_fontpop(p);
1.1       kristaps  932:                        break;
1.264     schwarze  933:                case LIST_dash:
1.1       kristaps  934:                        /* FALLTHROUGH */
1.264     schwarze  935:                case LIST_hyphen:
1.102     kristaps  936:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  937:                        term_word(p, "\\(hy");
1.102     kristaps  938:                        term_fontpop(p);
1.1       kristaps  939:                        break;
1.264     schwarze  940:                case LIST_enum:
1.1       kristaps  941:                        (pair->ppair->ppair->count)++;
1.265     schwarze  942:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  943:                            pair->ppair->ppair->count);
1.1       kristaps  944:                        term_word(p, buf);
                    945:                        break;
                    946:                default:
                    947:                        break;
                    948:                }
                    949:
1.264     schwarze  950:        /*
1.1       kristaps  951:         * If we're not going to process our children, indicate so here.
                    952:         */
                    953:
                    954:        switch (type) {
1.264     schwarze  955:        case LIST_bullet:
1.1       kristaps  956:                /* FALLTHROUGH */
1.264     schwarze  957:        case LIST_item:
1.1       kristaps  958:                /* FALLTHROUGH */
1.264     schwarze  959:        case LIST_dash:
1.1       kristaps  960:                /* FALLTHROUGH */
1.264     schwarze  961:        case LIST_hyphen:
1.1       kristaps  962:                /* FALLTHROUGH */
1.264     schwarze  963:        case LIST_enum:
1.86      kristaps  964:                if (MDOC_HEAD == n->type)
1.1       kristaps  965:                        return(0);
                    966:                break;
1.264     schwarze  967:        case LIST_column:
1.134     kristaps  968:                if (MDOC_HEAD == n->type)
1.1       kristaps  969:                        return(0);
                    970:                break;
                    971:        default:
                    972:                break;
                    973:        }
                    974:
                    975:        return(1);
                    976: }
                    977:
                    978: static void
                    979: termp_it_post(DECL_ARGS)
                    980: {
1.126     kristaps  981:        enum mdoc_list     type;
1.1       kristaps  982:
1.109     kristaps  983:        if (MDOC_BLOCK == n->type)
1.1       kristaps  984:                return;
                    985:
1.202     kristaps  986:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  987:
                    988:        switch (type) {
1.264     schwarze  989:        case LIST_item:
1.1       kristaps  990:                /* FALLTHROUGH */
1.264     schwarze  991:        case LIST_diag:
1.53      kristaps  992:                /* FALLTHROUGH */
1.264     schwarze  993:        case LIST_inset:
1.86      kristaps  994:                if (MDOC_BODY == n->type)
1.130     schwarze  995:                        term_newln(p);
1.1       kristaps  996:                break;
1.264     schwarze  997:        case LIST_column:
1.134     kristaps  998:                if (MDOC_BODY == n->type)
1.1       kristaps  999:                        term_flushln(p);
                   1000:                break;
                   1001:        default:
1.130     schwarze 1002:                term_newln(p);
1.1       kristaps 1003:                break;
                   1004:        }
                   1005:
1.264     schwarze 1006:        /*
1.109     kristaps 1007:         * Now that our output is flushed, we can reset our tags.  Since
                   1008:         * only `It' sets these flags, we're free to assume that nobody
                   1009:         * has munged them in the meanwhile.
                   1010:         */
                   1011:
1.263     schwarze 1012:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1013:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze 1014:        p->trailspace = 0;
1.1       kristaps 1015: }
                   1016:
                   1017: static int
                   1018: termp_nm_pre(DECL_ARGS)
                   1019: {
                   1020:
1.253     schwarze 1021:        if (MDOC_BLOCK == n->type) {
                   1022:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1023:                return(1);
1.253     schwarze 1024:        }
1.164     schwarze 1025:
                   1026:        if (MDOC_BODY == n->type) {
                   1027:                if (NULL == n->child)
                   1028:                        return(0);
1.234     schwarze 1029:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1030:                p->offset += term_len(p, 1) +
1.245     schwarze 1031:                    (NULL == n->prev->child ?
                   1032:                     term_strlen(p, meta->name) :
1.164     schwarze 1033:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1034:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1035:                     term_len(p, 5));
1.262     schwarze 1036:                if (p->rmargin < p->offset)
                   1037:                        p->rmargin = p->offset;
1.164     schwarze 1038:                return(1);
                   1039:        }
                   1040:
1.245     schwarze 1041:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1042:                return(0);
1.125     kristaps 1043:
1.177     schwarze 1044:        if (MDOC_HEAD == n->type)
                   1045:                synopsis_pre(p, n->parent);
1.102     kristaps 1046:
1.279     schwarze 1047:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1048:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1049:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1050:                p->trailspace = 1;
1.185     schwarze 1051:                p->rmargin = p->offset + term_len(p, 1);
                   1052:                if (NULL == n->child) {
1.245     schwarze 1053:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1054:                } else if (MDOC_TEXT == n->child->type) {
                   1055:                        p->rmargin += term_strlen(p, n->child->string);
                   1056:                        if (n->child->next)
                   1057:                                p->flags |= TERMP_HANG;
                   1058:                } else {
                   1059:                        p->rmargin += term_len(p, 5);
                   1060:                        p->flags |= TERMP_HANG;
                   1061:                }
1.164     schwarze 1062:        }
                   1063:
1.102     kristaps 1064:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1065:        if (NULL == n->child)
1.245     schwarze 1066:                term_word(p, meta->name);
1.1       kristaps 1067:        return(1);
                   1068: }
                   1069:
1.164     schwarze 1070: static void
                   1071: termp_nm_post(DECL_ARGS)
                   1072: {
                   1073:
1.253     schwarze 1074:        if (MDOC_BLOCK == n->type) {
                   1075:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1076:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1077:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1078:                term_flushln(p);
1.263     schwarze 1079:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1080:                p->trailspace = 0;
1.234     schwarze 1081:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1082:                term_flushln(p);
                   1083: }
                   1084:
1.1       kristaps 1085: static int
                   1086: termp_fl_pre(DECL_ARGS)
                   1087: {
                   1088:
1.102     kristaps 1089:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1090:        term_word(p, "\\-");
1.103     kristaps 1091:
1.280     schwarze 1092:        if ( ! (n->nchild == 0 &&
                   1093:            (n->next == NULL ||
                   1094:             n->next->type == MDOC_TEXT ||
                   1095:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1096:                p->flags |= TERMP_NOSPACE;
                   1097:
1.1       kristaps 1098:        return(1);
                   1099: }
                   1100:
                   1101: static int
1.184     kristaps 1102: termp__a_pre(DECL_ARGS)
                   1103: {
                   1104:
                   1105:        if (n->prev && MDOC__A == n->prev->tok)
                   1106:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1107:                        term_word(p, "and");
