gecko/toolkit/components/telemetry/TelemetryCommon.h

46 lines
1.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* 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/. */
#ifndef TelemetryCommon_h__
#define TelemetryCommon_h__
#include "nsTHashtable.h"
#include "jsapi.h"
template<class EntryType>
class AutoHashtable : public nsTHashtable<EntryType>
{
public:
explicit AutoHashtable(uint32_t initLength =
PLDHashTable::kDefaultInitialLength);
typedef bool (*ReflectEntryFunc)(EntryType *entry, JSContext *cx, JS::Handle<JSObject*> obj);
bool ReflectIntoJS(ReflectEntryFunc entryFunc, JSContext *cx, JS::Handle<JSObject*> obj);
};
template<class EntryType>
AutoHashtable<EntryType>::AutoHashtable(uint32_t initLength)
: nsTHashtable<EntryType>(initLength)
{
}
/**
* Reflect the individual entries of table into JS, usually by defining
* some property and value of obj. entryFunc is called for each entry.
*/
template<typename EntryType>
bool
AutoHashtable<EntryType>::ReflectIntoJS(ReflectEntryFunc entryFunc,
JSContext *cx, JS::Handle<JSObject*> obj)
{
for (auto iter = this->Iter(); !iter.Done(); iter.Next()) {
if (!entryFunc(iter.Get(), cx, obj)) {
return false;
}
}
return true;
}
#endif // TelemetryCommon_h__