LibreOffice Module i18npool (master)  1
ignoreIandEfollowedByYa_ja_JP.cxx
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19 
21 
23 
24 #include <numeric>
25 
26 using namespace com::sun::star::uno;
27 using namespace com::sun::star::lang;
28 
29 namespace i18npool {
30 
32  { 0x30A3, 0x0000 }, // KATAKANA LETTER SMALL I
33  { 0x30A4, 0x0000 }, // KATAKANA LETTER I
34  { 0x30A7, 0x0000 }, // KATAKANA LETTER SMALL E
35  { 0x30A8, 0x0000 }, // KATAKANA LETTER E
36  { 0x30AD, 0x0000 }, // KATAKANA LETTER KI
37  { 0x30AE, 0x0000 }, // KATAKANA LETTER GI
38  { 0x30B1, 0x0000 }, // KATAKANA LETTER KE
39  { 0x30B2, 0x0000 }, // KATAKANA LETTER GE
40  { 0x30B7, 0x0000 }, // KATAKANA LETTER SI
41  { 0x30B8, 0x0000 }, // KATAKANA LETTER ZI
42  { 0x30BB, 0x0000 }, // KATAKANA LETTER SE
43  { 0x30BC, 0x0000 }, // KATAKANA LETTER ZE
44  { 0x30C1, 0x0000 }, // KATAKANA LETTER TI
45  { 0x30C2, 0x0000 }, // KATAKANA LETTER DI
46  { 0x30C6, 0x0000 }, // KATAKANA LETTER TE
47  { 0x30C7, 0x0000 }, // KATAKANA LETTER DE
48  { 0x30CB, 0x0000 }, // KATAKANA LETTER NI
49  { 0x30CD, 0x0000 }, // KATAKANA LETTER NE
50  { 0x30D2, 0x0000 }, // KATAKANA LETTER HI
51  { 0x30D3, 0x0000 }, // KATAKANA LETTER BI
52  { 0x30D4, 0x0000 }, // KATAKANA LETTER PI
53  { 0x30D8, 0x0000 }, // KATAKANA LETTER HE
54  { 0x30D9, 0x0000 }, // KATAKANA LETTER BE
55  { 0x30DA, 0x0000 }, // KATAKANA LETTER PE
56  { 0x30DF, 0x0000 }, // KATAKANA LETTER MI
57  { 0x30E1, 0x0000 }, // KATAKANA LETTER ME
58  { 0x30EA, 0x0000 }, // KATAKANA LETTER RI
59  { 0x30EC, 0x0000 }, // KATAKANA LETTER RE
60  { 0x30F0, 0x0000 }, // KATAKANA LETTER WI
61  { 0x30F1, 0x0000 }, // KATAKANA LETTER WE
62  { 0x30F6, 0x0000 }, // KATAKANA LETTER SMALL KE
63  { 0x30F8, 0x0000 }, // KATAKANA LETTER VI
64  { 0x30F9, 0x0000 } // KATAKANA LETTER VE
65 };
66 
67 
68 OUString
69 ignoreIandEfollowedByYa_ja_JP::foldingImpl( const OUString& inStr, sal_Int32 startPos, sal_Int32 nCount, Sequence< sal_Int32 >* pOffset )
70 {
71  // Create a string buffer which can hold nCount + 1 characters.
72  // The reference count is 1 now.
73  rtl_uString * newStr = rtl_uString_alloc(nCount);
74  sal_Unicode * dst = newStr->buffer;
75  const sal_Unicode * src = inStr.getStr() + startPos;
76 
77  if (pOffset) {
78  // Allocate nCount length to offset argument.
79  pOffset->realloc( nCount );
80  auto [begin, end] = asNonConstRange(*pOffset);
81  std::iota(begin, end, startPos);
82  }
83 
84 
85  sal_Unicode previousChar = *src ++;
86  sal_Unicode currentChar;
87 
88  // One to one mapping
89  i18nutil::oneToOneMapping aTable(IandE, sizeof(IandE));
90 
91  // Translation
92  while (-- nCount > 0) {
93  currentChar = *src ++;
94 
95  // the character listed in above table + YA --> the character + A
96  if (currentChar == 0x30E3 || // KATAKANA LETTER SMALL YA
97  currentChar == 0x30E4) { // KATAKANA LETTER YA
98  if (aTable[ previousChar ] != previousChar) {
99  *dst ++ = previousChar;
100  *dst ++ = 0x30A2; // KATAKANA LETTER A
101  previousChar = *src ++;
102  nCount --;
103  continue;
104  }
105  }
106 
107  *dst ++ = previousChar;
108  previousChar = currentChar;
109  }
110 
111  if (nCount == 0) {
112  *dst ++ = previousChar;
113  }
114 
115  *dst = u'\0';
116 
117  newStr->length = sal_Int32(dst - newStr->buffer);
118  if (pOffset)
119  pOffset->realloc(newStr->length);
120  return OUString(newStr, SAL_NO_ACQUIRE); // take ownership
121 }
122 
123 }
124 
125 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_uInt16 sal_Unicode
enumrange< T >::Iterator begin(enumrange< T >)
float u
i18nutil::OneToOneMappingTable_t const IandE[]
Constant values shared between i18npool and, for example, the number formatter.
enumrange< T >::Iterator end(enumrange< T >)