XCode implementation from interface

#!/usr/bin/env ruby -w

begin; require 'rubygems'; rescue LoadError; end
require 'appscript'; include Appscript

#################################################################################
#                                                                               #
#     AutoImplementationFromInterface.rb                                        #
#                                                                               #
#     author:   Craig Williams  cwilliams <at> allancraig <dot> net             #
#     created:  2010-03-07                                                      #
#     updated by: Alfred R. Baudisch       me <at> ialfred <dot> com            #
#                                                                               #
#################################################################################
#                                                                               #
#     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 3 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.                              #
#                                                                               #
#     You should have received a copy of the GNU General Public License         #
#     along with this program.  If not, see <http://www.gnu.org/licenses/>;.     #
#                                                                               #
#################################################################################


#==============================================================
# Preferences
#==============================================================
SLEEP_TIME = 0.0
Xcode = app('/Developer/Applications/Xcode.app')
@use_nonatomic = true
@position_prop_after_closing_bracket = false

OS_VERSION = `osascript -e "tell (system info) to get system version"`

#==============================================================
# Methods
#==============================================================
def find_doc_with_save(file_path)
docs = Xcode.text_documents.get
docs.each do |doc|
path = doc.get.file_name.get
if file_path == path
doc.save
return doc
end
end
return false
end

def replace_document_contents(file_path, new_contents, close_file = false)
Xcode.open(file_path)
sleep SLEEP_TIME
basename = File.basename(file_path)
doc_name = Xcode.text_documents[1].name.get
if doc_name == basename
Xcode.text_documents[1].contents.set(new_contents)
Xcode.text_documents[1].save
Xcode.text_documents[1].close if close_file
else
print "This file '#{doc_name}' is not '#{basename}'"
return false
end
end

def replace_contents_leopard(file_path, new_contents)
Xcode.open(file_path)
sleep SLEEP_TIME
if doc = find_doc_with_save(file_path)
doc.contents.set(new_contents)
return true
end
return false
end

#==============================================================
# Checking for .m file existence
#==============================================================
# Save the current document Snow Leopard

Xcode.text_documents[1].save

path = "%%%{PBXFilePath}%%%"
doc = find_doc_with_save(path)

# Continue only if we are starting in the .h file
if File.extname(path) != '.h'
print "This is not a header file"
exit
end

parent    = File.dirname(path)
file_name = File.basename(path, '.*')
mPath     = parent + '/' + file_name + '.m'

# you could check for .mm ext here also
if !File.exists?(mPath)
print "File does not exist: #{path}"
exit
end


#==============================================================
# Converting selection to @property, @synthensize and dealloc
#==============================================================
# copy/retain/assign

implementation = ''

selection = STDIN.read
if selection == ''
find_doc_with_save(path)
exit
end

selection.each do |line|
# Selection lines must end with ;
implementation << line[0..-2] << " {\n\t\n}\n"
end


#==============================================================
# Reading and updating the .m file contents
#==============================================================
content_added, go_next = false

mFileContents = IO.read(mPath)
updatedFileContents = ''
mFileContents.split("\n").each do |line|
  if line =~ /^@implementation/
    go_next = true
  end

  if !content_added && go_next && line =~ /^[^@synthesize]/
    updatedFileContents << implementation << "\n" << line
    content_added = true
  else
    updatedFileContents << line
    updatedFileContents << "\n"
  end
end


#==============================================================
# Update the Xcode .h and .m files with new content
#==============================================================
if OS_VERSION.to_f < 10.6
exit if replace_contents_leopard(mPath, updatedFileContents.chomp) == false
sleep SLEEP_TIME
replace_contents_leopard(path, updatedHFileContents.chomp)
find_doc_with_save(mPath)
find_doc_with_save(path)
else
exit if replace_document_contents(mPath, updatedFileContents.chomp, true) == false
sleep SLEEP_TIME
replace_document_contents(path, updatedHFileContents.chomp)
end