=================================================================== RCS file: /cvs/mandoc/mdoc_term.c,v retrieving revision 1.242 retrieving revision 1.255 diff -u -p -r1.242 -r1.255 --- mandoc/mdoc_term.c 2012/07/10 14:38:51 1.242 +++ mandoc/mdoc_term.c 2013/12/25 00:39:31 1.255 @@ -1,7 +1,7 @@ -/* $Id: mdoc_term.c,v 1.242 2012/07/10 14:38:51 schwarze Exp $ */ +/* $Id: mdoc_term.c,v 1.255 2013/12/25 00:39:31 schwarze Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons - * Copyright (c) 2010, 2012 Ingo Schwarze + * Copyright (c) 2010, 2012, 2013 Ingo Schwarze * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -41,8 +41,8 @@ struct termpair { #define DECL_ARGS struct termp *p, \ struct termpair *pair, \ - const struct mdoc_meta *m, \ - const struct mdoc_node *n + const struct mdoc_meta *meta, \ + struct mdoc_node *n struct termact { int (*pre)(DECL_ARGS); @@ -100,7 +100,6 @@ 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_igndelim_pre(DECL_ARGS); static int termp_in_pre(DECL_ARGS); static int termp_it_pre(DECL_ARGS); static int termp_li_pre(DECL_ARGS); @@ -194,12 +193,12 @@ static const struct termact termacts[MDOC_MAX] = { { termp_quote_pre, termp_quote_post }, /* Eo */ { termp_xx_pre, NULL }, /* Fx */ { termp_bold_pre, NULL }, /* Ms */ - { termp_igndelim_pre, NULL }, /* No */ + { NULL, NULL }, /* No */ { termp_ns_pre, NULL }, /* Ns */ { termp_xx_pre, NULL }, /* Nx */ { termp_xx_pre, NULL }, /* Ox */ { NULL, NULL }, /* Pc */ - { termp_igndelim_pre, termp_pf_post }, /* Pf */ + { NULL, termp_pf_post }, /* Pf */ { termp_quote_pre, termp_quote_post }, /* Po */ { termp_quote_pre, termp_quote_post }, /* Pq */ { NULL, NULL }, /* Qc */ @@ -242,7 +241,7 @@ static const struct termact termacts[MDOC_MAX] = { { NULL, termp____post }, /* %Q */ { termp_sp_pre, NULL }, /* br */ { termp_sp_pre, NULL }, /* sp */ - { termp_under_pre, termp____post }, /* %U */ + { NULL, termp____post }, /* %U */ { NULL, NULL }, /* Ta */ }; @@ -251,7 +250,7 @@ void terminal_mdoc(void *arg, const struct mdoc *mdoc) { const struct mdoc_node *n; - const struct mdoc_meta *m; + const struct mdoc_meta *meta; struct termp *p; p = (struct termp *)arg; @@ -267,12 +266,12 @@ terminal_mdoc(void *arg, const struct mdoc *mdoc) p->symtab = mchars_alloc(); n = mdoc_node(mdoc); - m = mdoc_meta(mdoc); + meta = mdoc_meta(mdoc); - term_begin(p, print_mdoc_head, print_mdoc_foot, m); + term_begin(p, print_mdoc_head, print_mdoc_foot, meta); if (n->child) - print_mdoc_nodelist(p, NULL, m, n->child); + print_mdoc_nodelist(p, NULL, meta, n->child); term_end(p); } @@ -282,9 +281,9 @@ static void print_mdoc_nodelist(DECL_ARGS) { - print_mdoc_node(p, pair, m, n); + print_mdoc_node(p, pair, meta, n); if (n->next) - print_mdoc_nodelist(p, pair, m, n->next); + print_mdoc_nodelist(p, pair, meta, n->next); } @@ -293,14 +292,13 @@ static void print_mdoc_node(DECL_ARGS) { int chld; - const void *font; struct termpair npair; size_t offset, rmargin; chld = 1; offset = p->offset; rmargin = p->rmargin; - font = term_fontq(p); + n->prev_font = term_fontq(p); memset(&npair, 0, sizeof(struct termpair)); npair.ppair = pair; @@ -308,34 +306,17 @@ print_mdoc_node(DECL_ARGS) /* * Keeps only work until the end of a line. If a keep was * invoked in a prior line, revert it