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Annotation of mandoc/mdoc_term.c, Revision 1.315

1.315   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.314 2015/04/02 21:36:50 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.303     schwarze    4:  * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.314     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"
1.125     kristaps   32: #include "mandoc.h"
1.314     schwarze   33: #include "roff.h"
                     34: #include "mdoc.h"
1.92      kristaps   35: #include "out.h"
1.1       kristaps   36: #include "term.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, \
1.264     schwarze   46:                  const struct mdoc_meta *meta, \
1.315   ! schwarze   47:                  struct roff_node *n
1.1       kristaps   48:
                     49: struct termact {
                     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 *,
1.315   ! schwarze   57:                        const struct roff_node *,
        !            58:                        const struct roff_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.315   ! schwarze   64:                        const struct roff_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   71: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   72: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   73: static void      termp_fo_post(DECL_ARGS);
                     74: static void      termp_in_post(DECL_ARGS);
                     75: static void      termp_it_post(DECL_ARGS);
                     76: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   77: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   78: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   79: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   80: static void      termp_sh_post(DECL_ARGS);
                     81: static void      termp_ss_post(DECL_ARGS);
                     82:
1.184     kristaps   83: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   84: static int       termp__t_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_bt_pre(DECL_ARGS);
1.211     kristaps   93: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   94: static int       termp_cd_pre(DECL_ARGS);
                     95: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   96: static int       termp_eo_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);
1.260     schwarze  107: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  108: static int       termp_lk_pre(DECL_ARGS);
                    109: static int       termp_nd_pre(DECL_ARGS);
                    110: static int       termp_nm_pre(DECL_ARGS);
                    111: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  112: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  113: static int       termp_rs_pre(DECL_ARGS);
                    114: static int       termp_rv_pre(DECL_ARGS);
                    115: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  116: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  118: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  120: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  122: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  123: static int       termp_xr_pre(DECL_ARGS);
                    124: static int       termp_xx_pre(DECL_ARGS);
                    125:
1.70      kristaps  126: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  127:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  128:        { NULL, NULL }, /* Dd */
                    129:        { NULL, NULL }, /* Dt */
                    130:        { NULL, NULL }, /* Os */
                    131:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  132:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    133:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  134:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    135:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  136:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    137:        { NULL, NULL }, /* Ed */
1.115     kristaps  138:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  139:        { NULL, NULL }, /* El */
                    140:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  141:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  142:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  143:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  144:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  145:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  146:        { NULL, NULL }, /* Dv */
                    147:        { NULL, NULL }, /* Er */
                    148:        { NULL, NULL }, /* Ev */
1.1       kristaps  149:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  150:        { termp_fa_pre, NULL }, /* Fa */
                    151:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  152:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  153:        { termp_fn_pre, NULL }, /* Fn */
                    154:        { termp_ft_pre, NULL }, /* Ft */
                    155:        { termp_bold_pre, NULL }, /* Ic */
                    156:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  157:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  158:        { termp_nd_pre, NULL }, /* Nd */
                    159:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  160:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  161:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  162:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  163:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  164:        { NULL, NULL }, /* St */
1.69      kristaps  165:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  166:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  167:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  168:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  170:        { NULL, termp____post }, /* %D */
1.84      kristaps  171:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  172:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  173:        { NULL, termp____post }, /* %N */
                    174:        { NULL, termp____post }, /* %O */
                    175:        { NULL, termp____post }, /* %P */
                    176:        { NULL, termp____post }, /* %R */
1.203     kristaps  177:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  178:        { NULL, termp____post }, /* %V */
                    179:        { NULL, NULL }, /* Ac */
1.188     kristaps  180:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    181:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  182:        { NULL, NULL }, /* At */
1.1       kristaps  183:        { NULL, NULL }, /* Bc */
1.264     schwarze  184:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  185:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    186:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  187:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  188:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  189:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  190:        { NULL, NULL }, /* Dc */
1.188     kristaps  191:        { termp_quote_pre, termp_quote_post }, /* Do */
                    192:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  193:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  194:        { NULL, NULL }, /* Ef */
1.264     schwarze  195:        { termp_under_pre, NULL }, /* Em */
1.306     schwarze  196:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  197:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  198:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  199:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  200:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Nx */
                    202:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  203:        { NULL, NULL }, /* Pc */
1.254     schwarze  204:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  205:        { termp_quote_pre, termp_quote_post }, /* Po */
                    206:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  207:        { NULL, NULL }, /* Qc */
1.188     kristaps  208:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    209:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    210:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  211:        { NULL, NULL }, /* Re */
                    212:        { termp_rs_pre, NULL }, /* Rs */
                    213:        { NULL, NULL }, /* Sc */
1.188     kristaps  214:        { termp_quote_pre, termp_quote_post }, /* So */
                    215:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  216:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  217:        { termp_under_pre, NULL }, /* Sx */
                    218:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  219:        { NULL, NULL }, /* Tn */
1.26      kristaps  220:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  221:        { NULL, NULL }, /* Xc */
                    222:        { NULL, NULL }, /* Xo */
1.264     schwarze  223:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    224:        { NULL, NULL }, /* Fc */
1.188     kristaps  225:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  226:        { NULL, NULL }, /* Oc */
1.159     schwarze  227:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  228:        { NULL, NULL }, /* Ek */
                    229:        { termp_bt_pre, NULL }, /* Bt */
                    230:        { NULL, NULL }, /* Hf */
1.268     schwarze  231:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  232:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  233:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  234:        { termp_sp_pre, NULL }, /* Lp */
                    235:        { termp_lk_pre, NULL }, /* Lk */
                    236:        { termp_under_pre, NULL }, /* Mt */
                    237:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    238:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    239:        { NULL, NULL }, /* Brc */
                    240:        { NULL, termp____post }, /* %C */
1.294     schwarze  241:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  242:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  243:        { termp_xx_pre, NULL }, /* Dx */
                    244:        { NULL, termp____post }, /* %Q */
1.76      kristaps  245:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  246:        { termp_sp_pre, NULL }, /* sp */
                    247:        { NULL, termp____post }, /* %U */
                    248:        { NULL, NULL }, /* Ta */
1.260     schwarze  249:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  250: };
                    251:
                    252:
1.70      kristaps  253: void
1.89      kristaps  254: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  255: {
1.245     schwarze  256:        const struct mdoc_meta  *meta;
1.315   ! schwarze  257:        struct roff_node        *n;
1.89      kristaps  258:        struct termp            *p;
                    259:
                    260:        p = (struct termp *)arg;
1.111     kristaps  261:
                    262:        p->overstep = 0;
1.281     schwarze  263:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  264:        p->tabwidth = term_len(p, 5);
1.70      kristaps  265:
1.281     schwarze  266:        n = mdoc_node(mdoc)->child;
1.245     schwarze  267:        meta = mdoc_meta(mdoc);
1.146     schwarze  268:
1.281     schwarze  269:        if (p->synopsisonly) {
                    270:                while (n != NULL) {
                    271:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    272:                                if (n->child->next->child != NULL)
                    273:                                        print_mdoc_nodelist(p, NULL,
                    274:                                            meta, n->child->next->child);
                    275:                                term_newln(p);
                    276:                                break;
                    277:                        }
                    278:                        n = n->next;
                    279:                }
                    280:        } else {
                    281:                if (p->defindent == 0)
                    282:                        p->defindent = 5;
                    283:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    284:                if (n != NULL) {
                    285:                        if (n->tok != MDOC_Sh)
                    286:                                term_vspace(p);
                    287:                        print_mdoc_nodelist(p, NULL, meta, n);
                    288:                }
                    289:                term_end(p);
1.271     schwarze  290:        }
1.1       kristaps  291: }
                    292:
1.3       kristaps  293: static void
1.102     kristaps  294: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  295: {
                    296:
1.304     schwarze  297:        while (n != NULL) {
                    298:                print_mdoc_node(p, pair, meta, n);
                    299:                n = n->next;
                    300:        }
1.1       kristaps  301: }
                    302:
1.3       kristaps  303: static void
1.102     kristaps  304: print_mdoc_node(DECL_ARGS)
1.1       kristaps  305: {
1.102     kristaps  306:        int              chld;
1.1       kristaps  307:        struct termpair  npair;
1.30      kristaps  308:        size_t           offset, rmargin;
1.1       kristaps  309:
1.70      kristaps  310:        chld = 1;
1.29      kristaps  311:        offset = p->offset;
1.30      kristaps  312:        rmargin = p->rmargin;
1.310     schwarze  313:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  314:        n->prev_font = p->fonti;
1.29      kristaps  315:
1.97      kristaps  316:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  317:        npair.ppair = pair;
1.172     kristaps  318:
                    319:        /*
                    320:         * Keeps only work until the end of a line.  If a keep was
                    321:         * invoked in a prior line, revert it to PREKEEP.
                    322:         */
                    323:
1.307     schwarze  324:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    325:                p->flags &= ~TERMP_KEEP;
                    326:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  327:        }
1.197     schwarze  328:
                    329:        /*
1.217     schwarze  330:         * After the keep flags have been set up, we may now
                    331:         * produce output.  Note that some pre-handlers do so.
