-/* $Id: mdoc_term.c,v 1.97 2009/10/27 08:26:12 kristaps Exp $ */
+/* $Id: mdoc_term.c,v 1.106 2010/01/01 14:32:52 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <assert.h>
#include <ctype.h>
-#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void print_bvspace(struct termp *,
const struct mdoc_node *,
const struct mdoc_node *);
-static void print_node(DECL_ARGS);
-static void print_head(DECL_ARGS);
-static void print_body(DECL_ARGS);
+static void print_mdoc_node(DECL_ARGS);
+static void print_mdoc_head(DECL_ARGS);
+static void print_mdoc_nodelist(DECL_ARGS);
static void print_foot(DECL_ARGS);
#ifdef __linux__
static int termp_ft_pre(DECL_ARGS);
static int termp_in_pre(DECL_ARGS);
static int termp_it_pre(DECL_ARGS);
+static int termp_li_pre(DECL_ARGS);
static int termp_lk_pre(DECL_ARGS);
static int termp_nd_pre(DECL_ARGS);
static int termp_nm_pre(DECL_ARGS);
{ termp_ft_pre, termp_ft_post }, /* Ft */
{ termp_bold_pre, NULL }, /* Ic */
{ termp_in_pre, termp_in_post }, /* In */
- { NULL, NULL }, /* Li */
+ { termp_li_pre, NULL }, /* Li */
{ termp_nd_pre, NULL }, /* Nd */
{ termp_nm_pre, NULL }, /* Nm */
{ termp_op_pre, termp_op_post }, /* Op */
n = mdoc_node(mdoc);
m = mdoc_meta(mdoc);
- print_head(p, NULL, m, n);
+ print_mdoc_head(p, NULL, m, n);
if (n->child)
- print_body(p, NULL, m, n->child);
+ print_mdoc_nodelist(p, NULL, m, n->child);
print_foot(p, NULL, m, n);
}
static void
-print_body(DECL_ARGS)
+print_mdoc_nodelist(DECL_ARGS)
{
- print_node(p, pair, m, n);
+ print_mdoc_node(p, pair, m, n);
if (n->next)
- print_body(p, pair, m, n->next);
+ print_mdoc_nodelist(p, pair, m, n->next);
}
/* ARGSUSED */
static void
-print_node(DECL_ARGS)
+print_mdoc_node(DECL_ARGS)
{
- int chld, bold, under;
+ int chld;
+ const void *font;
struct termpair npair;
size_t offset, rmargin;
chld = 1;
offset = p->offset;
rmargin = p->rmargin;
- bold = p->bold;
- under = p->under;
+ font = term_fontq(p);
memset(&npair, 0, sizeof(struct termpair));
npair.ppair = pair;
chld = (*termacts[n->tok].pre)(p, &npair, m, n);
} else
term_word(p, n->string);
- if (chld && n->child)
- print_body(p, &npair, m, n->child);
- /*
- * XXX - if bold/under were to span scopes, this wouldn't be
- * possible, but because decoration is always in-scope, we can
- * get away with this.
- */
+ if (chld && n->child)
+ print_mdoc_nodelist(p, &npair, m, n->child);
- p->bold = bold;
- p->under = under;
+ term_fontpopq(p, font);
if (MDOC_TEXT != n->type)
if (termacts[n->tok].post)
static void
print_foot(DECL_ARGS)
{
- char buf[DATESIZ];
- char *os;
+ char buf[DATESIZ], os[BUFSIZ];
+
+ term_fontrepl(p, TERMFONT_NONE);
/*
* Output the footer in new-groff style, that is, three columns
* SYSTEM DATE SYSTEM
*/
- if (NULL == (os = malloc(p->rmargin)))
- err(EXIT_FAILURE, "malloc");
-
time2a(m->date, buf, DATESIZ);
-
- (void)strlcpy(os, m->os, p->rmargin);
+ strlcpy(os, m->os, BUFSIZ);
term_vspace(p);
p->offset = 0;
p->rmargin = p->maxrmargin;
p->flags = 0;
-
- free(os);
}
-/* FIXME: put in utility library. */
/* ARGSUSED */
static void
-print_head(DECL_ARGS)
+print_mdoc_head(DECL_ARGS)
{
- char *buf, *title;
+ char buf[BUFSIZ], title[BUFSIZ];
p->rmargin = p->maxrmargin;
p->offset = 0;
- if (NULL == (buf = malloc(p->rmargin)))
- err(EXIT_FAILURE, "malloc");
- if (NULL == (title = malloc(p->rmargin)))
- err(EXIT_FAILURE, "malloc");
-
/*
* The header is strange. It has three components, which are
* really two with the first duplicated. It goes like this:
*/
assert(m->vol);
- (void)strlcpy(buf, m->vol, p->rmargin);
+ strlcpy(buf, m->vol, BUFSIZ);
if (m->arch) {
- (void)strlcat(buf, " (", p->rmargin);
- (void)strlcat(buf, m->arch, p->rmargin);
- (void)strlcat(buf, ")", p->rmargin);
+ strlcat(buf, " (", BUFSIZ);
+ strlcat(buf, m->arch, BUFSIZ);
+ strlcat(buf, ")", BUFSIZ);
}
- snprintf(title, p->rmargin, "%s(%d)", m->title, m->msec);
+ snprintf(title, BUFSIZ, "%s(%d)", m->title, m->msec);
p->offset = 0;
p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
p->offset = 0;
p->rmargin = p->maxrmargin;
p->flags &= ~TERMP_NOSPACE;
-
- free(title);
- free(buf);
}
if ( ! a2roffsu(arg->value[pos], &su, SCALE_MAX))
SCALE_HS_INIT(&su, strlen(arg->value[pos]));
- /* XXX: pachemu? */
+ /*
+ * This is a bit if a magic number on groff's part. Be careful
+ * in changing it, as the MDOC_Column handler will subtract one
+ * from this for >5 columns (don't go below zero!).