                   1108:
                   1109:        return(1);
                   1110: }
                   1111:
                   1112: static int
1.61      kristaps 1113: termp_an_pre(DECL_ARGS)
                   1114: {
                   1115:
1.282     schwarze 1116:        if (n->norm->An.auth == AUTH_split) {
                   1117:                p->flags &= ~TERMP_NOSPLIT;
                   1118:                p->flags |= TERMP_SPLIT;
                   1119:                return(0);
                   1120:        }
                   1121:        if (n->norm->An.auth == AUTH_nosplit) {
                   1122:                p->flags &= ~TERMP_SPLIT;
                   1123:                p->flags |= TERMP_NOSPLIT;
                   1124:                return(0);
                   1125:        }
1.61      kristaps 1126:
1.282     schwarze 1127:        if (n->child == NULL)
                   1128:                return(0);
1.264     schwarze 1129:
1.282     schwarze 1130:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1131:                term_newln(p);
                   1132:
1.282     schwarze 1133:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1134:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1135:
                   1136:        return(1);
                   1137: }
                   1138:
                   1139: static int
1.1       kristaps 1140: termp_ns_pre(DECL_ARGS)
                   1141: {
                   1142:
1.215     kristaps 1143:        if ( ! (MDOC_LINE & n->flags))
                   1144:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1145:        return(1);
                   1146: }
                   1147:
                   1148: static int
                   1149: termp_rs_pre(DECL_ARGS)
                   1150: {
                   1151:
1.86      kristaps 1152:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1153:                return(1);
1.86      kristaps 1154:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1155:                term_vspace(p);
                   1156:        return(1);
                   1157: }
                   1158:
                   1159: static int
                   1160: termp_rv_pre(DECL_ARGS)
                   1161: {
1.223     kristaps 1162:        int              nchild;
1.1       kristaps 1163:
                   1164:        term_newln(p);
                   1165:
1.223     kristaps 1166:        nchild = n->nchild;
1.273     schwarze 1167:        if (nchild > 0) {
                   1168:                term_word(p, "The");
1.224     kristaps 1169:
1.273     schwarze 1170:                for (n = n->child; n; n = n->next) {
                   1171:                        term_fontpush(p, TERMFONT_BOLD);
                   1172:                        term_word(p, n->string);
                   1173:                        term_fontpop(p);
1.223     kristaps 1174:
                   1175:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1176:                        term_word(p, "()");
                   1177:
                   1178:                        if (n->next == NULL)
                   1179:                                continue;
                   1180:
                   1181:                        if (nchild > 2) {
                   1182:                                p->flags |= TERMP_NOSPACE;
                   1183:                                term_word(p, ",");
                   1184:                        }
                   1185:                        if (n->next->next == NULL)
                   1186:                                term_word(p, "and");
1.223     kristaps 1187:                }
                   1188:
1.273     schwarze 1189:                if (nchild > 1)
                   1190:                        term_word(p, "functions return");
                   1191:                else
                   1192:                        term_word(p, "function returns");
                   1193:
                   1194:                term_word(p, "the value\\~0 if successful;");
                   1195:        } else
                   1196:                term_word(p, "Upon successful completion,"
                   1197:                    " the value\\~0 is returned;");
1.1       kristaps 1198:
1.273     schwarze 1199:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1200:            " and the global variable");
1.1       kristaps 1201:
1.102     kristaps 1202:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1203:        term_word(p, "errno");
1.102     kristaps 1204:        term_fontpop(p);
1.1       kristaps 1205:
1.264     schwarze 1206:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1207:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1208:
1.68      kristaps 1209:        return(0);
1.1       kristaps 1210: }
                   1211:
                   1212: static int
                   1213: termp_ex_pre(DECL_ARGS)
                   1214: {
1.224     kristaps 1215:        int              nchild;
1.1       kristaps 1216:
1.224     kristaps 1217:        term_newln(p);
1.68      kristaps 1218:        term_word(p, "The");
1.1       kristaps 1219:
1.224     kristaps 1220:        nchild = n->nchild;
                   1221:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1222:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1223:                term_word(p, n->string);
1.102     kristaps 1224:                term_fontpop(p);
1.224     kristaps 1225:
                   1226:                if (nchild > 2 && n->next) {
                   1227:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1228:                        term_word(p, ",");
1.224     kristaps 1229:                }
                   1230:
                   1231:                if (n->next && NULL == n->next->next)
                   1232:                        term_word(p, "and");
1.68      kristaps 1233:        }
                   1234:
1.224     kristaps 1235:        if (nchild > 1)
1.273     schwarze 1236:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1237:        else
1.273     schwarze 1238:                term_word(p, "utility exits\\~0");
1.68      kristaps 1239:
1.273     schwarze 1240:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1241:
1.131     kristaps 1242:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1243:        return(0);
1.1       kristaps 1244: }
                   1245:
                   1246: static int
                   1247: termp_nd_pre(DECL_ARGS)
                   1248: {
1.25      kristaps 1249:
1.86      kristaps 1250:        if (MDOC_BODY != n->type)
1.25      kristaps 1251:                return(1);
1.30      kristaps 1252:
1.27      kristaps 1253: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1254:        term_word(p, "\\(en");
1.23      kristaps 1255: #else
                   1256:        term_word(p, "\\(em");
                   1257: #endif
1.1       kristaps 1258:        return(1);
1.115     kristaps 1259: }
                   1260:
                   1261: static int
                   1262: termp_bl_pre(DECL_ARGS)
                   1263: {
                   1264:
                   1265:        return(MDOC_HEAD != n->type);
1.1       kristaps 1266: }
                   1267:
                   1268: static void
                   1269: termp_bl_post(DECL_ARGS)
                   1270: {
                   1271:
1.86      kristaps 1272:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1273:                term_newln(p);
                   1274: }
                   1275:
                   1276: static int
                   1277: termp_xr_pre(DECL_ARGS)
                   1278: {
                   1279:
1.225     kristaps 1280:        if (NULL == (n = n->child))
1.113     kristaps 1281:                return(0);
                   1282:
1.225     kristaps 1283:        assert(MDOC_TEXT == n->type);
                   1284:        term_word(p, n->string);
1.11      kristaps 1285:
1.264     schwarze 1286:        if (NULL == (n = n->next))
1.1       kristaps 1287:                return(0);
1.225     kristaps 1288:
1.1       kristaps 1289:        p->flags |= TERMP_NOSPACE;
                   1290:        term_word(p, "(");
1.222     kristaps 1291:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1292:
                   1293:        assert(MDOC_TEXT == n->type);
                   1294:        term_word(p, n->string);
                   1295:
1.222     kristaps 1296:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1297:        term_word(p, ")");
1.86      kristaps 1298:
1.1       kristaps 1299:        return(0);
                   1300: }
                   1301:
1.143     kristaps 1302: /*
                   1303:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1304:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1305:  * macro combos).
