<?xml version="1.0" encoding="UTF-8"?>

<!-- 	document	: AlignmentML schema definition
	version 		: 1.1
	date 		: 2006-02-01
	author(s)	:  Henning Mersch <hmersch@techfak.uni-bielefeld.de>
			  Jan Krueger <jkrueger@techfak.uni-bielefeld.de>
		     	  Sven Hartmeier <shartmei@techfak.uni-bielefeld.de>
			  Kai Loewenthal <kloewent@techfak.uni-bielefeld.de>
	
	

-->

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	xmlns:aml="http://hobit.sourceforge.net/xsds/20060201/alignmentML"
	xmlns:bt="http://schemas.bioservices.net/2005/biotypes"
	xmlns:ht="http://hobit.sourceforge.net/xsds/20060403/hobitTypes"
	targetNamespace="http://hobit.sourceforge.net/xsds/20060201/alignmentML"
	elementFormDefault="qualified"
	attributeFormDefault="unqualified">

	
	<xs:import namespace="http://schemas.bioservices.net/2005/biotypes" schemaLocation="http://bibiserv.techfak.uni-bielefeld.de/xsd/net/bioservices/schemas/2005/biotypes.xsd" />
	<xs:import namespace="http://hobit.sourceforge.net/xsds/20060403/hobitTypes" schemaLocation="http://bibiserv.techfak.uni-bielefeld.de/xsd/net/sourceforge/hobit/20060403/hobitTypes.xsd" />
	
	<!--                   -->
	<!-- ELEMENTS -->
	<!--                   -->
	<xs:element name="alignmentML" nillable="true">
		<xs:annotation>
			<xs:documentation>AlignmentML is a format containing (multiple) alignment information any alignment program like ClustalW can produce. Like in SequenceML different 
				sequence types are supported.</xs:documentation>
		</xs:annotation>
		<xs:complexType>
			<xs:sequence>
				<xs:element name="alignment" type="aml:alignmentWithProgramType" minOccurs="1" maxOccurs="unbounded"/>
			</xs:sequence>
			<xs:attribute name="version" type="bt:version" use="optional"/>
		</xs:complexType>
	</xs:element>
	
	<!--             -->
	<!-- TYPES -->
	<!--             -->
	
	<xs:complexType name="alignmentWithProgramType">
		<xs:complexContent>
			<xs:extension base="aml:alignmentType">
				<xs:sequence>
					<xs:element name="program" type="ht:programType" minOccurs="0" maxOccurs="1" />
				</xs:sequence>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>
	
	<xs:complexType name="alignmentType">
		<xs:annotation>
			<xs:documentation>represents an alignment</xs:documentation>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="sequence" type="aml:sequenceType" minOccurs="2" maxOccurs="unbounded"/>
		</xs:sequence>
		<xs:attribute name="score" type="xs:int"/>
		<xs:anyAttribute/>
	</xs:complexType>
	<xs:complexType name="sequenceType">
		<xs:sequence minOccurs="1" maxOccurs="1">
			<xs:element name="name" type="xs:string" minOccurs="0"/>
			<xs:element name="synonyms" type="xs:string" minOccurs="0" maxOccurs="unbounded">
				<xs:annotation>
					<xs:documentation>Synonyms for this element</xs:documentation>
				</xs:annotation>
			</xs:element>
			<xs:element name="description" type="xs:string" minOccurs="0"/>
			<xs:choice minOccurs="1" maxOccurs="1">
				<xs:element name="alignedAminoAcidSequence" type="bt:alignedAminoAcidSequence"/>
				<xs:element name="alignedNucleotideAcidSequence" type="aml:alignedNucleotideSequence"/>
				<xs:element name="alignedFreeSequence" type="aml:alignedFreeSequence"/>
			</xs:choice> 
			<xs:element name="comment" type="xs:string" minOccurs="0"/>
		</xs:sequence>
		<xs:attribute name="seqID" type="bt:accessionNumber" use="required"/>
		<xs:anyAttribute/>
	</xs:complexType>
	<!-- Types, currently not within BioTypes.
	       TODO : add in next release-->
	<xs:simpleType name="alignedFreeSequence">
		<xs:annotation>
			<xs:documentation>inherit gappedFreeSequenceType from hobitTypes; do not allow
			gaps</xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:whiteSpace value="replace"/>
			<xs:pattern value="[A-Z\-]{0,}"/>
		</xs:restriction>
	</xs:simpleType>
	<xs:complexType name="alignedNucleotideSequence">
		<xs:annotation>
			<xs:documentation>An aligned nucleic acid sequence.</xs:documentation>
		</xs:annotation>
		<xs:simpleContent>
			<xs:extension base="bt:gappedAmbiguousNucleotideSequence">
				<xs:attributeGroup ref="bt:alignedSequenceAttrs"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
</xs:schema>

