Viewing file:  UpperCaseConstantNameSniff.php (6.88 KB) -rw-rw-rw-
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<?php
/**
* Generic_Sniffs_NamingConventions_UpperCaseConstantNameSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* Generic_Sniffs_NamingConventions_UpperCaseConstantNameSniff.
*
* Ensures that constant names are all uppercase.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.3.3
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Generic_Sniffs_NamingConventions_UpperCaseConstantNameSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(T_STRING);
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
* @param int $stackPtr The position of the current token in the
* stack passed in $tokens.
*
* @return void
*/
public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
{
$tokens = $phpcsFile->getTokens();
$constName = $tokens[$stackPtr]['content'];
// If this token is in a heredoc, ignore it.
if ($phpcsFile->hasCondition($stackPtr, T_START_HEREDOC) === true) {
return;
}
// Special case for PHPUnit.
if ($constName === 'PHPUnit_MAIN_METHOD') {
return;
}
// If the next non-whitespace token after this token
// is not an opening parenthesis then it is not a function call.
$openBracket = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
if ($tokens[$openBracket]['code'] !== T_OPEN_PARENTHESIS) {
$functionKeyword = $phpcsFile->findPrevious(array(T_WHITESPACE, T_COMMA, T_COMMENT, T_STRING, T_NS_SEPARATOR), ($stackPtr - 1), null, true);
$declarations = array(
T_FUNCTION,
T_CLASS,
T_INTERFACE,
T_IMPLEMENTS,
T_EXTENDS,
T_INSTANCEOF,
T_NEW,
T_NAMESPACE,
T_USE,
T_AS,
);
if (in_array($tokens[$functionKeyword]['code'], $declarations) === true) {
// This is just a declaration; no constants here.
return;
}
if ($tokens[$functionKeyword]['code'] === T_CONST) {
// This is a class constant.
if (strtoupper($constName) !== $constName) {
$error = 'Class constants must be uppercase; expected %s but found %s';
$data = array(
strtoupper($constName),
$constName,
);
$phpcsFile->addError($error, $stackPtr, 'ClassConstantNotUpperCase', $data);
}
return;
}
// Is this a class name?
$nextPtr = $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
if ($tokens[$nextPtr]['code'] === T_DOUBLE_COLON) {
return;
}
// Is this a namespace name?
if ($tokens[$nextPtr]['code'] === T_NS_SEPARATOR) {
return;
}
// Is this a type hint?
if ($tokens[$nextPtr]['code'] === T_VARIABLE
|| $phpcsFile->isReference($nextPtr) === true
) {
return;
}
// Is this a member var name?
$prevPtr = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
if ($tokens[$prevPtr]['code'] === T_OBJECT_OPERATOR) {
return;
}
// Is this a namespace name?
if ($tokens[$prevPtr]['code'] === T_NS_SEPARATOR) {
return;
}
// Is this an instance of declare()
$prevPtr = $phpcsFile->findPrevious(array(T_WHITESPACE, T_OPEN_PARENTHESIS), ($stackPtr - 1), null, true);
if ($tokens[$prevPtr]['code'] === T_DECLARE) {
return;
}
// This is a real constant.
if (strtoupper($constName) !== $constName) {
$error = 'Constants must be uppercase; expected %s but found %s';
$data = array(
strtoupper($constName),
$constName,
);
$phpcsFile->addError($error, $stackPtr, 'ConstantNotUpperCase', $data);
}
} else if (strtolower($constName) === 'define' || strtolower($constName) === 'constant') {
/*
This may be a "define" or "constant" function call.
*/
// Make sure this is not a method call.
$prev = $phpcsFile->findPrevious(T_WHITESPACE, ($stackPtr - 1), null, true);
if ($tokens[$prev]['code'] === T_OBJECT_OPERATOR
|| $tokens[$prev]['code'] === T_DOUBLE_COLON
) {
return;
}
// The next non-whitespace token must be the constant name.
$constPtr = $phpcsFile->findNext(T_WHITESPACE, ($openBracket + 1), null, true);
if ($tokens[$constPtr]['code'] !== T_CONSTANT_ENCAPSED_STRING) {
return;
}
$constName = $tokens[$constPtr]['content'];
// Check for constants like self::CONSTANT.
$prefix = '';
$splitPos = strpos($constName, '::');
if ($splitPos !== false) {
$prefix = substr($constName, 0, ($splitPos + 2));
$constName = substr($constName, ($splitPos + 2));
}
if (strtoupper($constName) !== $constName) {
$error = 'Constants must be uppercase; expected %s but found %s';
$data = array(
$prefix.strtoupper($constName),
$prefix.$constName,
);
$phpcsFile->addError($error, $stackPtr, 'ConstantNotUpperCase', $data);
}
}//end if
}//end process()
}//end class
?>
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