=================================================================== RCS file: /cvs/mandoc/mdoc_term.c,v retrieving revision 1.17 retrieving revision 1.319 diff -u -p -r1.17 -r1.319 --- mandoc/mdoc_term.c 2009/06/22 12:38:07 1.17 +++ mandoc/mdoc_term.c 2015/04/18 17:53:21 1.319 @@ -1,234 +1,175 @@ -/* $Id: mdoc_term.c,v 1.17 2009/06/22 12:38:07 kristaps Exp $ */ +/* $Id: mdoc_term.c,v 1.319 2015/04/18 17:53:21 schwarze Exp $ */ /* - * Copyright (c) 2008, 2009 Kristaps Dzonsons + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons + * Copyright (c) 2010, 2012-2015 Ingo Schwarze + * Copyright (c) 2013 Franco Fichtner * * 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 + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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 "config.h" + #include #include #include -#include +#include +#include #include #include #include -#include "term.h" +#include "mandoc_aux.h" +#include "mandoc.h" +#include "roff.h" #include "mdoc.h" +#include "out.h" +#include "term.h" +#include "main.h" -/* FIXME: macro arguments can be escaped. */ -/* FIXME: support more offset/width tokens. */ - -#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_LINK_ANCHOR 19 -#define TTYPE_LINK_TEXT 20 -#define TTYPE_REF_JOURNAL 21 -#define TTYPE_LIST 22 -#define TTYPE_NMAX 23 - -const int ttypes[TTYPE_NMAX] = { - TERMP_BOLD, /* TTYPE_PROG */ - TERMP_BOLD, /* TTYPE_CMD_FLAG */ - TERMP_UNDER, /* TTYPE_CMD_ARG */ - TERMP_BOLD, /* TTYPE_SECTION */ - TERMP_BOLD, /* TTYPE_FUNC_DECL */ - TERMP_UNDER, /* TTYPE_VAR_DECL */ - TERMP_UNDER, /* TTYPE_FUNC_TYPE */ - TERMP_BOLD, /* TTYPE_FUNC_NAME */ - TERMP_UNDER, /* TTYPE_FUNC_ARG */ - TERMP_UNDER, /* TTYPE_LINK */ - TERMP_BOLD, /* TTYPE_SSECTION */ - TERMP_UNDER, /* TTYPE_FILE */ - TERMP_UNDER, /* 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 */ - TERMP_UNDER, /* TTYPE_LINK_ANCHOR */ - TERMP_BOLD, /* TTYPE_LINK_TEXT */ - TERMP_UNDER, /* TTYPE_REF_JOURNAL */ - TERMP_BOLD /* TTYPE_LIST */ -}; - -/* XXX - clean this up. */ - struct termpair { struct termpair *ppair; - int type; -#define TERMPAIR_FLAG (1 << 0) - int flag; /* Whether being used. */ - size_t offset; /* Left margin. */ - size_t rmargin; /* Right margin. */ - int count; /* Enum count. */ + int count; }; -#define TERMPAIR_SETFLAG(termp, p, fl) \ - do { \ - assert(! (TERMPAIR_FLAG & (p)->type)); \ - (termp)->flags |= (fl); \ - (p)->flag = (fl); \ - (p)->type |= TERMPAIR_FLAG; \ - } while ( /* CONSTCOND */ 0) +#define DECL_ARGS struct termp *p, \ + struct termpair *pair, \ + const struct roff_meta *meta, \ + struct roff_node *n -#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_brq); -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_lb); -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__j); -DECL_PRE(termp_ap); -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_dx); -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_lk); -DECL_PRE(termp_ms); -DECL_PRE(termp_mt); -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); - struct termact { int (*pre)(DECL_ARGS); void (*post)(DECL_ARGS); }; -static const struct termact termacts[MDOC_MAX] = { +static int a2width(const struct termp *, const char *); + +static void print_bvspace(struct termp *, + const struct roff_node *, + const struct roff_node *); +static void print_mdoc_node(DECL_ARGS); +static void print_mdoc_nodelist(DECL_ARGS); +static void print_mdoc_head(struct termp *, const struct roff_meta *); +static void print_mdoc_foot(struct termp *, const struct roff_meta *); +static void synopsis_pre(struct termp *, + const struct roff_node *); + +static void termp____post(DECL_ARGS); +static void termp__t_post(DECL_ARGS); +static void termp_bd_post(DECL_ARGS); +static void termp_bk_post(DECL_ARGS); +static void termp_bl_post(DECL_ARGS); +static void termp_eo_post(DECL_ARGS); +static void termp_fd_post(DECL_ARGS); +static void termp_fo_post(DECL_ARGS); +static void termp_in_post(DECL_ARGS); +static void termp_it_post(DECL_ARGS); +static void termp_lb_post(DECL_ARGS); +static void termp_nm_post(DECL_ARGS); +static void termp_pf_post(DECL_ARGS); +static void termp_quote_post(DECL_ARGS); +static void termp_sh_post(DECL_ARGS); +static void termp_ss_post(DECL_ARGS); + +static int termp__a_pre(DECL_ARGS); +static int termp__t_pre(DECL_ARGS); +static int termp_an_pre(DECL_ARGS); +static int termp_ap_pre(DECL_ARGS); +static int termp_bd_pre(DECL_ARGS); +static int termp_bf_pre(DECL_ARGS); +static int termp_bk_pre(DECL_ARGS); +static int termp_bl_pre(DECL_ARGS); +static int termp_bold_pre(DECL_ARGS); +static int termp_bt_pre(DECL_ARGS); +static int termp_bx_pre(DECL_ARGS); +static int termp_cd_pre(DECL_ARGS); +static int termp_d1_pre(DECL_ARGS); +static int termp_eo_pre(DECL_ARGS); +static int termp_ex_pre(DECL_ARGS); +static int termp_fa_pre(DECL_ARGS); +static int termp_fd_pre(DECL_ARGS); +static int termp_fl_pre(DECL_ARGS); +static int termp_fn_pre(DECL_ARGS); +static int termp_fo_pre(DECL_ARGS); +static int termp_ft_pre(DECL_ARGS); +static int termp_in_pre(DECL_ARGS); +static int termp_it_pre(DECL_ARGS); +static int termp_li_pre(DECL_ARGS); +static int termp_ll_pre(DECL_ARGS); +static int termp_lk_pre(DECL_ARGS); +static int termp_nd_pre(DECL_ARGS); +static int termp_nm_pre(DECL_ARGS); +static int termp_ns_pre(DECL_ARGS); +static int termp_quote_pre(DECL_ARGS); +static int termp_rs_pre(DECL_ARGS); +static int termp_rv_pre(DECL_ARGS); +static int termp_sh_pre(DECL_ARGS); +static int termp_skip_pre(DECL_ARGS); +static int termp_sm_pre(DECL_ARGS); +static int termp_sp_pre(DECL_ARGS); +static int termp_ss_pre(DECL_ARGS); +static int termp_under_pre(DECL_ARGS); +static int termp_ud_pre(DECL_ARGS); +static int termp_vt_pre(DECL_ARGS); +static int termp_xr_pre(DECL_ARGS); +static int termp_xx_pre(DECL_ARGS); + +static const struct termact termacts[MDOC_MAX] = { { termp_ap_pre, NULL }, /* Ap */ { 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_ss_pre, termp_ss_post }, /* Ss */ + { termp_sp_pre, NULL }, /* Pp */ + { termp_d1_pre, termp_bl_post }, /* D1 */ + { termp_d1_pre, termp_bl_post }, /* Dl */ { termp_bd_pre, termp_bd_post }, /* Bd */ { NULL, NULL }, /* Ed */ - { NULL, termp_bl_post }, /* Bl */ + { termp_bl_pre, 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_under_pre, NULL }, /* Ad */ + { termp_an_pre, NULL }, /* An */ + { termp_under_pre, NULL }, /* Ar */ { termp_cd_pre, NULL }, /* Cd */ - { termp_cm_pre, NULL }, /* Cm */ - { NULL, NULL }, /* Dv */ - { NULL, NULL }, /* Er */ - { NULL, NULL }, /* Ev */ + { termp_bold_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_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_fn_pre, NULL }, /* Fn */ + { termp_ft_pre, NULL }, /* Ft */ + { termp_bold_pre, NULL }, /* Ic */ + { termp_in_pre, termp_in_post }, /* In */ + { termp_li_pre, NULL }, /* Li */ + { termp_nd_pre, NULL }, /* Nd */ + { termp_nm_pre, termp_nm_post }, /* Nm */ + { termp_quote_pre, termp_quote_post }, /* Op */ + { termp_ft_pre, NULL }, /* Ot */ + { termp_under_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 */ + { NULL, NULL }, /* St */ + { termp_under_pre, NULL }, /* Va */ + { termp_vt_pre, NULL }, /* Vt */ { termp_xr_pre, NULL }, /* Xr */ - { NULL, termp____post }, /* %A */ - { NULL, termp____post }, /* %B */ + { termp__a_pre, termp____post }, /* %A */ + { termp_under_pre, termp____post }, /* %B */ { NULL, termp____post }, /* %D */ - { NULL, termp____post }, /* %I */ - { termp__j_pre, termp____post }, /* %J */ + { termp_under_pre, termp____post }, /* %I */ + { termp_under_pre, termp____post }, /* %J */ { NULL, termp____post }, /* %N */ { NULL, termp____post }, /* %O */ { NULL, termp____post }, /* %P */ @@ -236,173 +177,241 @@ static const struct termact termacts[MDOC_MAX] = { { 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 */ + { termp_quote_pre, termp_quote_post }, /* Ao */ + { termp_quote_pre, termp_quote_post }, /* Aq */ + { NULL, 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 */ + { termp_bf_pre, NULL }, /* Bf */ + { termp_quote_pre, termp_quote_post }, /* Bo */ + { termp_quote_pre, termp_quote_post }, /* Bq */ + { termp_xx_pre, NULL }, /* Bsx */ + { termp_bx_pre, NULL }, /* Bx */ + { termp_skip_pre, NULL }, /* Db */ { NULL, NULL }, /* Dc */ - { termp_dq_pre, termp_dq_post }, /* Do */ - { termp_dq_pre, termp_dq_post }, /* Dq */ - { NULL, NULL }, /* Ec */ + { termp_quote_pre, termp_quote_post }, /* Do */ + { termp_quote_pre, termp_quote_post }, /* Dq */ + { NULL, NULL }, /* Ec */ /* FIXME: no space */ { 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_under_pre, NULL }, /* Em */ + { termp_eo_pre, termp_eo_post }, /* Eo */ + { termp_xx_pre, NULL }, /* Fx */ + { termp_bold_pre, NULL }, /* Ms */ + { termp_li_pre, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ - { termp_nx_pre, NULL }, /* Nx */ - { termp_ox_pre, NULL }, /* Ox */ + { termp_xx_pre, NULL }, /* Nx */ + { termp_xx_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, termp_pf_post }, /* Pf */ + { termp_quote_pre, termp_quote_post }, /* Po */ + { termp_quote_pre, termp_quote_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 */ + { termp_quote_pre, termp_quote_post }, /* Ql */ + { termp_quote_pre, termp_quote_post }, /* Qo */ + { termp_quote_pre, termp_quote_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_quote_pre, termp_quote_post }, /* So */ + { termp_quote_pre, termp_quote_post }, /* Sq */ { termp_sm_pre, NULL }, /* Sm */ - { termp_sx_pre, NULL }, /* Sx */ - { termp_sy_pre, NULL }, /* Sy */ + { termp_under_pre, NULL }, /* Sx */ + { termp_bold_pre, NULL }, /* Sy */ { NULL, NULL }, /* Tn */ - { termp_ux_pre, NULL }, /* Ux */ + { termp_xx_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 */ + { termp_fo_pre, termp_fo_post }, /* Fo */ + { NULL, NULL }, /* Fc */ + { termp_quote_pre, termp_quote_post }, /* Oo */ { NULL, NULL }, /* Oc */ - { NULL, NULL }, /* Bk */ + { termp_bk_pre, termp_bk_post }, /* Bk */ { NULL, NULL }, /* Ek */ { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ - { NULL, NULL }, /* Fr */ + { termp_under_pre, NULL }, /* Fr */ { termp_ud_pre, NULL }, /* Ud */ - { termp_lb_pre, termp_lb_post }, /* Lb */ - { termp_pp_pre, NULL }, /* Lp */ - { termp_lk_pre, NULL }, /* Lk */ - { termp_mt_pre, NULL }, /* Mt */ - { termp_brq_pre, termp_brq_post }, /* Brq */ - { termp_brq_pre, termp_brq_post }, /* Bro */ - { NULL, NULL }, /* Brc */ - { NULL, NULL }, /* %C */ - { NULL, NULL }, /* Es */ - { NULL, NULL }, /* En */ - { termp_dx_pre, NULL }, /* Dx */ - { NULL, NULL }, /* %Q */ + { NULL, termp_lb_post }, /* Lb */ + { termp_sp_pre, NULL }, /* Lp */ + { termp_lk_pre, NULL }, /* Lk */ + { termp_under_pre, NULL }, /* Mt */ + { termp_quote_pre, termp_quote_post }, /* Brq */ + { termp_quote_pre, termp_quote_post }, /* Bro */ + { NULL, NULL }, /* Brc */ + { NULL, termp____post }, /* %C */ + { termp_skip_pre, NULL }, /* Es */ + { termp_quote_pre, termp_quote_post }, /* En */ + { termp_xx_pre, NULL }, /* Dx */ + { NULL, termp____post }, /* %Q */ + { termp_sp_pre, NULL }, /* br */ + { termp_sp_pre, NULL }, /* sp */ + { NULL, termp____post }, /* %U */ + { NULL, NULL }, /* Ta */ + { termp_ll_pre, NULL }, /* ll */ }; -#ifdef __linux__ -extern size_t strlcpy(char *, const char *, size_t); -extern size_t strlcat(char *, const char *, size_t); -#endif -static int arg_hasattr(int, const struct mdoc_node *); -static int arg_getattrs(const int *, int *, size_t, - const struct mdoc_node *); -static int arg_getattr(int, const struct mdoc_node *); -static size_t arg_offset(const struct mdoc_argv *); -static size_t arg_width(const struct mdoc_argv *, int); -static int arg_listtype(const struct mdoc_node *); -static int fmt_block_vspace(struct termp *, - const struct mdoc_node *, - const struct mdoc_node *); -static void print_node(DECL_ARGS); -static void print_head(struct termp *, - const struct mdoc_meta *); -static void print_body(DECL_ARGS); -static void print_foot(struct termp *, - const struct mdoc_meta *); - - -int -mdoc_run(struct termp *p, const struct mdoc *m) +void +terminal_mdoc(void *arg, const struct roff_man *mdoc) { - /* - * Main output function. When this is called, assume that the - * tree is properly formed. - */ + struct roff_node *n; + struct termp *p; - print_head(p, mdoc_meta(m)); - assert(mdoc_node(m)); - assert(MDOC_ROOT == mdoc_node(m)->type); - if (mdoc_node(m)->child) - print_body(p, NULL, mdoc_meta(m), mdoc_node(m)->child); - print_foot(p, mdoc_meta(m)); - return(1); + p = (struct termp *)arg; + p->overstep = 0; + p->rmargin = p->maxrmargin = p->defrmargin; + p->tabwidth = term_len(p, 5); + + n = mdoc->first->child; + if (p->synopsisonly) { + while (n != NULL) { + if (n->tok == MDOC_Sh && n->sec == SEC_SYNOPSIS) { + if (n->child->next->child != NULL) + print_mdoc_nodelist(p, NULL, + &mdoc->meta, + n->child->next->child); + term_newln(p); + break; + } + n = n->next; + } + } else { + if (p->defindent == 0) + p->defindent = 5; + term_begin(p, print_mdoc_head, print_mdoc_foot, + &mdoc->meta); + if (n != NULL) { + if (n->tok != MDOC_Sh) + term_vspace(p); + print_mdoc_nodelist(p, NULL, &mdoc->meta, n); + } + term_end(p); + } } - static void -print_body(DECL_ARGS) +print_mdoc_nodelist(DECL_ARGS) { - print_node(p, pair, meta, node); - if ( ! node->next) - return; - print_body(p, pair, meta, node->next); + while (n != NULL) { + print_mdoc_node(p, pair, meta, n); + n = n->next; + } } - static void -print_node(DECL_ARGS) +print_mdoc_node(DECL_ARGS) { - int dochild; + int chld; struct termpair npair; + size_t offset, rmargin; - /* Pre-processing. */ + chld = 1; + offset = p->offset; + rmargin = p->rmargin; + n->flags &= ~MDOC_ENDED; + n->prev_font = p->fonti; - dochild = 1; + memset(&npair, 0, sizeof(struct termpair)); npair.ppair = pair; - npair.type = 0; - npair.offset = npair.rmargin = 0; - npair.flag = 0; - npair.count = 0; - if (MDOC_TEXT != node->type) { - if (termacts[node->tok].pre) - if ( ! (*termacts[node->tok].pre)(p, &npair, meta, node)) - dochild = 0; - } else /* MDOC_TEXT == node->type */ - term_word(p, node->string); + /* + * Keeps only work until the end of a line. If a keep was + * invoked in a prior line, revert it to PREKEEP. + */ - /* Children. */ + if (p->flags & TERMP_KEEP && n->flags & MDOC_LINE) { + p->flags &= ~TERMP_KEEP; + p->flags |= TERMP_PREKEEP; + } - if (TERMPAIR_FLAG & npair.type) - p->flags |= npair.flag; + /* + * After the keep flags have been set up, we may now + * produce output. Note that some pre-handlers do so. + */ - if (dochild && node->child) - print_body(p, &npair, meta, node->child); + switch (n->type) { + case ROFFT_TEXT: + if (' ' == *n->string && MDOC_LINE & n->flags) + term_newln(p); + if (MDOC_DELIMC & n->flags) + p->flags |= TERMP_NOSPACE; + term_word(p, n->string); + if (MDOC_DELIMO & n->flags) + p->flags |= TERMP_NOSPACE; + break; + case ROFFT_EQN: + if ( ! (n->flags & MDOC_LINE)) + p->flags |= TERMP_NOSPACE; + term_eqn(p, n->eqn); + if (n->next != NULL && ! (n->next->flags & MDOC_LINE)) + p->flags |= TERMP_NOSPACE; + break; + case ROFFT_TBL: + if (p->tbl.cols == NULL) + term_newln(p); + term_tbl(p, n->span); + break; + default: + if (termacts[n->tok].pre && + (n->end == ENDBODY_NOT || n->nchild)) + chld = (*termacts[n->tok].pre) + (p, &npair, meta, n); + break; + } - if (TERMPAIR_FLAG & npair.type) - p->flags &= ~npair.flag; + if (chld && n->child) + print_mdoc_nodelist(p, &npair, meta, n->child); - /* Post-processing. */ + term_fontpopq(p, + (ENDBODY_NOT == n->end ? n : n->body)->prev_font); - if (MDOC_TEXT != node->type) - if (termacts[node->tok].post) - (*termacts[node->tok].post)(p, &npair, meta, node); -} + switch (n->type) { + case ROFFT_TEXT: + break; + case ROFFT_TBL: + break; + case ROFFT_EQN: + break; + default: + if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags) + break; + (void)(*termacts[n->tok].post)(p, &npair, meta, n); + /* + * Explicit end tokens not only call the post + * handler, but also tell the respective block + * that it must not call the post handler again. + */ + if (ENDBODY_NOT != n->end) + n->body->flags |= MDOC_ENDED; + /* + * End of line terminating an implicit block + * while an explicit block is still open. + * Continue the explicit block without spacing. + */ + if (ENDBODY_NOSPACE == n->end) + p->flags |= TERMP_NOSPACE; + break; + } + + if (MDOC_EOS & n->flags) + p->flags |= TERMP_SENTENCE; + + if (MDOC_ll != n->tok) { + p->offset = offset; + p->rmargin = rmargin; + } +} + static void -print_foot(struct termp *p, const struct mdoc_meta *meta) +print_mdoc_foot(struct termp *p, const struct roff_meta *meta) { - struct tm *tm; - char *buf, *os; + size_t sz; - /* + term_fontrepl(p, TERMFONT_NONE); + + /* * Output the footer in new-groff style, that is, three columns * with the middle being the manual date and flanking columns * being the operating system: @@ -410,64 +419,46 @@ print_foot(struct termp *p, const struct mdoc_meta *me * SYSTEM DATE SYSTEM */ - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (os = malloc(p->rmargin))) - err(1, "malloc"); - - tm = localtime(&meta->date); - - if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm)) - err(1, "strftime"); - - (void)strlcpy(os, meta->os, p->rmargin); - term_vspace(p); p->offset = 0; - p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2; + sz = term_strlen(p, meta->date); + p->rmargin = p->maxrmargin > sz ? + (p->maxrmargin + term_len(p, 1) - sz) / 2 : 0; + p->trailspace = 1; p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; - term_word(p, os); + term_word(p, meta->os); term_flushln(p); p->offset = p->rmargin; - p->rmargin = p->maxrmargin - strlen(os); - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + sz = term_strlen(p, meta->os); + p->rmargin = p->maxrmargin > sz ? p->maxrmargin - sz : 0; + p->flags |= TERMP_NOSPACE; - term_word(p, buf); + term_word(p, meta->date); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin; + p->trailspace = 0; p->flags &= ~TERMP_NOBREAK; - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->flags |= TERMP_NOSPACE; - term_word(p, os); + term_word(p, meta->os); term_flushln(p); p->offset = 0; p->rmargin = p->maxrmargin; p->flags = 0; - - free(buf); - free(os); } - static void -print_head(struct termp *p, const struct mdoc_meta *meta) +print_mdoc_head(struct termp *p, const struct roff_meta *meta) { - char *buf, *title; + char *volume, *title; + size_t vollen, titlen; - p->rmargin = p->maxrmargin; - p->offset = 0; - - if (NULL == (buf = malloc(p->rmargin))) - err(1, "malloc"); - if (NULL == (title = malloc(p->rmargin))) - err(1, "malloc"); - /* * The header is strange. It has three components, which are * really two with the first duplicated. It goes like this: @@ -482,396 +473,361 @@ print_head(struct termp *p, const struct mdoc_meta *me */ assert(meta->vol); - (void)strlcpy(buf, meta->vol, p->rmargin); + if (NULL == meta->arch) + volume = mandoc_strdup(meta->vol); + else + mandoc_asprintf(&volume, "%s (%s)", + meta->vol, meta->arch); + vollen = term_strlen(p, volume); - if (meta->arch) { - (void)strlcat(buf, " (", p->rmargin); - (void)strlcat(buf, meta->arch, p->rmargin); - (void)strlcat(buf, ")", p->rmargin); - } + if (NULL == meta->msec) + title = mandoc_strdup(meta->title); + else + mandoc_asprintf(&title, "%s(%s)", + meta->title, meta->msec); + titlen = term_strlen(p, title); - (void)snprintf(title, p->rmargin, "%s(%d)", - meta->title, meta->msec); - - p->offset = 0; - p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2; p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; + p->trailspace = 1; + p->offset = 0; + p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ? + (p->maxrmargin - vollen + term_len(p, 1)) / 2 : + vollen < p->maxrmargin ? p->maxrmargin - vollen : 0; term_word(p, title); term_flushln(p); + p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; - p->rmargin = p->maxrmargin - strlen(title); - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->rmargin = p->offset + vollen + titlen < p->maxrmargin ? + p->maxrmargin - titlen : p->maxrmargin; - term_word(p, buf); + term_word(p, volume); term_flushln(p); - p->offset = p->rmargin; - p->rmargin = p->maxrmargin; p->flags &= ~TERMP_NOBREAK; - p->flags |= TERMP_NOLPAD | TERMP_NOSPACE; + p->trailspace = 0; + if (p->rmargin + titlen <= p->maxrmargin) { + p->flags |= TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + term_word(p, title); + term_flushln(p); + } - term_word(p, title); - term_flushln(p); - + p->flags &= ~TERMP_NOSPACE; p->offset = 0; p->rmargin = p->maxrmargin; - p->flags &= ~TERMP_NOSPACE; - free(title); - free(buf); + free(volume); } - -static size_t -arg_width(const struct mdoc_argv *arg, int pos) +static int +a2width(const struct termp *p, const char *v) { - size_t v; - int i, len; + struct roffsu su; - assert(pos < (int)arg->sz && pos >= 0); - assert(arg->value[pos]); - if (0 == strcmp(arg->value[pos], "indent")) - return(INDENT + 3); - if (0 == strcmp(arg->value[pos], "indent-two")) - return(INDENT * 2 + 2); - - if (0 == (len = (int)strlen(arg->value[pos]))) - return(0); - - for (i = 0; i < len - 1; i++) - if ( ! isdigit((u_char)arg->value[pos][i])) - break; - - if (i == len - 1) { - if ('n' == arg->value[pos][len - 1] || - 'm' == arg->value[pos][len - 1]) { - v = (size_t)atoi(arg->value[pos]); - return(v + 2); - } - + if (a2roffsu(v, &su, SCALE_MAX) < 2) { + SCALE_HS_INIT(&su, term_strlen(p, v)); + su.scale /= term_strlen(p, "0"); } - return(strlen(arg->value[pos]) + 2); + return(term_hspan(p, &su) / 24); } - -static int -arg_listtype(const struct mdoc_node *n) +/* + * Determine how much space to print out before block elements of `It' + * (and thus `Bl') and `Bd'. And then go ahead and print that space, + * too. + */ +static void +print_bvspace(struct termp *p, + const struct roff_node *bl, + const struct roff_node *n) { - int i, len; + const struct roff_node *nn; - assert(MDOC_BLOCK == n->type); + assert(n); - len = (int)(n->args ? n->args->argc : 0); + term_newln(p); - for (i = 0; i < len; i++) - switch (n->args->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_Column): - /* FALLTHROUGH */ - case (MDOC_Ohang): - return(n->args->argv[i].arg); - default: - break; - } + if (MDOC_Bd == bl->tok && bl->norm->Bd.comp) + return; + if (MDOC_Bl == bl->tok && bl->norm->Bl.comp) + return; - /* FIXME: mandated by parser. */ + /* Do not vspace directly after Ss/Sh. */ - errx(1, "list type not supported"); - /* NOTREACHED */ -} + nn = n; + while (nn->prev == NULL) { + do { + nn = nn->parent; + if (nn->type == ROFFT_ROOT) + return; + } while (nn->type != ROFFT_BLOCK); + if (nn->tok == MDOC_Sh || nn->tok == MDOC_Ss) + return; + if (nn->tok == MDOC_It && + nn->parent->parent->norm->Bl.type != LIST_item) + break; + } + /* A `-column' does not assert vspace within the list. */ -static size_t -arg_offset(const struct mdoc_argv *arg) -{ + if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type) + if (n->prev && MDOC_It == n->prev->tok) + return; - assert(*arg->value); - if (0 == strcmp(*arg->value, "left")) - return(INDENT - 1); - if (0 == strcmp(*arg->value, "indent")) - return(INDENT + 1); - if (0 == strcmp(*arg->value, "indent-two")) - return(INDENT * 2); + /* A `-diag' without body does not vspace. */ - /* FIXME: needs to support field-widths (10n, etc.). */ + if (MDOC_Bl == bl->tok && LIST_diag == bl->norm->Bl.type) + if (n->prev && MDOC_It == n->prev->tok) { + assert(n->prev->body); + if (NULL == n->prev->body->child) + return; + } - return(strlen(*arg->value)); + term_vspace(p); } static int -arg_hasattr(int arg, const struct mdoc_node *n) +termp_ll_pre(DECL_ARGS) { - return(-1 != arg_getattr(arg, n)); + term_setwidth(p, n->nchild ? n->child->string : NULL); + return(0); } - static int -arg_getattr(int v, const struct mdoc_node *n) +termp_it_pre(DECL_ARGS) { - int val; + char buf[24]; + const struct roff_node *bl, *nn; + size_t ncols, dcol; + int i, offset, width; + enum mdoc_list type; - return(arg_getattrs(&v, &val, 1, n) ? val : -1); -} + if (n->type == ROFFT_BLOCK) { + print_bvspace(p, n->parent->parent, n); + return(1); + } + bl = n->parent->parent->parent; + type = bl->norm->Bl.type; -static int -arg_getattrs(const int *keys, int *vals, - size_t sz, const struct mdoc_node *n) -{ - int i, j, k; + /* + * Defaults for specific list types. + */ - if (NULL == n->args) - return(0); - - for (k = i = 0; i < (int)n->args->argc; i++) - for (j = 0; j < (int)sz; j++) - if (n->args->argv[i].arg == keys[j]) { - vals[j] = i; - k++; - } - return(k); -} - - -/* ARGSUSED */ -static int -fmt_block_vspace(struct termp *p, - const struct mdoc_node *bl, - const struct mdoc_node *node) -{ - const struct mdoc_node *n; - - term_newln(p); - - if (arg_hasattr(MDOC_Compact, bl)) - return(1); - - for (n = node; n; n = n->parent) { - if (MDOC_BLOCK != n->type) - continue; - if (MDOC_Ss == n->tok) - break; - if (MDOC_Sh == n->tok) - break; - if (NULL == n->prev) - continue; - term_vspace(p); + switch (type) { + case LIST_bullet: + /* FALLTHROUGH */ + case LIST_dash: + /* FALLTHROUGH */ + case LIST_hyphen: + /* FALLTHROUGH */ + case LIST_enum: + width = term_len(p, 2); break; + case LIST_hang: + width = term_len(p, 8); + break; + case LIST_column: + /* FALLTHROUGH */ + case LIST_tag: + width = term_len(p, 10); + break; + default: + width = 0; + break; } + offset = 0; - return(1); -} + /* + * First calculate width and offset. This is pretty easy unless + * we're a -column list, in which case all prior columns must + * be accounted for. + */ + if (bl->norm->Bl.offs != NULL) { + offset = a2width(p, bl->norm->Bl.offs); + if (offset < 0 && (size_t)(-offset) > p->offset) + offset = -p->offset; + else if (offset > SHRT_MAX) + offset = 0; + } -/* ARGSUSED */ -static int -termp_dq_pre(DECL_ARGS) -{ + switch (type) { + case LIST_column: + if (n->type == ROFFT_HEAD) + break; - if (MDOC_BODY != node->type) - return(1); + /* + * Imitate groff's column handling: + * - For each earlier column, add its width. + * - For less than 5 columns, add four more blanks per + * column. + * - For exactly 5 columns, add three more blank per + * column. + * - For more than 5 columns, add only one column. + */ + ncols = bl->norm->Bl.ncols; + dcol = ncols < 5 ? term_len(p, 4) : + ncols == 5 ? term_len(p, 3) : term_len(p, 1); - term_word(p, "\\(lq"); - p->flags |= TERMP_NOSPACE; - return(1); -} + /* + * Calculate the offset by applying all prior ROFFT_BODY, + * so we stop at the ROFFT_HEAD (nn->prev == NULL). + */ + for (i = 0, nn = n->prev; + nn->prev && i < (int)ncols; + nn = nn->prev, i++) + offset += dcol + a2width(p, + bl->norm->Bl.cols[i]); -/* ARGSUSED */ -static void -termp_dq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rq"); -} - - -/* ARGSUSED */ -static int -termp_it_pre(DECL_ARGS) -{ - const struct mdoc_node *bl, *n; - char buf[7]; - int i, type, keys[3], vals[3], sv; - size_t