Looking for an app that can format disasterous code

Tidy is likely the best bet. I've never used TextMate's version though, but you may want to download others apps that can do it to see if you get better results. Unfortunately, if the code is really horrible, nothing is going to fix that because it won't be able to interpret it correctly to know how to indent it.

If you need to clean up JavaScript you can use the JavaScript Beautifier.

You can also take a look at Tabifier as it was designed for this type of situation. I've ever used it though.

Here's a page with links for various web code formatting.

 

My recommendation is that you get real cozy with an intro to regular expressions, and get a copy of BBEdit. I had a rather large site in much the same state as yours. In my efforts to clean it up I found most code followed a similar pattern, and there were bits and pieces here or there that I wanted, and everything else needed replacing. BBEdit and Tm have an advanced find that can find and replace across multiple files, and can be done using regex. I used Textmate initially but just found out about a week ago that BBEdits method is better because it offers a progress bar and is still usable while TM offers no feedback until the whole process is complete, and becomes nigh unusable. You could probably also use grep on the command line, but it's not something I've got a good handle on, so for me BBE was easier.

Also, instead of trying to clean up by reformatting, all I do is search for the bits of source that I actually need, and insert that into the appropriate place of a new properly formatted template. Say for example, all you need is the contents of a p tag nested deep in those tables, you can do a regexp like

Code:

<(p)\b[^>]*>(.*?)</\1>

to grab just the p tag (the regexp translates to "grab all the text between <p> and </p>"). then you can use

Code:

$2

somewhere in your replacement to insert just the text of the paragraph (the "(.*?)" means all the stuff between <p> and </p>).

Perhaps I'll write up a tutorial on how to do this. I know some people have documented some solutions, but I don't think I ever came across a method for reformatting a whole site in one go.