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| <?php
$fb2_file = '44.fb2';
$html = '';
$skip = 0;
$limit = 120000;
$handle = fopen($fb2_file, "r");
if ($handle) {
$transformer = new Transformer();
$bodyFound = false;
$lineNum=0;
while (($line = fgets($handle)) !== false) {
if (!$bodyFound && strstr($line, "<body")) {
$bodyFound = true;
continue;
}
if ($bodyFound) {
$lineNum++;
if (strstr($line, "</body>")) {
break;
}
if ($lineNum < $skip) {
continue;
}
if ($lineNum > $skip + $limit) {
break;
}
$html .= $transformer->transform($line);
}
}
// locate last </p>
$lastP = strrpos($html, '</p>');
if ($lastP !== FALSE) {
$html = substr($html, 0, $lastP + strlen('</p>'));
}
fclose($handle);
} else {
$html = 'Not found';
}
class Transformer {
private $stack = array();
private function replace($matches) {
$tag = strtolower($matches[2]);
$closing = $matches[1];
$attribute = isset($matches[3]) ? $matches[3] : '';
if ($tag == 'empty-line') {
return '<br>';
}
if ($tag == 'image') {
if (preg_match('|href="#([^"]+)"|', $attribute, $matches)) {
return '<img alt="Image" src="/binary.php?id=' . urlencode($matches[1]) . '" />';
}
}
// skips
$skips = array('section', 'a', 'script');
if (in_array($tag, $skips)) { print_r($matches,1);
return '';
}
// parts
$parts = array('epigraph', 'annotation', 'cite', 'poem', 'history', 'title', 'subtitle', 'poem', 'stanza');
if (in_array($tag, $parts)) {
if ($closing) {
$key = array_search($tag, $this->stack);
if ($key !== FALSE) {
unset($this->stack[$key]);
}
} else {
array_unshift($this->stack, $tag);
}
return '';
}
// paragraphs
$paragraphs = array('text-author', 'p', 'v');
if (in_array($tag, $paragraphs)) {
if ($closing) {
return '</p>';
} else {
$class = trim(implode(' ', $this->stack) . ($tag != 'p' ? ' ' . $tag : '')) ;
if ($class) {
return '<p class="' . trim($class) .'">';
} else {
return '<p>';
}
}
}
// spans
$spans = array('emphasis', 'strikethrough' , 'sub', 'sup', 'code');
if (in_array($tag, $spans)) {
if ($closing) {
return '</span>';
} else {
$class = trim(implode(' ', $this->stack) . ' ' . $tag);
if ($class) {
return '<span class="' . trim($class) . '">';
} else {
} return '</span>';
}
}
return '';
}
public function transform($line) {
$line = preg_replace_callback('@<(/)?([a-z\-]+)(\s+.*)?/?>@iU', array($this, 'replace') , $line);
return $line;
}
}
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>BOOK</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
p.title {
font-size:25px;
}
p.epigraph {
font-style: italic;
font-size:20px;
}
p.text-author {
font-style: italic;
font-size:20px;
}
</style>
</head>
<body background="/bg.jpg">
<?php
//echo '<pre>' . htmlspecialchars($html) . '</pre>';
echo $html;
?>
</pre>
</body>
</html> |
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