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<?php |
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namespace ConfigToken; |
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use ConfigToken\TreeSerializer\Types\IniTreeSerializer; |
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use ConfigToken\TreeSerializer\Types\JsonTreeSerializer; |
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use ConfigToken\TreeSerializer\Types\PhpTreeSerializer; |
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use ConfigToken\TreeSerializer\Types\XmlTreeSerializer; |
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use ConfigToken\TreeSerializer\Types\YmlTreeSerializer; |
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class FileUtils |
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{ |
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/** |
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* Normalizes the given path containing '.' and '..' while optionally restricting navigation above root folder. |
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* WARNING: The directory separator will be replaced. |
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* |
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* @param string $path The file path to be normalized. |
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* @param boolean|false $restrictToCurrent Above root restriction flag. |
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* @param string|null $directorySeparator The directory separator or null for system default. |
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* @return string |
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*/ |
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public static function normalizePath($path, $restrictToCurrent = false, $directorySeparator = null) |
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{ |
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if ($restrictToCurrent) { |
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$path = ltrim($path, '\/'); |
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} |
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$parts = array(); |
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$path = str_replace('\\', '/', $path); |
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$path = preg_replace('/\/+/', '/', $path); |
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$segments = explode('/', $path); |
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foreach ($segments as $segment) { |
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if ($segment == '.') { |
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continue; |
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} |
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$test = array_pop($parts); |
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if (is_null($test)) { |
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$parts[] = $segment; |
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continue; |
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} |
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if ($segment == '..') { |
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$testIsBack = $test == '..'; |
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if ($testIsBack) { |
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$parts[] = $test; |
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} |
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if ($testIsBack || empty($test)) { |
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$parts[] = $segment; |
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} |
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continue; |
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} |
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$parts[] = $test; |
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$parts[] = $segment; |
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} |
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if ($restrictToCurrent) { |
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reset($parts); |
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while ((!empty($parts)) && (current($parts) == '..')) { |
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array_shift($parts); |
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} |
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} |
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return implode(isset($directorySeparator) ? $directorySeparator : DIRECTORY_SEPARATOR, $parts); |
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} |
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/** |
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* Return the MIME content type from the given file name. |
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* |
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* @param string $fileName The file name. |
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* @param string $default The default MIME type to return for unknown extensions |
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* @return string |
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*/ |
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public static function getContentTypeFromFileName($fileName, $default = 'application/octet-stream') |
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{ |
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if (empty($fileName)) { |
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return $default; |
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} |
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$ext = pathinfo($fileName, PATHINFO_EXTENSION); |
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switch ($ext) { |
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case 'ini': |
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return IniTreeSerializer::getContentType(); |
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case 'json': |
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return JsonTreeSerializer::getContentType(); |
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case 'php': |
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return PhpTreeSerializer::getContentType(); |
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case 'xml': |
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return XmlTreeSerializer::getContentType(); |
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case 'yml': |
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return YmlTreeSerializer::getContentType(); |
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default: |
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return $default; |
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} |
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} |
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} |
liutec /
cfgtokenlib
