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| 1 | <?php |
| 2 | /** |
| 3 | * Jingga |
| 4 | * |
| 5 | * PHP Version 8.1 |
| 6 | * |
| 7 | * @package phpOMS\Contract |
| 8 | * @copyright Dennis Eichhorn |
| 9 | * @license OMS License 2.0 |
| 10 | * @version 1.0.0 |
| 11 | * @link https://jingga.app |
| 12 | */ |
| 13 | declare(strict_types=1); |
| 14 | |
| 15 | namespace phpOMS\Contract; |
| 16 | |
| 17 | /** |
| 18 | * Make a class streamable. |
| 19 | * |
| 20 | * @package phpOMS\Contract |
| 21 | * @license OMS License 2.0 |
| 22 | * @link https://jingga.app |
| 23 | * @since 1.0.0 |
| 24 | */ |
| 25 | interface StreamInterface |
| 26 | { |
| 27 | /** |
| 28 | * Convert the stream to a string if the stream is readable and the stream is seekable. |
| 29 | * |
| 30 | * @return string |
| 31 | * |
| 32 | * @since 1.0.0 |
| 33 | */ |
| 34 | public function __toString(); |
| 35 | |
| 36 | /** |
| 37 | * Close the underlying stream |
| 38 | * |
| 39 | * @return void |
| 40 | * |
| 41 | * @since 1.0.0 |
| 42 | */ |
| 43 | public function close() : void; |
| 44 | |
| 45 | /** |
| 46 | * Get stream metadata |
| 47 | * |
| 48 | * @param string $key Specific metadata to retrieve |
| 49 | * |
| 50 | * @return array|mixed|null |
| 51 | * |
| 52 | * @since 1.0.0 |
| 53 | */ |
| 54 | public function getMetaData(string $key = null); |
| 55 | |
| 56 | /** |
| 57 | * Get the stream resource |
| 58 | * |
| 59 | * @return resource |
| 60 | * |
| 61 | * @since 1.0.0 |
| 62 | */ |
| 63 | public function getStream(); |
| 64 | |
| 65 | /** |
| 66 | * Set the stream that is wrapped by the object |
| 67 | * |
| 68 | * @param resource $stream Stream resource to wrap |
| 69 | * @param null|int $size Size of the stream in bytes. Only pass if the size cannot be obtained from the stream. |
| 70 | * |
| 71 | * @return self |
| 72 | * |
| 73 | * @since 1.0.0 |
| 74 | */ |
| 75 | public function setStream($stream, int $size = null) : self; |
| 76 | |
| 77 | /** |
| 78 | * Detach the current stream resource |
| 79 | * |
| 80 | * @return self |
| 81 | * |
| 82 | * @since 1.0.0 |
| 83 | */ |
| 84 | public function detachStream() : self; |
| 85 | |
| 86 | /** |
| 87 | * Get the stream wrapper type |
| 88 | * |
| 89 | * @return string |
| 90 | * |
| 91 | * @since 1.0.0 |
| 92 | */ |
| 93 | public function getWrapper() : string; |
| 94 | |
| 95 | /** |
| 96 | * Wrapper specific data attached to this stream. |
| 97 | * |
| 98 | * @return array |
| 99 | * |
| 100 | * @since 1.0.0 |
| 101 | */ |
| 102 | public function getWrapperData() : array; |
| 103 | |
| 104 | /** |
| 105 | * Get a label describing the underlying implementation of the stream |
| 106 | * |
| 107 | * @return string |
| 108 | * |
| 109 | * @since 1.0.0 |
| 110 | */ |
| 111 | public function getStreamType() : string; |
| 112 | |
| 113 | /** |
| 114 | * Get the URI/filename associated with this stream |
| 115 | * |
| 116 | * @return string |
| 117 | * |
| 118 | * @since 1.0.0 |
| 119 | */ |
| 120 | public function getUri() : string; |
| 121 | |
| 122 | /** |
| 123 | * Get the size of the stream if able |
| 124 | * |
| 125 | * @return int |
| 126 | * |
| 127 | * @since 1.0.0 |
| 128 | */ |
| 129 | public function getSize() : int; |
| 130 | |
| 131 | /** |
| 132 | * Check if the stream is readable |
| 133 | * |
| 134 | * @return bool |
| 135 | * |
| 136 | * @since 1.0.0 |
| 137 | */ |
| 138 | public function isReadable() : bool; |
| 139 | |
| 140 | /** |
| 141 | * Check if the stream is repeatable |
| 142 | * |
| 143 | * @return bool |
| 144 | * |
| 145 | * @since 1.0.0 |
| 146 | */ |
| 147 | public function isRepeatable() : bool; |
| 148 | |
| 149 | /** |
| 150 | * Check if the stream is writable |
| 151 | * |
| 152 | * @return bool |
| 153 | * |
| 154 | * @since 1.0.0 |
| 155 | */ |
