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Edit File : Data.php \| Size : 13.49 KB
<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Symfony\Component\VarDumper\Cloner; use Symfony\Component\VarDumper\Caster\Caster; use Symfony\Component\VarDumper\Dumper\ContextProvider\SourceContextProvider; /* * @author Nicolas Grekas <p@tchwork.com> / class Data implements \ArrayAccess, \Countable, \IteratorAggregate { private $data; private $position = 0; private $key = 0; private $maxDepth = 20; private $maxItemsPerDepth = -1; private $useRefHandles = -1; private $context = []; /* * @param array $data An array as returned by ClonerInterface::cloneVar() / public function __construct(array $data) { $this->data = $data; } /* * @return string\|null The type of the value / public function getType() { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!$item instanceof Stub) { return \gettype($item); } if (Stub::TYPE_STRING === $item->type) { return 'string'; } if (Stub::TYPE_ARRAY === $item->type) { return 'array'; } if (Stub::TYPE_OBJECT === $item->type) { return $item->class; } if (Stub::TYPE_RESOURCE === $item->type) { return $item->class.' resource'; } return null; } /* * @param array\|bool $recursive Whether values should be resolved recursively or not * * @return string\|int\|float\|bool\|array\|Data[]\|null A native representation of the original value / public function getValue($recursive = false) { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!($item = $this->getStub($item)) instanceof Stub) { return $item; } if (Stub::TYPE_STRING === $item->type) { return $item->value; } $children = $item->position ? $this->data[$item->position] : []; foreach ($children as $k => $v) { if ($recursive && !($v = $this->getStub($v)) instanceof Stub) { continue; } $children[$k] = clone $this; $children[$k]->key = $k; $children[$k]->position = $item->position; if ($recursive) { if (Stub::TYPE_REF === $v->type && ($v = $this->getStub($v->value)) instanceof Stub) { $recursive = (array) $recursive; if (isset($recursive[$v->position])) { continue; } $recursive[$v->position] = true; } $children[$k] = $children[$k]->getValue($recursive); } } return $children; } /* * @return int / public function count() { return \count($this->getValue()); } /* * @return \Traversable / public function getIterator() { if (!\is_array($value = $this->getValue())) { throw new \LogicException(sprintf('"%s" object holds non-iterable type "%s".', self::class, \gettype($value))); } yield from $value; } public function __get($key) { if (null !== $data = $this->seek($key)) { $item = $this->getStub($data->data[$data->position][$data->key]); return $item instanceof Stub \|\| [] === $item ? $data : $item; } return null; } /* * @return bool / public function __isset($key) { return null !== $this->seek($key); } /* * @return bool / public function offsetExists($key) { return $this->__isset($key); } public function offsetGet($key) { return $this->__get($key); } public function offsetSet($key, $value) { throw new \BadMethodCallException(self::class.' objects are immutable.'); } public function offsetUnset($key) { throw new \BadMethodCallException(self::class.' objects are immutable.'); } /* * @return string / public function __toString() { $value = $this->getValue(); if (!\is_array($value)) { return (string) $value; } return sprintf('%s (count=%d)', $this->getType(), \count($value)); } /* * Returns a depth limited clone of $this. * * @param int $maxDepth The max dumped depth level * * @return static / public function withMaxDepth($maxDepth) { $data = clone $this; $data->maxDepth = (int) $maxDepth; return $data; } /* * Limits the number of elements per depth level. * * @param int $maxItemsPerDepth The max number of items dumped per depth level * * @return static / public function withMaxItemsPerDepth($maxItemsPerDepth) { $data = clone $this; $data->maxItemsPerDepth = (int) $maxItemsPerDepth; return $data; } /* * Enables/disables objects' identifiers tracking. * * @param bool $useRefHandles False to hide global ref. handles * * @return static / public function withRefHandles($useRefHandles) { $data = clone $this; $data->useRefHandles = $useRefHandles ? -1 : 0; return $data; } /* * @return static / public function withContext(array $context) { $data = clone $this; $data->context = $context; return $data; } /* * Seeks to a specific key in nested data structures. * * @param string\|int $key The key to seek to * * @return static\|null Null if the key is not set / public function seek($key) { $item = $this->data[$this->position][$this->key]; if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { $item = $item->value; } if (!($item = $this->getStub($item)) instanceof Stub \|\| !$item->position) { return null; } $keys = [$key]; switch ($item->type) { case Stub::TYPE_OBJECT: $keys[] = Caster::PREFIX_DYNAMIC.$key; $keys[] = Caster::PREFIX_PROTECTED.$key; $keys[] = Caster::PREFIX_VIRTUAL.