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http://cocoawithlove.com/2008/12/instance-variable-to-synthesized.html
#! /usr/bin/perl -w
# Created by Matt Gallagher on 20/10/08.
# Copyright 2008 Matt Gallagher. All rights reserved.
#
# Enhancements by Yung-Luen Lan and Mike Schrag on 12/08/09.
# (mainly: multiple lines)
# Copyright 2009 Yung-Luen Lan and Mike Schrag. All rights reserved.
#
# Enhancements by Pierre Bernard on 20/09/09.
# (mainly: underbar storage name, behavior, dealloc,…)
# Copyright 2009 Pierre Bernard. All rights reserved.
#
# Permission is given to use this source code file without charge in any
# project, commercial or otherwise, entirely at your risk, with the condition
# that any redistribution (in part or whole) of source code must retain
# this copyright and permission notice. Attribution in compiled projects is
# appreciated but not required.
use strict;
# Get the header file contents from Xcode user scripts
my $headerFileContents = <<'HEADERFILECONTENTS';
%%%{PBXAllText}%%%
HEADERFILECONTENTS
# Get the indices of the selection from Xcode user scripts
my $selectionStartIndex = %%%{PBXSelectionStart}%%%;
my $selectionEndIndex = %%%{PBXSelectionEnd}%%%;
# Find the closing brace (end of the class variables section)
my $remainderOfHeader = substr $headerFileContents, $selectionEndIndex;
my $indexAfterClosingBrace = $selectionEndIndex + index($remainderOfHeader, "\n}\n") + 3;
if ($indexAfterClosingBrace == -1)
{
exit 1;
}
# Get path of the header file
my $implementationFilePath = "%%%{PBXFilePath}%%%";
my $headerFilePath = $implementationFilePath;
# Look for an implemenation file with a ".m" or ".mm" extension
$implementationFilePath =~ s/\.[hm]*$/.m/;
if (!(-e $implementationFilePath))
{
$implementationFilePath =~ s/.m$/.mm/;
}
# Stop now if the implementation file can't be found
if (!(-e $implementationFilePath))
{
exit 1;
}
my $propertyDeclarations = '';
my $synthesizeStatements = '';
my $releaseStatements = '';
# Handle subroutine to trim whitespace off both ends of a string
sub trim
{
my $string = shift;
$string =~ s/^\s*(.*?)\s*$/$1/;
return $string;
}
# Get the selection out of the header file
my $selectedText = substr $headerFileContents, $selectionStartIndex, ($selectionEndIndex - $selectionStartIndex);
$selectedText = trim $selectedText;
my $selectedLine;
foreach $selectedLine (split(/\n+/, $selectedText)) {
my $type = '';
my $asterisk = '';
my $name = '';
my $behavior = '';
# Test that the selection is:
# At series of identifiers (the type name and access specifiers)
# Possibly an asterisk
# Another identifier (the variable name)
# A semi-colon
if (length($selectedLine) && ($selectedLine =~ /([_A-Za-z][_A-Za-z0-9]*\s*)+([\s\*]+)([_A-Za-z][_A-Za-z0-9]*);/))
{
$type = $1;
$type = trim $type;
$asterisk = $2;
$asterisk = trim $asterisk;
$name = $3;
$behavior = 'assign';
if (defined($asterisk) && length($asterisk) == 1)
{
if (($type eq 'NSString') || ($type eq 'NSArray') || ($type eq 'NSDictionary') || ($type eq 'NSSet'))
{
$behavior = 'copy';
}
else
{
if (($name =~ /Delegate/) || ($name =~ /delegate/) || ($type =~ /Delegate/) || ($type =~ /delegate/))
{
$behavior = 'assign';
}
else
{
$behavior = 'retain';
}
}
}
else
{
if ($type eq 'id')
{
$behavior = 'copy';
}
$asterisk = '';
}
}
else
{
next;
}
my $storageName = '';
if ($name =~ /_([_A-Za-z][_A-Za-z0-9]*)/) {
$storageName = $name;
$name = $1;
}
# Create and insert the propert declaration
my $propertyDeclaration = "\@property (nonatomic, $behavior) $type " . $asterisk . $name . ";\n";
$propertyDeclarations = $propertyDeclarations . $propertyDeclaration;
# Create and insert the synthesize statement
my $synthesizeStatement = '';
if (length($storageName))
