Ejercicio 424

Elabora un documento XSD que permita validar la estructura del siguiente documento XML:

<svg version="1.1" width="500" height="400">
  <rect x="25" y="10" width="200" height="100" fill="orange" stroke="blue" stroke-width="3" />
  <rect x="225" y="25" width="50" height="85" fill="blue" stroke="red" stroke-width="8" />
  <circle cx="70" cy="110" r="25" fill="green" stroke="red"/>
  <circle cx="220" cy="110" r="25" fill="green" stroke="red"/>
  <path fill="pink" d="M 316 9 L 396 9 L 359 46 L 359 94 C 359 94 357 100 384 102
              L 384 103 L 331 103 L 331 102 C 356 100 354 94 354 94
          L 354 46 L 316 9 z " />
  <line stroke="green" stroke-width="8" x1="25" y1="150" x2="400" y2="150" />
  <polyline fill="red" points="20, 250 85, 350 120, 350" />
  <polygon fill="green" points="250,250 297, 284 279,340 220, 340 202, 284" />
  <ellipse fill="blue" cx="400" cy="300" rx="72" ry="50"/>
</svg>

Solución

XML

<svg version="1.1" width="500" height="400" 
  xmlns:xs="http://www.w3.org/2001/XMLSchema-instance" 
  xs:noNamespaceSchemaLocation="424.xsd">
  <rect x="25" y="10" width="200" height="100" fill="orange" stroke="blue" stroke-width="3" />
  <rect x="225" y="25" width="50" height="85" fill="blue" stroke="red" stroke-width="8" />
  <circle cx="70" cy="110" r="25" fill="green" stroke="red"/>
  <circle cx="220" cy="110" r="25" fill="green" stroke="red"/>
  <path fill="pink" d="M 316 9 L 396 9 L 359 46 L 359 94 C 359 94 357 100 384 102
              L 384 103 L 331 103 L 331 102 C 356 100 354 94 354 94
          L 354 46 L 316 9 z " />
  <line stroke="green" stroke-width="8" x1="25" y1="150" x2="400" y2="150" />
  <polyline fill="red" points="20, 250 85, 350 120, 350" />
  <polygon fill="green" points="250,250 297, 284 279,340 220, 340 202, 284" />
  <ellipse fill="blue" cx="400" cy="300" rx="72" ry="50"/>
</svg>

424.xsd

<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:element name="svg" type="tipoSvg" />

  <xsd:complexType name="tipoSvg">
    <xsd:sequence>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xsd:element name="rect" type="tipoRect"/>
        <xsd:element name="circle" type="tipoCircle"/>
        <xsd:element name="path" type="tipoPath"/>
        <xsd:element name="line" type="tipoLine"/>
        <xsd:element name="polyline" type="tipoPoly"/>
        <xsd:element name="polygon" type="tipoPoly" />
        <xsd:element name="ellipse" type="tipoEllipse"/>
      </xs:choice>
    </xsd:sequence>
    <xsd:attribute name="version" type="xsd:string" />
    <xsd:attributeGroup ref="grupoWH" />
  </xsd:complexType>

  <xsd:complexType name="tipoRect">
    <xsd:attributeGroup ref="grupoXY" />
    <xsd:attributeGroup ref="grupoWH" />
    <xsd:attributeGroup ref="grupoFill" />
    <xsd:attributeGroup ref="grupoStrokeS" />
  </xsd:complexType>

  <xsd:complexType name="tipoCircle">
    <xsd:attributeGroup ref="grupoCXCY" />
    <xsd:attribute name="r" type="xsd:string" />
    <xsd:attributeGroup ref="grupoFill" />
    <xsd:attributeGroup ref="grupoStroke" />
  </xsd:complexType>

  <xsd:complexType name="tipoPath">
    <xsd:attributeGroup ref="grupoFill" />
    <xsd:attribute name="d" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="tipoLine">
    <xsd:attributeGroup ref="grupoStrokeS" />
    <xsd:attribute name="x1" type="xsd:string" />
    <xsd:attribute name="x2" type="xsd:string" />
    <xsd:attribute name="y1" type="xsd:string" />
    <xsd:attribute name="y2" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="tipoPoly">
    <xsd:attributeGroup ref="grupoFill" />
    <xsd:attribute name="points" type="xsd:string" />
  </xsd:complexType>

  <xsd:complexType name="tipoEllipse">
    <xsd:attributeGroup ref="grupoFill" />
    <xsd:attribute name="cx" type="xsd:string" />
    <xsd:attribute name="cy" type="xsd:string" />
    <xsd:attribute name="rx" type="xsd:string" />
    <xsd:attribute name="ry" type="xsd:string" />
  </xsd:complexType>

  <xsd:attributeGroup name="grupoWH">
    <xsd:attribute name="width" type="xsd:string" />
    <xsd:attribute name="height" type="xsd:string" />
  </xsd:attributeGroup>

  <xsd:attributeGroup name="grupoXY">
    <xsd:attribute name="x" type="xsd:string" />
    <xsd:attribute name="y" type="xsd:string" />
  </xsd:attributeGroup>

  <xsd:attributeGroup name="grupoFill">
    <xsd:attribute name="fill" type="xsd:string" />
  </xsd:attributeGroup>

  <xsd:attributeGroup name="grupoCXCY">
    <xsd:attribute name="cx" type="xsd:string" />
    <xsd:attribute name="cy" type="xsd:string" />
  </xsd:attributeGroup>

  <xsd:attributeGroup name="grupoStroke">
    <xsd:attribute name="stroke" type="xsd:string" />
  </xsd:attributeGroup>

  <xsd:attributeGroup name="grupoStrokeS">
    <xsd:attributeGroup ref="grupoStroke" />
    <xsd:attribute name="stroke-width" type="xsd:string" />
  </xsd:attributeGroup>
</xsd:schema>