Schema types and ShapeSerializer interface

src/aws-cpp-sdk-core/include/smithy/client/schema/CborShapeSerializer.h

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+#pragma once
+
+#include <aws/core/Core_EXPORTS.h>
+#include <smithy/client/schema/ShapeSerializer.h>
+
+#include <memory>
+
+namespace smithy {
+namespace schema {
+
+class AWS_CORE_API CborShapeSerializer : public ShapeSerializer {
+ public:
+  CborShapeSerializer();
+  ~CborShapeSerializer();
+
+  void BeginStructure(const Schema& schema) override;
+  void EndStructure() override;
+
+  void WriteBoolean(const Schema& schema, bool value) override;
+  void WriteInteger(const Schema& schema, int value) override;
+  void WriteLong(const Schema& schema, int64_t value) override;
+  void WriteDouble(const Schema& schema, double value) override;
+  void WriteString(const Schema& schema, const Aws::String& value) override;
+  void WriteTimestamp(const Schema& schema, const Aws::Utils::DateTime& value) override;
+  void WriteBlob(const Schema& schema, const Aws::Utils::ByteBuffer& value) override;
+  void WriteEnum(const Schema& schema, int value) override;
+  void WriteNull(const Schema& schema) override;
+
+  void BeginList(const Schema& schema, size_t count) override;
+  void EndList() override;
+
+  void BeginMap(const Schema& schema, size_t count) override;
+  void WriteMapKey(const Aws::String& key) override;
+  void EndMap() override;
+
+  void BeginNestedStructure(const Schema& schema) override;
+  void EndNestedStructure() override;
+
+  Aws::String GetPayload() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+
+}  // namespace schema
+}  // namespace smithy

src/aws-cpp-sdk-core/include/smithy/client/schema/JsonShapeSerializer.h

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+#pragma once
+
+#include <smithy/client/schema/ShapeSerializer.h>
+
+#include <memory>
+
+namespace smithy {
+namespace schema {
+
+class JsonShapeSerializer : public ShapeSerializer {
+ public:
+  JsonShapeSerializer();
+  ~JsonShapeSerializer();
+
+  void BeginStructure(const Schema& schema) override;
+  void EndStructure() override;
+
+  void WriteBoolean(const Schema& schema, bool value) override;
+  void WriteInteger(const Schema& schema, int value) override;
+  void WriteLong(const Schema& schema, int64_t value) override;
+  void WriteDouble(const Schema& schema, double value) override;
+  void WriteString(const Schema& schema, const Aws::String& value) override;
+  void WriteTimestamp(const Schema& schema, const Aws::Utils::DateTime& value) override;
+  void WriteBlob(const Schema& schema, const Aws::Utils::ByteBuffer& value) override;
+  void WriteEnum(const Schema& schema, int value) override;
+  void WriteNull(const Schema& schema) override;
+
+  void BeginList(const Schema& schema, size_t count) override;
+  void EndList() override;
+
+  void BeginMap(const Schema& schema, size_t count) override;
+  void WriteMapKey(const Aws::String& key) override;
+  void EndMap() override;
+
+  void BeginNestedStructure(const Schema& schema) override;
+  void EndNestedStructure() override;
+
+  Aws::String GetPayload() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+
+}  // namespace schema
+}  // namespace smithy

src/aws-cpp-sdk-core/include/smithy/client/schema/QueryShapeSerializer.h

@@ -0,0 +1,46 @@
+#pragma once
+
+#include <smithy/client/schema/ShapeSerializer.h>
+
+#include <memory>
+
+namespace smithy {
+namespace schema {
+
+class QueryShapeSerializer : public ShapeSerializer {
+ public:
+  QueryShapeSerializer(const Aws::String& action, const Aws::String& version);
+  ~QueryShapeSerializer();
+
+  void BeginStructure(const Schema& schema) override;
+  void EndStructure() override;
+
+  void WriteBoolean(const Schema& schema, bool value) override;
+  void WriteInteger(const Schema& schema, int value) override;
+  void WriteLong(const Schema& schema, int64_t value) override;
+  void WriteDouble(const Schema& schema, double value) override;
+  void WriteString(const Schema& schema, const Aws::String& value) override;
+  void WriteTimestamp(const Schema& schema, const Aws::Utils::DateTime& value) override;
+  void WriteBlob(const Schema& schema, const Aws::Utils::ByteBuffer& value) override;
+  void WriteEnum(const Schema& schema, int value) override;
+  void WriteNull(const Schema& schema) override;
+
+  void BeginList(const Schema& schema, size_t count) override;
+  void EndList() override;
+
+  void BeginMap(const Schema& schema, size_t count) override;
+  void WriteMapKey(const Aws::String& key) override;
+  void EndMap() override;
+
+  void BeginNestedStructure(const Schema& schema) override;
+  void EndNestedStructure() override;
+
+  Aws::String GetPayload() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+
+}  // namespace schema
+}  // namespace smithy