$key; $keys[] = "\0$item->class\0$key"; // no break case Stub::TYPE_ARRAY: case Stub::TYPE_RESOURCE: break; default: return null; } $data = null; $children = $this->data[$item->position]; foreach ($keys as $key) { if (isset($children[$key]) \|\| \array_key_exists($key, $children)) { $data = clone $this; $data->key = $key; $data->position = $item->position; break; } } return $data; } /* * Dumps data with a DumperInterface dumper. / public function dump(DumperInterface $dumper) { $refs = [0]; $cursor = new Cursor(); if ($cursor->attr = $this->context[SourceContextProvider::class] ?? []) { $cursor->attr['if_links'] = true; $cursor->hashType = -1; $dumper->dumpScalar($cursor, 'default', '^'); $cursor->attr = ['if_links' => true]; $dumper->dumpScalar($cursor, 'default', ' '); $cursor->hashType = 0; } $this->dumpItem($dumper, $cursor, $refs, $this->data[$this->position][$this->key]); } /* * Depth-first dumping of items. * * @param mixed $item A Stub object or the original value being dumped / private function dumpItem(DumperInterface $dumper, Cursor $cursor, array &$refs, $item) { $cursor->refIndex = 0; $cursor->softRefTo = $cursor->softRefHandle = $cursor->softRefCount = 0; $cursor->hardRefTo = $cursor->hardRefHandle = $cursor->hardRefCount = 0; $firstSeen = true; if (!$item instanceof Stub) { $cursor->attr = []; $type = \gettype($item); if ($item && 'array' === $type) { $item = $this->getStub($item); } } elseif (Stub::TYPE_REF === $item->type) { if ($item->handle) { if (!isset($refs[$r = $item->handle - (\PHP_INT_MAX >> 1)])) { $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; } else { $firstSeen = false; } $cursor->hardRefTo = $refs[$r]; $cursor->hardRefHandle = $this->useRefHandles & $item->handle; $cursor->hardRefCount = 0 < $item->handle ? $item->refCount : 0; } $cursor->attr = $item->attr; $type = $item->class ?: \gettype($item->value); $item = $this->getStub($item->value); } if ($item instanceof Stub) { if ($item->refCount) { if (!isset($refs[$r = $item->handle])) { $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; } else { $firstSeen = false; } $cursor->softRefTo = $refs[$r]; } $cursor->softRefHandle = $this->useRefHandles & $item->handle; $cursor->softRefCount = $item->refCount; $cursor->attr = $item->attr; $cut = $item->cut; if ($item->position && $firstSeen) { $children = $this->data[$item->position]; if ($cursor->stop) { if ($cut >= 0) { $cut += \count($children); } $children = []; } } else { $children = []; } switch ($item->type) { case Stub::TYPE_STRING: $dumper->dumpString($cursor, $item->value, Stub::STRING_BINARY === $item->class, $cut); break; case Stub::TYPE_ARRAY: $item = clone $item; $item->type = $item->class; $item->class = $item->value; // no break case Stub::TYPE_OBJECT: case Stub::TYPE_RESOURCE: $withChildren = $children && $cursor->depth !== $this->maxDepth && $this->maxItemsPerDepth; $dumper->enterHash($cursor, $item->type, $item->class, $withChildren); if ($withChildren) { if ($cursor->skipChildren) { $withChildren = false; $cut = -1; } else { $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type, null !== $item->class); } } elseif ($children && 0 <= $cut) { $cut += \count($children); } $cursor->skipChildren = false; $dumper->leaveHash($cursor, $item->type, $item->class, $withChildren, $cut); break; default: throw new \RuntimeException(sprintf('Unexpected Stub type: "%s".', $item->type)); } } elseif ('array' === $type) { $dumper->enterHash($cursor, Cursor::HASH_INDEXED, 0, false); $dumper->leaveHash($cursor, Cursor::HASH_INDEXED, 0, false, 0); } elseif ('string' === $type) { $dumper->dumpString($cursor, $item, false, 0); } else { $dumper->dumpScalar($cursor, $type, $item); } } /* * Dumps children of hash structures. * * @return int The final number of removed items */ private function dumpChildren(DumperInterface $dumper, Cursor $parentCursor, array &$refs, array $children, int $hashCut, int $hashType, bool $dumpKeys): int { $cursor = clone $parentCursor; ++$cursor->depth; $cursor->hashType = $hashType; $cursor->hashIndex = 0; $cursor->hashLength = \count($children); $cursor->hashCut = $hashCut; foreach ($children as $key => $child) { $cursor->hashKeyIsBinary = isset($key[0]) && !preg_match('//u', $key); $cursor->hashKey = $dumpKeys ? $key : null; $this->dumpItem($dumper, $cursor, $refs, $child); if (++$cursor->hashIndex === $this->maxItemsPerDepth \|\| $cursor->stop) { $parentCursor->stop = true; return $hashCut >= 0 ? $hashCut + $cursor->hashLength - $cursor->hashIndex : $hashCut; } } return $hashCut; } private function getStub($item) { if (!$item \|\| !\is_array($item)) { return $item; } $stub = new Stub(); $stub->type = Stub::TYPE_ARRAY; foreach ($item as $stub->class => $stub->position) { } if (isset($item[0])) { $stub->cut = $item[0]; } $stub->value = $stub->cut + ($stub->position ? \count($this->data[$stub->position]) : 0); return $stub; } } Back

