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Annotation of mandoc/mdoc_term.c, Revision 1.301

1.301   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.300 2014/12/23 09:31:46 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259     schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.6       kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.266     schwarze   31: #include "mandoc_aux.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.264     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
1.96      kristaps   53:
                     54: static void      print_bvspace(struct termp *,
1.151     kristaps   55:                        const struct mdoc_node *,
1.96      kristaps   56:                        const struct mdoc_node *);
1.264     schwarze   57: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   58: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   59: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   60: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   61: static void      synopsis_pre(struct termp *,
1.143     kristaps   62:                        const struct mdoc_node *);
1.96      kristaps   63:
1.31      kristaps   64: static void      termp____post(DECL_ARGS);
1.203     kristaps   65: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   66: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   67: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   69: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_fo_post(DECL_ARGS);
                     71: static void      termp_in_post(DECL_ARGS);
                     72: static void      termp_it_post(DECL_ARGS);
                     73: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   74: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   75: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   76: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_sh_post(DECL_ARGS);
                     78: static void      termp_ss_post(DECL_ARGS);
                     79:
1.184     kristaps   80: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   81: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   82: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   83: static int       termp_ap_pre(DECL_ARGS);
                     84: static int       termp_bd_pre(DECL_ARGS);
                     85: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   86: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   87: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   88: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   89: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   90: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   91: static int       termp_cd_pre(DECL_ARGS);
                     92: static int       termp_d1_pre(DECL_ARGS);
                     93: static int       termp_ex_pre(DECL_ARGS);
                     94: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   95: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_fl_pre(DECL_ARGS);
                     97: static int       termp_fn_pre(DECL_ARGS);
                     98: static int       termp_fo_pre(DECL_ARGS);
                     99: static int       termp_ft_pre(DECL_ARGS);
                    100: static int       termp_in_pre(DECL_ARGS);
                    101: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  102: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  103: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_lk_pre(DECL_ARGS);
                    105: static int       termp_nd_pre(DECL_ARGS);
                    106: static int       termp_nm_pre(DECL_ARGS);
                    107: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  108: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  109: static int       termp_rs_pre(DECL_ARGS);
                    110: static int       termp_rv_pre(DECL_ARGS);
                    111: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  112: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  113: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  114: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  115: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  116: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  118: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_xr_pre(DECL_ARGS);
                    120: static int       termp_xx_pre(DECL_ARGS);
                    121:
1.70      kristaps  122: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  123:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  124:        { NULL, NULL }, /* Dd */
                    125:        { NULL, NULL }, /* Dt */
                    126:        { NULL, NULL }, /* Os */
                    127:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  128:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    129:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  130:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    131:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  132:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    133:        { NULL, NULL }, /* Ed */
1.115     kristaps  134:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  135:        { NULL, NULL }, /* El */
                    136:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  137:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  138:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  139:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  140:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  141:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  142:        { NULL, NULL }, /* Dv */
                    143:        { NULL, NULL }, /* Er */
                    144:        { NULL, NULL }, /* Ev */
1.1       kristaps  145:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  146:        { termp_fa_pre, NULL }, /* Fa */
                    147:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  148:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  149:        { termp_fn_pre, NULL }, /* Fn */
                    150:        { termp_ft_pre, NULL }, /* Ft */
                    151:        { termp_bold_pre, NULL }, /* Ic */
                    152:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  153:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  154:        { termp_nd_pre, NULL }, /* Nd */
                    155:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  156:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  157:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  158:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  159:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  160:        { NULL, NULL }, /* St */
1.69      kristaps  161:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  162:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  163:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  164:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  165:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  166:        { NULL, termp____post }, /* %D */
1.84      kristaps  167:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  168:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  169:        { NULL, termp____post }, /* %N */
                    170:        { NULL, termp____post }, /* %O */
                    171:        { NULL, termp____post }, /* %P */
                    172:        { NULL, termp____post }, /* %R */
1.203     kristaps  173:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  174:        { NULL, termp____post }, /* %V */
                    175:        { NULL, NULL }, /* Ac */
1.188     kristaps  176:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    177:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  178:        { NULL, NULL }, /* At */
1.1       kristaps  179:        { NULL, NULL }, /* Bc */
1.264     schwarze  180:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  181:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    182:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  183:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  184:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  185:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  186:        { NULL, NULL }, /* Dc */
1.188     kristaps  187:        { termp_quote_pre, termp_quote_post }, /* Do */
                    188:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  189:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  190:        { NULL, NULL }, /* Ef */
1.264     schwarze  191:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  192:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  193:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  194:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  195:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  196:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  197:        { termp_xx_pre, NULL }, /* Nx */
                    198:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  199:        { NULL, NULL }, /* Pc */
1.254     schwarze  200:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  201:        { termp_quote_pre, termp_quote_post }, /* Po */
                    202:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  203:        { NULL, NULL }, /* Qc */
1.188     kristaps  204:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    205:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    206:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  207:        { NULL, NULL }, /* Re */
                    208:        { termp_rs_pre, NULL }, /* Rs */
                    209:        { NULL, NULL }, /* Sc */
1.188     kristaps  210:        { termp_quote_pre, termp_quote_post }, /* So */
                    211:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  212:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  213:        { termp_under_pre, NULL }, /* Sx */
                    214:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  215:        { NULL, NULL }, /* Tn */
1.26      kristaps  216:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  217:        { NULL, NULL }, /* Xc */
                    218:        { NULL, NULL }, /* Xo */
1.264     schwarze  219:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    220:        { NULL, NULL }, /* Fc */
1.188     kristaps  221:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  222:        { NULL, NULL }, /* Oc */
1.159     schwarze  223:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  224:        { NULL, NULL }, /* Ek */
                    225:        { termp_bt_pre, NULL }, /* Bt */
                    226:        { NULL, NULL }, /* Hf */
1.268     schwarze  227:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  228:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  229:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  230:        { termp_sp_pre, NULL }, /* Lp */
                    231:        { termp_lk_pre, NULL }, /* Lk */
                    232:        { termp_under_pre, NULL }, /* Mt */
                    233:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    234:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    235:        { NULL, NULL }, /* Brc */
                    236:        { NULL, termp____post }, /* %C */
1.294     schwarze  237:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  238:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  239:        { termp_xx_pre, NULL }, /* Dx */
                    240:        { NULL, termp____post }, /* %Q */
1.76      kristaps  241:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  242:        { termp_sp_pre, NULL }, /* sp */
                    243:        { NULL, termp____post }, /* %U */
                    244:        { NULL, NULL }, /* Ta */
1.260     schwarze  245:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  246: };
                    247:
                    248:
1.70      kristaps  249: void
1.89      kristaps  250: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  251: {
1.245     schwarze  252:        const struct mdoc_meta  *meta;
1.281     schwarze  253:        struct mdoc_node        *n;
1.89      kristaps  254:        struct termp            *p;
                    255:
                    256:        p = (struct termp *)arg;
1.111     kristaps  257:
                    258:        p->overstep = 0;
1.281     schwarze  259:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  260:        p->tabwidth = term_len(p, 5);
1.70      kristaps  261:
1.281     schwarze  262:        n = mdoc_node(mdoc)->child;
1.245     schwarze  263:        meta = mdoc_meta(mdoc);
1.146     schwarze  264:
1.281     schwarze  265:        if (p->synopsisonly) {
                    266:                while (n != NULL) {
                    267:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    268:                                if (n->child->next->child != NULL)
                    269:                                        print_mdoc_nodelist(p, NULL,
                    270:                                            meta, n->child->next->child);
                    271:                                term_newln(p);
                    272:                                break;
                    273:                        }
                    274:                        n = n->next;
                    275:                }
                    276:        } else {
                    277:                if (p->defindent == 0)
                    278:                        p->defindent = 5;
                    279:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    280:                if (n != NULL) {
                    281:                        if (n->tok != MDOC_Sh)
                    282:                                term_vspace(p);
                    283:                        print_mdoc_nodelist(p, NULL, meta, n);
                    284:                }
                    285:                term_end(p);
1.271     schwarze  286:        }
1.1       kristaps  287: }
                    288:
1.3       kristaps  289: static void
1.102     kristaps  290: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  291: {
                    292:
1.245     schwarze  293:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  294:        if (n->next)
1.245     schwarze  295:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  296: }
                    297:
1.3       kristaps  298: static void
1.102     kristaps  299: print_mdoc_node(DECL_ARGS)
1.1       kristaps  300: {
1.102     kristaps  301:        int              chld;
1.1       kristaps  302:        struct termpair  npair;
1.30      kristaps  303:        size_t           offset, rmargin;
1.1       kristaps  304:
1.70      kristaps  305:        chld = 1;
1.29      kristaps  306:        offset = p->offset;
1.30      kristaps  307:        rmargin = p->rmargin;
1.244     schwarze  308:        n->prev_font = term_fontq(p);
1.29      kristaps  309:
1.97      kristaps  310:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  311:        npair.ppair = pair;
1.172     kristaps  312:
                    313:        /*
                    314:         * Keeps only work until the end of a line.  If a keep was
                    315:         * invoked in a prior line, revert it to PREKEEP.
                    316:         */
                    317:
1.253     schwarze  318:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  319:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  320:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  321:                        p->flags &= ~TERMP_KEEP;
                    322:                        p->flags |= TERMP_PREKEEP;
                    323:                }
                    324:        }
1.197     schwarze  325:
                    326:        /*
1.217     schwarze  327:         * After the keep flags have been set up, we may now
                    328:         * produce output.  Note that some pre-handlers do so.
