# Metaproxy XML config file schemas
# 
#   Copyright (c) 2005-2008 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/


namespace mp = "http://indexdata.com/metaproxy"

start |= metaproxy

include "retrievalinfo.rnc"

any = (text | element * { attribute * { text }*, any })*

metaproxy =
  element mp:metaproxy {
    attribute version { "1.0" },
    element mp:dlpath { xsd:string }?,
    element mp:start {
            attribute route { xsd:NCName }
    },
    element mp:filters { filter+ }?,
    element mp:routes { route+ }
  }

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

filter =
  element mp:filter {
    filter_refid
    | filter_auth_simple
    | filter_backend_test
    | filter_bounce
    | filter_cql_rpn
    | filter_frontend_net
    | filter_http_file
    | filter_load_balance
    | filter_log
    | filter_multi
    | filter_query_rewrite
    | filter_record_transform
    | filter_session_shared
    | filter_sru_z3950
    | filter_virt_db
    | filter_z3950_client
#    | filter_zeerex_explain
  }

filter_refid = attribute refid { xsd:NCName }

filter_auth_simple =
  attribute type { "auth_simple" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mp:userRegister { xsd:string }?,
  element mp:targetRegister { xsd:string }?,
  element mp: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_cql_rpn =
  attribute type { "cql_rpn" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mp:conversion {
    attribute  file { xsd:string }
  }

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

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

filter_load_balance =
  attribute type { "load_balance" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?

filter_log =
  attribute type { "log" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mp:message { xsd:string }?,
  element mp:time-format { xsd:string }?,
  element mp:filename { xsd:string }?,
  element mp:category {
    attribute user-access { xsd:boolean }?,
    attribute access { xsd:boolean }?,
    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 mp:target {
    attribute route { xsd:string },
    xsd:string
  }*,
  element mp:hideunavailable { empty }?,
  element mp:mergetype { xsd:string }?

filter_query_rewrite =
  attribute type { "query_rewrite" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mp:xslt { 
        attribute stylesheet { 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 mp:resultset {
    attribute max { xsd:integer },
    attribute ttl { xsd:integer }
  }?,
  element mp:session {
    attribute ttl { xsd:integer }
  }?

filter_sru_z3950 =
  attribute type { "sru_z3950" },
  attribute id { xsd:NCName }?,
  attribute name { xsd:NCName }?,
  element mp:database {  
     attribute name { xsd:NCName },
     any        
  }+

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

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

#filter_zeerex_explain =
#  attribute type { "zeerex_explain" },
#  attribute id { xsd:NCName }?,
#  attribute name { xsd:NCName }?,
#  element mp:database {  
#     attribute name { xsd:NCName },
#     any        
#  }+