                   1306:  */
                   1307: static void
                   1308: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1309: {
1.264     schwarze 1310:        /*
1.143     kristaps 1311:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1312:         * exist, do nothing.
                   1313:         */
1.160     kristaps 1314:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1315:                return;
                   1316:
                   1317:        /*
                   1318:         * If we're the second in a pair of like elements, emit our
                   1319:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1320:         * case we soldier on.
                   1321:         */
1.264     schwarze 1322:        if (n->prev->tok == n->tok &&
                   1323:            MDOC_Ft != n->tok &&
                   1324:            MDOC_Fo != n->tok &&
                   1325:            MDOC_Fn != n->tok) {
1.143     kristaps 1326:                term_newln(p);
                   1327:                return;
                   1328:        }
                   1329:
                   1330:        /*
                   1331:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1332:         * another (or Fn/Fo, which we've let slip through) then assert
                   1333:         * vertical space, else only newline and move on.
                   1334:         */
                   1335:        switch (n->prev->tok) {
1.264     schwarze 1336:        case MDOC_Fd:
1.143     kristaps 1337:                /* FALLTHROUGH */
1.264     schwarze 1338:        case MDOC_Fn:
1.143     kristaps 1339:                /* FALLTHROUGH */
1.264     schwarze 1340:        case MDOC_Fo:
1.143     kristaps 1341:                /* FALLTHROUGH */
1.264     schwarze 1342:        case MDOC_In:
1.143     kristaps 1343:                /* FALLTHROUGH */
1.264     schwarze 1344:        case MDOC_Vt:
1.143     kristaps 1345:                term_vspace(p);
                   1346:                break;
1.264     schwarze 1347:        case MDOC_Ft:
1.143     kristaps 1348:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1349:                        term_vspace(p);
                   1350:                        break;
                   1351:                }
                   1352:                /* FALLTHROUGH */
                   1353:        default:
                   1354:                term_newln(p);
                   1355:                break;
                   1356:        }
                   1357: }
                   1358:
1.110     kristaps 1359: static int
                   1360: termp_vt_pre(DECL_ARGS)
                   1361: {
                   1362:
1.143     kristaps 1363:        if (MDOC_ELEM == n->type) {
                   1364:                synopsis_pre(p, n);
1.245     schwarze 1365:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1366:        } else if (MDOC_BLOCK == n->type) {
                   1367:                synopsis_pre(p, n);
                   1368:                return(1);
                   1369:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1370:                return(0);
                   1371:
1.245     schwarze 1372:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1373: }
                   1374:
1.1       kristaps 1375: static int
1.69      kristaps 1376: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1377: {
                   1378:
1.102     kristaps 1379:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1380:        return(1);
                   1381: }
                   1382:
1.143     kristaps 1383: static int
                   1384: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1385: {
                   1386:
1.143     kristaps 1387:        synopsis_pre(p, n);
1.245     schwarze 1388:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1389: }
                   1390:
1.241     schwarze 1391: static void
                   1392: termp_fd_post(DECL_ARGS)
                   1393: {
                   1394:
                   1395:        term_newln(p);
                   1396: }
                   1397:
1.1       kristaps 1398: static int
                   1399: termp_sh_pre(DECL_ARGS)
                   1400: {
1.85      kristaps 1401:
                   1402:        /* No vspace between consecutive `Sh' calls. */
                   1403:
1.86      kristaps 1404:        switch (n->type) {
1.264     schwarze 1405:        case MDOC_BLOCK:
1.86      kristaps 1406:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1407:                        if (NULL == n->prev->body->child)
1.65      kristaps 1408:                                break;
                   1409:                term_vspace(p);
                   1410:                break;
1.264     schwarze 1411:        case MDOC_HEAD:
1.102     kristaps 1412:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1413:                break;
1.264     schwarze 1414:        case MDOC_BODY:
1.238     schwarze 1415:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1416:                if (SEC_AUTHORS == n->sec)
                   1417:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1418:                break;
                   1419:        default:
                   1420:                break;
                   1421:        }
                   1422:        return(1);
                   1423: }
                   1424:
                   1425: static void
                   1426: termp_sh_post(DECL_ARGS)
                   1427: {
                   1428:
1.86      kristaps 1429:        switch (n->type) {
1.264     schwarze 1430:        case MDOC_HEAD:
1.1       kristaps 1431:                term_newln(p);
                   1432:                break;
1.264     schwarze 1433:        case MDOC_BODY:
1.1       kristaps 1434:                term_newln(p);
                   1435:                p->offset = 0;
                   1436:                break;
                   1437:        default:
                   1438:                break;
                   1439:        }
                   1440: }
                   1441:
                   1442: static int
                   1443: termp_bt_pre(DECL_ARGS)
                   1444: {
                   1445:
                   1446:        term_word(p, "is currently in beta test.");
1.131     kristaps 1447:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1448:        return(0);
1.1       kristaps 1449: }
                   1450:
                   1451: static void
