/* $Id: mdoc_term.c,v 1.165 2014/04/08 07:13:01 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons * Copyright (c) 2010, 2012, 2013, 2014 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 * 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 #include "mandoc.h" #include "out.h" #include "term.h" #include "mdoc.h" #include "main.h" struct termpair { struct termpair *ppair; int count; }; #define DECL_ARGS struct termp *p, \ struct termpair *pair, \ const struct mdoc_meta *meta, \ struct mdoc_node *n struct termact { int (*pre)(DECL_ARGS); void (*post)(DECL_ARGS); }; static size_t a2width(const struct termp *, const char *); static size_t a2height(const struct termp *, const char *); static size_t a2offs(const struct termp *, const char *); static void print_bvspace(struct termp *, const struct mdoc_node *, const struct mdoc_node *); static void print_mdoc_node(DECL_ARGS); static void print_mdoc_nodelist(DECL_ARGS); static void print_mdoc_head(struct termp *, const void *); static void print_mdoc_foot(struct termp *, const void *); static void synopsis_pre(struct termp *, const struct mdoc_node *); static void termp____post(DECL_ARGS); static void termp__t_post(DECL_ARGS); static void termp_an_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_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_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_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_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 */ { termp_bl_pre, termp_bl_post }, /* Bl */ { NULL, NULL }, /* El */ { termp_it_pre, termp_it_post }, /* It */ { termp_under_pre, NULL }, /* Ad */ { termp_an_pre, termp_an_post }, /* An */ { termp_under_pre, NULL }, /* Ar */ { termp_cd_pre, NULL }, /* Cd */ { 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_fl_pre, NULL }, /* Fl */ { 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 */ { NULL, NULL }, /* Ot */ { termp_under_pre, NULL }, /* Pa */ { termp_rv_pre, NULL }, /* Rv */ { NULL, NULL }, /* St */ { termp_under_pre, NULL }, /* Va */ { termp_vt_pre, NULL }, /* Vt */ { termp_xr_pre, NULL }, /* Xr */ { termp__a_pre, termp____post }, /* %A */ { termp_under_pre, termp____post }, /* %B */ { NULL, termp____post }, /* %D */ { termp_under_pre, termp____post }, /* %I */ { termp_under_pre, 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_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_quote_pre, termp_quote_post }, /* Bo */ { termp_quote_pre, termp_quote_post }, /* Bq */ { termp_xx_pre, NULL }, /* Bsx */ { termp_bx_pre, NULL }, /* Bx */ { NULL, NULL }, /* Db */ { NULL, NULL }, /* Dc */ { termp_quote_pre, termp_quote_post }, /* Do */ { termp_quote_pre, termp_quote_post }, /* Dq */ { NULL, NULL }, /* Ec */ /* FIXME: no space */ { NULL, NULL }, /* Ef */ { termp_under_pre, NULL }, /* Em */ { termp_quote_pre, termp_quote_post }, /* Eo */ { termp_xx_pre, NULL }, /* Fx */ { termp_bold_pre, NULL }, /* Ms */ { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ { termp_xx_pre, NULL }, /* Nx */ { termp_xx_pre, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ { NULL, termp_pf_post }, /* Pf */ { termp_quote_pre, termp_quote_post }, /* Po */ { termp_quote_pre, termp_quote_post }, /* Pq */ { NULL, NULL }, /* Qc */ { 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_quote_pre, termp_quote_post }, /* So */ { termp_quote_pre, termp_quote_post }, /* Sq */ { termp_sm_pre, NULL }, /* Sm */ { termp_under_pre, NULL }, /* Sx */ { termp_bold_pre, NULL }, /* Sy */ { NULL, NULL }, /* Tn */ { termp_xx_pre, NULL }, /* Ux */ { NULL, NULL }, /* Xc */ { NULL, NULL }, /* Xo */ { termp_fo_pre, termp_fo_post }, /* Fo */ { NULL, NULL }, /* Fc */ { termp_quote_pre, termp_quote_post }, /* Oo */ { NULL, NULL }, /* Oc */ { termp_bk_pre, termp_bk_post }, /* Bk */ { NULL, NULL }, /* Ek */ { termp_bt_pre, NULL }, /* Bt */ { NULL, NULL }, /* Hf */ { NULL, NULL }, /* Fr */ { termp_ud_pre, NULL }, /* Ud */ { 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 */ { NULL, NULL }, /* Es */ /* TODO */ { NULL, NULL }, /* En */ /* TODO */ { 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 */ }; void terminal_mdoc(void *arg, const struct mdoc *mdoc) { const struct mdoc_node *n; const struct mdoc_meta *meta; struct termp *p; p = (struct termp *)arg; if (0 == p->defindent) p->defindent = 5; p->overstep = 0; p->maxrmargin = p->defrmargin; p->tabwidth = term_len(p, 5); if (NULL == p->symtab) p->symtab = mchars_alloc(); n = mdoc_node(mdoc); meta = mdoc_meta(mdoc); term_begin(p, print_mdoc_head, print_mdoc_foot, meta); if (n->child) print_mdoc_nodelist(p, NULL, meta, n->child); term_end(p); } static void print_mdoc_nodelist(DECL_ARGS) { print_mdoc_node(p, pair, meta, n); if (n->next) print_mdoc_nodelist(p, pair, meta, n->next); } /* ARGSUSED */ static void print_mdoc_node(DECL_ARGS) { int chld; struct termpair npair; size_t offset, rmargin; chld = 1; offset = p->offset; rmargin = p->rmargin; n->prev_font = term_fontq(p); memset(&npair, 0, sizeof(struct termpair)); npair.ppair = pair; /* * Keeps only work until the end of a line. If a keep was * invoked in a prior line, revert it to PREKEEP. */ if (TERMP_KEEP & p->flags) { if (n->prev ? (n->prev->lastline != n->line) : (n->parent && n->parent->line != n->line)) { p->flags &= ~TERMP_KEEP; p->flags |= TERMP_PREKEEP; } } /* * After the keep flags have been set up, we may now * produce output. Note that some pre-handlers do so. */ switch (n->type) { case (MDOC_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 (MDOC_EQN): term_eqn(p, n->eqn); break; case (MDOC_TBL): term_tbl(p, n->span); break; default: if (termacts[n->tok].pre && ENDBODY_NOT == n->end) chld = (*termacts[n->tok].pre) (p, &npair, meta, n); break; } if (chld && n->child) print_mdoc_nodelist(p, &npair, meta, n->child); term_fontpopq(p, (ENDBODY_NOT == n->end ? n : n->pending)->prev_font); switch (n->type) { case (MDOC_TEXT): break; case (MDOC_TBL): break; case (MDOC_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->pending->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_mdoc_foot(struct termp *p, const void *arg) { const struct mdoc_meta *meta; meta = (const struct mdoc_meta *)arg; 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: * * SYSTEM DATE SYSTEM */ term_vspace(p); p->offset = 0; p->rmargin = (p->maxrmargin - term_strlen(p, meta->date) + term_len(p, 1)) / 2; p->trailspace = 1; p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; term_word(p, meta->os); term_flushln(p); p->offset = p->rmargin; p->rmargin = p->maxrmargin - term_strlen(p, meta->os); p->flags |= TERMP_NOSPACE; 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_NOSPACE; term_word(p, meta->os); term_flushln(p); p->offset = 0; p->rmargin = p->maxrmargin; p->flags = 0; } static void print_mdoc_head(struct termp *p, const void *arg) { char buf[BUFSIZ], title[BUFSIZ]; size_t buflen, titlen; const struct mdoc_meta *meta; meta = (const struct mdoc_meta *)arg; /* * The header is strange. It has three components, which are * really two with the first duplicated. It goes like this: * * IDENTIFIER TITLE IDENTIFIER * * The IDENTIFIER is NAME(SECTION), which