width, offset; - - if (MDOC_BLOCK == node->type) - return(fmt_block_vspace(p, node->parent->parent, node)); - - bl = node->parent->parent->parent; - - /* Save parent attributes. */ - - pair->offset = p->offset; - pair->rmargin = p->rmargin; - pair->flag = p->flags; - - /* Get list width and offset. */ - - keys[0] = MDOC_Width; - keys[1] = MDOC_Offset; - keys[2] = MDOC_Column; - - vals[0] = vals[1] = vals[2] = -1; - - width = offset = 0; - - (void)arg_getattrs(keys, vals, 3, bl); - - type = arg_listtype(bl); - - /* Calculate real width and offset. */ - - switch (type) { - case (MDOC_Column): - if (MDOC_BODY == node->type) + /* + * When exceeding the declared number of columns, leave + * the remaining widths at 0. This will later be + * adjusted to the default width of 10, or, for the last + * column, stretched to the right margin. + */ + if (i >= (int)ncols) break; - for (i = 0, n = node->prev; n; n = n->prev, i++) - offset += arg_width - (&bl->args->argv[vals[2]], i); - assert(i < (int)bl->args->argv[vals[2]].sz); - width = arg_width(&bl->args->argv[vals[2]], i); - if (vals[1] >= 0) - offset += arg_offset(&bl->args->argv[vals[1]]); + + /* + * Use the declared column widths, extended as explained + * in the preceding paragraph. + */ + width = a2width(p, bl->norm->Bl.cols[i]) + dcol; break; default: - if (vals[0] >= 0) - width = arg_width(&bl->args->argv[vals[0]], 0); - if (vals[1] >= 0) - offset = arg_offset(&bl->args->argv[vals[1]]); - break; - } + if (NULL == bl->norm->Bl.width) + break; - /* - * 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_Hyphen): - if (width < 4) - width = 4; + /* + * Note: buffer the width by 2, which is groff's magic + * number for buffering single arguments. See the above + * handling for column for how this changes. + */ + width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); + if (width < 0 && (size_t)(-width) > p->offset) + width = -p->offset; + else if (width > SHRT_MAX) + width = 0; break; - case (MDOC_Enum): - if (width < 5) - width = 5; - break; - case (MDOC_Tag): - if (0 == width) - width = 10; - break; - default: - break; } - /* + /* * Whitespace control. Inset bodies need an initial space, * while diagonal bodies need two. */ + p->flags |= TERMP_NOSPACE; + switch (type) { - case (MDOC_Diag): - term_word(p, "\\ "); - /* FALLTHROUGH */ - case (MDOC_Inset): - if (MDOC_BODY == node->type) - p->flags &= ~TERMP_NOSPACE; - else - p->flags |= TERMP_NOSPACE; + case LIST_diag: + if (n->type == ROFFT_BODY) + term_word(p, "\\ \\ "); break; + case LIST_inset: + if (n->type == ROFFT_BODY && n->parent->head->nchild) + term_word(p, "\\ "); + break; default: - p->flags |= TERMP_NOSPACE; break; } - /* - * Style flags. Diagnostic heads need TTYPE_DIAG. - */ + p->flags |= TERMP_NOSPACE; switch (type) { - case (MDOC_Diag): - if (MDOC_HEAD == node->type) - p->flags |= ttypes[TTYPE_DIAG]; + case LIST_diag: + if (n->type == ROFFT_HEAD) + term_fontpush(p, TERMFONT_BOLD); 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. + * Pad and break control. This is the tricky part. These flags + * are documented in term_flushln() in term.c. Note that we're + * going to unset all of these flags in termp_it_post() when we + * exit. */ switch (type) { - case (MDOC_Bullet): + case LIST_enum: + /* + * Weird special case. + * Some very narrow lists actually hang. + */ /* FALLTHROUGH */ - case (MDOC_Dash): + case LIST_bullet: /* FALLTHROUGH */ - case (MDOC_Enum): + case LIST_dash: /* FALLTHROUGH */ - case (MDOC_Hyphen): - /* FALLTHROUGH */ - case (MDOC_Tag): - if (MDOC_HEAD == node->type) - p->flags |= TERMP_NOBREAK; - else - p->flags |= TERMP_NOLPAD; - if (MDOC_HEAD == node->type && MDOC_Tag == type) - if (NULL == node->next || - NULL == node->next->child) - p->flags |= TERMP_NONOBREAK; + case LIST_hyphen: + if (width <= (int)term_len(p, 2)) + p->flags |= TERMP_HANG; + if (n->type != ROFFT_HEAD) + break; + p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; - case (MDOC_Column): - if (MDOC_HEAD == node->type) { - assert(node->next); - if (MDOC_BODY == node->next->type) - p->flags &= ~TERMP_NOBREAK; - else - p->flags |= TERMP_NOBREAK; - if (node->prev) - p->flags |= TERMP_NOLPAD; - } + case LIST_hang: + if (n->type != ROFFT_HEAD) + break; + + /* + * This is ugly. If `-hang' is specified and the body + * is a `Bl' or `Bd', then we want basically to nullify + * the "overstep" effect in term_flushln() and treat + * this as a `-ohang' list instead. + */ + if (NULL != n->next && + NULL != n->next->child && + (MDOC_Bl == n->next->child->tok || + MDOC_Bd == n->next->child->tok)) + break; + + p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG; + p->trailspace = 1; break; - case (MDOC_Diag): - if (MDOC_HEAD == node->type) + case LIST_tag: + if (n->type != ROFFT_HEAD) + break; + + p->flags |= TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 2; + + if (NULL == n->next || NULL == n->next->child) + p->flags |= TERMP_DANGLE; + break; + case LIST_column: + if (n->type == ROFFT_HEAD) + break; + + if (NULL == n->next) { + p->flags &= ~TERMP_NOBREAK; + p->trailspace = 0; + } else { p->flags |= TERMP_NOBREAK; + p->trailspace = 1; + } + break; + case LIST_diag: + if (n->type != ROFFT_HEAD) + break; + p->flags |= TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 1; + 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. @@ -880,76 +836,97 @@ termp_it_pre(DECL_ARGS) p->offset += offset; switch (type) { - case (MDOC_Bullet): + case LIST_hang: + /* + * Same stipulation as above, regarding `-hang'. We + * don't want to recalculate rmargin and offsets when + * using `Bd' or `Bl' within `-hang' overstep lists. + */ + if (n->type == ROFFT_HEAD && + NULL != n->next && + NULL != n->next->child && + (MDOC_Bl == n->next->child->tok || + MDOC_Bd == n->next->child->tok)) + break; /* FALLTHROUGH */ - case (MDOC_Dash): + case LIST_bullet: /* FALLTHROUGH */ - case (MDOC_Enum): + case LIST_dash: /* FALLTHROUGH */ - case (MDOC_Hyphen): + case LIST_enum: /* FALLTHROUGH */ - case (MDOC_Tag): - if (MDOC_HEAD == node->type) + case LIST_hyphen: + /* FALLTHROUGH */ + case LIST_tag: + if (n->type == ROFFT_HEAD) p->rmargin = p->offset + width; - else + else p->offset += width; break; - case (MDOC_Column): + case LIST_column: + assert(width); p->rmargin = p->offset + width; + /* + * XXX - this behaviour is not documented: the + * right-most column is filled to the right margin. + */ + if (n->type == ROFFT_HEAD) + break; + if (NULL == n->next && p->rmargin < p->maxrmargin) + p->rmargin = p->maxrmargin; break; default: break; } - /* + /* * The dash, hyphen, bullet and enum lists all have a special - * HEAD character (temporarily bold, in some cases). + * HEAD character (temporarily bold, in some cases). */ - sv = p->flags; - if (MDOC_HEAD == node->type) + if (n->type == ROFFT_HEAD) switch (type) { - case (MDOC_Bullet): - p->flags |= TERMP_BOLD; + case LIST_bullet: + term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\[bu]"); + term_fontpop(p); break; - case (MDOC_Dash): + case LIST_dash: /* FALLTHROUGH */ - case (MDOC_Hyphen): - p->flags |= TERMP_BOLD; - term_word(p, "\\-"); + case LIST_hyphen: + term_fontpush(p, TERMFONT_BOLD); + term_word(p, "\\(hy"); + term_fontpop(p); break; - case (MDOC_Enum): + case LIST_enum: (pair->ppair->ppair->count)++; - (void)snprintf(buf, sizeof(buf), "%d.", - pair->ppair->ppair->count); + (void)snprintf(buf, sizeof(buf), "%d.", + pair->ppair->ppair->count); term_word(p, buf); break; default: break; } - p->flags = sv; /* Restore saved flags. */ - - /* + /* * If we're not going to process our children, indicate so here. */ switch (type) { - case (MDOC_Bullet): + case LIST_bullet: /* FALLTHROUGH */ - case (MDOC_Item): + case LIST_item: /* FALLTHROUGH */ - case (MDOC_Dash): + case LIST_dash: /* FALLTHROUGH */ - case (MDOC_Hyphen): + case LIST_hyphen: /* FALLTHROUGH */ - case (MDOC_Enum): - if (MDOC_HEAD == node->type) + case LIST_enum: + if (n->type == ROFFT_HEAD) return(0); break; - case (MDOC_Column): - if (MDOC_BODY == node->type) + case LIST_column: + if (n->type == ROFFT_HEAD) return(0); break; default: @@ -959,313 +936,458 @@ termp_it_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_it_post(DECL_ARGS) { - int type; + enum mdoc_list type; - if (MDOC_BODY != node->type && MDOC_HEAD != node->type) + if (n->type == ROFFT_BLOCK) return; - type = arg_listtype(node->parent->parent->parent); + type = n->parent->parent->parent->norm->Bl.type; switch (type) { - case (MDOC_Diag): + case LIST_item: /* FALLTHROUGH */ - case (MDOC_Item): + case LIST_diag: /* FALLTHROUGH */ - case (MDOC_Inset): - if (MDOC_BODY == node->type) - term_flushln(p); + case LIST_inset: + if (n->type == ROFFT_BODY) + term_newln(p); break; - case (MDOC_Column): - if (MDOC_HEAD == node->type) + case LIST_column: + if (n->type == ROFFT_BODY) term_flushln(p); break; default: - term_flushln(p); + term_newln(p); break; } - p->offset = pair->offset; - p->rmargin = pair->rmargin; - p->flags = pair->flag; + /* + * Now that our output is flushed, we can reset our tags. Since + * only `It' sets these flags, we're free to assume that nobody + * has munged them in the meanwhile. + */ + + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | + TERMP_DANGLE | TERMP_HANG); + p->trailspace = 0; } - -/* ARGSUSED */ static int termp_nm_pre(DECL_ARGS) { + const char *cp; - if (SEC_SYNOPSIS == node->sec) - term_newln(p); + if (n->type == ROFFT_BLOCK) { + p->flags |= TERMP_PREKEEP; + return(1); + } - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_PROG]); - if (NULL == node->child) - term_word(p, meta->name); + if (n->type == ROFFT_BODY) { + if (NULL == n->child) + return(0); + p->flags |= TERMP_NOSPACE; + cp = NULL; + if (n->prev->child != NULL) + cp = n->prev->child->string; + if (cp == NULL) + cp = meta->name; + if (cp == NULL) + p->offset += term_len(p, 6); + else + p->offset += term_len(p, 1) + term_strlen(p, cp); + return(1); + } + if (NULL == n->child && NULL == meta->name) + return(0); + + if (n->type == ROFFT_HEAD) + synopsis_pre(p, n->parent); + + if (n->type == ROFFT_HEAD && + NULL != n->next && NULL != n->next->child) { + p->flags |= TERMP_NOSPACE | TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 1; + p->rmargin = p->offset + term_len(p, 1); + if (NULL == n->child) { + p->rmargin += term_strlen(p, meta->name); + } else if (n->child->type == ROFFT_TEXT) { + p->rmargin += term_strlen(p, n->child->string); + if (n->child->next) + p->flags |= TERMP_HANG; + } else { + p->rmargin += term_len(p, 5); + p->flags |= TERMP_HANG; + } + } + + term_fontpush(p, TERMFONT_BOLD); + if (NULL == n->child) + term_word(p, meta->name); return(1); } +static void +termp_nm_post(DECL_ARGS) +{ -/* ARGSUSED */ + if (n->type == ROFFT_BLOCK) { + p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); + } else if (n->type == ROFFT_HEAD && + NULL != n->next && NULL != n->next->child) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); + p->trailspace = 0; + } else if (n->type == ROFFT_BODY && n->child != NULL) + term_flushln(p); +} + static int termp_fl_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); + term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\-"); - p->flags |= TERMP_NOSPACE; + + if ( ! (n->nchild == 0 && + (n->next == NULL || + n->next->type == ROFFT_TEXT || + n->next->flags & MDOC_LINE))) + p->flags |= TERMP_NOSPACE; + return(1); } - -/* ARGSUSED */ static int -termp_ar_pre(DECL_ARGS) +termp__a_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_ARG]); + if (n->prev && MDOC__A == n->prev->tok) + if (NULL == n->next || MDOC__A != n->next->tok) + term_word(p, "and"); + return(1); } - -/* ARGSUSED */ static int -termp_ns_pre(DECL_ARGS) +termp_an_pre(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; - return(1); -} + if (n->norm->An.auth == AUTH_split) { + p->flags &= ~TERMP_NOSPLIT; + p->flags |= TERMP_SPLIT; + return(0); + } + if (n->norm->An.auth == AUTH_nosplit) { + p->flags &= ~TERMP_SPLIT; + p->flags |= TERMP_NOSPLIT; + return(0); + } + if (p->flags & TERMP_SPLIT) + term_newln(p); -/* ARGSUSED */ -static int -termp_pp_pre(DECL_ARGS) -{ + if (n->sec == SEC_AUTHORS && ! (p->flags & TERMP_NOSPLIT)) + p->flags |= TERMP_SPLIT; - term_vspace(p); return(1); } - -/* ARGSUSED */ static int -termp_st_pre(DECL_ARGS) +termp_ns_pre(DECL_ARGS) { - const char *cp; - if (node->child && (cp = mdoc_a2st(node->child->string))) - term_word(p, cp); - return(0); + if ( ! (MDOC_LINE & n->flags)) + p->flags |= TERMP_NOSPACE; + return(1); } - -/* ARGSUSED */ static int termp_rs_pre(DECL_ARGS) { - if (MDOC_BLOCK == node->type && node->prev) + if (SEC_SEE_ALSO != n->sec) + return(1); + if (n->type == ROFFT_BLOCK && n->prev != NULL) term_vspace(p); return(1); } - -/* ARGSUSED */ static int termp_rv_pre(DECL_ARGS) { - int i; + int nchild; - /* FIXME: mandated by parser. */ + term_newln(p); - if (-1 == (i = arg_getattr(MDOC_Std, node))) - errx(1, "expected -std argument"); - if (1 != node->args->argv[i].sz) - errx(1, "expected -std argument"); + nchild = n->nchild; + if (nchild > 0) { + term_word(p, "The"); - term_newln(p); - term_word(p, "The"); + for (n = n->child; n; n = n->next) { + term_fontpush(p, TERMFONT_BOLD); + term_word(p, n->string); + term_fontpop(p); - p->flags |= ttypes[TTYPE_FUNC_NAME]; - term_word(p, *node->args->argv[i].value); - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - p->flags |= TERMP_NOSPACE; + p->flags |= TERMP_NOSPACE; + term_word(p, "()"); - term_word(p, "() function returns the value 0 if successful;"); - term_word(p, "otherwise the value -1 is returned and the"); - term_word(p, "global variable"); + if (n->next == NULL) + continue; - p->flags |= ttypes[TTYPE_VAR_DECL]; + if (nchild > 2) { + p->flags |= TERMP_NOSPACE; + term_word(p, ","); + } + if (n->next->next == NULL) + term_word(p, "and"); + } + + if (nchild > 1) + term_word(p, "functions return"); + else + term_word(p, "function returns"); + + term_word(p, "the value\\~0 if successful;"); + } else + term_word(p, "Upon successful completion," + " the value\\~0 is returned;"); + + term_word(p, "otherwise the value\\~\\-1 is returned" + " and the global variable"); + + term_fontpush(p, TERMFONT_UNDER); term_word(p, "errno"); - p->flags &= ~ttypes[TTYPE_VAR_DECL]; + term_fontpop(p); - term_word(p, "is set to indicate the error."); + term_word(p, "is set to indicate the error."); + p->flags |= TERMP_SENTENCE; - return(1); + return(0); } - -/* ARGSUSED */ static int termp_ex_pre(DECL_ARGS) { - int i; + int nchild; - /* FIXME: mandated by parser? */ + term_newln(p); + term_word(p, "The"); - if (-1 == (i = arg_getattr(MDOC_Std, node))) - errx(1, "expected -std argument"); - if (1 != node->args->argv[i].sz) - errx(1, "expected -std argument"); + nchild = n->nchild; + for (n = n->child; n; n = n->next) { + term_fontpush(p, TERMFONT_BOLD); + term_word(p, n->string); + term_fontpop(p); - term_word(p, "The"); - p->flags |= ttypes[TTYPE_PROG]; - term_word(p, *node->args->argv[i].value); - p->flags &= ~ttypes[TTYPE_PROG]; - term_word(p, "utility exits 0 on success, and >0 if an error occurs."); + if (nchild > 2 && n->next) { + p->flags |= TERMP_NOSPACE; + term_word(p, ","); + } - return(1); -} + if (n->next && NULL == n->next->next) + term_word(p, "and"); + } + if (nchild > 1) + term_word(p, "utilities exit\\~0"); + else + term_word(p, "utility exits\\~0"); -/* ARGSUSED */ + term_word(p, "on success, and\\~>0 if an error occurs."); + + p->flags |= TERMP_SENTENCE; + return(0); +} + static int termp_nd_pre(DECL_ARGS) { - term_word(p, "\\-"); + if (n->type == ROFFT_BODY) + term_word(p, "\\(en"); return(1); } - -/* ARGSUSED */ -static void -termp_bl_post(DECL_ARGS) +static int +termp_bl_pre(DECL_ARGS) { - if (MDOC_BLOCK == node->type) - term_newln(p); + return(n->type != ROFFT_HEAD); } - -/* ARGSUSED */ static void -termp_op_post(DECL_ARGS) +termp_bl_post(DECL_ARGS) { - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); + if (n->type == ROFFT_BLOCK) + term_newln(p); } - -/* ARGSUSED */ static int termp_xr_pre(DECL_ARGS) { - const struct mdoc_node *n; - assert(node->child && MDOC_TEXT == node->child->type); - n = node->child; + if (NULL == (n = n->child)) + return(0); + assert(n->type == ROFFT_TEXT); term_word(p, n->string); - if (NULL == (n = n->next)) + + if (NULL == (n = n->next)) return(0); + p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; + + assert(n->type == ROFFT_TEXT); term_word(p, n->string); + p->flags |= TERMP_NOSPACE; term_word(p, ")"); + return(0); } +/* + * This decides how to assert whitespace before any of the SYNOPSIS set + * of macros (which, as in the case of Ft/Fo and Ft/Fn, may contain + * macro combos). + */ +static void +synopsis_pre(struct termp *p, const struct roff_node *n) +{ + /* + * Obviously, if we're not in a SYNOPSIS or no prior macros + * exist, do nothing. + */ + if (NULL == n->prev || ! (MDOC_SYNPRETTY & n->flags)) + return; -/* ARGSUSED */ + /* + * If we're the second in a pair of like elements, emit our + * newline and return. UNLESS we're `Fo', `Fn', `Fn', in which + * case we soldier on. + */ + if (n->prev->tok == n->tok && + MDOC_Ft != n->tok && + MDOC_Fo != n->tok && + MDOC_Fn != n->tok) { + term_newln(p); + return; + } + + /* + * If we're one of the SYNOPSIS set and non-like pair-wise after + * another (or Fn/Fo, which we've let slip through) then assert + * vertical space, else only newline and move on. + */ + switch (n->prev->tok) { + case MDOC_Fd: + /* FALLTHROUGH */ + case MDOC_Fn: + /* FALLTHROUGH */ + case MDOC_Fo: + /* FALLTHROUGH */ + case MDOC_In: + /* FALLTHROUGH */ + case MDOC_Vt: + term_vspace(p); + break; + case MDOC_Ft: + if (MDOC_Fn != n->tok && MDOC_Fo != n->tok) { + term_vspace(p); + break; + } + /* FALLTHROUGH */ + default: + term_newln(p); + break; + } +} + static int termp_vt_pre(DECL_ARGS) { - /* FIXME: this can be "type name". */ - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); - return(1); + if (n->type == ROFFT_ELEM) { + synopsis_pre(p, n); + return(termp_under_pre(p, pair, meta, n)); + } else if (n->type == ROFFT_BLOCK) { + synopsis_pre(p, n); + return(1); + } else if (n->type == ROFFT_HEAD) + return(0); + + return(termp_under_pre(p, pair, meta, n)); } - -/* ARGSUSED */ -static void -termp_vt_post(DECL_ARGS) +static int +termp_bold_pre(DECL_ARGS) { - if (node->sec == SEC_SYNOPSIS) - term_vspace(p); + term_fontpush(p, TERMFONT_BOLD); + return(1); } - -/* 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); + synopsis_pre(p, n); + return(termp_bold_pre(p, pair, meta, n)); } - -/* ARGSUSED */ static void termp_fd_post(DECL_ARGS) { - if (node->sec != SEC_SYNOPSIS) - return; term_newln(p); - if (node->next && MDOC_Fd != node->next->tok) - term_vspace(p); } - -/* ARGSUSED */ static int termp_sh_pre(DECL_ARGS) { - switch (node->type) { - case (MDOC_HEAD): - term_vspace(p); - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SECTION]); + switch (n->type) { + case ROFFT_BLOCK: + /* + * Vertical space before sections, except + * when the previous section was empty. + */ + if (n->prev == NULL || + MDOC_Sh != n->prev->tok || + (n->prev->body != NULL && + n->prev->body->child != NULL)) + term_vspace(p); break; - case (MDOC_BODY): - p->offset = INDENT; + case ROFFT_HEAD: + term_fontpush(p, TERMFONT_BOLD); break; + case ROFFT_BODY: + p->offset = term_len(p, p->defindent); + if (SEC_AUTHORS == n->sec) + p->flags &= ~(TERMP_SPLIT|TERMP_NOSPLIT); + break; default: break; } return(1); } - -/* ARGSUSED */ static void termp_sh_post(DECL_ARGS) { - switch (node->type) { - case (MDOC_HEAD): + switch (n->type) { + case ROFFT_HEAD: term_newln(p); break; - case (MDOC_BODY): + case ROFFT_BODY: term_newln(p); p->offset = 0; break; @@ -1274,493 +1396,352 @@ termp_sh_post(DECL_ARGS) } } - -/* ARGSUSED */ static int -termp_op_pre(DECL_ARGS) -{ - - switch (node->type) { - case (MDOC_BODY): - term_word(p, "\\(lB"); - p->flags |= TERMP_NOSPACE; - break; - default: - break; - } - return(1); -} - - -/* ARGSUSED */ -static int termp_bt_pre(DECL_ARGS) { term_word(p, "is currently in beta test."); - return(1); + p->flags |= TERMP_SENTENCE; + return(0); } - -/* ARGSUSED */ -static int -termp_lb_pre(DECL_ARGS) -{ - const char *lb; - - assert(node->child && MDOC_TEXT == node->child->type); - if ((lb = mdoc_a2lib(node->child->string))) { - term_word(p, lb); - return(0); - } - term_word(p, "library"); - return(1); -} - - -/* ARGSUSED */ static void termp_lb_post(DECL_ARGS) { - term_newln(p); + if (SEC_LIBRARY == n->sec && MDOC_LINE & n->flags) + term_newln(p); } - -/* ARGSUSED */ static int termp_ud_pre(DECL_ARGS) { term_word(p, "currently under development."); - return(1); + p->flags |= TERMP_SENTENCE; + return(0); } - -/* ARGSUSED */ static int termp_d1_pre(DECL_ARGS) { - if (MDOC_BLOCK != node->type) + if (n->type != ROFFT_BLOCK) return(1); term_newln(p); - pair->offset = INDENT + 1; - p->offset += pair->offset; + p->offset += term_len(p, p->defindent + 1); return(1); } - -/* ARGSUSED */ -static void -termp_d1_post(DECL_ARGS) -{ - - if (MDOC_BLOCK != node->type) - return; - term_newln(p); - p->offset -= pair->offset; -} - - -/* ARGSUSED */ static int -termp_aq_pre(DECL_ARGS) +termp_ft_pre(DECL_ARGS) { - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(la"); - p->flags |= TERMP_NOSPACE; + /* NB: MDOC_LINE does not effect this! */ + synopsis_pre(p, n); + term_fontpush(p, TERMFONT_UNDER); return(1); } - -/* ARGSUSED */ -static void -termp_aq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(ra"); -} - - -/* ARGSUSED */ static int -termp_ft_pre(DECL_ARGS) +termp_fn_pre(DECL_ARGS) { + size_t rmargin = 0; + int pretty; - if (SEC_SYNOPSIS == node->sec) - if (node->prev && MDOC_Fo == node->prev->tok) - term_vspace(p); - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_TYPE]); - return(1); -} + pretty = MDOC_SYNPRETTY & n->flags; + synopsis_pre(p, n); -/* ARGSUSED */ -static void -termp_ft_post(DECL_ARGS) -{ + if (NULL == (n = n->child)) + return(0); - if (SEC_SYNOPSIS == node->sec) - term_newln(p); -} + if (pretty) { + rmargin = p->rmargin; + p->rmargin = p->offset + term_len(p, 4); + p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG; + } + assert(n->type == ROFFT_TEXT); + term_fontpush(p, TERMFONT_BOLD); + term_word(p, n->string); + term_fontpop(p); -/* ARGSUSED */ -static int -termp_fn_pre(DECL_ARGS) -{ - const struct mdoc_node *n; + if (pretty) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); + p->offset = p->rmargin; + p->rmargin = rmargin; + } - assert(node->child && MDOC_TEXT == node->child->type); - - /* FIXME: can be "type funcname" "type varname"... */ - - p->flags |= ttypes[TTYPE_FUNC_NAME]; - term_word(p, node->child->string); - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; - p->flags |= TERMP_NOSPACE; term_word(p, "("); + p->flags |= TERMP_NOSPACE; - for (n = node->child->next; n; n = n->next) { - p->flags |= ttypes[TTYPE_FUNC_ARG]; + for (n = n->next; n; n = n->next) { + assert(n->type == ROFFT_TEXT); + term_fontpush(p, TERMFONT_UNDER); + if (pretty) + p->flags |= TERMP_NBRWORD; term_word(p, n->string); - p->flags &= ~ttypes[TTYPE_FUNC_ARG]; - if (n->next) + term_fontpop(p); + + if (n->next) { + p->flags |= TERMP_NOSPACE; term_word(p, ","); + } } + p->flags |= TERMP_NOSPACE; term_word(p, ")"); - if (SEC_SYNOPSIS == node->sec) + if (pretty) { + p->flags |= TERMP_NOSPACE; term_word(p, ";"); + term_flushln(p); + } return(0); } - -/* ARGSUSED */ -static void -termp_fn_post(DECL_ARGS) -{ - - if (node->sec == SEC_SYNOPSIS && node->next) - term_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; + const struct roff_node *nn; - if (node->parent->tok != MDOC_Fo) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_FUNC_ARG]); + if (n->parent->tok != MDOC_Fo) { + term_fontpush(p, TERMFONT_UNDER); return(1); } - for (n = node->child; n; n = n->next) { - p->flags |= ttypes[TTYPE_FUNC_ARG]; - term_word(p, n->string); - p->flags &= ~ttypes[TTYPE_FUNC_ARG]; - if (n->next) + for (nn = n->child; nn; nn = nn->next) { + term_fontpush(p, TERMFONT_UNDER); + p->flags |= TERMP_NBRWORD; + term_word(p, nn->string); + term_fontpop(p); + + if (nn->next || (n->next && n->next->tok == MDOC_Fa)) { + p->flags |= TERMP_NOSPACE; term_word(p, ","); + } } - if (node->child && node->next && node->next->tok == MDOC_Fa) - term_word(p, ","); - return(0); } - -/* ARGSUSED */ static int -termp_va_pre(DECL_ARGS) +termp_bd_pre(DECL_ARGS) { + size_t tabwidth, lm, len, rm, rmax; + struct roff_node *nn; + int offset; - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_VAR_DECL]); - return(1); -} + if (n->type == ROFFT_BLOCK) { + print_bvspace(p, n, n); + return(1); + } else if (n->type == ROFFT_HEAD) + return(0); + /* Handle the -offset argument. */ -/* ARGSUSED */ -static int -termp_bd_pre(DECL_ARGS) -{ - int i, type, ln; + if (n->norm->Bd.offs == NULL || + ! strcmp(n->norm->Bd.offs, "left")) + /* nothing */; + else if ( ! strcmp(n->norm->Bd.offs, "indent")) + p->offset += term_len(p, p->defindent + 1); + else if ( ! strcmp(n->norm->Bd.offs, "indent-two")) + p->offset += term_len(p, (p->defindent + 1) * 2); + else { + offset = a2width(p, n->norm->Bd.offs); + if (offset < 0 && (size_t)(-offset) > p->offset) + p->offset = 0; + else if (offset < SHRT_MAX) + p->offset += offset; + } /* - * This is fairly tricky due primarily to crappy documentation. * If -ragged or -filled are specified, the block does nothing - * but change the indentation. - * - * If, on the other hand, -unfilled or -literal are specified, - * then the game changes. Text is printed exactly as entered in - * the display: if a macro line, a newline is appended to the - * line. Blank lines are allowed. + * but change the indentation. If -unfilled or -literal are + * specified, text is printed exactly as entered in the display: + * for macro lines, a newline is appended to the line. Blank + * lines are allowed. */ - if (MDOC_BLOCK == node->type) - return(fmt_block_vspace(p, node, node)); - else if (MDOC_BODY != node->type) + if (DISP_literal != n->norm->Bd.type && + DISP_unfilled != n->norm->Bd.type && + DISP_centered != n->norm->Bd.type) return(1); - /* FIXME: display type should be mandated by parser. */ + tabwidth = p->tabwidth; + if (DISP_literal == n->norm->Bd.type) + p->tabwidth = term_len(p, 8); - if (NULL == node->parent->args) - errx(1, "missing display type"); + lm = p->offset; + rm = p->rmargin; + rmax = p->maxrmargin; + p->rmargin = p->maxrmargin = TERM_MAXMARGIN; - pair->offset = p->offset; - - for (type = -1, i = 0; - i < (int)node->parent->args->argc; i++) { - switch (node->parent->args->argv[i].arg) { - case (MDOC_Ragged): + for (nn = n->child; nn; nn = nn->next) { + if (DISP_centered == n->norm->Bd.type) { + if (nn->type == ROFFT_TEXT) { + len = term_strlen(p, nn->string); + p->offset = len >= rm ? 