dmlc::data::LibFMParser< IndexType, DType > Class Template Reference

Text parser that parses the input lines and returns rows in input data. More...

#include <libfm_parser.h>

Inheritance diagram for dmlc::data::LibFMParser< IndexType, DType >:

Public Member Functions
	LibFMParser (InputSplit *source, int nthread)
	LibFMParser (InputSplit *source, const std::map< std::string, std::string > &args, int nthread)
Public Member Functions inherited from dmlc::data::TextParserBase< IndexType, DType >
	TextParserBase (InputSplit *source, int nthread)
virtual void	BeforeFirst (void)
	set before first of the item
virtual size_t	BytesRead (void) const
virtual bool	ParseNext (std::vector< RowBlockContainer< IndexType, DType > > *data)
	read in next several blocks of data
Public Member Functions inherited from dmlc::data::ParserImpl< IndexType, DType >
virtual bool	Next (void)
	implement next
virtual const RowBlock< IndexType, DType > &	Value (void) const
	get current data
Public Member Functions inherited from dmlc::Parser< IndexType, DType >
Parser< uint32_t, real_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Parser< uint64_t, real_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Parser< uint32_t, int32_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Parser< uint64_t, int32_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Parser< uint32_t, int64_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Parser< uint64_t, int64_t > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
Public Member Functions inherited from dmlc::DataIter< DType >
virtual	~DataIter (void) DMLC_THROW_EXCEPTION
	destructor

Protected Member Functions
virtual void	ParseBlock (const char *begin, const char *end, RowBlockContainer< IndexType, DType > *out)
	parse data into out
Protected Member Functions inherited from dmlc::data::TextParserBase< IndexType, DType >
bool	FillData (std::vector< RowBlockContainer< IndexType, DType > > *data)
	read in next several blocks of data

Additional Inherited Members
Public Types inherited from dmlc::Parser< IndexType, DType >
typedef Parser< IndexType, DType > *(*	Factory) (const std::string &path, const std::map< std::string, std::string > &args, unsigned part_index, unsigned num_parts)
	Factory type of the parser.
Static Public Member Functions inherited from dmlc::Parser< IndexType, DType >
static Parser< IndexType, DType > *	Create (const char *uri_, unsigned part_index, unsigned num_parts, const char *type)
	create a new instance of parser based on the "type"
Static Protected Member Functions inherited from dmlc::data::TextParserBase< IndexType, DType >
static const char *	BackFindEndLine (const char *bptr, const char *begin)
	start from bptr, go backward and find first endof line
static void	IgnoreUTF8BOM (const char **begin, const char **end)
	Ignore UTF-8 BOM if present.
Protected Attributes inherited from dmlc::data::ParserImpl< IndexType, DType >
IndexType	data_ptr_
	pointer to begin and end of data
IndexType	data_end_
std::vector< RowBlockContainer< IndexType, DType > >	data_
	internal data
RowBlock< IndexType, DType >	block_
	internal row block

Detailed Description

template<typename IndexType, typename DType = real_t>
class dmlc::data::LibFMParser< IndexType, DType >

Text parser that parses the input lines and returns rows in input data.

Member Function Documentation

ParseBlock()

template<typename IndexType , typename DType >

void dmlc::data::LibFMParser< IndexType, DType >::ParseBlock ( const char *  begin, const char *  end, RowBlockContainer< IndexType, DType > *  out  )

protectedvirtual

parse data into out

Parameters

begin	beginning of buffer
end	end of buffer

Implements dmlc::data::TextParserBase< IndexType, DType >.

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

• External/xgboost/dmlc-core/src/data/libfm_parser.h