File class\libraries\vendor\kint-php\kint\src\Utils.php

1:	<?php
2:
3:	/*
4:	* The MIT License (MIT)
5:	*
6:	* Copyright (c) 2013 Jonathan Vollebregt (jnvsor@gmail.com), Rokas Šleinius (raveren@gmail.com)
7:	*
8:	* Permission is hereby granted, free of charge, to any person obtaining a copy of
9:	* this software and associated documentation files (the "Software"), to deal in
10:	* the Software without restriction, including without limitation the rights to
11:	* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
12:	* the Software, and to permit persons to whom the Software is furnished to do so,
13:	* subject to the following conditions:
14:	*
15:	* The above copyright notice and this permission notice shall be included in all
16:	* copies or substantial portions of the Software.
17:	*
18:	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19:	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
20:	* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
21:	* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
22:	* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23:	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24:	*/
25:
26:	namespace Kint;
27:
28:	use InvalidArgumentException;
29:	use Kint\Object\BlobObject;
30:	use ReflectionNamedType;
31:	use ReflectionType;
32:
33:	/**
34:	* A collection of utility methods. Should all be static methods with no dependencies.
35:	*/
36:	final class Utils
37:	{
38:	/**
39:	* @codeCoverageIgnore
40:	*/
41:	private function __construct()
42:	{
43:	}
44:
45:	/**
46:	* Turns a byte value into a human-readable representation.
47:	*
48:	* @param int $value Amount of bytes
49:	*
50:	* @return array Human readable value and unit
51:	*/
52:	public static function getHumanReadableBytes($value)
53:	{
54:	static $unit = array('B', 'KB', 'MB', 'GB', 'TB');
55:
56:	$i = \floor(\log($value, 1024));
57:	$i = \min($i, 4); // Only go up to TB
58:
59:	return array(
60:	'value' => (float) ($value / \pow(1024, $i)),
61:	'unit' => $unit[$i],
62:	);
63:	}
64:
65:	public static function isSequential(array $array)
66:	{
67:	return \array_keys($array) === \range(0, \count($array) - 1);
68:	}
69:
70:	public static function composerGetExtras($key = 'kint')
71:	{
72:	$extras = array();
73:
74:	if (0 === \strpos(KINT_DIR, 'phar://')) {
75:	// Only run inside phar file, so skip for code coverage
76:	return $extras; // @codeCoverageIgnore
77:	}
78:
79:	$folder = KINT_DIR.'/vendor';
80:
81:	for ($i = 0; $i < 4; ++$i) {
82:	$installed = $folder.'/composer/installed.json';
83:
84:	if (\file_exists($installed) && \is_readable($installed)) {
85:	$packages = \json_decode(\file_get_contents($installed), true);
86:
87:	foreach ($packages as $package) {
88:	if (isset($package['extra'][$key]) && \is_array($package['extra'][$key])) {
89:	$extras = \array_replace($extras, $package['extra'][$key]);
90:	}
91:	}
92:
93:	$folder = \dirname($folder);
94:
95:	if (\file_exists($folder.'/composer.json') && \is_readable($folder.'/composer.json')) {
96:	$composer = \json_decode(\file_get_contents($folder.'/composer.json'), true);
97:
98:	if (isset($composer['extra'][$key]) && \is_array($composer['extra'][$key])) {
99:	$extras = \array_replace($extras, $composer['extra'][$key]);
100:	}
101:	}
102:
103:	break;
104:	}
105:
106:	$folder = \dirname($folder);
107:	}
108:
109:	return $extras;
110:	}
111:
112:	/**
113:	* @codeCoverageIgnore
114:	*/
