Dawa Ometto
74 lines
1.8 KiB
Ruby
74 lines
1.8 KiB
Ruby
# ~*~ encoding: utf-8 ~*~
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require 'gemojione'
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module Precious
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module Helpers
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EMOJI_PATHNAME = Pathname.new(Gemojione.images_path).freeze
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def join_page_name(name, ext)
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"#{name}#{ext}"
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end
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# Extract the path string that Gollum::Wiki expects
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def extract_path(file_path)
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return nil if file_path.nil?
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last_slash = file_path.rindex("/")
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if last_slash
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file_path[0, last_slash]
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end
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end
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# Extract the 'page' name from the file_path
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def extract_name(file_path)
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if file_path[-1, 1] == "/"
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return nil
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end
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# File.basename is too eager to please and will return the last
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# component of the path even if it ends with a directory separator.
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ext = ::File.extname(file_path)
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return ::File.basename(file_path, ext), ext
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end
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def sanitize_empty_params(param)
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[nil, ''].include?(param) ? nil : CGI.unescape(param)
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end
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# Ensure path begins with a single leading slash
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def clean_path(path)
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if path
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(path[0] != '/' ? path.insert(0, '/') : path).gsub(/\/{2,}/, '/')
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end
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end
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# Remove all slashes from the start of string.
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# Remove all double slashes
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def clean_url url
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return url if url.nil?
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url.gsub('%2F', '/').gsub(/^\/+/, '').gsub('//', '/')
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end
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def forbid(msg = "Forbidden. This wiki is set to no-edit mode.")
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@message = msg
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status 403
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halt mustache :error
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end
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def not_found(msg = nil)
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@message = msg || "The requested page does not exist."
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status 404
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return mustache :error
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end
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def emoji(name)
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if emoji = Gemojione.index.find_by_name(name)
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IO.read(EMOJI_PATHNAME.join("#{emoji['unicode']}.png"))
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else
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fail ArgumentError, "emoji `#{name}' not found"
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end
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end
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end
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end
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