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

Annotation of mandoc/mdoc_term.c, Revision 1.284

1.284   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.283 2014/10/13 22:00:47 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.259     schwarze    4:  * Copyright (c) 2010, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.6       kristaps   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.266     schwarze   31: #include "mandoc_aux.h"
1.92      kristaps   32: #include "out.h"
1.1       kristaps   33: #include "term.h"
                     34: #include "mdoc.h"
1.89      kristaps   35: #include "main.h"
1.1       kristaps   36:
                     37: struct termpair {
                     38:        struct termpair  *ppair;
1.31      kristaps   39:        int               count;
1.1       kristaps   40: };
                     41:
1.31      kristaps   42: #define        DECL_ARGS struct termp *p, \
                     43:                  struct termpair *pair, \
1.264     schwarze   44:                  const struct mdoc_meta *meta, \
1.244     schwarze   45:                  struct mdoc_node *n
1.1       kristaps   46:
                     47: struct termact {
                     48:        int     (*pre)(DECL_ARGS);
                     49:        void    (*post)(DECL_ARGS);
                     50: };
                     51:
1.157     kristaps   52: static size_t    a2width(const struct termp *, const char *);
                     53: static size_t    a2height(const struct termp *, const char *);
                     54: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   55:
                     56: static void      print_bvspace(struct termp *,
1.151     kristaps   57:                        const struct mdoc_node *,
1.96      kristaps   58:                        const struct mdoc_node *);
1.264     schwarze   59: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   60: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   61: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   62: static void      print_mdoc_foot(struct termp *, const void *);
1.264     schwarze   63: static void      synopsis_pre(struct termp *,
1.143     kristaps   64:                        const struct mdoc_node *);
1.96      kristaps   65:
1.31      kristaps   66: static void      termp____post(DECL_ARGS);
1.203     kristaps   67: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   68: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   69: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   70: static void      termp_bl_post(DECL_ARGS);
1.241     schwarze   71: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   72: static void      termp_fo_post(DECL_ARGS);
                     73: static void      termp_in_post(DECL_ARGS);
                     74: static void      termp_it_post(DECL_ARGS);
                     75: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   76: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   78: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_sh_post(DECL_ARGS);
                     80: static void      termp_ss_post(DECL_ARGS);
                     81:
1.184     kristaps   82: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   83: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   84: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   85: static int       termp_ap_pre(DECL_ARGS);
                     86: static int       termp_bd_pre(DECL_ARGS);
                     87: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   88: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   89: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   90: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   91: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   92: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_cd_pre(DECL_ARGS);
                     94: static int       termp_d1_pre(DECL_ARGS);
1.268     schwarze   95: static int       termp_es_pre(DECL_ARGS);
1.31      kristaps   96: static int       termp_ex_pre(DECL_ARGS);
                     97: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps   98: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   99: static int       termp_fl_pre(DECL_ARGS);
                    100: static int       termp_fn_pre(DECL_ARGS);
                    101: static int       termp_fo_pre(DECL_ARGS);
                    102: static int       termp_ft_pre(DECL_ARGS);
                    103: static int       termp_in_pre(DECL_ARGS);
                    104: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  105: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  106: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  107: static int       termp_lk_pre(DECL_ARGS);
                    108: static int       termp_nd_pre(DECL_ARGS);
                    109: static int       termp_nm_pre(DECL_ARGS);
                    110: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  111: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  112: static int       termp_rs_pre(DECL_ARGS);
                    113: static int       termp_rv_pre(DECL_ARGS);
                    114: static int       termp_sh_pre(DECL_ARGS);
                    115: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  116: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  117: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  118: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  120: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  121: static int       termp_xr_pre(DECL_ARGS);
                    122: static int       termp_xx_pre(DECL_ARGS);
                    123:
1.70      kristaps  124: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  125:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  126:        { NULL, NULL }, /* Dd */
                    127:        { NULL, NULL }, /* Dt */
                    128:        { NULL, NULL }, /* Os */
                    129:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  130:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    131:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  132:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    133:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  134:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    135:        { NULL, NULL }, /* Ed */
1.115     kristaps  136:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  137:        { NULL, NULL }, /* El */
                    138:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  139:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  140:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  141:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  142:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  143:        { termp_bold_pre, NULL }, /* Cm */
1.264     schwarze  144:        { NULL, NULL }, /* Dv */
                    145:        { NULL, NULL }, /* Er */
                    146:        { NULL, NULL }, /* Ev */
1.1       kristaps  147:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  148:        { termp_fa_pre, NULL }, /* Fa */
                    149:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  150:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  151:        { termp_fn_pre, NULL }, /* Fn */
                    152:        { termp_ft_pre, NULL }, /* Ft */
                    153:        { termp_bold_pre, NULL }, /* Ic */
                    154:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  155:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  156:        { termp_nd_pre, NULL }, /* Nd */
                    157:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  158:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  159:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  160:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  161:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  162:        { NULL, NULL }, /* St */
1.69      kristaps  163:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  164:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  165:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  166:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  167:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  168:        { NULL, termp____post }, /* %D */
1.84      kristaps  169:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  170:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  171:        { NULL, termp____post }, /* %N */
                    172:        { NULL, termp____post }, /* %O */
                    173:        { NULL, termp____post }, /* %P */
                    174:        { NULL, termp____post }, /* %R */
1.203     kristaps  175:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  176:        { NULL, termp____post }, /* %V */
                    177:        { NULL, NULL }, /* Ac */
1.188     kristaps  178:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    179:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  180:        { NULL, NULL }, /* At */
1.1       kristaps  181:        { NULL, NULL }, /* Bc */
1.264     schwarze  182:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  183:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    184:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  185:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  186:        { termp_bx_pre, NULL }, /* Bx */
1.1       kristaps  187:        { NULL, NULL }, /* Db */
                    188:        { NULL, NULL }, /* Dc */
1.188     kristaps  189:        { termp_quote_pre, termp_quote_post }, /* Do */
                    190:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  191:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  192:        { NULL, NULL }, /* Ef */
1.264     schwarze  193:        { termp_under_pre, NULL }, /* Em */
1.237     schwarze  194:        { termp_quote_pre, termp_quote_post }, /* Eo */
1.26      kristaps  195:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  196:        { termp_bold_pre, NULL }, /* Ms */
1.254     schwarze  197:        { NULL, NULL }, /* No */
1.1       kristaps  198:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  199:        { termp_xx_pre, NULL }, /* Nx */
                    200:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  201:        { NULL, NULL }, /* Pc */
1.254     schwarze  202:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  203:        { termp_quote_pre, termp_quote_post }, /* Po */
                    204:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  205:        { NULL, NULL }, /* Qc */
1.188     kristaps  206:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    207:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    208:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  209:        { NULL, NULL }, /* Re */
                    210:        { termp_rs_pre, NULL }, /* Rs */
                    211:        { NULL, NULL }, /* Sc */
1.188     kristaps  212:        { termp_quote_pre, termp_quote_post }, /* So */
                    213:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  214:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  215:        { termp_under_pre, NULL }, /* Sx */
                    216:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  217:        { NULL, NULL }, /* Tn */
1.26      kristaps  218:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  219:        { NULL, NULL }, /* Xc */
                    220:        { NULL, NULL }, /* Xo */
1.264     schwarze  221:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    222:        { NULL, NULL }, /* Fc */
1.188     kristaps  223:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  224:        { NULL, NULL }, /* Oc */
1.159     schwarze  225:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  226:        { NULL, NULL }, /* Ek */
                    227:        { termp_bt_pre, NULL }, /* Bt */
                    228:        { NULL, NULL }, /* Hf */
1.268     schwarze  229:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  230:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  231:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  232:        { termp_sp_pre, NULL }, /* Lp */
                    233:        { termp_lk_pre, NULL }, /* Lk */
                    234:        { termp_under_pre, NULL }, /* Mt */
                    235:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    236:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    237:        { NULL, NULL }, /* Brc */
                    238:        { NULL, termp____post }, /* %C */
1.268     schwarze  239:        { termp_es_pre, NULL }, /* Es */
                    240:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  241:        { termp_xx_pre, NULL }, /* Dx */
                    242:        { NULL, termp____post }, /* %Q */
1.76      kristaps  243:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  244:        { termp_sp_pre, NULL }, /* sp */
                    245:        { NULL, termp____post }, /* %U */
                    246:        { NULL, NULL }, /* Ta */
1.260     schwarze  247:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  248: };
                    249:
                    250:
1.70      kristaps  251: void
1.89      kristaps  252: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  253: {
1.245     schwarze  254:        const struct mdoc_meta  *meta;
1.281     schwarze  255:        struct mdoc_node        *n;
1.89      kristaps  256:        struct termp            *p;
                    257:
                    258:        p = (struct termp *)arg;
1.111     kristaps  259:
                    260:        p->overstep = 0;
1.281     schwarze  261:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  262:        p->tabwidth = term_len(p, 5);
1.89      kristaps  263:
                    264:        if (NULL == p->symtab)
1.230     kristaps  265:                p->symtab = mchars_alloc();
1.70      kristaps  266:
1.281     schwarze  267:        n = mdoc_node(mdoc)->child;
1.245     schwarze  268:        meta = mdoc_meta(mdoc);
1.146     schwarze  269:
1.281     schwarze  270:        if (p->synopsisonly) {
                    271:                while (n != NULL) {
                    272:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    273:                                if (n->child->next->child != NULL)
                    274:                                        print_mdoc_nodelist(p, NULL,
                    275:                                            meta, n->child->next->child);
                    276:                                term_newln(p);
                    277:                                break;
                    278:                        }
                    279:                        n = n->next;
                    280:                }
                    281:        } else {
                    282:                if (p->defindent == 0)
                    283:                        p->defindent = 5;
                    284:                term_begin(p, print_mdoc_head, print_mdoc_foot, meta);
                    285:                if (n != NULL) {
                    286:                        if (n->tok != MDOC_Sh)
                    287:                                term_vspace(p);
                    288:                        print_mdoc_nodelist(p, NULL, meta, n);
                    289:                }
                    290:                term_end(p);
1.271     schwarze  291:        }
1.1       kristaps  292: }
                    293:
1.3       kristaps  294: static void
1.102     kristaps  295: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  296: {
                    297:
1.245     schwarze  298:        print_mdoc_node(p, pair, meta, n);
1.86      kristaps  299:        if (n->next)
1.245     schwarze  300:                print_mdoc_nodelist(p, pair, meta, n->next);
1.1       kristaps  301: }
                    302:
1.3       kristaps  303: static void
1.102     kristaps  304: print_mdoc_node(DECL_ARGS)
1.1       kristaps  305: {
1.102     kristaps  306:        int              chld;
1.1       kristaps  307:        struct termpair  npair;
1.30      kristaps  308:        size_t           offset, rmargin;
1.1       kristaps  309:
1.70      kristaps  310:        chld = 1;
1.29      kristaps  311:        offset = p->offset;
1.30      kristaps  312:        rmargin = p->rmargin;
1.244     schwarze  313:        n->prev_font = term_fontq(p);
1.29      kristaps  314:
1.97      kristaps  315:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  316:        npair.ppair = pair;
1.172     kristaps  317:
                    318:        /*
                    319:         * Keeps only work until the end of a line.  If a keep was
                    320:         * invoked in a prior line, revert it to PREKEEP.
