<commit_before><?php

class GraphViz{
    private $graph;
    private $attributes = array();
    
    /**
     * file output format to use
     * 
     * @var string
     * @see GraphViz::setFormat()
     */
    private $format = 'png';
    
    const EOL = PHP_EOL;
    
	public function __construct(Graph $graphToPlot){
		$this->graph = $graphToPlot;
	}
	
	/**
	 * set graph image output format
	 * 
	 * @param string $format png, svg, ps2, etc. (see 'man dot' for details on parameter '-T') 
	 * @return GraphViz $this (chainable)
	 */
	public function setFormat($format){
	    $this->format = $format;
	    return $this;
	}
	
	/**
	 * create and display image for this graph
	 * 
	 * @return void
	 * @uses GraphViz::createImageFile()
	 */
	public function display(){
        //echo "Generate picture ...";
        $tmp = $this->createImageFile();
        
        static $next = 0;
        if($next > microtime(true)){
            echo '[delay flooding xdg-open]'; // wait some time between calling xdg-open because earlier calls will be ignored otherwise
            sleep(1);
        }
        exec('xdg-open '.escapeshellarg($tmp).' > /dev/null 2>&1 &'); // open image in background (redirect stdout to /dev/null, sterr to stdout and run in background)
        $next = microtime(true) + 1.0;
        //echo "... done\n";
	}
	
	public function setAttribute($where,$name,$value=NULL){
	    if($where === 'vertex'){
	        $where = 'node';
	    }
	    if(is_array($name)){
	        foreach($name as $name=>$value){
	            $this->attributes[$where][$name] = $value;
	        }
	        return $this;
	    }
	    $this->attributes[$where][$name] = $value;
	    return $this;
	}
	
	/**
	 * create base64-encoded image src target data to be used for html images
	 * 
	 * @return string
	 * @uses GraphViz::createImageFile()
	 */
	public function createImageSrc(){
	    $file = $this->createImageFile();
	    $base = base64_encode(file_get_contents($file));
	    unlink($file);
	    return 'data:image/png;base64,'.$base;
	}
	
	/**
	 * create image html code for this graph
	 * 
	 * @return string
	 * @uses GraphViz::createImageSrc()
	 */
	public function createImageHtml(){
	    return '<img src="'.$this->createImageSrc().'" />';
	}
	
	/**
	 * create image file for this graph
	 * 
	 * @return string filename
	 * @throws Exception on error
	 * @uses GraphViz::createScript()
	 */
	public function createImageFile(){
        $script = $this->createScript();
	    //var_dump($script);
	    
	    $tmp = tempnam('/tmp','graphviz');
	    if($tmp === false){<commit_msg>Use proper output format for base64 output<commit_after><?php

class GraphViz{
    private $graph;
    private $attributes = array();
    
    /**
     * file output format to use
     * 
     * @var string
     * @see GraphViz::setFormat()
     */
    private $format = 'png';
    
    const EOL = PHP_EOL;
    
	public function __construct(Graph $graphToPlot){
		$this->graph = $graphToPlot;
	}
	
	/**
	 * set graph image output format
	 * 
	 * @param string $format png, svg, ps2, etc. (see 'man dot' for details on parameter '-T') 
	 * @return GraphViz $this (chainable)
	 */
	public function setFormat($format){
	    $this->format = $format;
	    return $this;
	}
	
	/**
	 * create and display image for this graph
	 * 
	 * @return void
	 * @uses GraphViz::createImageFile()
	 */
	public function display(){
        //echo "Generate picture ...";
        $tmp = $this->createImageFile();
        
        static $next = 0;
        if($next > microtime(true)){
            echo '[delay flooding xdg-open]'; // wait some time between calling xdg-open because earlier calls will be ignored otherwise
            sleep(1);
        }
        exec('xdg-open '.escapeshellarg($tmp).' > /dev/null 2>&1 &'); // open image in background (redirect stdout to /dev/null, sterr to stdout and run in background)
        $next = microtime(true) + 1.0;
        //echo "... done\n";
	}
	
	public function setAttribute($where,$name,$value=NULL){
	    if($where === 'vertex'){
	        $where = 'node';
	    }
	    if(is_array($name)){
	        foreach($name as $name=>$value){
	            $this->attributes[$where][$name] = $value;
	        }
	        return $this;
	    }
	    $this->attributes[$where][$name] = $value;
	    return $this;
	}
	
	/**
	 * create base64-encoded image src target data to be used for html images
	 * 
	 * @return string
	 * @uses GraphViz::createImageData()
	 */
	public function createImageSrc(){
	    $format = ($this->format === 'svg' || $this->format === 'svgz') ? 'svg+xml' : $this->format;
	    return 'data:image/'.$format.';base64,'.base64_encode($this->createImageData());
	}
	
	/**
	 * create image html code for this graph
	 * 
	 * @return string
	 * @uses GraphViz::createImageSrc()
	 */
	public function createImageHtml(){
	    if($this->format === 'svg' || $this->format === 'svgz'){
	        return '<object type="image/svg+xml" data="'.$this->createImageSrc().'"></object>';
	    }
	    return '<img src="'.$this->createImageSrc().'" />';
	}
	
	/**
	 * create image file data contents for this graph
	 * 
	 * @return string
	 * @uses GraphViz::createImageFile()
	 */
	public function createImageData(){
	    $file = $this->createImageFile();
	    $data = file_get_contents($file);
	    unlink($file);
	    return $data;
	}
	
	/**
	 * create image file for this graph
	 * 
	 * @return string filename
	 * @throws Exception on error
	 * @uses GraphViz::createScript()
	 */
	public function createImageFile(){
        $script = $this->createScript();
	    //var_dump($script);
	    
	    $tmp = tempnam('/tmp','graphviz');
	    if($tmp === false){
{'fraction_non_alphanumeric': 0.15779232266053422, 'fraction_numerical': 0.004953122235980895, 'mean_word_length': 2.5739570164348926, 'pattern_counts': {'":': 0, '<': 9, '<?xml version=': 0, '>': 38, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 2}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1018960', 'n_tokens_mistral': 1871, 'n_tokens_neox': 1696, 'n_words': 463}