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<?php
/**
* PHPUnit
*
* Copyright (c) 2002-2011, Sebastian Bergmann <sebastian@phpunit.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2002-2011 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @link http://www.phpunit.de/
* @since File available since Release 3.4.0
*/
if (!defined('T_NAMESPACE')) {
define('T_NAMESPACE', 377);
}
/**
* File helpers.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2002-2011 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 3.6.0
* @link http://www.phpunit.de/
* @since Class available since Release 3.4.0
*/
class PHPUnit_Util_File
{
/**
* @var array
*/
protected static $cache = array();
/**
* Returns information on the classes declared in a sourcefile.
*
* @param string $filename
* @return array
*/
public static function getClassesInFile($filename)
{
if (!isset(self::$cache[$filename])) {
self::$cache[$filename] = self::parseFile($filename);
}
return self::$cache[$filename];
}
/**
* Parses a file for class and method information.
*
* @param string $filename
* @return array
*/
protected static function parseFile($filename)
{
$result = array();
$tokens = token_get_all(
file_get_contents($filename)
);
$numTokens = count($tokens);
$blocks = array();
$line = 1;
$currentBlock = FALSE;
$currentNamespace = FALSE;
$currentClass = FALSE;
$currentFunction = FALSE;
$currentFunctionStartLine = FALSE;
$currentFunctionTokens = array();
$currentDocComment = FALSE;
$currentSignature = FALSE;
$currentSignatureStartToken = FALSE;
for ($i = 0; $i < $numTokens; $i++) {
if ($currentFunction !== FALSE) {
$currentFunctionTokens[] = $tokens[$i];
}
if (is_string($tokens[$i])) {
if ($tokens[$i] == '{') {
if ($currentBlock == T_CLASS) {
$block = $currentClass;
}
else if ($currentBlock == T_FUNCTION) {
$currentSignature = '';
for ($j = $currentSignatureStartToken; $j < $i; $j++) {
if (is_string($tokens[$j])) {
$currentSignature .= $tokens[$j];
} else {
$currentSignature .= $tokens[$j][1];
}
}
$currentSignature = trim($currentSignature);
$block = $currentFunction;
$currentSignatureStartToken = FALSE;
}
else {
$block = FALSE;
}
array_push($blocks, $block);
$currentBlock = FALSE;
}
else if ($tokens[$i] == '}') {
$block = array_pop($blocks);
if ($block !== FALSE && $block !== NULL) {
if ($block == $currentFunction) {
if ($currentDocComment !== FALSE) {
$docComment = $currentDocComment;
$currentDocComment = FALSE;
} else {
$docComment = '';
}
$tmp = array(
'docComment' => $docComment,
'signature' => $currentSignature,
'startLine' => $currentFunctionStartLine,
'endLine' => $line,
'tokens' => $currentFunctionTokens
);
if ($currentClass !== FALSE) {
$result[$currentClass]['methods'][$currentFunction] = $tmp;
}
$currentFunction = FALSE;
$currentFunctionStartLine = FALSE;
$currentFunctionTokens = array();
$currentSignature = FALSE;
}
else if ($block == $currentClass) {
$result[$currentClass]['endLine'] = $line;
$currentClass = FALSE;
$currentClassStartLine = FALSE;
}
}
}
continue;
}
switch ($tokens[$i][0]) {
case T_HALT_COMPILER: {
return;
}
break;
case T_NAMESPACE: {
$currentNamespace = $tokens[$i+2][1];
for ($j = $i+3; $j < $numTokens; $j += 2) {
if ($tokens[$j][0] == T_NS_SEPARATOR) {
$currentNamespace .= '\\' . $tokens[$j+1][1];
} else {
break;
}
}
}
break;
case T_CURLY_OPEN: {
$currentBlock = T_CURLY_OPEN;
array_push($blocks, $currentBlock);
}
break;
case T_DOLLAR_OPEN_CURLY_BRACES: {
$currentBlock = T_DOLLAR_OPEN_CURLY_BRACES;
array_push($blocks, $currentBlock);
}
break;
case T_CLASS: {
$currentBlock = T_CLASS;
if ($currentNamespace === FALSE) {
$currentClass = $tokens[$i+2][1];
} else {
$currentClass = $currentNamespace . '\\' .
$tokens[$i+2][1];
}
if ($currentDocComment !== FALSE) {
$docComment = $currentDocComment;
$currentDocComment = FALSE;
} else {
$docComment = '';
}
$result[$currentClass] = array(
'methods' => array(),
'docComment' => $docComment,
'startLine' => $line
);
}
break;
case T_FUNCTION: {
if (!((is_array($tokens[$i+2]) &&
$tokens[$i+2][0] == T_STRING) ||
(is_string($tokens[$i+2]) &&
$tokens[$i+2] == '&' &&
is_array($tokens[$i+3]) &&
$tokens[$i+3][0] == T_STRING))) {
continue;
}
$currentBlock = T_FUNCTION;
$currentFunctionStartLine = $line;
$done = FALSE;
$currentSignatureStartToken = $i - 1;
do {
switch ($tokens[$currentSignatureStartToken][0]) {
case T_ABSTRACT:
case T_FINAL:
case T_PRIVATE:
case T_PUBLIC:
case T_PROTECTED:
case T_STATIC:
case T_WHITESPACE: {
$currentSignatureStartToken--;
}
break;
default: {
$currentSignatureStartToken++;
$done = TRUE;
}
}
}
while (!$done);
if (isset($tokens[$i+2][1])) {
$functionName = $tokens[$i+2][1];
}
else if (isset($tokens[$i+3][1])) {
$functionName = $tokens[$i+3][1];
}
if ($currentNamespace === FALSE) {
$currentFunction = $functionName;
} else {
$currentFunction = $currentNamespace . '\\' .
$functionName;
}
}
break;
case T_DOC_COMMENT: {
$currentDocComment = $tokens[$i][1];
}
break;
}
$line += substr_count($tokens[$i][1], "\n");
}
return $result;
}
}
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