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Annotation of mandoc/mdoc_term.c, Revision 1.335

1.335   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.334 2016/11/08 16:23:58 schwarze Exp $ */
1.1       kristaps    2: /*
1.217     schwarze    3:  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.331     schwarze    4:  * Copyright (c) 2010, 2012-2016 Ingo Schwarze <schwarze@openbsd.org>
1.256     schwarze    5:  * Copyright (c) 2013 Franco Fichtner <franco@lastsummer.de>
1.1       kristaps    6:  *
                      7:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    8:  * purpose with or without fee is hereby granted, provided that the above
                      9:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps   10:  *
1.314     schwarze   11:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.6       kristaps   12:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.314     schwarze   13:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.6       kristaps   14:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     15:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     16:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     17:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   18:  */
1.107     kristaps   19: #include "config.h"
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.302     schwarze   25: #include <limits.h>
1.118     kristaps   26: #include <stdint.h>
1.1       kristaps   27: #include <stdio.h>
                     28: #include <stdlib.h>
                     29: #include <string.h>
                     30:
1.314     schwarze   31: #include "mandoc_aux.h"
1.125     kristaps   32: #include "mandoc.h"
1.314     schwarze   33: #include "roff.h"
                     34: #include "mdoc.h"
1.92      kristaps   35: #include "out.h"
1.1       kristaps   36: #include "term.h"
1.320     schwarze   37: #include "tag.h"
1.89      kristaps   38: #include "main.h"
1.1       kristaps   39:
                     40: struct termpair {
                     41:        struct termpair  *ppair;
1.31      kristaps   42:        int               count;
1.1       kristaps   43: };
                     44:
1.31      kristaps   45: #define        DECL_ARGS struct termp *p, \
                     46:                  struct termpair *pair, \
1.316     schwarze   47:                  const struct roff_meta *meta, \
1.315     schwarze   48:                  struct roff_node *n
1.1       kristaps   49:
                     50: struct termact {
                     51:        int     (*pre)(DECL_ARGS);
                     52:        void    (*post)(DECL_ARGS);
                     53: };
                     54:
1.302     schwarze   55: static int       a2width(const struct termp *, const char *);
1.96      kristaps   56:
                     57: static void      print_bvspace(struct termp *,
1.315     schwarze   58:                        const struct roff_node *,
                     59:                        const struct roff_node *);
1.264     schwarze   60: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   61: static void      print_mdoc_nodelist(DECL_ARGS);
1.316     schwarze   62: static void      print_mdoc_head(struct termp *, const struct roff_meta *);
                     63: static void      print_mdoc_foot(struct termp *, const struct roff_meta *);
1.264     schwarze   64: static void      synopsis_pre(struct termp *,
1.315     schwarze   65:                        const struct roff_node *);
1.96      kristaps   66:
1.31      kristaps   67: static void      termp____post(DECL_ARGS);
1.203     kristaps   68: static void      termp__t_post(DECL_ARGS);
1.31      kristaps   69: static void      termp_bd_post(DECL_ARGS);
1.159     schwarze   70: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   71: static void      termp_bl_post(DECL_ARGS);
1.306     schwarze   72: static void      termp_eo_post(DECL_ARGS);
1.241     schwarze   73: static void      termp_fd_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_fo_post(DECL_ARGS);
                     75: static void      termp_in_post(DECL_ARGS);
                     76: static void      termp_it_post(DECL_ARGS);
                     77: static void      termp_lb_post(DECL_ARGS);
1.164     schwarze   78: static void      termp_nm_post(DECL_ARGS);
1.31      kristaps   79: static void      termp_pf_post(DECL_ARGS);
1.188     kristaps   80: static void      termp_quote_post(DECL_ARGS);
1.31      kristaps   81: static void      termp_sh_post(DECL_ARGS);
                     82: static void      termp_ss_post(DECL_ARGS);
                     83:
1.184     kristaps   84: static int       termp__a_pre(DECL_ARGS);
1.203     kristaps   85: static int       termp__t_pre(DECL_ARGS);
1.61      kristaps   86: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   87: static int       termp_ap_pre(DECL_ARGS);
                     88: static int       termp_bd_pre(DECL_ARGS);
                     89: static int       termp_bf_pre(DECL_ARGS);
1.159     schwarze   90: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps   91: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps   92: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps   93: static int       termp_bt_pre(DECL_ARGS);
1.211     kristaps   94: static int       termp_bx_pre(DECL_ARGS);
1.31      kristaps   95: static int       termp_cd_pre(DECL_ARGS);
                     96: static int       termp_d1_pre(DECL_ARGS);
1.306     schwarze   97: static int       termp_eo_pre(DECL_ARGS);
1.334     schwarze   98: static int       termp_em_pre(DECL_ARGS);
1.323     schwarze   99: static int       termp_er_pre(DECL_ARGS);
1.31      kristaps  100: static int       termp_ex_pre(DECL_ARGS);
                    101: static int       termp_fa_pre(DECL_ARGS);
1.188     kristaps  102: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps  103: static int       termp_fl_pre(DECL_ARGS);
                    104: static int       termp_fn_pre(DECL_ARGS);
                    105: static int       termp_fo_pre(DECL_ARGS);
                    106: static int       termp_ft_pre(DECL_ARGS);
                    107: static int       termp_in_pre(DECL_ARGS);
                    108: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  109: static int       termp_li_pre(DECL_ARGS);
1.260     schwarze  110: static int       termp_ll_pre(DECL_ARGS);
1.31      kristaps  111: static int       termp_lk_pre(DECL_ARGS);
                    112: static int       termp_nd_pre(DECL_ARGS);
                    113: static int       termp_nm_pre(DECL_ARGS);
                    114: static int       termp_ns_pre(DECL_ARGS);
1.188     kristaps  115: static int       termp_quote_pre(DECL_ARGS);
1.31      kristaps  116: static int       termp_rs_pre(DECL_ARGS);
                    117: static int       termp_rv_pre(DECL_ARGS);
                    118: static int       termp_sh_pre(DECL_ARGS);
1.294     schwarze  119: static int       termp_skip_pre(DECL_ARGS);
1.31      kristaps  120: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  121: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  122: static int       termp_ss_pre(DECL_ARGS);
1.334     schwarze  123: static int       termp_sy_pre(DECL_ARGS);
1.320     schwarze  124: static int       termp_tag_pre(DECL_ARGS);
1.69      kristaps  125: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  126: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  127: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  128: static int       termp_xr_pre(DECL_ARGS);
                    129: static int       termp_xx_pre(DECL_ARGS);
                    130:
1.70      kristaps  131: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  132:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  133:        { NULL, NULL }, /* Dd */
                    134:        { NULL, NULL }, /* Dt */
                    135:        { NULL, NULL }, /* Os */
                    136:        { termp_sh_pre, termp_sh_post }, /* Sh */
1.264     schwarze  137:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    138:        { termp_sp_pre, NULL }, /* Pp */
1.241     schwarze  139:        { termp_d1_pre, termp_bl_post }, /* D1 */
                    140:        { termp_d1_pre, termp_bl_post }, /* Dl */
1.1       kristaps  141:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    142:        { NULL, NULL }, /* Ed */
1.115     kristaps  143:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  144:        { NULL, NULL }, /* El */
                    145:        { termp_it_pre, termp_it_post }, /* It */
1.264     schwarze  146:        { termp_under_pre, NULL }, /* Ad */
1.282     schwarze  147:        { termp_an_pre, NULL }, /* An */
1.69      kristaps  148:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  149:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  150:        { termp_bold_pre, NULL }, /* Cm */
1.325     schwarze  151:        { termp_li_pre, NULL }, /* Dv */
1.323     schwarze  152:        { termp_er_pre, NULL }, /* Er */
1.320     schwarze  153:        { termp_tag_pre, NULL }, /* Ev */
1.1       kristaps  154:        { termp_ex_pre, NULL }, /* Ex */
1.264     schwarze  155:        { termp_fa_pre, NULL }, /* Fa */
                    156:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.1       kristaps  157:        { termp_fl_pre, NULL }, /* Fl */
1.264     schwarze  158:        { termp_fn_pre, NULL }, /* Fn */
                    159:        { termp_ft_pre, NULL }, /* Ft */
                    160:        { termp_bold_pre, NULL }, /* Ic */
                    161:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  162:        { termp_li_pre, NULL }, /* Li */
1.264     schwarze  163:        { termp_nd_pre, NULL }, /* Nd */
                    164:        { termp_nm_pre, termp_nm_post }, /* Nm */
1.188     kristaps  165:        { termp_quote_pre, termp_quote_post }, /* Op */
1.268     schwarze  166:        { termp_ft_pre, NULL }, /* Ot */
1.69      kristaps  167:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  168:        { termp_rv_pre, NULL }, /* Rv */
1.264     schwarze  169:        { NULL, NULL }, /* St */
1.69      kristaps  170:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  171:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  172:        { termp_xr_pre, NULL }, /* Xr */
1.184     kristaps  173:        { termp__a_pre, termp____post }, /* %A */
1.84      kristaps  174:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  175:        { NULL, termp____post }, /* %D */
1.84      kristaps  176:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  177:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  178:        { NULL, termp____post }, /* %N */
                    179:        { NULL, termp____post }, /* %O */
                    180:        { NULL, termp____post }, /* %P */
                    181:        { NULL, termp____post }, /* %R */
1.203     kristaps  182:        { termp__t_pre, termp__t_post }, /* %T */
1.1       kristaps  183:        { NULL, termp____post }, /* %V */
                    184:        { NULL, NULL }, /* Ac */
1.188     kristaps  185:        { termp_quote_pre, termp_quote_post }, /* Ao */
                    186:        { termp_quote_pre, termp_quote_post }, /* Aq */
1.35      kristaps  187:        { NULL, NULL }, /* At */
1.1       kristaps  188:        { NULL, NULL }, /* Bc */
1.264     schwarze  189:        { termp_bf_pre, NULL }, /* Bf */
1.188     kristaps  190:        { termp_quote_pre, termp_quote_post }, /* Bo */
                    191:        { termp_quote_pre, termp_quote_post }, /* Bq */
1.26      kristaps  192:        { termp_xx_pre, NULL }, /* Bsx */
1.211     kristaps  193:        { termp_bx_pre, NULL }, /* Bx */
1.294     schwarze  194:        { termp_skip_pre, NULL }, /* Db */
1.1       kristaps  195:        { NULL, NULL }, /* Dc */
1.188     kristaps  196:        { termp_quote_pre, termp_quote_post }, /* Do */
                    197:        { termp_quote_pre, termp_quote_post }, /* Dq */
1.112     kristaps  198:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  199:        { NULL, NULL }, /* Ef */
1.334     schwarze  200:        { termp_em_pre, NULL }, /* Em */
1.306     schwarze  201:        { termp_eo_pre, termp_eo_post }, /* Eo */
1.26      kristaps  202:        { termp_xx_pre, NULL }, /* Fx */
1.176     kristaps  203:        { termp_bold_pre, NULL }, /* Ms */
1.290     schwarze  204:        { termp_li_pre, NULL }, /* No */
1.1       kristaps  205:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  206:        { termp_xx_pre, NULL }, /* Nx */
                    207:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  208:        { NULL, NULL }, /* Pc */
1.254     schwarze  209:        { NULL, termp_pf_post }, /* Pf */
1.188     kristaps  210:        { termp_quote_pre, termp_quote_post }, /* Po */
                    211:        { termp_quote_pre, termp_quote_post }, /* Pq */
1.1       kristaps  212:        { NULL, NULL }, /* Qc */
1.188     kristaps  213:        { termp_quote_pre, termp_quote_post }, /* Ql */
                    214:        { termp_quote_pre, termp_quote_post }, /* Qo */
                    215:        { termp_quote_pre, termp_quote_post }, /* Qq */
1.1       kristaps  216:        { NULL, NULL }, /* Re */
                    217:        { termp_rs_pre, NULL }, /* Rs */
                    218:        { NULL, NULL }, /* Sc */
1.188     kristaps  219:        { termp_quote_pre, termp_quote_post }, /* So */
                    220:        { termp_quote_pre, termp_quote_post }, /* Sq */
1.1       kristaps  221:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  222:        { termp_under_pre, NULL }, /* Sx */
1.334     schwarze  223:        { termp_sy_pre, NULL }, /* Sy */
1.1       kristaps  224:        { NULL, NULL }, /* Tn */
1.26      kristaps  225:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  226:        { NULL, NULL }, /* Xc */
                    227:        { NULL, NULL }, /* Xo */
