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Putting data results in writing the compressed/decompressed output into a RingBuffer. You can retrieve the content of the RingBuffer via get_data. Support both gzip and deflate.
43 lines
2.4 KiB
XML
43 lines
2.4 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="StreamPeerGZIP" inherits="StreamPeer" is_experimental="true" version="4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Stream peer handling GZIP and deflate compression/decompresison.
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</brief_description>
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<description>
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This class allows to compress or decompress data using GZIP/deflate in a streaming fashion. This is particularly useful when compressing or decompressing files that has to be sent through the network without having to allocate them all in memory.
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After starting the stream via [method start_compression] (or [method start_decompression]), calling [method StreamPeer.put_partial_data] on this stream will compress (or decompress) the data, writing it to the internal buffer. Calling [method StreamPeer.get_available_bytes] will return the pending bytes in the internal buffer, and [method StreamPeer.get_partial_data] will retrieve the compressed (or decompressed) bytes from it. When the stream is over, you must call [method finish] to ensure the internal buffer is properly flushed (make sure to call [method StreamPeer.get_available_bytes] on last time to check if more data needs to be read after that).
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="clear">
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<return type="void" />
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<description>
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Clears this stream, resetting the internal state.
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</description>
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</method>
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<method name="finish">
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<return type="int" enum="Error" />
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<description>
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Finalizes the stream, compressing or decompressing any buffered chunk left.
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</description>
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</method>
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<method name="start_compression">
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<return type="int" enum="Error" />
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<param index="0" name="use_deflate" type="bool" default="false" />
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<param index="1" name="buffer_size" type="int" default="65535" />
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<description>
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Start the stream in compression mode with the given [param buffer_size], if [param use_deflate] is [code]true[/code] uses deflate instead of GZIP.
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</description>
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</method>
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<method name="start_decompression">
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<return type="int" enum="Error" />
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<param index="0" name="use_deflate" type="bool" default="false" />
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<param index="1" name="buffer_size" type="int" default="65535" />
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<description>
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Start the stream in decompression mode with the given [param buffer_size], if [param use_deflate] is [code]true[/code] uses deflate instead of GZIP.
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</description>
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</method>
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</methods>
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</class>
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