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Add support for non-UTF-8 encodings in caller's locale.

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This commit is contained in:
Andrew Janke 2015-02-17 00:49:53 -05:00
parent 3a18c33f17
commit 702ff1ca91
1 changed files with 48 additions and 25 deletions
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73
lib/termsupport.zsh
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@ -55,35 +55,58 @@ preexec_functions+=(omz_termsupport_preexec)
# Keep Apple Terminal.app's current working directory updated
# Based on this answer: http://superuser.com/a/315029
# With extra fixes to handle multibyte chars and non-UTF-8 locales
if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]] && [[ -z "$INSIDE_EMACS" ]]; then
# URL-encodes a string
# Outputs the encoded string on stdout
# Returns nonzero if encoding failed
function _omz_urlencode() {
local url_str=''
{
local str=$1
# URLs must use UTF-8 encoding; convert if required
local encoding=${LC_CTYPE/*./}
if [[ $encoding != UTF-8 ]]; then
str=$(iconv -f $encoding -t UTF-8)
if [[ $? != 0 ]]; then
echo "Error converting string from $encoding to UTF-8" >&2
return 1
fi
fi
# Use LC_CTYPE=C to process text byte-by-byte
local i ch hexch LC_CTYPE=C
for ((i = 1; i <= ${#str}; ++i)); do
ch="$str[i]"
if [[ "$ch" =~ [/._~A-Za-z0-9-] ]]; then
url_str+="$ch"
else
hexch=$(printf "%02X" "'$ch")
url_str+="%$hexch"
fi
done
echo $url_str
}
}
# Emits the control sequence to notify Terminal.app of the cwd
function update_terminalapp_cwd() {
# Identify the directory using a "file:" scheme URL, including
# the host name to disambiguate local vs. remote paths.
# Identify the directory using a "file:" scheme URL, including
# the host name to disambiguate local vs. remote paths.
# Percent-encode the pathname.
local URL_PATH=''
{
# Use LC_CTYPE=C to process text byte-by-byte.
local i ch hexch LC_CTYPE=C
for ((i = 1; i <= ${#PWD}; ++i)); do
ch="$PWD[i]"
if [[ "$ch" =~ [/._~A-Za-z0-9-] ]]; then
URL_PATH+="$ch"
else
hexch=$(printf "%02X" "'$ch")
URL_PATH+="%$hexch"
fi
done
}
# Percent-encode the pathname.
local URL_PATH=$(_omz_urlencode $PWD)
[[ $? != 0 ]] && return 1
local PWD_URL="file://$HOST$URL_PATH"
# Undocumented Terminal.app-specific control sequence
printf '\e]7;%s\a' $PWD_URL
}
local PWD_URL="file://$HOST$URL_PATH"
printf '\e]7;%s\a' "$PWD_URL"
}
# Use a precmd hook instead of a chpwd hook to avoid contaminating output
precmd_functions+=(update_terminalapp_cwd)
# Run once to get initial cwd set
update_terminalapp_cwd
# Use a precmd hook instead of a chpwd hook to avoid contaminating output
precmd_functions+=(update_terminalapp_cwd)
# Run once to get initial cwd set
update_terminalapp_cwd
fi