BasicIStreamWrapper< StreamType > Class Template Reference

Wrapper of std::basic_istream into RapidJSON's Stream concept. More...

#include <istreamwrapper.h>

Public Types
typedef StreamType::char_type	Ch

Public Member Functions
	BasicIStreamWrapper (StreamType &stream)
Ch	Peek () const
Ch	Take ()
size_t	Tell () const
Ch *	PutBegin ()
void	Put (Ch)
void	Flush ()
size_t	PutEnd (Ch *)
const Ch *	Peek4 () const

Detailed Description

template<typename StreamType>
class BasicIStreamWrapper< StreamType >

Wrapper of std::basic_istream into RapidJSON's Stream concept.

The classes can be wrapped including but not limited to:

• std::istringstream
• std::stringstream
• std::wistringstream
• std::wstringstream
• std::ifstream
• std::fstream
• std::wifstream
• std::wfstream

Template Parameters

StreamType

Class derived from std::basic_istream.

Definition at line 48 of file istreamwrapper.h.

Member Typedef Documentation

Ch

template<typename StreamType>

typedef StreamType::char_type BasicIStreamWrapper< StreamType >::Ch

Definition at line 50 of file istreamwrapper.h.

Constructor & Destructor Documentation

BasicIStreamWrapper()

template<typename StreamType>

BasicIStreamWrapper< StreamType >::BasicIStreamWrapper ( StreamType & stream )

inline

Definition at line 51 of file istreamwrapper.h.

: stream_(stream), count_(), peekBuffer_() {}

Member Function Documentation

Flush()

template<typename StreamType>

void BasicIStreamWrapper< StreamType >::Flush ( )

inline

Definition at line 73 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); }

Peek()

template<typename StreamType>

Ch BasicIStreamWrapper< StreamType >::Peek ( ) const

inline

Definition at line 53 of file istreamwrapper.h.

                    { 
        typename StreamType::int_type c = stream_.peek();
        return RAPIDJSON_LIKELY(c != StreamType::traits_type::eof()) ? static_cast<Ch>(c) : static_cast<Ch>('\0');
    }

Peek4()

template<typename StreamType>

const Ch * BasicIStreamWrapper< StreamType >::Peek4 ( ) const

inline

Definition at line 77 of file istreamwrapper.h.

                            {
        RAPIDJSON_ASSERT(sizeof(Ch) == 1); // Only usable for byte stream.
        int i;
        bool hasError = false;
        for (i = 0; i < 4; ++i) {
            typename StreamType::int_type c = stream_.get();
            if (c == StreamType::traits_type::eof()) {
                hasError = true;
                stream_.clear();
                break;
            }
            peekBuffer_[i] = static_cast<Ch>(c);
        }
        for (--i; i >= 0; --i)
            stream_.putback(peekBuffer_[i]);
        return !hasError ? peekBuffer_ : 0;
    }

Put()

template<typename StreamType>

void BasicIStreamWrapper< StreamType >::Put ( Ch )

inline

Definition at line 72 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); }

PutBegin()

template<typename StreamType>

Ch * BasicIStreamWrapper< StreamType >::PutBegin ( )

inline

Definition at line 71 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); return 0; }

PutEnd()

template<typename StreamType>

size_t BasicIStreamWrapper< StreamType >::PutEnd ( Ch * )

inline

Definition at line 74 of file istreamwrapper.h.

{ RAPIDJSON_ASSERT(false); return 0; }

Take()

template<typename StreamType>

Ch BasicIStreamWrapper< StreamType >::Take ( )

inline

Definition at line 58 of file istreamwrapper.h.

              { 
        typename StreamType::int_type c = stream_.get();
        if (RAPIDJSON_LIKELY(c != StreamType::traits_type::eof())) {
            count_++;
            return static_cast<Ch>(c);
        }
        else
            return '\0';
    }

Tell()

template<typename StreamType>

size_t BasicIStreamWrapper< StreamType >::Tell ( ) const

inline

Definition at line 69 of file istreamwrapper.h.

{ return count_; }

---

The documentation for this class was generated from the following file:

• /home/abuild/rpmbuild/BUILD/electroneum-5.1.3.1-build/electroneum-5.1.3.1/external/rapidjson/include/rapidjson/istreamwrapper.h