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# base.rb: basis of all plottable elements
# copyright (c) 2006,2007,2008 by Vincent Fourmond:
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details (in the COPYING file).
require 'Dobjects/Dvector'
require 'CTioga/debug'
require 'CTioga/log'
module CTioga
Version::register_svn_info('$Revision: 818 $', '$Date: 2008-06-23 23:20:47 +0200 (Mon, 23 Jun 2008) $')
# The base class for every single object that has to appear at one
# point as a command in the tioga plot. It provides only one function:
# do(f), which will be used by subclasses to do what they need.
class TiogaElement
include Debug
include Log
# The parent element.
attr_accessor :parent
# this function must be called with a FigureMaker object to
# draw the contents of the TiogaElement onto it. It calls
# the function real_do, which should be redefined by the
# children. You can redefine do too if you need another
# debugging output.
def do(f)
debug "plotting #{self.inspect}"
real_do(f)
end
# this function returns true if the object needs a CurveStyle parameter.
def need_style?
return false
end
# We plot everything but parent. If a prefix is given, it is prepended
# to all lines but the first (for indentation)
def inspect(prefix="")
ret = "#<#{self.class.name}:\n"
for i in instance_variables
next if i == "@parent"
var = instance_variable_get(i)
ret += "#{prefix} - #{i} -> "
if var.is_a? TiogaElement
ret += "#{var.inspect("#{prefix} ")}\n"
else
ret += "#{var.inspect}\n"
end
end
ret += "#{prefix}>"
return ret
end
end
# A class to represent a small function call to FigureMaker. Can represent
# basically anything.
class TiogaFuncall < TiogaElement
# _symbol_ is the symbol to be called, and the remainder will be used
# as arguments for the call.
def initialize(symbol, *args)
@symbol = symbol
@args = args
end
def real_do(f)
f.send(@symbol, *@args)
end
end
end
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