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Add an "origin" parameter to provides_metadata to allow for replacing metadata callbacks rather than always appending

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This commit is contained in:
Ben Hollis 2012-04-23 01:16:03 -07:00
parent a4fcb4d939
commit ab77cb2f34
1 changed files with 15 additions and 3 deletions
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16
middleman-core/lib/middleman-core/sitemap/store.rb
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@ -113,10 +113,22 @@ module Middleman::Sitemap
# Register a handler to provide metadata on a url path
# @param [Regexp] matcher
# @param [Symbol] origin an indicator of where this metadata came from - only one
# block per [matcher, origin] pair may exist.
# @return [Array<Array<Proc, Regexp>>]
def provides_metadata_for_path(matcher=nil, &block)
def provides_metadata_for_path(matcher=nil, origin=nil, &block)
@_provides_metadata_for_path ||= []
@_provides_metadata_for_path << [block, matcher] if block_given?
if block_given?
if origin
existing_provider = @_provides_metadata_for_path.find {|b,m,o| o == origin && m == matcher}
end
if existing_provider
existing_provider[0] = block
else
@_provides_metadata_for_path << [block, matcher, origin]
end
end
@_provides_metadata_for_path
end