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Annotation of mandoc/mdoc_term.c, Revision 1.159

1.159   ! schwarze    1: /*     $Id: mdoc_term.c,v 1.158 2010/06/26 15:36:37 kristaps Exp $ */
1.1       kristaps    2: /*
1.156     kristaps    3:  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
1.6       kristaps    6:  * purpose with or without fee is hereby granted, provided that the above
                      7:  * copyright notice and this permission notice appear in all copies.
1.1       kristaps    8:  *
1.6       kristaps    9:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     10:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     11:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     12:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     13:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     14:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     15:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1       kristaps   16:  */
1.107     kristaps   17: #ifdef HAVE_CONFIG_H
                     18: #include "config.h"
                     19: #endif
                     20:
1.1       kristaps   21: #include <sys/types.h>
                     22:
                     23: #include <assert.h>
                     24: #include <ctype.h>
1.118     kristaps   25: #include <stdint.h>
1.1       kristaps   26: #include <stdio.h>
                     27: #include <stdlib.h>
                     28: #include <string.h>
                     29:
1.125     kristaps   30: #include "mandoc.h"
1.92      kristaps   31: #include "out.h"
1.1       kristaps   32: #include "term.h"
1.158     kristaps   33: #include "regs.h"
1.1       kristaps   34: #include "mdoc.h"
1.89      kristaps   35: #include "chars.h"
                     36: #include "main.h"
1.1       kristaps   37:
1.66      kristaps   38: #define        INDENT            5
                     39: #define        HALFINDENT        3
                     40:
1.1       kristaps   41: struct termpair {
                     42:        struct termpair  *ppair;
1.31      kristaps   43:        int               count;
1.1       kristaps   44: };
                     45:
1.31      kristaps   46: #define        DECL_ARGS struct termp *p, \
                     47:                  struct termpair *pair, \
1.86      kristaps   48:                  const struct mdoc_meta *m, \
                     49:                  const struct mdoc_node *n
1.1       kristaps   50:
                     51: struct termact {
                     52:        int     (*pre)(DECL_ARGS);
                     53:        void    (*post)(DECL_ARGS);
                     54: };
                     55:
1.157     kristaps   56: static size_t    a2width(const struct termp *, const char *);
                     57: static size_t    a2height(const struct termp *, const char *);
                     58: static size_t    a2offs(const struct termp *, const char *);
1.96      kristaps   59:
                     60: static int       arg_hasattr(int, const struct mdoc_node *);
                     61: static int       arg_getattr(int, const struct mdoc_node *);
                     62: static void      print_bvspace(struct termp *,
1.151     kristaps   63:                        const struct mdoc_node *,
1.96      kristaps   64:                        const struct mdoc_node *);
1.102     kristaps   65: static void      print_mdoc_node(DECL_ARGS);
1.145     kristaps   66: static void      print_mdoc_nodelist(DECL_ARGS);
1.144     kristaps   67: static void      print_mdoc_head(struct termp *, const void *);
1.145     kristaps   68: static void      print_mdoc_foot(struct termp *, const void *);
1.143     kristaps   69: static void      synopsis_pre(struct termp *,
                     70:                        const struct mdoc_node *);
1.96      kristaps   71:
1.31      kristaps   72: static void      termp____post(DECL_ARGS);
1.61      kristaps   73: static void      termp_an_post(DECL_ARGS);
1.31      kristaps   74: static void      termp_aq_post(DECL_ARGS);
                     75: static void      termp_bd_post(DECL_ARGS);
1.159   ! schwarze   76: static void      termp_bk_post(DECL_ARGS);
1.31      kristaps   77: static void      termp_bl_post(DECL_ARGS);
                     78: static void      termp_bq_post(DECL_ARGS);
                     79: static void      termp_brq_post(DECL_ARGS);
                     80: static void      termp_bx_post(DECL_ARGS);
                     81: static void      termp_d1_post(DECL_ARGS);
                     82: static void      termp_dq_post(DECL_ARGS);
1.143     kristaps   83: static int       termp_fd_pre(DECL_ARGS);
1.31      kristaps   84: static void      termp_fo_post(DECL_ARGS);
                     85: static void      termp_in_post(DECL_ARGS);
                     86: static void      termp_it_post(DECL_ARGS);
                     87: static void      termp_lb_post(DECL_ARGS);
                     88: static void      termp_op_post(DECL_ARGS);
                     89: static void      termp_pf_post(DECL_ARGS);
                     90: static void      termp_pq_post(DECL_ARGS);
                     91: static void      termp_qq_post(DECL_ARGS);
                     92: static void      termp_sh_post(DECL_ARGS);
                     93: static void      termp_sq_post(DECL_ARGS);
                     94: static void      termp_ss_post(DECL_ARGS);
                     95:
1.61      kristaps   96: static int       termp_an_pre(DECL_ARGS);
1.31      kristaps   97: static int       termp_ap_pre(DECL_ARGS);
                     98: static int       termp_aq_pre(DECL_ARGS);
                     99: static int       termp_bd_pre(DECL_ARGS);
                    100: static int       termp_bf_pre(DECL_ARGS);
1.159   ! schwarze  101: static int       termp_bk_pre(DECL_ARGS);
1.115     kristaps  102: static int       termp_bl_pre(DECL_ARGS);
1.69      kristaps  103: static int       termp_bold_pre(DECL_ARGS);
1.31      kristaps  104: static int       termp_bq_pre(DECL_ARGS);
                    105: static int       termp_brq_pre(DECL_ARGS);
                    106: static int       termp_bt_pre(DECL_ARGS);
                    107: static int       termp_cd_pre(DECL_ARGS);
                    108: static int       termp_d1_pre(DECL_ARGS);
                    109: static int       termp_dq_pre(DECL_ARGS);
                    110: static int       termp_ex_pre(DECL_ARGS);
                    111: static int       termp_fa_pre(DECL_ARGS);
                    112: static int       termp_fl_pre(DECL_ARGS);
                    113: static int       termp_fn_pre(DECL_ARGS);
                    114: static int       termp_fo_pre(DECL_ARGS);
                    115: static int       termp_ft_pre(DECL_ARGS);
                    116: static int       termp_in_pre(DECL_ARGS);
                    117: static int       termp_it_pre(DECL_ARGS);
1.102     kristaps  118: static int       termp_li_pre(DECL_ARGS);
1.31      kristaps  119: static int       termp_lk_pre(DECL_ARGS);
                    120: static int       termp_nd_pre(DECL_ARGS);
                    121: static int       termp_nm_pre(DECL_ARGS);
                    122: static int       termp_ns_pre(DECL_ARGS);
                    123: static int       termp_op_pre(DECL_ARGS);
                    124: static int       termp_pf_pre(DECL_ARGS);
                    125: static int       termp_pq_pre(DECL_ARGS);
                    126: static int       termp_qq_pre(DECL_ARGS);
                    127: static int       termp_rs_pre(DECL_ARGS);
                    128: static int       termp_rv_pre(DECL_ARGS);
                    129: static int       termp_sh_pre(DECL_ARGS);
                    130: static int       termp_sm_pre(DECL_ARGS);
1.45      kristaps  131: static int       termp_sp_pre(DECL_ARGS);
1.31      kristaps  132: static int       termp_sq_pre(DECL_ARGS);
                    133: static int       termp_ss_pre(DECL_ARGS);
1.69      kristaps  134: static int       termp_under_pre(DECL_ARGS);
1.31      kristaps  135: static int       termp_ud_pre(DECL_ARGS);
1.110     kristaps  136: static int       termp_vt_pre(DECL_ARGS);
1.31      kristaps  137: static int       termp_xr_pre(DECL_ARGS);
                    138: static int       termp_xx_pre(DECL_ARGS);
                    139:
1.70      kristaps  140: static const struct termact termacts[MDOC_MAX] = {
1.14      kristaps  141:        { termp_ap_pre, NULL }, /* Ap */
1.1       kristaps  142:        { NULL, NULL }, /* Dd */
                    143:        { NULL, NULL }, /* Dt */
                    144:        { NULL, NULL }, /* Os */
                    145:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    146:        { termp_ss_pre, termp_ss_post }, /* Ss */
1.76      kristaps  147:        { termp_sp_pre, NULL }, /* Pp */
1.1       kristaps  148:        { termp_d1_pre, termp_d1_post }, /* D1 */
                    149:        { termp_d1_pre, termp_d1_post }, /* Dl */
                    150:        { termp_bd_pre, termp_bd_post }, /* Bd */
                    151:        { NULL, NULL }, /* Ed */
1.115     kristaps  152:        { termp_bl_pre, termp_bl_post }, /* Bl */
1.1       kristaps  153:        { NULL, NULL }, /* El */
                    154:        { termp_it_pre, termp_it_post }, /* It */
                    155:        { NULL, NULL }, /* Ad */
1.61      kristaps  156:        { termp_an_pre, termp_an_post }, /* An */
1.69      kristaps  157:        { termp_under_pre, NULL }, /* Ar */
1.1       kristaps  158:        { termp_cd_pre, NULL }, /* Cd */
1.69      kristaps  159:        { termp_bold_pre, NULL }, /* Cm */
1.1       kristaps  160:        { NULL, NULL }, /* Dv */
                    161:        { NULL, NULL }, /* Er */
                    162:        { NULL, NULL }, /* Ev */
                    163:        { termp_ex_pre, NULL }, /* Ex */
                    164:        { termp_fa_pre, NULL }, /* Fa */
1.143     kristaps  165:        { termp_fd_pre, NULL }, /* Fd */
1.1       kristaps  166:        { termp_fl_pre, NULL }, /* Fl */
1.143     kristaps  167:        { termp_fn_pre, NULL }, /* Fn */
1.141     kristaps  168:        { termp_ft_pre, NULL }, /* Ft */
1.69      kristaps  169:        { termp_bold_pre, NULL }, /* Ic */
1.1       kristaps  170:        { termp_in_pre, termp_in_post }, /* In */
1.102     kristaps  171:        { termp_li_pre, NULL }, /* Li */
1.1       kristaps  172:        { termp_nd_pre, NULL }, /* Nd */
                    173:        { termp_nm_pre, NULL }, /* Nm */
                    174:        { termp_op_pre, termp_op_post }, /* Op */
                    175:        { NULL, NULL }, /* Ot */
1.69      kristaps  176:        { termp_under_pre, NULL }, /* Pa */
1.1       kristaps  177:        { termp_rv_pre, NULL }, /* Rv */
1.36      kristaps  178:        { NULL, NULL }, /* St */
1.69      kristaps  179:        { termp_under_pre, NULL }, /* Va */
1.143     kristaps  180:        { termp_vt_pre, NULL }, /* Vt */
1.1       kristaps  181:        { termp_xr_pre, NULL }, /* Xr */
                    182:        { NULL, termp____post }, /* %A */
1.84      kristaps  183:        { termp_under_pre, termp____post }, /* %B */
1.1       kristaps  184:        { NULL, termp____post }, /* %D */
1.84      kristaps  185:        { termp_under_pre, termp____post }, /* %I */
1.69      kristaps  186:        { termp_under_pre, termp____post }, /* %J */
1.1       kristaps  187:        { NULL, termp____post }, /* %N */
                    188:        { NULL, termp____post }, /* %O */
                    189:        { NULL, termp____post }, /* %P */
                    190:        { NULL, termp____post }, /* %R */
1.117     kristaps  191:        { termp_under_pre, termp____post }, /* %T */
1.1       kristaps  192:        { NULL, termp____post }, /* %V */
                    193:        { NULL, NULL }, /* Ac */
                    194:        { termp_aq_pre, termp_aq_post }, /* Ao */
                    195:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.35      kristaps  196:        { NULL, NULL }, /* At */
1.1       kristaps  197:        { NULL, NULL }, /* Bc */
                    198:        { termp_bf_pre, NULL }, /* Bf */
