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JavaTea.rb
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436 lines (391 loc) · 10.8 KB
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module JavaTea
class TempClass
attr_reader :pub
attr_reader :classname, :extends
attr_accessor :publicVars, :privateVars
attr_accessor :getsetVars, :getVars, :setVars
attr_accessor :methods
def initialize(pub,classname)
@pub = pub
@classname, @extends = classname, nil
@publicVars = []
@privateVars = []
@getsetVars = []
@methods = []
end
def extends=(newParent)
@extends = newParent
end
end
class TempVar
attr_reader :pub
attr_reader :type, :varname, :defaultValue
def initialize(pub, type, varname, defaultValue)
@pub = pub
@type, @varname = type, varname
@defaultValue = defaultValue
end
end
class TempDef
attr_reader :pub
attr_reader :type, :defname
attr_accessor :params
def initialize(pub, type, defname)
@pub = pub
@type, @defname = type, defname
@params = []
end
end
class << self
def convert(array)
@_temp_imports = []
@_temp_package = ""
@_temp_classes = []
@_temp_global_vars = []
array.each do |line|
_make_import(line) if line =~ /\*\s?java/i
_make_package(line) if line =~ /\&\s?java/i
_make_public_class(line) if line =~ /\+\s?class/i
_make_private_class(line) if line =~ /\-?\s?class/i
_make_getset_variable(line) if line =~ /\s*~\s?/i
_make_get_variable(line) if line =~ /\s*~g\s?/i
_make_set_variable(line) if line =~ /\s*~s\s?/i
_make_public_method(line) if line =~ /\s+\+def\s?/i
_make_private_method(line) if line =~ /\s+\-?def\s?/i
_make_public_variable(line) if line =~ /\s*\+\s?/i
_make_private_variable(line) if line =~ /\s*\-\s?/i
end
return _write_code
end
def convert_file(filename, save = true, saveFmt = "pde")
array = []
open(filename, "r") { |io| array = io.readlines }
result = convert(array)
if save
begin
publicClass = @_temp_classes.select{|klass| klass.pub == true}[0].classname
open("./#{publicClass}.#{saveFmt}", "w") {|io| io.write result}
rescue => e
puts [e.message,e.backtrace].join("\n")
end
puts "---\nsaved successful!"
else
puts result
end
end
def _make_package(line)
line.gsub!(/^\*\s?/){""}
if line =~ /,/
array = line.split(/,/)
array.each{|item|item.strip!}
@_temp_imports += array
else
@_temp_imports.push line
end
end
def _make_import(line)
line.gsub!(/^\&\s?/){""}
@_temp_package = line
end
def _make_public_class(line)
begin
regexp = /\+\s?class\s?([\w_]+)/i
regexp2 = /\+\s?class\s?(?:[\w_]+)\s?by\s?([\w_]+)/i
@_temp_classes.push TempClass.new(
true,
line.match(regexp)[1]
)
if line =~ regexp2
@_temp_classes.last.extends = line.match(regexp)[1]
end
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
def _make_private_class(line)
return if line.match(/\+\s?class/)
begin
regexp = /\-?\s?class\s?([\w_]+)/i
regexp2 = /\-?\s?class\s?(?:[\w_]+)\s?by\s?([\w_]+)/i
@_temp_classes.push TempClass.new(
false,
line.match(regexp)[1]
)
if line =~ regexp2
@_temp_classes.last.extends = line.match(regexp2)[1]
end
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
def _make_getset_variable(line)
if line =~ /^\t/
begin
type = line.match(/\s*~\s?([\w_]+)/)[1]
name = line.match(/\s*~\s?(?:[\w_]+)\s+([\w_]+)/)[1]
regexp = /\s*~\s?(?:[\w_]+)\s+(?:[\w_]+)\s+([\d\w\"\']+)/
dval = line.match(regexp) ? $1 : nil
@_temp_classes.last.getsetVars.push(
TempVar.new( true, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
else
begin
type = line.match(/\s*~\s?([\w_]+)/)[1]
name = line.match(/\s*~\s?(?:[\w_]+)\s+([\w_]+)/)[1]
regexp = /\s*~\s?(?:[\w_]+)\s+(?:[\w_]+)\s+([\d\w\"\']+)/
dval = line.match(regexp) ? $1 : nil
@_temp_global_vars.push(
TempVar.new( true, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
end
def _make_get_variable(line)
#
end
def _make_set_variable(line)
#
end
def _make_public_variable(line)
if line =~ /^\t/
begin
type = line.match(/\s*\+\s?([\w_\[\]]+)/)[1]
name = line.match(/\s*\+\s?(?:[\w_\[\]]+)\s+([\w_]+)/)[1]
regexp = /\s*\+\s?(?:[\w_\[\]]+)\s+(?:[\w_]+)\s+([\d\w\"\']+)/
dval = line.match(regexp) ? $1 : nil
@_temp_classes.last.publicVars.push(
TempVar.new( true, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
else
begin
type = line.match(/\+\s?([\w_]+)/)[1]
name = line.match(/\+\s?(?:[\w_]+)\s+([\w_]+)/)[1]
regexp = /\+\s?(?:[\w_]+)\s+(?:[\w_]+)\s+([\d\w\"\']+)/
dval = line.match(regexp) ? $1 : nil
@_temp_global_vars.push(
TempVar.new( true, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
end
def _make_private_variable(line)
return if line =~ /\s+\-?def\s?/
if line =~ /^\t/
begin
type = line.match(/\s*\-\s?([\w_\[\]]+)/)[1]
