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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Collections;
using System.ComponentModel;
using System.Diagnostics;
using System.Globalization;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Xml.Schema;
using System.Xml.Serialization;
using System.Xml.XPath;
namespace System.Xml.Schema
{
internal abstract class FacetsChecker
{
private struct FacetsCompiler
{
private readonly DatatypeImplementation _datatype;
private readonly RestrictionFacets _derivedRestriction;
private readonly RestrictionFlags _baseFlags;
private readonly RestrictionFlags _baseFixedFlags;
private readonly RestrictionFlags _validRestrictionFlags;
//Helpers
private readonly XmlSchemaDatatype _nonNegativeInt;
private readonly XmlSchemaDatatype _builtInType;
private readonly XmlTypeCode _builtInEnum;
private bool _firstPattern;
private StringBuilder? _regStr;
private XmlSchemaPatternFacet? _pattern_facet;
public FacetsCompiler(DatatypeImplementation baseDatatype, RestrictionFacets restriction)
{
_firstPattern = true;
_regStr = null;
_pattern_facet = null;
_datatype = baseDatatype;
_derivedRestriction = restriction;
_baseFlags = _datatype.Restriction != null ? _datatype.Restriction.Flags : 0;
_baseFixedFlags = _datatype.Restriction != null ? _datatype.Restriction.FixedFlags : 0;
_validRestrictionFlags = _datatype.ValidRestrictionFlags;
_nonNegativeInt = DatatypeImplementation.GetSimpleTypeFromTypeCode(XmlTypeCode.NonNegativeInteger).Datatype!;
_builtInEnum = !(_datatype is Datatype_union || _datatype is Datatype_List) ? _datatype.TypeCode : 0;
_builtInType = (int)_builtInEnum > 0 ? DatatypeImplementation.GetSimpleTypeFromTypeCode(_builtInEnum).Datatype! : _datatype;
}
internal void CompileLengthFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.Length, SR.Sch_LengthFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.Length, SR.Sch_DupLengthFacet);
_derivedRestriction.Length = XmlBaseConverter.DecimalToInt32((decimal)ParseFacetValue(_nonNegativeInt, facet, SR.Sch_LengthFacetInvalid, null, null));
if ((_baseFixedFlags & RestrictionFlags.Length) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.Length, _derivedRestriction.Length))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
if ((_baseFlags & RestrictionFlags.Length) != 0)
{
if (_datatype.Restriction!.Length < _derivedRestriction.Length)
{
throw new XmlSchemaException(SR.Sch_LengthGtBaseLength, facet);
}
}
// If the base has the MinLength facet, check that our derived length is not violating it
if ((_baseFlags & RestrictionFlags.MinLength) != 0)
{
if (_datatype.Restriction!.MinLength > _derivedRestriction.Length)
{
throw new XmlSchemaException(SR.Sch_MaxMinLengthBaseLength, facet);
}
}
// If the base has the MaxLength facet, check that our derived length is not violating it
if ((_baseFlags & RestrictionFlags.MaxLength) != 0)
{
if (_datatype.Restriction!.MaxLength < _derivedRestriction.Length)
{
throw new XmlSchemaException(SR.Sch_MaxMinLengthBaseLength, facet);
}
}
SetFlag(facet, RestrictionFlags.Length);
}
internal void CompileMinLengthFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MinLength, SR.Sch_MinLengthFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MinLength, SR.Sch_DupMinLengthFacet);
_derivedRestriction.MinLength = XmlBaseConverter.DecimalToInt32((decimal)ParseFacetValue(_nonNegativeInt, facet, SR.Sch_MinLengthFacetInvalid, null, null));
if ((_baseFixedFlags & RestrictionFlags.MinLength) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MinLength, _derivedRestriction.MinLength))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
if ((_baseFlags & RestrictionFlags.MinLength) != 0)
{
if (_datatype.Restriction!.MinLength > _derivedRestriction.MinLength)
{
throw new XmlSchemaException(SR.Sch_MinLengthGtBaseMinLength, facet);
}
}
if ((_baseFlags & RestrictionFlags.Length) != 0)
{
if (_datatype.Restriction!.Length < _derivedRestriction.MinLength)
{
throw new XmlSchemaException(SR.Sch_MaxMinLengthBaseLength, facet);
}
}
SetFlag(facet, RestrictionFlags.MinLength);
}
internal void CompileMaxLengthFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MaxLength, SR.Sch_MaxLengthFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MaxLength, SR.Sch_DupMaxLengthFacet);
_derivedRestriction.MaxLength = XmlBaseConverter.DecimalToInt32((decimal)ParseFacetValue(_nonNegativeInt, facet, SR.Sch_MaxLengthFacetInvalid, null, null));
if ((_baseFixedFlags & RestrictionFlags.MaxLength) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MaxLength, _derivedRestriction.MaxLength))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
if ((_baseFlags & RestrictionFlags.MaxLength) != 0)
{
if (_datatype.Restriction!.MaxLength < _derivedRestriction.MaxLength)
{
throw new XmlSchemaException(SR.Sch_MaxLengthGtBaseMaxLength, facet);
}
}
if ((_baseFlags & RestrictionFlags.Length) != 0)
{
if (_datatype.Restriction!.Length > _derivedRestriction.MaxLength)
{
throw new XmlSchemaException(SR.Sch_MaxMinLengthBaseLength, facet);
}
}
SetFlag(facet, RestrictionFlags.MaxLength);
}
internal void CompilePatternFacet(XmlSchemaPatternFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.Pattern, SR.Sch_PatternFacetProhibited);
if (_firstPattern)
{
_regStr = new StringBuilder();
_regStr.Append('(');
_regStr.Append(facet.Value);
_pattern_facet = facet;
_firstPattern = false;
}
else
{
_regStr!.Append(")|(");
_regStr.Append(facet.Value);
}
SetFlag(facet, RestrictionFlags.Pattern);
}
internal void CompileEnumerationFacet(XmlSchemaFacet facet, IXmlNamespaceResolver nsmgr, XmlNameTable nameTable)
{
CheckProhibitedFlag(facet, RestrictionFlags.Enumeration, SR.Sch_EnumerationFacetProhibited);
_derivedRestriction.Enumeration ??= new ArrayList();
_derivedRestriction.Enumeration.Add(ParseFacetValue(_datatype, facet, SR.Sch_EnumerationFacetInvalid, nsmgr, nameTable));
SetFlag(facet, RestrictionFlags.Enumeration);
}
internal void CompileWhitespaceFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.WhiteSpace, SR.Sch_WhiteSpaceFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.WhiteSpace, SR.Sch_DupWhiteSpaceFacet);
if (facet.Value == "preserve")
{
_derivedRestriction.WhiteSpace = XmlSchemaWhiteSpace.Preserve;
}
else if (facet.Value == "replace")
{
_derivedRestriction.WhiteSpace = XmlSchemaWhiteSpace.Replace;
}
else if (facet.Value == "collapse")
{
_derivedRestriction.WhiteSpace = XmlSchemaWhiteSpace.Collapse;
}
else
{
throw new XmlSchemaException(SR.Sch_InvalidWhiteSpace, facet.Value, facet);
}
if ((_baseFixedFlags & RestrictionFlags.WhiteSpace) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.WhiteSpace, _derivedRestriction.WhiteSpace))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
//Check base and derived whitespace facets
XmlSchemaWhiteSpace baseWhitespace;
if ((_baseFlags & RestrictionFlags.WhiteSpace) != 0)
{
baseWhitespace = _datatype.Restriction!.WhiteSpace;
}
else
{
baseWhitespace = _datatype.BuiltInWhitespaceFacet;
}
if (baseWhitespace == XmlSchemaWhiteSpace.Collapse &&
(_derivedRestriction.WhiteSpace == XmlSchemaWhiteSpace.Replace || _derivedRestriction.WhiteSpace == XmlSchemaWhiteSpace.Preserve)
)
{
throw new XmlSchemaException(SR.Sch_WhiteSpaceRestriction1, facet);
}
if (baseWhitespace == XmlSchemaWhiteSpace.Replace &&
_derivedRestriction.WhiteSpace == XmlSchemaWhiteSpace.Preserve
)
{
throw new XmlSchemaException(SR.Sch_WhiteSpaceRestriction2, facet);
}
SetFlag(facet, RestrictionFlags.WhiteSpace);
}
internal void CompileMaxInclusiveFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MaxInclusive, SR.Sch_MaxInclusiveFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MaxInclusive, SR.Sch_DupMaxInclusiveFacet);
_derivedRestriction.MaxInclusive = ParseFacetValue(_builtInType, facet, SR.Sch_MaxInclusiveFacetInvalid, null, null);
