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Bug 1681518 - Error message for DOMTokenList#add could be better. r=emilio

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Differential Revision: https://phabricator.services.mozilla.com/D148961
This commit is contained in:
Tom Schuster
2022-06-12 17:59:54 +00:00
parent fbf29a9961
commit bda9b39190
2 changed files with 23 additions and 23 deletions
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41
dom/base/nsDOMTokenList.cpp
View File

@@ -105,33 +105,32 @@ void nsDOMTokenList::SetValue(const nsAString& aValue, ErrorResult& rv) {
rv = mElement->SetAttr(kNameSpaceID_None, mAttrAtom, aValue, true);
}
nsresult nsDOMTokenList::CheckToken(const nsAString& aStr) {
if (aStr.IsEmpty()) {
return NS_ERROR_DOM_SYNTAX_ERR;
void nsDOMTokenList::CheckToken(const nsAString& aToken, ErrorResult& aRv) {
if (aToken.IsEmpty()) {
return aRv.ThrowSyntaxError("The empty string is not a valid token.");
}
nsAString::const_iterator iter, end;
aStr.BeginReading(iter);
aStr.EndReading(end);
aToken.BeginReading(iter);
aToken.EndReading(end);
while (iter != end) {
if (nsContentUtils::IsHTMLWhitespace(*iter))
return NS_ERROR_DOM_INVALID_CHARACTER_ERR;
if (nsContentUtils::IsHTMLWhitespace(*iter)) {
return aRv.ThrowInvalidCharacterError(
"The token can not contain whitespace.");
}
++iter;
}
return NS_OK;
}
nsresult nsDOMTokenList::CheckTokens(const nsTArray<nsString>& aTokens) {
void nsDOMTokenList::CheckTokens(const nsTArray<nsString>& aTokens,
ErrorResult& aRv) {
for (uint32_t i = 0, l = aTokens.Length(); i < l; ++i) {
nsresult rv = CheckToken(aTokens[i]);
if (NS_FAILED(rv)) {
return rv;
CheckToken(aTokens[i], aRv);
if (aRv.Failed()) {
return;
}
}
return NS_OK;
}
bool nsDOMTokenList::Contains(const nsAString& aToken) {
@@ -179,7 +178,7 @@ void nsDOMTokenList::AddInternal(const nsAttrValue* aAttr,
void nsDOMTokenList::Add(const nsTArray<nsString>& aTokens,
ErrorResult& aError) {
aError = CheckTokens(aTokens);
CheckTokens(aTokens, aError);
if (aError.Failed()) {
return;
}
@@ -216,7 +215,7 @@ void nsDOMTokenList::RemoveInternal(const nsAttrValue* aAttr,
void nsDOMTokenList::Remove(const nsTArray<nsString>& aTokens,
ErrorResult& aError) {
aError = CheckTokens(aTokens);
CheckTokens(aTokens, aError);
if (aError.Failed()) {
return;
}
@@ -237,7 +236,7 @@ void nsDOMTokenList::Remove(const nsAString& aToken, ErrorResult& aError) {
bool nsDOMTokenList::Toggle(const nsAString& aToken,
const Optional<bool>& aForce, ErrorResult& aError) {
aError = CheckToken(aToken);
CheckToken(aToken, aError);
if (aError.Failed()) {
return false;
}
@@ -271,16 +270,16 @@ bool nsDOMTokenList::Replace(const nsAString& aToken,
// characters, and aNewToken is empty, the returned error should be a
// SyntaxError, not an InvalidCharacterError.
if (aNewToken.IsEmpty()) {
aError.Throw(NS_ERROR_DOM_SYNTAX_ERR);
aError.ThrowSyntaxError("The empty string is not a valid token.");
return false;
}
aError = CheckToken(aToken);
CheckToken(aToken, aError);
if (aError.Failed()) {
return false;
}
aError = CheckToken(aNewToken);
CheckToken(aNewToken, aError);
if (aError.Failed()) {
return false;
}

5
dom/base/nsDOMTokenList.h
View File

@@ -80,8 +80,9 @@ class nsDOMTokenList : public nsISupports, public nsWrapperCache {
protected:
virtual ~nsDOMTokenList();
nsresult CheckToken(const nsAString& aStr);
nsresult CheckTokens(const nsTArray<nsString>& aStr);
void CheckToken(const nsAString& aToken, mozilla::ErrorResult& aRv);
void CheckTokens(const nsTArray<nsString>& aTokens,
mozilla::ErrorResult& aRv);
void AddInternal(const nsAttrValue* aAttr, const nsTArray<nsString>& aTokens);
void RemoveInternal(const nsAttrValue* aAttr,
const nsTArray<nsString>& aTokens);