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#ifndef SWF_IDITEM_H
#define SWF_IDITEM_H
#include <SWFItem.h>
#include <cstring>
namespace SWF {
template <class T>
class IdItem : public Item {
protected:
IdItem() { type = 0; len = 0; }
int getHeaderSize( int size ) { return 8; }
void writeHeader( Writer *w, Context *ctx, size_t len ) { w->putByte( type ); }
void setType( int t ) { type = t; }
int getType() { return type; }
void setLength( int l ) { len = l; }
int getLength() { return len; }
int type;
int len;
// static stuff
public:
static T* get( Reader *r, int end, Context *ctx ) {
int type = r->getByte();
int len = end - r->getPosition();
T* ret = getByType( type );
if( ret ) {
ret->setType( type );
ret->setLength( len );
ret->parse( r, end, ctx );
} else {
fprintf(stderr,"WARNING: unknown %s type 0x%02X\n", itemName, type );
}
return ret;
}
static T* getByName( const char *name ) {
T *ret = NULL;
for( int i=0; i<nRegistered; i++ ) {
if( !strcmp( Registry[i].name, name ) ) {
ret = Registry[i].factory();
ret->setType( Registry[i].type );
return ret;
}
}
return NULL;
}
protected:
static T* getByType( int type ) {
T *ret = NULL;
for( int i=0; i<nRegistered; i++ ) {
if( Registry[i].type == type ) {
ret = Registry[i].factory();
}
}
return ret;
}
struct Description {
typedef T * FactoryFunction();
int type;
const char *name;
FactoryFunction *factory;
};
static Description Registry[];
static int nRegistered;
static const char* itemName;
};
}
#endif
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