gecko-dev/dom/interfaces/json/nsIJSON.idl

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/* -*- 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 "domstubs.idl"
interface nsIInputStream;
interface nsIOutputStream;
interface nsIScriptGlobalObject;
[ptr] native JSValPtr(jsval);
[ptr] native JSContext(JSContext);
/**
* Encode and decode JSON text.
*/
[scriptable, uuid(43845d58-1054-47fb-8be3-970b3f7bd7ea)]
interface nsIJSON : nsISupports
{
/**
* New users should use JSON.stringify!
* The encode() method is only present for backward compatibility.
* encode() is not a conforming JSON stringify implementation!
*/
[deprecated,implicit_jscontext,optional_argc]
AString encode([optional] in jsval value);
/**
* New users should use JSON.stringify.
* You may also want to have a look at nsIConverterOutputStream.
*
* The encodeToStream() method is only present for backward compatibility.
* encodeToStream() is not a conforming JSON stringify implementation!
*/
[deprecated,implicit_jscontext,optional_argc]
void encodeToStream(in nsIOutputStream stream,
in string charset,
in boolean writeBOM,
[optional] in jsval value);
/**
* New users should use JSON.parse!
* The decode() method is only present for backward compatibility.
*/
[deprecated,implicit_jscontext]
jsval decode(in AString str);
[implicit_jscontext]
jsval decodeFromStream(in nsIInputStream stream,
in long contentLength);
[noscript] AString encodeFromJSVal(in JSValPtr value, in JSContext cx);
// Make sure you GCroot the result of this function before using it.
[noscript] jsval decodeToJSVal(in AString str, in JSContext cx);
/*
* Decode a JSON string, but also accept some strings in non-JSON format, as
* the decoding methods here did previously before tightening.
*
* This method is provided only as a temporary transition path for users of
* the old code who depended on the ability to decode leniently; new users
* should use JSON.parse.
*
* This method must only be called from script.
*
* @param str the string to parse
*/
[implicit_jscontext]
jsval legacyDecode(in AString str);
/* Identical to legacyDecode, but decode the contents of stream. */
[implicit_jscontext]
jsval legacyDecodeFromStream(in nsIInputStream stream,
in long contentLength);
/* Identical to legacyDecode, but decode into a jsval. */
// Make sure you GCroot the result of this function before using it.
[noscript] jsval legacyDecodeToJSVal(in AString str, in JSContext cx);
};