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Annotation of mandoc/term.c, Revision 1.30

1.30    ! kristaps    1: /* $Id: term.c,v 1.29 2009/02/28 20:13:06 kristaps Exp $ */
1.1       kristaps    2: /*
1.10      kristaps    3:  * Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1       kristaps    4:  *
                      5:  * Permission to use, copy, modify, and distribute this software for any
                      6:  * purpose with or without fee is hereby granted, provided that the
                      7:  * above copyright notice and this permission notice appear in all
                      8:  * copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
                     11:  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
                     12:  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
                     13:  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
                     14:  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
                     15:  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
                     16:  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
                     17:  * PERFORMANCE OF THIS SOFTWARE.
                     18:  */
                     19: #include <assert.h>
1.25      kristaps   20: #include <ctype.h>
1.23      kristaps   21: #include <err.h>
1.22      kristaps   22: #include <stdio.h>
1.1       kristaps   23: #include <stdlib.h>
                     24: #include <string.h>
                     25:
1.10      kristaps   26: #include "term.h"
                     27:
1.29      kristaps   28: #define        INDENT            6
1.10      kristaps   29:
                     30: /*
                     31:  * Performs actions on nodes of the abstract syntax tree.  Both pre- and
                     32:  * post-fix operations are defined here.
                     33:  */
                     34:
                     35: /* FIXME: indent/tab. */
1.21      kristaps   36: /* FIXME: macro arguments can be escaped. */
1.10      kristaps   37:
                     38: #define        TTYPE_PROG        0
                     39: #define        TTYPE_CMD_FLAG    1
                     40: #define        TTYPE_CMD_ARG     2
                     41: #define        TTYPE_SECTION     3
                     42: #define        TTYPE_FUNC_DECL   4
                     43: #define        TTYPE_VAR_DECL    5
                     44: #define        TTYPE_FUNC_TYPE   6
                     45: #define        TTYPE_FUNC_NAME   7
                     46: #define        TTYPE_FUNC_ARG    8
                     47: #define        TTYPE_LINK        9
                     48: #define        TTYPE_SSECTION    10
                     49: #define        TTYPE_FILE        11
1.11      kristaps   50: #define        TTYPE_EMPH        12
1.14      kristaps   51: #define        TTYPE_CONFIG      13
                     52: #define        TTYPE_CMD         14
                     53: #define        TTYPE_INCLUDE     15
1.17      kristaps   54: #define        TTYPE_SYMB        16
                     55: #define        TTYPE_SYMBOL      17
                     56: #define        TTYPE_NMAX        18
1.10      kristaps   57:
                     58: /*
                     59:  * These define "styles" for element types, like command arguments or
                     60:  * executable names.  This is useful when multiple macros must decorate
                     61:  * the same thing (like .Ex -std cmd and .Nm cmd).
                     62:  */
                     63:
                     64: const  int ttypes[TTYPE_NMAX] = {
                     65:        TERMP_BOLD,             /* TTYPE_PROG */
                     66:        TERMP_BOLD,             /* TTYPE_CMD_FLAG */
                     67:        TERMP_UNDERLINE,        /* TTYPE_CMD_ARG */
                     68:        TERMP_BOLD,             /* TTYPE_SECTION */
                     69:        TERMP_BOLD,             /* TTYPE_FUNC_DECL */
                     70:        TERMP_UNDERLINE,        /* TTYPE_VAR_DECL */
                     71:        TERMP_UNDERLINE,        /* TTYPE_FUNC_TYPE */
                     72:        TERMP_BOLD,             /* TTYPE_FUNC_NAME */
                     73:        TERMP_UNDERLINE,        /* TTYPE_FUNC_ARG */
                     74:        TERMP_UNDERLINE,        /* TTYPE_LINK */
                     75:        TERMP_BOLD,             /* TTYPE_SSECTION */
1.11      kristaps   76:        TERMP_UNDERLINE,        /* TTYPE_FILE */
1.14      kristaps   77:        TERMP_UNDERLINE,        /* TTYPE_EMPH */
                     78:        TERMP_BOLD,             /* TTYPE_CONFIG */
                     79:        TERMP_BOLD,             /* TTYPE_CMD */
1.17      kristaps   80:        TERMP_BOLD,             /* TTYPE_INCLUDE */
                     81:        TERMP_BOLD,             /* TTYPE_SYMB */
                     82:        TERMP_BOLD              /* TTYPE_SYMBOL */
1.10      kristaps   83: };
1.7       kristaps   84:
1.10      kristaps   85: static int               arg_hasattr(int, size_t,
                     86:                                const struct mdoc_arg *);
                     87: static int               arg_getattr(int, size_t,
                     88:                                const struct mdoc_arg *);
1.12      kristaps   89: static size_t            arg_offset(const struct mdoc_arg *);
                     90: static size_t            arg_width(const struct mdoc_arg *);
1.10      kristaps   91:
                     92: /*
                     93:  * What follows describes prefix and postfix operations for the abstract
                     94:  * syntax tree descent.
                     95:  */
1.1       kristaps   96:
1.10      kristaps   97: #define        DECL_ARGS \
                     98:        struct termp *p, \
1.18      kristaps   99:        struct termpair *pair, \
1.10      kristaps  100:        const struct mdoc_meta *meta, \
                    101:        const struct mdoc_node *node
                    102:
                    103: #define        DECL_PRE(name) \
                    104: static int               name##_pre(DECL_ARGS)
                    105: #define        DECL_POST(name) \
                    106: static void              name##_post(DECL_ARGS)
                    107: #define        DECL_PREPOST(name) \
                    108: DECL_PRE(name); \
                    109: DECL_POST(name);
                    110:
1.28      kristaps  111: DECL_PREPOST(termp__t);
1.10      kristaps  112: DECL_PREPOST(termp_aq);
1.12      kristaps  113: DECL_PREPOST(termp_bd);
1.15      kristaps  114: DECL_PREPOST(termp_bq);
1.10      kristaps  115: DECL_PREPOST(termp_d1);
                    116: DECL_PREPOST(termp_dq);
                    117: DECL_PREPOST(termp_fd);
                    118: DECL_PREPOST(termp_fn);
1.16      kristaps  119: DECL_PREPOST(termp_fo);
1.10      kristaps  120: DECL_PREPOST(termp_ft);
1.30    ! kristaps  121: DECL_PREPOST(termp_in);
1.10      kristaps  122: DECL_PREPOST(termp_it);
                    123: DECL_PREPOST(termp_op);
                    124: DECL_PREPOST(termp_pf);
1.15      kristaps  125: DECL_PREPOST(termp_pq);
1.10      kristaps  126: DECL_PREPOST(termp_qq);
                    127: DECL_PREPOST(termp_sh);
                    128: DECL_PREPOST(termp_ss);
                    129: DECL_PREPOST(termp_sq);
                    130: DECL_PREPOST(termp_vt);
                    131:
1.18      kristaps  132: DECL_PRE(termp_ar);
1.14      kristaps  133: DECL_PRE(termp_at);
1.18      kristaps  134: DECL_PRE(termp_bf);
1.15      kristaps  135: DECL_PRE(termp_bsx);
1.17      kristaps  136: DECL_PRE(termp_bt);
1.10      kristaps  137: DECL_PRE(termp_bx);
1.18      kristaps  138: DECL_PRE(termp_cd);
                    139: DECL_PRE(termp_cm);
                    140: DECL_PRE(termp_em);
1.10      kristaps  141: DECL_PRE(termp_ex);
1.18      kristaps  142: DECL_PRE(termp_fa);
                    143: DECL_PRE(termp_fl);
1.16      kristaps  144: DECL_PRE(termp_fx);
1.18      kristaps  145: DECL_PRE(termp_ic);
                    146: DECL_PRE(termp_ms);
1.10      kristaps  147: DECL_PRE(termp_nd);
1.18      kristaps  148: DECL_PRE(termp_nm);
1.10      kristaps  149: DECL_PRE(termp_ns);
                    150: DECL_PRE(termp_nx);
                    151: DECL_PRE(termp_ox);
1.18      kristaps  152: DECL_PRE(termp_pa);
1.10      kristaps  153: DECL_PRE(termp_pp);
1.28      kristaps  154: DECL_PRE(termp_rs);
1.14      kristaps  155: DECL_PRE(termp_rv);
1.22      kristaps  156: DECL_PRE(termp_sm);
1.14      kristaps  157: DECL_PRE(termp_st);
1.18      kristaps  158: DECL_PRE(termp_sx);
                    159: DECL_PRE(termp_sy);
1.10      kristaps  160: DECL_PRE(termp_ud);