                    321:         */
                    322:
1.253     schwarze  323:        if (TERMP_KEEP & p->flags) {
1.252     schwarze  324:                if (n->prev ? (n->prev->lastline != n->line) :
1.248     schwarze  325:                    (n->parent && n->parent->line != n->line)) {
1.172     kristaps  326:                        p->flags &= ~TERMP_KEEP;
                    327:                        p->flags |= TERMP_PREKEEP;
                    328:                }
                    329:        }
1.197     schwarze  330:
                    331:        /*
1.217     schwarze  332:         * After the keep flags have been set up, we may now
                    333:         * produce output.  Note that some pre-handlers do so.
                    334:         */
                    335:
                    336:        switch (n->type) {
1.264     schwarze  337:        case MDOC_TEXT:
1.217     schwarze  338:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    339:                        term_newln(p);
1.222     kristaps  340:                if (MDOC_DELIMC & n->flags)
                    341:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  342:                term_word(p, n->string);
1.222     kristaps  343:                if (MDOC_DELIMO & n->flags)
                    344:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  345:                break;
1.264     schwarze  346:        case MDOC_EQN:
1.284   ! schwarze  347:                if ( ! (n->flags & MDOC_LINE))
        !           348:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  349:                term_eqn(p, n->eqn);
1.217     schwarze  350:                break;
1.264     schwarze  351:        case MDOC_TBL:
1.217     schwarze  352:                term_tbl(p, n->span);
                    353:                break;
                    354:        default:
                    355:                if (termacts[n->tok].pre && ENDBODY_NOT == n->end)
                    356:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  357:                                (p, &npair, meta, n);
1.217     schwarze  358:                break;
                    359:        }
                    360:
1.86      kristaps  361:        if (chld && n->child)
1.245     schwarze  362:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  363:
1.244     schwarze  364:        term_fontpopq(p,
                    365:            (ENDBODY_NOT == n->end ? n : n->pending)->prev_font);
1.46      kristaps  366:
1.206     kristaps  367:        switch (n->type) {
1.264     schwarze  368:        case MDOC_TEXT:
1.206     kristaps  369:                break;
1.264     schwarze  370:        case MDOC_TBL:
1.216     kristaps  371:                break;
1.264     schwarze  372:        case MDOC_EQN:
1.206     kristaps  373:                break;
                    374:        default:
                    375:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    376:                        break;
1.245     schwarze  377:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  378:
                    379:                /*
                    380:                 * Explicit end tokens not only call the post
                    381:                 * handler, but also tell the respective block
                    382:                 * that it must not call the post handler again.
                    383:                 */
1.165     kristaps  384:                if (ENDBODY_NOT != n->end)
1.162     schwarze  385:                        n->pending->flags |= MDOC_ENDED;
                    386:
                    387:                /*
                    388:                 * End of line terminating an implicit block
                    389:                 * while an explicit block is still open.
                    390:                 * Continue the explicit block without spacing.
                    391:                 */
                    392:                if (ENDBODY_NOSPACE == n->end)
                    393:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  394:                break;
1.162     schwarze  395:        }
1.121     kristaps  396:
                    397:        if (MDOC_EOS & n->flags)
                    398:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  399:
1.260     schwarze  400:        if (MDOC_ll != n->tok) {
                    401:                p->offset = offset;
                    402:                p->rmargin = rmargin;
                    403:        }
1.1       kristaps  404: }
                    405:
1.3       kristaps  406: static void
1.145     kristaps  407: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  408: {
1.245     schwarze  409:        const struct mdoc_meta *meta;
1.144     kristaps  410:
1.245     schwarze  411:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  412:
1.102     kristaps  413:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  414:
1.264     schwarze  415:        /*
1.9       kristaps  416:         * Output the footer in new-groff style, that is, three columns
                    417:         * with the middle being the manual date and flanking columns
                    418:         * being the operating system:
                    419:         *
                    420:         * SYSTEM                  DATE                    SYSTEM
                    421:         */
                    422:
1.1       kristaps  423:        term_vspace(p);
                    424:
1.9       kristaps  425:        p->offset = 0;
1.264     schwarze  426:        p->rmargin = (p->maxrmargin -
                    427:            term_strlen(p, meta->date) + term_len(p, 1)) / 2;
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;
1.245     schwarze  435:        p->rmargin = p->maxrmargin - term_strlen(p, meta->os);
1.234     schwarze  436:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  437:
1.245     schwarze  438:        term_word(p, meta->date);
1.9       kristaps  439:        term_flushln(p);
                    440:
1.1       kristaps  441:        p->offset = p->rmargin;
                    442:        p->rmargin = p->maxrmargin;
1.250     schwarze  443:        p->trailspace = 0;
1.1       kristaps  444:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  445:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  446:
1.245     schwarze  447:        term_word(p, meta->os);
1.1       kristaps  448:        term_flushln(p);
                    449:
1.9       kristaps  450:        p->offset = 0;
                    451:        p->rmargin = p->maxrmargin;
                    452:        p->flags = 0;
1.1       kristaps  453: }
                    454:
1.3       kristaps  455: static void
1.144     kristaps  456: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  457: {
1.266     schwarze  458:        const struct mdoc_meta  *meta;
1.267     schwarze  459:        char                    *volume, *title;
                    460:        size_t                   vollen, titlen;
1.144     kristaps  461:
1.245     schwarze  462:        meta = (const struct mdoc_meta *)arg;
1.1       kristaps  463:
                    464:        /*
                    465:         * The header is strange.  It has three components, which are
                    466:         * really two with the first duplicated.  It goes like this:
                    467:         *
                    468:         * IDENTIFIER              TITLE                   IDENTIFIER
                    469:         *
                    470:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    471:         * (if given, or "unknown" if not) followed by the manual page
                    472:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    473:         * string depending on the manual volume.  If not specified, it
                    474:         * switches on the manual section.
                    475:         */
1.235     schwarze  476:
1.245     schwarze  477:        assert(meta->vol);
1.267     schwarze  478:        if (NULL == meta->arch)
                    479:                volume = mandoc_strdup(meta->vol);
                    480:        else
                    481:                mandoc_asprintf(&volume, "%s (%s)",
                    482:                    meta->vol, meta->arch);
                    483:        vollen = term_strlen(p, volume);
1.1       kristaps  484:
1.275     schwarze  485:        if (NULL == meta->msec)
                    486:                title = mandoc_strdup(meta->title);
                    487:        else
                    488:                mandoc_asprintf(&title, "%s(%s)",
                    489:                    meta->title, meta->msec);
1.235     schwarze  490:        titlen = term_strlen(p, title);
1.1       kristaps  491:
1.235     schwarze  492:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  493:        p->trailspace = 1;
1.1       kristaps  494:        p->offset = 0;
1.267     schwarze  495:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    496:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
                    497:            p->maxrmargin - vollen;
1.1       kristaps  498:
                    499:        term_word(p, title);
                    500:        term_flushln(p);
                    501:
1.235     schwarze  502:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  503:        p->offset = p->rmargin;
1.267     schwarze  504:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  505:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  506:
1.267     schwarze  507:        term_word(p, volume);
1.1       kristaps  508:        term_flushln(p);
                    509:
                    510:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  511:        p->trailspace = 0;
1.235     schwarze  512:        if (p->rmargin + titlen <= p->maxrmargin) {
                    513:                p->flags |= TERMP_NOSPACE;
                    514:                p->offset = p->rmargin;
                    515:                p->rmargin = p->maxrmargin;
                    516:                term_word(p, title);
                    517:                term_flushln(p);
                    518:        }
1.1       kristaps  519:
1.235     schwarze  520:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  521:        p->offset = 0;
1.1       kristaps  522:        p->rmargin = p->maxrmargin;
1.266     schwarze  523:        free(title);
1.267     schwarze  524:        free(volume);
1.1       kristaps  525: }
                    526:
                    527: static size_t
1.157     kristaps  528: a2height(const struct termp *p, const char *v)
1.1       kristaps  529: {
1.92      kristaps  530:        struct roffsu    su;
1.91      kristaps  531:
1.231     kristaps  532:
1.157     kristaps  533:        assert(v);
                    534:        if ( ! a2roffsu(v, &su, SCALE_VS))
1.231     kristaps  535:                SCALE_VS_INIT(&su, atoi(v));
1.91      kristaps  536:
1.157     kristaps  537:        return(term_vspan(p, &su));
1.91      kristaps  538: }
1.1       kristaps  539:
1.91      kristaps  540: static size_t
1.157     kristaps  541: a2width(const struct termp *p, const char *v)
1.91      kristaps  542: {
1.92      kristaps  543:        struct roffsu    su;
1.1       kristaps  544:
1.154     kristaps  545:        assert(v);
1.283     schwarze  546:        if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  547:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  548:                su.scale /= term_strlen(p, "0");
                    549:        }
1.1       kristaps  550:
1.157     kristaps  551:        return(term_hspan(p, &su));
1.1       kristaps  552: }
                    553:
                    554: static size_t
1.157     kristaps  555: a2offs(const struct termp *p, const char *v)
1.1       kristaps  556: {
1.92      kristaps  557:        struct roffsu    su;
1.1       kristaps  558:
1.148     kristaps  559:        if ('\0' == *v)
1.91      kristaps  560:                return(0);
1.148     kristaps  561:        else if (0 == strcmp(v, "left"))
1.19      kristaps  562:                return(0);
1.148     kristaps  563:        else if (0 == strcmp(v, "indent"))
1.238     schwarze  564:                return(term_len(p, p->defindent + 1));
1.148     kristaps  565:        else if (0 == strcmp(v, "indent-two"))
1.238     schwarze  566:                return(term_len(p, (p->defindent + 1) * 2));
1.283     schwarze  567:        else if ( ! a2roffsu(v, &su, SCALE_MAX)) {
1.157     kristaps  568:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  569:                su.scale /= term_strlen(p, "0");
                    570:        }
1.10      kristaps  571:
1.157     kristaps  572:        return(term_hspan(p, &su));
1.1       kristaps  573: }
                    574:
1.108     kristaps  575: /*
                    576:  * Determine how much space to print out before block elements of `It'
                    577:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    578:  * too.
