Numeric2FacetsChecker.cs

Go to the documentation of this file.

using System.Collections;
 
namespace System.Xml.Schema;
 
internal sealed class Numeric2FacetsChecker : FacetsChecker
{
    internal override Exception CheckValueFacets(object value, XmlSchemaDatatype datatype)
    {
        double value2 = datatype.ValueConverter.ToDouble(value);
        return CheckValueFacets(value2, datatype);
    }
 
    internal override Exception CheckValueFacets(double value, XmlSchemaDatatype datatype)
    {
        RestrictionFacets restriction = datatype.Restriction;
        RestrictionFlags restrictionFlags = restriction?.Flags ?? ((RestrictionFlags)0);
        XmlValueConverter valueConverter = datatype.ValueConverter;
        if ((restrictionFlags & RestrictionFlags.MaxInclusive) != 0 && value > valueConverter.ToDouble(restriction.MaxInclusive))
        {
            return new XmlSchemaException(System.SR.Sch_MaxInclusiveConstraintFailed, string.Empty);
        }
        if ((restrictionFlags & RestrictionFlags.MaxExclusive) != 0 && value >= valueConverter.ToDouble(restriction.MaxExclusive))
        {
            return new XmlSchemaException(System.SR.Sch_MaxExclusiveConstraintFailed, string.Empty);
        }
        if ((restrictionFlags & RestrictionFlags.MinInclusive) != 0 && value < valueConverter.ToDouble(restriction.MinInclusive))
        {
            return new XmlSchemaException(System.SR.Sch_MinInclusiveConstraintFailed, string.Empty);
        }
        if ((restrictionFlags & RestrictionFlags.MinExclusive) != 0 && value <= valueConverter.ToDouble(restriction.MinExclusive))
        {
            return new XmlSchemaException(System.SR.Sch_MinExclusiveConstraintFailed, string.Empty);
        }
        if ((restrictionFlags & RestrictionFlags.Enumeration) != 0 && !MatchEnumeration(value, restriction.Enumeration, valueConverter))
        {
            return new XmlSchemaException(System.SR.Sch_EnumerationConstraintFailed, string.Empty);
        }
        return null;
    }
 
    internal override Exception CheckValueFacets(float value, XmlSchemaDatatype datatype)
    {
        double value2 = value;
        return CheckValueFacets(value2, datatype);
    }
 
    internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
    {
        return MatchEnumeration(datatype.ValueConverter.ToDouble(value), enumeration, datatype.ValueConverter);
    }
 
    private bool MatchEnumeration(double value, ArrayList enumeration, XmlValueConverter valueConverter)
    {
        for (int i = 0; i < enumeration.Count; i++)
        {
            if (value == valueConverter.ToDouble(enumeration[i]))
            {
                return true;
            }
        }
        return false;
    }
}