streambuf
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基本[医]Streambuf提取原始设备%28类模板%29
台培
流光基[医]流光<char>
wStrebuf Basic[医]Streambuf<wchar[医]T>
简介
二次
namespace std {
template <class charT, class traits = char_traits<charT> >
class basic_streambuf;
typedef basic_streambuf<char> streambuf;
typedef basic_streambuf<wchar_t> wstreambuf;
}
二次
类std::basic_streambuf
二次
template <class charT, class traits = char_traits<charT> >
class basic_streambuf {
public:
// types:
typedef charT char_type;
typedef typename traits::int_type int_type;
typedef typename traits::pos_type pos_type;
typedef typename traits::off_type off_type;
typedef traits traits_type;
virtual ~basic_streambuf();
// locales:
locale pubimbue(const locale& loc);
locale getloc() const;
// buffer and positioning:
basic_streambuf<char_type,traits>*
pubsetbuf(char_type* s, streamsize n);
pos_type pubseekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in|ios_base::out);
pos_type pubseekpos(pos_type sp,
ios_base::openmode which = ios_base::in|ios_base::out);
int pubsync();
// Get area:
streamsize in_avail();
int_type snextc();
int_type sbumpc();
int_type sgetc();
streamsize sgetn(char_type* s, streamsize n);
// Putback:
int_type sputbackc(char_type c);
int_type sungetc();
// Put area:
int_type sputc(char_type c);
streamsize sputn(const char_type* s, streamsize n);
protected:
basic_streambuf();
basic_streambuf(const basic_streambuf& rhs);
basic_streambuf& operator=(const basic_streambuf& rhs);
void swap(basic_streambuf& rhs);
// Get area:
char_type* eback() const;
char_type* gptr() const;
char_type* egptr() const;
void gbump(int n);
void setg(char_type* gbeg, char_type* gnext, char_type* gend);
// Put area:
char_type* pbase() const;
char_type* pptr() const;
char_type* epptr() const;
void pbump(int n);
void setp(char_type* pbeg, char_type* pend);
// virtual functions:
// Locales:
virtual void imbue(const locale& loc);
// Buffer management and positioning:
virtual basic_streambuf<char_type,traits>* setbuf(char_type* s, streamsize n);
virtual pos_type seekoff(off_type off, ios_base::seekdir way,
ios_base::openmode which = ios_base::in|ios_base::out);
virtual pos_type seekpos(pos_type sp,
ios_base::openmode which = ios_base::in|ios_base::out);
virtual int sync();
// Get area:
virtual streamsize showmanyc();
virtual streamsize xsgetn(char_type* s, streamsize n);
virtual int_type underflow();
virtual int_type uflow();
// Putback:
virtual int_type pbackfail(int_type c = traits::eof());
// Put area:
virtual streamsize xsputn(const char_type* s, streamsize n);
virtual int_type overflow (int_type c = traits::eof());
};
二次
? cppreference.com
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