stri_enc_info {stringi} | R Documentation |
Gets basic information on a character encoding.
stri_enc_info(enc = NULL)
enc |
|
An error is raised if the provided encoding is unknown to ICU
(see stri_enc_list
for more details)
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 have
CharSize.min == CharSize.max
and CharSize.min == 1
?;
CharSize.min
– minimal number of bytes used
to represent an UChar (in UTF-16, this is not the same as UChar32)
CharSize.max
– maximal number of bytes used
to represent an UChar (in UTF-16, this is not the same as UChar32,
i.e. does not reflect the maximal code point representation size)
Other encoding_management: stri_enc_list
,
stri_enc_mark
, stri_enc_set
,
stringi-encoding