inc/3rdparty/libraries/MOBIClass/PalmRecord.php

   1 <?php
   2 /**
   3  * A Record of a PDB file
   4  *
   5  * @author Sander
   6  */
   7 class PalmRecord extends FileObject {
   8         /**
   9          * @var FileElement
  10          */
  11         private $elements;
  12
  13         public function __construct($settings, $records, $textRecords, $textLength, $images){
  14                 $this->elements = new FileElement(array(
  15                         "compression"=>new FileShort(),
  16                         "unused"=>new FileShort(),
  17                         "textLength"=>new FileInt(),
  18                         "recordCount"=>new FileShort(),
  19                         "recordSize"=>new FileShort(),
  20                         "encryptionType"=>new FileShort(),
  21                         "unused2"=>new FileShort(),
  22                         //MOBI Header
  23                         "mobiIdentifier"=>new FileString("MOBI", 4),
  24                         "mobiHeaderLength"=>new FileInt(),
  25                         "mobiType"=>new FileInt(),
  26                         "textEncoding"=>new FileInt(),
  27                         "uniqueID"=>new FileInt(),
  28                         "fileVersion"=>new FileInt(),
  29                         "reserved"=>new FileString(40),
  30                         "firstNonBookIndex"=>new FileInt(),
  31                         "fullNameOffset"=>new FileInt(),
  32                         "fullNameLength"=>new FileInt(),
  33                         "locale"=>new FileInt(),
  34                         "inputLanguage"=>new FileInt(),
  35                         "outputLanguage"=>new FileInt(),
  36                         "minimumVersion"=>new FileInt(),
  37                         "firstImageIndex"=>new FileInt(),
  38                         "huffmanRecordOffset"=>new FileInt(),
  39                         "huffmanRecordCount"=>new FileInt(),
  40                         "unused3"=>new FileString(8),
  41                         "exthFlags"=>new FileInt(0x40),
  42                         "unknown"=>new FileString(32),
  43                         "drmOffset"=>new FileInt(0xFFFFFFFF),
  44                         "drmCount"=>new FileShort(0xFFFFFFFF),
  45                         "drmSize"=>new FileShort(),
  46                         "drmFlags"=>new FileInt(),
  47                         "mobiFiller"=>new FileString(72),
  48                         //EXTH Header
  49                         "exthIdentifier"=>new FileString("EXTH", 4),
  50                         "exthHeaderLength"=>new FileInt(),
  51                         "exthRecordCount"=>new FileInt(),
  52                         "exthRecords"=>new FileElement(),
  53                         "exthPadding"=>new FileString(),
  54                         //"fullNamePadding"=>new FileString(100),
  55                         "fullName"=>new FileString()
  56                                 ));
  57
  58                 //Set values from the info block
  59                 foreach($settings->values as $name => $val){
  60                         //echo $name.", ";
  61                         if($this->elements->exists($name)){
  62                                 $this->elements->get($name)->set($settings->get($name));
  63                         }
  64                 }
  65
  66                 $els = $settings->values;
  67
  68                 $exthElems = new FileElement();
  69                 $i = 0;
  70                 $l = 0;
  71                 foreach($els as $name=>$val){
  72                         $type = EXTHHelper::textToType($name);
  73                         if($type !== false){
  74                                 $type = new FileInt($type);
  75                                 $length = new FileInt(8+strlen($val));
  76                                 $data = new FileString($val);
  77                                 $l += 8+strlen($val);
  78                                 $exthElems->add("type".$i, $type);
  79                                 $exthElems->add("length".$i, $length);
  80                                 $exthElems->add("data".$i, $data);
  81                                 $i++;
  82                         }
  83                 }
  84
  85                 if($images > 0){
  86                         $this->elements->get("firstImageIndex")->set($textRecords+1);
  87                 }
  88                 $this->elements->get("firstNonBookIndex")->set($textRecords+2+$images);
  89                 $this->elements->get("reserved")->set(str_pad("", 40, chr(255), STR_PAD_RIGHT));
  90                 $this->elements->get("exthRecordCount")->set($i);
  91                 $this->elements->set("exthRecords", $exthElems);
  92                 $pad = $l%4;
  93                 $pad = (4-$pad)%4;
  94                 $this->elements->get("exthPadding")->set(str_pad("", $pad, "\0", STR_PAD_RIGHT));
  95                 $this->elements->get("exthHeaderLength")->set(12+$l+$pad);
  96
  97
  98                 $this->elements->get("recordCount")->set($textRecords);
  99
 100                 $this->elements->get("fullNameOffset")->set($this->elements->offsetToEntry("fullName"));
 101                 $this->elements->get("fullNameLength")->set(strlen($settings->get("title")));
 102                 $this->elements->get("fullName")->set($settings->get("title"));
 103                 $this->elements->get("textLength")->set($textLength);
 104         }
 105
 106         public function getByteLength(){
 107                 return $this->getLength();
 108         }
 109
 110         public function getLength(){
 111                 return $this->elements->getByteLength();
 112         }
 113
 114         public function get(){
 115                 return $this;
 116         }
 117
 118         public function set($elements){
 119                 throw new Exception("Unallowed set");
 120         }
 121
 122         public function serialize() {
 123                 return $this->elements->serialize();
 124         }
 125
 126         public function unserialize($data) {
 127                 $this->elements->unserialize($data);
 128         }
 129
 130         public function __toString(){
 131                 $output = "PalmDoc Record (".$this->getByteLength()." bytes):\n";
 132                 $output .= $this->elements;
 133                 return $output;
 134         }
 135 }
 136 ?>