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-rw-r--r--dom/fetch/InternalHeaders.cpp58
-rw-r--r--dom/fetch/InternalHeaders.h31
2 files changed, 81 insertions, 8 deletions
diff --git a/dom/fetch/InternalHeaders.cpp b/dom/fetch/InternalHeaders.cpp
index e81863173..11585615e 100644
--- a/dom/fetch/InternalHeaders.cpp
+++ b/dom/fetch/InternalHeaders.cpp
@@ -21,12 +21,14 @@ InternalHeaders::InternalHeaders(const nsTArray<Entry>&& aHeaders,
HeadersGuardEnum aGuard)
: mGuard(aGuard)
, mList(aHeaders)
+ , mListDirty(true)
{
}
InternalHeaders::InternalHeaders(const nsTArray<HeadersEntry>& aHeadersEntryList,
HeadersGuardEnum aGuard)
: mGuard(aGuard)
+ , mListDirty(true)
{
for (const HeadersEntry& headersEntry : aHeadersEntryList) {
mList.AppendElement(Entry(headersEntry.name(), headersEntry.value()));
@@ -56,6 +58,8 @@ InternalHeaders::Append(const nsACString& aName, const nsACString& aValue,
return;
}
+ SetListDirty();
+
mList.AppendElement(Entry(lowerName, aValue));
}
@@ -69,6 +73,8 @@ InternalHeaders::Delete(const nsACString& aName, ErrorResult& aRv)
return;
}
+ SetListDirty();
+
// remove in reverse order to minimize copying
for (int32_t i = mList.Length() - 1; i >= 0; --i) {
if (lowerName == mList[i].mName) {
@@ -155,6 +161,8 @@ InternalHeaders::Set(const nsACString& aName, const nsACString& aValue, ErrorRes
return;
}
+ SetListDirty();
+
int32_t firstIndex = INT32_MAX;
// remove in reverse order to minimize copying
@@ -177,6 +185,7 @@ InternalHeaders::Set(const nsACString& aName, const nsACString& aValue, ErrorRes
void
InternalHeaders::Clear()
{
+ SetListDirty();
mList.Clear();
}
@@ -419,5 +428,54 @@ InternalHeaders::GetUnsafeHeaders(nsTArray<nsCString>& aNames) const
}
}
+void
+InternalHeaders::MaybeSortList()
+{
+ class Comparator {
+ public:
+ bool Equals(const Entry& aA, const Entry& aB) const
+ {
+ return aA.mName == aB.mName;
+ }
+
+ bool LessThan(const Entry& aA, const Entry& aB) const
+ {
+ return aA.mName < aB.mName;
+ }
+ };
+
+ if (!mListDirty) {
+ return;
+ }
+
+ mListDirty = false;
+
+ Comparator comparator;
+
+ mSortedList.Clear();
+ for (const Entry& entry : mList) {
+ bool found = false;
+ for (Entry& sortedEntry : mSortedList) {
+ if (sortedEntry.mName == entry.mName) {
+ sortedEntry.mValue += ", ";
+ sortedEntry.mValue += entry.mValue;
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ mSortedList.InsertElementSorted(entry, comparator);
+ }
+ }
+}
+
+void
+InternalHeaders::SetListDirty()
+{
+ mSortedList.Clear();
+ mListDirty = true;
+}
+
} // namespace dom
} // namespace mozilla
diff --git a/dom/fetch/InternalHeaders.h b/dom/fetch/InternalHeaders.h
index e47066669..9a6d6dae7 100644
--- a/dom/fetch/InternalHeaders.h
+++ b/dom/fetch/InternalHeaders.h
@@ -45,14 +45,23 @@ private:
HeadersGuardEnum mGuard;
nsTArray<Entry> mList;
+ nsTArray<Entry> mSortedList;
+
+ // This boolean is set to true at any writing operation to mList. It's set to
+ // false when mSortedList is regenerated. This happens when the header is
+ // iterated.
+ bool mListDirty;
+
public:
explicit InternalHeaders(HeadersGuardEnum aGuard = HeadersGuardEnum::None)
: mGuard(aGuard)
+ , mListDirty(false)
{
}
explicit InternalHeaders(const InternalHeaders& aOther)
: mGuard(HeadersGuardEnum::None)
+ , mListDirty(true)
{
ErrorResult result;
Fill(aOther, result);
@@ -79,19 +88,22 @@ public:
bool Has(const nsACString& aName, ErrorResult& aRv) const;
void Set(const nsACString& aName, const nsACString& aValue, ErrorResult& aRv);
- uint32_t GetIterableLength() const
+ uint32_t GetIterableLength()
{
- return mList.Length();
+ MaybeSortList();
+ return mSortedList.Length();
}
- const NS_ConvertASCIItoUTF16 GetKeyAtIndex(unsigned aIndex) const
+ const NS_ConvertASCIItoUTF16 GetKeyAtIndex(unsigned aIndex)
{
- MOZ_ASSERT(aIndex < mList.Length());
- return NS_ConvertASCIItoUTF16(mList[aIndex].mName);
+ MaybeSortList();
+ MOZ_ASSERT(aIndex < mSortedList.Length());
+ return NS_ConvertASCIItoUTF16(mSortedList[aIndex].mName);
}
- const NS_ConvertASCIItoUTF16 GetValueAtIndex(unsigned aIndex) const
+ const NS_ConvertASCIItoUTF16 GetValueAtIndex(unsigned aIndex)
{
- MOZ_ASSERT(aIndex < mList.Length());
- return NS_ConvertASCIItoUTF16(mList[aIndex].mValue);
+ MaybeSortList();
+ MOZ_ASSERT(aIndex < mSortedList.Length());
+ return NS_ConvertASCIItoUTF16(mSortedList[aIndex].mValue);
}
void Clear();
@@ -152,6 +164,9 @@ private:
const nsACString& aValue);
static bool IsRevalidationHeader(const nsACString& aName);
+
+ void MaybeSortList();
+ void SetListDirty();
};
} // namespace dom