Reorganize source file hierarchy:

* Rename unity files * Move some modules to new subdirectories * Remove obsolete Visual Studio project files * Remove obsolete coding style and TODO list
2025-12-06 17:27:55 +00:00 · 2014-06-03 14:48:34 -07:00
parent 39a387b54c
commit 4f1d1d2a8a
774 changed files with 6924 additions and 10355 deletions
--- a/src/ripple/module/app/ledger/DirectoryEntryIterator.cpp
+++ b/src/ripple/module/app/ledger/DirectoryEntryIterator.cpp
@@ -0,0 +1,116 @@
+//------------------------------------------------------------------------------
+/*
+    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.
+*/
+//==============================================================================
+
+namespace ripple {
+
+/** Get the current ledger entry */
+SLE::pointer DirectoryEntryIterator::getEntry (LedgerEntrySet& les, LedgerEntryType type)
+{
+    return les.entryCache (type, mEntryIndex);
+}
+
+/** Position the iterator at the first entry
+*/
+bool DirectoryEntryIterator::firstEntry (LedgerEntrySet& les)
+{
+    WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::firstEntry(" <<
+        to_string (mRootIndex) << ")";
+    mEntry = 0;
+    mDirNode.reset ();
+
+    return nextEntry (les);
+}
+
+/** Advance the iterator to the next entry
+*/
+bool DirectoryEntryIterator::nextEntry (LedgerEntrySet& les)
+{
+    if (!mDirNode)
+    {
+        WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::nextEntry(" <<
+            to_string (mRootIndex) << ") need dir node";
+        // Are we already at the end
+        if (mDirIndex.isZero())
+        {
+            WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::nextEntry(" <<
+                to_string (mRootIndex) << ") at end";
+            return false;
+        }
+
+        // Fetch the current directory
+        mDirNode = les.entryCache (ltDIR_NODE, mRootIndex);
+        if (!mDirNode)
+        {
+            WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::nextEntry("
+                << to_string (mRootIndex) << ") no dir node";
+            mEntryIndex.zero();
+            return false;
+        }
+    }
+
+    if (!les.dirNext (mRootIndex, mDirNode, mEntry, mEntryIndex))
+    {
+        mDirIndex.zero();
+        mDirNode.reset();
+        WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::nextEntry(" <<
+            to_string (mRootIndex) << ") now at end";
+        return false;
+    }
+
+    WriteLog (lsTRACE, Ledger) << "DirectoryEntryIterator::nextEntry(" <<
+        to_string (mRootIndex) << ") now at " << mEntry;
+    return true;
+}
+
+bool DirectoryEntryIterator::addJson (Json::Value& j) const
+{
+    if (mDirNode && (mEntry != 0))
+    {
+        j["dir_root"] = to_string (mRootIndex);
+        j["dir_entry"] = static_cast<Json::UInt> (mEntry);
+
+        if (mDirNode)
+            j["dir_index"] = to_string (mDirIndex);
+
+        return true;
+    }
+    return false;
+}
+
+bool DirectoryEntryIterator::setJson (Json::Value const& j, LedgerEntrySet& les)
+{
+    if (!j.isMember("dir_root") || !j.isMember("dir_index") || !j.isMember("dir_entry"))
+        return false;
+#if 0 // WRITEME
+    Json::Value const& dirRoot = j["dir_root"];
+    Json::Value const& dirIndex = j["dir_index"];
+    Json::Value const& dirEntry = j["dir_entry"];
+
+    assert(false); // CAUTION: This function is incomplete
+
+    mEntry = j["dir_entry"].asUInt ();
+
+    if (!mDirIndex.SetHex(j["dir_index"].asString()))
+        return false;
+#endif
+
+    return true;
+}
+
+} // ripple