                    579:  */
1.54      kristaps  580: static void
1.264     schwarze  581: print_bvspace(struct termp *p,
                    582:        const struct mdoc_node *bl,
                    583:        const struct mdoc_node *n)
1.1       kristaps  584: {
1.86      kristaps  585:        const struct mdoc_node  *nn;
1.236     schwarze  586:
                    587:        assert(n);
1.1       kristaps  588:
                    589:        term_newln(p);
1.150     kristaps  590:
1.202     kristaps  591:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  592:                return;
1.202     kristaps  593:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  594:                return;
                    595:
1.85      kristaps  596:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  597:
1.86      kristaps  598:        for (nn = n; nn; nn = nn->parent) {
                    599:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  600:                        continue;
1.86      kristaps  601:                if (MDOC_Ss == nn->tok)
1.54      kristaps  602:                        return;
1.86      kristaps  603:                if (MDOC_Sh == nn->tok)
1.54      kristaps  604:                        return;
1.86      kristaps  605:                if (NULL == nn->prev)
1.1       kristaps  606:                        continue;
                    607:                break;
                    608:        }
                    609:
1.85      kristaps  610:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  611:
1.202     kristaps  612:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  613:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  614:                        return;
                    615:
1.85      kristaps  616:        /* A `-diag' without body does not vspace. */
                    617:
1.202     kristaps  618:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  619:                if (n->prev && MDOC_It == n->prev->tok) {
                    620:                        assert(n->prev->body);
                    621:                        if (NULL == n->prev->body->child)
1.55      kristaps  622:                                return;
                    623:                }
                    624:
1.54      kristaps  625:        term_vspace(p);
1.260     schwarze  626: }
                    627:
                    628:
                    629: static int
                    630: termp_ll_pre(DECL_ARGS)
                    631: {
                    632:
1.261     schwarze  633:        term_setwidth(p, n->nchild ? n->child->string : NULL);
1.260     schwarze  634:        return(0);
1.1       kristaps  635: }
                    636:
                    637: static int
                    638: termp_it_pre(DECL_ARGS)
                    639: {
1.86      kristaps  640:        const struct mdoc_node *bl, *nn;
1.265     schwarze  641:        char                    buf[24];
1.264     schwarze  642:        int                     i;
                    643:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  644:        enum mdoc_list          type;
1.1       kristaps  645:
1.86      kristaps  646:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  647:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  648:                return(1);
                    649:        }
1.1       kristaps  650:
1.86      kristaps  651:        bl = n->parent->parent->parent;
1.202     kristaps  652:        type = bl->norm->Bl.type;
1.1       kristaps  653:
1.264     schwarze  654:        /*
1.108     kristaps  655:         * First calculate width and offset.  This is pretty easy unless
                    656:         * we're a -column list, in which case all prior columns must
                    657:         * be accounted for.
                    658:         */
                    659:
                    660:        width = offset = 0;
                    661:
1.202     kristaps  662:        if (bl->norm->Bl.offs)
                    663:                offset = a2offs(p, bl->norm->Bl.offs);
1.152     kristaps  664:
1.1       kristaps  665:        switch (type) {
1.264     schwarze  666:        case LIST_column:
1.134     kristaps  667:                if (MDOC_HEAD == n->type)
1.1       kristaps  668:                        break;
1.155     kristaps  669:
1.105     kristaps  670:                /*
1.108     kristaps  671:                 * Imitate groff's column handling:
                    672:                 * - For each earlier column, add its width.
                    673:                 * - For less than 5 columns, add four more blanks per
                    674:                 *   column.
                    675:                 * - For exactly 5 columns, add three more blank per
                    676:                 *   column.
                    677:                 * - For more than 5 columns, add only one column.
1.105     kristaps  678:                 */
1.202     kristaps  679:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  680:                dcol = ncols < 5 ? term_len(p, 4) :
                    681:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  682:
1.134     kristaps  683:                /*
                    684:                 * Calculate the offset by applying all prior MDOC_BODY,
                    685:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    686:                 */
                    687:
1.264     schwarze  688:                for (i = 0, nn = n->prev;
                    689:                    nn->prev && i < (int)ncols;
                    690:                    nn = nn->prev, i++)
                    691:                        offset += dcol + a2width(p,
                    692:                            bl->norm->Bl.cols[i]);
1.105     kristaps  693:
                    694:                /*
1.108     kristaps  695:                 * When exceeding the declared number of columns, leave
                    696:                 * the remaining widths at 0.  This will later be
                    697:                 * adjusted to the default width of 10, or, for the last
                    698:                 * column, stretched to the right margin.
1.58      kristaps  699:                 */
1.108     kristaps  700:                if (i >= (int)ncols)
                    701:                        break;
1.58      kristaps  702:
1.105     kristaps  703:                /*
1.108     kristaps  704:                 * Use the declared column widths, extended as explained
                    705:                 * in the preceding paragraph.
1.105     kristaps  706:                 */
1.202     kristaps  707:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  708:                break;
                    709:        default:
1.202     kristaps  710:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  711:                        break;
                    712:
1.264     schwarze  713:                /*
1.108     kristaps  714:                 * Note: buffer the width by 2, which is groff's magic
                    715:                 * number for buffering single arguments.  See the above
                    716:                 * handling for column for how this changes.
                    717:                 */
1.202     kristaps  718:                assert(bl->norm->Bl.width);
                    719:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.1       kristaps  720:                break;
                    721:        }
                    722:
1.264     schwarze  723:        /*
1.1       kristaps  724:         * List-type can override the width in the case of fixed-head
                    725:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  726:         * offset.
1.1       kristaps  727:         */
                    728:
                    729:        switch (type) {
1.264     schwarze  730:        case LIST_bullet:
1.1       kristaps  731:                /* FALLTHROUGH */
1.264     schwarze  732:        case LIST_dash:
1.1       kristaps  733:                /* FALLTHROUGH */
1.264     schwarze  734:        case LIST_hyphen:
1.242     schwarze  735:                /* FALLTHROUGH */
1.264     schwarze  736:        case LIST_enum:
1.242     schwarze  737:                if (width < term_len(p, 2))
                    738:                        width = term_len(p, 2);
1.17      kristaps  739:                break;
1.264     schwarze  740:        case LIST_hang:
1.39      kristaps  741:                if (0 == width)
1.157     kristaps  742:                        width = term_len(p, 8);
1.39      kristaps  743:                break;
1.264     schwarze  744:        case LIST_column:
1.49      kristaps  745:                /* FALLTHROUGH */
1.264     schwarze  746:        case LIST_tag:
1.1       kristaps  747:                if (0 == width)
1.157     kristaps  748:                        width = term_len(p, 10);
1.1       kristaps  749:                break;
                    750:        default:
                    751:                break;
                    752:        }
                    753:
1.264     schwarze  754:        /*
1.17      kristaps  755:         * Whitespace control.  Inset bodies need an initial space,
                    756:         * while diagonal bodies need two.
1.1       kristaps  757:         */
                    758:
1.51      kristaps  759:        p->flags |= TERMP_NOSPACE;
                    760:
1.1       kristaps  761:        switch (type) {
1.264     schwarze  762:        case LIST_diag:
1.86      kristaps  763:                if (MDOC_BODY == n->type)
1.62      kristaps  764:                        term_word(p, "\\ \\ ");
1.51      kristaps  765:                break;
1.264     schwarze  766:        case LIST_inset:
1.270     schwarze  767:                if (MDOC_BODY == n->type && n->parent->head->nchild)
1.51      kristaps  768:                        term_word(p, "\\ ");
1.1       kristaps  769:                break;
                    770:        default:
                    771:                break;
                    772:        }
                    773:
1.51      kristaps  774:        p->flags |= TERMP_NOSPACE;
                    775:
1.1       kristaps  776:        switch (type) {
1.264     schwarze  777:        case LIST_diag:
1.86      kristaps  778:                if (MDOC_HEAD == n->type)
1.102     kristaps  779:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  780:                break;
                    781:        default:
                    782:                break;
                    783:        }
                    784:
                    785:        /*
1.109     kristaps  786:         * Pad and break control.  This is the tricky part.  These flags
                    787:         * are documented in term_flushln() in term.c.  Note that we're
                    788:         * going to unset all of these flags in termp_it_post() when we
                    789:         * exit.
1.1       kristaps  790:         */
                    791:
                    792:        switch (type) {
1.264     schwarze  793:        case LIST_enum:
1.242     schwarze  794:                /*
                    795:                 * Weird special case.
                    796:                 * Very narrow enum lists actually hang.
                    797:                 */
                    798:                if (width == term_len(p, 2))
                    799:                        p->flags |= TERMP_HANG;
                    800:                /* FALLTHROUGH */
1.264     schwarze  801:        case LIST_bullet:
1.1       kristaps  802:                /* FALLTHROUGH */
1.264     schwarze  803:        case LIST_dash:
1.1       kristaps  804:                /* FALLTHROUGH */
1.264     schwarze  805:        case LIST_hyphen:
1.250     schwarze  806:                if (MDOC_HEAD != n->type)
                    807:                        break;
                    808:                p->flags |= TERMP_NOBREAK;
                    809:                p->trailspace = 1;
1.39      kristaps  810:                break;
1.264     schwarze  811:        case LIST_hang:
1.250     schwarze  812:                if (MDOC_HEAD != n->type)
1.59      kristaps  813:                        break;
                    814:
                    815:                /*
                    816:                 * This is ugly.  If `-hang' is specified and the body
                    817:                 * is a `Bl' or `Bd', then we want basically to nullify
                    818:                 * the "overstep" effect in term_flushln() and treat
                    819:                 * this as a `-ohang' list instead.
