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# -*- mode: shell-script; sh-basic-offset: 8; indent-tabs-mode: t -*-
# ex: ts=8 sw=8 noet filetype=sh
#
# ri completion for Ruby documentation 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=( ${COMPREPLY[@]} \
"$( ri ${classes[@]} 2>/dev/null | \
ruby -ane 'if /^'"$regex"' methods:/.../^------------------|^$/ and \
/^ / then print $_.split(/, |,$/).grep(/^[^\[]*$/).join("\n"); \
end' | sort -u )" )
else
# older versions of ri didn't distinguish between class/module and
# instance methods
COMPREPLY=( ${COMPREPLY[@]} \
"$( 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[@]}' -- $method ) )
}
# needs at least Ruby 1.8.0 in order to use -W0
_ri()
{
local cur class method prefix ri_path ri_version separator IFS
local -a classes
COMPREPLY=()
cur=`_get_cword`
ri_path=$(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" != "${ri_version%200*}" ] && ri_version=integrated
# need to also split on commas
IFS=$', \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 0
fi
if [ "$ri_version" = integrated ]; then
# integrated ri from Ruby 1.9
classes=( $( ri -c | ruby -ne 'if /^\s*$/..$stdin.eof then \
if /, [A-Z]+/ then print; end; end' ) )
elif [ "$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[@]}' -- $cur ) )
if [[ "$cur" == [A-Z]* ]]; then
# we're completing on class or module alone
return 0
fi
# we're completing on methods
method=$cur
ri_get_methods
}
complete -F _ri ri
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