=================================================================== RCS file: /cvs/mandoc/man_term.c,v retrieving revision 1.135 retrieving revision 1.166 diff -u -p -r1.135 -r1.166 --- mandoc/man_term.c 2012/11/17 00:26:33 1.135 +++ mandoc/man_term.c 2015/01/24 02:41:49 1.166 @@ -1,7 +1,7 @@ -/* $Id: man_term.c,v 1.135 2012/11/17 00:26:33 schwarze Exp $ */ +/* $Id: man_term.c,v 1.166 2015/01/24 02:41:49 schwarze Exp $ */ /* * Copyright (c) 2008-2012 Kristaps Dzonsons - * Copyright (c) 2010, 2011, 2012 Ingo Schwarze + * Copyright (c) 2010-2014 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 @@ -15,19 +15,19 @@ * 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 #include #include +#include #include #include #include #include "mandoc.h" +#include "mandoc_aux.h" #include "out.h" #include "man.h" #include "term.h" @@ -38,16 +38,16 @@ struct mtermp { int fl; #define MANT_LITERAL (1 << 0) - size_t lmargin[MAXMARGINS]; /* margins (incl. visible page) */ + int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */ int lmargincur; /* index of current margin */ int lmarginsz; /* actual number of nested margins */ size_t offset; /* default offset to visible page */ int pardist; /* vert. space before par., unit: [v] */ }; -#define DECL_ARGS struct termp *p, \ +#define DECL_ARGS struct termp *p, \ struct mtermp *mt, \ - const struct man_node *n, \ + struct man_node *n, \ const struct man_meta *meta struct termact { @@ -57,14 +57,11 @@ struct termact { #define MAN_NOTEXT (1 << 0) /* Never has text children. */ }; -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); static void print_man_head(struct termp *, const void *); static void print_man_foot(struct termp *, const void *); -static void print_bvspace(struct termp *, +static void print_bvspace(struct termp *, const struct man_node *, int); static int pre_B(DECL_ARGS); @@ -78,11 +75,13 @@ static int pre_RS(DECL_ARGS); static int pre_SH(DECL_ARGS); static int pre_SS(DECL_ARGS); static int pre_TP(DECL_ARGS); +static int pre_UR(DECL_ARGS); static int pre_alternate(DECL_ARGS); static int pre_ft(DECL_ARGS); static int pre_ign(DECL_ARGS); static int pre_in(DECL_ARGS); static int pre_literal(DECL_ARGS); +static int pre_ll(DECL_ARGS); static int pre_sp(DECL_ARGS); static void post_IP(DECL_ARGS); @@ -91,6 +90,7 @@ static void post_RS(DECL_ARGS); static void post_SH(DECL_ARGS); static void post_SS(DECL_ARGS); static void post_TP(DECL_ARGS); +static void post_UR(DECL_ARGS); static const struct termact termacts[MAN_MAX] = { { pre_sp, NULL, MAN_NOTEXT }, /* br */ @@ -102,7 +102,7 @@ static const struct termact termacts[MAN_MAX] = { { pre_PP, NULL, 0 }, /* PP */ { pre_PP, NULL, 0 }, /* P */ { pre_IP, post_IP, 0 }, /* IP */ - { pre_HP, post_HP, 0 }, /* HP */ + { pre_HP, post_HP, 0 }, /* HP */ { NULL, NULL, 0 }, /* SM */ { pre_B, NULL, 0 }, /* SB */ { pre_alternate, NULL, 0 }, /* BI */ @@ -114,14 +114,13 @@ static const struct termact termacts[MAN_MAX] = { { pre_I, NULL, 0 }, /* I */ { pre_alternate, NULL, 0 }, /* IR */ { pre_alternate, NULL, 0 }, /* RI */ - { pre_ign, NULL, MAN_NOTEXT }, /* na */ { pre_sp, NULL, MAN_NOTEXT }, /* sp */ { pre_literal, NULL, 0 }, /* nf */ { pre_literal, NULL, 0 }, /* fi */ { 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 */ @@ -129,72 +128,59 @@ static const struct termact termacts[MAN_MAX] = { { pre_OP, NULL, 0 }, /* OP */ { pre_literal, NULL, 0 }, /* EX */ { pre_literal, NULL, 0 }, /* EE */ + { pre_UR, post_UR, 0 }, /* UR */ + { NULL, NULL, 0 }, /* UE */ + { pre_ll, NULL, MAN_NOTEXT }, /* ll */ }; - 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)) - return(-1); - - return((int)term_hspan(p, &su)); -} - /* * Printing leading vertical space before a block. * This is used for the paragraph macros. @@ -222,7 +208,7 @@ print_bvspace(struct termp *p, const struct man_node * term_vspace(p); } -/* ARGSUSED */ + static int pre_ign(DECL_ARGS) { @@ -230,8 +216,14 @@ pre_ign(DECL_ARGS) return(0); } +static int +pre_ll(DECL_ARGS) +{ -/* ARGSUSED */ + term_setwidth(p, n->nchild ? n->child->string : NULL); + return(0); +} + static int pre_I(DECL_ARGS) { @@ -240,8 +232,6 @@ pre_I(DECL_ARGS) return(1); } - -/* ARGSUSED */ static int pre_literal(DECL_ARGS) { @@ -261,58 +251,59 @@ pre_literal(DECL_ARGS) if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) { p->offset = p->rmargin; p->rmargin = p->maxrmargin; - p->flags &= ~(TERMP_NOBREAK | TERMP_TWOSPACE); + p->trailspace = 0; + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); p->flags |= TERMP_NOSPACE; } return(0); } -/* ARGSUSED */ 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); } -/* ARGSUSED */ static int pre_alternate(DECL_ARGS) { enum termfont font[2]; - const struct man_node *nn; + struct man_node *nn; int savelit, i; switch (n->tok) { - case (MAN_RB): + case MAN_RB: font[0] = TERMFONT_NONE; font[1] = TERMFONT_BOLD; break; - case (MAN_RI): + case MAN_RI: font[0] = TERMFONT_NONE; font[1] = TERMFONT_UNDER; break; - case (MAN_BR): + case MAN_BR: font[0] = TERMFONT_BOLD; font[1] = TERMFONT_NONE; break; - case (MAN_BI): + case MAN_BI: font[0] = TERMFONT_BOLD; font[1] = TERMFONT_UNDER; break; - case (MAN_IR): + case MAN_IR: font[0] = TERMFONT_UNDER; font[1] = TERMFONT_NONE; break; - case (MAN_IB): + case MAN_IB: font[0] = TERMFONT_UNDER; font[1] = TERMFONT_BOLD; break; @@ -335,7 +326,6 @@ pre_alternate(DECL_ARGS) return(0); } -/* ARGSUSED */ static int pre_B(DECL_ARGS) { @@ -344,7 +334,6 @@ pre_B(DECL_ARGS) return(1); } -/* ARGSUSED */ static int pre_OP(DECL_ARGS) { @@ -367,7 +356,6 @@ pre_OP(DECL_ARGS) return(0); } -/* ARGSUSED */ static int pre_ft(DECL_ARGS) { @@ -380,26 +368,26 @@ pre_ft(DECL_ARGS) cp = n->child->string; switch (*cp) { - case ('4'): + case '4': /* FALLTHROUGH */ - case ('3'): + case '3': /* FALLTHROUGH */ - case ('B'): + case 'B': term_fontrepl(p, TERMFONT_BOLD); break; - case ('2'): + case '2': /* FALLTHROUGH */ - case ('I'): + case 'I': term_fontrepl(p, TERMFONT_UNDER); break; - case ('P'): + case 'P': term_fontlast(p); break; - case ('1'): + case '1': /* FALLTHROUGH */ - case ('C'): + case 'C': /* FALLTHROUGH */ - case ('R'): + case 'R': term_fontrepl(p, TERMFONT_NONE); break; default: @@ -408,13 +396,13 @@ pre_ft(DECL_ARGS) return(0); } -/* ARGSUSED */ static int pre_in(DECL_ARGS) { - int len, less; - size_t v; + struct roffsu su; const char *cp; + size_t v; + int less; term_newln(p); @@ -433,46 +421,40 @@ pre_in(DECL_ARGS) else cp--; - if ((len = a2width(p, ++cp)) < 0) + if ( ! a2roffsu(++cp, &su, SCALE_EN)) return(0); - v = (size_t)len; + v = term_hspan(p, &su); if (less < 0) p->offset -= p->offset > v ? v : p->offset; else if (less > 0) p->offset += v; - else + else p->offset = v; + if (p->offset > SHRT_MAX) + p->offset = term_len(p, p->defindent); - /* Don't let this creep beyond the right margin. */ - - if (p->offset > p->rmargin) - p->offset = p->rmargin; - return(0); } - -/* ARGSUSED */ static int pre_sp(DECL_ARGS) { - char *s; - size_t i, len; - int neg; + struct roffsu su; + int i, len; if ((NULL == n->prev && n->parent)) { switch (n->parent->tok) { - case (MAN_SH): + case MAN_SH: /* FALLTHROUGH */ - case (MAN_SS): + case MAN_SS: /* FALLTHROUGH */ - case (MAN_PP): + case MAN_PP: /* FALLTHROUGH */ - case (MAN_LP): + case MAN_LP: /* FALLTHROUGH */ - case (MAN_P): + case MAN_P: /* FALLTHROUGH */ return(0); default: @@ -480,29 +462,20 @@ pre_sp(DECL_ARGS) } } - neg = 0; - switch (n->tok) { - case (MAN_br): + if (n->tok == MAN_br) len = 0; - break; - default: - if (NULL == n->child) { - len = 1; - break; - } - s = n->child->string; - if ('-' == *s) { - neg = 1; - s++; - } - len = a2height(p, s); - break; + else if (n->child == NULL) + len = 1; + else { + if ( ! a2roffsu(n->child->string, &su, SCALE_VS)) + su.scale = 1.0; + len = term_vspan(p, &su); } - if (0 == len) + if (len == 0) term_newln(p); - else if (neg) - p->skipvsp += len; + else if (len < 0) + p->skipvsp -= len; else for (i = 0; i < len; i++) term_vspace(p); @@ -510,63 +483,55 @@ pre_sp(DECL_ARGS) return(0); } - -/* ARGSUSED */ static int pre_HP(DECL_ARGS) { - size_t len, one; - int ival; + struct roffsu su; const struct man_node *nn; + int len; switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: print_bvspace(p, n, mt->pardist); return(1); - case (MAN_BODY): + case MAN_BODY: break; default: return(0); } if ( ! (MANT_LITERAL & mt->fl)) { - p->flags |= TERMP_NOBREAK; - p->flags |= TERMP_TWOSPACE; + p->flags |= TERMP_NOBREAK | TERMP_BRIND; + p->trailspace = 2; } - len = mt->lmargin[mt->lmargincur]; - ival = -1; - /* Calculate offset. */ - if (NULL != (nn = n->parent->head->child)) - if ((ival = a2width(p, nn->string)) >= 0) - len = (size_t)ival; + if ((nn = n->parent->head->child) != NULL && + a2roffsu(nn->string, &su, SCALE_EN)) { + len = term_hspan(p, &su); + if (len < 0 && (size_t)(-len) > mt->offset) + len = -mt->offset; + else if (len > SHRT_MAX) + len = term_len(p, p->defindent); + mt->lmargin[mt->lmargincur] = len; + } else + len = mt->lmargin[mt->lmargincur]; - one = term_len(p, 1); - if (len < one) - len = one; - p->offset = mt->offset; p->rmargin = mt->offset + len; - - if (ival >= 0) - mt->lmargin[mt->lmargincur] = (size_t)ival; - return(1); } - -/* ARGSUSED */ static void post_HP(DECL_ARGS) { switch (n->type) { - case (MAN_BODY): - term_flushln(p); - p->flags &= ~TERMP_NOBREAK; - p->flags &= ~TERMP_TWOSPACE; + case MAN_BODY: + term_newln(p); + p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND); + p->trailspace = 0; p->offset = mt->offset; p->rmargin = p->maxrmargin; break; @@ -575,14 +540,12 @@ post_HP(DECL_ARGS) } } - -/* ARGSUSED */ static int pre_PP(DECL_ARGS) { switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); print_bvspace(p, n, mt->pardist); break; @@ -594,52 +557,46 @@ pre_PP(DECL_ARGS) return(MAN_HEAD != n->type); } - -/* ARGSUSED */ static int pre_IP(DECL_ARGS) { + struct roffsu su; const struct man_node *nn; - size_t len; - int savelit, ival; + int len, savelit; switch (n->type) { - case (MAN_BODY): + case MAN_BODY: p->flags |= TERMP_NOSPACE; break; - case (MAN_HEAD): + case MAN_HEAD: p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; - case (MAN_BLOCK): + case MAN_BLOCK: print_bvspace(p, n, mt->pardist); /* FALLTHROUGH */ default: return(1); } - len = mt->lmargin[mt->lmargincur]; - ival = -1; - /* Calculate the offset from the optional second argument. */ - if (NULL != (nn = n->parent->head->child)) - if (NULL != (nn = nn->next)) - if ((ival = a2width(p, nn->string)) >= 0) - len = (size_t)ival; + if ((nn = n->parent->head->child) != NULL && + (nn = nn->next) != NULL && + a2roffsu(nn->string, &su, SCALE_EN)) { + len = term_hspan(p, &su); + if (len < 0 && (size_t)(-len) > mt->offset) + len = -mt->offset; + else if (len > SHRT_MAX) + len = term_len(p, p->defindent); + mt->lmargin[mt->lmargincur] = len; + } else + len = mt->lmargin[mt->lmargincur]; switch (n->type) { - case (MAN_HEAD): - /* Handle zero-width lengths. */ - if (0 == len) - len = term_len(p, 1); - + case MAN_HEAD: 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; - savelit = MANT_LITERAL & mt->fl; mt->fl &= ~MANT_LITERAL; @@ -650,7 +607,7 @@ pre_IP(DECL_ARGS) mt->fl |= MANT_LITERAL; return(0); - case (MAN_BODY): + case MAN_BODY: p->offset = mt->offset + len; p->rmargin = p->maxrmargin; break; @@ -661,65 +618,64 @@ pre_IP(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void post_IP(DECL_ARGS) { switch (n->type) { - case (MAN_HEAD): + case MAN_HEAD: term_flushln(p); p->flags &= ~TERMP_NOBREAK; + p->trailspace = 0; p->rmargin = p->maxrmargin; break; - case (MAN_BODY): + case MAN_BODY: term_newln(p); + p->offset = mt->offset; break; default: break; } } - -/* ARGSUSED */ static int pre_TP(DECL_ARGS) { - const struct man_node *nn; - size_t len; - int savelit, ival; + struct roffsu su; + struct man_node *nn; + int len, savelit; switch (n->type) { - case (MAN_HEAD): + case MAN_HEAD: p->flags |= TERMP_NOBREAK; + p->trailspace = 1; break; - case (MAN_BODY): + case MAN_BODY: p->flags |= TERMP_NOSPACE; break; - case (MAN_BLOCK): + case MAN_BLOCK: print_bvspace(p, n, mt->pardist); /* FALLTHROUGH */ default: return(1); } - len = (size_t)mt->lmargin[mt->lmargincur]; - ival = -1; - /* Calculate offset. */ - if (NULL != (nn = n->parent->head->child)) - if (nn->string && nn->parent->line == nn->line) - if ((ival = a2width(p, nn->string)) >= 0) - len = (size_t)ival; + if ((nn = n->parent->head->child) != NULL && + nn->string != NULL && ! (MAN_LINE & nn->flags) && + a2roffsu(nn->string, &su, SCALE_EN)) { + len = term_hspan(p, &su); + if (len < 0 && (size_t)(-len) > mt->offset) + len = -mt->offset; + else if (len > SHRT_MAX) + len = term_len(p, p->defindent); + mt->lmargin[mt->lmargincur] = len; + } else + len = mt->lmargin[mt->lmargincur]; switch (n->type) { - case (MAN_HEAD): - /* Handle zero-length properly. */ - if (0 == len) - len = term_len(p, 1); - + case MAN_HEAD: p->offset = mt->offset; p->rmargin = mt->offset + len; @@ -727,21 +683,23 @@ pre_TP(DECL_ARGS) mt->fl &= ~MANT_LITERAL; /* Don't print same-line elements. */ - for (nn = n->child; nn; nn = nn->next) - if (nn->line > n->line) - print_man_node(p, mt, nn, meta); + nn = n->child; + while (NULL != nn && 0 == (MAN_LINE & nn->flags)) + nn = nn->next; + while (NULL != nn) { + print_man_node(p, mt, nn, meta); + nn = nn->next; + } + if (savelit) mt->fl |= MANT_LITERAL; - if (ival >= 0) - mt->lmargin[mt->lmargincur] = (size_t)ival; - return(0); - case (MAN_BODY): + case MAN_BODY: p->offset = mt->offset + len; p->rmargin = p->maxrmargin; + p->trailspace = 0; p->flags &= ~TERMP_NOBREAK; - p->flags &= ~TERMP_TWOSPACE; break; default: break; @@ -750,50 +708,53 @@ pre_TP(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void post_TP(DECL_ARGS) { switch (n->type) { - case (MAN_HEAD): + case MAN_HEAD: term_flushln(p); break; - case (MAN_BODY): + case MAN_BODY: term_newln(p); + p->offset = mt->offset; break; default: break; } } - -/* ARGSUSED */ static int pre_SS(DECL_ARGS) { int i; switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: 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; - case (MAN_HEAD): + case MAN_HEAD: term_fontrepl(p, TERMFONT_BOLD); p->offset = term_len(p, 3); break; - case (MAN_BODY): + case MAN_BODY: p->offset = mt->offset; break; default: @@ -803,17 +764,15 @@ pre_SS(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void post_SS(DECL_ARGS) { - + switch (n->type) { - case (MAN_HEAD): + case MAN_HEAD: term_newln(p); break; - case (MAN_BODY): + case MAN_BODY: term_newln(p); break; default: @@ -821,33 +780,36 @@ post_SS(DECL_ARGS) } } - -/* ARGSUSED */ static int pre_SH(DECL_ARGS) { int i; switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: 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; - case (MAN_HEAD): + case MAN_HEAD: term_fontrepl(p, TERMFONT_BOLD); p->offset = 0; break; - case (MAN_BODY): + case MAN_BODY: p->offset = mt->offset; break; default: @@ -857,17 +819,15 @@ pre_SH(DECL_ARGS) return(1); } - -/* ARGSUSED */ static void post_SH(DECL_ARGS) { - + switch (n->type) { - case (MAN_HEAD): + case MAN_HEAD: term_newln(p); break; - case (MAN_BODY): + case MAN_BODY: term_newln(p); break; default: @@ -875,32 +835,33 @@ post_SH(DECL_ARGS) } } -/* ARGSUSED */ static int pre_RS(DECL_ARGS) { - int ival; - size_t sz; + struct roffsu su; switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: term_newln(p); return(1); - case (MAN_HEAD): + case MAN_HEAD: return(0); default: break; } - sz = term_len(p, p->defindent); + 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->aux < 0 && (size_t)(-n->aux) > mt->offset) + n->aux = -mt->offset; + else if (n->aux > SHRT_MAX) + n->aux = term_len(p, p->defindent); - if (NULL != (n = n->parent->head->child)) - if ((ival = a2width(p, n->string)) >= 0) - sz = (size_t)ival; - - mt->offset += sz; + mt->offset += n->aux; + p->offset = mt->offset; p->rmargin = p->maxrmargin; - p->offset = mt->offset < p->rmargin ? mt->offset : p->rmargin; if (++mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; @@ -909,44 +870,59 @@ pre_RS(DECL_ARGS) return(1); } -/* ARGSUSED */ static void post_RS(DECL_ARGS) { - int ival; - size_t sz; switch (n->type) { - case (MAN_BLOCK): + case MAN_BLOCK: return; - case (MAN_HEAD): + case MAN_HEAD: return; default: term_newln(p); break; } - sz = term_len(p, p->defindent); - - if (NULL != (n = n->parent->head->child)) - if ((ival = a2width(p, n->string)) >= 0) - sz = (size_t)ival; - - mt->offset = mt->offset < sz ? 