stri_enc_info: Query a Character Encoding
Description
Gets basic information on a character encoding.
Usage
stri_enc_info(enc = NULL)
Arguments
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Details
An error is raised if the provided encoding is unknown to ICU (see stri_enc_list for more details).
Value
Returns a list with the following components:
Name.friendly– friendly encoding name: MIME Name or JAVA Name or ICU Canonical Name (the first of provided ones is selected, see below);Name.ICU– encoding name as identified by ICU;Name.*– other standardized encoding names, e.g.,Name.UTR22,Name.IBM,Name.WINDOWS,Name.JAVA,Name.IANA,Name.MIME(some of them may be unavailable for all the encodings);ASCII.subset– is ASCII a subset of the given encoding?;Unicode.1to1– for 8-bit encodings only: are all characters translated to exactly one Unicode code point and is the translation scheme reversible?;CharSize.8bit– is this an 8-bit encoding, i.e., do we haveCharSize.min == CharSize.maxandCharSize.min == 1?;CharSize.min– minimal number of bytes used to represent a UChar (in UTF-16, this is not the same as UChar32)CharSize.max– maximal number of bytes used to represent a UChar (in UTF-16, this is not the same as UChar32, i.e., does not reflect the maximal code point representation size)
See Also
The official online manual of stringi at https://stringi.gagolewski.com/
Gagolewski M., stringi: Fast and portable character string processing in R, Journal of Statistical Software 103(2), 2022, 1-59, doi:10.18637/jss.v103.i02
Other encoding_management: about_encoding, stri_enc_list(), stri_enc_mark(), stri_enc_set()