awk.php

abstract class Awk extends CComponent
{

    public $filename;
    public $fieldSeparator = ';';
    
    protected $data = array();
    protected $cntRows = 0;
    
    abstract public function rules();
    
    public function begin()
    {
        
    }
    
    public function end()
    {
        
    }

    public function run()
    {
        $rules = $this->rules();
        
        $this->begin();
        
        $file_handle = fopen($this->filename, "r");
        if (!$file_handle) {
            die("Can't open file.\n");
        }
        
        while (!feof($file_handle)) {
            $line = fgets($file_handle);
            if ($line) {
                $this->cntRows++;
                $this->data = explode($this->fieldSeparator, $line);
                array_unshift($this->data, $line);
                foreach ($rules as $rule) {
                    call_user_method($rule, $this);
                }
            }
        }
        
        fclose($file_handle);
        
        $this->end();
    }

}

class AwkSample01 extends Awk
{
    protected $firstnames;
    protected $lastnames;
    
    public function rules()
    {
        return array(
            'action1',
            'action2'
        );
    }
    
    public function begin()
    {
        $this->firstnames = array();
        $this->lastnames = array();
    }

    public function action1()
    {
        $this->firstnames[] = $this->data[3];
    }

    public function action2()
    {
        $this->lastnames[] = $this->data[4];
    }

    public function end()
    {
        var_dump($this->firstnames, $this->lastnames);
        echo $this->cntRows . PHP_EOL;
    }

}

public function actionTest()
    {
        $component = Yii::createComponent(array(
            'class' => 'AwkSample01',
            'filename' => 'data/test.csv' 
        ));
        
        $component->run();
    }