xahaud/src/SerializedObject.h

#ifndef __SERIALIZEDOBJECT__
#define __SERIALIZEDOBJECT__

#include <vector>

#include <boost/ptr_container/ptr_vector.hpp>

#include "../json/value.h"

#include "SerializedTypes.h"

enum SOE_Type
{
	SOE_NEVER = -1,		// never occurs (marks end of object)
	SOE_REQUIRED = 0,	// required
	SOE_FLAGS = 1,		// flags field
	SOE_IFFLAG = 2,		// present if flag set
	SOE_IFNFLAG = 3		// present if flag not set
};

enum SOE_Field
{
	sfInvalid = -1,
	sfGeneric = 0,

#define FIELD(name, type, index) sf##name,
#define TYPE(name, type, index)
#include "SerializeProto.h"
#undef FIELD
#undef TYPE

	// test fields
	sfTest1, sfTest2, sfTest3, sfTest4
};

struct SOElement
{ // An element in the description of a serialized object
	SOE_Field e_field;
	const char *e_name;
	SerializedTypeID e_id;
	SOE_Type e_type;
	int e_flags;
};

class STObject : public SerializedType
{
protected:
	int mFlagIdx; // the offset to the flags object, -1 if none
	boost::ptr_vector<SerializedType> mData;
	std::vector<const SOElement*> mType;

	STObject* duplicate() const { return new STObject(*this); }

public:
	STObject(const char *n = NULL) : SerializedType(n), mFlagIdx(-1) { ; }
	STObject(const SOElement *t, const char *n = NULL);
	STObject(const SOElement *t, SerializerIterator& u, const char *n = NULL);
	virtual ~STObject() { ; }

	void set(const SOElement* t);
	void set(const SOElement* t, SerializerIterator& u);

	int getLength() const;
	virtual SerializedTypeID getSType() const { return STI_OBJECT; }
	virtual bool isEquivalent(const SerializedType& t) const;

	void add(Serializer& s) const;
	Serializer getSerializer() const { Serializer s; add(s); return s; }
	std::string getFullText() const;
	std::string getText() const;
	virtual Json::Value getJson(int options) const;

	int addObject(const SerializedType& t) { mData.push_back(t.clone()); return mData.size() - 1; }
	int giveObject(std::auto_ptr<SerializedType> t) { mData.push_back(t); return mData.size() - 1; }
	int giveObject(SerializedType* t) { mData.push_back(t); return mData.size() - 1; }
	const boost::ptr_vector<SerializedType>& peekData() const { return mData; }
	boost::ptr_vector<SerializedType>& peekData() { return mData; }

	int getCount() const { return mData.size(); }

	bool setFlag(uint32);
	bool clearFlag(uint32);
	uint32 getFlags() const;

	const SerializedType& peekAtIndex(int offset) const { return mData[offset]; }
	SerializedType& getIndex(int offset) { return mData[offset]; }
	const SerializedType* peekAtPIndex(int offset) const { return &(mData[offset]); }
	SerializedType* getPIndex(int offset) { return &(mData[offset]); }

	int getFieldIndex(SOE_Field field) const;
	SOE_Field getFieldSType(int index) const;

	const SerializedType& peekAtField(SOE_Field field) const;
	SerializedType& getField(SOE_Field field);
	const SerializedType* peekAtPField(SOE_Field field) const;
	SerializedType* getPField(SOE_Field field);
	const SOElement* getFieldType(SOE_Field field) const;

	// these throw if the field type doesn't match, or return default values if the
	// field is optional but not present
	std::string getFieldString(SOE_Field field) const;
	unsigned char getValueFieldU8(SOE_Field field) const;
	uint16 getValueFieldU16(SOE_Field field) const;
	uint32 getValueFieldU32(SOE_Field field) const;
	uint64 getValueFieldU64(SOE_Field field) const;
	uint128 getValueFieldH128(SOE_Field field) const;
	uint160 getValueFieldH160(SOE_Field field) const;
	uint256 getValueFieldH256(SOE_Field field) const;
	NewcoinAddress getValueFieldAccount(SOE_Field field) const;
	std::vector<unsigned char> getValueFieldVL(SOE_Field field) const;
	std::vector<TaggedListItem> getValueFieldTL(SOE_Field field) const;
	STAmount getValueFieldAmount(SOE_Field field) const;
	STPathSet getValueFieldPathSet(SOE_Field field) const;
	STVector256 getValueFieldV256(SOE_Field field) const;

	void setValueFieldU8(SOE_Field field, unsigned char);
	void setValueFieldU16(SOE_Field field, uint16);
	void setValueFieldU32(SOE_Field field, uint32);
	void setValueFieldU64(SOE_Field field, uint64);
	void setValueFieldH128(SOE_Field field, const uint128&);
	void setValueFieldH160(SOE_Field field, const uint160&);
	void setValueFieldH256(SOE_Field field, const uint256&);
	void setValueFieldVL(SOE_Field field, const std::vector<unsigned char>&);
	void setValueFieldTL(SOE_Field field, const std::vector<TaggedListItem>&);
	void setValueFieldAccount(SOE_Field field, const uint160&);
	void setValueFieldAccount(SOE_Field field, const NewcoinAddress& addr)
	{ setValueFieldAccount(field, addr.getAccountID()); }
	void setValueFieldAmount(SOE_Field field, const STAmount&);
	void setValueFieldPathSet(SOE_Field field, const STPathSet&);
	void setValueFieldV256(SOE_Field field, const STVector256& v);

	bool isFieldPresent(SOE_Field field) const;
	SerializedType* makeFieldPresent(SOE_Field field);
	void makeFieldAbsent(SOE_Field field);

	static std::auto_ptr<SerializedType> makeDefaultObject(SerializedTypeID id, const char *name);
	static std::auto_ptr<SerializedType> makeDeserializedObject(SerializedTypeID id, const char *name,
		SerializerIterator&);

	static void unitTest();
};


#endif
// vim:ts=4