1.264     schwarze  228:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    229:        { NULL, NULL }, /* Fc */
1.188     kristaps  230:        { termp_quote_pre, termp_quote_post }, /* Oo */
1.1       kristaps  231:        { NULL, NULL }, /* Oc */
1.159     schwarze  232:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  233:        { NULL, NULL }, /* Ek */
                    234:        { termp_bt_pre, NULL }, /* Bt */
                    235:        { NULL, NULL }, /* Hf */
1.268     schwarze  236:        { termp_under_pre, NULL }, /* Fr */
1.1       kristaps  237:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  238:        { NULL, termp_lb_post }, /* Lb */
1.264     schwarze  239:        { termp_sp_pre, NULL }, /* Lp */
                    240:        { termp_lk_pre, NULL }, /* Lk */
                    241:        { termp_under_pre, NULL }, /* Mt */
                    242:        { termp_quote_pre, termp_quote_post }, /* Brq */
                    243:        { termp_quote_pre, termp_quote_post }, /* Bro */
                    244:        { NULL, NULL }, /* Brc */
                    245:        { NULL, termp____post }, /* %C */
1.294     schwarze  246:        { termp_skip_pre, NULL }, /* Es */
1.268     schwarze  247:        { termp_quote_pre, termp_quote_post }, /* En */
1.264     schwarze  248:        { termp_xx_pre, NULL }, /* Dx */
                    249:        { NULL, termp____post }, /* %Q */
1.76      kristaps  250:        { termp_sp_pre, NULL }, /* br */
1.264     schwarze  251:        { termp_sp_pre, NULL }, /* sp */
                    252:        { NULL, termp____post }, /* %U */
                    253:        { NULL, NULL }, /* Ta */
1.260     schwarze  254:        { termp_ll_pre, NULL }, /* ll */
1.1       kristaps  255: };
                    256:
1.322     schwarze  257: static int      fn_prio;
1.1       kristaps  258:
1.70      kristaps  259: void
1.318     schwarze  260: terminal_mdoc(void *arg, const struct roff_man *mdoc)
1.1       kristaps  261: {
1.315     schwarze  262:        struct roff_node        *n;
1.89      kristaps  263:        struct termp            *p;
                    264:
                    265:        p = (struct termp *)arg;
1.111     kristaps  266:        p->overstep = 0;
1.281     schwarze  267:        p->rmargin = p->maxrmargin = p->defrmargin;
1.157     kristaps  268:        p->tabwidth = term_len(p, 5);
1.70      kristaps  269:
1.319     schwarze  270:        n = mdoc->first->child;
1.281     schwarze  271:        if (p->synopsisonly) {
                    272:                while (n != NULL) {
                    273:                        if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) {
                    274:                                if (n->child->next->child != NULL)
                    275:                                        print_mdoc_nodelist(p, NULL,
1.319     schwarze  276:                                            &mdoc->meta,
                    277:                                            n->child->next->child);
1.281     schwarze  278:                                term_newln(p);
                    279:                                break;
                    280:                        }
                    281:                        n = n->next;
                    282:                }
                    283:        } else {
                    284:                if (p->defindent == 0)
                    285:                        p->defindent = 5;
1.319     schwarze  286:                term_begin(p, print_mdoc_head, print_mdoc_foot,
                    287:                    &mdoc->meta);
1.281     schwarze  288:                if (n != NULL) {
                    289:                        if (n->tok != MDOC_Sh)
                    290:                                term_vspace(p);
1.319     schwarze  291:                        print_mdoc_nodelist(p, NULL, &mdoc->meta, n);
1.281     schwarze  292:                }
                    293:                term_end(p);
1.271     schwarze  294:        }
1.1       kristaps  295: }
                    296:
1.3       kristaps  297: static void
1.102     kristaps  298: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  299: {
                    300:
1.304     schwarze  301:        while (n != NULL) {
                    302:                print_mdoc_node(p, pair, meta, n);
                    303:                n = n->next;
                    304:        }
1.1       kristaps  305: }
                    306:
1.3       kristaps  307: static void
1.102     kristaps  308: print_mdoc_node(DECL_ARGS)
1.1       kristaps  309: {
1.102     kristaps  310:        int              chld;
1.1       kristaps  311:        struct termpair  npair;
1.30      kristaps  312:        size_t           offset, rmargin;
1.1       kristaps  313:
1.70      kristaps  314:        chld = 1;
1.29      kristaps  315:        offset = p->offset;
1.30      kristaps  316:        rmargin = p->rmargin;
1.310     schwarze  317:        n->flags &= ~MDOC_ENDED;
1.305     schwarze  318:        n->prev_font = p->fonti;
1.29      kristaps  319:
1.97      kristaps  320:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  321:        npair.ppair = pair;
1.172     kristaps  322:
                    323:        /*
                    324:         * Keeps only work until the end of a line.  If a keep was
                    325:         * invoked in a prior line, revert it to PREKEEP.
                    326:         */
                    327:
1.307     schwarze  328:        if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) {
                    329:                p->flags &= ~TERMP_KEEP;
                    330:                p->flags |= TERMP_PREKEEP;
1.172     kristaps  331:        }
1.197     schwarze  332:
                    333:        /*
1.217     schwarze  334:         * After the keep flags have been set up, we may now
                    335:         * produce output.  Note that some pre-handlers do so.
                    336:         */
                    337:
                    338:        switch (n->type) {
1.314     schwarze  339:        case ROFFT_TEXT:
1.217     schwarze  340:                if (' ' == *n->string && MDOC_LINE & n->flags)
                    341:                        term_newln(p);
1.222     kristaps  342:                if (MDOC_DELIMC & n->flags)
                    343:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  344:                term_word(p, n->string);
1.222     kristaps  345:                if (MDOC_DELIMO & n->flags)
                    346:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  347:                break;
1.314     schwarze  348:        case ROFFT_EQN:
1.284     schwarze  349:                if ( ! (n->flags & MDOC_LINE))
                    350:                        p->flags |= TERMP_NOSPACE;
1.233     kristaps  351:                term_eqn(p, n->eqn);
1.286     schwarze  352:                if (n->next != NULL && ! (n->next->flags & MDOC_LINE))
1.285     schwarze  353:                        p->flags |= TERMP_NOSPACE;
1.217     schwarze  354:                break;
1.314     schwarze  355:        case ROFFT_TBL:
1.313     schwarze  356:                if (p->tbl.cols == NULL)
                    357:                        term_newln(p);
1.217     schwarze  358:                term_tbl(p, n->span);
                    359:                break;
                    360:        default:
1.295     schwarze  361:                if (termacts[n->tok].pre &&
1.331     schwarze  362:                    (n->end == ENDBODY_NOT || n->child != NULL))
1.217     schwarze  363:                        chld = (*termacts[n->tok].pre)
1.245     schwarze  364:                                (p, &npair, meta, n);
1.217     schwarze  365:                break;
                    366:        }
                    367:
1.86      kristaps  368:        if (chld && n->child)
1.245     schwarze  369:                print_mdoc_nodelist(p, &npair, meta, n->child);
1.1       kristaps  370:
1.244     schwarze  371:        term_fontpopq(p,
1.310     schwarze  372:            (ENDBODY_NOT == n->end ? n : n->body)->prev_font);
1.46      kristaps  373:
1.206     kristaps  374:        switch (n->type) {
1.314     schwarze  375:        case ROFFT_TEXT:
1.206     kristaps  376:                break;
1.314     schwarze  377:        case ROFFT_TBL:
1.216     kristaps  378:                break;
1.314     schwarze  379:        case ROFFT_EQN:
1.206     kristaps  380:                break;
                    381:        default:
                    382:                if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags)
                    383:                        break;
1.245     schwarze  384:                (void)(*termacts[n->tok].post)(p, &npair, meta, n);
1.162     schwarze  385:
                    386:                /*
                    387:                 * Explicit end tokens not only call the post
                    388:                 * handler, but also tell the respective block
                    389:                 * that it must not call the post handler again.
                    390:                 */
1.165     kristaps  391:                if (ENDBODY_NOT != n->end)
1.310     schwarze  392:                        n->body->flags |= MDOC_ENDED;
1.162     schwarze  393:
                    394:                /*
                    395:                 * End of line terminating an implicit block
                    396:                 * while an explicit block is still open.
                    397:                 * Continue the explicit block without spacing.
                    398:                 */
                    399:                if (ENDBODY_NOSPACE == n->end)
                    400:                        p->flags |= TERMP_NOSPACE;
1.206     kristaps  401:                break;
1.162     schwarze  402:        }
1.121     kristaps  403:
                    404:        if (MDOC_EOS & n->flags)
                    405:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  406:
1.260     schwarze  407:        if (MDOC_ll != n->tok) {
                    408:                p->offset = offset;
                    409:                p->rmargin = rmargin;
                    410:        }
1.1       kristaps  411: }
                    412:
1.3       kristaps  413: static void
1.316     schwarze  414: print_mdoc_foot(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  415: {
1.292     schwarze  416:        size_t sz;
1.144     kristaps  417:
1.102     kristaps  418:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  419:
1.264     schwarze  420:        /*
1.9       kristaps  421:         * Output the footer in new-groff style, that is, three columns
                    422:         * with the middle being the manual date and flanking columns
                    423:         * being the operating system:
                    424:         *
                    425:         * SYSTEM                  DATE                    SYSTEM
                    426:         */
                    427:
1.1       kristaps  428:        term_vspace(p);
                    429:
1.9       kristaps  430:        p->offset = 0;
1.292     schwarze  431:        sz = term_strlen(p, meta->date);
                    432:        p->rmargin = p->maxrmargin > sz ?
                    433:            (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0;
1.250     schwarze  434:        p->trailspace = 1;
1.1       kristaps  435:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    436:
1.245     schwarze  437:        term_word(p, meta->os);
1.1       kristaps  438:        term_flushln(p);
                    439:
1.9       kristaps  440:        p->offset = p->rmargin;
1.292     schwarze  441:        sz = term_strlen(p, meta->os);
                    442:        p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0;
1.234     schwarze  443:        p->flags |= TERMP_NOSPACE;
1.9       kristaps  444:
1.245     schwarze  445:        term_word(p, meta->date);
1.9       kristaps  446:        term_flushln(p);
                    447:
1.1       kristaps  448:        p->offset = p->rmargin;
                    449:        p->rmargin = p->maxrmargin;
1.250     schwarze  450:        p->trailspace = 0;
1.1       kristaps  451:        p->flags &= ~TERMP_NOBREAK;
1.234     schwarze  452:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  453:
1.245     schwarze  454:        term_word(p, meta->os);
1.1       kristaps  455:        term_flushln(p);
                    456:
1.9       kristaps  457:        p->offset = 0;
                    458:        p->rmargin = p->maxrmargin;
                    459:        p->flags = 0;
1.1       kristaps  460: }
                    461:
1.3       kristaps  462: static void
1.316     schwarze  463: print_mdoc_head(struct termp *p, const struct roff_meta *meta)
1.1       kristaps  464: {
1.267     schwarze  465:        char                    *volume, *title;
                    466:        size_t                   vollen, titlen;
1.1       kristaps  467:
                    468:        /*
                    469:         * The header is strange.  It has three components, which are
                    470:         * really two with the first duplicated.  It goes like this:
                    471:         *
                    472:         * IDENTIFIER              TITLE                   IDENTIFIER
                    473:         *
                    474:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    475:         * (if given, or "unknown" if not) followed by the manual page
                    476:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    477:         * string depending on the manual volume.  If not specified, it
                    478:         * switches on the manual section.
