property_automation.rb

#!/usr/bin/ruby
# property automation
#
# http://wookay.egloos.com

# modded by n13
# usage: select all the variables to be turned into properties
# then run the script.
# probably won't work when just selecting individual variables

PBXFilePath = "%%%{PBXFilePath}%%%"
PBXSelectedText = %q`%%%{PBXSelectedText}%%%`
PBXAllText = %q`%%%{PBXAllText}%%%`

def file_replace_text path, to
 replaceFileContentsScript = <<REPLACEFILESCRIPT
   on run argv
     set fileAlias to POSIX file (item 1 of argv)
     set newDocText to (item 2 of argv)
     tell application "Xcode"
       set doc to open fileAlias
       set text of doc to newDocText
       save doc in file fileAlias
     end tell
   end run
REPLACEFILESCRIPT
 system 'osascript', '-e', replaceFileContentsScript, path, to
end

class String
 def next_line_index text
   idx = self.index(text)
   idx + self[idx..idx+100].index("\n")
 end
 def next_line_rindex text
   idx = self.rindex(text)
   idx + self[idx..-1].index("\n")
 end
end

def prop_of decl
 a,b = decl.split(' ')
 if a == 'id' or decl.include? '*' or b.include? '*'
   ', retain'
 end
end

def get_declations sel
 ary = []
 sel.split("\n").each do |l|
   decl = l.strip
   if decl.size > 0
     if decl.include? '}' or decl.include? '@interface'
     else
       ary.push decl
     end
   end
 end
 ary
end

def push_properties headerpath, headertext, selection
 indexCloseBracket = headertext.index('}')
 indexEnd = headertext.index('@end')
 methodText = headertext[indexCloseBracket..indexEnd]
 indexForProperty = nil
 if methodText.include? '@property'
   indexForProperty = headertext.next_line_rindex('@property')
 else
   indexForProperty = indexCloseBracket + 1
 end
 propertiesToPut = []
 get_declations(selection).each do |decl|
   if methodText.include? decl
   else
     prop = prop_of decl
     outlet = ''
     if prop
       if decl =~ /^(NS|IBOutlet)/
       else  # I don't know what this is for but it has the outlet twice?
         outlet = " IBOutlet"
       end
     end
     propertiesToPut.push %Q[@property (nonatomic#{prop})#{outlet} #{decl}\n]
   end
 end
 if propertiesToPut.size > 0
   preText = headertext[0..indexForProperty]
   backText = headertext[indexForProperty+1..-1]
   text = %Q[#{preText}#{propertiesToPut.join""}#{backText}]
   file_replace_text headerpath, text
 end
end

def push_synthesize_release implpath, impltext, selection
 indexOfDealloc = impltext.next_line_rindex('dealloc {')
 releaseText = impltext[indexOfDealloc..-1]
 synthesizeText = impltext.split("\n").select {|l| l.include? 'synthesize'}.join("\n")
 indexForSynthesize = nil
 if synthesizeText.include? '@synthesize'
   indexForSynthesize = impltext.next_line_rindex('@synthesize')
 else
   indexForSynthesize = impltext.next_line_rindex('@implementation')
 end
 indexForRelease = nil
 if releaseText.include? 'release]'
   indexForRelease = impltext.next_line_rindex('release]')
 else
   indexForRelease = impltext.next_line_rindex('dealloc {')
 end
 synthesizesToPut = []
 releasesToPut = []
 get_declations(selection).each do |decl|
   prop = prop_of decl
   name = decl.split(' ').last.gsub(';','')
       name.strip!
       if name[0,1] == '*'
               name = name[1..-1]
       end
   if synthesizeText.include? "@synthesize #{name};"
   else
     synthesizesToPut.push "@synthesize #{name};\n"
   end
   if releaseText.include? "[#{name} release];"
   else
     if prop
       releasesToPut.push "    [#{name} release];\n"
     end
   end
 end
 if synthesizesToPut.size > 0 or releasesToPut.size > 0
   preText = impltext[0..indexForSynthesize]
   backText = impltext[indexForSynthesize+1..indexForRelease]
   tailText = impltext[indexForRelease+1..-1]
   text = %Q[#{preText}#{synthesizesToPut.join""}#{backText}#{releasesToPut.join""}#{tailText}]
   file_replace_text implpath, text
 end
end

def get_impl_path(path)
 dot = path.rindex('.')
 "#{path[0..dot]}m"
end


if PBXFilePath =~ /\.h/
 implpath = get_impl_path(PBXFilePath)
 impltext = open(implpath) { |f| f.read }
 push_synthesize_release(implpath, impltext, PBXSelectedText)
 push_properties(PBXFilePath, PBXAllText, PBXSelectedText)
end