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

   1 <?php
   2
   3 /**
   4  * Helper class to help with creating records from a
   5  * long data stream
   6  *
   7  * @author Sander
   8  */
   9 class RecordFactory {
  10         /**
  11          * Settings for the record factory
  12          * @var Settings
  13          */
  14         private $settings;
  15
  16         /**
  17          * Create the helper class
  18          * @param Settings $settings The Settings to be used for the records
  19          */
  20         public function __construct($settings){
  21                 $this->settings = $settings;
  22         }
  23
  24         /**
  25          * Create records from a data string
  26          * @param string $data
  27          * @return array(Record)
  28          */
  29         public function createRecords($data){
  30                 $records = array();
  31                 $size = $this->settings->get("recordSize");
  32                 $compression = $this->settings->get("compression");
  33
  34                 $dataEntries = mb_str_split($data, $size);
  35
  36                 for($i = 0, $len = sizeof($dataEntries); $i < $len; $i++){
  37                         $records[$i] = new Record($dataEntries[$i]);
  38                         $records[$i]->compress($compression);
  39                 }
  40
  41                 return $records;
  42         }
  43
  44         public function createEOFRecord(){
  45                 return new Record(0xe98e0d0a);
  46         }
  47
  48         public function createFCISRecord($textLength){
  49                 $r = "FCIS";
  50                 $r .= $this->asString(20, 4);
  51                 $r .= $this->asString(16, 4);
  52                 $r .= $this->asString(1, 4);
  53                 $r .= $this->asString(0, 4);
  54                 $r .= $this->asString($textLength, 4);
  55                 $r .= $this->asString(0, 4);
  56                 $r .= $this->asString(32, 4);
  57                 $r .= $this->asString(8, 4);
  58                 $r .= $this->asString(1, 2);
  59                 $r .= $this->asString(1, 2);
  60                 $r .= $this->asString(0, 4);
  61                 return new Record($r);
  62         }
  63
  64         public function createFLISRecord(){
  65                 $r = "FLIS";
  66                 $r .= $this->asString(8, 4);
  67                 $r .= $this->asString(65, 2);
  68                 $r .= $this->asString(0, 2);
  69                 $r .= $this->asString(0, 4);
  70                 $r .= $this->asString(-1, 4);
  71                 $r .= $this->asString(1, 2);
  72                 $r .= $this->asString(3, 2);
  73                 $r .= $this->asString(3, 4);
  74                 $r .= $this->asString(1, 4);
  75                 $r .= $this->asString(-1, 4);
  76                 return new Record($r);
  77         }
  78
  79         private function asString($int, $size){
  80                 $out = "";
  81                 for($i = 0; $i < $size; $i++){
  82                         if($i > 0) $out = " ".$out;
  83                         $byte = dechex($int & 0xFF);
  84                         if(strlen($byte) == 1) $byte = "0".$byte;
  85                         $out = $byte.$out;
  86                         $int = $int >> 8;
  87                 }
  88                 return $out;
  89         }
  90
  91         public function __toString() {
  92                 $out = "Record Factory: {\n";
  93                 $out .= "\tRecord Size: ".$this->settings->get("recordSize")."\n";
  94                 $out .= "\tCompression: ".$this->settings->get("compression")."\n";
  95                 $out .= "}";
  96                 return $out;
  97         }
  98 }
  99 function mb_str_split($string, $split_length = 1){
 100         mb_internal_encoding('UTF-8');
 101         mb_regex_encoding('UTF-8');
 102
 103         $split_length = ($split_length <= 0) ? 1 : $split_length;
 104
 105         $mb_strlen = mb_strlen($string, 'utf-8');
 106
 107         $array = array();
 108
 109         for($i = 0; $i < $mb_strlen; $i += $split_length){
 110                 $array[] = mb_substr($string, $i, $split_length);
 111         }
 112
 113         return $array;
 114 }
 115 ?>