detect-japanese-encoding-in-file

detect-japanese-encoding-in-file Function

Summary

Determines which type of Japanese encoding is used in a buffer.

Package

system

Signature

detect-japanese-encoding-in-file pathname ef-spec buffer length => new-ef-spec

Arguments

`pathname`⇩	Pathname identifying location of `buffer`.
`ef-spec`⇩	An external format spec.
`buffer`⇩	A buffer whose contents are examined.
`length`⇩	Length (an integer) up to which `buffer` should be examined.

Values

new-ef-spec

A new external format spec created by merging ef-spec with the Japanese encoding that was found.

Description

The function detect-japanese-encoding-in-file assumes the encoding is one of :jis, :sjis, :euc, :unicode and :ascii, and tries to determine which of these it is, by looking for distinctive byte sequences in buffer up to length. If found, merge ef-spec with that encoding.

pathname is ignored.