Generic Data Points Series XML format and its validated loading with LINQ to XML

Oleg V. Polikarpotchkin

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24 Apr 2009CPOL13 min read

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How to express a series of generic data points in XML and read them without much pain.

XmlDataPointSeries_src.zip
- XmlDataPointSeries
  - DataPointSeries.xml
  - Loader
    - DataPointSeries.cs
    - DefaultXmlToCLRTypeMapping.cs
    - Exceptions.cs
    - Loader.cs
    - Loader.csproj
    - Mapping.cs
    - Properties
      - AssemblyInfo.cs
    - schema.xsd
    - SchemaBuilder.cs
    - typemappings.xsd
    - XmlTypeConverter.cs
  - LoadWithDefaultSchema
    - LoadWithDefaultSchema.csproj
    - LoadWithDefaultSchema.csproj.user
    - Program.cs
    - Properties
      - AssemblyInfo.cs
  - LoadWithMappings
    - LoadWithMappings.csproj
    - LoadWithMappings.csproj.user
    - Program.cs
    - Properties
      - AssemblyInfo.cs
  - LocalTestRun.testrunconfig
  - PointSeriesMappings.xml
  - UnitTests
    - AuthoringTests.txt
    - LoaderTest.cs
    - LoaderWithMappingsTest.cs
    - LoaderWithPrebuiltSchemaTest.cs
    - MappingTest.cs
    - Properties
      - AssemblyInfo.cs
    - SchemaBuilderTest.cs
    - Test References
      - XmlDataPointSeries.Loader.accessor
    - UnitTests.csproj
  - XmlDataPointSeries.sln
  - XmlDataPointSeries.vsmdi

<?xml version="1.0" encoding="utf-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" 
					 targetNamespace="urn:PointSeries-schema"
					 xmlns="urn:PointSeries-schema"
					 xmlns:xs="http://www.w3.org/2001/XMLSchema">
	<!-- Root element -->
	<xs:element name="Items" type="itemsType"/>
	
	<!-- Root element type -->
	<xs:complexType name="itemsType">
		<xs:choice maxOccurs="unbounded">
			<xs:element name="Points.Int" type="pointsIntIntType"/>
			<xs:element name="Points.Int.Double" type="pointsIntDblType"/>
			<xs:element name="Points.Int.DateTime" type="pointsIntDttmType"/>
			<xs:element name="Points.Int.Date" type="pointsIntDtType"/>
			<xs:element name="Points.Int.Time" type="pointsIntTimeType"/>
			<xs:element name="Points.Int.Month" type="pointsIntMonthType"/>
			<xs:element name="Points.Int.Year" type="pointsIntYearType"/>
			<xs:element name="Points.Int.YearMonth" type="pointsIntYearMonthType"/>
			<xs:element name="Points.Int.MonthDay" type="pointsIntMonthDayType"/>
			<xs:element name="Points.Int.Duration" type="pointsIntDurationType"/>
			<xs:element name="Points.Double" type="pointsDblDblType"/>
			<xs:element name="Points.Double.Int" type="pointsDblIntType"/>
			<xs:element name="Points.Double.DateTime" type="pointsDblDttmType"/>
			<xs:element name="Points.Double.Date" type="pointsDblDtType"/>
			<xs:element name="Points.Double.Month" type="pointsDblMonthType"/>
			<xs:element name="Points.DateTime" type="pointsDttmDttmType"/>
			<xs:element name="Points.DateTime.Int" type="pointsDttmIntType"/>
			<xs:element name="Points.DateTime.Double" type="pointsDttmDblType"/>
			<xs:element name="Points.DateTime.Date" type="pointsDttmDtType"/>
			<xs:element name="Points.DateTime.Month" type="pointsDttmMonthType"/>
			<xs:element name="Points.Date" type="pointsDtDtType"/>
			<xs:element name="Points.Date.Int" type="pointsDtIntType"/>
			<xs:element name="Points.Date.Double" type="pointsDtDblType"/>
			<xs:element name="Points.Date.DateTime" type="pointsDtDttmType"/>
			<xs:element name="Points.Date.Month" type="pointsDtMonthType"/>
			<xs:element name="Points.Month" type="pointsMonthMonthType"/>
			<xs:element name="Points.Month.Int" type="pointsMonthIntType"/>
			<xs:element name="Points.Month.Double" type="pointsMonthDblType"/>
			<xs:element name="Points.Month.DateTime" type="pointsMonthDttmType"/>
			<xs:element name="Points.Month.Date" type="pointsMonthDtType"/>
		</xs:choice>
	</xs:complexType>
	
