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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 "Encoder.hh"
#include "Zigzag.hh"
#include <array>
namespace avro {
using std::make_shared;
class BinaryEncoder : public Encoder {
StreamWriter out_;
void init(OutputStream &os) final;
void flush() final;
int64_t byteCount() const final;
void encodeNull() final;
void encodeBool(bool b) final;
void encodeInt(int32_t i) final;
void encodeLong(int64_t l) final;
void encodeFloat(float f) final;
void encodeDouble(double d) final;
void encodeString(const std::string &s) final;
void encodeBytes(const uint8_t *bytes, size_t len) final;
void encodeFixed(const uint8_t *bytes, size_t len) final;
void encodeEnum(size_t e) final;
void arrayStart() final;
void arrayEnd() final;
void mapStart() final;
void mapEnd() final;
void setItemCount(size_t count) final;
void startItem() final;
void encodeUnionIndex(size_t e) final;
void doEncodeLong(int64_t l);
};
EncoderPtr binaryEncoder() {
return make_shared<BinaryEncoder>();
}
void BinaryEncoder::init(OutputStream &os) {
out_.reset(os);
}
void BinaryEncoder::flush() {
out_.flush();
}
void BinaryEncoder::encodeNull() {
}
void BinaryEncoder::encodeBool(bool b) {
out_.write(b ? 1 : 0);
}
void BinaryEncoder::encodeInt(int32_t i) {
doEncodeLong(i);
}
void BinaryEncoder::encodeLong(int64_t l) {
doEncodeLong(l);
}
void BinaryEncoder::encodeFloat(float f) {
const auto *p = reinterpret_cast<const uint8_t *>(&f);
out_.writeBytes(p, sizeof(float));
}
void BinaryEncoder::encodeDouble(double d) {
const auto *p = reinterpret_cast<const uint8_t *>(&d);
out_.writeBytes(p, sizeof(double));
}
void BinaryEncoder::encodeString(const std::string &s) {
doEncodeLong(s.size());
out_.writeBytes(reinterpret_cast<const uint8_t *>(s.c_str()), s.size());
}
void BinaryEncoder::encodeBytes(const uint8_t *bytes, size_t len) {
doEncodeLong(len);
out_.writeBytes(bytes, len);
}
void BinaryEncoder::encodeFixed(const uint8_t *bytes, size_t len) {
out_.writeBytes(bytes, len);
}
void BinaryEncoder::encodeEnum(size_t e) {
doEncodeLong(e);
}
void BinaryEncoder::arrayStart() {
}
void BinaryEncoder::arrayEnd() {
doEncodeLong(0);
}
void BinaryEncoder::mapStart() {
}
void BinaryEncoder::mapEnd() {
doEncodeLong(0);
}
void BinaryEncoder::setItemCount(size_t count) {
if (count == 0) {
throw Exception("Count cannot be zero");
}
doEncodeLong(count);
}
void BinaryEncoder::startItem() {
}
void BinaryEncoder::encodeUnionIndex(size_t e) {
doEncodeLong(e);
}
int64_t BinaryEncoder::byteCount() const {
return out_.byteCount();
}
void BinaryEncoder::doEncodeLong(int64_t l) {
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init)
std::array<uint8_t, 10> bytes;
auto size = encodeInt64(l, bytes);
out_.writeBytes(bytes.data(), size);
}
} // namespace avro
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