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A second issue with using Xcode for editing Ruby is that it by default does not correctly comment code in Ruby files. This again is easy to fix: Open the scripts menu, choose Edit User Scripts. Select Comments: Un/Comment Selection This will bring up a Perl script that Xcode uses to perform the comment/uncomment function. We need to modify this to recognize Ruby file types:

Replace:

    # determine the type of file we have by looking for the #! line at the top
    # careful--it might already be commented out!
    my $commentString;
    if ($fileString =~ m!^($perlCmt|$cCmt)?#!\s.?/perl|^($perlCmt|$cCmt)?#!\s.?#!\s.?/sh!) {
        $commentString = $perlCmt;
    } else {
        $commentString = $cCmt;
    }

with:

    my $fileName = "%%%{PBXFilePath}%%%";
    # determine the type of file we have by looking for the #! line at the top
    # careful--it might already be commented out!
    # Otherwise look at the file extension
    my $commentString;
    if ($fileString =~ m!^($perlCmt|$cCmt)?#!\s.?/perl|^($perlCmt|$cCmt)?#!\s.?/ruby|^($perlCmt|$cCmt)?#!\s.?/sh!
            || $fileName =~ m!.(rb|erb|rake|pl|sh)$!) {
        $commentString = $perlCmt;
    } else {
        $commentString = $cCmt;
    }

Tags: programming, ruby, xcode

This entry was posted on Sunday, August 29th, 2010 at 4:40 PM by cjh and is filed under Uncategorized. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.