Edit File : Data.php | Size : 13.49 KB

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Cloner;

use Symfony\Component\VarDumper\Caster\Caster;
use Symfony\Component\VarDumper\Dumper\ContextProvider\SourceContextProvider;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
class Data implements \ArrayAccess, \Countable, \IteratorAggregate
{
    private $data;
    private $position = 0;
    private $key = 0;
    private $maxDepth = 20;
    private $maxItemsPerDepth = -1;
    private $useRefHandles = -1;
    private $context = [];

/**
     * @param array $data An array as returned by ClonerInterface::cloneVar()
     */
    public function __construct(array $data)
    {
        $this->data = $data;
    }

/**
     * @return string|null The type of the value
     */
    public function getType()
    {
        $item = $this->data[$this->position][$this->key];

if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
            $item = $item->value;
        }
        if (!$item instanceof Stub) {
            return \gettype($item);
        }
        if (Stub::TYPE_STRING === $item->type) {
            return 'string';
        }
        if (Stub::TYPE_ARRAY === $item->type) {
            return 'array';
        }
        if (Stub::TYPE_OBJECT === $item->type) {
            return $item->class;
        }
        if (Stub::TYPE_RESOURCE === $item->type) {
            return $item->class.' resource';
        }

return null;
    }

/**
     * @param array|bool $recursive Whether values should be resolved recursively or not
     *
     * @return string|int|float|bool|array|Data[]|null A native representation of the original value
     */
    public function getValue($recursive = false)
    {
        $item = $this->data[$this->position][$this->key];

if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
            $item = $item->value;
        }
        if (!($item = $this->getStub($item)) instanceof Stub) {
            return $item;
        }
        if (Stub::TYPE_STRING === $item->type) {
            return $item->value;
        }

$children = $item->position ? $this->data[$item->position] : [];

foreach ($children as $k => $v) {
            if ($recursive && !($v = $this->getStub($v)) instanceof Stub) {
                continue;
            }
            $children[$k] = clone $this;
            $children[$k]->key = $k;
            $children[$k]->position = $item->position;

if ($recursive) {
                if (Stub::TYPE_REF === $v->type && ($v = $this->getStub($v->value)) instanceof Stub) {
                    $recursive = (array) $recursive;
                    if (isset($recursive[$v->position])) {
                        continue;
                    }
                    $recursive[$v->position] = true;
                }
                $children[$k] = $children[$k]->getValue($recursive);
            }
        }

return $children;
    }

/**
     * @return int
     */
    public function count()
    {
        return \count($this->getValue());
    }

/**
     * @return \Traversable
     */
    public function getIterator()
    {
        if (!\is_array($value = $this->getValue())) {
            throw new \LogicException(sprintf('"%s" object holds non-iterable type "%s".', self::class, \gettype($value)));
        }

yield from $value;
    }

public function __get($key)
    {
        if (null !== $data = $this->seek($key)) {
            $item = $this->getStub($data->data[$data->position][$data->key]);

return $item instanceof Stub || [] === $item ? $data : $item;
        }

return null;
    }

/**
     * @return bool
     */
    public function __isset($key)
    {
        return null !== $this->seek($key);
    }