                    199:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    200:        { termp_bq_pre, termp_bq_post }, /* Bq */
1.26      kristaps  201:        { termp_xx_pre, NULL }, /* Bsx */
1.1       kristaps  202:        { NULL, termp_bx_post }, /* Bx */
                    203:        { NULL, NULL }, /* Db */
                    204:        { NULL, NULL }, /* Dc */
                    205:        { termp_dq_pre, termp_dq_post }, /* Do */
                    206:        { termp_dq_pre, termp_dq_post }, /* Dq */
1.112     kristaps  207:        { NULL, NULL }, /* Ec */ /* FIXME: no space */
1.1       kristaps  208:        { NULL, NULL }, /* Ef */
1.69      kristaps  209:        { termp_under_pre, NULL }, /* Em */
1.1       kristaps  210:        { NULL, NULL }, /* Eo */
1.26      kristaps  211:        { termp_xx_pre, NULL }, /* Fx */
1.80      kristaps  212:        { termp_bold_pre, NULL }, /* Ms */ /* FIXME: convert to symbol? */
1.1       kristaps  213:        { NULL, NULL }, /* No */
                    214:        { termp_ns_pre, NULL }, /* Ns */
1.26      kristaps  215:        { termp_xx_pre, NULL }, /* Nx */
                    216:        { termp_xx_pre, NULL }, /* Ox */
1.1       kristaps  217:        { NULL, NULL }, /* Pc */
                    218:        { termp_pf_pre, termp_pf_post }, /* Pf */
                    219:        { termp_pq_pre, termp_pq_post }, /* Po */
                    220:        { termp_pq_pre, termp_pq_post }, /* Pq */
                    221:        { NULL, NULL }, /* Qc */
                    222:        { termp_sq_pre, termp_sq_post }, /* Ql */
                    223:        { termp_qq_pre, termp_qq_post }, /* Qo */
                    224:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    225:        { NULL, NULL }, /* Re */
                    226:        { termp_rs_pre, NULL }, /* Rs */
                    227:        { NULL, NULL }, /* Sc */
                    228:        { termp_sq_pre, termp_sq_post }, /* So */
                    229:        { termp_sq_pre, termp_sq_post }, /* Sq */
                    230:        { termp_sm_pre, NULL }, /* Sm */
1.69      kristaps  231:        { termp_under_pre, NULL }, /* Sx */
                    232:        { termp_bold_pre, NULL }, /* Sy */
1.1       kristaps  233:        { NULL, NULL }, /* Tn */
1.26      kristaps  234:        { termp_xx_pre, NULL }, /* Ux */
1.1       kristaps  235:        { NULL, NULL }, /* Xc */
                    236:        { NULL, NULL }, /* Xo */
                    237:        { termp_fo_pre, termp_fo_post }, /* Fo */
                    238:        { NULL, NULL }, /* Fc */
                    239:        { termp_op_pre, termp_op_post }, /* Oo */
                    240:        { NULL, NULL }, /* Oc */
1.159   ! schwarze  241:        { termp_bk_pre, termp_bk_post }, /* Bk */
1.1       kristaps  242:        { NULL, NULL }, /* Ek */
                    243:        { termp_bt_pre, NULL }, /* Bt */
                    244:        { NULL, NULL }, /* Hf */
                    245:        { NULL, NULL }, /* Fr */
                    246:        { termp_ud_pre, NULL }, /* Ud */
1.37      kristaps  247:        { NULL, termp_lb_post }, /* Lb */
1.76      kristaps  248:        { termp_sp_pre, NULL }, /* Lp */
1.1       kristaps  249:        { termp_lk_pre, NULL }, /* Lk */
1.69      kristaps  250:        { termp_under_pre, NULL }, /* Mt */
1.1       kristaps  251:        { termp_brq_pre, termp_brq_post }, /* Brq */
                    252:        { termp_brq_pre, termp_brq_post }, /* Bro */
                    253:        { NULL, NULL }, /* Brc */
1.83      kristaps  254:        { NULL, termp____post }, /* %C */
1.81      kristaps  255:        { NULL, NULL }, /* Es */ /* TODO */
                    256:        { NULL, NULL }, /* En */ /* TODO */
1.26      kristaps  257:        { termp_xx_pre, NULL }, /* Dx */
1.83      kristaps  258:        { NULL, termp____post }, /* %Q */
1.76      kristaps  259:        { termp_sp_pre, NULL }, /* br */
1.45      kristaps  260:        { termp_sp_pre, NULL }, /* sp */
1.96      kristaps  261:        { termp_under_pre, termp____post }, /* %U */
1.135     kristaps  262:        { NULL, NULL }, /* Ta */
1.1       kristaps  263: };
                    264:
                    265:
1.70      kristaps  266: void
1.89      kristaps  267: terminal_mdoc(void *arg, const struct mdoc *mdoc)
1.1       kristaps  268: {
1.70      kristaps  269:        const struct mdoc_node  *n;
                    270:        const struct mdoc_meta  *m;
1.89      kristaps  271:        struct termp            *p;
                    272:
                    273:        p = (struct termp *)arg;
1.111     kristaps  274:
                    275:        p->overstep = 0;
1.123     joerg     276:        p->maxrmargin = p->defrmargin;
1.157     kristaps  277:        p->tabwidth = term_len(p, 5);
1.89      kristaps  278:
                    279:        if (NULL == p->symtab)
                    280:                switch (p->enc) {
                    281:                case (TERMENC_ASCII):
                    282:                        p->symtab = chars_init(CHARS_ASCII);
                    283:                        break;
                    284:                default:
                    285:                        abort();
                    286:                        /* NOTREACHED */
                    287:                }
1.70      kristaps  288:
                    289:        n = mdoc_node(mdoc);
                    290:        m = mdoc_meta(mdoc);
1.146     schwarze  291:
                    292:        term_begin(p, print_mdoc_head, print_mdoc_foot, m);
1.70      kristaps  293:
                    294:        if (n->child)
1.102     kristaps  295:                print_mdoc_nodelist(p, NULL, m, n->child);
1.144     kristaps  296:
                    297:        term_end(p);
1.1       kristaps  298: }
                    299:
                    300:
1.3       kristaps  301: static void
1.102     kristaps  302: print_mdoc_nodelist(DECL_ARGS)
1.1       kristaps  303: {
                    304:
1.102     kristaps  305:        print_mdoc_node(p, pair, m, n);
1.86      kristaps  306:        if (n->next)
1.102     kristaps  307:                print_mdoc_nodelist(p, pair, m, n->next);
1.1       kristaps  308: }
                    309:
                    310:
1.70      kristaps  311: /* ARGSUSED */
1.3       kristaps  312: static void
1.102     kristaps  313: print_mdoc_node(DECL_ARGS)
1.1       kristaps  314: {
1.102     kristaps  315:        int              chld;
                    316:        const void      *font;
1.1       kristaps  317:        struct termpair  npair;
1.30      kristaps  318:        size_t           offset, rmargin;
1.1       kristaps  319:
1.70      kristaps  320:        chld = 1;
1.29      kristaps  321:        offset = p->offset;
1.30      kristaps  322:        rmargin = p->rmargin;
1.102     kristaps  323:        font = term_fontq(p);
1.29      kristaps  324:
1.97      kristaps  325:        memset(&npair, 0, sizeof(struct termpair));
1.1       kristaps  326:        npair.ppair = pair;
1.46      kristaps  327:
1.86      kristaps  328:        if (MDOC_TEXT != n->type) {
                    329:                if (termacts[n->tok].pre)
                    330:                        chld = (*termacts[n->tok].pre)(p, &npair, m, n);
1.70      kristaps  331:        } else
1.86      kristaps  332:                term_word(p, n->string);
1.102     kristaps  333:
1.86      kristaps  334:        if (chld && n->child)
1.102     kristaps  335:                print_mdoc_nodelist(p, &npair, m, n->child);
1.1       kristaps  336:
1.102     kristaps  337:        term_fontpopq(p, font);
1.46      kristaps  338:
1.86      kristaps  339:        if (MDOC_TEXT != n->type)
                    340:                if (termacts[n->tok].post)
                    341:                        (*termacts[n->tok].post)(p, &npair, m, n);
1.121     kristaps  342:
                    343:        if (MDOC_EOS & n->flags)
                    344:                p->flags |= TERMP_SENTENCE;
1.29      kristaps  345:
                    346:        p->offset = offset;
1.30      kristaps  347:        p->rmargin = rmargin;
1.1       kristaps  348: }
                    349:
                    350:
1.3       kristaps  351: static void
1.145     kristaps  352: print_mdoc_foot(struct termp *p, const void *arg)
1.1       kristaps  353: {
1.98      kristaps  354:        char            buf[DATESIZ], os[BUFSIZ];
1.144     kristaps  355:        const struct mdoc_meta *m;
                    356:
                    357:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  358:
1.102     kristaps  359:        term_fontrepl(p, TERMFONT_NONE);
1.101     kristaps  360:
1.9       kristaps  361:        /*
                    362:         * Output the footer in new-groff style, that is, three columns
                    363:         * with the middle being the manual date and flanking columns
                    364:         * being the operating system:
                    365:         *
                    366:         * SYSTEM                  DATE                    SYSTEM
                    367:         */
                    368:
1.94      kristaps  369:        time2a(m->date, buf, DATESIZ);
1.98      kristaps  370:        strlcpy(os, m->os, BUFSIZ);
1.1       kristaps  371:
                    372:        term_vspace(p);
                    373:
1.9       kristaps  374:        p->offset = 0;
1.157     kristaps  375:        p->rmargin = (p->maxrmargin -
                    376:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  377:        p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
                    378:
                    379:        term_word(p, os);
                    380:        term_flushln(p);
                    381:
1.9       kristaps  382:        p->offset = p->rmargin;
1.157     kristaps  383:        p->rmargin = p->maxrmargin - term_strlen(p, os);
1.1       kristaps  384:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.9       kristaps  385:
                    386:        term_word(p, buf);
                    387:        term_flushln(p);
                    388:
1.1       kristaps  389:        p->offset = p->rmargin;
                    390:        p->rmargin = p->maxrmargin;
                    391:        p->flags &= ~TERMP_NOBREAK;
1.9       kristaps  392:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  393:
1.9       kristaps  394:        term_word(p, os);
1.1       kristaps  395:        term_flushln(p);
                    396:
1.9       kristaps  397:        p->offset = 0;
                    398:        p->rmargin = p->maxrmargin;
                    399:        p->flags = 0;
1.1       kristaps  400: }
                    401:
                    402:
1.3       kristaps  403: static void
1.144     kristaps  404: print_mdoc_head(struct termp *p, const void *arg)
1.1       kristaps  405: {
1.98      kristaps  406:        char            buf[BUFSIZ], title[BUFSIZ];
1.144     kristaps  407:        const struct mdoc_meta *m;
                    408:
                    409:        m = (const struct mdoc_meta *)arg;
1.1       kristaps  410:
                    411:        p->rmargin = p->maxrmargin;
                    412:        p->offset = 0;
                    413:
                    414:        /*
                    415:         * The header is strange.  It has three components, which are
                    416:         * really two with the first duplicated.  It goes like this:
                    417:         *
                    418:         * IDENTIFIER              TITLE                   IDENTIFIER
                    419:         *
                    420:         * The IDENTIFIER is NAME(SECTION), which is the command-name
                    421:         * (if given, or "unknown" if not) followed by the manual page
                    422:         * section.  These are given in `Dt'.  The TITLE is a free-form
                    423:         * string depending on the manual volume.  If not specified, it
                    424:         * switches on the manual section.
