451 lines
11 KiB
PHP
451 lines
11 KiB
PHP
<?php
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namespace Illuminate\View;
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use ArrayAccess;
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use ArrayIterator;
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use Illuminate\Contracts\Support\Htmlable;
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use Illuminate\Support\Arr;
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use Illuminate\Support\HtmlString;
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use Illuminate\Support\Str;
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use Illuminate\Support\Traits\Conditionable;
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use Illuminate\Support\Traits\Macroable;
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use IteratorAggregate;
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use Traversable;
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class ComponentAttributeBag implements ArrayAccess, Htmlable, IteratorAggregate
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{
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use Conditionable, Macroable;
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/**
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* The raw array of attributes.
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*
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* @var array
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*/
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protected $attributes = [];
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/**
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* Create a new component attribute bag instance.
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*
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* @param array $attributes
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* @return void
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*/
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public function __construct(array $attributes = [])
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{
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$this->attributes = $attributes;
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}
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/**
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* Get the first attribute's value.
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*
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* @param mixed $default
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* @return mixed
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*/
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public function first($default = null)
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{
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return $this->getIterator()->current() ?? value($default);
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}
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/**
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* Get a given attribute from the attribute array.
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*
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* @param string $key
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* @param mixed $default
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* @return mixed
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*/
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public function get($key, $default = null)
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{
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return $this->attributes[$key] ?? value($default);
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}
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/**
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* Determine if a given attribute exists in the attribute array.
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*
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* @param string $key
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* @return bool
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*/
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public function has($key)
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{
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return array_key_exists($key, $this->attributes);
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}
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/**
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* Determine if a given attribute is missing from the attribute array.
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*
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* @param string $key
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* @return bool
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*/
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public function missing($key)
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{
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return ! $this->has($key, $this->attributes);
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}
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/**
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* Only include the given attribute from the attribute array.
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*
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* @param mixed $keys
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* @return static
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*/
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public function only($keys)
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{
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if (is_null($keys)) {
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$values = $this->attributes;
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} else {
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$keys = Arr::wrap($keys);
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$values = Arr::only($this->attributes, $keys);
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}
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return new static($values);
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}
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/**
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* Exclude the given attribute from the attribute array.
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*
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* @param mixed|array $keys
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* @return static
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*/
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public function except($keys)
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{
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if (is_null($keys)) {
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$values = $this->attributes;
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} else {
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$keys = Arr::wrap($keys);
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$values = Arr::except($this->attributes, $keys);
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}
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return new static($values);
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}
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/**
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* Filter the attributes, returning a bag of attributes that pass the filter.
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*
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* @param callable $callback
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* @return static
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*/
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public function filter($callback)
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{
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return new static(collect($this->attributes)->filter($callback)->all());
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}
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/**
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* Return a bag of attributes that have keys starting with the given value / pattern.
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*
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* @param string|string[] $needles
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* @return static
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*/
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public function whereStartsWith($needles)
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{
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return $this->filter(function ($value, $key) use ($needles) {
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return Str::startsWith($key, $needles);
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});
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}
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/**
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* Return a bag of attributes with keys that do not start with the given value / pattern.
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*
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* @param string|string[] $needles
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* @return static
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*/
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public function whereDoesntStartWith($needles)
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{
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return $this->filter(function ($value, $key) use ($needles) {
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return ! Str::startsWith($key, $needles);
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});
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}
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/**
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* Return a bag of attributes that have keys starting with the given value / pattern.
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*
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* @param string|string[] $needles
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* @return static
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*/
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public function thatStartWith($needles)
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{
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return $this->whereStartsWith($needles);
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}
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/**
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* Only include the given attribute from the attribute array.
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*
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* @param mixed|array $keys
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* @return static
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*/
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public function onlyProps($keys)
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{
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return $this->only($this->extractPropNames($keys));
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}
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/**
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* Exclude the given attribute from the attribute array.
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*
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* @param mixed|array $keys
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* @return static
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*/
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public function exceptProps($keys)
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{
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return $this->except($this->extractPropNames($keys));
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}
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/**
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* Extract prop names from given keys.
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*
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* @param mixed|array $keys
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* @return array
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*/
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protected function extractPropNames($keys)
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{
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$props = [];
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foreach ($keys as $key => $defaultValue) {
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$key = is_numeric($key) ? $defaultValue : $key;
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$props[] = $key;
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$props[] = Str::kebab($key);
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}
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return $props;
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}
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/**
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* Conditionally merge classes into the attribute bag.
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*
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* @param mixed|array $classList
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* @return static
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*/
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public function class($classList)
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{
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$classList = Arr::wrap($classList);
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return $this->merge(['class' => Arr::toCssClasses($classList)]);
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}
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/**
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* Conditionally merge styles into the attribute bag.
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*
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* @param mixed|array $styleList
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* @return static
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*/
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public function style($styleList)
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{
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$styleList = Arr::wrap($styleList);
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return $this->merge(['style' => Arr::toCssStyles($styleList)]);
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}
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/**
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* Merge additional attributes / values into the attribute bag.
