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Well, that was painful. Can't use vectors because they slice. Can't use sets

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because their contents are immutable. Can't use maps because there's no type
that corresponds to the sort order. Can't use a vector of pointers because
they won't snapshot/copy correctly. No real choice but to use
boost::ptr_vector and create the necessary helper functions for it to work.
This commit is contained in:
JoelKatz
2012-07-30 23:42:57 -07:00
parent a01909fa4b
commit 6e1ffd752d
2 changed files with 29 additions and 14 deletions
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21
src/TransactionMeta.cpp
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@@ -1,5 +1,7 @@
#include "TransactionMeta.h"
#include <algorithm>
#include <boost/make_shared.hpp>
#include <boost/bind.hpp>
@@ -115,22 +117,23 @@ TransactionMetaNode::TransactionMetaNode(const uint256& node, SerializerIterator
{
type = sit.get8();
if (type == TransactionMetaNodeEntry::TMNChangedBalance)
mEntries.insert(boost::shared_ptr<TransactionMetaNodeEntry>(new TMNEBalance(sit)));
mEntries.push_back(new TMNEBalance(sit));
if (type == TransactionMetaNodeEntry::TMNDeleteUnfunded)
mEntries.insert(boost::shared_ptr<TransactionMetaNodeEntry>(new TMNEUnfunded()));
mEntries.push_back(new TMNEUnfunded());
else if (type != TransactionMetaNodeEntry::TMNEndOfMetadata)
throw std::runtime_error("Unparseable metadata");
} while (type != TransactionMetaNodeEntry::TMNEndOfMetadata);
}
void TransactionMetaNode::addRaw(Serializer& s) const
void TransactionMetaNode::addRaw(Serializer& s)
{
s.add256(mNode);
s.add256(mPreviousTransaction);
s.add32(mPreviousLedger);
for (std::set<TransactionMetaNodeEntry::pointer>::const_iterator it = mEntries.begin(), end = mEntries.end();
mEntries.sort();
for (boost::ptr_vector<TransactionMetaNodeEntry>::const_iterator it = mEntries.begin(), end = mEntries.end();
it != end; ++it)
(*it)->addRaw(s);
it->addRaw(s);
s.add8(TransactionMetaNodeEntry::TMNEndOfMetadata);
}
@@ -150,9 +153,9 @@ Json::Value TransactionMetaNode::getJson(int v) const
ret["previous_ledger"] = mPreviousLedger;
Json::Value e = Json::arrayValue;
for (std::set<TransactionMetaNodeEntry::pointer>::const_iterator it = mEntries.begin(), end = mEntries.end();
for (boost::ptr_vector<TransactionMetaNodeEntry>::const_iterator it = mEntries.begin(), end = mEntries.end();
it != end; ++it)
e.append((*it)->getJson(v));
e.append(it->getJson(v));
ret["entries"] = e;
return ret;
@@ -174,10 +177,10 @@ TransactionMetaSet::TransactionMetaSet(uint32 ledger, const std::vector<unsigned
} while(1);
}
void TransactionMetaSet::addRaw(Serializer& s) const
void TransactionMetaSet::addRaw(Serializer& s)
{
s.add256(mTransactionID);
for (std::map<uint256, TransactionMetaNode>::const_iterator it = mNodes.begin(), end = mNodes.end();
for (std::map<uint256, TransactionMetaNode>::iterator it = mNodes.begin(), end = mNodes.end();
it != end; ++it)
it->second.addRaw(s);
s.add256(uint256());