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Annotation of mandoc/mdoc_term.c, Revision 1.378

1.378   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.377 2020/02/27 01:43:52 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.375     schwarze    4:  * Copyright (c) 2010, 2012-2020 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:  *
1.314     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6       kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6       kristaps   14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.314     schwarze   31: #include "mandoc_aux.h"
                     32: #include "roff.h"
                     33: #include "mdoc.h"
1.92      kristaps   34: #include "out.h"
1.1       kristaps   35: #include "term.h"
1.320     schwarze   36: #include "tag.h"
1.89      kristaps   37: #include "main.h"
1.1       kristaps   38:
                     39: struct termpair {
                     40:        struct termpair  *ppair;
1.31      kristaps   41:        int               count;
1.1       kristaps   42: };
                     43:
1.31      kristaps   44: #define        DECL_ARGS struct termp *p, \
                     45:                  struct termpair *pair, \
1.316     schwarze   46:                  const struct roff_meta *meta, \
1.315     schwarze   47:                  struct roff_node *n
1.1       kristaps   48:
1.368     schwarze   49: struct mdoc_term_act {
1.1       kristaps   50:        int     (*pre)(DECL_ARGS);
                     51:        void    (*post)(DECL_ARGS);
                     52: };
                     53:
1.302     schwarze   54: static int       a2width(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.377     schwarze   57:                        struct roff_node *, struct roff_node *);
1.264     schwarze   58: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   59: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   60: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     61: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.377     schwarze   62: static void      synopsis_pre(struct termp *, struct roff_node *);
1.96      kristaps   63:
1.31      kristaps   64: static void      termp____post(DECL_ARGS);
1.203     kristaps   65: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   66: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   67: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   69: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   70: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_fo_post(DECL_ARGS);
                     72: static void      termp_in_post(DECL_ARGS);
                     73: static void      termp_it_post(DECL_ARGS);
                     74: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   75: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   76: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   77: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_sh_post(DECL_ARGS);
                     79: static void      termp_ss_post(DECL_ARGS);
1.339     schwarze   80: static void      termp_xx_post(DECL_ARGS);
1.31      kristaps   81:
1.184     kristaps   82: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   83: static int       termp__t_pre(DECL_ARGS);
1.369     schwarze   84: static int       termp_abort_pre(DECL_ARGS);
1.61      kristaps   85: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   86: static int       termp_ap_pre(DECL_ARGS);
                     87: static int       termp_bd_pre(DECL_ARGS);
                     88: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   89: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   90: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   91: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   92: static int       termp_cd_pre(DECL_ARGS);
                     93: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   94: static int       termp_eo_pre(DECL_ARGS);
1.334     schwarze   95: static int       termp_em_pre(DECL_ARGS);
1.323     schwarze   96: static int       termp_er_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_ex_pre(DECL_ARGS);
                     98: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   99: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_fl_pre(DECL_ARGS);
                    101: static int       termp_fn_pre(DECL_ARGS);
                    102: static int       termp_fo_pre(DECL_ARGS);
                    103: static int       termp_ft_pre(DECL_ARGS);
                    104: static int       termp_in_pre(DECL_ARGS);
                    105: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  106: static int       termp_li_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_sh_pre(DECL_ARGS);
1.294     schwarze  114: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_sm_pre(DECL_ARGS);
1.355     schwarze  116: static int       termp_pp_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ss_pre(DECL_ARGS);
1.334     schwarze  118: static int       termp_sy_pre(DECL_ARGS);
1.320     schwarze  119: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  120: static int       termp_under_pre(DECL_ARGS);
1.110     kristaps  121: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_xr_pre(DECL_ARGS);
                    123: static int       termp_xx_pre(DECL_ARGS);
                    124:
1.368     schwarze  125: static const struct mdoc_term_act mdoc_term_acts[MDOC_MAX - MDOC_Dd] = {
1.1       kristaps  126:        { NULL, NULL }, /* Dd */
                    127:        { NULL, NULL }, /* Dt */
                    128:        { NULL, NULL }, /* Os */
                    129:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  130:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.355     schwarze  131:        { termp_pp_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 */
1.350     schwarze  141:        { termp_ap_pre, NULL }, /* Ap */
1.69      kristaps  142:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  143:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  144:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  145:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  146:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  147:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  148:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  149:        { termp_fa_pre, NULL }, /* Fa */
                    150:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  151:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  152:        { termp_fn_pre, NULL }, /* Fn */
                    153:        { termp_ft_pre, NULL }, /* Ft */
                    154:        { termp_bold_pre, NULL }, /* Ic */
                    155:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  156:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  157:        { termp_nd_pre, NULL }, /* Nd */
                    158:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  159:        { termp_quote_pre, termp_quote_post }, /* Op */
1.369     schwarze  160:        { termp_abort_pre, NULL }, /* Ot */
1.69      kristaps  161:        { termp_under_pre, NULL }, /* Pa */
1.341     schwarze  162:        { termp_ex_pre, NULL }, /* Rv */
1.264     schwarze  163:        { NULL, NULL }, /* St */
1.69      kristaps  164:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  165:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  166:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  167:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  168:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  169:        { NULL, termp____post }, /* %D */
1.84      kristaps  170:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  171:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  172:        { NULL, termp____post }, /* %N */
                    173:        { NULL, termp____post }, /* %O */
                    174:        { NULL, termp____post }, /* %P */
                    175:        { NULL, termp____post }, /* %R */
1.203     kristaps  176:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  177:        { NULL, termp____post }, /* %V */
                    178:        { NULL, NULL }, /* Ac */
1.188     kristaps  179:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    180:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  181:        { NULL, NULL }, /* At */
1.1       kristaps  182:        { NULL, NULL }, /* Bc */
1.264     schwarze  183:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  184:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    185:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.339     schwarze  186:        { termp_xx_pre, termp_xx_post }, /* Bsx */
1.340     schwarze  187:        { NULL, NULL }, /* Bx */
1.294     schwarze  188:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  189:        { NULL, NULL }, /* Dc */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Do */
                    191:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  192:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  193:        { NULL, NULL }, /* Ef */
1.334     schwarze  194:        { termp_em_pre, NULL }, /* Em */
1.306     schwarze  195:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.339     schwarze  196:        { termp_xx_pre, termp_xx_post }, /* Fx */
1.176     kristaps  197:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  198:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  199:        { termp_ns_pre, NULL }, /* Ns */
1.339     schwarze  200:        { termp_xx_pre, termp_xx_post }, /* Nx */
                    201:        { termp_xx_pre, termp_xx_post }, /* Ox */
1.1       kristaps  202:        { NULL, NULL }, /* Pc */
1.254     schwarze  203:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  204:        { termp_quote_pre, termp_quote_post }, /* Po */
                    205:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  206:        { NULL, NULL }, /* Qc */
1.188     kristaps  207:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    209:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  210:        { NULL, NULL }, /* Re */
                    211:        { termp_rs_pre, NULL }, /* Rs */
                    212:        { NULL, NULL }, /* Sc */
1.188     kristaps  213:        { termp_quote_pre, termp_quote_post }, /* So */
                    214:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  215:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  216:        { termp_under_pre, NULL }, /* Sx */
1.334     schwarze  217:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  218:        { NULL, NULL }, /* Tn */
1.339     schwarze  219:        { termp_xx_pre, termp_xx_post }, /* Ux */
1.1       kristaps  220:        { NULL, NULL }, /* Xc */
                    221:        { NULL, NULL }, /* Xo */
1.264     schwarze  222:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    223:        { NULL, NULL }, /* Fc */
1.188     kristaps  224:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  225:        { NULL, NULL }, /* Oc */
1.159     schwarze  226:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  227:        { NULL, NULL }, /* Ek */
1.341     schwarze  228:        { NULL, NULL }, /* Bt */
1.1       kristaps  229:        { NULL, NULL }, /* Hf */
1.268     schwarze  230:        { termp_under_pre, NULL }, /* Fr */
1.341     schwarze  231:        { NULL, NULL }, /* Ud */
1.37      kristaps  232:        { NULL, termp_lb_post }, /* Lb */
1.369     schwarze  233:        { termp_abort_pre, NULL }, /* Lp */
1.264     schwarze  234:        { termp_lk_pre, NULL }, /* Lk */
                    235:        { termp_under_pre, NULL }, /* Mt */
                    236:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    237:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    238:        { NULL, NULL }, /* Brc */
                    239:        { NULL, termp____post }, /* %C */
1.294     schwarze  240:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  241:        { termp_quote_pre, termp_quote_post }, /* En */
1.339     schwarze  242:        { termp_xx_pre, termp_xx_post }, /* Dx */
1.264     schwarze  243:        { NULL, termp____post }, /* %Q */
                    244:        { NULL, termp____post }, /* %U */
                    245:        { NULL, NULL }, /* Ta */
1.378   ! schwarze  246:        { termp_skip_pre, NULL }, /* Tg */
1.1       kristaps  247: };
                    248:
1.376     schwarze  249: static int      fn_prio = TAG_STRONG;
1.1       kristaps  250:
1.350     schwarze  251:
1.70      kristaps  252: void
1.371     schwarze  253: terminal_mdoc(void *arg, const struct roff_meta *mdoc)
1.1       kristaps  254: {
1.374     schwarze  255:        struct roff_node        *n, *nn;
1.89      kristaps  256:        struct termp            *p;
1.342     schwarze  257:        size_t                   save_defindent;
1.89      kristaps  258:
                    259:        p = (struct termp *)arg;
1.362     schwarze  260:        p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.356     schwarze  261:        term_tab_set(p, NULL);
                    262:        term_tab_set(p, "T");
                    263:        term_tab_set(p, ".5i");
1.70      kristaps  264:
1.319     schwarze  265:        n = mdoc->first->child;
1.281     schwarze  266:        if (p->synopsisonly) {
1.374     schwarze  267:                for (nn = NULL; n != NULL; n = n->next) {
                    268:                        if (n->tok != MDOC_Sh)
                    269:                                continue;
                    270:                        if (n->sec == SEC_SYNOPSIS)
1.281     schwarze  271:                                break;
1.374     schwarze  272:                        if (nn == NULL && n->sec == SEC_NAME)
                    273:                                nn = n;
1.281     schwarze  274:                }
1.374     schwarze  275:                if (n == NULL)
                    276:                        n = nn;
                    277:                p->flags |= TERMP_NOSPACE;
                    278:                if (n != NULL && (n = n->child->next->child) != NULL)
                    279:                        print_mdoc_nodelist(p, NULL, mdoc, n);
                    280:                term_newln(p);
1.281     schwarze  281:        } else {
1.342     schwarze  282:                save_defindent = p->defindent;
1.281     schwarze  283:                if (p->defindent == 0)
                    284:                        p->defindent = 5;
1.371     schwarze  285:                term_begin(p, print_mdoc_head, print_mdoc_foot, mdoc);
1.367     schwarze  286:                while (n != NULL &&
                    287:                    (n->type == ROFFT_COMMENT ||
                    288:                     n->flags & NODE_NOPRT))
1.337     schwarze  289:                        n = n->next;
1.281     schwarze  290:                if (n != NULL) {
                    291:                        if (n->tok != MDOC_Sh)
                    292:                                term_vspace(p);
1.371     schwarze  293:                        print_mdoc_nodelist(p, NULL, mdoc, n);
1.281     schwarze  294:                }
                    295:                term_end(p);
1.342     schwarze  296:                p->defindent = save_defindent;
1.271     schwarze  297:        }
1.1       kristaps  298: }
                    299:
1.3       kristaps  300: static void
1.102     kristaps  301: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  302: {
                    303:
1.304     schwarze  304:        while (n != NULL) {
                    305:                print_mdoc_node(p, pair, meta, n);
                    306:                n = n->next;
                    307:        }
1.1       kristaps  308: }
                    309:
1.3       kristaps  310: static void
1.102     kristaps  311: print_mdoc_node(DECL_ARGS)
1.1       kristaps  312: {
1.368     schwarze  313:        const struct mdoc_term_act *act;
1.1       kristaps  314:        struct termpair  npair;
1.30      kristaps  315:        size_t           offset, rmargin;
1.368     schwarze  316:        int              chld;
1.1       kristaps  317:
1.372     schwarze  318:        /*
                    319:         * In no-fill mode, break the output line at the beginning
                    320:         * of new input lines except after \c, and nowhere else.
