module Cinch::ModeParser
@api private @since 1.1.0
Constants
- EmptySequenceError
- ErrEmptyString
- MalformedError
- NotEnoughParametersError
- TooManyParametersError
Public Class Methods
parse_modes(modes, params, param_modes = {})
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@param [String] modes The mode string as sent by the server @param [Array<String>] params Parameters belonging to the modes @param [Hash{:add, :remove => Array<String>}] param_modes
A mapping describing which modes require parameters
@return [(Array<(Symbol<:add, :remove>, String
<char>, String
<param>), foo)]
# File lib/cinch/mode_parser.rb, line 18 def self.parse_modes(modes, params, param_modes = {}) if modes.size == 0 return nil, ErrEmptyString # raise Exceptions::InvalidModeString, 'Empty mode string' end if modes[0] !~ /[+-]/ return nil, MalformedError.new(modes) # raise Exceptions::InvalidModeString, "Malformed modes string: %s" % modes end changes = [] direction = nil count = -1 modes.each_char do |ch| if ch =~ /[+-]/ if count == 0 return changes, EmptySequenceError.new(modes) # raise Exceptions::InvalidModeString, 'Empty mode sequence: %s' % modes end direction = case ch when "+" :add when "-" :remove end count = 0 else param = nil if param_modes.has_key?(direction) && param_modes[direction].include?(ch) if params.size > 0 param = params.shift else return changes, NotEnoughParametersError.new(ch) # raise Exceptions::InvalidModeString, 'Not enough parameters: %s' % ch.inspect end end changes << [direction, ch, param] count += 1 end end if params.size > 0 return changes, TooManyParametersError.new(modes, params) # raise Exceptions::InvalidModeString, 'Too many parameters: %s %s' % [modes, params] end if count == 0 return changes, EmptySequenceError.new(modes) # raise Exceptions::InvalidModeString, 'Empty mode sequence: %s' % modes end return changes, nil end