if ((_baseFixedFlags & RestrictionFlags.MaxInclusive) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MaxInclusive!, _derivedRestriction.MaxInclusive))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
CheckValue(_derivedRestriction.MaxInclusive, facet);
SetFlag(facet, RestrictionFlags.MaxInclusive);
}
internal void CompileMaxExclusiveFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MaxExclusive, SR.Sch_MaxExclusiveFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MaxExclusive, SR.Sch_DupMaxExclusiveFacet);
_derivedRestriction.MaxExclusive = ParseFacetValue(_builtInType, facet, SR.Sch_MaxExclusiveFacetInvalid, null, null);
if ((_baseFixedFlags & RestrictionFlags.MaxExclusive) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MaxExclusive!, _derivedRestriction.MaxExclusive))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
CheckValue(_derivedRestriction.MaxExclusive, facet);
SetFlag(facet, RestrictionFlags.MaxExclusive);
}
internal void CompileMinInclusiveFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MinInclusive, SR.Sch_MinInclusiveFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MinInclusive, SR.Sch_DupMinInclusiveFacet);
_derivedRestriction.MinInclusive = ParseFacetValue(_builtInType, facet, SR.Sch_MinInclusiveFacetInvalid, null, null);
if ((_baseFixedFlags & RestrictionFlags.MinInclusive) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MinInclusive!, _derivedRestriction.MinInclusive))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
CheckValue(_derivedRestriction.MinInclusive, facet);
SetFlag(facet, RestrictionFlags.MinInclusive);
}
internal void CompileMinExclusiveFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.MinExclusive, SR.Sch_MinExclusiveFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.MinExclusive, SR.Sch_DupMinExclusiveFacet);
_derivedRestriction.MinExclusive = ParseFacetValue(_builtInType, facet, SR.Sch_MinExclusiveFacetInvalid, null, null);
if ((_baseFixedFlags & RestrictionFlags.MinExclusive) != 0)
{
if (!_datatype.IsEqual(_datatype.Restriction!.MinExclusive!, _derivedRestriction.MinExclusive))
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
CheckValue(_derivedRestriction.MinExclusive, facet);
SetFlag(facet, RestrictionFlags.MinExclusive);
}
internal void CompileTotalDigitsFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.TotalDigits, SR.Sch_TotalDigitsFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.TotalDigits, SR.Sch_DupTotalDigitsFacet);
XmlSchemaDatatype positiveInt = DatatypeImplementation.GetSimpleTypeFromTypeCode(XmlTypeCode.PositiveInteger).Datatype!;
_derivedRestriction.TotalDigits = XmlBaseConverter.DecimalToInt32((decimal)ParseFacetValue(positiveInt, facet, SR.Sch_TotalDigitsFacetInvalid, null, null));
if ((_baseFixedFlags & RestrictionFlags.TotalDigits) != 0)
{
if (_datatype.Restriction!.TotalDigits != _derivedRestriction.TotalDigits)
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
if ((_baseFlags & RestrictionFlags.TotalDigits) != 0)
{
if (_derivedRestriction.TotalDigits > _datatype.Restriction!.TotalDigits)
{
throw new XmlSchemaException(SR.Sch_TotalDigitsMismatch, string.Empty);
}
}
SetFlag(facet, RestrictionFlags.TotalDigits);
}
internal void CompileFractionDigitsFacet(XmlSchemaFacet facet)
{
CheckProhibitedFlag(facet, RestrictionFlags.FractionDigits, SR.Sch_FractionDigitsFacetProhibited);
CheckDupFlag(facet, RestrictionFlags.FractionDigits, SR.Sch_DupFractionDigitsFacet);
_derivedRestriction.FractionDigits = XmlBaseConverter.DecimalToInt32((decimal)ParseFacetValue(_nonNegativeInt, facet, SR.Sch_FractionDigitsFacetInvalid, null, null));
if ((_derivedRestriction.FractionDigits != 0) && (_datatype.TypeCode != XmlTypeCode.Decimal))
{
throw new XmlSchemaException(SR.Sch_FractionDigitsFacetInvalid, SR.Sch_FractionDigitsNotOnDecimal, facet);
}
if ((_baseFixedFlags & RestrictionFlags.FractionDigits) != 0)
