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/**
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file GzipInflateTransformation.h
* @brief Gzip Inflate Transformation can be used to decompress gzipped content.
*/
#pragma once
#include <string_view>
#include "tscpp/api/TransformationPlugin.h"
namespace atscppapi
{
namespace transformations
{
/**
* Internal state for Inflate Transformations
* @private
*/
struct GzipInflateTransformationState;
/**
* @brief A TransformationPlugin to easily add gzip inflate to your TransformationPlugin chain.
*
* The GzipInflateTransformation is a helper transformation that can be used
* to easily decompress gzipped content. For a full example of GzipInflateTransformation
* and GzipDeflateTransformation see example/cppapi/gzip_transformation/.
*
* @note GzipDeflateTransformation DOES NOT set or check Content-Encoding headers, it is the
* users responsibility to set any applicable headers and check that the content is actually
* gzipped by checking the Content-Encoding header before creating a GzipInflateTransformation,
* see example/cppapi/gzip_transformation/ for a full example.
*
* @see GzipDeflateTransformation
*/
class GzipInflateTransformation : public TransformationPlugin
{
public:
/**
* A full example of how to use GzipInflateTransformation and GzipDeflateTransformation is available
* in example/cppapi/gzip_transformation/.
*
* @param transaction As with any TransformationPlugin you must pass in the transaction
* @param type because the GzipInflateTransformation can be used with both requests and responses
* you must specify the Type.
*
* @see TransformationPlugin::Type
*/
GzipInflateTransformation(Transaction &transaction, TransformationPlugin::Type type);
/**
* Any TransformationPlugin must implement consume(), this method will take content
* from the transformation chain and gzip decompress it.
*
* @param data the input data to decompress
*/
void consume(std::string_view) override;
/**
* Any TransformationPlugin must implement handleInputComplete(), this method will
* finalize the gzip decompression.
*/
void handleInputComplete() override;
~GzipInflateTransformation() override;
private:
GzipInflateTransformationState *state_; /** Internal state for Gzip Deflate Transformations */
};
} // namespace transformations
} // namespace atscppapi
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