to PREKEEP. - * - * Also let SYNPRETTY sections behave as if they were wrapped - * in a `Bk' block. */ - if (TERMP_KEEP & p->flags || MDOC_SYNPRETTY & n->flags) { - if (n->prev && n->prev->line != n->line) { + 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; - } else if (NULL == n->prev) { - if (n->parent && n->parent->line != n->line) { - p->flags &= ~TERMP_KEEP; - p->flags |= TERMP_PREKEEP; - } } } /* - * Since SYNPRETTY sections aren't "turned off" with `Ek', - * we have to intuit whether we should disable formatting. - */ - - if ( ! (MDOC_SYNPRETTY & n->flags) && - ((n->prev && MDOC_SYNPRETTY & n->prev->flags) || - (n->parent && MDOC_SYNPRETTY & n->parent->flags))) - p->flags &= ~(TERMP_KEEP | TERMP_PREKEEP); - - /* * After the keep flags have been set up, we may now * produce output. Note that some pre-handlers do so. */ @@ -359,14 +340,15 @@ print_mdoc_node(DECL_ARGS) default: if (termacts[n->tok].pre && ENDBODY_NOT == n->end) chld = (*termacts[n->tok].pre) - (p, &npair, m, n); + (p, &npair, meta, n); break; } if (chld && n->child) - print_mdoc_nodelist(p, &npair, m, n->child); + print_mdoc_nodelist(p, &npair, meta, n->child); - term_fontpopq(p, font); + term_fontpopq(p, + (ENDBODY_NOT == n->end ? n : n->pending)->prev_font); switch (n->type) { case (MDOC_TEXT): @@ -378,7 +360,7 @@ print_mdoc_node(DECL_ARGS) default: if ( ! termacts[n->tok].post || MDOC_ENDED & n->flags) break; - (void)(*termacts[n->tok].post)(p, &npair, m, n); + (void)(*termacts[n->tok].post)(p, &npair, meta, n); /* * Explicit end tokens not only call the post @@ -409,9 +391,9 @@ print_mdoc_node(DECL_ARGS) static void print_mdoc_foot(struct termp *p, const void *arg) { - const struct mdoc_meta *m; + const struct mdoc_meta *meta; - m = (const struct mdoc_meta *)arg; + meta = (const struct mdoc_meta *)arg; term_fontrepl(p, TERMFONT_NONE); @@ -427,25 +409,27 @@ print_mdoc_foot(struct termp *p, const void *arg) p->offset = 0; p->rmargin = (p->maxrmargin - - term_strlen(p, m->date) + term_len(p, 1)) / 2; + term_strlen(p, meta->date) + term_len(p, 1)) / 2; + p->trailspace = 1; p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; - term_word(p, m->os); + term_word(p, meta->os); term_flushln(p); p->offset = p->rmargin; - p->rmargin = p->maxrmargin - term_strlen(p, m->os); + p->rmargin = p->maxrmargin - term_strlen(p, meta->os); p->flags |= TERMP_NOSPACE; - term_word(p, m->date); + 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, m->os); + term_word(p, meta->os); term_flushln(p); p->offset = 0; @@ -459,9 +443,9 @@ print_mdoc_head(struct termp *p, const void *arg) { char buf[BUFSIZ], title[BUFSIZ]; size_t buflen, titlen; - const struct mdoc_meta *m; + const struct mdoc_meta *meta; - m = (const struct mdoc_meta *)arg; + meta = (const struct mdoc_meta *)arg; /* * The header is strange. It has three components, which are @@ -479,20 +463,21 @@ print_mdoc_head(struct termp *p, const void *arg) p->offset = 0; p->rmargin = p->maxrmargin; - assert(m->vol); - strlcpy(buf, m->vol, BUFSIZ); + assert(meta->vol); + strlcpy(buf, meta->vol, BUFSIZ); buflen = term_strlen(p, buf); - if (m->arch) { + if (meta->arch) { strlcat(buf, " (", BUFSIZ); - strlcat(buf, m->arch, BUFSIZ); + strlcat(buf, meta->arch, BUFSIZ); strlcat(buf, ")", BUFSIZ); } - snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec); + 