                    332:         */
                    333:
                    334:        switch (n->type) {
1.314     schwarze  335:        case ROFFT_TEXT:
1.217     schwarze  336:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    337:                        term_newln(p);
1.222     kristaps  338:                if (MDOC_DELIMC & n->flags)
                    339:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  340:                term_word(p, n->string);
1.222     kristaps  341:                if (MDOC_DELIMO & n->flags)
                    342:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  343:                break;
1.314     schwarze  344:        case ROFFT_EQN:
1.284     schwarze  345:                if ( ! (n->flags & MDOC_LINE))
                    346:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  347:                term_eqn(p, n->eqn);
1.286     schwarze  348:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  349:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  350:                break;
1.314     schwarze  351:        case ROFFT_TBL:
1.313     schwarze  352:                if (p->tbl.cols == NULL)
                    353:                        term_newln(p);
1.217     schwarze  354:                term_tbl(p, n->span);
                    355:                break;
                    356:        default:
1.295     schwarze  357:                if (termacts[n->tok].pre &&
                    358:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  359:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  360:                                (p, &npair, meta, n);
1.217     schwarze  361:                break;
                    362:        }
                    363:
1.86      kristaps  364:        if (chld && n->child)
1.245     schwarze  365:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  366:
1.244     schwarze  367:        term_fontpopq(p,
1.310     schwarze  368:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  369:
1.206     kristaps  370:        switch (n->type) {
1.314     schwarze  371:        case ROFFT_TEXT:
1.206     kristaps  372:                break;
1.314     schwarze  373:        case ROFFT_TBL:
1.216     kristaps  374:                break;
1.314     schwarze  375:        case ROFFT_EQN:
1.206     kristaps  376:                break;
                    377:        default:
                    378:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    379:                        break;
1.245     schwarze  380:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  381:
                    382:                /*
                    383:                 * Explicit end tokens not only call the post
                    384:                 * handler, but also tell the respective block
                    385:                 * that it must not call the post handler again.
                    386:                 */
1.165     kristaps  387:                if (ENDBODY_NOT != n->end)
1.310     schwarze  388:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  389:
                    390:                /*
                    391:                 * End of line terminating an implicit block
                    392:                 * while an explicit block is still open.
                    393:                 * Continue the explicit block without spacing.
                    394:                 */
                    395:                if (ENDBODY_NOSPACE == n->end)
                    396:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  397:                break;
1.162     schwarze  398:        }
1.121     kristaps  399:
                    400:        if (MDOC_EOS & n->flags)
                    401:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  402:
1.260     schwarze  403:        if (MDOC_ll != n->tok) {
                    404:                p->offset = offset;
                    405:                p->rmargin = rmargin;
                    406:        }
1.1       kristaps  407: }
                    408:
1.3       kristaps  409: static void
1.145     kristaps  410: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  411: {
1.245     schwarze  412:        const struct mdoc_meta *meta;
1.292     schwarze  413:        size_t sz;
1.144     kristaps  414:
1.245     schwarze  415:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  416:
1.102     kristaps  417:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  418:
1.264     schwarze  419:        /*
1.9       kristaps  420:         * Output the footer in new-groff style, that is, three columns
                    421:         * with the middle being the manual date and flanking columns
                    422:         * being the operating system:
                    423:         *
                    424:         * SYSTEM                  DATE                    SYSTEM
                    425:         */
                    426:
1.1       kristaps  427:        term_vspace(p);
                    428:
1.9       kristaps  429:        p->offset = 0;
1.292     schwarze  430:        sz = term_strlen(p, meta->date);
                    431:        p->rmargin = p->maxrmargin > sz ?
                    432:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  433:        p->trailspace = 1;
1.1       kristaps  434:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    435:
1.245     schwarze  436:        term_word(p, meta->os);
1.1       kristaps  437:        term_flushln(p);
                    438:
1.9       kristaps  439:        p->offset = p->rmargin;
1.292     schwarze  440:        sz = term_strlen(p, meta->os);
                    441:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  442:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  443:
1.245     schwarze  444:        term_word(p, meta->date);
1.9       kristaps  445:        term_flushln(p);
                    446:
1.1       kristaps  447:        p->offset = p->rmargin;
                    448:        p->rmargin = p->maxrmargin;
1.250     schwarze  449:        p->trailspace = 0;
1.1       kristaps  450:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  451:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  452:
1.245     schwarze  453:        term_word(p, meta->os);
1.1       kristaps  454:        term_flushln(p);
                    455:
1.9       kristaps  456:        p->offset = 0;
                    457:        p->rmargin = p->maxrmargin;
                    458:        p->flags = 0;
1.1       kristaps  459: }
                    460:
1.3       kristaps  461: static void
1.144     kristaps  462: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  463: {
1.266     schwarze  464:        const struct mdoc_meta  *meta;
1.267     schwarze  465:        char                    *volume, *title;
                    466:        size_t                   vollen, titlen;
1.144     kristaps  467:
1.245     schwarze  468:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  469:
                    470:        /*
                    471:         * The header is strange.  It has three components, which are
                    472:         * really two with the first duplicated.  It goes like this:
                    473:         *
                    474:         * IDENTIFIER              TITLE                   IDENTIFIER
                    475:         *
                    476:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    477:         * (if given, or "unknown" if not) followed by the manual page
                    478:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    479:         * string depending on the manual volume.  If not specified, it
                    480:         * switches on the manual section.
                    481:         */
1.235     schwarze  482:
1.245     schwarze  483:        assert(meta->vol);
1.267     schwarze  484:        if (NULL == meta->arch)
                    485:                volume = mandoc_strdup(meta->vol);
                    486:        else
                    487:                mandoc_asprintf(&volume, "%s (%s)",
                    488:                    meta->vol, meta->arch);
                    489:        vollen = term_strlen(p, volume);
1.1       kristaps  490:
1.275     schwarze  491:        if (NULL == meta->msec)
                    492:                title = mandoc_strdup(meta->title);
                    493:        else
                    494:                mandoc_asprintf(&title, "%s(%s)",
                    495:                    meta->title, meta->msec);
1.235     schwarze  496:        titlen = term_strlen(p, title);
1.1       kristaps  497:
1.235     schwarze  498:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  499:        p->trailspace = 1;
1.1       kristaps  500:        p->offset = 0;
1.267     schwarze  501:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    502:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  503:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  504:
                    505:        term_word(p, title);
                    506:        term_flushln(p);
                    507:
1.235     schwarze  508:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  509:        p->offset = p->rmargin;
1.267     schwarze  510:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  511:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  512:
1.267     schwarze  513:        term_word(p, volume);
1.1       kristaps  514:        term_flushln(p);
                    515:
                    516:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  517:        p->trailspace = 0;
1.235     schwarze  518:        if (p->rmargin + titlen <= p->maxrmargin) {
                    519:                p->flags |= TERMP_NOSPACE;
                    520:                p->offset = p->rmargin;
                    521:                p->rmargin = p->maxrmargin;
                    522:                term_word(p, title);
                    523:                term_flushln(p);
                    524:        }
1.1       kristaps  525:
1.235     schwarze  526:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  527:        p->offset = 0;
1.1       kristaps  528:        p->rmargin = p->maxrmargin;
1.266     schwarze  529:        free(title);
1.267     schwarze  530:        free(volume);
1.1       kristaps  531: }
                    532:
1.302     schwarze  533: static int
1.157     kristaps  534: a2width(const struct termp *p, const char *v)
1.91      kristaps  535: {
1.92      kristaps  536:        struct roffsu    su;
1.1       kristaps  537:
1.300     schwarze  538:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  539:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  540:                su.scale /= term_strlen(p, "0");
1.302     schwarze  541:        }
1.157     kristaps  542:        return(term_hspan(p, &su));
1.1       kristaps  543: }
                    544:
1.108     kristaps  545: /*
                    546:  * Determine how much space to print out before block elements of `It'
                    547:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    548:  * too.
                    549:  */
1.54      kristaps  550: static void
1.264     schwarze  551: print_bvspace(struct termp *p,
1.315   ! schwarze  552:        const struct roff_node *bl,
        !           553:        const struct roff_node *n)
1.1       kristaps  554: {
1.315   ! schwarze  555:        const struct roff_node  *nn;
1.236     schwarze  556:
                    557:        assert(n);
1.1       kristaps  558:
                    559:        term_newln(p);
1.150     kristaps  560:
1.202     kristaps  561:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  562:                return;
1.202     kristaps  563:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  564:                return;
                    565:
1.85      kristaps  566:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  567:
1.289     schwarze  568:        nn = n;
                    569:        while (nn->prev == NULL) {
                    570:                do {
                    571:                        nn = nn->parent;
1.314     schwarze  572:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  573:                                return;
1.314     schwarze  574:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  575:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  576:                        return;
1.289     schwarze  577:                if (nn->tok == MDOC_It &&
                    578:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    579:                        break;
1.1       kristaps  580:        }
                    581:
1.85      kristaps  582:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  583:
1.202     kristaps  584:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  585:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  586:                        return;
                    587:
1.85      kristaps  588:        /* A `-diag' without body does not vspace. */
                    589:
1.202     kristaps  590:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  591:                if (n->prev && MDOC_It == n->prev->tok) {
                    592:                        assert(n->prev->body);
                    593:                        if (NULL == n->prev->body->child)
1.55      kristaps  594:                                return;
                    595:                }
                    596:
1.54      kristaps  597:        term_vspace(p);
1.260     schwarze  598: }
                    599:
                    600:
                    601: static int
                    602: termp_ll_pre(DECL_ARGS)
                    603: {
                    604:
1.261     schwarze  605:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  606:        return(0);
1.1       kristaps  607: }
                    608:
                    609: static int
                    610: termp_it_pre(DECL_ARGS)
                    611: {
1.302     schwarze  612:        char                    buf[24];
1.315   ! schwarze  613:        const struct roff_node *bl, *nn;
1.302     schwarze  614:        size_t                  ncols, dcol;
                    615:        int                     i, offset, width;
1.126     kristaps  616:        enum mdoc_list          type;
1.1       kristaps  617:
1.314     schwarze  618:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  619:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  620:                return(1);
                    621:        }
1.1       kristaps  622:
1.86      kristaps  623:        bl = n->parent->parent->parent;
1.202     kristaps  624:        type = bl->norm->Bl.type;
1.1       kristaps  625:
1.264     schwarze  626:        /*
1.302     schwarze  627:         * Defaults for specific list types.
