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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.
*/
#ifndef avro_Parser_hh__
#define avro_Parser_hh__
#include "Config.hh"
#include "Reader.hh"
#include <array>
namespace avro {
///
/// Class that wraps a reader or ValidatingReade with an interface that uses
/// explicit get* names instead of getValue
///
template<class Reader>
class Parser : private boost::noncopyable
{
public:
// Constructor only works with Writer
explicit Parser(const InputBuffer &in) :
reader_(in)
{}
/// Constructor only works with ValidatingWriter
Parser(const ValidSchema &schema, const InputBuffer &in) :
reader_(schema, in)
{}
void readNull() {
Null null;
reader_.readValue(null);
}
bool readBool() {
bool val;
reader_.readValue(val);
return val;
}
int32_t readInt() {
int32_t val;
reader_.readValue(val);
return val;
}
int64_t readLong() {
int64_t val;
reader_.readValue(val);
return val;
}
float readFloat() {
float val;
reader_.readValue(val);
return val;
}
double readDouble() {
double val;
reader_.readValue(val);
return val;
}
void readString(std::string &val) {
reader_.readValue(val);
}
void readBytes(std::vector<uint8_t> &val) {
reader_.readBytes(val);
}
template <size_t N>
void readFixed(uint8_t (&val)[N]) {
reader_.readFixed(val);
}
template<size_t N>
void readFixed(std::array<uint8_t, N> &val) {
reader_.readFixed(val);
}
void readRecord() {
reader_.readRecord();
}
void readRecordEnd() {
reader_.readRecordEnd();
}
int64_t readArrayBlockSize() {
return reader_.readArrayBlockSize();
}
int64_t readUnion() {
return reader_.readUnion();
}
int64_t readEnum() {
return reader_.readEnum();
}
int64_t readMapBlockSize() {
return reader_.readMapBlockSize();
}
private:
friend Type nextType(Parser<ValidatingReader> &p);
friend bool currentRecordName(Parser<ValidatingReader> &p, std::string &name);
friend bool nextFieldName(Parser<ValidatingReader> &p, std::string &name);
Reader reader_;
};
inline Type nextType(Parser<ValidatingReader> &p) {
return p.reader_.nextType();
}
inline bool currentRecordName(Parser<ValidatingReader> &p, std::string &name) {
return p.reader_.currentRecordName(name);
}
inline bool nextFieldName(Parser<ValidatingReader> &p, std::string &name) {
return p.reader_.nextFieldName(name);
}
} // namespace avro
#endif
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