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 - @@ -511,6 +496,7 @@ print_mdoc_head(struct termp *p, const void *arg) term_flushln(p); p->flags &= ~TERMP_NOBREAK; + p->trailspace = 0; if (p->rmargin + titlen <= p->maxrmargin) { p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; @@ -798,13 +784,13 @@ termp_it_pre(DECL_ARGS) case (LIST_dash): /* FALLTHROUGH */ case (LIST_hyphen): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; + if (MDOC_HEAD != n->type) + break; + p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; case (LIST_hang): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; - else + if (MDOC_HEAD != n->type) break; /* @@ -816,16 +802,18 @@ termp_it_pre(DECL_ARGS) if (n->next->child && (MDOC_Bl == n->next->child->tok || MDOC_Bd == n->next->child->tok)) - p->flags &= ~TERMP_NOBREAK; - else - p->flags |= TERMP_HANG; + break; + + p->flags |= TERMP_NOBREAK | TERMP_HANG; + p->trailspace = 1; break; case (LIST_tag): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK | TERMP_TWOSPACE; - if (MDOC_HEAD != n->type) break; + + p->flags |= TERMP_NOBREAK; + p->trailspace = 2; + if (NULL == n->next || NULL == n->next->child) p->flags |= TERMP_DANGLE; break; @@ -833,15 +821,20 @@ termp_it_pre(DECL_ARGS) if (MDOC_HEAD == n->type) break; - if (NULL == n->next) + if (NULL == n->next) { p->flags &= ~TERMP_NOBREAK; - else + p->trailspace = 0; + } else { p->flags |= TERMP_NOBREAK; + p->trailspace = 1; + } break; case (LIST_diag): - if (MDOC_HEAD == n->type) - p->flags |= TERMP_NOBREAK; + if (MDOC_HEAD != n->type) + break; + p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; default: break; @@ -993,8 +986,8 @@ termp_it_post(DECL_ARGS) p->flags &= ~TERMP_DANGLE; p->flags &= ~TERMP_NOBREAK; - p->flags &= ~TERMP_TWOSPACE; p->flags &= ~TERMP_HANG; + p->trailspace = 0; } @@ -1003,22 +996,25 @@ static int termp_nm_pre(DECL_ARGS) { - if (MDOC_BLOCK == n->type) + 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, m->name) : + (NULL == n->prev->child ? + term_strlen(p, meta->name) : MDOC_TEXT == n->prev->child->type ? - term_strlen(p, n->prev->child->string) : + term_strlen(p, n->prev->child->string) : term_len(p, 5)); return(1); } - if (NULL == n->child && NULL == m->name) + if (NULL == n->child && NULL == meta->name) return(0); if (MDOC_HEAD == n->type) @@ -1026,9 +1022,10 @@ termp_nm_pre(DECL_ARGS) if (MDOC_HEAD == n->type && n->next->child) { p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; + p->trailspace = 1; p->rmargin = p->offset + term_len(p, 1); if (NULL == n->child) { - p->rmargin += term_strlen(p, m->name); + 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) @@ -1041,7 +1038,7 @@ termp_nm_pre(DECL_ARGS) term_fontpush(p, TERMFONT_BOLD); if (NULL == n->child) - term_word(p, m->name); + term_word(p, meta->name); return(1); } @@ -1051,9 +1048,12 @@ static void termp_nm_post(DECL_ARGS) { - if (MDOC_HEAD == n->type && n->next->child) { + 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_HANG); + p->trailspace = 0; } else if (MDOC_BODY == n->type && n->child) term_flushln(p); } @@ -1379,14 +1379,14 @@ termp_vt_pre(DECL_ARGS) if (MDOC_ELEM == n->type) { synopsis_pre(p, n); - return(termp_under_pre(p, pair, m, 