                    628:         */
                    629:
                    630:        switch (type) {
                    631:        case LIST_bullet:
                    632:                /* FALLTHROUGH */
                    633:        case LIST_dash:
                    634:                /* FALLTHROUGH */
                    635:        case LIST_hyphen:
                    636:                /* FALLTHROUGH */
                    637:        case LIST_enum:
                    638:                width = term_len(p, 2);
                    639:                break;
                    640:        case LIST_hang:
                    641:                width = term_len(p, 8);
                    642:                break;
                    643:        case LIST_column:
                    644:                /* FALLTHROUGH */
                    645:        case LIST_tag:
                    646:                width = term_len(p, 10);
                    647:                break;
                    648:        default:
                    649:                width = 0;
                    650:                break;
                    651:        }
                    652:        offset = 0;
                    653:
                    654:        /*
1.108     kristaps  655:         * First calculate width and offset.  This is pretty easy unless
                    656:         * we're a -column list, in which case all prior columns must
                    657:         * be accounted for.
                    658:         */
                    659:
1.302     schwarze  660:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  661:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  662:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    663:                        offset = -p->offset;
                    664:                else if (offset > SHRT_MAX)
                    665:                        offset = 0;
                    666:        }
1.152     kristaps  667:
1.1       kristaps  668:        switch (type) {
1.264     schwarze  669:        case LIST_column:
1.314     schwarze  670:                if (n->type == ROFFT_HEAD)
1.1       kristaps  671:                        break;
1.155     kristaps  672:
1.105     kristaps  673:                /*
1.108     kristaps  674:                 * Imitate groff's column handling:
                    675:                 * - For each earlier column, add its width.
                    676:                 * - For less than 5 columns, add four more blanks per
                    677:                 *   column.
                    678:                 * - For exactly 5 columns, add three more blank per
                    679:                 *   column.
                    680:                 * - For more than 5 columns, add only one column.
1.105     kristaps  681:                 */
1.202     kristaps  682:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  683:                dcol = ncols < 5 ? term_len(p, 4) :
                    684:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  685:
1.134     kristaps  686:                /*
1.314     schwarze  687:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    688:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  689:                 */
                    690:
1.264     schwarze  691:                for (i = 0, nn = n->prev;
                    692:                    nn->prev && i < (int)ncols;
                    693:                    nn = nn->prev, i++)
                    694:                        offset += dcol + a2width(p,
                    695:                            bl->norm->Bl.cols[i]);
1.105     kristaps  696:
                    697:                /*
1.108     kristaps  698:                 * When exceeding the declared number of columns, leave
                    699:                 * the remaining widths at 0.  This will later be
                    700:                 * adjusted to the default width of 10, or, for the last
                    701:                 * column, stretched to the right margin.
1.58      kristaps  702:                 */
1.108     kristaps  703:                if (i >= (int)ncols)
                    704:                        break;
1.58      kristaps  705:
1.105     kristaps  706:                /*
1.108     kristaps  707:                 * Use the declared column widths, extended as explained
                    708:                 * in the preceding paragraph.
1.105     kristaps  709:                 */
1.202     kristaps  710:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  711:                break;
                    712:        default:
1.202     kristaps  713:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  714:                        break;
                    715:
1.264     schwarze  716:                /*
1.108     kristaps  717:                 * Note: buffer the width by 2, which is groff's magic
                    718:                 * number for buffering single arguments.  See the above
                    719:                 * handling for column for how this changes.
                    720:                 */
1.202     kristaps  721:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  722:                if (width < 0 && (size_t)(-width) > p->offset)
                    723:                        width = -p->offset;
                    724:                else if (width > SHRT_MAX)
                    725:                        width = 0;
1.1       kristaps  726:                break;
                    727:        }
                    728:
1.264     schwarze  729:        /*
1.17      kristaps  730:         * Whitespace control.  Inset bodies need an initial space,
                    731:         * while diagonal bodies need two.
1.1       kristaps  732:         */
                    733:
1.51      kristaps  734:        p->flags |= TERMP_NOSPACE;
                    735:
1.1       kristaps  736:        switch (type) {
1.264     schwarze  737:        case LIST_diag:
1.314     schwarze  738:                if (n->type == ROFFT_BODY)
1.62      kristaps  739:                        term_word(p, "\\ \\ ");
1.51      kristaps  740:                break;
1.264     schwarze  741:        case LIST_inset:
1.314     schwarze  742:                if (n->type == ROFFT_BODY && n->parent->head->nchild)
1.51      kristaps  743:                        term_word(p, "\\ ");
1.1       kristaps  744:                break;
                    745:        default:
                    746:                break;
                    747:        }
                    748:
1.51      kristaps  749:        p->flags |= TERMP_NOSPACE;
                    750:
1.1       kristaps  751:        switch (type) {
1.264     schwarze  752:        case LIST_diag:
1.314     schwarze  753:                if (n->type == ROFFT_HEAD)
1.102     kristaps  754:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  755:                break;
                    756:        default:
                    757:                break;
                    758:        }
                    759:
                    760:        /*
1.109     kristaps  761:         * Pad and break control.  This is the tricky part.  These flags
                    762:         * are documented in term_flushln() in term.c.  Note that we're
                    763:         * going to unset all of these flags in termp_it_post() when we
                    764:         * exit.
1.1       kristaps  765:         */
                    766:
                    767:        switch (type) {
1.264     schwarze  768:        case LIST_enum:
1.242     schwarze  769:                /*
                    770:                 * Weird special case.
1.302     schwarze  771:                 * Some very narrow lists actually hang.
1.242     schwarze  772:                 */
                    773:                /* FALLTHROUGH */
1.264     schwarze  774:        case LIST_bullet:
1.1       kristaps  775:                /* FALLTHROUGH */
1.264     schwarze  776:        case LIST_dash:
1.1       kristaps  777:                /* FALLTHROUGH */
1.264     schwarze  778:        case LIST_hyphen:
1.302     schwarze  779:                if (width <= (int)term_len(p, 2))
                    780:                        p->flags |= TERMP_HANG;
1.314     schwarze  781:                if (n->type != ROFFT_HEAD)
1.250     schwarze  782:                        break;
                    783:                p->flags |= TERMP_NOBREAK;
                    784:                p->trailspace = 1;
1.39      kristaps  785:                break;
1.264     schwarze  786:        case LIST_hang:
1.314     schwarze  787:                if (n->type != ROFFT_HEAD)
1.59      kristaps  788:                        break;
                    789:
                    790:                /*
                    791:                 * This is ugly.  If `-hang' is specified and the body
                    792:                 * is a `Bl' or `Bd', then we want basically to nullify
                    793:                 * the "overstep" effect in term_flushln() and treat
                    794:                 * this as a `-ohang' list instead.
                    795:                 */
1.279     schwarze  796:                if (NULL != n->next &&
1.278     schwarze  797:                    NULL != n->next->child &&
                    798:                    (MDOC_Bl == n->next->child->tok ||
                    799:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  800:                        break;
                    801:
1.263     schwarze  802:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  803:                p->trailspace = 1;
1.39      kristaps  804:                break;
1.264     schwarze  805:        case LIST_tag:
1.314     schwarze  806:                if (n->type != ROFFT_HEAD)
1.39      kristaps  807:                        break;
1.250     schwarze  808:
1.263     schwarze  809:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  810:                p->trailspace = 2;
                    811:
1.86      kristaps  812:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  813:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  814:                break;
1.264     schwarze  815:        case LIST_column:
1.314     schwarze  816:                if (n->type == ROFFT_HEAD)
1.134     kristaps  817:                        break;
                    818:
1.250     schwarze  819:                if (NULL == n->next) {
1.134     kristaps  820:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  821:                        p->trailspace = 0;
                    822:                } else {
1.134     kristaps  823:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  824:                        p->trailspace = 1;
                    825:                }
1.134     kristaps  826:
1.1       kristaps  827:                break;
1.264     schwarze  828:        case LIST_diag:
1.314     schwarze  829:                if (n->type != ROFFT_HEAD)
1.250     schwarze  830:                        break;
1.263     schwarze  831:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  832:                p->trailspace = 1;
1.1       kristaps  833:                break;
                    834:        default:
                    835:                break;
                    836:        }
                    837:
1.264     schwarze  838:        /*
1.1       kristaps  839:         * Margin control.  Set-head-width lists have their right
                    840:         * margins shortened.  The body for these lists has the offset
                    841:         * necessarily lengthened.  Everybody gets the offset.
                    842:         */
                    843:
                    844:        p->offset += offset;
                    845:
                    846:        switch (type) {
1.264     schwarze  847:        case LIST_hang:
1.59      kristaps  848:                /*
                    849:                 * Same stipulation as above, regarding `-hang'.  We
                    850:                 * don't want to recalculate rmargin and offsets when
                    851:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    852:                 */
1.314     schwarze  853:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  854:                    NULL != n->next &&
1.278     schwarze  855:                    NULL != n->next->child &&
                    856:                    (MDOC_Bl == n->next->child->tok ||
                    857:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  858:                        break;
                    859:                /* FALLTHROUGH */
1.264     schwarze  860:        case LIST_bullet:
1.1       kristaps  861:                /* FALLTHROUGH */
1.264     schwarze  862:        case LIST_dash:
1.1       kristaps  863:                /* FALLTHROUGH */
1.264     schwarze  864:        case LIST_enum:
1.1       kristaps  865:                /* FALLTHROUGH */
1.264     schwarze  866:        case LIST_hyphen:
1.1       kristaps  867:                /* FALLTHROUGH */
1.264     schwarze  868:        case LIST_tag:
1.314     schwarze  869:                if (n->type == ROFFT_HEAD)
1.1       kristaps  870:                        p->rmargin = p->offset + width;
1.292     schwarze  871:                else
1.1       kristaps  872:                        p->offset += width;
                    873:                break;
1.264     schwarze  874:        case LIST_column:
1.49      kristaps  875:                assert(width);
1.1       kristaps  876:                p->rmargin = p->offset + width;
1.264     schwarze  877:                /*
1.50      kristaps  878:                 * XXX - this behaviour is not documented: the
                    879:                 * right-most column is filled to the right margin.
