120 lines
5.3 KiB
XML
120 lines
5.3 KiB
XML
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<?xml version="1.0" encoding="UTF-8"?>
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<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
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<xs:element name="network">
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<xs:complexType>
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<xs:sequence>
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<!-- main_description must be the first sub-element of network (impossible to allow unspecified elements before main_description if the document is parsed by an event-based parser) -->
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<xs:element name="main_description" type="main_descr_type">
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<!-- the layer id must be unique within the network -->
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<xs:unique name="unique_layer_id">
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<xs:selector xpath="./layer"/>
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<xs:field xpath="./@id"/>
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</xs:unique>
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<!-- the node id must be unique within the network and will be referenced by link/@orig and link/@dest -->
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<xs:key name="key_node_id">
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<xs:selector xpath="./*/node"/>
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<xs:field xpath="@id"/>
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</xs:key>
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<!-- the origine of a link must reference an existing node id -->
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<xs:keyref name="keyref_link_orig" refer="key_node_id">
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<xs:selector xpath="./*/link"/>
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<xs:field xpath="@orig"/>
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</xs:keyref>
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<!-- the destination of a link must reference an existing node id -->
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<xs:keyref name="keyref_link_dest" refer="key_node_id">
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<xs:selector xpath="./*/link"/>
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<xs:field xpath="@dest"/>
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</xs:keyref>
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</xs:element>
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<!-- COMMENT THE TWO NEXT ELEMENTS IF YOU DON'T WANT TO USE THEM IN THIS ORDER -->
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<xs:element name="additional_description" minOccurs="0">
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<!-- the content of additional_description is not specified -->
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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<xs:element name="graphical_data" minOccurs="0">
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<!-- the content of graphical_data is not specified -->
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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<!-- allow to have other (unspecified) sub-elements of network -->
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<xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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</xs:complexType>
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</xs:element>
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<!-- content of the main_description element : -->
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<xs:complexType name="main_descr_type">
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<xs:sequence>
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<xs:element name="layer" maxOccurs="unbounded">
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<!-- content of layer elements -->
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<xs:complexType>
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<xs:choice minOccurs="0" maxOccurs="unbounded">
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<xs:element name="node">
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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<!-- specified attributes of node should be added in the "node_specified_att" attribute group at the bottom of this document -->
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<xs:attributeGroup ref="node_specified_att"/>
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<xs:anyAttribute namespace="##any" processContents="skip"/>
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</xs:complexType>
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</xs:element>
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<xs:element name="link">
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<xs:complexType>
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<xs:sequence>
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<xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded"/>
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</xs:sequence>
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<!-- specified attributes of link should be added in the "link_specified_att" attribute group at the bottom of this document -->
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<xs:attributeGroup ref="link_specified_att"/>
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<xs:anyAttribute namespace="##any" processContents="skip"/>
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</xs:complexType>
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</xs:element>
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</xs:choice>
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<!-- specified attributes of layer should be added in the "layer_specified_att" attribute group at the bottom of this document -->
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<xs:attributeGroup ref="layer_specified_att"/>
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<xs:anyAttribute namespace="##any" processContents="skip"/>
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</xs:complexType>
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<!-- the couple (orig, dest) of a link must be unique within a layer -->
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<xs:unique name="unique_orig_dest">
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<xs:selector xpath="./link"/>
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<xs:field xpath="@orig"/>
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<xs:field xpath="@dest"/>
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</xs:unique>
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</xs:element>
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</xs:sequence>
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</xs:complexType>
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<!-- describe the authorized type for positions, i.e. an integer or a geographical coordinate -->
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<xs:simpleType name="position_type">
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<xs:union memberTypes="xs:integer">
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<xs:simpleType>
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<xs:restriction base="xs:string">
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<xs:pattern value="\d{1,2}(\.\d{1,2})?\s*[ENSW]"/>
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</xs:restriction>
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</xs:simpleType>
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</xs:union>
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</xs:simpleType>
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<!-- ADD HERE THE ATTRIBUTES YOU WANT TO SPECIFY FOR THE CORRESPONDING NETWORK OBJECT -->
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<!-- Specified attributes of layer : -->
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<xs:attributeGroup name="layer_specified_att">
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<xs:attribute name="id" type="xs:string" use="required"/>
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</xs:attributeGroup>
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<!-- Specified attributes of node : -->
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<xs:attributeGroup name="node_specified_att">
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<xs:attribute name="id" type="xs:integer" use="required"/>
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<xs:attribute name="label" type="xs:string" use="optional"/>
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<xs:attribute name="pos_x" type="position_type" use="required"/>
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<xs:attribute name="pos_y" type="position_type" use="required"/>
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</xs:attributeGroup>
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<!-- Specified attributes of link : -->
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<xs:attributeGroup name="link_specified_att">
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<xs:attribute name="orig" type="xs:integer" use="required"/>
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<xs:attribute name="dest" type="xs:integer" use="required"/>
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</xs:attributeGroup>
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</xs:schema>
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