Rearrange sources (#4997)

src/libxrpl/protocol/STAccount.cpp

@@ -0,0 +1,114 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2012, 2013 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/protocol/STAccount.h>
+
+#include <cstring>
+
+namespace ripple {
+
+STAccount::STAccount() : STBase(), value_(beast::zero), default_(true)
+{
+}
+
+STAccount::STAccount(SField const& n)
+    : STBase(n), value_(beast::zero), default_(true)
+{
+}
+
+STAccount::STAccount(SField const& n, Buffer&& v) : STAccount(n)
+{
+    if (v.empty())
+        return;  // Zero is a valid size for a defaulted STAccount.
+
+    // Is it safe to throw from this constructor?  Today (November 2015)
+    // the only place that calls this constructor is
+    //    STVar::STVar (SerialIter&, SField const&)
+    // which throws.  If STVar can throw in its constructor, then so can
+    // STAccount.
+    if (v.size() != uint160::bytes)
+        Throw<std::runtime_error>("Invalid STAccount size");
+
+    default_ = false;
+    memcpy(value_.begin(), v.data(), uint160::bytes);
+}
+
+STAccount::STAccount(SerialIter& sit, SField const& name)
+    : STAccount(name, sit.getVLBuffer())
+{
+}
+
+STAccount::STAccount(SField const& n, AccountID const& v)
+    : STBase(n), value_(v), default_(false)
+{
+}
+
+STBase*
+STAccount::copy(std::size_t n, void* buf) const
+{
+    return emplace(n, buf, *this);
+}
+
+STBase*
+STAccount::move(std::size_t n, void* buf)
+{
+    return emplace(n, buf, std::move(*this));
+}
+
+SerializedTypeID
+STAccount::getSType() const
+{
+    return STI_ACCOUNT;
+}
+
+void
+STAccount::add(Serializer& s) const
+{
+    assert(getFName().isBinary());
+    assert(getFName().fieldType == STI_ACCOUNT);
+
+    // Preserve the serialization behavior of an STBlob:
+    //  o If we are default (all zeros) serialize as an empty blob.
+    //  o Otherwise serialize 160 bits.
+    int const size = isDefault() ? 0 : uint160::bytes;
+    s.addVL(value_.data(), size);
+}
+
+bool
+STAccount::isEquivalent(const STBase& t) const
+{
+    auto const* const tPtr = dynamic_cast<STAccount const*>(&t);
+    return tPtr && (default_ == tPtr->default_) && (value_ == tPtr->value_);
+}
+
+bool
+STAccount::isDefault() const
+{
+    return default_;
+}
+
+std::string
+STAccount::getText() const
+{
+    if (isDefault())
+        return "";
+    return toBase58(value());
+}
+
+}  // namespace ripple