/// <summary>
/// Load the particle constraint from the specified data in binary database.
/// </summary>
/// <param name="sdbSchemaTpye">The data in binary database.</param>
/// <returns>The particle constraint in ParticleConstraint.</returns>
private ParticleConstraint BuildParticleConstraint(SdbSchemaType sdbSchemaTpye)
{
Debug.Assert(sdbSchemaTpye != null);
if (sdbSchemaTpye.IsCompositeType)
{
var particleConstraint = BuildParticleConstraint(sdbSchemaTpye.ParticleIndex);
Debug.Assert(particleConstraint.ParticleType == ParticleType.All || particleConstraint.ParticleType == ParticleType.Any ||
particleConstraint.ParticleType == ParticleType.Choice || particleConstraint.ParticleType == ParticleType.Sequence ||
particleConstraint.ParticleType == ParticleType.Group); // <xsd:group ref="..." /> is valid under <xsd:complexType>
Debug.Assert(particleConstraint.ElementId == SdbData.InvalidId);
return(particleConstraint);
}
return(null);
}
/// <summary>
/// Load the attribute constraints and simple type constraint for attributes for the schema type.
/// </summary>
/// <param name="sdbSchemaTpye"></param>
/// <returns></returns>
private AttributeConstraint[] BuildAttributeConstraint(SdbSchemaType sdbSchemaTpye)
{
Debug.Assert(sdbSchemaTpye != null);
if (sdbSchemaTpye.AttributesCount > 0)
{
int count = sdbSchemaTpye.AttributesCount;
var attributeConstraints = new AttributeConstraint[count];
SdbIndex sdbIndex = sdbSchemaTpye.StartIndexOfAttributes;
for (int i = 0; i < count; i++)
{
var sdbAttributeData = this.SdbAttributes[sdbIndex + i];
// then load the simple type constraint for this attribute
var simpleTypeIndex = sdbAttributeData.SimpleTypeIndex;
var simpleTypeConstraint = this.SimpleTypeRestrictions[simpleTypeIndex];
attributeConstraints[i] = new AttributeConstraint(sdbAttributeData.AttributeUse, simpleTypeConstraint, (FileFormatVersions)(sdbAttributeData.FileFormatVersion));
}
return(attributeConstraints);
}
return(null);
}