                    479:         */
1.235     schwarze  480:
1.245     schwarze  481:        assert(meta->vol);
1.267     schwarze  482:        if (NULL == meta->arch)
                    483:                volume = mandoc_strdup(meta->vol);
                    484:        else
                    485:                mandoc_asprintf(&volume, "%s (%s)",
                    486:                    meta->vol, meta->arch);
                    487:        vollen = term_strlen(p, volume);
1.1       kristaps  488:
1.275     schwarze  489:        if (NULL == meta->msec)
                    490:                title = mandoc_strdup(meta->title);
                    491:        else
                    492:                mandoc_asprintf(&title, "%s(%s)",
                    493:                    meta->title, meta->msec);
1.235     schwarze  494:        titlen = term_strlen(p, title);
1.1       kristaps  495:
1.235     schwarze  496:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.250     schwarze  497:        p->trailspace = 1;
1.1       kristaps  498:        p->offset = 0;
1.267     schwarze  499:        p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
                    500:            (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.292     schwarze  501:            vollen < p->maxrmargin ?  p->maxrmargin - vollen : 0;
1.1       kristaps  502:
                    503:        term_word(p, title);
                    504:        term_flushln(p);
                    505:
1.235     schwarze  506:        p->flags |= TERMP_NOSPACE;
1.1       kristaps  507:        p->offset = p->rmargin;
1.267     schwarze  508:        p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.235     schwarze  509:            p->maxrmargin - titlen : p->maxrmargin;
1.1       kristaps  510:
1.267     schwarze  511:        term_word(p, volume);
1.1       kristaps  512:        term_flushln(p);
                    513:
                    514:        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  515:        p->trailspace = 0;
1.235     schwarze  516:        if (p->rmargin + titlen <= p->maxrmargin) {
                    517:                p->flags |= TERMP_NOSPACE;
                    518:                p->offset = p->rmargin;
                    519:                p->rmargin = p->maxrmargin;
                    520:                term_word(p, title);
                    521:                term_flushln(p);
                    522:        }
1.1       kristaps  523:
1.235     schwarze  524:        p->flags &= ~TERMP_NOSPACE;
1.9       kristaps  525:        p->offset = 0;
1.1       kristaps  526:        p->rmargin = p->maxrmargin;
1.266     schwarze  527:        free(title);
1.267     schwarze  528:        free(volume);
1.1       kristaps  529: }
                    530:
1.302     schwarze  531: static int
1.157     kristaps  532: a2width(const struct termp *p, const char *v)
1.91      kristaps  533: {
1.92      kristaps  534:        struct roffsu    su;
1.1       kristaps  535:
1.300     schwarze  536:        if (a2roffsu(v, &su, SCALE_MAX) < 2) {
1.157     kristaps  537:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.283     schwarze  538:                su.scale /= term_strlen(p, "0");
1.302     schwarze  539:        }
1.328     schwarze  540:        return term_hspan(p, &su) / 24;
1.1       kristaps  541: }
                    542:
1.108     kristaps  543: /*
                    544:  * Determine how much space to print out before block elements of `It'
                    545:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    546:  * too.
                    547:  */
1.54      kristaps  548: static void
1.264     schwarze  549: print_bvspace(struct termp *p,
1.315     schwarze  550:        const struct roff_node *bl,
                    551:        const struct roff_node *n)
1.1       kristaps  552: {
1.315     schwarze  553:        const struct roff_node  *nn;
1.236     schwarze  554:
                    555:        assert(n);
1.1       kristaps  556:
                    557:        term_newln(p);
1.150     kristaps  558:
1.202     kristaps  559:        if (MDOC_Bd == bl->tok && bl->norm->Bd.comp)
1.150     kristaps  560:                return;
1.202     kristaps  561:        if (MDOC_Bl == bl->tok && bl->norm->Bl.comp)
1.54      kristaps  562:                return;
                    563:
1.85      kristaps  564:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  565:
1.289     schwarze  566:        nn = n;
                    567:        while (nn->prev == NULL) {
                    568:                do {
                    569:                        nn = nn->parent;
1.314     schwarze  570:                        if (nn->type == ROFFT_ROOT)
1.289     schwarze  571:                                return;
1.314     schwarze  572:                } while (nn->type != ROFFT_BLOCK);
1.289     schwarze  573:                if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss)
1.54      kristaps  574:                        return;
1.289     schwarze  575:                if (nn->tok == MDOC_It &&
                    576:                    nn->parent->parent->norm->Bl.type != LIST_item)
                    577:                        break;
1.1       kristaps  578:        }
                    579:
1.85      kristaps  580:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  581:
1.202     kristaps  582:        if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type)
1.86      kristaps  583:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  584:                        return;
                    585:
1.85      kristaps  586:        /* A `-diag' without body does not vspace. */
                    587:
1.202     kristaps  588:        if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type)
1.86      kristaps  589:                if (n->prev && MDOC_It == n->prev->tok) {
                    590:                        assert(n->prev->body);
                    591:                        if (NULL == n->prev->body->child)
1.55      kristaps  592:                                return;
                    593:                }
                    594:
1.54      kristaps  595:        term_vspace(p);
1.260     schwarze  596: }
                    597:
                    598:
                    599: static int
                    600: termp_ll_pre(DECL_ARGS)
                    601: {
                    602:
1.331     schwarze  603:        term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.328     schwarze  604:        return 0;
1.1       kristaps  605: }
                    606:
                    607: static int
                    608: termp_it_pre(DECL_ARGS)
                    609: {
1.302     schwarze  610:        char                    buf[24];
1.315     schwarze  611:        const struct roff_node *bl, *nn;
1.302     schwarze  612:        size_t                  ncols, dcol;
                    613:        int                     i, offset, width;
1.126     kristaps  614:        enum mdoc_list          type;
1.1       kristaps  615:
1.314     schwarze  616:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps  617:                print_bvspace(p, n->parent->parent, n);
1.328     schwarze  618:                return 1;
1.54      kristaps  619:        }
1.1       kristaps  620:
1.86      kristaps  621:        bl = n->parent->parent->parent;
1.202     kristaps  622:        type = bl->norm->Bl.type;
1.1       kristaps  623:
1.264     schwarze  624:        /*
1.302     schwarze  625:         * Defaults for specific list types.
                    626:         */
                    627:
                    628:        switch (type) {
                    629:        case LIST_bullet:
                    630:        case LIST_dash:
                    631:        case LIST_hyphen:
                    632:        case LIST_enum:
                    633:                width = term_len(p, 2);
                    634:                break;
                    635:        case LIST_hang:
1.332     schwarze  636:        case LIST_tag:
1.302     schwarze  637:                width = term_len(p, 8);
                    638:                break;
                    639:        case LIST_column:
                    640:                width = term_len(p, 10);
                    641:                break;
                    642:        default:
                    643:                width = 0;
                    644:                break;
                    645:        }
                    646:        offset = 0;
                    647:
                    648:        /*
1.108     kristaps  649:         * First calculate width and offset.  This is pretty easy unless
                    650:         * we're a -column list, in which case all prior columns must
                    651:         * be accounted for.
                    652:         */
                    653:
1.302     schwarze  654:        if (bl->norm->Bl.offs != NULL) {
1.288     schwarze  655:                offset = a2width(p, bl->norm->Bl.offs);
1.302     schwarze  656:                if (offset < 0 && (size_t)(-offset) > p->offset)
                    657:                        offset = -p->offset;
                    658:                else if (offset > SHRT_MAX)
                    659:                        offset = 0;
                    660:        }
1.152     kristaps  661:
1.1       kristaps  662:        switch (type) {
1.264     schwarze  663:        case LIST_column:
1.314     schwarze  664:                if (n->type == ROFFT_HEAD)
1.1       kristaps  665:                        break;
1.155     kristaps  666:
1.105     kristaps  667:                /*
1.108     kristaps  668:                 * Imitate groff's column handling:
                    669:                 * - For each earlier column, add its width.
                    670:                 * - For less than 5 columns, add four more blanks per
                    671:                 *   column.
                    672:                 * - For exactly 5 columns, add three more blank per
                    673:                 *   column.
                    674:                 * - For more than 5 columns, add only one column.
1.105     kristaps  675:                 */
1.202     kristaps  676:                ncols = bl->norm->Bl.ncols;
1.264     schwarze  677:                dcol = ncols < 5 ? term_len(p, 4) :
                    678:                    ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  679:
1.134     kristaps  680:                /*
1.314     schwarze  681:                 * Calculate the offset by applying all prior ROFFT_BODY,
                    682:                 * so we stop at the ROFFT_HEAD (nn->prev == NULL).
1.134     kristaps  683:                 */
                    684:
1.264     schwarze  685:                for (i = 0, nn = n->prev;
                    686:                    nn->prev && i < (int)ncols;
                    687:                    nn = nn->prev, i++)
                    688:                        offset += dcol + a2width(p,
                    689:                            bl->norm->Bl.cols[i]);
1.105     kristaps  690:
                    691:                /*
1.108     kristaps  692:                 * When exceeding the declared number of columns, leave
                    693:                 * the remaining widths at 0.  This will later be
                    694:                 * adjusted to the default width of 10, or, for the last
                    695:                 * column, stretched to the right margin.
1.58      kristaps  696:                 */
1.108     kristaps  697:                if (i >= (int)ncols)
                    698:                        break;
1.58      kristaps  699:
1.105     kristaps  700:                /*
1.108     kristaps  701:                 * Use the declared column widths, extended as explained
                    702:                 * in the preceding paragraph.
1.105     kristaps  703:                 */
1.202     kristaps  704:                width = a2width(p, bl->norm->Bl.cols[i]) + dcol;
1.1       kristaps  705:                break;
                    706:        default:
1.202     kristaps  707:                if (NULL == bl->norm->Bl.width)
1.108     kristaps  708:                        break;
                    709:
1.264     schwarze  710:                /*
1.108     kristaps  711:                 * Note: buffer the width by 2, which is groff's magic
                    712:                 * number for buffering single arguments.  See the above
                    713:                 * handling for column for how this changes.
                    714:                 */
1.202     kristaps  715:                width = a2width(p, bl->norm->Bl.width) + term_len(p, 2);
1.302     schwarze  716:                if (width < 0 && (size_t)(-width) > p->offset)
                    717:                        width = -p->offset;
                    718:                else if (width > SHRT_MAX)
                    719:                        width = 0;
1.1       kristaps  720:                break;
                    721:        }
                    722:
1.264     schwarze  723:        /*
1.17      kristaps  724:         * Whitespace control.  Inset bodies need an initial space,
                    725:         * while diagonal bodies need two.
1.1       kristaps  726:         */
                    727:
1.51      kristaps  728:        p->flags |= TERMP_NOSPACE;
                    729:
1.1       kristaps  730:        switch (type) {
1.264     schwarze  731:        case LIST_diag:
1.314     schwarze  732:                if (n->type == ROFFT_BODY)
1.62      kristaps  733:                        term_word(p, "\\ \\ ");
1.51      kristaps  734:                break;
1.264     schwarze  735:        case LIST_inset:
1.331     schwarze  736:                if (n->type == ROFFT_BODY && n->parent->head->child != NULL)
1.51      kristaps  737:                        term_word(p, "\\ ");
1.1       kristaps  738:                break;
                    739:        default:
                    740:                break;
                    741:        }
                    742:
1.51      kristaps  743:        p->flags |= TERMP_NOSPACE;
                    744:
1.1       kristaps  745:        switch (type) {
1.264     schwarze  746:        case LIST_diag:
1.314     schwarze  747:                if (n->type == ROFFT_HEAD)
1.102     kristaps  748:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  749:                break;
                    750:        default:
                    751:                break;
                    752:        }
                    753:
                    754:        /*
1.109     kristaps  755:         * Pad and break control.  This is the tricky part.  These flags
                    756:         * are documented in term_flushln() in term.c.  Note that we're
                    757:         * going to unset all of these flags in termp_it_post() when we
                    758:         * exit.
1.1       kristaps  759:         */
                    760:
                    761:        switch (type) {
1.264     schwarze  762:        case LIST_enum:
1.329     schwarze  763:        case LIST_bullet:
                    764:        case LIST_dash:
                    765:        case LIST_hyphen:
1.242     schwarze  766:                /*
                    767:                 * Weird special case.
1.302     schwarze  768:                 * Some very narrow lists actually hang.
1.242     schwarze  769:                 */
1.302     schwarze  770:                if (width <= (int)term_len(p, 2))
                    771:                        p->flags |= TERMP_HANG;
1.314     schwarze  772:                if (n->type != ROFFT_HEAD)
1.250     schwarze  773:                        break;
                    774:                p->flags |= TERMP_NOBREAK;
                    775:                p->trailspace = 1;
1.39      kristaps  776:                break;
1.264     schwarze  777:        case LIST_hang:
1.314     schwarze  778:                if (n->type != ROFFT_HEAD)
1.59      kristaps  779:                        break;
                    780:
                    781:                /*
                    782:                 * This is ugly.  If `-hang' is specified and the body
                    783:                 * is a `Bl' or `Bd', then we want basically to nullify
                    784:                 * the "overstep" effect in term_flushln() and treat
                    785:                 * this as a `-ohang' list instead.
