Created
February 6, 2010 13:47
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ike:~>>% ruby -e 'puts $".grep(/rubygems/)' | |
/Users/js/.rvm/rubies/ruby-1.9.1-p378/lib/ruby/1.9.1/rubygems.rb |
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module ActionDispatch | |
module Routing | |
class Mapper | |
... | |
module Resources | |
... | |
private | |
... | |
def save_scope | |
{ | |
:path => @scope[:path], | |
:name_prefix => @scope[:name_prefix] | |
} | |
end | |
def restore_scope(hsh) | |
@scope[:path] = hsh[:path] | |
@scope[:name_prefix] = hsh[:name_prefix] | |
end | |
def with_shallow_scope(curr_scope) | |
if !block_given? | |
raise 'with_shallow_scope expects a block' | |
end | |
_saved_scope = save_scope | |
shallow_scope(curr_scope) | |
yield | |
restore_scope(_saved_scope) | |
end | |
def shallow_scope(ref_scope) | |
return if ref_scope.nil? | |
return unless @scope.has_key? :shallow | |
root_scope = @scope[:shallow] | |
return if root_scope[:path] == ref_scope[:path] | |
pathstart = namestart = 0 | |
unless @scope[:path].start_with? ref_scope[:path] | |
raise 'shallow_scope path mismatch' | |
end | |
pathstop, namestop = ref_scope[:path].length-1, ref_scope[:name_prefix].length-1 | |
if @scope[:path].start_with? root_scope[:path] | |
pathstart, namestart = root_scope[:path].length, root_scope[:name_prefix].length | |
end | |
@scope[:path] = @scope[:path].dup | |
@scope[:path][pathstart..pathstop] = '' | |
@scope[:name_prefix] = @scope[:name_prefix].dup | |
@scope[:name_prefix][namestart..namestop] = '' | |
end | |
end | |
... | |
end | |
end | |
end |
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