agents/PRAY/TagBlock.php

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<?php
require_once(dirname(__FILE__).'/PrayBlock.php');
require_once(dirname(__FILE__).'/../../support/StringReader.php');

abstract class TagBlock extends PrayBlock {
    private $tags;


    public function TagBlock($prayfile,$name,$content,$flags,$type) {
        parent::PrayBlock($prayfile,$name,$content,$flags,$type);
        if($prayfile instanceof PRAYFile) {
        } else if(is_array($prayfile)) {
            $this->tags = $prayfile;
        }
    }


    public function GetTag($key) {
        $this->EnsureDecompiled();
        foreach($this->tags as $tk => $tv) {
            if($key == $tk) {
                return $tv;
            }
        }
    }

    public function GetTags() {
        $this->EnsureDecompiled();
        return $this->tags;
    }


    public function SetTag($tag,$value) {
        $this->EnsureDecompiled();
        $this->tags[$tag] = $value;
    }
    

    protected function CompileBlockData() {
        $compiled = '';
        $ints = array();
        $strings = array();
        foreach($this->tags as $key=>$value) {
            if(is_int($value)) {
                $ints[$key] = $value;
            } else {
                $strings[$key] = $value;
            }
        }
        $compiled .= pack('V',sizeof($ints));
        foreach($ints as $key=>$value) {
            $compiled .= pack('V',strlen($key));
            $compiled .= $key;
            $compiled .= pack('V',$value);
        }
        $compiled .= pack('V',sizeof($strings));
        foreach($strings as $key=>$value) {
            $compiled .= pack('V',strlen($key));
            $compiled .= $key;
            $compiled .= pack('V',strlen($value));
            $compiled .= $value;
        }
        return $compiled;
    }


    protected function DecompileBlockData() {
    //use GetData because it decompresses if necessary.
        $blockReader = new StringReader($this->GetData());
        
        $numInts = $blockReader->ReadInt(4);
        for($i=0;$i<$numInts;$i++) {
            $nameLength = $blockReader->ReadInt(4);
            $name = $blockReader->Read($nameLength);
            $int = $blockReader->ReadInt(4);
            $this->tags[$name] = $int;
        }
        
        
        $numStrings = $blockReader->ReadInt(4);
        for($i=0;$i<$numStrings;$i++) {
            $nameLength = $blockReader->ReadInt(4);
            $name = $blockReader->Read($nameLength);
            $stringLength = $blockReader->ReadInt(4);
            $string = $blockReader->Read($stringLength);
            $this->tags[$name] = $string;
        }
    }
}
?>