dom/src/json/nsJSON.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nsJSON_h__
michael@0 7 #define nsJSON_h__
michael@0 8
michael@0 9 #include "nsIJSON.h"
michael@0 10 #include "nsString.h"
michael@0 11 #include "nsCOMPtr.h"
michael@0 12 #include "nsIOutputStream.h"
michael@0 13 #include "nsIUnicodeEncoder.h"
michael@0 14 #include "nsIUnicodeDecoder.h"
michael@0 15 #include "nsIRequestObserver.h"
michael@0 16 #include "nsIStreamListener.h"
michael@0 17 #include "nsTArray.h"
michael@0 18
michael@0 19 class nsIURI;
michael@0 20
michael@0 21 class MOZ_STACK_CLASS nsJSONWriter
michael@0 22 {
michael@0 23 public:
michael@0 24 nsJSONWriter();
michael@0 25 nsJSONWriter(nsIOutputStream *aStream);
michael@0 26 virtual ~nsJSONWriter();
michael@0 27 nsresult SetCharset(const char *aCharset);
michael@0 28 nsCOMPtr<nsIOutputStream> mStream;
michael@0 29 nsresult Write(const char16_t *aBuffer, uint32_t aLength);
michael@0 30 nsString mOutputString;
michael@0 31 bool DidWrite();
michael@0 32 void FlushBuffer();
michael@0 33
michael@0 34 protected:
michael@0 35 char16_t *mBuffer;
michael@0 36 uint32_t mBufferCount;
michael@0 37 bool mDidWrite;
michael@0 38 nsresult WriteToStream(nsIOutputStream *aStream, nsIUnicodeEncoder *encoder,
michael@0 39 const char16_t *aBuffer, uint32_t aLength);
michael@0 40
michael@0 41 nsCOMPtr<nsIUnicodeEncoder> mEncoder;
michael@0 42 };
michael@0 43
michael@0 44 class nsJSON : public nsIJSON
michael@0 45 {
michael@0 46 public:
michael@0 47 nsJSON();
michael@0 48 virtual ~nsJSON();
michael@0 49
michael@0 50 NS_DECL_ISUPPORTS
michael@0 51 NS_DECL_NSIJSON
michael@0 52
michael@0 53 protected:
michael@0 54 nsresult EncodeInternal(JSContext* cx,
michael@0 55 const JS::Value& val,
michael@0 56 nsJSONWriter* writer);
michael@0 57
michael@0 58 nsresult DecodeInternal(JSContext* cx,
michael@0 59 nsIInputStream* aStream,
michael@0 60 int32_t aContentLength,
michael@0 61 bool aNeedsConverter,
michael@0 62 JS::MutableHandle<JS::Value> aRetVal);
michael@0 63 nsCOMPtr<nsIURI> mURI;
michael@0 64 };
michael@0 65
michael@0 66 nsresult
michael@0 67 NS_NewJSON(nsISupports* aOuter, REFNSIID aIID, void** aResult);
michael@0 68
michael@0 69 class nsJSONListener : public nsIStreamListener
michael@0 70 {
michael@0 71 public:
michael@0 72 nsJSONListener(JSContext *cx, JS::Value *rootVal, bool needsConverter);
michael@0 73 virtual ~nsJSONListener();
michael@0 74
michael@0 75 NS_DECL_ISUPPORTS
michael@0 76 NS_DECL_NSIREQUESTOBSERVER
michael@0 77 NS_DECL_NSISTREAMLISTENER
michael@0 78
michael@0 79 protected:
michael@0 80 bool mNeedsConverter;
michael@0 81 JSContext *mCx;
michael@0 82 JS::Value *mRootVal;
michael@0 83 nsCOMPtr<nsIUnicodeDecoder> mDecoder;
michael@0 84 nsCString mSniffBuffer;
michael@0 85 nsTArray<char16_t> mBufferedChars;
michael@0 86 nsresult ProcessBytes(const char* aBuffer, uint32_t aByteLength);
michael@0 87 nsresult ConsumeConverted(const char* aBuffer, uint32_t aByteLength);
michael@0 88 nsresult Consume(const char16_t *data, uint32_t len);
michael@0 89 };
michael@0 90
michael@0 91 #endif

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