Encoder.hh

Go to the documentation of this file.

#ifndef avro_Encoder_hh__
#define avro_Encoder_hh__

#include <stdint.h>
#include <string>
#include <vector>

#include "ValidSchema.hh"
#include "Stream.hh"

#include <boost/shared_ptr.hpp>


namespace avro {

class Encoder {
public:
    virtual void init(OutputStream& os) = 0;

    virtual void flush() = 0;

    virtual void encodeNull() = 0;

    virtual void encodeBool(bool b) = 0;

    virtual void encodeInt(int32_t i) = 0;

    virtual void encodeLong(int64_t l) = 0;

    virtual void encodeFloat(float f) = 0;

    virtual void encodeDouble(double d) = 0;

    virtual void encodeString(const std::string& s) = 0;

    virtual void encodeBytes(const uint8_t *bytes, size_t len) = 0;

    void encodeBytes(const std::vector<uint8_t>& bytes) {
        encodeBytes(&bytes[0], bytes.size());
    }

    virtual void encodeFixed(const uint8_t *bytes, size_t len) = 0;

    void encodeFixed(const std::vector<uint8_t>& bytes) {
        encodeFixed(&bytes[0], bytes.size());
    }

    virtual void encodeEnum(size_t e) = 0;

    virtual void arrayStart() = 0;

    virtual void arrayEnd() = 0;

    virtual void mapStart() = 0;

    virtual void mapEnd() = 0;

    virtual void setItemCount(size_t count) = 0;

    virtual void startItem() = 0;

    virtual void encodeUnionIndex(size_t e) = 0;
};

typedef boost::shared_ptr<Encoder> EncoderPtr;

EncoderPtr binaryEncoder();

EncoderPtr validatingEncoder(const ValidSchema& schema,
    const EncoderPtr& base);

EncoderPtr jsonEncoder(const ValidSchema& schema);

}   // namespace avro

#endif