                    329:         */
                    330:
                    331:        switch (n->type) {
1.264     schwarze  332:        case MDOC_TEXT:
1.217     schwarze  333:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    334:                        term_newln(p);
1.222     kristaps  335:                if (MDOC_DELIMC & n->flags)
                    336:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  337:                term_word(p, n->string);
1.222     kristaps  338:                if (MDOC_DELIMO & n->flags)
                    339:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  340:                break;
1.264     schwarze  341:        case MDOC_EQN:
1.284     schwarze  342:                if ( ! (n->flags & MDOC_LINE))
                    343:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  344:                term_eqn(p, n->eqn);
1.286     schwarze  345:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  346:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  347:                break;
1.264     schwarze  348:        case MDOC_TBL:
1.217     schwarze  349:                term_tbl(p, n->span);
                    350:                break;
                    351:        default:
1.295     schwarze  352:                if (termacts[n->tok].pre &&
                    353:                    (n->end == ENDBODY_NOT || n->nchild))
1.217     schwarze  354:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  355:                                (p, &npair, meta, n);
1.217     schwarze  356:                break;
                    357:        }
                    358:
1.86      kristaps  359:        if (chld && n->child)
1.245     schwarze  360:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  361:
1.244     schwarze  362:        term_fontpopq(p,
                    363:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  364:
1.206     kristaps  365:        switch (n->type) {
1.264     schwarze  366:        case MDOC_TEXT:
1.206     kristaps  367:                break;
1.264     schwarze  368:        case MDOC_TBL:
1.216     kristaps  369:                break;
1.264     schwarze  370:        case MDOC_EQN:
1.206     kristaps  371:                break;
                    372:        default:
                    373:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    374:                        break;
1.245     schwarze  375:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  376:
                    377:                /*
                    378:                 * Explicit end tokens not only call the post
                    379:                 * handler, but also tell the respective block
                    380:                 * that it must not call the post handler again.
                    381:                 */
1.165     kristaps  382:                if (ENDBODY_NOT != n->end)
1.162     schwarze  383:                        n->pending->flags |= MDOC_ENDED;
                    384:
                    385:                /*
                    386:                 * End of line terminating an implicit block
                    387:                 * while an explicit block is still open.
                    388:                 * Continue the explicit block without spacing.
                    389:                 */
                    390:                if (ENDBODY_NOSPACE == n->end)
                    391:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  392:                break;
1.162     schwarze  393:        }
1.121     kristaps  394:
                    395:        if (MDOC_EOS & n->flags)
                    396:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  397:
1.260     schwarze  398:        if (MDOC_ll != n->tok) {
                    399:                p->offset = offset;
                    400:                p->rmargin = rmargin;
                    401:        }
1.1       kristaps  402: }
                    403:
1.3       kristaps  404: static void
1.145     kristaps  405: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  406: {
1.245     schwarze  407:        const struct mdoc_meta *meta;
1.292     schwarze  408:        size_t sz;
1.144     kristaps  409:
1.245     schwarze  410:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  411:
1.102     kristaps  412:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  413:
1.264     schwarze  414:        /*
1.9       kristaps  415:         * Output the footer in new-groff style, that is, three columns
                    416:         * with the middle being the manual date and flanking columns
                    417:         * being the operating system:
                    418:         *
                    419:         * SYSTEM                  DATE                    SYSTEM
                    420:         */
                    421:
1.1       kristaps  422:        term_vspace(p);
                    423:
1.9       kristaps  424:        p->offset = 0;
1.292     schwarze  425:        sz = term_strlen(p, meta->date);
                    426:        p->rmargin = p->maxrmargin > sz ?
                    427:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  428:        p->trailspace = 1;
1.1       kristaps  429:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    430:
1.245     schwarze  431:        term_word(p, meta->os);
1.1       kristaps  432:        term_flushln(p);
                    433:
1.9       kristaps  434:        p->offset = p->rmargin;
1.292     schwarze  435:        sz = term_strlen(p, meta->os);
                    436:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  437:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  438:
1.245     schwarze  439:        term_word(p, meta->date);
1.9       kristaps  440:        term_flushln(p);
                    441:
1.1       kristaps  442:        p->offset = p->rmargin;
                    443:        p->rmargin = p->maxrmargin;
1.250     schwarze  444:        p->trailspace = 0;
1.1       kristaps  445:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  446:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  447:
1.245     schwarze  448:        term_word(p, meta->os);
1.1       kristaps  449:        term_flushln(p);
                    450:
1.9       kristaps  451:        p->offset = 0;
                    452:        p->rmargin = p->maxrmargin;
                    453:        p->flags = 0;
1.1       kristaps  454: }
                    455:
1.3       kristaps  456: static void
1.144     kristaps  457: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  458: {
1.266     schwarze  459:        const struct mdoc_meta  *meta;
1.267     schwarze  460:        char                    *volume, *title;
                    461:        size_t                   vollen, titlen;
1.144     kristaps  462:
1.245     schwarze  463:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  464:
                    465:        /*
                    466:         * The header is strange.  It has three components, which are
                    467:         * really two with the first duplicated.  It goes like this:
                    468:         *
                    469:         * IDENTIFIER              TITLE                   IDENTIFIER
                    470:         *
                    471:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    472:         * (if given, or "unknown" if not) followed by the manual page
                    473:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    474:         * string depending on the manual volume.  If not specified, it
                    475:         * switches on the manual section.
                    476:         */
1.235     schwarze  477:
1.245     schwarze  478:        assert(meta->vol);
1.267     schwarze  479:        if (NULL == meta->arch)
                    480:                volume = mandoc_strdup(meta->vol);
                    481:        else
                    482:                mandoc_asprintf(&volume, "%s (%s)",
                    483:                    meta->vol, meta->arch);
                    484:        vollen = term_strlen(p, volume);
1.1       kristaps  485:
1.275     schwarze  486:        if (NULL == meta->msec)
                    487:                title = mandoc_strdup(meta->title);
                    488:        else
                    489:                mandoc_asprintf(&title, "%s(%s)",
                    490:                    meta->title, meta->msec);
1.235     schwarze  491:        titlen = term_strlen(p, title);
1.1       kristaps  492:
1.235     schwarze  493:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  494:        p->trailspace = 1;
1.1       kristaps  495:        p->offset = 0;
1.267     schwarze  496:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    497:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  498:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  499:
                    500:        term_word(p, title);
                    501:        term_flushln(p);
                    502:
1.235     schwarze  503:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  504:        p->offset = p->rmargin;
1.267     schwarze  505:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  506:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  507:
1.267     schwarze  508:        term_word(p, volume);
1.1       kristaps  509:        term_flushln(p);
                    510:
                    511:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  512:        p->trailspace = 0;
1.235     schwarze  513:        if (p->rmargin + titlen <= p->maxrmargin) {
                    514:                p->flags |= TERMP_NOSPACE;
                    515:                p->offset = p->rmargin;
                    516:                p->rmargin = p->maxrmargin;
                    517:                term_word(p, title);
                    518:                term_flushln(p);
                    519:        }
1.1       kristaps  520:
1.235     schwarze  521:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  522:        p->offset = 0;
1.1       kristaps  523:        p->rmargin = p->maxrmargin;
1.266     schwarze  524:        free(title);
1.267     schwarze  525:        free(volume);
1.1       kristaps  526: }
                    527:
                    528: static size_t
1.157     kristaps  529: a2width(const struct termp *p, const char *v)
1.91      kristaps  530: {
1.92      kristaps  531:        struct roffsu    su;
1.1       kristaps  532:
1.300     schwarze  533:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  534:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  535:                su.scale /= term_strlen(p, "0");
1.301   ! schwarze  536:        } else if (su.scale < 0.0)
        !           537:                su.scale = 0.0;
1.1       kristaps  538:
1.157     kristaps  539:        return(term_hspan(p, &su));
1.1       kristaps  540: }
                    541:
1.108     kristaps  542: /*
                    543:  * Determine how much space to print out before block elements of `It'
                    544:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    545:  * too.
                    546:  */
1.54      kristaps  547: static void
1.264     schwarze  548: print_bvspace(struct termp *p,
                    549:        const struct mdoc_node *bl,
                    550:        const struct mdoc_node *n)
1.1       kristaps  551: {
1.86      kristaps  552:        const struct mdoc_node  *nn;
1.236     schwarze  553:
                    554:        assert(n);
1.1       kristaps  555:
                    556:        term_newln(p);
1.150     kristaps  557:
1.202     kristaps  558:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  559:                return;
1.202     kristaps  560:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  561:                return;
                    562:
1.85      kristaps  563:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  564:
1.289     schwarze  565:        nn = n;
                    566:        while (nn->prev == NULL) {
                    567:                do {
                    568:                        nn = nn->parent;
                    569:                        if (nn->type == MDOC_ROOT)
                    570:                                return;
                    571:                } while (nn->type != MDOC_BLOCK);
                    572:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  573:                        return;
1.289     schwarze  574:                if (nn->tok == MDOC_It &&
                    575:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    576:                        break;
1.1       kristaps  577:        }
                    578:
1.85      kristaps  579:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  580:
1.202     kristaps  581:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  582:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  583:                        return;
                    584:
1.85      kristaps  585:        /* A `-diag' without body does not vspace. */
                    586:
1.202     kristaps  587:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  588:                if (n->prev && MDOC_It == n->prev->tok) {
                    589:                        assert(n->prev->body);
                    590:                        if (NULL == n->prev->body->child)
1.55      kristaps  591:                                return;
                    592:                }
                    593:
1.54      kristaps  594:        term_vspace(p);
1.260     schwarze  595: }
                    596:
                    597:
                    598: static int
                    599: termp_ll_pre(DECL_ARGS)
                    600: {
                    601:
1.261     schwarze  602:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  603:        return(0);
1.1       kristaps  604: }
                    605:
                    606: static int
                    607: termp_it_pre(DECL_ARGS)
                    608: {
1.86      kristaps  609:        const struct mdoc_node *bl, *nn;
1.265     schwarze  610:        char                    buf[24];
1.264     schwarze  611:        int                     i;
                    612:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  613:        enum mdoc_list          type;
1.1       kristaps  614:
1.86      kristaps  615:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  616:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  617:                return(1);
                    618:        }
1.1       kristaps  619:
1.86      kristaps  620:        bl = n->parent->parent->parent;
1.202     kristaps  621:        type = bl->norm->Bl.type;
1.1       kristaps  622:
1.264     schwarze  623:        /*
1.108     kristaps  624:         * First calculate width and offset.  This is pretty easy unless
                    625:         * we're a -column list, in which case all prior columns must
                    626:         * be accounted for.