                    425:         */
                    426:
1.86      kristaps  427:        assert(m->vol);
1.98      kristaps  428:        strlcpy(buf, m->vol, BUFSIZ);
1.1       kristaps  429:
1.86      kristaps  430:        if (m->arch) {
1.98      kristaps  431:                strlcat(buf, " (", BUFSIZ);
                    432:                strlcat(buf, m->arch, BUFSIZ);
                    433:                strlcat(buf, ")", BUFSIZ);
1.1       kristaps  434:        }
                    435:
1.124     kristaps  436:        snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.1       kristaps  437:
                    438:        p->offset = 0;
1.157     kristaps  439:        p->rmargin = (p->maxrmargin -
                    440:                        term_strlen(p, buf) + term_len(p, 1)) / 2;
1.1       kristaps  441:        p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
                    442:
                    443:        term_word(p, title);
                    444:        term_flushln(p);
                    445:
                    446:        p->offset = p->rmargin;
1.157     kristaps  447:        p->rmargin = p->maxrmargin - term_strlen(p, title);
1.9       kristaps  448:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1.1       kristaps  449:
                    450:        term_word(p, buf);
                    451:        term_flushln(p);
                    452:
                    453:        p->offset = p->rmargin;
                    454:        p->rmargin = p->maxrmargin;
                    455:        p->flags &= ~TERMP_NOBREAK;
                    456:        p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
                    457:
                    458:        term_word(p, title);
                    459:        term_flushln(p);
                    460:
1.9       kristaps  461:        p->offset = 0;
1.1       kristaps  462:        p->rmargin = p->maxrmargin;
                    463:        p->flags &= ~TERMP_NOSPACE;
                    464: }
                    465:
                    466:
                    467: static size_t
1.157     kristaps  468: a2height(const struct termp *p, const char *v)
1.1       kristaps  469: {
1.92      kristaps  470:        struct roffsu    su;
1.91      kristaps  471:
1.157     kristaps  472:        assert(v);
                    473:        if ( ! a2roffsu(v, &su, SCALE_VS))
                    474:                SCALE_VS_INIT(&su, term_len(p, 1));
1.91      kristaps  475:
1.157     kristaps  476:        return(term_vspan(p, &su));
1.91      kristaps  477: }
1.1       kristaps  478:
1.40      kristaps  479:
1.91      kristaps  480: static size_t
1.157     kristaps  481: a2width(const struct termp *p, const char *v)
1.91      kristaps  482: {
1.92      kristaps  483:        struct roffsu    su;
1.1       kristaps  484:
1.154     kristaps  485:        assert(v);
                    486:        if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  487:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.1       kristaps  488:
1.157     kristaps  489:        return(term_hspan(p, &su));
1.1       kristaps  490: }
                    491:
                    492:
                    493: static size_t
1.157     kristaps  494: a2offs(const struct termp *p, const char *v)
1.1       kristaps  495: {
1.92      kristaps  496:        struct roffsu    su;
1.1       kristaps  497:
1.148     kristaps  498:        if ('\0' == *v)
1.91      kristaps  499:                return(0);
1.148     kristaps  500:        else if (0 == strcmp(v, "left"))
1.19      kristaps  501:                return(0);
1.148     kristaps  502:        else if (0 == strcmp(v, "indent"))
1.157     kristaps  503:                return(term_len(p, INDENT + 1));
1.148     kristaps  504:        else if (0 == strcmp(v, "indent-two"))
1.157     kristaps  505:                return(term_len(p, (INDENT + 1) * 2));
1.148     kristaps  506:        else if ( ! a2roffsu(v, &su, SCALE_MAX))
1.157     kristaps  507:                SCALE_HS_INIT(&su, term_strlen(p, v));
1.10      kristaps  508:
1.157     kristaps  509:        return(term_hspan(p, &su));
1.1       kristaps  510: }
                    511:
                    512:
1.108     kristaps  513: /*
                    514:  * Return 1 if an argument has a particular argument value or 0 if it
                    515:  * does not.  See arg_getattr().
                    516:  */
1.1       kristaps  517: static int
                    518: arg_hasattr(int arg, const struct mdoc_node *n)
                    519: {
                    520:
                    521:        return(-1 != arg_getattr(arg, n));
                    522: }
                    523:
                    524:
1.108     kristaps  525: /*
                    526:  * Get the index of an argument in a node's argument list or -1 if it
1.155     kristaps  527:  * does not exist.
1.108     kristaps  528:  */
1.1       kristaps  529: static int
                    530: arg_getattr(int v, const struct mdoc_node *n)
                    531: {
1.155     kristaps  532:        int              i;
1.1       kristaps  533:
                    534:        if (NULL == n->args)
                    535:                return(0);
                    536:
1.155     kristaps  537:        for (i = 0; i < (int)n->args->argc; i++)
                    538:                if (n->args->argv[i].arg == v)
                    539:                        return(i);
                    540:
                    541:        return(-1);
1.1       kristaps  542: }
                    543:
                    544:
1.108     kristaps  545: /*
                    546:  * Determine how much space to print out before block elements of `It'
                    547:  * (and thus `Bl') and `Bd'.  And then go ahead and print that space,
                    548:  * too.
                    549:  */
1.54      kristaps  550: static void
1.151     kristaps  551: print_bvspace(struct termp *p,
                    552:                const struct mdoc_node *bl,
                    553:                const struct mdoc_node *n)
1.1       kristaps  554: {
1.86      kristaps  555:        const struct mdoc_node  *nn;
1.1       kristaps  556:
                    557:        term_newln(p);
1.150     kristaps  558:
1.151     kristaps  559:        if (MDOC_Bd == bl->tok && bl->data.Bd.comp)
1.150     kristaps  560:                return;
1.151     kristaps  561:        if (MDOC_Bl == bl->tok && bl->data.Bl.comp)
1.54      kristaps  562:                return;
                    563:
1.85      kristaps  564:        /* Do not vspace directly after Ss/Sh. */
1.1       kristaps  565:
1.86      kristaps  566:        for (nn = n; nn; nn = nn->parent) {
                    567:                if (MDOC_BLOCK != nn->type)
1.1       kristaps  568:                        continue;
1.86      kristaps  569:                if (MDOC_Ss == nn->tok)
1.54      kristaps  570:                        return;
1.86      kristaps  571:                if (MDOC_Sh == nn->tok)
1.54      kristaps  572:                        return;
1.86      kristaps  573:                if (NULL == nn->prev)
1.1       kristaps  574:                        continue;
                    575:                break;
                    576:        }
                    577:
1.85      kristaps  578:        /* A `-column' does not assert vspace within the list. */
1.54      kristaps  579:
1.151     kristaps  580:        if (MDOC_Bl == bl->tok && LIST_column == bl->data.Bl.type)
1.86      kristaps  581:                if (n->prev && MDOC_It == n->prev->tok)
1.54      kristaps  582:                        return;
                    583:
1.85      kristaps  584:        /* A `-diag' without body does not vspace. */
                    585:
1.151     kristaps  586:        if (MDOC_Bl == bl->tok && LIST_diag == bl->data.Bl.type)
1.86      kristaps  587:                if (n->prev && MDOC_It == n->prev->tok) {
                    588:                        assert(n->prev->body);
                    589:                        if (NULL == n->prev->body->child)
1.55      kristaps  590:                                return;
                    591:                }
                    592:
1.54      kristaps  593:        term_vspace(p);
1.1       kristaps  594: }
                    595:
                    596:
                    597: /* ARGSUSED */
                    598: static int
                    599: termp_dq_pre(DECL_ARGS)
                    600: {
                    601:
1.86      kristaps  602:        if (MDOC_BODY != n->type)
1.1       kristaps  603:                return(1);
                    604:
                    605:        term_word(p, "\\(lq");
                    606:        p->flags |= TERMP_NOSPACE;
                    607:        return(1);
                    608: }
                    609:
                    610:
                    611: /* ARGSUSED */
                    612: static void
                    613: termp_dq_post(DECL_ARGS)
                    614: {
                    615:
1.86      kristaps  616:        if (MDOC_BODY != n->type)
1.1       kristaps  617:                return;
                    618:
                    619:        p->flags |= TERMP_NOSPACE;
                    620:        term_word(p, "\\(rq");
                    621: }
                    622:
                    623:
                    624: /* ARGSUSED */
                    625: static int
                    626: termp_it_pre(DECL_ARGS)
                    627: {
1.86      kristaps  628:        const struct mdoc_node *bl, *nn;
1.1       kristaps  629:        char                    buf[7];
1.155     kristaps  630:        int                     i, col;
1.108     kristaps  631:        size_t                  width, offset, ncols, dcol;
1.126     kristaps  632:        enum mdoc_list          type;
1.1       kristaps  633:
1.86      kristaps  634:        if (MDOC_BLOCK == n->type) {
1.151     kristaps  635:                print_bvspace(p, n->parent->parent, n);
1.54      kristaps  636:                return(1);
                    637:        }
1.1       kristaps  638:
1.86      kristaps  639:        bl = n->parent->parent->parent;
1.149     kristaps  640:        type = bl->data.Bl.type;
1.1       kristaps  641:
1.108     kristaps  642:        /*
                    643:         * First calculate width and offset.  This is pretty easy unless
                    644:         * we're a -column list, in which case all prior columns must
                    645:         * be accounted for.
                    646:         */
                    647:
                    648:        width = offset = 0;
                    649:
1.152     kristaps  650:        if (bl->data.Bl.offs)
1.157     kristaps  651:                offset = a2offs(p, bl->data.Bl.offs);
1.152     kristaps  652:
1.1       kristaps  653:        switch (type) {
1.126     kristaps  654:        case (LIST_column):
1.134     kristaps  655:                if (MDOC_HEAD == n->type)
1.1       kristaps  656:                        break;
1.155     kristaps  657:
                    658:                col = arg_getattr(MDOC_Column, bl);
                    659:
1.105     kristaps  660:                /*
1.108     kristaps  661:                 * Imitate groff's column handling:
                    662:                 * - For each earlier column, add its width.
                    663:                 * - For less than 5 columns, add four more blanks per
                    664:                 *   column.
                    665:                 * - For exactly 5 columns, add three more blank per
                    666:                 *   column.
                    667:                 * - For more than 5 columns, add only one column.
1.105     kristaps  668:                 */
1.155     kristaps  669:                ncols = bl->args->argv[col].sz;
1.108     kristaps  670:                /* LINTED */
1.157     kristaps  671:                dcol = ncols < 5 ? term_len(p, 4) :
                    672:                        ncols == 5 ? term_len(p, 3) : term_len(p, 1);
1.108     kristaps  673:
1.134     kristaps  674:                /*
                    675:                 * Calculate the offset by applying all prior MDOC_BODY,
                    676:                 * so we stop at the MDOC_HEAD (NULL == nn->prev).
