public function Drupal_Sniffs_Strings_UnnecessaryStringConcatSniff::process in Coder 7.2
Processes this sniff, when one of its tokens is encountered.
Parameters
PHP_CodeSniffer_File $phpcsFile The file being scanned.:
int $stackPtr The position of the current token: in the stack passed in $tokens.
Return value
void
File
- coder_sniffer/
Drupal/ Sniffs/ Strings/ UnnecessaryStringConcatSniff.php, line 43
Class
- Drupal_Sniffs_Strings_UnnecessaryStringConcatSniff
- Generic_Sniffs_Strings_UnnecessaryStringConcatSniff.
Code
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr) {
// Work out which type of file this is for.
$tokens = $phpcsFile
->getTokens();
if ($tokens[$stackPtr]['code'] === T_STRING_CONCAT) {
if ($phpcsFile->tokenizerType === 'JS') {
return;
}
}
else {
if ($phpcsFile->tokenizerType === 'PHP') {
return;
}
}
$prev = $phpcsFile
->findPrevious(T_WHITESPACE, $stackPtr - 1, null, true);
$next = $phpcsFile
->findNext(T_WHITESPACE, $stackPtr + 1, null, true);
if ($prev === false || $next === false) {
return;
}
$stringTokens = PHP_CodeSniffer_Tokens::$stringTokens;
if (in_array($tokens[$prev]['code'], $stringTokens) === true && in_array($tokens[$next]['code'], $stringTokens) === true) {
if ($tokens[$prev]['content'][0] === $tokens[$next]['content'][0]) {
// Before we throw an error for PHP, allow strings to be
// combined if they would have < and ? next to each other because
// this trick is sometimes required in PHP strings.
if ($phpcsFile->tokenizerType === 'PHP') {
$prevChar = substr($tokens[$prev]['content'], -2, 1);
$nextChar = $tokens[$next]['content'][1];
$combined = $prevChar . $nextChar;
if ($combined === '?' . '>' || $combined === '<' . '?') {
return;
}
}
// Before we throw an error check if the string is longer than
// the line length limit.
$lineLengthLimitSniff = new Drupal_Sniffs_Files_LineLengthSniff();
$lineLenght = $lineLengthLimitSniff
->getLineLength($phpcsFile, $tokens[$prev]['line']);
$stringLength = $lineLenght + strlen($tokens[$next]['content']) - 4;
if ($stringLength > $lineLengthLimitSniff->lineLimit) {
return;
}
$error = 'String concat is not required here; use a single string instead';
if ($this->error === true) {
$phpcsFile
->addError($error, $stackPtr, 'Found');
}
else {
$phpcsFile
->addWarning($error, $stackPtr, 'Found');
}
}
//end if
}
//end if
}