{
$synthesizeStatement = "\@synthesize $name = $storageName;\n";
}
else
{
$synthesizeStatement = "\@synthesize $name;\n";
}
$synthesizeStatements = $synthesizeStatements . $synthesizeStatement;
# Create and insert release statement
my $releaseName = $name;
my $releaseStatement = '';
if (length($storageName))
{
$releaseName = $storageName;
}
if ($behavior eq 'assign')
{
if ($type eq 'SEL')
{
$releaseStatement = "\t$releaseName = NULL;\n";
}
}
else
{
$releaseStatement = "\t[$releaseName release];\n\t$releaseName = nil;\n";
}
$releaseStatements = $releaseStatements . $releaseStatement;
}
my $leadingNewline = '';
my $trailingNewline = '';
# Determine if we need to add a newline in front of the property declarations
if (substr($headerFileContents, $indexAfterClosingBrace, 1) eq "\n")
{
$indexAfterClosingBrace += 1;
$leadingNewline = '';
}
else
{
$leadingNewline = "\n";
}
# Determine if we need to add a newline after the property declarations
if (substr($headerFileContents, $indexAfterClosingBrace, 9) eq '@property')
{
$trailingNewline = '';
}
else
{
$trailingNewline = "\n";
}
substr($headerFileContents, $indexAfterClosingBrace, 0) = $leadingNewline . $propertyDeclarations . $trailingNewline;
my $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 (text 1 thru -2 of newDocText)
end tell
end run
REPLACEFILESCRIPT
# Use Applescript to replace the contents of the header file
# (I could have used the "Output" of the Xcode user script instead)
system 'osascript', '-e', $replaceFileContentsScript, $headerFilePath, $headerFileContents;
my $getFileContentsScript = <<'GETFILESCRIPT';
on run argv
set fileAlias to POSIX file (item 1 of argv)
tell application "Xcode"
set doc to open fileAlias
set docText to text of doc
end tell
return docText
end run
GETFILESCRIPT
# Get the contents of the implmentation file
open(SCRIPTFILE, '-|') || exec 'osascript', '-e', $getFileContentsScript, $implementationFilePath;
my $implementationFileContents = do {local $/; <SCRIPTFILE>};
close(SCRIPTFILE);
# Look for the class implementation statement
if (length($implementationFileContents) && ($implementationFileContents =~ /(\@implementation [_A-Za-z][_A-Za-z0-9]*\n)/))
{
my $matchString = $1;
my $indexAfterMatch = index($implementationFileContents, $matchString) + length($matchString);
# Determine if we want a newline before the synthesize statement
if (substr($implementationFileContents, $indexAfterMatch, 1) eq "\n")
{
$indexAfterMatch += 1;
$leadingNewline = '';
}
else
{
$leadingNewline = "\n";
}
# Determine if we want a newline after the synthesize statement
if (substr($implementationFileContents, $indexAfterMatch, 11) eq '@synthesize')
{
$trailingNewline = '';
}
else
{
$trailingNewline = "\n";
}
substr($implementationFileContents, $indexAfterMatch, 0) = $leadingNewline. $synthesizeStatements . $trailingNewline;
if ($implementationFileContents =~ /([ \t]*\[.*super.*dealloc.*\].*;.*\n)/)
{
my $deallocMatch = $1;
my $indexAfterDeallocMatch = index($implementationFileContents, $deallocMatch);
substr($implementationFileContents, $indexAfterDeallocMatch, 0) = "$releaseStatements\n";
}
elsif ($implementationFileContents =~ /(\@synthesize .*\n)*(\@synthesize [^\n]*\n)/s) {
my $synthesizeMatch = $2;
my $indexAfterSynthesizeMatch = index($implementationFileContents, $synthesizeMatch) + length($synthesizeMatch);
my $deallocMethod = "\n- (void)dealloc\n{\n$releaseStatements\n\t[super dealloc];\n}\n";
substr($implementationFileContents, $indexAfterSynthesizeMatch, 0) = $deallocMethod;
}
# Use Applescript to replace the contents of the implementation file in Xcode
system 'osascript', '-e', $replaceFileContentsScript, $implementationFilePath, $implementationFileContents;
}
exit 0;