                    880:                 */
1.314     schwarze  881:                if (n->type == ROFFT_HEAD)
1.134     kristaps  882:                        break;
                    883:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  884:                        p->rmargin = p->maxrmargin;
1.1       kristaps  885:                break;
                    886:        default:
                    887:                break;
                    888:        }
                    889:
1.264     schwarze  890:        /*
1.1       kristaps  891:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  892:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  893:         */
                    894:
1.314     schwarze  895:        if (n->type == ROFFT_HEAD)
1.1       kristaps  896:                switch (type) {
1.264     schwarze  897:                case LIST_bullet:
1.102     kristaps  898:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  899:                        term_word(p, "\\[bu]");
1.102     kristaps  900:                        term_fontpop(p);
1.1       kristaps  901:                        break;
1.264     schwarze  902:                case LIST_dash:
1.1       kristaps  903:                        /* FALLTHROUGH */
1.264     schwarze  904:                case LIST_hyphen:
1.102     kristaps  905:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  906:                        term_word(p, "\\(hy");
1.102     kristaps  907:                        term_fontpop(p);
1.1       kristaps  908:                        break;
1.264     schwarze  909:                case LIST_enum:
1.1       kristaps  910:                        (pair->ppair->ppair->count)++;
1.265     schwarze  911:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  912:                            pair->ppair->ppair->count);
1.1       kristaps  913:                        term_word(p, buf);
                    914:                        break;
                    915:                default:
                    916:                        break;
                    917:                }
                    918:
1.264     schwarze  919:        /*
1.1       kristaps  920:         * If we're not going to process our children, indicate so here.
                    921:         */
                    922:
                    923:        switch (type) {
1.264     schwarze  924:        case LIST_bullet:
1.1       kristaps  925:                /* FALLTHROUGH */
1.264     schwarze  926:        case LIST_item:
1.1       kristaps  927:                /* FALLTHROUGH */
1.264     schwarze  928:        case LIST_dash:
1.1       kristaps  929:                /* FALLTHROUGH */
1.264     schwarze  930:        case LIST_hyphen:
1.1       kristaps  931:                /* FALLTHROUGH */
1.264     schwarze  932:        case LIST_enum:
1.314     schwarze  933:                if (n->type == ROFFT_HEAD)
1.1       kristaps  934:                        return(0);
                    935:                break;
1.264     schwarze  936:        case LIST_column:
1.314     schwarze  937:                if (n->type == ROFFT_HEAD)
1.1       kristaps  938:                        return(0);
                    939:                break;
                    940:        default:
                    941:                break;
                    942:        }
                    943:
                    944:        return(1);
                    945: }
                    946:
                    947: static void
                    948: termp_it_post(DECL_ARGS)
                    949: {
1.126     kristaps  950:        enum mdoc_list     type;
1.1       kristaps  951:
1.314     schwarze  952:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  953:                return;
                    954:
1.202     kristaps  955:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  956:
                    957:        switch (type) {
1.264     schwarze  958:        case LIST_item:
1.1       kristaps  959:                /* FALLTHROUGH */
1.264     schwarze  960:        case LIST_diag:
1.53      kristaps  961:                /* FALLTHROUGH */
1.264     schwarze  962:        case LIST_inset:
1.314     schwarze  963:                if (n->type == ROFFT_BODY)
1.130     schwarze  964:                        term_newln(p);
1.1       kristaps  965:                break;
1.264     schwarze  966:        case LIST_column:
1.314     schwarze  967:                if (n->type == ROFFT_BODY)
1.1       kristaps  968:                        term_flushln(p);
                    969:                break;
                    970:        default:
1.130     schwarze  971:                term_newln(p);
1.1       kristaps  972:                break;
                    973:        }
                    974:
1.264     schwarze  975:        /*
1.109     kristaps  976:         * Now that our output is flushed, we can reset our tags.  Since
                    977:         * only `It' sets these flags, we're free to assume that nobody
                    978:         * has munged them in the meanwhile.
                    979:         */
                    980:
1.263     schwarze  981:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    982:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  983:        p->trailspace = 0;
1.1       kristaps  984: }
                    985:
                    986: static int
                    987: termp_nm_pre(DECL_ARGS)
                    988: {
1.296     schwarze  989:        const char      *cp;
1.1       kristaps  990:
1.314     schwarze  991:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  992:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  993:                return(1);
1.253     schwarze  994:        }
1.164     schwarze  995:
1.314     schwarze  996:        if (n->type == ROFFT_BODY) {
1.164     schwarze  997:                if (NULL == n->child)
                    998:                        return(0);
1.234     schwarze  999:                p->flags |= TERMP_NOSPACE;
1.296     schwarze 1000:                cp = NULL;
                   1001:                if (n->prev->child != NULL)
                   1002:                    cp = n->prev->child->string;
                   1003:                if (cp == NULL)
                   1004:                        cp = meta->name;
                   1005:                if (cp == NULL)
                   1006:                        p->offset += term_len(p, 6);
                   1007:                else
                   1008:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1009:                return(1);
                   1010:        }
                   1011:
1.245     schwarze 1012:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1013:                return(0);
1.125     kristaps 1014:
1.314     schwarze 1015:        if (n->type == ROFFT_HEAD)
1.177     schwarze 1016:                synopsis_pre(p, n->parent);
1.102     kristaps 1017:
1.314     schwarze 1018:        if (n->type == ROFFT_HEAD &&
1.278     schwarze 1019:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1020:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1021:                p->trailspace = 1;
1.185     schwarze 1022:                p->rmargin = p->offset + term_len(p, 1);
                   1023:                if (NULL == n->child) {
1.245     schwarze 1024:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1025:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1026:                        p->rmargin += term_strlen(p, n->child->string);
                   1027:                        if (n->child->next)
                   1028:                                p->flags |= TERMP_HANG;
                   1029:                } else {
                   1030:                        p->rmargin += term_len(p, 5);
                   1031:                        p->flags |= TERMP_HANG;
                   1032:                }
1.164     schwarze 1033:        }
                   1034:
1.102     kristaps 1035:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1036:        if (NULL == n->child)
1.245     schwarze 1037:                term_word(p, meta->name);
1.1       kristaps 1038:        return(1);
                   1039: }
                   1040:
1.164     schwarze 1041: static void
                   1042: termp_nm_post(DECL_ARGS)
                   1043: {
                   1044:
1.314     schwarze 1045:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1046:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1047:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1048:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1049:                term_flushln(p);
1.263     schwarze 1050:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1051:                p->trailspace = 0;
1.314     schwarze 1052:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1053:                term_flushln(p);
                   1054: }
                   1055:
1.1       kristaps 1056: static int
                   1057: termp_fl_pre(DECL_ARGS)
                   1058: {
                   1059:
1.102     kristaps 1060:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1061:        term_word(p, "\\-");
1.103     kristaps 1062:
1.280     schwarze 1063:        if ( ! (n->nchild == 0 &&
                   1064:            (n->next == NULL ||
1.314     schwarze 1065:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1066:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1067:                p->flags |= TERMP_NOSPACE;
                   1068:
1.1       kristaps 1069:        return(1);
                   1070: }
                   1071:
                   1072: static int
1.184     kristaps 1073: termp__a_pre(DECL_ARGS)
                   1074: {
                   1075:
                   1076:        if (n->prev && MDOC__A == n->prev->tok)
                   1077:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1078:                        term_word(p, "and");
                   1079:
                   1080:        return(1);
                   1081: }
                   1082:
                   1083: static int
1.61      kristaps 1084: termp_an_pre(DECL_ARGS)
                   1085: {
                   1086:
1.282     schwarze 1087:        if (n->norm->An.auth == AUTH_split) {
                   1088:                p->flags &= ~TERMP_NOSPLIT;
                   1089:                p->flags |= TERMP_SPLIT;
                   1090:                return(0);
                   1091:        }
                   1092:        if (n->norm->An.auth == AUTH_nosplit) {
                   1093:                p->flags &= ~TERMP_SPLIT;
                   1094:                p->flags |= TERMP_NOSPLIT;
                   1095:                return(0);
                   1096:        }
1.264     schwarze 1097:
1.282     schwarze 1098:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1099:                term_newln(p);
                   1100:
1.282     schwarze 1101:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1102:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1103:
                   1104:        return(1);
                   1105: }
                   1106:
                   1107: static int
1.1       kristaps 1108: termp_ns_pre(DECL_ARGS)
                   1109: {
                   1110:
1.215     kristaps 1111:        if ( ! (MDOC_LINE & n->flags))
                   1112:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1113:        return(1);
                   1114: }
                   1115:
