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/*
*
* 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
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