0 : + lm + len >= rm ? rm - len : + (lm + rm - len) / 2; + } else + p->offset = lm; + } + print_mdoc_node(p, pair, meta, nn); + /* + * If the printed node flushes its own line, then we + * needn't do it here as well. This is hacky, but the + * notion of selective eoln whitespace is pretty dumb + * anyway, so don't sweat it. + */ + switch (nn->tok) { + case MDOC_Sm: /* FALLTHROUGH */ - case (MDOC_Filled): + case MDOC_br: /* FALLTHROUGH */ - case (MDOC_Unfilled): + case MDOC_sp: /* FALLTHROUGH */ - case (MDOC_Literal): - type = node->parent->args->argv[i].arg; - i = (int)node->parent->args->argc; - break; + case MDOC_Bl: + /* FALLTHROUGH */ + case MDOC_D1: + /* FALLTHROUGH */ + case MDOC_Dl: + /* FALLTHROUGH */ + case MDOC_Lp: + /* FALLTHROUGH */ + case MDOC_Pp: + continue; default: break; } + if (p->flags & TERMP_NONEWLINE || + (nn->next && ! (nn->next->flags & MDOC_LINE))) + continue; + term_flushln(p); + p->flags |= TERMP_NOSPACE; } - if (NULL == node->parent->args) - errx(1, "missing display type"); - - i = arg_getattr(MDOC_Offset, node->parent); - if (-1 != i) { - if (1 != node->parent->args->argv[i].sz) - errx(1, "expected single value"); - p->offset += arg_offset(&node->parent->args->argv[i]); - } - - switch (type) { - case (MDOC_Literal): - /* FALLTHROUGH */ - case (MDOC_Unfilled): - break; - default: - return(1); - } - - /* - * Tricky. Iterate through all children. If we're on a - * different parse line, append a newline and then the contents. - * Ew. - */ - - p->flags |= TERMP_LITERAL; - ln = node->child ? node->child->line : 0; - - for (node = node->child; node; node = node->next) { - if (ln < node->line) { - term_flushln(p); - p->flags |= TERMP_NOSPACE; - } - ln = node->line; - print_node(p, pair, meta, node); - } - + p->tabwidth = tabwidth; + p->rmargin = rm; + p->maxrmargin = rmax; return(0); } - -/* ARGSUSED */ static void termp_bd_post(DECL_ARGS) { + size_t rm, rmax; - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY) return; - term_flushln(p); - p->flags &= ~TERMP_LITERAL; - p->offset = pair->offset; - p->flags |= TERMP_NOSPACE; -} + rm = p->rmargin; + rmax = p->maxrmargin; + if (DISP_literal == n->norm->Bd.type || + DISP_unfilled == n->norm->Bd.type) + p->rmargin = p->maxrmargin = TERM_MAXMARGIN; -/* ARGSUSED */ -static int -termp_qq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\""); p->flags |= TERMP_NOSPACE; - return(1); -} + term_newln(p); - -/* ARGSUSED */ -static void -termp_qq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\""); + p->rmargin = rm; + p->maxrmargin = rmax; } - -/* ARGSUSED */ static int -termp_bsx_pre(DECL_ARGS) +termp_bx_pre(DECL_ARGS) { - term_word(p, "BSDI BSD/OS"); - return(1); -} + if (NULL != (n = n->child)) { + term_word(p, n->string); + p->flags |= TERMP_NOSPACE; + term_word(p, "BSD"); + } else { + term_word(p, "BSD"); + return(0); + } - -/* ARGSUSED */ -static void -termp_bx_post(DECL_ARGS) -{ - - if (node->child) + if (NULL != (n = n->next)) { p->flags |= TERMP_NOSPACE; - term_word(p, "BSD"); -} + term_word(p, "-"); + p->flags |= TERMP_NOSPACE; + term_word(p, n->string); + } - -/* ARGSUSED */ -static int -termp_ox_pre(DECL_ARGS) -{ - - term_word(p, "OpenBSD"); - return(1); + return(0); } - -/* ARGSUSED */ static int -termp_dx_pre(DECL_ARGS) +termp_xx_pre(DECL_ARGS) { + const char *pp; + int flags; - term_word(p, "DragonFly"); - return(1); -} + pp = NULL; + switch (n->tok) { + case MDOC_Bsx: + pp = "BSD/OS"; + break; + case MDOC_Dx: + pp = "DragonFly"; + break; + case MDOC_Fx: + pp = "FreeBSD"; + break; + case MDOC_Nx: + pp = "NetBSD"; + break; + case MDOC_Ox: + pp = "OpenBSD"; + break; + case MDOC_Ux: + pp = "UNIX"; + break; + default: + abort(); + /* NOTREACHED */ + } - -/* ARGSUSED */ -static int -termp_ux_pre(DECL_ARGS) -{ - - term_word(p, "UNIX"); - return(1); + term_word(p, pp); + if (n->child) { + flags = p->flags; + p->flags |= TERMP_KEEP; + term_word(p, n->child->string); + p->flags = flags; + } + return(0); } - -/* ARGSUSED */ -static int -termp_fx_pre(DECL_ARGS) -{ - - term_word(p, "FreeBSD"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_nx_pre(DECL_ARGS) -{ - - term_word(p, "NetBSD"); - return(1); -} - - -/* ARGSUSED */ -static int -termp_sq_pre(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(oq"); - p->flags |= TERMP_NOSPACE; - return(1); -} - - -/* ARGSUSED */ static void -termp_sq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(aq"); -} - - -/* 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; + if ( ! (n->next == NULL || n->next->flags & MDOC_LINE)) + p->flags |= TERMP_NOSPACE; } - -/* ARGSUSED */ static int termp_ss_pre(DECL_ARGS) { - switch (node->type) { - case (MDOC_BLOCK): + switch (n->type) { + case ROFFT_BLOCK: term_newln(p); - if (node->prev) + if (n->prev) term_vspace(p); break; - case (MDOC_HEAD): - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SSECTION]); - p->offset = HALFINDENT; + case ROFFT_HEAD: + term_fontpush(p, TERMFONT_BOLD); + p->offset = term_len(p, (p->defindent+1)/2); break; + case ROFFT_BODY: + p->offset = term_len(p, p->defindent); + break; default: break; } @@ -1768,393 +1749,506 @@ termp_ss_pre(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void termp_ss_post(DECL_ARGS) { - switch (node->type) { - case (MDOC_HEAD): + if (n->type == ROFFT_HEAD || n->type == ROFFT_BODY) term_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]); - term_newln(p); + synopsis_pre(p, n); + term_fontpush(p, TERMFONT_BOLD); return(1); } - -/* ARGSUSED */ static int -termp_cm_pre(DECL_ARGS) +termp_in_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_CMD_FLAG]); - return(1); -} + synopsis_pre(p, n); + if (MDOC_SYNPRETTY & n->flags && MDOC_LINE & n->flags) { + term_fontpush(p, TERMFONT_BOLD); + term_word(p, "#include"); + term_word(p, "<"); + } else { + term_word(p, "<"); + term_fontpush(p, TERMFONT_UNDER); + } -/* 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]); - term_word(p, "#include"); - term_word(p, "<"); p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static void termp_in_post(DECL_ARGS) { + if (MDOC_SYNPRETTY & n->flags) + term_fontpush(p, TERMFONT_BOLD); + p->flags |= TERMP_NOSPACE; term_word(p, ">"); - term_newln(p); - if (SEC_SYNOPSIS != node->sec) - return; - if (node->next && MDOC_In != node->next->tok) - term_vspace(p); + if (MDOC_SYNPRETTY & n->flags) + term_fontpop(p); } - -/* ARGSUSED */ static int -termp_at_pre(DECL_ARGS) +termp_sp_pre(DECL_ARGS) { - const char *att; + struct roffsu su; + int i, len; - att = NULL; + switch (n->tok) { + case MDOC_sp: + if (n->child) { + if ( ! a2roffsu(n->child->string, &su, SCALE_VS)) + su.scale = 1.0; + len = term_vspan(p, &su); + } else + len = 1; + break; + case MDOC_br: + len = 0; + break; + default: + len = 1; + break; + } - if (node->child) - att = mdoc_a2att(node->child->string); - if (NULL == att) - att = "AT&T UNIX"; + if (0 == len) + term_newln(p); + else if (len < 0) + p->skipvsp -= len; + else + for (i = 0; i < len; i++) + term_vspace(p); - term_word(p, att); return(0); } - -/* ARGSUSED */ static int -termp_brq_pre(DECL_ARGS) +termp_skip_pre(DECL_ARGS) { - if (MDOC_BODY != node->type) - return(1); - term_word(p, "\\(lC"); - p->flags |= TERMP_NOSPACE; - return(1); + return(0); } - -/* ARGSUSED */ -static void -termp_brq_post(DECL_ARGS) -{ - - if (MDOC_BODY != node->type) - return; - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rC"); -} - - -/* ARGSUSED */ static int -termp_bq_pre(DECL_ARGS) +termp_quote_pre(DECL_ARGS) { - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM) return(1); - term_word(p, "\\(lB"); + + switch (n->tok) { + case MDOC_Ao: + /* FALLTHROUGH */ + case MDOC_Aq: + term_word(p, n->nchild == 1 && + n->child->tok == MDOC_Mt ? "<" : "\\(la"); + break; + case MDOC_Bro: + /* FALLTHROUGH */ + case MDOC_Brq: + term_word(p, "{"); + break; + case MDOC_Oo: + /* FALLTHROUGH */ + case MDOC_Op: + /* FALLTHROUGH */ + case MDOC_Bo: + /* FALLTHROUGH */ + case MDOC_Bq: + term_word(p, "["); + break; + case MDOC_Do: + /* FALLTHROUGH */ + case MDOC_Dq: + term_word(p, "\\(Lq"); + break; + case MDOC_En: + if (NULL == n->norm->Es || + NULL == n->norm->Es->child) + return(1); + term_word(p, n->norm->Es->child->string); + break; + case MDOC_Po: + /* FALLTHROUGH */ + case MDOC_Pq: + term_word(p, "("); + break; + case MDOC__T: + /* FALLTHROUGH */ + case MDOC_Qo: + /* FALLTHROUGH */ + case MDOC_Qq: + term_word(p, "\""); + break; + case MDOC_Ql: + /* FALLTHROUGH */ + case MDOC_So: + /* FALLTHROUGH */ + case MDOC_Sq: + term_word(p, "\\(oq"); + break; + default: + abort(); + /* NOTREACHED */ + } + p->flags |= TERMP_NOSPACE; return(1); } - -/* ARGSUSED */ static void -termp_bq_post(DECL_ARGS) +termp_quote_post(DECL_ARGS) { - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY && n->type != ROFFT_ELEM) return; + p->flags |= TERMP_NOSPACE; - term_word(p, "\\(rB"); + + switch (n->tok) { + case MDOC_Ao: + /* FALLTHROUGH */ + case MDOC_Aq: + term_word(p, n->nchild == 1 && + n->child->tok == MDOC_Mt ? ">" : "\\(ra"); + break; + case