                   1116: static int
                   1117: termp_rs_pre(DECL_ARGS)
                   1118: {
                   1119:
1.86      kristaps 1120:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1121:                return(1);
1.314     schwarze 1122:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1123:                term_vspace(p);
                   1124:        return(1);
                   1125: }
                   1126:
                   1127: static int
                   1128: termp_rv_pre(DECL_ARGS)
                   1129: {
1.223     kristaps 1130:        int              nchild;
1.1       kristaps 1131:
                   1132:        term_newln(p);
                   1133:
1.223     kristaps 1134:        nchild = n->nchild;
1.273     schwarze 1135:        if (nchild > 0) {
                   1136:                term_word(p, "The");
1.224     kristaps 1137:
1.273     schwarze 1138:                for (n = n->child; n; n = n->next) {
                   1139:                        term_fontpush(p, TERMFONT_BOLD);
                   1140:                        term_word(p, n->string);
                   1141:                        term_fontpop(p);
1.223     kristaps 1142:
                   1143:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1144:                        term_word(p, "()");
                   1145:
                   1146:                        if (n->next == NULL)
                   1147:                                continue;
                   1148:
                   1149:                        if (nchild > 2) {
                   1150:                                p->flags |= TERMP_NOSPACE;
                   1151:                                term_word(p, ",");
                   1152:                        }
                   1153:                        if (n->next->next == NULL)
                   1154:                                term_word(p, "and");
1.223     kristaps 1155:                }
                   1156:
1.273     schwarze 1157:                if (nchild > 1)
                   1158:                        term_word(p, "functions return");
                   1159:                else
                   1160:                        term_word(p, "function returns");
                   1161:
                   1162:                term_word(p, "the value\\~0 if successful;");
                   1163:        } else
                   1164:                term_word(p, "Upon successful completion,"
                   1165:                    " the value\\~0 is returned;");
1.1       kristaps 1166:
1.273     schwarze 1167:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1168:            " and the global variable");
1.1       kristaps 1169:
1.102     kristaps 1170:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1171:        term_word(p, "errno");
1.102     kristaps 1172:        term_fontpop(p);
1.1       kristaps 1173:
1.264     schwarze 1174:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1175:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1176:
1.68      kristaps 1177:        return(0);
1.1       kristaps 1178: }
                   1179:
                   1180: static int
                   1181: termp_ex_pre(DECL_ARGS)
                   1182: {
1.224     kristaps 1183:        int              nchild;
1.1       kristaps 1184:
1.224     kristaps 1185:        term_newln(p);
1.68      kristaps 1186:        term_word(p, "The");
1.1       kristaps 1187:
1.224     kristaps 1188:        nchild = n->nchild;
                   1189:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1190:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1191:                term_word(p, n->string);
1.102     kristaps 1192:                term_fontpop(p);
1.224     kristaps 1193:
                   1194:                if (nchild > 2 && n->next) {
                   1195:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1196:                        term_word(p, ",");
1.224     kristaps 1197:                }
                   1198:
                   1199:                if (n->next && NULL == n->next->next)
                   1200:                        term_word(p, "and");
1.68      kristaps 1201:        }
                   1202:
1.224     kristaps 1203:        if (nchild > 1)
1.273     schwarze 1204:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1205:        else
1.273     schwarze 1206:                term_word(p, "utility exits\\~0");
1.68      kristaps 1207:
1.273     schwarze 1208:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1209:
1.131     kristaps 1210:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1211:        return(0);
1.1       kristaps 1212: }
                   1213:
                   1214: static int
                   1215: termp_nd_pre(DECL_ARGS)
                   1216: {
1.25      kristaps 1217:
1.314     schwarze 1218:        if (n->type == ROFFT_BODY)
1.297     schwarze 1219:                term_word(p, "\\(en");
1.1       kristaps 1220:        return(1);
1.115     kristaps 1221: }
                   1222:
                   1223: static int
                   1224: termp_bl_pre(DECL_ARGS)
                   1225: {
                   1226:
1.314     schwarze 1227:        return(n->type != ROFFT_HEAD);
1.1       kristaps 1228: }
                   1229:
                   1230: static void
                   1231: termp_bl_post(DECL_ARGS)
                   1232: {
                   1233:
1.314     schwarze 1234:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1235:                term_newln(p);
                   1236: }
                   1237:
                   1238: static int
                   1239: termp_xr_pre(DECL_ARGS)
                   1240: {
                   1241:
1.225     kristaps 1242:        if (NULL == (n = n->child))
1.113     kristaps 1243:                return(0);
                   1244:
1.314     schwarze 1245:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1246:        term_word(p, n->string);
1.11      kristaps 1247:
1.264     schwarze 1248:        if (NULL == (n = n->next))
1.1       kristaps 1249:                return(0);
1.225     kristaps 1250:
1.1       kristaps 1251:        p->flags |= TERMP_NOSPACE;
                   1252:        term_word(p, "(");
1.222     kristaps 1253:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1254:
1.314     schwarze 1255:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1256:        term_word(p, n->string);
                   1257:
1.222     kristaps 1258:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1259:        term_word(p, ")");
1.86      kristaps 1260:
1.1       kristaps 1261:        return(0);
                   1262: }
                   1263:
1.143     kristaps 1264: /*
                   1265:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1266:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1267:  * macro combos).
                   1268:  */
                   1269: static void
1.315   ! schwarze 1270: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1271: {
1.264     schwarze 1272:        /*
1.143     kristaps 1273:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1274:         * exist, do nothing.
                   1275:         */
1.160     kristaps 1276:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1277:                return;
                   1278:
                   1279:        /*
                   1280:         * If we're the second in a pair of like elements, emit our
                   1281:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1282:         * case we soldier on.
                   1283:         */
1.264     schwarze 1284:        if (n->prev->tok == n->tok &&
                   1285:            MDOC_Ft != n->tok &&
                   1286:            MDOC_Fo != n->tok &&
                   1287:            MDOC_Fn != n->tok) {
1.143     kristaps 1288:                term_newln(p);
                   1289:                return;
                   1290:        }
                   1291:
                   1292:        /*
                   1293:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1294:         * another (or Fn/Fo, which we've let slip through) then assert
                   1295:         * vertical space, else only newline and move on.
                   1296:         */
                   1297:        switch (n->prev->tok) {
1.264     schwarze 1298:        case MDOC_Fd:
1.143     kristaps 1299:                /* FALLTHROUGH */
1.264     schwarze 1300:        case MDOC_Fn:
1.143     kristaps 1301:                /* FALLTHROUGH */
1.264     schwarze 1302:        case MDOC_Fo:
1.143     kristaps 1303:                /* FALLTHROUGH */
1.264     schwarze 1304:        case MDOC_In:
1.143     kristaps 1305:                /* FALLTHROUGH */
1.264     schwarze 1306:        case MDOC_Vt:
1.143     kristaps 1307:                term_vspace(p);
                   1308:                break;
1.264     schwarze 1309:        case MDOC_Ft:
1.143     kristaps 1310:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1311:                        term_vspace(p);
                   1312:                        break;
                   1313:                }
                   1314:                /* FALLTHROUGH */
                   1315:        default:
                   1316:                term_newln(p);
                   1317:                break;
                   1318:        }
                   1319: }
                   1320:
1.110     kristaps 1321: static int
                   1322: termp_vt_pre(DECL_ARGS)
                   1323: {
                   1324:
1.314     schwarze 1325:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1326:                synopsis_pre(p, n);
1.245     schwarze 1327:                return(termp_under_pre(p, pair, meta, n));
1.314     schwarze 1328:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1329:                synopsis_pre(p, n);
                   1330:                return(1);
1.314     schwarze 1331:        } else if (n->type == ROFFT_HEAD)
1.110     kristaps 1332:                return(0);
                   1333:
1.245     schwarze 1334:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1335: }
                   1336:
1.1       kristaps 1337: static int
1.69      kristaps 1338: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1339: {
                   1340:
1.102     kristaps 1341:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1342:        return(1);
                   1343: }
                   1344:
1.143     kristaps 1345: static int
                   1346: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1347: {
                   1348:
1.143     kristaps 1349:        synopsis_pre(p, n);
1.245     schwarze 1350:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1351: }
                   1352:
1.241     schwarze 1353: static void
                   1354: termp_fd_post(DECL_ARGS)
                   1355: {
                   1356:
                   1357:        term_newln(p);
                   1358: }
                   1359:
1.1       kristaps 1360: static int
                   1361: termp_sh_pre(DECL_ARGS)
                   1362: {
1.85      kristaps 1363:
1.86      kristaps 1364:        switch (n->type) {
1.314     schwarze 1365:        case ROFFT_BLOCK:
1.293     schwarze 1366:                /*
                   1367:                 * Vertical space before sections, except
                   1368:                 * when the previous section was empty.
