<?php
/**
* A Record of a PDB file
*
* @author Sander
*/
class PalmRecord extends FileObject {
/**
* @var FileElement
*/
private $elements;
public function __construct($settings, $records, $textRecords, $textLength, $images){
$this->elements = new FileElement(array(
"compression"=>new FileShort(),
"unused"=>new FileShort(),
"textLength"=>new FileInt(),
"recordCount"=>new FileShort(),
"recordSize"=>new FileShort(),
"encryptionType"=>new FileShort(),
"unused2"=>new FileShort(),
//MOBI Header
"mobiIdentifier"=>new FileString("MOBI", 4),
"mobiHeaderLength"=>new FileInt(),
"mobiType"=>new FileInt(),
"textEncoding"=>new FileInt(),
"uniqueID"=>new FileInt(),
"fileVersion"=>new FileInt(),
"reserved"=>new FileString(40),
"firstNonBookIndex"=>new FileInt(),
"fullNameOffset"=>new FileInt(),
"fullNameLength"=>new FileInt(),
"locale"=>new FileInt(),
"inputLanguage"=>new FileInt(),
"outputLanguage"=>new FileInt(),
"minimumVersion"=>new FileInt(),
"firstImageIndex"=>new FileInt(),
"huffmanRecordOffset"=>new FileInt(),
"huffmanRecordCount"=>new FileInt(),
"unused3"=>new FileString(8),
"exthFlags"=>new FileInt(0x50),
"unknown"=>new FileString(32),
"drmOffset"=>new FileInt(0xFFFFFFFF),
"drmCount"=>new FileInt(0xFFFFFFFF),
"drmSize"=>new FileInt(),
"drmFlags"=>new FileInt(),
"mobiFiller"=>new FileString(12),
"offset192"=>new FileShort(0x01),
"offset194"=>new FileShort(),
"offset196"=>new FileInt(0x01),
"offset200"=>new FileInt(),
"offset204"=>new FileInt(0x01),
"offset208"=>new FileInt(),
"offset212"=>new FileInt(0x01),
"offset216"=>new FileString(8),
"offset224"=>new FileInt(0xFFFFFFFF),
"offset228"=>new FileInt(),
"offset232"=>new FileString(8),
"offset240"=>new FileInt(0x01),
"offset244"=>new FileInt(0xFFFFFFFF),
//EXTH Header
"exthIdentifier"=>new FileString("EXTH", 4),
"exthHeaderLength"=>new FileInt(),
"exthRecordCount"=>new FileInt(),
"exthRecords"=>new FileElement(),
"exthPadding"=>new FileString(),//added the 2 extra pad bytes that comes before name/title
//"fullNamePadding"=>new FileString(100),
"fullName"=>new FileString()
));
//Set values from the info block
foreach($settings->values as $name => $val){
//echo $name.", ";
if($this->elements->exists($name)){
$this->elements->get($name)->set($settings->get($name));
}
}
$els = $settings->values;
$exthElems = new FileElement();
$i = 0;
$l = 0;
foreach($els as $name=>$val){
$type = EXTHHelper::textToType($name);
if($type !== false){
$type = new FileInt($type);
$length = new FileInt(8+strlen($val));
$data = new FileString($val);
$l += 8+strlen($val);
$exthElems->add("type".$i, $type);
$exthElems->add("length".$i, $length);
$exthElems->add("data".$i, $data);
$i++;
}
}
if($images > 0){
$this->elements->get("firstImageIndex")->set($textRecords+2);
}
$this->elements->get("firstNonBookIndex")->set($textRecords+2+$images);
$this->elements->get("reserved")->set(str_pad("", 40, chr(255), STR_PAD_RIGHT));
$this->elements->get("exthRecordCount")->set($i);
$this->elements->set("exthRecords", $exthElems);
$pad = $l%4;
$pad = (4-$pad)%4;
$this->elements->get("exthPadding")->set(str_pad("", $pad+2, "\0", STR_PAD_RIGHT));
$this->elements->get("exthHeaderLength")->set(12+$l+$pad);
$this->elements->get("recordCount")->set($textRecords);
$this->elements->get("fullNameOffset")->set($this->elements->offsetToEntry("fullName"));//need to be checked
$this->elements->get("fullNameLength")->set(strlen($settings->get("title")));
$this->elements->get("fullName")->set($settings->get("title"));
$this->elements->get("textLength")->set($textLength);
$this->elements->get("offset194")->set($textRecords+2+$images);
$this->elements->get("offset200")->set($textRecords+4+$images);
$this->elements->get("offset208")->set($textRecords+3+$images);
$this->elements->get("offset232")->set(str_pad("", 8, chr(255), STR_PAD_RIGHT));
}
public function getByteLength(){
return $this->getLength();
}
public function getLength(){
return $this->elements->getByteLength();
}
public function get(){
return $this;
}
public function set($elements){
throw new Exception("Unallowed set");
}
public function serialize() {
return $this->elements->serialize();
}
public function unserialize($data) {
$this->elements->unserialize($data);
}
public function __toString(){
$output = "PalmDoc Record (".$this->getByteLength()." bytes):\n";
$output .= $this->elements;
return $output;
}
}
?>
