You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
192 lines
5.1 KiB
192 lines
5.1 KiB
//+-------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1991 - 1998.
|
|
//
|
|
// File: FRETABLE.CXX
|
|
//
|
|
// Contents: Fresh table
|
|
//
|
|
// Classes: CFreshTable
|
|
//
|
|
// History: 15-Oct-91 BartoszM created
|
|
// 5-Dec-97 dlee rewrote as simple sorted array
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
#include <pch.cxx>
|
|
#pragma hdrstop
|
|
|
|
#include <fretable.hxx>
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CFreshTable::Add, public
|
|
//
|
|
// Synopsis: Adds an entry to the table
|
|
//
|
|
// Arguments: [wid] -- work id
|
|
// [iid] -- index id
|
|
//
|
|
// History: 5-Dec-97 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CFreshTable::Add( WORKID wid, INDEXID iid )
|
|
{
|
|
//
|
|
// The most typical case is that items arrive sorted. Use Get() instead
|
|
// of operator [] since Add isn't const.
|
|
//
|
|
|
|
ULONG cItems = _aItems.Count();
|
|
ULONG index;
|
|
|
|
if ( 0 == cItems )
|
|
index = 0;
|
|
else if ( wid > _aItems.Get( cItems - 1 )._wid )
|
|
index = cItems;
|
|
else
|
|
{
|
|
CSortable<CFreshItem,WORKID> sort( _aItems );
|
|
|
|
// duplicates are not expected here
|
|
|
|
Win4Assert( !sort.Search( wid ) );
|
|
|
|
index = sort.FindInsertionPoint( wid );
|
|
|
|
ciDebugOut(( DEB_ITRACE, "insert, count %d index %d\n",
|
|
cItems, index ));
|
|
}
|
|
|
|
CFreshItem itemTmp;
|
|
itemTmp._wid = wid;
|
|
itemTmp._iid = iid;
|
|
|
|
_aItems.Insert( itemTmp, index );
|
|
} //Add
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CFreshTable::AddReplace, public
|
|
//
|
|
// Synopsis: Either updates the iid of an existing item, or adds the item
|
|
//
|
|
// Arguments: [wid] -- work id
|
|
// [iid] -- index id
|
|
//
|
|
// History: 5-Dec-97 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
INDEXID CFreshTable::AddReplace( WORKID wid, INDEXID iid )
|
|
{
|
|
CFreshItem * p = Find( wid );
|
|
INDEXID iidOld;
|
|
|
|
if ( 0 == p )
|
|
{
|
|
iidOld = iidInvalid;
|
|
Add( wid, iid );
|
|
}
|
|
else
|
|
{
|
|
iidOld = p->_iid;
|
|
p->_iid = iid;
|
|
}
|
|
|
|
return iidOld;
|
|
} //AddReplace
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CFreshTable::CFreshTable, public
|
|
//
|
|
// Synopsis: Constructs a fresh table
|
|
//
|
|
// Arguments: [freshTable] -- Table from which a copy is made
|
|
//
|
|
// History: 5-Dec-97 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CFreshTable::CFreshTable(
|
|
CFreshTable & freshTable ) :
|
|
_aItems( freshTable._aItems,
|
|
freshTable._aItems.Count() + CI_MAX_DOCS_IN_WORDLIST )
|
|
{
|
|
//
|
|
// the CI_MAX_DOCS_IN_WORDLIST above is a hint that up to 16 items may
|
|
// be added to the test, so that much space should be reserved now.
|
|
//
|
|
} //CFreshTable
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CFreshTable::CFreshTable, public
|
|
//
|
|
// Synopsis: Constructs a fresh table
|
|
//
|
|
// Arguments: [freshTable] -- Table from which a copy is made
|
|
// [subst] -- Index substitution object for new table
|
|
//
|
|
// History: 5-Dec-97 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
CFreshTable::CFreshTable(
|
|
CFreshTable const & freshTable,
|
|
CIdxSubstitution const & subst) :
|
|
_aItems( freshTable._aItems.Count() )
|
|
{
|
|
for ( unsigned i = 0; i < freshTable._aItems.Count(); i++ )
|
|
{
|
|
CFreshItem const & item = freshTable._aItems[i];
|
|
|
|
if (subst.IsMaster())
|
|
{
|
|
// skip old deleted and old indexes
|
|
|
|
if ( item._iid != subst.IidOldDeleted() &&
|
|
!subst.Find( item._iid) )
|
|
Add( item._wid, item._iid );
|
|
}
|
|
else
|
|
{
|
|
// replace source indexes with the new index id
|
|
|
|
INDEXID iid = item._iid;
|
|
|
|
if ( subst.Find( iid ) )
|
|
iid = subst.IidNew();
|
|
|
|
Add( item._wid, iid );
|
|
}
|
|
}
|
|
} //CFreshTable
|
|
|
|
//+-------------------------------------------------------------------------
|
|
//
|
|
// Method: CFreshTable::ModificationsComplete, public
|
|
//
|
|
// Synopsis: Called when updates to the table have completed, so memory
|
|
// usage can be trimmed if possible.
|
|
//
|
|
// History: 5-Dec-97 dlee created
|
|
//
|
|
//--------------------------------------------------------------------------
|
|
|
|
void CFreshTable::ModificationsComplete()
|
|
{
|
|
// Make sure we're really sorted
|
|
|
|
CSortable<CFreshItem,WORKID> sort( _aItems );
|
|
Win4Assert( sort.IsSorted() );
|
|
|
|
// save memory if the size is much larger than the count
|
|
|
|
if ( _aItems.Size() > ( _aItems.Count() + 100 ) )
|
|
_aItems.Shrink();
|
|
} //ModificationsComplete
|
|
|