TBuffer

TBuffer

(private) new TBuffer()

Buffer object to read data from TFile

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Methods

canExtract()

Check if provided regions can be extracted from the buffer

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checkByteCount()

Check bytecount after object streaming

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classStreamer()

Invoke streamer for specified class

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clearObjectMap()

Clear objects map

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codeAt()

Get code at buffer position

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extract()

Extract area

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getMappedClass()

Get mapped class with provided tag

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getMappedObject()

Get mapped object with provided tag

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locate()

locate position in the buffer

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mapClass()

Map class

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mapObject()

Map object

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ntod()

read double

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ntof()

read float

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ntoi1()

read int8_t

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ntoi2()

read int16_t

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ntoi4()

read int32_t

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ntoi8()

read int64_t

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ntou1()

read uint8_t

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ntou2()

read uint16_t

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ntou4()

read uint32_t

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ntou8()

read uint64_t

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readBasketEntryOffset()

reading basket data

Description:

  • this is remaining part of TBasket streamer to decode fEntryOffset after unzipping of the TBasket data

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readClass()

read class definition from I/O buffer

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readFastArray()

Reads array of n values from the I/O buffer

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readFastString()

read Char_t array as string

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readNdimArray()

Read buffer as N-dim array

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readNullTerminatedString()

read Char_t array as string

Description:

  • stops when 0 is found

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readObjectAny()

Read any object from buffer data

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readTKey()

read TKey data

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readTString()

Read TString object (or equivalent)

Description:

  • std::string uses similar binary format

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readVersion()

read class version from I/O buffer

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remain()

Returns remaining place in the buffer

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shift()

shift position in the buffer

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substring()

Get part of buffer as string

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