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users/15078: completion for zsh-mime-handler

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This commit is contained in:
Peter Stephenson 2010-05-23 19:54:03 +00:00
parent b7d9912f8b
commit 35d3418aeb
5 changed files with 86 additions and 9 deletions
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65
Functions/MIME/zsh-mime-handler
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@ -34,6 +34,28 @@ setopt extendedglob cbases nullglob $autocd
# We need zformat from zsh/zutil for %s replacement.
zmodload -i zsh/zutil
# Look for options. Because of the way this is usually invoked,
# (there is always a command to be handled), only handle options
# up to second last argument.
local opt
integer list
while (( $# - $OPTIND > 0 )); do
if getopts "l" opt; then
case $opt in
(l)
list=1
;;
(*)
return 1
;;
esac
else
break
fi
done
shift $(( OPTIND - 1 ))
# Always called with a filename argument first.
# There might be other arguments; don't really know what to do
# with these, but if they came from e.g. `*.ps' then we might
@ -47,7 +69,8 @@ local -a match mbegin mend
suffix=${(L)match[1]}
context=":mime:.${suffix}:"
local handler flags no_sh no_bg
local handler flags no_sh no_bg arg
integer i
local -a exec_asis hand_nonex
# Set to a list of patterns which are ignored and executed as they are,
@ -94,7 +117,20 @@ fi
for pattern in $exec_asis; do
files=(${dirpref}${~pattern})
if [[ -n ${files[(r)$1]} ]]; then
"$@"
if (( list )); then
for (( i = 1; i <= $#; i++ )); do
(( i == 1 )) || print -n " "
arg=${argv[i]}
if [[ -n $arg ]]; then
print -rn -- ${(q)arg}
else
print "''"
fi
done
print
else
"$@"
fi
return
fi
done
@ -152,12 +188,13 @@ if [[ $handler = *%s* ]]; then
# Probably we ought not even to handle multiple
# arguments, but at least the error message ought
# to make it obvious what's going on.
zformat -f command $handler s:"$argv"
zformat -f command $handler s:"$argv[0]"
else
files=(${(q)argv})
zformat -f command $handler s:"$files"
zformat -f command $handler s:"${(q)argv[0]}"
fi
if [[ $no_sh = yes ]]; then
if (( list )); then
execargs=(${(Q)${(z)command}} ${argv[1,-1]})
elif [[ $no_sh = yes ]]; then
execargs=(eval $command)
else
execargs=(sh -c $command)
@ -174,13 +211,27 @@ if [[ $handler = *%s* ]]; then
else
# If there's no %s, the input is supposed to come from stdin.
stdin=1
if [[ -n $hasmeta && $no_sh != yes ]]; then
if [[ -n $hasmeta && $no_sh != yes && list -eq 0 ]]; then
execargs=(sh -c "$handler")
else
execargs=(${=handler})
fi
fi
if (( list )); then
for (( i = 1; i <= ${#execargs}; i++ )); do
(( i == 1 )) || print -n " "
arg=${execargs[i]}
if [[ -n $arg ]]; then
print -rn -- ${(q)arg}
else
print -n "''"
fi
done
print
return 0
fi
# Now execute the command in the appropriate fashion.
if [[ $flags = *copiousoutput* ]]; then
# We need to page the output.