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Auto merge of #23947 - georgeroman:finish_json_clone_functionality, r=jdm
Finish the JSON clone algorithm for WebDriver <!-- Please describe your changes on the following line: --> --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach test-tidy` does not report any errors <!-- Either: --> - [X] There are tests for these changes <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> <!-- Reviewable:start --> --- This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/23947) <!-- Reviewable:end -->
This commit is contained in:
commit
2a9b2fe027
6 changed files with 137 additions and 56 deletions
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@ -18,7 +18,7 @@ use crate::dom::bindings::conversions::{
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use crate::dom::bindings::conversions::{
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ConversionBehavior, ConversionResult, FromJSValConvertible, StringificationBehavior,
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};
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use crate::dom::bindings::error::throw_dom_exception;
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use crate::dom::bindings::error::{throw_dom_exception, Error};
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use crate::dom::bindings::inheritance::Castable;
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use crate::dom::bindings::reflector::DomObject;
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use crate::dom::bindings::root::DomRoot;
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@ -39,9 +39,10 @@ use cookie::Cookie;
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use euclid::default::{Point2D, Rect, Size2D};
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use hyper_serde::Serde;
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use ipc_channel::ipc::{self, IpcSender};
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use js::jsapi::{JSAutoRealm, JSContext};
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use js::jsapi::{HandleValueArray, JSAutoRealm, JSContext, JSType, JS_IsExceptionPending};
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use js::jsval::UndefinedValue;
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use js::rust::HandleValue;
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use js::rust::wrappers::{JS_CallFunctionName, JS_GetProperty, JS_HasOwnProperty, JS_TypeOfValue};
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use js::rust::{Handle, HandleObject, HandleValue};
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use msg::constellation_msg::BrowsingContextId;
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use msg::constellation_msg::PipelineId;
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use net_traits::CookieSource::{NonHTTP, HTTP};
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@ -52,7 +53,9 @@ use script_traits::webdriver_msg::{
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WebDriverFrameId, WebDriverJSError, WebDriverJSResult, WebDriverJSValue,
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};
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use servo_url::ServoUrl;
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use webdriver::common::WebElement;
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use std::collections::HashMap;
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use std::ffi::CString;
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use webdriver::common::{WebElement, WebFrame, WebWindow};
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use webdriver::error::ErrorStatus;
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fn find_node_by_unique_id(
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@ -121,6 +124,31 @@ fn first_matching_link(
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.map(|nodes| matching_links(&nodes, link_text, partial).take(1).next())
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}
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#[allow(unsafe_code)]
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unsafe fn object_has_to_json_property(
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cx: *mut JSContext,
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global_scope: &GlobalScope,
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object: HandleObject,
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) -> bool {
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let name = CString::new("toJSON").unwrap();
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let mut found = false;
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if JS_HasOwnProperty(cx, object, name.as_ptr(), &mut found) && found {
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rooted!(in(cx) let mut value = UndefinedValue());
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let result = JS_GetProperty(cx, object, name.as_ptr(), value.handle_mut());
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if !result {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, Error::JSFailed);
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false
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} else {
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result && JS_TypeOfValue(cx, value.handle()) == JSType::JSTYPE_FUNCTION
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}
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} else if JS_IsExceptionPending(cx) {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, Error::JSFailed);
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false
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} else {
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false
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}
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}
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#[allow(unsafe_code)]
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pub unsafe fn jsval_to_webdriver(
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cx: *mut JSContext,
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@ -157,20 +185,15 @@ pub unsafe fn jsval_to_webdriver(
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});
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let _ac = JSAutoRealm::new(cx, *object);
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if let Ok(element) = root_from_object::<HTMLElement>(*object, cx) {
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return Ok(WebDriverJSValue::Element(WebElement(
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element.upcast::<Node>().unique_id(),
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)));
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}
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if is_array_like(cx, val) {
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let mut result: Vec<WebDriverJSValue> = Vec::new();
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if !is_array_like(cx, val) {
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return Err(WebDriverJSError::UnknownType);
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}
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let mut result: Vec<WebDriverJSValue> = Vec::new();
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let length =
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match get_property::<u32>(cx, object.handle(), "length", ConversionBehavior::Default) {
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let length = match get_property::<u32>(
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cx,
