gistfile1.sh

#!/bin/bash

# class-dump		class-dump-z
# -			main.h
# CDStructures.h	main-Structs.h
# xxx-Protocol.h	xxx.h

usage ()
{
	echo "Usage: $0 executable target_directory"
}

if [[ "$#" != "2" ]]
then
	usage
	exit 1
fi

if [[ ! -f "$1" ]]
then
	echo "$0: $1: No such file"
	usage
	exit 2
fi

if [[ -a "$2" && ! -d "$2" ]]
then
	echo "$0: $2: Not a directory"
	usage
	exit 3
fi

h1="$TMPDIR/class-dump-h1"
h2="$TMPDIR/class-dump-h2"

rm -rf "$h1"
rm -rf "$h2"

echo "Dumping headers using class-dump-z..."
class-dump-z -H -o "$h1" "$1"

if grep 'XXUnknownSuperclass' "$h1"/* &> /dev/null
then
	echo "Dumping headers using class-dump..."
	class-dump -H -o "$h2" "$1"

	name="$(basename "$1")"
	
	if [[ -f "$h1/XXUnknownSuperclass.h" ]]
	then
		rm "$h1/XXUnknownSuperclass.h"
	fi
	
	imports=""
	
	for f in $(cd "$h2"; echo *)
	do
		other="$f"
		case "$f" in
			CDStructures.h)
				other="$name-Structs.h"
			;;
			*-Protocol.h)
				other="${f/%-Protocol.h/.h}"
			;;
		esac
		otherfull="$h1/$other"
		if [[ ! -f "$otherfull" ]]
		then
			cp "$h2/$f" "$otherfull"
			imports+="#import \"$f\""$'\n'
		else
			awk -v f="$h2/$f" '/XXUnknownSuperclass/ {
				for(i = 1; i <= NF; i++)
				{
					if(match($i, "XXUnknownSuperclass") > 0)
					{
						while(getline line < f)
						{
							split(line, fields, FS)
							for(j = 1; j < i; j++)
							{
								if($j != fields[j])
								{
									break
								}
							}
							if(i == j)
							{
								$i = fields[j]
								sub(/ \/\/ Unknown library$/, "")
								sub(/-Protocol.h"$/, ".h")
								print
	 							next
							}
						}
					}
				}
			}
			{
				print $0
			}' "$otherfull" > "$otherfull.tmp"
			mv -f "$otherfull.tmp" "$otherfull"
		fi
	done
	
	echo "$imports" | awk '{
		if(FNR == NR)
		{
			if(i != "")
			{
				i = i"\n"
			}
			i = i$0
		}
		else
		{
			if($0 == "#import \"XXUnknownSuperclass.h\"")
			{
				printf i
			}
			else
			{
				print
			}
		}
	}' "$h1/$name.h" > "$h1/$name.h.tmp"
	mv -f "$h1/$name.h.tmp" "$h1/$name.h"
fi

if [[ -a "$2" ]]
then
	rm -rf "$2"
fi

mv -f "$h1" "$2"