                    627:         */
                    628:
                    629:        width = offset = 0;
                    630:
1.202     kristaps  631:        if (bl->norm->Bl.offs)
1.288     schwarze  632:                offset = a2width(p, bl->norm->Bl.offs);
1.152     kristaps  633:
1.1       kristaps  634:        switch (type) {
1.264     schwarze  635:        case LIST_column:
1.134     kristaps  636:                if (MDOC_HEAD == n->type)
1.1       kristaps  637:                        break;
1.155     kristaps  638:
1.105     kristaps  639:                /*
1.108     kristaps  640:                 * Imitate groff's column handling:
                    641:                 * - For each earlier column, add its width.
                    642:                 * - For less than 5 columns, add four more blanks per
                    643:                 *   column.
                    644:                 * - For exactly 5 columns, add three more blank per
                    645:                 *   column.
                    646:                 * - For more than 5 columns, add only one column.
1.105     kristaps  647:                 */
1.202     kristaps  648:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  649:                dcol = ncols < 5 ? term_len(p, 4) :
                    650:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  651:
1.134     kristaps  652:                /*
                    653:                 * Calculate the offset by applying all prior MDOC_BODY,
                    654:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    655:                 */
                    656:
1.264     schwarze  657:                for (i = 0, nn = n->prev;
                    658:                    nn->prev && i < (int)ncols;
                    659:                    nn = nn->prev, i++)
                    660:                        offset += dcol + a2width(p,
                    661:                            bl->norm->Bl.cols[i]);
1.105     kristaps  662:
                    663:                /*
1.108     kristaps  664:                 * When exceeding the declared number of columns, leave
                    665:                 * the remaining widths at 0.  This will later be
                    666:                 * adjusted to the default width of 10, or, for the last
                    667:                 * column, stretched to the right margin.
1.58      kristaps  668:                 */
1.108     kristaps  669:                if (i >= (int)ncols)
                    670:                        break;
1.58      kristaps  671:
1.105     kristaps  672:                /*
1.108     kristaps  673:                 * Use the declared column widths, extended as explained
                    674:                 * in the preceding paragraph.
1.105     kristaps  675:                 */
1.202     kristaps  676:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  677:                break;
                    678:        default:
1.202     kristaps  679:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  680:                        break;
                    681:
1.264     schwarze  682:                /*
1.108     kristaps  683:                 * Note: buffer the width by 2, which is groff's magic
                    684:                 * number for buffering single arguments.  See the above
                    685:                 * handling for column for how this changes.
                    686:                 */
1.202     kristaps  687:                assert(bl->norm->Bl.width);
                    688:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  689:                break;
                    690:        }
                    691:
1.264     schwarze  692:        /*
1.1       kristaps  693:         * List-type can override the width in the case of fixed-head
                    694:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  695:         * offset.
1.1       kristaps  696:         */
                    697:
                    698:        switch (type) {
1.264     schwarze  699:        case LIST_bullet:
1.1       kristaps  700:                /* FALLTHROUGH */
1.264     schwarze  701:        case LIST_dash:
1.1       kristaps  702:                /* FALLTHROUGH */
1.264     schwarze  703:        case LIST_hyphen:
1.242     schwarze  704:                /* FALLTHROUGH */
1.264     schwarze  705:        case LIST_enum:
1.242     schwarze  706:                if (width < term_len(p, 2))
                    707:                        width = term_len(p, 2);
1.17      kristaps  708:                break;
1.264     schwarze  709:        case LIST_hang:
1.39      kristaps  710:                if (0 == width)
1.157     kristaps  711:                        width = term_len(p, 8);
1.39      kristaps  712:                break;
1.264     schwarze  713:        case LIST_column:
1.49      kristaps  714:                /* FALLTHROUGH */
1.264     schwarze  715:        case LIST_tag:
1.1       kristaps  716:                if (0 == width)
1.157     kristaps  717:                        width = term_len(p, 10);
1.1       kristaps  718:                break;
                    719:        default:
                    720:                break;
                    721:        }
                    722:
1.264     schwarze  723:        /*
1.17      kristaps  724:         * Whitespace control.  Inset bodies need an initial space,
                    725:         * while diagonal bodies need two.
1.1       kristaps  726:         */
                    727:
1.51      kristaps  728:        p->flags |= TERMP_NOSPACE;
                    729:
1.1       kristaps  730:        switch (type) {
1.264     schwarze  731:        case LIST_diag:
1.86      kristaps  732:                if (MDOC_BODY == n->type)
1.62      kristaps  733:                        term_word(p, "\\ \\ ");
1.51      kristaps  734:                break;
1.264     schwarze  735:        case LIST_inset:
1.270     schwarze  736:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  737:                        term_word(p, "\\ ");
1.1       kristaps  738:                break;
                    739:        default:
                    740:                break;
                    741:        }
                    742:
1.51      kristaps  743:        p->flags |= TERMP_NOSPACE;
                    744:
1.1       kristaps  745:        switch (type) {
1.264     schwarze  746:        case LIST_diag:
1.86      kristaps  747:                if (MDOC_HEAD == n->type)
1.102     kristaps  748:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  749:                break;
                    750:        default:
                    751:                break;
                    752:        }
                    753:
                    754:        /*
1.109     kristaps  755:         * Pad and break control.  This is the tricky part.  These flags
                    756:         * are documented in term_flushln() in term.c.  Note that we're
                    757:         * going to unset all of these flags in termp_it_post() when we
                    758:         * exit.
1.1       kristaps  759:         */
                    760:
                    761:        switch (type) {
1.264     schwarze  762:        case LIST_enum:
1.242     schwarze  763:                /*
                    764:                 * Weird special case.
                    765:                 * Very narrow enum lists actually hang.
                    766:                 */
                    767:                if (width == term_len(p, 2))
                    768:                        p->flags |= TERMP_HANG;
                    769:                /* FALLTHROUGH */
1.264     schwarze  770:        case LIST_bullet:
1.1       kristaps  771:                /* FALLTHROUGH */
1.264     schwarze  772:        case LIST_dash:
1.1       kristaps  773:                /* FALLTHROUGH */
1.264     schwarze  774:        case LIST_hyphen:
1.250     schwarze  775:                if (MDOC_HEAD != n->type)
                    776:                        break;
                    777:                p->flags |= TERMP_NOBREAK;
                    778:                p->trailspace = 1;
1.39      kristaps  779:                break;
1.264     schwarze  780:        case LIST_hang:
1.250     schwarze  781:                if (MDOC_HEAD != n->type)
1.59      kristaps  782:                        break;
                    783:
                    784:                /*
                    785:                 * This is ugly.  If `-hang' is specified and the body
                    786:                 * is a `Bl' or `Bd', then we want basically to nullify
                    787:                 * the "overstep" effect in term_flushln() and treat
                    788:                 * this as a `-ohang' list instead.
                    789:                 */
1.279     schwarze  790:                if (NULL != n->next &&
1.278     schwarze  791:                    NULL != n->next->child &&
                    792:                    (MDOC_Bl == n->next->child->tok ||
                    793:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  794:                        break;
                    795:
1.263     schwarze  796:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  797:                p->trailspace = 1;
1.39      kristaps  798:                break;
1.264     schwarze  799:        case LIST_tag:
1.86      kristaps  800:                if (MDOC_HEAD != n->type)
1.39      kristaps  801:                        break;
1.250     schwarze  802:
1.263     schwarze  803:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  804:                p->trailspace = 2;
                    805:
1.86      kristaps  806:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  807:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  808:                break;
1.264     schwarze  809:        case LIST_column:
1.134     kristaps  810:                if (MDOC_HEAD == n->type)
                    811:                        break;
                    812:
1.250     schwarze  813:                if (NULL == n->next) {
1.134     kristaps  814:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  815:                        p->trailspace = 0;
                    816:                } else {
1.134     kristaps  817:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  818:                        p->trailspace = 1;
                    819:                }
1.134     kristaps  820:
1.1       kristaps  821:                break;
1.264     schwarze  822:        case LIST_diag:
1.250     schwarze  823:                if (MDOC_HEAD != n->type)
                    824:                        break;
1.263     schwarze  825:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  826:                p->trailspace = 1;
1.1       kristaps  827:                break;
                    828:        default:
                    829:                break;
                    830:        }
                    831:
1.264     schwarze  832:        /*
1.1       kristaps  833:         * Margin control.  Set-head-width lists have their right
                    834:         * margins shortened.  The body for these lists has the offset
                    835:         * necessarily lengthened.  Everybody gets the offset.
                    836:         */
                    837:
                    838:        p->offset += offset;
                    839:
                    840:        switch (type) {
1.264     schwarze  841:        case LIST_hang:
1.59      kristaps  842:                /*
                    843:                 * Same stipulation as above, regarding `-hang'.  We
                    844:                 * don't want to recalculate rmargin and offsets when
                    845:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    846:                 */
1.279     schwarze  847:                if (MDOC_HEAD == n->type &&
                    848:                    NULL != n->next &&
1.278     schwarze  849:                    NULL != n->next->child &&
                    850:                    (MDOC_Bl == n->next->child->tok ||
                    851:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  852:                        break;
                    853:                /* FALLTHROUGH */
1.264     schwarze  854:        case LIST_bullet:
1.1       kristaps  855:                /* FALLTHROUGH */
1.264     schwarze  856:        case LIST_dash:
1.1       kristaps  857:                /* FALLTHROUGH */
1.264     schwarze  858:        case LIST_enum:
1.1       kristaps  859:                /* FALLTHROUGH */
1.264     schwarze  860:        case LIST_hyphen:
1.1       kristaps  861:                /* FALLTHROUGH */
1.264     schwarze  862:        case LIST_tag:
1.49      kristaps  863:                assert(width);
1.86      kristaps  864:                if (MDOC_HEAD == n->type)
1.1       kristaps  865:                        p->rmargin = p->offset + width;
1.292     schwarze  866:                else
1.1       kristaps  867:                        p->offset += width;
                    868:                break;
1.264     schwarze  869:        case LIST_column:
1.49      kristaps  870:                assert(width);
1.1       kristaps  871:                p->rmargin = p->offset + width;
1.264     schwarze  872:                /*
1.50      kristaps  873:                 * XXX - this behaviour is not documented: the
                    874:                 * right-most column is filled to the right margin.
