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#!/bin/bash
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# corrects include guards for hxx/h files automatically by its path.
# Usage:
# a) fixincludeguards.sh header.hxx
# b) find . -name *.hxx -or -name *.h | xargs sh fixincludeguards.sh
# TODO: This doesn't fix wrong #endif comments, like:
# #ifndef FOO_BAR_HXX
# #define FOO_BAR_HXX
# ...
# #endif // OTHER_BAR_HXX
# TODO: Make this portable. As it is now, it likely only works on Linux, or
# other platforms with a purely GNU toolset.
guard_prefix="INCLUDED_"
for fn in "$@"; do
# remove leading ./, if invoked with find
fn=`echo "$fn" | sed 's/^.\///g'`
# global header in include/ top level dir:
# drop the project dir
fnfixed=`echo $fn | sed 's/include\///g'`
# convert file path to header guard
guard=`echo "$fnfixed" | sed 's/[\/\.-]/_/g' | tr 'a-z' 'A-Z'`
if [ aa"`git grep -h "^\s*#ifndef ${guard_prefix}$guard" "$fn" | wc -l`" != "aa1" ] ||
[ aa"`git grep -h "^\s*#define ${guard_prefix}$guard" "$fn" | wc -l`" != "aa1" ]; then
# pattern which identifies guards, common one look like
# _MODULE_FILE_HXX, FILE_H, FILE_INC
pattern=".*\(_HXX\|_H\|_INC\)"
### extract guard definition
# head to take only the first match
old_guard=`git grep -h "#ifndef $pattern" "$fn" | head -n1 | sed "s/.*\s\($pattern.*\)/\1/"`
if [ aa"$old_guard" == aa"" ]; then
echo -e "$fn: \e[00;31mwarning:\e[00m guard not detectable"
continue
fi
if [ aa"`git grep -w "$old_guard" | cut -d ':' -f1 | sort -u | wc -l `" != aa"1" ]; then
echo -e "$fn: \e[00;31mwarning:\e[00m $old_guard guard definition used in other files"
continue
fi
### skip some special files...
# skip this comphelper stuff:
# INCLUDED_COMPHELPER_IMPLBASE_VAR_HXX_14
if [ aa"INCLUDED_COMPHELPER_IMPLBASE_" == aa"`echo $old_guard | sed "s/VAR_HXX_[0-9]\+//g"`" ]; then
continue
fi
# skip files like xmloff/source/forms/elementimport_impl.hxx
if [ aa"`git grep -h "#error.*directly" "$fn" | wc -l`" != "aa0" ]; then
continue
fi
### replace old guard with new scheme guard
echo "$fn: $old_guard"
# includes leading whitespace removal
sed -i "s/\s*${old_guard}/ ${guard_prefix}${guard}/g" "$fn"
### clean up endif
sed -i "s/#endif\s*\(\/\/\|\/\*\)\s*\#\?\(ifndef\)\?\s*\(${guard_prefix}${guard}\).*/#endif \/\/ \3/g" "$fn"
fi
done
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