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System::IO::BinaryReader Class Reference

Represents a reader that reads primitive data types as binary data in particular encoding. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument. More...

#include <binary_reader.h>

Inherits System::IDisposable.

Public Member Functions

 BinaryReader (const SharedPtr< Stream > &input)
 Constructs an instance of BinaryReader class that reads data from the specified stream using UTF-8 encoding. More...
 
 BinaryReader (const SharedPtr< Stream > &input, const SharedPtr< Text::Encoding > &encoding)
 Constructs an instance of BinaryReader class that reads data from the specified stream using the specified encoding. More...
 
 BinaryReader (const SharedPtr< Stream > &input, const SharedPtr< Text::Encoding > &encoding, bool leaveOpen)
 Constructs an instance of BinaryReader class that reads data from the specified stream using the specified encoding. More...
 
virtual SharedPtr< Streamget_BaseStream ()
 Returns the input stream. More...
 
virtual void Close ()
 Closes the current BinaryReader object and the underlying input stream. More...
 
virtual ~BinaryReader ()
 Destructor. More...
 
virtual int PeekChar ()
 Reads a single character from the input stream without changing the stream's read cursor. More...
 
virtual int Read ()
 Reads a single character from the input stream. More...
 
virtual int Read (ArrayPtr< uint8_t > buffer, int index, int count)
 Reads the specified number of bytes from the input stream and writes them to the specified byte array. More...
 
virtual int Read (ArrayPtr< char_t > buffer, int index, int count)
 Reads the specified number of characters from the input stream, converts them to UTF-16 encoding and writes the resulting UTF-16 characters to the specified character array starting at the specified position. More...
 
virtual bool ReadBoolean ()
 Reads a single byte from the input stream and returns its boolean representation. More...
 
virtual uint8_t ReadByte ()
 Reads a single byte from the input stream. More...
 
virtual ArrayPtr< uint8_t > ReadBytes (int count)
 Reads the specified number of bytes from the input stream. More...
 
virtual char_t ReadChar ()
 Reads a single character from the input stream. More...
 
virtual ArrayPtr< char_t > ReadChars (int count)
 Reads the specified number of characters from the input stream and returns them in UTF-16 ecoding. More...
 
virtual double ReadDouble ()
 Reads 8 bytes from the input stream and returns them as a double-precision floating point value. More...
 
virtual int16_t ReadInt16 ()
 Reads 2 bytes from the input stream and returns them as a 16-bit integer value. More...
 
virtual int ReadInt32 ()
 Reads 4 bytes from the input stream and returns them as a 32-bit integer value. More...
 
virtual int64_t ReadInt64 ()
 Reads 8 bytes from the input stream and returns them as a 64-bit integer value. More...
 
virtual int8_t ReadSByte ()
 Reads a single byte from the input stream and returns it as a signed 8-bit integer value. More...
 
virtual String ReadString ()
 Reads a string from the current stream. The string is prefixed with the length, encoded as an integer seven bits at a time. More...
 
virtual float ReadSingle ()
 Reads 4 bytes from the input stream and returns them as a single-precision floating point value. More...
 
virtual uint16_t ReadUInt16 ()
 Reads 2 bytes from the input stream and returns them as an unsigned 16-bit integer value. More...
 
virtual uint32_t ReadUInt32 ()
 Reads 4 bytes from the input stream and returns them as an unsigned 32-bit integer value. More...
 
virtual uint64_t ReadUInt64 ()
 Reads 8 bytes from the input stream and returns them as an unsigned 64-bit integer value. More...
 
virtual Decimal ReadDecimal ()
 NOT IMPLEMENTED. More...
 
virtual void Dispose () override
 Releases all resources used by the current object and closes the undelying stream. More...
 
virtual void Dispose ()
 Does nothing. More...
 
- Public Member Functions inherited from System::Object
 Object ()
 Creates object. Initializes all internal data structures. More...
 
virtual ~Object ()
 Destroys object. Frees all internal data structures. More...
 
 Object (Object const &x)
 Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
Objectoperator= (Object const &x)
 Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
ObjectSharedRefAdded ()
 Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
int SharedRefRemovedSafe ()
 Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
int RemovedSharedRefs (int count)
 Decreases shared reference count by specified value. More...
 
