Database Reference
In-Depth Information
my
$page
=
header
()
.
start_html
(
-
title
=>
$title
)
.
h3
(
$title
);
my
$dbh
=
Cookbook::
connect
();
# Retrieve verses from the book of Esther and associate each one with the
# list of verses for the chapter it belongs to.
my
$sth
=
$dbh
->
prepare
(
"SELECT cnum, vnum, vtext FROM kjv
WHERE bname = 'Esther'
ORDER BY cnum, vnum"
);
$sth
->
execute
();
my
%verses
;
while
(
my
(
$cnum
,
$vnum
,
$vtext
)
=
$sth
->
fetchrow_array
())
{
# Initialize chapter's verse list to empty array if this is
# first verse for it, then add verse number/text to array.
$verses
{
$cnum
}
=
[]
unless
exists
(
$verses
{
$cnum
});
push
(
@
{
$verses
{
$cnum
}},
p
(
escapeHTML
(
"$vnum. $vtext"
)));
}
# Determine all chapter numbers and use them to construct a navigation
# index. These are links of the form <a href="#num>Chapter num</a>, where
# num is a chapter number and '#' signifies a within-page link. No URL-
# or HTML-encoding is done here (the text displayed here doesn't need
# it). Make sure to sort chapter numbers numerically (use { a <=> b }).
# Separate links by nonbreaking spaces.
my
$nav_index
;
foreach
my
$cnum
(
sort
{
$a
<=>
$b
}
keys
(
%verses
))
{
$nav_index
.=
" "
if
$nav_index
;
$nav_index
.=
a
({
-
href
=>
"#$cnum"
},
"Chapter $cnum"
);
}
# Display list of verses for each chapter. Precede each section by a
# label that shows the chapter number and a copy of the navigation index.
foreach
my
$cnum
(
sort
{
$a
<=>
$b
}
keys
(
%verses
))
{
# add an <a name> anchor for this section of the chapter display
$page
.=
p
(
a
({
-
name
=>
$cnum
},
font
({
-
size
=>
"+2"
},
"Chapter $cnum"
))
.
br
()
.
$nav_index
);
$page
.=
join
(
""
,
@
{
$verses
{
$cnum
}});
# add array of verses for chapter
}
$dbh
->
disconnect
();
$page
.=
end_html
();
