gecko-dev/cmd/xfe/ad2c

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#!/bin/sh
#
# ad2c : Convert app-defaults file to C strings decls.
#
# George Ferguson, ferguson@cs.rcohester.edu, 12 Nov 1990.
# 19 Mar 1991 : gf
# Made it self-contained.
# 6 Jan 1992 : mycroft@gnu.ai.mit.edu (Charles Hannum)
# Removed use of "-n" and ":read" label since Gnu and
# IBM sed print pattern space on "n" command. Still works
# with Sun sed, of course.
# 7 Jan 1992: matthew@sunpix.East.Sun.COM (Matthew Stier)
# Escape quotes after escaping backslashes.
# 8 Jul 1992: Version 1.6
# Manpage fixes.
# 19 Apr 1993: Version 1.7
# Remove comments that were inside the sed command since
# some versions of sed don't like them. The comments are
# now given here in the header.
#
# Comments on the script by line:
# /^!/d Remove comments
# /^$/d Remove blanks
# s/\\/\\\\/g Escape backslashes...
# s/\\$//g ...except the line continuation ones
# s/"/\\"/g Escape quotes
# s/^/"/ Add leading quote
# : test Establish label for later branch
# /\\$/b slash Branch to label "slash" if line ends in backslash
# s/$/",/ Otherwise add closing quote and comma...
# p ...output the line...
# d ...and clear the pattern space so it's not printed again
# : slash Branch comes here if line ends in backslash
# n Read next line, append to pattern space
# [...] The "d" and "s" commands that follow just delete
# comments and blank lines and escape control sequences
# b test Branch up to see if the line ends in backslash or not
#
#
# This file has been included with permission from the author.
# Fri Mar 6 01:40:58 PST 1998
#
# XFE additions:
# y/ / / Replace tabs with spaces
# s/ */ /g Compress consecutive spaces down to one space
sed '
/^!/d
/^$/d
y/ / /
s/ */ /g
s/\\/\\\\/g
s/\\$//g
s/"/\\"/g
s/^/"/
: test
/\\$/b slash
s/$/",/
p
d
: slash
n
/^!/d
/^$/d
y/ / /
s/ */ /g
s/"/\\"/g
s/\\\\/\\/g
s/\\n/\\\\n/g
s/\\t/\\\\t/g
s/\\f/\\\\f/g
s/\\b/\\\\b/g
b test' "$@"