89 lines
2.1 KiB
Ruby
89 lines
2.1 KiB
Ruby
module ActionView #:nodoc:
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# TemplateFile abstracts the pattern of querying a file path for its
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# path with or without its extension. The path is only the partial path
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# from the load path root e.g. "hello/index.html.erb" not
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# "app/views/hello/index.html.erb"
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class TemplateFile
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def self.from_path(path)
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path.is_a?(self) ? path : new(path)
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end
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def self.from_full_path(load_path, full_path)
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file = new(full_path.split(load_path).last)
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file.load_path = load_path
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file.freeze
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end
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attr_accessor :load_path, :base_path, :name, :format, :extension
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delegate :to_s, :inspect, :to => :path
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def initialize(path)
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path = path.dup
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# Clear the forward slash in the beginning
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trim_forward_slash!(path)
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@base_path, @name, @format, @extension = split(path)
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end
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def freeze
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@load_path.freeze
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@base_path.freeze
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@name.freeze
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@format.freeze
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@extension.freeze
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super
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end
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def format_and_extension
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extensions = [format, extension].compact.join(".")
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extensions.blank? ? nil : extensions
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end
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def full_path
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if load_path
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"#{load_path}/#{path}"
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else
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path
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end
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end
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def path
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base_path.to_s + [name, format, extension].compact.join(".")
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end
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def path_without_extension
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base_path.to_s + [name, format].compact.join(".")
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end
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def path_without_format_and_extension
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"#{base_path}#{name}"
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end
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def dup_with_extension(extension)
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file = dup
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file.extension = extension ? extension.to_s : nil
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file
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end
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private
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def trim_forward_slash!(path)
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path.sub!(/^\//, '')
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end
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# Returns file split into an array
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# [base_path, name, format, extension]
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def split(file)
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if m = file.match(/^(.*\/)?(\w+)\.?(\w+)?\.?(\w+)?\.?(\w+)?$/)
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if m[5] # Mulipart formats
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[m[1], m[2], "#{m[3]}.#{m[4]}", m[5]]
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elsif m[4] # Single format
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[m[1], m[2], m[3], m[4]]
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else # No format
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[m[1], m[2], nil, m[3]]
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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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