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-rw-r--r--trunk/qpid/cpp/src/qpid/framing/Array.cpp127
1 files changed, 127 insertions, 0 deletions
diff --git a/trunk/qpid/cpp/src/qpid/framing/Array.cpp b/trunk/qpid/cpp/src/qpid/framing/Array.cpp
new file mode 100644
index 0000000000..f0b6331ff3
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+++ b/trunk/qpid/cpp/src/qpid/framing/Array.cpp
@@ -0,0 +1,127 @@
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+#include "Array.h"
+#include "Buffer.h"
+#include "FieldValue.h"
+#include "qpid/Exception.h"
+#include "qpid/framing/reply_exceptions.h"
+#include <assert.h>
+
+namespace qpid {
+namespace framing {
+
+Array::Array() : typeOctet(0xF0/*void*/) {}
+
+Array::Array(uint8_t type) : typeOctet(type) {}
+
+Array::Array(const std::vector<std::string>& in)
+{
+ typeOctet = 0xA4;
+ for (std::vector<std::string>::const_iterator i = in.begin(); i != in.end(); ++i) {
+ ValuePtr value(new StringValue(*i));
+ values.push_back(value);
+ }
+}
+
+
+uint32_t Array::size() const {
+ //note: size is only included when used as a 'top level' type
+ uint32_t len(4/*size*/ + 1/*type*/ + 4/*count*/);
+ for(ValueVector::const_iterator i = values.begin(); i != values.end(); ++i) {
+ len += (*i)->getData().size();
+ }
+ return len;
+}
+
+int Array::count() const {
+ return values.size();
+}
+
+std::ostream& operator<<(std::ostream& out, const Array& t) {
+ out << "{";
+ for(Array::ValueVector::const_iterator i = t.values.begin(); i != t.values.end(); ++i) {
+ if (i != t.values.begin()) out << ", ";
+ out << *(i->get());
+ }
+ return out << "}";
+}
+
+void Array::encode(Buffer& buffer) const{
+ buffer.putLong(size() - 4);//size added only when array is a top-level type
+ buffer.putOctet(typeOctet);
+ buffer.putLong(count());
+ for (ValueVector::const_iterator i = values.begin(); i!=values.end(); ++i) {
+ (*i)->getData().encode(buffer);
+ }
+}
+
+void Array::decode(Buffer& buffer){
+ uint32_t size = buffer.getLong();//size added only when array is a top-level type
+ uint32_t available = buffer.available();
+ if (available < size) {
+ throw IllegalArgumentException(QPID_MSG("Not enough data for array, expected "
+ << size << " bytes but only " << available << " available"));
+ }
+ if (size) {
+ typeOctet = buffer.getOctet();
+ uint32_t count = buffer.getLong();
+
+ FieldValue dummy;
+ dummy.setType(typeOctet);
+ available = buffer.available();
+ if (available < count * dummy.getData().size()) {
+ throw IllegalArgumentException(QPID_MSG("Not enough data for array, expected "
+ << count << " items of " << dummy.getData().size()
+ << " bytes each but only " << available << " bytes available"));
+ }
+
+ for (uint32_t i = 0; i < count; i++) {
+ ValuePtr value(new FieldValue);
+ value->setType(typeOctet);
+ value->getData().decode(buffer);
+ values.push_back(ValuePtr(value));
+ }
+ }
+}
+
+
+bool Array::operator==(const Array& x) const {
+ if (typeOctet != x.typeOctet) return false;
+ if (values.size() != x.values.size()) return false;
+
+ for (ValueVector::const_iterator i = values.begin(), j = x.values.begin(); i != values.end(); ++i, ++j) {
+ if (*(i->get()) != *(j->get())) return false;
+ }
+
+ return true;
+}
+
+void Array::add(ValuePtr value)
+{
+ if (typeOctet != value->getType()) {
+ throw IllegalArgumentException(QPID_MSG("Wrong type of value, expected " << typeOctet));
+ }
+ values.push_back(value);
+}
+
+
+}
+}