| /* |
| * |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 COPYRIGHT |
| * OWNER OR CONTRIBUTORS 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 <stdlib.h> |
| #include <node.h> |
| #include <nan.h> |
| #include "tag.h" |
| |
| namespace grpc { |
| namespace node { |
| |
| using v8::Handle; |
| using v8::HandleScope; |
| using v8::Persistent; |
| using v8::Value; |
| |
| struct tag { |
| tag(Persistent<Value> *tag, Persistent<Value> *call) |
| : persist_tag(tag), persist_call(call) {} |
| |
| ~tag() { |
| persist_tag->Dispose(); |
| if (persist_call != NULL) { |
| persist_call->Dispose(); |
| } |
| } |
| Persistent<Value> *persist_tag; |
| Persistent<Value> *persist_call; |
| }; |
| |
| void *CreateTag(Handle<Value> tag, Handle<Value> call) { |
| NanScope(); |
| Persistent<Value> *persist_tag = new Persistent<Value>(); |
| NanAssignPersistent(*persist_tag, tag); |
| Persistent<Value> *persist_call; |
| if (call->IsNull() || call->IsUndefined()) { |
| persist_call = NULL; |
| } else { |
| persist_call = new Persistent<Value>(); |
| NanAssignPersistent(*persist_call, call); |
| } |
| struct tag *tag_struct = new struct tag(persist_tag, persist_call); |
| return reinterpret_cast<void *>(tag_struct); |
| } |
| |
| Handle<Value> GetTagHandle(void *tag) { |
| NanEscapableScope(); |
| struct tag *tag_struct = reinterpret_cast<struct tag *>(tag); |
| Handle<Value> tag_value = NanNew<Value>(*tag_struct->persist_tag); |
| return NanEscapeScope(tag_value); |
| } |
| |
| bool TagHasCall(void *tag) { |
| struct tag *tag_struct = reinterpret_cast<struct tag *>(tag); |
| return tag_struct->persist_call != NULL; |
| } |
| |
| Handle<Value> TagGetCall(void *tag) { |
| NanEscapableScope(); |
| struct tag *tag_struct = reinterpret_cast<struct tag *>(tag); |
| if (tag_struct->persist_call == NULL) { |
| return NanEscapeScope(NanNull()); |
| } |
| Handle<Value> call_value = NanNew<Value>(*tag_struct->persist_call); |
| return NanEscapeScope(call_value); |
| } |
| |
| void DestroyTag(void *tag) { delete reinterpret_cast<struct tag *>(tag); } |
| |
| } // namespace node |
| } // namespace grpc |