intl/uconv/ucvcn/nsUnicodeToGBK.h@97036ab72558 (annotated)
intl/uconv/ucvcn/nsUnicodeToGBK.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C; tab-width: 4; 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 | /** |
| michael@0 | 7 | * A character set converter from Unicode to GBK. |
| michael@0 | 8 | * |
| michael@0 | 9 | * |
| michael@0 | 10 | * @created 08/Sept/1999 |
| michael@0 | 11 | * @author Yueheng Xu, Yueheng.Xu@intel.com |
| michael@0 | 12 | */ |
| michael@0 | 13 | |
| michael@0 | 14 | #ifndef nsUnicodeToGBK_h___ |
| michael@0 | 15 | #define nsUnicodeToGBK_h___ |
| michael@0 | 16 | |
| michael@0 | 17 | #include "nsUCSupport.h" |
| michael@0 | 18 | #include "nsCOMPtr.h" |
| michael@0 | 19 | #include "nsIUnicodeEncoder.h" |
| michael@0 | 20 | #include "nsGBKConvUtil.h" |
| michael@0 | 21 | //---------------------------------------------------------------------- |
| michael@0 | 22 | // Class nsUnicodeToGBK [declaration] |
| michael@0 | 23 | |
| michael@0 | 24 | class nsUnicodeToGBK: public nsEncoderSupport |
| michael@0 | 25 | { |
| michael@0 | 26 | public: |
| michael@0 | 27 | |
| michael@0 | 28 | /** |
| michael@0 | 29 | * Class constructor. |
| michael@0 | 30 | */ |
| michael@0 | 31 | nsUnicodeToGBK(uint32_t aMaxLengthFactor = 2); |
| michael@0 | 32 | virtual ~nsUnicodeToGBK() {} |
| michael@0 | 33 | |
| michael@0 | 34 | protected: |
| michael@0 | 35 | |
| michael@0 | 36 | //-------------------------------------------------------------------- |
| michael@0 | 37 | // Subclassing of nsEncoderSupport class [declaration] |
| michael@0 | 38 | NS_IMETHOD ConvertNoBuff(const char16_t * aSrc, |
| michael@0 | 39 | int32_t * aSrcLength, |
| michael@0 | 40 | char * aDest, |
| michael@0 | 41 | int32_t * aDestLength); |
| michael@0 | 42 | |
| michael@0 | 43 | NS_IMETHOD ConvertNoBuffNoErr(const char16_t * aSrc, int32_t * aSrcLength, |
| michael@0 | 44 | char * aDest, int32_t * aDestLength) |
| michael@0 | 45 | { |
| michael@0 | 46 | return NS_OK; |
| michael@0 | 47 | } // just make it not abstract; |
| michael@0 | 48 | |
| michael@0 | 49 | virtual void CreateExtensionEncoder(); |
| michael@0 | 50 | virtual void Create4BytesEncoder(); |
| michael@0 | 51 | |
| michael@0 | 52 | nsCOMPtr<nsIUnicodeEncoder> mExtensionEncoder; |
| michael@0 | 53 | nsCOMPtr<nsIUnicodeEncoder> m4BytesEncoder; |
| michael@0 | 54 | protected: |
| michael@0 | 55 | char16_t mSurrogateHigh; |
| michael@0 | 56 | nsGBKConvUtil mUtil; |
| michael@0 | 57 | bool TryExtensionEncoder(char16_t aChar, char* aDest, int32_t* aOutLen); |
| michael@0 | 58 | bool Try4BytesEncoder(char16_t aChar, char* aDest, int32_t* aOutLen); |
| michael@0 | 59 | virtual bool EncodeSurrogate(char16_t aSurrogateHigh, char16_t aSurrogateLow, char* aDest); |
| michael@0 | 60 | }; |
| michael@0 | 61 | |
| michael@0 | 62 | class nsUnicodeToGB18030: public nsUnicodeToGBK |
| michael@0 | 63 | { |
| michael@0 | 64 | public: |
| michael@0 | 65 | nsUnicodeToGB18030() : nsUnicodeToGBK(4) {} |
| michael@0 | 66 | virtual ~nsUnicodeToGB18030() {} |
| michael@0 | 67 | protected: |
| michael@0 | 68 | virtual void CreateExtensionEncoder(); |
| michael@0 | 69 | virtual void Create4BytesEncoder(); |
| michael@0 | 70 | virtual bool EncodeSurrogate(char16_t aSurrogateHigh, char16_t aSurrogateLow, char* aDest); |
| michael@0 | 71 | }; |
| michael@0 | 72 | |
| michael@0 | 73 | #endif /* nsUnicodeToGBK_h___ */ |
| michael@0 | 74 |