                    321:         */
                    322:
                    323:        if (n->flags & NODE_NOFILL) {
                    324:                if (n->flags & NODE_LINE &&
                    325:                    (p->flags & TERMP_NONEWLINE) == 0)
                    326:                        term_newln(p);
                    327:                p->flags |= TERMP_BRNEVER;
                    328:        } else
                    329:                p->flags &= ~TERMP_BRNEVER;
                    330:
1.367     schwarze  331:        if (n->type == ROFFT_COMMENT || n->flags & NODE_NOPRT)
1.337     schwarze  332:                return;
                    333:
1.70      kristaps  334:        chld = 1;
1.362     schwarze  335:        offset = p->tcol->offset;
                    336:        rmargin = p->tcol->rmargin;
1.338     schwarze  337:        n->flags &= ~NODE_ENDED;
1.305     schwarze  338:        n->prev_font = p->fonti;
1.29      kristaps  339:
1.97      kristaps  340:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  341:        npair.ppair = pair;
1.172     kristaps  342:
1.378   ! schwarze  343:        if (n->flags & NODE_ID)
        !           344:                tag_put(n->string == NULL ? n->child->string : n->string,
        !           345:                    TAG_MANUAL, p->line);
        !           346:
1.172     kristaps  347:        /*
                    348:         * Keeps only work until the end of a line.  If a keep was
                    349:         * invoked in a prior line, revert it to PREKEEP.
                    350:         */
                    351:
1.338     schwarze  352:        if (p->flags & TERMP_KEEP && n->flags & NODE_LINE) {
1.307     schwarze  353:                p->flags &= ~TERMP_KEEP;
                    354:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  355:        }
1.197     schwarze  356:
                    357:        /*
1.217     schwarze  358:         * After the keep flags have been set up, we may now
                    359:         * produce output.  Note that some pre-handlers do so.
                    360:         */
                    361:
1.373     schwarze  362:        act = NULL;
1.217     schwarze  363:        switch (n->type) {
1.314     schwarze  364:        case ROFFT_TEXT:
1.372     schwarze  365:                if (n->flags & NODE_LINE) {
                    366:                        switch (*n->string) {
                    367:                        case '\0':
                    368:                                if (p->flags & TERMP_NONEWLINE)
                    369:                                        term_newln(p);
                    370:                                else
                    371:                                        term_vspace(p);
                    372:                                return;
                    373:                        case ' ':
                    374:                                if ((p->flags & TERMP_NONEWLINE) == 0)
                    375:                                        term_newln(p);
                    376:                                break;
                    377:                        default:
                    378:                                break;
                    379:                        }
                    380:                }
1.338     schwarze  381:                if (NODE_DELIMC & n->flags)
1.222     kristaps  382:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  383:                term_word(p, n->string);
1.338     schwarze  384:                if (NODE_DELIMO & n->flags)
1.222     kristaps  385:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  386:                break;
1.314     schwarze  387:        case ROFFT_EQN:
1.338     schwarze  388:                if ( ! (n->flags & NODE_LINE))
1.284     schwarze  389:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  390:                term_eqn(p, n->eqn);
1.338     schwarze  391:                if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.285     schwarze  392:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  393:                break;
1.314     schwarze  394:        case ROFFT_TBL:
1.313     schwarze  395:                if (p->tbl.cols == NULL)
                    396:                        term_newln(p);
1.217     schwarze  397:                term_tbl(p, n->span);
                    398:                break;
                    399:        default:
1.351     schwarze  400:                if (n->tok < ROFF_MAX) {
1.352     schwarze  401:                        roff_term_pre(p, n);
1.354     schwarze  402:                        return;
1.351     schwarze  403:                }
                    404:                assert(n->tok >= MDOC_Dd && n->tok < MDOC_MAX);
1.368     schwarze  405:                act = mdoc_term_acts + (n->tok - MDOC_Dd);
                    406:                if (act->pre != NULL &&
1.331     schwarze  407:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.368     schwarze  408:                        chld = (*act->pre)(p, &npair, meta, n);
1.217     schwarze  409:                break;
                    410:        }
                    411:
1.86      kristaps  412:        if (chld && n->child)
1.245     schwarze  413:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  414:
1.244     schwarze  415:        term_fontpopq(p,
1.310     schwarze  416:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  417:
1.206     kristaps  418:        switch (n->type) {
1.314     schwarze  419:        case ROFFT_TEXT:
1.206     kristaps  420:                break;
1.314     schwarze  421:        case ROFFT_TBL:
1.216     kristaps  422:                break;
1.314     schwarze  423:        case ROFFT_EQN:
1.206     kristaps  424:                break;
                    425:        default:
1.368     schwarze  426:                if (act->post == NULL || n->flags & NODE_ENDED)
1.206     kristaps  427:                        break;
1.368     schwarze  428:                (void)(*act->post)(p, &npair, meta, n);
1.162     schwarze  429:
                    430:                /*
                    431:                 * Explicit end tokens not only call the post
                    432:                 * handler, but also tell the respective block
                    433:                 * that it must not call the post handler again.
                    434:                 */
1.165     kristaps  435:                if (ENDBODY_NOT != n->end)
1.338     schwarze  436:                        n->body->flags |= NODE_ENDED;
1.206     kristaps  437:                break;
1.162     schwarze  438:        }
1.121     kristaps  439:
1.338     schwarze  440:        if (NODE_EOS & n->flags)
1.121     kristaps  441:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  442:
1.359     schwarze  443:        if (n->type != ROFFT_TEXT)
1.362     schwarze  444:                p->tcol->offset = offset;
                    445:        p->tcol->rmargin = rmargin;
1.1       kristaps  446: }
                    447:
1.3       kristaps  448: static void
1.316     schwarze  449: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  450: {
1.292     schwarze  451:        size_t sz;
1.144     kristaps  452:
1.102     kristaps  453:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  454:
1.264     schwarze  455:        /*
1.9       kristaps  456:         * Output the footer in new-groff style, that is, three columns
                    457:         * with the middle being the manual date and flanking columns
                    458:         * being the operating system:
                    459:         *
                    460:         * SYSTEM                  DATE                    SYSTEM
                    461:         */
                    462:
1.1       kristaps  463:        term_vspace(p);
                    464:
1.362     schwarze  465:        p->tcol->offset = 0;
1.292     schwarze  466:        sz = term_strlen(p, meta->date);
1.362     schwarze  467:        p->tcol->rmargin = p->maxrmargin > sz ?
1.292     schwarze  468:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  469:        p->trailspace = 1;
1.1       kristaps  470:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    471:
1.245     schwarze  472:        term_word(p, meta->os);
1.1       kristaps  473:        term_flushln(p);
                    474:
1.362     schwarze  475:        p->tcol->offset = p->tcol->rmargin;
1.292     schwarze  476:        sz = term_strlen(p, meta->os);
1.362     schwarze  477:        p->tcol->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  478:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  479:
1.245     schwarze  480:        term_word(p, meta->date);
1.9       kristaps  481:        term_flushln(p);
                    482:
1.362     schwarze  483:        p->tcol->offset = p->tcol->rmargin;
                    484:        p->tcol->rmargin = p->maxrmargin;
1.250     schwarze  485:        p->trailspace = 0;
1.1       kristaps  486:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  487:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  488:
1.245     schwarze  489:        term_word(p, meta->os);
1.1       kristaps  490:        term_flushln(p);
                    491:
1.362     schwarze  492:        p->tcol->offset = 0;
                    493:        p->tcol->rmargin = p->maxrmargin;
1.9       kristaps  494:        p->flags = 0;
1.1       kristaps  495: }
                    496:
1.3       kristaps  497: static void
1.316     schwarze  498: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  499: {
1.267     schwarze  500:        char                    *volume, *title;
                    501:        size_t                   vollen, titlen;
1.1       kristaps  502:
                    503:        /*
                    504:         * The header is strange.  It has three components, which are
                    505:         * really two with the first duplicated.  It goes like this:
                    506:         *
                    507:         * IDENTIFIER              TITLE                   IDENTIFIER
                    508:         *
                    509:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    510:         * (if given, or "unknown" if not) followed by the manual page
                    511:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    512:         * string depending on the manual volume.  If not specified, it
                    513:         * switches on the manual section.