                    875:                 */
1.134     kristaps  876:                if (MDOC_HEAD == n->type)
                    877:                        break;
                    878:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  879:                        p->rmargin = p->maxrmargin;
1.1       kristaps  880:                break;
                    881:        default:
                    882:                break;
                    883:        }
                    884:
1.264     schwarze  885:        /*
1.1       kristaps  886:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  887:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  888:         */
                    889:
1.86      kristaps  890:        if (MDOC_HEAD == n->type)
1.1       kristaps  891:                switch (type) {
1.264     schwarze  892:                case LIST_bullet:
1.102     kristaps  893:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  894:                        term_word(p, "\\[bu]");
1.102     kristaps  895:                        term_fontpop(p);
1.1       kristaps  896:                        break;
1.264     schwarze  897:                case LIST_dash:
1.1       kristaps  898:                        /* FALLTHROUGH */
1.264     schwarze  899:                case LIST_hyphen:
1.102     kristaps  900:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  901:                        term_word(p, "\\(hy");
1.102     kristaps  902:                        term_fontpop(p);
1.1       kristaps  903:                        break;
1.264     schwarze  904:                case LIST_enum:
1.1       kristaps  905:                        (pair->ppair->ppair->count)++;
1.265     schwarze  906:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  907:                            pair->ppair->ppair->count);
1.1       kristaps  908:                        term_word(p, buf);
                    909:                        break;
                    910:                default:
                    911:                        break;
                    912:                }
                    913:
1.264     schwarze  914:        /*
1.1       kristaps  915:         * If we're not going to process our children, indicate so here.
                    916:         */
                    917:
                    918:        switch (type) {
1.264     schwarze  919:        case LIST_bullet:
1.1       kristaps  920:                /* FALLTHROUGH */
1.264     schwarze  921:        case LIST_item:
1.1       kristaps  922:                /* FALLTHROUGH */
1.264     schwarze  923:        case LIST_dash:
1.1       kristaps  924:                /* FALLTHROUGH */
1.264     schwarze  925:        case LIST_hyphen:
1.1       kristaps  926:                /* FALLTHROUGH */
1.264     schwarze  927:        case LIST_enum:
1.86      kristaps  928:                if (MDOC_HEAD == n->type)
1.1       kristaps  929:                        return(0);
                    930:                break;
1.264     schwarze  931:        case LIST_column:
1.134     kristaps  932:                if (MDOC_HEAD == n->type)
1.1       kristaps  933:                        return(0);
                    934:                break;
                    935:        default:
                    936:                break;
                    937:        }
                    938:
                    939:        return(1);
                    940: }
                    941:
                    942: static void
                    943: termp_it_post(DECL_ARGS)
                    944: {
1.126     kristaps  945:        enum mdoc_list     type;
1.1       kristaps  946:
1.109     kristaps  947:        if (MDOC_BLOCK == n->type)
1.1       kristaps  948:                return;
                    949:
1.202     kristaps  950:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  951:
                    952:        switch (type) {
1.264     schwarze  953:        case LIST_item:
1.1       kristaps  954:                /* FALLTHROUGH */
1.264     schwarze  955:        case LIST_diag:
1.53      kristaps  956:                /* FALLTHROUGH */
1.264     schwarze  957:        case LIST_inset:
1.86      kristaps  958:                if (MDOC_BODY == n->type)
1.130     schwarze  959:                        term_newln(p);
1.1       kristaps  960:                break;
1.264     schwarze  961:        case LIST_column:
1.134     kristaps  962:                if (MDOC_BODY == n->type)
1.1       kristaps  963:                        term_flushln(p);
                    964:                break;
                    965:        default:
1.130     schwarze  966:                term_newln(p);
1.1       kristaps  967:                break;
                    968:        }
                    969:
1.264     schwarze  970:        /*
1.109     kristaps  971:         * Now that our output is flushed, we can reset our tags.  Since
                    972:         * only `It' sets these flags, we're free to assume that nobody
                    973:         * has munged them in the meanwhile.
                    974:         */
                    975:
1.263     schwarze  976:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                    977:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  978:        p->trailspace = 0;
1.1       kristaps  979: }
                    980:
                    981: static int
                    982: termp_nm_pre(DECL_ARGS)
                    983: {
1.296     schwarze  984:        const char      *cp;
1.1       kristaps  985:
1.253     schwarze  986:        if (MDOC_BLOCK == n->type) {
                    987:                p->flags |= TERMP_PREKEEP;
1.164     schwarze  988:                return(1);
1.253     schwarze  989:        }
1.164     schwarze  990:
                    991:        if (MDOC_BODY == n->type) {
                    992:                if (NULL == n->child)
                    993:                        return(0);
1.234     schwarze  994:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  995:                cp = NULL;
                    996:                if (n->prev->child != NULL)
                    997:                    cp = n->prev->child->string;
                    998:                if (cp == NULL)
                    999:                        cp = meta->name;
                   1000:                if (cp == NULL)
                   1001:                        p->offset += term_len(p, 6);
                   1002:                else
                   1003:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.164     schwarze 1004:                return(1);
                   1005:        }
                   1006:
1.245     schwarze 1007:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1008:                return(0);
1.125     kristaps 1009:
1.177     schwarze 1010:        if (MDOC_HEAD == n->type)
                   1011:                synopsis_pre(p, n->parent);
1.102     kristaps 1012:
1.279     schwarze 1013:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1014:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1015:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1016:                p->trailspace = 1;
1.185     schwarze 1017:                p->rmargin = p->offset + term_len(p, 1);
                   1018:                if (NULL == n->child) {
1.245     schwarze 1019:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1020:                } else if (MDOC_TEXT == n->child->type) {
                   1021:                        p->rmargin += term_strlen(p, n->child->string);
                   1022:                        if (n->child->next)
                   1023:                                p->flags |= TERMP_HANG;
                   1024:                } else {
                   1025:                        p->rmargin += term_len(p, 5);
                   1026:                        p->flags |= TERMP_HANG;
                   1027:                }
1.164     schwarze 1028:        }
                   1029:
1.102     kristaps 1030:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1031:        if (NULL == n->child)
1.245     schwarze 1032:                term_word(p, meta->name);
1.1       kristaps 1033:        return(1);
                   1034: }
                   1035:
1.164     schwarze 1036: static void
                   1037: termp_nm_post(DECL_ARGS)
                   1038: {
                   1039:
1.253     schwarze 1040:        if (MDOC_BLOCK == n->type) {
                   1041:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1042:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1043:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1044:                term_flushln(p);
1.263     schwarze 1045:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1046:                p->trailspace = 0;
1.234     schwarze 1047:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1048:                term_flushln(p);
                   1049: }
                   1050:
1.1       kristaps 1051: static int
                   1052: termp_fl_pre(DECL_ARGS)
                   1053: {
                   1054:
1.102     kristaps 1055:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1056:        term_word(p, "\\-");
1.103     kristaps 1057:
1.280     schwarze 1058:        if ( ! (n->nchild == 0 &&
                   1059:            (n->next == NULL ||
                   1060:             n->next->type == MDOC_TEXT ||
                   1061:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1062:                p->flags |= TERMP_NOSPACE;
                   1063:
1.1       kristaps 1064:        return(1);
                   1065: }
                   1066:
                   1067: static int
1.184     kristaps 1068: termp__a_pre(DECL_ARGS)
                   1069: {
                   1070:
                   1071:        if (n->prev && MDOC__A == n->prev->tok)
                   1072:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1073:                        term_word(p, "and");
                   1074:
                   1075:        return(1);
                   1076: }
                   1077:
                   1078: static int
1.61      kristaps 1079: termp_an_pre(DECL_ARGS)
                   1080: {
                   1081:
1.282     schwarze 1082:        if (n->norm->An.auth == AUTH_split) {
                   1083:                p->flags &= ~TERMP_NOSPLIT;
                   1084:                p->flags |= TERMP_SPLIT;
                   1085:                return(0);
                   1086:        }
                   1087:        if (n->norm->An.auth == AUTH_nosplit) {
                   1088:                p->flags &= ~TERMP_SPLIT;
                   1089:                p->flags |= TERMP_NOSPLIT;
                   1090:                return(0);
                   1091:        }
1.61      kristaps 1092:
1.282     schwarze 1093:        if (n->child == NULL)
                   1094:                return(0);
1.264     schwarze 1095:
1.282     schwarze 1096:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1097:                term_newln(p);
                   1098:
1.282     schwarze 1099:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1100:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1101:
                   1102:        return(1);
                   1103: }
                   1104:
                   1105: static int
1.1       kristaps 1106: termp_ns_pre(DECL_ARGS)
                   1107: {
                   1108:
1.215     kristaps 1109:        if ( ! (MDOC_LINE & n->flags))
                   1110:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1111:        return(1);
