i18npool/source/transliteration/ignoreKiKuFollowedBySa_ja_JP.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_i18npool.hxx"
  33
  34 // prevent internal compiler error with MSVC6SP3
  35 #include <utility>
  36
  37 #define TRANSLITERATION_KiKuFollowedBySa_ja_JP
  38 #include <transliteration_Ignore.hxx>
  39
  40 using namespace com::sun::star::uno;
  41 using namespace com::sun::star::lang;
  42 using namespace rtl;
  43
  44 namespace com { namespace sun { namespace star { namespace i18n {
  45
  46 OUString SAL_CALL
  47 ignoreKiKuFollowedBySa_ja_JP::folding( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >& offset )
  48   throw(RuntimeException)
  49 {
  50     // Create a string buffer which can hold nCount + 1 characters.
  51     // The reference count is 0 now.
  52     rtl_uString * newStr = x_rtl_uString_new_WithLength( nCount ); // defined in x_rtl_ustring.h
  53     sal_Unicode * dst = newStr->buffer;
  54     const sal_Unicode * src = inStr.getStr() + startPos;
  55
  56     sal_Int32 *p = 0;
  57     sal_Int32 position = 0;
  58     if (useOffset) {
  59         // Allocate nCount length to offset argument.
  60         offset.realloc( nCount );
  61         p = offset.getArray();
  62         position = startPos;
  63     }
  64
  65     //
  66     sal_Unicode previousChar = *src ++;
  67     sal_Unicode currentChar;
  68
  69     // Translation
  70     while (-- nCount > 0) {
  71         currentChar = *src ++;
  72
  73         // KU + Sa-So --> KI + Sa-So
  74         if (previousChar == 0x30AF ) { // KATAKANA LETTER KU
  75             if (0x30B5 <= currentChar && // KATAKANA LETTER SA
  76                     currentChar <= 0x30BE) { // KATAKANA LETTER ZO
  77                 if (useOffset) {
  78                     *p ++ = position++;
  79                     *p ++ = position++;
  80                 }
  81                 *dst ++ = 0x30AD;          // KATAKANA LETTER KI
  82                 *dst ++ = currentChar;
  83                 previousChar = *src ++;
  84                 nCount --;
  85                 continue;
  86             }
  87         }
  88
  89         if (useOffset)
  90             *p ++ = position++;
  91         *dst ++ = previousChar;
  92         previousChar = currentChar;
  93     }
  94
  95     if (nCount == 0) {
  96         if (useOffset)
  97             *p = position;
  98         *dst ++ = previousChar;
  99     }
 100
 101     *dst = (sal_Unicode) 0;
 102
 103     newStr->length = sal_Int32(dst - newStr->buffer);
 104     if (useOffset)
 105         offset.realloc(newStr->length);
 106     return OUString( newStr ); // defined in rtl/usrting. The reference count is increased from 0 to 1.
 107 }
 108
 109 } } } }