Glass::PostlistChunkReader Class Reference

PostlistChunkReader is essentially an iterator wrapper around a postlist chunk. More...

Collaboration diagram for Glass::PostlistChunkReader:

Public Member Functions
	PostlistChunkReader (Xapian::docid first_did, const string &data_)
	Initialise the postlist chunk reader. More...
Xapian::docid	get_docid () const
Xapian::termcount	get_wdf () const
bool	is_at_end () const
void	next ()
	Advance to the next entry. More...

Private Attributes
string	data
const char *	pos
const char *	end
bool	at_end
Xapian::docid	did
Xapian::termcount	wdf

Detailed Description

PostlistChunkReader is essentially an iterator wrapper around a postlist chunk.

It simply iterates through the entries in a postlist.

Definition at line 282 of file glass_postlist.cc.

Constructor & Destructor Documentation

PostlistChunkReader()

Glass::PostlistChunkReader::PostlistChunkReader ( Xapian::docid  first_did, const string &  data_  )

inline

Initialise the postlist chunk reader.

Parameters

first_did	First document id in this chunk.
data	The tag string with the header removed.

Definition at line 299 of file glass_postlist.cc.

References at_end, end, pos, read_wdf(), and wdf.

Member Function Documentation

get_docid()

Xapian::docid Glass::PostlistChunkReader::get_docid ( ) const

inline

Definition at line 305 of file glass_postlist.cc.

References did.

Referenced by GlassPostListTable::merge_changes(), and GlassPostListTable::merge_doclen_changes().

get_wdf()

Xapian::termcount Glass::PostlistChunkReader::get_wdf ( ) const

inline

Definition at line 308 of file glass_postlist.cc.

References wdf.

Referenced by GlassPostListTable::merge_changes(), and GlassPostListTable::merge_doclen_changes().

is_at_end()

bool Glass::PostlistChunkReader::is_at_end ( ) const

inline

Definition at line 312 of file glass_postlist.cc.

References at_end.

Referenced by GlassPostListTable::merge_changes(), and GlassPostListTable::merge_doclen_changes().

next()

void PostlistChunkReader::next

(

)

Advance to the next entry.

Set at_end if we run off the end.

Definition at line 324 of file glass_postlist.cc.

References at_end, did, end, pos, read_did_increase(), read_wdf(), and wdf.

Referenced by GlassPostListTable::merge_changes(), and GlassPostListTable::merge_doclen_changes().

Member Data Documentation

at_end

bool Glass::PostlistChunkReader::at_end

private

Definition at line 288 of file glass_postlist.cc.

Referenced by is_at_end(), next(), and PostlistChunkReader().

data

string Glass::PostlistChunkReader::data

private

Definition at line 283 of file glass_postlist.cc.

did

Xapian::docid Glass::PostlistChunkReader::did

private

Definition at line 290 of file glass_postlist.cc.

Referenced by get_docid(), and next().

end

const char* Glass::PostlistChunkReader::end

private

Definition at line 286 of file glass_postlist.cc.

Referenced by next(), and PostlistChunkReader().

pos

const char* Glass::PostlistChunkReader::pos

private

Definition at line 285 of file glass_postlist.cc.

Referenced by next(), and PostlistChunkReader().

wdf

Xapian::termcount Glass::PostlistChunkReader::wdf

private

Definition at line 291 of file glass_postlist.cc.

Referenced by get_wdf(), next(), and PostlistChunkReader().

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

• backends/glass/glass_postlist.cc