// 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" #if !CAPNP_LITE #include "capability.h" #endif // !CAPNP_LITE namespace capnp { #if !CAPNP_LITE 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); } #endif // !CAPNP_LITE } // namespace capnp