+ */
return(term_hspan(&su) + 2);
}
const struct mdoc_node *bl, *nn;
char buf[7];
int i, type, keys[3], vals[3];
- size_t width, offset;
+ size_t width, offset, ncols;
+ int dcol;
if (MDOC_BLOCK == n->type) {
print_bvspace(p, n->parent->parent, n);
type = arg_listtype(bl);
assert(-1 != type);
+ if (vals[1] >= 0)
+ offset = a2offs(&bl->args->argv[vals[1]]);
+
/* Calculate real width and offset. */
switch (type) {
case (MDOC_Column):
if (MDOC_BODY == n->type)
break;
- /*
- * Work around groff's column handling. The offset is
- * equal to the sum of all widths leading to the current
- * column (plus the -offset value). If this column
- * exceeds the stated number of columns, the width is
- * set as 0, else it's the stated column width (later
- * the 0 will be adjusted to default 10 or, if in the
- * last column case, set to stretch to the margin).
+
+ /*
+ * Imitate groff's column handling.
+ * For each earlier column, add its width.
+ * For less than 5 columns, add two more blanks per column.
+ * For exactly 5 columns, add only one more blank per column.
+ * For more than 5 columns, SUBTRACT one column. We can
+ * do this because a2width() pads exactly 2 spaces.
*/
- for (i = 0, nn = n->prev; nn &&
- i < (int)bl->args->argv[vals[2]].sz;
- nn = nn->prev, i++)
- offset += a2width
- (&bl->args->argv[vals[2]], i);
-
- /* Whether exceeds maximum column. */
- if (i < (int)bl->args->argv[vals[2]].sz)
- width = a2width(&bl->args->argv[vals[2]], i);
- else
- width = 0;
+ ncols = bl->args->argv[vals[2]].sz;
+ dcol = ncols < 5 ? 2 : ncols == 5 ? 1 : -1;
+ for (i=0, nn=n->prev; nn && i < (int)ncols; nn=nn->prev, i++)
+ offset += a2width(&bl->args->argv[vals[2]], i) +
+ (size_t)dcol;
- if (vals[1] >= 0)
- offset += a2offs(&bl->args->argv[vals[1]]);
+ /*
+ * Use the declared column widths,
+ * extended as explained in the preceding paragraph.
+ */
+ if (i < (int)ncols)
+ width = a2width(&bl->args->argv[vals[2]], i) +
+ (size_t)dcol;
+
+ /*
+ * When exceeding the declared number of columns,
+ * leave the remaining widths at 0.
+ * This will later be adjusted to the default width of 10,
+ * or, for the last column, stretched to the right margin.
+ */
break;
default:
if (vals[0] >= 0)
width = a2width(&bl->args->argv[vals[0]], 0);
- if (vals[1] >= 0)
- offset += a2offs(&bl->args->argv[vals[1]]);
break;
}
switch (type) {
case (MDOC_Diag):
if (MDOC_HEAD == n->type)
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
break;
default:
break;
* right-most column is filled to the right margin.
