gecko-dev/tools/profiler/JSObjectBuilder.cpp

146 lines
3.2 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/. */
#include "jsapi.h"
#include "nsString.h"
#include "JSObjectBuilder.h"
JSObjectBuilder::JSObjectBuilder(JSContext *aCx) : mCx(aCx), mOk(true)
{}
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, JS::HandleObject aValue)
{
if (!mOk)
return;
mOk = JS_DefineProperty(mCx, aObject, name, OBJECT_TO_JSVAL(aValue), nullptr, nullptr, JSPROP_ENUMERATE);
}
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, int value)
{
if (!mOk)
return;
mOk = JS_DefineProperty(mCx, aObject, name, INT_TO_JSVAL(value), nullptr, nullptr, JSPROP_ENUMERATE);
}
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, double value)
{
if (!mOk)
return;
mOk = JS_DefineProperty(mCx, aObject, name, DOUBLE_TO_JSVAL(value), nullptr, nullptr, JSPROP_ENUMERATE);
}
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, nsAString &value)
{
if (!mOk)
return;
const nsString &flat = PromiseFlatString(value);
JSString *string = JS_NewUCStringCopyN(mCx, static_cast<const jschar*>(flat.get()), flat.Length());
if (!string)
mOk = false;
if (!mOk)
return;
mOk = JS_DefineProperty(mCx, aObject, name, STRING_TO_JSVAL(string), nullptr, nullptr, JSPROP_ENUMERATE);
}
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, const char *value, size_t valueLength)
{
if (!mOk)
return;
JSString *string = JS_InternStringN(mCx, value, valueLength);
if (!string) {
mOk = false;
return;
}
mOk = JS_DefineProperty(mCx, (JSObject*)aObject, name, STRING_TO_JSVAL(string), nullptr, nullptr, JSPROP_ENUMERATE); }
void
JSObjectBuilder::DefineProperty(JS::HandleObject aObject, const char *name, const char *value)
{
DefineProperty(aObject, name, value, strlen(value));
}
void
JSObjectBuilder::ArrayPush(JS::HandleObject aArray, int value)
{
if (!mOk)
return;
uint32_t length;
mOk = JS_GetArrayLength(mCx, aArray, &length);
if (!mOk)
return;
mOk = JS_SetElement(mCx, aArray, length, value);
}
void
JSObjectBuilder::ArrayPush(JS::HandleObject aArray, const char *value)
{
if (!mOk)
return;
JS::RootedString string(mCx, JS_NewStringCopyN(mCx, value, strlen(value)));
if (!string) {
mOk = false;
return;
}
uint32_t length;
mOk = JS_GetArrayLength(mCx, aArray, &length);
if (!mOk)
return;
mOk = JS_SetElement(mCx, aArray, length, string);
}
void
JSObjectBuilder::ArrayPush(JS::HandleObject aArray, JS::HandleObject aObject)
{
if (!mOk)
return;
uint32_t length;
mOk = JS_GetArrayLength(mCx, aArray, &length);
if (!mOk)
return;
mOk = JS_SetElement(mCx, aArray, length, aObject);
}
JSObject*
JSObjectBuilder::CreateArray() {
JSObject *array = JS_NewArrayObject(mCx, 0, nullptr);
if (!array)
mOk = false;
return array;
}
JSObject*
JSObjectBuilder::CreateObject() {
JSObject *obj = JS_NewObject(mCx, nullptr, JS::NullPtr(), JS::NullPtr());
if (!obj)
mOk = false;
return obj;
}