141 lines
4.0 KiB
PHP
141 lines
4.0 KiB
PHP
<?php
|
|
|
|
/**
|
|
* League.Uri (https://uri.thephpleague.com)
|
|
*
|
|
* (c) Ignace Nyamagana Butera <nyamsprod@gmail.com>
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace League\Uri;
|
|
|
|
use League\Uri\Contracts\UriException;
|
|
use League\Uri\Contracts\UriInterface;
|
|
use League\Uri\Exceptions\SyntaxError;
|
|
use League\Uri\Exceptions\TemplateCanNotBeExpanded;
|
|
use League\Uri\UriTemplate\Template;
|
|
use League\Uri\UriTemplate\VariableBag;
|
|
|
|
/**
|
|
* Defines the URI Template syntax and the process for expanding a URI Template into a URI reference.
|
|
*
|
|
* @link https://tools.ietf.org/html/rfc6570
|
|
* @package League\Uri
|
|
* @author Ignace Nyamagana Butera <nyamsprod@gmail.com>
|
|
* @since 6.1.0
|
|
*
|
|
* Based on GuzzleHttp\UriTemplate class in Guzzle v6.5.
|
|
* @link https://github.com/guzzle/guzzle/blob/6.5/src/UriTemplate.php
|
|
*/
|
|
final class UriTemplate
|
|
{
|
|
/**
|
|
* @var Template
|
|
*/
|
|
private $template;
|
|
|
|
/**
|
|
* @var VariableBag
|
|
*/
|
|
private $defaultVariables;
|
|
|
|
/**
|
|
* @param object|string $template a string or an object with the __toString method
|
|
*
|
|
* @throws \TypeError if the template is not a string or an object with the __toString method
|
|
* @throws SyntaxError if the template syntax is invalid
|
|
* @throws TemplateCanNotBeExpanded if the template variables are invalid
|
|
*/
|
|
public function __construct($template, array $defaultVariables = [])
|
|
{
|
|
$this->template = Template::createFromString($template);
|
|
$this->defaultVariables = $this->filterVariables($defaultVariables);
|
|
}
|
|
|
|
public static function __set_state(array $properties): self
|
|
{
|
|
return new self($properties['template']->toString(), $properties['defaultVariables']->all());
|
|
}
|
|
|
|
/**
|
|
* Filters out variables for the given template.
|
|
*
|
|
* @param array<string,string|array<string>> $variables
|
|
*/
|
|
private function filterVariables(array $variables): VariableBag
|
|
{
|
|
$output = new VariableBag();
|
|
foreach ($this->template->variableNames() as $name) {
|
|
if (isset($variables[$name])) {
|
|
$output->assign($name, $variables[$name]);
|
|
}
|
|
}
|
|
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* The template string.
|
|
*/
|
|
public function getTemplate(): string
|
|
{
|
|
return $this->template->toString();
|
|
}
|
|
|
|
/**
|
|
* Returns the names of the variables in the template, in order.
|
|
*
|
|
* @return string[]
|
|
*/
|
|
public function getVariableNames(): array
|
|
{
|
|
return $this->template->variableNames();
|
|
}
|
|
|
|
/**
|
|
* Returns the default values used to expand the template.
|
|
*
|
|
* The returned list only contains variables whose name is part of the current template.
|
|
*
|
|
* @return array<string,string|array>
|
|
*/
|
|
public function getDefaultVariables(): array
|
|
{
|
|
return $this->defaultVariables->all();
|
|
}
|
|
|
|
/**
|
|
* Returns a new instance with the updated default variables.
|
|
*
|
|
* This method MUST retain the state of the current instance, and return
|
|
* an instance that contains the modified default variables.
|
|
*
|
|
* If present, variables whose name is not part of the current template
|
|
* possible variable names are removed.
|
|
*/
|
|
public function withDefaultVariables(array $defaultDefaultVariables): self
|
|
{
|
|
$clone = clone $this;
|
|
$clone->defaultVariables = $this->filterVariables($defaultDefaultVariables);
|
|
|
|
return $clone;
|
|
}
|
|
|
|
/**
|
|
* @throws TemplateCanNotBeExpanded if the variable contains nested array values
|
|
* @throws UriException if the resulting expansion can not be converted to a UriInterface instance
|
|
*/
|
|
public function expand(array $variables = []): UriInterface
|
|
{
|
|
$uriString = $this->template->expand(
|
|
$this->filterVariables($variables)->replace($this->defaultVariables)
|
|
);
|
|
|
|
return Uri::createFromString($uriString);
|
|
}
|
|
}
|