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trunk/branch integration: fixbug

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This commit is contained in:
Marian Krivos 2011-08-22 18:24:21 +00:00
parent 89fd4a231a
commit a967b0fb9e
1 changed files with 46 additions and 17 deletions
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63
Foundation/src/UnicodeConverter.cpp
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@ -1,7 +1,7 @@
//
// UnicodeConverter.cpp
//
// $Id: //poco/svn/Foundation/src/UnicodeConverter.cpp#2 $
// $Id: //poco/1.4/Foundation/src/UnicodeConverter.cpp#1 $
//
// Library: Foundation
// Package: Text
@ -55,7 +55,20 @@ void UnicodeConverter::toUTF16(const std::string& utf8String, std::wstring& utf1
UTF8Encoding utf8Encoding;
TextIterator it(utf8String, utf8Encoding);
TextIterator end(utf8String);
while (it != end) utf16String += (wchar_t) *it++;
while (it != end)
{
int cc = *it++;
if (cc <= 0xffff)
{
utf16String += (wchar_t) cc;
}
else
{
cc -= 0x10000;
utf16String += (wchar_t) ((cc >> 10) & 0x3ff) | 0xd800;
utf16String += (wchar_t) (cc & 0x3ff) | 0xdc00;
}
}
}
@ -72,28 +85,44 @@ void UnicodeConverter::toUTF16(const char* utf8String, int length, std::wstring&
while (it < end)
{
unsigned char c = *it;
int n = utf8Encoding.characterMap()[c];
int uc = '?';
if (n == -1)
int n = utf8Encoding.queryConvert(it, 1);
int uc;
int read = 1;
while (-1 > n && (end - it) >= -n)
{
++it;
read = -n;
n = utf8Encoding.queryConvert(it, read);
}
else if (n >= 0)
if (-1 > n)
{
uc = n;
++it;
it = end;
}
else
{
if (it - n <= end)
{
uc = utf8Encoding.convert(it);
if (uc == -1) uc = '?';
}
it -= n;
it += read;
}
if (-1 >= n)
{
uc = 0xfffd; // Replacement Character (instead of '?')
}
else
{
uc = n;
}
if (uc > 0xffff)
{
uc -= 0x10000;
utf16String += (wchar_t) ((uc >> 10) & 0x3ff) | 0xd800 ;
utf16String += (wchar_t) (uc & 0x3ff) | 0xdc00 ;
}
else
{
utf16String += (wchar_t) uc;
}
utf16String += (wchar_t) uc; // TODO: surrogates
}
}