124 lines
3.0 KiB
C++
124 lines
3.0 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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#include "metacall.hpp"
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#include "mc_buffer.hpp"
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namespace metacall {
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//
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// Buffer
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//
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Buffer::Buffer(const void* data, int count) {
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setData(data, count);
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}
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Buffer::Buffer() {
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}
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void Buffer::addToBack(const void* data, int bytes) {
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data_.insert(
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data_.end(),
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static_cast<const byte*>(data),
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static_cast<const byte*>(data) + bytes
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);
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}
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void Buffer::addToFront(const void* data, int bytes) {
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data_.insert(
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data_.begin(),
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static_cast<const byte*>(data),
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static_cast<const byte*>(data) + bytes
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);
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}
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int Buffer::removeFromFront(void* data, int bytes) {
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bytes = std::min(static_cast<size_t>(bytes), data_.size());
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if (data != NULL) {
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memcpy(data, &data_[0], bytes);
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}
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data_.erase(data_.begin(), data_.begin() + bytes);
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return bytes;
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}
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int Buffer::removeFromBack(void* data, int bytes) {
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bytes = std::min(static_cast<size_t>(bytes), data_.size());
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if (data != NULL) {
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memcpy(data, &data_[data_.size() - bytes], bytes);
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}
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data_.erase(data_.end() - bytes, data_.end());
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return bytes;
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}
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void Buffer::clear() {
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data_.clear();
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}
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void Buffer::setData(const void* data, int bytes) {
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data_.assign(
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static_cast<const byte*>(data),
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static_cast<const byte*>(data) + bytes
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);
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}
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const void* Buffer::data() const {
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return bytes() == 0 ? NULL : &data_[0];
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}
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void* Buffer::data() {
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return bytes() == 0 ? NULL : &data_[0];
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}
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int Buffer::bytes() const {
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return data_.size();
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}
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bool Buffer::serialize(Serializer* serializer) const {
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serializer->write(bytes());
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serializer->writeRaw(data(), bytes());
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return true;
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}
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bool Buffer::deserialize(Deserializer* deserializer) {
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int count = 0;
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if (!deserializer->read(&count)) {
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return false;
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}
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const byte* const data = deserializer->readRaw(count);
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if (data == NULL) {
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return false;
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}
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setData(data, count);
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return true;
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}
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}
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