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/*
* TCollection.cc
*
* Turbo Vision - Version 2.0
*
* Copyright (c) 1994 by Borland International
* All Rights Reserved.
*
* Modified by Sergio Sigala <sergio@sigala.it>
*/
#define Uses_TNSCollection
#define Uses_opstream
#define Uses_ipstream
#define Uses_TCollection
#include <tvision/tv.h>
#include <stdlib.h>
#include <string.h>
TNSCollection::TNSCollection( ccIndex aLimit, ccIndex aDelta ) :
items( 0 ),
count( 0 ),
limit( 0 ),
delta( aDelta ),
shouldDelete( True )
{
setLimit( aLimit );
}
TNSCollection::TNSCollection() :
items( 0 ),
count( 0 ),
limit( 0 ),
delta( 0 ),
shouldDelete( True )
{
}
TNSCollection::~TNSCollection()
{
delete items;
}
void TNSCollection::shutDown()
{
if( shouldDelete )
freeAll();
else
removeAll();
setLimit(0);
TObject::shutDown();
}
void *TNSCollection::at( ccIndex index )
{
if( index < 0 || index >= count )
error(1,0);
return items[index];
}
void TNSCollection::atRemove( ccIndex index )
{
if( index < 0 || 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;
}
ccIndex TNSCollection::indexOf(void *item)
{
for( ccIndex i = 0; i < count; i++ )
if( item == items[i] )
return i;
error(1,0);
return (ccIndex)0;
}
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++; /* XXX */
curSrc++; /* XXX */
}
}
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 && aItems != 0 && items != 0 )
memcpy( aItems, items, count*sizeof(void *) );
}
delete items;
items = aItems;
limit = aLimit;
}
}
void TCollection::write( opstream& os )
{
os << count << limit << delta;
for( ccIndex idx = 0; idx < count; idx++ )
writeItem( items[idx], os );
}
void *TCollection::read( ipstream& is )
{
int savedLimit;
is >> count >> savedLimit >> delta;
setLimit(savedLimit);
for( ccIndex idx = 0; idx < count; idx++ )
items[idx] = readItem( is );
return this;
}
TCollection::TCollection( StreamableInit )
{
}
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