LibreOffice Module i18npool (master)  1
ignoreKiKuFollowedBySa_ja_JP.cxx
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19 
21 
22 #include <numeric>
23 
24 using namespace com::sun::star::uno;
25 using namespace com::sun::star::lang;
26 
27 namespace i18npool {
28 
29 OUString
30 ignoreKiKuFollowedBySa_ja_JP::foldingImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
31 {
32  // Create a string buffer which can hold nCount + 1 characters.
33  // The reference count is 1 now.
34  rtl_uString * newStr = rtl_uString_alloc(nCount);
35  sal_Unicode * dst = newStr->buffer;
36  const sal_Unicode * src = inStr.getStr() + startPos;
37 
38  if (pOffset) {
39  // Allocate nCount length to offset argument.
40  pOffset->realloc( nCount );
41  auto [begin, end] = asNonConstRange(*pOffset);
42  std::iota(begin, end, startPos);
43  }
44 
45 
46  sal_Unicode previousChar = *src ++;
47  sal_Unicode currentChar;
48 
49  // Translation
50  while (-- nCount > 0) {
51  currentChar = *src ++;
52 
53  // KU + Sa-So --> KI + Sa-So
54  if (previousChar == 0x30AF ) { // KATAKANA LETTER KU
55  if (0x30B5 <= currentChar && // KATAKANA LETTER SA
56  currentChar <= 0x30BE) { // KATAKANA LETTER ZO
57  *dst ++ = 0x30AD; // KATAKANA LETTER KI
58  *dst ++ = currentChar;
59  previousChar = *src ++;
60  nCount --;
61  continue;
62  }
63  }
64 
65  *dst ++ = previousChar;
66  previousChar = currentChar;
67  }
68 
69  if (nCount == 0) {
70  *dst ++ = previousChar;
71  }
72 
73  *dst = u'\0';
74 
75  newStr->length = sal_Int32(dst - newStr->buffer);
76  if (pOffset)
77  pOffset->realloc(newStr->length);
78  return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
79 }
80 
81 }
82 
83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_uInt16 sal_Unicode
enumrange< T >::Iterator begin(enumrange< T >)
float u
Constant values shared between i18npool and, for example, the number formatter.
enumrange< T >::Iterator end(enumrange< T >)