elc::defs::stream_n::std_istream_wrap< char_T, traits > 模板结构体 参考

类 elc::defs::stream_n::std_istream_wrap< char_T, traits > 继承关系图:

elc::defs::stream_n::std_istream_wrap< char_T, traits > 的协作图:

Public 类型
typedef ::std::basic_istream< char_T, traits >	stream_t
Public 类型 继承自 elc::defs::stream_n::text_stream_t< char_T >
typedef char_T	char_type
typedef char_type	data_type

Public 成员函数
	std_istream_wrap (stream_t &stream) noexcept
virtual	~std_istream_wrap () noexcept override=default
virtual int_t	seek (seek_type dir, int_t off) noexcept override
virtual int_t	tell () noexcept override
virtual void	seek_to (int_t pos) noexcept override
virtual void	sync () noexcept override
virtual void	flush () noexcept override
virtual void	close () noexcept override
virtual size_t	read (char_T *buf, size_t size) noexcept override
Public 成员函数 继承自 elc::defs::stream_n::noexcept_text_istream_t< char_T >
virtual void	unread (const char_T *buf, size_t size) noexcept override=0
virtual char_T	peek () noexcept override
virtual char_T	get () noexcept override
Public 成员函数 继承自 elc::defs::stream_n::base_stream_t
virtual	~base_stream_t ()=default
Public 成员函数 继承自 elc::defs::stream_n::noexcept_not_unreadable_istream_t
virtual bool	is_end () noexcept override=0
virtual bool	waitting_for_data () noexcept override=0
virtual	operator bool () noexcept override

Public 属性
stream_t &	_stream

详细描述

template<class char_T, class traits = ::std::char_traits<char_T>>
struct elc::defs::stream_n::std_istream_wrap< char_T, traits >

在文件 all_defs.cpp 第 29469 行定义.

成员类型定义说明

stream_t

template<class char_T , class traits = ::std::char_traits<char_T>>

typedef ::std::basic_istream<char_T,traits> elc::defs::stream_n::std_istream_wrap< char_T, traits >::stream_t

在文件 all_defs.cpp 第 29470 行定义.

构造及析构函数说明

std_istream_wrap()

template<class char_T , class traits = ::std::char_traits<char_T>>

elc::defs::stream_n::std_istream_wrap< char_T, traits >::std_istream_wrap ( stream_t &  stream )

inlinenoexcept

在文件 all_defs.cpp 第 29472 行定义.

:_stream(stream){}

~std_istream_wrap()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual elc::defs::stream_n::std_istream_wrap< char_T, traits >::~std_istream_wrap ( )

overridevirtualdefaultnoexcept

成员函数说明

close()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual void elc::defs::stream_n::std_istream_wrap< char_T, traits >::close ( )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::base_stream_t.

在文件 all_defs.cpp 第 29533 行定义.

                                         {
        _stream.sync();
    }

flush()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual void elc::defs::stream_n::std_istream_wrap< char_T, traits >::flush ( )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::base_stream_t.

在文件 all_defs.cpp 第 29530 行定义.

                                         {
        _stream.sync();
    }

read()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual size_t elc::defs::stream_n::std_istream_wrap< char_T, traits >::read ( char_T *  buf, size_t  size  )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::noexcept_not_unreadable_text_istream_t< char_T >.

在文件 all_defs.cpp 第 29536 行定义.

                                                                {
        typename stream_t::iostate state = stream_t::goodbit;
        const typename stream_t::sentry isok(_stream);
 
        if(!isok)
            state |= stream_t::badbit;
        else{
            try{
                _stream.read(buf,size);
                return size_t(_stream.gcount());
            }catch(...){
                state |= stream_t::badbit;
            }
        }
        _stream.setstate(state);
        return 0;
    }

seek()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual int_t elc::defs::stream_n::std_istream_wrap< char_T, traits >::seek ( seek_type  dir, int_t  off  )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::base_stream_t.

在文件 all_defs.cpp 第 29479 行定义.

                                                                {
        typename stream_t::iostate state = stream_t::goodbit;
        const typename stream_t::sentry isok(_stream);
 
        if(!isok)
            state |= stream_t::badbit;
        else{
            try{
                switch(dir){
                    case beg:
                        _stream.seekg(off);
                        break;
                    case cur:
                        _stream.seekg(off,_stream.cur);
                        break;
                    case end:
                        _stream.seekg(off,_stream.end);
                        break;
                }
                return tell();
            }catch(...){
                state |= stream_t::badbit;
            }
        }
        _stream.setstate(state);
        return -1;
    }

seek_to()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual void elc::defs::stream_n::std_istream_wrap< char_T, traits >::seek_to ( int_t  pos )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::base_stream_t.

在文件 all_defs.cpp 第 29523 行定义.

                                                    {
        const typename stream_t::pos_type base_p;
        _stream.seekg(base_p+pos);
    }

sync()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual void elc::defs::stream_n::std_istream_wrap< char_T, traits >::sync ( )

inlineoverridevirtualnoexcept

实现了 elc::defs::stream_n::base_stream_t.

在文件 all_defs.cpp 第 29527 行定义.

                                        {
        _stream.sync();
    }

tell()

template<class char_T , class traits = ::std::char_traits<char_T>>

virtual int_t elc::defs::stream_n::std_istream_wrap< char_T, traits >::tell ( )

inlineoverridevirtualnoexcept

重载 elc::defs::stream_n::base_stream_t .

在文件 all_defs.cpp 第 29506 行定义.

                                         {
        typename stream_t::iostate state = stream_t::goodbit;
        const typename stream_t::sentry isok(_stream);
 
        if(!isok)
            state |= stream_t::badbit;
        else{
            try{
                const typename stream_t::pos_type base_p;
                return int_t(_stream.tellg()-base_p);
            }catch(...){
                state |= stream_t::badbit;
            }
        }
        _stream.setstate(state);
        return -1;
    }

类成员变量说明

_stream

template<class char_T , class traits = ::std::char_traits<char_T>>

stream_t& elc::defs::stream_n::std_istream_wrap< char_T, traits >::_stream

在文件 all_defs.cpp 第 29471 行定义.

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该结构体的文档由以下文件生成:

• docs/all_defs.cpp