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Auto merge of #23745 - georgeroman:implement_get_element_property_wd_command, r=jdm
Implement GetElementProperty wd command <!-- 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/23745) <!-- Reviewable:end -->
This commit is contained in:
commit
7ffe65e672
8 changed files with 119 additions and 23 deletions
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@ -60,7 +60,7 @@ use js::jsapi::{
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};
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use js::jsapi::{JS_NewStringCopyN, JS_StringHasLatin1Chars};
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use js::jsval::{ObjectValue, StringValue, UndefinedValue};
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use js::rust::wrappers::{JS_GetProperty, JS_IsArrayObject};
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use js::rust::wrappers::{JS_GetProperty, JS_HasProperty, JS_IsArrayObject};
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use js::rust::{get_object_class, is_dom_class, is_dom_object, maybe_wrap_value, ToString};
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use js::rust::{HandleId, HandleObject, HandleValue, MutableHandleValue};
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use num_traits::Float;
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@ -596,11 +596,18 @@ pub unsafe fn get_property_jsval(
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Ok(cname) => cname,
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Err(_) => return Ok(()),
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};
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JS_GetProperty(cx, object, cname.as_ptr(), rval);
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if JS_IsExceptionPending(cx) {
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return Err(Error::JSFailed);
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let mut found = false;
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if JS_HasProperty(cx, object, cname.as_ptr(), &mut found) && found {
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JS_GetProperty(cx, object, cname.as_ptr(), rval);
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if JS_IsExceptionPending(cx) {
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return Err(Error::JSFailed);
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}
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Ok(())
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} else if JS_IsExceptionPending(cx) {
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Err(Error::JSFailed)
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} else {
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Ok(())
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}
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Ok(())
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}
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/// Get a property from a JS object, and convert it to a Rust value.
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