/**
     * @return bool
     */
    public function offsetExists($key)
    {
        return $this->__isset($key);
    }

public function offsetGet($key)
    {
        return $this->__get($key);
    }

public function offsetSet($key, $value)
    {
        throw new \BadMethodCallException(self::class.' objects are immutable.');
    }

public function offsetUnset($key)
    {
        throw new \BadMethodCallException(self::class.' objects are immutable.');
    }

/**
     * @return string
     */
    public function __toString()
    {
        $value = $this->getValue();

if (!\is_array($value)) {
            return (string) $value;
        }

return sprintf('%s (count=%d)', $this->getType(), \count($value));
    }

/**
     * Returns a depth limited clone of $this.
     *
     * @param int $maxDepth The max dumped depth level
     *
     * @return static
     */
    public function withMaxDepth($maxDepth)
    {
        $data = clone $this;
        $data->maxDepth = (int) $maxDepth;

return $data;
    }

/**
     * Limits the number of elements per depth level.
     *
     * @param int $maxItemsPerDepth The max number of items dumped per depth level
     *
     * @return static
     */
    public function withMaxItemsPerDepth($maxItemsPerDepth)
    {
        $data = clone $this;
        $data->maxItemsPerDepth = (int) $maxItemsPerDepth;

return $data;
    }

/**
     * Enables/disables objects' identifiers tracking.
     *
     * @param bool $useRefHandles False to hide global ref. handles
     *
     * @return static
     */
    public function withRefHandles($useRefHandles)
    {
        $data = clone $this;
        $data->useRefHandles = $useRefHandles ? -1 : 0;

return $data;
    }

/**
     * @return static
     */
    public function withContext(array $context)
    {
        $data = clone $this;
        $data->context = $context;

return $data;
    }

/**
     * Seeks to a specific key in nested data structures.
     *
     * @param string|int $key The key to seek to
     *
     * @return static|null Null if the key is not set
     */
    public function seek($key)
    {
        $item = $this->data[$this->position][$this->key];

if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) {
            $item = $item->value;
        }
        if (!($item = $this->getStub($item)) instanceof Stub || !$item->position) {
            return null;
        }
        $keys = [$key];

switch ($item->type) {
            case Stub::TYPE_OBJECT:
                $keys[] = Caster::PREFIX_DYNAMIC.$key;
                $keys[] = Caster::PREFIX_PROTECTED.$key;
                $keys[] = Caster::PREFIX_VIRTUAL.$key;
                $keys[] = "\0$item->class\0$key";
                // no break
            case Stub::TYPE_ARRAY:
            case Stub::TYPE_RESOURCE:
                break;
            default:
                return null;
        }

$data = null;
        $children = $this->data[$item->position];

foreach ($keys as $key) {
            if (isset($children[$key]) || \array_key_exists($key, $children)) {
                $data = clone $this;
                $data->key = $key;
                $data->position = $item->position;
                break;
            }
        }

return $data;
    }

/**
     * Dumps data with a DumperInterface dumper.
     */
    public function dump(DumperInterface $dumper)
    {
        $refs = [0];
        $cursor = new Cursor();

if ($cursor->attr = $this->context[SourceContextProvider::class] ?? []) {
            $cursor->attr['if_links'] = true;
            $cursor->hashType = -1;
            $dumper->dumpScalar($cursor, 'default', '^');
            $cursor->attr = ['if_links' => true];
            $dumper->dumpScalar($cursor, 'default', ' ');
            $cursor->hashType = 0;
        }

$this->dumpItem($dumper, $cursor, $refs, $this->data[$this->position][$this->key]);
    }

/**
     * Depth-first dumping of items.
     *
     * @param mixed $item A Stub object or the original value being dumped
     */
    private function dumpItem(DumperInterface $dumper, Cursor $cursor, array &$refs, $item)
    {
        $cursor->refIndex = 0;
        $cursor->softRefTo = $cursor->softRefHandle = $cursor->softRefCount = 0;
        $cursor->hardRefTo = $cursor->hardRefHandle = $cursor->hardRefCount = 0;
        $firstSeen = true;