1.16      kristaps  161: DECL_PRE(termp_ux);
1.18      kristaps  162: DECL_PRE(termp_va);
1.10      kristaps  163: DECL_PRE(termp_xr);
                    164:
1.28      kristaps  165: DECL_POST(termp___);
1.10      kristaps  166: DECL_POST(termp_bl);
                    167:
                    168: const  struct termact __termacts[MDOC_MAX] = {
                    169:        { NULL, NULL }, /* \" */
                    170:        { NULL, NULL }, /* Dd */
                    171:        { NULL, NULL }, /* Dt */
                    172:        { NULL, NULL }, /* Os */
                    173:        { termp_sh_pre, termp_sh_post }, /* Sh */
                    174:        { termp_ss_pre, termp_ss_post }, /* Ss */
                    175:        { termp_pp_pre, NULL }, /* Pp */
                    176:        { termp_d1_pre, termp_d1_post }, /* D1 */
1.29      kristaps  177:        { termp_d1_pre, termp_d1_post }, /* Dl */
1.12      kristaps  178:        { termp_bd_pre, termp_bd_post }, /* Bd */
1.10      kristaps  179:        { NULL, NULL }, /* Ed */
                    180:        { NULL, termp_bl_post }, /* Bl */
                    181:        { NULL, NULL }, /* El */
                    182:        { termp_it_pre, termp_it_post }, /* It */
                    183:        { NULL, NULL }, /* Ad */
                    184:        { NULL, NULL }, /* An */
1.18      kristaps  185:        { termp_ar_pre, NULL }, /* Ar */
                    186:        { termp_cd_pre, NULL }, /* Cd */
                    187:        { termp_cm_pre, NULL }, /* Cm */
1.10      kristaps  188:        { NULL, NULL }, /* Dv */
                    189:        { NULL, NULL }, /* Er */
                    190:        { NULL, NULL }, /* Ev */
                    191:        { termp_ex_pre, NULL }, /* Ex */
1.18      kristaps  192:        { termp_fa_pre, NULL }, /* Fa */
1.10      kristaps  193:        { termp_fd_pre, termp_fd_post }, /* Fd */
1.18      kristaps  194:        { termp_fl_pre, NULL }, /* Fl */
1.10      kristaps  195:        { termp_fn_pre, termp_fn_post }, /* Fn */
                    196:        { termp_ft_pre, termp_ft_post }, /* Ft */
1.18      kristaps  197:        { termp_ic_pre, NULL }, /* Ic */
1.30    ! kristaps  198:        { termp_in_pre, termp_in_post }, /* In */
1.10      kristaps  199:        { NULL, NULL }, /* Li */
                    200:        { termp_nd_pre, NULL }, /* Nd */
1.18      kristaps  201:        { termp_nm_pre, NULL }, /* Nm */
1.10      kristaps  202:        { termp_op_pre, termp_op_post }, /* Op */
                    203:        { NULL, NULL }, /* Ot */
1.18      kristaps  204:        { termp_pa_pre, NULL }, /* Pa */
1.14      kristaps  205:        { termp_rv_pre, NULL }, /* Rv */
                    206:        { termp_st_pre, NULL }, /* St */
1.18      kristaps  207:        { termp_va_pre, NULL }, /* Va */
1.10      kristaps  208:        { termp_vt_pre, termp_vt_post }, /* Vt */
                    209:        { termp_xr_pre, NULL }, /* Xr */
1.28      kristaps  210:        { NULL, termp____post }, /* %A */
1.29      kristaps  211:        { NULL, termp____post }, /* %B */
1.28      kristaps  212:        { NULL, termp____post }, /* %D */
1.29      kristaps  213:        { NULL, termp____post }, /* %I */
1.28      kristaps  214:        { NULL, termp____post }, /* %J */
1.29      kristaps  215:        { NULL, termp____post }, /* %N */
                    216:        { NULL, termp____post }, /* %O */
                    217:        { NULL, termp____post }, /* %P */
                    218:        { NULL, termp____post }, /* %R */
1.28      kristaps  219:        { termp__t_pre, termp__t_post }, /* %T */
1.29      kristaps  220:        { NULL, termp____post }, /* %V */
1.10      kristaps  221:        { NULL, NULL }, /* Ac */
1.14      kristaps  222:        { termp_aq_pre, termp_aq_post }, /* Ao */
1.10      kristaps  223:        { termp_aq_pre, termp_aq_post }, /* Aq */
1.14      kristaps  224:        { termp_at_pre, NULL }, /* At */
1.10      kristaps  225:        { NULL, NULL }, /* Bc */
1.18      kristaps  226:        { termp_bf_pre, NULL }, /* Bf */
1.15      kristaps  227:        { termp_bq_pre, termp_bq_post }, /* Bo */
                    228:        { termp_bq_pre, termp_bq_post }, /* Bq */
                    229:        { termp_bsx_pre, NULL }, /* Bsx */
1.10      kristaps  230:        { termp_bx_pre, NULL }, /* Bx */
                    231:        { NULL, NULL }, /* Db */
                    232:        { NULL, NULL }, /* Dc */
1.15      kristaps  233:        { termp_dq_pre, termp_dq_post }, /* Do */
1.10      kristaps  234:        { termp_dq_pre, termp_dq_post }, /* Dq */
                    235:        { NULL, NULL }, /* Ec */
                    236:        { NULL, NULL }, /* Ef */
1.18      kristaps  237:        { termp_em_pre, NULL }, /* Em */
1.10      kristaps  238:        { NULL, NULL }, /* Eo */
1.16      kristaps  239:        { termp_fx_pre, NULL }, /* Fx */
1.18      kristaps  240:        { termp_ms_pre, NULL }, /* Ms */
1.10      kristaps  241:        { NULL, NULL }, /* No */
                    242:        { termp_ns_pre, NULL }, /* Ns */
                    243:        { termp_nx_pre, NULL }, /* Nx */
                    244:        { termp_ox_pre, NULL }, /* Ox */
                    245:        { NULL, NULL }, /* Pc */
                    246:        { termp_pf_pre, termp_pf_post }, /* Pf */
1.15      kristaps  247:        { termp_pq_pre, termp_pq_post }, /* Po */
                    248:        { termp_pq_pre, termp_pq_post }, /* Pq */
1.10      kristaps  249:        { NULL, NULL }, /* Qc */
1.16      kristaps  250:        { termp_sq_pre, termp_sq_post }, /* Ql */
1.15      kristaps  251:        { termp_qq_pre, termp_qq_post }, /* Qo */
1.10      kristaps  252:        { termp_qq_pre, termp_qq_post }, /* Qq */
                    253:        { NULL, NULL }, /* Re */
1.28      kristaps  254:        { termp_rs_pre, NULL }, /* Rs */
1.10      kristaps  255:        { NULL, NULL }, /* Sc */
1.15      kristaps  256:        { termp_sq_pre, termp_sq_post }, /* So */
1.10      kristaps  257:        { termp_sq_pre, termp_sq_post }, /* Sq */
1.22      kristaps  258:        { termp_sm_pre, NULL }, /* Sm */
1.18      kristaps  259:        { termp_sx_pre, NULL }, /* Sx */
                    260:        { termp_sy_pre, NULL }, /* Sy */
1.10      kristaps  261:        { NULL, NULL }, /* Tn */
1.16      kristaps  262:        { termp_ux_pre, NULL }, /* Ux */
1.10      kristaps  263:        { NULL, NULL }, /* Xc */
                    264:        { NULL, NULL }, /* Xo */
1.16      kristaps  265:        { termp_fo_pre, termp_fo_post }, /* Fo */
1.10      kristaps  266:        { NULL, NULL }, /* Fc */
1.16      kristaps  267:        { termp_op_pre, termp_op_post }, /* Oo */
1.10      kristaps  268:        { NULL, NULL }, /* Oc */
                    269:        { NULL, NULL }, /* Bk */
                    270:        { NULL, NULL }, /* Ek */
1.17      kristaps  271:        { termp_bt_pre, NULL }, /* Bt */
1.10      kristaps  272:        { NULL, NULL }, /* Hf */
                    273:        { NULL, NULL }, /* Fr */
                    274:        { termp_ud_pre, NULL }, /* Ud */
1.2       kristaps  275: };
                    276:
1.10      kristaps  277: const struct termact *termacts = __termacts;
                    278:
                    279:
                    280: static size_t
1.12      kristaps  281: arg_width(const struct mdoc_arg *arg)
1.10      kristaps  282: {
1.27      kristaps  283:        size_t           v;
                    284:        int              i, len;
1.12      kristaps  285:
                    286:        assert(*arg->value);
1.25      kristaps  287:        if (0 == strcmp(*arg->value, "indent"))
                    288:                return(INDENT);
                    289:        if (0 == strcmp(*arg->value, "indent-two"))
                    290:                return(INDENT * 2);
                    291:
1.27      kristaps  292:        len = (int)strlen(*arg->value);
1.25      kristaps  293:        assert(len > 0);
                    294:
                    295:        for (i = 0; i < len - 1; i++)
                    296:                if ( ! isdigit((int)(*arg->value)[i]))
                    297:                        break;
                    298:
                    299:        if (i == len - 1) {
                    300:                if ('n' == (*arg->value)[len - 1]) {
                    301:                        v = (size_t)atoi(*arg->value);
                    302:                        return(v);
                    303:                }
                    304:
                    305:        }
1.29      kristaps  306:        return(strlen(*arg->value) + 2);
1.12      kristaps  307: }
                    308:
