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A search utility for unzipped epubs
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<style>
#view { float: right; width: 75vw; height: 98vh; }
nav { float: left; width: 20vw; height: 98vh; }
#nav { height: 100%; max-height: 90vh; overflow-y: scroll; }
.active { font-weight: bold; }
</style>
<title>Book search</title>
<iframe name=bob id=view src=blank.html></iframe>
<nav>
<form method=get>
<input name=search value="<?=$_GET['search']?>" />
<button type=submit>Search</button>
<input label="words" type=checkbox name=only <?=array_key_exists('only',$_GET)?'checked=true':''?> />
</form>
<div id=nav>
<?php
function find_files($path, $type = 'html')
{
$paths = [];
if (is_file(__DIR__.'/'.$path))
{
$paths[] = [
'name' => basename($path, '.'.$type),
'path' => __DIR__.'/'.$path,
'link' => './'.$path
];
}
else foreach (glob(__DIR__.'/'.$path.'/'.'*') as $file)
{
$paths[] = [
'name' => basename($file, '.'.$type),
'path' => $file,
'link' => str_replace(__DIR__, '.', $file)
];
}
return $paths;
}
function search($paths, $term = "", $type = 'html')
{
$matches = [];
foreach ($paths as $p)
{
$text = file_get_contents($p['path']);
if (array_key_exists('only', $_GET))
{
if(preg_match("/\b{$term}\b/", $text) === 1)
$matches[] = [ $p['link'], $p['name'] ];
}
elseif (stripos($text, $term) !== false)
$matches[] = [ $p['link'], $p['name'] ];
}
return $matches;
}
$file = file_get_contents("./stories.json");
$books = json_decode($file, true);
foreach ($books["books"] as $book)
{
if(array_key_exists('tag', $_GET))
{
if (!in_array($_GET['tag'], $book['tags']))
continue;
}
$name = $book["title"];
$files = find_files($book["path"]);
$results = search($files, $_GET['search']);
if (count($results) == 0)
continue;
print "<h5>{$name}</h5>";
foreach ($results as $link)
print "<a target=bob href=\"{$link[0]}\">{$link[1]}</a><br>";
}
?>
</div>
</nav>
<script>
$(function () {
$('a').click( function () {
$(this).addClass('active').siblings().removeClass('active');
});
});
</script>
{
"books": [
{
"title": "Book title",
"path": "path/to/OEBPS/Text",
"tags": [ "some", "keyword", "tags" ]
},
{
"title": "sequel",
"path": "path/for/OEBPS/Text",
"tags": [ "other", "keyword", "tags" ]
}
],
"exclude": [
"bibliography.html",
"copywrite.html",
"cover.html",
"dedication.html",
"title.html",
"title.xml",
"postscript.html"
]
}
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