                    677:                 */
                    678:
1.108     kristaps  679:                for (i = 0, nn = n->prev;
1.134     kristaps  680:                                nn->prev && i < (int)ncols;
1.108     kristaps  681:                                nn = nn->prev, i++)
                    682:                        offset += dcol + a2width
1.157     kristaps  683:                                (p, bl->args->argv[col].value[i]);
1.105     kristaps  684:
                    685:                /*
1.108     kristaps  686:                 * When exceeding the declared number of columns, leave
                    687:                 * the remaining widths at 0.  This will later be
                    688:                 * adjusted to the default width of 10, or, for the last
                    689:                 * column, stretched to the right margin.
1.58      kristaps  690:                 */
1.108     kristaps  691:                if (i >= (int)ncols)
                    692:                        break;
1.58      kristaps  693:
1.105     kristaps  694:                /*
1.108     kristaps  695:                 * Use the declared column widths, extended as explained
                    696:                 * in the preceding paragraph.
1.105     kristaps  697:                 */
1.157     kristaps  698:                width = a2width(p, bl->args->argv[col].value[i]) + dcol;
1.1       kristaps  699:                break;
                    700:        default:
1.154     kristaps  701:                if (NULL == bl->data.Bl.width)
1.108     kristaps  702:                        break;
                    703:
                    704:                /*
                    705:                 * Note: buffer the width by 2, which is groff's magic
                    706:                 * number for buffering single arguments.  See the above
                    707:                 * handling for column for how this changes.
                    708:                 */
1.153     kristaps  709:                assert(bl->data.Bl.width);
1.157     kristaps  710:                width = a2width(p, bl->data.Bl.width) + term_len(p, 2);
1.1       kristaps  711:                break;
                    712:        }
                    713:
                    714:        /*
                    715:         * List-type can override the width in the case of fixed-head
                    716:         * values (bullet, dash/hyphen, enum).  Tags need a non-zero
1.67      kristaps  717:         * offset.
1.1       kristaps  718:         */
                    719:
                    720:        switch (type) {
1.126     kristaps  721:        case (LIST_bullet):
1.1       kristaps  722:                /* FALLTHROUGH */
1.126     kristaps  723:        case (LIST_dash):
1.1       kristaps  724:                /* FALLTHROUGH */
1.126     kristaps  725:        case (LIST_hyphen):
1.157     kristaps  726:                if (width < term_len(p, 4))
                    727:                        width = term_len(p, 4);
1.1       kristaps  728:                break;
1.126     kristaps  729:        case (LIST_enum):
1.157     kristaps  730:                if (width < term_len(p, 5))
                    731:                        width = term_len(p, 5);
1.17      kristaps  732:                break;
1.126     kristaps  733:        case (LIST_hang):
1.39      kristaps  734:                if (0 == width)
1.157     kristaps  735:                        width = term_len(p, 8);
1.39      kristaps  736:                break;
1.126     kristaps  737:        case (LIST_column):
1.49      kristaps  738:                /* FALLTHROUGH */
1.126     kristaps  739:        case (LIST_tag):
1.1       kristaps  740:                if (0 == width)
1.157     kristaps  741:                        width = term_len(p, 10);
1.1       kristaps  742:                break;
                    743:        default:
                    744:                break;
                    745:        }
                    746:
                    747:        /*
1.17      kristaps  748:         * Whitespace control.  Inset bodies need an initial space,
                    749:         * while diagonal bodies need two.
1.1       kristaps  750:         */
                    751:
1.51      kristaps  752:        p->flags |= TERMP_NOSPACE;
                    753:
1.1       kristaps  754:        switch (type) {
1.126     kristaps  755:        case (LIST_diag):
1.86      kristaps  756:                if (MDOC_BODY == n->type)
1.62      kristaps  757:                        term_word(p, "\\ \\ ");
1.51      kristaps  758:                break;
1.126     kristaps  759:        case (LIST_inset):
1.86      kristaps  760:                if (MDOC_BODY == n->type)
1.51      kristaps  761:                        term_word(p, "\\ ");
1.1       kristaps  762:                break;
                    763:        default:
                    764:                break;
                    765:        }
                    766:
1.51      kristaps  767:        p->flags |= TERMP_NOSPACE;
                    768:
1.1       kristaps  769:        switch (type) {
1.126     kristaps  770:        case (LIST_diag):
1.86      kristaps  771:                if (MDOC_HEAD == n->type)
1.102     kristaps  772:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  773:                break;
                    774:        default:
                    775:                break;
                    776:        }
                    777:
                    778:        /*
1.109     kristaps  779:         * Pad and break control.  This is the tricky part.  These flags
                    780:         * are documented in term_flushln() in term.c.  Note that we're
                    781:         * going to unset all of these flags in termp_it_post() when we
                    782:         * exit.
1.1       kristaps  783:         */
                    784:
                    785:        switch (type) {
1.126     kristaps  786:        case (LIST_bullet):
1.1       kristaps  787:                /* FALLTHROUGH */
1.126     kristaps  788:        case (LIST_dash):
1.1       kristaps  789:                /* FALLTHROUGH */
1.126     kristaps  790:        case (LIST_enum):
1.1       kristaps  791:                /* FALLTHROUGH */
1.126     kristaps  792:        case (LIST_hyphen):
1.86      kristaps  793:                if (MDOC_HEAD == n->type)
1.39      kristaps  794:                        p->flags |= TERMP_NOBREAK;
                    795:                else
                    796:                        p->flags |= TERMP_NOLPAD;
                    797:                break;
1.126     kristaps  798:        case (LIST_hang):
1.86      kristaps  799:                if (MDOC_HEAD == n->type)
1.39      kristaps  800:                        p->flags |= TERMP_NOBREAK;
                    801:                else
                    802:                        p->flags |= TERMP_NOLPAD;
                    803:
1.86      kristaps  804:                if (MDOC_HEAD != n->type)
1.59      kristaps  805:                        break;
                    806:
                    807:                /*
                    808:                 * This is ugly.  If `-hang' is specified and the body
                    809:                 * is a `Bl' or `Bd', then we want basically to nullify
                    810:                 * the "overstep" effect in term_flushln() and treat
                    811:                 * this as a `-ohang' list instead.
                    812:                 */
1.86      kristaps  813:                if (n->next->child &&
                    814:                                (MDOC_Bl == n->next->child->tok ||
                    815:                                 MDOC_Bd == n->next->child->tok)) {
1.59      kristaps  816:                        p->flags &= ~TERMP_NOBREAK;
                    817:                        p->flags &= ~TERMP_NOLPAD;
                    818:                } else
1.39      kristaps  819:                        p->flags |= TERMP_HANG;
                    820:                break;
1.126     kristaps  821:        case (LIST_tag):
1.86      kristaps  822:                if (MDOC_HEAD == n->type)
1.51      kristaps  823:                        p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE;
1.1       kristaps  824:                else
                    825:                        p->flags |= TERMP_NOLPAD;
1.38      kristaps  826:
1.86      kristaps  827:                if (MDOC_HEAD != n->type)
1.39      kristaps  828:                        break;
1.86      kristaps  829:                if (NULL == n->next || NULL == n->next->child)
1.39      kristaps  830:                        p->flags |= TERMP_DANGLE;
1.1       kristaps  831:                break;
1.126     kristaps  832:        case (LIST_column):
1.134     kristaps  833:                if (MDOC_HEAD == n->type)
                    834:                        break;
                    835:
                    836:                if (NULL == n->next)
                    837:                        p->flags &= ~TERMP_NOBREAK;
                    838:                else
                    839:                        p->flags |= TERMP_NOBREAK;
                    840:
                    841:                assert(n->prev);
                    842:                if (MDOC_BODY == n->prev->type)
                    843:                        p->flags |= TERMP_NOLPAD;
                    844:
1.1       kristaps  845:                break;
1.126     kristaps  846:        case (LIST_diag):
1.86      kristaps  847:                if (MDOC_HEAD == n->type)
1.1       kristaps  848:                        p->flags |= TERMP_NOBREAK;
                    849:                break;
                    850:        default:
                    851:                break;
                    852:        }
                    853:
                    854:        /*
                    855:         * Margin control.  Set-head-width lists have their right
                    856:         * margins shortened.  The body for these lists has the offset
                    857:         * necessarily lengthened.  Everybody gets the offset.
                    858:         */
                    859:
                    860:        p->offset += offset;
                    861:
                    862:        switch (type) {
1.126     kristaps  863:        case (LIST_hang):
1.59      kristaps  864:                /*
                    865:                 * Same stipulation as above, regarding `-hang'.  We
                    866:                 * don't want to recalculate rmargin and offsets when
                    867:                 * using `Bd' or `Bl' within `-hang' overstep lists.
                    868:                 */
1.86      kristaps  869:                if (MDOC_HEAD == n->type && n->next->child &&
                    870:                                (MDOC_Bl == n->next->child->tok ||
                    871:                                 MDOC_Bd == n->next->child->tok))
1.59      kristaps  872:                        break;
                    873:                /* FALLTHROUGH */
1.126     kristaps  874:        case (LIST_bullet):
1.1       kristaps  875:                /* FALLTHROUGH */
1.126     kristaps  876:        case (LIST_dash):
1.1       kristaps  877:                /* FALLTHROUGH */
1.126     kristaps  878:        case (LIST_enum):
1.1       kristaps  879:                /* FALLTHROUGH */
1.126     kristaps  880:        case (LIST_hyphen):
1.1       kristaps  881:                /* FALLTHROUGH */
1.126     kristaps  882:        case (LIST_tag):
1.49      kristaps  883:                assert(width);
1.86      kristaps  884:                if (MDOC_HEAD == n->type)
1.1       kristaps  885:                        p->rmargin = p->offset + width;
                    886:                else
                    887:                        p->offset += width;
                    888:                break;
1.126     kristaps  889:        case (LIST_column):
1.49      kristaps  890:                assert(width);
1.1       kristaps  891:                p->rmargin = p->offset + width;
1.50      kristaps  892:                /*
                    893:                 * XXX - this behaviour is not documented: the
                    894:                 * right-most column is filled to the right margin.
                    895:                 */
1.134     kristaps  896:                if (MDOC_HEAD == n->type)
                    897:                        break;
                    898:                if (NULL == n->next && p->rmargin < p->maxrmargin)
1.50      kristaps  899:                        p->rmargin = p->maxrmargin;
1.1       kristaps  900:                break;
                    901:        default:
                    902:                break;
                    903:        }
                    904:
                    905:        /*
                    906:         * The dash, hyphen, bullet and enum lists all have a special
1.15      kristaps  907:         * HEAD character (temporarily bold, in some cases).
1.1       kristaps  908:         */
                    909:
1.86      kristaps  910:        if (MDOC_HEAD == n->type)
1.1       kristaps  911:                switch (type) {
1.126     kristaps  912:                case (LIST_bullet):
1.102     kristaps  913:                        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps  914:                        term_word(p, "\\[bu]");
1.102     kristaps  915:                        term_fontpop(p);
1.1       kristaps  916:                        break;
1.126     kristaps  917:                case (LIST_dash):
1.1       kristaps  918:                        /* FALLTHROUGH */
1.126     kristaps  919:                case (LIST_hyphen):
1.102     kristaps  920:                        term_fontpush(p, TERMFONT_BOLD);
1.27      kristaps  921:                        term_word(p, "\\(hy");
1.102     kristaps  922:                        term_fontpop(p);
1.1       kristaps  923:                        break;
1.126     kristaps  924:                case (LIST_enum):
1.1       kristaps  925:                        (pair->ppair->ppair->count)++;
1.109     kristaps  926:                        snprintf(buf, sizeof(buf), "%d.",
1.1       kristaps  927:                                        pair->ppair->ppair->count);
                    928:                        term_word(p, buf);
                    929:                        break;
                    930:                default:
                    931:                        break;
                    932:                }
                    933:
                    934:        /*
                    935:         * If we're not going to process our children, indicate so here.
