text: /*
   * 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
   *
   *   http://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 _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_
  #define _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_ 1
  
  #include <thrift/lib/cpp/protocol/TProtocol.h>
  
  namespace apache { namespace thrift { namespace protocol {
  
  /**
   * Helper class that provides default implementations of TProtocol methods.
   *
   * This class provides default implementations of the non-virtual TProtocol
   * methods.  It exists primarily so TVirtualProtocol can derive from it.  It
   * prevents TVirtualProtocol methods from causing infinite recursion if the
   * non-virtual methods are not overridden by the TVirtualProtocol subclass.
   *
   * You probably don't want to use this class directly.  Use TVirtualProtocol
   * instead.
   */
  class TProtocolDefaults : public TProtocol {
   public:
    void setVersion(const int8_t version) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support setVersion (yet)");
    }
  
    ::apache::thrift::reflection::Schema * getSchema() {
      return nullptr;
    }
  
    uint32_t readMessageBegin(std::string& name,
                              TMessageType& messageType,
                              int32_t& seqid) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readMessageEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    void setNextStructType(uint64_t reflection_id) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
          "this protocol does not support setting struct type (yet).");
    }
  
    uint32_t readStructBegin(std::string& name) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readStructEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readFieldBegin(std::string& name,
                            TType& fieldType,
                            int16_t& fieldId) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readFieldEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readMapBegin(TType& keyType, TType& valType, uint32_t& size,
                          bool& sizeUnknown) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    bool peekMap() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support peeking (yet).");
    }
  
    uint32_t readMapEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readListBegin(TType& elemType, uint32_t& size, bool& sizeUnknown) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    bool peekList() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support peeking (yet).");
    }
  
    uint32_t readListEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readSetBegin(TType& elemType, uint32_t& size, bool& sizeUnknown) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    bool peekSet() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support peeking (yet).");
    }
  
    uint32_t readSetEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readBool(bool& value) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readBool(std::vector<bool>::reference value) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readByte(int8_t& byte) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readI16(int16_t& i16) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readI32(int32_t& i32) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readI64(int64_t& i64) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readDouble(double& dub) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readFloat(float& flt) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readString(std::string& str) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t readBinary(std::string& str) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support reading (yet).");
    }
  
    uint32_t writeMessageBegin(const std::string& name,
                               const TMessageType messageType,
                               const int32_t seqid) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeMessageEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
  
    uint32_t writeStructBegin(const char* name) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeStructEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeFieldBegin(const char* name,
                             const TType fieldType,
                             const int16_t fieldId) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeFieldEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeFieldStop() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeMapBegin(const TType keyType,
                           const TType valType,
                           const uint32_t size) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeMapEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeListBegin(const TType elemType, const uint32_t size) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeListEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeSetBegin(const TType elemType, const uint32_t size) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeSetEnd() {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeBool(const bool value) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeByte(const int8_t byte) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeI16(const int16_t i16) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeI32(const int32_t i32) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeI64(const int64_t i64) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeDouble(const double dub) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeFloat(const float flt) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeString(const std::string& str) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t writeBinary(const std::string& str) {
      throw TProtocolException(TProtocolException::NOT_IMPLEMENTED,
                               "this protocol does not support writing (yet).");
    }
  
    uint32_t skip(TType type) {
      return ::apache::thrift::protocol::skip(*this, type);
    }
  
   protected:
    TProtocolDefaults(const std::shared_ptr<transport::TTransport>& ptrans)
      : TProtocol(ptrans)
    {}
  
    TProtocolDefaults(transport::TTransport* ptrans)
      : TProtocol(ptrans)
    {}
  };
  
  /**
   * Concrete TProtocol classes should inherit from TVirtualProtocol
   * so they don't have to manually override virtual methods.
   *
   * @author David Reiss <dreiss@facebook.com>
   */
  template <class Protocol_, class Super_=TProtocolDefaults>
  class TVirtualProtocol : public Super_ {
   public:
    void setVersion_virt(const int8_t version) override {
      return static_cast<Protocol_*>(this)->setVersion(version);
    }
  
    ::apache::thrift::reflection::Schema* getSchema_virt() override {
      return static_cast<Protocol_*>(this)->getSchema();
    }
  
