comparison vendor/symfony/yaml/Dumper.php @ 0:c75dbcec494b

Initial commit from drush-created site

+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <[e-mail]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Yaml;
+
+/**
+ * Dumper dumps PHP variables to YAML strings.
+ *
+ * @author Fabien Potencier <[e-mail]>
+ *
+ * @final since version 3.4
+ */
+class Dumper
+{
+    /**
+     * The amount of spaces to use for indentation of nested nodes.
+     *
+     * @var int
+     */
+    protected $indentation;
+
+    /**
+     * @param int $indentation
+     */
+    public function __construct($indentation = 4)
+    {
+        if ($indentation < 1) {
+            throw new \InvalidArgumentException('The indentation must be greater than zero.');
+        }
+
+        $this->indentation = $indentation;
+    }
+
+    /**
+     * Sets the indentation.
+     *
+     * @param int $num The amount of spaces to use for indentation of nested nodes
+     *
+     * @deprecated since version 3.1, to be removed in 4.0. Pass the indentation to the constructor instead.
+     */
+    public function setIndentation($num)
+    {
+        @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);
+
+        $this->indentation = (int) $num;
+    }
+
+    /**
+     * Dumps a PHP value to YAML.
+     *
+     * @param mixed $input  The PHP value
+     * @param int   $inline The level where you switch to inline YAML
+     * @param int   $indent The level of indentation (used internally)
+     * @param int   $flags  A bit field of Yaml::DUMP_* constants to customize the dumped YAML string
+     *
+     * @return string The YAML representation of the PHP value
+     */
+    public function dump($input, $inline = 0, $indent = 0, $flags = 0)
+    {
+        if (is_bool($flags)) {
+            @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);
+
+            if ($flags) {
+                $flags = Yaml::DUMP_EXCEPTION_ON_INVALID_TYPE;
+            } else {
+                $flags = 0;
+            }
+        }
+
+        if (func_num_args() >= 5) {
+            @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);
+
+            if (func_get_arg(4)) {
+                $flags |= Yaml::DUMP_OBJECT;
+            }
+        }
+
+        $output = '';
+        $prefix = $indent ? str_repeat(' ', $indent) : '';
+        $dumpObjectAsInlineMap = true;
+
+        if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($input instanceof \ArrayObject || $input instanceof \stdClass)) {
+            $dumpObjectAsInlineMap = empty((array) $input);
+        }
+
+        if ($inline <= 0 || (!is_array($input) && $dumpObjectAsInlineMap) || empty($input)) {
+            $output .= $prefix.Inline::dump($input, $flags);
+        } else {
+            $dumpAsMap = Inline::isHash($input);
+
+            foreach ($input as $key => $value) {
+                if ($inline >= 1 && Yaml::DUMP_MULTI_LINE_LITERAL_BLOCK & $flags && is_string($value) && false !== strpos($value, "\n") && false === strpos($value, "\r\n")) {
+                    // If the first line starts with a space character, the spec requires a blockIndicationIndicator
+                    // http://www.yaml.org/spec/1.2/spec.html#id2793979
+                    $blockIndentationIndicator = (' ' === substr($value, 0, 1)) ? (string) $this->indentation : '';
+                    $output .= sprintf("%s%s%s |%s\n", $prefix, $dumpAsMap ? Inline::dump($key, $flags).':' : '-', '', $blockIndentationIndicator);
+
+                    foreach (preg_split('/\n|\r\n/', $value) as $row) {
+                        $output .= sprintf("%s%s%s\n", $prefix, str_repeat(' ', $this->indentation), $row);
+                    }
+
+                    continue;
+                }
+
+                $dumpObjectAsInlineMap = true;
+
+                if (Yaml::DUMP_OBJECT_AS_MAP & $flags && ($value instanceof \ArrayObject || $value instanceof \stdClass)) {
+                    $dumpObjectAsInlineMap = empty((array) $value);
+                }
+
+                $willBeInlined = $inline - 1 <= 0 || !is_array($value) && $dumpObjectAsInlineMap || empty($value);
+
+                $output .= sprintf('%s%s%s%s',
+                    $prefix,
+                    $dumpAsMap ? Inline::dump($key, $flags).':' : '-',
+                    $willBeInlined ? ' ' : "\n",
+                    $this->dump($value, $inline - 1, $willBeInlined ? 0 : $indent + $this->indentation, $flags)
+                ).($willBeInlined ? "\n" : '');
+            }
+        }
+
+        return $output;
+    }
+}