                    309:
                    310: static size_t
                    311: arg_offset(const struct mdoc_arg *arg)
                    312: {
                    313:
                    314:        /* TODO */
                    315:        assert(*arg->value);
                    316:        if (0 == strcmp(*arg->value, "indent"))
1.10      kristaps  317:                return(INDENT);
1.12      kristaps  318:        if (0 == strcmp(*arg->value, "indent-two"))
1.10      kristaps  319:                return(INDENT * 2);
1.12      kristaps  320:        return(strlen(*arg->value));
1.10      kristaps  321: }
                    322:
1.3       kristaps  323:
1.10      kristaps  324: static int
                    325: arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv)
1.2       kristaps  326: {
                    327:
1.10      kristaps  328:        return(-1 != arg_getattr(arg, argc, argv));
                    329: }
                    330:
                    331:
                    332: static int
                    333: arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv)
                    334: {
                    335:        int              i;
                    336:
                    337:        for (i = 0; i < (int)argc; i++)
                    338:                if (argv[i].arg == arg)
                    339:                        return(i);
                    340:        return(-1);
                    341: }
                    342:
                    343:
                    344: /* ARGSUSED */
                    345: static int
                    346: termp_dq_pre(DECL_ARGS)
                    347: {
                    348:
                    349:        if (MDOC_BODY != node->type)
                    350:                return(1);
                    351:
                    352:        word(p, "``");
                    353:        p->flags |= TERMP_NOSPACE;
                    354:        return(1);
                    355: }
                    356:
                    357:
                    358: /* ARGSUSED */
                    359: static void
                    360: termp_dq_post(DECL_ARGS)
                    361: {
                    362:
                    363:        if (MDOC_BODY != node->type)
                    364:                return;
1.3       kristaps  365:
1.10      kristaps  366:        p->flags |= TERMP_NOSPACE;
                    367:        word(p, "''");
                    368: }
1.2       kristaps  369:
1.3       kristaps  370:
1.10      kristaps  371: /* ARGSUSED */
1.20      kristaps  372: static int
                    373: termp_it_pre(DECL_ARGS)
1.10      kristaps  374: {
                    375:        const struct mdoc_node *n, *it;
                    376:        const struct mdoc_block *bl;
1.23      kristaps  377:        char             buf[7], *tp;
                    378:        int              i, type;
1.12      kristaps  379:        size_t           width, offset;
1.2       kristaps  380:
1.10      kristaps  381:        switch (node->type) {
                    382:        case (MDOC_BODY):
                    383:                /* FALLTHROUGH */
                    384:        case (MDOC_HEAD):
1.20      kristaps  385:                it = node->parent;
                    386:                break;
                    387:        case (MDOC_BLOCK):
                    388:                it = node;
1.10      kristaps  389:                break;
                    390:        default:
1.20      kristaps  391:                return(1);
1.8       kristaps  392:        }
                    393:
1.21      kristaps  394:        n = it->parent->parent;
1.10      kristaps  395:        bl = &n->data.block;
                    396:
1.20      kristaps  397:        if (MDOC_BLOCK == node->type) {
1.29      kristaps  398:                newln(p);
                    399:                if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv))
                    400:                        if (node->prev || n->prev)
                    401:                                vspace(p);
1.20      kristaps  402:                return(1);
                    403:        }
                    404:
1.23      kristaps  405:        /* Get our list type. */
                    406:
1.24      kristaps  407:        for (type = -1, i = 0; i < (int)bl->argc; i++)
1.23      kristaps  408:                switch (bl->argv[i].arg) {
                    409:                case (MDOC_Bullet):
                    410:                        /* FALLTHROUGH */
                    411:                case (MDOC_Dash):
                    412:                        /* FALLTHROUGH */
                    413:                case (MDOC_Enum):
                    414:                        /* FALLTHROUGH */
                    415:                case (MDOC_Hyphen):
                    416:                        /* FALLTHROUGH */
                    417:                case (MDOC_Tag):
                    418:                        /* FALLTHROUGH */
                    419:                case (MDOC_Ohang):
                    420:                        type = bl->argv[i].arg;
                    421:                        i = (int)bl->argc;
                    422:                        break;
1.24      kristaps  423:                default:
1.23      kristaps  424:                        errx(1, "list type not supported");
                    425:                        /* NOTREACHED */
                    426:                }
                    427:
1.24      kristaps  428:        assert(-1 != type);
                    429:
1.23      kristaps  430:        /* Save our existing (inherited) margin and offset. */
                    431:
1.20      kristaps  432:        pair->offset = p->offset;
                    433:        pair->rmargin = p->rmargin;
                    434:
1.23      kristaps  435:        /* Get list width and offset. */
                    436:
1.20      kristaps  437:        i = arg_getattr(MDOC_Width, bl->argc, bl->argv);
1.23      kristaps  438:        width = i >= 0 ? arg_width(&bl->argv[i]) : 0;
1.20      kristaps  439:
                    440:        i = arg_getattr(MDOC_Offset, bl->argc, bl->argv);
                    441:        offset = i >= 0 ? arg_offset(&bl->argv[i]) : 0;
                    442:
1.23      kristaps  443:        /* Override the width. */
1.10      kristaps  444:
1.23      kristaps  445:        switch (type) {
                    446:        case (MDOC_Bullet):
                    447:                /* FALLTHROUGH */
                    448:        case (MDOC_Dash):
                    449:                /* FALLTHROUGH */
                    450:        case (MDOC_Enum):
                    451:                /* FALLTHROUGH */
                    452:        case (MDOC_Hyphen):
                    453:                width = width > 6 ? width : 6;
                    454:                break;
                    455:        case (MDOC_Tag):
1.24      kristaps  456:                /* FIXME: auto-size. */
1.23      kristaps  457:                if (0 == width)
                    458:                        errx(1, "need non-zero -width");
                    459:                break;
                    460:        default:
                    461:                break;
                    462:        }
1.10      kristaps  463:
1.23      kristaps  464:        /* Word-wrap control. */
1.21      kristaps  465:
1.23      kristaps  466:        p->flags |= TERMP_NOSPACE;
1.21      kristaps  467:
1.23      kristaps  468:        switch (type) {
                    469:        case (MDOC_Bullet):
                    470:                /* FALLTHROUGH */
                    471:        case (MDOC_Dash):
                    472:                /* FALLTHROUGH */
                    473:        case (MDOC_Enum):
                    474:                /* FALLTHROUGH */
                    475:        case (MDOC_Hyphen):
                    476:                /* FALLTHROUGH */
                    477:        case (MDOC_Tag):
                    478:                if (MDOC_HEAD == node->type)
                    479:                        p->flags |= TERMP_NOBREAK;
                    480:                else if (MDOC_BODY == node->type)
                    481:                        p->flags |= TERMP_NOLPAD;
                    482:                break;
1.24      kristaps  483:        default:
1.23      kristaps  484:                break;
                    485:        }
1.21      kristaps  486:
1.23      kristaps  487:        /*
                    488:         * Get a token to use as the HEAD lead-in.  If NULL, we use the
                    489:         * HEAD child.
