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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at */
namespace mozilla {
namespace safebrowsing {
class RiceDeltaDecoder {
// This decoder is tailored for safebrowsing v4, including the
// bit reading order and how the remainder part is interpreted.
// The caller just needs to feed the byte stream received from
// network directly. Note that the input buffer must be mutable
// since the decoder will do some pre-processing before decoding.
RiceDeltaDecoder(uint8_t* aEncodedData, size_t aEncodedDataSize);
// @param aNumEntries The number of values to be decoded, not including
// the first value.
// @param aDecodedData A pre-allocated output buffer. Note that
// aDecodedData[0] will be filled with |aFirstValue|
// and the buffer length (in byte) should be
// ((aNumEntries + 1) * sizeof(uint32_t)).
bool Decode(uint32_t aRiceParameter, uint32_t aFirstValue,
uint32_t aNumEntries, uint32_t* aDecodedData);
uint8_t* mEncodedData;
size_t mEncodedDataSize;
} // namespace safebrowsing
} // namespace mozilla