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- /*
- * Bael'Zharon's Respite
- * Copyright (C) 2014 Daniel Skorupski
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "BinWriter.h"
- template<class T>
- void writePrimitive(BinWriter& writer, T value)
- {
- writer.writeRaw(&value, sizeof(value));
- }
- BinWriter::BinWriter() : data_{nullptr}, size_{0}, position_{0}
- {}
- BinWriter::BinWriter(void* data, size_t size) : data_{data}, size_{size}, position_{0}
- {}
- void BinWriter::writeRaw(const void* data, size_t size)
- {
- assert(size <= remaining());
- uint8_t* ptr = reinterpret_cast<uint8_t*>(data_) + position_;
- memcpy(ptr, data, size);
- position_ += size;
- }
- void BinWriter::writeByte(uint8_t value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeShort(uint16_t value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeInt(uint32_t value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeLong(uint64_t value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeFloat(float value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeDouble(double value)
- {
- writePrimitive(*this, value);
- }
- void BinWriter::writeString(const string& value)
- {
- if(value.size() >= 0xFFFF)
- {
- writeShort(0xFFFF);
- writeInt(static_cast<uint32_t>(value.size()));
- }
- else
- {
- writeShort(static_cast<uint16_t>(value.size()));
- }
- writeRaw(value.data(), value.size());
- align();
- }
- void BinWriter::skip(size_t amount)
- {
- assert(amount <= remaining());
- position_ += amount;
- }
- void BinWriter::seek(size_t position)
- {
- assert(position <= size_);
- position_ = position;
- }
- void BinWriter::align()
- {
- position_ = (position_ + 3) & ~3;
- }
- size_t BinWriter::position() const
- {
- return position_;
- }
- size_t BinWriter::remaining() const
- {
- return size_ - position_;
- }
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