/* $Id$ */ /* * Copyright (c) 2009 Kristaps Dzonsons * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the * above copyright notice and this permission notice appear in all * copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include "term.h" /* * Performs actions on nodes of the abstract syntax tree. Both pre- and * post-fix operations are defined here. */ /* FIXME: macro arguments can be escaped. */ #define TTYPE_PROG 0 #define TTYPE_CMD_FLAG 1 #define TTYPE_CMD_ARG 2 #define TTYPE_SECTION 3 #define TTYPE_FUNC_DECL 4 #define TTYPE_VAR_DECL 5 #define TTYPE_FUNC_TYPE 6 #define TTYPE_FUNC_NAME 7 #define TTYPE_FUNC_ARG 8 #define TTYPE_LINK 9 #define TTYPE_SSECTION 10 #define TTYPE_FILE 11 #define TTYPE_EMPH 12 #define TTYPE_CONFIG 13 #define TTYPE_CMD 14 #define TTYPE_INCLUDE 15 #define TTYPE_SYMB 16 #define TTYPE_SYMBOL 17 #define TTYPE_DIAG 18 #define TTYPE_NMAX 19 /* * These define "styles" for element types, like command arguments or * executable names. This is useful when multiple macros must decorate * the same thing (like .Ex -std cmd and .Nm cmd). */ /* TODO: abstract this into mdocterm.c. */ const int ttypes[TTYPE_NMAX] = { TERMP_BOLD, /* TTYPE_PROG */ TERMP_BOLD, /* TTYPE_CMD_FLAG */ TERMP_UNDERLINE, /* TTYPE_CMD_ARG */ TERMP_BOLD, /* TTYPE_SECTION */ TERMP_BOLD, /* TTYPE_FUNC_DECL */ TERMP_UNDERLINE, /* TTYPE_VAR_DECL */ TERMP_UNDERLINE, /* TTYPE_FUNC_TYPE */ TERMP_BOLD, /* TTYPE_FUNC_NAME */ TERMP_UNDERLINE, /* TTYPE_FUNC_ARG */ TERMP_UNDERLINE, /* TTYPE_LINK */ TERMP_BOLD, /* TTYPE_SSECTION */ TERMP_UNDERLINE, /* TTYPE_FILE */ TERMP_UNDERLINE, /* TTYPE_EMPH */ TERMP_BOLD, /* TTYPE_CONFIG */ TERMP_BOLD, /* TTYPE_CMD */ TERMP_BOLD, /* TTYPE_INCLUDE */ TERMP_BOLD, /* TTYPE_SYMB */ TERMP_BOLD, /* TTYPE_SYMBOL */ TERMP_BOLD /* TTYPE_DIAG */ }; static int arg_hasattr(int, size_t, const struct mdoc_arg *); static int arg_getattr(int, size_t, const struct mdoc_arg *); static size_t arg_offset(const struct mdoc_arg *); static size_t arg_width(const struct mdoc_arg *); static int arg_listtype(const struct mdoc_node *); /* * What follows describes prefix and postfix operations for the abstract * syntax tree descent. */ #define DECL_ARGS \ struct termp *p, \ struct termpair *pair, \ const struct mdoc_meta *meta, \ const struct mdoc_node *node #define DECL_PRE(name) \ static int name##_pre(DECL_ARGS) #define DECL_POST(name) \ static void name##_post(DECL_ARGS) #define DECL_PREPOST(name) \ DECL_PRE(name); \ DECL_POST(name); DECL_PREPOST(termp__t); DECL_PREPOST(termp_aq); DECL_PREPOST(termp_bd); DECL_PREPOST(termp_bq); DECL_PREPOST(termp_d1); DECL_PREPOST(termp_dq); DECL_PREPOST(termp_fd); DECL_PREPOST(termp_fn); DECL_PREPOST(termp_fo); DECL_PREPOST(termp_ft); DECL_PREPOST(termp_in); DECL_PREPOST(termp_it); DECL_PREPOST(termp_op); DECL_PREPOST(termp_pf); DECL_PREPOST(termp_pq); DECL_PREPOST(termp_qq); DECL_PREPOST(termp_sh); DECL_PREPOST(termp_ss); DECL_PREPOST(termp_sq); DECL_PREPOST(termp_vt); DECL_PRE(termp_ar); DECL_PRE(termp_at); DECL_PRE(termp_bf); DECL_PRE(termp_bsx); DECL_PRE(termp_bt); DECL_PRE(termp_cd); DECL_PRE(termp_cm); DECL_PRE(termp_em); DECL_PRE(termp_ex); DECL_PRE(termp_fa); DECL_PRE(termp_fl); DECL_PRE(termp_fx); DECL_PRE(termp_ic); DECL_PRE(termp_ms); DECL_PRE(termp_nd); DECL_PRE(termp_nm); DECL_PRE(termp_ns); DECL_PRE(termp_nx); DECL_PRE(termp_ox); DECL_PRE(termp_pa); DECL_PRE(termp_pp); DECL_PRE(termp_rs); DECL_PRE(termp_rv); DECL_PRE(termp_sm); DECL_PRE(termp_st); DECL_PRE(termp_sx); DECL_PRE(termp_sy); DECL_PRE(termp_ud); DECL_PRE(termp_ux); DECL_PRE(termp_va); DECL_PRE(termp_xr); DECL_POST(termp___); DECL_POST(termp_bl); DECL_POST(termp_bx); const struct termact __termacts[MDOC_MAX] = { { NULL, NULL }, /* \" */ { NULL, NULL }, /* Dd */ { NULL, NULL }, /* Dt */ { NULL, NULL }, /* Os */ { termp_sh_pre, termp_sh_post }, /* Sh */ { termp_ss_pre, termp_ss_post }, /* Ss */ { termp_pp_pre, NULL }, /* Pp */ { termp_d1_pre, termp_d1_post }, /* D1 */ { termp_d1_pre, termp_d1_post }, /* Dl */ { termp_bd_pre, termp_bd_post }, /* Bd */ { NULL, NULL }, /* Ed */ { NULL, termp_bl_post }, /* Bl */ { NULL, NULL }, /* El */ { termp_it_pre, termp_it_post }, /* It */ { NULL, NULL }, /* Ad */ { NULL, NULL }, /* An */ { termp_ar_pre, NULL }, /* Ar */ { termp_cd_pre, NULL }, /* Cd */ { termp_cm_pre, NULL }, /* Cm */ { NULL, NULL }, /* Dv */ { NULL, NULL }, /* Er */ { NULL, NULL }, /* Ev */ { termp_ex_pre, NULL }, /* Ex */ { termp_fa_pre, NULL }, /* Fa */ { termp_fd_pre, termp_fd_post }, /* Fd */ { termp_fl_pre, NULL }, /* Fl */ { termp_fn_pre, termp_fn_post }, /* Fn */ { termp_ft_pre, termp_ft_post }, /* Ft */ { termp_ic_pre, NULL }, /* Ic */ { termp_in_pre, termp_in_post }, /* In */ { NULL, NULL }, /* Li */ { termp_nd_pre, NULL }, /* Nd */ { termp_nm_pre, NULL }, /* Nm */ { termp_op_pre, termp_op_post }, /* Op */ { NULL, NULL }, /* Ot */ { termp_pa_pre, NULL }, /* Pa */ { termp_rv_pre, NULL }, /* Rv */ { termp_st_pre, NULL }, /* St */ { termp_va_pre, NULL }, /* Va */ { termp_vt_pre, termp_vt_post }, /* Vt */ { termp_xr_pre, NULL }, /* Xr */ { NULL, termp____post }, /* %A */ { NULL, termp____post }, /* %B */ { NULL, termp____post }, /* %D */ { NULL, termp____post }, /* %I */ { NULL, termp____post }, /* %J */ { NULL, termp____post }, /* %N */ { NULL, termp____post }, /* %O */ { NULL, termp____post }, /* %P */ { NULL, termp____post }, /* %R */ { termp__t_pre, termp__t_post }, /* %T */ { NULL, termp____post }, /* %V */ { NULL, NULL }, /* Ac */ { termp_aq_pre, termp_aq_post }, /* Ao */ { termp_aq_pre, termp_aq_post }, /* Aq */ { termp_at_pre, NULL }, /* At */ { NULL, NULL }, /* Bc */ { termp_bf_pre, NULL }, /* Bf */ { termp_bq_pre, termp_bq_post }, /* Bo */ { termp_bq_pre, termp_bq_post }, /* Bq */ { termp_bsx_pre, NULL }, /* Bsx */ { NULL, termp_bx_post }, /* Bx */ { NULL, NULL }, /* Db */ { NULL, NULL }, /* Dc */ { termp_dq_pre, termp_dq_post }, /* Do */ { termp_dq_pre, termp_dq_post }, /* Dq */ { NULL, NULL }, /* Ec */ { NULL, NULL }, /* Ef */ { termp_em_pre, NULL }, /* Em */ { NULL, NULL }, /* Eo */ { termp_fx_pre, NULL }, /* Fx */ { termp_ms_pre, NULL }, /* Ms */ { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ { termp_nx_pre, NULL }, /* Nx */ { termp_ox_pre, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ { termp_pf_pre, termp_pf_post }, /* Pf */ { termp_pq_pre, termp_pq_post }, /* Po */ { termp_pq_pre, termp_pq_post }, /* Pq */ { NULL, NULL }, /* Qc */ { termp_sq_pre, termp_sq_post }, /* Ql */ { termp_qq_pre, termp_qq_post }, /* Qo */ { termp_qq_pre, termp_qq_post }, /* Qq */ { NULL, NULL }, /* Re */ { termp_rs_pre, NULL }, /* Rs */ { NULL, NULL }, /* Sc */ { termp_sq_pre, termp_sq_post }, /* So */ { termp_sq_pre, termp_sq_post }, /* Sq */ { termp_sm_pre, NULL }, /* Sm */ { termp_sx_pre, NULL }, /* Sx */ { termp_sy_pre, NULL }, /* Sy */ { NULL, NULL }, /* Tn */ { termp_ux_pre, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ { termp_fo_pre, termp_fo_post }, /* Fo */ { NULL, NULL }, /* Fc */ { termp_op_pre, termp_op_post }, /* Oo */ { NULL, NULL }, /* Oc */ { NULL, NULL }, /* Bk */ { NULL, NULL }, /* Ek */ { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ { NULL, NULL }, /* Fr */ { termp_ud_pre, NULL }, /* Ud */ }; const struct termact *termacts = __termacts; static size_t arg_width(const struct mdoc_arg *arg) { size_t v; int i, len; assert(*arg->value); if (0 == strcmp(*arg->value, "indent")) return(INDENT); if (0 == strcmp(*arg->value, "indent-two")) return(INDENT * 2); len = (int)strlen(*arg->value); assert(len > 0); for (i = 0; i < len - 1; i++) if ( ! isdigit((int)(*arg->value)[i])) break; if (i == len - 1) { if ('n' == (*arg->value)[len - 1]) { v = (size_t)atoi(*arg->value); return(v); } } return(strlen(*arg->value) + 1); } static int arg_listtype(const struct mdoc_node *n) { const struct mdoc_block *bl; int i, len; bl = &n->data.block; len = (int)bl->argc; for (i = 0; i < len; i++) switch (bl->argv[i].arg) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): /* FALLTHROUGH */ case (MDOC_Inset): /* FALLTHROUGH */ case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Ohang): return(bl->argv[i].arg); default: break; } errx(1, "list type not supported"); /* NOTREACHED */ } static size_t arg_offset(const struct mdoc_arg *arg) { /* TODO */ assert(*arg->value); if (0 == strcmp(*arg->value, "indent")) return(INDENT); if (0 == strcmp(*arg->value, "indent-two")) return(INDENT * 2); return(strlen(*arg->value)); } static int arg_hasattr(int arg, size_t argc, const struct mdoc_arg *argv) { return(-1 != arg_getattr(arg, argc, argv)); } static int arg_getattr(int arg, size_t argc, const struct mdoc_arg *argv) { int i; for (i = 0; i < (int)argc; i++) if (argv[i].arg == arg) return(i); return(-1); } /* ARGSUSED */ static int termp_dq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "``"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_dq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; word(p, "''"); } /* ARGSUSED */ static int termp_it_pre_block(DECL_ARGS) { const struct mdoc_node *n; const struct mdoc_block *bl; n = node->parent->parent; bl = &n->data.block; newln(p); if ( ! arg_hasattr(MDOC_Compact, bl->argc, bl->argv)) if (node->prev || n->prev) vspace(p); return(1); } /* ARGSUSED */ static int termp_it_pre(DECL_ARGS) { const struct mdoc_block *bl; char buf[7]; int i, type; size_t width, offset; if (MDOC_BLOCK == node->type) return(termp_it_pre_block(p, pair, meta, node)); /* Get ptr to list block, type, etc. */ bl = &node->parent->parent->parent->data.block; type = arg_listtype(node->parent->parent->parent); /* Save parent attributes. */ pair->offset = p->offset; pair->rmargin = p->rmargin; pair->flag = p->flags; /* Get list width and offset. */ i = arg_getattr(MDOC_Width, bl->argc, bl->argv); width = i >= 0 ? arg_width(&bl->argv[i]) : 0; i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); offset = i >= 0 ? arg_offset(&bl->argv[i]) : 0; /* * List-type can override the width in the case of fixed-head * values (bullet, dash/hyphen, enum). Tags need a non-zero * offset. */ switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): width = width > 4 ? width : 4; break; case (MDOC_Tag): if (width) break; errx(1, "need non-zero %s for list type", mdoc_argnames[MDOC_Width]); default: break; } /* * Whitespace control. Inset bodies need an initial space. */ switch (type) { case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Inset): if (MDOC_BODY == node->type) p->flags &= ~TERMP_NOSPACE; else p->flags |= TERMP_NOSPACE; break; default: p->flags |= TERMP_NOSPACE; break; } /* * Style flags. Diagnostic heads need TTYPE_DIAG. */ switch (type) { case (MDOC_Diag): if (MDOC_HEAD == node->type) p->flags |= ttypes[TTYPE_DIAG]; break; default: break; } /* * Pad and break control. This is the tricker part. Lists with * set right-margins for the head get TERMP_NOBREAK because, if * they overrun the margin, they wrap to the new margin. * Correspondingly, the body for these types don't left-pad, as * the head will pad out to to the right. */ switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): if (MDOC_HEAD == node->type) p->flags |= TERMP_NOBREAK; else