                    936:         */
                    937:
                    938:        switch (type) {
1.126     kristaps  939:        case (LIST_bullet):
1.1       kristaps  940:                /* FALLTHROUGH */
1.126     kristaps  941:        case (LIST_item):
1.1       kristaps  942:                /* FALLTHROUGH */
1.126     kristaps  943:        case (LIST_dash):
1.1       kristaps  944:                /* FALLTHROUGH */
1.126     kristaps  945:        case (LIST_hyphen):
1.1       kristaps  946:                /* FALLTHROUGH */
1.126     kristaps  947:        case (LIST_enum):
1.86      kristaps  948:                if (MDOC_HEAD == n->type)
1.1       kristaps  949:                        return(0);
                    950:                break;
1.126     kristaps  951:        case (LIST_column):
1.134     kristaps  952:                if (MDOC_HEAD == n->type)
1.1       kristaps  953:                        return(0);
                    954:                break;
                    955:        default:
                    956:                break;
                    957:        }
                    958:
                    959:        return(1);
                    960: }
                    961:
                    962:
                    963: /* ARGSUSED */
                    964: static void
                    965: termp_it_post(DECL_ARGS)
                    966: {
1.126     kristaps  967:        enum mdoc_list     type;
1.1       kristaps  968:
1.109     kristaps  969:        if (MDOC_BLOCK == n->type)
1.1       kristaps  970:                return;
                    971:
1.149     kristaps  972:        type = n->parent->parent->parent->data.Bl.type;
1.1       kristaps  973:
                    974:        switch (type) {
1.126     kristaps  975:        case (LIST_item):
1.1       kristaps  976:                /* FALLTHROUGH */
1.126     kristaps  977:        case (LIST_diag):
1.53      kristaps  978:                /* FALLTHROUGH */
1.126     kristaps  979:        case (LIST_inset):
1.86      kristaps  980:                if (MDOC_BODY == n->type)
1.130     schwarze  981:                        term_newln(p);
1.1       kristaps  982:                break;
1.126     kristaps  983:        case (LIST_column):
1.134     kristaps  984:                if (MDOC_BODY == n->type)
1.1       kristaps  985:                        term_flushln(p);
                    986:                break;
                    987:        default:
1.130     schwarze  988:                term_newln(p);
1.1       kristaps  989:                break;
                    990:        }
                    991:
1.109     kristaps  992:        /*
                    993:         * Now that our output is flushed, we can reset our tags.  Since
                    994:         * only `It' sets these flags, we're free to assume that nobody
                    995:         * has munged them in the meanwhile.
                    996:         */
                    997:
                    998:        p->flags &= ~TERMP_DANGLE;
                    999:        p->flags &= ~TERMP_NOBREAK;
                   1000:        p->flags &= ~TERMP_TWOSPACE;
                   1001:        p->flags &= ~TERMP_NOLPAD;
                   1002:        p->flags &= ~TERMP_HANG;
1.1       kristaps 1003: }
                   1004:
                   1005:
                   1006: /* ARGSUSED */
                   1007: static int
                   1008: termp_nm_pre(DECL_ARGS)
                   1009: {
                   1010:
1.125     kristaps 1011:        if (NULL == n->child && NULL == m->name)
1.127     joerg    1012:                return(1);
1.125     kristaps 1013:
1.143     kristaps 1014:        synopsis_pre(p, n);
1.102     kristaps 1015:
                   1016:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1017:        if (NULL == n->child)
                   1018:                term_word(p, m->name);
1.1       kristaps 1019:        return(1);
                   1020: }
                   1021:
                   1022:
                   1023: /* ARGSUSED */
                   1024: static int
                   1025: termp_fl_pre(DECL_ARGS)
                   1026: {
                   1027:
1.102     kristaps 1028:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1029:        term_word(p, "\\-");
1.103     kristaps 1030:
                   1031:        if (n->child)
1.114     kristaps 1032:                p->flags |= TERMP_NOSPACE;
                   1033:        else if (n->next && n->next->line == n->line)
1.103     kristaps 1034:                p->flags |= TERMP_NOSPACE;
                   1035:
1.1       kristaps 1036:        return(1);
                   1037: }
                   1038:
                   1039:
                   1040: /* ARGSUSED */
                   1041: static int
1.61      kristaps 1042: termp_an_pre(DECL_ARGS)
                   1043: {
                   1044:
1.86      kristaps 1045:        if (NULL == n->child)
1.61      kristaps 1046:                return(1);
                   1047:
                   1048:        /*
1.85      kristaps 1049:         * If not in the AUTHORS section, `An -split' will cause
                   1050:         * newlines to occur before the author name.  If in the AUTHORS
                   1051:         * section, by default, the first `An' invocation is nosplit,
                   1052:         * then all subsequent ones, regardless of whether interspersed
                   1053:         * with other macros/text, are split.  -split, in this case,
                   1054:         * will override the condition of the implied first -nosplit.
1.61      kristaps 1055:         */
                   1056:
1.86      kristaps 1057:        if (n->sec == SEC_AUTHORS) {
1.61      kristaps 1058:                if ( ! (TERMP_ANPREC & p->flags)) {
                   1059:                        if (TERMP_SPLIT & p->flags)
                   1060:                                term_newln(p);
                   1061:                        return(1);
                   1062:                }
                   1063:                if (TERMP_NOSPLIT & p->flags)
                   1064:                        return(1);
                   1065:                term_newln(p);
                   1066:                return(1);
                   1067:        }
                   1068:
                   1069:        if (TERMP_SPLIT & p->flags)
                   1070:                term_newln(p);
                   1071:
                   1072:        return(1);
                   1073: }
                   1074:
                   1075:
                   1076: /* ARGSUSED */
                   1077: static void
                   1078: termp_an_post(DECL_ARGS)
                   1079: {
                   1080:
1.86      kristaps 1081:        if (n->child) {
                   1082:                if (SEC_AUTHORS == n->sec)
1.61      kristaps 1083:                        p->flags |= TERMP_ANPREC;
                   1084:                return;
                   1085:        }
                   1086:
1.118     kristaps 1087:        if (arg_hasattr(MDOC_Split, n)) {
1.61      kristaps 1088:                p->flags &= ~TERMP_NOSPLIT;
                   1089:                p->flags |= TERMP_SPLIT;
                   1090:        } else {
                   1091:                p->flags &= ~TERMP_SPLIT;
                   1092:                p->flags |= TERMP_NOSPLIT;
                   1093:        }
                   1094:
                   1095: }
                   1096:
                   1097:
                   1098: /* ARGSUSED */
                   1099: static int
1.1       kristaps 1100: termp_ns_pre(DECL_ARGS)
                   1101: {
                   1102:
                   1103:        p->flags |= TERMP_NOSPACE;
                   1104:        return(1);
                   1105: }
                   1106:
                   1107:
                   1108: /* ARGSUSED */
                   1109: static int
                   1110: termp_rs_pre(DECL_ARGS)
                   1111: {
                   1112:
1.86      kristaps 1113:        if (SEC_SEE_ALSO != n->sec)
1.80      kristaps 1114:                return(1);
1.86      kristaps 1115:        if (MDOC_BLOCK == n->type && n->prev)
1.1       kristaps 1116:                term_vspace(p);
                   1117:        return(1);
                   1118: }
                   1119:
                   1120:
                   1121: /* ARGSUSED */
                   1122: static int
                   1123: termp_rv_pre(DECL_ARGS)
                   1124: {
1.68      kristaps 1125:        const struct mdoc_node  *nn;
1.1       kristaps 1126:
                   1127:        term_newln(p);
                   1128:        term_word(p, "The");
                   1129:
1.86      kristaps 1130:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1131:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1132:                term_word(p, nn->string);
1.102     kristaps 1133:                term_fontpop(p);
1.68      kristaps 1134:                p->flags |= TERMP_NOSPACE;
                   1135:                if (nn->next && NULL == nn->next->next)
                   1136:                        term_word(p, "(), and");
                   1137:                else if (nn->next)
                   1138:                        term_word(p, "(),");
                   1139:                else
                   1140:                        term_word(p, "()");
                   1141:        }
                   1142:
1.125     kristaps 1143:        if (n->child && n->child->next)
1.68      kristaps 1144:                term_word(p, "functions return");
                   1145:        else
                   1146:                term_word(p, "function returns");
1.1       kristaps 1147:
1.68      kristaps 1148:                term_word(p, "the value 0 if successful; otherwise the value "
                   1149:                        "-1 is returned and the global variable");
1.1       kristaps 1150:
1.102     kristaps 1151:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1152:        term_word(p, "errno");
1.102     kristaps 1153:        term_fontpop(p);
1.1       kristaps 1154:
                   1155:                term_word(p, "is set to indicate the error.");
1.131     kristaps 1156:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1157:
1.68      kristaps 1158:        return(0);
1.1       kristaps 1159: }
                   1160:
                   1161:
                   1162: /* ARGSUSED */
                   1163: static int
                   1164: termp_ex_pre(DECL_ARGS)
                   1165: {
1.68      kristaps 1166:        const struct mdoc_node  *nn;
1.1       kristaps 1167:
1.68      kristaps 1168:        term_word(p, "The");
1.1       kristaps 1169:
1.86      kristaps 1170:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1171:                term_fontpush(p, TERMFONT_BOLD);
1.68      kristaps 1172:                term_word(p, nn->string);
1.102     kristaps 1173:                term_fontpop(p);
1.68      kristaps 1174:                p->flags |= TERMP_NOSPACE;
                   1175:                if (nn->next && NULL == nn->next->next)
                   1176:                        term_word(p, ", and");
                   1177:                else if (nn->next)
                   1178:                        term_word(p, ",");
                   1179:                else
                   1180:                        p->flags &= ~TERMP_NOSPACE;
                   1181:        }
                   1182:
1.125     kristaps 1183:        if (n->child && n->child->next)
1.68      kristaps 1184:                term_word(p, "utilities exit");
                   1185:        else
                   1186:                term_word(p, "utility exits");
                   1187:
                   1188:                term_word(p, "0 on success, and >0 if an error occurs.");
1.131     kristaps 1189:        p->flags |= TERMP_SENTENCE;
1.1       kristaps 1190:
1.68      kristaps 1191:        return(0);
1.1       kristaps 1192: }
                   1193:
                   1194:
                   1195: /* ARGSUSED */
                   1196: static int
                   1197: termp_nd_pre(DECL_ARGS)
                   1198: {
1.25      kristaps 1199:
1.86      kristaps 1200:        if (MDOC_BODY != n->type)
1.25      kristaps 1201:                return(1);
1.30      kristaps 1202:
1.27      kristaps 1203: #if defined(__OpenBSD__) || defined(__linux__)
1.41      kristaps 1204:        term_word(p, "\\(en");
1.23      kristaps 1205: #else
                   1206:        term_word(p, "\\(em");
                   1207: #endif
1.1       kristaps 1208:        return(1);
1.115     kristaps 1209: }
                   1210:
                   1211:
                   1212: /* ARGSUSED */
                   1213: static int
                   1214: termp_bl_pre(DECL_ARGS)
                   1215: {
                   1216:
                   1217:        return(MDOC_HEAD != n->type);
1.1       kristaps 1218: }
                   1219:
                   1220:
                   1221: /* ARGSUSED */
                   1222: static void
                   1223: termp_bl_post(DECL_ARGS)
                   1224: {
                   1225:
1.86      kristaps 1226:        if (MDOC_BLOCK == n->type)
1.1       kristaps 1227:                term_newln(p);
                   1228: }
                   1229:
                   1230:
                   1231: /* ARGSUSED */
                   1232: static void
                   1233: termp_op_post(DECL_ARGS)
                   1234: {
                   1235:
1.86      kristaps 1236:        if (MDOC_BODY != n->type)
1.1       kristaps 1237:                return;
                   1238:        p->flags |= TERMP_NOSPACE;
                   1239:        term_word(p, "\\(rB");
                   1240: }
                   1241:
                   1242:
                   1243: /* ARGSUSED */
                   1244: static int
                   1245: termp_xr_pre(DECL_ARGS)
                   1246: {
1.86      kristaps 1247:        const struct mdoc_node *nn;
1.1       kristaps 1248:
1.113     kristaps 1249:        if (NULL == n->child)
                   1250:                return(0);
                   1251:
                   1252:        assert(MDOC_TEXT == n->child->type);
1.86      kristaps 1253:        nn = n->child;
1.11      kristaps 1254:
1.86      kristaps 1255:        term_word(p, nn->string);
                   1256:        if (NULL == (nn = nn->next))
1.1       kristaps 1257:                return(0);
                   1258:        p->flags |= TERMP_NOSPACE;
                   1259:        term_word(p, "(");
                   1260:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 1261:        term_word(p, nn->string);
1.1       kristaps 1262:        p->flags |= TERMP_NOSPACE;
                   1263:        term_word(p, ")");
1.86      kristaps 1264:
1.1       kristaps 1265:        return(0);
                   1266: }
                   1267:
                   1268:
1.143     kristaps 1269: /*
                   1270:  * This decides how to assert whitespace before any of the SYNOPSIS set
                   1271:  * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain
                   1272:  * macro combos).
