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

<!-- 
    Schema for eXist Collection Configuration files /db/system/config/db/**/collection.xconf
    
    TODO: Remove optional attributes in favour of well defined/named parent elements
-->

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" version="1.0"
    targetNamespace="http://exist-db.org/collection-config/1.0">
    <xs:element name="collection">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="index" minOccurs="0" maxOccurs="1">
                    <xs:annotation>
                        <xs:documentation>Index Configuration</xs:documentation>
                    </xs:annotation>
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="fulltext">
                                <xs:annotation>
                                    <xs:documentation>Full Text Indexes</xs:documentation>
                                </xs:annotation>
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:element name="include" minOccurs="0"
                                            maxOccurs="unbounded">
                                            <xs:complexType>
                                                <xs:attribute name="path" type="xs:string"/>
                                            </xs:complexType>
                                        </xs:element>
                                        <xs:element name="exclude" minOccurs="0"
                                            maxOccurs="unbounded">
                                            <xs:complexType>
                                                <xs:attribute name="path" type="xs:string"/>
                                            </xs:complexType>
                                        </xs:element>
                                    </xs:sequence>
                                    <xs:attribute name="default" default="all">
                                        <xs:simpleType>
                                            <xs:restriction base="xs:string">
                                                <xs:enumeration value="all"/>
                                                <xs:enumeration value="none"/>
                                            </xs:restriction>
                                        </xs:simpleType>
                                    </xs:attribute>
                                    <xs:attribute name="attributes" type="xs:boolean" default="true"/>
                                    <xs:attribute name="alphanum" type="xs:boolean" default="true"/>
                                </xs:complexType>
                            </xs:element>
                            <xs:element name="create" minOccurs="0" maxOccurs="unbounded">
                                <xs:annotation>
                                    <xs:documentation>Range/QName Indexes</xs:documentation>
                                </xs:annotation>
                                <xs:complexType>
                                    <xs:attribute name="path" type="xs:string" use="optional"/>
                                    <xs:attribute name="qname" type="xs:string" use="optional"/>
                                    <xs:attribute name="type" type="xs:anySimpleType"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>
                
                <xs:element name="triggers" minOccurs="0" maxOccurs="1">
                    <xs:annotation>
                        <xs:documentation>Trigger Configuration</xs:documentation>
                    </xs:annotation>
                    <xs:complexType>
                        <xs:sequence>
                            <xs:element name="trigger" minOccurs="1" maxOccurs="unbounded">
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:element name="parameter" minOccurs="0"
                                            maxOccurs="unbounded">
                                            <xs:complexType>
                                                <xs:attribute name="name" type="xs:string"/>
                                                <xs:attribute name="value" type="xs:string"/>
                                            </xs:complexType>
                                        </xs:element>
                                    </xs:sequence>
                                    <xs:attribute name="class" type="xs:string"/>
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                    </xs:complexType>
                </xs:element>

                <xs:element name="validation" minOccurs="0" maxOccurs="1">
                    <xs:annotation>
                        <xs:documentation>Per collection validation-switch
                        configuration</xs:documentation>
                    </xs:annotation>
                    <xs:complexType>
                        <xs:attribute name="mode">
                            <xs:simpleType>
                                <xs:restriction base="xs:string">
                                    <xs:enumeration value="auto"/>
                                    <xs:enumeration value="no"/>
                                    <xs:enumeration value="yes"/>
                                </xs:restriction>
                            </xs:simpleType>
                        </xs:attribute>
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>