144 lines
3.4 KiB
C++
144 lines
3.4 KiB
C++
//
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// Copyright (c) 2011 Alex Yatskov
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//
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// Permission is hereby granted, free of charge, to any person
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// obtaining a copy of this software and associated documentation
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// files (the "Software"), to deal in the Software without
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// restriction, including without limitation the rights to use,
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// copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following
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// conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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// OTHER DEALINGS IN THE SOFTWARE.
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//
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namespace metacall {
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//
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// TypeReader
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//
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template <typename T, bool L, bool G>
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struct TypeReader {
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static bool read(Deserializer* deserializer, T* data) {
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return data->deserialize(deserializer);
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}
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};
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template <typename T>
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struct TypeReader<T, false, true> {
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static bool read(Deserializer* deserializer, T* data) {
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return deserialize(deserializer, data);
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}
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};
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template <typename T>
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struct TypeReader<T, false, false> {
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static bool read(Deserializer* deserializer, T* data) {
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const T* const temp = reinterpret_cast<const T*>(
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deserializer->readRaw(sizeof(T))
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);
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if (temp != NULL) {
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*data = *temp;
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}
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return temp != NULL;
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}
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};
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template <typename T>
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bool Deserializer::read(T* data) {
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return TypeReader<
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T,
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HasLocalDeserializer<T>::Value,
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HasGlobalDeserializer<T>::Value
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>::read(this, data);
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}
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//
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// TypeWriter
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//
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template <typename T, bool L, bool G>
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struct TypeWriter {
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static bool write(Serializer* serializer, const T& data) {
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return data.serialize(serializer);
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}
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};
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template <typename T>
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struct TypeWriter<T, false, true> {
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static bool write(Serializer* serializer, const T& data) {
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return serialize(serializer, data);
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}
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};
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template <typename T>
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struct TypeWriter<T, false, false> {
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static bool write(Serializer* serializer, const T& data) {
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return serializer->writeRaw(&data, sizeof(T));
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}
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};
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template <typename T>
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bool Serializer::write(const T& data) {
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return TypeWriter<
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T,
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HasLocalSerializer<T>::Value,
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HasGlobalSerializer<T>::Value
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>::write(this, data);
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}
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//
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// Serializers
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//
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template <typename T>
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bool serialize(Serializer* serializer, const ArrayWriter<T>& writer) {
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serializer->write(writer.count);
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for (int i = 0; i < writer.count; ++i) {
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serializer->write(writer.data[i]);
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}
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return true;
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}
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template <typename T>
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bool deserialize(Deserializer* deserializer, ArrayReader<T>* reader) {
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reader->clear();
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if (!deserializer->read(&reader->count)) {
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return false;
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}
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reader->data = new T[reader->count];
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for (int i = 0; i < reader->count; ++i) {
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if (!deserializer->read(reader->data + i)) {
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reader->clear();
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return false;
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}
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}
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return true;
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}
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}
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