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<?xml version="1.0" encoding="UTF-8"?>
<!--
// Description : identifier.xsd
// Author: The SPIRIT Consortium Schema Working Group
//
// Revision:    $Revision: 1540 $
// Date:        $Date: 2010-02-28 18:26:46 -0600 (Sun, 28 Feb 2010) $
//
// Copyright (c) 2005, 2006, 2007, 2008, 2009, 2010 The SPIRIT Consortium.
//
// This XML file is believed to be a consistent XML Schema expression for
// creating and validating XML documents based on the IEEE Std 1685-2009
// Standard for IP-XACT, Standard Structure for Packaging, Integrating
// and Re-using IP within Tool-flows. This is a file in the format
// specified by the World Wide Web Consortium (W3C) as XML Schema
// definition language.
//
// The purpose of this schema is to allow the creation and validation of
// XML documents conforming to the IEEE Std 1685-2009 Standard for
// IP-XACT, Standard Structure for Packaging, Integrating and Re-using IP
// within Tool-flows.
//
// USE AT YOUR OWN RISK.
//
// This source file is provided on an AS IS basis.  The SPIRIT
// Consortium disclaims any warranty express or implied including
// any warranty of merchantability and fitness for use for a
// particular purpose.
//
// The user of the source file shall indemnify and hold The SPIRIT
// Consortium and its members harmless from any damages or liability.
//
// This file may be copied, and distributed, WITHOUT
// modifications; this notice must be included on any copy.
//
// This schema shall not be modified, adapted, altered, sublicensed, nor
// any derivative works shall be created based upon the schema.  The
// intended and allowed uses of the schema include:
//
//  o Creating and validating XML documents that conform to the schema
//
//  o Building software programs and systems based on the schema
//
//  o Distributing verbatim copy of the schema as long as the full text
//  of this license is included in all copies of the schema.
//  Specifically, a tool may include full copies of the schema, and these
//  copies may be distributed by the tool provider directly.  A link or
//  URL to the original of the schema is inherent in the schema URI.
//
//  o Documents which are validated against this schema may also
//  reference additional schema. These additional schemas may provide for
//  validation of elements and attributes at the extension points
//  explicitly and implicitly included in the IEEE 1685-2009 standard.
//
//  o No right to create new schemas derived from parts of this base
//  schema is granted pursuant to this License.
//
// Users are requested to provide feedback to The SPIRIT Consortium
// using either mailto:feedback@lists.spiritconsortium.org or the forms at
// http://www.spiritconsortium.org/about/contact_us/
 -->
<xs:schema xmlns:spirit="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.spiritconsortium.org/XMLSchema/SPIRIT/1685-2009" elementFormDefault="qualified" attributeFormDefault="qualified">
        <xs:group name="baseIdentifier">
                <xs:annotation>
                        <xs:documentation>Base IP-XACT identifier group. Identify an IP-XACT document by its by vendor, library and name.</xs:documentation>
                </xs:annotation>
                <xs:sequence/>
        </xs:group>
        <xs:group name="versionedIdentifier">
                <xs:annotation>
                        <xs:documentation>This group of elements identifies a top level item (e.g. a component or a bus definition)  with vendor, library, name and a version number. </xs:documentation>
                </xs:annotation>
                <xs:sequence>
                        <xs:element name="vendor" type="xs:Name">
                                <xs:annotation>
                                        <xs:documentation>Name of the vendor who supplies this file.</xs:documentation>
                                </xs:annotation>
                        </xs:element>
                        <xs:element name="library" type="xs:Name">
                                <xs:annotation>
                                        <xs:documentation>Name of the logical library this element belongs to.  </xs:documentation>
                                </xs:annotation>
                        </xs:element>
                        <xs:element name="name" type="xs:NMTOKEN">
                                <xs:annotation>
                                        <xs:documentation>The name of the object.  </xs:documentation>
                                </xs:annotation>
                        </xs:element>
                        <xs:element name="version" type="xs:NMTOKEN">
                                <xs:annotation>
                                        <xs:documentation>Indicates the version of the named element.</xs:documentation>
                                </xs:annotation>
                        </xs:element>
                </xs:sequence>
        </xs:group>
        <xs:attributeGroup name="libraryRefGroup">
                <xs:annotation>
                        <xs:documentation>Base IP-XACT document reference.  Contains vendor, library, name and version attributes.</xs:documentation>
                </xs:annotation>
                <xs:attribute name="vendor" type="xs:Name" use="required"/>
                <xs:attribute name="library" type="xs:Name" use="required"/>
                <xs:attribute name="name" type="xs:NMTOKEN" use="required"/>
                <xs:attribute name="version" type="xs:NMTOKEN" use="required"/>
        </xs:attributeGroup>
        <xs:complexType name="libraryRefType">
                <xs:annotation>
                        <xs:documentation>Base IP-XACT document reference type. Contains vendor, library, name and version attributes.</xs:documentation>
                </xs:annotation>
                <xs:attributeGroup ref="spirit:libraryRefGroup">
                        <xs:annotation>
                                <xs:documentation>Base IP-XACT document reference.  Contains vendor, library, name and version attributes.</xs:documentation>
                        </xs:annotation>
                </xs:attributeGroup>
        </xs:complexType>
        <xs:complexType name="resolvedLibraryRefType">
                <xs:annotation>
                        <xs:documentation>Resolved IP-XACT document reference type. Contains vendor, library, name and version attributes and the URI of the referenced IP-XACT document</xs:documentation>
                </xs:annotation>
                <xs:simpleContent>
                        <xs:extension base="xs:anyURI">
                                <xs:attributeGroup ref="spirit:libraryRefGroup"/>
                        </xs:extension>
                </xs:simpleContent>
        </xs:complexType>
</xs:schema>