| 156 | public function isWritable() : bool; |
| 157 | |
| 158 | /** |
| 159 | * Check if the stream has been consumed |
| 160 | * |
| 161 | * @return bool |
| 162 | * |
| 163 | * @since 1.0.0 |
| 164 | */ |
| 165 | public function isConsumed() : bool; |
| 166 | |
| 167 | /** |
| 168 | * Alias of isConsumed |
| 169 | * |
| 170 | * @return bool |
| 171 | * |
| 172 | * @since 1.0.0 |
| 173 | */ |
| 174 | public function feof() : bool; |
| 175 | |
| 176 | /** |
| 177 | * Check if the stream is a local stream vs a remote stream |
| 178 | * |
| 179 | * @return bool |
| 180 | * |
| 181 | * @since 1.0.0 |
| 182 | */ |
| 183 | public function isLocal() : bool; |
| 184 | |
| 185 | /** |
| 186 | * Check if the string is repeatable |
| 187 | * |
| 188 | * @return bool |
| 189 | * |
| 190 | * @since 1.0.0 |
| 191 | */ |
| 192 | public function isSeekable() : bool; |
| 193 | |
| 194 | /** |
| 195 | * Specify the size of the stream in bytes |
| 196 | * |
| 197 | * @param int $size Size of the stream contents in bytes |
| 198 | * |
| 199 | * @return self |
| 200 | * |
| 201 | * @since 1.0.0 |
| 202 | */ |
| 203 | public function setSize(int $size) : self; |
| 204 | |
| 205 | /** |
| 206 | * Seek to a position in the stream |
| 207 | * |
| 208 | * @param int $offset Stream offset |
| 209 | * @param int $whence Where the offset is applied |
| 210 | * |
| 211 | * @return bool Returns TRUE on success or FALSE on failure |
| 212 | * @link http://www.php.net/manual/en/function.fseek.php |
| 213 | * |
| 214 | * @since 1.0.0 |
| 215 | */ |
| 216 | public function seek(int $offset, int $whence = \SEEK_SET) : bool; |
| 217 | |
| 218 | /** |
| 219 | * Read data from the stream |
| 220 | * |
| 221 | * @param int $length up to length number of bytes read |
| 222 | * |
| 223 | * @return string Returns the data read from the stream or FALSE on failure or EOF |
| 224 | * |
| 225 | * @since 1.0.0 |
| 226 | */ |
| 227 | public function read(int $length) : ?string; |
| 228 | |
| 229 | /** |
| 230 | * Write data to the stream |
| 231 | * |
| 232 | * @param string $string the string that is to be written |
| 233 | * |
| 234 | * @return int returns the number of bytes written to the stream on success or FALSE on failure |
| 235 | * |
| 236 | * @since 1.0.0 |
| 237 | */ |
| 238 | public function write(string $string) : int; |
| 239 | |
| 240 | /** |
| 241 | * Returns the current position of the file read/write pointer |
| 242 | * |
| 243 | * @return int Returns the position of the file pointer or false on error |
| 244 | * |
| 245 | * @since 1.0.0 |
| 246 | */ |
| 247 | public function ftell() : int; |
| 248 | |
| 249 | /** |
| 250 | * Rewind to the beginning of the stream |
| 251 | * |
| 252 | * @return bool Returns true on success or false on failure |
| 253 | * |
| 254 | * @since 1.0.0 |
| 255 | */ |
| 256 | public function rewind() : bool; |
| 257 | |
| 258 | /** |
| 259 | * Read a line from the stream up to the maximum allowed buffer length |
| 260 | * |
| 261 | * @param int $maxLength Maximum buffer length |
| 262 | * |
| 263 | * @return string |
| 264 | * |
| 265 | * @since 1.0.0 |
| 266 | */ |
| 267 | public function readLine(int $maxLength = null) : ?string; |
| 268 | |
| 269 | /** |
| 270 | * Set custom data on the stream |
| 271 | * |
| 272 | * @param string $key Key to set |
| 273 | * @param mixed $value Value to set |
| 274 | * |
| 275 | * @return self |
| 276 | * |
| 277 | * @since 1.0.0 |
| 278 | */ |
| 279 | public function setCustomData(string $key, mixed $value) : self; |
| 280 | |
| 281 | /** |
| 282 | * Get custom data from the stream |
| 283 | * |
| 284 | * @param string $key Key to retrieve |
| 285 | * |
| 286 | * @return null|mixed |
| 287 | * |
| 288 | * @since 1.0.0 |
| 289 | */ |
| 290 | public function getCustomData(string $key); |
| 291 | } |