/* Metallurgy - Higher Level Interface to Chordata
 * Copyright (C) 2001-2002  Jay Freeman (saurik)
*/

/*
 *        Redistribution and use in source and binary
 * forms, with or without modification, are permitted
 * provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the
 *    above copyright notice, this list of conditions
 *    and the following disclaimer in the documentation
 *    and/or other materials provided with the
 *    distribution.
 * 3. The name of the author may not be used to endorse
 *    or promote products derived from this software
 *    without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#include "stdafx.h"

#include "metallurgy/Attribute.h"

#include "chordata/Utils.h"

namespace Metallurgy {

Attribute::Attribute(const Module *module, Chordata::Token token) :
	ModuleToken(module, token)
{
	mdToken tkowner;
	mdToken tkmember;

	(*module)->GetCustomAttributeProps(token, &tkowner, &tkmember, &blob, &length);

	owner = module->ResolveToken(tkowner);
	member = dynamic_cast<Member *>(module->ResolveToken(tkmember));

	uint8_t *data = 2 + (uint8_t *) blob;
	const Signature *sig = member->getSignature();
	const ElementVector &elems = sig->getElements();

	for (ElementVector::const_iterator elem = elems.begin(); elem != elems.end(); elem++) {
		if ((*elem)->getIntrinsic() == Chordata::Element::String) {
			uint32_t length = Chordata::Utils::Uncompress<uint32_t>(data);
			values.push_back(new Value(Chordata::Element::String, data, length));
		} else {
			values.push_back(new Value((*elem)->getIntrinsic(), data, 0));
		}
	}
}

const Name &Attribute::getName() const {
	return dynamic_cast<const IName *>(member->getType())->getName();
}

Token *Attribute::getOwner() const {
	return owner;
}

Member *Attribute::getMember() const {
	return member;
}

const void *Attribute::getBlob() const {
	return blob;
}

uint32_t Attribute::getLength() const {
	return length;
}

const Value *Attribute::getValue(uint32_t which) const {
	return values[which];
}

const ValueVector &Attribute::getValues() const {
	return values;
}

const Attribute::NamedArgMap &Attribute::getNamedArgs() const {
	return named;
}

}