p->flags |= TERMP_NOLPAD; break; case (MDOC_Diag): if (MDOC_HEAD == node->type) p->flags |= TERMP_NOBREAK; break; default: break; } /* * Margin control. Set-head-width lists have their right * margins shortened. The body for these lists has the offset * necessarily lengthened. Everybody gets the offset. */ p->offset += offset; switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Enum): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Tag): if (MDOC_HEAD == node->type) p->rmargin = p->offset + width; else p->offset += width; /* FALLTHROUGH */ default: break; } /* * The dash, hyphen, bullet and enum lists all have a special * HEAD character. Print it now. */ if (MDOC_HEAD == node->type) switch (type) { case (MDOC_Bullet): word(p, "\\[bu]"); break; case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Hyphen): word(p, "\\-"); break; case (MDOC_Enum): /* TODO: have a wordfmt or something. */ (pair->ppair->ppair->count)++; (void)snprintf(buf, sizeof(buf), "%d.", pair->ppair->ppair->count); word(p, buf); break; default: break; } /* * If we're not going to process our header children, indicate * so here. */ if (MDOC_HEAD == node->type) switch (type) { case (MDOC_Bullet): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Dash): /* FALLTHROUGH */ case (MDOC_Hyphen): /* FALLTHROUGH */ case (MDOC_Enum): return(0); default: break; } return(1); } /* ARGSUSED */ static void termp_it_post(DECL_ARGS) { int type; if (MDOC_BODY != node->type && MDOC_HEAD != node->type) return; type = arg_listtype(node->parent->parent->parent); switch (type) { case (MDOC_Diag): /* FALLTHROUGH */ case (MDOC_Item): /* FALLTHROUGH */ case (MDOC_Inset): if (MDOC_BODY != node->type) break; flushln(p); break; default: flushln(p); break; } p->offset = pair->offset; p->rmargin = pair->rmargin; p->flags = pair->flag; } /* ARGSUSED */ static int termp_nm_pre(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) newln(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); if (NULL == node->child) word(p, meta->name); return(1); } /* ARGSUSED */ static int termp_fl_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); word(p, "\\-"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp_ar_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); if (NULL == node->child) { word(p, "file"); word(p, "..."); } return(1); } /* ARGSUSED */ static int termp_ns_pre(DECL_ARGS) { p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp_pp_pre(DECL_ARGS) { vspace(p); return(1); } /* ARGSUSED */ static int termp_st_pre(DECL_ARGS) { const char *tp; assert(1 == node->data.elem.argc); tp = mdoc_st2a(node->data.elem.argv[0].arg); word(p, tp); return(1); } /* ARGSUSED */ static int termp_rs_pre(DECL_ARGS) { if (MDOC_BLOCK == node->type && node->prev) vspace(p); return(1); } /* ARGSUSED */ static int termp_rv_pre(DECL_ARGS) { int i; i = arg_getattr(MDOC_Std, node->data.elem.argc, node->data.elem.argv); assert(i >= 0); newln(p); word(p, "The"); p->flags |= ttypes[TTYPE_FUNC_NAME]; word(p, *node->data.elem.argv[i].value); p->flags &= ~ttypes[TTYPE_FUNC_NAME]; word(p, "() function returns the value 0 if successful;"); word(p, "otherwise the value -1 is returned and the"); word(p, "global variable"); p->flags |= ttypes[TTYPE_VAR_DECL]; word(p, "errno"); p->flags &= ~ttypes[TTYPE_VAR_DECL]; word(p, "is set to indicate the error."); return(1); } /* ARGSUSED */ static int termp_ex_pre(DECL_ARGS) { int i; i = arg_getattr(MDOC_Std, node->data.elem.argc, node->data.elem.argv); assert(i >= 0); word(p, "The"); p->flags |= ttypes[TTYPE_PROG]; word(p, *node->data.elem.argv[i].value); p->flags &= ~ttypes[TTYPE_PROG]; word(p, "utility exits 0 on success, and >0 if an error occurs."); return(1); } /* ARGSUSED */ static int termp_nd_pre(DECL_ARGS) { word(p, "\\-"); return(1); } /* ARGSUSED */ static void termp_bl_post(DECL_ARGS) { if (MDOC_BLOCK == node->type) newln(p); } /* ARGSUSED */ static void termp_op_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; word(p, "\\(rB"); } /* ARGSUSED */ static int termp_xr_pre(DECL_ARGS) { const struct mdoc_node *n; n = node->child; assert(n); assert(MDOC_TEXT == n->type); word(p, n->data.text.string); if (NULL == (n = n->next)) return(0); assert(MDOC_TEXT == n->type); p->flags |= TERMP_NOSPACE; word(p, "("); p->flags |= TERMP_NOSPACE; word(p, n->data.text.string); p->flags |= TERMP_NOSPACE; word(p, ")"); return(0); } /* ARGSUSED */ static int termp_vt_pre(DECL_ARGS) { /* FIXME: this can be "type name". */ TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); return(1); } /* ARGSUSED */ static void termp_vt_post(DECL_ARGS) { if (node->sec == SEC_SYNOPSIS) vspace(p); } /* ARGSUSED */ static int termp_fd_pre(DECL_ARGS) { /* * FIXME: this naming is bad. This value is used, in general, * for the #include header or other preprocessor statement. */ TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_DECL]); return(1); } /* ARGSUSED */ static void termp_fd_post(DECL_ARGS) { if (node->sec != SEC_SYNOPSIS) return; newln(p); if (node->next && MDOC_Fd != node->next->tok) vspace(p); } /* ARGSUSED */ static int termp_sh_pre(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): vspace(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); break; case (MDOC_BODY): p->offset = INDENT; break; default: break; } return(1); } /* ARGSUSED */ static void termp_sh_post(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): newln(p); break; case (MDOC_BODY): newln(p); p->offset = 0; break; default: break; } } /* ARGSUSED */ static int termp_op_pre(DECL_ARGS) { switch (node->type) { case (MDOC_BODY): word(p, "\\(lB"); p->flags |= TERMP_NOSPACE; break; default: break; } return(1); } /* ARGSUSED */ static int termp_bt_pre(DECL_ARGS) { word(p, "is currently in beta test."); return(1); } /* ARGSUSED */ static int termp_ud_pre(DECL_ARGS) { word(p, "currently under development."); return(1); } /* ARGSUSED */ static int termp_d1_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); newln(p); p->offset += (pair->offset = INDENT); return(1); } /* ARGSUSED */ static void termp_d1_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; newln(p); p->offset -= pair->offset; } /* ARGSUSED */ static int termp_aq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "\\(la"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_aq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; word(p, "\\(ra"); } /* ARGSUSED */ static int termp_ft_pre(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) if (node->prev && MDOC_Fo == node->prev->tok) vspace(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); return(1); } /* ARGSUSED */ static void termp_ft_post(DECL_ARGS) { if (SEC_SYNOPSIS == node->sec) newln(p); } /* ARGSUSED */ static int termp_fn_pre(DECL_ARGS) { const struct mdoc_node *n; assert(node->child); assert(MDOC_TEXT == node->child->type); /* FIXME: can be "type funcname" "type varname"... */ p->flags |= ttypes[TTYPE_FUNC_NAME]; word(p, node->child->data.text.string); p->flags &= ~ttypes[TTYPE_FUNC_NAME]; word(p, "("); p->flags |= TERMP_NOSPACE; for (n = node->child->next; n; n = n->next) { assert(MDOC_TEXT == n->type); p->flags |= ttypes[TTYPE_FUNC_ARG]; word(p, n->data.text.string); p->flags &= ~ttypes[TTYPE_FUNC_ARG]; if (n->next) word(p, ","); } word(p, ")"); if (SEC_SYNOPSIS == node->sec) word(p, ";"); return(0); } /* ARGSUSED */ static void termp_fn_post(DECL_ARGS) { if (node->sec == SEC_SYNOPSIS && node->next) vspace(p); } /* ARGSUSED */ static int termp_sx_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK]); return(1); } /* ARGSUSED */ static int termp_fa_pre(DECL_ARGS) { struct mdoc_node *n; if (node->parent->tok != MDOC_Fo) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); return(1); } for (n = node->child; n; n = n->next) { assert(MDOC_TEXT == n->type); p->flags |= ttypes[TTYPE_FUNC_ARG]; word(p, n->data.text.string); p->flags &= ~ttypes[TTYPE_FUNC_ARG]; if (n->next) word(p, ","); } if (node->next && node->next->tok == MDOC_Fa) word(p, ","); return(0); } /* ARGSUSED */ static int termp_va_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); return(1); } /* ARGSUSED */ static int termp_bd_pre(DECL_ARGS) { const struct mdoc_block *bl; const struct mdoc_node *n; int i, type; if (MDOC_BLOCK == node->type) { if (node->prev) vspace(p); return(1); } else if (MDOC_BODY != node->type) return(1); pair->offset = p->offset; bl = &node->parent->data.block; for (type = -1, i = 0; i < (int)bl->argc; i++) { switch (bl->argv[i].arg) { case (MDOC_Ragged): /* FALLTHROUGH */ case (MDOC_Filled): /* FALLTHROUGH */ case (MDOC_Unfilled): /* FALLTHROUGH */ case (MDOC_Literal): type = bl->argv[i].arg; i = (int)bl->argc; break; default: errx(1, "display type not supported"); } } assert(-1 != type); i = arg_getattr(MDOC_Offset, bl->argc, bl->argv); if (-1 != i) { assert(1 == bl->argv[i].sz); p->offset += arg_offset(&bl->argv[i]); } switch (type) { case (MDOC_Literal): /* FALLTHROUGH */ case (MDOC_Unfilled): break; default: return(1); } p->flags |= TERMP_LITERAL; for (n = node->child; n; n = n->next) { if (MDOC_TEXT != n->type) { warnx("non-text children not yet allowed"); continue; } word(p, n->data.text.string); flushln(p); } return(0); } /* ARGSUSED */ static void termp_bd_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; if ( ! (p->flags & TERMP_LITERAL)) flushln(p); p->flags &= ~TERMP_LITERAL; p->offset = pair->offset; } /* ARGSUSED */ static int termp_qq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "\""); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_qq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; word(p, "\""); } /* ARGSUSED */ static int termp_bsx_pre(DECL_ARGS) { word(p, "BSDI BSD/OS"); return(1); } /* ARGSUSED */ static void termp_bx_post(DECL_ARGS) { if (node->child) p->flags |= TERMP_NOSPACE; word(p, "BSD"); } /* ARGSUSED */ static int termp_ox_pre(DECL_ARGS) { word(p, "OpenBSD"); return(1); } /* ARGSUSED */ static int termp_ux_pre(DECL_ARGS) { word(p, "UNIX"); return(1); } /* ARGSUSED */ static int termp_fx_pre(DECL_ARGS) { word(p, "FreeBSD"); return(1); } /* ARGSUSED */ static int termp_nx_pre(DECL_ARGS) { word(p, "NetBSD"); return(1); } /* ARGSUSED */ static int termp_sq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "`"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_sq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; p->flags |= TERMP_NOSPACE; word(p, "\'"); } /* ARGSUSED */ static int termp_pf_pre(DECL_ARGS) { p->flags |= TERMP_IGNDELIM; return(1); } /* ARGSUSED */ static void termp_pf_post(DECL_ARGS) { p->flags &= ~TERMP_IGNDELIM; p->flags |= TERMP_NOSPACE; } /* ARGSUSED */ static int termp_ss_pre(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): vspace(p); TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); p->offset = INDENT / 2; break; default: break; } return(1); } /* ARGSUSED */ static void termp_ss_post(DECL_ARGS) { switch (node->type) { case (MDOC_HEAD): newln(p); p->offset = INDENT; break; default: break; } } /* ARGSUSED */ static int termp_pa_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FILE]); return(1); } /* ARGSUSED */ static int