Foam::Istream& Foam::UIPstream::read(char& c)
{
c = externalBuf_[externalBufPosition_];
externalBufPosition_++;
checkEof();
return *this;
}
Istream& IPstream::read(char& c)
{
c = buf_[bufPosition_];
bufPosition_++;
checkEof();
return *this;
}
inline void Foam::UIPstream::readFromBuffer(T& t)
{
const size_t align = sizeof(T);
externalBufPosition_ = align + ((externalBufPosition_ - 1) & ~(align - 1));
t = reinterpret_cast<T&>(externalBuf_[externalBufPosition_]);
externalBufPosition_ += sizeof(T);
checkEof();
}
Foam::Istream& Foam::UIPstream::read(string& str)
{
size_t len;
readFromBuffer(len);
str = &externalBuf_[externalBufPosition_];
externalBufPosition_ += len + 1;
checkEof();
return *this;
}
Istream& IPstream::read(word& w)
{
size_t ws;
readFromBuffer(ws);
w = &buf_[bufPosition_];
bufPosition_ += ws + 1;
checkEof();
return *this;
}
Istream& IPstream::read(string& s)
{
size_t ss;
readFromBuffer(ss);
s = &buf_[bufPosition_];
bufPosition_ += ss + 1;
checkEof();
return *this;
}
Foam::Istream& Foam::IPstream::read(word& str)
{
size_t len;
readFromBuffer(len);
str = &buf_[bufPosition_];
bufPosition_ += len + 1;
checkEof();
return *this;
}
inline void IPstream::readFromBuffer(void* data, size_t count, size_t align)
{
if (align > 1)
{
bufPosition_ = align + ((bufPosition_ - 1) & ~(align - 1));
}
register const char* bufPtr = &buf_[bufPosition_];
register char* dataPtr = reinterpret_cast<char*>(data);
register size_t i = count;
while (i--) *dataPtr++ = *bufPtr++;
bufPosition_ += count;
checkEof();
}
inline void Foam::UIPstream::readFromBuffer
(
void* data,
size_t count,
size_t align
)
{
if (align > 1)
{
externalBufPosition_ =
align
+ ((externalBufPosition_ - 1) & ~(align - 1));
}
const char* bufPtr = &externalBuf_[externalBufPosition_];
char* dataPtr = reinterpret_cast<char*>(data);
size_t i = count;
while (i--) *dataPtr++ = *bufPtr++;
externalBufPosition_ += count;
checkEof();
}
