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rippled/modules/ripple_data/protocol/ripple_SerializedObject.h

511 lines
13 KiB
C++

//------------------------------------------------------------------------------
/*
Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================
#ifndef RIPPLE_SERIALIZEDOBJECT_H
#define RIPPLE_SERIALIZEDOBJECT_H
class STObject
: public SerializedType
, public CountedObject <STObject>
{
public:
char const* getCountedObjectName () { return "STObject"; }
STObject () : mType (NULL)
{
;
}
explicit STObject (SField::ref name) : SerializedType (name), mType (NULL)
{
;
}
STObject (const SOTemplate & type, SField::ref name) : SerializedType (name)
{
set (type);
}
STObject (const SOTemplate & type, SerializerIterator & sit, SField::ref name) : SerializedType (name)
{
set (sit);
setType (type);
}
UPTR_T<STObject> oClone () const
{
return UPTR_T<STObject> (new STObject (*this));
}
static UPTR_T<STObject> parseJson (const Json::Value & value, SField::ref name = sfGeneric, int depth = 0);
virtual ~STObject ()
{
;
}
static UPTR_T<SerializedType> deserialize (SerializerIterator & sit, SField::ref name);
bool setType (const SOTemplate & type);
bool isValidForType ();
bool isFieldAllowed (SField::ref);
bool isFree () const
{
return mType == NULL;
}
void set (const SOTemplate&);
bool set (SerializerIterator & u, int depth = 0);
virtual SerializedTypeID getSType () const
{
return STI_OBJECT;
}
virtual bool isEquivalent (const SerializedType & t) const;
virtual bool isDefault () const
{
return mData.empty ();
}
virtual void add (Serializer & s) const
{
add (s, true); // just inner elements
}
void add (Serializer & s, bool withSignature) const;
// VFALCO NOTE does this return an expensive copy of an object with a dynamic buffer?
// VFALCO TODO Remove this function and fix the few callers.
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 ().release ());
return mData.size () - 1;
}
int giveObject (UPTR_T<SerializedType> t)
{
mData.push_back (t.release ());
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;
}
SerializedType& front ()
{
return mData.front ();
}
const SerializedType& front () const
{
return mData.front ();
}
SerializedType& back ()
{
return mData.back ();
}
const SerializedType& back () const
{
return mData.back ();
}
int getCount () const
{
return mData.size ();
}
bool setFlag (uint32);
bool clearFlag (uint32);
bool isFlag(uint32);
uint32 getFlags () const;
uint256 getHash (uint32 prefix) const;
uint256 getSigningHash (uint32 prefix) 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 (SField::ref field) const;
SField::ref getFieldSType (int index) const;
const SerializedType& peekAtField (SField::ref field) const;
SerializedType& getField (SField::ref field);
const SerializedType* peekAtPField (SField::ref field) const;
SerializedType* getPField (SField::ref field, bool createOkay = false);
// these throw if the field type doesn't match, or return default values if the
// field is optional but not present
std::string getFieldString (SField::ref field) const;
unsigned char getFieldU8 (SField::ref field) const;
uint16 getFieldU16 (SField::ref field) const;
uint32 getFieldU32 (SField::ref field) const;
uint64 getFieldU64 (SField::ref field) const;
uint128 getFieldH128 (SField::ref field) const;
uint160 getFieldH160 (SField::ref field) const;
uint256 getFieldH256 (SField::ref field) const;
RippleAddress getFieldAccount (SField::ref field) const;
uint160 getFieldAccount160 (SField::ref field) const;
Blob getFieldVL (SField::ref field) const;
const STAmount& getFieldAmount (SField::ref field) const;
const STPathSet& getFieldPathSet (SField::ref field) const;
const STVector256& getFieldV256 (SField::ref field) const;
void setFieldU8 (SField::ref field, unsigned char);
void setFieldU16 (SField::ref field, uint16);
void setFieldU32 (SField::ref field, uint32);
void setFieldU64 (SField::ref field, uint64);
void setFieldH128 (SField::ref field, const uint128&);
void setFieldH160 (SField::ref field, const uint160&);
void setFieldH256 (SField::ref field, uint256 const& );
void setFieldVL (SField::ref field, Blob const&);
void setFieldAccount (SField::ref field, const uint160&);
void setFieldAccount (SField::ref field, const RippleAddress & addr)
{
setFieldAccount (field, addr.getAccountID ());
}
void setFieldAmount (SField::ref field, const STAmount&);
void setFieldPathSet (SField::ref field, const STPathSet&);
void setFieldV256 (SField::ref field, const STVector256 & v);
STObject& peekFieldObject (SField::ref field);
bool isFieldPresent (SField::ref field) const;
SerializedType* makeFieldPresent (SField::ref field);
void makeFieldAbsent (SField::ref field);
bool delField (SField::ref field);
void delField (int index);
static UPTR_T <SerializedType> makeDefaultObject (SerializedTypeID id, SField::ref name);
// VFALCO TODO remove the 'depth' parameter
static UPTR_T<SerializedType> makeDeserializedObject (
SerializedTypeID id,
SField::ref name,
SerializerIterator&,
int depth);
static UPTR_T<SerializedType> makeNonPresentObject (SField::ref name)
{
return makeDefaultObject (STI_NOTPRESENT, name);
}
static UPTR_T<SerializedType> makeDefaultObject (SField::ref name)
{
return makeDefaultObject (name.fieldType, name);
}
// field iterator stuff
typedef boost::ptr_vector<SerializedType>::iterator iterator;
typedef boost::ptr_vector<SerializedType>::const_iterator const_iterator;
iterator begin ()
{
return mData.begin ();
}
iterator end ()
{
return mData.end ();
}
const_iterator begin () const
{
return mData.begin ();
}
const_iterator end () const
{
return mData.end ();
}
bool empty () const
{
return mData.empty ();
}
bool hasMatchingEntry (const SerializedType&);
bool operator== (const STObject & o) const;
bool operator!= (const STObject & o) const
{
return ! (*this == o);
}
private:
/** Returns a value or throws if out of range.