                   1369:                 */
                   1370:                if (n->prev == NULL ||
                   1371:                    MDOC_Sh != n->prev->tok ||
                   1372:                    (n->prev->body != NULL &&
                   1373:                     n->prev->body->child != NULL))
                   1374:                        term_vspace(p);
1.65      kristaps 1375:                break;
1.314     schwarze 1376:        case ROFFT_HEAD:
1.102     kristaps 1377:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1378:                break;
1.314     schwarze 1379:        case ROFFT_BODY:
1.238     schwarze 1380:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1381:                if (SEC_AUTHORS == n->sec)
                   1382:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1383:                break;
                   1384:        default:
                   1385:                break;
                   1386:        }
                   1387:        return(1);
                   1388: }
                   1389:
                   1390: static void
                   1391: termp_sh_post(DECL_ARGS)
                   1392: {
                   1393:
1.86      kristaps 1394:        switch (n->type) {
1.314     schwarze 1395:        case ROFFT_HEAD:
1.1       kristaps 1396:                term_newln(p);
                   1397:                break;
1.314     schwarze 1398:        case ROFFT_BODY:
1.1       kristaps 1399:                term_newln(p);
                   1400:                p->offset = 0;
                   1401:                break;
                   1402:        default:
                   1403:                break;
                   1404:        }
                   1405: }
                   1406:
                   1407: static int
                   1408: termp_bt_pre(DECL_ARGS)
                   1409: {
                   1410:
                   1411:        term_word(p, "is currently in beta test.");
1.131     kristaps 1412:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1413:        return(0);
1.1       kristaps 1414: }
                   1415:
                   1416: static void
                   1417: termp_lb_post(DECL_ARGS)
                   1418: {
                   1419:
1.122     kristaps 1420:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1421:                term_newln(p);
1.1       kristaps 1422: }
                   1423:
                   1424: static int
                   1425: termp_ud_pre(DECL_ARGS)
                   1426: {
                   1427:
                   1428:        term_word(p, "currently under development.");
1.131     kristaps 1429:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1430:        return(0);
1.1       kristaps 1431: }
                   1432:
                   1433: static int
                   1434: termp_d1_pre(DECL_ARGS)
                   1435: {
                   1436:
1.314     schwarze 1437:        if (n->type != ROFFT_BLOCK)
1.1       kristaps 1438:                return(1);
                   1439:        term_newln(p);
1.238     schwarze 1440:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1441:        return(1);
                   1442: }
                   1443:
                   1444: static int
                   1445: termp_ft_pre(DECL_ARGS)
                   1446: {
                   1447:
1.141     kristaps 1448:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1449:        synopsis_pre(p, n);
1.102     kristaps 1450:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1451:        return(1);
                   1452: }
                   1453:
                   1454: static int
                   1455: termp_fn_pre(DECL_ARGS)
                   1456: {
1.257     schwarze 1457:        size_t           rmargin = 0;
1.226     kristaps 1458:        int              pretty;
                   1459:
                   1460:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1461:
1.143     kristaps 1462:        synopsis_pre(p, n);
1.139     kristaps 1463:
1.226     kristaps 1464:        if (NULL == (n = n->child))
                   1465:                return(0);
                   1466:
1.251     schwarze 1467:        if (pretty) {
                   1468:                rmargin = p->rmargin;
1.257     schwarze 1469:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1470:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1471:        }
                   1472:
1.314     schwarze 1473:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1474:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1475:        term_word(p, n->string);
1.102     kristaps 1476:        term_fontpop(p);
1.1       kristaps 1477:
1.251     schwarze 1478:        if (pretty) {
                   1479:                term_flushln(p);
1.263     schwarze 1480:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1481:                p->offset = p->rmargin;
                   1482:                p->rmargin = rmargin;
                   1483:        }
                   1484:
1.1       kristaps 1485:        p->flags |= TERMP_NOSPACE;
                   1486:        term_word(p, "(");
1.222     kristaps 1487:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1488:
1.226     kristaps 1489:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1490:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1491:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1492:                if (pretty)
                   1493:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1494:                term_word(p, n->string);
1.102     kristaps 1495:                term_fontpop(p);
                   1496:
1.226     kristaps 1497:                if (n->next) {
1.222     kristaps 1498:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1499:                        term_word(p, ",");
1.222     kristaps 1500:                }
1.1       kristaps 1501:        }
                   1502:
1.222     kristaps 1503:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1504:        term_word(p, ")");
                   1505:
1.226     kristaps 1506:        if (pretty) {
1.222     kristaps 1507:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1508:                term_word(p, ";");
1.251     schwarze 1509:                term_flushln(p);
1.222     kristaps 1510:        }
1.1       kristaps 1511:
                   1512:        return(0);
                   1513: }
                   1514:
                   1515: static int
                   1516: termp_fa_pre(DECL_ARGS)
                   1517: {
1.315   ! schwarze 1518:        const struct roff_node  *nn;
1.1       kristaps 1519:
1.86      kristaps 1520:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1521:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1522:                return(1);
                   1523:        }
                   1524:
1.86      kristaps 1525:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1526:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1527:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1528:                term_word(p, nn->string);
1.102     kristaps 1529:                term_fontpop(p);
                   1530:
1.256     schwarze 1531:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1532:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1533:                        term_word(p, ",");
1.222     kristaps 1534:                }
1.1       kristaps 1535:        }
                   1536:
                   1537:        return(0);
                   1538: }
                   1539:
                   1540: static int
                   1541: termp_bd_pre(DECL_ARGS)
                   1542: {
1.272     schwarze 1543:        size_t                   tabwidth, lm, len, rm, rmax;
1.315   ! schwarze 1544:        struct roff_node        *nn;
1.302     schwarze 1545:        int                      offset;
1.1       kristaps 1546:
1.314     schwarze 1547:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1548:                print_bvspace(p, n, n);
1.54      kristaps 1549:                return(1);
1.314     schwarze 1550:        } else if (n->type == ROFFT_HEAD)
1.116     kristaps 1551:                return(0);
1.1       kristaps 1552:
1.288     schwarze 1553:        /* Handle the -offset argument. */
                   1554:
                   1555:        if (n->norm->Bd.offs == NULL ||
                   1556:            ! strcmp(n->norm->Bd.offs, "left"))
                   1557:                /* nothing */;
                   1558:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1559:                p->offset += term_len(p, p->defindent + 1);
                   1560:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1561:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1562:        else {
                   1563:                offset = a2width(p, n->norm->Bd.offs);
                   1564:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1565:                        p->offset = 0;
                   1566:                else if (offset < SHRT_MAX)
                   1567:                        p->offset += offset;
                   1568:        }
1.85      kristaps 1569:
                   1570:        /*
                   1571:         * If -ragged or -filled are specified, the block does nothing
                   1572:         * but change the indentation.  If -unfilled or -literal are
                   1573:         * specified, text is printed exactly as entered in the display:
                   1574:         * for macro lines, a newline is appended to the line.  Blank
                   1575:         * lines are allowed.
                   1576:         */
1.264     schwarze 1577:
                   1578:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1579:            DISP_unfilled != n->norm->Bd.type &&
                   1580:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1581:                return(1);
                   1582:
1.129     schwarze 1583:        tabwidth = p->tabwidth;
1.208     kristaps 1584:        if (DISP_literal == n->norm->Bd.type)
                   1585:                p->tabwidth = term_len(p, 8);
                   1586:
1.272     schwarze 1587:        lm = p->offset;
1.119     kristaps 1588:        rm = p->rmargin;
                   1589:        rmax = p->maxrmargin;
1.120     kristaps 1590:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1591:
1.86      kristaps 1592:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1593:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1594:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1595:                                len = term_strlen(p, nn->string);
                   1596:                                p->offset = len >= rm ? 0 :
                   1597:                                    lm + len >= rm ? rm - len :
                   1598:                                    (lm + rm - len) / 2;
                   1599:                        } else
                   1600:                                p->offset = lm;
                   1601:                }
1.245     schwarze 1602:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1603:                /*
                   1604:                 * If the printed node flushes its own line, then we
                   1605:                 * needn't do it here as well.  This is hacky, but the
                   1606:                 * notion of selective eoln whitespace is pretty dumb
                   1607:                 * anyway, so don't sweat it.
                   1608:                 */
                   1609:                switch (nn->tok) {
1.264     schwarze 1610:                case MDOC_Sm:
1.193     kristaps 1611:                        /* FALLTHROUGH */
1.264     schwarze 1612:                case MDOC_br:
1.190     kristaps 1613:                        /* FALLTHROUGH */
1.264     schwarze 1614:                case MDOC_sp:
1.190     kristaps 1615:                        /* FALLTHROUGH */
1.264     schwarze 1616:                case MDOC_Bl:
1.196     kristaps 1617:                        /* FALLTHROUGH */
1.264     schwarze 1618:                case MDOC_D1:
1.196     kristaps 1619:                        /* FALLTHROUGH */
1.264     schwarze 1620:                case MDOC_Dl:
1.190     kristaps 1621:                        /* FALLTHROUGH */
1.264     schwarze 1622:                case MDOC_Lp:
1.190     kristaps 1623:                        /* FALLTHROUGH */
1.264     schwarze 1624:                case MDOC_Pp:
1.190     kristaps 1625:                        continue;
                   1626:                default:
                   1627:                        break;
                   1628:                }
1.299     schwarze 1629:                if (p->flags & TERMP_NONEWLINE ||
                   1630:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1631:                        continue;
                   1632:                term_flushln(p);
                   1633:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1634:        }
1.147     kristaps 1635:
1.129     schwarze 1636:        p->tabwidth = tabwidth;
1.119     kristaps 1637:        p->rmargin = rm;
                   1638:        p->maxrmargin = rmax;
1.1       kristaps 1639:        return(0);
                   1640: }
                   1641:
                   1642: static void
                   1643: termp_bd_post(DECL_ARGS)
                   1644: {
1.119     kristaps 1645:        size_t           rm, rmax;
1.1       kristaps 1646:
1.314     schwarze 1647:        if (n->type != ROFFT_BODY)
1.1       kristaps 1648:                return;
1.118     kristaps 1649:
1.119     kristaps 1650:        rm = p->rmargin;
                   1651:        rmax = p->maxrmargin;
1.118     kristaps 1652:
1.264     schwarze 1653:        if (DISP_literal == n->norm->Bd.type ||
                   1654:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1655:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1656:
