AtObj AtlasObject::LoadFromJSON(JSContext* cx, const std::string& json)
{
// Convert UTF8 to UTF16
wxString jsonW(json.c_str(), wxConvUTF8);
size_t json16len;
wxCharBuffer json16 = wxMBConvUTF16().cWC2MB(jsonW.c_str(), jsonW.Length(), &json16len);
jsval vp = JSVAL_NULL;
JSONParser* parser = JS_BeginJSONParse(cx, &vp);
if (!parser)
{
wxLogError(_T("ParseJSON failed to begin"));
return AtObj();
}
if (!JS_ConsumeJSONText(cx, parser, reinterpret_cast<const jschar*>(json16.data()), (uint32)(json16len/2)))
{
wxLogError(_T("ParseJSON failed to consume"));
return AtObj();
}
if (!JS_FinishJSONParse(cx, parser, JSVAL_NULL))
{
wxLogError(_T("ParseJSON failed to finish"));
return AtObj();
}
AtObj obj;
obj.p = ConvertNode(cx, vp);
return obj;
}
CScriptValRooted ScriptInterface::ParseJSON(const std::string& string_utf8)
{
std::wstring attrsW = wstring_from_utf8(string_utf8);
utf16string string(attrsW.begin(), attrsW.end());
jsval vp;
JSONParser* parser = JS_BeginJSONParse(m->m_cx, &vp);
if (!parser)
{
LOGERROR(L"ParseJSON failed to begin");
return CScriptValRooted();
}
if (!JS_ConsumeJSONText(m->m_cx, parser, reinterpret_cast<const jschar*>(string.c_str()), (uint32)string.size()))
{
LOGERROR(L"ParseJSON failed to consume");
return CScriptValRooted();
}
if (!JS_FinishJSONParse(m->m_cx, parser, JSVAL_NULL))
{
LOGERROR(L"ParseJSON failed to finish");
return CScriptValRooted();
}
return CScriptValRooted(m->m_cx, vp);
}
NS_IMETHODIMP
nsJSONListener::OnStopRequest(nsIRequest *aRequest, nsISupports *aContext,
nsresult aStatusCode)
{
nsresult rv;
// This can happen with short UTF-8 messages
if (!mSniffBuffer.IsEmpty()) {
rv = ProcessBytes(mSniffBuffer.get(), mSniffBuffer.Length());
NS_ENSURE_SUCCESS(rv, rv);
}
JSBool ok = JS_FinishJSONParse(mCx, mJSONParser, JSVAL_NULL);
mJSONParser = nsnull;
if (!ok)
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP
nsJSON::DecodeToJSVal(const nsAString &str, JSContext *cx, jsval *result)
{
JSAutoRequest ar(cx);
JSONParser *parser = JS_BeginJSONParse(cx, result);
NS_ENSURE_TRUE(parser, NS_ERROR_UNEXPECTED);
JSBool ok = JS_ConsumeJSONText(cx, parser,
(jschar*)PromiseFlatString(str).get(),
(uint32)str.Length());
// Since we've called JS_BeginJSONParse, we have to call JS_FinishJSONParse,
// even if JS_ConsumeJSONText fails. But if either fails, we'll report an
// error.
ok = ok && JS_FinishJSONParse(cx, parser, JSVAL_NULL);
if (!ok) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
void nsJSONListener::Cleanup()
{
if (mJSONParser)
JS_FinishJSONParse(mCx, mJSONParser, JSVAL_NULL);
mJSONParser = nsnull;
}
