connectivity/source/drivers/file/quotedstring.cxx

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  28
  29 #include "file/quotedstring.hxx"
  30 #include <rtl/logfile.hxx>
  31
  32 namespace connectivity
  33 {
  34     //==================================================================
  35     //= QuotedTokenizedString
  36     //==================================================================
  37     //------------------------------------------------------------------
  38     xub_StrLen QuotedTokenizedString::GetTokenCount( sal_Unicode cTok, sal_Unicode cStrDel ) const
  39     {
  40         RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "QuotedTokenizedString::GetTokenCount" );
  41         const xub_StrLen nLen = m_sString.Len();
  42         if ( !nLen )
  43             return 0;
  44
  45         xub_StrLen nTokCount = 1;
  46         sal_Bool bStart = sal_True;     // Are we on the first character in the Token?
  47         sal_Bool bInString = sal_False; // Are we WITHIN a (cStrDel delimited) String?
  48
  49         // Search for String-end after the first not matching character
  50         for( xub_StrLen i = 0; i < nLen; ++i )
  51         {
  52             const sal_Unicode cChar = m_sString.GetChar(i);
  53             if (bStart)
  54             {
  55                 bStart = sal_False;
  56                 // First character a String-Delimiter?
  57                 if ( cChar == cStrDel )
  58                 {
  59                     bInString = sal_True;   // then we are now WITHIN the string!
  60                     continue;           // skip this character!
  61                 }
  62             }
  63
  64             if (bInString)
  65             {
  66                 // when now the String-Delimiter-character occurs ...
  67                 if ( cChar == cStrDel )
  68                 {
  69                     if ((i+1 < nLen) && (m_sString.GetChar(i+1) == cStrDel))
  70                     {
  71                         // double String-Delimter-character:
  72                         ++i;    // no string-end, skip next character.
  73                     }
  74                     else
  75                     {
  76                         // String-End
  77                         bInString = sal_False;
  78                     }
  79                 }
  80             } // if (bInString)
  81             else
  82             {
  83                 // does the Token-character match, then raise TokCount
  84                 if ( cChar == cTok )
  85                 {
  86                     ++nTokCount;
  87                     bStart = sal_True;
  88                 }
  89             }
  90         }
  91         //OSL_TRACE("QuotedTokenizedString::nTokCount = %d\n", ((OUtoCStr(::rtl::OUString(nTokCount))) ? (OUtoCStr(::rtl::OUString(nTokCount))):("NULL")) );
  92
  93         return nTokCount;
  94     }
  95
  96     //------------------------------------------------------------------
  97     void QuotedTokenizedString::GetTokenSpecial( String& _rStr,xub_StrLen& nStartPos, sal_Unicode cTok, sal_Unicode cStrDel ) const
  98     {
  99         RTL_LOGFILE_CONTEXT_AUTHOR( aLogger, "file", "Ocke.Janssen@sun.com", "QuotedTokenizedString::GetTokenCount" );
 100         _rStr.Erase();
 101         const xub_StrLen nLen = m_sString.Len();
 102         if ( nLen )
 103         {
 104             sal_Bool bInString = (nStartPos < nLen) && (m_sString.GetChar(nStartPos) == cStrDel);   // are we WITHIN a (cStrDel delimited) String?
 105
 106             // First character a String-Delimiter?
 107             if (bInString )
 108                 ++nStartPos;            // skip this character!
 109             if ( nStartPos >= nLen )
 110                 return;
 111
 112             sal_Unicode* pData = _rStr.AllocBuffer( nLen - nStartPos + 1 );
 113             const sal_Unicode* pStart = pData;
 114             // Search until end of string for the first not matching character
 115             for( xub_StrLen i = nStartPos; i < nLen; ++i )
 116             {
 117                 const sal_Unicode cChar = m_sString.GetChar(i);
 118                 if (bInString)
 119                 {
 120                     // when now the String-Delimiter-character occurs ...
 121                     if ( cChar == cStrDel )
 122                     {
 123                         if ((i+1 < nLen) && (m_sString.GetChar(i+1) == cStrDel))
 124                         {
 125                             // double String Delimiter-character
 126                             // no end of string, skip next character.
 127                             ++i;
 128                             *pData++ = m_sString.GetChar(i);    // character belongs to Result-String
 129                         }
 130                         else
 131                         {
 132                             //end of String
 133                             bInString = sal_False;
 134                             *pData = 0;
 135                         }
 136                     }
 137                     else
 138                     {
 139                         *pData++ = cChar;   // character belongs to Result-String
 140                     }
 141
 142                 }
 143                 else
 144                 {
 145                     // does the Token-sign match, then raise nTok
 146                     if ( cChar == cTok )
 147                     {
 148                         // premature break of loop possible, because we found what we were looking for
 149                         nStartPos = i+1;
 150                         break;
 151                     }
 152                     else
 153                     {
 154                         *pData++ = cChar;   // character belongs to Result-String
 155                     }
 156                 }
 157             } // for( xub_StrLen i = nStartPos; i < nLen; ++i )
 158             *pData = 0;
 159             _rStr.ReleaseBufferAccess(xub_StrLen(pData - pStart));
 160         }
 161     }
 162 }
 163
 164 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */