-/* $Id: man_term.c,v 1.112 2011/06/29 15:38:09 kristaps Exp $ */
+/* $Id: man_term.c,v 1.124 2011/11/18 17:04:06 joerg Exp $ */
/*
* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
#include "term.h"
#include "main.h"
-#define INDENT 7
-#define HALFINDENT 3
+#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)
- /*
- * Default amount to indent the left margin after leading text
- * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
- * indent). This needs to be saved because `HP' and so on, if
- * not having a specified value, must default.
- *
- * Note that this is the indentation AFTER the left offset, so
- * the total offset is usually offset + lmargin.
- */
- size_t lmargin;
- /*
- * The default offset, i.e., the amount between any text and the
- * page boundary.
- */
- size_t offset;
+ 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, \
p = (struct termp *)arg;
+ if (0 == p->defindent)
+ p->defindent = 7;
+
p->overstep = 0;
p->maxrmargin = p->defrmargin;
p->tabwidth = term_len(p, 5);
term_begin(p, print_man_head, print_man_foot, m);
p->flags |= TERMP_NOSPACE;
- mt.fl = 0;
- mt.lmargin = term_len(p, INDENT);
- mt.offset = term_len(p, INDENT);
+ 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);
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);
}
static int
pre_HP(DECL_ARGS)
{
- size_t len;
+ size_t len, one;
int ival;
const struct man_node *nn;
return(0);
}
- len = mt->lmargin;
+ len = mt->lmargin[mt->lmargincur];
ival = -1;
/* Calculate offset. */
if ((ival = a2width(p, nn->string)) >= 0)
len = (size_t)ival;
- if (0 == len)
- len = term_len(p, 1);
+ one = term_len(p, 1);
+ if (len < one)
+ len = one;
p->offset = mt->offset;
p->rmargin = mt->offset + len;
if (ival >= 0)
- mt->lmargin = (size_t)ival;
+ mt->lmargin[mt->lmargincur] = (size_t)ival;
return(1);
}
switch (n->type) {
case (MAN_BLOCK):
- mt->lmargin = term_len(p, INDENT);
+ mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
print_bvspace(p, n);
break;
default:
switch (n->type) {
case (MAN_BODY):
- p->flags |= TERMP_NOLPAD;
p->flags |= TERMP_NOSPACE;
break;
case (MAN_HEAD):
return(1);
}
- len = mt->lmargin;
+ len = mt->lmargin[mt->lmargincur];
ival = -1;
/* Calculate the offset from the optional second argument. */
break;
/* Set the saved left-margin. */
- mt->lmargin = (size_t)ival;
+ mt->lmargin[mt->lmargincur] = (size_t)ival;
savelit = MANT_LITERAL & mt->fl;
mt->fl &= ~MANT_LITERAL;
break;
case (MAN_BODY):
term_newln(p);
- p->flags &= ~TERMP_NOLPAD;
break;
default:
break;
p->flags |= TERMP_NOBREAK;
break;
case (MAN_BODY):
- p->flags |= TERMP_NOLPAD;
p->flags |= TERMP_NOSPACE;
break;
case (MAN_BLOCK):
return(1);
}
- len = (size_t)mt->lmargin;
+ len = (size_t)mt->lmargin[mt->lmargincur];
ival = -1;
/* Calculate offset. */
- if (NULL != (nn = n->parent->head->child)) {
- while (nn && MAN_TEXT != nn->type)
- nn = nn->next;
- if (nn && nn->next)
+ 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):
if (savelit)
mt->fl |= MANT_LITERAL;
-
if (ival >= 0)
- mt->lmargin = (size_t)ival;
+ mt->lmargin[mt->lmargincur] = (size_t)ival;
return(0);
case (MAN_BODY):
break;
case (MAN_BODY):
term_newln(p);
- p->flags &= ~TERMP_NOLPAD;
break;
default:
break;
switch (n->type) {
case (MAN_BLOCK):
- mt->lmargin = term_len(p, INDENT);
- mt->offset = term_len(p, INDENT);
+ 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;
case (MAN_HEAD):
term_fontrepl(p, TERMFONT_BOLD);
- p->offset = term_len(p, HALFINDENT);
+ p->offset = term_len(p, p->defindent/2);
break;
case (MAN_BODY):
p->offset = mt->offset;
switch (n->type) {
case (MAN_BLOCK):
- mt->lmargin = term_len(p, INDENT);
- mt->offset = term_len(p, INDENT);
+ 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;
}
- sz = term_len(p, INDENT);
+ 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->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;
+ mt->lmargin[mt->lmargincur] = mt->lmargin[mt->lmargincur - 1];
return(1);
}
break;
}
- sz = term_len(p, INDENT);
+ sz = term_len(p, p->defindent);
if (NULL != (n = n->parent->head->child))
if ((ival = a2width(p, n->string)) >= 0)
mt->offset = mt->offset < sz ? 0 : mt->offset - sz;
p->offset = mt->offset;
+
+ if (--mt->lmarginsz < MAXMARGINS)
+ mt->lmargincur = mt->lmarginsz;
}
static void
* -man doesn't have nested macros, we don't need to be
* more specific than this.