                    514:         */
1.235     schwarze  515:
1.245     schwarze  516:        assert(meta->vol);
1.267     schwarze  517:        if (NULL == meta->arch)
                    518:                volume = mandoc_strdup(meta->vol);
                    519:        else
                    520:                mandoc_asprintf(&volume, "%s (%s)",
                    521:                    meta->vol, meta->arch);
                    522:        vollen = term_strlen(p, volume);
1.1       kristaps  523:
1.275     schwarze  524:        if (NULL == meta->msec)
                    525:                title = mandoc_strdup(meta->title);
                    526:        else
                    527:                mandoc_asprintf(&title, "%s(%s)",
                    528:                    meta->title, meta->msec);
1.235     schwarze  529:        titlen = term_strlen(p, title);
1.1       kristaps  530:
1.235     schwarze  531:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  532:        p->trailspace = 1;
1.362     schwarze  533:        p->tcol->offset = 0;
                    534:        p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.267     schwarze  535:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  536:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  537:
                    538:        term_word(p, title);
                    539:        term_flushln(p);
                    540:
1.235     schwarze  541:        p->flags |= TERMP_NOSPACE;
1.362     schwarze  542:        p->tcol->offset = p->tcol->rmargin;
                    543:        p->tcol->rmargin = p->tcol->offset + vollen + titlen <
                    544:            p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  545:
1.267     schwarze  546:        term_word(p, volume);
1.1       kristaps  547:        term_flushln(p);
                    548:
                    549:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  550:        p->trailspace = 0;
1.362     schwarze  551:        if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.235     schwarze  552:                p->flags |= TERMP_NOSPACE;
1.362     schwarze  553:                p->tcol->offset = p->tcol->rmargin;
                    554:                p->tcol->rmargin = p->maxrmargin;
1.235     schwarze  555:                term_word(p, title);
                    556:                term_flushln(p);
                    557:        }
1.1       kristaps  558:
1.235     schwarze  559:        p->flags &= ~TERMP_NOSPACE;
1.362     schwarze  560:        p->tcol->offset = 0;
                    561:        p->tcol->rmargin = p->maxrmargin;
1.266     schwarze  562:        free(title);
1.267     schwarze  563:        free(volume);
1.1       kristaps  564: }
                    565:
1.302     schwarze  566: static int
1.157     kristaps  567: a2width(const struct termp *p, const char *v)
1.91      kristaps  568: {
1.92      kristaps  569:        struct roffsu    su;
1.363     schwarze  570:        const char      *end;
1.1       kristaps  571:
1.363     schwarze  572:        end = a2roffsu(v, &su, SCALE_MAX);
                    573:        if (end == NULL || *end != '\0') {
1.157     kristaps  574:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  575:                su.scale /= term_strlen(p, "0");
1.302     schwarze  576:        }
1.364     schwarze  577:        return term_hen(p, &su);
1.1       kristaps  578: }
                    579:
1.108     kristaps  580: /*
                    581:  * Determine how much space to print out before block elements of `It'
                    582:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    583:  * too.
                    584:  */
1.54      kristaps  585: static void
1.377     schwarze  586: print_bvspace(struct termp *p, struct roff_node *bl, struct roff_node *n)
1.1       kristaps  587: {
1.377     schwarze  588:        struct roff_node *nn;
1.1       kristaps  589:
                    590:        term_newln(p);
1.150     kristaps  591:
1.377     schwarze  592:        if ((bl->tok == MDOC_Bd && bl->norm->Bd.comp) ||
                    593:            (bl->tok == MDOC_Bl && bl->norm->Bl.comp))
1.54      kristaps  594:                return;
                    595:
1.85      kristaps  596:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  597:
1.289     schwarze  598:        nn = n;
1.377     schwarze  599:        while (roff_node_prev(nn) == NULL) {
1.289     schwarze  600:                do {
                    601:                        nn = nn->parent;
1.314     schwarze  602:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  603:                                return;
1.314     schwarze  604:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  605:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  606:                        return;
1.289     schwarze  607:                if (nn->tok == MDOC_It &&
                    608:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    609:                        break;
1.1       kristaps  610:        }
                    611:
1.377     schwarze  612:        /*
                    613:         * No vertical space after:
                    614:         * items in .Bl -column
                    615:         * items without a body in .Bl -diag
                    616:         */
1.54      kristaps  617:
1.377     schwarze  618:        if (bl->tok != MDOC_Bl ||
                    619:            n->prev == NULL || n->prev->tok != MDOC_It ||
                    620:            (bl->norm->Bl.type != LIST_column &&
                    621:             (bl->norm->Bl.type != LIST_diag ||
                    622:              n->prev->body->child != NULL)))
                    623:                term_vspace(p);
1.260     schwarze  624: }
                    625:
1.1       kristaps  626:
                    627: static int
                    628: termp_it_pre(DECL_ARGS)
                    629: {
1.345     schwarze  630:        struct roffsu           su;
1.302     schwarze  631:        char                    buf[24];
1.315     schwarze  632:        const struct roff_node *bl, *nn;
1.302     schwarze  633:        size_t                  ncols, dcol;
                    634:        int                     i, offset, width;
1.126     kristaps  635:        enum mdoc_list          type;
1.1       kristaps  636:
1.314     schwarze  637:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  638:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  639:                return 1;
1.54      kristaps  640:        }
1.1       kristaps  641:
1.86      kristaps  642:        bl = n->parent->parent->parent;
1.202     kristaps  643:        type = bl->norm->Bl.type;
1.1       kristaps  644:
1.264     schwarze  645:        /*
1.302     schwarze  646:         * Defaults for specific list types.
                    647:         */
                    648:
                    649:        switch (type) {
                    650:        case LIST_bullet:
                    651:        case LIST_dash:
                    652:        case LIST_hyphen:
                    653:        case LIST_enum:
                    654:                width = term_len(p, 2);
                    655:                break;
                    656:        case LIST_hang:
1.332     schwarze  657:        case LIST_tag:
1.302     schwarze  658:                width = term_len(p, 8);
                    659:                break;
                    660:        case LIST_column:
                    661:                width = term_len(p, 10);
                    662:                break;
                    663:        default:
                    664:                width = 0;
                    665:                break;
                    666:        }
                    667:        offset = 0;
                    668:
                    669:        /*
1.108     kristaps  670:         * First calculate width and offset.  This is pretty easy unless
                    671:         * we're a -column list, in which case all prior columns must
                    672:         * be accounted for.
                    673:         */
                    674:
1.302     schwarze  675:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  676:                offset = a2width(p, bl->norm->Bl.offs);
1.362     schwarze  677:                if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
                    678:                        offset = -p->tcol->offset;
1.302     schwarze  679:                else if (offset > SHRT_MAX)
                    680:                        offset = 0;
                    681:        }
1.152     kristaps  682:
1.1       kristaps  683:        switch (type) {
1.264     schwarze  684:        case LIST_column:
1.314     schwarze  685:                if (n->type == ROFFT_HEAD)
1.1       kristaps  686:                        break;
1.155     kristaps  687:
1.105     kristaps  688:                /*
1.108     kristaps  689:                 * Imitate groff's column handling:
                    690:                 * - For each earlier column, add its width.
                    691:                 * - For less than 5 columns, add four more blanks per
                    692:                 *   column.
                    693:                 * - For exactly 5 columns, add three more blank per
                    694:                 *   column.
                    695:                 * - For more than 5 columns, add only one column.
1.105     kristaps  696:                 */
1.202     kristaps  697:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  698:                dcol = ncols < 5 ? term_len(p, 4) :
                    699:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  700:
1.134     kristaps  701:                /*
1.314     schwarze  702:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    703:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  704:                 */
                    705:
1.264     schwarze  706:                for (i = 0, nn = n->prev;
                    707:                    nn->prev && i < (int)ncols;
1.345     schwarze  708:                    nn = nn->prev, i++) {
                    709:                        SCALE_HS_INIT(&su,
                    710:                            term_strlen(p, bl->norm->Bl.cols[i]));
                    711:                        su.scale /= term_strlen(p, "0");
1.364     schwarze  712:                        offset += term_hen(p, &su) + dcol;
1.345     schwarze  713:                }
1.105     kristaps  714:
                    715:                /*
1.108     kristaps  716:                 * When exceeding the declared number of columns, leave
                    717:                 * the remaining widths at 0.  This will later be
                    718:                 * adjusted to the default width of 10, or, for the last
                    719:                 * column, stretched to the right margin.
1.58      kristaps  720:                 */
1.108     kristaps  721:                if (i >= (int)ncols)
                    722:                        break;
1.58      kristaps  723:
1.105     kristaps  724:                /*
1.108     kristaps  725:                 * Use the declared column widths, extended as explained
                    726:                 * in the preceding paragraph.
1.105     kristaps  727:                 */
1.345     schwarze  728:                SCALE_HS_INIT(&su, term_strlen(p, bl->norm->Bl.cols[i]));
                    729:                su.scale /= term_strlen(p, "0");
1.364     schwarze  730:                width = term_hen(p, &su) + dcol;
1.1       kristaps  731:                break;
                    732:        default:
1.202     kristaps  733:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  734:                        break;
                    735:
1.264     schwarze  736:                /*
1.108     kristaps  737:                 * Note: buffer the width by 2, which is groff's magic
                    738:                 * number for buffering single arguments.  See the above
                    739:                 * handling for column for how this changes.
                    740:                 */
1.202     kristaps  741:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.362     schwarze  742:                if (width < 0 && (size_t)(-width) > p->tcol->offset)
                    743:                        width = -p->tcol->offset;
1.302     schwarze  744:                else if (width > SHRT_MAX)
                    745:                        width = 0;
1.1       kristaps  746:                break;
                    747:        }
                    748:
1.264     schwarze  749:        /*
1.17      kristaps  750:         * Whitespace control.  Inset bodies need an initial space,
                    751:         * while diagonal bodies need two.
