feat: Add CalendarSelector component and install new dependencies.

node_modules/better-sqlite3/src/util/binder.cpp

@@ -0,0 +1,193 @@
+class Binder {
+public:
+
+	explicit Binder(sqlite3_stmt* _handle) {
+		handle = _handle;
+		param_count = sqlite3_bind_parameter_count(_handle);
+		anon_index = 0;
+		success = true;
+	}
+
+	bool Bind(NODE_ARGUMENTS info, int argc, Statement* stmt) {
+		assert(anon_index == 0);
+		Result result = BindArgs(info, argc, stmt);
+		if (success && result.count != param_count) {
+			if (result.count < param_count) {
+				if (!result.bound_object && stmt->GetBindMap(OnlyIsolate)->GetSize()) {
+					Fail(ThrowTypeError, "Missing named parameters");
+				} else {
+					Fail(ThrowRangeError, "Too few parameter values were provided");
+				}
+			} else {
+				Fail(ThrowRangeError, "Too many parameter values were provided");
+			}
+		}
+		return success;
+	}
+
+private:
+
+	struct Result {
+		int count;
+		bool bound_object;
+	};
+
+	static bool IsPlainObject(v8::Isolate* isolate, v8::Local<v8::Object> obj) {
+		v8::Local<v8::Value> proto = GET_PROTOTYPE(obj);
+		v8::Local<v8::Context> ctx = obj->GetCreationContext().ToLocalChecked();
+		ctx->Enter();
+		v8::Local<v8::Value> baseProto = GET_PROTOTYPE(v8::Object::New(isolate));
+		ctx->Exit();
+		return proto->StrictEquals(baseProto) || proto->StrictEquals(v8::Null(isolate));
+	}
+
+	void Fail(void (*Throw)(const char* _), const char* message) {
+		assert(success == true);
+		assert((Throw == NULL) == (message == NULL));
+		assert(Throw == ThrowError || Throw == ThrowTypeError || Throw == ThrowRangeError || Throw == NULL);
+		if (Throw) Throw(message);
+		success = false;
+	}
+
+	int NextAnonIndex() {
+		while (sqlite3_bind_parameter_name(handle, ++anon_index) != NULL) {}
+		return anon_index;
+	}
+
+	// Binds the value at the given index or throws an appropriate error.
+	void BindValue(v8::Isolate* isolate, v8::Local<v8::Value> value, int index) {
+		int status = Data::BindValueFromJS(isolate, handle, index, value);
+		if (status != SQLITE_OK) {
+			switch (status) {
+				case -1:
+					return Fail(ThrowTypeError, "SQLite3 can only bind numbers, strings, bigints, buffers, and null");
+				case SQLITE_TOOBIG:
+					return Fail(ThrowRangeError, "The bound string, buffer, or bigint is too big");
+				case SQLITE_RANGE:
+					return Fail(ThrowRangeError, "Too many parameter values were provided");
+				case SQLITE_NOMEM:
+					return Fail(ThrowError, "Out of memory");
+				default:
+					return Fail(ThrowError, "An unexpected error occured while trying to bind parameters");
+			}
+			assert(false);
+		}
+	}
+
+	// Binds each value in the array or throws an appropriate error.
+	// The number of successfully bound parameters is returned.
+	int BindArray(v8::Isolate* isolate, v8::Local<v8::Array> arr) {
+		UseContext;
+		uint32_t length = arr->Length();
+		if (length > INT_MAX) {
+			Fail(ThrowRangeError, "Too many parameter values were provided");
+			return 0;
+		}
+		int len = static_cast<int>(length);
+		for (int i = 0; i < len; ++i) {
+			v8::MaybeLocal<v8::Value> maybeValue = arr->Get(ctx, i);
+			if (maybeValue.IsEmpty()) {
+				Fail(NULL, NULL);
+				return i;
+			}
+			BindValue(isolate, maybeValue.ToLocalChecked(), NextAnonIndex());
+			if (!success) {
+				return i;
+			}
+		}
+		return len;
+	}
+
+	// Binds all named parameters using the values found in the given object.
+	// The number of successfully bound parameters is returned.
+	// If a named parameter is missing from the object, an error is thrown.
+	// This should only be invoked once per instance.
+	int BindObject(v8::Isolate* isolate, v8::Local<v8::Object> obj, Statement* stmt) {
+		UseContext;
+		BindMap* bind_map = stmt->GetBindMap(isolate);
+		BindMap::Pair* pairs = bind_map->GetPairs();
+		int len = bind_map->GetSize();
+
+		for (int i = 0; i < len; ++i) {
+			v8::Local<v8::String> key = pairs[i].GetName(isolate);
+
+			// Check if the named parameter was provided.
+			v8::Maybe<bool> has_property = obj->HasOwnProperty(ctx, key);
+			if (has_property.IsNothing()) {
+				Fail(NULL, NULL);
+				return i;
+			}
+			if (!has_property.FromJust()) {
+				v8::String::Utf8Value param_name(isolate, key);
+				Fail(ThrowRangeError, (std::string("Missing named parameter \"") + *param_name + "\"").c_str());
+				return i;
+			}
+
+			// Get the current property value.
+			v8::MaybeLocal<v8::Value> maybeValue = obj->Get(ctx, key);
+			if (maybeValue.IsEmpty()) {
+				Fail(NULL, NULL);
+				return i;
+			}
+
+			BindValue(isolate, maybeValue.ToLocalChecked(), pairs[i].GetIndex());
+			if (!success) {
+				return i;
+			}
+		}
+
+		return len;
+	}
+
+	// Binds all parameters using the values found in the arguments object.
+	// Anonymous parameter values can be directly in the arguments object or in an Array.
+	// Named parameter values can be provided in a plain Object argument.
+	// Only one plain Object argument may be provided.
+	// If an error occurs, an appropriate error is thrown.
+	// The return value is a struct indicating how many parameters were successfully bound
+	// and whether or not it tried to bind an object.
+	Result BindArgs(NODE_ARGUMENTS info, int argc, Statement* stmt) {
+		UseIsolate;
+		int count = 0;
+		bool bound_object = false;
+
+		for (int i = 0; i < argc; ++i) {
+			v8::Local<v8::Value> arg = info[i];
+
+			if (arg->IsArray()) {
+				count += BindArray(isolate, arg.As<v8::Array>());
+				if (!success) break;
+				continue;
+			}
+
+			if (arg->IsObject() && !node::Buffer::HasInstance(arg)) {
+				v8::Local<v8::Object> obj = arg.As<v8::Object>();
+				if (IsPlainObject(isolate, obj)) {
+					if (bound_object) {
+						Fail(ThrowTypeError, "You cannot specify named parameters in two different objects");
+						break;
+					}
+					bound_object = true;
+
+					count += BindObject(isolate, obj, stmt);
+					if (!success) break;
+					continue;
+				} else if (stmt->GetBindMap(isolate)->GetSize()) {
+					Fail(ThrowTypeError, "Named parameters can only be passed within plain objects");
+					break;
+				}
+			}
+
+			BindValue(isolate, arg, NextAnonIndex());
+			if (!success) break;
+			count += 1;
+		}
+
+		return { count, bound_object };
+	}
+
+	sqlite3_stmt* handle;
+	int param_count;
+	int anon_index; // This value should only be used by NextAnonIndex()
+	bool success; // This value should only be set by Fail()
+};