1.60      kristaps 1657:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1658:        term_newln(p);
1.118     kristaps 1659:
1.119     kristaps 1660:        p->rmargin = rm;
                   1661:        p->maxrmargin = rmax;
1.1       kristaps 1662: }
                   1663:
1.211     kristaps 1664: static int
                   1665: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1666: {
                   1667:
1.211     kristaps 1668:        if (NULL != (n = n->child)) {
                   1669:                term_word(p, n->string);
                   1670:                p->flags |= TERMP_NOSPACE;
                   1671:                term_word(p, "BSD");
                   1672:        } else {
                   1673:                term_word(p, "BSD");
                   1674:                return(0);
                   1675:        }
                   1676:
                   1677:        if (NULL != (n = n->next)) {
                   1678:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1679:                term_word(p, "-");
1.1       kristaps 1680:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1681:                term_word(p, n->string);
1.211     kristaps 1682:        }
                   1683:
                   1684:        return(0);
1.1       kristaps 1685: }
                   1686:
                   1687: static int
1.26      kristaps 1688: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1689: {
1.26      kristaps 1690:        const char      *pp;
1.218     schwarze 1691:        int              flags;
1.1       kristaps 1692:
1.26      kristaps 1693:        pp = NULL;
1.86      kristaps 1694:        switch (n->tok) {
1.264     schwarze 1695:        case MDOC_Bsx:
1.194     schwarze 1696:                pp = "BSD/OS";
1.26      kristaps 1697:                break;
1.264     schwarze 1698:        case MDOC_Dx:
1.100     kristaps 1699:                pp = "DragonFly";
1.26      kristaps 1700:                break;
1.264     schwarze 1701:        case MDOC_Fx:
1.26      kristaps 1702:                pp = "FreeBSD";
                   1703:                break;
1.264     schwarze 1704:        case MDOC_Nx:
1.26      kristaps 1705:                pp = "NetBSD";
                   1706:                break;
1.264     schwarze 1707:        case MDOC_Ox:
1.26      kristaps 1708:                pp = "OpenBSD";
                   1709:                break;
1.264     schwarze 1710:        case MDOC_Ux:
1.26      kristaps 1711:                pp = "UNIX";
                   1712:                break;
                   1713:        default:
1.246     schwarze 1714:                abort();
                   1715:                /* NOTREACHED */
1.26      kristaps 1716:        }
1.1       kristaps 1717:
1.26      kristaps 1718:        term_word(p, pp);
1.214     kristaps 1719:        if (n->child) {
1.218     schwarze 1720:                flags = p->flags;
1.214     kristaps 1721:                p->flags |= TERMP_KEEP;
                   1722:                term_word(p, n->child->string);
1.218     schwarze 1723:                p->flags = flags;
1.214     kristaps 1724:        }
                   1725:        return(0);
1.1       kristaps 1726: }
                   1727:
                   1728: static void
                   1729: termp_pf_post(DECL_ARGS)
                   1730: {
                   1731:
1.298     schwarze 1732:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1733:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1734: }
                   1735:
                   1736: static int
                   1737: termp_ss_pre(DECL_ARGS)
                   1738: {
                   1739:
1.86      kristaps 1740:        switch (n->type) {
1.314     schwarze 1741:        case ROFFT_BLOCK:
1.1       kristaps 1742:                term_newln(p);
1.86      kristaps 1743:                if (n->prev)
1.1       kristaps 1744:                        term_vspace(p);
                   1745:                break;
1.314     schwarze 1746:        case ROFFT_HEAD:
1.102     kristaps 1747:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1748:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1749:                break;
1.314     schwarze 1750:        case ROFFT_BODY:
1.274     schwarze 1751:                p->offset = term_len(p, p->defindent);
                   1752:                break;
1.1       kristaps 1753:        default:
                   1754:                break;
                   1755:        }
                   1756:
                   1757:        return(1);
                   1758: }
                   1759:
                   1760: static void
                   1761: termp_ss_post(DECL_ARGS)
                   1762: {
                   1763:
1.314     schwarze 1764:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1765:                term_newln(p);
                   1766: }
                   1767:
                   1768: static int
                   1769: termp_cd_pre(DECL_ARGS)
                   1770: {
                   1771:
1.143     kristaps 1772:        synopsis_pre(p, n);
1.102     kristaps 1773:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1774:        return(1);
                   1775: }
                   1776:
                   1777: static int
                   1778: termp_in_pre(DECL_ARGS)
                   1779: {
1.142     schwarze 1780:
1.143     kristaps 1781:        synopsis_pre(p, n);
1.1       kristaps 1782:
1.160     kristaps 1783:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1784:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1785:                term_word(p, "#include");
1.138     kristaps 1786:                term_word(p, "<");
                   1787:        } else {
                   1788:                term_word(p, "<");
                   1789:                term_fontpush(p, TERMFONT_UNDER);
                   1790:        }
1.22      kristaps 1791:
1.1       kristaps 1792:        p->flags |= TERMP_NOSPACE;
                   1793:        return(1);
                   1794: }
                   1795:
                   1796: static void
                   1797: termp_in_post(DECL_ARGS)
                   1798: {
                   1799:
1.160     kristaps 1800:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1801:                term_fontpush(p, TERMFONT_BOLD);
                   1802:
1.79      kristaps 1803:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1804:        term_word(p, ">");
                   1805:
1.160     kristaps 1806:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1807:                term_fontpop(p);
1.1       kristaps 1808: }
                   1809:
                   1810: static int
1.45      kristaps 1811: termp_sp_pre(DECL_ARGS)
                   1812: {
1.300     schwarze 1813:        struct roffsu    su;
1.312     schwarze 1814:        int              i, len;
1.45      kristaps 1815:
1.86      kristaps 1816:        switch (n->tok) {
1.264     schwarze 1817:        case MDOC_sp:
1.300     schwarze 1818:                if (n->child) {
                   1819:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1820:                                su.scale = 1.0;
                   1821:                        len = term_vspan(p, &su);
                   1822:                } else
                   1823:                        len = 1;
1.76      kristaps 1824:                break;
1.264     schwarze 1825:        case MDOC_br:
1.76      kristaps 1826:                len = 0;
                   1827:                break;
                   1828:        default:
                   1829:                len = 1;
                   1830:                break;
1.45      kristaps 1831:        }
                   1832:
                   1833:        if (0 == len)
                   1834:                term_newln(p);
1.312     schwarze 1835:        else if (len < 0)
                   1836:                p->skipvsp -= len;
                   1837:        else
                   1838:                for (i = 0; i < len; i++)
                   1839:                        term_vspace(p);
1.45      kristaps 1840:
                   1841:        return(0);
                   1842: }
                   1843:
                   1844: static int
1.294     schwarze 1845: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1846: {
                   1847:
                   1848:        return(0);
                   1849: }
                   1850:
                   1851: static int
1.188     kristaps 1852: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1853: {
                   1854:
1.314     schwarze 1855:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1856:                return(1);
                   1857:
1.188     kristaps 1858:        switch (n->tok) {
1.264     schwarze 1859:        case MDOC_Ao:
1.188     kristaps 1860:                /* FALLTHROUGH */
1.264     schwarze 1861:        case MDOC_Aq:
1.303     schwarze 1862:                term_word(p, n->nchild == 1 &&
                   1863:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1864:                break;
1.264     schwarze 1865:        case MDOC_Bro:
1.188     kristaps 1866:                /* FALLTHROUGH */
1.264     schwarze 1867:        case MDOC_Brq:
1.188     kristaps 1868:                term_word(p, "{");
                   1869:                break;
1.264     schwarze 1870:        case MDOC_Oo:
1.188     kristaps 1871:                /* FALLTHROUGH */
1.264     schwarze 1872:        case MDOC_Op:
1.188     kristaps 1873:                /* FALLTHROUGH */
1.264     schwarze 1874:        case MDOC_Bo:
1.188     kristaps 1875:                /* FALLTHROUGH */
1.264     schwarze 1876:        case MDOC_Bq:
1.188     kristaps 1877:                term_word(p, "[");
                   1878:                break;
1.264     schwarze 1879:        case MDOC_Do:
1.188     kristaps 1880:                /* FALLTHROUGH */
1.264     schwarze 1881:        case MDOC_Dq:
1.311     schwarze 1882:                term_word(p, "\\(Lq");
1.188     kristaps 1883:                break;
1.268     schwarze 1884:        case MDOC_En:
                   1885:                if (NULL == n->norm->Es ||
                   1886:                    NULL == n->norm->Es->child)
                   1887:                        return(1);
                   1888:                term_word(p, n->norm->Es->child->string);
                   1889:                break;
1.264     schwarze 1890:        case MDOC_Po:
1.188     kristaps 1891:                /* FALLTHROUGH */
1.264     schwarze 1892:        case MDOC_Pq:
1.188     kristaps 1893:                term_word(p, "(");
                   1894:                break;
1.264     schwarze 1895:        case MDOC__T:
1.205     kristaps 1896:                /* FALLTHROUGH */
1.264     schwarze 1897:        case MDOC_Qo:
1.188     kristaps 1898:                /* FALLTHROUGH */
1.264     schwarze 1899:        case MDOC_Qq:
1.188     kristaps 1900:                term_word(p, "\"");
                   1901:                break;
1.264     schwarze 1902:        case MDOC_Ql:
1.188     kristaps 1903:                /* FALLTHROUGH */
1.264     schwarze 1904:        case MDOC_So:
1.188     kristaps 1905:                /* FALLTHROUGH */
1.264     schwarze 1906:        case MDOC_Sq:
1.249     schwarze 1907:                term_word(p, "\\(oq");
1.188     kristaps 1908:                break;
                   1909:        default:
                   1910:                abort();
                   1911:                /* NOTREACHED */
                   1912:        }
1.1       kristaps 1913:
                   1914:        p->flags |= TERMP_NOSPACE;
                   1915:        return(1);
                   1916: }
                   1917:
                   1918: static void
1.188     kristaps 1919: termp_quote_post(DECL_ARGS)
1.1       kristaps 1920: {
                   1921:
1.314     schwarze 1922:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1923:                return;
                   1924:
1.306     schwarze 1925:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1926:
1.188     kristaps 1927:        switch (n->tok) {
1.264     schwarze 1928:        case MDOC_Ao:
1.188     kristaps 1929:                /* FALLTHROUGH */
1.264     schwarze 1930:        case MDOC_Aq:
1.303     schwarze 1931:                term_word(p, n->nchild == 1 &&
                   1932:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1933:                break;
1.264     schwarze 1934:        case MDOC_Bro:
1.188     kristaps 1935:                /* FALLTHROUGH */
1.264     schwarze 1936:        case MDOC_Brq:
1.188     kristaps 1937:                term_word(p, "}");
                   1938:                break;
1.264     schwarze 1939:        case MDOC_Oo:
1.188     kristaps 1940:                /* FALLTHROUGH */
1.264     schwarze 1941:        case MDOC_Op:
1.188     kristaps 1942:                /* FALLTHROUGH */
1.264     schwarze 1943:        case MDOC_Bo:
1.188     kristaps 1944:                /* FALLTHROUGH */
1.264     schwarze 1945:        case MDOC_Bq:
1.188     kristaps 1946:                term_word(p, "]");
                   1947:                break;
1.264     schwarze 1948:        case MDOC_Do:
1.188     kristaps 1949:                /* FALLTHROUGH */
1.264     schwarze 1950:        case MDOC_Dq:
1.311     schwarze 1951:                term_word(p, "\\(Rq");
1.268     schwarze 1952:                break;
                   1953:        case MDOC_En:
1.306     schwarze 1954:                if (n->norm->Es == NULL ||
                   1955:                    n->norm->Es->child == NULL ||
                   1956:                    n->norm->Es->child->next == NULL)
                   1957:                        p->flags &= ~TERMP_NOSPACE;
                   1958:                else