0 : mt->offset - sz; + mt->offset -= n->parent->head->aux; p->offset = mt->offset; if (--mt->lmarginsz < MAXMARGINS) mt->lmargincur = mt->lmarginsz; } +static int +pre_UR(DECL_ARGS) +{ + + return (MAN_HEAD != n->type); +} + static void +post_UR(DECL_ARGS) +{ + + if (MAN_BLOCK != n->type) + return; + + term_word(p, "<"); + p->flags |= TERMP_NOSPACE; + + if (NULL != n->child->child) + print_man_node(p, mt, n->child->child, meta); + + p->flags |= TERMP_NOSPACE; + term_word(p, ">"); +} + +static void print_man_node(DECL_ARGS) { size_t rm, rmax; int c; switch (n->type) { - case(MAN_TEXT): + case MAN_TEXT: /* * If we have a blank line, output a vertical space. * If we have a space as the first character, break @@ -961,15 +937,19 @@ print_man_node(DECL_ARGS) term_word(p, n->string); goto out; - case (MAN_EQN): + 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): + case MAN_TBL: /* * Tables are preceded by a newline. Then process a * table line, which will cause line termination, */ - if (TBL_SPAN_FIRST & n->span->flags) + if (TBL_SPAN_FIRST & n->span->flags) term_newln(p); term_tbl(p, n->span); return; @@ -1000,13 +980,14 @@ 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 && n->next->line > n->line) { + 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); @@ -1032,13 +1013,12 @@ print_man_nodelist(DECL_ARGS) print_man_nodelist(p, mt, n->next, meta); } - static void print_man_foot(struct termp *p, const void *arg) { - char title[BUFSIZ]; - size_t datelen; - const struct man_meta *meta; + const struct man_meta *meta; + char *title; + size_t datelen, titlen; meta = (const struct man_meta *)arg; assert(meta->title); @@ -1047,7 +1027,8 @@ 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. @@ -1056,21 +1037,26 @@ print_man_foot(struct termp *p, const void *arg) */ if ( ! p->mdocstyle) { - term_vspace(p); - term_vspace(p); - snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec); + if (meta->hasbody) { + term_vspace(p); + term_vspace(p); + } + mandoc_asprintf(&title, "%s(%s)", + meta->title, meta->msec); } else if (meta->source) { - strlcpy(title, meta->source, BUFSIZ); + title = mandoc_strdup(meta->source); } else { - title[0] = '\0'; + title = mandoc_strdup(""); } datelen = term_strlen(p, meta->date); /* Bottom left corner: manual source. */ 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); @@ -1078,11 +1064,10 @@ 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); @@ -1091,42 +1076,41 @@ print_man_foot(struct termp *p, const void *arg) p->flags &= ~TERMP_NOBREAK; p->flags |= TERMP_NOSPACE; + p->trailspace = 0; p->offset = p->rmargin; p->rmargin = p->maxrmargin; term_word(p, title); term_flushln(p); + free(title); } - static void print_man_head(struct termp *p, const void *arg) { - char buf[BUFSIZ], title[BUFSIZ]; - size_t buflen, titlen; - const struct man_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); - 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. */ - snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec); + mandoc_asprintf(&title, "%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; + 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); @@ -1135,15 +1119,16 @@ 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. */ p->flags &= ~TERMP_NOBREAK; + p->trailspace = 0; if (p->rmargin + titlen <= p->maxrmargin) { p->flags |= TERMP_NOSPACE; p->offset = p->rmargin; @@ -1156,7 +1141,7 @@ print_man_head(struct termp *p, const void *arg) p->offset = 0; p->rmargin = p->maxrmargin; - /* + /* * Groff prints three blank lines before the content. * Do the same, except in the temporary, undocumented * mode imitating mdoc(7) output. @@ -1167,4 +1152,5 @@ print_man_head(struct termp *p, const void *arg) term_vspace(p); term_vspace(p); } + free(title); }