is the command-name * (if given, or "unknown" if not) followed by the manual page * section. These are given in `Dt'. The TITLE is a free-form * string depending on the manual volume. If not specified, it * switches on the manual section. */ p->offset = 0; p->rmargin = p->maxrmargin; assert(meta->vol); strlcpy(buf, meta->vol, BUFSIZ); buflen = term_strlen(p, buf); if (meta->arch) { strlcat(buf, " (", BUFSIZ); strlcat(buf, meta->arch, BUFSIZ); strlcat(buf, ")", BUFSIZ); } snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec); titlen = term_strlen(p, title); p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; p->trailspace = 1; p->offset = 0; p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ? (p->maxrmargin - term_strlen(p, buf) + term_len(p, 1)) / 2 : p->maxrmargin - buflen; term_word(p, title); term_flushln(p); p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; p->rmargin = p->offset + buflen + titlen < p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin; term_word(p, buf); term_flushln(p); p->flags &= ~TERMP_NOBREAK; 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); } p->flags &= ~TERMP_NOSPACE; p->offset = 0; p->rmargin = p->maxrmargin; } static size_t a2height(const struct termp *p, const char *v) { struct roffsu su; assert(v); if ( ! a2roffsu(v, &su, SCALE_VS)) SCALE_VS_INIT(&su, atoi(v)); return(term_vspan(p, &su)); } static size_t a2width(const struct termp *p, const char *v) { struct roffsu su; assert(v); if ( ! a2roffsu(v, &su, SCALE_MAX)) SCALE_HS_INIT(&su, term_strlen(p, v)); return(term_hspan(p, &su)); } static size_t a2offs(const struct termp *p, const char *v) { struct roffsu su; if ('\0' == *v) return(0); else if (0 == strcmp(v, "left")) return(0); else if (0 == strcmp(v, "indent")) return(term_len(p, p->defindent + 1)); else if (0 == strcmp(v, "indent-two")) return(term_len(p, (p->defindent + 1) * 2)); else if ( ! a2roffsu(v, &su, SCALE_MAX)) SCALE_HS_INIT(&su, term_strlen(p, v)); return(term_hspan(p, &su)); } /* * 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 mdoc_node *bl, const struct mdoc_node *n) { const struct mdoc_node *nn; assert(n); term_newln(p); if (MDOC_Bd == bl->tok && bl->norm->Bd.comp) return; if (MDOC_Bl == bl->tok && bl->norm->Bl.comp) return; /* Do not vspace directly after Ss/Sh. */ for (nn = n; nn; nn = nn->parent) { if (MDOC_BLOCK != nn->type) continue; if (MDOC_Ss == nn->tok) return; if (MDOC_Sh == nn->tok) return; if (NULL == nn->prev) continue; break; } /* A `-column' does not assert vspace within the list. */ if (MDOC_Bl == bl->tok && LIST_column == bl->norm->Bl.type) if (n->prev && MDOC_It == n->prev->tok) return; /* A `-diag' without body does not vspace. */ 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; } term_vspace(p); } /* ARGSUSED */ static int termp_ll_pre(DECL_ARGS) { term_setwidth(p, n->nchild ? n->child->string : NULL); return(0); } /* ARGSUSED */ static int termp_it_pre(DECL_ARGS) { const struct mdoc_node *bl, *nn; char buf[7]; int i; size_t width, offset, ncols, dcol; enum mdoc_list type; if (MDOC_BLOCK == n->type) { print_bvspace(p, n->parent->parent, n); return(1); } bl = n->parent->parent->parent; type = bl->norm->Bl.type; /* * 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. */ width = offset = 0; if (bl->norm->Bl.offs) offset = a2offs(p, bl->norm->Bl.offs); switch (type) { case (LIST_column): if (MDOC_HEAD == n->type) break; /* * 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; /* LINTED */ dcol = ncols < 5 ? term_len(p, 4) : ncols == 5 ? term_len(p, 3) : term_len(p, 1); /* * Calculate