1.1       kristaps  752:         */
                    753:
1.51      kristaps  754:        p->flags |= TERMP_NOSPACE;
                    755:
1.1       kristaps  756:        switch (type) {
1.264     schwarze  757:        case LIST_diag:
1.314     schwarze  758:                if (n->type == ROFFT_BODY)
1.62      kristaps  759:                        term_word(p, "\\ \\ ");
1.51      kristaps  760:                break;
1.264     schwarze  761:        case LIST_inset:
1.331     schwarze  762:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51      kristaps  763:                        term_word(p, "\\ ");
1.1       kristaps  764:                break;
                    765:        default:
                    766:                break;
                    767:        }
                    768:
1.51      kristaps  769:        p->flags |= TERMP_NOSPACE;
                    770:
1.1       kristaps  771:        switch (type) {
1.264     schwarze  772:        case LIST_diag:
1.314     schwarze  773:                if (n->type == ROFFT_HEAD)
1.102     kristaps  774:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  775:                break;
                    776:        default:
                    777:                break;
                    778:        }
                    779:
                    780:        /*
1.109     kristaps  781:         * Pad and break control.  This is the tricky part.  These flags
                    782:         * are documented in term_flushln() in term.c.  Note that we're
                    783:         * going to unset all of these flags in termp_it_post() when we
                    784:         * exit.
1.1       kristaps  785:         */
                    786:
                    787:        switch (type) {
1.264     schwarze  788:        case LIST_enum:
1.329     schwarze  789:        case LIST_bullet:
                    790:        case LIST_dash:
                    791:        case LIST_hyphen:
1.360     schwarze  792:                if (n->type == ROFFT_HEAD) {
                    793:                        p->flags |= TERMP_NOBREAK | TERMP_HANG;
                    794:                        p->trailspace = 1;
                    795:                } else if (width <= (int)term_len(p, 2))
                    796:                        p->flags |= TERMP_NOPAD;
1.39      kristaps  797:                break;
1.264     schwarze  798:        case LIST_hang:
1.314     schwarze  799:                if (n->type != ROFFT_HEAD)
1.59      kristaps  800:                        break;
1.263     schwarze  801:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  802:                p->trailspace = 1;
1.39      kristaps  803:                break;
1.264     schwarze  804:        case LIST_tag:
1.314     schwarze  805:                if (n->type != ROFFT_HEAD)
1.39      kristaps  806:                        break;
1.250     schwarze  807:
1.326     schwarze  808:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  809:                p->trailspace = 2;
                    810:
1.86      kristaps  811:                if (NULL == n->next || NULL == n->next->child)
1.360     schwarze  812:                        p->flags |= TERMP_HANG;
1.1       kristaps  813:                break;
1.264     schwarze  814:        case LIST_column:
1.314     schwarze  815:                if (n->type == ROFFT_HEAD)
1.134     kristaps  816:                        break;
                    817:
1.250     schwarze  818:                if (NULL == n->next) {
1.134     kristaps  819:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  820:                        p->trailspace = 0;
                    821:                } else {
1.134     kristaps  822:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  823:                        p->trailspace = 1;
                    824:                }
1.134     kristaps  825:
1.1       kristaps  826:                break;
1.264     schwarze  827:        case LIST_diag:
1.314     schwarze  828:                if (n->type != ROFFT_HEAD)
1.250     schwarze  829:                        break;
1.263     schwarze  830:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  831:                p->trailspace = 1;
1.1       kristaps  832:                break;
                    833:        default:
                    834:                break;
                    835:        }
                    836:
1.264     schwarze  837:        /*
1.1       kristaps  838:         * Margin control.  Set-head-width lists have their right
                    839:         * margins shortened.  The body for these lists has the offset
                    840:         * necessarily lengthened.  Everybody gets the offset.
                    841:         */
                    842:
1.362     schwarze  843:        p->tcol->offset += offset;
1.1       kristaps  844:
                    845:        switch (type) {
1.264     schwarze  846:        case LIST_bullet:
                    847:        case LIST_dash:
                    848:        case LIST_enum:
                    849:        case LIST_hyphen:
1.360     schwarze  850:        case LIST_hang:
1.264     schwarze  851:        case LIST_tag:
1.314     schwarze  852:                if (n->type == ROFFT_HEAD)
1.362     schwarze  853:                        p->tcol->rmargin = p->tcol->offset + width;
1.292     schwarze  854:                else
1.362     schwarze  855:                        p->tcol->offset += width;
1.1       kristaps  856:                break;
1.264     schwarze  857:        case LIST_column:
1.49      kristaps  858:                assert(width);
1.362     schwarze  859:                p->tcol->rmargin = p->tcol->offset + width;
1.264     schwarze  860:                /*
1.50      kristaps  861:                 * XXX - this behaviour is not documented: the
                    862:                 * right-most column is filled to the right margin.
                    863:                 */
1.314     schwarze  864:                if (n->type == ROFFT_HEAD)
1.134     kristaps  865:                        break;
1.362     schwarze  866:                if (n->next == NULL && p->tcol->rmargin < p->maxrmargin)
                    867:                        p->tcol->rmargin = p->maxrmargin;
1.1       kristaps  868:                break;
                    869:        default:
                    870:                break;
                    871:        }
                    872:
1.264     schwarze  873:        /*
1.1       kristaps  874:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  875:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  876:         */
                    877:
1.314     schwarze  878:        if (n->type == ROFFT_HEAD)
1.1       kristaps  879:                switch (type) {
1.264     schwarze  880:                case LIST_bullet:
1.102     kristaps  881:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  882:                        term_word(p, "\\[bu]");
1.102     kristaps  883:                        term_fontpop(p);
1.1       kristaps  884:                        break;
1.264     schwarze  885:                case LIST_dash:
                    886:                case LIST_hyphen:
1.102     kristaps  887:                        term_fontpush(p, TERMFONT_BOLD);
1.330     schwarze  888:                        term_word(p, "-");
1.102     kristaps  889:                        term_fontpop(p);
1.1       kristaps  890:                        break;
1.264     schwarze  891:                case LIST_enum:
1.1       kristaps  892:                        (pair->ppair->ppair->count)++;
1.265     schwarze  893:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  894:                            pair->ppair->ppair->count);
1.1       kristaps  895:                        term_word(p, buf);
                    896:                        break;
                    897:                default:
                    898:                        break;
                    899:                }
                    900:
1.264     schwarze  901:        /*
1.1       kristaps  902:         * If we're not going to process our children, indicate so here.
                    903:         */
                    904:
                    905:        switch (type) {
1.264     schwarze  906:        case LIST_bullet:
                    907:        case LIST_item:
                    908:        case LIST_dash:
                    909:        case LIST_hyphen:
                    910:        case LIST_enum:
1.314     schwarze  911:                if (n->type == ROFFT_HEAD)
1.328     schwarze  912:                        return 0;
1.1       kristaps  913:                break;
1.264     schwarze  914:        case LIST_column:
1.314     schwarze  915:                if (n->type == ROFFT_HEAD)
1.328     schwarze  916:                        return 0;
1.360     schwarze  917:                p->minbl = 0;
1.1       kristaps  918:                break;
                    919:        default:
                    920:                break;
                    921:        }
                    922:
1.328     schwarze  923:        return 1;
1.1       kristaps  924: }
                    925:
                    926: static void
                    927: termp_it_post(DECL_ARGS)
                    928: {
1.126     kristaps  929:        enum mdoc_list     type;
1.1       kristaps  930:
1.314     schwarze  931:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  932:                return;
                    933:
1.202     kristaps  934:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  935:
                    936:        switch (type) {
1.264     schwarze  937:        case LIST_item:
                    938:        case LIST_diag:
                    939:        case LIST_inset:
1.314     schwarze  940:                if (n->type == ROFFT_BODY)
1.130     schwarze  941:                        term_newln(p);
1.1       kristaps  942:                break;
1.264     schwarze  943:        case LIST_column:
1.314     schwarze  944:                if (n->type == ROFFT_BODY)
1.1       kristaps  945:                        term_flushln(p);
                    946:                break;
                    947:        default:
1.130     schwarze  948:                term_newln(p);
1.1       kristaps  949:                break;
                    950:        }
                    951:
1.264     schwarze  952:        /*
1.109     kristaps  953:         * Now that our output is flushed, we can reset our tags.  Since
                    954:         * only `It' sets these flags, we're free to assume that nobody
                    955:         * has munged them in the meanwhile.