Detail::SmartPtrCounter * WeakRefAdded ()
 Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
void WeakRefRemoved ()
 Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
Detail::SmartPtrCounter * GetCounter ()
 Gets reference counter data structure associated with the object. More...
 
int SharedCount () const
 Gets current value of shared reference counter. More...
 
void Lock ()
 Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...
 
void Unlock ()
 Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...
 
virtual bool Equals (ptr obj)
 Compares objects using C# Object.Equals semantics. More...
 
virtual int32_t GetHashCode () const
 Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...
 
virtual String ToString () const
 Analog of C# Object.ToString() method. Enables converting custom objects to string. More...
 
virtual ptr MemberwiseClone () const
 Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...
 
virtual const TypeInfoGetType () const
 Gets actual type of object. Analog of C# System.Object.GetType() call. More...
 
virtual bool Is (const TypeInfo &targetType) const
 Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...
 
virtual void SetTemplateWeakPtr (uint32_t argument)
 Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...
 
virtual bool FastCast (const Details::FastRttiBase &helper, void **out_ptr) const
 For internal purposes only. More...
 
template<>
bool ReferenceEquals (String const &str, std::nullptr_t)
 Specialization of Object::ReferenceEquals for case of string and nullptr. More...
 
template<>
bool ReferenceEquals (String const &str1, String const &str2)
 Specialization of Object::ReferenceEquals for case of strings. More...
 

Protected Member Functions

int Read7BitEncodedInt ()
 Reads integer value encoded in 7-bit (8th bit used as overflow park). More...
 

Additional Inherited Members

- Public Types inherited from System::Object
typedef SmartPtr< Objectptr
 Alias for smart pointer type. More...
 
- Static Public Member Functions inherited from System::Object
static bool ReferenceEquals (ptr const &objA, ptr const &objB)
 Compares objects by reference. More...
 
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type ReferenceEquals (T const &objA, T const &objB)
 Compares objects by reference. More...
 
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type ReferenceEquals (T const &objA, std::nullptr_t)
 Reference-compares value type object with nullptr. More...
 
template<typename T1 , typename T2 >
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type Equals (T1 const &objA, T2 const &objB)
 Compares reference type objects in C# style. More...
 
template<typename T1 , typename T2 >
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type Equals (T1 const &objA, T2 const &objB)
 Compares value type objects in C# style. More...
 
static const TypeInfoType ()
 Implements C# typeof(System.Object) construct. More...
 
template<>
bool Equals (float const &objA, float const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 
template<>
bool Equals (double const &objA, double const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 

Detailed Description

Represents a reader that reads primitive data types as binary data in particular encoding. Objects of this class should only be allocated using System::MakeObject() function. Never create instance of this type on stack or using operator new, as it will result in runtime errors and/or assertion faults. Always wrap this class into System::SmartPtr pointer and use this pointer to pass it to functions as argument.

Constructor & Destructor Documentation

◆ BinaryReader() [1/3]

System::IO::BinaryReader::BinaryReader ( const SharedPtr< Stream > &  input)

Constructs an instance of BinaryReader class that reads data from the specified stream using UTF-8 encoding.

Parameters
inputThe input stream

◆ BinaryReader() [2/3]

System::IO::BinaryReader::BinaryReader ( const SharedPtr< Stream > &  input,
const SharedPtr< Text::Encoding > &  encoding 
)

Constructs an instance of BinaryReader class that reads data from the specified stream using the specified encoding.

Parameters
inputThe input stream
encodingThe encoding to use

◆ BinaryReader() [3/3]

System::IO::BinaryReader::BinaryReader ( const SharedPtr< Stream > &  input,
const SharedPtr< Text::Encoding > &  encoding,
bool  leaveOpen 
)

Constructs an instance of BinaryReader class that reads data from the specified stream using the specified encoding.

Parameters
inputThe input stream
encodingThe encoding to use
leaveOpenSpecifies whether the stream input should be left open (true) after the current object has been disposed or not (false)

◆ ~BinaryReader()

virtual System::IO::BinaryReader::~BinaryReader ( )
virtual

Destructor.

Member Function Documentation

◆ Close()

virtual void System::IO::BinaryReader::Close ( )
virtual

Closes the current BinaryReader object and the underlying input stream.

◆ Dispose()

virtual void System::IO::BinaryReader::Dispose ( )
overridevirtual

Releases all resources used by the current object and closes the undelying stream.

Reimplemented from System::IDisposable.

◆ get_BaseStream()

virtual SharedPtr< Stream > System::IO::BinaryReader::get_BaseStream ( )
virtual

Returns the input stream.

◆ PeekChar()

virtual int System::IO::BinaryReader::PeekChar ( )
virtual

Reads a single character from the input stream without changing the stream's read cursor.

Returns
Read character encoded with UTF-16 encoding; if the read character is represented by two codepoints in UTF-16 encoding then only the high surragate is returned; if no character was read -1 is returned

◆ Read() [1/3]

virtual int System::IO::BinaryReader::Read ( )
virtual

Reads a single character from the input stream.

Returns
Read character encoded with UTF-16 encoding; if the read character is represented by two codepoints in UTF-16 encoding then only the high surragate is returned.

