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mirror of git://git.code.sf.net/p/zsh/code synced 2024-11-19 21:44:11 +01:00
zsh/Completion/Base/_values
1999-09-06 09:16:29 +00:00

368 lines
8.5 KiB
Plaintext

#autoload
setopt localoptions extendedglob
local name arg def descr xor str tmp ret=1 expl nm="$compstate[nmatches]"
local snames odescr gdescr sep
typeset -A names onames xors _values
# Probably fill our cache.
if [[ "$*" != "$_vals_cache_args" ]]; then
_vals_cache_args="$*"
unset _vals_cache_{sep,descr,names,onames,snames,xors,odescr}
typeset -gA _vals_cache_{names,onames,xors}
_vals_cache_snames=()
_vals_cache_odescr=()
# Get the separator, if any.
if [[ "$1" = -s ]]; then
_vals_cache_sep="$2"
shift 2
fi
# This is the description string for the values.
_vals_cache_descr="$1"
shift
# Now parse the descriptions.
while (( $# )); do
# Get the `name', anything before an unquoted colon.
if [[ "$1" = *[^\\]:* ]]; then
name="${${${(M)1#*[^\\]:}[1,-2]}//\\\\:/:}"
else
name="$1"
fi
descr=''
xor=''
# Get a description, if any.
if [[ "$name" = *\[*\] ]]; then
descr="${${name#*\[}[1,-2]}"
name="${name%%\[*}"
fi
# Get the names of other values that are mutually exclusive with
# this one.
if [[ "$name" = \(*\)* ]]; then
xor="${${name[2,-1]}%%\)*}"
name="${name#*\)}"
fi
# Finally see if this value may appear more than once.
if [[ "$name" = \** ]]; then
name="$name[2,-1]"
else
xor="$xor $name"
fi
# Store the information in the cache.
_vals_cache_odescr=( "$_vals_cache_odescr[@]" "${name}:$descr" )
[[ -n "$xor" ]] && _vals_cache_xors[$name]="${${xor##[ ]#}%%[ ]#}"
# Get the description and store that.
if [[ "$1" = *[^\\]:* ]]; then
descr=":${1#*[^\\]:}"
else
descr=''
fi
if [[ "$descr" = ::* ]]; then
# Optional argument.
_vals_cache_onames[$name]="$descr[3,-1]"
elif [[ "$descr" = :* ]]; then
# Mandatory argument.
_vals_cache_names[$name]="$descr[2,-1]"
else
# No argument.
_vals_cache_snames=( "$_vals_cache_snames[@]" "$name" )
fi
shift
done
fi
snames=( "$_vals_cache_snames[@]" )
names=( "${(@kv)_vals_cache_names}" )
onames=( "${(@kv)_vals_cache_onames}" )
xors=( "${(@kv)_vals_cache_xors}" )
odescr=( "$_vals_cache_odescr[@]" )
gdescr="$_vals_cache_descr"
sep="$_vals_cache_sep"
if [[ -n "$sep" ]]; then
# We have a separator character. We parse the PREFIX and SUFFIX to
# see if any of the values that must not appear more than once are
# already on the line.
while [[ "$PREFIX" = *${sep}* ]]; do
# Get one part, remove it from PREFIX and put it into IPREFIX.
tmp="${PREFIX%%${sep}*}"
PREFIX="${PREFIX#*${sep}}"
IPREFIX="${IPREFIX}${tmp}${sep}"
# Get the value `name'.
name="${tmp%%\=*}"
if [[ "$tmp" = *\=* ]]; then
_values[$name]="${tmp#*\=}"
else
_values[$name]=''
fi
# And remove the descriptions for the values this one makes
# superfluous.
if [[ -n "$xors[$name]" ]]; then
snames=( "${(@)snames:#(${(j:|:)~${=xors[$name]}})}" )
odescr=( "${(@)odescr:#(${(j:|:)~${=xors[$name]}}):*}" )
unset {names,onames,xors}\[${^=tmp}\]
fi
done
if [[ "$SUFFIX" = *${sep}* ]]; then
# The same for the suffix.
str="${SUFFIX%%${sep}*}"
SUFFIX="${SUFFIX#*${sep}}"
while [[ -n "$SUFFIX" ]]; do
tmp="${PREFIX%%${sep}*}"
if [[ "$SUFFIX" = *${sep}* ]]; then
SUFFIX="${SUFFIX#*${sep}}"
else
SUFFIX=''
fi
PREFIX="${PREFIX#*${sep}}"
IPREFIX="${IPREFIX}${tmp}${sep}"
name="${tmp%%\=*}"
if [[ "$tmp" = *\=* ]]; then
_values[$name]="${tmp#*\=}"
else
_values[$name]=''
fi
if [[ -n "$xors[$name]" ]]; then
snames=( "${(@)snames:#(${(j:|:)~${=xors[$name]}})}" )
odescr=( "${(@)odescr:#(${(j:|:)~${=xors[$name]}}):*}" )
unset {names,onames,xors}\[${^=tmp}\]
fi
done
SUFFIX="$str"
fi
fi
descr=''
str="$PREFIX$SUFFIX"
if [[ "$str" = *\=* ]]; then
# The string from the line contains a `=', so we get the stuff before
# it and after it and see what we can do here...
name="${str%%\=*}"
arg="${str#*\=}"
