mirror of
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94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsJSON_h__
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#define nsJSON_h__
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#include "nsIJSON.h"
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#include "nsString.h"
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#include "nsCOMPtr.h"
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#include "nsIOutputStream.h"
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#include "mozilla/Encoding.h"
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#include "nsIRequestObserver.h"
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#include "nsIStreamListener.h"
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#include "nsTArray.h"
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class nsIURI;
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class MOZ_STACK_CLASS nsJSONWriter
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{
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public:
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nsJSONWriter();
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explicit nsJSONWriter(nsIOutputStream* aStream);
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virtual ~nsJSONWriter();
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nsCOMPtr<nsIOutputStream> mStream;
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nsresult Write(const char16_t *aBuffer, uint32_t aLength);
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nsString mOutputString;
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bool DidWrite();
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void FlushBuffer();
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protected:
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char16_t *mBuffer;
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uint32_t mBufferCount;
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bool mDidWrite;
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nsresult WriteToStream(nsIOutputStream* aStream,
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mozilla::Encoder* encoder,
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const char16_t* aBuffer,
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uint32_t aLength);
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mozilla::UniquePtr<mozilla::Encoder> mEncoder;
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};
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class nsJSON : public nsIJSON
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{
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public:
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nsJSON();
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NS_DECL_ISUPPORTS
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NS_DECL_NSIJSON
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protected:
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virtual ~nsJSON();
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nsresult EncodeInternal(JSContext* cx,
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const JS::Value& val,
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nsJSONWriter* writer);
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nsresult DecodeInternal(JSContext* cx,
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nsIInputStream* aStream,
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int32_t aContentLength,
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bool aNeedsConverter,
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JS::MutableHandle<JS::Value> aRetVal);
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nsCOMPtr<nsIURI> mURI;
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};
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nsresult
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NS_NewJSON(nsISupports* aOuter, REFNSIID aIID, void** aResult);
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class nsJSONListener : public nsIStreamListener
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{
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public:
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nsJSONListener(JSContext *cx, JS::Value *rootVal, bool needsConverter);
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NS_DECL_ISUPPORTS
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NS_DECL_NSIREQUESTOBSERVER
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NS_DECL_NSISTREAMLISTENER
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protected:
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virtual ~nsJSONListener();
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bool mNeedsConverter;
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JSContext *mCx;
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JS::Value *mRootVal;
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mozilla::UniquePtr<mozilla::Decoder> mDecoder;
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nsTArray<char16_t> mBufferedChars;
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nsresult ProcessBytes(const char* aBuffer, uint32_t aByteLength);
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nsresult ConsumeConverted(const char* aBuffer, uint32_t aByteLength);
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nsresult Consume(const char16_t *data, uint32_t len);
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};
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#endif
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