create-extension 3.13 KB
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#!/bin/bash

function show_extension_points () {
	echo "Valid extension points are:"
	echo
	for point in $V_EX_POINTS; do
		echo "   ${point}"
	done
	echo
}

function find_extension_points () {
	for file in $(find -iname '*addin.xml'); do
		points=$(grep '<ExtensionPoint' $file | \
			awk 'BEGIN { FS="=" } { print $2 }' | \
			sed 's,[>"],,g')

		id=$(awk 'BEGIN { FS="id=\"" } { print $2 }' < $file | \
			awk 'BEGIN { FS="\" " } { print $1 }')
		
		[[ -z $points || -z $id ]] && continue

		for point in $points; do
			V_EX_POINTS="${V_EX_POINTS} ${point}"
			V_EX_POINTS_IDS="${V_EX_POINTS_IDS} ${point},${id}"
		done
	done
}

function usage () {
	echo "Usage: $0 <name> <path> [<extension-point> ...]"
	echo
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	echo "Example: ./create-extension Banshee.InternetRadio Extensions/"
	echo
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	show_extension_points
	exit 1
}

find_extension_points

EX_NAME=$1; test -z $EX_NAME && usage || shift
EX_PATH="Extensions"

case "$1" in
	\/*) ;;
	*) test -z $1 || EX_PATH="$1"; shift ;;
esac

if test ! -d "${EX_PATH}"; then
	echo "Extension root path \`${EX_PATH}' does not exist."
	exit 1
fi

EX_PATH="${EX_PATH}/${EX_NAME}"
TEMPLATE_PATH="Extensions/Template"

if test ! -d $TEMPLATE_PATH; then
	echo "Extension template path \`${TEMPLATE_PATH}' does not exist."
	echo "This script must be run from the src/ directory of a Banshee checkout"
	exit 1
fi

if test -d "${EX_PATH}"; then
	echo "Extension \`${EX_PATH}' already exists."
	exit 1
fi

for point in $@; do
	found=0
	for v_point in $V_EX_POINTS; do
		if [ "x$point" = "x$v_point" ]; then
			found=1
			break
		fi
	done
	if [ $found -eq 0 ]; then
		echo "Extension point \`${point}' is not valid."
		echo
		show_extension_points
		exit 1
	fi
done

echo "Creating Extension ($EX_PATH)..."

for point in $@; do
	for v_point in $V_EX_POINTS_IDS; do
		if [ "$point" = "${v_point%,*}" ]; then
			dependency="${v_point##*,}"
			dep_found=0
			for dep_added in $deps_added; do
				if test "x${dependency}" = "x${dep_added}"; then
					dep_found=1
					break
				fi
			done

			if [ $dep_found -eq 0 ]; then
				deps_added="${deps_added} ${dependency}"
				EX_DEPS="${EX_DEPS}    <Addin id=\"${dependency}\" version=\"1.0\"/>^"
			fi

			name="${point##*/}"
			EX_NODES="${EX_NODES}  <Extension path=\"${point}\">^    <${name} class=\"\"/>^  </Extension>^^"

			echo "  Added extension node \`${name}' at path \`${point}'"
		fi
	done
done

EX_DEPS="  <Dependencies>^${EX_DEPS}^  </Dependencies>"

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mkdir -p "${EX_PATH}/${EX_NAME}"
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cp ${TEMPLATE_PATH}/Template.mdp "${EX_PATH}/${EX_NAME}.mdp"
cp ${TEMPLATE_PATH}/Template.addin.xml "${EX_PATH}/${EX_NAME}.addin.xml"
cp ${TEMPLATE_PATH}/Makefile.am "${EX_PATH}"

pushd "${EX_PATH}" &>/dev/null

for file in *; do
	sed -e "s/\@EXTENSION_NAME\@/${EX_NAME}/g" < $file > $file.tmp &&
		mv $file.tmp $file
	sed -e "s,\@EXTENSION_DEPS\@,${EX_DEPS},g" < $file | 
		sed -r 's,[\^]+,\^,g' | tr ^ '\n' > $file.tmp &&
		mv $file.tmp $file
	sed -e "s,\@EXTENSION_NODES\@,${EX_NODES},g" < $file | 
		tr ^ '\n' > $file.tmp &&
		mv $file.tmp $file
done

popd &>/dev/null

echo "Done."
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echo "You will need to fix the generated Makefile.am, .addins.xml file, "
echo "and add an entry to ../configure.ac, then run autogen.sh again."
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