# Copyright 1999-2011 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # @ECLASS: vmware-bundle.eclass # @MAINTAINER: # vmware@gentoo.org # @AUTHOR: # Matt Whitlock <matt@whitlock.name> # @BLURB: Provides extract functionality for vmware products bundles DEPEND="dev-libs/libxslt" vmware-bundle_extract-bundle-component() { local bundle=${1:?} component=${2:?} dest=${3:-${2}} cat > "${T}"/list-bundle-components.xsl <<-EOF <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output omit-xml-declaration="yes"/> <xsl:template match="text()"/> <xsl:template match="/bundle/components/component"> <xsl:value-of select="@offset"/> <xsl:text> </xsl:text> <xsl:value-of select="@size"/> <xsl:text> </xsl:text> <xsl:value-of select="@name"/> <xsl:text> </xsl:text> </xsl:template> </xsl:stylesheet> EOF local -i bundle_size=$(stat -L -c'%s' "${bundle}") local -i bundle_manifestOffset=$(od -An -j$((bundle_size-36)) -N4 -tu4 "${bundle}") local -i bundle_manifestSize=$(od -An -j$((bundle_size-40)) -N4 -tu4 "${bundle}") local -i bundle_dataOffset=$(od -An -j$((bundle_size-44)) -N4 -tu4 "${bundle}") local -i bundle_dataSize=$(od -An -j$((bundle_size-52)) -N8 -tu8 "${bundle}") tail -c+$((bundle_manifestOffset+1)) "${bundle}" 2> /dev/null | head -c$((bundle_manifestSize)) | xsltproc "${T}"/list-bundle-components.xsl - | while read -r component_offset component_size component_name ; do if [[ ${component_name} == ${component} ]] ; then ebegin "Extracting '${component_name}' component from '$(basename "${bundle}")'" vmware-bundle_extract-component "${bundle}" "${dest}" $((bundle_dataOffset+component_offset)) eend fi done } vmware-bundle_extract-component() { local component=${1:?} dest=${2:-.} local -i offset=${3} cat > "${T}"/list-component-files.xsl <<-EOF <?xml version="1.0" encoding="ISO-8859-1"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output omit-xml-declaration="yes"/> <xsl:template match="text()"/> <xsl:template match="/component/fileset/file"> <xsl:value-of select="@offset"/> <xsl:text> </xsl:text> <xsl:value-of select="@compressedSize"/> <xsl:text> </xsl:text> <xsl:value-of select="@uncompressedSize"/> <xsl:text> </xsl:text> <xsl:value-of select="@path"/> <xsl:text> </xsl:text> </xsl:template> </xsl:stylesheet> EOF local -i component_manifestOffset=$(od -An -j$((offset+9)) -N4 -tu4 "${component}") local -i component_manifestSize=$(od -An -j$((offset+13)) -N4 -tu4 "${component}") local -i component_dataOffset=$(od -An -j$((offset+17)) -N4 -tu4 "${component}") local -i component_dataSize=$(od -An -j$((offset+21)) -N8 -tu8 "${component}") tail -c+$((offset+component_manifestOffset+1)) "${component}" 2> /dev/null | head -c$((component_manifestSize)) | xsltproc "${T}"/list-component-files.xsl - | while read -r file_offset file_compressedSize file_uncompressedSize file_path ; do if [[ ${file_path} ]] ; then file_path="${dest}/${file_path}" mkdir -p "$(dirname "${file_path}")" || die if [[ ${file_compressedSize} -gt 0 ]] ; then echo -n '.' tail -c+$((offset+component_dataOffset+file_offset+1)) "${component}" 2> /dev/null | head -c$((file_compressedSize)) | gzip -cd > "${file_path}" || die else echo -n 'x' fi fi done echo }