                   1452: termp_lb_post(DECL_ARGS)
                   1453: {
                   1454:
1.122     kristaps 1455:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1456:                term_newln(p);
1.1       kristaps 1457: }
                   1458:
                   1459: static int
                   1460: termp_ud_pre(DECL_ARGS)
                   1461: {
                   1462:
                   1463:        term_word(p, "currently under development.");
1.131     kristaps 1464:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1465:        return(0);
1.1       kristaps 1466: }
                   1467:
                   1468: static int
                   1469: termp_d1_pre(DECL_ARGS)
                   1470: {
                   1471:
1.86      kristaps 1472:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1473:                return(1);
                   1474:        term_newln(p);
1.238     schwarze 1475:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1476:        return(1);
                   1477: }
                   1478:
                   1479: static int
                   1480: termp_ft_pre(DECL_ARGS)
                   1481: {
                   1482:
1.141     kristaps 1483:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1484:        synopsis_pre(p, n);
1.102     kristaps 1485:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1486:        return(1);
                   1487: }
                   1488:
                   1489: static int
                   1490: termp_fn_pre(DECL_ARGS)
                   1491: {
1.257     schwarze 1492:        size_t           rmargin = 0;
1.226     kristaps 1493:        int              pretty;
                   1494:
                   1495:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1496:
1.143     kristaps 1497:        synopsis_pre(p, n);
1.139     kristaps 1498:
1.226     kristaps 1499:        if (NULL == (n = n->child))
                   1500:                return(0);
                   1501:
1.251     schwarze 1502:        if (pretty) {
                   1503:                rmargin = p->rmargin;
1.257     schwarze 1504:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1505:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1506:        }
                   1507:
1.226     kristaps 1508:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1509:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1510:        term_word(p, n->string);
1.102     kristaps 1511:        term_fontpop(p);
1.1       kristaps 1512:
1.251     schwarze 1513:        if (pretty) {
                   1514:                term_flushln(p);
1.263     schwarze 1515:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1516:                p->offset = p->rmargin;
                   1517:                p->rmargin = rmargin;
                   1518:        }
                   1519:
1.1       kristaps 1520:        p->flags |= TERMP_NOSPACE;
                   1521:        term_word(p, "(");
1.222     kristaps 1522:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1523:
1.226     kristaps 1524:        for (n = n->next; n; n = n->next) {
                   1525:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1526:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1527:                if (pretty)
                   1528:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1529:                term_word(p, n->string);
1.102     kristaps 1530:                term_fontpop(p);
                   1531:
1.226     kristaps 1532:                if (n->next) {
1.222     kristaps 1533:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1534:                        term_word(p, ",");
1.222     kristaps 1535:                }
1.1       kristaps 1536:        }
                   1537:
1.222     kristaps 1538:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1539:        term_word(p, ")");
                   1540:
1.226     kristaps 1541:        if (pretty) {
1.222     kristaps 1542:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1543:                term_word(p, ";");
1.251     schwarze 1544:                term_flushln(p);
1.222     kristaps 1545:        }
1.1       kristaps 1546:
                   1547:        return(0);
                   1548: }
                   1549:
                   1550: static int
                   1551: termp_fa_pre(DECL_ARGS)
                   1552: {
1.86      kristaps 1553:        const struct mdoc_node  *nn;
1.1       kristaps 1554:
1.86      kristaps 1555:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1556:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1557:                return(1);
                   1558:        }
                   1559:
1.86      kristaps 1560:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1561:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1562:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1563:                term_word(p, nn->string);
1.102     kristaps 1564:                term_fontpop(p);
                   1565:
1.256     schwarze 1566:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1567:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1568:                        term_word(p, ",");
1.222     kristaps 1569:                }
1.1       kristaps 1570:        }
                   1571:
                   1572:        return(0);
                   1573: }
                   1574:
                   1575: static int
                   1576: termp_bd_pre(DECL_ARGS)
                   1577: {
1.272     schwarze 1578:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1579:        struct mdoc_node        *nn;
1.1       kristaps 1580:
1.86      kristaps 1581:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1582:                print_bvspace(p, n, n);
1.54      kristaps 1583:                return(1);
1.116     kristaps 1584:        } else if (MDOC_HEAD == n->type)
                   1585:                return(0);
1.1       kristaps 1586:
1.202     kristaps 1587:        if (n->norm->Bd.offs)
                   1588:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1589:
                   1590:        /*
                   1591:         * If -ragged or -filled are specified, the block does nothing
                   1592:         * but change the indentation.  If -unfilled or -literal are
                   1593:         * specified, text is printed exactly as entered in the display:
                   1594:         * for macro lines, a newline is appended to the line.  Blank
                   1595:         * lines are allowed.