                    786:                 */
1.279     schwarze  787:                if (NULL != n->next &&
1.278     schwarze  788:                    NULL != n->next->child &&
                    789:                    (MDOC_Bl == n->next->child->tok ||
                    790:                     MDOC_Bd == n->next->child->tok))
1.250     schwarze  791:                        break;
                    792:
1.263     schwarze  793:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.250     schwarze  794:                p->trailspace = 1;
1.39      kristaps  795:                break;
1.264     schwarze  796:        case LIST_tag:
1.314     schwarze  797:                if (n->type != ROFFT_HEAD)
1.39      kristaps  798:                        break;
1.250     schwarze  799:
1.326     schwarze  800:                p->flags |= TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND;
1.250     schwarze  801:                p->trailspace = 2;
                    802:
1.86      kristaps  803:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  804:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  805:                break;
1.264     schwarze  806:        case LIST_column:
1.314     schwarze  807:                if (n->type == ROFFT_HEAD)
1.134     kristaps  808:                        break;
                    809:
1.250     schwarze  810:                if (NULL == n->next) {
1.134     kristaps  811:                        p->flags &= ~TERMP_NOBREAK;
1.250     schwarze  812:                        p->trailspace = 0;
                    813:                } else {
1.134     kristaps  814:                        p->flags |= TERMP_NOBREAK;
1.250     schwarze  815:                        p->trailspace = 1;
                    816:                }
1.134     kristaps  817:
1.1       kristaps  818:                break;
1.264     schwarze  819:        case LIST_diag:
1.314     schwarze  820:                if (n->type != ROFFT_HEAD)
1.250     schwarze  821:                        break;
1.263     schwarze  822:                p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze  823:                p->trailspace = 1;
1.1       kristaps  824:                break;
                    825:        default:
                    826:                break;
                    827:        }
                    828:
1.264     schwarze  829:        /*
1.1       kristaps  830:         * Margin control.  Set-head-width lists have their right
                    831:         * margins shortened.  The body for these lists has the offset
                    832:         * necessarily lengthened.  Everybody gets the offset.
                    833:         */
                    834:
                    835:        p->offset += offset;
                    836:
                    837:        switch (type) {
1.264     schwarze  838:        case LIST_hang:
1.59      kristaps  839:                /*
                    840:                 * Same stipulation as above, regarding `-hang'.  We
                    841:                 * don't want to recalculate rmargin and offsets when
                    842:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    843:                 */
1.314     schwarze  844:                if (n->type == ROFFT_HEAD &&
1.279     schwarze  845:                    NULL != n->next &&
1.278     schwarze  846:                    NULL != n->next->child &&
                    847:                    (MDOC_Bl == n->next->child->tok ||
                    848:                     MDOC_Bd == n->next->child->tok))
1.59      kristaps  849:                        break;
                    850:                /* FALLTHROUGH */
1.264     schwarze  851:        case LIST_bullet:
                    852:        case LIST_dash:
                    853:        case LIST_enum:
                    854:        case LIST_hyphen:
                    855:        case LIST_tag:
1.314     schwarze  856:                if (n->type == ROFFT_HEAD)
1.1       kristaps  857:                        p->rmargin = p->offset + width;
1.292     schwarze  858:                else
1.1       kristaps  859:                        p->offset += width;
                    860:                break;
1.264     schwarze  861:        case LIST_column:
1.49      kristaps  862:                assert(width);
1.1       kristaps  863:                p->rmargin = p->offset + width;
1.264     schwarze  864:                /*
1.50      kristaps  865:                 * XXX - this behaviour is not documented: the
                    866:                 * right-most column is filled to the right margin.
                    867:                 */
1.314     schwarze  868:                if (n->type == ROFFT_HEAD)
1.134     kristaps  869:                        break;
                    870:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  871:                        p->rmargin = p->maxrmargin;
1.1       kristaps  872:                break;
                    873:        default:
                    874:                break;
                    875:        }
                    876:
1.264     schwarze  877:        /*
1.1       kristaps  878:         * The dash, hyphen, bullet and enum lists all have a special
1.264     schwarze  879:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  880:         */
                    881:
1.314     schwarze  882:        if (n->type == ROFFT_HEAD)
1.1       kristaps  883:                switch (type) {
1.264     schwarze  884:                case LIST_bullet:
1.102     kristaps  885:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  886:                        term_word(p, "\\[bu]");
1.102     kristaps  887:                        term_fontpop(p);
1.1       kristaps  888:                        break;
1.264     schwarze  889:                case LIST_dash:
                    890:                case LIST_hyphen:
1.102     kristaps  891:                        term_fontpush(p, TERMFONT_BOLD);
1.330     schwarze  892:                        term_word(p, "-");
1.102     kristaps  893:                        term_fontpop(p);
1.1       kristaps  894:                        break;
1.264     schwarze  895:                case LIST_enum:
1.1       kristaps  896:                        (pair->ppair->ppair->count)++;
1.265     schwarze  897:                        (void)snprintf(buf, sizeof(buf), "%d.",
1.264     schwarze  898:                            pair->ppair->ppair->count);
1.1       kristaps  899:                        term_word(p, buf);
                    900:                        break;
                    901:                default:
                    902:                        break;
                    903:                }
                    904:
1.264     schwarze  905:        /*
1.1       kristaps  906:         * If we're not going to process our children, indicate so here.
                    907:         */
                    908:
                    909:        switch (type) {
1.264     schwarze  910:        case LIST_bullet:
                    911:        case LIST_item:
                    912:        case LIST_dash:
                    913:        case LIST_hyphen:
                    914:        case LIST_enum:
1.314     schwarze  915:                if (n->type == ROFFT_HEAD)
1.328     schwarze  916:                        return 0;
1.1       kristaps  917:                break;
1.264     schwarze  918:        case LIST_column:
1.314     schwarze  919:                if (n->type == ROFFT_HEAD)
1.328     schwarze  920:                        return 0;
1.1       kristaps  921:                break;
                    922:        default:
                    923:                break;
                    924:        }
                    925:
1.328     schwarze  926:        return 1;
1.1       kristaps  927: }
                    928:
                    929: static void
                    930: termp_it_post(DECL_ARGS)
                    931: {
1.126     kristaps  932:        enum mdoc_list     type;
1.1       kristaps  933:
1.314     schwarze  934:        if (n->type == ROFFT_BLOCK)
1.1       kristaps  935:                return;
                    936:
1.202     kristaps  937:        type = n->parent->parent->parent->norm->Bl.type;
1.1       kristaps  938:
                    939:        switch (type) {
1.264     schwarze  940:        case LIST_item:
                    941:        case LIST_diag:
                    942:        case LIST_inset:
1.314     schwarze  943:                if (n->type == ROFFT_BODY)
1.130     schwarze  944:                        term_newln(p);
1.1       kristaps  945:                break;
1.264     schwarze  946:        case LIST_column:
1.314     schwarze  947:                if (n->type == ROFFT_BODY)
1.1       kristaps  948:                        term_flushln(p);
                    949:                break;
                    950:        default:
1.130     schwarze  951:                term_newln(p);
1.1       kristaps  952:                break;
                    953:        }
                    954:
1.264     schwarze  955:        /*
1.109     kristaps  956:         * Now that our output is flushed, we can reset our tags.  Since
                    957:         * only `It' sets these flags, we're free to assume that nobody
                    958:         * has munged them in the meanwhile.
                    959:         */
                    960:
1.326     schwarze  961:        p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP | TERMP_BRIND |
1.263     schwarze  962:                        TERMP_DANGLE | TERMP_HANG);
1.250     schwarze  963:        p->trailspace = 0;
1.1       kristaps  964: }
                    965:
                    966: static int
                    967: termp_nm_pre(DECL_ARGS)
                    968: {
1.296     schwarze  969:        const char      *cp;
1.1       kristaps  970:
1.314     schwarze  971:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze  972:                p->flags |= TERMP_PREKEEP;
1.328     schwarze  973:                return 1;
1.253     schwarze  974:        }
1.164     schwarze  975:
1.314     schwarze  976:        if (n->type == ROFFT_BODY) {
1.164     schwarze  977:                if (NULL == n->child)
1.328     schwarze  978:                        return 0;
1.234     schwarze  979:                p->flags |= TERMP_NOSPACE;
1.296     schwarze  980:                cp = NULL;
                    981:                if (n->prev->child != NULL)
                    982:                    cp = n->prev->child->string;
                    983:                if (cp == NULL)
                    984:                        cp = meta->name;
                    985:                if (cp == NULL)
                    986:                        p->offset += term_len(p, 6);
                    987:                else
                    988:                        p->offset += term_len(p, 1) + term_strlen(p, cp);
1.328     schwarze  989:                return 1;
1.164     schwarze  990:        }
                    991:
1.245     schwarze  992:        if (NULL == n->child && NULL == meta->name)
1.328     schwarze  993:                return 0;
1.125     kristaps  994:
1.314     schwarze  995:        if (n->type == ROFFT_HEAD)
1.177     schwarze  996:                synopsis_pre(p, n->parent);
1.102     kristaps  997:
1.314     schwarze  998:        if (n->type == ROFFT_HEAD &&
1.278     schwarze  999:            NULL != n->next && NULL != n->next->child) {
1.263     schwarze 1000:                p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND;
1.250     schwarze 1001:                p->trailspace = 1;
1.185     schwarze 1002:                p->rmargin = p->offset + term_len(p, 1);
                   1003:                if (NULL == n->child) {
1.245     schwarze 1004:                        p->rmargin += term_strlen(p, meta->name);
1.314     schwarze 1005:                } else if (n->child->type == ROFFT_TEXT) {
1.185     schwarze 1006:                        p->rmargin += term_strlen(p, n->child->string);
                   1007:                        if (n->child->next)
                   1008:                                p->flags |= TERMP_HANG;
                   1009:                } else {
                   1010:                        p->rmargin += term_len(p, 5);
                   1011:                        p->flags |= TERMP_HANG;
                   1012:                }
1.164     schwarze 1013:        }
                   1014:
1.102     kristaps 1015:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1016:        if (NULL == n->child)
1.245     schwarze 1017:                term_word(p, meta->name);
1.328     schwarze 1018:        return 1;
1.1       kristaps 1019: }
                   1020:
1.164     schwarze 1021: static void
                   1022: termp_nm_post(DECL_ARGS)
                   1023: {
                   1024:
1.314     schwarze 1025:        if (n->type == ROFFT_BLOCK) {
1.253     schwarze 1026:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.314     schwarze 1027:        } else if (n->type == ROFFT_HEAD &&
1.278     schwarze 1028:            NULL != n->next && NULL != n->next->child) {
1.164     schwarze 1029:                term_flushln(p);
1.263     schwarze 1030:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.250     schwarze 1031:                p->trailspace = 0;
1.314     schwarze 1032:        } else if (n->type == ROFFT_BODY && n->child != NULL)
1.164     schwarze 1033:                term_flushln(p);
                   1034: }
                   1035:
1.1       kristaps 1036: static int
                   1037: termp_fl_pre(DECL_ARGS)
                   1038: {
                   1039:
1.320     schwarze 1040:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1041:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1042:        term_word(p, "\\-");
1.103     kristaps 1043:
1.331     schwarze 1044:        if (!(n->child == NULL &&
1.280     schwarze 1045:            (n->next == NULL ||
1.314     schwarze 1046:             n->next->type == ROFFT_TEXT ||
