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126 lines
3.1 KiB
126 lines
3.1 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1991 - 1992.
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//
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// File: WIDARR.CXX
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//
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// Contents: Work ID array
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//
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// Classes: CWidArray
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//
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// History: 28-Oct-91 BartoszM Created
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//
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//----------------------------------------------------------------------------
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#include <pch.cxx>
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#pragma hdrstop
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#include <doclist.hxx>
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#include "widarr.hxx"
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//+---------------------------------------------------------------------------
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//
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// Member: CWidArray::CWidArray, public
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//
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// Synopsis: Allocates empty array of cnt elements
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//
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// Arguments: [cnt] -- size of array
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//
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// History: 20-Oct-91 BartoszM Created.
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//
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//----------------------------------------------------------------------------
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CWidArray::CWidArray ( unsigned cnt )
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: _count(cnt)
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{
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_table = new WORKID[_count];
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWidArray::CWidArray, public
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//
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// Synopsis: Copies these wids from DocList that correspond
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// to pidAll and whose status is SUCCESS or PENDING
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// and sorts them
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//
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// Arguments: [DocList] -- list of documents
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//
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// History: 20-Oct-91 BartoszM Created.
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//
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// Notes: Elements are sorted for the binary search to work
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//
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//----------------------------------------------------------------------------
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CWidArray::CWidArray ( CDocList& DocList )
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: _table (0), _count(0)
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{
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unsigned max = DocList.Count();
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for ( unsigned i = 0; i < max; i++ )
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{
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STATUS status = DocList.Status(i);
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if ( status == SUCCESS || status == PENDING )
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_count++;
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}
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// create a table of wid's
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unsigned j = 0;
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if ( _count > 0 )
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{
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_table = new WORKID [ _count ];
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for ( i = 0; i < max; i++ )
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{
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STATUS status = DocList.Status(i);
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if ( status == SUCCESS || status == PENDING )
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_table[j++] = DocList.Wid(i);
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}
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}
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#if CIDBG==1
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// check to make sure it's sorted.
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if ( _count > 0 )
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for ( i = 0; i < _count - 1; i++ )
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{
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ciAssert( _table[i+1]==widInvalid || _table[i] < _table[i+1] );
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}
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#endif // CIDBG
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}
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//+---------------------------------------------------------------------------
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//
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// Member: CWidArray::Find, public
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//
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// Synopsis: Finds given work id
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//
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// Arguments: [wid] -- work id to search for
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//
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// History: 20-Oct-91 BartoszM Created.
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//
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// Notes: Uses binary search
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//
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//----------------------------------------------------------------------------
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BOOL CWidArray::Find ( WORKID wid ) const
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{
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int low = 0;
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int high = _count-1;
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while ( high >= low )
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{
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int mid = (low + high)/2;
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WORKID widMid = _table[mid];
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if ( widMid == wid )
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return TRUE;
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else if ( wid < widMid )
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high = mid-1;
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else // wid > widMid
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low = mid+1;
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}
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return FALSE;
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}
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