// -----------------------------------------------------------------------------
// JPLangUtil::ConvertFullHiragnaToFullKatakana
// Converts Full-width Hiragana and Special Character text found in
// aUnicodeSource to their Full-width counterparts and places the
// resulting text into aUnicodeTarget.
// -----------------------------------------------------------------------------
//
EXPORT_C TInt JPLangUtil::ConvertFullHiragnaToFullKatakana
( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget )
{
TInt totalConverted( 0 );
const TInt length( aUnicodeSource.Length() );
const TInt maxLength( aUnicodeTarget.MaxLength() );
if( length > maxLength )
{
return KErrTooBig;
}
const TUint comp = KFullWidthKatakanaSmallA - KFullWidthHiraganaSmallA;
aUnicodeTarget.Zero();
for( TInt i( 0 ); i < length; ++i )
{
const TText uniChar( aUnicodeSource[i] );
TText uniChar2(0);
if (i + 1 < length)
{
uniChar2 = aUnicodeSource[i+1];
}
// First check if this is this Full Width Katakana
if (KFullWidthHiraganaSmallA <= uniChar && uniChar <= KFullWidthHiraganaVU)
{
if (uniChar == KFullWidthHiraganaU
&& uniChar2 == KFullWidthHiraganaVoicedSound)
{
aUnicodeTarget.Append(KFullWidthKatakanaSmallVU);
totalConverted++;
i++;
}
else
{
TUint katakana = uniChar + comp;
if (IsKatakana(katakana))
{
aUnicodeTarget.Append(katakana);
totalConverted++;
}
}
}
else
{
aUnicodeTarget.Append(uniChar);
totalConverted++;
}
}
// Now handle special characters
// This logic may be moved into this function to avoid another loop over
// the text
totalConverted +=
UnicodeTextUtil::ConvertSpecialCharactersInPlace( EFullToHalfWidth,
aUnicodeTarget );
return totalConverted;
}
EXPORT_C int WstringToTbuf16(wstring& aSrc, TDes16& aDes)
{
int retval = ESuccess;
const wchar_t* wcharString = aSrc.c_str();
if (L'\0' == wcharString[0])
{
return EStringNoData;
}
int len= wcslen(wcharString);
if ((wcslen(wcharString)) > aDes.MaxLength())
if (len > aDes.MaxLength())
{
return EInsufficientMemory;
}
aDes.Copy((const TUint16*)wcharString);
return retval;
}
EXPORT_C int WcharToTbuf16(const wchar_t* aSrc, TDes16& aDes)
{
unsigned int ilen = 0;
if ( !aSrc )
{
return EInvalidPointer;
}
else
{
ilen = wcslen(aSrc);
if(ilen > aDes.MaxLength())
{
return EInsufficientMemory;
}
}
aDes.Copy((const TUint16*)aSrc, ilen);
return ESuccess;
}
// -----------------------------------------------------------------------------
// JPLangUtil::ConvertFullToHalfWidthKatakana
// Converts Full-width Katakana and Special Character text found in
// aUnicodeSource to their Half-width counterparts and places the resulting text
// into aUnicodeTarget. There will be a 2-for-1 conversion for each Full-width
// Voiced and Semi-voiced Katakana character.
// (detailed information about the parameters and return values can be found in
// the header file)
// -----------------------------------------------------------------------------
//
EXPORT_C TInt JPLangUtil::ConvertFullToHalfWidthKatakana
( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget )
{
TInt totalConverted( 0 );
const TInt length( aUnicodeSource.Length() );
const TInt maxLength( aUnicodeTarget.MaxLength() );
if( length > maxLength )
{
return KErrTooBig;
}
aUnicodeTarget.Zero();
for( TInt i( 0 ); i < length; ++i )
{
const TText uniChar( aUnicodeSource[i] );
// First check if this is this Full Width Katakana
if( ( uniChar >= KFullWidthKatakanaLowerBound &&
uniChar <= KFullWidthKatakanaUpperBound ) ||
( uniChar == KFullWidthKatakanaVoicedSoundMark ||
uniChar == KFullWidthKatakanaSemiVoicedSoundMark ) )
{
// Then check if it is (Semi-)Voiced and convert it properly
const TBool isVoiced(
UnicodeTextUtil::IsFullWidthVoicedKatakana( uniChar )
);
const TBool isSemiVoiced(
UnicodeTextUtil::IsFullWidthVoicedKatakana( uniChar, ETrue )
);
if( isVoiced || isSemiVoiced )
{
if( aUnicodeTarget.Length() + 2 > maxLength )
{
// This descriptor can't hold the new data
aUnicodeTarget.Zero();
return KErrTooBig;
}
UnicodeTextUtil::ConvertVoicedKatakanaCharAndAppendToTarget(
EFullToHalfWidth,
uniChar,
aUnicodeTarget,
isSemiVoiced
);
totalConverted++;
}
else
{
if( aUnicodeTarget.Length() + 1 > maxLength )
{
// This descriptor can't hold the new data
aUnicodeTarget.Zero();
return KErrTooBig;
}
aUnicodeTarget.Append(
UnicodeTextUtil::ConvertKatakanaChar(
EFullToHalfWidth,
uniChar
)
);
totalConverted++;
}
}
// This is not Full Width Katakana, so copy directly...
