svtools/source/misc1/lngmisc.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_svtools.hxx"
  33 #include <lngmisc.hxx>
  34 #include <tools/solar.h>
  35 #include <tools/string.hxx>
  36 #include <tools/debug.hxx>
  37 #include <rtl/ustrbuf.hxx>
  38 #include <rtl/ustring.hxx>
  39
  40
  41 using namespace rtl;
  42
  43 namespace linguistic
  44 {
  45
  46 ///////////////////////////////////////////////////////////////////////////
  47
  48 INT32 GetNumControlChars( const OUString &rTxt )
  49 {
  50     INT32 nCnt = 0;
  51     INT32 nLen = rTxt.getLength();
  52     for (INT32 i = 0;  i < nLen;  ++i)
  53     {
  54         if (IsControlChar( rTxt[i] ))
  55             ++nCnt;
  56     }
  57     return nCnt;
  58 }
  59
  60
  61 BOOL RemoveHyphens( OUString &rTxt )
  62 {
  63     BOOL bModified = FALSE;
  64     if (HasHyphens( rTxt ))
  65     {
  66         String aTmp( rTxt );
  67         aTmp.EraseAllChars( SVT_SOFT_HYPHEN );
  68         aTmp.EraseAllChars( SVT_HARD_HYPHEN );
  69         rTxt = aTmp;
  70         bModified = TRUE;
  71     }
  72     return bModified;
  73 }
  74
  75
  76 BOOL RemoveControlChars( OUString &rTxt )
  77 {
  78     BOOL bModified = FALSE;
  79     INT32 nCtrlChars = GetNumControlChars( rTxt );
  80     if (nCtrlChars)
  81     {
  82         INT32 nLen      = rTxt.getLength();
  83         INT32 nSize = nLen - nCtrlChars;
  84         OUStringBuffer aBuf( nSize );
  85         aBuf.setLength( nSize );
  86         INT32 nCnt = 0;
  87         for (INT32 i = 0;  i < nLen;  ++i)
  88         {
  89             sal_Unicode cChar = rTxt[i];
  90             if (!IsControlChar( cChar ))
  91             {
  92                 DBG_ASSERT( nCnt < nSize, "index out of range" );
  93                 aBuf.setCharAt( nCnt++, cChar );
  94             }
  95         }
  96         DBG_ASSERT( nCnt == nSize, "wrong size" );
  97         rTxt = aBuf.makeStringAndClear();
  98         bModified = TRUE;
  99     }
 100     return bModified;
 101 }
 102
 103
 104 // non breaking field character
 105 #define CH_TXTATR_INWORD    ((sal_Char) 0x02)
 106
 107 BOOL ReplaceControlChars( rtl::OUString &rTxt, sal_Char /*aRplcChar*/ )
 108 {
 109     // the resulting string looks like this:
 110     // 1. non breaking field characters get removed
 111     // 2. remaining control characters will be replaced by ' '
 112
 113     BOOL bModified = FALSE;
 114     INT32 nCtrlChars = GetNumControlChars( rTxt );
 115     if (nCtrlChars)
 116     {
 117         INT32 nLen  = rTxt.getLength();
 118         OUStringBuffer aBuf( nLen );
 119         INT32 nCnt = 0;
 120         for (INT32 i = 0;  i < nLen;  ++i)
 121         {
 122             sal_Unicode cChar = rTxt[i];
 123             if (CH_TXTATR_INWORD != cChar)
 124             {
 125                 if (IsControlChar( cChar ))
 126                     cChar = ' ';
 127                 DBG_ASSERT( nCnt < nLen, "index out of range" );
 128                 aBuf.setCharAt( nCnt++, cChar );
 129             }
 130         }
 131         aBuf.setLength( nCnt );
 132         rTxt = aBuf.makeStringAndClear();
 133         bModified = TRUE;
 134     }
 135     return bModified;
 136 }
 137
 138 ///////////////////////////////////////////////////////////////////////////
 139
 140 } // namespace linguistic
 141