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<?php |
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namespace Knik\Binn\Encoder; |
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class Packer |
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{ |
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public static function packUint64(int $value): string |
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{ |
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return pack("J", $value); |
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} |
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public static function packUint32(int $value): string |
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{ |
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return pack("N", $value); |
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} |
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public static function packUint16(int $value): string |
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{ |
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return pack("n", $value); |
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} |
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public static function packUint8(int $value): string |
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{ |
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return pack("C", $value); |
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} |
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public static function packInt64(int $value): string |
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{ |
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return strrev(pack("q", $value)); |
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} |
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public static function packInt32(int $value): string |
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{ |
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return strrev(pack("i", $value)); |
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} |
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public static function packInt16(int $value): string |
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{ |
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return strrev(pack("s", $value)); |
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} |
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public static function packInt8(int $value): string |
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{ |
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return pack("c", $value); |
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} |
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public static function packFloat32(float $value): string |
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{ |
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return pack("f", $value); |
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} |
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public static function packFloat64(float $value): string |
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{ |
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return pack("e", $value); |
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} |
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public static function packString(string $value): string |
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{ |
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return pack("a*", $value); |
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} |
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public static function packSize(int $size, bool $totalSize = false): string |
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{ |
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$sz = $size; |
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if ($totalSize) { |
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$sz++; |
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} |
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if ($sz <= 127) { |
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return self::packUint8($sz); |
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} |
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if ($totalSize) { |
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$sz += 3; |
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} |
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return self::packSize32($sz); |
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} |
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public static function packSize32($size = 0): string |
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{ |
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$sizeWithBit = $size | (1 << 31); |
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return self::packUint32($sizeWithBit); |
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} |
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public static function packNull(): string |
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{ |
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return "\x00"; |
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} |
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} |
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et-nik /
binn-php