                    820:                 */
1.279     schwarze  821:                if (NULL != n->next &&
1.278     schwarze  822:                    NULL != n->next->child &&
                    823:                    (MDOC_Bl == n->next->child->tok ||
                    824:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  825:                        break;
                    826:
1.263     schwarze  827:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  828:                p->trailspace = 1;
1.39      kristaps  829:                break;
1.264     schwarze  830:        case LIST_tag:
1.86      kristaps  831:                if (MDOC_HEAD != n->type)
1.39      kristaps  832:                        break;
1.250     schwarze  833:
1.263     schwarze  834:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  835:                p->trailspace = 2;
                    836:
1.86      kristaps  837:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  838:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  839:                break;
1.264     schwarze  840:        case LIST_column:
1.134     kristaps  841:                if (MDOC_HEAD == n->type)
                    842:                        break;
                    843:
1.250     schwarze  844:                if (NULL == n->next) {
1.134     kristaps  845:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  846:                        p->trailspace = 0;
                    847:                } else {
1.134     kristaps  848:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  849:                        p->trailspace = 1;
                    850:                }
1.134     kristaps  851:
1.1       kristaps  852:                break;
1.264     schwarze  853:        case LIST_diag:
1.250     schwarze  854:                if (MDOC_HEAD != n->type)
                    855:                        break;
1.263     schwarze  856:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  857:                p->trailspace = 1;
1.1       kristaps  858:                break;
                    859:        default:
                    860:                break;
                    861:        }
                    862:
1.264     schwarze  863:        /*
1.1       kristaps  864:         * Margin control.  Set-head-width lists have their right
                    865:         * margins shortened.  The body for these lists has the offset
                    866:         * necessarily lengthened.  Everybody gets the offset.
                    867:         */
                    868:
                    869:        p->offset += offset;
                    870:
                    871:        switch (type) {
1.264     schwarze  872:        case LIST_hang:
1.59      kristaps  873:                /*
                    874:                 * Same stipulation as above, regarding `-hang'.  We
                    875:                 * don't want to recalculate rmargin and offsets when
                    876:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    877:                 */
1.279     schwarze  878:                if (MDOC_HEAD == n->type &&
                    879:                    NULL != n->next &&
1.278     schwarze  880:                    NULL != n->next->child &&
                    881:                    (MDOC_Bl == n->next->child->tok ||
                    882:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  883:                        break;
                    884:                /* FALLTHROUGH */
1.264     schwarze  885:        case LIST_bullet:
1.1       kristaps  886:                /* FALLTHROUGH */
1.264     schwarze  887:        case LIST_dash:
1.1       kristaps  888:                /* FALLTHROUGH */
1.264     schwarze  889:        case LIST_enum:
1.1       kristaps  890:                /* FALLTHROUGH */
1.264     schwarze  891:        case LIST_hyphen:
1.1       kristaps  892:                /* FALLTHROUGH */
1.264     schwarze  893:        case LIST_tag:
1.49      kristaps  894:                assert(width);
1.86      kristaps  895:                if (MDOC_HEAD == n->type)
1.1       kristaps  896:                        p->rmargin = p->offset + width;
1.259     schwarze  897:                else {
1.1       kristaps  898:                        p->offset += width;
1.259     schwarze  899:                        if (p->rmargin < p->offset)
                    900:                                p->rmargin = p->offset;
                    901:                }
1.1       kristaps  902:                break;
1.264     schwarze  903:        case LIST_column:
1.49      kristaps  904:                assert(width);
1.1       kristaps  905:                p->rmargin = p->offset + width;
1.264     schwarze  906:                /*
1.50      kristaps  907:                 * XXX - this behaviour is not documented: the
                    908:                 * right-most column is filled to the right margin.
                    909:                 */
1.134     kristaps  910:                if (MDOC_HEAD == n->type)
                    911:                        break;
                    912:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  913:                        p->rmargin = p->maxrmargin;
1.1       kristaps  914:                break;
                    915:        default:
                    916:                break;
                    917:        }
                    918:
1.264     schwarze  919:        /*
1.1       kristaps  920:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  921:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  922:         */
                    923:
1.86      kristaps  924:        if (MDOC_HEAD == n->type)
1.1       kristaps  925:                switch (type) {
1.264     schwarze  926:                case LIST_bullet:
1.102     kristaps  927:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  928:                        term_word(p, "\\[bu]");
1.102     kristaps  929:                        term_fontpop(p);
1.1       kristaps  930:                        break;
1.264     schwarze  931:                case LIST_dash:
1.1       kristaps  932:                        /* FALLTHROUGH */
1.264     schwarze  933:                case LIST_hyphen:
1.102     kristaps  934:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  935:                        term_word(p, "\\(hy");
1.102     kristaps  936:                        term_fontpop(p);
1.1       kristaps  937:                        break;
1.264     schwarze  938:                case LIST_enum:
1.1       kristaps  939:                        (pair->ppair->ppair->count)++;
1.265     schwarze  940:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  941:                            pair->ppair->ppair->count);
1.1       kristaps  942:                        term_word(p, buf);
                    943:                        break;
                    944:                default:
                    945:                        break;
                    946:                }
                    947:
1.264     schwarze  948:        /*
1.1       kristaps  949:         * If we're not going to process our children, indicate so here.
                    950:         */
                    951:
                    952:        switch (type) {
1.264     schwarze  953:        case LIST_bullet:
1.1       kristaps  954:                /* FALLTHROUGH */
1.264     schwarze  955:        case LIST_item:
1.1       kristaps  956:                /* FALLTHROUGH */
1.264     schwarze  957:        case LIST_dash:
1.1       kristaps  958:                /* FALLTHROUGH */
1.264     schwarze  959:        case LIST_hyphen:
1.1       kristaps  960:                /* FALLTHROUGH */
1.264     schwarze  961:        case LIST_enum:
1.86      kristaps  962:                if (MDOC_HEAD == n->type)
1.1       kristaps  963:                        return(0);
                    964:                break;
1.264     schwarze  965:        case LIST_column:
1.134     kristaps  966:                if (MDOC_HEAD == n->type)
1.1       kristaps  967:                        return(0);
                    968:                break;
                    969:        default:
                    970:                break;
                    971:        }
                    972:
                    973:        return(1);
                    974: }
                    975:
                    976: static void
                    977: termp_it_post(DECL_ARGS)
                    978: {
1.126     kristaps  979:        enum mdoc_list     type;
1.1       kristaps  980:
1.109     kristaps  981:        if (MDOC_BLOCK == n->type)
1.1       kristaps  982:                return;
                    983:
1.202     kristaps  984:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  985:
                    986:        switch (type) {
1.264     schwarze  987:        case LIST_item:
1.1       kristaps  988:                /* FALLTHROUGH */
1.264     schwarze  989:        case LIST_diag:
1.53      kristaps  990:                /* FALLTHROUGH */
1.264     schwarze  991:        case LIST_inset:
1.86      kristaps  992:                if (MDOC_BODY == n->type)
1.130     schwarze  993:                        term_newln(p);
1.1       kristaps  994:                break;
1.264     schwarze  995:        case LIST_column:
1.134     kristaps  996:                if (MDOC_BODY == n->type)
1.1       kristaps  997:                        term_flushln(p);
                    998:                break;
                    999:        default:
1.130     schwarze 1000:                term_newln(p);
1.1       kristaps 1001:                break;
                   1002:        }
                   1003:
1.264     schwarze 1004:        /*
1.109     kristaps 1005:         * Now that our output is flushed, we can reset our tags.  Since
                   1006:         * only `It' sets these flags, we're free to assume that nobody
                   1007:         * has munged them in the meanwhile.
                   1008:         */
                   1009:
1.263     schwarze 1010:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   1011:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze 1012:        p->trailspace = 0;
1.1       kristaps 1013: }
                   1014:
                   1015: static int
                   1016: termp_nm_pre(DECL_ARGS)
                   1017: {
                   1018:
1.253     schwarze 1019:        if (MDOC_BLOCK == n->type) {
                   1020:                p->flags |= TERMP_PREKEEP;
1.164     schwarze 1021:                return(1);
1.253     schwarze 1022:        }
1.164     schwarze 1023:
                   1024:        if (MDOC_BODY == n->type) {
                   1025:                if (NULL == n->child)
                   1026:                        return(0);
1.234     schwarze 1027:                p->flags |= TERMP_NOSPACE;
1.164     schwarze 1028:                p->offset += term_len(p, 1) +
1.245     schwarze 1029:                    (NULL == n->prev->child ?
                   1030:                     term_strlen(p, meta->name) :
1.164     schwarze 1031:                     MDOC_TEXT == n->prev->child->type ?