*/
if (MDOC_HEAD == n->type &&
- MDOC_BODY == n->next->type)
+ MDOC_BODY == n->next->type &&
+ p->rmargin < p->maxrmargin)
p->rmargin = p->maxrmargin;
break;
default:
if (MDOC_HEAD == n->type)
switch (type) {
case (MDOC_Bullet):
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, "\\[bu]");
- p->bold--;
+ term_fontpop(p);
break;
case (MDOC_Dash):
/* FALLTHROUGH */
case (MDOC_Hyphen):
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, "\\(hy");
- p->bold--;
+ term_fontpop(p);
break;
case (MDOC_Enum):
(pair->ppair->ppair->count)++;
if (SEC_SYNOPSIS == n->sec)
term_newln(p);
- p->bold++;
+
+ term_fontpush(p, TERMFONT_BOLD);
+
if (NULL == n->child)
term_word(p, m->name);
return(1);
termp_fl_pre(DECL_ARGS)
{
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, "\\-");
- p->flags |= TERMP_NOSPACE;
+
+ /* A blank `Fl' should incur a subsequent space. */
+
+ if (n->child)
+ p->flags |= TERMP_NOSPACE;
+
return(1);
}
term_word(p, "The");
for (nn = n->child; nn; nn = nn->next) {
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, nn->string);
- p->bold--;
+ term_fontpop(p);
p->flags |= TERMP_NOSPACE;
if (nn->next && NULL == nn->next->next)
term_word(p, "(), and");
term_word(p, "the value 0 if successful; otherwise the value "
"-1 is returned and the global variable");
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
term_word(p, "errno");
- p->under--;
+ term_fontpop(p);
term_word(p, "is set to indicate the error.");
term_word(p, "The");
for (nn = n->child; nn; nn = nn->next) {
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, nn->string);
- p->bold--;
+ term_fontpop(p);
p->flags |= TERMP_NOSPACE;
if (nn->next && NULL == nn->next->next)
term_word(p, ", and");
termp_bold_pre(DECL_ARGS)
{
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
return(1);
}
term_vspace(p);
break;
case (MDOC_HEAD):
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
break;
case (MDOC_BODY):
p->offset = INDENT;
if (SEC_SYNOPSIS == n->sec)
if (n->prev && MDOC_Fo == n->prev->tok)
term_vspace(p);
- p->under++;
+
+ term_fontpush(p, TERMFONT_UNDER);
return(1);
}
{
const struct mdoc_node *nn;
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_word(p, n->child->string);
- p->bold--;
+ term_fontpop(p);
p->flags |= TERMP_NOSPACE;
term_word(p, "(");
for (nn = n->child->next; nn; nn = nn->next) {
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
term_word(p, nn->string);
- p->under--;
+ term_fontpop(p);
+
if (nn->next)
term_word(p, ",");
}
const struct mdoc_node *nn;
if (n->parent->tok != MDOC_Fo) {
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
return(1);
}
for (nn = n->child; nn; nn = nn->next) {
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
term_word(p, nn->string);
- p->under--;
+ term_fontpop(p);
+
if (nn->next)
term_word(p, ",");
}
for (nn = n->child; nn; nn = nn->next) {
p->flags |= TERMP_NOSPACE;
- print_node(p, pair, m, nn);
+ print_mdoc_node(p, pair, m, nn);
if (NULL == nn->next)
continue;
if (nn->prev && nn->prev->line < nn->line)
pp = "BSDI BSD/OS";
break;
case (MDOC_Dx):
- pp = "DragonFlyBSD";
+ pp = "DragonFly";
break;
case (MDOC_Fx):
pp = "FreeBSD";
term_vspace(p);
break;
case (MDOC_HEAD):
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
p->offset = HALFINDENT;
break;
default:
termp_cd_pre(DECL_ARGS)
{
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
term_newln(p);
return(1);
}
termp_in_pre(DECL_ARGS)
{
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
if (SEC_SYNOPSIS == n->sec)
term_word(p, "#include");
termp_in_post(DECL_ARGS)
{
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
p->flags |= TERMP_NOSPACE;
term_word(p, ">");
- p->bold--;
+ term_fontpop(p);
if (SEC_SYNOPSIS != n->sec)
return;
} else if (MDOC_HEAD != n->type)
return(1);
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
for (nn = n->child; nn; nn = nn->next) {
assert(MDOC_TEXT == nn->type);
term_word(p, nn->string);
}
- p->bold--;
+ term_fontpop(p);
return(0);
}
if (NULL == (nn = n->head->child)) {
if (arg_hasattr(MDOC_Emphasis, n))
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
else if (arg_hasattr(MDOC_Symbolic, n))
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
+ else
+ term_fontpush(p, TERMFONT_NONE);
return(1);
}
assert(MDOC_TEXT == nn->type);
if (0 == strcmp("Em", nn->string))
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
else if (0 == strcmp("Sy", nn->string))
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
+ else
+ term_fontpush(p, TERMFONT_NONE);
return(1);
}
}
+/* ARGSUSED */
+static int
+termp_li_pre(DECL_ARGS)
+{
+
+ term_fontpush(p, TERMFONT_NONE);
+ return(1);
+}
+
+
/* ARGSUSED */
static int
termp_lk_pre(DECL_ARGS)
{
const struct mdoc_node *nn;
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
nn = n->child;
if (NULL == nn->next)
return(1);
term_word(p, nn->string);
- p->under--;
+ term_fontpop(p);
p->flags |= TERMP_NOSPACE;
term_word(p, ":");
- p->bold++;
+ term_fontpush(p, TERMFONT_BOLD);
for (nn = nn->next; nn; nn = nn->next)
term_word(p, nn->string);
- p->bold--;
+ term_fontpop(p);
return(0);
}
termp_under_pre(DECL_ARGS)
{
- p->under++;
+ term_fontpush(p, TERMFONT_UNDER);
return(1);
}
git.ckatri.com / mandoc.git / blobdiff