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Diffstat (limited to 'cpp/common/framing/src/FieldTable.cpp')
-rw-r--r-- | cpp/common/framing/src/FieldTable.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/cpp/common/framing/src/FieldTable.cpp b/cpp/common/framing/src/FieldTable.cpp new file mode 100644 index 0000000000..048cefa83c --- /dev/null +++ b/cpp/common/framing/src/FieldTable.cpp @@ -0,0 +1,127 @@ +/* + * + * Copyright (c) 2006 The Apache Software Foundation + * + * Licensed 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 "FieldTable.h" +#include "NamedValue.h" +#include "QpidError.h" +#include "Buffer.h" +#include "Value.h" + +qpid::framing::FieldTable::~FieldTable(){ + int count(values.size()); + for(int i = 0; i < count; i++){ + delete values[i]; + } +} + +u_int32_t qpid::framing::FieldTable::size() const { + u_int32_t size(4); + int count(values.size()); + for(int i = 0; i < count; i++){ + size += values[i]->size(); + } + return size; +} + +int qpid::framing::FieldTable::count() const { + return values.size(); +} + +std::ostream& qpid::framing::operator<<(std::ostream& out, const FieldTable& t){ + out << "field_table{}"; + return out; +} + +void qpid::framing::FieldTable::setString(const std::string& name, const std::string& value){ + setValue(name, new StringValue(value)); +} + +void qpid::framing::FieldTable::setInt(const std::string& name, int value){ + setValue(name, new IntegerValue(value)); +} + +void qpid::framing::FieldTable::setTimestamp(const std::string& name, u_int64_t value){ + setValue(name, new TimeValue(value)); +} + +void qpid::framing::FieldTable::setTable(const std::string& name, const FieldTable& value){ + setValue(name, new FieldTableValue(value)); +} + +std::string qpid::framing::FieldTable::getString(const std::string& name){ + StringValue* val = dynamic_cast<StringValue*>(getValue(name)); + return (val == 0 ? "" : val->getValue()); +} + +int qpid::framing::FieldTable::getInt(const std::string& name){ + IntegerValue* val = dynamic_cast<IntegerValue*>(getValue(name)); + return (val == 0 ? 0 : val->getValue()); +} + +u_int64_t qpid::framing::FieldTable::getTimestamp(const std::string& name){ + TimeValue* val = dynamic_cast<TimeValue*>(getValue(name)); + return (val == 0 ? 0 : val->getValue()); +} + +void qpid::framing::FieldTable::getTable(const std::string& name, FieldTable& value){ + FieldTableValue* val = dynamic_cast<FieldTableValue*>(getValue(name)); + if(val != 0) value = val->getValue(); +} + +qpid::framing::NamedValue* qpid::framing::FieldTable::find(const std::string& name) const{ + int count(values.size()); + for(int i = 0; i < count; i++){ + if(values[i]->getName() == name) return values[i]; + } + return 0; +} + +qpid::framing::Value* qpid::framing::FieldTable::getValue(const std::string& name) const{ + NamedValue* val = find(name); + return val == 0 ? 0 : val->getValue(); +} + +void qpid::framing::FieldTable::setValue(const std::string& name, Value* value){ + NamedValue* val = find(name); + if(val == 0){ + val = new NamedValue(name, value); + values.push_back(val); + }else{ + Value* old = val->getValue(); + if(old != 0) delete old; + val->setValue(value); + } +} + +void qpid::framing::FieldTable::encode(Buffer& buffer) const{ + buffer.putLong(size() - 4); + int count(values.size()); + for(int i = 0; i < count; i++){ + values[i]->encode(buffer); + } +} + +void qpid::framing::FieldTable::decode(Buffer& buffer){ + u_int32_t size = buffer.getLong(); + int leftover = buffer.available() - size; + + while(buffer.available() > leftover){ + NamedValue* value = new NamedValue(); + value->decode(buffer); + values.push_back(value); + } +} |