                    490:         */
1.21      kristaps  491:
1.23      kristaps  492:        tp = NULL;
1.24      kristaps  493:
1.23      kristaps  494:        if (MDOC_HEAD == node->type) {
                    495:                if (arg_hasattr(MDOC_Bullet, bl->argc, bl->argv))
                    496:                        tp = "\\[bu]";
                    497:                if (arg_hasattr(MDOC_Dash, bl->argc, bl->argv))
                    498:                        tp = "\\-";
                    499:                if (arg_hasattr(MDOC_Enum, bl->argc, bl->argv)) {
1.21      kristaps  500:                        (pair->ppair->ppair->count)++;
                    501:                        (void)snprintf(buf, sizeof(buf), "%d.",
                    502:                                        pair->ppair->ppair->count);
1.23      kristaps  503:                        tp = buf;
1.2       kristaps  504:                }
1.23      kristaps  505:                if (arg_hasattr(MDOC_Hyphen, bl->argc, bl->argv))
                    506:                        tp = "\\-";
                    507:        }
1.20      kristaps  508:
1.23      kristaps  509:        /* Margin control. */
1.2       kristaps  510:
1.21      kristaps  511:        p->offset += offset;
1.23      kristaps  512:
                    513:        switch (type) {
                    514:        case (MDOC_Bullet):
                    515:                /* FALLTHROUGH */
                    516:        case (MDOC_Dash):
                    517:                /* FALLTHROUGH */
                    518:        case (MDOC_Enum):
                    519:                /* FALLTHROUGH */
                    520:        case (MDOC_Hyphen):
                    521:                /* FALLTHROUGH */
                    522:        case (MDOC_Tag):
                    523:                if (MDOC_HEAD == node->type)
                    524:                        p->rmargin = p->offset + width;
                    525:                else if (MDOC_BODY == node->type)
                    526:                        p->offset += width;
                    527:                break;
1.24      kristaps  528:        default:
1.23      kristaps  529:                break;
                    530:        }
                    531:
                    532:        if (NULL == tp)
                    533:                return(1);
                    534:
                    535:        word(p, tp);
                    536:        return(0);
1.10      kristaps  537: }
                    538:
                    539:
                    540: /* ARGSUSED */
1.20      kristaps  541: static void
                    542: termp_it_post(DECL_ARGS)
1.10      kristaps  543: {
1.3       kristaps  544:
1.21      kristaps  545:        if (MDOC_BODY != node->type && MDOC_HEAD != node->type)
1.20      kristaps  546:                return;
1.10      kristaps  547:
1.23      kristaps  548:        flushln(p);
1.10      kristaps  549:
1.23      kristaps  550:        p->offset = pair->offset;
                    551:        p->rmargin = pair->rmargin;
1.21      kristaps  552:
1.23      kristaps  553:        if (MDOC_HEAD == node->type) {
                    554:                p->flags &= ~TERMP_NOBREAK;
                    555:                p->flags &= ~TERMP_NORPAD;
                    556:        } else if (MDOC_BODY == node->type)
                    557:                p->flags &= ~TERMP_NOLPAD;
1.2       kristaps  558: }
                    559:
                    560:
1.10      kristaps  561: /* ARGSUSED */
1.18      kristaps  562: static int
                    563: termp_nm_pre(DECL_ARGS)
1.10      kristaps  564: {
                    565:
1.29      kristaps  566:        if (SEC_SYNOPSIS == node->sec)
                    567:                newln(p);
                    568:
1.18      kristaps  569:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_PROG]);
                    570:        if (NULL == node->child)
                    571:                word(p, meta->name);
                    572:        return(1);
1.10      kristaps  573: }
                    574:
                    575:
                    576: /* ARGSUSED */
1.18      kristaps  577: static int
                    578: termp_fl_pre(DECL_ARGS)
1.10      kristaps  579: {
                    580:
1.18      kristaps  581:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_FLAG]);
                    582:        word(p, "\\-");
                    583:        p->flags |= TERMP_NOSPACE;
                    584:        return(1);
1.10      kristaps  585: }
                    586:
                    587:
                    588: /* ARGSUSED */
                    589: static int
                    590: termp_ar_pre(DECL_ARGS)
                    591: {
                    592:
1.29      kristaps  593:        if (node->child) {
                    594:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_ARG]);
                    595:                return(1);
                    596:        }
                    597:        p->flags |= ttypes[TTYPE_CMD_ARG];
                    598:        word(p, "file");
                    599:        word(p, "...");
                    600:        p->flags &= ~ttypes[TTYPE_CMD_ARG];
1.10      kristaps  601:        return(1);
                    602: }
                    603:
                    604:
                    605: /* ARGSUSED */
                    606: static int
                    607: termp_ns_pre(DECL_ARGS)
1.2       kristaps  608: {
                    609:
                    610:        p->flags |= TERMP_NOSPACE;
1.10      kristaps  611:        return(1);
                    612: }
                    613:
                    614:
                    615: /* ARGSUSED */
                    616: static int
                    617: termp_pp_pre(DECL_ARGS)
                    618: {
                    619:
                    620:        vspace(p);
                    621:        return(1);
                    622: }
                    623:
                    624:
                    625: /* ARGSUSED */
                    626: static int
1.14      kristaps  627: termp_st_pre(DECL_ARGS)
                    628: {
                    629:        const char      *tp;
                    630:
                    631:        assert(1 == node->data.elem.argc);
                    632:
                    633:        tp = mdoc_st2a(node->data.elem.argv[0].arg);
                    634:        word(p, tp);
                    635:
                    636:        return(1);
                    637: }
                    638:
                    639:
                    640: /* ARGSUSED */
                    641: static int
1.28      kristaps  642: termp_rs_pre(DECL_ARGS)
                    643: {
                    644:
1.30    ! kristaps  645:        if (MDOC_BLOCK == node->type && node->prev)
1.28      kristaps  646:                vspace(p);
                    647:        return(1);
                    648: }
                    649:
                    650:
                    651: /* ARGSUSED */
                    652: static int
1.14      kristaps  653: termp_rv_pre(DECL_ARGS)
                    654: {
                    655:        int              i;
                    656:
                    657:        i = arg_getattr(MDOC_Std, node->data.elem.argc,
                    658:                        node->data.elem.argv);
                    659:        assert(i >= 0);
                    660:
                    661:        newln(p);
                    662:        word(p, "The");
                    663:
                    664:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                    665:        word(p, *node->data.elem.argv[i].value);
                    666:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                    667:
                    668:                word(p, "() function returns the value 0 if successful;");
                    669:                word(p, "otherwise the value -1 is returned and the");
                    670:                word(p, "global variable");
                    671:
                    672:        p->flags |= ttypes[TTYPE_VAR_DECL];
                    673:        word(p, "errno");
                    674:        p->flags &= ~ttypes[TTYPE_VAR_DECL];
                    675:
                    676:                word(p, "is set to indicate the error.");
                    677:
                    678:        return(1);
                    679: }
                    680:
                    681:
                    682: /* ARGSUSED */
                    683: static int
1.10      kristaps  684: termp_ex_pre(DECL_ARGS)
                    685: {
                    686:        int              i;
                    687:
                    688:        i = arg_getattr(MDOC_Std, node->data.elem.argc,
                    689:                        node->data.elem.argv);