{
if (_datatype.Restriction!.FractionDigits != _derivedRestriction.FractionDigits)
{
throw new XmlSchemaException(SR.Sch_FacetBaseFixed, facet);
}
}
if ((_baseFlags & RestrictionFlags.FractionDigits) != 0)
{
if (_derivedRestriction.FractionDigits > _datatype.Restriction!.FractionDigits)
{
throw new XmlSchemaException(SR.Sch_FractionDigitsMismatch, string.Empty);
}
}
SetFlag(facet, RestrictionFlags.FractionDigits);
}
internal void FinishFacetCompile()
{
//Additional check for pattern facet
//If facet is XMLSchemaPattern, then the String built inside the loop
//needs to be converted to a RegEx
if (_firstPattern == false)
{
_derivedRestriction.Patterns ??= new ArrayList();
try
{
_regStr!.Append(')');
string tempStr = _regStr.ToString();
if (tempStr.Contains('|'))
{ // ordinal compare
_regStr.Insert(0, '(');
_regStr.Append(')');
}
_derivedRestriction.Patterns.Add(new Regex(Preprocess(_regStr.ToString())));
}
catch (Exception e)
{
throw new XmlSchemaException(SR.Sch_PatternFacetInvalid, new string[] { e.Message }, e, _pattern_facet!.SourceUri, _pattern_facet.LineNumber, _pattern_facet.LinePosition, _pattern_facet);
}
}
}
private void CheckValue(object value, XmlSchemaFacet facet)
{
RestrictionFacets? restriction = _datatype.Restriction;
switch (facet.FacetType)
{
case FacetType.MaxInclusive:
if ((_baseFlags & RestrictionFlags.MaxInclusive) != 0)
{ //Base facet has maxInclusive
if (_datatype.Compare(value, restriction!.MaxInclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MaxInclusiveMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MaxExclusive) != 0)
{ //Base facet has maxExclusive
if (_datatype.Compare(value, restriction!.MaxExclusive!) >= 0)
{
throw new XmlSchemaException(SR.Sch_MaxIncExlMismatch, string.Empty);
}
}
break;
case FacetType.MaxExclusive:
if ((_baseFlags & RestrictionFlags.MaxExclusive) != 0)
{ //Base facet has maxExclusive
if (_datatype.Compare(value, restriction!.MaxExclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MaxExclusiveMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MaxInclusive) != 0)
{ //Base facet has maxInclusive
if (_datatype.Compare(value, restriction!.MaxInclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MaxExlIncMismatch, string.Empty);
}
}
break;
case FacetType.MinInclusive:
if ((_baseFlags & RestrictionFlags.MinInclusive) != 0)
{ //Base facet has minInclusive
if (_datatype.Compare(value, restriction!.MinInclusive!) < 0)
{
throw new XmlSchemaException(SR.Sch_MinInclusiveMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MinExclusive) != 0)
{ //Base facet has minExclusive
if (_datatype.Compare(value, restriction!.MinExclusive!) < 0)
{
throw new XmlSchemaException(SR.Sch_MinIncExlMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MaxExclusive) != 0)
{ //Base facet has maxExclusive
if (_datatype.Compare(value, restriction!.MaxExclusive!) >= 0)
{
throw new XmlSchemaException(SR.Sch_MinIncMaxExlMismatch, string.Empty);
}
}
break;
case FacetType.MinExclusive:
if ((_baseFlags & RestrictionFlags.MinExclusive) != 0)
{ //Base facet has minExclusive
if (_datatype.Compare(value, restriction!.MinExclusive!) < 0)
{
throw new XmlSchemaException(SR.Sch_MinExclusiveMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MinInclusive) != 0)
{ //Base facet has minInclusive
if (_datatype.Compare(value, restriction!.MinInclusive!) < 0)
{
throw new XmlSchemaException(SR.Sch_MinExlIncMismatch, string.Empty);
}
}
if ((_baseFlags & RestrictionFlags.MaxExclusive) != 0)
{ //Base facet has maxExclusive
if (_datatype.Compare(value, restriction!.MaxExclusive!) >= 0)
{
throw new XmlSchemaException(SR.Sch_MinExlMaxExlMismatch, string.Empty);
}
}
break;
default:
Debug.Fail($"Unexpected facet type {facet.FacetType}");
break;
}
}
internal void CompileFacetCombinations()
{
//They are not allowed on the same type but allowed on derived types.
