115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
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Copyright (c) 2013 yvt
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This file is part of OpenSpades.
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OpenSpades is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenSpades is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenSpades. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <algorithm>
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#include "Debug.h"
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#include "Exception.h"
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#include "IStream.h"
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#include <Core/Debug.h>
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namespace spades {
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IStream::~IStream() {}
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int IStream::ReadByte() { SPUnsupported(); }
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size_t IStream::Read(void *out, size_t bytes) {
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SPADES_MARK_FUNCTION();
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char *buf = reinterpret_cast<char *>(out);
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size_t read = 0;
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while (bytes--) {
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int b = ReadByte();
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if (b == -1)
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break;
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*(buf++) = (char)b;
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read++;
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}
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return read;
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}
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std::string IStream::Read(size_t maxBytes) {
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SPADES_MARK_FUNCTION();
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std::string str;
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char buf[2048];
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size_t readBytes;
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while ((readBytes = Read(buf, std::min((size_t)2048, maxBytes))) > 0) {
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str.append(buf, readBytes);
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maxBytes -= readBytes;
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}
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return str;
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}
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std::string IStream::ReadAllBytes() {
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SPADES_MARK_FUNCTION();
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return Read(0x7fffffffUL);
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}
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void IStream::WriteByte(int) {
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SPADES_MARK_FUNCTION();
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SPUnsupported();
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}
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void IStream::Write(const void *inp, size_t bytes) {
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SPADES_MARK_FUNCTION();
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const unsigned char *buf = reinterpret_cast<const unsigned char *>(inp);
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while (bytes--) {
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WriteByte((int)*(buf++));
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}
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}
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void IStream::Write(const std::string &str) {
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SPADES_MARK_FUNCTION();
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Write(str.data(), str.size());
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}
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uint64_t IStream::GetPosition() { SPUnsupported(); }
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void IStream::SetPosition(uint64_t pos) { SPUnsupported(); }
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uint64_t IStream::GetLength() { SPUnsupported(); }
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void IStream::SetLength(uint64_t) { SPUnsupported(); }
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uint16_t IStream::ReadLittleShort() {
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SPADES_MARK_FUNCTION();
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// TODO: big endian support
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uint16_t data;
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if (Read(&data, 2) < 2)
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SPRaise("Failed to read 2 bytes");
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return data;
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}
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uint32_t IStream::ReadLittleInt() {
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SPADES_MARK_FUNCTION();
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// TODO: big endian support
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uint32_t data;
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if (Read(&data, 4) < 4)
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SPRaise("Failed to read 4 bytes");
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return data;
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}
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} // namespace spades
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