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#!/bin/bash
#
# Script to setup a new decoder.
# Written by Victor Julien <victor@inliniac.net>
#
set -e
#set -x
function Usage {
echo
echo "$(basename $0) -- script to provision a decoder. The script"
echo "makes a copy of the decode-template, sets the name and updates"
echo " the build system."
echo
echo "Call from the 'src' directory, with one argument: the decoder name."
echo
echo "E.g. inside 'src': ../scripts/$(basename $0) ipv7"
echo
}
function Done {
echo
echo "Decoder $NR has been set up in $FILE_C and $FILE_H and the"
echo "build system has been updated."
echo
echo "The decoder should now compile cleanly. Try running 'make'."
echo
echo "Next steps are to edit the files to implement the actual"
echo "decoding of $NR."
echo
}
if [ $# -ne "1" ]; then
Usage
echo "ERROR: call with one argument"
exit 1
fi
INPUT=$1
# lowercase
LC=${INPUT,,}
#echo $LC
# UPPERCASE
UC=${LC^^}
#echo $UC
# Normal
NR=${LC^}
#echo $NR
FILE_C="decode-${LC}.c"
FILE_H="decode-${LC}.h"
#echo $FILE_C
#echo $FILE_H
if [ ! -e ../configure.ac ] || [ ! -e Makefile.am ]; then
Usage
echo "ERROR: call from src/ directory"
exit 1
fi
if [ ! -e decode-template.c ] || [ ! -e decode-template.h ]; then
Usage
echo "ERROR: input files decode-template.c and/or decode-template.h are missing"
exit 1
fi
if [ -e $FILE_C ] || [ -e $FILE_H ]; then
Usage
echo "ERROR: file(s) $FILE_C and/or $FILE_H already exist, won't overwrite"
exit 1
fi
cp decode-template.c $FILE_C
cp decode-template.h $FILE_H
# search and replaces
sed -i "s/TEMPLATE/${UC}/g" $FILE_C
sed -i "s/TEMPLATE/${UC}/g" $FILE_H
sed -i "s/Template/${NR}/g" $FILE_C
sed -i "s/Template/${NR}/g" $FILE_H
sed -i "s/template/${LC}/g" $FILE_C
sed -i "s/template/${LC}/g" $FILE_H
sed -i "s/decode-template.c decode-template.h \\\/decode-template.c decode-template.h \\\\\n${FILE_C} ${FILE_H} \\\/g" Makefile.am
Done
exit 0
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