Source code

Revision control

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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsMacPreferencesReader.h"
#include "js/JSON.h"
#include "js/RootingAPI.h"
#include "js/Value.h"
#include "JSONWriter.h"
NS_IMPL_ISUPPORTS(nsMacPreferencesReader, nsIMacPreferencesReader)
using namespace mozilla;
struct StringWriteFunc : public JSONWriteFunc {
nsAString& mString;
explicit StringWriteFunc(nsAString& aStr) : mString(aStr) {}
void Write(const Span<const char>& aStr) override {
mString.Append(NS_ConvertUTF8toUTF16(aStr.data(), aStr.size()));
}
};
static void EvaluateDict(JSONWriter* aWriter, NSDictionary<NSString*, id>* aDict);
static void EvaluateArray(JSONWriter* aWriter, NSArray* aArray) {
for (id elem in aArray) {
if ([elem isKindOfClass:[NSString class]]) {
aWriter->StringElement(MakeStringSpan([elem UTF8String]));
} else if ([elem isKindOfClass:[NSNumber class]]) {
aWriter->IntElement([elem longLongValue]);
} else if ([elem isKindOfClass:[NSArray class]]) {
aWriter->StartArrayElement();
EvaluateArray(aWriter, elem);
aWriter->EndArray();
} else if ([elem isKindOfClass:[NSDictionary class]]) {
aWriter->StartObjectElement();
EvaluateDict(aWriter, elem);
aWriter->EndObject();
}
}
}
static void EvaluateDict(JSONWriter* aWriter, NSDictionary<NSString*, id>* aDict) {
for (NSString* key in aDict) {
id value = aDict[key];
if ([value isKindOfClass:[NSString class]]) {
aWriter->StringProperty(MakeStringSpan([key UTF8String]), MakeStringSpan([value UTF8String]));
} else if ([value isKindOfClass:[NSNumber class]]) {
aWriter->IntProperty(MakeStringSpan([key UTF8String]), [value longLongValue]);
} else if ([value isKindOfClass:[NSArray class]]) {
aWriter->StartArrayProperty(MakeStringSpan([key UTF8String]));
EvaluateArray(aWriter, value);
aWriter->EndArray();
} else if ([value isKindOfClass:[NSDictionary class]]) {
aWriter->StartObjectProperty(MakeStringSpan([key UTF8String]));
EvaluateDict(aWriter, value);
aWriter->EndObject();
}
}
}
NS_IMETHODIMP
nsMacPreferencesReader::PoliciesEnabled(bool* aPoliciesEnabled) {
NSString* policiesEnabledStr = [NSString stringWithUTF8String:ENTERPRISE_POLICIES_ENABLED_KEY];
*aPoliciesEnabled = [[NSUserDefaults standardUserDefaults] boolForKey:policiesEnabledStr] == YES;
return NS_OK;
}
NS_IMETHODIMP
nsMacPreferencesReader::ReadPreferences(JSContext* aCx, JS::MutableHandle<JS::Value> aResult) {
nsAutoString jsonStr;
JSONWriter w(MakeUnique<StringWriteFunc>(jsonStr));
w.Start();
EvaluateDict(&w, [[NSUserDefaults standardUserDefaults] dictionaryRepresentation]);
w.End();
auto json = static_cast<const char16_t*>(jsonStr.get());
JS::RootedValue val(aCx);
MOZ_ALWAYS_TRUE(JS_ParseJSON(aCx, json, jsonStr.Length(), &val));
aResult.set(val);
return NS_OK;
}