                   1112: }
                   1113:
                   1114: static int
                   1115: termp_rs_pre(DECL_ARGS)
                   1116: {
                   1117:
1.86      kristaps 1118:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1119:                return(1);
1.86      kristaps 1120:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1121:                term_vspace(p);
                   1122:        return(1);
                   1123: }
                   1124:
                   1125: static int
                   1126: termp_rv_pre(DECL_ARGS)
                   1127: {
1.223     kristaps 1128:        int              nchild;
1.1       kristaps 1129:
                   1130:        term_newln(p);
                   1131:
1.223     kristaps 1132:        nchild = n->nchild;
1.273     schwarze 1133:        if (nchild > 0) {
                   1134:                term_word(p, "The");
1.224     kristaps 1135:
1.273     schwarze 1136:                for (n = n->child; n; n = n->next) {
                   1137:                        term_fontpush(p, TERMFONT_BOLD);
                   1138:                        term_word(p, n->string);
                   1139:                        term_fontpop(p);
1.223     kristaps 1140:
                   1141:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1142:                        term_word(p, "()");
                   1143:
                   1144:                        if (n->next == NULL)
                   1145:                                continue;
                   1146:
                   1147:                        if (nchild > 2) {
                   1148:                                p->flags |= TERMP_NOSPACE;
                   1149:                                term_word(p, ",");
                   1150:                        }
                   1151:                        if (n->next->next == NULL)
                   1152:                                term_word(p, "and");
1.223     kristaps 1153:                }
                   1154:
1.273     schwarze 1155:                if (nchild > 1)
                   1156:                        term_word(p, "functions return");
                   1157:                else
                   1158:                        term_word(p, "function returns");
                   1159:
                   1160:                term_word(p, "the value\\~0 if successful;");
                   1161:        } else
                   1162:                term_word(p, "Upon successful completion,"
                   1163:                    " the value\\~0 is returned;");
1.1       kristaps 1164:
1.273     schwarze 1165:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1166:            " and the global variable");
1.1       kristaps 1167:
1.102     kristaps 1168:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1169:        term_word(p, "errno");
1.102     kristaps 1170:        term_fontpop(p);
1.1       kristaps 1171:
1.264     schwarze 1172:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1173:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1174:
1.68      kristaps 1175:        return(0);
1.1       kristaps 1176: }
                   1177:
                   1178: static int
                   1179: termp_ex_pre(DECL_ARGS)
                   1180: {
1.224     kristaps 1181:        int              nchild;
1.1       kristaps 1182:
1.224     kristaps 1183:        term_newln(p);
1.68      kristaps 1184:        term_word(p, "The");
1.1       kristaps 1185:
1.224     kristaps 1186:        nchild = n->nchild;
                   1187:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1188:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1189:                term_word(p, n->string);
1.102     kristaps 1190:                term_fontpop(p);
1.224     kristaps 1191:
                   1192:                if (nchild > 2 && n->next) {
                   1193:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1194:                        term_word(p, ",");
1.224     kristaps 1195:                }
                   1196:
                   1197:                if (n->next && NULL == n->next->next)
                   1198:                        term_word(p, "and");
1.68      kristaps 1199:        }
                   1200:
1.224     kristaps 1201:        if (nchild > 1)
1.273     schwarze 1202:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1203:        else
1.273     schwarze 1204:                term_word(p, "utility exits\\~0");
1.68      kristaps 1205:
1.273     schwarze 1206:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1207:
1.131     kristaps 1208:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1209:        return(0);
1.1       kristaps 1210: }
                   1211:
                   1212: static int
                   1213: termp_nd_pre(DECL_ARGS)
                   1214: {
1.25      kristaps 1215:
1.297     schwarze 1216:        if (n->type == MDOC_BODY)
                   1217:                term_word(p, "\\(en");
1.1       kristaps 1218:        return(1);
1.115     kristaps 1219: }
                   1220:
                   1221: static int
                   1222: termp_bl_pre(DECL_ARGS)
                   1223: {
                   1224:
                   1225:        return(MDOC_HEAD != n->type);
1.1       kristaps 1226: }
                   1227:
                   1228: static void
                   1229: termp_bl_post(DECL_ARGS)
                   1230: {
                   1231:
1.86      kristaps 1232:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1233:                term_newln(p);
                   1234: }
                   1235:
                   1236: static int
                   1237: termp_xr_pre(DECL_ARGS)
                   1238: {
                   1239:
1.225     kristaps 1240:        if (NULL == (n = n->child))
1.113     kristaps 1241:                return(0);
                   1242:
1.225     kristaps 1243:        assert(MDOC_TEXT == n->type);
                   1244:        term_word(p, n->string);
1.11      kristaps 1245:
1.264     schwarze 1246:        if (NULL == (n = n->next))
1.1       kristaps 1247:                return(0);
1.225     kristaps 1248:
1.1       kristaps 1249:        p->flags |= TERMP_NOSPACE;
                   1250:        term_word(p, "(");
1.222     kristaps 1251:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1252:
                   1253:        assert(MDOC_TEXT == n->type);
                   1254:        term_word(p, n->string);
                   1255:
1.222     kristaps 1256:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1257:        term_word(p, ")");
1.86      kristaps 1258:
1.1       kristaps 1259:        return(0);
                   1260: }
                   1261:
1.143     kristaps 1262: /*
                   1263:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1264:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1265:  * macro combos).
                   1266:  */
                   1267: static void
                   1268: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1269: {
1.264     schwarze 1270:        /*
1.143     kristaps 1271:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1272:         * exist, do nothing.
                   1273:         */
1.160     kristaps 1274:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1275:                return;
                   1276:
                   1277:        /*
                   1278:         * If we're the second in a pair of like elements, emit our
                   1279:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1280:         * case we soldier on.
                   1281:         */
1.264     schwarze 1282:        if (n->prev->tok == n->tok &&
                   1283:            MDOC_Ft != n->tok &&
                   1284:            MDOC_Fo != n->tok &&
                   1285:            MDOC_Fn != n->tok) {
1.143     kristaps 1286:                term_newln(p);
                   1287:                return;
                   1288:        }
                   1289:
                   1290:        /*
                   1291:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1292:         * another (or Fn/Fo, which we've let slip through) then assert
                   1293:         * vertical space, else only newline and move on.
                   1294:         */
                   1295:        switch (n->prev->tok) {
1.264     schwarze 1296:        case MDOC_Fd:
1.143     kristaps 1297:                /* FALLTHROUGH */
1.264     schwarze 1298:        case MDOC_Fn:
1.143     kristaps 1299:                /* FALLTHROUGH */
1.264     schwarze 1300:        case MDOC_Fo:
1.143     kristaps 1301:                /* FALLTHROUGH */
1.264     schwarze 1302:        case MDOC_In:
1.143     kristaps 1303:                /* FALLTHROUGH */
1.264     schwarze 1304:        case MDOC_Vt:
1.143     kristaps 1305:                term_vspace(p);
                   1306:                break;
1.264     schwarze 1307:        case MDOC_Ft:
1.143     kristaps 1308:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1309:                        term_vspace(p);
                   1310:                        break;
                   1311:                }
                   1312:                /* FALLTHROUGH */
                   1313:        default:
                   1314:                term_newln(p);
                   1315:                break;
                   1316:        }
                   1317: }
                   1318:
1.110     kristaps 1319: static int
                   1320: termp_vt_pre(DECL_ARGS)
                   1321: {
                   1322:
1.143     kristaps 1323:        if (MDOC_ELEM == n->type) {
                   1324:                synopsis_pre(p, n);
1.245     schwarze 1325:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1326:        } else if (MDOC_BLOCK == n->type) {
                   1327:                synopsis_pre(p, n);
                   1328:                return(1);
                   1329:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1330:                return(0);
                   1331:
1.245     schwarze 1332:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1333: }
                   1334:
1.1       kristaps 1335: static int
1.69      kristaps 1336: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1337: {
                   1338:
1.102     kristaps 1339:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1340:        return(1);
                   1341: }
                   1342:
1.143     kristaps 1343: static int
                   1344: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1345: {
                   1346:
1.143     kristaps 1347:        synopsis_pre(p, n);
1.245     schwarze 1348:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1349: }
                   1350:
1.241     schwarze 1351: static void
                   1352: termp_fd_post(DECL_ARGS)
                   1353: {
                   1354:
                   1355:        term_newln(p);
                   1356: }
                   1357:
1.1       kristaps 1358: static int
                   1359: termp_sh_pre(DECL_ARGS)
                   1360: {
1.85      kristaps 1361:
1.86      kristaps 1362:        switch (n->type) {
1.264     schwarze 1363:        case MDOC_BLOCK:
1.293     schwarze 1364:                /*
                   1365:                 * Vertical space before sections, except
                   1366:                 * when the previous section was empty.