1.268     schwarze 1959:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1960:                break;
1.264     schwarze 1961:        case MDOC_Po:
1.188     kristaps 1962:                /* FALLTHROUGH */
1.264     schwarze 1963:        case MDOC_Pq:
1.188     kristaps 1964:                term_word(p, ")");
                   1965:                break;
1.264     schwarze 1966:        case MDOC__T:
1.205     kristaps 1967:                /* FALLTHROUGH */
1.264     schwarze 1968:        case MDOC_Qo:
1.188     kristaps 1969:                /* FALLTHROUGH */
1.264     schwarze 1970:        case MDOC_Qq:
1.188     kristaps 1971:                term_word(p, "\"");
                   1972:                break;
1.264     schwarze 1973:        case MDOC_Ql:
1.188     kristaps 1974:                /* FALLTHROUGH */
1.264     schwarze 1975:        case MDOC_So:
1.188     kristaps 1976:                /* FALLTHROUGH */
1.264     schwarze 1977:        case MDOC_Sq:
1.249     schwarze 1978:                term_word(p, "\\(cq");
1.188     kristaps 1979:                break;
                   1980:        default:
                   1981:                abort();
                   1982:                /* NOTREACHED */
                   1983:        }
1.306     schwarze 1984: }
                   1985:
                   1986: static int
                   1987: termp_eo_pre(DECL_ARGS)
                   1988: {
                   1989:
1.314     schwarze 1990:        if (n->type != ROFFT_BODY)
1.306     schwarze 1991:                return(1);
                   1992:
                   1993:        if (n->end == ENDBODY_NOT &&
                   1994:            n->parent->head->child == NULL &&
                   1995:            n->child != NULL &&
                   1996:            n->child->end != ENDBODY_NOT)
                   1997:                term_word(p, "\\&");
                   1998:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1999:             n->parent->head->child != NULL && (n->child != NULL ||
                   2000:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 2001:                p->flags |= TERMP_NOSPACE;
                   2002:
                   2003:        return(1);
                   2004: }
                   2005:
                   2006: static void
                   2007: termp_eo_post(DECL_ARGS)
                   2008: {
                   2009:        int      body, tail;
                   2010:
1.314     schwarze 2011:        if (n->type != ROFFT_BODY)
1.306     schwarze 2012:                return;
                   2013:
                   2014:        if (n->end != ENDBODY_NOT) {
                   2015:                p->flags &= ~TERMP_NOSPACE;
                   2016:                return;
                   2017:        }
                   2018:
                   2019:        body = n->child != NULL || n->parent->head->child != NULL;
                   2020:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   2021:
                   2022:        if (body && tail)
                   2023:                p->flags |= TERMP_NOSPACE;
                   2024:        else if ( ! (body || tail))
                   2025:                term_word(p, "\\&");
                   2026:        else if ( ! tail)
                   2027:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2028: }
                   2029:
                   2030: static int
                   2031: termp_fo_pre(DECL_ARGS)
                   2032: {
1.257     schwarze 2033:        size_t           rmargin = 0;
1.256     schwarze 2034:        int              pretty;
                   2035:
                   2036:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2037:
1.314     schwarze 2038:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 2039:                synopsis_pre(p, n);
1.141     kristaps 2040:                return(1);
1.314     schwarze 2041:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 2042:                if (pretty) {
                   2043:                        rmargin = p->rmargin;
1.257     schwarze 2044:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2045:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2046:                                        TERMP_HANG;
1.256     schwarze 2047:                }
1.33      kristaps 2048:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2049:                term_word(p, "(");
1.222     kristaps 2050:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2051:                if (pretty) {
                   2052:                        term_flushln(p);
1.263     schwarze 2053:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2054:                                        TERMP_HANG);
1.256     schwarze 2055:                        p->offset = p->rmargin;
                   2056:                        p->rmargin = rmargin;
                   2057:                }
1.1       kristaps 2058:                return(1);
1.256     schwarze 2059:        }
1.141     kristaps 2060:
1.169     kristaps 2061:        if (NULL == n->child)
                   2062:                return(0);
                   2063:
1.141     kristaps 2064:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2065:
1.141     kristaps 2066:        assert(n->child->string);
1.102     kristaps 2067:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2068:        term_word(p, n->child->string);
1.1       kristaps 2069:        return(0);
                   2070: }
                   2071:
                   2072: static void
                   2073: termp_fo_post(DECL_ARGS)
                   2074: {
                   2075:
1.314     schwarze 2076:        if (n->type != ROFFT_BODY)
1.143     kristaps 2077:                return;
                   2078:
1.222     kristaps 2079:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2080:        term_word(p, ")");
                   2081:
1.222     kristaps 2082:        if (MDOC_SYNPRETTY & n->flags) {
                   2083:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2084:                term_word(p, ";");
1.256     schwarze 2085:                term_flushln(p);
1.222     kristaps 2086:        }
1.1       kristaps 2087: }
                   2088:
                   2089: static int
                   2090: termp_bf_pre(DECL_ARGS)
                   2091: {
                   2092:
1.314     schwarze 2093:        if (n->type == ROFFT_HEAD)
1.1       kristaps 2094:                return(0);
1.314     schwarze 2095:        else if (n->type != ROFFT_BODY)
1.1       kristaps 2096:                return(1);
                   2097:
1.264     schwarze 2098:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2099:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2100:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2101:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2102:        else
1.102     kristaps 2103:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2104:
                   2105:        return(1);
                   2106: }
                   2107:
                   2108: static int
                   2109: termp_sm_pre(DECL_ARGS)
                   2110: {
                   2111:
1.269     schwarze 2112:        if (NULL == n->child)
                   2113:                p->flags ^= TERMP_NONOSPACE;
                   2114:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2115:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2116:        else
1.1       kristaps 2117:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2118:
                   2119:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2120:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2121:
                   2122:        return(0);
                   2123: }
                   2124:
                   2125: static int
                   2126: termp_ap_pre(DECL_ARGS)
                   2127: {
                   2128:
                   2129:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2130:        term_word(p, "'");
1.1       kristaps 2131:        p->flags |= TERMP_NOSPACE;
                   2132:        return(1);
                   2133: }
                   2134:
                   2135: static void
                   2136: termp____post(DECL_ARGS)
                   2137: {
1.184     kristaps 2138:
                   2139:        /*
                   2140:         * Handle lists of authors.  In general, print each followed by
                   2141:         * a comma.  Don't print the comma if there are only two
                   2142:         * authors.
                   2143:         */
                   2144:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2145:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2146:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2147:                                return;
1.1       kristaps 2148:
1.95      kristaps 2149:        /* TODO: %U. */
                   2150:
1.187     kristaps 2151:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2152:                return;
                   2153:
1.222     kristaps 2154:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2155:        if (NULL == n->next) {
                   2156:                term_word(p, ".");
                   2157:                p->flags |= TERMP_SENTENCE;
                   2158:        } else
                   2159:                term_word(p, ",");
1.1       kristaps 2160: }
                   2161:
                   2162: static int
1.102     kristaps 2163: termp_li_pre(DECL_ARGS)
                   2164: {
                   2165:
                   2166:        term_fontpush(p, TERMFONT_NONE);
                   2167:        return(1);
                   2168: }
                   2169:
                   2170: static int
1.1       kristaps 2171: termp_lk_pre(DECL_ARGS)
                   2172: {
1.315   ! schwarze 2173:        const struct roff_node *link, *descr;
1.1       kristaps 2174:
1.240     schwarze 2175:        if (NULL == (link = n->child))
                   2176:                return(0);
1.181     kristaps 2177:
1.240     schwarze 2178:        if (NULL != (descr = link->next)) {
                   2179:                term_fontpush(p, TERMFONT_UNDER);
                   2180:                while (NULL != descr) {
                   2181:                        term_word(p, descr->string);
                   2182:                        descr = descr->next;
                   2183:                }
                   2184:                p->flags |= TERMP_NOSPACE;
                   2185:                term_word(p, ":");
                   2186:                term_fontpop(p);
                   2187:        }
1.1       kristaps 2188:
1.102     kristaps 2189:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2190:        term_word(p, link->string);
1.102     kristaps 2191:        term_fontpop(p);
1.12      kristaps 2192:
1.1       kristaps 2193:        return(0);
                   2194: }
                   2195:
1.159     schwarze 2196: static int
                   2197: termp_bk_pre(DECL_ARGS)
                   2198: {
                   2199:
1.161     schwarze 2200:        switch (n->type) {
1.314     schwarze 2201:        case ROFFT_BLOCK:
1.166     kristaps 2202:                break;
1.314     schwarze 2203:        case ROFFT_HEAD:
1.161     schwarze 2204:                return(0);
1.314     schwarze 2205:        case ROFFT_BODY:
1.200     schwarze 2206:                if (n->parent->args || 0 == n->prev->nchild)
                   2207:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2208:                break;
1.161     schwarze 2209:        default:
                   2210:                abort();
1.166     kristaps 2211:                /* NOTREACHED */
1.161     schwarze 2212:        }
1.166     kristaps 2213:
                   2214:        return(1);
1.159     schwarze 2215: }
                   2216:
                   2217: static void
                   2218: termp_bk_post(DECL_ARGS)
                   2219: {
                   2220:
1.314     schwarze 2221:        if (n->type == ROFFT_BODY)
1.161     schwarze 2222:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2223: }
                   2224:
                   2225: static void
                   2226: termp__t_post(DECL_ARGS)
                   2227: {
                   2228:
                   2229:        /*
                   2230:         * If we're in an `Rs' and there's a journal present, then quote
                   2231:         * us instead of underlining us (for disambiguation).
                   2232:         */
1.217     schwarze 2233:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2234:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2235:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2236:
1.245     schwarze 2237:        termp____post(p, pair, meta, n);
1.203     kristaps 2238: }
                   2239:
                   2240: static int
                   2241: termp__t_pre(DECL_ARGS)
                   2242: {
                   2243:
                   2244:        /*
                   2245:         * If we're in an `Rs' and there's a journal present, then quote
                   2246:         * us instead of underlining us (for disambiguation).
                   2247:         */
                   2248:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2249:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2250:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2251:
                   2252:        term_fontpush(p, TERMFONT_UNDER);
                   2253:        return(1);
1.159     schwarze 2254: }
1.1       kristaps 2255:
                   2256: static int
1.69      kristaps 2257: termp_under_pre(DECL_ARGS)
1.1       kristaps 2258: {
                   2259:
1.102     kristaps 2260:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2261:        return(1);
                   2262: }

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