=================================================================== RCS file: /cvs/mandoc/man_term.c,v retrieving revision 1.147 retrieving revision 1.162 diff -u -p -r1.147 -r1.162 --- mandoc/man_term.c 2014/04/20 20:18:12 1.147 +++ mandoc/man_term.c 2014/12/23 09:31:46 1.162 @@ -1,4 +1,4 @@ -/* $Id: man_term.c,v 1.147 2014/04/20 20:18:12 schwarze Exp $ */ +/* $Id: man_term.c,v 1.162 2014/12/23 09:31:46 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons * Copyright (c) 2010-2014 Ingo Schwarze @@ -15,9 +15,7 @@ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include @@ -59,7 +57,6 @@ struct termact { }; static int a2width(const struct termp *, const char *); -static size_t a2height(const struct termp *, const char *); static void print_man_nodelist(DECL_ARGS); static void print_man_node(DECL_ARGS); @@ -125,7 +122,7 @@ static const struct termact termacts[MAN_MAX] = { { NULL, NULL, 0 }, /* RE */ { pre_RS, post_RS, 0 }, /* RS */ { pre_ign, NULL, 0 }, /* DT */ - { pre_ign, NULL, 0 }, /* UC */ + { pre_ign, NULL, MAN_NOTEXT }, /* UC */ { pre_PD, NULL, MAN_NOTEXT }, /* PD */ { pre_ign, NULL, 0 }, /* AT */ { pre_in, NULL, MAN_NOTEXT }, /* in */ @@ -143,58 +140,55 @@ void terminal_man(void *arg, const struct man *man) { struct termp *p; - const struct man_node *n; const struct man_meta *meta; + struct man_node *n; struct mtermp mt; p = (struct termp *)arg; - if (0 == p->defindent) - p->defindent = 7; - p->overstep = 0; - p->maxrmargin = p->defrmargin; + p->rmargin = p->maxrmargin = p->defrmargin; p->tabwidth = term_len(p, 5); - if (NULL == p->symtab) - p->symtab = mchars_alloc(); - - n = man_node(man); + n = man_node(man)->child; meta = man_meta(man); - term_begin(p, print_man_head, print_man_foot, meta); - p->flags |= TERMP_NOSPACE; - 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; - if (n->child) - print_man_nodelist(p, &mt, n->child, meta); - - term_end(p); + if (p->synopsisonly) { + while (n != NULL) { + if (n->tok == MAN_SH && + n->child->child->type == MAN_TEXT && + !strcmp(n->child->child->string, "SYNOPSIS")) { + if (n->child->next->child != NULL) + print_man_nodelist(p, &mt, + n->child->next->child, meta); + term_newln(p); + break; + } + n = n->next; + } + } else { + if (p->defindent == 0) + p->defindent = 7; + term_begin(p, print_man_head, print_man_foot, meta); + p->flags |= TERMP_NOSPACE; + if (n != NULL) + print_man_nodelist(p, &mt, n, meta); + term_end(p); + } } - -static size_t -a2height(const struct termp *p, const char *cp) -{ - struct roffsu su; - - if ( ! a2roffsu(cp, &su, SCALE_VS)) - SCALE_VS_INIT(&su, atoi(cp)); - - return(term_vspan(p, &su)); -} - static int a2width(const struct termp *p, const char *cp) { struct roffsu su; - if ( ! a2roffsu(cp, &su, SCALE_BU)) + if ( ! a2roffsu(cp, &su, SCALE_EN)) return(-1); return((int)term_hspan(p, &su)); @@ -281,14 +275,16 @@ pre_literal(DECL_ARGS) static int pre_PD(DECL_ARGS) { + struct roffsu su; n = n->child; - if (0 == n) { + if (n == NULL) { mt->pardist = 1; return(0); } assert(MAN_TEXT == n->type); - mt->pardist = atoi(n->string); + if (a2roffsu(n->string, &su, SCALE_VS)) + mt->pardist = term_vspan(p, &su); return(0); } @@ -449,17 +445,13 @@ pre_in(DECL_ARGS) else p->offset = v; - /* Don't let this creep beyond the right margin. */ - - if (p->offset > p->rmargin) - p->offset = p->rmargin; - return(0); } static int pre_sp(DECL_ARGS) { + struct roffsu su; char *s; size_t i, len; int neg; @@ -497,7 +489,9 @@ pre_sp(DECL_ARGS) neg = 1; s++; } - len = a2height(p, s); + if ( ! a2roffsu(s, &su, SCALE_VS)) + su.scale = 1.0; + len = term_vspan(p, &su); break; } @@ -629,11 +623,10 @@ pre_IP(DECL_ARGS) p->offset = mt->offset; p->rmargin = mt->offset + len; - if (ival < 0) - break; /* Set the saved left-margin. */ - mt->lmargin[mt->lmargincur] = (size_t)ival; + if (ival >= 0) + mt->lmargin[mt->lmargincur] = (size_t)ival; savelit = MANT_LITERAL & mt->fl; mt->fl &= ~MANT_LITERAL; @@ -647,8 +640,7 @@ pre_IP(DECL_ARGS) return(0); case MAN_BODY: p->offset = mt->offset + len; - p->rmargin = p->maxrmargin > p->offset ? - p->maxrmargin : p->offset; + p->rmargin = p->maxrmargin; break; default: break; @@ -739,8 +731,7 @@ pre_TP(DECL_ARGS) return(0); case MAN_BODY: p->offset = mt->offset + len; - p->rmargin = p->maxrmargin > p->offset ? - p->maxrmargin : p->offset; + p->rmargin = p->maxrmargin; p->trailspace = 0; p->flags &= ~TERMP_NOBREAK; break; @@ -778,12 +769,18 @@ pre_SS(DECL_ARGS) mt->fl &= ~MANT_LITERAL; mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); mt->offset = term_len(p, p->defindent); - /* If following a prior empty `SS', no vspace. */ - if (n->prev && MAN_SS == n->prev->tok) - if (NULL == n->prev->body->child) - break; - if (NULL == n->prev) + + /* + * No vertical space before the first subsection + * and