                   1367:                 */
                   1368:                if (n->prev == NULL ||
                   1369:                    MDOC_Sh != n->prev->tok ||
                   1370:                    (n->prev->body != NULL &&
                   1371:                     n->prev->body->child != NULL))
                   1372:                        term_vspace(p);
1.65      kristaps 1373:                break;
1.264     schwarze 1374:        case MDOC_HEAD:
1.102     kristaps 1375:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1376:                break;
1.264     schwarze 1377:        case MDOC_BODY:
1.238     schwarze 1378:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1379:                if (SEC_AUTHORS == n->sec)
                   1380:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1381:                break;
                   1382:        default:
                   1383:                break;
                   1384:        }
                   1385:        return(1);
                   1386: }
                   1387:
                   1388: static void
                   1389: termp_sh_post(DECL_ARGS)
                   1390: {
                   1391:
1.86      kristaps 1392:        switch (n->type) {
1.264     schwarze 1393:        case MDOC_HEAD:
1.1       kristaps 1394:                term_newln(p);
                   1395:                break;
1.264     schwarze 1396:        case MDOC_BODY:
1.1       kristaps 1397:                term_newln(p);
                   1398:                p->offset = 0;
                   1399:                break;
                   1400:        default:
                   1401:                break;
                   1402:        }
                   1403: }
                   1404:
                   1405: static int
                   1406: termp_bt_pre(DECL_ARGS)
                   1407: {
                   1408:
                   1409:        term_word(p, "is currently in beta test.");
1.131     kristaps 1410:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1411:        return(0);
1.1       kristaps 1412: }
                   1413:
                   1414: static void
                   1415: termp_lb_post(DECL_ARGS)
                   1416: {
                   1417:
1.122     kristaps 1418:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1419:                term_newln(p);
1.1       kristaps 1420: }
                   1421:
                   1422: static int
                   1423: termp_ud_pre(DECL_ARGS)
                   1424: {
                   1425:
                   1426:        term_word(p, "currently under development.");
1.131     kristaps 1427:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1428:        return(0);
1.1       kristaps 1429: }
                   1430:
                   1431: static int
                   1432: termp_d1_pre(DECL_ARGS)
                   1433: {
                   1434:
1.86      kristaps 1435:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1436:                return(1);
                   1437:        term_newln(p);
1.238     schwarze 1438:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1439:        return(1);
                   1440: }
                   1441:
                   1442: static int
                   1443: termp_ft_pre(DECL_ARGS)
                   1444: {
                   1445:
1.141     kristaps 1446:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1447:        synopsis_pre(p, n);
1.102     kristaps 1448:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1449:        return(1);
                   1450: }
                   1451:
                   1452: static int
                   1453: termp_fn_pre(DECL_ARGS)
                   1454: {
1.257     schwarze 1455:        size_t           rmargin = 0;
1.226     kristaps 1456:        int              pretty;
                   1457:
                   1458:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1459:
1.143     kristaps 1460:        synopsis_pre(p, n);
1.139     kristaps 1461:
1.226     kristaps 1462:        if (NULL == (n = n->child))
                   1463:                return(0);
                   1464:
1.251     schwarze 1465:        if (pretty) {
                   1466:                rmargin = p->rmargin;
1.257     schwarze 1467:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1468:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1469:        }
                   1470:
1.226     kristaps 1471:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1472:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1473:        term_word(p, n->string);
1.102     kristaps 1474:        term_fontpop(p);
1.1       kristaps 1475:
1.251     schwarze 1476:        if (pretty) {
                   1477:                term_flushln(p);
1.263     schwarze 1478:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1479:                p->offset = p->rmargin;
                   1480:                p->rmargin = rmargin;
                   1481:        }
                   1482:
1.1       kristaps 1483:        p->flags |= TERMP_NOSPACE;
                   1484:        term_word(p, "(");
1.222     kristaps 1485:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1486:
1.226     kristaps 1487:        for (n = n->next; n; n = n->next) {
                   1488:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1489:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1490:                if (pretty)
                   1491:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1492:                term_word(p, n->string);
1.102     kristaps 1493:                term_fontpop(p);
                   1494:
1.226     kristaps 1495:                if (n->next) {
1.222     kristaps 1496:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1497:                        term_word(p, ",");
1.222     kristaps 1498:                }
1.1       kristaps 1499:        }
                   1500:
1.222     kristaps 1501:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1502:        term_word(p, ")");
                   1503:
1.226     kristaps 1504:        if (pretty) {
1.222     kristaps 1505:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1506:                term_word(p, ";");
1.251     schwarze 1507:                term_flushln(p);
1.222     kristaps 1508:        }
1.1       kristaps 1509:
                   1510:        return(0);
                   1511: }
                   1512:
                   1513: static int
                   1514: termp_fa_pre(DECL_ARGS)
                   1515: {
1.86      kristaps 1516:        const struct mdoc_node  *nn;
1.1       kristaps 1517:
1.86      kristaps 1518:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1519:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1520:                return(1);
                   1521:        }
                   1522:
1.86      kristaps 1523:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1524:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1525:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1526:                term_word(p, nn->string);
1.102     kristaps 1527:                term_fontpop(p);
                   1528:
1.256     schwarze 1529:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1530:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1531:                        term_word(p, ",");
1.222     kristaps 1532:                }
1.1       kristaps 1533:        }
                   1534:
                   1535:        return(0);
                   1536: }
                   1537:
                   1538: static int
                   1539: termp_bd_pre(DECL_ARGS)
                   1540: {
1.272     schwarze 1541:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1542:        struct mdoc_node        *nn;
1.1       kristaps 1543:
1.86      kristaps 1544:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1545:                print_bvspace(p, n, n);
1.54      kristaps 1546:                return(1);
1.116     kristaps 1547:        } else if (MDOC_HEAD == n->type)
                   1548:                return(0);
1.1       kristaps 1549:
1.288     schwarze 1550:        /* Handle the -offset argument. */
                   1551:
                   1552:        if (n->norm->Bd.offs == NULL ||
                   1553:            ! strcmp(n->norm->Bd.offs, "left"))
                   1554:                /* nothing */;
                   1555:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1556:                p->offset += term_len(p, p->defindent + 1);
                   1557:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1558:                p->offset += term_len(p, (p->defindent + 1) * 2);
                   1559:        else
                   1560:                p->offset += a2width(p, n->norm->Bd.offs);
1.85      kristaps 1561:
                   1562:        /*
                   1563:         * If -ragged or -filled are specified, the block does nothing
                   1564:         * but change the indentation.  If -unfilled or -literal are
                   1565:         * specified, text is printed exactly as entered in the display:
                   1566:         * for macro lines, a newline is appended to the line.  Blank
                   1567:         * lines are allowed.
                   1568:         */
1.264     schwarze 1569:
                   1570:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1571:            DISP_unfilled != n->norm->Bd.type &&
                   1572:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1573:                return(1);
                   1574:
1.129     schwarze 1575:        tabwidth = p->tabwidth;
1.208     kristaps 1576:        if (DISP_literal == n->norm->Bd.type)
                   1577:                p->tabwidth = term_len(p, 8);
                   1578:
1.272     schwarze 1579:        lm = p->offset;
1.119     kristaps 1580:        rm = p->rmargin;
                   1581:        rmax = p->maxrmargin;
1.120     kristaps 1582:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1583:
1.86      kristaps 1584:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1585:                if (DISP_centered == n->norm->Bd.type) {
                   1586:                        if (MDOC_TEXT == nn->type) {
                   1587:                                len = term_strlen(p, nn->string);
                   1588:                                p->offset = len >= rm ? 0 :
                   1589:                                    lm + len >= rm ? rm - len :
                   1590:                                    (lm + rm - len) / 2;
                   1591:                        } else
                   1592:                                p->offset = lm;
                   1593:                }
1.245     schwarze 1594:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1595:                /*
                   1596:                 * If the printed node flushes its own line, then we
                   1597:                 * needn't do it here as well.  This is hacky, but the
                   1598:                 * notion of selective eoln whitespace is pretty dumb
                   1599:                 * anyway, so don't sweat it.
                   1600:                 */
                   1601:                switch (nn->tok) {
1.264     schwarze 1602:                case MDOC_Sm:
1.193     kristaps 1603:                        /* FALLTHROUGH */
1.264     schwarze 1604:                case MDOC_br:
1.190     kristaps 1605:                        /* FALLTHROUGH */
1.264     schwarze 1606:                case MDOC_sp:
1.190     kristaps 1607:                        /* FALLTHROUGH */
1.264     schwarze 1608:                case MDOC_Bl:
1.196     kristaps 1609:                        /* FALLTHROUGH */
1.264     schwarze 1610:                case MDOC_D1:
1.196     kristaps 1611:                        /* FALLTHROUGH */
1.264     schwarze 1612:                case MDOC_Dl:
1.190     kristaps 1613:                        /* FALLTHROUGH */
1.264     schwarze 1614:                case MDOC_Lp:
1.190     kristaps 1615:                        /* FALLTHROUGH */
1.264     schwarze 1616:                case MDOC_Pp:
1.190     kristaps 1617:                        continue;
                   1618:                default:
                   1619:                        break;
                   1620:                }
1.299     schwarze 1621:                if (p->flags & TERMP_NONEWLINE ||
                   1622:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1623:                        continue;
                   1624:                term_flushln(p);
                   1625:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1626:        }
1.147     kristaps 1627:
1.129     schwarze 1628:        p->tabwidth = tabwidth;
1.119     kristaps 1629:        p->rmargin = rm;
                   1630:        p->maxrmargin = rmax;
1.1       kristaps 1631:        return(0);
                   1632: }
                   1633:
                   1634: static void
                   1635: termp_bd_post(DECL_ARGS)
                   1636: {
1.119     kristaps 1637:        size_t           rm, rmax;
1.1       kristaps 1638:
