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CsvAutoDelimiterFormatFactory::guessDelimiter()   A
last analyzed

↳ Parent: CsvAutoDelimiterFormatFactory

Complexity

Conditions 2
Paths 2

Size

Total Lines 15

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 7
CRAP Score 2.0078

Importance

Changes 0
Metric Value
dl 0
loc 15
ccs 7
cts 8
cp 0.875
rs 9.7666
c 0
b 0
f 0
cc 2
nc 2
nop 1
crap 2.0078
1 
<?php
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namespace Mathielen\ImportEngine\Storage\Format\Factory;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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use Mathielen\ImportEngine\Storage\Format\CsvFormat;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class CsvAutoDelimiterFormatFactory implements FormatFactoryInterface

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    /**

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     * @return \Mathielen\ImportEngine\Storage\Format\Format

            


            
                                                                                                            
                            
            
                                    
            
            

                
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     */

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function factor($uri)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $file = new \SplFileObject($uri);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $delimiter = $this->guessDelimiter(utf8_encode($file->getCurrentLine()));

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return new CsvFormat($delimiter);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function guessDelimiter($line)

            


            
                                                        
            
                                    
            
            

                
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    {

            


            
                                                        
            
                                    
            
            

                
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        $specialCharString = preg_replace('/[a-z0-9éâëïüÿçêîôûéäöüß\n\r "]/iu', '', $line);

            


            
                                                        
            
                                    
            
            

                
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        $charStats = count_chars($specialCharString, 1);

            


            
                                                        
            
                                    
            
            

                
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        if (empty($charStats)) {

            


            
                                                        
            
                                    
            
            

                
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            throw new \LogicException('Could not discover CSV-delimiter!');

            


            
                                                        
            
                                    
            
            

                
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        }

            


            
                                                        
            
                                    
            
            

                
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        arsort($charStats);

            


            
                                                        
            
                                    
            
            

                
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        $delimiter = chr(key($charStats));

            


            
                                                        
            
                                    
            
            

                
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        return $delimiter;

            


            
                                                        
            
                                    
            
            

                
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    }

            


            
                                                        
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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