	<!-- Point Series Type attributes -->
	<xs:attributeGroup name="pointSetAttributes">
		<xs:attribute name="YName" type="xs:string" use="optional" />
		<xs:attribute name="XName" type="xs:string" use="optional" />
	</xs:attributeGroup>

	<!-- Point Series Types -->
	<xs:complexType name="pointsIntIntType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:int" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntDblType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:double" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntDttmType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:dateTime" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntDtType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:date" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntTimeType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:time" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:gMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntYearType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:gYear" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntYearMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:gYearMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntMonthDayType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:gMonthDay" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsIntDurationType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:int" use="required" />
						<xs:attribute name="y" type="xs:duration" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	
	<xs:complexType name="pointsDblIntType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:double" use="required" />
						<xs:attribute name="y" type="xs:int" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDblDblType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:double" use="required" />
						<xs:attribute name="y" type="xs:double" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDblDttmType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:double" use="required" />
						<xs:attribute name="y" type="xs:dateTime" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDblDtType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:double" use="required" />
						<xs:attribute name="y" type="xs:date" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDblMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:double" use="required" />
						<xs:attribute name="y" type="xs:gMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	
	<xs:complexType name="pointsDttmDttmType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:dateTime" use="required" />
						<xs:attribute name="y" type="xs:dateTime" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDttmIntType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:dateTime" use="required" />
						<xs:attribute name="y" type="xs:int" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDttmDblType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:dateTime" use="required" />
						<xs:attribute name="y" type="xs:double" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDttmDtType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:dateTime" use="required" />
						<xs:attribute name="y" type="xs:date" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDttmMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:dateTime" use="required" />
						<xs:attribute name="y" type="xs:gMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	
	<xs:complexType name="pointsDtDtType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:date" use="required" />
						<xs:attribute name="y" type="xs:date" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDtDttmType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:date" use="required" />
						<xs:attribute name="y" type="xs:dateTime" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDtDblType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:date" use="required" />
						<xs:attribute name="y" type="xs:double" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDtIntType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:date" use="required" />
						<xs:attribute name="y" type="xs:int" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsDtMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:date" use="required" />
						<xs:attribute name="y" type="xs:gMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	
	<xs:complexType name="pointsMonthIntType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:gMonth" use="required" />
						<xs:attribute name="y" type="xs:int" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsMonthDblType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:gMonth" use="required" />
						<xs:attribute name="y" type="xs:double" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsMonthDttmType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:gMonth" use="required" />
						<xs:attribute name="y" type="xs:dateTime" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsMonthDtType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:gMonth" use="required" />
						<xs:attribute name="y" type="xs:date" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
	<xs:complexType name="pointsMonthMonthType">
			<xs:sequence>
				<xs:element minOccurs="1" maxOccurs="unbounded" name="Point">
					<xs:complexType>
						<xs:attribute name="x" type="xs:gMonth" use="required" />
						<xs:attribute name="y" type="xs:gMonth" use="required" />
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		<xs:attributeGroup ref="pointSetAttributes"/>
	</xs:complexType>
</xs:schema>

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Oleg V. Polikarpotchkin

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Russian Federation

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Generic Data Points Series XML format and its validated loading with LINQ to XML

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