1.280     schwarze 1047:             n->next->flags & MDOC_LINE)))
1.103     kristaps 1048:                p->flags |= TERMP_NOSPACE;
                   1049:
1.328     schwarze 1050:        return 1;
1.1       kristaps 1051: }
                   1052:
                   1053: static int
1.184     kristaps 1054: termp__a_pre(DECL_ARGS)
                   1055: {
                   1056:
                   1057:        if (n->prev && MDOC__A == n->prev->tok)
                   1058:                if (NULL == n->next || MDOC__A != n->next->tok)
                   1059:                        term_word(p, "and");
                   1060:
1.328     schwarze 1061:        return 1;
1.184     kristaps 1062: }
                   1063:
                   1064: static int
1.61      kristaps 1065: termp_an_pre(DECL_ARGS)
                   1066: {
                   1067:
1.282     schwarze 1068:        if (n->norm->An.auth == AUTH_split) {
                   1069:                p->flags &= ~TERMP_NOSPLIT;
                   1070:                p->flags |= TERMP_SPLIT;
1.328     schwarze 1071:                return 0;
1.282     schwarze 1072:        }
                   1073:        if (n->norm->An.auth == AUTH_nosplit) {
                   1074:                p->flags &= ~TERMP_SPLIT;
                   1075:                p->flags |= TERMP_NOSPLIT;
1.328     schwarze 1076:                return 0;
1.282     schwarze 1077:        }
1.264     schwarze 1078:
1.282     schwarze 1079:        if (p->flags & TERMP_SPLIT)
1.61      kristaps 1080:                term_newln(p);
                   1081:
1.282     schwarze 1082:        if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT))
                   1083:                p->flags |= TERMP_SPLIT;
1.61      kristaps 1084:
1.328     schwarze 1085:        return 1;
1.61      kristaps 1086: }
                   1087:
                   1088: static int
1.1       kristaps 1089: termp_ns_pre(DECL_ARGS)
                   1090: {
                   1091:
1.215     kristaps 1092:        if ( ! (MDOC_LINE & n->flags))
                   1093:                p->flags |= TERMP_NOSPACE;
1.328     schwarze 1094:        return 1;
1.1       kristaps 1095: }
                   1096:
                   1097: static int
                   1098: termp_rs_pre(DECL_ARGS)
                   1099: {
                   1100:
1.86      kristaps 1101:        if (SEC_SEE_ALSO != n->sec)
1.328     schwarze 1102:                return 1;
1.314     schwarze 1103:        if (n->type == ROFFT_BLOCK && n->prev != NULL)
1.1       kristaps 1104:                term_vspace(p);
1.328     schwarze 1105:        return 1;
1.1       kristaps 1106: }
                   1107:
                   1108: static int
                   1109: termp_rv_pre(DECL_ARGS)
                   1110: {
1.331     schwarze 1111:        struct roff_node *nch;
1.1       kristaps 1112:
                   1113:        term_newln(p);
                   1114:
1.331     schwarze 1115:        if (n->child != NULL) {
1.273     schwarze 1116:                term_word(p, "The");
1.224     kristaps 1117:
1.331     schwarze 1118:                for (nch = n->child; nch != NULL; nch = nch->next) {
1.273     schwarze 1119:                        term_fontpush(p, TERMFONT_BOLD);
1.331     schwarze 1120:                        term_word(p, nch->string);
1.273     schwarze 1121:                        term_fontpop(p);
1.223     kristaps 1122:
                   1123:                        p->flags |= TERMP_NOSPACE;
1.273     schwarze 1124:                        term_word(p, "()");
                   1125:
1.331     schwarze 1126:                        if (nch->next == NULL)
1.273     schwarze 1127:                                continue;
                   1128:
1.331     schwarze 1129:                        if (nch->prev != NULL || nch->next->next != NULL) {
1.273     schwarze 1130:                                p->flags |= TERMP_NOSPACE;
                   1131:                                term_word(p, ",");
                   1132:                        }
1.331     schwarze 1133:                        if (nch->next->next == NULL)
1.273     schwarze 1134:                                term_word(p, "and");
1.223     kristaps 1135:                }
                   1136:
1.331     schwarze 1137:                if (n->child != NULL && n->child->next != NULL)
1.273     schwarze 1138:                        term_word(p, "functions return");
                   1139:                else
                   1140:                        term_word(p, "function returns");
                   1141:
                   1142:                term_word(p, "the value\\~0 if successful;");
                   1143:        } else
                   1144:                term_word(p, "Upon successful completion,"
                   1145:                    " the value\\~0 is returned;");
1.1       kristaps 1146:
1.273     schwarze 1147:        term_word(p, "otherwise the value\\~\\-1 is returned"
                   1148:            " and the global variable");
1.1       kristaps 1149:
1.102     kristaps 1150:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1151:        term_word(p, "errno");
1.102     kristaps 1152:        term_fontpop(p);
1.1       kristaps 1153:
1.264     schwarze 1154:        term_word(p, "is set to indicate the error.");
1.131     kristaps 1155:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1156:
1.328     schwarze 1157:        return 0;
1.1       kristaps 1158: }
                   1159:
                   1160: static int
                   1161: termp_ex_pre(DECL_ARGS)
                   1162: {
1.331     schwarze 1163:        struct roff_node *nch;
1.1       kristaps 1164:
1.224     kristaps 1165:        term_newln(p);
1.68      kristaps 1166:        term_word(p, "The");
1.1       kristaps 1167:
1.331     schwarze 1168:        for (nch = n->child; nch != NULL; nch = nch->next) {
1.102     kristaps 1169:                term_fontpush(p, TERMFONT_BOLD);
1.331     schwarze 1170:                term_word(p, nch->string);
1.102     kristaps 1171:                term_fontpop(p);
1.224     kristaps 1172:
1.331     schwarze 1173:                if (nch->next == NULL)
                   1174:                        continue;
                   1175:
                   1176:                if (nch->prev != NULL || nch->next->next != NULL) {
1.224     kristaps 1177:                        p->flags |= TERMP_NOSPACE;
1.68      kristaps 1178:                        term_word(p, ",");
1.224     kristaps 1179:                }
                   1180:
1.331     schwarze 1181:                if (nch->next->next == NULL)
1.224     kristaps 1182:                        term_word(p, "and");
1.68      kristaps 1183:        }
                   1184:
1.331     schwarze 1185:        if (n->child != NULL && n->child->next != NULL)
1.273     schwarze 1186:                term_word(p, "utilities exit\\~0");
1.68      kristaps 1187:        else
1.273     schwarze 1188:                term_word(p, "utility exits\\~0");
1.68      kristaps 1189:
1.273     schwarze 1190:        term_word(p, "on success, and\\~>0 if an error occurs.");
1.224     kristaps 1191:
1.131     kristaps 1192:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1193:        return 0;
1.1       kristaps 1194: }
                   1195:
                   1196: static int
                   1197: termp_nd_pre(DECL_ARGS)
                   1198: {
1.25      kristaps 1199:
1.314     schwarze 1200:        if (n->type == ROFFT_BODY)
1.297     schwarze 1201:                term_word(p, "\\(en");
1.328     schwarze 1202:        return 1;
1.115     kristaps 1203: }
                   1204:
                   1205: static int
                   1206: termp_bl_pre(DECL_ARGS)
                   1207: {
                   1208:
1.328     schwarze 1209:        return n->type != ROFFT_HEAD;
1.1       kristaps 1210: }
                   1211:
                   1212: static void
                   1213: termp_bl_post(DECL_ARGS)
                   1214: {
                   1215:
1.314     schwarze 1216:        if (n->type == ROFFT_BLOCK)
1.1       kristaps 1217:                term_newln(p);
                   1218: }
                   1219:
                   1220: static int
                   1221: termp_xr_pre(DECL_ARGS)
                   1222: {
                   1223:
1.225     kristaps 1224:        if (NULL == (n = n->child))
1.328     schwarze 1225:                return 0;
1.113     kristaps 1226:
1.314     schwarze 1227:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1228:        term_word(p, n->string);
1.11      kristaps 1229:
1.264     schwarze 1230:        if (NULL == (n = n->next))
1.328     schwarze 1231:                return 0;
1.225     kristaps 1232:
1.1       kristaps 1233:        p->flags |= TERMP_NOSPACE;
                   1234:        term_word(p, "(");
1.222     kristaps 1235:        p->flags |= TERMP_NOSPACE;
1.225     kristaps 1236:
1.314     schwarze 1237:        assert(n->type == ROFFT_TEXT);
1.225     kristaps 1238:        term_word(p, n->string);
                   1239:
1.222     kristaps 1240:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1241:        term_word(p, ")");
1.86      kristaps 1242:
1.328     schwarze 1243:        return 0;
1.1       kristaps 1244: }
                   1245:
1.143     kristaps 1246: /*
                   1247:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1248:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1249:  * macro combos).
                   1250:  */
                   1251: static void
1.315     schwarze 1252: synopsis_pre(struct termp *p, const struct roff_node *n)
1.143     kristaps 1253: {
1.264     schwarze 1254:        /*
1.143     kristaps 1255:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1256:         * exist, do nothing.
                   1257:         */
1.160     kristaps 1258:        if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags))
1.143     kristaps 1259:                return;
                   1260:
                   1261:        /*
                   1262:         * If we're the second in a pair of like elements, emit our
                   1263:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1264:         * case we soldier on.
                   1265:         */
1.264     schwarze 1266:        if (n->prev->tok == n->tok &&
                   1267:            MDOC_Ft != n->tok &&
                   1268:            MDOC_Fo != n->tok &&
                   1269:            MDOC_Fn != n->tok) {
1.143     kristaps 1270:                term_newln(p);
                   1271:                return;
                   1272:        }
                   1273:
                   1274:        /*
                   1275:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1276:         * another (or Fn/Fo, which we've let slip through) then assert
                   1277:         * vertical space, else only newline and move on.
                   1278:         */
                   1279:        switch (n->prev->tok) {
1.264     schwarze 1280:        case MDOC_Fd:
                   1281:        case MDOC_Fn:
                   1282:        case MDOC_Fo:
                   1283:        case MDOC_In:
                   1284:        case MDOC_Vt:
1.143     kristaps 1285:                term_vspace(p);
                   1286:                break;
1.264     schwarze 1287:        case MDOC_Ft:
1.143     kristaps 1288:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1289:                        term_vspace(p);
                   1290:                        break;
                   1291:                }
                   1292:                /* FALLTHROUGH */
                   1293:        default:
                   1294:                term_newln(p);
                   1295:                break;
                   1296:        }
                   1297: }
                   1298:
1.110     kristaps 1299: static int
                   1300: termp_vt_pre(DECL_ARGS)
                   1301: {
                   1302:
1.314     schwarze 1303:        if (n->type == ROFFT_ELEM) {
1.143     kristaps 1304:                synopsis_pre(p, n);
1.328     schwarze 1305:                return termp_under_pre(p, pair, meta, n);
1.314     schwarze 1306:        } else if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1307:                synopsis_pre(p, n);
1.328     schwarze 1308:                return 1;
1.314     schwarze 1309:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1310:                return 0;
1.110     kristaps 1311:
1.328     schwarze 1312:        return termp_under_pre(p, pair, meta, n);
1.110     kristaps 1313: }
                   1314:
1.1       kristaps 1315: static int
1.69      kristaps 1316: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1317: {
                   1318:
1.320     schwarze 1319:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 1320:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1321:        return 1;
1.1       kristaps 1322: }
                   1323:
1.143     kristaps 1324: static int
                   1325: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1326: {
                   1327:
1.143     kristaps 1328:        synopsis_pre(p, n);
1.328     schwarze 1329:        return termp_bold_pre(p, pair, meta, n);
1.1       kristaps 1330: }
                   1331:
1.241     schwarze 1332: static void
                   1333: termp_fd_post(DECL_ARGS)
                   1334: {
                   1335:
                   1336:        term_newln(p);
                   1337: }
                   1338:
1.1       kristaps 1339: static int
                   1340: termp_sh_pre(DECL_ARGS)
                   1341: {
1.85      kristaps 1342:
1.86      kristaps 1343:        switch (n->type) {
1.314     schwarze 1344:        case ROFFT_BLOCK:
1.293     schwarze 1345:                /*
                   1346:                 * Vertical space before sections, except
                   1347:                 * when the previous section was empty.