if (
(_derivedRestriction.Flags & RestrictionFlags.MaxInclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxExclusive) != 0
)
{
throw new XmlSchemaException(SR.Sch_MaxInclusiveExclusive, string.Empty);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinInclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MinExclusive) != 0
)
{
throw new XmlSchemaException(SR.Sch_MinInclusiveExclusive, string.Empty);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.Length) != 0 &&
(_derivedRestriction.Flags & (RestrictionFlags.MinLength | RestrictionFlags.MaxLength)) != 0
)
{
throw new XmlSchemaException(SR.Sch_LengthAndMinMax, string.Empty);
}
CopyFacetsFromBaseType();
// Check combinations
if (
(_derivedRestriction.Flags & RestrictionFlags.MinLength) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxLength) != 0
)
{
if (_derivedRestriction.MinLength > _derivedRestriction.MaxLength)
{
throw new XmlSchemaException(SR.Sch_MinLengthGtMaxLength, string.Empty);
}
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinInclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxInclusive) != 0
)
{
if (_datatype.Compare(_derivedRestriction.MinInclusive!, _derivedRestriction.MaxInclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MinInclusiveGtMaxInclusive, string.Empty);
}
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinInclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxExclusive) != 0
)
{
if (_datatype.Compare(_derivedRestriction.MinInclusive!, _derivedRestriction.MaxExclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MinInclusiveGtMaxExclusive, string.Empty);
}
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinExclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxExclusive) != 0
)
{
if (_datatype.Compare(_derivedRestriction.MinExclusive!, _derivedRestriction.MaxExclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MinExclusiveGtMaxExclusive, string.Empty);
}
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinExclusive) != 0 &&
(_derivedRestriction.Flags & RestrictionFlags.MaxInclusive) != 0
)
{
if (_datatype.Compare(_derivedRestriction.MinExclusive!, _derivedRestriction.MaxInclusive!) > 0)
{
throw new XmlSchemaException(SR.Sch_MinExclusiveGtMaxInclusive, string.Empty);
}
}
if ((_derivedRestriction.Flags & (RestrictionFlags.TotalDigits | RestrictionFlags.FractionDigits)) == (RestrictionFlags.TotalDigits | RestrictionFlags.FractionDigits))
{
if (_derivedRestriction.FractionDigits > _derivedRestriction.TotalDigits)
{
throw new XmlSchemaException(SR.Sch_FractionDigitsGtTotalDigits, string.Empty);
}
}
}
private void CopyFacetsFromBaseType()
{
RestrictionFacets baseRestriction = _datatype.Restriction!;
// Copy additional facets from the base type
if (
(_derivedRestriction.Flags & RestrictionFlags.Length) == 0 &&
(_baseFlags & RestrictionFlags.Length) != 0
)
{
_derivedRestriction.Length = baseRestriction.Length;
SetFlag(RestrictionFlags.Length);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinLength) == 0 &&
(_baseFlags & RestrictionFlags.MinLength) != 0
)
{
_derivedRestriction.MinLength = baseRestriction.MinLength;
SetFlag(RestrictionFlags.MinLength);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MaxLength) == 0 &&
(_baseFlags & RestrictionFlags.MaxLength) != 0
)
{
_derivedRestriction.MaxLength = baseRestriction.MaxLength;
SetFlag(RestrictionFlags.MaxLength);
}
if ((_baseFlags & RestrictionFlags.Pattern) != 0)
{
if (_derivedRestriction.Patterns == null)
{
_derivedRestriction.Patterns = baseRestriction.Patterns;
}
else
{
_derivedRestriction.Patterns.AddRange(baseRestriction.Patterns!);
}
SetFlag(RestrictionFlags.Pattern);
}
if ((_baseFlags & RestrictionFlags.Enumeration) != 0)
{
_derivedRestriction.Enumeration ??= baseRestriction.Enumeration;
SetFlag(RestrictionFlags.Enumeration);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.WhiteSpace) == 0 &&
(_baseFlags & RestrictionFlags.WhiteSpace) != 0
)
{
_derivedRestriction.WhiteSpace = baseRestriction.WhiteSpace;
SetFlag(RestrictionFlags.WhiteSpace);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MaxInclusive) == 0 &&
(_baseFlags & RestrictionFlags.MaxInclusive) != 0
)
{
_derivedRestriction.MaxInclusive = baseRestriction.MaxInclusive;
SetFlag(RestrictionFlags.MaxInclusive);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MaxExclusive) == 0 &&
(_baseFlags & RestrictionFlags.MaxExclusive) != 0
)
{
_derivedRestriction.MaxExclusive = baseRestriction.MaxExclusive;
SetFlag(RestrictionFlags.MaxExclusive);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinInclusive) == 0 &&
(_baseFlags & RestrictionFlags.MinInclusive) != 0
)
{
_derivedRestriction.MinInclusive = baseRestriction.MinInclusive;
SetFlag(RestrictionFlags.MinInclusive);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.MinExclusive) == 0 &&
(_baseFlags & RestrictionFlags.MinExclusive) != 0
)
{
_derivedRestriction.MinExclusive = baseRestriction.MinExclusive;
SetFlag(RestrictionFlags.MinExclusive);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.TotalDigits) == 0 &&
(_baseFlags & RestrictionFlags.TotalDigits) != 0
)
{
_derivedRestriction.TotalDigits = baseRestriction.TotalDigits;
SetFlag(RestrictionFlags.TotalDigits);
}
if (
(_derivedRestriction.Flags & RestrictionFlags.FractionDigits) == 0 &&
(_baseFlags & RestrictionFlags.FractionDigits) != 0
)
{
_derivedRestriction.FractionDigits = baseRestriction.FractionDigits;
SetFlag(RestrictionFlags.FractionDigits);
}
}
private static object ParseFacetValue(XmlSchemaDatatype datatype, XmlSchemaFacet facet, string code, IXmlNamespaceResolver? nsmgr, XmlNameTable? nameTable)
{
object? typedValue;
Exception? ex = datatype.TryParseValue(facet.Value!, nameTable, nsmgr, out typedValue);
if (ex == null)
{
return typedValue!;
}
else
{
throw new XmlSchemaException(code, new string[] { ex.Message }, ex, facet.SourceUri, facet.LineNumber, facet.LinePosition, facet);
}
}
private struct Map
{
internal Map(char m, string r)
{
match = m;
replacement = r;
}
internal char match;
internal string replacement;
};
private static readonly Map[] s_map = {
new Map('c', "\\p{_xmlC}"),
new Map('C', "\\P{_xmlC}"),
new Map('d', "\\p{_xmlD}"),
new Map('D', "\\P{_xmlD}"),
new Map('i', "\\p{_xmlI}"),
new Map('I', "\\P{_xmlI}"),
new Map('w', "\\p{_xmlW}"),
new Map('W', "\\P{_xmlW}"),
};
private static string Preprocess(string pattern)
{
StringBuilder bufBld = new StringBuilder();
bufBld.Append('^');
int length = pattern.Length;
int copyPosition = 0;
for (int position = 0; position < length - 2; position++)
{
if (pattern[position] == '\\')
{
if (pattern[position + 1] == '\\')
{
position++; // skip it
}
else
{
char ch = pattern[position + 1];
for (int i = 0; i < s_map.Length; i++)
{
if (s_map[i].match == ch)
{
if (copyPosition < position)
{
bufBld.Append(pattern, copyPosition, position - copyPosition);
}
bufBld.Append(s_map[i].replacement);
position++;
copyPosition = position + 1;
break;
}
}
}
}
}
if (copyPosition < length)
{
bufBld.Append(pattern, copyPosition, length - copyPosition);
}
bufBld.Append('$');
return bufBld.ToString();
}
private void CheckProhibitedFlag(XmlSchemaFacet facet, RestrictionFlags flag, string errorCode)
{
if ((_validRestrictionFlags & flag) == 0)
{
throw new XmlSchemaException(errorCode, _datatype.TypeCodeString, facet);
}
}
private void CheckDupFlag(XmlSchemaFacet facet, RestrictionFlags flag, string errorCode)
{
if ((_derivedRestriction.Flags & flag) != 0)
{
throw new XmlSchemaException(errorCode, facet);
}
}
private void SetFlag(XmlSchemaFacet facet, RestrictionFlags flag)
{
_derivedRestriction.Flags |= flag;
if (facet.IsFixed)
{
_derivedRestriction.FixedFlags |= flag;
}
}
private void SetFlag(RestrictionFlags flag)
{
_derivedRestriction.Flags |= flag;
if ((_baseFixedFlags & flag) != 0)
{
_derivedRestriction.FixedFlags |= flag;
}
}
}
internal virtual Exception? CheckLexicalFacets(ref string parseString, XmlSchemaDatatype datatype)
{
CheckWhitespaceFacets(ref parseString, datatype);
return CheckPatternFacets(datatype.Restriction, parseString);
}