the offset by applying all prior MDOC_BODY, * so we stop at the MDOC_HEAD (NULL == nn->prev). */ for (i = 0, nn = n->prev; nn->prev && i < (int)ncols; nn = nn->prev, i++) offset += dcol + a2width (p, bl->norm->Bl.cols[i]); /* * 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; /* * Use the declared column widths, extended as explained * in the preceding paragraph. */ width = a2width(p, bl->norm->Bl.cols[i]) + dcol; break; default: if (NULL == bl->norm->Bl.width) break; /* * 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. */ assert(bl->norm->Bl.width); width = a2width(p, bl->norm->Bl.width) + term_len(p, 2); 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 (LIST_bullet): /* FALLTHROUGH */ case (LIST_dash): /* FALLTHROUGH */ case (LIST_hyphen): /* FALLTHROUGH */ case (LIST_enum): if (width < term_len(p, 2)) width = term_len(p, 2); break; case (LIST_hang): if (0 == width) width = term_len(p, 8); break; case (LIST_column): /* FALLTHROUGH */ case (LIST_tag): if (0 == width) width = term_len(p, 10); break; default: break; } /* * Whitespace control. Inset bodies need an initial space, * while diagonal bodies need two. */ p->flags |= TERMP_NOSPACE; switch (type) { case (LIST_diag): if (MDOC_BODY == n->type) term_word(p, "\\ \\ "); break; case (LIST_inset): if (MDOC_BODY == n->type) term_word(p, "\\ "); break; default: break; } p->flags |= TERMP_NOSPACE; switch (type) { case (LIST_diag): if (MDOC_HEAD == n->type) term_fontpush(p, TERMFONT_BOLD); break; default: break; } /* * 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 (LIST_enum): /* * Weird special case. * Very narrow enum lists actually hang. */ if (width == term_len(p, 2)) p->flags |= TERMP_HANG; /* FALLTHROUGH */ case (LIST_bullet): /* FALLTHROUGH */ case (LIST_dash): /* FALLTHROUGH */ case (LIST_hyphen): if (MDOC_HEAD != n->type) break; p->flags |= TERMP_NOBREAK; p->trailspace = 1; break; case (LIST_hang): if (MDOC_HEAD != n->type) 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 (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 (LIST_tag): if (MDOC_HEAD != n->type) 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 (MDOC_HEAD == n->type) 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 (MDOC_HEAD != n->type) 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. */ p->offset += offset; switch (type) { 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 (MDOC_HEAD == n->type && n->next->child && (MDOC_Bl == n->next->child->tok || MDOC_Bd == n->next->child->tok)) break; /* FALLTHROUGH */ case (LIST_bullet): /* FALLTHROUGH */ case (LIST_dash): /* FALLTHROUGH */ case (LIST_enum): /* FALLTHROUGH */ case (LIST_hyphen): /* FALLTHROUGH */ case (LIST_tag): assert(width); if (MDOC_HEAD == n->type) p->rmargin = p->offset + width; else { p->offset += width; if (p->rmargin < p->offset) p->rmargin = p->offset; } break; 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 (MDOC_HEAD == n->type) 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). */ if (MDOC_HEAD == n->type) switch (type) { case (LIST_bullet): term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\[bu]"); term_fontpop(p); break; case (LIST_dash): /* FALLTHROUGH */ case (LIST_hyphen): term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\(hy"); term_fontpop(p); break; case (LIST_enum): (pair->ppair->ppair->count)++; snprintf(buf, sizeof(buf), "%d.", pair->ppair->ppair->count); term_word(p, buf); break; default: break; } /* * If we're not going to process our children, indicate so here. */ switch (type) { case (LIST_bullet): /* FALLTHROUGH */ case (LIST_item): /* FALLTHROUGH */ case (LIST_dash): /* FALLTHROUGH */ case (LIST_hyphen): /* FALLTHROUGH */ case (LIST_enum): if (MDOC_HEAD == n->type) return(0); break; case (LIST_column): if (MDOC_HEAD == n->type) return(0); break; default: break; } return(1); } /* ARGSUSED */ static void termp_it_post(DECL_ARGS) { enum mdoc_list type; if (MDOC_BLOCK == n->type) return; type = n->parent->parent->parent->norm->Bl.type; switch (type) { case (LIST_item): /* FALLTHROUGH */ case (LIST_diag): /* FALLTHROUGH */ case (LIST_inset): if (MDOC_BODY == n->type) term_newln(p); break; case (LIST_column): if (MDOC_BODY == n->type) term_flushln(p); break; default: term_newln(p); break; } /* * 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) { if (MDOC_BLOCK == n->type) { p->flags |= TERMP_PREKEEP; return(1); } if (MDOC_BODY == n->type) { if (NULL == n->child) return(0); p->flags |= TERMP_NOSPACE; p->offset += term_len(p, 1) + (NULL == n->prev->child ? term_strlen(p, meta->name) : MDOC_TEXT == n->prev->child->type ? term_strlen(p, n->prev->child->string) : term_len(p, 5)); if (p->rmargin < p->offset) p->rmargin = p->offset; return(1); } if (NULL == n->child && NULL == meta->name) return(0); if (MDOC_HEAD == n->type) synopsis_pre(p, n->parent); if (MDOC_HEAD == n->type && 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 (MDOC_TEXT == n->child->type) { 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); } /* ARGSUSED */ static void termp_nm_post(DECL_ARGS) { if (MDOC_BLOCK == n->type) { p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); } else if (MDOC_HEAD == n->type && n->next->child) { term_flushln(p); p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); p->trailspace = 0; } else if (MDOC_BODY == n->type && n->child) term_flushln(p); } /* ARGSUSED */ static int termp_fl_pre(DECL_ARGS) { term_fontpush(p, TERMFONT_BOLD); term_word(p, "\\-"); if (n->child) p->flags |= TERMP_NOSPACE; else if (n->next && n->next->line == n->line) p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp__a_pre(DECL_ARGS) { 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_an_pre(DECL_ARGS) { if (NULL == n->child) return(1); /* * If not in the AUTHORS section, `An -split' will cause * newlines to occur before the author name. If in the AUTHORS * section, by default, the first `An' invocation is nosplit, * then all subsequent ones, regardless of whether interspersed * with other macros/text, are split. -split, in this case, * will override the condition of the implied first -nosplit. */ if (n->sec == SEC_AUTHORS) { if ( ! (TERMP_ANPREC & p->flags)) { if (TERMP_SPLIT & p->flags) term_newln(p); return(1); } if (TERMP_NOSPLIT & p->flags) return(1); term_newln(p); return(1); } if (TERMP_SPLIT & p->flags) term_newln(p); return(1); } /* ARGSUSED */ static void termp_an_post(DECL_ARGS) { if (n->child) { if (SEC_AUTHORS == n->sec) p->flags |= TERMP_ANPREC; return; } if (AUTH_split == n->norm->An.auth) { p->flags &= ~TERMP_NOSPLIT; p->flags |= TERMP_SPLIT; } else if (AUTH_nosplit == n->norm->An.auth) { p->flags &= ~TERMP_SPLIT; p->flags |= TERMP_NOSPLIT; } } /* ARGSUSED */ static int termp_ns_pre(DECL_ARGS) { if ( ! (MDOC_LINE & n->flags)) p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ static int termp_rs_pre(DECL_ARGS) { if (SEC_SEE_ALSO != n->sec) return(1); if (MDOC_BLOCK == n->type && n->prev) term_vspace(p); return(1); } /* ARGSUSED */ static int termp_rv_pre(DECL_ARGS) { int nchild; term_newln(p); term_word(p, "The"); nchild = n->nchild; for (n = n->child; n; n = n->next) { term_fontpush(p, TERMFONT_BOLD); term_word(p, n->string); term_fontpop(p); p->flags |= TERMP_NOSPACE; term_word(p, "()"); if (nchild > 2 && n->next) { p->flags |= TERMP_NOSPACE; term_word(p, ","); } if (n->next && NULL == n->next->next) 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; otherwise the value " "-1 is returned and the global variable"); term_fontpush(p, TERMFONT_UNDER); term_word(p, "errno"); term_fontpop(p); term_word(p, "is set to indicate the error."); p->flags |= TERMP_SENTENCE; return(0); } /* ARGSUSED */ static int termp_ex_pre(DECL_ARGS) { int nchild; term_newln(p); term_word(p, "The"); nchild = n->nchild; for (n = n->child; n; n = n->next) { term_fontpush(p, TERMFONT_BOLD); term_word(p, n->string); term_fontpop(p); if (nchild > 2 && n->next) { p->flags |= TERMP_NOSPACE; term_word(p, ","); } if (n->next && NULL == n->next->next) term_word(p, "and"); } if (nchild > 1) term_word(p, "utilities exit"); else term_word(p, "utility exits"); term_word(p, "0 on success, and >0 if an error occurs."); p->flags |= TERMP_SENTENCE; return(0); } /* ARGSUSED */ static int termp_nd_pre(DECL_ARGS) { if (MDOC_BODY != n->type) return(1); #if defined(__OpenBSD__) || defined(__linux__) term_word(p, "\\(en"); #else term_word(p, "\\(em"); #endif return(1); } /* ARGSUSED */ static int termp_bl_pre(DECL_ARGS) { return(MDOC_HEAD != n->type); } /* ARGSUSED */ static void termp_bl_post(DECL_ARGS) { if (MDOC_BLOCK == n->type) term_newln(p); } /* ARGSUSED */ static int termp_xr_pre(DECL_ARGS) { if (NULL == (n = n->child)) return(0); assert(MDOC_TEXT == n->type); term_word(p, n->string); if (NULL == (n = n->next)) return(0); p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; assert(MDOC_TEXT == n->type); 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 mdoc_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; /* * 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) { if (MDOC_ELEM == n->type) { synopsis_pre(p, n); return(termp_under_pre(p, pair, meta, n)); } else if (MDOC_BLOCK == n->type) { synopsis_pre(p, n); return(1); } else if (MDOC_HEAD == n->type) return(0); return(termp_under_pre(p, pair, meta, n)); } /* ARGSUSED */ static int termp_bold_pre(DECL_ARGS) { term_fontpush(p, TERMFONT_BOLD); return(1); } /* ARGSUSED */ static int termp_fd_pre(DECL_ARGS) { synopsis_pre(p, n); return(termp_bold_pre(p, pair, meta, n)); } /* ARGSUSED */ static void termp_fd_post(DECL_ARGS) { term_newln(p); } /* ARGSUSED */ static int termp_sh_pre(DECL_ARGS) { /* No vspace between consecutive `Sh' calls. */ switch (n->type) { case (MDOC_BLOCK): if (n->prev && MDOC_Sh == n->prev->tok) if (NULL == n->prev->body->child) break; term_vspace(p); break; case (MDOC_HEAD): term_fontpush(p, TERMFONT_BOLD); break; case (MDOC_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 (n->type) { case (MDOC_HEAD): term_newln(p); break; case (MDOC_BODY): term_newln(p); p->offset = 0; break; default: break; } } /* ARGSUSED */ static int termp_bt_pre(DECL_ARGS) { term_word(p, "is currently in beta test."); p->flags |= TERMP_SENTENCE; return(0); } /* ARGSUSED */ static void termp_lb_post(DECL_ARGS) { 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."); p->flags |= TERMP_SENTENCE; return(0); } /* ARGSUSED */ static int termp_d1_pre(DECL_ARGS) { if (MDOC_BLOCK != n->type) return(1); term_newln(p); p->offset += term_len(p, p->defindent + 1); return(1); } /* ARGSUSED */ static int termp_ft_pre(DECL_ARGS) { /* NB: MDOC_LINE does not effect this! */ synopsis_pre(p, n); term_fontpush(p, TERMFONT_UNDER); return(1); } /* ARGSUSED */ static int