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TCOLLECT.CPP
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1995-08-29
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// Borland C++ - (C) Copyright 1992 by Borland International
/*------------------------------------------------------------*/
/* filename - tcollect.cpp */
/* */
/* function(s) */
/* TNSCollection member functions */
/*------------------------------------------------------------*/
#if !defined( __OBJECT_H )
#include <object.h>
#endif // __OBJECT_H
#if !defined( __TCOLLECT_H )
#include <tcollect.h>
#endif // __TCOLLECT_H
#if !defined( __STDLIB_H )
#include <StdLib.h>
#endif // __STDLIB_H
#if !defined( __MEM_H )
#include <Mem.h>
#endif // __MEM_H
TNSCollection::TNSCollection( ccIndex aLimit, ccIndex aDelta ) :
count( 0 ),
items( 0 ),
limit( 0 ),
delta( aDelta ),
shouldDelete( True )
{
setLimit( aLimit );
}
TNSCollection::TNSCollection() :
count( 0 ),
items( 0 ),
limit( 0 ),
delta( 0 ),
shouldDelete( True )
{
items = 0;
}
TNSCollection::~TNSCollection()
{
if( shouldDelete )
freeAll();
setLimit(0);
}
void *TNSCollection::at( ccIndex index )
{
return items[index];
}
void TNSCollection::atRemove( ccIndex index )
{
if( index >= count )
error(1,0);
count--;
memmove( &items[index], &items[index+1], (count-index)*sizeof(void *) );
}
void TNSCollection::atFree( ccIndex index )
{
void *item = at( index );
atRemove( index );
freeItem( item );
}
void TNSCollection::atInsert(ccIndex index, void *item)
{
if( index < 0 )
error(1,0);
if( count == limit )
setLimit(count + delta);
memmove( &items[index+1], &items[index], (count-index)*sizeof(void *) );
count++;
items[index] = item;
}
void TNSCollection::atPut( ccIndex index, void *item )
{
if( index >= count )
error(1,0);
items[index] = item;
}
void TNSCollection::remove( void *item )
{
atRemove( indexOf(item) );
}
void TNSCollection::removeAll()
{
count = 0;
}
void TNSCollection::error( ccIndex code, ccIndex )
{
exit(212 - code);
}
void *TNSCollection::firstThat( ccTestFunc Test, void *arg )
{
for( ccIndex i = 0; i < count; i++ )
{
if( Test( items[i], arg ) == True )
return items[i];
}
return 0;
}
void *TNSCollection::lastThat( ccTestFunc Test, void *arg )
{
for( ccIndex i = count; i > 0; i-- )
{
if( Test( items[i-1], arg ) == True )
return items[i-1];
}
return 0;
}
void TNSCollection::forEach( ccAppFunc action, void *arg )
{
for( ccIndex i = 0; i < count; i++ )
action( items[i], arg );
}
void TNSCollection::free( void *item )
{
remove( item );
freeItem( item );
}
void TNSCollection::freeAll()
{
for( ccIndex i = 0; i < count; i++ )
freeItem( at(i) );
count = 0;
}
void TNSCollection::freeItem( void *item )
{
delete item;
}
#pragma warn -rvl
ccIndex TNSCollection::indexOf(void *item)
{
for( ccIndex i = 0; i < count; i++ )
if( item == items[i] )
return i;
error(1,0);
}
#pragma warn .rvl
ccIndex TNSCollection::insert( void *item )
{
ccIndex loc = count;
atInsert( count, item );
return loc;
}
void TNSCollection::pack()
{
void **curDst = items;
void **curSrc = items;
void **last = items + count;
while( curSrc < last )
{
if( *curSrc != 0 )
*curDst++ = *curSrc;
*curSrc++;
}
}
void TNSCollection::setLimit(ccIndex aLimit)
{
if( aLimit < count )
aLimit = count;
if( aLimit > maxCollectionSize)
aLimit = maxCollectionSize;
if( aLimit != limit )
{
void **aItems;
if (aLimit == 0 )
aItems = 0;
else
{
aItems = new void *[aLimit];
if( count != 0 )
memcpy( aItems, items, count*sizeof(void *) );
}
delete items;
items = aItems;
limit = aLimit;
}
}