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*
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* @param array $attributeDefaults
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* @param bool $escape
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* @return static
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*/
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public function merge(array $attributeDefaults = [], $escape = true)
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{
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$attributeDefaults = array_map(function ($value) use ($escape) {
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return $this->shouldEscapeAttributeValue($escape, $value)
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? e($value)
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: $value;
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}, $attributeDefaults);
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[$appendableAttributes, $nonAppendableAttributes] = collect($this->attributes)
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->partition(function ($value, $key) use ($attributeDefaults) {
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return $key === 'class' || $key === 'style' || (
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isset($attributeDefaults[$key]) &&
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$attributeDefaults[$key] instanceof AppendableAttributeValue
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);
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});
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$attributes = $appendableAttributes->mapWithKeys(function ($value, $key) use ($attributeDefaults, $escape) {
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$defaultsValue = isset($attributeDefaults[$key]) && $attributeDefaults[$key] instanceof AppendableAttributeValue
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? $this->resolveAppendableAttributeDefault($attributeDefaults, $key, $escape)
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: ($attributeDefaults[$key] ?? '');
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if ($key === 'style') {
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$value = Str::finish($value, ';');
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}
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return [$key => implode(' ', array_unique(array_filter([$defaultsValue, $value])))];
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})->merge($nonAppendableAttributes)->all();
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return new static(array_merge($attributeDefaults, $attributes));
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}
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/**
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* Determine if the specific attribute value should be escaped.
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*
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* @param bool $escape
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* @param mixed $value
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* @return bool
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*/
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protected function shouldEscapeAttributeValue($escape, $value)
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{
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if (! $escape) {
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return false;
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}
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return ! is_object($value) &&
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! is_null($value) &&
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! is_bool($value);
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}
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/**
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* Create a new appendable attribute value.
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*
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* @param mixed $value
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* @return \Illuminate\View\AppendableAttributeValue
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*/
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public function prepends($value)
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{
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return new AppendableAttributeValue($value);
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}
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/**
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* Resolve an appendable attribute value default value.
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*
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* @param array $attributeDefaults
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* @param string $key
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* @param bool $escape
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* @return mixed
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*/
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protected function resolveAppendableAttributeDefault($attributeDefaults, $key, $escape)
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{
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if ($this->shouldEscapeAttributeValue($escape, $value = $attributeDefaults[$key]->value)) {
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$value = e($value);
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}
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return $value;
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}
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/**
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* Get all of the raw attributes.
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*
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* @return array
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*/
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public function getAttributes()
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{
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return $this->attributes;
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}
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/**
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* Set the underlying attributes.
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*
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* @param array $attributes
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* @return void
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*/
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public function setAttributes(array $attributes)
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{
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if (isset($attributes['attributes']) &&
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$attributes['attributes'] instanceof self) {
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$parentBag = $attributes['attributes'];
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unset($attributes['attributes']);
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$attributes = $parentBag->merge($attributes, $escape = false)->getAttributes();
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}
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$this->attributes = $attributes;
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}
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/**
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* Get content as a string of HTML.
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*
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* @return string
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*/
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public function toHtml()
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{
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return (string) $this;
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}
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/**
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* Merge additional attributes / values into the attribute bag.
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*
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* @param array $attributeDefaults
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* @return \Illuminate\Support\HtmlString
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*/
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public function __invoke(array $attributeDefaults = [])
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{
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return new HtmlString((string) $this->merge($attributeDefaults));
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}
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/**
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* Determine if the given offset exists.
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*
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* @param string $offset
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* @return bool
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*/
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public function offsetExists($offset): bool
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{
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return isset($this->attributes[$offset]);
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}
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/**
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* Get the value at the given offset.
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*
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* @param string $offset
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* @return mixed
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*/
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public function offsetGet($offset): mixed
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{
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return $this->get($offset);
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}
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/**
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* Set the value at a given offset.
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*
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* @param string $offset
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* @param mixed $value
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* @return void
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*/
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public function offsetSet($offset, $value): void
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{
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$this->attributes[$offset] = $value;
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}
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/**
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* Remove the value at the given offset.
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*
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* @param string $offset
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* @return void
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*/
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public function offsetUnset($offset): void
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{
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unset($this->attributes[$offset]);
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}
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/**
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* Get an iterator for the items.
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*
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* @return \ArrayIterator
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*/
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public function getIterator(): Traversable
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{
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return new ArrayIterator($this->attributes);
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}
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/**
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* Implode the attributes into a single HTML ready string.
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*
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* @return string
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*/
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public function __toString()
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{
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$string = '';
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foreach ($this->attributes as $key => $value) {
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if ($value === false || is_null($value)) {
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continue;
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}
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if ($value === true) {
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$value = $key;
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}
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$string .= ' '.$key.'="'.str_replace('"', '\\"', trim($value)).'"';
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}
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return trim($string);
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}
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}
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