*/
- if (MANT_LITERAL & mt->fl &&
+ if (MANT_LITERAL & mt->fl && ! (TERMP_NOBREAK & p->flags) &&
(NULL == n->next ||
n->next->line > n->line)) {
rm = p->rmargin;
p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
p->flags |= TERMP_NOSPACE;
term_flushln(p);
- p->flags &= ~TERMP_NOLPAD;
p->rmargin = rm;
p->maxrmargin = rmax;
}
p->flags |= TERMP_SENTENCE;
return;
case (MAN_EQN):
- term_word(p, n->eqn->data);
+ term_eqn(p, n->eqn);
return;
case (MAN_TBL):
/*
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;
term_vspace(p);
term_vspace(p);
term_vspace(p);
+ snprintf(title, BUFSIZ, "%s(%s)", meta->title ? meta->title : "",
+ meta->msec ? meta->msec : "");
+ datelen = term_strlen(p, meta->date ? meta->date : "");
p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
- p->rmargin = p->maxrmargin - term_strlen(p, meta->date);
p->offset = 0;
-
- /* term_strlen() can return zero. */
- if (p->rmargin == p->maxrmargin)
- p->rmargin--;
+ p->rmargin = (p->maxrmargin - datelen + term_len(p, 1)) / 2;
if (meta->source)
term_word(p, meta->source);
- if (meta->source)
- term_word(p, "");
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
- p->rmargin = p->maxrmargin;
+ p->rmargin = p->maxrmargin - term_strlen(p, title);
+ if (p->offset + datelen >= p->rmargin)
+ p->rmargin = p->offset + datelen;
+
+ term_word(p, meta->date ? meta->date : "");
+ term_flushln(p);
+
p->flags &= ~TERMP_NOBREAK;
+ p->flags |= TERMP_NOSPACE;
+ p->offset = p->rmargin;
+ p->rmargin = p->maxrmargin;
- term_word(p, meta->date);
+ term_word(p, title);
term_flushln(p);
}
* point we did so here.
*/
+ p->offset = 0;
p->rmargin = p->maxrmargin;
- p->offset = 0;
buf[0] = title[0] = '\0';
if (m->vol)
strlcpy(buf, m->vol, BUFSIZ);
buflen = term_strlen(p, buf);
- snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
+ snprintf(title, BUFSIZ, "%s(%s)", m->title ? m->title : "",
+ m->msec ? 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;
- p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
term_word(p, title);
term_flushln(p);
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
p->maxrmargin - titlen : p->maxrmargin;
p->flags &= ~TERMP_NOBREAK;
if (p->rmargin + titlen <= p->maxrmargin) {
- p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
+ p->flags |= TERMP_NOSPACE;
p->offset = p->rmargin;
p->rmargin = p->maxrmargin;
term_word(p, title);
term_flushln(p);
}
- p->rmargin = p->maxrmargin;
- p->offset = 0;
p->flags &= ~TERMP_NOSPACE;
+ p->offset = 0;
+ p->rmargin = p->maxrmargin;
/*
* Groff likes to have some leading spaces before content. Well
git.ckatri.com / mandoc.git / blobdiff