src/aws-cpp-sdk-core/include/smithy/client/schema/Schema.h

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+#pragma once
+
+#include <aws/core/utils/memory/stl/AWSString.h>
+
+#include <cstdint>
+
+namespace smithy {
+namespace schema {
+
+enum class ShapeType : uint8_t {
+  Boolean,
+  Byte,
+  Short,
+  Integer,
+  Long,
+  Float,
+  Double,
+  BigInteger,
+  BigDecimal,
+  String,
+  Enum,
+  IntEnum,
+  Blob,
+  Timestamp,
+  Document,
+  List,
+  Map,
+  Structure,
+  Union,
+  Operation,
+  Resource,
+  Service
+};
+
+class Schema {
+ public:
+  Schema() = default;
+
+  ShapeType GetType() const { return m_type; }
+  const char* GetId() const { return m_id; }
+  const char* GetMemberName() const { return m_memberName; }
+  int GetMemberIndex() const { return m_memberIndex; }
+  bool IsMember() const { return m_memberName != nullptr; }
+
+  const Schema* GetMember(const char* name) const;
+  const Schema* GetMember(int index) const;
+
+  uint16_t GetMemberCount() const { return m_memberCount; }
+
+ private:
+  const char* m_id = nullptr;
+  ShapeType m_type = ShapeType::Structure;
+  const char* m_memberName = nullptr;
+  int m_memberIndex = 0;
+  const Schema* m_members = nullptr;
+  uint16_t m_memberCount = 0;
+};
+
+}  // namespace schema
+}  // namespace smithy

src/aws-cpp-sdk-core/include/smithy/client/schema/ShapeSerializer.h

@@ -0,0 +1,42 @@
+#pragma once
+
+#include <aws/core/utils/Array.h>
+#include <aws/core/utils/DateTime.h>
+#include <aws/core/utils/memory/stl/AWSString.h>
+#include <smithy/client/schema/Schema.h>
+
+#include <cstdint>
+
+namespace smithy {
+namespace schema {
+
+class ShapeSerializer {
+ public:
+  virtual ~ShapeSerializer() = default;
+
+  virtual void BeginStructure(const Schema& schema) = 0;
+  virtual void EndStructure() = 0;
+
+  virtual void WriteBoolean(const Schema& schema, bool value) = 0;
+  virtual void WriteInteger(const Schema& schema, int value) = 0;
+  virtual void WriteLong(const Schema& schema, int64_t value) = 0;
+  virtual void WriteDouble(const Schema& schema, double value) = 0;
+  virtual void WriteString(const Schema& schema, const Aws::String& value) = 0;
+  virtual void WriteTimestamp(const Schema& schema, const Aws::Utils::DateTime& value) = 0;
+  virtual void WriteBlob(const Schema& schema, const Aws::Utils::ByteBuffer& value) = 0;
+  virtual void WriteEnum(const Schema& schema, int value) = 0;
+  virtual void WriteNull(const Schema& schema) = 0;
+
+  virtual void BeginList(const Schema& schema, size_t count) = 0;
+  virtual void EndList() = 0;
+
+  virtual void BeginMap(const Schema& schema, size_t count) = 0;
+  virtual void WriteMapKey(const Aws::String& key) = 0;
+  virtual void EndMap() = 0;
+
+  virtual void BeginNestedStructure(const Schema& schema) = 0;
+  virtual void EndNestedStructure() = 0;
+};
+
+}  // namespace schema
+}  // namespace smithy

src/aws-cpp-sdk-core/include/smithy/client/schema/XmlShapeSerializer.h

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+#pragma once
+
+#include <smithy/client/schema/ShapeSerializer.h>
+
+#include <memory>
+
+namespace smithy {
+namespace schema {
+
+class XmlShapeSerializer : public ShapeSerializer {
+ public:
+  XmlShapeSerializer();
+  ~XmlShapeSerializer();
+
+  void BeginStructure(const Schema& schema) override;
+  void EndStructure() override;
+
+  void WriteBoolean(const Schema& schema, bool value) override;
+  void WriteInteger(const Schema& schema, int value) override;
+  void WriteLong(const Schema& schema, int64_t value) override;
+  void WriteDouble(const Schema& schema, double value) override;
+  void WriteString(const Schema& schema, const Aws::String& value) override;
+  void WriteTimestamp(const Schema& schema, const Aws::Utils::DateTime& value) override;
+  void WriteBlob(const Schema& schema, const Aws::Utils::ByteBuffer& value) override;
+  void WriteEnum(const Schema& schema, int value) override;
+  void WriteNull(const Schema& schema) override;
+
+  void BeginList(const Schema& schema, size_t count) override;
+  void EndList() override;
+
+  void BeginMap(const Schema& schema, size_t count) override;
+  void WriteMapKey(const Aws::String& key) override;
+  void EndMap() override;
+
+  void BeginNestedStructure(const Schema& schema) override;
+  void EndNestedStructure() override;
+
+  Aws::String GetPayload() const;
+
+ private:
+  struct Impl;
+  std::unique_ptr<Impl> m_impl;
+};
+
+}  // namespace schema
+}  // namespace smithy