LightGBM::CSVParser Class Reference

Inheritance diagram for LightGBM::CSVParser:

Public Member Functions
	CSVParser (int label_idx, int total_columns)
void	ParseOneLine (const char *str, std::vector< std::pair< int, double > > *out_features, double *out_label) const override
	Parse one line with label.
int	TotalColumns () const override
Public Member Functions inherited from LightGBM::Parser
virtual	~Parser ()
	virtual destructor

Additional Inherited Members
Static Public Member Functions inherited from LightGBM::Parser
static Parser *	CreateParser (const char *filename, bool header, int num_features, int label_idx)
	Create a object of parser, will auto choose the format depend on file.

Member Function Documentation

ParseOneLine()

void LightGBM::CSVParser::ParseOneLine ( const char *  str, std::vector< std::pair< int, double > > *  out_features, double *  out_label  ) const

inlineoverridevirtual

Parse one line with label.

Parameters

str	One line record, string format, should end with '\0'
out_features	Output columns, store in (column_idx, values)
out_label	Label will store to this if exists

Implements LightGBM::Parser.

TotalColumns()

int LightGBM::CSVParser::TotalColumns ( ) const

inlineoverridevirtual

Implements LightGBM::Parser.

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

• External/LightGBM_2.2.3/LightGBM-2.2.3/src/io/parser.hpp