=================================================================== RCS file: /cvs/mandoc/man_term.c,v retrieving revision 1.172 retrieving revision 1.190 diff -u -p -r1.172 -r1.190 --- mandoc/man_term.c 2015/04/02 22:48:17 1.172 +++ mandoc/man_term.c 2017/02/11 21:49:50 1.190 @@ -1,7 +1,7 @@ -/* $Id: man_term.c,v 1.172 2015/04/02 22:48:17 schwarze Exp $ */ +/* $Id: man_term.c,v 1.190 2017/02/11 21:49:50 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons - * Copyright (c) 2010-2015 Ingo Schwarze + * Copyright (c) 2010-2015, 2017 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 @@ -49,7 +49,7 @@ struct mtermp { #define DECL_ARGS struct termp *p, \ struct mtermp *mt, \ struct roff_node *n, \ - const struct man_meta *meta + const struct roff_meta *meta struct termact { int (*pre)(DECL_ARGS); @@ -60,8 +60,10 @@ struct termact { static void print_man_nodelist(DECL_ARGS); static void print_man_node(DECL_ARGS); -static void print_man_head(struct termp *, const void *); -static void print_man_foot(struct termp *, const void *); +static void print_man_head(struct termp *, + const struct roff_meta *); +static void print_man_foot(struct termp *, + const struct roff_meta *); static void print_bvspace(struct termp *, const struct roff_node *, int); @@ -136,28 +138,24 @@ static const struct termact termacts[MAN_MAX] = { void -terminal_man(void *arg, const struct man *man) +terminal_man(void *arg, const struct roff_man *man) { struct termp *p; - const struct man_meta *meta; struct roff_node *n; struct mtermp mt; + size_t save_defindent; p = (struct termp *)arg; - p->overstep = 0; p->rmargin = p->maxrmargin = p->defrmargin; p->tabwidth = term_len(p, 5); - n = man_node(man)->child; - meta = man_meta(man); - memset(&mt, 0, sizeof(struct mtermp)); - mt.lmargin[mt.lmargincur] = term_len(p, p->defindent); mt.offset = term_len(p, p->defindent); mt.pardist = 1; + n = man->first->child; if (p->synopsisonly) { while (n != NULL) { if (n->tok == MAN_SH && @@ -165,20 +163,23 @@ terminal_man(void *arg, const struct man *man) !strcmp(n->child->child->string, "SYNOPSIS")) { if (n->child->next->child != NULL) print_man_nodelist(p, &mt, - n->child->next->child, meta); + n->child->next->child, + &man->meta); term_newln(p); break; } n = n->next; } } else { + save_defindent = p->defindent; if (p->defindent == 0) p->defindent = 7; - term_begin(p, print_man_head, print_man_foot, meta); + term_begin(p, print_man_head, print_man_foot, &man->meta); p->flags |= TERMP_NOSPACE; if (n != NULL) - print_man_nodelist(p, &mt, n, meta); + print_man_nodelist(p, &mt, n, &man->meta); term_end(p); + p->defindent = save_defindent; } } @@ -214,15 +215,15 @@ static int pre_ign(DECL_ARGS) { - return(0); + return 0; } static int pre_ll(DECL_ARGS) { - term_setwidth(p, n->nchild ? n->child->string : NULL); - return(0); + term_setwidth(p, n->child != NULL ? n->child->string : NULL); + return 0; } static int @@ -230,7 +231,7 @@ pre_I(DECL_ARGS) { term_fontrepl(p, TERMFONT_UNDER); - return(1); + return 1; } static int @@ -257,7 +258,7 @@ pre_literal(DECL_ARGS) p->flags |= TERMP_NOSPACE; } - return(0); + return 0; } static int @@ -268,12 +269,12 @@ pre_PD(DECL_ARGS) n = n->child; if (n == NULL) { mt->pardist = 1; - return(0); + return 0; } assert(n->type == ROFFT_TEXT); if (a2roffsu(n->string, &su, SCALE_VS)) mt->pardist = term_vspan(p, &su); - return(0); + return 0; } static int @@ -319,12 +320,15 @@ pre_alternate(DECL_ARGS) term_fontrepl(p, font[i]); if (savelit && NULL == nn->next) mt->fl |= MANT_LITERAL; - print_man_node(p, mt, nn, meta); + assert(nn->type == ROFFT_TEXT); + term_word(p, nn->string); + if (nn->flags & NODE_EOS) + p->flags |= TERMP_SENTENCE; if (nn->next) p->flags |= TERMP_NOSPACE; } - return(0); + return 0; } static int @@ -332,7 +336,7 @@ pre_B(DECL_ARGS) { term_fontrepl(p, TERMFONT_BOLD); - return(1); + return 1; } static int @@ -354,7 +358,7 @@ pre_OP(DECL_ARGS) term_fontrepl(p, TERMFONT_NONE); p->flags |= TERMP_NOSPACE; term_word(p, "]"); - return(0); + return 0; } static int @@ -364,20 +368,17 @@ pre_ft(DECL_ARGS) if (NULL == n->child) { term_fontlast(p); - return(0); + return 0; } cp = n->child->string; switch (*cp) { case '4': - /* FALLTHROUGH */ case '3': - /* FALLTHROUGH */ case 'B': term_fontrepl(p, TERMFONT_BOLD); break; case '2': - /* FALLTHROUGH */ case 'I': term_fontrepl(p, TERMFONT_UNDER); break; @@ -385,16 +386,14 @@ pre_ft(DECL_ARGS) term_fontlast(p); break; case '1': - /* FALLTHROUGH */ case 'C': - /* FALLTHROUGH */ case 'R': term_fontrepl(p, TERMFONT_NONE); break; default: break; } - return(0); + return 0; } static int @@ -409,7 +408,7 @@ pre_in(DECL_ARGS) if (NULL == n->child) { p->offset = mt->offset; - return(0); + return 0; } cp = n->child->string; @@ -423,9 +422,9 @@ pre_in(DECL_ARGS) cp--; if ( ! a2roffsu(++cp, &su, SCALE_EN)) - return(0); + return 0; - v = term_hspan(p, &su); + v = (term_hspan(p, &su) + 11) / 24; if (less < 0) p->offset -= p->offset > v ? v : p->offset; @@ -436,7 +435,7 @@ pre_in(DECL_ARGS) if (p->offset > SHRT_MAX) p->offset = term_len(p, p->defindent); - return(0); + return 0; } static int @@ -448,16 +447,11 @@ pre_sp(DECL_ARGS) if ((NULL == n->prev && n->parent)) { switch (n->parent->tok) { case MAN_SH: - /* FALLTHROUGH */ case MAN_SS: - /* FALLTHROUGH */ case MAN_PP: - /* FALLTHROUGH */ case MAN_LP: - /* FALLTHROUGH */ case MAN_P: - /* FALLTHROUGH */ - return(0); + return 0; default: break; } @@ -481,7 +475,18 @@ pre_sp(DECL_ARGS) for (i = 0; i < len; i++) term_vspace(p); - return(0); + /* + * Handle an explicit break request in the same way + * as an overflowing line. + */ + + if (p->flags & TERMP_BRIND) { + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); + } + + return 0; } static int @@ -494,11 +499,11 @@ pre_HP(DECL_ARGS) switch (n->type) { case ROFFT_BLOCK: print_bvspace(p, n, mt->pardist); - return(1); + return 1; case ROFFT_BODY: break; default: - return(0); + return 0; } if ( ! (MANT_LITERAL & mt->fl)) { @@ -510,7 +515,7 @@ pre_HP(DECL_ARGS) if ((nn = n->parent->head->child) != NULL && a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su); + len = term_hspan(p, &su) / 24; if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -521,7 +526,7 @@ pre_HP(DECL_ARGS) p->offset = mt->offset; p->rmargin = mt->offset + len; - return(1); + return 1; } static void @@ -531,6 +536,17 @@ post_HP(DECL_ARGS) switch (n->type) { case ROFFT_BODY: term_newln(p); + + /* + * Compatibility with a groff bug. + * The .HP macro uses the undocumented .tag request + * which causes a line break and cancels no-space + * mode even if there isn't any output. + */ + + if (n->child == NULL) + term_vspace(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); p->trailspace = 0; p->offset = mt->offset; @@ -555,7 +571,7 @@ pre_PP(DECL_ARGS) break; } - return(n->type != ROFFT_HEAD); + return n->type != ROFFT_HEAD; } static int @@ -577,14 +593,14 @@ pre_IP(DECL_ARGS) print_bvspace(p, n, mt->pardist); /* FALLTHROUGH */ default: - return(1); + return 1; } /* Calculate