if (( $snames[(I)${name}] )); then
# According to our information, the value doesn't get an argument,
# so give up.
_message "\`${name}' gets no value"
return 1
elif (( $+names[$name] )); then
# It has to get an argument, we skip over the name and complete
# the argument (below).
def="$names[$name]"
if ! compset -P '*\='; then
IPREFIX="${IPREFIX}${name}="
PREFIX="$arg"
SUFFIX=''
fi
elif (( $+onames[$name] )); then
# Gets an optional argument, same as previous case.
def="$onames[$name]"
if ! compset -P '*\='; then
IPREFIX="${IPREFIX}${name}="
PREFIX="$arg"
SUFFIX=''
fi
else
local pre="$PREFIX" suf="$SUFFIX"
# The part before the `=' isn't a known value name, so we see if
# it matches only one of the known names.
if [[ "$PREFIX" = *\=* ]]; then
PREFIX="${PREFIX%%\=*}"
pre="${pre#*\=}"
SUFFIX=''
else
SUFFIX="${SUFFIX%%\=*}"
pre="${suf#*\=}"
suf=''
fi
tmp=( "${(@k)names}" "${(@k)onames}" )
compadd -M 'r:|[-_]=* r:|=*' -D tmp - "$tmp[@]"
if [[ $#tmp -eq 1 ]]; then
# It does, so we use that name and immediatly start completing
# the argument for it.
IPREFIX="${IPREFIX}${tmp[1]}="
PREFIX="$pre"
SUFFIX="$suf"
def="$names[$tmp[1]]"
[[ -z "$def" ]] && def="$onames[$tmp[1]]"
elif (( $#tmp )); then
_message "ambiguous option \`${PREFIX}${SUFFIX}'"
return 1
else
_message "unknown option \`${PREFIX}${SUFFIX}'"
return 1
fi
fi
else
# No `=', just complete value names.
_description expl "$gdescr"
[[ -n "$sep" && ${#snames}+${#names}+${#onames} -ne 1 ]] &&
expl=( "-qS$sep" "$expl[@]" )
tmp=''
if [[ -n "$compconfig[describe_values]" &&
"$compconfig[describe_values]" != *\!${words[1]}* ]]; then
if _display tmp odescr -M 'r:|[_-]=* r:|=*'; then
if (( $#snames )); then
compadd "$expl[@]" -y tmp -M 'r:|[_-]=* r:|=*' - \
"$snames[@]" && ret=0
compadd -n -S= -J "_$gdescr" -M 'r:|[_-]=* r:|=*' - \
"${(@k)names}" && ret=0
compadd -n -qS= -J "_$gdescr" -M 'r:|[_-]=* r:|=*' - \
"${(@k)onames}" && ret=0
elif (( $#names )); then
compadd -n -S= "$expl[@]" -y tmp -M 'r:|[_-]=* r:|=*' - \
"${(@k)names}" && ret=0
compadd -n -qS= -J "_$gdescr" -M 'r:|[_-]=* r:|=*' - \
"${(@k)onames}" && ret=0
else
compadd -n -qS= "$expl[@]" -y tmp -M 'r:|[_-]=* r:|=*' - \
"${(@k)onames}" && ret=0
fi
fi
fi
if [[ -z "$tmp" ]]; then
compadd "$expl[@]" -M 'r:|[_-]=* r:|=*' - "$snames[@]" && ret=0
compadd -S= "$expl[@]" -M 'r:|[_-]=* r:|=*' - "${(@k)names}" && ret=0
compadd -qS= "$expl[@]" -M 'r:|[_-]=* r:|=*' - "${(@k)onames}" && ret=0
fi
return ret
fi
if [[ -z "$def" ]]; then
_message 'no value'
return 1
else
local action
descr="${${${(M)def#*[^\\]:}[1,-2]}//\\\\:/:}"
action="${${def#*[^\\]:}//\\\\:/:}"
_description expl "$descr"
# We add the separator character as a autoremovable suffix unless
# we have only one possible value left.
[[ -n "$sep" && ${#snames}+${#names}+${#onames} -ne 1 ]] &&
expl=( "-qS$sep" "$expl[@]" )
if [[ "$action" = -\>* ]]; then
values=( "${(@kv)_values}" )
state="${${action[3,-1]##[ ]#}%%[ ]#}"
compstate[restore]=''
return 1
else
typeset -A values
values=( "${(@kv)_values}" )
if [[ "$action" = \ # ]]; then
# An empty action means that we should just display a message.
_message "$descr"
return 1
elif [[ "$action" = \(\(*\)\) ]]; then
local ws
# ((...)) contains literal strings with descriptions.
eval ws\=\( "${action[3,-3]}" \)
if _display tmp ws; then
compadd "$expl[@]" -y tmp - "${(@)ws%%:*}"
else
_message "$descr"
return 1
fi
elif [[ "$action" = \(*\) ]]; then
# Anything inside `(...)' is added directly.
compadd "$expl[@]" - ${=action[2,-2]}
elif [[ "$action" = \{*\} ]]; then
# A string in braces is evaluated.
eval "$action[2,-2]"
elif [[ "$action" = \ * ]]; then
# If the action starts with a space, we just call it.
${(e)=~action}
else
# Otherwise we call it with the description-arguments built above.
action=( $=action )
${(e)action[1]} "$expl[@]" ${(e)~action[2,-1]}
fi
fi
fi
[[ nm -ne "$compstate[nmatches]" ]]