diff options
author | uqs <uqs@FreeBSD.org> | 2012-10-19 22:21:01 +0000 |
---|---|---|
committer | uqs <uqs@FreeBSD.org> | 2012-10-19 22:21:01 +0000 |
commit | bdec3cb5a747bba9c264cfc079075a9cdd270b9b (patch) | |
tree | f3e4c243809ab9802585681d5a07885f772eb5b0 /contrib/mdocml/man_term.c | |
parent | 3362252a56bf0d1c15907a461e1692760af910c7 (diff) | |
parent | c2dfbbd38125b2ba3608eb48ca3b5e2e23f819df (diff) | |
download | FreeBSD-src-bdec3cb5a747bba9c264cfc079075a9cdd270b9b.zip FreeBSD-src-bdec3cb5a747bba9c264cfc079075a9cdd270b9b.tar.gz |
Merge mandoc from vendor into contrib and provide the necessary Makefile glue.
It's not yet connected to the build.
Diffstat (limited to 'contrib/mdocml/man_term.c')
-rw-r--r-- | contrib/mdocml/man_term.c | 1117 |
1 files changed, 1117 insertions, 0 deletions
diff --git a/contrib/mdocml/man_term.c b/contrib/mdocml/man_term.c new file mode 100644 index 0000000..69c5c95 --- /dev/null +++ b/contrib/mdocml/man_term.c @@ -0,0 +1,1117 @@ +/* $Id: man_term.c,v 1.127 2012/01/03 15:16:24 kristaps Exp $ */ +/* + * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> + * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org> + * + * 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. + */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <sys/types.h> + +#include <assert.h> +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "mandoc.h" +#include "out.h" +#include "man.h" +#include "term.h" +#include "main.h" + +#define MAXMARGINS 64 /* maximum number of indented scopes */ + +/* FIXME: have PD set the default vspace width. */ + +struct mtermp { + int fl; +#define MANT_LITERAL (1 << 0) + size_t lmargin[MAXMARGINS]; /* margins (incl. visible page) */ + int lmargincur; /* index of current margin */ + int lmarginsz; /* actual number of nested margins */ + size_t offset; /* default offset to visible page */ +}; + +#define DECL_ARGS struct termp *p, \ + struct mtermp *mt, \ + const struct man_node *n, \ + const struct man_meta *m + +struct termact { + int (*pre)(DECL_ARGS); + void (*post)(DECL_ARGS); + int flags; +#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 *, + const struct man_node *); + +static int pre_B(DECL_ARGS); +static int pre_HP(DECL_ARGS); +static int pre_I(DECL_ARGS); +static int pre_IP(DECL_ARGS); +static int pre_OP(DECL_ARGS); +static int pre_PP(DECL_ARGS); +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_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_sp(DECL_ARGS); + +static void post_IP(DECL_ARGS); +static void post_HP(DECL_ARGS); +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 const struct termact termacts[MAN_MAX] = { + { pre_sp, NULL, MAN_NOTEXT }, /* br */ + { NULL, NULL, 0 }, /* TH */ + { pre_SH, post_SH, 0 }, /* SH */ + { pre_SS, post_SS, 0 }, /* SS */ + { pre_TP, post_TP, 0 }, /* TP */ + { pre_PP, NULL, 0 }, /* LP */ + { pre_PP, NULL, 0 }, /* PP */ + { pre_PP, NULL, 0 }, /* P */ + { pre_IP, post_IP, 0 }, /* IP */ + { pre_HP, post_HP, 0 }, /* HP */ + { NULL, NULL, 0 }, /* SM */ + { pre_B, NULL, 0 }, /* SB */ + { pre_alternate, NULL, 0 }, /* BI */ + { pre_alternate, NULL, 0 }, /* IB */ + { pre_alternate, NULL, 0 }, /* BR */ + { pre_alternate, NULL, 0 }, /* RB */ + { NULL, NULL, 0 }, /* R */ + { pre_B, NULL, 0 }, /* B */ + { 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, 0 }, /* PD */ + { pre_ign, NULL, 0 }, /* AT */ + { pre_in, NULL, MAN_NOTEXT }, /* in */ + { pre_ft, NULL, MAN_NOTEXT }, /* ft */ + { pre_OP, NULL, 0 }, /* OP */ +}; + + + +void +terminal_man(void *arg, const struct man *man) +{ + struct termp *p; + const struct man_node *n; + const struct man_meta *m; + struct mtermp mt; + + p = (struct termp *)arg; + + if (0 == p->defindent) + p->defindent = 7; + + p->overstep = 0; + p->maxrmargin = p->defrmargin; + p->tabwidth = term_len(p, 5); + + if (NULL == p->symtab) + p->symtab = mchars_alloc(); + + n = man_node(man); + m = man_meta(man); + + term_begin(p, print_man_head, print_man_foot, m); + 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); + + if (n->child) + print_man_nodelist(p, &mt, n->child, m); + + 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. + * The rules are pretty simple, since there's very little nesting going + * on here. Basically, if we're the first within another block (SS/SH), + * then don't emit vertical space. If we are (RS), then do. If not the + * first, print it. + */ +static void +print_bvspace(struct termp *p, const struct man_node *n) +{ + + term_newln(p); + + if (n->body && n->body->child) + if (MAN_TBL == n->body->child->type) + return; + + if (MAN_ROOT == n->parent->type || MAN_RS != n->parent->tok) + if (NULL == n->prev) + return; + + term_vspace(p); +} + +/* ARGSUSED */ +static int +pre_ign(DECL_ARGS) +{ + + return(0); +} + + +/* ARGSUSED */ +static int +pre_I(DECL_ARGS) +{ + + term_fontrepl(p, TERMFONT_UNDER); + return(1); +} + + +/* ARGSUSED */ +static int +pre_literal(DECL_ARGS) +{ + + term_newln(p); + + if (MAN_nf == n->tok) + mt->fl |= MANT_LITERAL; + else + mt->fl &= ~MANT_LITERAL; + + /* + * Unlike .IP and .TP, .HP does not have a HEAD. + * So in case a second call to term_flushln() is needed, + * indentation has to be set up explicitly. + */ + 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->flags |= TERMP_NOSPACE; + } + + return(0); +} + +/* ARGSUSED */ +static int +pre_alternate(DECL_ARGS) +{ + enum termfont font[2]; + const struct man_node *nn; + int savelit, i; + + switch (n->tok) { + case (MAN_RB): + font[0] = TERMFONT_NONE; + font[1] = TERMFONT_BOLD; + break; + case (MAN_RI): + font[0] = TERMFONT_NONE; + font[1] = TERMFONT_UNDER; + break; + case (MAN_BR): + font[0] = TERMFONT_BOLD; + font[1] = TERMFONT_NONE; + break; + case (MAN_BI): + font[0] = TERMFONT_BOLD; + font[1] = TERMFONT_UNDER; + break; + case (MAN_IR): + font[0] = TERMFONT_UNDER; + font[1] = TERMFONT_NONE; + break; + case (MAN_IB): + font[0] = TERMFONT_UNDER; + font[1] = TERMFONT_BOLD; + break; + default: + abort(); + } + + savelit = MANT_LITERAL & mt->fl; + mt->fl &= ~MANT_LITERAL; + + for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) { + term_fontrepl(p, font[i]); + if (savelit && NULL == nn->next) + mt->fl |= MANT_LITERAL; + print_man_node(p, mt, nn, m); + if (nn->next) + p->flags |= TERMP_NOSPACE; + } + + return(0); +} + +/* ARGSUSED */ +static int +pre_B(DECL_ARGS) +{ + + term_fontrepl(p, TERMFONT_BOLD); + return(1); +} + +/* ARGSUSED */ +static int +pre_OP(DECL_ARGS) +{ + + term_word(p, "["); + p->flags |= TERMP_NOSPACE; + + if (NULL != (n = n->child)) { + term_fontrepl(p, TERMFONT_BOLD); + term_word(p, n->string); + } + if (NULL != n && NULL != n->next) { + term_fontrepl(p, TERMFONT_UNDER); + term_word(p, n->next->string); + } + + term_fontrepl(p, TERMFONT_NONE); + p->flags |= TERMP_NOSPACE; + term_word(p, "]"); + return(0); +} + +/* ARGSUSED */ +static int +pre_ft(DECL_ARGS) +{ + const char *cp; + + if (NULL == n->child) { + term_fontlast(p); + 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; + case ('P'): + term_fontlast(p); + break; + case ('1'): + /* FALLTHROUGH */ + case ('C'): + /* FALLTHROUGH */ + case ('R'): + term_fontrepl(p, TERMFONT_NONE); + break; + default: + break; + } + return(0); +} + +/* ARGSUSED */ +static int +pre_in(DECL_ARGS) +{ + int len, less; + size_t v; + const char *cp; + + term_newln(p); + + if (NULL == n->child) { + p->offset = mt->offset; + return(0); + } + + cp = n->child->string; + less = 0; + + if ('-' == *cp) + less = -1; + else if ('+' == *cp) + less = 1; + else + cp--; + + if ((len = a2width(p, ++cp)) < 0) + return(0); + + v = (size_t)len; + + if (less < 0) + p->offset -= p->offset > v ? v : p->offset; + else if (less > 0) + p->offset += v; + else + p->offset = v; + + /* 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) +{ + size_t i, len; + + if ((NULL == n->prev && n->parent)) { + if (MAN_SS == n->parent->tok) + return(0); + if (MAN_SH == n->parent->tok) + return(0); + } + + switch (n->tok) { + case (MAN_br): + len = 0; + break; + default: + len = n->child ? a2height(p, n->child->string) : 1; + break; + } + + if (0 == len) + term_newln(p); + for (i = 0; i < len; i++) + term_vspace(p); + + return(0); +} + + +/* ARGSUSED */ +static int +pre_HP(DECL_ARGS) +{ + size_t len, one; + int ival; + const struct man_node *nn; + + switch (n->type) { + case (MAN_BLOCK): + print_bvspace(p, n); + return(1); + case (MAN_BODY): + p->flags |= TERMP_NOBREAK; + p->flags |= TERMP_TWOSPACE; + break; + default: + return(0); + } + + 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; + + 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_BLOCK): + term_flushln(p); + break; + case (MAN_BODY): + term_flushln(p); + p->flags &= ~TERMP_NOBREAK; + p->flags &= ~TERMP_TWOSPACE; + p->offset = mt->offset; + p->rmargin = p->maxrmargin; + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +pre_PP(DECL_ARGS) +{ + + switch (n->type) { + case (MAN_BLOCK): + mt->lmargin[mt->lmargincur] = term_len(p, p->defindent); + print_bvspace(p, n); + break; + default: + p->offset = mt->offset; + break; + } + + return(MAN_HEAD != n->type); +} + + +/* ARGSUSED */ +static int +pre_IP(DECL_ARGS) +{ + const struct man_node *nn; + size_t len; + int savelit, ival; + + switch (n->type) { + case (MAN_BODY): + p->flags |= TERMP_NOSPACE; + break; + case (MAN_HEAD): + p->flags |= TERMP_NOBREAK; + break; + case (MAN_BLOCK): + print_bvspace(p, n); + /* 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; + + switch (n->type) { + case (MAN_HEAD): + /* Handle zero-width lengths. */ + if (0 == len) + len = term_len(p, 1); + + 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; + + if (n->child) + print_man_node(p, mt, n->child, m); + + if (savelit) + mt->fl |= MANT_LITERAL; + + return(0); + case (MAN_BODY): + p->offset = mt->offset + len; + p->rmargin = p->maxrmargin; + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +post_IP(DECL_ARGS) +{ + + switch (n->type) { + case (MAN_HEAD): + term_flushln(p); + p->flags &= ~TERMP_NOBREAK; + p->rmargin = p->maxrmargin; + break; + case (MAN_BODY): + term_newln(p); + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +pre_TP(DECL_ARGS) +{ + const struct man_node *nn; + size_t len; + int savelit, ival; + + switch (n->type) { + case (MAN_HEAD): + p->flags |= TERMP_NOBREAK; + break; + case (MAN_BODY): + p->flags |= TERMP_NOSPACE; + break; + case (MAN_BLOCK): + print_bvspace(p, n); + /* 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; + + switch (n->type) { + case (MAN_HEAD): + /* Handle zero-length properly. */ + if (0 == len) + len = term_len(p, 1); + + p->offset = mt->offset; + p->rmargin = mt->offset + len; + + savelit = MANT_LITERAL & mt->fl; + 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, m); + + if (savelit) + mt->fl |= MANT_LITERAL; + if (ival >= 0) + mt->lmargin[mt->lmargincur] = (size_t)ival; + + return(0); + case (MAN_BODY): + p->offset = mt->offset + len; + p->rmargin = p->maxrmargin; + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +post_TP(DECL_ARGS) +{ + + switch (n->type) { + case (MAN_HEAD): + term_flushln(p); + p->flags &= ~TERMP_NOBREAK; + p->flags &= ~TERMP_TWOSPACE; + p->rmargin = p->maxrmargin; + break; + case (MAN_BODY): + term_newln(p); + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +pre_SS(DECL_ARGS) +{ + + switch (n->type) { + 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) + break; + term_vspace(p); + break; + case (MAN_HEAD): + term_fontrepl(p, TERMFONT_BOLD); + p->offset = term_len(p, p->defindent/2); + break; + case (MAN_BODY): + p->offset = mt->offset; + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +post_SS(DECL_ARGS) +{ + + switch (n->type) { + case (MAN_HEAD): + term_newln(p); + break; + case (MAN_BODY): + term_newln(p); + break; + default: + break; + } +} + + +/* ARGSUSED */ +static int +pre_SH(DECL_ARGS) +{ + + switch (n->type) { + 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) + break; + term_vspace(p); + break; + case (MAN_HEAD): + term_fontrepl(p, TERMFONT_BOLD); + p->offset = 0; + break; + case (MAN_BODY): + p->offset = mt->offset; + break; + default: + break; + } + + return(1); +} + + +/* ARGSUSED */ +static void +post_SH(DECL_ARGS) +{ + + switch (n->type) { + case (MAN_HEAD): + term_newln(p); + break; + case (MAN_BODY): + term_newln(p); + break; + default: + break; + } +} + +/* ARGSUSED */ +static int +pre_RS(DECL_ARGS) +{ + int ival; + size_t sz; + + switch (n->type) { + case (MAN_BLOCK): + term_newln(p); + return(1); + case (MAN_HEAD): + return(0); + default: + 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 += sz; + p->rmargin = p->maxrmargin; + p->offset = mt->offset < p->rmargin ? mt->offset : p->rmargin; + + if (++mt->lmarginsz < MAXMARGINS) + mt->lmargincur = mt->lmarginsz; + + mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1]; + return(1); +} + +/* ARGSUSED */ +static void +post_RS(DECL_ARGS) +{ + int ival; + size_t sz; + + switch (n->type) { + case (MAN_BLOCK): + return; + 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; + p->offset = mt->offset; + + if (--mt->lmarginsz < MAXMARGINS) + mt->lmargincur = mt->lmarginsz; +} + +static void +print_man_node(DECL_ARGS) +{ + size_t rm, rmax; + int c; + + switch (n->type) { + case(MAN_TEXT): + /* + * If we have a blank line, output a vertical space. + * If we have a space as the first character, break + * before printing the line's data. + */ + if ('\0' == *n->string) { + term_vspace(p); + return; + } else if (' ' == *n->string && MAN_LINE & n->flags) + term_newln(p); + + term_word(p, n->string); + + /* + * If we're in a literal context, make sure that words + * togehter on the same line stay together. This is a + * POST-printing call, so we check the NEXT word. Since + * -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)) { + rm = p->rmargin; + rmax = p->maxrmargin; + p->rmargin = p->maxrmargin = TERM_MAXMARGIN; + p->flags |= TERMP_NOSPACE; + term_flushln(p); + p->rmargin = rm; + p->maxrmargin = rmax; + } + + if (MAN_EOS & n->flags) + p->flags |= TERMP_SENTENCE; + return; + case (MAN_EQN): + term_eqn(p, n->eqn); + return; + 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) + term_newln(p); + term_tbl(p, n->span); + return; + default: + break; + } + + if ( ! (MAN_NOTEXT & termacts[n->tok].flags)) + term_fontrepl(p, TERMFONT_NONE); + + c = 1; + if (termacts[n->tok].pre) + c = (*termacts[n->tok].pre)(p, mt, n, m); + + if (c && n->child) + print_man_nodelist(p, mt, n->child, m); + + if (termacts[n->tok].post) + (*termacts[n->tok].post)(p, mt, n, m); + if ( ! (MAN_NOTEXT & termacts[n->tok].flags)) + term_fontrepl(p, TERMFONT_NONE); + + if (MAN_EOS & n->flags) + p->flags |= TERMP_SENTENCE; +} + + +static void +print_man_nodelist(DECL_ARGS) +{ + + print_man_node(p, mt, n, m); + if ( ! n->next) + return; + print_man_nodelist(p, mt, n->next, m); +} + + +static void +print_man_foot(struct termp *p, const void *arg) +{ + char title[BUFSIZ]; + size_t datelen; + const struct man_meta *meta; + + meta = (const struct man_meta *)arg; + assert(meta->title); + assert(meta->msec); + assert(meta->date); + + term_fontrepl(p, TERMFONT_NONE); + + term_vspace(p); + + /* + * Temporary, undocumented option to imitate mdoc(7) output. + * In the bottom right corner, use the source instead of + * the title. + */ + + if ( ! p->mdocstyle) { + term_vspace(p); + term_vspace(p); + snprintf(title, BUFSIZ, "%s(%s)", meta->title, meta->msec); + } else if (meta->source) { + strlcpy(title, meta->source, BUFSIZ); + } else { + title[0] = '\0'; + } + datelen = term_strlen(p, meta->date); + + /* Bottom left corner: manual source. */ + + p->flags |= TERMP_NOSPACE | TERMP_NOBREAK; + p->offset = 0; + p->rmargin = (p->maxrmargin - datelen + term_len(p, 1)) / 2; + + if (meta->source) + term_word(p, meta->source); + term_flushln(p); + + /* 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; + + term_word(p, meta->date); + term_flushln(p); + + /* Bottom right corner: manual title and section. */ + + p->flags &= ~TERMP_NOBREAK; + p->flags |= TERMP_NOSPACE; + p->offset = p->rmargin; + p->rmargin = p->maxrmargin; + + term_word(p, title); + term_flushln(p); +} + + +static void +print_man_head(struct termp *p, const void *arg) +{ + char buf[BUFSIZ], title[BUFSIZ]; + size_t buflen, titlen; + const struct man_meta *m; + + m = (const struct man_meta *)arg; + assert(m->title); + assert(m->msec); + + if (m->vol) + strlcpy(buf, m->vol, BUFSIZ); + else + buf[0] = '\0'; + buflen = term_strlen(p, buf); + + /* Top left corner: manual title and section. */ + + snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec); + titlen = term_strlen(p, title); + + p->flags |= TERMP_NOBREAK | TERMP_NOSPACE; + 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); + + /* At the top in the middle: manual volume. */ + + 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); + + /* Top right corner: title and section, again. */ + + p->flags &= ~TERMP_NOBREAK; + 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; + + /* + * Groff prints three blank lines before the content. + * Do the same, except in the temporary, undocumented + * mode imitating mdoc(7) output. + */ + + term_vspace(p); + if ( ! p->mdocstyle) { + term_vspace(p); + term_vspace(p); + } +} |