termp_fn_pre(DECL_ARGS) { size_t rmargin = 0; int pretty; pretty = MDOC_SYNPRETTY & n->flags; synopsis_pre(p, n); if (NULL == (n = n->child)) return(0); if (pretty) { rmargin = p->rmargin; p->rmargin = p->offset + term_len(p, 4); p->flags |= TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG; } assert(MDOC_TEXT == n->type); term_fontpush(p, TERMFONT_BOLD); term_word(p, n->string); term_fontpop(p); if (pretty) { term_flushln(p); p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND | TERMP_HANG); p->offset = p->rmargin; p->rmargin = rmargin; } p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; for (n = n->next; n; n = n->next) { assert(MDOC_TEXT == n->type); term_fontpush(p, TERMFONT_UNDER); if (pretty) p->flags |= TERMP_NBRWORD; term_word(p, n->string); term_fontpop(p); if (n->next) { p->flags |= TERMP_NOSPACE; term_word(p, ","); } } p->flags |= TERMP_NOSPACE; term_word(p, ")"); if (pretty) { p->flags |= TERMP_NOSPACE; term_word(p, ";"); term_flushln(p); } return(0); } /* ARGSUSED */ static int termp_fa_pre(DECL_ARGS) { const struct mdoc_node *nn; if (n->parent->tok != MDOC_Fo) { term_fontpush(p, TERMFONT_UNDER); return(1); } 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, ","); } } return(0); } /* ARGSUSED */ static int termp_bd_pre(DECL_ARGS) { size_t tabwidth, rm, rmax; struct mdoc_node *nn; if (MDOC_BLOCK == n->type) { print_bvspace(p, n, n); return(1); } else if (MDOC_HEAD == n->type) return(0); if (n->norm->Bd.offs) p->offset += a2offs(p, n->norm->Bd.offs); /* * If -ragged or -filled are specified, the block does nothing * 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 (DISP_literal != n->norm->Bd.type && DISP_unfilled != n->norm->Bd.type) return(1); tabwidth = p->tabwidth; if (DISP_literal == n->norm->Bd.type) p->tabwidth = term_len(p, 8); rm = p->rmargin; rmax = p->maxrmargin; p->rmargin = p->maxrmargin = TERM_MAXMARGIN; for (nn = n->child; nn; nn = nn->next) { 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_br): /* FALLTHROUGH */ case (MDOC_sp): /* FALLTHROUGH */ case (MDOC_Bl): /* FALLTHROUGH */ case (MDOC_D1): /* FALLTHROUGH */ case (MDOC_Dl): /* FALLTHROUGH */ case (MDOC_Lp): /* FALLTHROUGH */ case (MDOC_Pp): continue; default: break; } if (nn->next && nn->next->line == nn->line) continue; term_flushln(p); p->flags |= TERMP_NOSPACE; } 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 != n->type) return; 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; p->flags |= TERMP_NOSPACE; term_newln(p); p->rmargin = rm; p->maxrmargin = rmax; } /* ARGSUSED */ static int termp_bx_pre(DECL_ARGS) { 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); } if (NULL != (n = n->next)) { p->flags |= TERMP_NOSPACE; term_word(p, "-"); p->flags |= TERMP_NOSPACE; term_word(p, n->string); } return(0); } /* ARGSUSED */ static int termp_xx_pre(DECL_ARGS) { const char *pp; int flags; 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 */ } 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 void termp_pf_post(DECL_ARGS) { p->flags |= TERMP_NOSPACE; } /* ARGSUSED */ static int termp_ss_pre(DECL_ARGS) { switch (n->type) { case (MDOC_BLOCK): term_newln(p); if (n->prev) term_vspace(p); break; case (MDOC_HEAD): term_fontpush(p, TERMFONT_BOLD); p->offset = term_len(p, (p->defindent+1)/2); break; default: break; } return(1); } /* ARGSUSED */ static void termp_ss_post(DECL_ARGS) { if (MDOC_HEAD == n->type) term_newln(p); } /* ARGSUSED */ static int termp_cd_pre(DECL_ARGS) { synopsis_pre(p, n); term_fontpush(p, TERMFONT_BOLD); return(1); } /* ARGSUSED */ static int