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// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors
// Licensed under the MIT License:
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "any.h"
#include "capability.h"
namespace capnp {
kj::Own<ClientHook> PipelineHook::getPipelinedCap(kj::Array<PipelineOp>&& ops) {
return getPipelinedCap(ops.asPtr());
}
kj::Own<ClientHook> AnyPointer::Reader::getPipelinedCap(
kj::ArrayPtr<const PipelineOp> ops) const {
_::PointerReader pointer = reader;
for (auto& op: ops) {
switch (op.type) {
case PipelineOp::Type::NOOP:
break;
case PipelineOp::Type::GET_POINTER_FIELD:
pointer = pointer.getStruct(nullptr).getPointerField(op.pointerIndex * POINTERS);
break;
}
}
return pointer.getCapability();
}
AnyPointer::Pipeline AnyPointer::Pipeline::noop() {
auto newOps = kj::heapArray<PipelineOp>(ops.size());
for (auto i: kj::indices(ops)) {
newOps[i] = ops[i];
}
return Pipeline(hook->addRef(), kj::mv(newOps));
}
AnyPointer::Pipeline AnyPointer::Pipeline::getPointerField(uint16_t pointerIndex) {
auto newOps = kj::heapArray<PipelineOp>(ops.size() + 1);
for (auto i: kj::indices(ops)) {
newOps[i] = ops[i];
}
auto& newOp = newOps[ops.size()];
newOp.type = PipelineOp::GET_POINTER_FIELD;
newOp.pointerIndex = pointerIndex;
return Pipeline(hook->addRef(), kj::mv(newOps));
}
kj::Own<ClientHook> AnyPointer::Pipeline::asCap() {
return hook->getPipelinedCap(ops);
}
} // namespace capnp