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<?php
/**
* PEAR_Sniffs_Files_IncludingFileSniff.
*
* 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: IncludingFileSniff.php,v 1.5 2007/10/22 23:11:56 squiz Exp $
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
/**
* PEAR_Sniffs_Files_IncludingFileSniff.
*
* Checks that the include_once is used in conditional situations, and
* require_once is used elsewhere. Also checks that brackets do not surround
* the file being included.
*
* @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: 1.1.0
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class Toba_Sniffs_Files_IncludingFileSniff implements PHP_CodeSniffer_Sniff
{
/**
* Conditions that should use include_once
*
* @var array(int)
*/
private static $_conditions = array(
T_IF,
T_ELSE,
T_ELSEIF,
T_SWITCH,
);
/**
* Returns an array of tokens this test wants to listen for.
*
* @return array
*/
public function register()
{
return array(
T_INCLUDE_ONCE,
T_REQUIRE_ONCE,
T_REQUIRE,
T_INCLUDE,
);
}//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();
$nextToken = $phpcsFile->findNext(PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr + 1), null, true);
/*if ($tokens[$nextToken]['code'] === T_OPEN_PARENTHESIS) {
$error = '"'.$tokens[$stackPtr]['content'].'"';
$error .= ' is a statement, not a function; ';
$error .= 'no parentheses are required';
$phpcsFile->addError($error, $stackPtr);
}*/
$inCondition = (count($tokens[$stackPtr]['conditions']) !== 0) ? true : false;
// Check to see if this including statement is within the parenthesis of a condition.
// If that's the case then we need to process it as being within a condition, as they
// are checking the return value.
if (isset($tokens[$stackPtr]['nested_parenthesis']) === true) {
foreach ($tokens[$stackPtr]['nested_parenthesis'] as $left => $right) {
if (isset($tokens[$left]['parenthesis_owner']) === true) {
$inCondition = true;
}
}
}
// Check to see if they are assigning the return value of this including call.
// If they are then they are probably checking it, so its conditional.
$previous = $phpcsFile->findPrevious(PHP_CodeSniffer_Tokens::$emptyTokens, ($stackPtr - 1), null, true);
if (in_array($tokens[$previous]['code'], PHP_CodeSniffer_Tokens::$assignmentTokens) === true) {
// The have assigned the return value to it, so its conditional.
$inCondition = true;
}
$tokenCode = $tokens[$stackPtr]['code'];
if ($inCondition === true) {
// We are inside a conditional statement. We need an include_once.
if ($tokenCode === T_REQUIRE_ONCE) {
$error = 'File is being conditionally included; ';
$error .= 'use "include_once" instead';
$phpcsFile->addError($error, $stackPtr);
} else if ($tokenCode === T_REQUIRE) {
$error = 'File is being conditionally included; ';
$error .= 'use "include" instead';
$phpcsFile->addError($error, $stackPtr);
}
} else {
// We are unconditionally including, we need a require_once.
if ($tokenCode === T_INCLUDE_ONCE) {
$error = 'File is being unconditionally included; ';
$error .= 'use "require_once" instead';
$phpcsFile->addError($error, $stackPtr);
} else if ($tokenCode === T_INCLUDE) {
$error = 'File is being unconditionally included; ';
$error .= 'use "require" instead';
$phpcsFile->addError($error, $stackPtr);
}
}//end if
}//end process()
}//end class
?>
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