GroupProj.xsd

<?xml version="1.0" encoding="utf-8"?>
<!-- This very small subset of "http://schemas.microsoft.com/developer/msbuild/2003".
     Normally that namespace is defined in Microsoft.Build.xsd/Microsoft.Build.Core.xsd/Microsoft.Build.Commontypes.xsd.

     Actually this subset is not a trimmed down version of the original, but started from scracth to 
     only contains types used by Delphi/RAD Studio/C++ Builder.

     In the future, I might add some better restrictions here and there, but so far it is sufficient engough to
     - validate .groupproj documents
     - use the Delphi XML Data Binding Wizard to generate a Delphi unit that allows generation and reading of .groupproj files.

     The default values for `minOccurs` and `maxOccurs` are 1, so make `maxOccurs` larger to allow `repeating` in the Delphi XML Data Binding Wizard.
-->
<xsd:schema attributeFormDefault="unqualified" elementFormDefault="qualified" version="1.0"
  targetNamespace="http://schemas.microsoft.com/developer/msbuild/2003"
  xmlns="http://schemas.microsoft.com/developer/msbuild/2003"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:element name="Project" type="ProjectType"/>
  <xsd:complexType name="ProjectType">
    <xsd:sequence>
      <xsd:element name="PropertyGroup" type="PropertyGroupType"/>
      <!-- Delphi XE2 sometimes has an empty `ItemGroup` element -->
      <xsd:element name="ItemGroup" type="ItemGroupType" minOccurs="0" maxOccurs="unbounded"/>
      <xsd:element name="ProjectExtensions" type="ProjectExtensionsType"/>
      <xsd:element name="Target" type="TargetType" maxOccurs="unbounded"/>
      <xsd:element name="Import" type="ImportType"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="ImportType">
    <xsd:attribute name="Project" type="xsd:string"/>
    <xsd:attribute name="Condition" type="xsd:string"/>
  </xsd:complexType>
  <xsd:complexType name="TargetType">
    <xsd:sequence>
      <xsd:choice>
        <xsd:element name="MSBuild" type="MSBuildType"/>
        <xsd:element name="CallTarget" type="CallTargetType"/>
      </xsd:choice>
    </xsd:sequence>
    <xsd:attribute name="DependsOnTargets" type="xsd:string" use="optional"/>
    <xsd:attribute name="Name" type="xsd:string"/>
  </xsd:complexType>
  <xsd:complexType name="MSBuildType">
    <xsd:attribute name="Projects" type="xsd:string"/>
    <!-- http://www.infopathdev.com/blogs/greg/archive/2004/09/16/The-Difference-Between-Optional-and-Not-Required.aspx -->
    <xsd:attribute name="Targets" type="xsd:string" use="optional"/>
  </xsd:complexType>
  <xsd:complexType name="CallTargetType">
    <xsd:attribute name="Targets" type="xsd:string"/>
  </xsd:complexType>
  <xsd:complexType name="ProjectExtensionsType">
    <xsd:sequence>
      <xsd:element name="Borland.Personality" type="xsd:string"/>
      <xsd:element name="Borland.ProjectType" type="xsd:string"/>
      <xsd:element name="BorlandProject" type="BorlandProjectType"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="BorlandProjectType">
    <xsd:choice>
      <xsd:sequence>
        <xsd:element name="Default.Personality" type="xsd:string"/>
      </xsd:sequence>
      <!-- Delphi 2010 can have a nested `BorlandProject` element -->
      <xsd:element name="BorlandProject" type="BorlandProjectType"/>
    </xsd:choice>
  </xsd:complexType>
  <xsd:complexType name="ItemGroupType">
    <xsd:sequence>
      <xsd:element name="Projects" type="ProjectsType" minOccurs="0" maxOccurs="unbounded"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="ProjectsType">
    <xsd:sequence>
      <xsd:element name="Dependencies" type="xsd:string"/>
    </xsd:sequence>
    <xsd:attribute name="Include" type="xsd:string"/>
  </xsd:complexType>
  <xsd:complexType name="PropertyGroupType">
    <xsd:sequence>
      <xsd:element name="ProjectGuid" type="guid"/>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="guid">
    <xsd:annotation>
      <xsd:documentation xml:lang="en">
        The representation of a GUID, generally the id of an element.
      </xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="\{[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}\}"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>