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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
*
* https://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.
*/
#include "Zigzag.hh"
namespace avro {
// TODO: The following two functions have exactly the same code except for the type.
// They should be implemented as a template.
size_t
encodeInt64(int64_t input, std::array<uint8_t, 10> &output) noexcept {
auto val = encodeZigzag64(input);
// put values in an array of bytes with variable length encoding
const int mask = 0x7F;
auto v = val & mask;
size_t bytesOut = 0;
while (val >>= 7) {
output[bytesOut++] = (v | 0x80);
v = val & mask;
}
output[bytesOut++] = v;
return bytesOut;
}
size_t
encodeInt32(int32_t input, std::array<uint8_t, 5> &output) noexcept {
auto val = encodeZigzag32(input);
// put values in an array of bytes with variable length encoding
const int mask = 0x7F;
auto v = val & mask;
size_t bytesOut = 0;
while (val >>= 7) {
output[bytesOut++] = (v | 0x80);
v = val & mask;
}
output[bytesOut++] = v;
return bytesOut;
}
} // namespace avro
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