                   1348:                 */
                   1349:                if (n->prev == NULL ||
1.322     schwarze 1350:                    n->prev->tok != MDOC_Sh ||
1.293     schwarze 1351:                    (n->prev->body != NULL &&
                   1352:                     n->prev->body->child != NULL))
                   1353:                        term_vspace(p);
1.65      kristaps 1354:                break;
1.314     schwarze 1355:        case ROFFT_HEAD:
1.102     kristaps 1356:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1357:                break;
1.314     schwarze 1358:        case ROFFT_BODY:
1.238     schwarze 1359:                p->offset = term_len(p, p->defindent);
1.322     schwarze 1360:                switch (n->sec) {
                   1361:                case SEC_DESCRIPTION:
                   1362:                        fn_prio = 0;
                   1363:                        break;
                   1364:                case SEC_AUTHORS:
1.239     schwarze 1365:                        p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT);
1.322     schwarze 1366:                        break;
                   1367:                default:
                   1368:                        break;
                   1369:                }
1.1       kristaps 1370:                break;
                   1371:        default:
                   1372:                break;
                   1373:        }
1.328     schwarze 1374:        return 1;
1.1       kristaps 1375: }
                   1376:
                   1377: static void
                   1378: termp_sh_post(DECL_ARGS)
                   1379: {
                   1380:
1.86      kristaps 1381:        switch (n->type) {
1.314     schwarze 1382:        case ROFFT_HEAD:
1.1       kristaps 1383:                term_newln(p);
                   1384:                break;
1.314     schwarze 1385:        case ROFFT_BODY:
1.1       kristaps 1386:                term_newln(p);
                   1387:                p->offset = 0;
                   1388:                break;
                   1389:        default:
                   1390:                break;
                   1391:        }
                   1392: }
                   1393:
                   1394: static int
                   1395: termp_bt_pre(DECL_ARGS)
                   1396: {
                   1397:
                   1398:        term_word(p, "is currently in beta test.");
1.131     kristaps 1399:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1400:        return 0;
1.1       kristaps 1401: }
                   1402:
                   1403: static void
                   1404: termp_lb_post(DECL_ARGS)
                   1405: {
                   1406:
1.122     kristaps 1407:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1408:                term_newln(p);
1.1       kristaps 1409: }
                   1410:
                   1411: static int
                   1412: termp_ud_pre(DECL_ARGS)
                   1413: {
                   1414:
                   1415:        term_word(p, "currently under development.");
1.131     kristaps 1416:        p->flags |= TERMP_SENTENCE;
1.328     schwarze 1417:        return 0;
1.1       kristaps 1418: }
                   1419:
                   1420: static int
                   1421: termp_d1_pre(DECL_ARGS)
                   1422: {
                   1423:
1.314     schwarze 1424:        if (n->type != ROFFT_BLOCK)
1.328     schwarze 1425:                return 1;
1.1       kristaps 1426:        term_newln(p);
1.238     schwarze 1427:        p->offset += term_len(p, p->defindent + 1);
1.328     schwarze 1428:        return 1;
1.1       kristaps 1429: }
                   1430:
                   1431: static int
                   1432: termp_ft_pre(DECL_ARGS)
                   1433: {
                   1434:
1.141     kristaps 1435:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1436:        synopsis_pre(p, n);
1.102     kristaps 1437:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1438:        return 1;
1.1       kristaps 1439: }
                   1440:
                   1441: static int
                   1442: termp_fn_pre(DECL_ARGS)
                   1443: {
1.257     schwarze 1444:        size_t           rmargin = 0;
1.226     kristaps 1445:        int              pretty;
                   1446:
                   1447:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1448:
1.143     kristaps 1449:        synopsis_pre(p, n);
1.139     kristaps 1450:
1.226     kristaps 1451:        if (NULL == (n = n->child))
1.328     schwarze 1452:                return 0;
1.226     kristaps 1453:
1.251     schwarze 1454:        if (pretty) {
                   1455:                rmargin = p->rmargin;
1.257     schwarze 1456:                p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 1457:                p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG;
1.251     schwarze 1458:        }
                   1459:
1.314     schwarze 1460:        assert(n->type == ROFFT_TEXT);
1.102     kristaps 1461:        term_fontpush(p, TERMFONT_BOLD);
1.226     kristaps 1462:        term_word(p, n->string);
1.102     kristaps 1463:        term_fontpop(p);
1.1       kristaps 1464:
1.324     schwarze 1465:        if (n->sec == SEC_DESCRIPTION)
                   1466:                tag_put(n->string, ++fn_prio, p->line);
1.322     schwarze 1467:
1.251     schwarze 1468:        if (pretty) {
                   1469:                term_flushln(p);
1.263     schwarze 1470:                p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG);
1.251     schwarze 1471:                p->offset = p->rmargin;
                   1472:                p->rmargin = rmargin;
                   1473:        }
                   1474:
1.1       kristaps 1475:        p->flags |= TERMP_NOSPACE;
                   1476:        term_word(p, "(");
1.222     kristaps 1477:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1478:
1.226     kristaps 1479:        for (n = n->next; n; n = n->next) {
1.314     schwarze 1480:                assert(n->type == ROFFT_TEXT);
1.102     kristaps 1481:                term_fontpush(p, TERMFONT_UNDER);
1.255     schwarze 1482:                if (pretty)
                   1483:                        p->flags |= TERMP_NBRWORD;
1.226     kristaps 1484:                term_word(p, n->string);
1.102     kristaps 1485:                term_fontpop(p);
                   1486:
1.226     kristaps 1487:                if (n->next) {
1.222     kristaps 1488:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1489:                        term_word(p, ",");
1.222     kristaps 1490:                }
1.1       kristaps 1491:        }
                   1492:
1.222     kristaps 1493:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1494:        term_word(p, ")");
                   1495:
1.226     kristaps 1496:        if (pretty) {
1.222     kristaps 1497:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1498:                term_word(p, ";");
1.251     schwarze 1499:                term_flushln(p);
1.222     kristaps 1500:        }
1.1       kristaps 1501:
1.328     schwarze 1502:        return 0;
1.1       kristaps 1503: }
                   1504:
                   1505: static int
                   1506: termp_fa_pre(DECL_ARGS)
                   1507: {
1.315     schwarze 1508:        const struct roff_node  *nn;
1.1       kristaps 1509:
1.86      kristaps 1510:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1511:                term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 1512:                return 1;
1.1       kristaps 1513:        }
                   1514:
1.86      kristaps 1515:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1516:                term_fontpush(p, TERMFONT_UNDER);
1.258     schwarze 1517:                p->flags |= TERMP_NBRWORD;
1.86      kristaps 1518:                term_word(p, nn->string);
1.102     kristaps 1519:                term_fontpop(p);
                   1520:
1.256     schwarze 1521:                if (nn->next || (n->next && n->next->tok == MDOC_Fa)) {
1.222     kristaps 1522:                        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1523:                        term_word(p, ",");
1.222     kristaps 1524:                }
1.1       kristaps 1525:        }
                   1526:
1.328     schwarze 1527:        return 0;
1.1       kristaps 1528: }
                   1529:
                   1530: static int
                   1531: termp_bd_pre(DECL_ARGS)
                   1532: {
1.272     schwarze 1533:        size_t                   tabwidth, lm, len, rm, rmax;
1.315     schwarze 1534:        struct roff_node        *nn;
1.302     schwarze 1535:        int                      offset;
1.1       kristaps 1536:
1.314     schwarze 1537:        if (n->type == ROFFT_BLOCK) {
1.151     kristaps 1538:                print_bvspace(p, n, n);
1.328     schwarze 1539:                return 1;
1.314     schwarze 1540:        } else if (n->type == ROFFT_HEAD)
1.328     schwarze 1541:                return 0;
1.1       kristaps 1542:
1.288     schwarze 1543:        /* Handle the -offset argument. */
                   1544:
                   1545:        if (n->norm->Bd.offs == NULL ||
                   1546:            ! strcmp(n->norm->Bd.offs, "left"))
                   1547:                /* nothing */;
                   1548:        else if ( ! strcmp(n->norm->Bd.offs, "indent"))
                   1549:                p->offset += term_len(p, p->defindent + 1);
                   1550:        else if ( ! strcmp(n->norm->Bd.offs, "indent-two"))
                   1551:                p->offset += term_len(p, (p->defindent + 1) * 2);
1.302     schwarze 1552:        else {
                   1553:                offset = a2width(p, n->norm->Bd.offs);
                   1554:                if (offset < 0 && (size_t)(-offset) > p->offset)
                   1555:                        p->offset = 0;
                   1556:                else if (offset < SHRT_MAX)
                   1557:                        p->offset += offset;
                   1558:        }
1.85      kristaps 1559:
                   1560:        /*
                   1561:         * If -ragged or -filled are specified, the block does nothing
                   1562:         * but change the indentation.  If -unfilled or -literal are
                   1563:         * specified, text is printed exactly as entered in the display:
                   1564:         * for macro lines, a newline is appended to the line.  Blank
                   1565:         * lines are allowed.
                   1566:         */
1.264     schwarze 1567:
                   1568:        if (DISP_literal != n->norm->Bd.type &&
1.272     schwarze 1569:            DISP_unfilled != n->norm->Bd.type &&
                   1570:            DISP_centered != n->norm->Bd.type)
1.328     schwarze 1571:                return 1;
1.1       kristaps 1572:
1.129     schwarze 1573:        tabwidth = p->tabwidth;
1.208     kristaps 1574:        if (DISP_literal == n->norm->Bd.type)
                   1575:                p->tabwidth = term_len(p, 8);
                   1576:
1.272     schwarze 1577:        lm = p->offset;
1.119     kristaps 1578:        rm = p->rmargin;
                   1579:        rmax = p->maxrmargin;
1.120     kristaps 1580:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1581:
1.86      kristaps 1582:        for (nn = n->child; nn; nn = nn->next) {
1.272     schwarze 1583:                if (DISP_centered == n->norm->Bd.type) {
1.314     schwarze 1584:                        if (nn->type == ROFFT_TEXT) {
1.272     schwarze 1585:                                len = term_strlen(p, nn->string);
                   1586:                                p->offset = len >= rm ? 0 :
                   1587:                                    lm + len >= rm ? rm - len :
                   1588:                                    (lm + rm - len) / 2;
                   1589:                        } else
                   1590:                                p->offset = lm;
                   1591:                }
1.245     schwarze 1592:                print_mdoc_node(p, pair, meta, nn);
1.190     kristaps 1593:                /*
                   1594:                 * If the printed node flushes its own line, then we
                   1595:                 * needn't do it here as well.  This is hacky, but the
                   1596:                 * notion of selective eoln whitespace is pretty dumb
                   1597:                 * anyway, so don't sweat it.
