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Tidy up the structure of sources in protocol/:
Split out and rename STValidation Split out and rename STBlob Split out and rename STAccount Split out STPathSet Split STVector256 and move UintTypes to protocol/ Rename to STBase Rename to STLedgerEntry Rename to SOTemplate Rename to STTx Remove obsolete AgedHistory Remove types.h and add missing includes Remove unnecessary includes in app.h Remove unnecessary includes in app.h Remove include app.h from app1.cpp
This commit is contained in:
Vinnie Falco
committed by
Nik Bougalis
Nik Bougalis
parent
31110c7fd9
commit
08a81a0ab9
301
src/ripple/protocol/STPathSet.h
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301
src/ripple/protocol/STPathSet.h
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//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2012, 2013 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef RIPPLE_PROTOCOL_STPATHELEMENT_H_INCLUDED
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#define RIPPLE_PROTOCOL_STPATHELEMENT_H_INCLUDED
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#include <cstddef>
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namespace ripple {
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// VFALCO Why isn't this derived from STBase?
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class STPathElement
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{
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public:
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enum Type
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{
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typeNone = 0x00,
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typeAccount = 0x01, // Rippling through an account (vs taking an offer).
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typeCurrency = 0x10, // Currency follows.
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typeIssuer = 0x20, // Issuer follows.
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typeBoundary = 0xFF, // Boundary between alternate paths.
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typeAll = typeAccount | typeCurrency | typeIssuer,
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// Combination of all types.
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};
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private:
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static
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std::size_t
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get_hash (STPathElement const& element);
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public:
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STPathElement (
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Account const& account, Currency const& currency,
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Account const& issuer, bool forceCurrency = false)
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: mType (typeNone), mAccountID (account), mCurrencyID (currency)
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, mIssuerID (issuer), is_offer_ (isXRP(mAccountID))
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{
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if (!is_offer_)
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mType |= typeAccount;
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if (forceCurrency || !isXRP(currency))
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mType |= typeCurrency;
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if (!isXRP(issuer))
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mType |= typeIssuer;
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hash_value_ = get_hash (*this);
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}
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STPathElement (
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unsigned int uType, Account const& account, Currency const& currency,
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Account const& issuer)
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: mType (uType), mAccountID (account), mCurrencyID (currency)
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, mIssuerID (issuer), is_offer_ (isXRP(mAccountID))
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{
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hash_value_ = get_hash (*this);
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}
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STPathElement ()
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: mType (typeNone), is_offer_ (true)
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{
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hash_value_ = get_hash (*this);
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}
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int getNodeType () const
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{
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return mType;
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}
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bool isOffer () const
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{
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return is_offer_;
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}
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bool isAccount () const
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{
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return !isOffer ();
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}
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// Nodes are either an account ID or a offer prefix. Offer prefixs denote a
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// class of offers.
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Account const& getAccountID () const
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{
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return mAccountID;
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}
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Currency const& getCurrency () const
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{
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return mCurrencyID;
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}
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Account const& getIssuerID () const
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{
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return mIssuerID;
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}
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bool operator== (const STPathElement& t) const
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{
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return (mType & typeAccount) == (t.mType & typeAccount) &&
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hash_value_ == t.hash_value_ &&
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mAccountID == t.mAccountID &&
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mCurrencyID == t.mCurrencyID &&
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mIssuerID == t.mIssuerID;
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}
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private:
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unsigned int mType;
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Account mAccountID;
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Currency mCurrencyID;
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Account mIssuerID;
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bool is_offer_;
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std::size_t hash_value_;
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};
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class STPath
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{
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public:
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STPath () = default;
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STPath (std::vector<STPathElement> const& p)
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: mPath (p)
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{ }
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std::vector<STPathElement>::size_type
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size () const
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{
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return mPath.size ();
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}
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bool empty() const
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{
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return mPath.empty ();
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}
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void
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push_back (STPathElement const& e)
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{
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mPath.push_back (e);
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}
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template <typename ...Args>
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void
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emplace_back (Args&&... args)
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{
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mPath.emplace_back (std::forward<Args> (args)...);
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}
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bool hasSeen (Account const& account, Currency const& currency,
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Account const& issuer) const;
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Json::Value getJson (int) const;
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std::vector<STPathElement>::const_iterator
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begin () const
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{
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return mPath.begin ();
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}
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std::vector<STPathElement>::const_iterator
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end () const
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{
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return mPath.end ();
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}
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bool operator== (STPath const& t) const
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{
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return mPath == t.mPath;
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}
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std::vector<STPathElement>::const_reference
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back () const
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{
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return mPath.back ();
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}
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std::vector<STPathElement>::const_reference
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front () const
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{
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return mPath.front ();
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}
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private:
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std::vector<STPathElement> mPath;
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};
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//------------------------------------------------------------------------------
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// A set of zero or more payment paths
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class STPathSet : public STBase
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{
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public:
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STPathSet () = default;
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STPathSet (SField::ref n)
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: STBase (n)
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{ }
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static
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std::unique_ptr<STBase>
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deserialize (SerializerIterator& sit, SField::ref name)
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{
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return std::unique_ptr<STBase> (construct (sit, name));
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}
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void add (Serializer& s) const;
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virtual Json::Value getJson (int) const;
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SerializedTypeID getSType () const
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{
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return STI_PATHSET;
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}
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std::vector<STPath>::size_type
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size () const
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{
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return value.size ();
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}
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bool empty () const
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{
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return value.empty ();
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}
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void push_back (STPath const& e)
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{
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value.push_back (e);
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}
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bool assembleAdd(STPath const& base, STPathElement const& tail)
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{ // assemble base+tail and add it to the set if it's not a duplicate
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value.push_back (base);
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std::vector<STPath>::reverse_iterator it = value.rbegin ();
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STPath& newPath = *it;
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newPath.push_back (tail);
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while (++it != value.rend ())
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{
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if (*it == newPath)
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{
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value.pop_back ();
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return false;
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}
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}
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return true;
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}
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virtual bool isEquivalent (const STBase& t) const;
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virtual bool isDefault () const
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{
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return value.empty ();
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}
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std::vector<STPath>::const_reference
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operator[] (std::vector<STPath>::size_type n) const
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{
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return value[n];
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}
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std::vector<STPath>::const_iterator begin () const
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{
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return value.begin ();
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}
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std::vector<STPath>::const_iterator end () const
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{
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return value.end ();
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}
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private:
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std::vector<STPath> value;
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STPathSet (SField::ref n, const std::vector<STPath>& v)
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: STBase (n), value (v)
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{ }
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STPathSet* duplicate () const
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{
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return new STPathSet (*this);
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}
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static
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STPathSet*
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construct (SerializerIterator&, SField::ref);
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};
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} // ripple
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#endif
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