                   1273:  */
                   1274: static void
                   1275: synopsis_pre(struct termp *p, const struct mdoc_node *n)
                   1276: {
                   1277:        /*
                   1278:         * Obviously, if we're not in a SYNOPSIS or no prior macros
                   1279:         * exist, do nothing.
                   1280:         */
                   1281:        if (NULL == n->prev || SEC_SYNOPSIS != n->sec)
                   1282:                return;
                   1283:
                   1284:        /*
                   1285:         * If we're the second in a pair of like elements, emit our
                   1286:         * newline and return.  UNLESS we're `Fo', `Fn', `Fn', in which
                   1287:         * case we soldier on.
                   1288:         */
                   1289:        if (n->prev->tok == n->tok &&
                   1290:                        MDOC_Ft != n->tok &&
                   1291:                        MDOC_Fo != n->tok &&
                   1292:                        MDOC_Fn != n->tok) {
                   1293:                term_newln(p);
                   1294:                return;
                   1295:        }
                   1296:
                   1297:        /*
                   1298:         * If we're one of the SYNOPSIS set and non-like pair-wise after
                   1299:         * another (or Fn/Fo, which we've let slip through) then assert
                   1300:         * vertical space, else only newline and move on.
                   1301:         */
                   1302:        switch (n->prev->tok) {
                   1303:        case (MDOC_Fd):
                   1304:                /* FALLTHROUGH */
                   1305:        case (MDOC_Fn):
                   1306:                /* FALLTHROUGH */
                   1307:        case (MDOC_Fo):
                   1308:                /* FALLTHROUGH */
                   1309:        case (MDOC_In):
                   1310:                /* FALLTHROUGH */
                   1311:        case (MDOC_Vt):
                   1312:                term_vspace(p);
                   1313:                break;
                   1314:        case (MDOC_Ft):
                   1315:                if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) {
                   1316:                        term_vspace(p);
                   1317:                        break;
                   1318:                }
                   1319:                /* FALLTHROUGH */
                   1320:        default:
                   1321:                term_newln(p);
                   1322:                break;
                   1323:        }
                   1324: }
                   1325:
                   1326:
1.110     kristaps 1327: static int
                   1328: termp_vt_pre(DECL_ARGS)
                   1329: {
                   1330:
1.143     kristaps 1331:        if (MDOC_ELEM == n->type) {
                   1332:                synopsis_pre(p, n);
1.110     kristaps 1333:                return(termp_under_pre(p, pair, m, n));
1.143     kristaps 1334:        } else if (MDOC_BLOCK == n->type) {
                   1335:                synopsis_pre(p, n);
                   1336:                return(1);
                   1337:        } else if (MDOC_HEAD == n->type)
1.110     kristaps 1338:                return(0);
                   1339:
                   1340:        return(termp_under_pre(p, pair, m, n));
                   1341: }
                   1342:
                   1343:
1.1       kristaps 1344: /* ARGSUSED */
                   1345: static int
1.69      kristaps 1346: termp_bold_pre(DECL_ARGS)
1.1       kristaps 1347: {
                   1348:
1.102     kristaps 1349:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1350:        return(1);
                   1351: }
                   1352:
                   1353:
                   1354: /* ARGSUSED */
1.143     kristaps 1355: static int
                   1356: termp_fd_pre(DECL_ARGS)
1.1       kristaps 1357: {
                   1358:
1.143     kristaps 1359:        synopsis_pre(p, n);
                   1360:        return(termp_bold_pre(p, pair, m, n));
1.1       kristaps 1361: }
                   1362:
                   1363:
                   1364: /* ARGSUSED */
                   1365: static int
                   1366: termp_sh_pre(DECL_ARGS)
                   1367: {
1.85      kristaps 1368:
                   1369:        /* No vspace between consecutive `Sh' calls. */
                   1370:
1.86      kristaps 1371:        switch (n->type) {
1.65      kristaps 1372:        case (MDOC_BLOCK):
1.86      kristaps 1373:                if (n->prev && MDOC_Sh == n->prev->tok)
                   1374:                        if (NULL == n->prev->body->child)
1.65      kristaps 1375:                                break;
                   1376:                term_vspace(p);
                   1377:                break;
1.1       kristaps 1378:        case (MDOC_HEAD):
1.102     kristaps 1379:                term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1380:                break;
                   1381:        case (MDOC_BODY):
1.157     kristaps 1382:                p->offset = term_len(p, INDENT);
1.1       kristaps 1383:                break;
                   1384:        default:
                   1385:                break;
                   1386:        }
                   1387:        return(1);
                   1388: }
                   1389:
                   1390:
                   1391: /* ARGSUSED */
                   1392: static void
                   1393: termp_sh_post(DECL_ARGS)
                   1394: {
                   1395:
1.86      kristaps 1396:        switch (n->type) {
1.1       kristaps 1397:        case (MDOC_HEAD):
                   1398:                term_newln(p);
                   1399:                break;
                   1400:        case (MDOC_BODY):
                   1401:                term_newln(p);
                   1402:                p->offset = 0;
                   1403:                break;
                   1404:        default:
                   1405:                break;
                   1406:        }
                   1407: }
                   1408:
                   1409:
                   1410: /* ARGSUSED */
                   1411: static int
                   1412: termp_op_pre(DECL_ARGS)
                   1413: {
                   1414:
1.86      kristaps 1415:        switch (n->type) {
1.1       kristaps 1416:        case (MDOC_BODY):
                   1417:                term_word(p, "\\(lB");
                   1418:                p->flags |= TERMP_NOSPACE;
                   1419:                break;
                   1420:        default:
                   1421:                break;
                   1422:        }
                   1423:        return(1);
                   1424: }
                   1425:
                   1426:
                   1427: /* ARGSUSED */
                   1428: static int
                   1429: termp_bt_pre(DECL_ARGS)
                   1430: {
                   1431:
                   1432:        term_word(p, "is currently in beta test.");
1.131     kristaps 1433:        p->flags |= TERMP_SENTENCE;
1.81      kristaps 1434:        return(0);
1.1       kristaps 1435: }
                   1436:
                   1437:
                   1438: /* ARGSUSED */
                   1439: static void
                   1440: termp_lb_post(DECL_ARGS)
                   1441: {
                   1442:
1.122     kristaps 1443:        if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags)
1.81      kristaps 1444:                term_newln(p);
1.1       kristaps 1445: }
                   1446:
                   1447:
                   1448: /* ARGSUSED */
                   1449: static int
                   1450: termp_ud_pre(DECL_ARGS)
                   1451: {
                   1452:
                   1453:        term_word(p, "currently under development.");
1.131     kristaps 1454:        p->flags |= TERMP_SENTENCE;
1.86      kristaps 1455:        return(0);
1.1       kristaps 1456: }
                   1457:
                   1458:
                   1459: /* ARGSUSED */
                   1460: static int
                   1461: termp_d1_pre(DECL_ARGS)
                   1462: {
                   1463:
1.86      kristaps 1464:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1465:                return(1);
                   1466:        term_newln(p);
1.157     kristaps 1467:        p->offset += term_len(p, (INDENT + 1));
1.1       kristaps 1468:        return(1);
                   1469: }
                   1470:
                   1471:
                   1472: /* ARGSUSED */
                   1473: static void
                   1474: termp_d1_post(DECL_ARGS)
                   1475: {
                   1476:
1.86      kristaps 1477:        if (MDOC_BLOCK != n->type)
1.1       kristaps 1478:                return;
                   1479:        term_newln(p);
                   1480: }
                   1481:
                   1482:
                   1483: /* ARGSUSED */
                   1484: static int
                   1485: termp_aq_pre(DECL_ARGS)
                   1486: {
                   1487:
1.86      kristaps 1488:        if (MDOC_BODY != n->type)
1.1       kristaps 1489:                return(1);
                   1490:        term_word(p, "\\(la");
                   1491:        p->flags |= TERMP_NOSPACE;
                   1492:        return(1);
                   1493: }
                   1494:
                   1495:
                   1496: /* ARGSUSED */
                   1497: static void
                   1498: termp_aq_post(DECL_ARGS)
                   1499: {
                   1500:
1.86      kristaps 1501:        if (MDOC_BODY != n->type)
1.1       kristaps 1502:                return;
                   1503:        p->flags |= TERMP_NOSPACE;
                   1504:        term_word(p, "\\(ra");
                   1505: }
                   1506:
                   1507:
                   1508: /* ARGSUSED */
                   1509: static int
                   1510: termp_ft_pre(DECL_ARGS)
                   1511: {
                   1512:
1.141     kristaps 1513:        /* NB: MDOC_LINE does not effect this! */
1.143     kristaps 1514:        synopsis_pre(p, n);
1.102     kristaps 1515:        term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1516:        return(1);
                   1517: }
                   1518:
                   1519:
                   1520: /* ARGSUSED */
                   1521: static int
                   1522: termp_fn_pre(DECL_ARGS)
                   1523: {
1.86      kristaps 1524:        const struct mdoc_node  *nn;
1.1       kristaps 1525:
1.143     kristaps 1526:        synopsis_pre(p, n);
1.139     kristaps 1527:
1.102     kristaps 1528:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 1529:        term_word(p, n->child->string);
1.102     kristaps 1530:        term_fontpop(p);
1.1       kristaps 1531:
                   1532:        p->flags |= TERMP_NOSPACE;
                   1533:        term_word(p, "(");
                   1534:
1.86      kristaps 1535:        for (nn = n->child->next; nn; nn = nn->next) {
1.102     kristaps 1536:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1537:                term_word(p, nn->string);
1.102     kristaps 1538:                term_fontpop(p);
                   1539:
1.86      kristaps 1540:                if (nn->next)
1.1       kristaps 1541:                        term_word(p, ",");
                   1542:        }
                   1543:
                   1544:        term_word(p, ")");
                   1545:
1.86      kristaps 1546:        if (SEC_SYNOPSIS == n->sec)
1.1       kristaps 1547:                term_word(p, ";");
                   1548:
                   1549:        return(0);
                   1550: }
                   1551:
                   1552:
                   1553: /* ARGSUSED */
                   1554: static int
                   1555: termp_fa_pre(DECL_ARGS)
                   1556: {
1.86      kristaps 1557:        const struct mdoc_node  *nn;
1.1       kristaps 1558:
1.86      kristaps 1559:        if (n->parent->tok != MDOC_Fo) {
1.102     kristaps 1560:                term_fontpush(p, TERMFONT_UNDER);
1.1       kristaps 1561:                return(1);
                   1562:        }
                   1563:
1.86      kristaps 1564:        for (nn = n->child; nn; nn = nn->next) {
1.102     kristaps 1565:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 1566:                term_word(p, nn->string);
1.102     kristaps 1567:                term_fontpop(p);
                   1568:
1.86      kristaps 1569:                if (nn->next)
1.1       kristaps 1570:                        term_word(p, ",");
                   1571:        }
                   1572:
1.86      kristaps 1573:        if (n->child && n->next && n->next->tok == MDOC_Fa)
1.1       kristaps 1574:                term_word(p, ",");
                   1575:
                   1576:        return(0);
                   1577: }
                   1578:
                   1579:
                   1580: /* ARGSUSED */
                   1581: static int
                   1582: termp_bd_pre(DECL_ARGS)
                   1583: {
1.129     schwarze 1584:        size_t                   tabwidth;
1.119     kristaps 1585:        size_t                   rm, rmax;
1.85      kristaps 1586:        const struct mdoc_node  *nn;
1.1       kristaps 1587:
1.86      kristaps 1588:        if (MDOC_BLOCK == n->type) {
1.151     kristaps 1589:                print_bvspace(p, n, n);
1.54      kristaps 1590:                return(1);
1.116     kristaps 1591:        } else if (MDOC_HEAD == n->type)
                   1592:                return(0);
1.1       kristaps 1593:
1.148     kristaps 1594:        if (n->data.Bd.offs)
1.157     kristaps 1595:                p->offset += a2offs(p, n->data.Bd.offs);
1.85      kristaps 1596:
                   1597:        /*
                   1598:         * If -ragged or -filled are specified, the block does nothing
                   1599:         * but change the indentation.  If -unfilled or -literal are
                   1600:         * specified, text is printed exactly as entered in the display:
                   1601:         * for macro lines, a newline is appended to the line.  Blank
                   1602:         * lines are allowed.