termp_em_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); return(1); } /* ARGSUSED */ static int termp_cd_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CONFIG]); newln(p); return(1); } /* ARGSUSED */ static int termp_cm_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); return(1); } /* ARGSUSED */ static int termp_ic_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD]); return(1); } /* ARGSUSED */ static int termp_in_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_INCLUDE]); word(p, "#include"); word(p, "<"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_in_post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; word(p, ">"); newln(p); if (SEC_SYNOPSIS != node->sec) return; if (node->next && MDOC_In != node->next->tok) vspace(p); } /* ARGSUSED */ static int termp_at_pre(DECL_ARGS) { enum mdoc_att c; c = ATT_DEFAULT; if (node->child) { assert(MDOC_TEXT == node->child->type); c = mdoc_atoatt(node->child->data.text.string); } word(p, mdoc_att2a(c)); return(0); } /* ARGSUSED */ static int termp_bq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "["); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_bq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; word(p, "]"); } /* ARGSUSED */ static int termp_pq_pre(DECL_ARGS) { if (MDOC_BODY != node->type) return(1); word(p, "\\&("); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp_pq_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; word(p, ")"); } /* ARGSUSED */ static int termp_fo_pre(DECL_ARGS) { const struct mdoc_node *n; if (MDOC_BODY == node->type) { word(p, "("); p->flags |= TERMP_NOSPACE; return(1); } else if (MDOC_HEAD != node->type) return(1); /* XXX - groff shows only first parameter */ p->flags |= ttypes[TTYPE_FUNC_NAME]; for (n = node->child; n; n = n->next) { assert(MDOC_TEXT == n->type); word(p, n->data.text.string); } p->flags &= ~ttypes[TTYPE_FUNC_NAME]; return(0); } /* ARGSUSED */ static void termp_fo_post(DECL_ARGS) { if (MDOC_BODY != node->type) return; word(p, ")"); word(p, ";"); newln(p); } /* ARGSUSED */ static int termp_bf_pre(DECL_ARGS) { const struct mdoc_node *n; const struct mdoc_block *b; /* XXX - we skip over possible trailing HEAD tokens. */ if (MDOC_HEAD == node->type) return(0); else if (MDOC_BLOCK != node->type) return(1); b = &node->data.block; if (NULL == (n = b->head->child)) { if (arg_hasattr(MDOC_Emphasis, b->argc, b->argv)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); else if (arg_hasattr(MDOC_Symbolic, b->argc, b->argv)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); return(1); } assert(MDOC_TEXT == n->type); if (0 == strcmp("Em", n->data.text.string)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); else if (0 == strcmp("Sy", n->data.text.string)) TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); return(1); } /* ARGSUSED */ static int termp_sy_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); return(1); } /* ARGSUSED */ static int termp_ms_pre(DECL_ARGS) { TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); return(1); } /* ARGSUSED */ static int termp_sm_pre(DECL_ARGS) { #if notyet assert(node->child); if (0 == strcmp("off", node->child->data.text.string)) { p->flags &= ~TERMP_NONOSPACE; p->flags &= ~TERMP_NOSPACE; } else { p->flags |= TERMP_NONOSPACE; p->flags |= TERMP_NOSPACE; } #endif return(0); } /* ARGSUSED */ static int termp__t_pre(DECL_ARGS) { word(p, "\""); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static void termp__t_post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; word(p, "\""); word(p, node->next ? "," : "."); } /* ARGSUSED */ static void termp____post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; word(p, node->next ? "," : "."); }