Verzeichnisstruktur phpBB-3.3.15
- Veröffentlicht
- 28.08.2024
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Dumper.php
001 <?php
002
003 /*
004 * This file is part of the Symfony package.
005 *
006 * (c) Fabien Potencier <fabien@symfony.com>
007 *
008 * For the full copyright and license information, please view the LICENSE
009 * file that was distributed with this source code.
010 */
011
012 namespace Symfony\Component\Yaml;
013
014 use Symfony\Component\Yaml\Tag\TaggedValue;
015
016 /**
017 * Dumper dumps PHP variables to YAML strings.
018 *
019 * @author Fabien Potencier <fabien@symfony.com>
020 *
021 * @final since version 3.4
022 */
023 class Dumper
024 {
025 /**
026 * The amount of spaces to use for indentation of nested nodes.
027 *
028 * @var int
029 */
030 protected $indentation;
031
032 /**
033 * @param int $indentation
034 */
035 public function __construct($indentation = 4)
036 {
037 if ($indentation < 1) {
038 throw new \InvalidArgumentException('The indentation must be greater than zero.');
039 }
040
041 $this->indentation = $indentation;
042 }
043
044 /**
045 * Sets the indentation.
046 *
047 * @param int $num The amount of spaces to use for indentation of nested nodes
048 *
049 * @deprecated since version 3.1, to be removed in 4.0. Pass the indentation to the constructor instead.
050 */
051 public function setIndentation($num)
052 {
053 @trigger_error('The '.__METHOD__.' method is deprecated since Symfony 3.1 and will be removed in 4.0. Pass the indentation to the constructor instead.', \E_USER_DEPRECATED);
054
055 $this->indentation = (int) $num;
056 }
057
058 /**
059 * Dumps a PHP value to YAML.
060 *
061 * @param mixed $input The PHP value
062 * @param int $inline The level where you switch to inline YAML
063 * @param int $indent The level of indentation (used internally)
064 * @param int $flags A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
065 *
066 * @return string The YAML representation of the PHP value
067 */
068 public function dump($input, $inline = 0, $indent = 0, $flags = 0)
069 {
070 if (\is_bool($flags)) {
071 @trigger_error('Passing a boolean flag to toggle exception handling is deprecated since Symfony 3.1 and will be removed in 4.0. Use the Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE flag instead.', \E_USER_DEPRECATED);
072
073 if ($flags) {
074 $flags = Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE;
075 } else {
076 $flags = 0;
077 }
078 }
079
080 if (\func_num_args() >= 5) {
081 @trigger_error('Passing a boolean flag to toggle object support is deprecated since Symfony 3.1 and will be removed in 4.0. Use the Yaml::DUMP_OBJECT flag instead.', \E_USER_DEPRECATED);
082
083 if (func_get_arg(4)) {
084 $flags |= Yaml::DUMP_OBJECT;
085 }
086 }
087
088 $output = '';
089 $prefix = $indent ? str_repeat(' ', $indent) : '';
090 $dumpObjectAsInlineMap = true;
091
092 if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($input instanceof \ArrayObject || $input instanceof \stdClass)) {
093 $dumpObjectAsInlineMap = empty((array) $input);
094 }
095
096 if ($inline <= 0 || (!\is_array($input) && !$input instanceof TaggedValue && $dumpObjectAsInlineMap) || empty($input)) {
097 $output .= $prefix.Inline::dump($input, $flags);
098 } else {
099 $dumpAsMap = Inline::isHash($input);
100
101 foreach ($input as $key => $value) {
102 if ($inline >= 1 && Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && \is_string($value) && false !== strpos($value, "\n") && false === strpos($value, "\r")) {
103 // If the first line starts with a space character, the spec requires a blockIndicationIndicator
104 // http://www.yaml.org/spec/1.2/spec.html#id2793979
105 $blockIndentationIndicator = (' ' === substr($value, 0, 1)) ? (string) $this->indentation : '';
106 $output .= sprintf("%s%s%s |%s\n", $prefix, $dumpAsMap ? Inline::dump($key, $flags).':' : '-', '', $blockIndentationIndicator);
107
108 foreach (explode("\n", $value) as $row) {
109 $output .= sprintf("%s%s%s\n", $prefix, str_repeat(' ', $this->indentation), $row);
110 }
111
112 continue;
113 }
114
115 if ($value instanceof TaggedValue) {
116 $output .= sprintf('%s%s !%s', $prefix, $dumpAsMap ? Inline::dump($key, $flags).':' : '-', $value->getTag());
117
118 if ($inline >= 1 && Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && \is_string($value->getValue()) && false !== strpos($value->getValue(), "\n") && false === strpos($value->getValue(), "\r\n")) {
119 // If the first line starts with a space character, the spec requires a blockIndicationIndicator
120 // http://www.yaml.org/spec/1.2/spec.html#id2793979
121 $blockIndentationIndicator = (' ' === substr($value->getValue(), 0, 1)) ? (string) $this->indentation : '';
122 $output .= sprintf(" |%s\n", $blockIndentationIndicator);
123
124 foreach (explode("\n", $value->getValue()) as $row) {
125 $output .= sprintf("%s%s%s\n", $prefix, str_repeat(' ', $this->indentation), $row);
126 }
127
128 continue;
129 }
130
131 if ($inline - 1 <= 0 || null === $value->getValue() || is_scalar($value->getValue())) {
132 $output .= ' '.$this->dump($value->getValue(), $inline - 1, 0, $flags)."\n";
133 } else {
134 $output .= "\n";
135 $output .= $this->dump($value->getValue(), $inline - 1, $dumpAsMap ? $indent + $this->indentation : $indent + 2, $flags);
136 }
137
138 continue;
139 }
140
141 $dumpObjectAsInlineMap = true;
142
143 if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \ArrayObject || $value instanceof \stdClass)) {
144 $dumpObjectAsInlineMap = empty((array) $value);
145 }
146
147 $willBeInlined = $inline - 1 <= 0 || !\is_array($value) && $dumpObjectAsInlineMap || empty($value);
148
149 $output .= sprintf('%s%s%s%s',
150 $prefix,
151 $dumpAsMap ? Inline::dump($key, $flags).':' : '-',
152 $willBeInlined ? ' ' : "\n",
153 $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $flags)
154 ).($willBeInlined ? "\n" : '');
155 }
156 }
157
158 return $output;
159 }
160 }
161