1.264     schwarze 1639:        if (MDOC_BODY != n->type)
1.1       kristaps 1640:                return;
1.118     kristaps 1641:
1.119     kristaps 1642:        rm = p->rmargin;
                   1643:        rmax = p->maxrmargin;
1.118     kristaps 1644:
1.264     schwarze 1645:        if (DISP_literal == n->norm->Bd.type ||
                   1646:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1647:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1648:
1.60      kristaps 1649:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1650:        term_newln(p);
1.118     kristaps 1651:
1.119     kristaps 1652:        p->rmargin = rm;
                   1653:        p->maxrmargin = rmax;
1.1       kristaps 1654: }
                   1655:
1.211     kristaps 1656: static int
                   1657: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1658: {
                   1659:
1.211     kristaps 1660:        if (NULL != (n = n->child)) {
                   1661:                term_word(p, n->string);
                   1662:                p->flags |= TERMP_NOSPACE;
                   1663:                term_word(p, "BSD");
                   1664:        } else {
                   1665:                term_word(p, "BSD");
                   1666:                return(0);
                   1667:        }
                   1668:
                   1669:        if (NULL != (n = n->next)) {
                   1670:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1671:                term_word(p, "-");
1.1       kristaps 1672:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1673:                term_word(p, n->string);
1.211     kristaps 1674:        }
                   1675:
                   1676:        return(0);
1.1       kristaps 1677: }
                   1678:
                   1679: static int
1.26      kristaps 1680: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1681: {
1.26      kristaps 1682:        const char      *pp;
1.218     schwarze 1683:        int              flags;
1.1       kristaps 1684:
1.26      kristaps 1685:        pp = NULL;
1.86      kristaps 1686:        switch (n->tok) {
1.264     schwarze 1687:        case MDOC_Bsx:
1.194     schwarze 1688:                pp = "BSD/OS";
1.26      kristaps 1689:                break;
1.264     schwarze 1690:        case MDOC_Dx:
1.100     kristaps 1691:                pp = "DragonFly";
1.26      kristaps 1692:                break;
1.264     schwarze 1693:        case MDOC_Fx:
1.26      kristaps 1694:                pp = "FreeBSD";
                   1695:                break;
1.264     schwarze 1696:        case MDOC_Nx:
1.26      kristaps 1697:                pp = "NetBSD";
                   1698:                break;
1.264     schwarze 1699:        case MDOC_Ox:
1.26      kristaps 1700:                pp = "OpenBSD";
                   1701:                break;
1.264     schwarze 1702:        case MDOC_Ux:
1.26      kristaps 1703:                pp = "UNIX";
                   1704:                break;
                   1705:        default:
1.246     schwarze 1706:                abort();
                   1707:                /* NOTREACHED */
1.26      kristaps 1708:        }
1.1       kristaps 1709:
1.26      kristaps 1710:        term_word(p, pp);
1.214     kristaps 1711:        if (n->child) {
1.218     schwarze 1712:                flags = p->flags;
1.214     kristaps 1713:                p->flags |= TERMP_KEEP;
                   1714:                term_word(p, n->child->string);
1.218     schwarze 1715:                p->flags = flags;
1.214     kristaps 1716:        }
                   1717:        return(0);
1.1       kristaps 1718: }
                   1719:
                   1720: static void
                   1721: termp_pf_post(DECL_ARGS)
                   1722: {
                   1723:
1.298     schwarze 1724:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1725:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1726: }
                   1727:
                   1728: static int
                   1729: termp_ss_pre(DECL_ARGS)
                   1730: {
                   1731:
1.86      kristaps 1732:        switch (n->type) {
1.264     schwarze 1733:        case MDOC_BLOCK:
1.1       kristaps 1734:                term_newln(p);
1.86      kristaps 1735:                if (n->prev)
1.1       kristaps 1736:                        term_vspace(p);
                   1737:                break;
1.264     schwarze 1738:        case MDOC_HEAD:
1.102     kristaps 1739:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1740:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1741:                break;
1.274     schwarze 1742:        case MDOC_BODY:
                   1743:                p->offset = term_len(p, p->defindent);
                   1744:                break;
1.1       kristaps 1745:        default:
                   1746:                break;
                   1747:        }
                   1748:
                   1749:        return(1);
                   1750: }
                   1751:
                   1752: static void
                   1753: termp_ss_post(DECL_ARGS)
                   1754: {
                   1755:
1.274     schwarze 1756:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1757:                term_newln(p);
                   1758: }
                   1759:
                   1760: static int
                   1761: termp_cd_pre(DECL_ARGS)
                   1762: {
                   1763:
1.143     kristaps 1764:        synopsis_pre(p, n);
1.102     kristaps 1765:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1766:        return(1);
                   1767: }
                   1768:
                   1769: static int
                   1770: termp_in_pre(DECL_ARGS)
                   1771: {
1.142     schwarze 1772:
1.143     kristaps 1773:        synopsis_pre(p, n);
1.1       kristaps 1774:
1.160     kristaps 1775:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1776:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1777:                term_word(p, "#include");
1.138     kristaps 1778:                term_word(p, "<");
                   1779:        } else {
                   1780:                term_word(p, "<");
                   1781:                term_fontpush(p, TERMFONT_UNDER);
                   1782:        }
1.22      kristaps 1783:
1.1       kristaps 1784:        p->flags |= TERMP_NOSPACE;
                   1785:        return(1);
                   1786: }
                   1787:
                   1788: static void
                   1789: termp_in_post(DECL_ARGS)
                   1790: {
                   1791:
1.160     kristaps 1792:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1793:                term_fontpush(p, TERMFONT_BOLD);
                   1794:
1.79      kristaps 1795:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1796:        term_word(p, ">");
                   1797:
1.160     kristaps 1798:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1799:                term_fontpop(p);
1.1       kristaps 1800: }
                   1801:
                   1802: static int
1.45      kristaps 1803: termp_sp_pre(DECL_ARGS)
                   1804: {
1.300     schwarze 1805:        struct roffsu    su;
1.91      kristaps 1806:        size_t           i, len;
1.45      kristaps 1807:
1.86      kristaps 1808:        switch (n->tok) {
1.264     schwarze 1809:        case MDOC_sp:
1.300     schwarze 1810:                if (n->child) {
                   1811:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1812:                                su.scale = 1.0;
                   1813:                        len = term_vspan(p, &su);
                   1814:                } else
                   1815:                        len = 1;
1.76      kristaps 1816:                break;
1.264     schwarze 1817:        case MDOC_br:
1.76      kristaps 1818:                len = 0;
                   1819:                break;
                   1820:        default:
                   1821:                len = 1;
                   1822:                break;
1.45      kristaps 1823:        }
                   1824:
                   1825:        if (0 == len)
                   1826:                term_newln(p);
                   1827:        for (i = 0; i < len; i++)
                   1828:                term_vspace(p);
                   1829:
                   1830:        return(0);
                   1831: }
                   1832:
                   1833: static int
1.294     schwarze 1834: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1835: {
                   1836:
                   1837:        return(0);
                   1838: }
                   1839:
                   1840: static int
1.188     kristaps 1841: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1842: {
                   1843:
1.203     kristaps 1844:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1845:                return(1);
                   1846:
1.188     kristaps 1847:        switch (n->tok) {
1.264     schwarze 1848:        case MDOC_Ao:
1.188     kristaps 1849:                /* FALLTHROUGH */
1.264     schwarze 1850:        case MDOC_Aq:
1.291     schwarze 1851:                term_word(p, n->parent->prev != NULL &&
                   1852:                    n->parent->prev->tok == MDOC_An ?  "<" : "\\(la");
1.188     kristaps 1853:                break;
1.264     schwarze 1854:        case MDOC_Bro:
1.188     kristaps 1855:                /* FALLTHROUGH */
1.264     schwarze 1856:        case MDOC_Brq:
1.188     kristaps 1857:                term_word(p, "{");
                   1858:                break;
1.264     schwarze 1859:        case MDOC_Oo:
1.188     kristaps 1860:                /* FALLTHROUGH */
1.264     schwarze 1861:        case MDOC_Op:
1.188     kristaps 1862:                /* FALLTHROUGH */
1.264     schwarze 1863:        case MDOC_Bo:
1.188     kristaps 1864:                /* FALLTHROUGH */
1.264     schwarze 1865:        case MDOC_Bq:
1.188     kristaps 1866:                term_word(p, "[");
                   1867:                break;
1.264     schwarze 1868:        case MDOC_Do:
1.188     kristaps 1869:                /* FALLTHROUGH */
1.264     schwarze 1870:        case MDOC_Dq:
1.249     schwarze 1871:                term_word(p, "\\(lq");
1.188     kristaps 1872:                break;
1.268     schwarze 1873:        case MDOC_En:
                   1874:                if (NULL == n->norm->Es ||
                   1875:                    NULL == n->norm->Es->child)
                   1876:                        return(1);
                   1877:                term_word(p, n->norm->Es->child->string);
                   1878:                break;
1.264     schwarze 1879:        case MDOC_Eo:
1.237     schwarze 1880:                break;
1.264     schwarze 1881:        case MDOC_Po:
1.188     kristaps 1882:                /* FALLTHROUGH */
1.264     schwarze 1883:        case MDOC_Pq:
1.188     kristaps 1884:                term_word(p, "(");
                   1885:                break;
1.264     schwarze 1886:        case MDOC__T:
1.205     kristaps 1887:                /* FALLTHROUGH */
1.264     schwarze 1888:        case MDOC_Qo:
1.188     kristaps 1889:                /* FALLTHROUGH */
1.264     schwarze 1890:        case MDOC_Qq:
1.188     kristaps 1891:                term_word(p, "\"");
                   1892:                break;
1.264     schwarze 1893:        case MDOC_Ql:
1.188     kristaps 1894:                /* FALLTHROUGH */
1.264     schwarze 1895:        case MDOC_So:
1.188     kristaps 1896:                /* FALLTHROUGH */
1.264     schwarze 1897:        case MDOC_Sq:
1.249     schwarze 1898:                term_word(p, "\\(oq");
1.188     kristaps 1899:                break;
                   1900:        default:
                   1901:                abort();
                   1902:                /* NOTREACHED */
                   1903:        }
1.1       kristaps 1904:
                   1905:        p->flags |= TERMP_NOSPACE;
                   1906:        return(1);
                   1907: }
                   1908:
                   1909: static void
1.188     kristaps 1910: termp_quote_post(DECL_ARGS)
1.1       kristaps 1911: {
                   1912:
1.295     schwarze 1913:        if (n->type != MDOC_BODY && n->type != MDOC_ELEM)
1.1       kristaps 1914:                return;
                   1915:
1.295     schwarze 1916:        if ( ! (n->tok == MDOC_En ||
                   1917:            (n->tok == MDOC_Eo && n->end == ENDBODY_SPACE)))
1.268     schwarze 1918:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1919:
1.188     kristaps 1920:        switch (n->tok) {
1.264     schwarze 1921:        case MDOC_Ao:
1.188     kristaps 1922:                /* FALLTHROUGH */
1.264     schwarze 1923:        case MDOC_Aq:
1.291     schwarze 1924:                term_word(p, n->parent->prev != NULL &&
                   1925:                    n->parent->prev->tok == MDOC_An ?  ">" : "\\(ra");
1.188     kristaps 1926:                break;
1.264     schwarze 1927:        case MDOC_Bro:
1.188     kristaps 1928:                /* FALLTHROUGH */
