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<?php |
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namespace Karma\Configuration\Parser; |
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class GroupParser extends AbstractSectionParser |
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{ |
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private |
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$groups; |
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public function __construct() |
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{ |
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$this->groups = array(); |
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} |
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protected function parseLine($line) |
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{ |
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if($this->isACommentLine($line)) |
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{ |
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return true; |
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} |
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$line = trim($line); |
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if(preg_match('~(?P<groupName>[^=]+)\s*=\s*\[(?P<envList>[^\[\]]+)\]$~', $line, $matches)) |
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{ |
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return $this->processGroupDefinition($matches['groupName'], $matches['envList']); |
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} |
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$this->triggerError($line); |
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} |
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private function processGroupDefinition($groupName, $envList) |
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{ |
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$groupName = trim($groupName); |
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$this->checkGroupStillNotExists($groupName); |
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$environments = array_map('trim', explode(',', $envList)); |
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$this->checkEnvironmentAreUnique($groupName, $environments); |
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$this->groups[$groupName] = array(); |
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foreach($environments as $env) |
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{ |
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if(empty($env)) |
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{ |
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$this->triggerError("empty environment in declaration of group $groupName"); |
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} |
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$this->groups[$groupName][] = $env; |
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} |
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} |
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private function checkGroupStillNotExists($groupName) |
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{ |
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if(isset($this->groups[$groupName])) |
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{ |
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$this->triggerError("group $groupName has already been declared"); |
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} |
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} |
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private function checkEnvironmentAreUnique($groupName, array $environments) |
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{ |
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if($this->hasDuplicatedValues($environments)) |
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{ |
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$this->triggerError("duplicated environment in group $groupName"); |
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} |
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} |
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private function hasDuplicatedValues(array $values) |
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{ |
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$duplicatedValues = array_filter(array_count_values($values), function ($counter) { |
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return $counter !== 1; |
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}); |
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return empty($duplicatedValues) === false; |
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} |
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public function getCollectedGroups() |
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{ |
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return $this->groups; |
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} |
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public function postParse() |
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{ |
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$this->checkEnvironmentsBelongToOnlyOneGroup(); |
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$this->checkGroupsAreNotPartsOfAnotherGroups(); |
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} |
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private function checkEnvironmentsBelongToOnlyOneGroup() |
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{ |
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$allEnvironments = $this->getAllEnvironmentsBelongingToGroups(); |
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if($this->hasDuplicatedValues($allEnvironments)) |
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{ |
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throw new \RuntimeException('Error : some environments are in various groups'); |
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} |
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} |
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private function getAllEnvironmentsBelongingToGroups() |
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{ |
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$allEnvironments = array(); |
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foreach($this->groups as $group) |
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{ |
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$allEnvironments = array_merge($allEnvironments, $group); |
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} |
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return $allEnvironments; |
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} |
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private function checkGroupsAreNotPartsOfAnotherGroups() |
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{ |
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$allEnvironments = $this->getAllEnvironmentsBelongingToGroups(); |
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$errors = array_intersect($allEnvironments, array_keys($this->groups)); |
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if(! empty($errors)) |
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{ |
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throw new \RuntimeException(sprintf( |
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'Error : a group can not be part of another group (%s)', |
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implode(', ', $errors) |
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)); |
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} |
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} |
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} |
Niktux /
karma
