[gentoo-java] RFC: java-ant_remove-taskdefs

["Petteri Räty" <betelgeuse@gentoo.org>]

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xml-rewrite-N.py only works on attributes so I think it's easiest to 
just have some inline python for this.

Regards,
Petteri

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Index: java-ant-2.eclass
===================================================================
RCS file: /var/cvsroot/gentoo-x86/eclass/java-ant-2.eclass,v
retrieving revision 1.30
diff -u -r1.30 java-ant-2.eclass
--- java-ant-2.eclass	5 Mar 2008 19:30:29 -0000	1.30
+++ java-ant-2.eclass	9 Mar 2008 23:01:32 -0000
@@ -380,6 +380,31 @@
 }
 
 # ------------------------------------------------------------------------------
+# @public java-ant_remove-taskdefs
+#
+# Removes taskdef elements from the file
+# @param $1 - the file to rewrite (defaults to build.xml)
+# ------------------------------------------------------------------------------
+java-ant_remove-taskdefs() {
+	debug-print-function ${FUNCNAME} $*
+	local file=${1:-build.xml}
+	echo "Removing taskdefs from ${file}"
+	python <<EOF
+import sys
+from xml.dom.minidom import parse
+dom = parse("${file}")
+for elem in dom.getElementsByTagName('taskdef'):
+	elem.parentNode.removeChild(elem)
+	elem.unlink()
+f = open("${file}", "w")
+dom.writexml(f)
+f.close()
+EOF
+	[[ $? != 0 ]] && die "Removing taskdefs failed"
+}
+
+
+# ------------------------------------------------------------------------------
 # @public java-ant_ignore-system-classes
 #
 # Makes the available task ignore classes in the system classpath
@@ -387,9 +412,8 @@
 # ------------------------------------------------------------------------------
 java-ant_ignore-system-classes() {
 	debug-print-function ${FUNCNAME} $*
-	local file="${1}"
-	[[ -z "${1}" ]] && file=build.xml
-	echo "Changing ignoresystemclasses to true for available tasks"
+	local file=${1:-build.xml}
+	echo "Changing ignoresystemclasses to true for available tasks in ${file}"
 	java-ant_xml-rewrite -f "${file}" --change \
 		-e available -a ignoresystemclasses -v "true"
 }

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