                   1598:                 */
                   1599:                switch (nn->tok) {
1.264     schwarze 1600:                case MDOC_Sm:
                   1601:                case MDOC_br:
                   1602:                case MDOC_sp:
                   1603:                case MDOC_Bl:
                   1604:                case MDOC_D1:
                   1605:                case MDOC_Dl:
                   1606:                case MDOC_Lp:
                   1607:                case MDOC_Pp:
1.190     kristaps 1608:                        continue;
                   1609:                default:
                   1610:                        break;
                   1611:                }
1.299     schwarze 1612:                if (p->flags & TERMP_NONEWLINE ||
                   1613:                    (nn->next && ! (nn->next->flags & MDOC_LINE)))
1.180     schwarze 1614:                        continue;
                   1615:                term_flushln(p);
                   1616:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1617:        }
1.147     kristaps 1618:
1.129     schwarze 1619:        p->tabwidth = tabwidth;
1.119     kristaps 1620:        p->rmargin = rm;
                   1621:        p->maxrmargin = rmax;
1.328     schwarze 1622:        return 0;
1.1       kristaps 1623: }
                   1624:
                   1625: static void
                   1626: termp_bd_post(DECL_ARGS)
                   1627: {
1.119     kristaps 1628:        size_t           rm, rmax;
1.1       kristaps 1629:
1.314     schwarze 1630:        if (n->type != ROFFT_BODY)
1.1       kristaps 1631:                return;
1.118     kristaps 1632:
1.119     kristaps 1633:        rm = p->rmargin;
                   1634:        rmax = p->maxrmargin;
1.118     kristaps 1635:
1.264     schwarze 1636:        if (DISP_literal == n->norm->Bd.type ||
                   1637:            DISP_unfilled == n->norm->Bd.type)
1.120     kristaps 1638:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1639:
1.60      kristaps 1640:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1641:        term_newln(p);
1.118     kristaps 1642:
1.119     kristaps 1643:        p->rmargin = rm;
                   1644:        p->maxrmargin = rmax;
1.1       kristaps 1645: }
                   1646:
1.211     kristaps 1647: static int
                   1648: termp_bx_pre(DECL_ARGS)
1.1       kristaps 1649: {
                   1650:
1.211     kristaps 1651:        if (NULL != (n = n->child)) {
                   1652:                term_word(p, n->string);
                   1653:                p->flags |= TERMP_NOSPACE;
                   1654:                term_word(p, "BSD");
                   1655:        } else {
                   1656:                term_word(p, "BSD");
1.328     schwarze 1657:                return 0;
1.211     kristaps 1658:        }
                   1659:
                   1660:        if (NULL != (n = n->next)) {
                   1661:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1662:                term_word(p, "-");
1.1       kristaps 1663:                p->flags |= TERMP_NOSPACE;
1.213     kristaps 1664:                term_word(p, n->string);
1.211     kristaps 1665:        }
                   1666:
1.328     schwarze 1667:        return 0;
1.1       kristaps 1668: }
                   1669:
                   1670: static int
1.26      kristaps 1671: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1672: {
1.26      kristaps 1673:        const char      *pp;
1.218     schwarze 1674:        int              flags;
1.1       kristaps 1675:
1.26      kristaps 1676:        pp = NULL;
1.86      kristaps 1677:        switch (n->tok) {
1.264     schwarze 1678:        case MDOC_Bsx:
1.194     schwarze 1679:                pp = "BSD/OS";
1.26      kristaps 1680:                break;
1.264     schwarze 1681:        case MDOC_Dx:
1.100     kristaps 1682:                pp = "DragonFly";
1.26      kristaps 1683:                break;
1.264     schwarze 1684:        case MDOC_Fx:
1.26      kristaps 1685:                pp = "FreeBSD";
                   1686:                break;
1.264     schwarze 1687:        case MDOC_Nx:
1.26      kristaps 1688:                pp = "NetBSD";
                   1689:                break;
1.264     schwarze 1690:        case MDOC_Ox:
1.26      kristaps 1691:                pp = "OpenBSD";
                   1692:                break;
1.264     schwarze 1693:        case MDOC_Ux:
1.26      kristaps 1694:                pp = "UNIX";
                   1695:                break;
                   1696:        default:
1.246     schwarze 1697:                abort();
1.26      kristaps 1698:        }
1.1       kristaps 1699:
1.26      kristaps 1700:        term_word(p, pp);
1.214     kristaps 1701:        if (n->child) {
1.218     schwarze 1702:                flags = p->flags;
1.214     kristaps 1703:                p->flags |= TERMP_KEEP;
                   1704:                term_word(p, n->child->string);
1.218     schwarze 1705:                p->flags = flags;
1.214     kristaps 1706:        }
1.328     schwarze 1707:        return 0;
1.1       kristaps 1708: }
                   1709:
                   1710: static void
                   1711: termp_pf_post(DECL_ARGS)
                   1712: {
                   1713:
1.298     schwarze 1714:        if ( ! (n->next == NULL || n->next->flags & MDOC_LINE))
                   1715:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1716: }
                   1717:
                   1718: static int
                   1719: termp_ss_pre(DECL_ARGS)
                   1720: {
                   1721:
1.86      kristaps 1722:        switch (n->type) {
1.314     schwarze 1723:        case ROFFT_BLOCK:
1.1       kristaps 1724:                term_newln(p);
1.86      kristaps 1725:                if (n->prev)
1.1       kristaps 1726:                        term_vspace(p);
                   1727:                break;
1.314     schwarze 1728:        case ROFFT_HEAD:
1.102     kristaps 1729:                term_fontpush(p, TERMFONT_BOLD);
1.238     schwarze 1730:                p->offset = term_len(p, (p->defindent+1)/2);
1.1       kristaps 1731:                break;
1.314     schwarze 1732:        case ROFFT_BODY:
1.274     schwarze 1733:                p->offset = term_len(p, p->defindent);
                   1734:                break;
1.1       kristaps 1735:        default:
                   1736:                break;
                   1737:        }
                   1738:
1.328     schwarze 1739:        return 1;
1.1       kristaps 1740: }
                   1741:
                   1742: static void
                   1743: termp_ss_post(DECL_ARGS)
                   1744: {
                   1745:
1.314     schwarze 1746:        if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY)
1.1       kristaps 1747:                term_newln(p);
                   1748: }
                   1749:
                   1750: static int
                   1751: termp_cd_pre(DECL_ARGS)
                   1752: {
                   1753:
1.143     kristaps 1754:        synopsis_pre(p, n);
1.102     kristaps 1755:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 1756:        return 1;
1.1       kristaps 1757: }
                   1758:
                   1759: static int
                   1760: termp_in_pre(DECL_ARGS)
                   1761: {
1.142     schwarze 1762:
1.143     kristaps 1763:        synopsis_pre(p, n);
1.1       kristaps 1764:
1.160     kristaps 1765:        if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) {
1.138     kristaps 1766:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1767:                term_word(p, "#include");
1.138     kristaps 1768:                term_word(p, "<");
                   1769:        } else {
                   1770:                term_word(p, "<");
                   1771:                term_fontpush(p, TERMFONT_UNDER);
                   1772:        }
1.22      kristaps 1773:
1.1       kristaps 1774:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1775:        return 1;
1.1       kristaps 1776: }
                   1777:
                   1778: static void
                   1779: termp_in_post(DECL_ARGS)
                   1780: {
                   1781:
1.160     kristaps 1782:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1783:                term_fontpush(p, TERMFONT_BOLD);
                   1784:
1.79      kristaps 1785:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1786:        term_word(p, ">");
                   1787:
1.160     kristaps 1788:        if (MDOC_SYNPRETTY & n->flags)
1.138     kristaps 1789:                term_fontpop(p);
1.1       kristaps 1790: }
                   1791:
                   1792: static int
1.45      kristaps 1793: termp_sp_pre(DECL_ARGS)
                   1794: {
1.300     schwarze 1795:        struct roffsu    su;
1.312     schwarze 1796:        int              i, len;
1.45      kristaps 1797:
1.86      kristaps 1798:        switch (n->tok) {
1.264     schwarze 1799:        case MDOC_sp:
1.300     schwarze 1800:                if (n->child) {
                   1801:                        if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
                   1802:                                su.scale = 1.0;
                   1803:                        len = term_vspan(p, &su);
                   1804:                } else
                   1805:                        len = 1;
1.76      kristaps 1806:                break;
1.264     schwarze 1807:        case MDOC_br:
1.76      kristaps 1808:                len = 0;
                   1809:                break;
                   1810:        default:
                   1811:                len = 1;
1.322     schwarze 1812:                fn_prio = 0;
1.76      kristaps 1813:                break;
1.45      kristaps 1814:        }
                   1815:
                   1816:        if (0 == len)
                   1817:                term_newln(p);
1.312     schwarze 1818:        else if (len < 0)
                   1819:                p->skipvsp -= len;
                   1820:        else
                   1821:                for (i = 0; i < len; i++)
                   1822:                        term_vspace(p);
1.45      kristaps 1823:
1.328     schwarze 1824:        return 0;
1.45      kristaps 1825: }
                   1826:
                   1827: static int
1.294     schwarze 1828: termp_skip_pre(DECL_ARGS)
1.268     schwarze 1829: {
                   1830:
1.328     schwarze 1831:        return 0;
1.268     schwarze 1832: }
                   1833:
                   1834: static int
1.188     kristaps 1835: termp_quote_pre(DECL_ARGS)
1.1       kristaps 1836: {
                   1837:
1.314     schwarze 1838:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.328     schwarze 1839:                return 1;
1.1       kristaps 1840:
1.188     kristaps 1841:        switch (n->tok) {
1.264     schwarze 1842:        case MDOC_Ao:
                   1843:        case MDOC_Aq:
1.331     schwarze 1844:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1845:                    n->child->tok == MDOC_Mt ? "<" : "\\(la");
1.188     kristaps 1846:                break;
1.264     schwarze 1847:        case MDOC_Bro:
                   1848:        case MDOC_Brq:
1.188     kristaps 1849:                term_word(p, "{");
                   1850:                break;
1.264     schwarze 1851:        case MDOC_Oo:
                   1852:        case MDOC_Op:
                   1853:        case MDOC_Bo:
                   1854:        case MDOC_Bq:
1.188     kristaps 1855:                term_word(p, "[");
                   1856:                break;
1.264     schwarze 1857:        case MDOC_Do:
                   1858:        case MDOC_Dq:
1.311     schwarze 1859:                term_word(p, "\\(Lq");
1.188     kristaps 1860:                break;
1.268     schwarze 1861:        case MDOC_En:
                   1862:                if (NULL == n->norm->Es ||
                   1863:                    NULL == n->norm->Es->child)
1.328     schwarze 1864:                        return 1;
1.268     schwarze 1865:                term_word(p, n->norm->Es->child->string);
                   1866:                break;
1.264     schwarze 1867:        case MDOC_Po:
                   1868:        case MDOC_Pq:
1.188     kristaps 1869:                term_word(p, "(");
                   1870:                break;
1.264     schwarze 1871:        case MDOC__T:
                   1872:        case MDOC_Qo:
                   1873:        case MDOC_Qq:
1.188     kristaps 1874:                term_word(p, "\"");
                   1875:                break;
1.264     schwarze 1876:        case MDOC_Ql:
                   1877:        case MDOC_So:
                   1878:        case MDOC_Sq:
1.249     schwarze 1879:                term_word(p, "\\(oq");
1.188     kristaps 1880:                break;
                   1881:        default:
                   1882:                abort();
                   1883:        }
1.1       kristaps 1884:
                   1885:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 1886:        return 1;
1.1       kristaps 1887: }
                   1888:
                   1889: static void
1.188     kristaps 1890: termp_quote_post(DECL_ARGS)
1.1       kristaps 1891: {
                   1892:
1.314     schwarze 1893:        if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM)
1.1       kristaps 1894:                return;
                   1895:
1.306     schwarze 1896:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1897:
1.188     kristaps 1898:        switch (n->tok) {
1.264     schwarze 1899:        case MDOC_Ao:
                   1900:        case MDOC_Aq:
1.331     schwarze 1901:                term_word(p, n->child != NULL && n->child->next == NULL &&
1.303     schwarze 1902:                    n->child->tok == MDOC_Mt ? ">" : "\\(ra");
1.188     kristaps 1903:                break;
1.264     schwarze 1904:        case MDOC_Bro:
                   1905:        case MDOC_Brq:
1.188     kristaps 1906:                term_word(p, "}");
                   1907:                break;
1.264     schwarze 1908:        case MDOC_Oo:
                   1909:        case MDOC_Op:
                   1910:        case MDOC_Bo:
                   1911:        case MDOC_Bq:
1.188     kristaps 1912:                term_word(p, "]");
                   1913:                break;
1.264     schwarze 1914:        case MDOC_Do:
                   1915:        case MDOC_Dq:
1.311     schwarze 1916:                term_word(p, "\\(Rq");
1.268     schwarze 1917:                break;
                   1918:        case MDOC_En:
1.306     schwarze 1919:                if (n->norm->Es == NULL ||
                   1920:                    n->norm->Es->child == NULL ||
                   1921:                    n->norm->Es->child->next == NULL)
                   1922:                        p->flags &= ~TERMP_NOSPACE;
                   1923:                else
1.268     schwarze 1924:                        term_word(p, n->norm->Es->child->next->string);
1.188     kristaps 1925:                break;
1.264     schwarze 1926:        case MDOC_Po:
                   1927:        case MDOC_Pq:
1.188     kristaps 1928:                term_word(p, ")");
                   1929:                break;
1.264     schwarze 1930:        case MDOC__T:
                   1931:        case MDOC_Qo:
                   1932:        case MDOC_Qq:
1.188     kristaps 1933:                term_word(p, "\"");
                   1934:                break;
1.264     schwarze 1935:        case MDOC_Ql:
                   1936:        case MDOC_So:
                   1937:        case MDOC_Sq:
1.249     schwarze 1938:                term_word(p, "\\(cq");