1.245     schwarze 1032:                     term_strlen(p, n->prev->child->string) :
1.164     schwarze 1033:                     term_len(p, 5));
1.262     schwarze 1034:                if (p->rmargin < p->offset)
                   1035:                        p->rmargin = p->offset;
1.164     schwarze 1036:                return(1);
                   1037:        }
                   1038:
1.245     schwarze 1039:        if (NULL == n->child && NULL == meta->name)
1.164     schwarze 1040:                return(0);
1.125     kristaps 1041:
1.177     schwarze 1042:        if (MDOC_HEAD == n->type)
                   1043:                synopsis_pre(p, n->parent);
1.102     kristaps 1044:
1.279     schwarze 1045:        if (MDOC_HEAD == n->type &&
1.278     schwarze 1046:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1047:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1048:                p->trailspace = 1;
1.185     schwarze 1049:                p->rmargin = p->offset + term_len(p, 1);
                   1050:                if (NULL == n->child) {
1.245     schwarze 1051:                        p->rmargin += term_strlen(p, meta->name);
1.185     schwarze 1052:                } else if (MDOC_TEXT == n->child->type) {
                   1053:                        p->rmargin += term_strlen(p, n->child->string);
                   1054:                        if (n->child->next)
                   1055:                                p->flags |= TERMP_HANG;
                   1056:                } else {
                   1057:                        p->rmargin += term_len(p, 5);
                   1058:                        p->flags |= TERMP_HANG;
                   1059:                }
1.164     schwarze 1060:        }
                   1061:
1.102     kristaps 1062:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1063:        if (NULL == n->child)
1.245     schwarze 1064:                term_word(p, meta->name);
1.1       kristaps 1065:        return(1);
                   1066: }
                   1067:
1.164     schwarze 1068: static void
                   1069: termp_nm_post(DECL_ARGS)
                   1070: {
                   1071:
1.253     schwarze 1072:        if (MDOC_BLOCK == n->type) {
                   1073:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.279     schwarze 1074:        } else if (MDOC_HEAD == n->type &&
1.278     schwarze 1075:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1076:                term_flushln(p);
1.263     schwarze 1077:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1078:                p->trailspace = 0;
1.234     schwarze 1079:        } else if (MDOC_BODY == n->type && n->child)
1.164     schwarze 1080:                term_flushln(p);
                   1081: }
                   1082:
1.1       kristaps 1083: static int
                   1084: termp_fl_pre(DECL_ARGS)
                   1085: {
                   1086:
1.102     kristaps 1087:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1088:        term_word(p, "\\-");
1.103     kristaps 1089:
1.280     schwarze 1090:        if ( ! (n->nchild == 0 &&
                   1091:            (n->next == NULL ||
                   1092:             n->next->type == MDOC_TEXT ||
                   1093:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1094:                p->flags |= TERMP_NOSPACE;
                   1095:
1.1       kristaps 1096:        return(1);
                   1097: }
                   1098:
                   1099: static int
1.184     kristaps 1100: termp__a_pre(DECL_ARGS)
                   1101: {
                   1102:
                   1103:        if (n->prev && MDOC__A == n->prev->tok)
                   1104:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1105:                        term_word(p, "and");
                   1106:
                   1107:        return(1);
                   1108: }
                   1109:
                   1110: static int
1.61      kristaps 1111: termp_an_pre(DECL_ARGS)
                   1112: {
                   1113:
1.282     schwarze 1114:        if (n->norm->An.auth == AUTH_split) {
                   1115:                p->flags &= ~TERMP_NOSPLIT;
                   1116:                p->flags |= TERMP_SPLIT;
                   1117:                return(0);
                   1118:        }
                   1119:        if (n->norm->An.auth == AUTH_nosplit) {
                   1120:                p->flags &= ~TERMP_SPLIT;
                   1121:                p->flags |= TERMP_NOSPLIT;
                   1122:                return(0);
                   1123:        }
1.61      kristaps 1124:
1.282     schwarze 1125:        if (n->child == NULL)
                   1126:                return(0);
1.264     schwarze 1127:
1.282     schwarze 1128:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1129:                term_newln(p);
                   1130:
1.282     schwarze 1131:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1132:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1133:
                   1134:        return(1);
                   1135: }
                   1136:
                   1137: static int
1.1       kristaps 1138: termp_ns_pre(DECL_ARGS)
                   1139: {
                   1140:
1.215     kristaps 1141:        if ( ! (MDOC_LINE & n->flags))
                   1142:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1143:        return(1);
                   1144: }
                   1145:
                   1146: static int
                   1147: termp_rs_pre(DECL_ARGS)
                   1148: {
                   1149:
1.86      kristaps 1150:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1151:                return(1);
1.86      kristaps 1152:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1153:                term_vspace(p);
                   1154:        return(1);
                   1155: }
                   1156:
                   1157: static int
                   1158: termp_rv_pre(DECL_ARGS)
                   1159: {
1.223     kristaps 1160:        int              nchild;
1.1       kristaps 1161:
                   1162:        term_newln(p);
                   1163:
1.223     kristaps 1164:        nchild = n->nchild;
1.273     schwarze 1165:        if (nchild > 0) {
                   1166:                term_word(p, "The");
1.224     kristaps 1167:
1.273     schwarze 1168:                for (n = n->child; n; n = n->next) {
                   1169:                        term_fontpush(p, TERMFONT_BOLD);
                   1170:                        term_word(p, n->string);
                   1171:                        term_fontpop(p);
1.223     kristaps 1172:
                   1173:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1174:                        term_word(p, "()");
                   1175:
                   1176:                        if (n->next == NULL)
                   1177:                                continue;
                   1178:
                   1179:                        if (nchild > 2) {
                   1180:                                p->flags |= TERMP_NOSPACE;
                   1181:                                term_word(p, ",");
                   1182:                        }
                   1183:                        if (n->next->next == NULL)
                   1184:                                term_word(p, "and");
1.223     kristaps 1185:                }
                   1186:
1.273     schwarze 1187:                if (nchild > 1)
                   1188:                        term_word(p, "functions return");
                   1189:                else
                   1190:                        term_word(p, "function returns");
                   1191:
                   1192:                term_word(p, "the value\\~0 if successful;");
                   1193:        } else
                   1194:                term_word(p, "Upon successful completion,"
                   1195:                    " the value\\~0 is returned;");
1.1       kristaps 1196:
1.273     schwarze 1197:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1198:            " and the global variable");
1.1       kristaps 1199:
1.102     kristaps 1200:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1201:        term_word(p, "errno");
1.102     kristaps 1202:        term_fontpop(p);
1.1       kristaps 1203:
1.264     schwarze 1204:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1205:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1206:
1.68      kristaps 1207:        return(0);
1.1       kristaps 1208: }
                   1209:
                   1210: static int
                   1211: termp_ex_pre(DECL_ARGS)
                   1212: {
1.224     kristaps 1213:        int              nchild;
1.1       kristaps 1214:
1.224     kristaps 1215:        term_newln(p);
1.68      kristaps 1216:        term_word(p, "The");
1.1       kristaps 1217:
1.224     kristaps 1218:        nchild = n->nchild;
                   1219:        for (n = n->child; n; n = n->next) {
1.102     kristaps 1220:                term_fontpush(p, TERMFONT_BOLD);
1.224     kristaps 1221:                term_word(p, n->string);
1.102     kristaps 1222:                term_fontpop(p);
1.224     kristaps 1223:
                   1224:                if (nchild > 2 && n->next) {
                   1225:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1226:                        term_word(p, ",");
1.224     kristaps 1227:                }
                   1228:
                   1229:                if (n->next && NULL == n->next->next)
                   1230:                        term_word(p, "and");
1.68      kristaps 1231:        }
                   1232:
1.224     kristaps 1233:        if (nchild > 1)
1.273     schwarze 1234:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1235:        else
1.273     schwarze 1236:                term_word(p, "utility exits\\~0");
1.68      kristaps 1237:
1.273     schwarze 1238:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1239:
1.131     kristaps 1240:        p->flags |= TERMP_SENTENCE;
1.68      kristaps 1241:        return(0);
1.1       kristaps 1242: }
                   1243:
                   1244: static int
                   1245: termp_nd_pre(DECL_ARGS)
                   1246: {
1.25      kristaps 1247:
1.86      kristaps 1248:        if (MDOC_BODY != n->type)
1.25      kristaps 1249:                return(1);
1.30      kristaps 1250:
1.27      kristaps 1251: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1252:        term_word(p, "\\(en");
1.23      kristaps 1253: #else
                   1254:        term_word(p, "\\(em");
                   1255: #endif
1.1       kristaps 1256:        return(1);
1.115     kristaps 1257: }
                   1258:
                   1259: static int
                   1260: termp_bl_pre(DECL_ARGS)
                   1261: {
                   1262:
                   1263:        return(MDOC_HEAD != n->type);
1.1       kristaps 1264: }
                   1265:
                   1266: static void
                   1267: termp_bl_post(DECL_ARGS)
                   1268: {
                   1269:
1.86      kristaps 1270:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1271:                term_newln(p);
                   1272: }
                   1273:
                   1274: static int
                   1275: termp_xr_pre(DECL_ARGS)
                   1276: {
                   1277:
1.225     kristaps 1278:        if (NULL == (n = n->child))
1.113     kristaps 1279:                return(0);
                   1280:
1.225     kristaps 1281:        assert(MDOC_TEXT == n->type);
                   1282:        term_word(p, n->string);
1.11      kristaps 1283:
1.264     schwarze 1284:        if (NULL == (n = n->next))
1.1       kristaps 1285:                return(0);
1.225     kristaps 1286:
1.1       kristaps 1287:        p->flags |= TERMP_NOSPACE;
                   1288:        term_word(p, "(");
1.222     kristaps 1289:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1290:
                   1291:        assert(MDOC_TEXT == n->type);
                   1292:        term_word(p, n->string);
                   1293:
1.222     kristaps 1294:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1295:        term_word(p, ")");
1.86      kristaps 1296:
1.1       kristaps 1297:        return(0);
                   1298: }
                   1299:
1.143     kristaps 1300: /*
                   1301:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1302:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1303:  * macro combos).
                   1304:  */
                   1305: static void
                   1306: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1307: {
1.264     schwarze 1308:        /*
1.143     kristaps 1309:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1310:         * exist, do nothing.
                   1311:         */
1.160     kristaps 1312:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1313:                return;
                   1314:
                   1315:        /*
                   1316:         * If we're the second in a pair of like elements, emit our
                   1317:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1318:         * case we soldier on.
                   1319:         */
1.264     schwarze 1320:        if (n->prev->tok == n->tok &&
                   1321:            MDOC_Ft != n->tok &&
                   1322:            MDOC_Fo != n->tok &&
                   1323:            MDOC_Fn != n->tok) {
1.143     kristaps 1324:                term_newln(p);
                   1325:                return;
                   1326:        }
                   1327:
                   1328:        /*
                   1329:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1330:         * another (or Fn/Fo, which we've let slip through) then assert
                   1331:         * vertical space, else only newline and move on.