                    690:        assert(i >= 0);
                    691:
                    692:        word(p, "The");
                    693:        p->flags |= ttypes[TTYPE_PROG];
                    694:        word(p, *node->data.elem.argv[i].value);
                    695:        p->flags &= ~ttypes[TTYPE_PROG];
                    696:                word(p, "utility exits 0 on success, and >0 if an error occurs.");
                    697:
                    698:        return(1);
                    699: }
                    700:
                    701:
                    702: /* ARGSUSED */
                    703: static int
                    704: termp_nd_pre(DECL_ARGS)
                    705: {
                    706:
                    707:        word(p, "\\-");
                    708:        return(1);
                    709: }
                    710:
                    711:
                    712: /* ARGSUSED */
                    713: static void
                    714: termp_bl_post(DECL_ARGS)
                    715: {
                    716:
                    717:        if (MDOC_BLOCK == node->type)
                    718:                newln(p);
                    719: }
                    720:
                    721:
                    722: /* ARGSUSED */
                    723: static void
                    724: termp_op_post(DECL_ARGS)
                    725: {
                    726:
                    727:        if (MDOC_BODY != node->type)
1.2       kristaps  728:                return;
1.10      kristaps  729:        p->flags |= TERMP_NOSPACE;
                    730:        word(p, "\\(rB");
                    731: }
                    732:
                    733:
                    734: /* ARGSUSED */
                    735: static int
                    736: termp_xr_pre(DECL_ARGS)
                    737: {
                    738:        const struct mdoc_node *n;
                    739:
                    740:        n = node->child;
                    741:        assert(n);
                    742:
                    743:        assert(MDOC_TEXT == n->type);
                    744:        word(p, n->data.text.string);
                    745:
                    746:        if (NULL == (n = n->next))
                    747:                return(0);
                    748:
                    749:        assert(MDOC_TEXT == n->type);
                    750:        p->flags |= TERMP_NOSPACE;
                    751:        word(p, "(");
                    752:        p->flags |= TERMP_NOSPACE;
                    753:        word(p, n->data.text.string);
                    754:        p->flags |= TERMP_NOSPACE;
                    755:        word(p, ")");
                    756:
                    757:        return(0);
1.2       kristaps  758: }
                    759:
                    760:
1.10      kristaps  761: /* ARGSUSED */
                    762: static int
                    763: termp_vt_pre(DECL_ARGS)
1.2       kristaps  764: {
                    765:
1.10      kristaps  766:        /* FIXME: this can be "type name". */
1.18      kristaps  767:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_VAR_DECL]);
1.10      kristaps  768:        return(1);
1.2       kristaps  769: }
                    770:
                    771:
1.10      kristaps  772: /* ARGSUSED */
1.2       kristaps  773: static void
1.10      kristaps  774: termp_vt_post(DECL_ARGS)
                    775: {
                    776:
                    777:        if (node->sec == SEC_SYNOPSIS)
                    778:                vspace(p);
                    779: }
                    780:
                    781:
                    782: /* ARGSUSED */
                    783: static int
                    784: termp_fd_pre(DECL_ARGS)
1.2       kristaps  785: {
                    786:
1.10      kristaps  787:        /*
                    788:         * FIXME: this naming is bad.  This value is used, in general,
                    789:         * for the #include header or other preprocessor statement.
                    790:         */
1.18      kristaps  791:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_DECL]);
1.10      kristaps  792:        return(1);
1.2       kristaps  793: }
                    794:
                    795:
1.10      kristaps  796: /* ARGSUSED */
1.2       kristaps  797: static void
1.10      kristaps  798: termp_fd_post(DECL_ARGS)
1.2       kristaps  799: {
                    800:
1.30    ! kristaps  801:        if (node->sec != SEC_SYNOPSIS)
        !           802:                return;
        !           803:        newln(p);
        !           804:        if (node->next && MDOC_Fd != node->next->tok)
1.10      kristaps  805:                vspace(p);
                    806: }
                    807:
                    808:
                    809: /* ARGSUSED */
                    810: static int
                    811: termp_sh_pre(DECL_ARGS)
                    812: {
1.2       kristaps  813:
1.10      kristaps  814:        switch (node->type) {
                    815:        case (MDOC_HEAD):
                    816:                vspace(p);
1.18      kristaps  817:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SECTION]);
1.2       kristaps  818:                break;
1.10      kristaps  819:        case (MDOC_BODY):
                    820:                p->offset = INDENT;
1.2       kristaps  821:                break;
1.10      kristaps  822:        default:
                    823:                break;
                    824:        }
                    825:        return(1);
                    826: }
                    827:
                    828:
                    829: /* ARGSUSED */
1.19      kristaps  830: static void
                    831: termp_sh_post(DECL_ARGS)
                    832: {
                    833:
                    834:        switch (node->type) {
                    835:        case (MDOC_HEAD):
                    836:                newln(p);
                    837:                break;
                    838:        case (MDOC_BODY):
                    839:                newln(p);
                    840:                p->offset = 0;
                    841:                break;
                    842:        default:
                    843:                break;
                    844:        }
                    845: }
                    846:
                    847:
                    848: /* ARGSUSED */
1.10      kristaps  849: static int
                    850: termp_op_pre(DECL_ARGS)
                    851: {
                    852:
                    853:        switch (node->type) {
                    854:        case (MDOC_BODY):
                    855:                word(p, "\\(lB");
                    856:                p->flags |= TERMP_NOSPACE;
1.2       kristaps  857:                break;
                    858:        default:
1.10      kristaps  859:                break;
1.2       kristaps  860:        }
1.10      kristaps  861:        return(1);
                    862: }
                    863:
                    864:
                    865: /* ARGSUSED */
                    866: static int
1.17      kristaps  867: termp_bt_pre(DECL_ARGS)
                    868: {
                    869:
                    870:        word(p, "is currently in beta test.");
                    871:        return(1);
                    872: }
                    873:
                    874:
                    875: /* ARGSUSED */
                    876: static int
1.10      kristaps  877: termp_ud_pre(DECL_ARGS)
                    878: {
                    879:
                    880:        word(p, "currently under development.");
                    881:        return(1);
                    882: }
                    883:
                    884:
                    885: /* ARGSUSED */
                    886: static int
                    887: termp_d1_pre(DECL_ARGS)
                    888: {
                    889:
                    890:        if (MDOC_BODY != node->type)
                    891:                return(1);
                    892:        newln(p);
1.19      kristaps  893:        p->offset += (pair->offset = INDENT);
1.10      kristaps  894:        return(1);
1.2       kristaps  895: }
                    896:
                    897:
1.10      kristaps  898: /* ARGSUSED */
1.2       kristaps  899: static void
1.10      kristaps  900: termp_d1_post(DECL_ARGS)
                    901: {
                    902:
                    903:        if (MDOC_BODY != node->type)
                    904:                return;
                    905:        newln(p);
1.19      kristaps  906:        p->offset -= pair->offset;
1.10      kristaps  907: }
                    908:
                    909:
                    910: /* ARGSUSED */
                    911: static int
