#!/bin/sh
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


set -e

TMPFILE=

cleanup() {
  if [ -n "$TMPFILE" ]; then
    rm -f "$TMPFILE"
  fi
}

trap cleanup EXIT

case "$1" in
  -h | --h | --he | --hel | --help)
    cat <<EOF
Usage:
  $0 XML-FILE [SCHEMA-NAME]
  $0 OPTION

Options:
  -h | --help        Display program help
  -V | --version     Display program version
EOF
    exit ;;
  -V | --v | --ve | --ver | --vers | --versi | --versio | --version)
    cat <<EOF
$0 (libvirt) 12.0.0
EOF
    exit ;;
  --) shift ;;
  -?*)
    echo "$0: unrecognized option '$1'" >&2
    exit 1 ;;
esac

XMLFILE="$1"
TYPE="$2"

if [ "$XMLFILE" = "-" ]; then
  TMPFILE=`mktemp --tmpdir virt-xml.XXXX`
  cat > "$TMPFILE"
else
  if [ -z "$XMLFILE" ]; then
    echo "syntax: $0 XMLFILE [TYPE]" >&2
    exit 1
  fi

  if [ ! -f "$XMLFILE" ]; then
    echo "$0: document $XMLFILE does not exist" >&2
    exit 2
  fi
fi

if [ -z "$TYPE" ]; then
  if [ -n "$TMPFILE" ]; then
    ROOT=`xmllint --stream --debug - < "$TMPFILE" 2>/dev/null | grep "^0 1 " | awk '{ print $3 }'`
  else
    ROOT=`xmllint --stream --debug "$XMLFILE" 2>/dev/null | grep "^0 1 " | awk '{ print $3 }'`
  fi
  case "$ROOT" in
     *cpu*)
        TYPE="cpu"
        ;;
     *domainsnapshot*) # Must come first, since *domain* is a substring
        TYPE="domainsnapshot"
        ;;
     *domaincheckpoint*)
        TYPE="domaincheckpoint"
        ;;
     *domainbackup*)
        TYPE="domainbackup"
        ;;
     *domainCap*)
        TYPE="domaincaps"
        ;;
     *domain*)
        TYPE="domain"
        ;;
     *networkport*)
        TYPE="networkport"
        ;;
     *network*)
        TYPE="network"
        ;;
     *storagepoolCap*)
        TYPE="storagepoolcaps"
        ;;
     *pool*)
        TYPE="storagepool"
        ;;
     *volume*)
        TYPE="storagevol"
        ;;
     *capabilities*)
        TYPE="capability"
        ;;
     *device*)
        TYPE="nodedev"
        ;;
     *filterbinding*)
        TYPE="nwfilterbinding"
        ;;
     *filter*)
        TYPE="nwfilter"
        ;;
     *secret*)
        TYPE="secret"
        ;;
     *interface*)
        TYPE="interface"
        ;;
     *)
       echo "$0: cannot determine schema type for $XMLFILE" >&2
       exit 3
  esac
fi

SCHEMA="/usr/share/libvirt/schemas/${TYPE}.rng"

if [ ! -f "$SCHEMA" ]; then
  echo "$0: schema $SCHEMA does not exist" >&2
  exit 4
fi

if [ -n "$TMPFILE" ]; then
  xmllint --noout --relaxng "$SCHEMA" - < "$TMPFILE"
else
  xmllint --noout --relaxng "$SCHEMA" "$XMLFILE"
fi
exit
