[1144] DS and DLV common implementation hidden behind private pointers

       so that the implementation details weren't seen in rdataclass.h

src/lib/dns/rdata/generic/ds_43.cc

@@ -0,0 +1,99 @@
+// Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
+//
+// 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 ISC DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS.  IN NO EVENT SHALL ISC 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 <iostream>
+#include <string>
+#include <sstream>
+#include <vector>
+
+#include <boost/lexical_cast.hpp>
+
+#include <util/buffer.h>
+#include <util/encode/hex.h>
+
+#include <dns/messagerenderer.h>
+#include <dns/name.h>
+#include <dns/rdata.h>
+#include <dns/rdataclass.h>
+
+#include <stdio.h>
+#include <time.h>
+
+using namespace std;
+using namespace isc::util;
+using namespace isc::util::encode;
+
+// BEGIN_ISC_NAMESPACE
+// BEGIN_RDATA_NAMESPACE
+
+#include <dns/rdata/generic/detail/ds_like.h>
+
+DS::DS(const string& ds_str) :
+    impl_(new DSImpl(ds_str))
+{}
+
+DS::DS(InputBuffer& buffer, size_t rdata_len) :
+    impl_(new DSImpl(buffer, rdata_len))
+{}
+
+DS::DS(const DS& source) :
+    Rdata(), impl_(new DSImpl(*source.impl_))
+{}
+
+DS&
+DS::operator=(const DS& source) {
+    if (impl_ == source.impl_) {
+        return (*this);
+    }
+
+    DSImpl* newimpl = new DSImpl(*source.impl_);
+    delete impl_;
+    impl_ = newimpl;
+
+    return (*this);
+}
+
+DS::~DS() {
+    delete impl_;
+}
+
+string
+DS::toText() const {
+    return (impl_->toText());
+}
+
+void
+DS::toWire(OutputBuffer& buffer) const {
+    impl_->toWire(buffer);
+}
+
+void
+DS::toWire(AbstractMessageRenderer& renderer) const {
+    impl_->toWire(renderer);
+}
+
+int
+DS::compare(const Rdata& other) const {
+    const DS& other_ds = dynamic_cast<const DS&>(other);
+
+    return (impl_->compare(*other_ds.impl_));
+}
+
+uint16_t
+DS::getTag() const {
+    return (impl_->getTag());
+}
+
+// END_RDATA_NAMESPACE
+// END_ISC_NAMESPACE