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object.handle(),
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"length",
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ConversionBehavior::Default,
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) {
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Ok(length) => match length {
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Some(length) => length,
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_ => return Err(WebDriverJSError::UnknownType),
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@ -181,21 +204,76 @@ pub unsafe fn jsval_to_webdriver(
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},
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};
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for i in 0..length {
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rooted!(in(cx) let mut item = UndefinedValue());
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match get_property_jsval(cx, object.handle(), &i.to_string(), item.handle_mut()) {
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Ok(_) => match jsval_to_webdriver(cx, global_scope, item.handle()) {
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Ok(converted_item) => result.push(converted_item),
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err @ Err(_) => return err,
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},
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Err(error) => {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, error);
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return Err(WebDriverJSError::JSError);
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},
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for i in 0..length {
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rooted!(in(cx) let mut item = UndefinedValue());
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match get_property_jsval(cx, object.handle(), &i.to_string(), item.handle_mut()) {
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Ok(_) => match jsval_to_webdriver(cx, global_scope, item.handle()) {
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Ok(converted_item) => result.push(converted_item),
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err @ Err(_) => return err,
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},
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Err(error) => {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, error);
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return Err(WebDriverJSError::JSError);
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},
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}
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}
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}
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Ok(WebDriverJSValue::ArrayLike(result))
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Ok(WebDriverJSValue::ArrayLike(result))
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} else if let Ok(element) = root_from_object::<Element>(*object, cx) {
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Ok(WebDriverJSValue::Element(WebElement(
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element.upcast::<Node>().unique_id(),
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)))
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} else if let Ok(window) = root_from_object::<Window>(*object, cx) {
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let window_proxy = window.window_proxy();
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if window_proxy.is_browsing_context_discarded() {
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Err(WebDriverJSError::StaleElementReference)
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} else if window_proxy.browsing_context_id() ==
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window_proxy.top_level_browsing_context_id()
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{
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Ok(WebDriverJSValue::Window(WebWindow(
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window.Document().upcast::<Node>().unique_id(),
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)))
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} else {
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Ok(WebDriverJSValue::Frame(WebFrame(
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window.Document().upcast::<Node>().unique_id(),
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)))
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}
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} else if object_has_to_json_property(cx, global_scope, object.handle()) {
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let name = CString::new("toJSON").unwrap();
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rooted!(in(cx) let mut value = UndefinedValue());
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if JS_CallFunctionName(
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cx,
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object.handle(),
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name.as_ptr(),
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&mut HandleValueArray::new(),
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value.handle_mut(),
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) {
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jsval_to_webdriver(cx, global_scope, Handle::new(&value))
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} else {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, Error::JSFailed);
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Err(WebDriverJSError::JSError)
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}
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} else {
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let mut result = HashMap::new();
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let common_properties = vec!["x", "y", "width", "height", "key"];
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for property in common_properties.iter() {
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rooted!(in(cx) let mut item = UndefinedValue());
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if let Ok(_) = get_property_jsval(cx, object.handle(), property, item.handle_mut())
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{
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if !item.is_undefined() {
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if let Ok(value) = jsval_to_webdriver(cx, global_scope, item.handle()) {
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result.insert(property.to_string(), value);
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}
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}
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} else {
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throw_dom_exception(SafeJSContext::from_ptr(cx), global_scope, Error::JSFailed);
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return Err(WebDriverJSError::JSError);
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}
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}
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Ok(WebDriverJSValue::Object(result))
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}
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} else {
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Err(WebDriverJSError::UnknownType)
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}
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