156 lines
3.3 KiB
C++
156 lines
3.3 KiB
C++
#include <boost/static_assert.hpp>
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#include "../Convert/ConvertType.h"
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#include <limits.h>
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#include "InputStream.h"
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#ifdef __INTEL_COMPILER
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#pragma warning(disable: 444) // I think intel will complain at the base class not being virtual.
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#endif
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BOOST_STATIC_ASSERT(sizeof(saracraft::util::uint16_t) * CHAR_BIT == 16);
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BOOST_STATIC_ASSERT(CHAR_BIT == 8);
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namespace saracraft {
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namespace filesystem {
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namespace {
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template<class T>
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void ReadFromStream(IInputStreamBuffer& buffer, T& value) {
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util::ConvertTo<T> converter;
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for(int i = 0; i < converter.GetSize(); ++i)
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converter.SetByte(i, buffer.PopByte());
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value = converter.GetValue();
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}
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} // End of unamed namespace.
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InputStream::InputStream(void) {
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}
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InputStream::~InputStream(void) {
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}
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void InputStream::SetBuffer(boost::shared_ptr<IInputStreamBuffer> streamBuffer_) {
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assert(streamBuffer_);
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_streamBuffer = streamBuffer_;
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}
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bool InputStream::IsEof(void) const {
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assert(_streamBuffer);
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return _streamBuffer->IsEof();
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}
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int InputStream::GetSize(void) const {
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assert(_streamBuffer);
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return _streamBuffer->GetSize();
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}
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InputStream& InputStream::Read(std::string& value) {
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assert(_streamBuffer);
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util::uint16_t stringSize = 0;
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this->Read(stringSize);
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value.resize(stringSize);
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for(int i = 0; i < stringSize; ++i)
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value[i] = _streamBuffer->PopByte();
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return *this;
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}
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InputStream& InputStream::Read(bool& value) {
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assert(_streamBuffer);
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value = _streamBuffer->PopByte() != 0;
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return *this;
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}
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InputStream& InputStream::Read(unsigned char& value) {
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assert(_streamBuffer);
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value = _streamBuffer->PopByte();
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return *this;
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}
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InputStream& InputStream::Read(char& value) {
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assert(_streamBuffer);
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value = _streamBuffer->PopByte();
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return *this;
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}
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InputStream& InputStream::Read(signed char& value) {
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assert(_streamBuffer);
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value = _streamBuffer->PopByte();
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return *this;
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}
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InputStream& InputStream::Read(unsigned short& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return *this;
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}
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InputStream& InputStream::Read(signed short& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return *this;
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}
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InputStream& InputStream::Read(unsigned int& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return * this;
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}
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InputStream& InputStream::Read(signed int& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return *this;
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}
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InputStream& InputStream::Read(float& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return *this;
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}
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InputStream& InputStream::Read(double& value) {
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assert(_streamBuffer);
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ReadFromStream(*_streamBuffer, value);
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return *this;
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}
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InputStream& InputStream::Read(unsigned char* buffer, int elements) {
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assert(_streamBuffer);
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_streamBuffer->PopBytes(reinterpret_cast<char*>(buffer), elements);
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return *this;
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}
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InputStream& InputStream::Read(char* buffer, int elements) {
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assert(_streamBuffer);
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_streamBuffer->PopBytes(buffer, elements);
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return *this;
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}
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InputStream& InputStream::Read(unsigned short* buffer, int elements) {
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assert(_streamBuffer);
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_streamBuffer->PopBytes(reinterpret_cast<char*>(buffer), elements * sizeof(short));
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}
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} // End of namespace filesystem.
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} // End of namespace saracraft.
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