else
{
if( aUnicodeTarget.Length() + 1 > maxLength )
{
// This descriptor can't hold the new data
aUnicodeTarget.Zero();
return KErrTooBig;
}
const TChar uniCharacter( uniChar );
aUnicodeTarget.Append( uniCharacter );
}
}
// Now handle special characters
// This logic may be moved into this function to avoid another loop over
// the text
totalConverted +=
UnicodeTextUtil::ConvertSpecialCharactersInPlace( EFullToHalfWidth,
aUnicodeTarget );
return totalConverted;
}
// -----------------------------------------------------------------------------
// JPLangUtil::ConvertHalfToFullWidthKatakana
// Converts Half-width Katakana and Special Character text found in
// aUnicodeSource to their Full-width counterparts and places the resulting text
// into aUnicodeTarget.
// (detailed information about the parameters and return values can be found in
// the header file)
// -----------------------------------------------------------------------------
//
EXPORT_C TInt JPLangUtil::ConvertHalfToFullWidthKatakana
( const TDesC16& aUnicodeSource, TDes16& aUnicodeTarget )
{
TInt totalConverted( 0 );
const TInt length( aUnicodeSource.Length() );
if( length > aUnicodeTarget.MaxLength() )
{
return KErrTooBig;
}
aUnicodeTarget.Zero();
for( TInt i( 0 ); i < length; ++i )
{
const TText uniChar( aUnicodeSource[i] );
// Check if the next character is a Half Width Katakana (Semi-)Voiced
// Sound Mark and if the current character + the voiced sound mark have
// a Full Width counterpart
if( i + 1 < length )
{
const TBool isVoiced(
( UnicodeTextUtil::IsFullWidthVoicedConvertableHalfWidthBaseKatakana
( uniChar ) &&
( aUnicodeSource[i + 1] == KHalfWidthKatakanaVoicedSoundMark )
) );
const TBool isSemiVoiced(
( UnicodeTextUtil::IsFullWidthVoicedConvertableHalfWidthBaseKatakana
( uniChar, ETrue ) &&
( aUnicodeSource[i + 1] == KHalfWidthKatakanaSemiVoicedSoundMark )
) );
if( isVoiced || isSemiVoiced )
{
UnicodeTextUtil::ConvertVoicedKatakanaCharAndAppendToTarget(
EHalfToFullWidth,
uniChar,
aUnicodeTarget,
isSemiVoiced
);
i++; // Skip the (semi-)voice marker
totalConverted++;
continue;
}
}
// If not, then just convert directly if in range
if( uniChar >= KHalfWidthKatakanaLowerBound &&
uniChar <= KHalfWidthKatakanaUpperBound )
{
aUnicodeTarget.Append(
UnicodeTextUtil::ConvertKatakanaChar( EHalfToFullWidth,
uniChar )
);
totalConverted++;
}
// Else this is not Half Width Katakana, so copy directly...
else
{
const TChar uniCharacter( uniChar );
aUnicodeTarget.Append( uniCharacter );
}
}
// Now handle special characters
// This logic may be moved into this function to avoid another
// loop over the text.
totalConverted +=
UnicodeTextUtil::ConvertSpecialCharactersInPlace( EHalfToFullWidth,
aUnicodeTarget );
return totalConverted;
}
