Input file stream buffer.
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#include <JFileStreamBuffer.hh>
Input file stream buffer.
Definition at line 25 of file JFileStreamBuffer.hh.
JLANG::JFileInputStreamBuffer::JFileInputStreamBuffer |
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const JAbstractFile & |
file, |
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const std::size_t |
size = 65536 , |
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const std::size_t |
put_back = 8 |
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inline |
Constructor.
- Parameters
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file | file |
size | size of internal buffer |
put_back | number of put back characters |
Definition at line 42 of file JFileStreamBuffer.hh.
48 resize(size + put_back),
50 setg(this->data(), this->data(), this->data());
virtual int_type JLANG::JFileInputStreamBuffer::underflow |
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inlinevirtual |
Check underflow.
This method reads as many bytes as possible.
- Returns
- first character if OK; else EOF
Definition at line 60 of file JFileStreamBuffer.hh.
62 if (gptr() >= egptr()) {
64 char* __begin = this->data();
66 if (eback() == __begin) {
75 const size_t len =
in.
read(__begin, this->size() - (__begin - this->data()));
78 setg(this->data(), __begin, __begin + len);
80 return traits_type::eof();
virtual int read(char *buffer, const int length)
Read data from file.
Check availability of input.
This method returns true if at least one byte can be read without blocking.
- Parameters
-
- Returns
- true if ready to read; else false
Definition at line 94 of file JFileStreamBuffer.hh.
Auxiliary class for method select.
bool in_avail(JTimeval timeout=JTimeval::min())
Check availability of input.
JFile JLANG::JFileInputStreamBuffer::in |
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protected |
std::size_t JLANG::JFileInputStreamBuffer::memory |
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protected |
The documentation for this class was generated from the following file: