LCOV - code coverage report
Current view: directory - intl/uconv/ucvcn - nsISO2022CNToUnicode.h (source / functions) Found Hit Coverage
Test: app.info Lines: 11 0 0.0 %
Date: 2012-06-02 Functions: 5 0 0.0 %

       1                 : /* -*- Mode: C; tab-width: 4; 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.org 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                 :  *   Ervin Yan <Ervin.Yan@Sun.Com>
      24                 :  *
      25                 :  * Alternatively, the contents of this file may be used under the terms of
      26                 :  * either of the GNU General Public License Version 2 or later (the "GPL"),
      27                 :  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      28                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      29                 :  * of those above. If you wish to allow use of your version of this file only
      30                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      31                 :  * use your version of this file under the terms of the MPL, indicate your
      32                 :  * decision by deleting the provisions above and replace them with the notice
      33                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      34                 :  * the provisions above, a recipient may use your version of this file under
      35                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      36                 :  *
      37                 :  * ***** END LICENSE BLOCK ***** */
      38                 : #ifndef nsISO2022CNToUnicode_h__
      39                 : #define nsISO2022CNToUnicode_h__
      40                 : #include "nsCOMPtr.h"
      41                 : #include "nsISupports.h"
      42                 : #include "nsUCSupport.h"
      43                 : 
      44                 : #define MBYTE       0x8e
      45                 : #undef PMASK
      46                 : #define PMASK       0xa0
      47                 : 
      48                 : #define SI          0x0f 
      49                 : #define SO          0x0e
      50                 : #define ESC         0x1b
      51                 : #define SS2         0x4e
      52                 : #define SS3         0x4f
      53                 : 
      54                 : class nsISO2022CNToUnicode : public nsBasicDecoderSupport
      55                 : {
      56                 : public:
      57               0 :   nsISO2022CNToUnicode() : 
      58                 :         mState(eState_ASCII), 
      59                 :         mPlaneID(0),
      60               0 :         mRunLength(0) { }
      61                 : 
      62               0 :   virtual ~nsISO2022CNToUnicode() {}
      63                 : 
      64                 :   NS_IMETHOD Convert(const char *aSrc, PRInt32 * aSrcLength,
      65                 :      PRUnichar * aDest, PRInt32 * aDestLength) ;
      66                 : 
      67               0 :   NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
      68                 :      PRInt32 * aDestLength)
      69                 :   {
      70               0 :     *aDestLength = aSrcLength;
      71               0 :     return NS_OK;
      72                 :   }
      73                 : 
      74               0 :   NS_IMETHOD Reset()
      75                 :   {
      76               0 :     mState = eState_ASCII;
      77               0 :     mPlaneID = 0;
      78               0 :     mRunLength = 0;
      79                 : 
      80               0 :     return NS_OK;
      81                 :   }
      82                 : 
      83                 : private:
      84                 :   // State Machine ID
      85                 :   enum {
      86                 :     eState_ASCII,
      87                 :     eState_ESC,                           // ESC
      88                 :     eState_ESC_24,                        // ESC $
      89                 : 
      90                 :     eState_ESC_24_29,                     // ESC $ )
      91                 :     eState_ESC_24_29_A,                   // ESC $ ) A
      92                 :     eState_GB2312_1980,                   // ESC $ ) A SO
      93                 :     eState_GB2312_1980_2ndbyte,           // ESC $ ) A SO
      94                 :     eState_ESC_24_29_A_SO_SI,             // ESC $ ) A SO SI
      95                 :     eState_ESC_24_29_G,                   // ESC $ ) G or H
      96                 :     eState_CNS11643_1,                    // ESC $ ) G SO
      97                 :     eState_CNS11643_1_2ndbyte,            // ESC $ ) G SO
      98                 :     eState_ESC_24_29_G_SO_SI,             // ESC $ ) G SO SI
      99                 : 
     100                 :     eState_ESC_24_2A,                     // ESC $ *
     101                 :     eState_ESC_24_2A_H,                   // ESC $ * H
     102                 :     eState_ESC_24_2A_H_ESC,               // ESC $ * H ESC
     103                 :     eState_CNS11643_2,                    // ESC $ * H ESC SS2
     104                 :     eState_CNS11643_2_2ndbyte,            // ESC $ * H ESC SS2
     105                 :     eState_ESC_24_2A_H_ESC_SS2_SI,        // ESC $ * H ESC SS2 SI
     106                 :     eState_ESC_24_2A_H_ESC_SS2_SI_ESC,    // ESC $ * H ESC SS2 SI ESC
     107                 : 
     108                 :     eState_ESC_24_2B,                     // ESC $ +
     109                 :     eState_ESC_24_2B_I,                   // ESC $ + I
     110                 :     eState_ESC_24_2B_I_ESC,               // ESC $ + I ESC
     111                 :     eState_CNS11643_3,                    // ESC $ + I ESC SS3
     112                 :     eState_CNS11643_3_2ndbyte,            // ESC $ + I ESC SS3
     113                 :     eState_ESC_24_2B_I_ESC_SS3_SI,        // ESC $ + I ESC SI
     114                 :     eState_ESC_24_2B_I_ESC_SS3_SI_ESC,    // ESC $ + I ESC SI ESC
     115                 :     eState_ERROR
     116                 :   } mState;
     117                 : 
     118                 :   char mData;
     119                 : 
     120                 :   // Plane number for CNS11643 code
     121                 :   int mPlaneID;
     122                 : 
     123                 :   // Length of non-ASCII run
     124                 :   PRUint32 mRunLength;
     125                 : 
     126                 :   // Decoder handler
     127                 :   nsCOMPtr<nsIUnicodeDecoder> mGB2312_Decoder;
     128                 :   nsCOMPtr<nsIUnicodeDecoder> mEUCTW_Decoder;
     129                 : 
     130                 :   NS_IMETHOD GB2312_To_Unicode(unsigned char *aSrc, PRInt32 aSrcLength,
     131                 :      PRUnichar * aDest, PRInt32 * aDestLength) ;
     132                 : 
     133                 :   NS_IMETHOD EUCTW_To_Unicode(unsigned char *aSrc, PRInt32 aSrcLength,
     134                 :      PRUnichar * aDest, PRInt32 * aDestLength) ;
     135                 : };
     136                 : #endif // nsISO2022CNToUnicode_h__

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