                   1332:         */
                   1333:        switch (n->prev->tok) {
1.264     schwarze 1334:        case MDOC_Fd:
1.143     kristaps 1335:                /* FALLTHROUGH */
1.264     schwarze 1336:        case MDOC_Fn:
1.143     kristaps 1337:                /* FALLTHROUGH */
1.264     schwarze 1338:        case MDOC_Fo:
1.143     kristaps 1339:                /* FALLTHROUGH */
1.264     schwarze 1340:        case MDOC_In:
1.143     kristaps 1341:                /* FALLTHROUGH */
1.264     schwarze 1342:        case MDOC_Vt:
1.143     kristaps 1343:                term_vspace(p);
                   1344:                break;
1.264     schwarze 1345:        case MDOC_Ft:
1.143     kristaps 1346:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1347:                        term_vspace(p);
                   1348:                        break;
                   1349:                }
                   1350:                /* FALLTHROUGH */
                   1351:        default:
                   1352:                term_newln(p);
                   1353:                break;
                   1354:        }
                   1355: }
                   1356:
1.110     kristaps 1357: static int
                   1358: termp_vt_pre(DECL_ARGS)
                   1359: {
                   1360:
1.143     kristaps 1361:        if (MDOC_ELEM == n->type) {
                   1362:                synopsis_pre(p, n);
1.245     schwarze 1363:                return(termp_under_pre(p, pair, meta, n));
1.143     kristaps 1364:        } else if (MDOC_BLOCK == n->type) {
                   1365:                synopsis_pre(p, n);
                   1366:                return(1);
                   1367:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1368:                return(0);
                   1369:
1.245     schwarze 1370:        return(termp_under_pre(p, pair, meta, n));
1.110     kristaps 1371: }
                   1372:
1.1       kristaps 1373: static int
1.69      kristaps 1374: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1375: {
                   1376:
1.102     kristaps 1377:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1378:        return(1);
                   1379: }
                   1380:
1.143     kristaps 1381: static int
                   1382: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1383: {
                   1384:
1.143     kristaps 1385:        synopsis_pre(p, n);
1.245     schwarze 1386:        return(termp_bold_pre(p, pair, meta, n));
1.1       kristaps 1387: }
                   1388:
1.241     schwarze 1389: static void
                   1390: termp_fd_post(DECL_ARGS)
                   1391: {
                   1392:
                   1393:        term_newln(p);
                   1394: }
                   1395:
1.1       kristaps 1396: static int
                   1397: termp_sh_pre(DECL_ARGS)
                   1398: {
1.85      kristaps 1399:
                   1400:        /* No vspace between consecutive `Sh' calls. */
                   1401:
1.86      kristaps 1402:        switch (n->type) {
1.264     schwarze 1403:        case MDOC_BLOCK:
1.86      kristaps 1404:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1405:                        if (NULL == n->prev->body->child)
1.65      kristaps 1406:                                break;
                   1407:                term_vspace(p);
                   1408:                break;
1.264     schwarze 1409:        case MDOC_HEAD:
1.102     kristaps 1410:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1411:                break;
1.264     schwarze 1412:        case MDOC_BODY:
1.238     schwarze 1413:                p->offset = term_len(p, p->defindent);
1.239     schwarze 1414:                if (SEC_AUTHORS == n->sec)
                   1415:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.1       kristaps 1416:                break;
                   1417:        default:
                   1418:                break;
                   1419:        }
                   1420:        return(1);
                   1421: }
                   1422:
                   1423: static void
                   1424: termp_sh_post(DECL_ARGS)
                   1425: {
                   1426:
1.86      kristaps 1427:        switch (n->type) {
1.264     schwarze 1428:        case MDOC_HEAD:
1.1       kristaps 1429:                term_newln(p);
                   1430:                break;
1.264     schwarze 1431:        case MDOC_BODY:
1.1       kristaps 1432:                term_newln(p);
                   1433:                p->offset = 0;
                   1434:                break;
                   1435:        default:
                   1436:                break;
                   1437:        }
                   1438: }
                   1439:
                   1440: static int
                   1441: termp_bt_pre(DECL_ARGS)
                   1442: {
                   1443:
                   1444:        term_word(p, "is currently in beta test.");
1.131     kristaps 1445:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1446:        return(0);
1.1       kristaps 1447: }
                   1448:
                   1449: static void
                   1450: termp_lb_post(DECL_ARGS)
                   1451: {
                   1452:
1.122     kristaps 1453:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1454:                term_newln(p);
1.1       kristaps 1455: }
                   1456:
                   1457: static int
                   1458: termp_ud_pre(DECL_ARGS)
                   1459: {
                   1460:
                   1461:        term_word(p, "currently under development.");
1.131     kristaps 1462:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1463:        return(0);
1.1       kristaps 1464: }
                   1465:
                   1466: static int
                   1467: termp_d1_pre(DECL_ARGS)
                   1468: {
                   1469:
1.86      kristaps 1470:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1471:                return(1);
                   1472:        term_newln(p);
1.238     schwarze 1473:        p->offset += term_len(p, p->defindent + 1);
1.1       kristaps 1474:        return(1);
                   1475: }
                   1476:
                   1477: static int
                   1478: termp_ft_pre(DECL_ARGS)
                   1479: {
                   1480:
1.141     kristaps 1481:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1482:        synopsis_pre(p, n);
1.102     kristaps 1483:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1484:        return(1);
                   1485: }
                   1486:
                   1487: static int
                   1488: termp_fn_pre(DECL_ARGS)
                   1489: {
1.257     schwarze 1490:        size_t           rmargin = 0;
1.226     kristaps 1491:        int              pretty;
                   1492:
                   1493:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1494:
1.143     kristaps 1495:        synopsis_pre(p, n);
1.139     kristaps 1496:
1.226     kristaps 1497:        if (NULL == (n = n->child))
                   1498:                return(0);
                   1499:
1.251     schwarze 1500:        if (pretty) {
                   1501:                rmargin = p->rmargin;
1.257     schwarze 1502:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1503:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1504:        }
                   1505:
1.226     kristaps 1506:        assert(MDOC_TEXT == n->type);
1.102     kristaps 1507:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1508:        term_word(p, n->string);
1.102     kristaps 1509:        term_fontpop(p);
1.1       kristaps 1510:
1.251     schwarze 1511:        if (pretty) {
                   1512:                term_flushln(p);
1.263     schwarze 1513:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1514:                p->offset = p->rmargin;
                   1515:                p->rmargin = rmargin;
                   1516:        }
                   1517:
1.1       kristaps 1518:        p->flags |= TERMP_NOSPACE;
                   1519:        term_word(p, "(");
1.222     kristaps 1520:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1521:
1.226     kristaps 1522:        for (n = n->next; n; n = n->next) {
                   1523:                assert(MDOC_TEXT == n->type);
1.102     kristaps 1524:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1525:                if (pretty)
                   1526:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1527:                term_word(p, n->string);
1.102     kristaps 1528:                term_fontpop(p);
                   1529:
1.226     kristaps 1530:                if (n->next) {
1.222     kristaps 1531:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1532:                        term_word(p, ",");
1.222     kristaps 1533:                }
1.1       kristaps 1534:        }
                   1535:
1.222     kristaps 1536:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1537:        term_word(p, ")");
                   1538:
1.226     kristaps 1539:        if (pretty) {
1.222     kristaps 1540:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1541:                term_word(p, ";");
1.251     schwarze 1542:                term_flushln(p);
1.222     kristaps 1543:        }
1.1       kristaps 1544:
                   1545:        return(0);
                   1546: }
                   1547:
                   1548: static int
                   1549: termp_fa_pre(DECL_ARGS)
                   1550: {
1.86      kristaps 1551:        const struct mdoc_node  *nn;
1.1       kristaps 1552:
1.86      kristaps 1553:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1554:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1555:                return(1);
                   1556:        }
                   1557:
1.86      kristaps 1558:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1559:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1560:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1561:                term_word(p, nn->string);
1.102     kristaps 1562:                term_fontpop(p);
                   1563:
1.256     schwarze 1564:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1565:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1566:                        term_word(p, ",");
1.222     kristaps 1567:                }
1.1       kristaps 1568:        }
                   1569:
                   1570:        return(0);
                   1571: }
                   1572:
                   1573: static int
                   1574: termp_bd_pre(DECL_ARGS)
                   1575: {
1.272     schwarze 1576:        size_t                   tabwidth, lm, len, rm, rmax;
1.244     schwarze 1577:        struct mdoc_node        *nn;
1.1       kristaps 1578:
1.86      kristaps 1579:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1580:                print_bvspace(p, n, n);
1.54      kristaps 1581:                return(1);
1.116     kristaps 1582:        } else if (MDOC_HEAD == n->type)
                   1583:                return(0);
1.1       kristaps 1584:
1.202     kristaps 1585:        if (n->norm->Bd.offs)
                   1586:                p->offset += a2offs(p, n->norm->Bd.offs);
1.85      kristaps 1587:
                   1588:        /*
                   1589:         * If -ragged or -filled are specified, the block does nothing
                   1590:         * but change the indentation.  If -unfilled or -literal are
                   1591:         * specified, text is printed exactly as entered in the display:
                   1592:         * for macro lines, a newline is appended to the line.  Blank
                   1593:         * lines are allowed.
                   1594:         */
1.264     schwarze 1595:
                   1596:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1597:            DISP_unfilled != n->norm->Bd.type &&
                   1598:            DISP_centered != n->norm->Bd.type)
1.1       kristaps 1599:                return(1);
                   1600:
1.129     schwarze 1601:        tabwidth = p->tabwidth;
1.208     kristaps 1602:        if (DISP_literal == n->norm->Bd.type)
                   1603:                p->tabwidth = term_len(p, 8);
                   1604:
1.272     schwarze 1605:        lm = p->offset;
1.119     kristaps 1606:        rm = p->rmargin;
                   1607:        rmax = p->maxrmargin;
1.120     kristaps 1608:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1609:
1.86      kristaps 1610:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1611:                if (DISP_centered == n->norm->Bd.type) {
                   1612:                        if (MDOC_TEXT == nn->type) {
                   1613:                                len = term_strlen(p, nn->string);
                   1614:                                p->offset = len >= rm ? 0 :
                   1615:                                    lm + len >= rm ? rm - len :
                   1616:                                    (lm + rm - len) / 2;
                   1617:                        } else
                   1618:                                p->offset = lm;
                   1619:                }
1.245     schwarze 1620:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1621:                /*
                   1622:                 * If the printed node flushes its own line, then we
                   1623:                 * needn't do it here as well.  This is hacky, but the
                   1624:                 * notion of selective eoln whitespace is pretty dumb
                   1625:                 * anyway, so don't sweat it.
