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|
# ri completion for Ruby documentation -*- shell-script -*-
# by Ian Macdonald <ian@caliban.org>
_ri_get_methods()
{
local regex
if [[ $ri_version == integrated ]]; then
if [[ -z $separator ]]; then
regex="(Instance|Class)"
elif [[ $separator == "#" ]]; then
regex=Instance
else
regex=Class
fi
COMPREPLY+=( \
"$( ri ${classes[@]} 2>/dev/null | ruby -ane \
'if /^'"$regex"' methods:/.../^------------------|^$/ and \
/^ / then print $_.split(/, |,$/).grep(/^[^\[]*$/).join("\n"); \
end' 2>/dev/null | sort -u )" )
else
# older versions of ri didn't distinguish between class/module and
# instance methods
COMPREPLY+=( \
"$( ruby -W0 $ri_path ${classes[@]} | ruby -ane \
'if /^-/.../^-/ and ! /^-/ and ! /^ +(class|module): / then \
print $_.split(/, |,$| +/).grep(/^[^\[]*$/).join("\n"); \
end' | sort -u )" )
fi
COMPREPLY=( $( compgen $prefix -W '${COMPREPLY[@]}' -- $method ) )
}
# needs at least Ruby 1.8.0 in order to use -W0
_ri()
{
local cur prev words cword split
_init_completion -s -n : || return
case $prev in
-h|--help|-w|--width)
return
;;
-f|--format)
COMPREPLY=( $( compgen -W 'ansi bs html rdoc' -- "$cur" ) )
return
;;
-d|--doc-dir)
_filedir -d
return
;;
--dump)
_filedir ri
return
;;
esac
$split && return
if [[ "$cur" == -* ]]; then
COMPREPLY=( $( compgen -W '$( _parse_help "$1" )' -- "$cur" ) )
[[ $COMPREPLY == *= ]] && compopt -o nospace
return
fi
local class method prefix ri_path ri_version ri_major separator IFS
local -a classes
ri_path=$(type -p ri)
# which version of ri are we using?
# -W0 is required here to stop warnings from older versions of ri
# from being captured when used with Ruby 1.8.1 and later
ri_version="$(ruby -W0 $ri_path -v 2>&1)" || ri_version=integrated
[[ $ri_version != ${ri_version%200*} ]] && ri_version=integrated
[[ $ri_version =~ ri[[:space:]]v?([0-9]+) ]] && ri_major=${BASH_REMATCH[1]}
# need to also split on commas
IFS=$', \n\t'
if [[ "$cur" == [A-Z]*[#.]* ]]; then
[[ "$cur" == *#* ]] && separator=# || separator=.
# we're completing on class and method
class=${cur%$separator*}
method=${cur#*$separator}
classes=( $class )
prefix="-P $class$separator"
_ri_get_methods
return
fi
if [[ $ri_version == integrated ]]; then
# integrated ri from Ruby 1.9
classes=( $( ri -c 2>/dev/null | ruby -ne 'if /^\s*$/..$stdin.eof then \
if /^ +[A-Z]/ then print; end; end' 2>/dev/null ) )
elif [[ $ri_major && $ri_major -ge 3 ]]; then
classes=( $( ri -l 2>/dev/null ) )
elif [[ $ri_version == "ri 1.8a" ]]; then
classes=( $( ruby -W0 $ri_path | \
ruby -ne 'if /^'"'"'ri'"'"' has/..$stdin.eof then \
if /^ .*[A-Z]/ then print; end; end' ))
else
classes=( $( ruby -W0 $ri_path | \
ruby -ne 'if /^I have/..$stdin.eof then \
if /^ .*[A-Z]/ then print; end; end' ))
fi
COMPREPLY=( $( compgen -W '${classes[@]}' -- "$cur" ) )
__ltrim_colon_completions "$cur"
if [[ "$cur" == [A-Z]* ]]; then
# we're completing on class or module alone
return
fi
# we're completing on methods
method=$cur
_ri_get_methods
} &&
complete -F _ri ri
# ex: filetype=sh
|
