Honey::DocLenChunkReader Class Reference

#include <honey_alldocspostlist.h>

Public Member Functions
	DocLenChunkReader ()
	Create a DocLenChunkReader which is already at_end(). More...
bool	update (HoneyCursor *cursor)
	Update to use the chunk currently pointed to by cursor. More...
bool	at_end () const
Xapian::docid	get_docid () const
Xapian::termcount	get_doclength () const
bool	next ()
bool	skip_to (Xapian::docid target)
bool	find_doclength (Xapian::docid target)
	Searches the whole chunk (skip_to() only advances). More...
Xapian::termcount	back ()
	Return the last document length in this chunk. More...

Private Member Functions
bool	read_doclen (const unsigned char *q)

Private Attributes
unsigned const char *	p = nullptr
unsigned const char *	end
Xapian::docid	did
Xapian::termcount	doclen
unsigned	width

Detailed Description

Definition at line 90 of file honey_alldocspostlist.h.

Constructor & Destructor Documentation

DocLenChunkReader()

Honey::DocLenChunkReader::DocLenChunkReader ( )

inline

Create a DocLenChunkReader which is already at_end().

Definition at line 104 of file honey_alldocspostlist.h.

Member Function Documentation

at_end()

bool Honey::DocLenChunkReader::at_end ( ) const

inline

Definition at line 109 of file honey_alldocspostlist.h.

References p.

Referenced by HoneyAllDocsPostList::check(), HoneyAllDocsPostList::next(), and HoneyAllDocsPostList::skip_to().

back()

Xapian::termcount Honey::DocLenChunkReader::back ( )

inline

Return the last document length in this chunk.

Definition at line 129 of file honey_alldocspostlist.h.

References doclen, end, read_doclen(), and width.

Referenced by HoneyDatabase::get_doclength().

find_doclength()

bool Honey::DocLenChunkReader::find_doclength

(

Xapian::docid

target

)

Searches the whole chunk (skip_to() only advances).

Don't call this method and any of next()/skip_to()/at_end() on the same object (unless there's an intervening call to update()).

Return false if this isn't the right chunk.

Definition at line 296 of file honey_alldocspostlist.cc.

References Assert, did, end, p, read_doclen(), and width.

Referenced by HoneyDatabase::get_doclength().

get_docid()

Xapian::docid Honey::DocLenChunkReader::get_docid ( ) const

inline

Definition at line 111 of file honey_alldocspostlist.h.

References did.

Referenced by HoneyAllDocsPostList::get_docid().

get_doclength()

Xapian::termcount Honey::DocLenChunkReader::get_doclength ( ) const

inline

Definition at line 113 of file honey_alldocspostlist.h.

References doclen.

Referenced by HoneyDatabase::get_doclength().

next()

bool Honey::DocLenChunkReader::next

(

)

Definition at line 257 of file honey_alldocspostlist.cc.

References did, end, p, read_doclen(), and width.

Referenced by HoneyAllDocsPostList::next(), and skip_to().

read_doclen()

bool Honey::DocLenChunkReader::read_doclen ( const unsigned char *  q )

private

Definition at line 202 of file honey_alldocspostlist.cc.

References doclen, unaligned_read2(), unaligned_read4(), and width.

Referenced by back(), find_doclength(), next(), skip_to(), and update().

skip_to()

bool Honey::DocLenChunkReader::skip_to

(

Xapian::docid

target

)

Definition at line 272 of file honey_alldocspostlist.cc.

References did, end, next(), p, read_doclen(), and width.

Referenced by HoneyAllDocsPostList::check(), and HoneyAllDocsPostList::skip_to().

update()

bool Honey::DocLenChunkReader::update

(

HoneyCursor *

cursor

)

Update to use the chunk currently pointed to by cursor.

Definition at line 225 of file honey_alldocspostlist.cc.

References HoneyCursor::current_key, HoneyCursor::current_tag, did, Honey::docid_from_key(), end, p, rare, read_doclen(), HoneyCursor::read_tag(), and width.

Referenced by HoneyAllDocsPostList::check(), HoneyDatabase::get_doclength(), HoneyAllDocsPostList::next(), and HoneyAllDocsPostList::skip_to().

Member Data Documentation

did

Xapian::docid Honey::DocLenChunkReader::did

private

Definition at line 94 of file honey_alldocspostlist.h.

Referenced by find_doclength(), get_docid(), next(), skip_to(), and update().

doclen

Xapian::termcount Honey::DocLenChunkReader::doclen

private

Definition at line 96 of file honey_alldocspostlist.h.

Referenced by back(), get_doclength(), and read_doclen().

end

unsigned const char* Honey::DocLenChunkReader::end

private

Definition at line 92 of file honey_alldocspostlist.h.

Referenced by back(), find_doclength(), next(), skip_to(), and update().

p

unsigned const char* Honey::DocLenChunkReader::p = nullptr

private

Definition at line 91 of file honey_alldocspostlist.h.

Referenced by at_end(), find_doclength(), next(), skip_to(), and update().

width

unsigned Honey::DocLenChunkReader::width

private

Definition at line 98 of file honey_alldocspostlist.h.

Referenced by back(), find_doclength(), next(), read_doclen(), skip_to(), and update().

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

• backends/honey/honey_alldocspostlist.h
• backends/honey/honey_alldocspostlist.cc