the offset from the optional second argument. */ if ((nn = n->parent->head->child) != NULL && (nn = nn->next) != NULL && a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su); + len = term_hspan(p, &su) / 24; if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -607,7 +623,7 @@ pre_IP(DECL_ARGS) if (savelit) mt->fl |= MANT_LITERAL; - return(0); + return 0; case ROFFT_BODY: p->offset = mt->offset + len; p->rmargin = p->maxrmargin; @@ -616,7 +632,7 @@ pre_IP(DECL_ARGS) break; } - return(1); + return 1; } static void @@ -648,7 +664,7 @@ pre_TP(DECL_ARGS) switch (n->type) { case ROFFT_HEAD: - p->flags |= TERMP_NOBREAK; + p->flags |= TERMP_NOBREAK | TERMP_BRTRSP; p->trailspace = 1; break; case ROFFT_BODY: @@ -658,15 +674,15 @@ pre_TP(DECL_ARGS) print_bvspace(p, n, mt->pardist); /* FALLTHROUGH */ default: - return(1); + return 1; } /* Calculate offset. */ if ((nn = n->parent->head->child) != NULL && - nn->string != NULL && ! (MAN_LINE & nn->flags) && + nn->string != NULL && ! (NODE_LINE & nn->flags) && a2roffsu(nn->string, &su, SCALE_EN)) { - len = term_hspan(p, &su); + len = term_hspan(p, &su) / 24; if (len < 0 && (size_t)(-len) > mt->offset) len = -mt->offset; else if (len > SHRT_MAX) @@ -685,7 +701,7 @@ pre_TP(DECL_ARGS) /* Don't print same-line elements. */ nn = n->child; - while (NULL != nn && 0 == (MAN_LINE & nn->flags)) + while (NULL != nn && 0 == (NODE_LINE & nn->flags)) nn = nn->next; while (NULL != nn) { @@ -695,18 +711,18 @@ pre_TP(DECL_ARGS) if (savelit) mt->fl |= MANT_LITERAL; - return(0); + return 0; case ROFFT_BODY: p->offset = mt->offset + len; p->rmargin = p->maxrmargin; p->trailspace = 0; - p->flags &= ~TERMP_NOBREAK; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP); break; default: break; } - return(1); + return 1; } static void @@ -744,7 +760,7 @@ pre_SS(DECL_ARGS) do { n = n->prev; - } while (n != NULL && n->tok != MAN_MAX && + } while (n != NULL && n->tok != TOKEN_NONE && termacts[n->tok].flags & MAN_NOTEXT); if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL)) break; @@ -755,15 +771,21 @@ pre_SS(DECL_ARGS) case ROFFT_HEAD: term_fontrepl(p, TERMFONT_BOLD); p->offset = term_len(p, 3); + p->rmargin = mt->offset; + p->trailspace = mt->offset; + p->flags |= TERMP_NOBREAK | TERMP_BRIND; break; case ROFFT_BODY: p->offset = mt->offset; + p->rmargin = p->maxrmargin; + p->trailspace = 0; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); break; default: break; } - return(1); + return 1; } static void @@ -800,7 +822,8 @@ pre_SH(DECL_ARGS) do { n = n->prev; - } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT); + } while (n != NULL && n->tok < MAN_MAX && + termacts[n->tok].flags & MAN_NOTEXT); if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL)) break; @@ -810,15 +833,21 @@ pre_SH(DECL_ARGS) case ROFFT_HEAD: term_fontrepl(p, TERMFONT_BOLD); p->offset = 0; + p->rmargin = mt->offset; + p->trailspace = mt->offset; + p->flags |= TERMP_NOBREAK | TERMP_BRIND; break; case ROFFT_BODY: p->offset = mt->offset; + p->rmargin = p->maxrmargin; + p->trailspace = 0; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); break; default: break; } - return(1); + return 1; } static void @@ -845,17 +874,19 @@ pre_RS(DECL_ARGS) switch (n->type) { case ROFFT_BLOCK: term_newln(p); - return(1); + return 1; case ROFFT_HEAD: - return(0); + return 0; default: break; } n = n->parent->head; n->aux = SHRT_MAX + 1; - if (n->child != NULL && a2roffsu(n->child->string, &su, SCALE_EN)) - n->aux = term_hspan(p, &su); + if (n->child == NULL) + n->aux = mt->lmargin[mt->lmargincur]; + else if (a2roffsu(n->child->string, &su, SCALE_EN)) + n->aux = term_hspan(p, &su) / 24; if (n->aux < 0 && (size_t)(-n->aux) > mt->offset) n->aux = -mt->offset; else if (n->aux > SHRT_MAX) @@ -868,8 +899,8 @@ pre_RS(DECL_ARGS) if (++mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; - mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1]; - return(1); + mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); + return 1; } static void @@ -897,7 +928,7 @@ static int pre_UR(DECL_ARGS) { - return (n->type != ROFFT_HEAD); + return n->type != ROFFT_HEAD; } static void @@ -933,17 +964,17 @@ print_man_node(DECL_ARGS) if ('\0' == *n->string) { term_vspace(p); return; - } else if (' ' == *n->string && MAN_LINE & n->flags) + } else if (' ' == *n->string && NODE_LINE & n->flags) term_newln(p); term_word(p, n->string); goto out; case ROFFT_EQN: - if ( ! (n->flags & MAN_LINE)) + if ( ! (n->flags & NODE_LINE)) p->flags |= TERMP_NOSPACE; term_eqn(p, n->eqn); - if (n->next != NULL && ! (n->next->flags & MAN_LINE)) + if (n->next != NULL && ! (n->next->flags & NODE_LINE)) p->flags |= TERMP_NOSPACE; return; case ROFFT_TBL: @@ -980,7 +1011,7 @@ out: */ if (mt->fl & MANT_LITERAL && ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) && - (n->next == NULL || n->next->flags & MAN_LINE)) { + (n->next == NULL || n->next->flags & NODE_LINE)) { rm = p->rmargin; rmax = p->maxrmargin; p->rmargin = p->maxrmargin = TERM_MAXMARGIN; @@ -996,7 +1027,7 @@ out: p->rmargin = rm; p->maxrmargin = rmax; } - if (MAN_EOS & n->flags) + if (NODE_EOS & n->flags) p->flags |= TERMP_SENTENCE; } @@ -1012,13 +1043,11 @@ print_man_nodelist(DECL_ARGS) } static void -print_man_foot(struct termp *p, const void *arg) +print_man_foot(struct termp *p, const struct roff_meta *meta) { - const struct man_meta *meta; char *title; size_t datelen, titlen; - meta = (const struct man_meta *)arg; assert(meta->title); assert(meta->msec); assert(meta->date); @@ -1030,8 +1059,8 @@ print_man_foot(struct termp *p, const void *arg) /* * Temporary, undocumented option to imitate mdoc(7) output. - * In the bottom right corner, use the source instead of - * the title. + * In the bottom right corner, use the operating system + * instead of the title. */ if ( ! p->mdocstyle) { @@ -1041,14 +1070,14 @@ print_man_foot(struct termp *p, const void *arg) } mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec); - } else if (meta->source) { - title = mandoc_strdup(meta->source); + } else if (meta->os) { + title = mandoc_strdup(meta->os); } else { title = mandoc_strdup(""); } datelen = term_strlen(p, meta->date); - /* Bottom left corner: manual source. */ + /* Bottom left corner: operating system. */ p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; p->trailspace = 1; @@ -1056,8 +1085,8 @@ print_man_foot(struct termp *p, const void *arg) p->rmargin = p->maxrmargin > datelen ? (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0; - if (meta->source) - term_word(p, meta->source); + if (meta->os) + term_word(p, meta->os); term_flushln(p); /* At the bottom in the middle: manual date. */ @@ -1084,14 +1113,12 @@ print_man_foot(struct termp *p, const void *arg) } static void -print_man_head(struct termp *p, const void *arg) +print_man_head(struct termp *p, const struct roff_meta *meta) { - const struct man_meta *meta; const char *volume; char *title; size_t vollen, titlen; - meta = (const struct man_meta *)arg; assert(meta->title); assert(meta->msec);