                   1603:         */
1.60      kristaps 1604:
1.148     kristaps 1605:        if (DISP_literal != n->data.Bd.type &&
                   1606:                        DISP_unfilled != n->data.Bd.type)
1.1       kristaps 1607:                return(1);
                   1608:
1.129     schwarze 1609:        tabwidth = p->tabwidth;
1.157     kristaps 1610:        p->tabwidth = term_len(p, 8);
1.119     kristaps 1611:        rm = p->rmargin;
                   1612:        rmax = p->maxrmargin;
1.120     kristaps 1613:        p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1614:
1.86      kristaps 1615:        for (nn = n->child; nn; nn = nn->next) {
1.87      kristaps 1616:                p->flags |= TERMP_NOSPACE;
1.102     kristaps 1617:                print_mdoc_node(p, pair, m, nn);
1.130     schwarze 1618:                if (NULL == nn->prev ||
                   1619:                    nn->prev->line < nn->line ||
                   1620:                    NULL == nn->next)
1.87      kristaps 1621:                        term_flushln(p);
1.1       kristaps 1622:        }
1.147     kristaps 1623:
1.129     schwarze 1624:        p->tabwidth = tabwidth;
1.119     kristaps 1625:        p->rmargin = rm;
                   1626:        p->maxrmargin = rmax;
1.1       kristaps 1627:        return(0);
                   1628: }
                   1629:
                   1630:
                   1631: /* ARGSUSED */
                   1632: static void
                   1633: termp_bd_post(DECL_ARGS)
                   1634: {
1.119     kristaps 1635:        size_t           rm, rmax;
1.1       kristaps 1636:
1.86      kristaps 1637:        if (MDOC_BODY != n->type)
1.1       kristaps 1638:                return;
1.118     kristaps 1639:
1.119     kristaps 1640:        rm = p->rmargin;
                   1641:        rmax = p->maxrmargin;
1.118     kristaps 1642:
1.148     kristaps 1643:        if (DISP_literal == n->data.Bd.type ||
                   1644:                        DISP_unfilled == n->data.Bd.type)
1.120     kristaps 1645:                p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.118     kristaps 1646:
1.60      kristaps 1647:        p->flags |= TERMP_NOSPACE;
1.130     schwarze 1648:        term_newln(p);
1.118     kristaps 1649:
1.119     kristaps 1650:        p->rmargin = rm;
                   1651:        p->maxrmargin = rmax;
1.1       kristaps 1652: }
                   1653:
                   1654:
                   1655: /* ARGSUSED */
                   1656: static int
                   1657: termp_qq_pre(DECL_ARGS)
                   1658: {
                   1659:
1.86      kristaps 1660:        if (MDOC_BODY != n->type)
1.1       kristaps 1661:                return(1);
                   1662:        term_word(p, "\"");
                   1663:        p->flags |= TERMP_NOSPACE;
                   1664:        return(1);
                   1665: }
                   1666:
                   1667:
                   1668: /* ARGSUSED */
                   1669: static void
                   1670: termp_qq_post(DECL_ARGS)
                   1671: {
                   1672:
1.86      kristaps 1673:        if (MDOC_BODY != n->type)
1.1       kristaps 1674:                return;
                   1675:        p->flags |= TERMP_NOSPACE;
                   1676:        term_word(p, "\"");
                   1677: }
                   1678:
                   1679:
                   1680: /* ARGSUSED */
                   1681: static void
                   1682: termp_bx_post(DECL_ARGS)
                   1683: {
                   1684:
1.86      kristaps 1685:        if (n->child)
1.1       kristaps 1686:                p->flags |= TERMP_NOSPACE;
                   1687:        term_word(p, "BSD");
                   1688: }
                   1689:
                   1690:
                   1691: /* ARGSUSED */
                   1692: static int
1.26      kristaps 1693: termp_xx_pre(DECL_ARGS)
1.1       kristaps 1694: {
1.26      kristaps 1695:        const char      *pp;
1.1       kristaps 1696:
1.26      kristaps 1697:        pp = NULL;
1.86      kristaps 1698:        switch (n->tok) {
1.26      kristaps 1699:        case (MDOC_Bsx):
                   1700:                pp = "BSDI BSD/OS";
                   1701:                break;
                   1702:        case (MDOC_Dx):
1.100     kristaps 1703:                pp = "DragonFly";
1.26      kristaps 1704:                break;
                   1705:        case (MDOC_Fx):
                   1706:                pp = "FreeBSD";
                   1707:                break;
                   1708:        case (MDOC_Nx):
                   1709:                pp = "NetBSD";
                   1710:                break;
                   1711:        case (MDOC_Ox):
                   1712:                pp = "OpenBSD";
                   1713:                break;
                   1714:        case (MDOC_Ux):
                   1715:                pp = "UNIX";
                   1716:                break;
                   1717:        default:
                   1718:                break;
                   1719:        }
1.1       kristaps 1720:
1.26      kristaps 1721:        assert(pp);
                   1722:        term_word(p, pp);
1.1       kristaps 1723:        return(1);
                   1724: }
                   1725:
                   1726:
                   1727: /* ARGSUSED */
                   1728: static int
                   1729: termp_sq_pre(DECL_ARGS)
                   1730: {
                   1731:
1.86      kristaps 1732:        if (MDOC_BODY != n->type)
1.1       kristaps 1733:                return(1);
                   1734:        term_word(p, "\\(oq");
                   1735:        p->flags |= TERMP_NOSPACE;
                   1736:        return(1);
                   1737: }
                   1738:
                   1739:
                   1740: /* ARGSUSED */
                   1741: static void
                   1742: termp_sq_post(DECL_ARGS)
                   1743: {
                   1744:
1.86      kristaps 1745:        if (MDOC_BODY != n->type)
1.1       kristaps 1746:                return;
                   1747:        p->flags |= TERMP_NOSPACE;
                   1748:        term_word(p, "\\(aq");
                   1749: }
                   1750:
                   1751:
                   1752: /* ARGSUSED */
                   1753: static int
                   1754: termp_pf_pre(DECL_ARGS)
                   1755: {
                   1756:
                   1757:        p->flags |= TERMP_IGNDELIM;
                   1758:        return(1);
                   1759: }
                   1760:
                   1761:
                   1762: /* ARGSUSED */
                   1763: static void
                   1764: termp_pf_post(DECL_ARGS)
                   1765: {
                   1766:
                   1767:        p->flags &= ~TERMP_IGNDELIM;
                   1768:        p->flags |= TERMP_NOSPACE;
                   1769: }
                   1770:
                   1771:
                   1772: /* ARGSUSED */
                   1773: static int
                   1774: termp_ss_pre(DECL_ARGS)
                   1775: {
                   1776:
1.86      kristaps 1777:        switch (n->type) {
1.1       kristaps 1778:        case (MDOC_BLOCK):
                   1779:                term_newln(p);
1.86      kristaps 1780:                if (n->prev)
1.1       kristaps 1781:                        term_vspace(p);
                   1782:                break;
                   1783:        case (MDOC_HEAD):
1.102     kristaps 1784:                term_fontpush(p, TERMFONT_BOLD);
1.157     kristaps 1785:                p->offset = term_len(p, HALFINDENT);
1.1       kristaps 1786:                break;
                   1787:        default:
                   1788:                break;
                   1789:        }
                   1790:
                   1791:        return(1);
                   1792: }
                   1793:
                   1794:
                   1795: /* ARGSUSED */
                   1796: static void
                   1797: termp_ss_post(DECL_ARGS)
                   1798: {
                   1799:
1.86      kristaps 1800:        if (MDOC_HEAD == n->type)
1.1       kristaps 1801:                term_newln(p);
                   1802: }
                   1803:
                   1804:
                   1805: /* ARGSUSED */
                   1806: static int
                   1807: termp_cd_pre(DECL_ARGS)
                   1808: {
                   1809:
1.143     kristaps 1810:        synopsis_pre(p, n);
1.102     kristaps 1811:        term_fontpush(p, TERMFONT_BOLD);
1.1       kristaps 1812:        return(1);
                   1813: }
                   1814:
                   1815:
                   1816: /* ARGSUSED */
                   1817: static int
                   1818: termp_in_pre(DECL_ARGS)
                   1819: {
1.142     schwarze 1820:
1.143     kristaps 1821:        synopsis_pre(p, n);
1.1       kristaps 1822:
1.138     kristaps 1823:        if (SEC_SYNOPSIS == n->sec && MDOC_LINE & n->flags) {
                   1824:                term_fontpush(p, TERMFONT_BOLD);
1.22      kristaps 1825:                term_word(p, "#include");
1.138     kristaps 1826:                term_word(p, "<");
                   1827:        } else {
                   1828:                term_word(p, "<");
                   1829:                term_fontpush(p, TERMFONT_UNDER);
                   1830:        }
1.22      kristaps 1831:
1.1       kristaps 1832:        p->flags |= TERMP_NOSPACE;
                   1833:        return(1);
                   1834: }
                   1835:
                   1836:
                   1837: /* ARGSUSED */
                   1838: static void
                   1839: termp_in_post(DECL_ARGS)
                   1840: {
                   1841:
1.143     kristaps 1842:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1843:                term_fontpush(p, TERMFONT_BOLD);
                   1844:
1.79      kristaps 1845:        p->flags |= TERMP_NOSPACE;
1.1       kristaps 1846:        term_word(p, ">");
                   1847:
1.143     kristaps 1848:        if (SEC_SYNOPSIS == n->sec)
1.138     kristaps 1849:                term_fontpop(p);
1.1       kristaps 1850: }
                   1851:
                   1852:
                   1853: /* ARGSUSED */
                   1854: static int
1.45      kristaps 1855: termp_sp_pre(DECL_ARGS)
                   1856: {
1.91      kristaps 1857:        size_t           i, len;
1.45      kristaps 1858:
1.86      kristaps 1859:        switch (n->tok) {
1.76      kristaps 1860:        case (MDOC_sp):
1.157     kristaps 1861:                len = n->child ? a2height(p, n->child->string) : 1;
1.76      kristaps 1862:                break;
                   1863:        case (MDOC_br):
                   1864:                len = 0;
                   1865:                break;
                   1866:        default:
                   1867:                len = 1;
                   1868:                break;
1.45      kristaps 1869:        }
                   1870:
                   1871:        if (0 == len)
                   1872:                term_newln(p);
                   1873:        for (i = 0; i < len; i++)
                   1874:                term_vspace(p);
                   1875:
                   1876:        return(0);
                   1877: }
                   1878:
                   1879:
                   1880: /* ARGSUSED */
                   1881: static int
1.1       kristaps 1882: termp_brq_pre(DECL_ARGS)
                   1883: {
                   1884:
1.86      kristaps 1885:        if (MDOC_BODY != n->type)
1.1       kristaps 1886:                return(1);
                   1887:        term_word(p, "\\(lC");
                   1888:        p->flags |= TERMP_NOSPACE;
                   1889:        return(1);
                   1890: }
                   1891:
                   1892:
                   1893: /* ARGSUSED */
                   1894: static void
                   1895: termp_brq_post(DECL_ARGS)
                   1896: {
                   1897:
1.86      kristaps 1898:        if (MDOC_BODY != n->type)
1.1       kristaps 1899:                return;
                   1900:        p->flags |= TERMP_NOSPACE;
                   1901:        term_word(p, "\\(rC");
                   1902: }
                   1903:
                   1904:
                   1905: /* ARGSUSED */
                   1906: static int
                   1907: termp_bq_pre(DECL_ARGS)
                   1908: {
                   1909:
1.86      kristaps 1910:        if (MDOC_BODY != n->type)
1.1       kristaps 1911:                return(1);
                   1912:        term_word(p, "\\(lB");
                   1913:        p->flags |= TERMP_NOSPACE;
                   1914:        return(1);
                   1915: }
                   1916:
                   1917:
                   1918: /* ARGSUSED */
                   1919: static void
                   1920: termp_bq_post(DECL_ARGS)
                   1921: {
                   1922:
1.86      kristaps 1923:        if (MDOC_BODY != n->type)
1.1       kristaps 1924:                return;
                   1925:        p->flags |= TERMP_NOSPACE;
                   1926:        term_word(p, "\\(rB");
                   1927: }
                   1928:
                   1929:
                   1930: /* ARGSUSED */
                   1931: static int
                   1932: termp_pq_pre(DECL_ARGS)
                   1933: {
                   1934:
1.86      kristaps 1935:        if (MDOC_BODY != n->type)
1.1       kristaps 1936:                return(1);
                   1937:        term_word(p, "\\&(");
                   1938:        p->flags |= TERMP_NOSPACE;
                   1939:        return(1);
                   1940: }
                   1941:
                   1942:
                   1943: /* ARGSUSED */
                   1944: static void
                   1945: termp_pq_post(DECL_ARGS)
                   1946: {
                   1947:
1.86      kristaps 1948:        if (MDOC_BODY != n->type)
1.1       kristaps 1949:                return;
                   1950:        term_word(p, ")");
                   1951: }
                   1952:
                   1953:
                   1954: /* ARGSUSED */
                   1955: static int
                   1956: termp_fo_pre(DECL_ARGS)
                   1957: {
                   1958:
1.141     kristaps 1959:        if (MDOC_BLOCK == n->type) {
1.143     kristaps 1960:                synopsis_pre(p, n);
1.141     kristaps 1961:                return(1);
                   1962:        } else if (MDOC_BODY == n->type) {
1.33      kristaps 1963:                p->flags |= TERMP_NOSPACE;
1.1       kristaps 1964:                term_word(p, "(");
                   1965:                p->flags |= TERMP_NOSPACE;
                   1966:                return(1);
1.141     kristaps 1967:        }
                   1968:
                   1969:        /* XXX: we drop non-initial arguments as per groff. */
1.1       kristaps 1970:
1.141     kristaps 1971:        assert(n->child);
                   1972:        assert(n->child->string);
1.102     kristaps 1973:        term_fontpush(p, TERMFONT_BOLD);
1.141     kristaps 1974:        term_word(p, n->child->string);
1.1       kristaps 1975:        return(0);
                   1976: }
                   1977:
                   1978:
                   1979: /* ARGSUSED */
                   1980: static void
                   1981: termp_fo_post(DECL_ARGS)
                   1982: {
                   1983:
1.143     kristaps 1984:        if (MDOC_BODY != n->type)
                   1985:                return;
                   1986:
                   1987:        p->flags |= TERMP_NOSPACE;
                   1988:        term_word(p, ")");
                   1989:
                   1990:        if (SEC_SYNOPSIS == n->sec) {
1.141     kristaps 1991:                p->flags |= TERMP_NOSPACE;
1.143     kristaps 1992:                term_word(p, ";");
1.141     kristaps 1993:        }
1.1       kristaps 1994: }
                   1995:
                   1996:
                   1997: /* ARGSUSED */
                   1998: static int
                   1999: termp_bf_pre(DECL_ARGS)
                   2000: {
1.86      kristaps 2001:        const struct mdoc_node  *nn;
1.1       kristaps 2002:
1.86      kristaps 2003:        if (MDOC_HEAD == n->type)
1.1       kristaps 2004:                return(0);
1.86      kristaps 2005:        else if (MDOC_BLOCK != n->type)
1.1       kristaps 2006:                return(1);
                   2007:
1.86      kristaps 2008:        if (NULL == (nn = n->head->child)) {
                   2009:                if (arg_hasattr(MDOC_Emphasis, n))
1.102     kristaps 2010:                        term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2011:                else if (arg_hasattr(MDOC_Symbolic, n))
1.102     kristaps 2012:                        term_fontpush(p, TERMFONT_BOLD);
                   2013:                else
                   2014:                        term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2015:
                   2016:                return(1);
                   2017:        }
                   2018:
1.86      kristaps 2019:        assert(MDOC_TEXT == nn->type);
                   2020:        if (0 == strcmp("Em", nn->string))
1.102     kristaps 2021:                term_fontpush(p, TERMFONT_UNDER);
1.86      kristaps 2022:        else if (0 == strcmp("Sy", nn->string))
1.102     kristaps 2023:                term_fontpush(p, TERMFONT_BOLD);
                   2024:        else
                   2025:                term_fontpush(p, TERMFONT_NONE);
1.1       kristaps 2026:
                   2027:        return(1);
                   2028: }
                   2029:
                   2030:
                   2031: /* ARGSUSED */
                   2032: static int
                   2033: termp_sm_pre(DECL_ARGS)
                   2034: {
                   2035:
1.86      kristaps 2036:        assert(n->child && MDOC_TEXT == n->child->type);
1.109     kristaps 2037:        if (0 == strcmp("on", n->child->string))
1.1       kristaps 2038:                p->flags &= ~TERMP_NONOSPACE;
1.109     kristaps 2039:        else
1.1       kristaps 2040:                p->flags |= TERMP_NONOSPACE;
                   2041:
                   2042:        return(0);
                   2043: }
                   2044:
                   2045:
                   2046: /* ARGSUSED */
                   2047: static int
                   2048: termp_ap_pre(DECL_ARGS)
                   2049: {
                   2050:
                   2051:        p->flags |= TERMP_NOSPACE;
                   2052:        term_word(p, "\\(aq");
                   2053:        p->flags |= TERMP_NOSPACE;
                   2054:        return(1);
                   2055: }
                   2056:
                   2057:
                   2058: /* ARGSUSED */
                   2059: static void
                   2060: termp____post(DECL_ARGS)
                   2061: {
                   2062:
1.95      kristaps 2063:        /* TODO: %U. */
                   2064:
1.1       kristaps 2065:        p->flags |= TERMP_NOSPACE;
1.86      kristaps 2066:        term_word(p, n->next ? "," : ".");
1.1       kristaps 2067: }
                   2068:
                   2069:
                   2070: /* ARGSUSED */
                   2071: static int
1.102     kristaps 2072: termp_li_pre(DECL_ARGS)
                   2073: {
                   2074:
                   2075:        term_fontpush(p, TERMFONT_NONE);
                   2076:        return(1);
                   2077: }
                   2078:
                   2079:
                   2080: /* ARGSUSED */
                   2081: static int
1.1       kristaps 2082: termp_lk_pre(DECL_ARGS)
                   2083: {
1.86      kristaps 2084:        const struct mdoc_node *nn;
1.1       kristaps 2085:
1.102     kristaps 2086:        term_fontpush(p, TERMFONT_UNDER);
1.96      kristaps 2087:        nn = n->child;
                   2088:
                   2089:        if (NULL == nn->next)
1.12      kristaps 2090:                return(1);
                   2091:
1.86      kristaps 2092:        term_word(p, nn->string);
1.102     kristaps 2093:        term_fontpop(p);
1.96      kristaps 2094:
1.1       kristaps 2095:        p->flags |= TERMP_NOSPACE;
                   2096:        term_word(p, ":");
                   2097:
1.102     kristaps 2098:        term_fontpush(p, TERMFONT_BOLD);
1.86      kristaps 2099:        for (nn = nn->next; nn; nn = nn->next)
                   2100:                term_word(p, nn->string);
1.102     kristaps 2101:        term_fontpop(p);
1.12      kristaps 2102:
1.1       kristaps 2103:        return(0);
                   2104: }
                   2105:
1.159   ! schwarze 2106:
        !          2107: /* ARGSUSED */
        !          2108: static int
        !          2109: termp_bk_pre(DECL_ARGS)
        !          2110: {
        !          2111:
        !          2112:        p->flags |= TERMP_PREKEEP;
        !          2113:        return(1);
        !          2114: }
        !          2115:
        !          2116:
        !          2117: /* ARGSUSED */
        !          2118: static void
        !          2119: termp_bk_post(DECL_ARGS)
        !          2120: {
        !          2121:
        !          2122:        p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP);
        !          2123: }
1.1       kristaps 2124:
                   2125: /* ARGSUSED */
                   2126: static int
1.69      kristaps 2127: termp_under_pre(DECL_ARGS)
1.1       kristaps 2128: {
                   2129:
1.102     kristaps 2130:        term_fontpush(p, TERMFONT_UNDER);
1.84      kristaps 2131:        return(1);
                   2132: }

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