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# XSD4R - Generating class definition code
# Copyright (C) 2004 NAKAMURA, Hiroshi <nahi@ruby-lang.org>.
# This program is copyrighted free software by NAKAMURA, Hiroshi. You can
# redistribute it and/or modify it under the same terms of Ruby's license;
# either the dual license version in 2003, or any later version.
require 'xsd/codegen/gensupport'
require 'xsd/codegen/moduledef'
require 'xsd/codegen/methoddef'
module XSD
module CodeGen
class ClassDef < ModuleDef
include GenSupport
def initialize(name, baseclass = nil)
super(name)
@baseclass = baseclass
@classvar = []
@attrdef = []
end
def def_classvar(var, value)
var = var.sub(/\A@@/, "")
unless safevarname?(var)
raise ArgumentError.new("#{var} seems to be unsafe")
end
@classvar << [var, value]
end
def def_attr(attrname, writable = true, varname = nil)
unless safevarname?(varname || attrname)
raise ArgumentError.new("#{varname || attrname} seems to be unsafe")
end
@attrdef << [attrname, writable, varname]
end
def dump
buf = ""
unless @requirepath.empty?
buf << dump_requirepath
end
buf << dump_emptyline unless buf.empty?
package = @name.split(/::/)[0..-2]
buf << dump_package_def(package) unless package.empty?
buf << dump_comment if @comment
buf << dump_class_def
spacer = false
unless @classvar.empty?
spacer = true
buf << dump_classvar
end
unless @const.empty?
buf << dump_emptyline if spacer
spacer = true
buf << dump_const
end
unless @code.empty?
buf << dump_emptyline if spacer
spacer = true
buf << dump_code
end
unless @attrdef.empty?
buf << dump_emptyline if spacer
spacer = true
buf << dump_attributes
end
unless @methoddef.empty?
buf << dump_emptyline if spacer
spacer = true
buf << dump_methods
end
buf << dump_class_def_end
buf << dump_package_def_end(package) unless package.empty?
buf
end
private
def dump_class_def
name = @name.to_s.split(/::/)
if @baseclass
format("class #{name.last} < #{@baseclass}")
else
format("class #{name.last}")
end
end
def dump_class_def_end
str = format("end")
end
def dump_classvar
dump_static(
@classvar.collect { |var, value|
%Q(@@#{var.sub(/^@@/, "")} = #{dump_value(value)})
}.join("\n")
)
end
def dump_attributes
str = ""
@attrdef.each do |attrname, writable, varname|
varname ||= attrname
if attrname == varname
str << format(dump_accessor(attrname, writable), 2)
end
end
@attrdef.each do |attrname, writable, varname|
varname ||= attrname
if attrname != varname
str << "\n" unless str.empty?
str << format(dump_attribute(attrname, writable, varname), 2)
end
end
str
end
def dump_accessor(attrname, writable)
if writable
"attr_accessor :#{attrname}"
else
"attr_reader :#{attrname}"
end
end
def dump_attribute(attrname, writable, varname)
str = nil
mr = MethodDef.new(attrname)
mr.definition = "@#{varname}"
str = mr.dump
if writable
mw = MethodDef.new(attrname + "=", 'value')
mw.definition = "@#{varname} = value"
str << "\n" + mw.dump
end
str
end
end
end
end
if __FILE__ == $0
require 'xsd/codegen/classdef'
include XSD::CodeGen
c = ClassDef.new("Foo::Bar::HobbitName", String)
c.def_require("foo/bar")
c.comment = <<-EOD
foo
bar
baz
EOD
c.def_const("FOO", 1)
c.def_classvar("@@foo", "var".dump)
c.def_classvar("baz", "1".dump)
c.def_attr("Foo", true, "foo")
c.def_attr("bar")
c.def_attr("baz", true)
c.def_attr("Foo2", true, "foo2")
c.def_attr("foo3", false, "foo3")
c.def_method("foo") do
<<-EOD
foo.bar = 1
\tbaz.each do |ele|
\t ele
end
EOD
end
c.def_method("baz", "qux") do
<<-EOD
[1, 2, 3].each do |i|
p i
end
EOD
end
m = MethodDef.new("qux", "quxx", "quxxx") do
<<-EOD
p quxx + quxxx
EOD
end
m.comment = "hello world\n123"
c.add_method(m)
c.def_code <<-EOD
Foo.new
Bar.z
EOD
c.def_code <<-EOD
Foo.new
Bar.z
EOD
c.def_privatemethod("foo", "baz", "*arg", "&block")
puts c.dump
end
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