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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
-