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Diffstat (limited to 'node_modules/nan/nan_json.h')
| -rw-r--r-- | node_modules/nan/nan_json.h | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/node_modules/nan/nan_json.h b/node_modules/nan/nan_json.h deleted file mode 100644 index 33ac8ba..0000000 --- a/node_modules/nan/nan_json.h +++ /dev/null @@ -1,166 +0,0 @@ -/********************************************************************* - * NAN - Native Abstractions for Node.js - * - * Copyright (c) 2018 NAN contributors - * - * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md> - ********************************************************************/ - -#ifndef NAN_JSON_H_ -#define NAN_JSON_H_ - -#if NODE_MODULE_VERSION < NODE_0_12_MODULE_VERSION -#define NAN_JSON_H_NEED_PARSE 1 -#else -#define NAN_JSON_H_NEED_PARSE 0 -#endif // NODE_MODULE_VERSION < NODE_0_12_MODULE_VERSION - -#if NODE_MODULE_VERSION >= NODE_7_0_MODULE_VERSION -#define NAN_JSON_H_NEED_STRINGIFY 0 -#else -#define NAN_JSON_H_NEED_STRINGIFY 1 -#endif // NODE_MODULE_VERSION >= NODE_7_0_MODULE_VERSION - -class JSON { - public: - JSON() { -#if NAN_JSON_H_NEED_PARSE + NAN_JSON_H_NEED_STRINGIFY - Nan::HandleScope scope; - - Nan::MaybeLocal<v8::Value> maybe_global_json = Nan::Get( - Nan::GetCurrentContext()->Global(), - Nan::New("JSON").ToLocalChecked() - ); - - assert(!maybe_global_json.IsEmpty() && "global JSON is empty"); - v8::Local<v8::Value> val_global_json = maybe_global_json.ToLocalChecked(); - - assert(val_global_json->IsObject() && "global JSON is not an object"); - Nan::MaybeLocal<v8::Object> maybe_obj_global_json = - Nan::To<v8::Object>(val_global_json); - - assert(!maybe_obj_global_json.IsEmpty() && "global JSON object is empty"); - v8::Local<v8::Object> global_json = maybe_obj_global_json.ToLocalChecked(); - -#if NAN_JSON_H_NEED_PARSE - Nan::MaybeLocal<v8::Value> maybe_parse_method = Nan::Get( - global_json, Nan::New("parse").ToLocalChecked() - ); - - assert(!maybe_parse_method.IsEmpty() && "JSON.parse is empty"); - v8::Local<v8::Value> parse_method = maybe_parse_method.ToLocalChecked(); - - assert(parse_method->IsFunction() && "JSON.parse is not a function"); - parse_cb_.Reset(parse_method.As<v8::Function>()); -#endif // NAN_JSON_H_NEED_PARSE - -#if NAN_JSON_H_NEED_STRINGIFY - Nan::MaybeLocal<v8::Value> maybe_stringify_method = Nan::Get( - global_json, Nan::New("stringify").ToLocalChecked() - ); - - assert(!maybe_stringify_method.IsEmpty() && "JSON.stringify is empty"); - v8::Local<v8::Value> stringify_method = - maybe_stringify_method.ToLocalChecked(); - - assert( - stringify_method->IsFunction() && "JSON.stringify is not a function" - ); - stringify_cb_.Reset(stringify_method.As<v8::Function>()); -#endif // NAN_JSON_H_NEED_STRINGIFY -#endif // NAN_JSON_H_NEED_PARSE + NAN_JSON_H_NEED_STRINGIFY - } - - inline - Nan::MaybeLocal<v8::Value> Parse(v8::Local<v8::String> json_string) { - Nan::EscapableHandleScope scope; -#if NAN_JSON_H_NEED_PARSE - return scope.Escape(parse(json_string)); -#else - Nan::MaybeLocal<v8::Value> result; -#if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION && \ - NODE_MODULE_VERSION <= IOJS_2_0_MODULE_VERSION - result = v8::JSON::Parse(json_string); -#else -#if NODE_MODULE_VERSION > NODE_6_0_MODULE_VERSION - v8::Local<v8::Context> context_or_isolate = Nan::GetCurrentContext(); -#else - v8::Isolate* context_or_isolate = v8::Isolate::GetCurrent(); -#endif // NODE_MODULE_VERSION > NODE_6_0_MODULE_VERSION - result = v8::JSON::Parse(context_or_isolate, json_string); -#endif // NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION && - // NODE_MODULE_VERSION <= IOJS_2_0_MODULE_VERSION - if (result.IsEmpty()) return v8::Local<v8::Value>(); - return scope.Escape(result.ToLocalChecked()); -#endif // NAN_JSON_H_NEED_PARSE - } - - inline - Nan::MaybeLocal<v8::String> Stringify(v8::Local<v8::Object> json_object) { - Nan::EscapableHandleScope scope; - Nan::MaybeLocal<v8::String> result = -#if NAN_JSON_H_NEED_STRINGIFY - Nan::To<v8::String>(stringify(json_object)); -#else - v8::JSON::Stringify(Nan::GetCurrentContext(), json_object); -#endif // NAN_JSON_H_NEED_STRINGIFY - if (result.IsEmpty()) return v8::Local<v8::String>(); - return scope.Escape(result.ToLocalChecked()); - } - - inline - Nan::MaybeLocal<v8::String> Stringify(v8::Local<v8::Object> json_object, - v8::Local<v8::String> gap) { - Nan::EscapableHandleScope scope; - Nan::MaybeLocal<v8::String> result = -#if NAN_JSON_H_NEED_STRINGIFY - Nan::To<v8::String>(stringify(json_object, gap)); -#else - v8::JSON::Stringify(Nan::GetCurrentContext(), json_object, gap); -#endif // NAN_JSON_H_NEED_STRINGIFY - if (result.IsEmpty()) return v8::Local<v8::String>(); - return scope.Escape(result.ToLocalChecked()); - } - - private: - NAN_DISALLOW_ASSIGN_COPY_MOVE(JSON) -#if NAN_JSON_H_NEED_PARSE - Nan::Callback parse_cb_; -#endif // NAN_JSON_H_NEED_PARSE -#if NAN_JSON_H_NEED_STRINGIFY - Nan::Callback stringify_cb_; -#endif // NAN_JSON_H_NEED_STRINGIFY - -#if NAN_JSON_H_NEED_PARSE - inline v8::Local<v8::Value> parse(v8::Local<v8::Value> arg) { - assert(!parse_cb_.IsEmpty() && "parse_cb_ is empty"); - AsyncResource resource("nan:JSON.parse"); - return parse_cb_.Call(1, &arg, &resource).FromMaybe(v8::Local<v8::Value>()); - } -#endif // NAN_JSON_H_NEED_PARSE - -#if NAN_JSON_H_NEED_STRINGIFY - inline v8::Local<v8::Value> stringify(v8::Local<v8::Value> arg) { - assert(!stringify_cb_.IsEmpty() && "stringify_cb_ is empty"); - AsyncResource resource("nan:JSON.stringify"); - return stringify_cb_.Call(1, &arg, &resource) - .FromMaybe(v8::Local<v8::Value>()); - } - - inline v8::Local<v8::Value> stringify(v8::Local<v8::Value> arg, - v8::Local<v8::String> gap) { - assert(!stringify_cb_.IsEmpty() && "stringify_cb_ is empty"); - - v8::Local<v8::Value> argv[] = { - arg, - Nan::Null(), - gap - }; - AsyncResource resource("nan:JSON.stringify"); - return stringify_cb_.Call(3, argv, &resource) - .FromMaybe(v8::Local<v8::Value>()); - } -#endif // NAN_JSON_H_NEED_STRINGIFY -}; - -#endif // NAN_JSON_H_ |