    /**
     * Writing functions.
     */
  
    uint32_t writeMessageBegin_virt(const std::string& name,
                                    const TMessageType messageType,
                                    const int32_t seqid) override {
      return static_cast<Protocol_*>(this)->writeMessageBegin(name, messageType,
                                                              seqid);
    }
  
    uint32_t writeMessageEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeMessageEnd();
    }
  
    uint32_t writeStructBegin_virt(const char* name) override {
      return static_cast<Protocol_*>(this)->writeStructBegin(name);
    }
  
    uint32_t writeStructEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeStructEnd();
    }
  
    uint32_t writeFieldBegin_virt(const char* name,
                                  const TType fieldType,
                                  const int16_t fieldId) override {
      return static_cast<Protocol_*>(this)->writeFieldBegin(name, fieldType,
                                                            fieldId);
    }
  
    uint32_t writeFieldEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeFieldEnd();
    }
  
    uint32_t writeFieldStop_virt() override {
      return static_cast<Protocol_*>(this)->writeFieldStop();
    }
  
    uint32_t writeMapBegin_virt(const TType keyType,
                                const TType valType,
                                const uint32_t size) override {
      return static_cast<Protocol_*>(this)->writeMapBegin(keyType, valType, size);
    }
  
    uint32_t writeMapEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeMapEnd();
    }
  
    uint32_t writeListBegin_virt(const TType elemType,
                                 const uint32_t size) override {
      return static_cast<Protocol_*>(this)->writeListBegin(elemType, size);
    }
  
    uint32_t writeListEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeListEnd();
    }
  
    uint32_t writeSetBegin_virt(const TType elemType,
                                const uint32_t size) override {
      return static_cast<Protocol_*>(this)->writeSetBegin(elemType, size);
    }
  
    uint32_t writeSetEnd_virt() override {
      return static_cast<Protocol_*>(this)->writeSetEnd();
    }
  
    uint32_t writeBool_virt(const bool value) override {
      return static_cast<Protocol_*>(this)->writeBool(value);
    }
  
    uint32_t writeByte_virt(const int8_t byte) override {
      return static_cast<Protocol_*>(this)->writeByte(byte);
    }
  
    uint32_t writeI16_virt(const int16_t i16) override {
      return static_cast<Protocol_*>(this)->writeI16(i16);
    }
  
    uint32_t writeI32_virt(const int32_t i32) override {
      return static_cast<Protocol_*>(this)->writeI32(i32);
    }
  
    uint32_t writeI64_virt(const int64_t i64) override {
      return static_cast<Protocol_*>(this)->writeI64(i64);
    }
  
    uint32_t writeDouble_virt(const double dub) override {
      return static_cast<Protocol_*>(this)->writeDouble(dub);
    }
  
    uint32_t writeFloat_virt(const float flt) override {
      return static_cast<Protocol_*>(this)->writeFloat(flt);
    }
  
    uint32_t writeString_virt(const std::string& str) override {
      return static_cast<Protocol_*>(this)->writeString(str);
    }
  
    uint32_t writeBinary_virt(const std::string& str) override {
      return static_cast<Protocol_*>(this)->writeBinary(str);
    }
  
    /**
     * Reading functions
     */
  
    uint32_t readMessageBegin_virt(std::string& name,
                                   TMessageType& messageType,
                                   int32_t& seqid) override {
      return static_cast<Protocol_*>(this)->readMessageBegin(name, messageType,
                                                             seqid);
    }
  
    uint32_t readMessageEnd_virt() override {
      return static_cast<Protocol_*>(this)->readMessageEnd();
    }
  
    void setNextStructType_virt(uint64_t reflection_id) override {
      return static_cast<Protocol_*>(this)->setNextStructType(reflection_id);
    }
  
    uint32_t readStructBegin_virt(std::string& name) override {
      return static_cast<Protocol_*>(this)->readStructBegin(name);
    }
  
    uint32_t readStructEnd_virt() override {
      return static_cast<Protocol_*>(this)->readStructEnd();
    }
  
    uint32_t readFieldBegin_virt(std::string& name,
                                 TType& fieldType,
                                 int16_t& fieldId) override {
      return static_cast<Protocol_*>(this)->readFieldBegin(name, fieldType,
                                                           fieldId);
    }
  
    uint32_t readFieldEnd_virt() override {
      return static_cast<Protocol_*>(this)->readFieldEnd();
    }
  
