deflate.Compressor
Object → deflate.Compressor with deflate.Stream
The DEFLATE stream compressor object.
Constructor
deflate.Compressor(options: deflate.Options?): deflate.CompressorMethods
flush | Compresses all input, writes the last block and returns the compressed data. |
reset | Drops all input and output, the next update starts a new stream with the same options. |
update | Adds the string to the stream. |
#Compressor:flush
function deflate.Compressor:flush(): stringCompresses all input, writes the last block and returns the compressed data.
The stream is reset after this, so the compressor can be used for the next stream.
Returns
| Type | Name | Description |
|---|---|---|
string | compressed_data |
#Compressor:reset
function deflate.Compressor:reset(): deflate.CompressorDrops all input and output, the next update starts a new stream with the same options.
Returns
| Type | Name | Description |
|---|---|---|
deflate.Compressor | self |
#Compressor:update
function deflate.Compressor:update(raw_data: string): deflate.CompressorAdds the string to the stream.
Input is compressed in parts of at least 32768 bytes, the last 258 bytes always wait for more input, since a match can continue into it.
The output is the same as deflate.compress of all input, unless another stream or deflate.compress is used between the updates, then the unfinished block is written early, which costs a few bytes.
Parameters
| Name | Type | Description |
|---|---|---|
raw_data | string | The string to add. |
Returns
| Type | Name | Description |
|---|---|---|
deflate.Compressor | self |