99 lines
2.3 KiB
Ruby
99 lines
2.3 KiB
Ruby
module ActionView #:nodoc:
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# = Action View PathSet
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#
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# This class is used to store and access paths in Action View. A number of
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# operations are defined so that you can search among the paths in this
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# set and also perform operations on other +PathSet+ objects.
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#
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# A +LookupContext+ will use a +PathSet+ to store the paths in its context.
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class PathSet #:nodoc:
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include Enumerable
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attr_reader :paths
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delegate :[], :include?, :pop, :size, :each, to: :paths
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def initialize(paths = [])
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@paths = typecast paths
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end
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def initialize_copy(other)
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@paths = other.paths.dup
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self
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end
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def to_ary
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paths.dup
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end
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def compact
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PathSet.new paths.compact
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end
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def +(array)
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PathSet.new(paths + array)
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end
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%w(<< concat push insert unshift).each do |method|
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class_eval <<-METHOD, __FILE__, __LINE__ + 1
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def #{method}(*args)
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paths.#{method}(*typecast(args))
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end
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METHOD
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end
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def find(*args)
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find_all(*args).first || raise(MissingTemplate.new(self, *args))
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end
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def find_file(path, prefixes = [], *args)
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_find_all(path, prefixes, args, true).first || raise(MissingTemplate.new(self, path, prefixes, *args))
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end
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def find_all(path, prefixes = [], *args)
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_find_all path, prefixes, args, false
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end
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def exists?(path, prefixes, *args)
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find_all(path, prefixes, *args).any?
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end
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def find_all_with_query(query) # :nodoc:
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paths.each do |resolver|
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templates = resolver.find_all_with_query(query)
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return templates unless templates.empty?
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end
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[]
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end
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private
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def _find_all(path, prefixes, args, outside_app)
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prefixes = [prefixes] if String === prefixes
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prefixes.each do |prefix|
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paths.each do |resolver|
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if outside_app
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templates = resolver.find_all_anywhere(path, prefix, *args)
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else
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templates = resolver.find_all(path, prefix, *args)
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end
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return templates unless templates.empty?
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end
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end
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[]
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end
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def typecast(paths)
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paths.map do |path|
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case path
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when Pathname, String
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OptimizedFileSystemResolver.new path.to_s
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else
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path
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end
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end
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end
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end
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end
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