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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * CSVelte: Slender, elegant CSV for PHP.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Inspired by Python's CSV module and Frictionless Data and the W3C's CSV  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * standardization efforts, CSVelte was written in an effort to take all the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * suck out of working with CSV.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version   v0.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2016 Luke Visinoni <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Luke Visinoni <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   https://github.com/deni-zen/csvelte/blob/master/LICENSE The MIT License (MIT)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace CSVelte\Traits;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use CSVelte\Exception\IOException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * IO IsWritable Trait.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Write methods shared between CSVelte\IO classes.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package    CSVelte  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @subpackage CSVelte\Traits  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright  (c) 2016, Luke Visinoni <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author     Luke Visinoni <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since      v0.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                trait IsWritable  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Write single line to file/stream  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Writes a line to the file/stream (if it is writable)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $line The line to be written to the stream  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @param string $eol The end of line string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return int The number of bytes written to the stream  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws CSVelte\Exception\IOException  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    public function writeLine($line, $eol = PHP_EOL)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return $this->write($line . $eol);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * Assert that this file/stream object is readable.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                     * @throws CSVelte\Exception\IOException if stream isn't readable  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                     */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    protected function assertIsWritable()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if (!$this->isWritable()) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                            throw new IOException("Stream not writable: " . $this->getName(), IOException::ERR_NOT_WRITABLE); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract public function getName();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract public function isWritable();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    abstract public function write($str);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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