                    912: termp_aq_pre(DECL_ARGS)
1.6       kristaps  913: {
                    914:
1.10      kristaps  915:        if (MDOC_BODY != node->type)
                    916:                return(1);
                    917:        word(p, "<");
                    918:        p->flags |= TERMP_NOSPACE;
                    919:        return(1);
                    920: }
1.6       kristaps  921:
                    922:
1.10      kristaps  923: /* ARGSUSED */
                    924: static void
                    925: termp_aq_post(DECL_ARGS)
                    926: {
1.6       kristaps  927:
1.10      kristaps  928:        if (MDOC_BODY != node->type)
1.6       kristaps  929:                return;
1.10      kristaps  930:        p->flags |= TERMP_NOSPACE;
                    931:        word(p, ">");
                    932: }
1.6       kristaps  933:
1.10      kristaps  934:
                    935: /* ARGSUSED */
                    936: static int
                    937: termp_ft_pre(DECL_ARGS)
                    938: {
                    939:
1.18      kristaps  940:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_TYPE]);
1.10      kristaps  941:        return(1);
1.6       kristaps  942: }
                    943:
                    944:
1.10      kristaps  945: /* ARGSUSED */
1.6       kristaps  946: static void
1.10      kristaps  947: termp_ft_post(DECL_ARGS)
1.2       kristaps  948: {
                    949:
1.10      kristaps  950:        if (node->sec == SEC_SYNOPSIS)
                    951:                newln(p);
                    952: }
1.2       kristaps  953:
                    954:
1.10      kristaps  955: /* ARGSUSED */
                    956: static int
                    957: termp_fn_pre(DECL_ARGS)
                    958: {
                    959:        const struct mdoc_node *n;
                    960:
                    961:        assert(node->child);
                    962:        assert(MDOC_TEXT == node->child->type);
1.2       kristaps  963:
1.10      kristaps  964:        /* FIXME: can be "type funcname" "type varname"... */
1.2       kristaps  965:
1.10      kristaps  966:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                    967:        word(p, node->child->data.text.string);
                    968:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                    969:
                    970:        word(p, "(");
                    971:
                    972:        p->flags |= TERMP_NOSPACE;
                    973:        for (n = node->child->next; n; n = n->next) {
                    974:                assert(MDOC_TEXT == n->type);
                    975:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                    976:                word(p, n->data.text.string);
                    977:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
1.16      kristaps  978:                if (n->next)
1.10      kristaps  979:                        word(p, ",");
1.6       kristaps  980:        }
1.2       kristaps  981:
1.10      kristaps  982:        word(p, ")");
                    983:
                    984:        if (SEC_SYNOPSIS == node->sec)
                    985:                word(p, ";");
                    986:
                    987:        return(0);
1.2       kristaps  988: }
                    989:
                    990:
1.10      kristaps  991: /* ARGSUSED */
                    992: static void
                    993: termp_fn_post(DECL_ARGS)
1.2       kristaps  994: {
                    995:
1.30    ! kristaps  996:        if (node->sec == SEC_SYNOPSIS && node->next)
1.10      kristaps  997:                vspace(p);
                    998:
                    999: }
1.2       kristaps 1000:
                   1001:
1.10      kristaps 1002: /* ARGSUSED */
                   1003: static int
                   1004: termp_sx_pre(DECL_ARGS)
                   1005: {
1.8       kristaps 1006:
1.18      kristaps 1007:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_LINK]);
1.10      kristaps 1008:        return(1);
1.2       kristaps 1009: }
                   1010:
                   1011:
1.10      kristaps 1012: /* ARGSUSED */
                   1013: static int
                   1014: termp_fa_pre(DECL_ARGS)
                   1015: {
1.16      kristaps 1016:        struct mdoc_node *n;
                   1017:
                   1018:        if (node->parent->tok != MDOC_Fo) {
1.18      kristaps 1019:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FUNC_ARG]);
1.16      kristaps 1020:                return(1);
                   1021:        }
                   1022:
                   1023:        for (n = node->child; n; n = n->next) {
                   1024:                assert(MDOC_TEXT == n->type);
                   1025:
                   1026:                p->flags |= ttypes[TTYPE_FUNC_ARG];
                   1027:                word(p, n->data.text.string);
                   1028:                p->flags &= ~ttypes[TTYPE_FUNC_ARG];
                   1029:
                   1030:                if (n->next)
                   1031:                        word(p, ",");
                   1032:        }
                   1033:
                   1034:        if (node->next && node->next->tok == MDOC_Fa)
                   1035:                word(p, ",");
1.2       kristaps 1036:
1.16      kristaps 1037:        return(0);
1.10      kristaps 1038: }
1.2       kristaps 1039:
                   1040:
1.10      kristaps 1041: /* ARGSUSED */
                   1042: static int
                   1043: termp_va_pre(DECL_ARGS)
                   1044: {
1.2       kristaps 1045:
1.18      kristaps 1046:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_VAR_DECL]);
1.10      kristaps 1047:        return(1);
1.2       kristaps 1048: }
                   1049:
                   1050:
1.10      kristaps 1051: /* ARGSUSED */
                   1052: static int
                   1053: termp_bd_pre(DECL_ARGS)
                   1054: {
                   1055:        const struct mdoc_block *bl;
                   1056:        const struct mdoc_node *n;
1.12      kristaps 1057:        int              i;
1.1       kristaps 1058:
1.10      kristaps 1059:        if (MDOC_BLOCK == node->type) {
1.30    ! kristaps 1060:                if (node->prev)
        !          1061:                        vspace(p);
1.10      kristaps 1062:                return(1);
                   1063:        } else if (MDOC_BODY != node->type)
                   1064:                return(1);
                   1065:
                   1066:        assert(MDOC_BLOCK == node->parent->type);
1.20      kristaps 1067:        pair->offset = p->offset;
1.10      kristaps 1068:
                   1069:        bl = &node->parent->data.block;
1.12      kristaps 1070:
1.20      kristaps 1071:
1.12      kristaps 1072:        i = arg_getattr(MDOC_Offset, bl->argc, bl->argv);
                   1073:        if (-1 != i) {
                   1074:                assert(1 == bl->argv[i].sz);
1.20      kristaps 1075:                p->offset += arg_offset(&bl->argv[i]);
1.12      kristaps 1076:        }
                   1077:
1.10      kristaps 1078:        if ( ! arg_hasattr(MDOC_Literal, bl->argc, bl->argv))
                   1079:                return(1);
                   1080:
                   1081:        p->flags |= TERMP_LITERAL;
                   1082:
                   1083:        for (n = node->child; n; n = n->next) {
                   1084:                assert(MDOC_TEXT == n->type); /* FIXME */
                   1085:                if ((*n->data.text.string)) {
                   1086:                        word(p, n->data.text.string);
                   1087:                        flushln(p);
                   1088:                } else
                   1089:                        vspace(p);
1.1       kristaps 1090:
1.10      kristaps 1091:        }
1.1       kristaps 1092:
1.10      kristaps 1093:        p->flags &= ~TERMP_LITERAL;
                   1094:        return(0);
                   1095: }
1.1       kristaps 1096:
                   1097:
1.10      kristaps 1098: /* ARGSUSED */
1.12      kristaps 1099: static void
                   1100: termp_bd_post(DECL_ARGS)
                   1101: {
                   1102:
1.20      kristaps 1103:        if (MDOC_BODY != node->type)
                   1104:                return;
                   1105:        newln(p);
                   1106:        p->offset = pair->offset;
1.12      kristaps 1107: }
                   1108:
                   1109:
                   1110: /* ARGSUSED */
1.10      kristaps 1111: static int
                   1112: termp_qq_pre(DECL_ARGS)
                   1113: {
1.1       kristaps 1114:
1.10      kristaps 1115:        if (MDOC_BODY != node->type)
                   1116:                return(1);
                   1117:        word(p, "\"");
                   1118:        p->flags |= TERMP_NOSPACE;