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, m, n)); + return(termp_under_pre(p, pair, meta, n)); } @@ -1406,7 +1406,7 @@ termp_fd_pre(DECL_ARGS) { synopsis_pre(p, n); - return(termp_bold_pre(p, pair, m, n)); + return(termp_bold_pre(p, pair, meta, n)); } @@ -1528,6 +1528,7 @@ termp_ft_pre(DECL_ARGS) static int termp_fn_pre(DECL_ARGS) { + size_t width, rmargin = 0; int pretty; pretty = MDOC_SYNPRETTY & n->flags; @@ -1537,11 +1538,25 @@ termp_fn_pre(DECL_ARGS) if (NULL == (n = n->child)) return(0); + if (pretty) { + width = term_len(p, 4); + rmargin = p->rmargin; + p->rmargin = p->offset + width; + p->flags |= TERMP_NOBREAK | 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_HANG); + p->offset = p->rmargin; + p->rmargin = rmargin; + } + p->flags |= TERMP_NOSPACE; term_word(p, "("); p->flags |= TERMP_NOSPACE; @@ -1549,6 +1564,8 @@ termp_fn_pre(DECL_ARGS) 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); @@ -1564,6 +1581,7 @@ termp_fn_pre(DECL_ARGS) if (pretty) { p->flags |= TERMP_NOSPACE; term_word(p, ";"); + term_flushln(p); } return(0); @@ -1606,7 +1624,7 @@ static int termp_bd_pre(DECL_ARGS) { size_t tabwidth, rm, rmax; - const struct mdoc_node *nn; + struct mdoc_node *nn; if (MDOC_BLOCK == n->type) { print_bvspace(p, n, n); @@ -1638,7 +1656,7 @@ termp_bd_pre(DECL_ARGS) p->rmargin = p->maxrmargin = TERM_MAXMARGIN; for (nn = n->child; nn; nn = nn->next) { - print_mdoc_node(p, pair, m, nn); + 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 @@ -1755,7 +1773,8 @@ termp_xx_pre(DECL_ARGS) pp = "UNIX"; break; default: - break; + abort(); + /* NOTREACHED */ } term_word(p, pp); @@ -1770,16 +1789,6 @@ termp_xx_pre(DECL_ARGS) /* ARGSUSED */ -static int -termp_igndelim_pre(DECL_ARGS) -{ - - p->flags |= TERMP_IGNDELIM; - return(1); -} - - -/* ARGSUSED */ static void termp_pf_post(DECL_ARGS) { @@ -1927,7 +1936,7 @@ termp_quote_pre(DECL_ARGS) case (MDOC_Do): /* FALLTHROUGH */ case (MDOC_Dq): - term_word(p, "``"); + term_word(p, "\\(lq"); break; case (MDOC_Eo): break; @@ -1948,7 +1957,7 @@ termp_quote_pre(DECL_ARGS) case (MDOC_So): /* FALLTHROUGH */ case (MDOC_Sq): - term_word(p, "`"); + term_word(p, "\\(oq"); break; default: abort(); @@ -1993,7 +2002,7 @@ termp_quote_post(DECL_ARGS) case (MDOC_Do): /* FALLTHROUGH */ case (MDOC_Dq): - term_word(p, "''"); + term_word(p, "\\(rq"); break; case (MDOC_Eo): break; @@ -2014,7 +2023,7 @@ termp_quote_post(DECL_ARGS) case (MDOC_So): /* FALLTHROUGH */ case (MDOC_Sq): - term_word(p, "'"); + term_word(p, "\\(cq"); break; default: abort(); @@ -2075,7 +2084,7 @@ termp_bf_pre(DECL_ARGS) if (MDOC_HEAD == n->type) return(0); - else if (MDOC_BLOCK != n->type) + else if (MDOC_BODY != n->type) return(1); if (FONT_Em == n->norm->Bf.font) @@ -2228,9 +2237,9 @@ termp__t_post(DECL_ARGS) */ if (n->parent && MDOC_Rs == n->parent->tok && n->parent->norm->Rs.quote_T) - termp_quote_post(p, pair, m, n); + termp_quote_post(p, pair, meta, n); - termp____post(p, pair, m, n); + termp____post(p, pair, meta, n); } /* ARGSUSED */ @@ -2244,7 +2253,7 @@ termp__t_pre(DECL_ARGS) */ if (n->parent && MDOC_Rs == n->parent->tok && n->parent->norm->Rs.quote_T) - return(termp_quote_pre(p, pair, m, n)); + return(termp_quote_pre(p, pair, meta, n)); term_fontpush(p, TERMFONT_UNDER); return(1);