1 karl  1.15 //%2006////////////////////////////////////////////////////////////////////////

  2 david 1.1  //

  3 karl  1.10 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
  4            // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
  5            // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;

  6 karl  1.3  // IBM Corp.; EMC Corporation, The Open Group.

  7 karl  1.10 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
  8            // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
  9            // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 10            // EMC Corporation; VERITAS Software Corporation; The Open Group.

 11 karl  1.15 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
 12            // EMC Corporation; Symantec Corporation; The Open Group.

 13 david 1.1  //
 14            // Permission is hereby granted, free of charge, to any person obtaining a copy
 15            // of this software and associated documentation files (the "Software"), to
 16            // deal in the Software without restriction, including without limitation the
 17            // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 18            // sell copies of the Software, and to permit persons to whom the Software is
 19            // furnished to do so, subject to the following conditions:

 20 karl  1.15 // 

 21 david 1.1  // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
 22            // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
 23            // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 24            // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 25            // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 26            // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 27            // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 28            // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 29            //
 30            //==============================================================================
 31            //
 32            // Author: Dave Rosckes   (rosckes@us.ibm.com)
 33            //

 34 yi.zhou 1.12 // Modified By: Yi Zhou Hewlett-Packard Company (yi.zhou@hp.com)

 35 david   1.1  //
 36              //%/////////////////////////////////////////////////////////////////////////////
 37              
 38              #ifndef Pegasus_CommonUTF_h
 39              #define Pegasus_CommonUTF_h
 40              #include <Pegasus/Common/Config.h>

 41 chuck   1.6  #include <Pegasus/Common/Linkage.h>

 42 chuck   1.7  #include <Pegasus/Common/String.h>

 43 marek   1.15.14.2 #include <Pegasus/Common/Mutex.h>

 44 david   1.1       
 45                   PEGASUS_NAMESPACE_BEGIN
 46                   
 47                   #define FIRST_HIGH_SURROGATE  (Uint32)0xD800
 48                   #define LAST_HIGH_SURROGATE   (Uint32)0xDBFF
 49                   #define FIRST_LOW_SURROGATE   (Uint32)0xDC00
 50                   #define LAST_LOW_SURROGATE    (Uint32)0xDFFF
 51                   #define REPLACEMENT_CHARACTER (Uint32)0x0000FFFD
 52                   #define MAX_BYTE              (Uint32)0x0000FFFF
 53                   #define MAX_UTF16             (Uint32)0x0010FFFF
 54                   
 55                   static const Uint32 halfBase = 0x0010000UL;
 56                   static const Uint32 halfMask = 0x3FFUL;
 57                   static const int halfShift  = 10;
 58                   static const Uint8 firstByteMark[7] = { 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
 59                   

 60 chip    1.11      static const Uint32 offsetsFromUTF8[6] = { 0x00000000UL, 0x00003080UL, 0x000E2080UL,
 61                                0x03C82080UL, 0xFA082080UL, 0x82082080UL };

 62 david   1.1       
 63                   static const char trailingBytesForUTF8[256] = {
 64                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 65                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 66                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 67                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 68                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 69                       0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 70                       1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
 71                       2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 3,3,3,3,3,3,3,3,4,4,4,4,5,5,5,5
 72                   };
 73                   
 74                   #define UTF_8_COUNT_TRAIL_BYTES(leadByte) (trailingBytesForUTF8[(Uint8)leadByte])
 75                   

 76 chuck   1.4       #define UTF8_NEXT(s, i) { \
 77                       (i)=((i) + UTF_8_COUNT_TRAIL_BYTES((s)[(i)]) + 1); \

 78 chip    1.11      }
 79                   

 80 david   1.1       

 81 chip    1.11      PEGASUS_COMMON_LINKAGE Boolean isValid_U8(const Uint8 *src,int size);

 82 david   1.1       

 83 chip    1.11      PEGASUS_COMMON_LINKAGE int UTF16toUTF8(
 84                       const Uint16** srcHead,
 85                       const Uint16* srcEnd,
 86                       Uint8** tgtHead,
 87                       Uint8* tgtEnd);
 88                   
 89                   PEGASUS_COMMON_LINKAGE int UTF8toUTF16(
 90                       const Uint8** srcHead,
 91                       const Uint8* srcEnd,
 92                       Uint16** tgtHead,
 93                       Uint16* tgtEnd);

 94 david   1.1       

 95 mike    1.13      PEGASUS_COMMON_LINKAGE Boolean isUTF8Aux(const char*);
 96                   
 97                   inline Boolean isUTF8(const char* c)
 98                   {
 99                       return (unsigned int)c[0] < 128 || isUTF8Aux(c);
100                   }

101 chuck   1.7       

102 chuck   1.9       PEGASUS_COMMON_LINKAGE Boolean isUTF8Str(const char*);
103                   

104 chuck   1.7       /** Escape all characters above 7-bit ASCII.
105                       @param String: The string to be escaped Insert text here.
106                       @return String: The escaped string.
107                   */
108                   PEGASUS_COMMON_LINKAGE String escapeStringEncoder(const String& Str);
109                   
110                   /** decode string returned from escapeString Encoder.
111                       @param String: The string to be decoded.
112                       @return String: The decoded string.
113                   

114 chip    1.11          Prereq: Only the return string from the escapeStringEncoder can be used

115 chuck   1.7                   as input.
116                   */
117                   PEGASUS_COMMON_LINKAGE String escapeStringDecoder(const String& Str);
118                   

119 yi.zhou 1.12      /**
120                       The InitializeICU class loads and initializes data items that are required 
121                       internally by various ICU functions. It makes sure that ICU function u_init 
122                       is only called once by a process. A module which is using ICU APIs needs 
123                       to call InitializeICU::initICUSuccessful first before it calls other ICU 
124                       APIs. If InitializeICU::initICUSuccessful is failed, the module should not 
125                       call other ICU APIs. 
126                   */
127                   
128                   #ifdef PEGASUS_HAS_ICU
129                   class PEGASUS_COMMON_LINKAGE InitializeICU
130                   {
131                   public:
132                   
133                       /**
134                   	Determines if ICU initialization is successful.
135                   
136                   	@return  true, if u_init is called and success
137                   	         false otherwise
138                       */
139                   
140 yi.zhou 1.12          static Boolean initICUSuccessful();
141                   
142                   private:
143                       static Boolean _initAttempted;
144                       static Boolean _initSuccessful;
145                   
146                       static Mutex _initMutex;
147                   };
148                   
149                   #endif
150                   

151 david   1.5       

152 david   1.1       PEGASUS_NAMESPACE_END

153 chuck   1.2       

154 david   1.1       #endif