                   1119:        return(1);
1.1       kristaps 1120: }
                   1121:
                   1122:
1.10      kristaps 1123: /* ARGSUSED */
1.1       kristaps 1124: static void
1.10      kristaps 1125: termp_qq_post(DECL_ARGS)
1.1       kristaps 1126: {
                   1127:
1.10      kristaps 1128:        if (MDOC_BODY != node->type)
                   1129:                return;
                   1130:        p->flags |= TERMP_NOSPACE;
                   1131:        word(p, "\"");
                   1132: }
                   1133:
                   1134:
                   1135: /* ARGSUSED */
                   1136: static int
1.15      kristaps 1137: termp_bsx_pre(DECL_ARGS)
                   1138: {
                   1139:
                   1140:        word(p, "BSDI BSD/OS");
                   1141:        return(1);
                   1142: }
                   1143:
                   1144:
                   1145: /* ARGSUSED */
                   1146: static int
1.10      kristaps 1147: termp_bx_pre(DECL_ARGS)
                   1148: {
1.1       kristaps 1149:
1.10      kristaps 1150:        word(p, "BSD");
                   1151:        return(1);
                   1152: }
                   1153:
                   1154:
                   1155: /* ARGSUSED */
                   1156: static int
                   1157: termp_ox_pre(DECL_ARGS)
                   1158: {
                   1159:
                   1160:        word(p, "OpenBSD");
                   1161:        return(1);
                   1162: }
                   1163:
                   1164:
                   1165: /* ARGSUSED */
                   1166: static int
1.16      kristaps 1167: termp_ux_pre(DECL_ARGS)
                   1168: {
                   1169:
                   1170:        word(p, "UNIX");
                   1171:        return(1);
                   1172: }
                   1173:
                   1174:
                   1175: /* ARGSUSED */
                   1176: static int
                   1177: termp_fx_pre(DECL_ARGS)
                   1178: {
                   1179:
                   1180:        word(p, "FreeBSD");
                   1181:        return(1);
                   1182: }
                   1183:
                   1184:
                   1185: /* ARGSUSED */
                   1186: static int
1.10      kristaps 1187: termp_nx_pre(DECL_ARGS)
                   1188: {
                   1189:
                   1190:        word(p, "NetBSD");
                   1191:        return(1);
                   1192: }
                   1193:
                   1194:
                   1195: /* ARGSUSED */
                   1196: static int
                   1197: termp_sq_pre(DECL_ARGS)
                   1198: {
                   1199:
                   1200:        if (MDOC_BODY != node->type)
                   1201:                return(1);
1.28      kristaps 1202:        word(p, "`");
1.10      kristaps 1203:        p->flags |= TERMP_NOSPACE;
                   1204:        return(1);
                   1205: }
1.1       kristaps 1206:
                   1207:
1.10      kristaps 1208: /* ARGSUSED */
                   1209: static void
                   1210: termp_sq_post(DECL_ARGS)
                   1211: {
                   1212:
                   1213:        if (MDOC_BODY != node->type)
                   1214:                return;
                   1215:        p->flags |= TERMP_NOSPACE;
                   1216:        word(p, "\'");
                   1217: }
1.2       kristaps 1218:
                   1219:
1.10      kristaps 1220: /* ARGSUSED */
                   1221: static int
                   1222: termp_pf_pre(DECL_ARGS)
                   1223: {
1.1       kristaps 1224:
1.10      kristaps 1225:        p->flags |= TERMP_IGNDELIM;
                   1226:        return(1);
                   1227: }
1.1       kristaps 1228:
                   1229:
1.10      kristaps 1230: /* ARGSUSED */
                   1231: static void
                   1232: termp_pf_post(DECL_ARGS)
                   1233: {
1.1       kristaps 1234:
1.10      kristaps 1235:        p->flags &= ~TERMP_IGNDELIM;
                   1236:        p->flags |= TERMP_NOSPACE;
                   1237: }
1.1       kristaps 1238:
                   1239:
1.10      kristaps 1240: /* ARGSUSED */
                   1241: static int
                   1242: termp_ss_pre(DECL_ARGS)
                   1243: {
1.1       kristaps 1244:
1.10      kristaps 1245:        switch (node->type) {
                   1246:        case (MDOC_HEAD):
                   1247:                vspace(p);
1.18      kristaps 1248:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SSECTION]);
1.10      kristaps 1249:                p->offset = INDENT / 2;
                   1250:                break;
                   1251:        default:
                   1252:                break;
                   1253:        }
1.1       kristaps 1254:
1.10      kristaps 1255:        return(1);
1.1       kristaps 1256: }
                   1257:
                   1258:
1.10      kristaps 1259: /* ARGSUSED */
                   1260: static void
                   1261: termp_ss_post(DECL_ARGS)
1.1       kristaps 1262: {
                   1263:
1.10      kristaps 1264:        switch (node->type) {
                   1265:        case (MDOC_HEAD):
                   1266:                newln(p);
                   1267:                p->offset = INDENT;
                   1268:                break;
                   1269:        default:
                   1270:                break;
                   1271:        }
                   1272: }
1.2       kristaps 1273:
                   1274:
1.10      kristaps 1275: /* ARGSUSED */
                   1276: static int
                   1277: termp_pa_pre(DECL_ARGS)
                   1278: {
1.2       kristaps 1279:
1.18      kristaps 1280:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_FILE]);
1.10      kristaps 1281:        return(1);
1.1       kristaps 1282: }
                   1283:
                   1284:
1.10      kristaps 1285: /* ARGSUSED */
1.11      kristaps 1286: static int
                   1287: termp_em_pre(DECL_ARGS)
                   1288: {
                   1289:
1.18      kristaps 1290:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
1.11      kristaps 1291:        return(1);
                   1292: }
                   1293:
                   1294:
                   1295: /* ARGSUSED */
1.14      kristaps 1296: static int
                   1297: termp_cd_pre(DECL_ARGS)
                   1298: {
                   1299:
1.18      kristaps 1300:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CONFIG]);
1.14      kristaps 1301:        return(1);
                   1302: }
                   1303:
                   1304:
                   1305: /* ARGSUSED */
                   1306: static int
                   1307: termp_cm_pre(DECL_ARGS)
                   1308: {
                   1309:
1.18      kristaps 1310:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD_FLAG]);
1.14      kristaps 1311:        return(1);
                   1312: }
                   1313:
                   1314:
                   1315: /* ARGSUSED */
                   1316: static int
                   1317: termp_ic_pre(DECL_ARGS)
                   1318: {
                   1319:
1.18      kristaps 1320:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_CMD]);
1.14      kristaps 1321:        return(1);
                   1322: }
                   1323:
                   1324:
                   1325: /* ARGSUSED */
                   1326: static int
                   1327: termp_in_pre(DECL_ARGS)
                   1328: {
                   1329:
1.30    ! kristaps 1330:        p->flags |= ttypes[TTYPE_INCLUDE];
        !          1331:        word(p, "#include");
        !          1332:        word(p, "<");
        !          1333:        p->flags &= ~ttypes[TTYPE_INCLUDE];
        !          1334:        p->flags |= TERMP_NOSPACE;
1.18      kristaps 1335:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_INCLUDE]);
1.14      kristaps 1336:        return(1);
                   1337: }
                   1338:
                   1339:
                   1340: /* ARGSUSED */
1.30    ! kristaps 1341: static void
        !          1342: termp_in_post(DECL_ARGS)
        !          1343: {
        !          1344:
        !          1345:        p->flags |= TERMP_NOSPACE;
        !          1346:        word(p, ">");
        !          1347:
        !          1348:        newln(p);
        !          1349:        if (SEC_SYNOPSIS != node->sec)
        !          1350:                return;
        !          1351:        if (node->next && MDOC_In != node->next->tok)
        !          1352:                vspace(p);
        !          1353: }
        !          1354:
        !          1355:
