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<?php |
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/** |
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* Copyright 2014 Krzysztof Magosa |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace KM\Saffron\UrlMatcher; |
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use KM\Saffron\RoutesCollection; |
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use KM\Saffron\Route; |
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use KM\Saffron\Code; |
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class Generator extends \KM\Saffron\Generator |
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{ |
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/** |
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* @var RoutesCollection |
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*/ |
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protected $collection; |
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/** |
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* @var Code |
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*/ |
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protected $code; |
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public function __construct(RoutesCollection $collection) |
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{ |
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$this->collection = $collection; |
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$this->code = new Code(); |
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} |
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protected function conditionPrefix(Route $route, &$conditions) |
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{ |
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$compiled = $route->getCompiled(); |
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if ($compiled->hasUriRegex()) { |
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$conditions[] = sprintf( |
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'0 === strpos($uri, %s)', |
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var_export($compiled->getPrefix(), true) |
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); |
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} else { |
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$conditions[] = sprintf( |
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'$uri == %s', |
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var_export($compiled->getPrefix(), true) |
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); |
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} |
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} |
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protected function conditionUriRegex(Route $route, array &$conditions) |
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{ |
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$compiled = $route->getCompiled(); |
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if ($compiled->hasUriRegex()) { |
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$conditions[] = sprintf( |
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'preg_match(%s, $uri, $uriMatch)', |
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var_export($compiled->getUriRegex(), true) |
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); |
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} |
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} |
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protected function conditionHttps(Route $route, array &$conditions) |
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{ |
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if ($route->hasHttps()) { |
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$conditions[] = sprintf( |
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'$https === %s', |
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var_export($route->getHttps(), true) |
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); |
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} |
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} |
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protected function getArraysOfParameters(Route $route) |
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{ |
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$arrays = []; |
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$compiled = $route->getCompiled(); |
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$arrays[] = sprintf( |
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"['_route' => %s, '_request' => \$request]", |
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var_export($route->getName(), true) |
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); |
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if ($route->hasDefaults()) { |
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$arrays[] = $this->formatArray($route->getDefaults()); |
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} |
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if ($route->hasDomain()) { |
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$arrays[] = '$domainMatch'; |
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} |
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if ($compiled->hasUriRegex()) { |
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$arrays[] = '$uriMatch'; |
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} |
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return $arrays; |
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} |
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protected function generateRoute(Route $route) |
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{ |
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$conditions = []; |
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$this->conditionPrefix($route, $conditions); |
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$this->conditionUriRegex($route, $conditions); |
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$this->conditionHttps($route, $conditions); |
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$this->code->append( |
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sprintf( |
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'if (%s) {', |
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implode(' && ', $conditions) |
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) |
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); |
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if ($route->hasMethod()) { |
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$this->code->append( |
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sprintf( |
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'if (in_array($method, %s)) {', |
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$this->formatArray($route->getMethod()) |
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) |
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); |
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} |
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$this->code |
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->append('return new RoutingResult(') |
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->append('true,') |
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->append('false,') |
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->append('false,') |
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->append('[],') |
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->append($this->formatArray($route->getTarget()).','); |
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$arrays = $this->getArraysOfParameters($route); |
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if (count($arrays) >= 2) { |
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$this->code->append( |
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sprintf( |
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'$this->filterParameters(array_replace(%s))', |
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implode(', ', $this->getArraysOfParameters($route)) |
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) |
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); |
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} else { |
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$this->code->append( |
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sprintf( |
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'$this->filterParameters(%s)', |
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$this->getArraysOfParameters($route)[0] |
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) |
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); |
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} |
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$this->code->append(');'); |
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if ($route->hasMethod()) { |
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$this->code->append('}'); |
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$this->code->append('else {'); |
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$this->code->append( |
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sprintf( |
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'$allowedMethods = array_merge($allowedMethods, %s);', |
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$this->formatArray($route->getMethod()) |
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) |
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); |
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$this->code->append('}'); |
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} |
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$this->code->append('}'); |
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} |
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protected function generateMatchMethod() |
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{ |
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$this->code |
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->append('public function match(Request $request) {') |
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->append('$uri = $request->getUri();') |
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->append('$allowedMethods = [];'); |
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if ($this->collection->hasDomain()) { |
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$this->code->append('$domain = $request->getDomain();'); |
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} |
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if ($this->collection->hasHttps()) { |
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$this->code->append('$https = $request->getHttps();'); |
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} |
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if ($this->collection->hasMethod()) { |
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$this->code->append('$method = $request->getMethod();'); |
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} |
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foreach ($this->collection->groupByDomain() as $routes) { |
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if ($routes->first()->hasDomain()) { |
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$this->code->append( |
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sprintf( |
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'if (preg_match(%s, $domain, $domainMatch)) {', |
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var_export( |
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$routes->first()->getCompiled()->getDomainRegex(), |
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true |
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) |
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) |
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); |
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} |
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foreach ($routes as $route) { |
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$this->generateRoute($route); |
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} |
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if ($routes->first()->hasDomain()) { |
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$this->code->append('}'); |
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} |
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} |
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$this->code |
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->append('return new RoutingResult(') |
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->append('false,') |
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->append('!empty($allowedMethods),') |
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->append('empty($allowedMethods),') |
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->append('array_unique($allowedMethods),') |
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->append('[],') |
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->append('[]') |
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->append(');'); |
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$this->code->append('}'); |
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} |
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/** |
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* @param string $className |
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*/ |
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protected function generateHeader($className) |
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{ |
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$this->code->append( |
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<<<EOB |
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<?php |
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use KM\Saffron\UrlMatcher; |
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use KM\Saffron\Request; |
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use KM\Saffron\RoutingResult; |
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use KM\Saffron\UrlMatcher\Base; |
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class $className extends Base { |
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EOB |
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); |
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} |
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protected function generateFooter() |
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{ |
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$this->code->append('}'); |
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} |
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/** |
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* @param string $className |
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* @return string |
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*/ |
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public function generate($className) |
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{ |
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$this->generateHeader($className); |
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$this->generateMatchMethod(); |
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$this->generateFooter(); |
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return (string)$this->code; |
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} |
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} |
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krzysztof-magosa /
saffron-php