                    956:         */
                    957:
1.360     schwarze  958:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND | TERMP_HANG);
1.250     schwarze  959:        p->trailspace = 0;
1.1       kristaps  960: }
                    961:
                    962: static int
                    963: termp_nm_pre(DECL_ARGS)
                    964: {
1.296     schwarze  965:        const char      *cp;
1.1       kristaps  966:
1.314     schwarze  967:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  968:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  969:                return 1;
1.253     schwarze  970:        }
1.164     schwarze  971:
1.314     schwarze  972:        if (n->type == ROFFT_BODY) {
1.362     schwarze  973:                if (n->child == NULL)
1.328     schwarze  974:                        return 0;
1.234     schwarze  975:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  976:                cp = NULL;
                    977:                if (n->prev->child != NULL)
                    978:                    cp = n->prev->child->string;
                    979:                if (cp == NULL)
                    980:                        cp = meta->name;
                    981:                if (cp == NULL)
1.362     schwarze  982:                        p->tcol->offset += term_len(p, 6);
1.296     schwarze  983:                else
1.362     schwarze  984:                        p->tcol->offset += term_len(p, 1) +
                    985:                            term_strlen(p, cp);
1.328     schwarze  986:                return 1;
1.164     schwarze  987:        }
                    988:
1.343     schwarze  989:        if (n->child == NULL)
1.328     schwarze  990:                return 0;
1.125     kristaps  991:
1.314     schwarze  992:        if (n->type == ROFFT_HEAD)
1.177     schwarze  993:                synopsis_pre(p, n->parent);
1.102     kristaps  994:
1.314     schwarze  995:        if (n->type == ROFFT_HEAD &&
1.362     schwarze  996:            n->next != NULL && n->next->child != NULL) {
1.263     schwarze  997:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  998:                p->trailspace = 1;
1.362     schwarze  999:                p->tcol->rmargin = p->tcol->offset + term_len(p, 1);
                   1000:                if (n->child == NULL)
                   1001:                        p->tcol->rmargin += term_strlen(p, meta->name);
                   1002:                else if (n->child->type == ROFFT_TEXT) {
                   1003:                        p->tcol->rmargin += term_strlen(p, n->child->string);
                   1004:                        if (n->child->next != NULL)
1.185     schwarze 1005:                                p->flags |= TERMP_HANG;
                   1006:                } else {
1.362     schwarze 1007:                        p->tcol->rmargin += term_len(p, 5);
1.185     schwarze 1008:                        p->flags |= TERMP_HANG;
                   1009:                }
1.164     schwarze 1010:        }
                   1011:
1.102     kristaps 1012:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1013:        return 1;
1.1       kristaps 1014: }
                   1015:
1.164     schwarze 1016: static void
                   1017: termp_nm_post(DECL_ARGS)
                   1018: {
                   1019:
1.314     schwarze 1020:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1021:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1022:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1023:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1024:                term_flushln(p);
1.263     schwarze 1025:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1026:                p->trailspace = 0;
1.314     schwarze 1027:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1028:                term_flushln(p);
                   1029: }
                   1030:
1.1       kristaps 1031: static int
                   1032: termp_fl_pre(DECL_ARGS)
                   1033: {
1.377     schwarze 1034:        struct roff_node *nn;
1.1       kristaps 1035:
1.320     schwarze 1036:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1037:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1038:        term_word(p, "\\-");
1.103     kristaps 1039:
1.377     schwarze 1040:        if (n->child != NULL ||
                   1041:            ((nn = roff_node_next(n)) != NULL &&
                   1042:             nn->type != ROFFT_TEXT &&
                   1043:             (nn->flags & NODE_LINE) == 0))
1.103     kristaps 1044:                p->flags |= TERMP_NOSPACE;
                   1045:
1.328     schwarze 1046:        return 1;
1.1       kristaps 1047: }
                   1048:
                   1049: static int
1.184     kristaps 1050: termp__a_pre(DECL_ARGS)
                   1051: {
1.377     schwarze 1052:        struct roff_node *nn;
1.184     kristaps 1053:
1.377     schwarze 1054:        if ((nn = roff_node_prev(n)) != NULL && nn->tok == MDOC__A &&
                   1055:            ((nn = roff_node_next(n)) == NULL || nn->tok != MDOC__A))
                   1056:                term_word(p, "and");
1.184     kristaps 1057:
1.328     schwarze 1058:        return 1;
1.184     kristaps 1059: }
                   1060:
                   1061: static int
1.61      kristaps 1062: termp_an_pre(DECL_ARGS)
                   1063: {
                   1064:
1.282     schwarze 1065:        if (n->norm->An.auth == AUTH_split) {
                   1066:                p->flags &= ~TERMP_NOSPLIT;
                   1067:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1068:                return 0;
1.282     schwarze 1069:        }
                   1070:        if (n->norm->An.auth == AUTH_nosplit) {
                   1071:                p->flags &= ~TERMP_SPLIT;
                   1072:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1073:                return 0;
1.282     schwarze 1074:        }
1.264     schwarze 1075:
1.282     schwarze 1076:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1077:                term_newln(p);
                   1078:
1.282     schwarze 1079:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1080:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1081:
1.328     schwarze 1082:        return 1;
1.61      kristaps 1083: }
                   1084:
                   1085: static int
1.1       kristaps 1086: termp_ns_pre(DECL_ARGS)
                   1087: {
                   1088:
1.338     schwarze 1089:        if ( ! (NODE_LINE & n->flags))
1.215     kristaps 1090:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1091:        return 1;
1.1       kristaps 1092: }
                   1093:
                   1094: static int
                   1095: termp_rs_pre(DECL_ARGS)
                   1096: {
1.86      kristaps 1097:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1098:                return 1;
1.377     schwarze 1099:        if (n->type == ROFFT_BLOCK && roff_node_prev(n) != NULL)
1.1       kristaps 1100:                term_vspace(p);
1.328     schwarze 1101:        return 1;
1.1       kristaps 1102: }
                   1103:
                   1104: static int
                   1105: termp_ex_pre(DECL_ARGS)
                   1106: {
1.224     kristaps 1107:        term_newln(p);
1.341     schwarze 1108:        return 1;
1.1       kristaps 1109: }
                   1110:
                   1111: static int
                   1112: termp_nd_pre(DECL_ARGS)
                   1113: {
1.25      kristaps 1114:
1.314     schwarze 1115:        if (n->type == ROFFT_BODY)
1.297     schwarze 1116:                term_word(p, "\\(en");
1.328     schwarze 1117:        return 1;
1.115     kristaps 1118: }
                   1119:
                   1120: static int
                   1121: termp_bl_pre(DECL_ARGS)
                   1122: {
                   1123:
1.328     schwarze 1124:        return n->type != ROFFT_HEAD;
1.1       kristaps 1125: }
                   1126:
                   1127: static void
                   1128: termp_bl_post(DECL_ARGS)
                   1129: {
                   1130:
1.356     schwarze 1131:        if (n->type != ROFFT_BLOCK)
                   1132:                return;
                   1133:        term_newln(p);
                   1134:        if (n->tok != MDOC_Bl || n->norm->Bl.type != LIST_column)
                   1135:                return;
                   1136:        term_tab_set(p, NULL);
                   1137:        term_tab_set(p, "T");
                   1138:        term_tab_set(p, ".5i");
1.1       kristaps 1139: }
                   1140:
                   1141: static int
                   1142: termp_xr_pre(DECL_ARGS)
                   1143: {
                   1144:
1.225     kristaps 1145:        if (NULL == (n = n->child))
1.328     schwarze 1146:                return 0;
1.113     kristaps 1147:
1.314     schwarze 1148:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1149:        term_word(p, n->string);
1.11      kristaps 1150:
1.264     schwarze 1151:        if (NULL == (n = n->next))
1.328     schwarze 1152:                return 0;
1.225     kristaps 1153:
1.1       kristaps 1154:        p->flags |= TERMP_NOSPACE;
                   1155:        term_word(p, "(");
1.222     kristaps 1156:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1157:
1.314     schwarze 1158:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1159:        term_word(p, n->string);
                   1160:
1.222     kristaps 1161:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1162:        term_word(p, ")");
1.86      kristaps 1163:
1.328     schwarze 1164:        return 0;
1.1       kristaps 1165: }
                   1166:
1.143     kristaps 1167: /*
                   1168:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1169:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1170:  * macro combos).
                   1171:  */
                   1172: static void
1.377     schwarze 1173: synopsis_pre(struct termp *p, struct roff_node *n)
1.143     kristaps 1174: {
1.377     schwarze 1175:        struct roff_node        *np;
                   1176:
                   1177:        if ((n->flags & NODE_SYNPRETTY) == 0 ||
                   1178:            (np = roff_node_prev(n)) == NULL)
1.143     kristaps 1179:                return;
                   1180:
                   1181:        /*
                   1182:         * If we're the second in a pair of like elements, emit our
                   1183:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1184:         * case we soldier on.
                   1185:         */
1.377     schwarze 1186:        if (np->tok == n->tok &&
1.264     schwarze 1187:            MDOC_Ft != n->tok &&
                   1188:            MDOC_Fo != n->tok &&
                   1189:            MDOC_Fn != n->tok) {
1.143     kristaps 1190:                term_newln(p);
                   1191:                return;
                   1192:        }
                   1193:
                   1194:        /*
                   1195:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1196:         * another (or Fn/Fo, which we've let slip through) then assert
                   1197:         * vertical space, else only newline and move on.
                   1198:         */
1.377     schwarze 1199:        switch (np->tok) {
1.264     schwarze 1200:        case MDOC_Fd:
                   1201:        case MDOC_Fn:
                   1202:        case MDOC_Fo:
                   1203:        case MDOC_In:
                   1204:        case MDOC_Vt:
1.143     kristaps 1205:                term_vspace(p);
                   1206:                break;
1.264     schwarze 1207:        case MDOC_Ft:
1.377     schwarze 1208:                if (n->tok != MDOC_Fn && n->tok != MDOC_Fo) {
1.143     kristaps 1209:                        term_vspace(p);
                   1210:                        break;
                   1211:                }
                   1212:                /* FALLTHROUGH */
                   1213:        default:
                   1214:                term_newln(p);
                   1215:                break;
                   1216:        }
                   1217: }
                   1218:
1.110     kristaps 1219: static int
                   1220: termp_vt_pre(DECL_ARGS)
                   1221: {
                   1222:
1.314     schwarze 1223:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1224:                synopsis_pre(p, n);
1.328     schwarze 1225:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1226:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1227:                synopsis_pre(p, n);
1.328     schwarze 1228:                return 1;
1.314     schwarze 1229:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1230:                return 0;
1.110     kristaps 1231:
1.328     schwarze 1232:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1233: }
                   1234:
1.1       kristaps 1235: static int
1.69      kristaps 1236: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1237: {
                   1238:
1.320     schwarze 1239:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1240:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1241:        return 1;
1.1       kristaps 1242: }
                   1243:
1.143     kristaps 1244: static int
                   1245: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1246: {
                   1247:
1.143     kristaps 1248:        synopsis_pre(p, n);
1.328     schwarze 1249:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1250: }
                   1251:
1.241     schwarze 1252: static void
                   1253: termp_fd_post(DECL_ARGS)
                   1254: {
                   1255:
                   1256:        term_newln(p);
                   1257: }
                   1258:
1.1       kristaps 1259: static int
                   1260: termp_sh_pre(DECL_ARGS)
                   1261: {
1.377     schwarze 1262:        struct roff_node        *np;
1.85      kristaps 1263:
1.86      kristaps 1264:        switch (n->type) {
1.314     schwarze 1265:        case ROFFT_BLOCK:
1.293     schwarze 1266:                /*
                   1267:                 * Vertical space before sections, except
                   1268:                 * when the previous section was empty.