1.264     schwarze 1929:        case MDOC_Brq:
1.188     kristaps 1930:                term_word(p, "}");
                   1931:                break;
1.264     schwarze 1932:        case MDOC_Oo:
1.188     kristaps 1933:                /* FALLTHROUGH */
1.264     schwarze 1934:        case MDOC_Op:
1.188     kristaps 1935:                /* FALLTHROUGH */
1.264     schwarze 1936:        case MDOC_Bo:
1.188     kristaps 1937:                /* FALLTHROUGH */
1.264     schwarze 1938:        case MDOC_Bq:
1.188     kristaps 1939:                term_word(p, "]");
                   1940:                break;
1.264     schwarze 1941:        case MDOC_Do:
1.188     kristaps 1942:                /* FALLTHROUGH */
1.264     schwarze 1943:        case MDOC_Dq:
1.249     schwarze 1944:                term_word(p, "\\(rq");
1.268     schwarze 1945:                break;
                   1946:        case MDOC_En:
                   1947:                if (NULL != n->norm->Es &&
                   1948:                    NULL != n->norm->Es->child &&
                   1949:                    NULL != n->norm->Es->child->next) {
                   1950:                        p->flags |= TERMP_NOSPACE;
                   1951:                        term_word(p, n->norm->Es->child->next->string);
                   1952:                }
1.237     schwarze 1953:                break;
1.264     schwarze 1954:        case MDOC_Eo:
1.188     kristaps 1955:                break;
1.264     schwarze 1956:        case MDOC_Po:
1.188     kristaps 1957:                /* FALLTHROUGH */
1.264     schwarze 1958:        case MDOC_Pq:
1.188     kristaps 1959:                term_word(p, ")");
                   1960:                break;
1.264     schwarze 1961:        case MDOC__T:
1.205     kristaps 1962:                /* FALLTHROUGH */
1.264     schwarze 1963:        case MDOC_Qo:
1.188     kristaps 1964:                /* FALLTHROUGH */
1.264     schwarze 1965:        case MDOC_Qq:
1.188     kristaps 1966:                term_word(p, "\"");
                   1967:                break;
1.264     schwarze 1968:        case MDOC_Ql:
1.188     kristaps 1969:                /* FALLTHROUGH */
1.264     schwarze 1970:        case MDOC_So:
1.188     kristaps 1971:                /* FALLTHROUGH */
1.264     schwarze 1972:        case MDOC_Sq:
1.249     schwarze 1973:                term_word(p, "\\(cq");
1.188     kristaps 1974:                break;
                   1975:        default:
                   1976:                abort();
                   1977:                /* NOTREACHED */
                   1978:        }
1.1       kristaps 1979: }
                   1980:
                   1981: static int
                   1982: termp_fo_pre(DECL_ARGS)
                   1983: {
1.257     schwarze 1984:        size_t           rmargin = 0;
1.256     schwarze 1985:        int              pretty;
                   1986:
                   1987:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1988:
1.141     kristaps 1989:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1990:                synopsis_pre(p, n);
1.141     kristaps 1991:                return(1);
                   1992:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 1993:                if (pretty) {
                   1994:                        rmargin = p->rmargin;
1.257     schwarze 1995:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1996:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   1997:                                        TERMP_HANG;
1.256     schwarze 1998:                }
1.33      kristaps 1999:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2000:                term_word(p, "(");
1.222     kristaps 2001:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2002:                if (pretty) {
                   2003:                        term_flushln(p);
1.263     schwarze 2004:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2005:                                        TERMP_HANG);
1.256     schwarze 2006:                        p->offset = p->rmargin;
                   2007:                        p->rmargin = rmargin;
                   2008:                }
1.1       kristaps 2009:                return(1);
1.256     schwarze 2010:        }
1.141     kristaps 2011:
1.169     kristaps 2012:        if (NULL == n->child)
                   2013:                return(0);
                   2014:
1.141     kristaps 2015:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2016:
1.141     kristaps 2017:        assert(n->child->string);
1.102     kristaps 2018:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2019:        term_word(p, n->child->string);
1.1       kristaps 2020:        return(0);
                   2021: }
                   2022:
                   2023: static void
                   2024: termp_fo_post(DECL_ARGS)
                   2025: {
                   2026:
1.264     schwarze 2027:        if (MDOC_BODY != n->type)
1.143     kristaps 2028:                return;
                   2029:
1.222     kristaps 2030:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2031:        term_word(p, ")");
                   2032:
1.222     kristaps 2033:        if (MDOC_SYNPRETTY & n->flags) {
                   2034:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2035:                term_word(p, ";");
1.256     schwarze 2036:                term_flushln(p);
1.222     kristaps 2037:        }
1.1       kristaps 2038: }
                   2039:
                   2040: static int
                   2041: termp_bf_pre(DECL_ARGS)
                   2042: {
                   2043:
1.86      kristaps 2044:        if (MDOC_HEAD == n->type)
1.1       kristaps 2045:                return(0);
1.244     schwarze 2046:        else if (MDOC_BODY != n->type)
1.1       kristaps 2047:                return(1);
                   2048:
1.264     schwarze 2049:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2050:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2051:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2052:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2053:        else
1.102     kristaps 2054:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2055:
                   2056:        return(1);
                   2057: }
                   2058:
                   2059: static int
                   2060: termp_sm_pre(DECL_ARGS)
                   2061: {
                   2062:
1.269     schwarze 2063:        if (NULL == n->child)
                   2064:                p->flags ^= TERMP_NONOSPACE;
                   2065:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2066:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2067:        else
1.1       kristaps 2068:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2069:
                   2070:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2071:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2072:
                   2073:        return(0);
                   2074: }
                   2075:
                   2076: static int
                   2077: termp_ap_pre(DECL_ARGS)
                   2078: {
                   2079:
                   2080:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2081:        term_word(p, "'");
1.1       kristaps 2082:        p->flags |= TERMP_NOSPACE;
                   2083:        return(1);
                   2084: }
                   2085:
                   2086: static void
                   2087: termp____post(DECL_ARGS)
                   2088: {
1.184     kristaps 2089:
                   2090:        /*
                   2091:         * Handle lists of authors.  In general, print each followed by
                   2092:         * a comma.  Don't print the comma if there are only two
                   2093:         * authors.
                   2094:         */
                   2095:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2096:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2097:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2098:                                return;
1.1       kristaps 2099:
1.95      kristaps 2100:        /* TODO: %U. */
                   2101:
1.187     kristaps 2102:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2103:                return;
                   2104:
1.222     kristaps 2105:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2106:        if (NULL == n->next) {
                   2107:                term_word(p, ".");
                   2108:                p->flags |= TERMP_SENTENCE;
                   2109:        } else
                   2110:                term_word(p, ",");
1.1       kristaps 2111: }
                   2112:
                   2113: static int
1.102     kristaps 2114: termp_li_pre(DECL_ARGS)
                   2115: {
                   2116:
                   2117:        term_fontpush(p, TERMFONT_NONE);
                   2118:        return(1);
                   2119: }
                   2120:
                   2121: static int
1.1       kristaps 2122: termp_lk_pre(DECL_ARGS)
                   2123: {
1.240     schwarze 2124:        const struct mdoc_node *link, *descr;
1.1       kristaps 2125:
1.240     schwarze 2126:        if (NULL == (link = n->child))
                   2127:                return(0);
1.181     kristaps 2128:
1.240     schwarze 2129:        if (NULL != (descr = link->next)) {
                   2130:                term_fontpush(p, TERMFONT_UNDER);
                   2131:                while (NULL != descr) {
                   2132:                        term_word(p, descr->string);
                   2133:                        descr = descr->next;
                   2134:                }
                   2135:                p->flags |= TERMP_NOSPACE;
                   2136:                term_word(p, ":");
                   2137:                term_fontpop(p);
                   2138:        }
1.1       kristaps 2139:
1.102     kristaps 2140:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2141:        term_word(p, link->string);
1.102     kristaps 2142:        term_fontpop(p);
1.12      kristaps 2143:
1.1       kristaps 2144:        return(0);
                   2145: }
                   2146:
1.159     schwarze 2147: static int
                   2148: termp_bk_pre(DECL_ARGS)
                   2149: {
                   2150:
1.161     schwarze 2151:        switch (n->type) {
1.264     schwarze 2152:        case MDOC_BLOCK:
1.166     kristaps 2153:                break;
1.264     schwarze 2154:        case MDOC_HEAD:
1.161     schwarze 2155:                return(0);
1.264     schwarze 2156:        case MDOC_BODY:
1.200     schwarze 2157:                if (n->parent->args || 0 == n->prev->nchild)
                   2158:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2159:                break;
1.161     schwarze 2160:        default:
                   2161:                abort();
1.166     kristaps 2162:                /* NOTREACHED */
1.161     schwarze 2163:        }
1.166     kristaps 2164:
                   2165:        return(1);
1.159     schwarze 2166: }
                   2167:
                   2168: static void
                   2169: termp_bk_post(DECL_ARGS)
                   2170: {
                   2171:
1.253     schwarze 2172:        if (MDOC_BODY == n->type)
1.161     schwarze 2173:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2174: }
                   2175:
                   2176: static void
                   2177: termp__t_post(DECL_ARGS)
                   2178: {
                   2179:
                   2180:        /*
                   2181:         * If we're in an `Rs' and there's a journal present, then quote
                   2182:         * us instead of underlining us (for disambiguation).
                   2183:         */
1.217     schwarze 2184:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2185:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2186:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2187:
1.245     schwarze 2188:        termp____post(p, pair, meta, n);
1.203     kristaps 2189: }
                   2190:
                   2191: static int
                   2192: termp__t_pre(DECL_ARGS)
                   2193: {
                   2194:
                   2195:        /*
                   2196:         * If we're in an `Rs' and there's a journal present, then quote
                   2197:         * us instead of underlining us (for disambiguation).
                   2198:         */
                   2199:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2200:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2201:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2202:
                   2203:        term_fontpush(p, TERMFONT_UNDER);
                   2204:        return(1);
1.159     schwarze 2205: }
1.1       kristaps 2206:
                   2207: static int
1.69      kristaps 2208: termp_under_pre(DECL_ARGS)
1.1       kristaps 2209: {
                   2210:
1.102     kristaps 2211:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2212:        return(1);
                   2213: }

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