name = line.match(/\s*\-\s?(?:[\w_\[\]]+)\s+([\w_]+)/)[1]
regexp = /\s*\-\s?(?:[\w_\[\]]+)\s+(?:[\w_]+)\s+([\d\w\"\'\.]+)/
dval = line.match(regexp) ? $1 : nil
@_temp_classes.last.privateVars.push(
TempVar.new( false, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
else
begin
type = line.match(/\s*\-\s?([\w_]+)/)[1]
name = line.match(/\s*\-\s?(?:[\w_]+)\s+([\w_]+)/)[1]
regexp = /\s*\-\s?(?:[\w_]+)\s+(?:[\w_]+)\s+([\d\w\"\']+)/
dval = line.match(regexp) ? $1 : nil
@_temp_global_vars.push(
TempVar.new( false, type, name, dval )
)
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
end
def _make_public_method(line)
#
end
def _make_private_method(line)
if line =~ /^\t/
begin
type = line.match(/\s*\-?def\s?([\w_\[\]]+)/)[1]
name = line.match(/\s*\-?def\s?(?:[\w_\[\]]+)\s+([\w_]+)/)[1]
regexp = /\s*\-?def\s?(?:[\w_\[\]]+)\s+(?:[\w_]+)\s+\(([\s\w\,\"\'\.]+)\)/
array = line.match(regexp) ? $1 : nil
params = array.split(/,/) if array.is_a? String
params.each{|item|item.strip!}
@_temp_classes.last.methods.push(
TempDef.new( false,
type,
name
)
)
# puts @_temp_classes.last.methods.last.inspect
rescue => e
puts [e.message,e.backtrace].join("\n")
end
end
end
def _write_code
result = []
# imports
if @_temp_imports.size > 0
@_temp_imports.each do |import|
result.push("import #{import};")
end
result.push("")
end
# global vars
if @_temp_global_vars.size > 0
result.push("// global")
@_temp_global_vars.each do |var|
result.push("#{var.pub ? "public " : ""}#{var.varname};")
end
result.push("")
end
@_temp_classes.each do |klass|
# begin
if @_temp_classes.size > 1
result.push("/* --- #{klass.classname.upcase} --- */\n")
end
if klass.pub
result.push("package #{@_temp_package};")
end
result.push(
[
"#{klass.pub ? "public " : ""}class #{klass.classname}",
"#{klass.extends ? " extends #{klass.extends}" : ""} {"
].join
)
# vars
varSize = klass.getsetVars.size +
klass.publicVars.size +
klass.privateVars.size
if varSize > 0
result.push("\t// variables")
if klass.publicVars.size > 0
klass.publicVars.each do |var|
result.push("\tpublic #{var.type} #{var.varname};")
end
result.push("\t")
end
if klass.privateVars.size > 0
klass.privateVars.each do |var|
result.push("\tprivate #{var.type} #{var.varname};")
end
result.push("\t")
end
klass.getsetVars.each do |var|
result.push("\t#{var.type} #{var.varname};")
end
result.push("\t")
end
# constructor
result.push("\t// constructor")
result.push("\tpublic #{klass.classname}() {")
if varSize > 0
array_result = _write_code_class_constructor(klass)
result += array_result.to_a
end
result.push("\t}")
result.push("\t")
# getters
if klass.getsetVars.size > 0
result.push("\t// getters")
klass.getsetVars.each do |var|
varname = var.varname.clone
varname[0] = varname[0].upcase
result.push(
[
"\tpublic #{var.type} get#{varname}() {",
"\t\treturn #{var.varname};",
"\t}"
].join("\n")
)
end
result.push("\t")
end
# setters
if klass.getsetVars.size > 0
result.push("\t// setters")
klass.getsetVars.each do |var|
varname = var.varname.clone
varname[0] = varname[0].upcase
result.push(
[
"\tpublic #{var.type} set#{varname}(#{var.type} newValue) {",
"\t\t#{var.varname} = newValue;",
"\t}"
].join("\n")
)
end
result.push("\t")
end
# functions
# end
result.push("}");
result.push("")
end
result.join("\n")
end
def _write_code_class_constructor(klass)
result = []
if klass.publicVars.size > 0
klass.publicVars.each do |var|
array_result = _write_code_variable(var)
result += array_result.to_a
end
result.push("\t\t")
end
if klass.privateVars.size > 0
klass.privateVars.each do |var|
array_result = _write_code_variable(var)
result += array_result.to_a
end
result.push("\t\t")
end
klass.getsetVars.each do |var|
array_result = _write_code_variable(var)
result += array_result.to_a
end
return result
end
def _write_code_variable(var)
result = []
if ["int","String","boolean","float","double","char"].include? var.type
unless var.defaultValue.nil?
result.push("\t\t#{var.varname} = #{var.defaultValue};")
end
else
if var.defaultValue.nil?
result.push("\t\t#{var.varname} = new #{var.type}();")
else
if var.type =~ /\[\]/
type = var.type.clone
type.gsub!(/\[\]/){""}
result.push("\t\t#{var.type} #{var.varname} = new #{type}[#{var.defaultValue}];")
else
result.push("\t\t#{var.type}<#{var.defaultValue}> #{var.varname} = new #{var.type}<>();")
end
end
end
return result
end
end
end
# TEST
array=[
"* java.io.*, java.util.Properties",
"+ class Filename",
" + String[] line 10",
" ~ int some 0",
" -def void makeSomeFun (int x, int y)",
"class Foo",
" + ArrayList some SomeClass",
]
puts JavaTea.convert(array)
JavaTea.convert_file("./example.txt")