internal virtual Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(decimal value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(long value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(int value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(short value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(DateTime value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(double value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(float value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(string value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(byte[] value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(TimeSpan value, XmlSchemaDatatype datatype)
{
return null;
}
internal virtual Exception? CheckValueFacets(XmlQualifiedName value, XmlSchemaDatatype datatype)
{
return null;
}
internal static void CheckWhitespaceFacets(ref string s, XmlSchemaDatatype datatype)
{
// before parsing, check whitespace facet
RestrictionFacets? restriction = datatype.Restriction;
switch (datatype.Variety)
{
case XmlSchemaDatatypeVariety.List:
s = s.Trim();
break;
case XmlSchemaDatatypeVariety.Atomic:
if (datatype.BuiltInWhitespaceFacet == XmlSchemaWhiteSpace.Collapse)
{
s = XmlComplianceUtil.NonCDataNormalize(s);
}
else if (datatype.BuiltInWhitespaceFacet == XmlSchemaWhiteSpace.Replace)
{
s = XmlComplianceUtil.CDataNormalize(s);
}
else if (restriction != null && (restriction.Flags & RestrictionFlags.WhiteSpace) != 0)
{ //Restriction has whitespace facet specified
if (restriction.WhiteSpace == XmlSchemaWhiteSpace.Replace)
{
s = XmlComplianceUtil.CDataNormalize(s);
}
else if (restriction.WhiteSpace == XmlSchemaWhiteSpace.Collapse)
{
s = XmlComplianceUtil.NonCDataNormalize(s);
}
}
break;
default:
break;
}
}
internal static Exception? CheckPatternFacets(RestrictionFacets? restriction, string value)
{
if (restriction != null && (restriction.Flags & RestrictionFlags.Pattern) != 0)
{
for (int i = 0; i < restriction.Patterns!.Count; ++i)
{
Regex regex = (Regex)restriction.Patterns[i]!;
if (!regex.IsMatch(value))
{
return new XmlSchemaException(SR.Sch_PatternConstraintFailed, string.Empty);
}
}
}
return null;
}
internal virtual bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return false;
}
//Compile-time Facet Checking
internal virtual RestrictionFacets ConstructRestriction(DatatypeImplementation datatype, XmlSchemaObjectCollection facets, XmlNameTable nameTable)
{
//Datatype is the type on which this method is called
RestrictionFacets derivedRestriction = new RestrictionFacets();
FacetsCompiler facetCompiler = new FacetsCompiler(datatype, derivedRestriction);
for (int i = 0; i < facets.Count; ++i)
{
XmlSchemaFacet facet = (XmlSchemaFacet)facets[i];
if (facet.Value == null)
{
throw new XmlSchemaException(SR.Sch_InvalidFacet, facet);
}
IXmlNamespaceResolver nsmgr = new SchemaNamespaceManager(facet);
switch (facet.FacetType)
{
case FacetType.Length:
facetCompiler.CompileLengthFacet(facet);
break;
case FacetType.MinLength:
facetCompiler.CompileMinLengthFacet(facet);
break;
case FacetType.MaxLength:
facetCompiler.CompileMaxLengthFacet(facet);
break;
case FacetType.Pattern:
facetCompiler.CompilePatternFacet((facet as XmlSchemaPatternFacet)!);
break;
case FacetType.Enumeration:
facetCompiler.CompileEnumerationFacet(facet, nsmgr, nameTable);
break;
case FacetType.Whitespace:
facetCompiler.CompileWhitespaceFacet(facet);
break;
case FacetType.MinInclusive:
facetCompiler.CompileMinInclusiveFacet(facet);
break;
case FacetType.MinExclusive:
facetCompiler.CompileMinExclusiveFacet(facet);
break;
case FacetType.MaxInclusive:
facetCompiler.CompileMaxInclusiveFacet(facet);
break;
case FacetType.MaxExclusive:
facetCompiler.CompileMaxExclusiveFacet(facet);
break;
case FacetType.TotalDigits:
facetCompiler.CompileTotalDigitsFacet(facet);
break;
case FacetType.FractionDigits:
facetCompiler.CompileFractionDigitsFacet(facet);
break;
default:
throw new XmlSchemaException(SR.Sch_UnknownFacet, facet);
}
}
facetCompiler.FinishFacetCompile();
facetCompiler.CompileFacetCombinations();
return derivedRestriction;
}
internal static decimal Power(int x, int y)
{
//Returns X raised to the power Y
decimal returnValue = 1m;
decimal decimalValue = (decimal)x;
if (y > 28)
{ //CLR decimal cannot handle more than 29 digits (10 power 28.)
