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55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
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/*
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* Copyright (c) 2024, Tim Flynn <trflynn89@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/ByteString.h>
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#include <AK/JsonArray.h>
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#include <AK/JsonObject.h>
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#include <AK/JsonValue.h>
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#include <LibWeb/WebDriver/Error.h>
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namespace Web::WebDriver {
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template<typename PropertyType = ByteString>
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static ErrorOr<PropertyType, WebDriver::Error> get_property(JsonValue const& payload, StringView key)
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{
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if (!payload.is_object())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, "Payload is not a JSON object");
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auto property = payload.as_object().get(key);
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if (!property.has_value())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("No property called '{}' present", key));
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if constexpr (IsSame<PropertyType, ByteString>) {
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if (!property->is_string())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("Property '{}' is not a String", key));
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return property->as_string();
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} else if constexpr (IsSame<PropertyType, bool>) {
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if (!property->is_bool())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("Property '{}' is not a Boolean", key));
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return property->as_bool();
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} else if constexpr (IsSame<PropertyType, u32>) {
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if (auto maybe_u32 = property->get_u32(); maybe_u32.has_value())
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return *maybe_u32;
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("Property '{}' is not a Number", key));
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} else if constexpr (IsSame<PropertyType, JsonArray const*>) {
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if (!property->is_array())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("Property '{}' is not an Array", key));
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return &property->as_array();
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} else if constexpr (IsSame<PropertyType, JsonObject const*>) {
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if (!property->is_object())
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return WebDriver::Error::from_code(ErrorCode::InvalidArgument, ByteString::formatted("Property '{}' is not an Object", key));
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return &property->as_object();
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} else {
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static_assert(DependentFalse<PropertyType>, "get_property invoked with unknown property type");
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VERIFY_NOT_REACHED();
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}
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}
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}
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