after an empty subsection. + */ + + do { + n = n->prev; + } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT); + if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL)) break; + for (i = 0; i < mt->pardist; i++) term_vspace(p); break; @@ -827,13 +824,18 @@ pre_SH(DECL_ARGS) mt->fl &= ~MANT_LITERAL; mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); mt->offset = term_len(p, p->defindent); - /* If following a prior empty `SH', no vspace. */ - if (n->prev && MAN_SH == n->prev->tok) - if (NULL == n->prev->body->child) - break; - /* If the first macro, no vspae. */ - if (NULL == n->prev) + + /* + * No vertical space before the first section + * and after an empty section. + */ + + do { + n = n->prev; + } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT); + if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL)) break; + for (i = 0; i < mt->pardist; i++) term_vspace(p); break; @@ -891,8 +893,7 @@ pre_RS(DECL_ARGS) mt->offset += sz; p->offset = mt->offset; - p->rmargin = p->maxrmargin > p->offset ? - p->maxrmargin : p->offset; + p->rmargin = p->maxrmargin; if (++mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; @@ -977,7 +978,11 @@ print_man_node(DECL_ARGS) goto out; case MAN_EQN: + if ( ! (n->flags & MAN_LINE)) + p->flags |= TERMP_NOSPACE; term_eqn(p, n->eqn); + if (n->next != NULL && ! (n->next->flags & MAN_LINE)) + p->flags |= TERMP_NOSPACE; return; case MAN_TBL: /* @@ -1015,13 +1020,14 @@ out: * -man doesn't have nested macros, we don't need to be * more specific than this. */ - if (MANT_LITERAL & mt->fl && ! (TERMP_NOBREAK & p->flags) && - (NULL == n->next || MAN_LINE & n->next->flags)) { + if (mt->fl & MANT_LITERAL && + ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) && + (n->next == NULL || n->next->flags & MAN_LINE)) { rm = p->rmargin; rmax = p->maxrmargin; p->rmargin = p->maxrmargin = TERM_MAXMARGIN; p->flags |= TERMP_NOSPACE; - if (NULL != n->string && '\0' != *n->string) + if (n->string != NULL && *n->string != '\0') term_flushln(p); else term_newln(p); @@ -1052,7 +1058,7 @@ print_man_foot(struct termp *p, const void *arg) { const struct man_meta *meta; char *title; - size_t datelen; + size_t datelen, titlen; meta = (const struct man_meta *)arg; assert(meta->title); @@ -1061,7 +1067,8 @@ print_man_foot(struct termp *p, const void *arg) term_fontrepl(p, TERMFONT_NONE); - term_vspace(p); + if (meta->hasbody) + term_vspace(p); /* * Temporary, undocumented option to imitate mdoc(7) output. @@ -1070,8 +1077,10 @@ print_man_foot(struct termp *p, const void *arg) */ if ( ! p->mdocstyle) { - term_vspace(p); - term_vspace(p); + if (meta->hasbody) { + term_vspace(p); + term_vspace(p); + } mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec); } else if (meta->source) { @@ -1086,7 +1095,8 @@ print_man_foot(struct termp *p, const void *arg) p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; p->trailspace = 1; p->offset = 0; - p->rmargin = (p->maxrmargin - datelen + term_len(p, 1)) / 2; + p->rmargin = p->maxrmargin > datelen ? + (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0; if (meta->source) term_word(p, meta->source); @@ -1094,11 +1104,10 @@ print_man_foot(struct termp *p, const void *arg) /* At the bottom in the middle: manual date. */ - p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; - p->rmargin = p->maxrmargin - term_strlen(p, title); - if (p->offset + datelen >= p->rmargin) - p->rmargin = p->offset + datelen; + titlen = term_strlen(p, title); + p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0; + p->flags |= TERMP_NOSPACE; term_word(p, meta->date); term_flushln(p); @@ -1119,20 +1128,17 @@ print_man_foot(struct termp *p, const void *arg) static void print_man_head(struct termp *p, const void *arg) { - char buf[BUFSIZ]; const struct man_meta *meta; + const char *volume; char *title; - size_t buflen, titlen; + size_t vollen, titlen; meta = (const struct man_meta *)arg; assert(meta->title); assert(meta->msec); - if (meta->vol) - strlcpy(buf, meta->vol, BUFSIZ); - else - buf[0] = '\0'; - buflen = term_strlen(p, buf); + volume = NULL == meta->vol ? "" : meta->vol; + vollen = term_strlen(p, volume); /* Top left corner: manual title and section. */ @@ -1142,10 +1148,9 @@ print_man_head(struct termp *p, const void *arg) 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; + 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); @@ -1154,10 +1159,10 @@ print_man_head(struct termp *p, const void *arg) p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; - p->rmargin = p->offset + buflen + titlen < p->maxrmargin ? + p->rmargin = p->offset + vollen + titlen < p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin; - term_word(p, buf); + term_word(p, volume); term_flushln(p); /* Top right corner: title and section, again. */