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<?php
/**
* PHPUnit
*
* Copyright (c) 2001-2012, 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 2001-2012 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 3.0.0
*/
/**
* Utility class for textual type (and value) representation.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2001-2012 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since Class available since Release 3.0.0
*/
class PHPUnit_Util_Type
{
public static function isType($type)
{
return in_array(
$type,
array(
'numeric',
'integer',
'int',
'float',
'string',
'boolean',
'bool',
'null',
'array',
'object',
'resource',
'scalar'
)
);
}
/**
* Exports a value into a string
*
* The output of this method is similar to the output of print_r(), but
* improved in various aspects:
*
* - NULL is rendered as "null" (instead of "")
* - TRUE is rendered as "true" (instead of "1")
* - FALSE is rendered as "false" (instead of "")
* - Strings are always quoted with single quotes
* - Carriage returns and newlines are normalized to \n
* - Recursion and repeated rendering is treated properly
*
* @param mixed $value The value to export
* @param integer $indentation The indentation level of the 2nd+ line
* @return string
* @since Method available since Release 3.6.0
*/
public static function export($value, $indentation = 0)
{
return self::recursiveExport($value, $indentation);
}
/**
* Recursive implementation of export
*
* @param mixed $value The value to export
* @param integer $indentation The indentation level of the 2nd+ line
* @param array $processedObjects Contains all objects that were already
* rendered
* @return string
* @since Method available since Release 3.6.0
* @see PHPUnit_Util_Type::export
*/
protected static function recursiveExport($value, $indentation, &$processedObjects = array())
{
if ($value === NULL) {
return 'null';
}
if ($value === TRUE) {
return 'true';
}
if ($value === FALSE) {
return 'false';
}
if (is_string($value)) {
// Match for most non printable chars somewhat taking multibyte chars into account
if (preg_match('/[^\x09-\x0d\x20-\xff]/', $value)) {
return 'Binary String: 0x' . bin2hex($value);
}
return "'" .
str_replace(array("\r\n", "\n\r", "\r"), array("\n", "\n", "\n"), $value) .
"'";
}
$origValue = $value;
if (is_object($value)) {
if (in_array($value, $processedObjects, TRUE)) {
return sprintf(
'%s Object (*RECURSION*)',
get_class($value)
);
}
$processedObjects[] = $value;
// Convert object to array
$value = self::toArray($value);
}
if (is_array($value)) {
$whitespace = str_repeat(' ', $indentation);
// There seems to be no other way to check arrays for recursion
// http://www.php.net/manual/en/language.types.array.php#73936
preg_match_all('/\n \[(\w+)\] => Array\s+\*RECURSION\*/', print_r($value, TRUE), $matches);
$recursiveKeys = array_unique($matches[1]);
// Convert to valid array keys
// Numeric integer strings are automatically converted to integers
// by PHP
foreach ($recursiveKeys as $key => $recursiveKey) {
if ((string)(integer)$recursiveKey === $recursiveKey) {
$recursiveKeys[$key] = (integer)$recursiveKey;
}
}
$content = '';
foreach ($value as $key => $val) {
if (in_array($key, $recursiveKeys, TRUE)) {
$val = 'Array (*RECURSION*)';
}
else {
$val = self::recursiveExport($val, $indentation+1, $processedObjects);
}
$content .= $whitespace . ' ' . self::export($key) . ' => ' . $val . "\n";
}
if (strlen($content) > 0) {
$content = "\n" . $content . $whitespace;
}
return sprintf(
"%s (%s)",
is_object($origValue) ? get_class($origValue) . ' Object' : 'Array',
$content
);
}
if (is_double($value) && (double)(integer)$value === $value) {
return $value . '.0';
}
return (string)$value;
}
/**
* Exports a value into a single-line string
*
* The output of this method is similar to the output of
* PHPUnit_Util_Type::export. This method guarantees thought that the
* result contains now newlines.
*
* Newlines are replaced by the visible string '\n'. Contents of arrays
* and objects (if any) are replaced by '...'.
*
* @param mixed $value The value to export
* @param integer $indentation The indentation level of the 2nd+ line
* @return string
* @see PHPUnit_Util_Type::export
*/
public static function shortenedExport($value)
{
if (is_string($value)) {
return self::shortenedString($value);
}
$origValue = $value;
if (is_object($value)) {
$value = self::toArray($value);
}
if (is_array($value)) {
return sprintf(
"%s (%s)",
is_object($origValue) ? get_class($origValue) . ' Object' : 'Array',
count($value) > 0 ? '...' : ''
);
}
return self::export($value);
}
/**
* Shortens a string and converts all new lines to '\n'
*
* @param string $string The string to shorten
* @param integer $max The maximum length for the string
* @return string
*/
public static function shortenedString($string, $maxLength = 40)
{
$string = self::export($string);
if (strlen($string) > $maxLength) {
$string = substr($string, 0, $maxLength - 10) . '...' . substr($string, -7);
}
return str_replace("\n", '\n', $string);
}
/**
* Converts an object to an array containing all of its private, protected
* and public properties.
*
* @param object $object
* @return array
* @since Method available since Release 3.6.0
*/
public static function toArray($object)
{
$array = array();
foreach ((array)$object as $key => $value) {
// properties are transformed to keys in the following way:
// private $property => "\0Classname\0property"
// protected $property => "\0*\0property"
// public $property => "property"
if (preg_match('/^\0.+\0(.+)$/', $key, $matches)) {
$key = $matches[1];
}
$array[$key] = $value;
}
// Some internal classes like SplObjectStorage don't work with the
// above (fast) mechanism nor with reflection
// Format the output similarly to print_r() in this case
if ($object instanceof SplObjectStorage) {
foreach ($object as $key => $value) {
$array[spl_object_hash($value)] = array(
'obj' => $value,
'inf' => $object->getInfo(),
);
}
}
return $array;
}
}