190 lines
7.8 KiB
C++
190 lines
7.8 KiB
C++
#ifndef _ADDON_TOOLS_HPP_
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#define _ADDON_TOOLS_HPP_
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#define NAN_HS Nan::HandleScope scope;
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#define RET_VALUE(VAL) info.GetReturnValue().Set(VAL);
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#define RET_UNDEFINED RET_VALUE(Nan::Undefined());
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#define JS_STR(...) Nan::New<String>(__VA_ARGS__).ToLocalChecked()
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#define JS_INT(val) Nan::New<v8::Integer>(val)
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#define JS_NUM(val) Nan::New<v8::Number>(val)
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#define JS_EXT(val) Nan::New<v8::External>(reinterpret_cast<void*>(val))
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#define JS_BOOL(val) (val) ? Nan::True() : Nan::False()
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#define JS_RETHROW(tc) v8::Local<v8::Value>::New(tc.Exception());
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#define REQ_ARGS(N) \
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if (info.Length() < (N)) \
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return Nan::ThrowTypeError("Expected at least " #N " arguments");
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#define IS_ARG_EMPTY(I) (info[I]->IsNull() || info[I]->IsUndefined())
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#define CHECK_REQ_ARG(I, C, T) \
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if (info.Length() <= (I) || ! info[I]->C) \
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return Nan::ThrowTypeError("Argument " #I " must be " T);
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#define CHECK_LET_ARG(I, C, T) \
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if ( ! (IS_ARG_EMPTY(I) || info[I]->C) ) \
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return Nan::ThrowTypeError("Argument " #I " must be " T " or null");
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#define REQ_UTF8_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsString(), "string"); \
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Nan::Utf8String VAR(info[I]);
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#define LET_UTF8_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsString(), "string"); \
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Nan::Utf8String VAR(info[I]);
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#define REQ_INT32_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsInt32(), "int32"); \
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int VAR = info[I]->Int32Value();
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#define LET_INT32_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsInt32(), "int32"); \
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int VAR = IS_ARG_EMPTY(I) ? 0 : info[I]->Int32Value();
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#define REQ_BOOL_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsBoolean(), "bool"); \
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int VAR = info[I]->BooleanValue();
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#define LET_BOOL_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsBoolean(), "bool"); \
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int VAR = IS_ARG_EMPTY(I) ? false : info[I]->BooleanValue();
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#define REQ_UINT32_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsUint32(), "uint32"); \
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unsigned int VAR = info[I]->Uint32Value();
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#define LET_UINT32_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsUint32(), "uint32"); \
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unsigned int VAR = IS_ARG_EMPTY(I) ? 0 : info[I]->Uint32Value();
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#define REQ_OFFS_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsNumber(), "number"); \
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size_t VAR = static_cast<size_t>(info[I]->IntegerValue());
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#define LET_OFFS_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsNumber(), "number"); \
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size_t VAR = IS_ARG_EMPTY(I) ? 0 : static_cast<size_t>(info[I]->IntegerValue());
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#define REQ_DOUBLE_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsNumber(), "number"); \
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double VAR = info[I]->NumberValue();
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#define LET_DOUBLE_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsNumber(), "number"); \
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double VAR = IS_ARG_EMPTY(I) ? 0.0 : info[I]->NumberValue();
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#define REQ_FLOAT_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsNumber(), "number"); \
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float VAR = static_cast<float>(info[I]->NumberValue());
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#define LET_FLOAT_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsNumber(), "number"); \
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float VAR = IS_ARG_EMPTY(I) ? 0.f : static_cast<float>(info[I]->NumberValue());
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#define REQ_EXT_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsExternal(), "void*"); \
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Local<External> VAR = Local<External>::Cast(info[I]);
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#define LET_EXT_ARG(I, VAR) \
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CHECK_LET_ARG(I, IsExternal(), "number"); \
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Local<External> VAR = IS_ARG_EMPTY(I) ? JS_EXT(NULL) : Local<External>::Cast(info[I]);
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#define REQ_FUN_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsFunction(), "function"); \
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Local<Function> VAR = Local<Function>::Cast(info[I]);
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#define REQ_OBJ_ARG(I, VAR) \
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CHECK_REQ_ARG(I, IsObject(), "object"); \
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Local<Object> VAR = Local<Object>::Cast(info[I]);
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#define REQ_ARRV_ARG(I, VAR) \
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REQ_OBJ_ARG(I, _obj_##VAR); \
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if( ! _obj_##VAR->IsArrayBufferView() ) \
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return Nan::ThrowTypeError("Argument " #I " must be an array buffer"); \
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Local<ArrayBufferView> VAR = Local<ArrayBufferView>::Cast(_obj_##VAR);
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#define SET_PROP(OBJ, KEY, VAL) OBJ->Set(JS_STR(KEY), VAL);
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#define CTOR_CHECK(T) \
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if ( ! info.IsConstructCall() ) \
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return Nan::ThrowTypeError(T " must be called with the 'new' keyword.");
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#define ACCESSOR_RW(OBJ, NAME) \
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Nan::SetAccessor(OBJ, JS_STR(#NAME), NAME ## Getter, NAME ## Setter);
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#define ACCESSOR_R(OBJ, NAME) \
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Nan::SetAccessor(OBJ, JS_STR(#NAME), NAME ## Getter);
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#define SET_I(ARR, I, VAL) ARR->Set(I, VAL);
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#define SETTER_CHECK(C, T) \
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if ( ! value->C ) \
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return Nan::ThrowTypeError("Value must be " T);
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#define SETTER_UTF8_ARG \
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SETTER_CHECK(IsString(), "string"); \
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Nan::Utf8String v(value);
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#define SETTER_INT32_ARG \
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SETTER_CHECK(IsInt32(), "int32"); \
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int v = value->Int32Value();
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#define SETTER_BOOL_ARG \
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SETTER_CHECK(IsBoolean(), "bool"); \
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bool v = value->BooleanValue(); // TODO APPLY bool TO REQ_BOOL_ARG
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#define SETTER_UINT32_ARG \
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SETTER_CHECK(IsUint32(), "uint32"); \
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unsigned int v = value->Uint32Value();
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#define SETTER_OFFS_ARG \
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SETTER_CHECK(IsNumber(), "number"); \
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size_t v = static_cast<size_t>(value->IntegerValue());
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#define SETTER_DOUBLE_ARG \
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SETTER_CHECK(IsNumber(), "number"); \
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double v = value->NumberValue();
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#define SETTER_FLOAT_ARG \
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SETTER_CHECK(IsNumber(), "number"); \
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float v = static_cast<float>(value->NumberValue());
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#define SETTER_EXT_ARG \
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SETTER_CHECK(IsExternal(), "void*"); \
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Local<External> v = Local<External>::Cast(value);
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#define SETTER_FUN_ARG \
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SETTER_CHECK(IsFunction(), "function"); \
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Local<Function> v = Local<Function>::Cast(value);
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#define SETTER_OBJ_ARG \
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SETTER_CHECK(IsObject(), "object"); \
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Local<Object> v = Local<Object>::Cast(value);
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#endif // _ADDON_TOOLS_HPP_
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