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<?php
/**
* PEAR_Sniffs_NamingConventions_ValidClassNameSniff.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version CVS: $Id: ValidClassNameSniff.php,v 1.10 2008/04/28 01:02:28 squiz Exp $
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* PEAR_Sniffs_NamingConventions_ValidClassNameSniff.
*
* Ensures class and interface names start with a capital letter
* and use _ separators.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.2.0RC1
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class PEAR_Sniffs_NamingConventions_ValidClassNameSniff implements PHP_CodeSniffer_Sniff
{
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_CLASS,
T_INTERFACE,
);
}//end register()
/**
* Processes this test, when one of its tokens is encountered.
*
* @param PHP_CodeSniffer_File $phpcsFile The current file being processed.
* @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();
$className = $phpcsFile->findNext(T_STRING, $stackPtr);
$name = trim($tokens[$className]['content']);
// Make sure the first letter is a capital.
if (preg_match('|^[A-Z]|', $name) === 0) {
$error = ucfirst($tokens[$stackPtr]['content']).' name must begin with a capital letter';
$phpcsFile->addError($error, $stackPtr);
}
// Check that each new word starts with a capital as well, but don't
// check the first word, as it is checked above.
$validName = true;
$nameBits = explode('_', $name);
$firstBit = array_shift($nameBits);
foreach ($nameBits as $bit) {
if ($bit === '' || $bit{0} !== strtoupper($bit{0})) {
$validName = false;
break;
}
}
if ($validName !== true) {
// Strip underscores because they cause the suggested name
// to be incorrect.
$nameBits = explode('_', trim($name, '_'));
$firstBit = array_shift($nameBits);
if ($firstBit === '') {
$error = ucfirst($tokens[$stackPtr]['content']).' name is not valid';
} else {
$newName = strtoupper($firstBit{0}).substr($firstBit, 1).'_';
foreach ($nameBits as $bit) {
if ($bit !== '') {
$newName .= strtoupper($bit{0}).substr($bit, 1).'_';
}
}
$newName = rtrim($newName, '_');
$error = ucfirst($tokens[$stackPtr]['content'])." name is not valid; consider $newName instead";
}
$phpcsFile->addError($error, $stackPtr);
}//end if
}//end process()
}//end class
?>