    uint32_t readMapBegin_virt(TType& keyType,
                               TType& valType,
                               uint32_t& size,
                               bool& sizeUnknown) override {
      return static_cast<Protocol_*>(this)->readMapBegin(keyType, valType, size,
                                                         sizeUnknown);
    }
  
    bool peekMap_virt() override {
      return static_cast<Protocol_*>(this)->peekMap();
    }
  
    uint32_t readMapEnd_virt() override {
      return static_cast<Protocol_*>(this)->readMapEnd();
    }
  
    uint32_t readListBegin_virt(TType& elemType,
                                uint32_t& size,
                                bool& sizeUnkown) override {
      return static_cast<Protocol_*>(this)->readListBegin(elemType, size,
                                                          sizeUnkown);
    }
  
    bool peekList_virt() override {
      return static_cast<Protocol_*>(this)->peekList();
    }
  
    uint32_t readListEnd_virt() override {
      return static_cast<Protocol_*>(this)->readListEnd();
    }
  
    uint32_t readSetBegin_virt(TType& elemType,
                               uint32_t& size,
                               bool& sizeUnknown) override {
      return static_cast<Protocol_*>(this)->readSetBegin(elemType,
                                                         size,
                                                         sizeUnknown);
    }
  
    bool peekSet_virt() override {
      return static_cast<Protocol_*>(this)->peekSet();
    }
  
    uint32_t readSetEnd_virt() override {
      return static_cast<Protocol_*>(this)->readSetEnd();
    }
  
    uint32_t readBool_virt(bool& value) override {
      return static_cast<Protocol_*>(this)->readBool(value);
    }
  
    uint32_t readBool_virt(std::vector<bool>::reference value) override {
      return static_cast<Protocol_*>(this)->readBool(value);
    }
  
    uint32_t readByte_virt(int8_t& byte) override {
      return static_cast<Protocol_*>(this)->readByte(byte);
    }
  
    uint32_t readI16_virt(int16_t& i16) override {
      return static_cast<Protocol_*>(this)->readI16(i16);
    }
  
    uint32_t readI32_virt(int32_t& i32) override {
      return static_cast<Protocol_*>(this)->readI32(i32);
    }
  
    uint32_t readI64_virt(int64_t& i64) override {
      return static_cast<Protocol_*>(this)->readI64(i64);
    }
  
    uint32_t readDouble_virt(double& dub) override {
      return static_cast<Protocol_*>(this)->readDouble(dub);
    }
  
    uint32_t readFloat_virt(float& flt) override {
      return static_cast<Protocol_*>(this)->readFloat(flt);
    }
  
    uint32_t readString_virt(std::string& str) override {
      return static_cast<Protocol_*>(this)->readString(str);
    }
  
    uint32_t readBinary_virt(std::string& str) override {
      return static_cast<Protocol_*>(this)->readBinary(str);
    }
  
    uint32_t skip_virt(TType type) override {
      return static_cast<Protocol_*>(this)->skip(type);
    }
  
    /*
     * Provide a default skip() implementation that uses non-virtual read
     * methods.
     *
     * Note: subclasses that use TVirtualProtocol to derive from another protocol
     * implementation (i.e., not TProtocolDefaults) should beware that this may
     * override any non-default skip() implementation provided by the parent
     * transport class.  They may need to explicitly redefine skip() to call the
     * correct parent implementation, if desired.
     */
    uint32_t skip(TType type) {
      Protocol_* const prot = static_cast<Protocol_*>(this);
      return ::apache::thrift::protocol::skip(*prot, type);
    }
  
    /*
     * Provide a default readBool() implementation for use with
     * std::vector<bool>, that behaves the same as reading into a normal bool.
     *
     * Subclasses can override this if desired, but there normally shouldn't
     * be a need to.
     */
    uint32_t readBool(std::vector<bool>::reference value) {
      bool b = false;
      uint32_t ret = static_cast<Protocol_*>(this)->readBool(b);
      value = b;
      return ret;
    }
    using Super_::readBool; // so we don't hide readBool(bool&)
  
   protected:
    TVirtualProtocol(const std::shared_ptr<transport::TTransport>& ptrans)
      : Super_(ptrans)
    {}
  
    TVirtualProtocol(transport::TTransport* ptrans)
      : Super_(ptrans)
    {}
  };
  
  }}} // apache::thrift::protocol
  
  #endif // #define _THRIFT_PROTOCOL_TVIRTUALPROTOCOL_H_ 1
  