                   1596:         */
1.264     schwarze 1597:
                   1598:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1599:            DISP_unfilled != n->norm->Bd.type &&
                   1600:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1601:                return(1);
                   1602:
1.129     schwarze 1603:        tabwidth = p->tabwidth;
1.208     kristaps 1604:        if (DISP_literal == n->norm->Bd.type)
                   1605:                p->tabwidth = term_len(p, 8);
                   1606:
1.272     schwarze 1607:        lm = p->offset;
1.119     kristaps 1608:        rm = p->rmargin;
                   1609:        rmax = p->maxrmargin;
1.120     kristaps 1610:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1611:
1.86      kristaps 1612:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1613:                if (DISP_centered == n->norm->Bd.type) {
                   1614:                        if (MDOC_TEXT == nn->type) {
                   1615:                                len = term_strlen(p, nn->string);
                   1616:                                p->offset = len >= rm ? 0 :
                   1617:                                    lm + len >= rm ? rm - len :
                   1618:                                    (lm + rm - len) / 2;
                   1619:                        } else
                   1620:                                p->offset = lm;
                   1621:                }
1.245     schwarze 1622:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1623:                /*
                   1624:                 * If the printed node flushes its own line, then we
                   1625:                 * needn't do it here as well.  This is hacky, but the
                   1626:                 * notion of selective eoln whitespace is pretty dumb
                   1627:                 * anyway, so don't sweat it.
                   1628:                 */
                   1629:                switch (nn->tok) {
1.264     schwarze 1630:                case MDOC_Sm:
1.193     kristaps 1631:                        /* FALLTHROUGH */
1.264     schwarze 1632:                case MDOC_br:
1.190     kristaps 1633:                        /* FALLTHROUGH */
1.264     schwarze 1634:                case MDOC_sp:
1.190     kristaps 1635:                        /* FALLTHROUGH */
1.264     schwarze 1636:                case MDOC_Bl:
1.196     kristaps 1637:                        /* FALLTHROUGH */
1.264     schwarze 1638:                case MDOC_D1:
1.196     kristaps 1639:                        /* FALLTHROUGH */
1.264     schwarze 1640:                case MDOC_Dl:
1.190     kristaps 1641:                        /* FALLTHROUGH */
1.264     schwarze 1642:                case MDOC_Lp:
1.190     kristaps 1643:                        /* FALLTHROUGH */
1.264     schwarze 1644:                case MDOC_Pp:
1.190     kristaps 1645:                        continue;
                   1646:                default:
                   1647:                        break;
                   1648:                }
1.180     schwarze 1649:                if (nn->next && nn->next->line == nn->line)
                   1650:                        continue;
                   1651:                term_flushln(p);
                   1652:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1653:        }
1.147     kristaps 1654:
1.129     schwarze 1655:        p->tabwidth = tabwidth;
1.119     kristaps 1656:        p->rmargin = rm;
                   1657:        p->maxrmargin = rmax;
1.1       kristaps 1658:        return(0);
                   1659: }
                   1660:
                   1661: static void
                   1662: termp_bd_post(DECL_ARGS)
                   1663: {
1.119     kristaps 1664:        size_t           rm, rmax;
1.1       kristaps 1665:
1.264     schwarze 1666:        if (MDOC_BODY != n->type)
1.1       kristaps 1667:                return;
1.118     kristaps 1668:
1.119     kristaps 1669:        rm = p->rmargin;
                   1670:        rmax = p->maxrmargin;
1.118     kristaps 1671:
1.264     schwarze 1672:        if (DISP_literal == n->norm->Bd.type ||
                   1673:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1674:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1675:
1.60      kristaps 1676:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1677:        term_newln(p);
1.118     kristaps 1678:
1.119     kristaps 1679:        p->rmargin = rm;
                   1680:        p->maxrmargin = rmax;
1.1       kristaps 1681: }
                   1682:
1.211     kristaps 1683: static int
                   1684: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1685: {
                   1686:
1.211     kristaps 1687:        if (NULL != (n = n->child)) {
                   1688:                term_word(p, n->string);
                   1689:                p->flags |= TERMP_NOSPACE;
                   1690:                term_word(p, "BSD");
                   1691:        } else {
                   1692:                term_word(p, "BSD");
                   1693:                return(0);
                   1694:        }
                   1695:
                   1696:        if (NULL != (n = n->next)) {
                   1697:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1698:                term_word(p, "-");
1.1       kristaps 1699:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1700:                term_word(p, n->string);
1.211     kristaps 1701:        }
                   1702:
                   1703:        return(0);
1.1       kristaps 1704: }
                   1705:
                   1706: static int
1.26      kristaps 1707: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1708: {
1.26      kristaps 1709:        const char      *pp;
1.218     schwarze 1710:        int              flags;
1.1       kristaps 1711:
1.26      kristaps 1712:        pp = NULL;
1.86      kristaps 1713:        switch (n->tok) {
1.264     schwarze 1714:        case MDOC_Bsx:
1.194     schwarze 1715:                pp = "BSD/OS";
1.26      kristaps 1716:                break;
1.264     schwarze 1717:        case MDOC_Dx:
1.100     kristaps 1718:                pp = "DragonFly";
1.26      kristaps 1719:                break;
1.264     schwarze 1720:        case MDOC_Fx:
1.26      kristaps 1721:                pp = "FreeBSD";
                   1722:                break;
1.264     schwarze 1723:        case MDOC_Nx:
1.26      kristaps 1724:                pp = "NetBSD";
                   1725:                break;
1.264     schwarze 1726:        case MDOC_Ox:
1.26      kristaps 1727:                pp = "OpenBSD";
                   1728:                break;
1.264     schwarze 1729:        case MDOC_Ux:
1.26      kristaps 1730:                pp = "UNIX";
                   1731:                break;
                   1732:        default:
1.246     schwarze 1733:                abort();
                   1734:                /* NOTREACHED */
1.26      kristaps 1735:        }
1.1       kristaps 1736:
1.26      kristaps 1737:        term_word(p, pp);
1.214     kristaps 1738:        if (n->child) {
1.218     schwarze 1739:                flags = p->flags;
1.214     kristaps 1740:                p->flags |= TERMP_KEEP;
                   1741:                term_word(p, n->child->string);