termp_in_pre(DECL_ARGS) { 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); } 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, ">"); if (MDOC_SYNPRETTY & n->flags) term_fontpop(p); } /* ARGSUSED */ static int termp_sp_pre(DECL_ARGS) { size_t i, len; switch (n->tok) { case (MDOC_sp): len = n->child ? a2height(p, n->child->string) : 1; break; case (MDOC_br): len = 0; break; default: len = 1; break; } if (0 == len) term_newln(p); for (i = 0; i < len; i++) term_vspace(p); return(0); } /* ARGSUSED */ static int termp_quote_pre(DECL_ARGS) { if (MDOC_BODY != n->type && MDOC_ELEM != n->type) return(1); switch (n->tok) { case (MDOC_Ao): /* FALLTHROUGH */ case (MDOC_Aq): term_word(p, "<"); 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_Eo): 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_quote_post(DECL_ARGS) { if (MDOC_BODY != n->type && MDOC_ELEM != n->type) return; p->flags |= TERMP_NOSPACE; switch (n->tok) { case (MDOC_Ao): /* FALLTHROUGH */ case (MDOC_Aq): term_word(p, ">"); 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_Eo): 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_fo_pre(DECL_ARGS) { size_t rmargin = 0; int pretty; pretty = MDOC_SYNPRETTY & n->flags; if (MDOC_BLOCK == n->type) { synopsis_pre(p, n); return(1); } else if (MDOC_BODY == n->type) { 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); } if (NULL == n->child) return(0); /* 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 != n->type) return; p->flags |= TERMP_NOSPACE; term_word(p, ")"); if (MDOC_SYNPRETTY & n->flags) { p->flags |= TERMP_NOSPACE; term_word(p, ";"); term_flushln(p); } } /* ARGSUSED */ static int termp_bf_pre(DECL_ARGS) { if (MDOC_HEAD == n->type) return(0); else if (MDOC_BODY != n->type) return(1); 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); } /* ARGSUSED */ static int termp_sm_pre(DECL_ARGS) { assert(n->child && MDOC_TEXT == n->child->type); if (0 == strcmp("on", n->child->string)) { if (p->col) p->flags &= ~TERMP_NOSPACE; p->flags &= ~TERMP_NONOSPACE; } else p->flags |= TERMP_NONOSPACE; return(0); } /* ARGSUSED */ static int termp_ap_pre(DECL_ARGS) { p->flags |= TERMP_NOSPACE; term_word(p, "'"); p->flags |= TERMP_NOSPACE; return(1); } /* ARGSUSED */ 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; /* TODO: %U. */ if (NULL == n->parent || MDOC_Rs != n->parent->tok) return; p->flags |= TERMP_NOSPACE; if (NULL == n->next) { term_word(p, "."); p->flags |= TERMP_SENTENCE; } else term_word(p, ","); } /* ARGSUSED */ static int termp_li_pre(DECL_ARGS) { term_fontpush(p, TERMFONT_NONE); return(1); } /* ARGSUSED */ static int termp_lk_pre(DECL_ARGS) { const struct mdoc_node *link, *descr; 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); } term_fontpush(p, TERMFONT_BOLD); term_word(p, link->string); term_fontpop(p); return(0); } /* ARGSUSED */ static int termp_bk_pre(DECL_ARGS) { switch (n->type) { case (MDOC_BLOCK): break; case (MDOC_HEAD): return(0); case (MDOC_BODY): if (n->parent->args || 0 == n->prev->nchild) p->flags |= TERMP_PREKEEP; break; default: abort(); /* NOTREACHED */ } return(1); } /* ARGSUSED */ static void termp_bk_post(DECL_ARGS) { if (MDOC_BODY == n->type) p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); } /* ARGSUSED */ static void termp__t_post(DECL_ARGS) { /* * 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__t_pre(DECL_ARGS) { /* * 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)); term_fontpush(p, TERMFONT_UNDER); return(1); } /* ARGSUSED */ static int termp_under_pre(DECL_ARGS) { term_fontpush(p, TERMFONT_UNDER); return(1); }