115:	public static function composerSkipFlags()
116:	{
117:	$extras = self::composerGetExtras();
118:
119:	if (!empty($extras['disable-facade']) && !\defined('KINT_SKIP_FACADE')) {
120:	\define('KINT_SKIP_FACADE', true);
121:	}
122:
123:	if (!empty($extras['disable-helpers']) && !\defined('KINT_SKIP_HELPERS')) {
124:	\define('KINT_SKIP_HELPERS', true);
125:	}
126:	}
127:
128:	public static function isTrace(array $trace)
129:	{
130:	if (!self::isSequential($trace)) {
131:	return false;
132:	}
133:
134:	static $bt_structure = array(
135:	'function' => 'string',
136:	'line' => 'integer',
137:	'file' => 'string',
138:	'class' => 'string',
139:	'object' => 'object',
140:	'type' => 'string',
141:	'args' => 'array',
142:	);
143:
144:	$file_found = false;
145:
146:	foreach ($trace as $frame) {
147:	if (!\is_array($frame) \|\| !isset($frame['function'])) {
148:	return false;
149:	}
150:
151:	foreach ($frame as $key => $val) {
152:	if (!isset($bt_structure[$key])) {
153:	return false;
154:	}
155:
156:	if (\gettype($val) !== $bt_structure[$key]) {
157:	return false;
158:	}
159:
160:	if ('file' === $key) {
161:	$file_found = true;
162:	}
163:	}
164:	}
165:
166:	return $file_found;
167:	}
168:
169:	public static function traceFrameIsListed(array $frame, array $matches)
170:	{
171:	if (isset($frame['class'])) {
172:	$called = array(\strtolower($frame['class']), \strtolower($frame['function']));
173:	} else {
174:	$called = \strtolower($frame['function']);
175:	}
176:
177:	return \in_array($called, $matches, true);
178:	}
179:
180:	public static function normalizeAliases(array &$aliases)
181:	{
182:	static $name_regex = '[a-zA-Z_\\x7f-\\xff][a-zA-Z0-9_\\x7f-\\xff]*';
183:
184:	foreach ($aliases as $index => &$alias) {
185:	if (\is_array($alias) && 2 === \count($alias)) {
186:	$alias = \array_values(\array_filter($alias, 'is_string'));
187:
188:	if (2 === \count($alias) &&
189:	\preg_match('/^'.$name_regex.'$/', $alias[1]) &&
190:	\preg_match('/^\\\\?('.$name_regex.'\\\\)*'.$name_regex.'$/', $alias[0])
191:	) {
192:	$alias = array(
193:	\strtolower(\ltrim($alias[0], '\\')),
194:	\strtolower($alias[1]),
195:	);
196:	} else {
197:	unset($aliases[$index]);
198:	continue;
199:	}
200:	} elseif (\is_string($alias)) {
201:	if (\preg_match('/^\\\\?('.$name_regex.'\\\\)*'.$name_regex.'$/', $alias)) {
202:	$alias = \explode('\\', \strtolower($alias));
203:	$alias = \end($alias);
204:	} else {
205:	unset($aliases[$index]);
206:	continue;
207:	}
208:	} else {
209:	unset($aliases[$index]);
210:	}
211:	}
212:
213:	$aliases = \array_values($aliases);
214:	}
215:
216:	public static function truncateString($input, $length = PHP_INT_MAX, $end = '...', $encoding = false)
217:	{
218:	$length = (int) $length;
219:	$endlength = BlobObject::strlen($end);
220:
221:	if ($endlength >= $length) {
222:	throw new InvalidArgumentException('Can\'t truncate a string to '.$length.' characters if ending with string '.$endlength.' characters long');
223:	}
224:
225:	if (BlobObject::strlen($input, $encoding) > $length) {
226:	return BlobObject::substr($input, 0, $length - $endlength, $encoding).$end;
227:	}
228:
229:	return $input;
230:	}
231:
232:	public static function getTypeString(ReflectionType $type)
233:	{
234:	if ($type instanceof ReflectionNamedType) {
235:	return $type->getName();
236:	}
237:
238:	return (string) $type; // @codeCoverageIgnore
239:	}
240:	}
241:

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