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#Characters to utf 8 converter code

UTS #6: A Standard Compression Scheme for Unicode (SCSU).Ī: A Unicode transformation format (UTF) is anĪlgorithmic mapping from every Unicode code point (except surrogate code There are compression transformations such as the one described in the Unicode data, including UTF-8, UTF-16 and UTF-32. Q: Can Unicode text be represented in more than one way?Ī: Yes, there are several possible representations of One or two 16-bit code units, or a single 32-bit code unit. Depending on theĮncoding form you choose (UTF-8, UTF-16, or UTF-32), each character will then be represented either as a sequence of one to four 8-bit bytes, The Unicode Standard encodes characters in the range U+0000.U+10FFFF, which amounts to a 21-bit code space. The first version of Unicode was a 16-bit encoding, from 1991 to 1995, but starting with Unicode 2.0 (July, 1996), it has notīeen a 16-bit encoding. General questions, relating to UTF or Encoding FormĪ: No.

Why wouldn’t I always use a protocol that requires a BOM?.

How do I tag data that does not interpret U+FEFF as a BOM?.

I am using a protocol that has BOM at the start of text.

What should I do with U+FEFF in the middle of a file?.

Can a UTF-8 data stream contain the BOM character (in UTF-8 form)? If yes, does it affect the byte order?.

When a BOM is used, is it only in 16-bit Unicode text?.

How do I convert an unpaired UTF-16 surrogate to UTF-32?.

How do I convert a UTF-16 surrogate pair such as to UTF-32? As one or as twoĔ-byte sequences?.

Are there exceptions to the rule of exclusively using string parameters in APIs?.

Doesn’t it cause a problem to have UTF-16 string APIs, instead of UTF-32 char APIs?.

How about using UTF-32 interfaces in my APIs?.

Should I use UTF-32 (or UCS-4) for storing Unicode strings in memory?.

What is the difference between UCS-2 and UTF-16?.

How should I handle supplementary characters in my code?.

Because most supplementary characters are uncommon, does that mean I can ignore them?.

What about noncharacters? Are they invalid?.

Are there any 16-bit values that are invalid?.

Will UTF-16 ever be extended to more than a million characters?.What is the algorithm to convert from UTF-16 to character codes?.How do I convert an unpaired UTF-16 surrogate to UTF-8?.How do I convert a UTF-16 surrogate pair such as to UTF-8? As one 4-byte sequence or as two separate 3-byte sequences?.Is the UTF-8 encoding scheme the same irrespective of whether the underlying system uses ASCII or EBCDIC encoding?.Is the UTF-8 encoding scheme the same irrespective of whether the underlying processor is little endian or big endian?.Which of these formats is the most standard?.Is there a standard method to package a Unicode character so it fits an 8-Bit ASCII stream?.Are there any byte sequences that are not generated by a UTF? How should I interpret them?.Why do some UTFs have a BE or LE in their label, as in UTF-16LE?.

What are some of the differences between the UTFs?.Which of the UTFs do I need to support?.Where can I get more information on encoding forms?.Can Unicode text be represented in more than one way?.General questions, relating to UTF or Encoding Forms