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#--
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# CyborgHood, a distributed system management software.
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# Copyright (c) 2009-2010 Marc Dequènes (Duck) <Duck@DuckCorp.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (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, see <http://www.gnu.org/licenses/>.
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#++
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module CyborgHood
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class Command
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attr_reader :cmdline, :cmdsplit, :parsing_errors
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def initialize(cmdline, cmdsplit, parsing_errors = [])
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@cmdline = cmdline
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@cmdsplit = cmdsplit
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@parsing_errors = parsing_errors
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end
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def valid?
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@parsing_errors.empty?
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end
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end
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class SharedParameter
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attr_reader :type, :content
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def initialize(content, type = nil)
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@content = content
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@type = type
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end
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end
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class ParameterReference
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attr_reader :reference
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def initialize(reference)
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@reference = reference
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end
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end
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class Order
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include I18nTranslation
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attr_reader :error, :user, :commands, :shared_parameters
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def initialize(params = {})
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@error = params[:error]
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@user = params[:user]
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@commands = params[:commands]
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@shared_parameters = params[:shared_parameters]
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end
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def self.parse(user, command_lines, shared_parameters)
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logger.debug "Parsing Order"
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used_refs = []
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commands = []
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command_lines.each do |line|
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line.strip!
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# skip empty lines and comments
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next if line == "" or line[0, 1] == "#"
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errors = []
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begin
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raw_cmd_parts = line.shellsplit
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rescue
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errors << _("Syntax error in command.")
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raw_cmd_parts = []
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end
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cmd_parts = raw_cmd_parts.collect do |word|
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yield word, errors, used_refs
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end
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commands << Command.new(line, cmd_parts, errors)
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end
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# remove references to unused parameters
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shared_parameters.delete_if{|ref, param| not used_refs.include?(ref) }
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logger.debug "Order is OK"
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new(:user => user, :commands => commands, :shared_parameters => shared_parameters)
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end
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def dereference_param(shared_parameters, param)
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if param.is_a? SharedParameter
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[ref, ParameterReference(ref)]
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elsif param.is_a? ParameterReference
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d_ref = param.reference
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d_param = shared_parameters[d_ref]
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return dereference_param(shared_parameters, d_param)
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else
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nil
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end
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end
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def valid?
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@error.nil? and @user and not @commands.empty?
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end
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end
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end
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