                   1269:                 */
1.377     schwarze 1270:                if ((np = roff_node_prev(n)) == NULL ||
                   1271:                    np->tok != MDOC_Sh ||
                   1272:                    (np->body != NULL && np->body->child != NULL))
1.293     schwarze 1273:                        term_vspace(p);
1.65      kristaps 1274:                break;
1.314     schwarze 1275:        case ROFFT_HEAD:
1.102     kristaps 1276:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1277:                break;
1.314     schwarze 1278:        case ROFFT_BODY:
1.362     schwarze 1279:                p->tcol->offset = term_len(p, p->defindent);
1.356     schwarze 1280:                term_tab_set(p, NULL);
                   1281:                term_tab_set(p, "T");
                   1282:                term_tab_set(p, ".5i");
1.322     schwarze 1283:                switch (n->sec) {
                   1284:                case SEC_DESCRIPTION:
1.376     schwarze 1285:                        fn_prio = TAG_STRONG;
1.322     schwarze 1286:                        break;
                   1287:                case SEC_AUTHORS:
1.239     schwarze 1288:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1289:                        break;
                   1290:                default:
                   1291:                        break;
                   1292:                }
1.1       kristaps 1293:                break;
                   1294:        default:
                   1295:                break;
                   1296:        }
1.328     schwarze 1297:        return 1;
1.1       kristaps 1298: }
                   1299:
                   1300: static void
                   1301: termp_sh_post(DECL_ARGS)
                   1302: {
                   1303:
1.86      kristaps 1304:        switch (n->type) {
1.314     schwarze 1305:        case ROFFT_HEAD:
1.1       kristaps 1306:                term_newln(p);
                   1307:                break;
1.314     schwarze 1308:        case ROFFT_BODY:
1.1       kristaps 1309:                term_newln(p);
1.362     schwarze 1310:                p->tcol->offset = 0;
1.1       kristaps 1311:                break;
                   1312:        default:
                   1313:                break;
                   1314:        }
                   1315: }
                   1316:
                   1317: static void
                   1318: termp_lb_post(DECL_ARGS)
                   1319: {
                   1320:
1.338     schwarze 1321:        if (SEC_LIBRARY == n->sec && NODE_LINE & n->flags)
1.81      kristaps 1322:                term_newln(p);
1.1       kristaps 1323: }
                   1324:
                   1325: static int
                   1326: termp_d1_pre(DECL_ARGS)
                   1327: {
                   1328:
1.314     schwarze 1329:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1330:                return 1;
1.1       kristaps 1331:        term_newln(p);
1.362     schwarze 1332:        p->tcol->offset += term_len(p, p->defindent + 1);
1.356     schwarze 1333:        term_tab_set(p, NULL);
                   1334:        term_tab_set(p, "T");
                   1335:        term_tab_set(p, ".5i");
1.328     schwarze 1336:        return 1;
1.1       kristaps 1337: }
                   1338:
                   1339: static int
                   1340: termp_ft_pre(DECL_ARGS)
                   1341: {
                   1342:
1.338     schwarze 1343:        /* NB: NODE_LINE does not effect this! */
1.143     kristaps 1344:        synopsis_pre(p, n);
1.102     kristaps 1345:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1346:        return 1;
1.1       kristaps 1347: }
                   1348:
                   1349: static int
                   1350: termp_fn_pre(DECL_ARGS)
                   1351: {
1.257     schwarze 1352:        size_t           rmargin = 0;
1.226     kristaps 1353:        int              pretty;
                   1354:
1.338     schwarze 1355:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1356:
1.143     kristaps 1357:        synopsis_pre(p, n);
1.139     kristaps 1358:
1.226     kristaps 1359:        if (NULL == (n = n->child))
1.328     schwarze 1360:                return 0;
1.226     kristaps 1361:
1.251     schwarze 1362:        if (pretty) {
1.362     schwarze 1363:                rmargin = p->tcol->rmargin;
                   1364:                p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263     schwarze 1365:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1366:        }
                   1367:
1.314     schwarze 1368:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1369:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1370:        term_word(p, n->string);
1.102     kristaps 1371:        term_fontpop(p);
1.1       kristaps 1372:
1.336     schwarze 1373:        if (n->sec == SEC_DESCRIPTION || n->sec == SEC_CUSTOM)
1.376     schwarze 1374:                tag_put(n->string, fn_prio++, p->line);
1.322     schwarze 1375:
1.251     schwarze 1376:        if (pretty) {
                   1377:                term_flushln(p);
1.263     schwarze 1378:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.360     schwarze 1379:                p->flags |= TERMP_NOPAD;
1.362     schwarze 1380:                p->tcol->offset = p->tcol->rmargin;
                   1381:                p->tcol->rmargin = rmargin;
1.251     schwarze 1382:        }
                   1383:
1.1       kristaps 1384:        p->flags |= TERMP_NOSPACE;
                   1385:        term_word(p, "(");
1.222     kristaps 1386:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1387:
1.226     kristaps 1388:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1389:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1390:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1391:                if (pretty)
                   1392:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1393:                term_word(p, n->string);
1.102     kristaps 1394:                term_fontpop(p);
                   1395:
1.226     kristaps 1396:                if (n->next) {
1.222     kristaps 1397:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1398:                        term_word(p, ",");
1.222     kristaps 1399:                }
1.1       kristaps 1400:        }
                   1401:
1.222     kristaps 1402:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1403:        term_word(p, ")");
                   1404:
1.226     kristaps 1405:        if (pretty) {
1.222     kristaps 1406:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1407:                term_word(p, ";");
1.251     schwarze 1408:                term_flushln(p);
1.222     kristaps 1409:        }
1.1       kristaps 1410:
1.328     schwarze 1411:        return 0;
1.1       kristaps 1412: }
                   1413:
                   1414: static int
                   1415: termp_fa_pre(DECL_ARGS)
                   1416: {
1.315     schwarze 1417:        const struct roff_node  *nn;
1.1       kristaps 1418:
1.86      kristaps 1419:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1420:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1421:                return 1;
1.1       kristaps 1422:        }
1.377     schwarze 1423:        for (nn = n->child; nn != NULL; nn = nn->next) {
1.102     kristaps 1424:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1425:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1426:                term_word(p, nn->string);
1.102     kristaps 1427:                term_fontpop(p);
1.377     schwarze 1428:                if (nn->next != NULL) {
1.222     kristaps 1429:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1430:                        term_word(p, ",");
1.222     kristaps 1431:                }
1.1       kristaps 1432:        }
1.377     schwarze 1433:        if (n->child != NULL &&
                   1434:            (nn = roff_node_next(n)) != NULL &&
                   1435:            nn->tok == MDOC_Fa) {
                   1436:                p->flags |= TERMP_NOSPACE;
                   1437:                term_word(p, ",");
                   1438:        }
1.328     schwarze 1439:        return 0;
1.1       kristaps 1440: }
                   1441:
                   1442: static int
                   1443: termp_bd_pre(DECL_ARGS)
                   1444: {
1.302     schwarze 1445:        int                      offset;
1.1       kristaps 1446:
1.314     schwarze 1447:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1448:                print_bvspace(p, n, n);
1.328     schwarze 1449:                return 1;
1.314     schwarze 1450:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1451:                return 0;
1.1       kristaps 1452:
1.288     schwarze 1453:        /* Handle the -offset argument. */
                   1454:
                   1455:        if (n->norm->Bd.offs == NULL ||
                   1456:            ! strcmp(n->norm->Bd.offs, "left"))
                   1457:                /* nothing */;
                   1458:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
1.362     schwarze 1459:                p->tcol->offset += term_len(p, p->defindent + 1);
1.288     schwarze 1460:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
1.362     schwarze 1461:                p->tcol->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1462:        else {
                   1463:                offset = a2width(p, n->norm->Bd.offs);
1.362     schwarze 1464:                if (offset < 0 && (size_t)(-offset) > p->tcol->offset)
                   1465:                        p->tcol->offset = 0;
1.302     schwarze 1466:                else if (offset < SHRT_MAX)
1.362     schwarze 1467:                        p->tcol->offset += offset;
1.302     schwarze 1468:        }
1.85      kristaps 1469:
1.372     schwarze 1470:        switch (n->norm->Bd.type) {
                   1471:        case DISP_literal:
1.356     schwarze 1472:                term_tab_set(p, NULL);
                   1473:                term_tab_set(p, "T");
                   1474:                term_tab_set(p, "8n");
1.372     schwarze 1475:                break;
                   1476:        case DISP_centered:
                   1477:                p->flags |= TERMP_CENTER;
                   1478:                break;
                   1479:        default:
                   1480:                break;
1.356     schwarze 1481:        }
1.372     schwarze 1482:        return 1;
1.1       kristaps 1483: }
                   1484:
                   1485: static void
                   1486: termp_bd_post(DECL_ARGS)
                   1487: {
1.314     schwarze 1488:        if (n->type != ROFFT_BODY)
1.1       kristaps 1489:                return;
1.372     schwarze 1490:        if (n->norm->Bd.type == DISP_unfilled ||
                   1491:            n->norm->Bd.type == DISP_literal)
1.361     schwarze 1492:                p->flags |= TERMP_BRNEVER;
1.60      kristaps 1493:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1494:        term_newln(p);
1.361     schwarze 1495:        p->flags &= ~TERMP_BRNEVER;
1.372     schwarze 1496:        if (n->norm->Bd.type == DISP_centered)
                   1497:                p->flags &= ~TERMP_CENTER;
1.1       kristaps 1498: }
                   1499:
                   1500: static int
1.26      kristaps 1501: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1502: {
1.339     schwarze 1503:        if ((n->aux = p->flags & TERMP_PREKEEP) == 0)
                   1504:                p->flags |= TERMP_PREKEEP;
                   1505:        return 1;
                   1506: }
1.1       kristaps 1507:
1.339     schwarze 1508: static void
                   1509: termp_xx_post(DECL_ARGS)
                   1510: {
                   1511:        if (n->aux == 0)
                   1512:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.1       kristaps 1513: }
                   1514:
                   1515: static void
                   1516: termp_pf_post(DECL_ARGS)
                   1517: {
1.377     schwarze 1518:        if (n->next != NULL && (n->next->flags & NODE_LINE) == 0)
1.298     schwarze 1519:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1520: }
                   1521:
                   1522: static int
                   1523: termp_ss_pre(DECL_ARGS)
                   1524: {
1.86      kristaps 1525:        switch (n->type) {
1.314     schwarze 1526:        case ROFFT_BLOCK:
1.377     schwarze 1527:                if (roff_node_prev(n) == NULL)
                   1528:                        term_newln(p);
                   1529:                else
1.1       kristaps 1530:                        term_vspace(p);
                   1531:                break;
1.314     schwarze 1532:        case ROFFT_HEAD:
1.102     kristaps 1533:                term_fontpush(p, TERMFONT_BOLD);
1.362     schwarze 1534:                p->tcol->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1535:                break;
1.314     schwarze 1536:        case ROFFT_BODY:
1.362     schwarze 1537:                p->tcol->offset = term_len(p, p->defindent);
1.356     schwarze 1538:                term_tab_set(p, NULL);
                   1539:                term_tab_set(p, "T");
                   1540:                term_tab_set(p, ".5i");
1.274     schwarze 1541:                break;
1.1       kristaps 1542:        default:
                   1543:                break;
                   1544:        }
1.328     schwarze 1545:        return 1;
1.1       kristaps 1546: }
                   1547:
                   1548: static void
                   1549: termp_ss_post(DECL_ARGS)
                   1550: {
1.314     schwarze 1551:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1552:                term_newln(p);
                   1553: }
                   1554:
                   1555: static int
                   1556: termp_cd_pre(DECL_ARGS)
                   1557: {
                   1558:
1.143     kristaps 1559:        synopsis_pre(p, n);
1.102     kristaps 1560:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1561:        return 1;
1.1       kristaps 1562: }
                   1563:
                   1564: static int
                   1565: termp_in_pre(DECL_ARGS)
                   1566: {
1.142     schwarze 1567:
1.143     kristaps 1568:        synopsis_pre(p, n);
1.1       kristaps 1569:
1.338     schwarze 1570:        if (NODE_SYNPRETTY & n->flags && NODE_LINE & n->flags) {
