mirror of
https://github.com/opf/openproject.git
synced 2026-06-13 19:20:00 +00:00
Jan Sandbrink
ac4e9626ee
Allows to list resources and resource templates and reading their contents.
59 lines
2.2 KiB
Ruby
59 lines
2.2 KiB
Ruby
# frozen_string_literal: true
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#-- copyright
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# OpenProject is an open source project management software.
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# Copyright (C) the OpenProject GmbH
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See COPYRIGHT and LICENSE files for more details.
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#++
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# A simple implementation of the essential parts of https://datatracker.ietf.org/doc/html/rfc6570
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# So far we only need it to parse simple URI templates we defined ourselves and match them, so this is what's implemented.
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# If we start needing more, we either need to add more or start double checking existing solutions.
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class UriTemplate
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def initialize(template_string)
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raise ArgumentError, "template_string can't be nil" if template_string.nil?
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@template_string = template_string
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@variables = template_string.scan(/\{(\w+)\}/).flatten
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matcher_string = "^#{Regexp.escape(template_string)}$"
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@variables.each { |v| matcher_string.gsub!(/\\\{#{v}\\\}/, "(?<#{v}>[\\w-]+)") }
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@matcher = Regexp.new(matcher_string)
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end
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delegate :match?, to: :@matcher
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delegate :as_json, to: :to_s
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def parse(uri)
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match = @matcher.match(uri)
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return nil if match.nil?
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@variables.to_h { |v| [v.to_sym, match[v]] }
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end
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def to_s
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@template_string
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end
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end
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