                   1626:                 */
                   1627:                switch (nn->tok) {
1.264     schwarze 1628:                case MDOC_Sm:
1.193     kristaps 1629:                        /* FALLTHROUGH */
1.264     schwarze 1630:                case MDOC_br:
1.190     kristaps 1631:                        /* FALLTHROUGH */
1.264     schwarze 1632:                case MDOC_sp:
1.190     kristaps 1633:                        /* FALLTHROUGH */
1.264     schwarze 1634:                case MDOC_Bl:
1.196     kristaps 1635:                        /* FALLTHROUGH */
1.264     schwarze 1636:                case MDOC_D1:
1.196     kristaps 1637:                        /* FALLTHROUGH */
1.264     schwarze 1638:                case MDOC_Dl:
1.190     kristaps 1639:                        /* FALLTHROUGH */
1.264     schwarze 1640:                case MDOC_Lp:
1.190     kristaps 1641:                        /* FALLTHROUGH */
1.264     schwarze 1642:                case MDOC_Pp:
1.190     kristaps 1643:                        continue;
                   1644:                default:
                   1645:                        break;
                   1646:                }
1.180     schwarze 1647:                if (nn->next && nn->next->line == nn->line)
                   1648:                        continue;
                   1649:                term_flushln(p);
                   1650:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1651:        }
1.147     kristaps 1652:
1.129     schwarze 1653:        p->tabwidth = tabwidth;
1.119     kristaps 1654:        p->rmargin = rm;
                   1655:        p->maxrmargin = rmax;
1.1       kristaps 1656:        return(0);
                   1657: }
                   1658:
                   1659: static void
                   1660: termp_bd_post(DECL_ARGS)
                   1661: {
1.119     kristaps 1662:        size_t           rm, rmax;
1.1       kristaps 1663:
1.264     schwarze 1664:        if (MDOC_BODY != n->type)
1.1       kristaps 1665:                return;
1.118     kristaps 1666:
1.119     kristaps 1667:        rm = p->rmargin;
                   1668:        rmax = p->maxrmargin;
1.118     kristaps 1669:
1.264     schwarze 1670:        if (DISP_literal == n->norm->Bd.type ||
                   1671:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1672:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1673:
1.60      kristaps 1674:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1675:        term_newln(p);
1.118     kristaps 1676:
1.119     kristaps 1677:        p->rmargin = rm;
                   1678:        p->maxrmargin = rmax;
1.1       kristaps 1679: }
                   1680:
1.211     kristaps 1681: static int
                   1682: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1683: {
                   1684:
1.211     kristaps 1685:        if (NULL != (n = n->child)) {
                   1686:                term_word(p, n->string);
                   1687:                p->flags |= TERMP_NOSPACE;
                   1688:                term_word(p, "BSD");
                   1689:        } else {
                   1690:                term_word(p, "BSD");
                   1691:                return(0);
                   1692:        }
                   1693:
                   1694:        if (NULL != (n = n->next)) {
                   1695:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1696:                term_word(p, "-");
1.1       kristaps 1697:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1698:                term_word(p, n->string);
1.211     kristaps 1699:        }
                   1700:
                   1701:        return(0);
1.1       kristaps 1702: }
                   1703:
                   1704: static int
1.26      kristaps 1705: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1706: {
1.26      kristaps 1707:        const char      *pp;
1.218     schwarze 1708:        int              flags;
1.1       kristaps 1709:
1.26      kristaps 1710:        pp = NULL;
1.86      kristaps 1711:        switch (n->tok) {
1.264     schwarze 1712:        case MDOC_Bsx:
1.194     schwarze 1713:                pp = "BSD/OS";
1.26      kristaps 1714:                break;
1.264     schwarze 1715:        case MDOC_Dx:
1.100     kristaps 1716:                pp = "DragonFly";
1.26      kristaps 1717:                break;
1.264     schwarze 1718:        case MDOC_Fx:
1.26      kristaps 1719:                pp = "FreeBSD";
                   1720:                break;
1.264     schwarze 1721:        case MDOC_Nx:
1.26      kristaps 1722:                pp = "NetBSD";
                   1723:                break;
1.264     schwarze 1724:        case MDOC_Ox:
1.26      kristaps 1725:                pp = "OpenBSD";
                   1726:                break;
1.264     schwarze 1727:        case MDOC_Ux:
1.26      kristaps 1728:                pp = "UNIX";
                   1729:                break;
                   1730:        default:
1.246     schwarze 1731:                abort();
                   1732:                /* NOTREACHED */
1.26      kristaps 1733:        }
1.1       kristaps 1734:
1.26      kristaps 1735:        term_word(p, pp);
1.214     kristaps 1736:        if (n->child) {
1.218     schwarze 1737:                flags = p->flags;
1.214     kristaps 1738:                p->flags |= TERMP_KEEP;
                   1739:                term_word(p, n->child->string);
1.218     schwarze 1740:                p->flags = flags;
1.214     kristaps 1741:        }
                   1742:        return(0);
1.1       kristaps 1743: }
                   1744:
                   1745: static void
                   1746: termp_pf_post(DECL_ARGS)
                   1747: {
                   1748:
                   1749:        p->flags |= TERMP_NOSPACE;
                   1750: }
                   1751:
                   1752: static int
                   1753: termp_ss_pre(DECL_ARGS)
                   1754: {
                   1755:
1.86      kristaps 1756:        switch (n->type) {
1.264     schwarze 1757:        case MDOC_BLOCK:
1.1       kristaps 1758:                term_newln(p);
1.86      kristaps 1759:                if (n->prev)
1.1       kristaps 1760:                        term_vspace(p);
                   1761:                break;
1.264     schwarze 1762:        case MDOC_HEAD:
1.102     kristaps 1763:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1764:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1765:                break;
1.274     schwarze 1766:        case MDOC_BODY:
                   1767:                p->offset = term_len(p, p->defindent);
                   1768:                break;
1.1       kristaps 1769:        default:
                   1770:                break;
                   1771:        }
                   1772:
                   1773:        return(1);
                   1774: }
                   1775:
                   1776: static void
                   1777: termp_ss_post(DECL_ARGS)
                   1778: {
                   1779:
1.274     schwarze 1780:        if (n->type == MDOC_HEAD || n->type == MDOC_BODY)
1.1       kristaps 1781:                term_newln(p);
                   1782: }
                   1783:
                   1784: static int
                   1785: termp_cd_pre(DECL_ARGS)
                   1786: {
                   1787:
1.143     kristaps 1788:        synopsis_pre(p, n);
1.102     kristaps 1789:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1790:        return(1);
                   1791: }
                   1792:
                   1793: static int
                   1794: termp_in_pre(DECL_ARGS)
                   1795: {
1.142     schwarze 1796:
1.143     kristaps 1797:        synopsis_pre(p, n);
1.1       kristaps 1798:
1.160     kristaps 1799:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1800:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1801:                term_word(p, "#include");
1.138     kristaps 1802:                term_word(p, "<");
                   1803:        } else {
                   1804:                term_word(p, "<");
                   1805:                term_fontpush(p, TERMFONT_UNDER);
                   1806:        }
1.22      kristaps 1807:
1.1       kristaps 1808:        p->flags |= TERMP_NOSPACE;
                   1809:        return(1);
                   1810: }
                   1811:
                   1812: static void
                   1813: termp_in_post(DECL_ARGS)
                   1814: {
                   1815:
1.160     kristaps 1816:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1817:                term_fontpush(p, TERMFONT_BOLD);
                   1818:
1.79      kristaps 1819:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1820:        term_word(p, ">");
                   1821:
1.160     kristaps 1822:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1823:                term_fontpop(p);
1.1       kristaps 1824: }
                   1825:
                   1826: static int
1.45      kristaps 1827: termp_sp_pre(DECL_ARGS)
                   1828: {
1.91      kristaps 1829:        size_t           i, len;
1.45      kristaps 1830:
1.86      kristaps 1831:        switch (n->tok) {
1.264     schwarze 1832:        case MDOC_sp:
1.157     kristaps 1833:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1834:                break;
1.264     schwarze 1835:        case MDOC_br:
1.76      kristaps 1836:                len = 0;
                   1837:                break;
                   1838:        default:
                   1839:                len = 1;
                   1840:                break;
1.45      kristaps 1841:        }
                   1842:
                   1843:        if (0 == len)
                   1844:                term_newln(p);
                   1845:        for (i = 0; i < len; i++)
                   1846:                term_vspace(p);
                   1847:
                   1848:        return(0);
                   1849: }
                   1850:
                   1851: static int
1.268     schwarze 1852: termp_es_pre(DECL_ARGS)
                   1853: {
                   1854:
                   1855:        return(0);
                   1856: }
                   1857:
                   1858: static int
1.188     kristaps 1859: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1860: {
                   1861:
1.203     kristaps 1862:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1863:                return(1);
                   1864:
1.188     kristaps 1865:        switch (n->tok) {
1.264     schwarze 1866:        case MDOC_Ao:
1.188     kristaps 1867:                /* FALLTHROUGH */
1.264     schwarze 1868:        case MDOC_Aq:
1.188     kristaps 1869:                term_word(p, "<");
                   1870:                break;
1.264     schwarze 1871:        case MDOC_Bro:
1.188     kristaps 1872:                /* FALLTHROUGH */
1.264     schwarze 1873:        case MDOC_Brq:
1.188     kristaps 1874:                term_word(p, "{");
                   1875:                break;
1.264     schwarze 1876:        case MDOC_Oo:
1.188     kristaps 1877:                /* FALLTHROUGH */
1.264     schwarze 1878:        case MDOC_Op:
1.188     kristaps 1879:                /* FALLTHROUGH */
1.264     schwarze 1880:        case MDOC_Bo:
1.188     kristaps 1881:                /* FALLTHROUGH */
1.264     schwarze 1882:        case MDOC_Bq:
1.188     kristaps 1883:                term_word(p, "[");
                   1884:                break;
1.264     schwarze 1885:        case MDOC_Do:
1.188     kristaps 1886:                /* FALLTHROUGH */
1.264     schwarze 1887:        case MDOC_Dq:
1.249     schwarze 1888:                term_word(p, "\\(lq");
1.188     kristaps 1889:                break;
1.268     schwarze 1890:        case MDOC_En:
                   1891:                if (NULL == n->norm->Es ||
                   1892:                    NULL == n->norm->Es->child)
                   1893:                        return(1);
                   1894:                term_word(p, n->norm->Es->child->string);
                   1895:                break;
1.264     schwarze 1896:        case MDOC_Eo:
1.237     schwarze 1897:                break;
1.264     schwarze 1898:        case MDOC_Po:
1.188     kristaps 1899:                /* FALLTHROUGH */
1.264     schwarze 1900:        case MDOC_Pq:
1.188     kristaps 1901:                term_word(p, "(");
                   1902:                break;
1.264     schwarze 1903:        case MDOC__T:
1.205     kristaps 1904:                /* FALLTHROUGH */
1.264     schwarze 1905:        case MDOC_Qo:
1.188     kristaps 1906:                /* FALLTHROUGH */
1.264     schwarze 1907:        case MDOC_Qq:
1.188     kristaps 1908:                term_word(p, "\"");
                   1909:                break;
1.264     schwarze 1910:        case MDOC_Ql:
1.188     kristaps 1911:                /* FALLTHROUGH */
1.264     schwarze 1912:        case MDOC_So:
1.188     kristaps 1913:                /* FALLTHROUGH */
1.264     schwarze 1914:        case MDOC_Sq:
1.249     schwarze 1915:                term_word(p, "\\(oq");
1.188     kristaps 1916:                break;
                   1917:        default:
                   1918:                abort();
                   1919:                /* NOTREACHED */
                   1920:        }
1.1       kristaps 1921:
                   1922:        p->flags |= TERMP_NOSPACE;
                   1923:        return(1);
                   1924: }
                   1925:
                   1926: static void
1.188     kristaps 1927: termp_quote_post(DECL_ARGS)
