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Source for file ConcatenationSpacingSniff.php

Documentation is available at ConcatenationSpacingSniff.php

  1. <?php
  2. /**
  3.  * Makes sure there are no spaces around the concatenation operator.
  4.  *
  5.  * @author    Greg Sherwood <gsherwood@squiz.net>
  6.  * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
  7.  * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
  8.  */
  9.  
  10. namespace PHP_CodeSniffer\Standards\Squiz\Sniffs\Strings;
  11.  
  12. use PHP_CodeSniffer\Sniffs\Sniff;
  13. use PHP_CodeSniffer\Files\File;
  14. use PHP_CodeSniffer\Util\Tokens;
  15.  
  16. class ConcatenationSpacingSniff implements Sniff
  17. {
  18.  
  19.     /**
  20.      * The number of spaces before and after a string concat.
  21.      *
  22.      * @var integer 
  23.      */
  24.     public $spacing = 0;
  25.  
  26.     /**
  27.      * Allow newlines instead of spaces.
  28.      *
  29.      * @var boolean 
  30.      */
  31.     public $ignoreNewlines = false;
  32.  
  33.  
  34.     /**
  35.      * Returns an array of tokens this test wants to listen for.
  36.      *
  37.      * @return array 
  38.      */
  39.     public function register()
  40.     {
  41.         return array(T_STRING_CONCAT);
  42.  
  43.     }//end register()
  44.  
  45.  
  46.     /**
  47.      * Processes this test, when one of its tokens is encountered.
  48.      *
  49.      * @param \PHP_CodeSniffer\Files\File $phpcsFile The file being scanned.
  50.      * @param int                         $stackPtr  The position of the current token in the
  51.      *                                                stack passed in $tokens.
  52.      *
  53.      * @return void 
  54.      */
  55.     public function process(File $phpcsFile$stackPtr)
  56.     {
  57.         $tokens $phpcsFile->getTokens();
  58.  
  59.         $ignoreBefore = false;
  60.         $prev         $phpcsFile->findPrevious(Tokens::$emptyTokens($stackPtr - 1)nulltrue);
  61.         if ($tokens[$prev]['code'=== T_END_HEREDOC || $tokens[$prev]['code'=== T_END_NOWDOC{
  62.             // Spacing before must be preserved due to the here/nowdoc closing tag.
  63.             $ignoreBefore = true;
  64.         }
  65.  
  66.         $this->spacing = (int) $this->spacing;
  67.  
  68.         if ($ignoreBefore === false{
  69.             if ($tokens[($stackPtr - 1)]['code'!== T_WHITESPACE{
  70.                 $before = 0;
  71.             else {
  72.                 if ($tokens[($stackPtr - 2)]['line'!== $tokens[$stackPtr]['line']{
  73.                     $before 'newline';
  74.                 else {
  75.                     $before $tokens[($stackPtr - 1)]['length'];
  76.                 }
  77.             }
  78.  
  79.             $phpcsFile->recordMetric($stackPtr'Spacing before string concat'$before);
  80.         }
  81.  
  82.         if ($tokens[($stackPtr + 1)]['code'!== T_WHITESPACE{
  83.             $after = 0;
  84.         else {
  85.             if ($tokens[($stackPtr + 2)]['line'!== $tokens[$stackPtr]['line']{
  86.                 $after 'newline';
  87.             else {
  88.                 $after $tokens[($stackPtr + 1)]['length'];
  89.             }
  90.         }
  91.  
  92.         $phpcsFile->recordMetric($stackPtr'Spacing after string concat'$after);
  93.  
  94.         if (($ignoreBefore === true
  95.             || $before === $this->spacing
  96.             || ($before === 'newline'
  97.             && $this->ignoreNewlines === true))
  98.             && ($after === $this->spacing
  99.             || ($after === 'newline'
  100.             && $this->ignoreNewlines === true))
  101.         {
  102.             return;
  103.         }
  104.  
  105.         if ($this->spacing === 0{
  106.             $message 'Concat operator must not be surrounded by spaces';
  107.             $data    = array();
  108.         else {
  109.             if ($this->spacing > 1{
  110.                 $message 'Concat operator must be surrounded by %s spaces';
  111.             else {
  112.                 $message 'Concat operator must be surrounded by a single space';
  113.             }
  114.  
  115.             $data = array($this->spacing);
  116.         }
  117.  
  118.         $fix $phpcsFile->addFixableError($message$stackPtr'PaddingFound'$data);
  119.  
  120.         if ($fix === true{
  121.             $padding str_repeat(' '$this->spacing);
  122.             if ($ignoreBefore === false && ($before !== 'newline' || $this->ignoreNewlines === false)) {
  123.                 if ($tokens[($stackPtr - 1)]['code'=== T_WHITESPACE{
  124.                     $phpcsFile->fixer->beginChangeset();
  125.                     $phpcsFile->fixer->replaceToken(($stackPtr - 1)$padding);
  126.                     if ($this->spacing === 0
  127.                         && ($tokens[($stackPtr - 2)]['code'=== T_LNUMBER
  128.                         || $tokens[($stackPtr - 2)]['code'=== T_DNUMBER)
  129.                     {
  130.                         $phpcsFile->fixer->replaceToken(($stackPtr - 2)'('.$tokens[($stackPtr - 2)]['content'].')');
  131.                     }
  132.  
  133.                     $phpcsFile->fixer->endChangeset();
  134.                 else if ($this->spacing > 0{
  135.                     $phpcsFile->fixer->addContent(($stackPtr - 1)$padding);
  136.                 }
  137.             }
  138.  
  139.             if ($after !== 'newline' || $this->ignoreNewlines === false{
  140.                 if ($tokens[($stackPtr + 1)]['code'=== T_WHITESPACE{
  141.                     $phpcsFile->fixer->beginChangeset();
  142.                     $phpcsFile->fixer->replaceToken(($stackPtr + 1)$padding);
  143.                     if ($this->spacing === 0
  144.                         && ($tokens[($stackPtr + 2)]['code'=== T_LNUMBER
  145.                         || $tokens[($stackPtr + 2)]['code'=== T_DNUMBER)
  146.                     {
  147.                         $phpcsFile->fixer->replaceToken(($stackPtr + 2)'('.$tokens[($stackPtr + 2)]['content'].')');
  148.                     }
  149.  
  150.                     $phpcsFile->fixer->endChangeset();
  151.                 else if ($this->spacing > 0{
  152.                     $phpcsFile->fixer->addContent($stackPtr$padding);
  153.                 }
  154.             }
  155.         }//end if
  156.  
  157.     }//end process()
  158.  
  159.  
  160. }//end class

Documentation generated on Mon, 11 Mar 2019 15:27:19 -0400 by phpDocumentor 1.4.4. PEAR Logo Copyright © PHP Group 2004.