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| 1 | <?php |
| 2 | |
| 3 | namespace Attestto\SolanaPhpSdk\Borsh; |
| 4 | |
| 5 | use Attestto\SolanaPhpSdk\Exceptions\TodoException; |
| 6 | use Attestto\SolanaPhpSdk\Util\Buffer; |
| 7 | use Closure; |
| 8 | |
| 9 | class BinaryWriter |
| 10 | { |
| 11 | protected Buffer $buffer; |
| 12 | protected int $length; |
| 13 | |
| 14 | public function __construct() |
| 15 | { |
| 16 | $this->buffer = Buffer::from(); |
| 17 | $this->length = 0; |
| 18 | } |
| 19 | |
| 20 | /** |
| 21 | * @param int $value |
| 22 | * @return $this |
| 23 | */ |
| 24 | public function writeU8(int $value) |
| 25 | { |
| 26 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_BYTE, false)); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * @param int $value |
| 31 | * @return $this |
| 32 | */ |
| 33 | public function writeU16(int $value) |
| 34 | { |
| 35 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_SHORT, false)); |
| 36 | } |
| 37 | |
| 38 | /** |
| 39 | * @param int $value |
| 40 | * @return $this |
| 41 | */ |
| 42 | public function writeU32(int $value) |
| 43 | { |
| 44 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_INT, false)); |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * @param int $value |
| 49 | * @return $this |
| 50 | */ |
| 51 | public function writeU64(int $value) |
| 52 | { |
| 53 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_LONG, false)); |
| 54 | } |
| 55 | |
| 56 | /** |
| 57 | * @param int $value |
| 58 | * @return $this |
| 59 | */ |
| 60 | public function writeI8(int $value) |
| 61 | { |
| 62 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_BYTE, true)); |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * @param int $value |
| 67 | * @return $this |
| 68 | */ |
| 69 | public function writeI16(int $value) |
| 70 | { |
| 71 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_SHORT, true)); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * @param int $value |
| 76 | * @return $this |
| 77 | */ |
| 78 | public function writeI32(int $value) |
| 79 | { |
| 80 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_INT, true)); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * @param int $value |
| 85 | * @return $this |
| 86 | */ |
| 87 | public function writeI64(int $value) |
| 88 | { |
| 89 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_LONG, true)); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * @param float $value |
| 94 | * @return $this |
| 95 | */ |
| 96 | public function writeF32(float $value) |
| 97 | { |
| 98 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_FLOAT, true)->fixed(4)); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * @param float $value |
| 103 | * @return $this |
| 104 | */ |
| 105 | public function writeF64(float $value) |
| 106 | { |
| 107 | return $this->writeBuffer(Buffer::from($value, Buffer::TYPE_FLOAT, true)->fixed(8)); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * @param string $value |
| 112 | * @return $this |
| 113 | */ |
| 114 | public function writeString(string $value) |
| 115 | { |
| 116 | $valueBuffer = Buffer::from($value); |
| 117 | $this->writeU32(sizeof($valueBuffer)); |
| 118 | $this->writeBuffer($valueBuffer); |
| 119 | return $this; |
| 120 | } |
| 121 | |
| 122 | /** |
| 123 | * @param array $array |
| 124 | * @return $this |
| 125 | */ |
| 126 | public function writeFixedArray(array $array) |
| 127 | { |
| 128 | $this->writeBuffer(Buffer::from($array)); |
| 129 | return $this; |
| 130 | } |
| 131 | |
| 132 | /** |
| 133 | * @param array $array |
| 134 | * @return $this |
| 135 | */ |
| 136 | public function writeArray(array $array, Closure $writeFn) |
| 137 | { |
| 138 | $this->writeU32(sizeof($array)); |
| 139 | foreach ($array as $item) { |
| 140 | $writeFn($item); |
| 141 | } |
| 142 | return $this; |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * @param Buffer $buffer |
| 147 | * @return $this |
| 148 | */ |
| 149 | protected function writeBuffer(Buffer $buffer) |
| 150 | { |
| 151 | $this->buffer->push($buffer); |
| 152 | $this->length += sizeof($buffer); |
| 153 | return $this; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * @return array |
| 158 | */ |
| 159 | public function toArray() |
| 160 | { |
| 161 | return $this->buffer->slice(0, $this->length)->toArray(); |
| 162 | } |
| 163 | } |