1.1       kristaps 1928: {
                   1929:
1.203     kristaps 1930:        if (MDOC_BODY != n->type && MDOC_ELEM != n->type)
1.1       kristaps 1931:                return;
                   1932:
1.268     schwarze 1933:        if (MDOC_En != n->tok)
                   1934:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1935:
1.188     kristaps 1936:        switch (n->tok) {
1.264     schwarze 1937:        case MDOC_Ao:
1.188     kristaps 1938:                /* FALLTHROUGH */
1.264     schwarze 1939:        case MDOC_Aq:
1.188     kristaps 1940:                term_word(p, ">");
                   1941:                break;
1.264     schwarze 1942:        case MDOC_Bro:
1.188     kristaps 1943:                /* FALLTHROUGH */
1.264     schwarze 1944:        case MDOC_Brq:
1.188     kristaps 1945:                term_word(p, "}");
                   1946:                break;
1.264     schwarze 1947:        case MDOC_Oo:
1.188     kristaps 1948:                /* FALLTHROUGH */
1.264     schwarze 1949:        case MDOC_Op:
1.188     kristaps 1950:                /* FALLTHROUGH */
1.264     schwarze 1951:        case MDOC_Bo:
1.188     kristaps 1952:                /* FALLTHROUGH */
1.264     schwarze 1953:        case MDOC_Bq:
1.188     kristaps 1954:                term_word(p, "]");
                   1955:                break;
1.264     schwarze 1956:        case MDOC_Do:
1.188     kristaps 1957:                /* FALLTHROUGH */
1.264     schwarze 1958:        case MDOC_Dq:
1.249     schwarze 1959:                term_word(p, "\\(rq");
1.268     schwarze 1960:                break;
                   1961:        case MDOC_En:
                   1962:                if (NULL != n->norm->Es &&
                   1963:                    NULL != n->norm->Es->child &&
                   1964:                    NULL != n->norm->Es->child->next) {
                   1965:                        p->flags |= TERMP_NOSPACE;
                   1966:                        term_word(p, n->norm->Es->child->next->string);
                   1967:                }
1.237     schwarze 1968:                break;
1.264     schwarze 1969:        case MDOC_Eo:
1.188     kristaps 1970:                break;
1.264     schwarze 1971:        case MDOC_Po:
1.188     kristaps 1972:                /* FALLTHROUGH */
1.264     schwarze 1973:        case MDOC_Pq:
1.188     kristaps 1974:                term_word(p, ")");
                   1975:                break;
1.264     schwarze 1976:        case MDOC__T:
1.205     kristaps 1977:                /* FALLTHROUGH */
1.264     schwarze 1978:        case MDOC_Qo:
1.188     kristaps 1979:                /* FALLTHROUGH */
1.264     schwarze 1980:        case MDOC_Qq:
1.188     kristaps 1981:                term_word(p, "\"");
                   1982:                break;
1.264     schwarze 1983:        case MDOC_Ql:
1.188     kristaps 1984:                /* FALLTHROUGH */
1.264     schwarze 1985:        case MDOC_So:
1.188     kristaps 1986:                /* FALLTHROUGH */
1.264     schwarze 1987:        case MDOC_Sq:
1.249     schwarze 1988:                term_word(p, "\\(cq");
1.188     kristaps 1989:                break;
                   1990:        default:
                   1991:                abort();
                   1992:                /* NOTREACHED */
                   1993:        }
1.1       kristaps 1994: }
                   1995:
                   1996: static int
                   1997: termp_fo_pre(DECL_ARGS)
                   1998: {
1.257     schwarze 1999:        size_t           rmargin = 0;
1.256     schwarze 2000:        int              pretty;
                   2001:
                   2002:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 2003:
1.141     kristaps 2004:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 2005:                synopsis_pre(p, n);
1.141     kristaps 2006:                return(1);
                   2007:        } else if (MDOC_BODY == n->type) {
1.256     schwarze 2008:                if (pretty) {
                   2009:                        rmargin = p->rmargin;
1.257     schwarze 2010:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2011:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2012:                                        TERMP_HANG;
1.256     schwarze 2013:                }
1.33      kristaps 2014:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2015:                term_word(p, "(");
1.222     kristaps 2016:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2017:                if (pretty) {
                   2018:                        term_flushln(p);
1.263     schwarze 2019:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2020:                                        TERMP_HANG);
1.256     schwarze 2021:                        p->offset = p->rmargin;
                   2022:                        p->rmargin = rmargin;
                   2023:                }
1.1       kristaps 2024:                return(1);
1.256     schwarze 2025:        }
1.141     kristaps 2026:
1.169     kristaps 2027:        if (NULL == n->child)
                   2028:                return(0);
                   2029:
1.141     kristaps 2030:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2031:
1.141     kristaps 2032:        assert(n->child->string);
1.102     kristaps 2033:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2034:        term_word(p, n->child->string);
1.1       kristaps 2035:        return(0);
                   2036: }
                   2037:
                   2038: static void
                   2039: termp_fo_post(DECL_ARGS)
                   2040: {
                   2041:
1.264     schwarze 2042:        if (MDOC_BODY != n->type)
1.143     kristaps 2043:                return;
                   2044:
1.222     kristaps 2045:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2046:        term_word(p, ")");
                   2047:
1.222     kristaps 2048:        if (MDOC_SYNPRETTY & n->flags) {
                   2049:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2050:                term_word(p, ";");
1.256     schwarze 2051:                term_flushln(p);
1.222     kristaps 2052:        }
1.1       kristaps 2053: }
                   2054:
                   2055: static int
                   2056: termp_bf_pre(DECL_ARGS)
                   2057: {
                   2058:
1.86      kristaps 2059:        if (MDOC_HEAD == n->type)
1.1       kristaps 2060:                return(0);
1.244     schwarze 2061:        else if (MDOC_BODY != n->type)
1.1       kristaps 2062:                return(1);
                   2063:
1.264     schwarze 2064:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2065:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2066:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2067:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2068:        else
1.102     kristaps 2069:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2070:
                   2071:        return(1);
                   2072: }
                   2073:
                   2074: static int
                   2075: termp_sm_pre(DECL_ARGS)
                   2076: {
                   2077:
1.269     schwarze 2078:        if (NULL == n->child)
                   2079:                p->flags ^= TERMP_NONOSPACE;
                   2080:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2081:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2082:        else
1.1       kristaps 2083:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2084:
                   2085:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2086:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2087:
                   2088:        return(0);
                   2089: }
                   2090:
                   2091: static int
                   2092: termp_ap_pre(DECL_ARGS)
                   2093: {
                   2094:
                   2095:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2096:        term_word(p, "'");
1.1       kristaps 2097:        p->flags |= TERMP_NOSPACE;
                   2098:        return(1);
                   2099: }
                   2100:
                   2101: static void
                   2102: termp____post(DECL_ARGS)
                   2103: {
1.184     kristaps 2104:
                   2105:        /*
                   2106:         * Handle lists of authors.  In general, print each followed by
                   2107:         * a comma.  Don't print the comma if there are only two
                   2108:         * authors.
                   2109:         */
                   2110:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2111:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2112:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2113:                                return;
1.1       kristaps 2114:
1.95      kristaps 2115:        /* TODO: %U. */
                   2116:
1.187     kristaps 2117:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2118:                return;
                   2119:
1.222     kristaps 2120:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2121:        if (NULL == n->next) {
                   2122:                term_word(p, ".");
                   2123:                p->flags |= TERMP_SENTENCE;
                   2124:        } else
                   2125:                term_word(p, ",");
1.1       kristaps 2126: }
                   2127:
                   2128: static int
1.102     kristaps 2129: termp_li_pre(DECL_ARGS)
                   2130: {
                   2131:
                   2132:        term_fontpush(p, TERMFONT_NONE);
                   2133:        return(1);
                   2134: }
                   2135:
                   2136: static int
1.1       kristaps 2137: termp_lk_pre(DECL_ARGS)
                   2138: {
1.240     schwarze 2139:        const struct mdoc_node *link, *descr;
1.1       kristaps 2140:
1.240     schwarze 2141:        if (NULL == (link = n->child))
                   2142:                return(0);
1.181     kristaps 2143:
1.240     schwarze 2144:        if (NULL != (descr = link->next)) {
                   2145:                term_fontpush(p, TERMFONT_UNDER);
                   2146:                while (NULL != descr) {
                   2147:                        term_word(p, descr->string);
                   2148:                        descr = descr->next;
                   2149:                }
                   2150:                p->flags |= TERMP_NOSPACE;
                   2151:                term_word(p, ":");
                   2152:                term_fontpop(p);
                   2153:        }
1.1       kristaps 2154:
1.102     kristaps 2155:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2156:        term_word(p, link->string);
1.102     kristaps 2157:        term_fontpop(p);
1.12      kristaps 2158:
1.1       kristaps 2159:        return(0);
                   2160: }
                   2161:
1.159     schwarze 2162: static int
                   2163: termp_bk_pre(DECL_ARGS)
                   2164: {
                   2165:
1.161     schwarze 2166:        switch (n->type) {
1.264     schwarze 2167:        case MDOC_BLOCK:
1.166     kristaps 2168:                break;
1.264     schwarze 2169:        case MDOC_HEAD:
1.161     schwarze 2170:                return(0);
1.264     schwarze 2171:        case MDOC_BODY:
1.200     schwarze 2172:                if (n->parent->args || 0 == n->prev->nchild)
                   2173:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2174:                break;
1.161     schwarze 2175:        default:
                   2176:                abort();
1.166     kristaps 2177:                /* NOTREACHED */
1.161     schwarze 2178:        }
1.166     kristaps 2179:
                   2180:        return(1);
1.159     schwarze 2181: }
                   2182:
                   2183: static void
                   2184: termp_bk_post(DECL_ARGS)
                   2185: {
                   2186:
1.253     schwarze 2187:        if (MDOC_BODY == n->type)
1.161     schwarze 2188:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2189: }
                   2190:
                   2191: static void
                   2192: termp__t_post(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:         */
1.217     schwarze 2199:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2200:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2201:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2202:
1.245     schwarze 2203:        termp____post(p, pair, meta, n);
1.203     kristaps 2204: }
                   2205:
                   2206: static int
                   2207: termp__t_pre(DECL_ARGS)
                   2208: {
                   2209:
                   2210:        /*
                   2211:         * If we're in an `Rs' and there's a journal present, then quote
                   2212:         * us instead of underlining us (for disambiguation).
                   2213:         */
                   2214:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2215:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2216:                return(termp_quote_pre(p, pair, meta, n));
1.203     kristaps 2217:
                   2218:        term_fontpush(p, TERMFONT_UNDER);
                   2219:        return(1);
1.159     schwarze 2220: }
1.1       kristaps 2221:
                   2222: static int
1.69      kristaps 2223: termp_under_pre(DECL_ARGS)
1.1       kristaps 2224: {
                   2225:
1.102     kristaps 2226:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2227:        return(1);
                   2228: }

CVSweb