This will throw if the source value cannot be represented
within the destination type.
*/
// VFALCO NOTE This won't work right
/*
template <class T, class U>
static T getWithRangeCheck (U v)
{
if (v < std::numeric_limits <T>::min ()) ||
v > std::numeric_limits <T>::max ())
{
throw std::runtime_error ("Value out of range");
}
return static_cast <T> (v);
}
*/
// VFALCO TODO these parameters should not be const references.
template <typename T, typename U>
static T range_check_cast (const U& value, const T& minimum, const T& maximum)
{
if ((value < minimum) || (value > maximum))
throw std::runtime_error ("Value out of range");
return static_cast<T> (value);
}
STObject* duplicate () const
{
return new STObject (*this);
}
STObject (SField::ref name, boost::ptr_vector<SerializedType>& data) : SerializedType (name), mType (NULL)
{
mData.swap (data);
}
private:
boost::ptr_vector<SerializedType> mData;
const SOTemplate* mType;
};
//------------------------------------------------------------------------------
inline STObject::iterator range_begin (STObject& x)
{
return x.begin ();
}
inline STObject::iterator range_end (STObject& x)
{
return x.end ();
}
//------------------------------------------------------------------------------
class STArray
: public SerializedType
, public CountedObject <STArray>
{
public:
char const* getCountedObjectName () { return "STArray"; }
typedef boost::ptr_vector<STObject> vector;
typedef boost::ptr_vector<STObject>::iterator iterator;
typedef boost::ptr_vector<STObject>::const_iterator const_iterator;
typedef boost::ptr_vector<STObject>::reverse_iterator reverse_iterator;
typedef boost::ptr_vector<STObject>::const_reverse_iterator const_reverse_iterator;
typedef boost::ptr_vector<STObject>::size_type size_type;
public:
STArray ()
{
;
}
explicit STArray (int n)
{
value.reserve (n);
}
explicit STArray (SField::ref f) : SerializedType (f)
{
;
}
STArray (SField::ref f, int n) : SerializedType (f)
{
value.reserve (n);
}
STArray (SField::ref f, const vector & v) : SerializedType (f), value (v)
{
;
}
explicit STArray (vector & v) : value (v)
{
;
}
static UPTR_T<SerializedType> deserialize (SerializerIterator & sit, SField::ref name)
{
return UPTR_T<SerializedType> (construct (sit, name));
}
const vector& getValue () const
{
return value;
}
vector& getValue ()
{
return value;
}
// VFALCO NOTE as long as we're married to boost why not use boost::iterator_facade?
//
// vector-like functions
void push_back (const STObject & object)
{
value.push_back (object.oClone ().release ());
}
STObject& operator[] (int j)
{
return value[j];
}
const STObject& operator[] (int j) const
{
return value[j];
}
iterator begin ()
{
return value.begin ();
}
const_iterator begin () const
{
return value.begin ();
}
iterator end ()
{
return value.end ();
}
const_iterator end () const
{
return value.end ();
}
size_type size () const
{
return value.size ();
}
reverse_iterator rbegin ()
{
return value.rbegin ();
}
const_reverse_iterator rbegin () const
{
return value.rbegin ();
}
reverse_iterator rend ()
{
return value.rend ();
}
const_reverse_iterator rend () const
{
return value.rend ();
}
iterator erase (iterator pos)
{
return value.erase (pos);
}
STObject& front ()
{
return value.front ();
}
const STObject& front () const
{
return value.front ();
}
STObject& back ()
{
return value.back ();
}
const STObject& back () const
{
return value.back ();
}
void pop_back ()
{
value.pop_back ();
}
bool empty () const
{
return value.empty ();
}
void clear ()
{
value.clear ();
}
void swap (STArray & a)
{
value.swap (a.value);
}
virtual std::string getFullText () const;
virtual std::string getText () const;
virtual Json::Value getJson (int) const;
virtual void add (Serializer & s) const;
void sort (bool (*compare) (const STObject & o1, const STObject & o2));
bool operator== (const STArray & s)
{
return value == s.value;
}
bool operator!= (const STArray & s)
{
return value != s.value;
}
virtual SerializedTypeID getSType () const
{
return STI_ARRAY;
}
virtual bool isEquivalent (const SerializedType & t) const;
virtual bool isDefault () const
{
return value.empty ();
}
private:
vector value;
STArray* duplicate () const
{
return new STArray (*this);
}
static STArray* construct (SerializerIterator&, SField::ref);
};
inline STArray::iterator range_begin (STArray& x)
{
return x.begin ();
}
inline STArray::iterator range_end (STArray& x)
{
return x.end ();
}
#endif