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/*
FALCON - The Falcon Programming Language.
FILE: traits.cpp
Traits - informations on types for the generic containers
-------------------------------------------------------------------
Author: Giancarlo Niccolai
Begin: ven oct 27 11:02:00 CEST 2006
-------------------------------------------------------------------
(C) Copyright 2004: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
#include <falcon/traits.h>
#include <falcon/string.h>
#include <string.h> // for memset
namespace Falcon {
ElementTraits::~ElementTraits()
{}
uint32 VoidpTraits::memSize() const
{
return sizeof( void * );
}
void VoidpTraits::init( void *targetZone ) const
{
void **target = (void**) targetZone;
*target = 0;
}
void VoidpTraits::copy( void *targetZone, const void *sourceZone ) const
{
void **target = (void**) targetZone;
*target = (void *) sourceZone;
}
int VoidpTraits::compare( const void *targetZone, const void *sourceZone ) const
{
void **target = (void**) targetZone;
if ( ((uint64) *target) < ((uint64)sourceZone) )
return - 1;
else if ( ((uint64) *target) > ((uint64)sourceZone) )
return 1;
else
return 0;
}
void VoidpTraits::destroy( void *item ) const
{
// do nothing
}
bool VoidpTraits::owning() const
{
return false;
}
uint32 IntTraits::memSize() const
{
return sizeof( int32 );
}
void IntTraits::init( void *targetZone ) const
{
int32 *target = (int32*) targetZone;
*target = 0;
}
void IntTraits::copy( void *targetZone, const void *sourceZone ) const
{
int32 *target = (int32*) targetZone;
const int32 *source = (int32*) sourceZone;
*target = *source;
}
int IntTraits::compare( const void *first, const void *second ) const
{
const int32 *ifirst = (int32 *) first;
const int32 *isecond = (int32 *) second;
if ( *ifirst < *isecond )
return - 1;
else if ( *ifirst > *isecond )
return 1;
else
return 0;
}
void IntTraits::destroy( void *item ) const
{
// do nothing
}
bool IntTraits::owning() const
{
return false;
}
void StringPtrTraits::init( void *targetZone ) const
{
String **target = (String**) targetZone;
*target = 0;
}
uint32 StringPtrTraits::memSize() const
{
return sizeof( String * );
}
void StringPtrTraits::copy( void *targetZone, const void *sourceZone ) const
{
String **target = (String**) targetZone;
String *source = (String*) sourceZone;
*target = source;
}
int StringPtrTraits::compare( const void *first, const void *second ) const
{
String **ifirst = (String **) first;
String *isecond = (String *) second;
return (*ifirst)->compare( *isecond );
}
void StringPtrTraits::destroy( void *item ) const
{
// do nothing
}
bool StringPtrTraits::owning() const
{
return false;
}
void StringPtrOwnTraits::destroy( void *item ) const
{
String **ifirst = (String **) item;
delete (*ifirst);
}
bool StringPtrOwnTraits::owning() const
{
return true;
}
uint32 StringTraits::memSize() const
{
return sizeof( String );
}
void StringTraits::init( void *targetZone ) const
{
String *target = (String *) targetZone;
// do minimal initialization
memset( target, 0, sizeof( String ) ); // all values to zero and false.
target->manipulator( &csh::handler_static );
}
void StringTraits::copy( void *targetZone, const void *sourceZone ) const
{
String *target = (String *) targetZone;
const String *source = (String *) sourceZone;
// init so that bufferize won't do fancy deletes
memset( target, 0, sizeof( String ) ); // all values to zero and false.
target->manipulator( &csh::handler_static );
// then deep copy the other
target->bufferize(*source);
}
int StringTraits::compare( const void *first, const void *second ) const
{
const String *ifirst = (String *) first;
const String *isecond = (String *) second;
return ifirst->compare( *isecond );
}
void StringTraits::destroy( void *item ) const
{
String *ifirst = (String *) item;
ifirst->manipulator()->destroy( ifirst );
}
bool StringTraits::owning() const
{
return true;
}
namespace traits {
StringTraits* string_dt = 0;
VoidpTraits* voidp_dp = 0;
IntTraits* int_dp = 0;
StringPtrTraits* stringptr_dp = 0;
StringPtrOwnTraits* stringptr_own_dp = 0;
FALCON_DYN_SYM StringTraits &t_string() { if( !string_dt ) string_dt = new StringTraits; return *string_dt; }
FALCON_DYN_SYM VoidpTraits &t_voidp() { if( !voidp_dp ) voidp_dp = new VoidpTraits; return *voidp_dp; }
FALCON_DYN_SYM IntTraits &t_int() { if( !int_dp ) int_dp = new IntTraits; return *int_dp; }
FALCON_DYN_SYM StringPtrTraits &t_stringptr() { if( !stringptr_dp ) stringptr_dp = new StringPtrTraits; return *stringptr_dp; }
FALCON_DYN_SYM StringPtrOwnTraits &t_stringptr_own() { if( !stringptr_own_dp ) stringptr_own_dp = new StringPtrOwnTraits; return *stringptr_own_dp; }
void releaseTraits()
{
delete string_dt;
string_dt = 0;
delete voidp_dp;
voidp_dp = 0;
delete int_dp;
int_dp = 0;
delete stringptr_dp;
stringptr_dp = 0;
delete stringptr_own_dp;
stringptr_own_dp = 0;
}
}
}
/* end of traits.cpp */
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