1.138     kristaps 1571:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1572:                term_word(p, "#include");
1.138     kristaps 1573:                term_word(p, "<");
                   1574:        } else {
                   1575:                term_word(p, "<");
                   1576:                term_fontpush(p, TERMFONT_UNDER);
                   1577:        }
1.22      kristaps 1578:
1.1       kristaps 1579:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1580:        return 1;
1.1       kristaps 1581: }
                   1582:
                   1583: static void
                   1584: termp_in_post(DECL_ARGS)
                   1585: {
                   1586:
1.338     schwarze 1587:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1588:                term_fontpush(p, TERMFONT_BOLD);
                   1589:
1.79      kristaps 1590:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1591:        term_word(p, ">");
                   1592:
1.338     schwarze 1593:        if (NODE_SYNPRETTY & n->flags)
1.138     kristaps 1594:                term_fontpop(p);
1.1       kristaps 1595: }
                   1596:
                   1597: static int
1.355     schwarze 1598: termp_pp_pre(DECL_ARGS)
1.45      kristaps 1599: {
1.376     schwarze 1600:        fn_prio = TAG_STRONG;
1.355     schwarze 1601:        term_vspace(p);
1.328     schwarze 1602:        return 0;
1.45      kristaps 1603: }
                   1604:
                   1605: static int
1.294     schwarze 1606: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1607: {
                   1608:
1.328     schwarze 1609:        return 0;
1.268     schwarze 1610: }
                   1611:
                   1612: static int
1.188     kristaps 1613: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1614: {
                   1615:
1.314     schwarze 1616:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1617:                return 1;
1.1       kristaps 1618:
1.188     kristaps 1619:        switch (n->tok) {
1.264     schwarze 1620:        case MDOC_Ao:
                   1621:        case MDOC_Aq:
1.331     schwarze 1622:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1623:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1624:                break;
1.264     schwarze 1625:        case MDOC_Bro:
                   1626:        case MDOC_Brq:
1.188     kristaps 1627:                term_word(p, "{");
                   1628:                break;
1.264     schwarze 1629:        case MDOC_Oo:
                   1630:        case MDOC_Op:
                   1631:        case MDOC_Bo:
                   1632:        case MDOC_Bq:
1.188     kristaps 1633:                term_word(p, "[");
                   1634:                break;
1.346     schwarze 1635:        case MDOC__T:
                   1636:                /* FALLTHROUGH */
1.264     schwarze 1637:        case MDOC_Do:
                   1638:        case MDOC_Dq:
1.366     schwarze 1639:                term_word(p, "\\(lq");
1.188     kristaps 1640:                break;
1.268     schwarze 1641:        case MDOC_En:
                   1642:                if (NULL == n->norm->Es ||
                   1643:                    NULL == n->norm->Es->child)
1.328     schwarze 1644:                        return 1;
1.268     schwarze 1645:                term_word(p, n->norm->Es->child->string);
                   1646:                break;
1.264     schwarze 1647:        case MDOC_Po:
                   1648:        case MDOC_Pq:
1.188     kristaps 1649:                term_word(p, "(");
                   1650:                break;
1.264     schwarze 1651:        case MDOC_Qo:
                   1652:        case MDOC_Qq:
1.188     kristaps 1653:                term_word(p, "\"");
                   1654:                break;
1.264     schwarze 1655:        case MDOC_Ql:
                   1656:        case MDOC_So:
                   1657:        case MDOC_Sq:
1.249     schwarze 1658:                term_word(p, "\\(oq");
1.188     kristaps 1659:                break;
                   1660:        default:
                   1661:                abort();
                   1662:        }
1.1       kristaps 1663:
                   1664:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1665:        return 1;
1.1       kristaps 1666: }
                   1667:
                   1668: static void
1.188     kristaps 1669: termp_quote_post(DECL_ARGS)
1.1       kristaps 1670: {
                   1671:
1.314     schwarze 1672:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1673:                return;
                   1674:
1.306     schwarze 1675:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1676:
1.188     kristaps 1677:        switch (n->tok) {
1.264     schwarze 1678:        case MDOC_Ao:
                   1679:        case MDOC_Aq:
1.331     schwarze 1680:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1681:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1682:                break;
1.264     schwarze 1683:        case MDOC_Bro:
                   1684:        case MDOC_Brq:
1.188     kristaps 1685:                term_word(p, "}");
                   1686:                break;
1.264     schwarze 1687:        case MDOC_Oo:
                   1688:        case MDOC_Op:
                   1689:        case MDOC_Bo:
                   1690:        case MDOC_Bq:
1.188     kristaps 1691:                term_word(p, "]");
                   1692:                break;
1.346     schwarze 1693:        case MDOC__T:
                   1694:                /* FALLTHROUGH */
1.264     schwarze 1695:        case MDOC_Do:
                   1696:        case MDOC_Dq:
1.366     schwarze 1697:                term_word(p, "\\(rq");
1.268     schwarze 1698:                break;
                   1699:        case MDOC_En:
1.306     schwarze 1700:                if (n->norm->Es == NULL ||
                   1701:                    n->norm->Es->child == NULL ||
                   1702:                    n->norm->Es->child->next == NULL)
                   1703:                        p->flags &= ~TERMP_NOSPACE;
                   1704:                else
1.268     schwarze 1705:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1706:                break;
1.264     schwarze 1707:        case MDOC_Po:
                   1708:        case MDOC_Pq:
1.188     kristaps 1709:                term_word(p, ")");
                   1710:                break;
1.264     schwarze 1711:        case MDOC_Qo:
                   1712:        case MDOC_Qq:
1.188     kristaps 1713:                term_word(p, "\"");
                   1714:                break;
1.264     schwarze 1715:        case MDOC_Ql:
                   1716:        case MDOC_So:
                   1717:        case MDOC_Sq:
1.249     schwarze 1718:                term_word(p, "\\(cq");
1.188     kristaps 1719:                break;
                   1720:        default:
                   1721:                abort();
                   1722:        }
1.306     schwarze 1723: }
                   1724:
                   1725: static int
                   1726: termp_eo_pre(DECL_ARGS)
                   1727: {
                   1728:
1.314     schwarze 1729:        if (n->type != ROFFT_BODY)
1.328     schwarze 1730:                return 1;
1.306     schwarze 1731:
                   1732:        if (n->end == ENDBODY_NOT &&
                   1733:            n->parent->head->child == NULL &&
                   1734:            n->child != NULL &&
                   1735:            n->child->end != ENDBODY_NOT)
                   1736:                term_word(p, "\\&");
                   1737:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1738:             n->parent->head->child != NULL && (n->child != NULL ||
                   1739:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1740:                p->flags |= TERMP_NOSPACE;
                   1741:
1.328     schwarze 1742:        return 1;
1.306     schwarze 1743: }
                   1744:
                   1745: static void
                   1746: termp_eo_post(DECL_ARGS)
                   1747: {
                   1748:        int      body, tail;
                   1749:
1.314     schwarze 1750:        if (n->type != ROFFT_BODY)
1.306     schwarze 1751:                return;
                   1752:
                   1753:        if (n->end != ENDBODY_NOT) {
                   1754:                p->flags &= ~TERMP_NOSPACE;
                   1755:                return;
                   1756:        }
                   1757:
                   1758:        body = n->child != NULL || n->parent->head->child != NULL;
                   1759:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1760:
                   1761:        if (body && tail)
                   1762:                p->flags |= TERMP_NOSPACE;
                   1763:        else if ( ! (body || tail))
                   1764:                term_word(p, "\\&");
                   1765:        else if ( ! tail)
                   1766:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1767: }
                   1768:
                   1769: static int
                   1770: termp_fo_pre(DECL_ARGS)
                   1771: {
1.257     schwarze 1772:        size_t           rmargin = 0;
1.256     schwarze 1773:        int              pretty;
                   1774:
1.338     schwarze 1775:        pretty = NODE_SYNPRETTY & n->flags;
1.1       kristaps 1776:
1.314     schwarze 1777:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1778:                synopsis_pre(p, n);
1.328     schwarze 1779:                return 1;
1.314     schwarze 1780:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 1781:                if (pretty) {
1.362     schwarze 1782:                        rmargin = p->tcol->rmargin;
                   1783:                        p->tcol->rmargin = p->tcol->offset + term_len(p, 4);
1.263     schwarze 1784:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1785:                                        TERMP_HANG;
1.256     schwarze 1786:                }
1.33      kristaps 1787:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1788:                term_word(p, "(");
1.222     kristaps 1789:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 1790:                if (pretty) {
                   1791:                        term_flushln(p);
1.263     schwarze 1792:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1793:                                        TERMP_HANG);
1.360     schwarze 1794:                        p->flags |= TERMP_NOPAD;
1.362     schwarze 1795:                        p->tcol->offset = p->tcol->rmargin;
                   1796:                        p->tcol->rmargin = rmargin;
1.256     schwarze 1797:                }
1.328     schwarze 1798:                return 1;
1.256     schwarze 1799:        }
1.141     kristaps 1800:
1.169     kristaps 1801:        if (NULL == n->child)
1.328     schwarze 1802:                return 0;
1.169     kristaps 1803:
1.141     kristaps 1804:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1805:
1.141     kristaps 1806:        assert(n->child->string);
1.102     kristaps 1807:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1808:        term_word(p, n->child->string);
1.328     schwarze 1809:        return 0;
1.1       kristaps 1810: }
                   1811:
                   1812: static void
                   1813: termp_fo_post(DECL_ARGS)
                   1814: {
                   1815:
1.314     schwarze 1816:        if (n->type != ROFFT_BODY)
1.143     kristaps 1817:                return;
                   1818:
1.222     kristaps 1819:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 1820:        term_word(p, ")");
                   1821:
1.338     schwarze 1822:        if (NODE_SYNPRETTY & n->flags) {
1.222     kristaps 1823:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 1824:                term_word(p, ";");
1.256     schwarze 1825:                term_flushln(p);
1.222     kristaps 1826:        }
1.1       kristaps 1827: }
                   1828:
                   1829: static int
                   1830: termp_bf_pre(DECL_ARGS)
                   1831: {
                   1832:
1.314     schwarze 1833:        if (n->type == ROFFT_HEAD)
1.328     schwarze 1834:                return 0;
1.314     schwarze 1835:        else if (n->type != ROFFT_BODY)
1.328     schwarze 1836:                return 1;
1.1       kristaps 1837:
1.264     schwarze 1838:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 1839:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 1840:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 1841:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 1842:        else
1.102     kristaps 1843:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 1844:
1.328     schwarze 1845:        return 1;
1.1       kristaps 1846: }
                   1847:
                   1848: static int
                   1849: termp_sm_pre(DECL_ARGS)
                   1850: {
                   1851:
1.269     schwarze 1852:        if (NULL == n->child)
                   1853:                p->flags ^= TERMP_NONOSPACE;
                   1854:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 1855:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 1856:        else
1.1       kristaps 1857:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 1858:
                   1859:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   1860:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1861:
1.328     schwarze 1862:        return 0;
1.1       kristaps 1863: }
                   1864:
                   1865: static int
                   1866: termp_ap_pre(DECL_ARGS)
                   1867: {
                   1868:
                   1869:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 1870:        term_word(p, "'");
1.1       kristaps 1871:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1872:        return 1;
1.1       kristaps 1873: }
                   1874:
                   1875: static void
                   1876: termp____post(DECL_ARGS)
                   1877: {
1.377     schwarze 1878:        struct roff_node *nn;
1.184     kristaps 1879:
                   1880:        /*
                   1881:         * Handle lists of authors.  In general, print each followed by
                   1882:         * a comma.  Don't print the comma if there are only two
                   1883:         * authors.