if (!$item instanceof Stub) {
            $cursor->attr = [];
            $type = \gettype($item);
            if ($item && 'array' === $type) {
                $item = $this->getStub($item);
            }
        } elseif (Stub::TYPE_REF === $item->type) {
            if ($item->handle) {
                if (!isset($refs[$r = $item->handle - (\PHP_INT_MAX >> 1)])) {
                    $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0];
                } else {
                    $firstSeen = false;
                }
                $cursor->hardRefTo = $refs[$r];
                $cursor->hardRefHandle = $this->useRefHandles & $item->handle;
                $cursor->hardRefCount = 0 < $item->handle ? $item->refCount : 0;
            }
            $cursor->attr = $item->attr;
            $type = $item->class ?: \gettype($item->value);
            $item = $this->getStub($item->value);
        }
        if ($item instanceof Stub) {
            if ($item->refCount) {
                if (!isset($refs[$r = $item->handle])) {
                    $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0];
                } else {
                    $firstSeen = false;
                }
                $cursor->softRefTo = $refs[$r];
            }
            $cursor->softRefHandle = $this->useRefHandles & $item->handle;
            $cursor->softRefCount = $item->refCount;
            $cursor->attr = $item->attr;
            $cut = $item->cut;

if ($item->position && $firstSeen) {
                $children = $this->data[$item->position];

if ($cursor->stop) {
                    if ($cut >= 0) {
                        $cut += \count($children);
                    }
                    $children = [];
                }
            } else {
                $children = [];
            }
            switch ($item->type) {
                case Stub::TYPE_STRING:
                    $dumper->dumpString($cursor, $item->value, Stub::STRING_BINARY === $item->class, $cut);
                    break;

case Stub::TYPE_ARRAY:
                    $item = clone $item;
                    $item->type = $item->class;
                    $item->class = $item->value;
                    // no break
                case Stub::TYPE_OBJECT:
                case Stub::TYPE_RESOURCE:
                    $withChildren = $children && $cursor->depth !== $this->maxDepth && $this->maxItemsPerDepth;
                    $dumper->enterHash($cursor, $item->type, $item->class, $withChildren);
                    if ($withChildren) {
                        if ($cursor->skipChildren) {
                            $withChildren = false;
                            $cut = -1;
                        } else {
                            $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type, null !== $item->class);
                        }
                    } elseif ($children && 0 <= $cut) {
                        $cut += \count($children);
                    }
                    $cursor->skipChildren = false;
                    $dumper->leaveHash($cursor, $item->type, $item->class, $withChildren, $cut);
                    break;

default:
                    throw new \RuntimeException(sprintf('Unexpected Stub type: "%s".', $item->type));
            }
        } elseif ('array' === $type) {
            $dumper->enterHash($cursor, Cursor::HASH_INDEXED, 0, false);
            $dumper->leaveHash($cursor, Cursor::HASH_INDEXED, 0, false, 0);
        } elseif ('string' === $type) {
            $dumper->dumpString($cursor, $item, false, 0);
        } else {
            $dumper->dumpScalar($cursor, $type, $item);
        }
    }

/**
     * Dumps children of hash structures.
     *
     * @return int The final number of removed items
     */
    private function dumpChildren(DumperInterface $dumper, Cursor $parentCursor, array &$refs, array $children, int $hashCut, int $hashType, bool $dumpKeys): int
    {
        $cursor = clone $parentCursor;
        ++$cursor->depth;
        $cursor->hashType = $hashType;
        $cursor->hashIndex = 0;
        $cursor->hashLength = \count($children);
        $cursor->hashCut = $hashCut;
        foreach ($children as $key => $child) {
            $cursor->hashKeyIsBinary = isset($key[0]) && !preg_match('//u', $key);
            $cursor->hashKey = $dumpKeys ? $key : null;
            $this->dumpItem($dumper, $cursor, $refs, $child);
            if (++$cursor->hashIndex === $this->maxItemsPerDepth || $cursor->stop) {
                $parentCursor->stop = true;

return $hashCut >= 0 ? $hashCut + $cursor->hashLength - $cursor->hashIndex : $hashCut;
            }
        }

return $hashCut;
    }

private function getStub($item)
    {
        if (!$item || !\is_array($item)) {
            return $item;
        }

$stub = new Stub();
        $stub->type = Stub::TYPE_ARRAY;
        foreach ($item as $stub->class => $stub->position) {
        }
        if (isset($item[0])) {
            $stub->cut = $item[0];
        }
        $stub->value = $stub->cut + ($stub->position ? \count($this->data[$stub->position]) : 0);

return $stub;
    }
}

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