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function zsh_urlencode() {
emulate -L zsh
local -a opts
zparseopts -D -E -a opts r m P
local in_str="$@"
local url_str=""
local spaces_as_plus
if [[ -z $opts[(r)-P] ]]; then spaces_as_plus=1; fi
local str="$in_str"
# URLs must use UTF-8 encoding; convert str to UTF-8 if required
local encoding=$langinfo[CODESET]
# Use LC_CTYPE=C to process text byte-by-byte
local i byte ord LC_ALL=C
export LC_ALL
local reserved=';/?:@&=+$,'
local mark='_.!~*''()-'
local dont_escape="[A-Za-z0-9"
if [[ -z $opts[(r)-r] ]]; then
dont_escape+=$reserved
fi
# $mark must be last because of the "-"
if [[ -z $opts[(r)-m] ]]; then
dont_escape+=$mark
fi
dont_escape+="]"
# Implemented to use a single printf call and avoid subshells in the loop,
# for performance
local url_str=""
for (( i = 1; i <= ${#str}; ++i )); do
byte="$str[i]"
if [[ "$byte" =~ "$dont_escape" ]]; then
url_str+="$byte"
else
if [[ "$byte" == " " && -n $spaces_as_plus ]]; then
url_str+="+"
else
ord=$(( [##16] #byte ))
url_str+="%$ord"
fi
fi
done
echo -E "$url_str"
}
# Runs before showing the prompt
function mzc_termsupport_precmd {
[[ "${DISABLE_AUTO_TITLE:-}" == true ]] && return
title $ZSH_THEME_TERM_TAB_TITLE_IDLE $ZSH_THEME_TERM_TITLE_IDLE
}
# Runs before executing the command
function mzc_termsupport_preexec {
[[ "${DISABLE_AUTO_TITLE:-}" == true ]] && return
emulate -L zsh
# split command into array of arguments
local -a cmdargs
cmdargs=("${(z)2}")
# if running fg, extract the command from the job description
if [[ "${cmdargs[1]}" = fg ]]; then
# get the job id from the first argument passed to the fg command
local job_id jobspec="${cmdargs[2]#%}"
# logic based on jobs arguments:
# http://zsh.sourceforge.net/Doc/Release/Jobs-_0026-Signals.html#Jobs
# https://www.zsh.org/mla/users/2007/msg00704.html
case "$jobspec" in
<->) # %number argument:
# use the same <number> passed as an argument
job_id=${jobspec} ;;
""|%|+) # empty, %% or %+ argument:
# use the current job, which appears with a + in $jobstates:
# suspended:+:5071=suspended (tty output)
job_id=${(k)jobstates[(r)*:+:*]} ;;
-) # %- argument:
# use the previous job, which appears with a - in $jobstates:
# suspended:-:6493=suspended (signal)
job_id=${(k)jobstates[(r)*:-:*]} ;;
[?]*) # %?string argument:
# use $jobtexts to match for a job whose command *contains* <string>
job_id=${(k)jobtexts[(r)*${(Q)jobspec}*]} ;;
*) # %string argument:
# use $jobtexts to match for a job whose command *starts with* <string>
job_id=${(k)jobtexts[(r)${(Q)jobspec}*]} ;;
esac
# override preexec function arguments with job command
if [[ -n "${jobtexts[$job_id]}" ]]; then
1="${jobtexts[$job_id]}"
2="${jobtexts[$job_id]}"
fi
fi
# cmd name only, or if this is sudo or ssh, the next cmd
local CMD=${1[(wr)^(*=*|sudo|ssh|mosh|rake|-*)]:gs/%/%%}
local LINE="${2:gs/%/%%}"
title '$CMD' '%100>...>$LINE%<<'
}
# Emits the control sequence to notify many terminal emulators
# of the cwd
#
# Identifies the directory using a file: URI scheme, including
# the host name to disambiguate local vs. remote paths.
function mzc_termsupport_cwd {
# Percent-encode the host and path names.
local URL_HOST URL_PATH
URL_HOST="$(zsh_urlencode -P $HOST)" || return 1
URL_PATH="$(zsh_urlencode -P $PWD)" || return 1
# common control sequence (OSC 7) to set current host and path
printf "\e]7;%s\a" "file://${URL_HOST}${URL_PATH}"
}
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