MDOC_Bro: + /* FALLTHROUGH */ + case MDOC_Brq: + term_word(p, "}"); + break; + case MDOC_Oo: + /* FALLTHROUGH */ + case MDOC_Op: + /* FALLTHROUGH */ + case MDOC_Bo: + /* FALLTHROUGH */ + case MDOC_Bq: + term_word(p, "]"); + break; + case MDOC_Do: + /* FALLTHROUGH */ + case MDOC_Dq: + term_word(p, "\\(Rq"); + break; + case MDOC_En: + if (n->norm->Es == NULL || + n->norm->Es->child == NULL || + n->norm->Es->child->next == NULL) + p->flags &= ~TERMP_NOSPACE; + else + term_word(p, n->norm->Es->child->next->string); + break; + case MDOC_Po: + /* FALLTHROUGH */ + case MDOC_Pq: + term_word(p, ")"); + break; + case MDOC__T: + /* FALLTHROUGH */ + case MDOC_Qo: + /* FALLTHROUGH */ + case MDOC_Qq: + term_word(p, "\""); + break; + case MDOC_Ql: + /* FALLTHROUGH */ + case MDOC_So: + /* FALLTHROUGH */ + case MDOC_Sq: + term_word(p, "\\(cq"); + break; + default: + abort(); + /* NOTREACHED */ + } } - -/* ARGSUSED */ static int -termp_pq_pre(DECL_ARGS) +termp_eo_pre(DECL_ARGS) { - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY) return(1); - term_word(p, "\\&("); - p->flags |= TERMP_NOSPACE; + + if (n->end == ENDBODY_NOT && + n->parent->head->child == NULL && + n->child != NULL && + n->child->end != ENDBODY_NOT) + term_word(p, "\\&"); + else if (n->end != ENDBODY_NOT ? n->child != NULL : + n->parent->head->child != NULL && (n->child != NULL || + (n->parent->tail != NULL && n->parent->tail->child != NULL))) + p->flags |= TERMP_NOSPACE; + return(1); } - -/* ARGSUSED */ static void -termp_pq_post(DECL_ARGS) +termp_eo_post(DECL_ARGS) { + int body, tail; - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY) return; - term_word(p, ")"); -} + if (n->end != ENDBODY_NOT) { + p->flags &= ~TERMP_NOSPACE; + return; + } -/* ARGSUSED */ + body = n->child != NULL || n->parent->head->child != NULL; + tail = n->parent->tail != NULL && n->parent->tail->child != NULL; + + if (body && tail) + p->flags |= TERMP_NOSPACE; + else if ( ! (body || tail)) + term_word(p, "\\&"); + else if ( ! tail) + p->flags &= ~TERMP_NOSPACE; +} + static int termp_fo_pre(DECL_ARGS) { - const struct mdoc_node *n; + size_t rmargin = 0; + int pretty; - if (MDOC_BODY == node->type) { + pretty = MDOC_SYNPRETTY & n->flags; + + if (n->type == ROFFT_BLOCK) { + synopsis_pre(p, n); + return(1); + } else if (n->type == ROFFT_BODY) { + if (pretty) { + rmargin = p->rmargin; + p->rmargin = p->offset + term_len(p, 4); + p->flags |= TERMP_NOBREAK | TERMP_BRIND | + TERMP_HANG; + } + p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; + if (pretty) { + term_flushln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | + TERMP_HANG); + p->offset = p->rmargin; + p->rmargin = rmargin; + } return(1); - } else if (MDOC_HEAD != node->type) - return(1); + } - /* XXX - groff shows only first parameter */ + if (NULL == n->child) + return(0); - p->flags |= ttypes[TTYPE_FUNC_NAME]; - for (n = node->child; n; n = n->next) { - assert(MDOC_TEXT == n->type); - term_word(p, n->string); - } - p->flags &= ~ttypes[TTYPE_FUNC_NAME]; + /* XXX: we drop non-initial arguments as per groff. */ + assert(n->child->string); + term_fontpush(p, TERMFONT_BOLD); + term_word(p, n->child->string); return(0); } - -/* ARGSUSED */ static void termp_fo_post(DECL_ARGS) { - if (MDOC_BODY != node->type) + if (n->type != ROFFT_BODY) return; + p->flags |= TERMP_NOSPACE; term_word(p, ")"); - p->flags |= TERMP_NOSPACE; - term_word(p, ";"); - term_newln(p); + + if (MDOC_SYNPRETTY & n->flags) { + p->flags |= TERMP_NOSPACE; + term_word(p, ";"); + term_flushln(p); + } } - -/* ARGSUSED */ static int termp_bf_pre(DECL_ARGS) { - const struct mdoc_node *n; - if (MDOC_HEAD == node->type) { + if (n->type == ROFFT_HEAD) return(0); - } else if (MDOC_BLOCK != node->type) + else if (n->type != ROFFT_BODY) return(1); - if (NULL == (n = node->head->child)) { - if (arg_hasattr(MDOC_Emphasis, node)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - else if (arg_hasattr(MDOC_Symbolic, node)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); + if (FONT_Em == n->norm->Bf.font) + term_fontpush(p, TERMFONT_UNDER); + else if (FONT_Sy == n->norm->Bf.font) + term_fontpush(p, TERMFONT_BOLD); + else + term_fontpush(p, TERMFONT_NONE); - return(1); - } - - assert(MDOC_TEXT == n->type); - if (0 == strcmp("Em", n->string)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - else if (0 == strcmp("Sy", n->string)) - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_EMPH]); - return(1); } - -/* ARGSUSED */ static int -termp_sy_pre(DECL_ARGS) +termp_sm_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMB]); - return(1); -} + if (NULL == n->child) + p->flags ^= TERMP_NONOSPACE; + else if (0 == strcmp("on", n->child->string)) + p->flags &= ~TERMP_NONOSPACE; + else + p->flags |= TERMP_NONOSPACE; + if (p->col && ! (TERMP_NONOSPACE & p->flags)) + p->flags &= ~TERMP_NOSPACE; -/* ARGSUSED */ + return(0); +} + static int -termp_ms_pre(DECL_ARGS) +termp_ap_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_SYMBOL]); + p->flags |= TERMP_NOSPACE; + term_word(p, "'"); + p->flags |= TERMP_NOSPACE; return(1); } +static void +termp____post(DECL_ARGS) +{ + /* + * Handle lists of authors. In general, print each followed by + * a comma. Don't print the comma if there are only two + * authors. + */ + if (MDOC__A == n->tok && n->next && MDOC__A == n->next->tok) + if (NULL == n->next->next || MDOC__A != n->next->next->tok) + if (NULL == n->prev || MDOC__A != n->prev->tok) + return; -/* ARGSUSED */ -static int -termp_sm_pre(DECL_ARGS) -{ + /* TODO: %U. */ - assert(node->child && MDOC_TEXT == node->child->type); - if (0 == strcmp("on", node->child->string)) { - p->flags &= ~TERMP_NONOSPACE; - p->flags &= ~TERMP_NOSPACE; - } else - p->flags |= TERMP_NONOSPACE; + if (NULL == n->parent || MDOC_Rs != n->parent->tok) + return; - return(0); + p->flags |= TERMP_NOSPACE; + if (NULL == n->next) { + term_word(p, "."); + p->flags |= TERMP_SENTENCE; + } else + term_word(p, ","); } - -/* ARGSUSED */ static int -termp_ap_pre(DECL_ARGS) +termp_li_pre(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; - term_word(p, "\\(aq"); - p->flags |= TERMP_NOSPACE; + term_fontpush(p, TERMFONT_NONE); return(1); } - -/* ARGSUSED */ static int -termp__j_pre(DECL_ARGS) +termp_lk_pre(DECL_ARGS) { + const struct roff_node *link, *descr; - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_REF_JOURNAL]); - return(1); -} + if (NULL == (link = n->child)) + return(0); + if (NULL != (descr = link->next)) { + term_fontpush(p, TERMFONT_UNDER); + while (NULL != descr) { + term_word(p, descr->string); + descr = descr->next; + } + p->flags |= TERMP_NOSPACE; + term_word(p, ":"); + term_fontpop(p); + } -/* ARGSUSED */ + term_fontpush(p, TERMFONT_BOLD); + term_word(p, link->string); + term_fontpop(p); + + return(0); +} + static int -termp__t_pre(DECL_ARGS) +termp_bk_pre(DECL_ARGS) { - term_word(p, "\""); - p->flags |= TERMP_NOSPACE; + switch (n->type) { + case ROFFT_BLOCK: + break; + case ROFFT_HEAD: + return(0); + case ROFFT_BODY: + if (n->parent->args || 0 == n->prev->nchild) + p->flags |= TERMP_PREKEEP; + break; + default: + abort(); + /* NOTREACHED */ + } + return(1); } - -/* ARGSUSED */ static void -termp__t_post(DECL_ARGS) +termp_bk_post(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; - term_word(p, "\""); - termp____post(p, pair, meta, node); + if (n->type == ROFFT_BODY) + p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); } - -/* ARGSUSED */ static void -termp____post(DECL_ARGS) +termp__t_post(DECL_ARGS) { - p->flags |= TERMP_NOSPACE; - term_word(p, node->next ? "," : "."); + /* + * If we're in an `Rs' and there's a journal present, then quote + * us instead of underlining us (for disambiguation). + */ + if (n->parent && MDOC_Rs == n->parent->tok && + n->parent->norm->Rs.quote_T) + termp_quote_post(p, pair, meta, n); + + termp____post(p, pair, meta, n); } - -/* ARGSUSED */ static int -termp_lk_pre(DECL_ARGS) +termp__t_pre(DECL_ARGS) { - const struct mdoc_node *n; - assert(node->child); - n = node->child; + /* + * If we're in an `Rs' and there's a journal present, then quote + * us instead of underlining us (for disambiguation). + */ + if (n->parent && MDOC_Rs == n->parent->tok && + n->parent->norm->Rs.quote_T) + return(termp_quote_pre(p, pair, meta, n)); - if (NULL == n->next) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]); - return(1); - } - - p->flags |= ttypes[TTYPE_LINK_ANCHOR]; - term_word(p, n->string); - p->flags |= TERMP_NOSPACE; - term_word(p, ":"); - p->flags &= ~ttypes[TTYPE_LINK_ANCHOR]; - - p->flags |= ttypes[TTYPE_LINK_TEXT]; - for (n = n->next; n; n = n->next) - term_word(p, n->string); - - p->flags &= ~ttypes[TTYPE_LINK_TEXT]; - return(0); + term_fontpush(p, TERMFONT_UNDER); + return(1); } - -/* ARGSUSED */ static int -termp_mt_pre(DECL_ARGS) +termp_under_pre(DECL_ARGS) { - TERMPAIR_SETFLAG(p, pair, ttypes[TTYPE_LINK_ANCHOR]); + term_fontpush(p, TERMFONT_UNDER); return(1); } - -