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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 nsJSON_h__
#define nsJSON_h__
#include "nsIJSON.h"
#include "nsString.h"
#include "nsCOMPtr.h"
#include "nsIOutputStream.h"
#include "nsIUnicodeEncoder.h"
#include "nsIUnicodeDecoder.h"
#include "nsIRequestObserver.h"
#include "nsIStreamListener.h"
#include "nsTArray.h"
class nsIURI;
class MOZ_STACK_CLASS nsJSONWriter
{
public:
nsJSONWriter();
explicit nsJSONWriter(nsIOutputStream* aStream);
virtual ~nsJSONWriter();
nsresult SetCharset(const char *aCharset);
nsCOMPtr<nsIOutputStream> mStream;
nsresult Write(const char16_t *aBuffer, uint32_t aLength);
nsString mOutputString;
bool DidWrite();
void FlushBuffer();
protected:
char16_t *mBuffer;
uint32_t mBufferCount;
bool mDidWrite;
nsresult WriteToStream(nsIOutputStream *aStream, nsIUnicodeEncoder *encoder,
const char16_t *aBuffer, uint32_t aLength);
nsCOMPtr<nsIUnicodeEncoder> mEncoder;
};
class nsJSON : public nsIJSON
{
public:
nsJSON();
NS_DECL_ISUPPORTS
NS_DECL_NSIJSON
protected:
virtual ~nsJSON();
nsresult EncodeInternal(JSContext* cx,
const JS::Value& val,
nsJSONWriter* writer);
nsresult DecodeInternal(JSContext* cx,
nsIInputStream* aStream,
int32_t aContentLength,
bool aNeedsConverter,
JS::MutableHandle<JS::Value> aRetVal);
nsCOMPtr<nsIURI> mURI;
};
nsresult
NS_NewJSON(nsISupports* aOuter, REFNSIID aIID, void** aResult);
class nsJSONListener : public nsIStreamListener
{
public:
nsJSONListener(JSContext *cx, JS::Value *rootVal, bool needsConverter);
NS_DECL_ISUPPORTS
NS_DECL_NSIREQUESTOBSERVER
NS_DECL_NSISTREAMLISTENER
protected:
virtual ~nsJSONListener();
bool mNeedsConverter;
JSContext *mCx;
JS::Value *mRootVal;
nsCOMPtr<nsIUnicodeDecoder> mDecoder;
nsCString mSniffBuffer;
nsTArray<char16_t> mBufferedChars;
nsresult ProcessBytes(const char* aBuffer, uint32_t aByteLength);
nsresult ConsumeConverted(const char* aBuffer, uint32_t aByteLength);
nsresult Consume(const char16_t *data, uint32_t len);
};
#endif
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