                   1884:         */
1.377     schwarze 1885:        if (n->tok == MDOC__A &&
                   1886:            (nn = roff_node_next(n)) != NULL && nn->tok == MDOC__A &&
                   1887:            ((nn = roff_node_next(nn)) == NULL || nn->tok != MDOC__A) &&
                   1888:            ((nn = roff_node_prev(n)) == NULL || nn->tok != MDOC__A))
                   1889:                return;
1.1       kristaps 1890:
1.95      kristaps 1891:        /* TODO: %U. */
                   1892:
1.377     schwarze 1893:        if (n->parent == NULL || n->parent->tok != MDOC_Rs)
1.187     kristaps 1894:                return;
                   1895:
1.222     kristaps 1896:        p->flags |= TERMP_NOSPACE;
1.377     schwarze 1897:        if (roff_node_next(n) == NULL) {
1.186     kristaps 1898:                term_word(p, ".");
                   1899:                p->flags |= TERMP_SENTENCE;
                   1900:        } else
                   1901:                term_word(p, ",");
1.1       kristaps 1902: }
                   1903:
                   1904: static int
1.102     kristaps 1905: termp_li_pre(DECL_ARGS)
                   1906: {
                   1907:
1.335     schwarze 1908:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1909:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 1910:        return 1;
1.102     kristaps 1911: }
                   1912:
                   1913: static int
1.1       kristaps 1914: termp_lk_pre(DECL_ARGS)
                   1915: {
1.358     schwarze 1916:        const struct roff_node *link, *descr, *punct;
1.1       kristaps 1917:
1.349     schwarze 1918:        if ((link = n->child) == NULL)
1.328     schwarze 1919:                return 0;
1.181     kristaps 1920:
1.358     schwarze 1921:        /* Find beginning of trailing punctuation. */
                   1922:        punct = n->last;
                   1923:        while (punct != link && punct->flags & NODE_DELIMC)
                   1924:                punct = punct->prev;
                   1925:        punct = punct->next;
                   1926:
1.349     schwarze 1927:        /* Link text. */
1.358     schwarze 1928:        if ((descr = link->next) != NULL && descr != punct) {
1.240     schwarze 1929:                term_fontpush(p, TERMFONT_UNDER);
1.358     schwarze 1930:                while (descr != punct) {
                   1931:                        if (descr->flags & (NODE_DELIMC | NODE_DELIMO))
                   1932:                                p->flags |= TERMP_NOSPACE;
1.240     schwarze 1933:                        term_word(p, descr->string);
                   1934:                        descr = descr->next;
                   1935:                }
1.347     schwarze 1936:                term_fontpop(p);
1.240     schwarze 1937:                p->flags |= TERMP_NOSPACE;
                   1938:                term_word(p, ":");
                   1939:        }
1.1       kristaps 1940:
1.349     schwarze 1941:        /* Link target. */
1.102     kristaps 1942:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 1943:        term_word(p, link->string);
1.102     kristaps 1944:        term_fontpop(p);
1.348     schwarze 1945:
1.349     schwarze 1946:        /* Trailing punctuation. */
1.358     schwarze 1947:        while (punct != NULL) {
1.349     schwarze 1948:                p->flags |= TERMP_NOSPACE;
1.358     schwarze 1949:                term_word(p, punct->string);
                   1950:                punct = punct->next;
1.349     schwarze 1951:        }
1.328     schwarze 1952:        return 0;
1.1       kristaps 1953: }
                   1954:
1.159     schwarze 1955: static int
                   1956: termp_bk_pre(DECL_ARGS)
                   1957: {
                   1958:
1.161     schwarze 1959:        switch (n->type) {
1.314     schwarze 1960:        case ROFFT_BLOCK:
1.166     kristaps 1961:                break;
1.314     schwarze 1962:        case ROFFT_HEAD:
1.328     schwarze 1963:                return 0;
1.314     schwarze 1964:        case ROFFT_BODY:
1.331     schwarze 1965:                if (n->parent->args != NULL || n->prev->child == NULL)
1.200     schwarze 1966:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 1967:                break;
1.161     schwarze 1968:        default:
                   1969:                abort();
                   1970:        }
1.166     kristaps 1971:
1.328     schwarze 1972:        return 1;
1.159     schwarze 1973: }
                   1974:
                   1975: static void
                   1976: termp_bk_post(DECL_ARGS)
                   1977: {
                   1978:
1.314     schwarze 1979:        if (n->type == ROFFT_BODY)
1.161     schwarze 1980:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 1981: }
                   1982:
                   1983: static void
                   1984: termp__t_post(DECL_ARGS)
                   1985: {
                   1986:
                   1987:        /*
                   1988:         * If we're in an `Rs' and there's a journal present, then quote
                   1989:         * us instead of underlining us (for disambiguation).
                   1990:         */
1.217     schwarze 1991:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 1992:            n->parent->norm->Rs.quote_T)
1.245     schwarze 1993:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 1994:
1.245     schwarze 1995:        termp____post(p, pair, meta, n);
1.203     kristaps 1996: }
                   1997:
                   1998: static int
                   1999: termp__t_pre(DECL_ARGS)
                   2000: {
                   2001:
                   2002:        /*
                   2003:         * If we're in an `Rs' and there's a journal present, then quote
                   2004:         * us instead of underlining us (for disambiguation).
                   2005:         */
                   2006:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2007:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2008:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2009:
                   2010:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2011:        return 1;
1.159     schwarze 2012: }
1.1       kristaps 2013:
                   2014: static int
1.69      kristaps 2015: termp_under_pre(DECL_ARGS)
1.1       kristaps 2016: {
                   2017:
1.102     kristaps 2018:        term_fontpush(p, TERMFONT_UNDER);
1.334     schwarze 2019:        return 1;
                   2020: }
                   2021:
                   2022: static int
                   2023: termp_em_pre(DECL_ARGS)
                   2024: {
                   2025:        if (n->child != NULL &&
                   2026:            n->child->type == ROFFT_TEXT)
1.376     schwarze 2027:                tag_put(n->child->string, TAG_FALLBACK, p->line);
1.334     schwarze 2028:        term_fontpush(p, TERMFONT_UNDER);
                   2029:        return 1;
                   2030: }
                   2031:
                   2032: static int
                   2033: termp_sy_pre(DECL_ARGS)
                   2034: {
                   2035:        if (n->child != NULL &&
                   2036:            n->child->type == ROFFT_TEXT)
1.376     schwarze 2037:                tag_put(n->child->string, TAG_FALLBACK, p->line);
1.334     schwarze 2038:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 2039:        return 1;
1.323     schwarze 2040: }
                   2041:
                   2042: static int
                   2043: termp_er_pre(DECL_ARGS)
                   2044: {
                   2045:
                   2046:        if (n->sec == SEC_ERRORS &&
                   2047:            (n->parent->tok == MDOC_It ||
                   2048:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2049:              n->parent->parent->parent->tok == MDOC_It)))
1.376     schwarze 2050:                tag_put(n->child->string, TAG_STRONG, p->line);
1.328     schwarze 2051:        return 1;
1.320     schwarze 2052: }
                   2053:
                   2054: static int
                   2055: termp_tag_pre(DECL_ARGS)
                   2056: {
                   2057:
                   2058:        if (n->child != NULL &&
                   2059:            n->child->type == ROFFT_TEXT &&
1.333     schwarze 2060:            (n->prev == NULL ||
                   2061:             (n->prev->type == ROFFT_TEXT &&
                   2062:              strcmp(n->prev->string, "|") == 0)) &&
1.320     schwarze 2063:            (n->parent->tok == MDOC_It ||
                   2064:             (n->parent->tok == MDOC_Xo &&
                   2065:              n->parent->parent->prev == NULL &&
1.324     schwarze 2066:              n->parent->parent->parent->tok == MDOC_It)))
1.376     schwarze 2067:                tag_put(n->child->string, TAG_STRONG, p->line);
1.328     schwarze 2068:        return 1;
1.369     schwarze 2069: }
                   2070:
                   2071: static int
                   2072: termp_abort_pre(DECL_ARGS)
                   2073: {
                   2074:        abort();
1.84      kristaps 2075: }

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