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<?php |
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/** |
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* Yii 2 config loader. |
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* |
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* @see https://github.com/sergeymakinen/yii2-config |
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* @copyright Copyright (c) 2016 Sergey Makinen (https://makinen.ru) |
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* @license https://github.com/sergeymakinen/yii2-config/blob/master/LICENSE The MIT License |
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*/ |
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namespace sergeymakinen\config; |
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use yii\base\InvalidValueException; |
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use yii\helpers\StringHelper; |
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/** |
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* PHP bootstrap config loader. |
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*/ |
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class PhpBootstrapLoader extends Loader |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function compile() |
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{ |
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foreach ($this->resolveFiles() as $file) { |
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$contents = $this->getPurePhp(file_get_contents($file)); |
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if ($contents === false) { |
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throw new InvalidValueException("The '{$file}' file is not a pure PHP file."); |
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} |
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$this->storage->bootstrap[] = $contents; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load() |
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{ |
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foreach ($this->resolveFiles() as $file) { |
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/** @noinspection PhpIncludeInspection */ |
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require_once $file; |
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} |
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} |
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/** |
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* Returns a pure PHP code from the input string or false if the string is not a pure PHP file. |
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* |
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* @param string $contents |
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* |
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* @return string|false |
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* @since 1.1 |
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*/ |
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protected function getPurePhp($contents) |
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{ |
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$tokens = token_get_all($contents); |
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$tokenCount = count($tokens); |
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if ( |
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$tokenCount === 0 |
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|| $this->isDesiredToken($tokens[0], [T_INLINE_HTML, T_OPEN_TAG_WITH_ECHO]) |
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|| $this->isDesiredToken($tokens[$tokenCount - 1], T_INLINE_HTML) |
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) { |
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return false; |
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} |
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for ($index = 1; $index < $tokenCount; $index++) { |
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if ($this->isDesiredToken($tokens[$index], [T_INLINE_HTML, T_OPEN_TAG, T_OPEN_TAG_WITH_ECHO])) { |
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return false; |
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} |
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} |
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if ($this->isDesiredToken($tokens[$tokenCount - 1], T_CLOSE_TAG)) { |
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$contents = StringHelper::byteSubstr($contents, 0, -1 * StringHelper::byteLength($tokens[$tokenCount - 1][1])); |
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} |
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return trim(StringHelper::byteSubstr($contents, StringHelper::byteLength($tokens[0][1]))); |
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} |
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/** |
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* Returns whether the token is of a desired type. |
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* |
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* @param array|string $token |
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* @param int|int[] $type |
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* |
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* @return bool |
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*/ |
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private function isDesiredToken($token, $type) |
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{ |
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if (is_array($token) && in_array($token[0], (array) $type, true)) { |
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return true; |
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} else { |
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return false; |
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} |
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} |
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} |
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sergeymakinen /
yii2-config
