Rearrange sources (#4997)

src/libxrpl/json/json_valueiterator.cpp

@@ -0,0 +1,192 @@
+//------------------------------------------------------------------------------
+/*
+    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.
+*/
+//==============================================================================
+
+// included by json_value.cpp
+
+#include <ripple/json/json_value.h>
+
+namespace Json {
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueIteratorBase
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueIteratorBase::ValueIteratorBase() : current_(), isNull_(true)
+{
+}
+
+ValueIteratorBase::ValueIteratorBase(
+    const Value::ObjectValues::iterator& current)
+    : current_(current), isNull_(false)
+{
+}
+
+Value&
+ValueIteratorBase::deref() const
+{
+    return current_->second;
+}
+
+void
+ValueIteratorBase::increment()
+{
+    ++current_;
+}
+
+void
+ValueIteratorBase::decrement()
+{
+    --current_;
+}
+
+ValueIteratorBase::difference_type
+ValueIteratorBase::computeDistance(const SelfType& other) const
+{
+    // Iterator for null value are initialized using the default
+    // constructor, which initialize current_ to the default
+    // std::map::iterator. As begin() and end() are two instance
+    // of the default std::map::iterator, they can not be compared.
+    // To allow this, we handle this comparison specifically.
+    if (isNull_ && other.isNull_)
+    {
+        return 0;
+    }
+
+    // Usage of std::distance is not portable (does not compile with Sun Studio
+    // 12 RogueWave STL, which is the one used by default). Using a portable
+    // hand-made version for non random iterator instead:
+    //   return difference_type( std::distance( current_, other.current_ ) );
+    difference_type myDistance = 0;
+
+    for (Value::ObjectValues::iterator it = current_; it != other.current_;
+         ++it)
+    {
+        ++myDistance;
+    }
+
+    return myDistance;
+}
+
+bool
+ValueIteratorBase::isEqual(const SelfType& other) const
+{
+    if (isNull_)
+    {
+        return other.isNull_;
+    }
+
+    return current_ == other.current_;
+}
+
+void
+ValueIteratorBase::copy(const SelfType& other)
+{
+    current_ = other.current_;
+}
+
+Value
+ValueIteratorBase::key() const
+{
+    const Value::CZString czstring = (*current_).first;
+
+    if (czstring.c_str())
+    {
+        if (czstring.isStaticString())
+            return Value(StaticString(czstring.c_str()));
+
+        return Value(czstring.c_str());
+    }
+
+    return Value(czstring.index());
+}
+
+UInt
+ValueIteratorBase::index() const
+{
+    const Value::CZString czstring = (*current_).first;
+
+    if (!czstring.c_str())
+        return czstring.index();
+
+    return Value::UInt(-1);
+}
+
+const char*
+ValueIteratorBase::memberName() const
+{
+    const char* name = (*current_).first.c_str();
+    return name ? name : "";
+}
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueConstIterator
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueConstIterator::ValueConstIterator(
+    const Value::ObjectValues::iterator& current)
+    : ValueIteratorBase(current)
+{
+}
+
+ValueConstIterator&
+ValueConstIterator::operator=(const ValueIteratorBase& other)
+{
+    copy(other);
+    return *this;
+}
+
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// class ValueIterator
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+// //////////////////////////////////////////////////////////////////
+
+ValueIterator::ValueIterator(const Value::ObjectValues::iterator& current)
+    : ValueIteratorBase(current)
+{
+}
+
+ValueIterator::ValueIterator(const ValueConstIterator& other)
+    : ValueIteratorBase(other)
+{
+}
+
+ValueIterator::ValueIterator(const ValueIterator& other)
+    : ValueIteratorBase(other)
+{
+}
+
+ValueIterator&
+ValueIterator::operator=(const SelfType& other)
+{
+    copy(other);
+    return *this;
+}
+
+}  // namespace Json