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114 lines
4.1 KiB
PHP
114 lines
4.1 KiB
PHP
<?php
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/*
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* Copyright 2016 Google LLC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace Google\ApiCore;
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use Google\ApiCore\ResourceTemplate\AbsoluteResourceTemplate;
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use Google\ApiCore\ResourceTemplate\RelativeResourceTemplate;
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use Google\ApiCore\ResourceTemplate\ResourceTemplateInterface;
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/**
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* Represents a path template.
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*
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* Templates use the syntax of the API platform; see the protobuf of HttpRule for
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* details. A template consists of a sequence of literals, wildcards, and variable bindings,
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* where each binding can have a sub-path. A string representation can be parsed into an
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* instance of PathTemplate, which can then be used to perform matching and instantiation.
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*/
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class PathTemplate implements ResourceTemplateInterface
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{
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private $resourceTemplate;
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/**
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* PathTemplate constructor.
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*
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* @param string $path A path template string
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* @throws ValidationException When $path cannot be parsed into a valid PathTemplate
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*/
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public function __construct(string $path = null)
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{
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if (empty($path)) {
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throw new ValidationException('Cannot construct PathTemplate from empty string');
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}
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if ($path[0] === '/') {
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$this->resourceTemplate = new AbsoluteResourceTemplate($path);
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} else {
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$this->resourceTemplate = new RelativeResourceTemplate($path);
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}
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}
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/**
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* @return string A string representation of the path template
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*/
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public function __toString()
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{
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return $this->resourceTemplate->__toString();
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}
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/**
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* Renders a path template using the provided bindings.
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*
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* @param array $bindings An array matching var names to binding strings.
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* @throws ValidationException if a key isn't provided or if a sub-template
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* can't be parsed.
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* @return string A rendered representation of this path template.
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*/
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public function render(array $bindings)
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{
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return $this->resourceTemplate->render($bindings);
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}
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/**
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* Check if $path matches a resource string.
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*
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* @param string $path A resource string.
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* @return bool
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*/
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public function matches(string $path)
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{
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return $this->resourceTemplate->matches($path);
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}
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/**
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* Matches a fully qualified path template string.
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*
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* @param string $path A fully qualified path template string.
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* @throws ValidationException if path can't be matched to the template.
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* @return array Array matching var names to binding values.
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*/
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public function match(string $path)
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{
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return $this->resourceTemplate->match($path);
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}
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}
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