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<?php |
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declare(strict_types=1); |
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namespace Squareetlabs\LaravelToon\Toon; |
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class Primitives |
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{ |
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public static function encode(mixed $value): string |
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{ |
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if (null === $value) { |
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return Constants::NULL_VALUE; |
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} |
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if (true === $value) { |
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return Constants::TRUE_VALUE; |
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} |
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if (false === $value) { |
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return Constants::FALSE_VALUE; |
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} |
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if (is_int($value)) { |
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return (string)$value; |
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} |
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if (is_float($value)) { |
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if (!is_finite($value)) { |
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return Constants::NULL_VALUE; |
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} |
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$formatted = sprintf('%.17G', $value); |
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return $formatted; |
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} |
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if (is_string($value)) { |
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return self::encodeString($value); |
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} |
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return ''; |
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} |
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private static function encodeString(string $value): string |
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{ |
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// No quotes needed for simple alphanumeric strings |
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if (self::needsQuoting($value)) { |
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return Constants::QUOTE_CHAR.self::escape($value).Constants::QUOTE_CHAR; |
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} |
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return $value; |
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} |
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private static function needsQuoting(string $value): bool |
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{ |
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if ('' === $value) { |
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return true; |
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} |
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// Reserved words |
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if (in_array($value, [Constants::NULL_VALUE, Constants::TRUE_VALUE, Constants::FALSE_VALUE], true)) { |
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return true; |
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} |
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// Numeric strings |
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if (is_numeric($value)) { |
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return true; |
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} |
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// Contains special characters |
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if (preg_match('/[\\s:,\[\]{}\-"\\\n\r\t]/', $value)) { |
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return true; |
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} |
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return false; |
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} |
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private static function escape(string $value): string |
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{ |
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$result = ''; |
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for ($i = 0; $i < strlen($value); ++$i) { |
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$char = $value[$i]; |
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if (in_array($char, Constants::ESCAPABLE_CHARS, true)) { |
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$result .= Constants::ESCAPE_CHAR.Constants::ESCAPE_MAP[$char]; |
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} else { |
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$result .= $char; |
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} |
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} |
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return $result; |
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} |
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public static function decode(string $value): mixed |
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{ |
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$value = trim($value); |
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if ('' === $value) { |
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return ''; |
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} |
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// Handle quoted strings |
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if (Constants::QUOTE_CHAR === $value[0]) { |
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return self::unquote($value); |
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} |
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// Handle null |
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if (Constants::NULL_VALUE === $value) { |
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return null; |
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} |
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// Handle booleans |
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if (Constants::TRUE_VALUE === $value) { |
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return true; |
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} |
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if (Constants::FALSE_VALUE === $value) { |
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return false; |
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} |
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// Handle numbers |
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if (is_numeric($value)) { |
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if (false !== strpos($value, '.')) { |
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return (float)$value; |
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} |
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return (int)$value; |
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} |
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return $value; |
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} |
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private static function unquote(string $value): string |
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{ |
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// Remove surrounding quotes |
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$value = substr($value, 1, -1); |
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if (null === $value) { |
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return ''; |
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} |
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// Unescape characters |
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$result = ''; |
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$i = 0; |
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while ($i < strlen($value)) { |
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if (Constants::ESCAPE_CHAR === $value[$i] && $i + 1 < strlen($value)) { |
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$nextChar = $value[$i + 1]; |
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if (isset(Constants::UNESCAPE_MAP[$nextChar])) { |
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$result .= Constants::UNESCAPE_MAP[$nextChar]; |
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$i += 2; |
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} else { |
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$result .= $value[$i]; |
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++$i; |
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} |
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} else { |
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$result .= $value[$i]; |
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++$i; |
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} |
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} |
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return $result; |
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} |
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} |
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squareetlabs /
LaravelToon
