Source code
Revision control
Copy as Markdown
Other Tools
/* 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
#include "mozilla/dom/SpeculationRuleSet.h"
#include "js/friend/ErrorMessages.h"
#include "mozilla/dom/PrefetchCandidates.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/speculationrules_ffi_generated.h"
#include "nsIURI.h"
namespace mozilla::dom {
/* static */ void SpeculationRuleSet::operator delete(
void* aSpeculationRuleSet) {
speculation_rule_set_destroy(
reinterpret_cast<SpeculationRuleSet*>(aSpeculationRuleSet));
}
/* static */
Result<UniquePtr<SpeculationRuleSet>, SpeculationRuleParseError>
SpeculationRuleSet::Parse(const nsACString& aSource, nsIURI* aDocumentBaseUri,
nsIURI* aBaseUri) {
MOZ_ASSERT(aDocumentBaseUri && aBaseUri);
nsAutoCString documentBaseUri;
aDocumentBaseUri->GetSpec(documentBaseUri);
nsAutoCString baseUri;
aBaseUri->GetSpec(baseUri);
SpeculationRuleParseError parseError = SpeculationRuleParseError::None;
SpeculationRuleSet* parsedRuleSet = parse_speculation_rule_set(
&aSource, &documentBaseUri, &baseUri, &parseError);
if (!parsedRuleSet) {
// Steps 2 and 5.1
return Err(parseError);
}
return UniquePtr<SpeculationRuleSet>(parsedRuleSet);
}
/* static */ void SpeculationRuleSet::ReportParseError(
nsIGlobalObject* aGlobal, SpeculationRuleParseError aError) {
MOZ_ASSERT(aGlobal);
MOZ_ASSERT(aError != SpeculationRuleParseError::None);
AutoJSAPI jsapi;
if (!jsapi.Init(aGlobal)) {
return;
}
JSErrNum errorNumber = JSMSG_SPECULATION_RULES_NOT_A_MAP;
switch (aError) {
case SpeculationRuleParseError::TopLevelValueMustBeJsonObject:
errorNumber = JSMSG_SPECULATION_RULES_NOT_A_MAP;
break;
case SpeculationRuleParseError::InvalidTag:
errorNumber = JSMSG_SPECULATION_RULES_INVALID_TAG;
break;
case SpeculationRuleParseError::InvalidBaseUrl:
errorNumber = JSMSG_SPECULATION_RULES_INVALID_BASE_URL;
break;
case SpeculationRuleParseError::None:
MOZ_ASSERT_UNREACHABLE();
return;
}
JS_ReportErrorNumberASCII(jsapi.cx(), js::GetErrorMessage, nullptr,
errorNumber);
}
void SpeculationRuleSet::ConsiderLoads(PrefetchCandidates* aCandidates) {
consider_speculative_loads_for_rule_set(this, aCandidates);
}
} // namespace mozilla::dom