1.218     schwarze 1742:                p->flags = flags;
1.214     kristaps 1743:        }
                   1744:        return(0);
1.1       kristaps 1745: }
                   1746:
                   1747: static void
                   1748: termp_pf_post(DECL_ARGS)
                   1749: {
                   1750:
                   1751:        p->flags |= TERMP_NOSPACE;
                   1752: }
                   1753:
                   1754: static int
                   1755: termp_ss_pre(DECL_ARGS)
                   1756: {
                   1757:
1.86      kristaps 1758:        switch (n->type) {
1.264     schwarze 1759:        case MDOC_BLOCK:
1.1       kristaps 1760:                term_newln(p);
1.86      kristaps 1761:                if (n->prev)
1.1       kristaps 1762:                        term_vspace(p);
                   1763:                break;
1.264     schwarze 1764:        case MDOC_HEAD:
1.102     kristaps 1765:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1766:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1767:                break;
1.274     schwarze 1768:        case MDOC_BODY:
                   1769:                p->offset = term_len(p, p->defindent);
                   1770:                break;
1.1       kristaps 1771:        default:
                   1772:                break;
                   1773:        }
                   1774:
                   1775:        return(1);
                   1776: }
                   1777:
                   1778: static void
                   1779: termp_ss_post(DECL_ARGS)
                   1780: {
                   1781:
1.274     schwarze 1782:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1783:                term_newln(p);
                   1784: }
                   1785:
                   1786: static int
                   1787: termp_cd_pre(DECL_ARGS)
                   1788: {
                   1789:
1.143     kristaps 1790:        synopsis_pre(p, n);
1.102     kristaps 1791:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1792:        return(1);
                   1793: }
                   1794:
                   1795: static int
                   1796: termp_in_pre(DECL_ARGS)
                   1797: {
1.142     schwarze 1798:
1.143     kristaps 1799:        synopsis_pre(p, n);
1.1       kristaps 1800:
1.160     kristaps 1801:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1802:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1803:                term_word(p, "#include");
1.138     kristaps 1804:                term_word(p, "<");
                   1805:        } else {
                   1806:                term_word(p, "<");
                   1807:                term_fontpush(p, TERMFONT_UNDER);
                   1808:        }
1.22      kristaps 1809:
1.1       kristaps 1810:        p->flags |= TERMP_NOSPACE;
                   1811:        return(1);
                   1812: }
                   1813:
                   1814: static void
                   1815: termp_in_post(DECL_ARGS)
                   1816: {
                   1817:
1.160     kristaps 1818:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1819:                term_fontpush(p, TERMFONT_BOLD);
                   1820:
1.79      kristaps 1821:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1822:        term_word(p, ">");
                   1823:
1.160     kristaps 1824:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1825:                term_fontpop(p);
1.1       kristaps 1826: }
                   1827:
                   1828: static int
1.45      kristaps 1829: termp_sp_pre(DECL_ARGS)
                   1830: {
1.91      kristaps 1831:        size_t           i, len;
1.45      kristaps 1832:
1.86      kristaps 1833:        switch (n->tok) {
1.264     schwarze 1834:        case MDOC_sp:
1.157     kristaps 1835:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1836:                break;
1.264     schwarze 1837:        case MDOC_br:
1.76      kristaps 1838:                len = 0;
                   1839:                break;
                   1840:        default:
                   1841:                len = 1;
                   1842:                break;
1.45      kristaps 1843:        }
                   1844:
                   1845:        if (0 == len)
                   1846:                term_newln(p);
                   1847:        for (i = 0; i < len; i++)
                   1848:                term_vspace(p);
                   1849:
                   1850:        return(0);
                   1851: }
                   1852:
                   1853: static int
1.268     schwarze 1854: termp_es_pre(DECL_ARGS)
                   1855: {
                   1856:
                   1857:        return(0);
                   1858: }
                   1859:
                   1860: static int
1.188     kristaps 1861: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1862: {
                   1863:
1.203     kristaps 1864:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1865:                return(1);
                   1866:
1.188     kristaps 1867:        switch (n->tok) {
1.264     schwarze 1868:        case MDOC_Ao:
1.188     kristaps 1869:                /* FALLTHROUGH */
1.264     schwarze 1870:        case MDOC_Aq:
1.188     kristaps 1871:                term_word(p, "<");
                   1872:                break;
1.264     schwarze 1873:        case MDOC_Bro:
1.188     kristaps 1874:                /* FALLTHROUGH */
1.264     schwarze 1875:        case MDOC_Brq:
1.188     kristaps 1876:                term_word(p, "{");
                   1877:                break;
1.264     schwarze 1878:        case MDOC_Oo:
1.188     kristaps 1879:                /* FALLTHROUGH */
1.264     schwarze 1880:        case MDOC_Op:
1.188     kristaps 1881:                /* FALLTHROUGH */
1.264     schwarze 1882:        case MDOC_Bo:
1.188     kristaps 1883:                /* FALLTHROUGH */
1.264     schwarze 1884:        case MDOC_Bq:
1.188     kristaps 1885:                term_word(p, "[");
                   1886:                break;
1.264     schwarze 1887:        case MDOC_Do:
1.188     kristaps 1888:                /* FALLTHROUGH */
1.264     schwarze 1889:        case MDOC_Dq:
1.249     schwarze 1890:                term_word(p, "\\(lq");
1.188     kristaps 1891:                break;
1.268     schwarze 1892:        case MDOC_En:
                   1893:                if (NULL == n->norm->Es ||
                   1894:                    NULL == n->norm->Es->child)
                   1895:                        return(1);
                   1896:                term_word(p, n->norm->Es->child->string);
                   1897:                break;
1.264     schwarze 1898:        case MDOC_Eo:
1.237     schwarze 1899:                break;
1.264     schwarze 1900:        case MDOC_Po:
1.188     kristaps 1901:                /* FALLTHROUGH */
1.264     schwarze 1902:        case MDOC_Pq:
1.188     kristaps 1903:                term_word(p, "(");
                   1904:                break;
1.264     schwarze 1905:        case MDOC__T:
1.205     kristaps 1906:                /* FALLTHROUGH */
1.264     schwarze 1907:        case MDOC_Qo:
1.188     kristaps 1908:                /* FALLTHROUGH */
1.264     schwarze 1909:        case MDOC_Qq:
1.188     kristaps 1910:                term_word(p, "\"");