        !          1356: /* ARGSUSED */
1.14      kristaps 1357: static int
                   1358: termp_at_pre(DECL_ARGS)
                   1359: {
                   1360:        enum mdoc_att    c;
                   1361:
                   1362:        c = ATT_DEFAULT;
                   1363:        if (node->child) {
                   1364:                assert(MDOC_TEXT == node->child->type);
                   1365:                c = mdoc_atoatt(node->child->data.text.string);
                   1366:        }
                   1367:
                   1368:        word(p, mdoc_att2a(c));
                   1369:        return(0);
                   1370: }
1.15      kristaps 1371:
                   1372:
                   1373: /* ARGSUSED */
                   1374: static int
                   1375: termp_bq_pre(DECL_ARGS)
                   1376: {
                   1377:
                   1378:        if (MDOC_BODY != node->type)
                   1379:                return(1);
1.30    ! kristaps 1380:        word(p, "[");
1.15      kristaps 1381:        p->flags |= TERMP_NOSPACE;
                   1382:        return(1);
                   1383: }
                   1384:
                   1385:
                   1386: /* ARGSUSED */
                   1387: static void
                   1388: termp_bq_post(DECL_ARGS)
                   1389: {
                   1390:
                   1391:        if (MDOC_BODY != node->type)
                   1392:                return;
                   1393:        word(p, "]");
                   1394: }
                   1395:
                   1396:
                   1397: /* ARGSUSED */
                   1398: static int
                   1399: termp_pq_pre(DECL_ARGS)
                   1400: {
                   1401:
                   1402:        if (MDOC_BODY != node->type)
                   1403:                return(1);
1.30    ! kristaps 1404:        word(p, "(");
1.15      kristaps 1405:        p->flags |= TERMP_NOSPACE;
                   1406:        return(1);
                   1407: }
                   1408:
                   1409:
                   1410: /* ARGSUSED */
                   1411: static void
                   1412: termp_pq_post(DECL_ARGS)
                   1413: {
                   1414:
                   1415:        if (MDOC_BODY != node->type)
                   1416:                return;
                   1417:        word(p, ")");
                   1418: }
                   1419:
                   1420:
1.16      kristaps 1421: /* ARGSUSED */
                   1422: static int
                   1423: termp_fo_pre(DECL_ARGS)
                   1424: {
                   1425:        const struct mdoc_node *n;
                   1426:
                   1427:        if (MDOC_BODY == node->type) {
                   1428:                word(p, "(");
                   1429:                p->flags |= TERMP_NOSPACE;
                   1430:                return(1);
                   1431:        } else if (MDOC_HEAD != node->type)
                   1432:                return(1);
                   1433:
1.17      kristaps 1434:        /* XXX - groff shows only first parameter */
                   1435:
1.16      kristaps 1436:        p->flags |= ttypes[TTYPE_FUNC_NAME];
                   1437:        for (n = node->child; n; n = n->next) {
                   1438:                assert(MDOC_TEXT == n->type);
                   1439:                word(p, n->data.text.string);
                   1440:        }
                   1441:        p->flags &= ~ttypes[TTYPE_FUNC_NAME];
                   1442:
                   1443:        return(0);
                   1444: }
                   1445:
                   1446:
                   1447: /* ARGSUSED */
                   1448: static void
                   1449: termp_fo_post(DECL_ARGS)
                   1450: {
                   1451:
                   1452:        if (MDOC_BODY != node->type)
                   1453:                return;
                   1454:        word(p, ")");
                   1455:        word(p, ";");
                   1456:        newln(p);
                   1457: }
                   1458:
                   1459:
1.17      kristaps 1460: /* ARGSUSED */
                   1461: static int
                   1462: termp_bf_pre(DECL_ARGS)
                   1463: {
                   1464:        const struct mdoc_node  *n;
                   1465:        const struct mdoc_block *b;
                   1466:
                   1467:        /* XXX - we skip over possible trailing HEAD tokens. */
                   1468:
                   1469:        if (MDOC_HEAD == node->type)
                   1470:                return(0);
                   1471:        else if (MDOC_BLOCK != node->type)
                   1472:                return(1);
                   1473:
                   1474:        b = &node->data.block;
                   1475:
                   1476:        if (NULL == (n = b->head->child)) {
                   1477:                if (arg_hasattr(MDOC_Emphasis, b->argc, b->argv))
1.18      kristaps 1478:                        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
1.17      kristaps 1479:                else if (arg_hasattr(MDOC_Symbolic, b->argc, b->argv))
1.18      kristaps 1480:                        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMB]);
1.17      kristaps 1481:
                   1482:                return(1);
                   1483:        }
                   1484:
                   1485:        assert(MDOC_TEXT == n->type);
                   1486:
                   1487:        if (0 == strcmp("Em", n->data.text.string))
1.18      kristaps 1488:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
1.17      kristaps 1489:        else if (0 == strcmp("Sy", n->data.text.string))
1.18      kristaps 1490:                TERMPAIR_SETFLAG(pair, ttypes[TTYPE_EMPH]);
1.17      kristaps 1491:
                   1492:        return(1);
                   1493: }
                   1494:
                   1495:
                   1496: /* ARGSUSED */
                   1497: static int
                   1498: termp_sy_pre(DECL_ARGS)
                   1499: {
                   1500:
1.18      kristaps 1501:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMB]);
1.17      kristaps 1502:        return(1);
                   1503: }
                   1504:
                   1505:
                   1506: /* ARGSUSED */
                   1507: static int
                   1508: termp_ms_pre(DECL_ARGS)
                   1509: {
                   1510:
1.18      kristaps 1511:        TERMPAIR_SETFLAG(pair, ttypes[TTYPE_SYMBOL]);
1.17      kristaps 1512:        return(1);
                   1513: }
                   1514:
1.22      kristaps 1515:
                   1516:
                   1517: /* ARGSUSED */
                   1518: static int
                   1519: termp_sm_pre(DECL_ARGS)
                   1520: {
                   1521:
                   1522: #if notyet
                   1523:        assert(node->child);
                   1524:        if (0 == strcmp("off", node->child->data.text.string)) {
                   1525:                p->flags &= ~TERMP_NONOSPACE;
                   1526:                p->flags &= ~TERMP_NOSPACE;
                   1527:        } else {
                   1528:                p->flags |= TERMP_NONOSPACE;
                   1529:                p->flags |= TERMP_NOSPACE;
                   1530:        }
                   1531: #endif
                   1532:
                   1533:        return(0);
                   1534: }
1.28      kristaps 1535:
                   1536:
                   1537: /* ARGSUSED */
                   1538: static int
                   1539: termp__t_pre(DECL_ARGS)
                   1540: {
                   1541:
                   1542:        word(p, "\"");
                   1543:        p->flags |= TERMP_NOSPACE;
                   1544:        return(1);
                   1545: }
                   1546:
                   1547:
                   1548: /* ARGSUSED */
                   1549: static void
                   1550: termp__t_post(DECL_ARGS)
                   1551: {
                   1552:
                   1553:        p->flags |= TERMP_NOSPACE;
                   1554:        word(p, "\"");
                   1555:        word(p, node->next ? "," : ".");
                   1556: }
                   1557:
                   1558:
                   1559: /* ARGSUSED */
                   1560: static void
                   1561: termp____post(DECL_ARGS)
                   1562: {
                   1563:
                   1564:        p->flags |= TERMP_NOSPACE;
                   1565:        word(p, node->next ? "," : ".");
                   1566: }

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