LCOV - app.info - intl/uconv/ucvlatin/nsUCS2BEToUnicode.h

LCOV - code coverage report
| Current view: | directory - intl/uconv/ucvlatin - nsUCS2BEToUnicode.h (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 6 | 6 | 100.0 %
| Date: | 2012-06-02 | Functions: | 12 | 11 | 91.7 %

           1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is Mozilla Communicator client code.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is
          18                 :  * Netscape Communications Corporation.
          19                 :  * Portions created by the Initial Developer are Copyright (C) 1998
          20                 :  * the Initial Developer. All Rights Reserved.
          21                 :  *
          22                 :  * Contributor(s):
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
          26                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #ifndef nsUCS2BEToUnicode_h___
          39                 : #define nsUCS2BEToUnicode_h___
          40                 :
          41                 : #include "nsISupports.h"
          42                 : #include "nsUCSupport.h"
          43                 :
          44                 : // internal base class
          45                 : class nsUTF16ToUnicodeBase : public nsBasicDecoderSupport
          46             290 : {
          47                 : protected:
          48                 :   // ctor accessible only by child classes
          49             145 :   nsUTF16ToUnicodeBase() { Reset();}
          50                 :
          51                 : public:
          52                 :   //--------------------------------------------------------------------
          53                 :   // Subclassing of nsDecoderSupport class [declaration]
          54                 :
          55                 :   NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
          56                 :       PRInt32 * aDestLength);
          57                 :   NS_IMETHOD Reset();
          58                 :
          59                 : protected:
          60                 :   PRUint8 mState;
          61                 :   // to store an odd byte left over between runs
          62                 :   PRUint8 mOddByte;
          63                 :   // to store an odd high surrogate left over between runs
          64                 :   PRUnichar mOddHighSurrogate;
          65                 :   // to store an odd low surrogate left over between runs
          66                 :   PRUnichar mOddLowSurrogate;
          67                 : };
          68                 :
          69                 : // UTF-16 big endian
          70                 : class nsUTF16BEToUnicode : public nsUTF16ToUnicodeBase
          71             310 : {
          72                 : public:
          73                 :
          74                 :   NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
          75                 :       PRUnichar * aDest, PRInt32 * aDestLength);
          76                 : };
          77                 :
          78                 : // UTF-16 little endian
          79                 : class nsUTF16LEToUnicode : public nsUTF16ToUnicodeBase
          80             305 : {
          81                 : public:
          82                 :
          83                 :   NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
          84                 :       PRUnichar * aDest, PRInt32 * aDestLength);
          85                 : };
          86                 :
          87                 : // UTF-16 with BOM
          88                 : class nsUTF16ToUnicode : public nsUTF16ToUnicodeBase
          89              88 : {
          90                 : public:
          91                 :
          92              22 :   nsUTF16ToUnicode() { Reset();}
          93                 :   NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
          94                 :       PRUnichar * aDest, PRInt32 * aDestLength);
          95                 :
          96                 :   NS_IMETHOD Reset();
          97                 :
          98                 : private:
          99                 :
         100                 :   enum Endian {kUnknown, kBigEndian, kLittleEndian};
         101                 :   Endian  mEndian;
         102                 :   bool    mFoundBOM;
         103                 : };
         104                 :
         105                 : #endif /* nsUCS2BEToUnicode_h___ */

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