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/*
*
* 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 "qpid/framing/Array.h"
#include "qpid/framing/Buffer.h"
#include "qpid/framing/FieldValue.h"
#include "qpid/Exception.h"
#include "qpid/framing/reply_exceptions.h"
#include "qpid/Msg.h"
#include <assert.h>
namespace qpid {
namespace framing {
Array::Array() : type(TYPE_CODE_VOID) {}
Array::Array(TypeCode t) : type(t) {}
Array::Array(uint8_t t) : type(typeCode(t)) {}
Array::Array(const std::vector<std::string>& in)
{
type = TYPE_CODE_STR16;
for (std::vector<std::string>::const_iterator i = in.begin(); i != in.end(); ++i) {
ValuePtr value(new Str16Value(*i));
values.push_back(value);
}
}
uint32_t Array::encodedSize() 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().encodedSize();
}
return len;
}
int Array::count() const {
return values.size();
}
std::ostream& operator<<(std::ostream& out, const Array& a) {
out << typeName(a.getType()) << "{";
for(Array::ValueVector::const_iterator i = a.values.begin(); i != a.values.end(); ++i) {
if (i != a.values.begin()) out << ", ";
(*i)->print(out);
}
return out << "}";
}
void Array::encode(Buffer& buffer) const{
buffer.putLong(encodedSize() - 4);//size added only when array is a top-level type
buffer.putOctet(type);
buffer.putLong(count());
for (ValueVector::const_iterator i = values.begin(); i!=values.end(); ++i) {
(*i)->getData().encode(buffer);
}
}
void Array::decode(Buffer& buffer){
values.clear();
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) {
type = TypeCode(buffer.getOctet());
uint32_t count = buffer.getLong();
FieldValue dummy;
dummy.setType(type);
available = buffer.available();
if (available < count * dummy.getData().encodedSize()) {
throw IllegalArgumentException(QPID_MSG("Not enough data for array, expected "
<< count << " items of " << dummy.getData().encodedSize()
<< " bytes each but only " << available << " bytes available"));
}
for (uint32_t i = 0; i < count; i++) {
ValuePtr value(new FieldValue);
value->setType(type);
value->getData().decode(buffer);
values.push_back(ValuePtr(value));
}
}
}
bool Array::operator==(const Array& x) const {
if (type != x.type) 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::insert(iterator i, ValuePtr value) {
if (type != value->getType()) {
// FIXME aconway 2008-10-31: put meaningful strings in this message.
throw Exception(QPID_MSG("Wrong type of value in Array, expected " << type
<< " but found " << TypeCode(value->getType())));
}
values.insert(i, value);
}
}
}
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