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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/GleanBinding.h"
#include "mozilla/glean/bindings/Glean.h"
#include "mozilla/glean/bindings/Category.h"
#include "mozilla/glean/bindings/GleanJSMetricsLookup.h"
namespace mozilla::glean {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_0(Category)
NS_IMPL_CYCLE_COLLECTING_ADDREF(Category)
NS_IMPL_CYCLE_COLLECTING_RELEASE(Category)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Category)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
JSObject* Category::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return dom::GleanCategory_Binding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<nsISupports> Category::NamedGetter(const nsAString& aName,
bool& aFound) {
aFound = false;
nsCString metricName;
metricName.AppendASCII(GetCategoryName(mId), mLength);
metricName.AppendLiteral(".");
AppendUTF16toUTF8(aName, metricName);
Maybe<uint32_t> metricIdx = MetricByNameLookup(metricName);
if (metricIdx.isNothing()) {
aFound = false;
return nullptr;
}
aFound = true;
return NewMetricFromId(metricIdx.value());
}
bool Category::NameIsEnumerable(const nsAString& aName) { return false; }
void Category::GetSupportedNames(nsTArray<nsString>& aNames) {
const char* category = GetCategoryName(mId);
for (metric_entry_t entry : sMetricByNameLookupEntries) {
const char* identifier = GetMetricIdentifier(entry);
// We're iterating all metrics,
// so we need to check for the ones in the right category.
//
// We need to ensure that we found _only_ the exact category by checking it
// is followed by a dot.
// We need to check the category first to ensure the string is at least that
// long, so the check at `mLength` is valid.
if (strncmp(category, identifier, mLength) == 0 &&
identifier[mLength] == '.') {
const char* metricName = &identifier[mLength + 1];
aNames.AppendElement()->AssignASCII(metricName);
}
}
}
} // namespace mozilla::glean
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