# Metaproxy XML config file schemas
#  $Id: metaproxy.rnc,v 1.5 2006-10-10 15:10:18 marc Exp $
# 
#   Copyright (c) 2005-2006, Index Data.
# 
#   See the LICENSE file for details
# 
# 
# The RelaxNG Compact Syntax file 'metaproxy.rnc' is the master copy.
# 
# The RelaxNG XML Syntax and XML Schema are generated using 'trang':
# trang metaproxy.rnc metaproxy.rng 
# trang metaproxy.rnc metaproxy.xsd 
# 
# Config file validation is done using 'xmllint':
# xmllint -/-relaxng metaproxy.rng ../../../etc/config1.xml 
# xmllint -/-schema metaproxy.xsd config-bytarget.xml
# 
# For information on RelaxNG see http://relaxng.org 
# see also http://books.xmlschemata.org/relaxng/

default namespace = "http://indexdata.dk/yp2/config/1"

start = metaproxy

metaproxy =
  element yp2 {
    element start {
      attribute route { xsd:NCName }
    },
    element filters { filter+ }?,
    element routes { route+ }
  }

route =
  element route {
    attribute id { xsd:NCName },
    filter+
  }

filter =
  element filter {
    filter_refid
    | filter_auth_simple
    | filter_backend_test
    | filter_bounce
    | filter_frontend_net
    | filter_http_file
    | filter_log
    | filter_multi
    | filter_query_rewrite
    | filter_record_transform
    | filter_session_shared
    | filter_sru_z3950
    | filter_virt_db
    | filter_z3950_client
  }

filter_refid = attribute refid { xsd:NCName }

filter_auth_simple =
  attribute type { "auth_simple" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element userRegister { xsd:string }?,
  element targetRegister { xsd:string }?,
  element discardUnauthorisedTargets { empty }?

filter_backend_test =
  attribute type { "backend_test" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?

filter_bounce =
  attribute type { "bounce" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?

filter_frontend_net =
  attribute type { "frontend_net" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element threads { xsd:integer }?,
  element port { xsd:string }

filter_http_file =
  attribute type { "http_file" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mimetypes { xsd:string },
  element area {
    element documentroot { xsd:string },
    element prefix { xsd:string }
  }

filter_log =
  attribute type { "log" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element message { xsd:string }?,
  element filename { xsd:string }?,
  element category {
    attribute init-options { xsd:boolean }?,
    attribute request-session { xsd:boolean }?,
    attribute response-session { xsd:boolean }?,
    attribute apdu { xsd:boolean }?,
    attribute request-apdu { xsd:boolean }?,
    attribute response-apdu { xsd:boolean }?
  }?

filter_multi =
  attribute type { "multi" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element target {
    attribute route { xsd:string },
    xsd:string
  }*,
  element hideunavailable { empty }?

filter_query_rewrite =
  attribute type { "query_rewrite" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element xslt { xsd:string }

filter_record_transform =
  attribute type { "record_transform" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  retrievalinfo 

filter_session_shared =
  attribute type { "session_shared" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element resultset {
    attribute max { xsd:integer },
    attribute ttl { xsd:integer }
  },
  element session {
    attribute ttl { xsd:integer }
  }

filter_sru_z3950 =
  attribute type { "sru_z3950" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?

filter_virt_db =
  attribute type { "virt_db" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element virtual {
    attribute route { xsd:NCName }?,
    element database { xsd:NCName },
    element target { xsd:string }+
  }+

filter_z3950_client =
  attribute type { "z3950_client" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element timeout { xsd:integer }?

retrievalinfo = 
  element retrievalinfo { 
    element retrieval {
      attribute syntax { xsd:string },
      attribute name { xsd:string }?,
      attribute identifier { xsd:string }?,
      attribute backendsyntax { xsd:string }?,
      attribute backendname { xsd:string }?,
      element convert {
        element marc {
          attribute inputformat { xsd:string },
          attribute outputformat { xsd:string },
          attribute inputcharset { xsd:string }
        },
        element xslt {
          attribute stylesheet { xsd:string }
        }?
      }?
    }+
  }