                   1911:                break;
1.264     schwarze 1912:        case MDOC_Ql:
1.188     kristaps 1913:                /* FALLTHROUGH */
1.264     schwarze 1914:        case MDOC_So:
1.188     kristaps 1915:                /* FALLTHROUGH */
1.264     schwarze 1916:        case MDOC_Sq:
1.249     schwarze 1917:                term_word(p, "\\(oq");
1.188     kristaps 1918:                break;
                   1919:        default:
                   1920:                abort();
                   1921:                /* NOTREACHED */
                   1922:        }
1.1       kristaps 1923:
                   1924:        p->flags |= TERMP_NOSPACE;
                   1925:        return(1);
                   1926: }
                   1927:
                   1928: static void
1.188     kristaps 1929: termp_quote_post(DECL_ARGS)
1.1       kristaps 1930: {
                   1931:
1.203     kristaps 1932:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1933:                return;
                   1934:
1.268     schwarze 1935:        if (MDOC_En != n->tok)
                   1936:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1937:
1.188     kristaps 1938:        switch (n->tok) {
1.264     schwarze 1939:        case MDOC_Ao:
1.188     kristaps 1940:                /* FALLTHROUGH */
1.264     schwarze 1941:        case MDOC_Aq:
1.188     kristaps 1942:                term_word(p, ">");
                   1943:                break;
1.264     schwarze 1944:        case MDOC_Bro:
1.188     kristaps 1945:                /* FALLTHROUGH */
1.264     schwarze 1946:        case MDOC_Brq:
1.188     kristaps 1947:                term_word(p, "}");
                   1948:                break;
1.264     schwarze 1949:        case MDOC_Oo:
1.188     kristaps 1950:                /* FALLTHROUGH */
1.264     schwarze 1951:        case MDOC_Op:
1.188     kristaps 1952:                /* FALLTHROUGH */
1.264     schwarze 1953:        case MDOC_Bo:
1.188     kristaps 1954:                /* FALLTHROUGH */
1.264     schwarze 1955:        case MDOC_Bq:
1.188     kristaps 1956:                term_word(p, "]");
                   1957:                break;
1.264     schwarze 1958:        case MDOC_Do:
1.188     kristaps 1959:                /* FALLTHROUGH */
1.264     schwarze 1960:        case MDOC_Dq:
1.249     schwarze 1961:                term_word(p, "\\(rq");
1.268     schwarze 1962:                break;
                   1963:        case MDOC_En:
                   1964:                if (NULL != n->norm->Es &&
                   1965:                    NULL != n->norm->Es->child &&
                   1966:                    NULL != n->norm->Es->child->next) {
                   1967:                        p->flags |= TERMP_NOSPACE;
                   1968:                        term_word(p, n->norm->Es->child->next->string);
                   1969:                }
1.237     schwarze 1970:                break;
1.264     schwarze 1971:        case MDOC_Eo:
1.188     kristaps 1972:                break;
1.264     schwarze 1973:        case MDOC_Po:
1.188     kristaps 1974:                /* FALLTHROUGH */
1.264     schwarze 1975:        case MDOC_Pq:
1.188     kristaps 1976:                term_word(p, ")");
                   1977:                break;
1.264     schwarze 1978:        case MDOC__T:
1.205     kristaps 1979:                /* FALLTHROUGH */
1.264     schwarze 1980:        case MDOC_Qo:
1.188     kristaps 1981:                /* FALLTHROUGH */
1.264     schwarze 1982:        case MDOC_Qq:
1.188     kristaps 1983:                term_word(p, "\"");
                   1984:                break;
1.264     schwarze 1985:        case MDOC_Ql:
1.188     kristaps 1986:                /* FALLTHROUGH */
1.264     schwarze 1987:        case MDOC_So:
1.188     kristaps 1988:                /* FALLTHROUGH */
1.264     schwarze 1989:        case MDOC_Sq:
1.249     schwarze 1990:                term_word(p, "\\(cq");
1.188     kristaps 1991:                break;
                   1992:        default:
                   1993:                abort();
                   1994:                /* NOTREACHED */
                   1995:        }
1.1       kristaps 1996: }
                   1997:
                   1998: static int
                   1999: termp_fo_pre(DECL_ARGS)
                   2000: {
1.257     schwarze 2001:        size_t           rmargin = 0;
1.256     schwarze 2002:        int              pretty;
                   2003:
                   2004:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2005:
1.141     kristaps 2006:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2007:                synopsis_pre(p, n);
1.141     kristaps 2008:                return(1);
                   2009:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2010:                if (pretty) {
                   2011:                        rmargin = p->rmargin;
1.257     schwarze 2012:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2013:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2014:                                        TERMP_HANG;
1.256     schwarze 2015:                }
1.33      kristaps 2016:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2017:                term_word(p, "(");
1.222     kristaps 2018:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2019:                if (pretty) {
                   2020:                        term_flushln(p);
1.263     schwarze 2021:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2022:                                        TERMP_HANG);
1.256     schwarze 2023:                        p->offset = p->rmargin;
                   2024:                        p->rmargin = rmargin;
                   2025:                }
1.1       kristaps 2026:                return(1);
1.256     schwarze 2027:        }
1.141     kristaps 2028:
1.169     kristaps 2029:        if (NULL == n->child)
                   2030:                return(0);
                   2031:
1.141     kristaps 2032:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2033:
1.141     kristaps 2034:        assert(n->child->string);
1.102     kristaps 2035:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2036:        term_word(p, n->child->string);
1.1       kristaps 2037:        return(0);
                   2038: }
                   2039:
                   2040: static void
                   2041: termp_fo_post(DECL_ARGS)
                   2042: {
                   2043:
1.264     schwarze 2044:        if (MDOC_BODY != n->type)
1.143     kristaps 2045:                return;
                   2046:
1.222     kristaps 2047:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2048:        term_word(p, ")");
                   2049:
1.222     kristaps 2050:        if (MDOC_SYNPRETTY & n->flags) {
                   2051:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2052:                term_word(p, ";");
1.256     schwarze 2053:                term_flushln(p);
1.222     kristaps 2054:        }
1.1       kristaps 2055: }
                   2056:
                   2057: static int
                   2058: termp_bf_pre(DECL_ARGS)
                   2059: {
                   2060:
1.86      kristaps 2061:        if (MDOC_HEAD == n->type)
1.1       kristaps 2062:                return(0);
1.244     schwarze 2063:        else if (MDOC_BODY != n->type)
1.1       kristaps 2064:                return(1);
