# << Usage >> # you can feed this README to irb and see the result # $ irb README # IMPORTANT NOTICE: # be careful with big *fixnum* (plain int) values in configs # int is 32 bit, but ruby fixnum is only 31! # For example, 2100000000 will be read as -47483648. require 'rconfig' c = Config.new c.read!('test.cfg') # => IOError c.read('test.cfg') # => false p c['some_var'] # => SettingNotFoundError # note: Config#lookup is alias for Config#[] c.append 'fixnum', Config::Fixnum.new(150) # # f1 = Config::Fixnum.new(1) c.append 'another_fixnum', f1 f2 = Config::Fixnum.new(256) c.append 'next_fixnum', f2 p c.size # => 3 c.delete(f1) # by element c.delete(0) # by index c.delete('next_fixnum') # by name # note: (at now) you cannot delete nested elements by Config#delete # you can do c['nested.element'].parent.delete(c['nested.element']) p c.size # => 0 l = Config::List.new c.append 'the_list', l l.append Config::String.new("abcdef") l << Config::Float.new(3.14) # note: Config::List#append and Config::Array#append both have # aliases Config::[Aggregate]#<< p l.name # => "the_list" p l.index # => 0 p l.root? # => false p l.size # => 3 l[0].format = Config::FORMAT_HEX p l[1].value # => 3.14 l[1].value = 2.71828 c.write 'test.cfg' # you will get test.cfg with following contents: # # the_list = ( "abcdef", 2.71828, 0x2A ); # >commitdiffstats
path: root/plugin_math.c
blob: 6988a2b66368a24a1411e4cd2ff9cedf860d24c4 (plain) 
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