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by Scott
02:48
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Help::run()   A

↳ Parent: Help

Complexity

Conditions 2
Paths 2

Size

Total Lines 11
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 8
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 11
ccs 8
cts 8
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 8
nc 2
nop 1
crap 2
1 
<?php
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namespace Desmond\functions\core;
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use Desmond\functions\DesmondFunction;
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use Desmond\ArgumentHelper;
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use Desmond\functions\DocLibrary;
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use Desmond\data_types\StringType;
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use Desmond\exceptions\ArgumentException;
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class Help extends DesmondFunction

            


            
                                                                                                            
                            
            
                                    
            
            

                
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{

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    use ArgumentHelper;

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    public function id()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return 'help';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    public function run(array $args)

            


            
                                                                        
                            
            
                                    
            
            

                
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    {

            


            
                                                                        
                            
            
                                    
            
            

                
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        $this->expectFunction($args);

            


            
                                                                        
                            
            
                                    
            
            

                
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        $library = new DocLibrary();

            


            
                                                                        
                            
            
                                    
            
            

                
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        $library->index();

            


            
                                                                        
                            
            
                                    
            
            

                
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        if (!isset($library->library()[$args[0]->value()])) {

            


            
                                                                        
                            
            
                                    
            
            

                
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            throw new ArgumentException('"help": Function "' . $args[0]->value() . '" not found.');

            


            
                                                                        
                            
            
                                    
            
            

                
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        }

            


            
                                                                        
                            
            
                                    
            
            

                
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        $doc = $library->library()[$args[0]->value()];

            


            
                                                                        
                            
            
                                    
            
            

                
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        return self::formatHelpText($doc);

            


            
                                                                        
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private function expectFunction($args)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $this->expectArguments(

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            'help',

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            [0 => ['String']],

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $args

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        );

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    private static function formatHelpText($doc)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $help = '';

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $help .= $doc->synopsis() . "\n";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $help .= "Usage: {$doc->usage()}\n";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        $help .= "Examples:\n";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        foreach ($doc->examples() as $example) {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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            $help .= "\t$example\n";

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        }

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        return new StringType($help);

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    }

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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}

            


            
                                                        
            
                                    
            
            

                
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