copy-template

#!/usr/bin/env bash
#
# @author Markus Raab <elektra@markus-raab.org>
# @brief Creates a plugin out of one of the two template plugins
# @date 05.05.2012
# @tags generator, creator

set -e

SCRIPTS_DIR=$(dirname "$0")
. "${SCRIPTS_DIR}/include-common"
cd "$SOURCE/src/plugins"

# Parse optional argument `-p`
OPTIND=1
TEMPLATE_NAME='template'
while getopts "p" option; do
	case "$option" in
	p)
		CPP='true'
		TEMPLATE_NAME='cpptemplate'
		;;
	esac
done
shift $((OPTIND - 1))

if [ $# -ne 1 ]; then
	echo "Usage: $0 [-p] <new-pluginname>"
	echo '       -p    create a C++ based plugin based on `cpptemplate`'
	echo
	echo "This script allows you to copy templates and rename them properly."
	echo "We recommend you use this tool if you want to create new plugins."
	exit 0
fi

PLUGIN=$1

if echo "$PLUGIN" | grep -E -q '^[a-z]+$'; then
	if [ -d "$PLUGIN" ]; then
		echo "Plugin $PLUGIN already exists"
		exit 1
	else
		echo "Creating new plugin $PLUGIN"
	fi
else
	echo "Pluginnames must consist only of characters a-z"
	exit 1
fi

First=$(echo "$PLUGIN" | awk '{print toupper(substr($0, 1, 1)) substr($0, 2)}')
ALL=$(echo "$PLUGIN" | awk '{print toupper($0)}')

move_files_c_template() {
	cp -r template "$PLUGIN"
	cd "$PLUGIN"
	mv template.c "$PLUGIN".c
	mv template.h "$PLUGIN".h
	mv testmod_template.c testmod_"$PLUGIN".c
}

move_files_cpp_template() {
	cp -r cpptemplate "$PLUGIN"
	# We always use the ReadMe from `template`
	cp template/README.md "$PLUGIN"
	cd "$PLUGIN"
	mv cpptemplate.cpp "$PLUGIN".cpp
	mv cpptemplate.hpp "$PLUGIN".hpp
	mv cpptemplate_delegate.hpp "${PLUGIN}"_delegate.hpp
	mv cpptemplate_delegate.cpp "${PLUGIN}"_delegate.cpp
	mv testmod_cpptemplate.cpp testmod_"$PLUGIN".cpp
}

do_replacements() {
	# We have to use slightly different command line switches for the GNU and
	# BSD version of `sed`. Only GNU `sed` supports the switch `--version`.
	sed --version &> /dev/null && args=(-i) || args=(-i '')

	sed -E "${args[@]}" "s/(CPP)?TEMPLATE/$ALL/g" "$@"
	sed -E "${args[@]}" "s/(Cpp)?Template/$First/g" "$@"
	sed -E "${args[@]}" "s/(cpp)?template/$PLUGIN/g" "$@"
	if [ $CPP ]; then sed -E "${args[@]}" 's/(written in )C/\1C++/g' "$@"; fi
}

if [ $CPP ]; then
	move_files_cpp_template
	do_replacements testmod_"$1".cpp "$1".cpp "$1".hpp "$1"_delegate.hpp "$1"_delegate.cpp CMakeLists.txt README.md
else
	move_files_c_template
	do_replacements testmod_"$1".c "$1".c "$1".h CMakeLists.txt README.md
fi