wallabag/inc/3rdparty/libraries/MOBIClass/RecordFactory.php
2014-07-24 21:56:04 +02:00

116 lines
2.6 KiB
PHP

<?php
/**
* Helper class to help with creating records from a
* long data stream
*
* @author Sander
*/
class RecordFactory {
/**
* Settings for the record factory
* @var Settings
*/
private $settings;
/**
* Create the helper class
* @param Settings $settings The Settings to be used for the records
*/
public function __construct($settings){
$this->settings = $settings;
}
/**
* Create records from a data string
* @param string $data
* @return array(Record)
*/
public function createRecords($data){
$records = array();
$size = $this->settings->get("recordSize");
$compression = $this->settings->get("compression");
$dataEntries = mb_str_split($data, $size);
for($i = 0, $len = sizeof($dataEntries); $i < $len; $i++){
$records[$i] = new Record($dataEntries[$i]);
$records[$i]->compress($compression);
}
return $records;
}
public function createEOFRecord(){
return new Record(0xe98e0d0a);
}
public function createFCISRecord($textLength){
$r = "FCIS";
$r .= $this->asString(20, 4);
$r .= $this->asString(16, 4);
$r .= $this->asString(1, 4);
$r .= $this->asString(0, 4);
$r .= $this->asString($textLength, 4);
$r .= $this->asString(0, 4);
$r .= $this->asString(32, 4);
$r .= $this->asString(8, 4);
$r .= $this->asString(1, 2);
$r .= $this->asString(1, 2);
$r .= $this->asString(0, 4);
return new Record($r);
}
public function createFLISRecord(){
$r = "FLIS";
$r .= $this->asString(8, 4);
$r .= $this->asString(65, 2);
$r .= $this->asString(0, 2);
$r .= $this->asString(0, 4);
$r .= $this->asString(-1, 4);
$r .= $this->asString(1, 2);
$r .= $this->asString(3, 2);
$r .= $this->asString(3, 4);
$r .= $this->asString(1, 4);
$r .= $this->asString(-1, 4);
return new Record($r);
}
private function asString($int, $size){
$out = "";
for($i = 0; $i < $size; $i++){
if($i > 0) $out = " ".$out;
$byte = dechex($int & 0xFF);
if(strlen($byte) == 1) $byte = "0".$byte;
$out = $byte.$out;
$int = $int >> 8;
}
return $out;
}
public function __toString() {
$out = "Record Factory: {\n";
$out .= "\tRecord Size: ".$this->settings->get("recordSize")."\n";
$out .= "\tCompression: ".$this->settings->get("compression")."\n";
$out .= "}";
return $out;
}
}
function mb_str_split($string, $split_length = 1){
mb_internal_encoding('UTF-8');
mb_regex_encoding('UTF-8');
$split_length = ($split_length <= 0) ? 1 : $split_length;
$mb_strlen = mb_strlen($string, 'utf-8');
$array = array();
for($i = 0; $i < $mb_strlen; $i += $split_length){
$array[] = mb_substr($string, $i, $split_length);
}
return $array;
}
?>