◆ Read() [2/3]

virtual int System::IO::BinaryReader::Read ( ArrayPtr< char_t >  buffer,
int  index,
int  count 
)
virtual

Reads the specified number of characters from the input stream, converts them to UTF-16 encoding and writes the resulting UTF-16 characters to the specified character array starting at the specified position.

Parameters
bufferThe UTF-16 character array to write the characters read from the input stream to
indexA 0-based index in buffer at which to start writing
countThe number of characters to read from the stream
Returns
The number of characters read from the input stream

◆ Read() [3/3]

virtual int System::IO::BinaryReader::Read ( ArrayPtr< uint8_t >  buffer,
int  index,
int  count 
)
virtual

Reads the specified number of bytes from the input stream and writes them to the specified byte array.

Parameters
bufferThe byte array to write the read bytes to
indexA 0-based position in buffer to start writing at
countThe number of bytes to read
Returns
The number of bytes read

◆ Read7BitEncodedInt()

int System::IO::BinaryReader::Read7BitEncodedInt ( )
protected

Reads integer value encoded in 7-bit (8th bit used as overflow park).

Returns
Integer value that was read.

◆ ReadBoolean()

virtual bool System::IO::BinaryReader::ReadBoolean ( )
virtual

Reads a single byte from the input stream and returns its boolean representation.

Returns
True if the read byte is not equal to 0, otherwise - false

◆ ReadByte()

virtual uint8_t System::IO::BinaryReader::ReadByte ( )
virtual

Reads a single byte from the input stream.

Returns
The byte read

◆ ReadBytes()

virtual ArrayPtr< uint8_t > System::IO::BinaryReader::ReadBytes ( int  count)
virtual

Reads the specified number of bytes from the input stream.

Parameters
countThe number of bytes to read
Returns
A byte array containing the read bytes

◆ ReadChar()

virtual char_t System::IO::BinaryReader::ReadChar ( )
virtual

Reads a single character from the input stream.

Returns
A character read; if the read character is represented by two codepoints in UTF-16 encoding then only the high surragate is returned.

◆ ReadChars()

virtual ArrayPtr< char_t > System::IO::BinaryReader::ReadChars ( int  count)
virtual

Reads the specified number of characters from the input stream and returns them in UTF-16 ecoding.

Parameters
countThe number of characters to read from the input stream
Returns
An array containing the read characters

◆ ReadDecimal()

virtual Decimal System::IO::BinaryReader::ReadDecimal ( )
virtual

NOT IMPLEMENTED.

Exceptions
NotImplementedExceptionalways

◆ ReadDouble()

virtual double System::IO::BinaryReader::ReadDouble ( )
virtual

Reads 8 bytes from the input stream and returns them as a double-precision floating point value.

Returns
A double-precision floating point value read

◆ ReadInt16()

virtual int16_t System::IO::BinaryReader::ReadInt16 ( )
virtual

Reads 2 bytes from the input stream and returns them as a 16-bit integer value.

Returns
A 16-bit integer value read

◆ ReadInt32()

virtual int System::IO::BinaryReader::ReadInt32 ( )
virtual

Reads 4 bytes from the input stream and returns them as a 32-bit integer value.

Returns
A 132-bit integer value read

◆ ReadInt64()

virtual int64_t System::IO::BinaryReader::ReadInt64 ( )
virtual

Reads 8 bytes from the input stream and returns them as a 64-bit integer value.

Returns
A 64-bit integer value read

◆ ReadSByte()

virtual int8_t System::IO::BinaryReader::ReadSByte ( )
virtual

Reads a single byte from the input stream and returns it as a signed 8-bit integer value.

Returns
A signed 8-bit integer value read

◆ ReadSingle()

virtual float System::IO::BinaryReader::ReadSingle ( )
virtual

Reads 4 bytes from the input stream and returns them as a single-precision floating point value.

Returns
A single-precision floating point value read

◆ ReadString()

virtual String System::IO::BinaryReader::ReadString ( )
virtual

Reads a string from the current stream. The string is prefixed with the length, encoded as an integer seven bits at a time.

Returns
The read string

◆ ReadUInt16()

virtual uint16_t System::IO::BinaryReader::ReadUInt16 ( )
virtual

Reads 2 bytes from the input stream and returns them as an unsigned 16-bit integer value.

Returns
An unsigned 16-bit integer value read

◆ ReadUInt32()

virtual uint32_t System::IO::BinaryReader::ReadUInt32 ( )
virtual

Reads 4 bytes from the input stream and returns them as an unsigned 32-bit integer value.

Returns
An unsigned 32-bit integer value read

◆ ReadUInt64()

virtual uint64_t System::IO::BinaryReader::ReadUInt64 ( )
virtual

Reads 8 bytes from the input stream and returns them as an unsigned 64-bit integer value.

Returns
An unsigned 64-bit integer value read