1.188     kristaps 1939:                break;
                   1940:        default:
                   1941:                abort();
                   1942:        }
1.306     schwarze 1943: }
                   1944:
                   1945: static int
                   1946: termp_eo_pre(DECL_ARGS)
                   1947: {
                   1948:
1.314     schwarze 1949:        if (n->type != ROFFT_BODY)
1.328     schwarze 1950:                return 1;
1.306     schwarze 1951:
                   1952:        if (n->end == ENDBODY_NOT &&
                   1953:            n->parent->head->child == NULL &&
                   1954:            n->child != NULL &&
                   1955:            n->child->end != ENDBODY_NOT)
                   1956:                term_word(p, "\\&");
                   1957:        else if (n->end != ENDBODY_NOT ? n->child != NULL :
1.309     schwarze 1958:             n->parent->head->child != NULL && (n->child != NULL ||
                   1959:             (n->parent->tail != NULL && n->parent->tail->child != NULL)))
1.306     schwarze 1960:                p->flags |= TERMP_NOSPACE;
                   1961:
1.328     schwarze 1962:        return 1;
1.306     schwarze 1963: }
                   1964:
                   1965: static void
                   1966: termp_eo_post(DECL_ARGS)
                   1967: {
                   1968:        int      body, tail;
                   1969:
1.314     schwarze 1970:        if (n->type != ROFFT_BODY)
1.306     schwarze 1971:                return;
                   1972:
                   1973:        if (n->end != ENDBODY_NOT) {
                   1974:                p->flags &= ~TERMP_NOSPACE;
                   1975:                return;
                   1976:        }
                   1977:
                   1978:        body = n->child != NULL || n->parent->head->child != NULL;
                   1979:        tail = n->parent->tail != NULL && n->parent->tail->child != NULL;
                   1980:
                   1981:        if (body && tail)
                   1982:                p->flags |= TERMP_NOSPACE;
                   1983:        else if ( ! (body || tail))
                   1984:                term_word(p, "\\&");
                   1985:        else if ( ! tail)
                   1986:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 1987: }
                   1988:
                   1989: static int
                   1990: termp_fo_pre(DECL_ARGS)
                   1991: {
1.257     schwarze 1992:        size_t           rmargin = 0;
1.256     schwarze 1993:        int              pretty;
                   1994:
                   1995:        pretty = MDOC_SYNPRETTY & n->flags;
1.1       kristaps 1996:
1.314     schwarze 1997:        if (n->type == ROFFT_BLOCK) {
1.143     kristaps 1998:                synopsis_pre(p, n);
1.328     schwarze 1999:                return 1;
1.314     schwarze 2000:        } else if (n->type == ROFFT_BODY) {
1.256     schwarze 2001:                if (pretty) {
                   2002:                        rmargin = p->rmargin;
1.257     schwarze 2003:                        p->rmargin = p->offset + term_len(p, 4);
1.263     schwarze 2004:                        p->flags |= TERMP_NOBREAK | TERMP_BRIND |
                   2005:                                        TERMP_HANG;
1.256     schwarze 2006:                }
1.33      kristaps 2007:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 2008:                term_word(p, "(");
1.222     kristaps 2009:                p->flags |= TERMP_NOSPACE;
1.256     schwarze 2010:                if (pretty) {
                   2011:                        term_flushln(p);
1.263     schwarze 2012:                        p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND |
                   2013:                                        TERMP_HANG);
1.256     schwarze 2014:                        p->offset = p->rmargin;
                   2015:                        p->rmargin = rmargin;
                   2016:                }
1.328     schwarze 2017:                return 1;
1.256     schwarze 2018:        }
1.141     kristaps 2019:
1.169     kristaps 2020:        if (NULL == n->child)
1.328     schwarze 2021:                return 0;
1.169     kristaps 2022:
1.141     kristaps 2023:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 2024:
1.141     kristaps 2025:        assert(n->child->string);
1.102     kristaps 2026:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 2027:        term_word(p, n->child->string);
1.328     schwarze 2028:        return 0;
1.1       kristaps 2029: }
                   2030:
                   2031: static void
                   2032: termp_fo_post(DECL_ARGS)
                   2033: {
                   2034:
1.314     schwarze 2035:        if (n->type != ROFFT_BODY)
1.143     kristaps 2036:                return;
                   2037:
1.222     kristaps 2038:        p->flags |= TERMP_NOSPACE;
1.143     kristaps 2039:        term_word(p, ")");
                   2040:
1.222     kristaps 2041:        if (MDOC_SYNPRETTY & n->flags) {
                   2042:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 2043:                term_word(p, ";");
1.256     schwarze 2044:                term_flushln(p);
1.222     kristaps 2045:        }
1.1       kristaps 2046: }
                   2047:
                   2048: static int
                   2049: termp_bf_pre(DECL_ARGS)
                   2050: {
                   2051:
1.314     schwarze 2052:        if (n->type == ROFFT_HEAD)
1.328     schwarze 2053:                return 0;
1.314     schwarze 2054:        else if (n->type != ROFFT_BODY)
1.328     schwarze 2055:                return 1;
1.1       kristaps 2056:
1.264     schwarze 2057:        if (FONT_Em == n->norm->Bf.font)
1.102     kristaps 2058:                term_fontpush(p, TERMFONT_UNDER);
1.264     schwarze 2059:        else if (FONT_Sy == n->norm->Bf.font)
1.102     kristaps 2060:                term_fontpush(p, TERMFONT_BOLD);
1.264     schwarze 2061:        else
1.102     kristaps 2062:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2063:
1.328     schwarze 2064:        return 1;
1.1       kristaps 2065: }
                   2066:
                   2067: static int
                   2068: termp_sm_pre(DECL_ARGS)
                   2069: {
                   2070:
1.269     schwarze 2071:        if (NULL == n->child)
                   2072:                p->flags ^= TERMP_NONOSPACE;
                   2073:        else if (0 == strcmp("on", n->child->string))
1.1       kristaps 2074:                p->flags &= ~TERMP_NONOSPACE;
1.269     schwarze 2075:        else
1.1       kristaps 2076:                p->flags |= TERMP_NONOSPACE;
1.269     schwarze 2077:
                   2078:        if (p->col && ! (TERMP_NONOSPACE & p->flags))
                   2079:                p->flags &= ~TERMP_NOSPACE;
1.1       kristaps 2080:
1.328     schwarze 2081:        return 0;
1.1       kristaps 2082: }
                   2083:
                   2084: static int
                   2085: termp_ap_pre(DECL_ARGS)
                   2086: {
                   2087:
                   2088:        p->flags |= TERMP_NOSPACE;
1.188     kristaps 2089:        term_word(p, "'");
1.1       kristaps 2090:        p->flags |= TERMP_NOSPACE;
1.328     schwarze 2091:        return 1;
1.1       kristaps 2092: }
                   2093:
                   2094: static void
                   2095: termp____post(DECL_ARGS)
                   2096: {
1.184     kristaps 2097:
                   2098:        /*
                   2099:         * Handle lists of authors.  In general, print each followed by
                   2100:         * a comma.  Don't print the comma if there are only two
                   2101:         * authors.
                   2102:         */
                   2103:        if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok)
                   2104:                if (NULL == n->next->next || MDOC__A != n->next->next->tok)
                   2105:                        if (NULL == n->prev || MDOC__A != n->prev->tok)
                   2106:                                return;
1.1       kristaps 2107:
1.95      kristaps 2108:        /* TODO: %U. */
                   2109:
1.187     kristaps 2110:        if (NULL == n->parent || MDOC_Rs != n->parent->tok)
                   2111:                return;
                   2112:
1.222     kristaps 2113:        p->flags |= TERMP_NOSPACE;
1.186     kristaps 2114:        if (NULL == n->next) {
                   2115:                term_word(p, ".");
                   2116:                p->flags |= TERMP_SENTENCE;
                   2117:        } else
                   2118:                term_word(p, ",");
1.1       kristaps 2119: }
                   2120:
                   2121: static int
1.102     kristaps 2122: termp_li_pre(DECL_ARGS)
                   2123: {
                   2124:
1.335   ! schwarze 2125:        termp_tag_pre(p, pair, meta, n);
1.102     kristaps 2126:        term_fontpush(p, TERMFONT_NONE);
1.328     schwarze 2127:        return 1;
1.102     kristaps 2128: }
                   2129:
                   2130: static int
1.1       kristaps 2131: termp_lk_pre(DECL_ARGS)
                   2132: {
1.315     schwarze 2133:        const struct roff_node *link, *descr;
1.1       kristaps 2134:
1.240     schwarze 2135:        if (NULL == (link = n->child))
1.328     schwarze 2136:                return 0;
1.181     kristaps 2137:
1.240     schwarze 2138:        if (NULL != (descr = link->next)) {
                   2139:                term_fontpush(p, TERMFONT_UNDER);
                   2140:                while (NULL != descr) {
                   2141:                        term_word(p, descr->string);
                   2142:                        descr = descr->next;
                   2143:                }
                   2144:                p->flags |= TERMP_NOSPACE;
                   2145:                term_word(p, ":");
                   2146:                term_fontpop(p);
                   2147:        }
1.1       kristaps 2148:
1.102     kristaps 2149:        term_fontpush(p, TERMFONT_BOLD);
1.240     schwarze 2150:        term_word(p, link->string);
1.102     kristaps 2151:        term_fontpop(p);
1.12      kristaps 2152:
1.328     schwarze 2153:        return 0;
1.1       kristaps 2154: }
                   2155:
1.159     schwarze 2156: static int
                   2157: termp_bk_pre(DECL_ARGS)
                   2158: {
                   2159:
1.161     schwarze 2160:        switch (n->type) {
1.314     schwarze 2161:        case ROFFT_BLOCK:
1.166     kristaps 2162:                break;
1.314     schwarze 2163:        case ROFFT_HEAD:
1.328     schwarze 2164:                return 0;
1.314     schwarze 2165:        case ROFFT_BODY:
1.331     schwarze 2166:                if (n->parent->args != NULL || n->prev->child == NULL)
1.200     schwarze 2167:                        p->flags |= TERMP_PREKEEP;
1.166     kristaps 2168:                break;
1.161     schwarze 2169:        default:
                   2170:                abort();
                   2171:        }
1.166     kristaps 2172:
1.328     schwarze 2173:        return 1;
1.159     schwarze 2174: }
                   2175:
                   2176: static void
                   2177: termp_bk_post(DECL_ARGS)
                   2178: {
                   2179:
1.314     schwarze 2180:        if (n->type == ROFFT_BODY)
1.161     schwarze 2181:                p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
1.203     kristaps 2182: }
                   2183:
                   2184: static void
                   2185: termp__t_post(DECL_ARGS)
                   2186: {
                   2187:
                   2188:        /*
                   2189:         * If we're in an `Rs' and there's a journal present, then quote
                   2190:         * us instead of underlining us (for disambiguation).
                   2191:         */
1.217     schwarze 2192:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2193:            n->parent->norm->Rs.quote_T)
1.245     schwarze 2194:                termp_quote_post(p, pair, meta, n);
1.203     kristaps 2195:
1.245     schwarze 2196:        termp____post(p, pair, meta, n);
1.203     kristaps 2197: }
                   2198:
                   2199: static int
                   2200: termp__t_pre(DECL_ARGS)
                   2201: {
                   2202:
                   2203:        /*
                   2204:         * If we're in an `Rs' and there's a journal present, then quote
                   2205:         * us instead of underlining us (for disambiguation).
                   2206:         */
                   2207:        if (n->parent && MDOC_Rs == n->parent->tok &&
1.264     schwarze 2208:            n->parent->norm->Rs.quote_T)
1.328     schwarze 2209:                return termp_quote_pre(p, pair, meta, n);
1.203     kristaps 2210:
                   2211:        term_fontpush(p, TERMFONT_UNDER);
1.328     schwarze 2212:        return 1;
1.159     schwarze 2213: }
1.1       kristaps 2214:
                   2215: static int
1.69      kristaps 2216: termp_under_pre(DECL_ARGS)
1.1       kristaps 2217: {
                   2218:
1.102     kristaps 2219:        term_fontpush(p, TERMFONT_UNDER);
1.334     schwarze 2220:        return 1;
                   2221: }
                   2222:
                   2223: static int
                   2224: termp_em_pre(DECL_ARGS)
                   2225: {
                   2226:        if (n->child != NULL &&
                   2227:            n->child->type == ROFFT_TEXT)
                   2228:                tag_put(n->child->string, 0, p->line);
                   2229:        term_fontpush(p, TERMFONT_UNDER);
                   2230:        return 1;
                   2231: }
                   2232:
                   2233: static int
                   2234: termp_sy_pre(DECL_ARGS)
                   2235: {
                   2236:        if (n->child != NULL &&
                   2237:            n->child->type == ROFFT_TEXT)
                   2238:                tag_put(n->child->string, 0, p->line);
                   2239:        term_fontpush(p, TERMFONT_BOLD);
1.328     schwarze 2240:        return 1;
1.323     schwarze 2241: }
                   2242:
                   2243: static int
                   2244: termp_er_pre(DECL_ARGS)
                   2245: {
                   2246:
                   2247:        if (n->sec == SEC_ERRORS &&
                   2248:            (n->parent->tok == MDOC_It ||
                   2249:             (n->parent->tok == MDOC_Bq &&
1.324     schwarze 2250:              n->parent->parent->parent->tok == MDOC_It)))
                   2251:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2252:        return 1;
1.320     schwarze 2253: }
                   2254:
                   2255: static int
                   2256: termp_tag_pre(DECL_ARGS)
                   2257: {
                   2258:
                   2259:        if (n->child != NULL &&
                   2260:            n->child->type == ROFFT_TEXT &&
1.333     schwarze 2261:            (n->prev == NULL ||
                   2262:             (n->prev->type == ROFFT_TEXT &&
                   2263:              strcmp(n->prev->string, "|") == 0)) &&
1.320     schwarze 2264:            (n->parent->tok == MDOC_It ||
                   2265:             (n->parent->tok == MDOC_Xo &&
                   2266:              n->parent->parent->prev == NULL &&
1.324     schwarze 2267:              n->parent->parent->parent->tok == MDOC_It)))
                   2268:                tag_put(n->child->string, 1, p->line);
1.328     schwarze 2269:        return 1;
1.84      kristaps 2270: }

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