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This commit is contained in:
Guenter Obiltschnig
2007-02-23 14:27:57 +00:00
parent 973e256680
commit 7639f5a3f0
742 changed files with 865 additions and 795 deletions
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72
Foundation/src/UTF8Encoding.cpp
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@@ -1,7 +1,7 @@
//
// UTF8Encoding.cpp
//
// $Id: //poco/1.3/Foundation/src/UTF8Encoding.cpp#1 $
// $Id: //poco/Main/Foundation/src/UTF8Encoding.cpp#12 $
//
// Library: Foundation
// Package: Text
@@ -108,49 +108,65 @@ int UTF8Encoding::convert(const unsigned char* bytes) const
int UTF8Encoding::convert(int ch, unsigned char* bytes, int length) const
{
if (ch <= 0x7F && length >= 1)
if (ch <= 0x7F)
{
*bytes = (unsigned char) ch;
if (bytes && length >= 1)
*bytes = (unsigned char) ch;
return 1;
}
else if (ch <= 0x7FF && length >= 2)
else if (ch <= 0x7FF)
{
*bytes++ = (unsigned char) ((ch >> 6) & 0x1F | 0xC0);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
if (bytes && length >= 2)
{
*bytes++ = (unsigned char) ((ch >> 6) & 0x1F | 0xC0);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
}
return 2;
}
else if (ch <= 0xFFFF && length >= 3)
else if (ch <= 0xFFFF)
{
*bytes++ = (unsigned char) ((ch >> 12) & 0x0F | 0xE0);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
if (bytes && length >= 3)
{
*bytes++ = (unsigned char) ((ch >> 12) & 0x0F | 0xE0);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
}
return 3;
}
else if (ch <= 0x1FFFFF && length >= 4)
else if (ch <= 0x1FFFFF)
{
*bytes++ = (unsigned char) ((ch >> 18) & 0x07 | 0xF0);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
if (bytes && length >= 4)
{
*bytes++ = (unsigned char) ((ch >> 18) & 0x07 | 0xF0);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
}
return 4;
}
else if (ch <= 0x3FFFFFF && length >= 5)
else if (ch <= 0x3FFFFFF)
{
*bytes++ = (unsigned char) ((ch >> 24) & 0x03 | 0xF8);
*bytes++ = (unsigned char) ((ch >> 18) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
if (bytes && length >= 5)
{
*bytes++ = (unsigned char) ((ch >> 24) & 0x03 | 0xF8);
*bytes++ = (unsigned char) ((ch >> 18) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
}
return 5;
}
else if (ch <= 0x7FFFFFFF && length >= 6)
else if (ch <= 0x7FFFFFFF)
{
*bytes++ = (unsigned char) ((ch >> 30) & 0x01 | 0xFC);
*bytes++ = (unsigned char) ((ch >> 24) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 18) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
if (bytes && length >= 6)
{
*bytes++ = (unsigned char) ((ch >> 30) & 0x01 | 0xFC);
*bytes++ = (unsigned char) ((ch >> 24) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 18) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 12) & 0x3F | 0x80);
*bytes++ = (unsigned char) ((ch >> 6) & 0x3F | 0x80);
*bytes = (unsigned char) ((ch & 0x3F) | 0x80);
}
return 6;
}
else return 0;