                   2065:
1.264     schwarze 2066:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2067:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2068:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2069:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2070:        else
1.102     kristaps 2071:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2072:
                   2073:        return(1);
                   2074: }
                   2075:
                   2076: static int
                   2077: termp_sm_pre(DECL_ARGS)
                   2078: {
                   2079:
1.269     schwarze 2080:        if (NULL == n->child)
                   2081:                p->flags ^= TERMP_NONOSPACE;
                   2082:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2083:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2084:        else
1.1       kristaps 2085:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2086:
                   2087:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2088:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2089:
                   2090:        return(0);
                   2091: }
                   2092:
                   2093: static int
                   2094: termp_ap_pre(DECL_ARGS)
                   2095: {
                   2096:
                   2097:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2098:        term_word(p, "'");
1.1       kristaps 2099:        p->flags |= TERMP_NOSPACE;
                   2100:        return(1);
                   2101: }
                   2102:
                   2103: static void
                   2104: termp____post(DECL_ARGS)
                   2105: {
1.184     kristaps 2106:
                   2107:        /*
                   2108:         * Handle lists of authors.  In general, print each followed by
                   2109:         * a comma.  Don't print the comma if there are only two
                   2110:         * authors.
                   2111:         */
                   2112:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2113:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2114:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2115:                                return;
1.1       kristaps 2116:
1.95      kristaps 2117:        /* TODO: %U. */
                   2118:
1.187     kristaps 2119:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2120:                return;
                   2121:
1.222     kristaps 2122:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2123:        if (NULL == n->next) {
                   2124:                term_word(p, ".");
                   2125:                p->flags |= TERMP_SENTENCE;
                   2126:        } else
                   2127:                term_word(p, ",");
1.1       kristaps 2128: }
                   2129:
                   2130: static int
1.102     kristaps 2131: termp_li_pre(DECL_ARGS)
                   2132: {
                   2133:
                   2134:        term_fontpush(p, TERMFONT_NONE);
                   2135:        return(1);
                   2136: }
                   2137:
                   2138: static int
1.1       kristaps 2139: termp_lk_pre(DECL_ARGS)
                   2140: {
1.240     schwarze 2141:        const struct mdoc_node *link, *descr;
1.1       kristaps 2142:
1.240     schwarze 2143:        if (NULL == (link = n->child))
                   2144:                return(0);
1.181     kristaps 2145:
1.240     schwarze 2146:        if (NULL != (descr = link->next)) {
                   2147:                term_fontpush(p, TERMFONT_UNDER);
                   2148:                while (NULL != descr) {
                   2149:                        term_word(p, descr->string);
                   2150:                        descr = descr->next;
                   2151:                }
                   2152:                p->flags |= TERMP_NOSPACE;
                   2153:                term_word(p, ":");
                   2154:                term_fontpop(p);
                   2155:        }
1.1       kristaps 2156:
1.102     kristaps 2157:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2158:        term_word(p, link->string);
1.102     kristaps 2159:        term_fontpop(p);
1.12      kristaps 2160:
1.1       kristaps 2161:        return(0);
                   2162: }
                   2163:
1.159     schwarze 2164: static int
                   2165: termp_bk_pre(DECL_ARGS)
                   2166: {
                   2167:
1.161     schwarze 2168:        switch (n->type) {
1.264     schwarze 2169:        case MDOC_BLOCK:
1.166     kristaps 2170:                break;
1.264     schwarze 2171:        case MDOC_HEAD:
1.161     schwarze 2172:                return(0);
1.264     schwarze 2173:        case MDOC_BODY:
1.200     schwarze 2174:                if (n->parent->args || 0 == n->prev->nchild)
                   2175:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2176:                break;
1.161     schwarze 2177:        default:
                   2178:                abort();
1.166     kristaps 2179:                /* NOTREACHED */
1.161     schwarze 2180:        }
1.166     kristaps 2181:
                   2182:        return(1);
1.159     schwarze 2183: }
                   2184:
                   2185: static void
                   2186: termp_bk_post(DECL_ARGS)
                   2187: {
                   2188:
1.253     schwarze 2189:        if (MDOC_BODY == n->type)
1.161     schwarze 2190:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2191: }
                   2192:
                   2193: static void
                   2194: termp__t_post(DECL_ARGS)
                   2195: {
                   2196:
                   2197:        /*
                   2198:         * If we're in an `Rs' and there's a journal present, then quote
                   2199:         * us instead of underlining us (for disambiguation).
                   2200:         */
1.217     schwarze 2201:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2202:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2203:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2204:
1.245     schwarze 2205:        termp____post(p, pair, meta, n);
1.203     kristaps 2206: }
                   2207:
                   2208: static int
                   2209: termp__t_pre(DECL_ARGS)
                   2210: {
                   2211:
                   2212:        /*
                   2213:         * If we're in an `Rs' and there's a journal present, then quote
                   2214:         * us instead of underlining us (for disambiguation).
                   2215:         */
                   2216:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2217:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2218:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2219:
                   2220:        term_fontpush(p, TERMFONT_UNDER);
                   2221:        return(1);
1.159     schwarze 2222: }
1.1       kristaps 2223:
                   2224: static int
1.69      kristaps 2225: termp_under_pre(DECL_ARGS)
1.1       kristaps 2226: {
                   2227:
1.102     kristaps 2228:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2229:        return(1);
                   2230: }

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