return decimal.MaxValue;
}
for (int i = 0; i < y; i++)
{
returnValue *= decimalValue;
}
return returnValue;
}
}
internal sealed class Numeric10FacetsChecker : FacetsChecker
{
private readonly decimal _maxValue;
private readonly decimal _minValue;
internal Numeric10FacetsChecker(decimal minVal, decimal maxVal)
{
_minValue = minVal;
_maxValue = maxVal;
}
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
decimal decimalValue = datatype.ValueConverter.ToDecimal(value);
return CheckValueFacets(decimalValue, datatype);
}
internal override Exception? CheckValueFacets(decimal value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
XmlValueConverter valueConverter = datatype.ValueConverter;
//Check built-in facets
if (value > _maxValue || value < _minValue)
{
return new OverflowException(SR.Format(SR.XmlConvert_Overflow, value.ToString(CultureInfo.InvariantCulture), datatype.TypeCodeString));
}
//Check user-defined facets
if (flags != 0)
{
Debug.Assert(restriction != null);
if ((flags & RestrictionFlags.MaxInclusive) != 0)
{
if (value > valueConverter.ToDecimal(restriction.MaxInclusive!))
{
return new XmlSchemaException(SR.Sch_MaxInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxExclusive) != 0)
{
if (value >= valueConverter.ToDecimal(restriction.MaxExclusive!))
{
return new XmlSchemaException(SR.Sch_MaxExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinInclusive) != 0)
{
if (value < valueConverter.ToDecimal(restriction.MinInclusive!))
{
return new XmlSchemaException(SR.Sch_MinInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinExclusive) != 0)
{
if (value <= valueConverter.ToDecimal(restriction.MinExclusive!))
{
return new XmlSchemaException(SR.Sch_MinExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction.Enumeration!, valueConverter))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return CheckTotalAndFractionDigits(value, restriction.TotalDigits, restriction.FractionDigits, ((flags & RestrictionFlags.TotalDigits) != 0), ((flags & RestrictionFlags.FractionDigits) != 0));
}
return null;
}
internal override Exception? CheckValueFacets(long value, XmlSchemaDatatype datatype)
{
decimal decimalValue = (decimal)value;
return CheckValueFacets(decimalValue, datatype);
}
internal override Exception? CheckValueFacets(int value, XmlSchemaDatatype datatype)
{
decimal decimalValue = (decimal)value;
return CheckValueFacets(decimalValue, datatype);
}
internal override Exception? CheckValueFacets(short value, XmlSchemaDatatype datatype)
{
decimal decimalValue = (decimal)value;
return CheckValueFacets(decimalValue, datatype);
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration(datatype.ValueConverter.ToDecimal(value), enumeration, datatype.ValueConverter);
}
internal static bool MatchEnumeration(decimal value, ArrayList enumeration, XmlValueConverter valueConverter)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (value == valueConverter.ToDecimal(enumeration[i]!))
{
return true;
}
}
return false;
}
internal static Exception? CheckTotalAndFractionDigits(decimal value, int totalDigits, int fractionDigits, bool checkTotal, bool checkFraction)
{
decimal maxValue = FacetsChecker.Power(10, totalDigits) - 1; //(decimal)Math.Pow(10, totalDigits) - 1 ;
int powerCnt = 0;
if (value < 0)
{
value = decimal.Negate(value); //Need to compare maxValue allowed against the absolute value
}
while (decimal.Truncate(value) != value)
{ //Till it has a fraction
value *= 10;
powerCnt++;
}
if (checkTotal && (value > maxValue || powerCnt > totalDigits))
{
return new XmlSchemaException(SR.Sch_TotalDigitsConstraintFailed, string.Empty);
}
if (checkFraction && powerCnt > fractionDigits)
{
return new XmlSchemaException(SR.Sch_FractionDigitsConstraintFailed, string.Empty);
}
return null;
}
}
internal sealed class Numeric2FacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
double doubleValue = datatype.ValueConverter.ToDouble(value);
return CheckValueFacets(doubleValue, datatype);
}
internal override Exception? CheckValueFacets(double value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
XmlValueConverter valueConverter = datatype.ValueConverter;
if ((flags & RestrictionFlags.MaxInclusive) != 0)
{
if (value > valueConverter.ToDouble(restriction!.MaxInclusive!))
{
return new XmlSchemaException(SR.Sch_MaxInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxExclusive) != 0)
{
if (value >= valueConverter.ToDouble(restriction!.MaxExclusive!))
{
return new XmlSchemaException(SR.Sch_MaxExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinInclusive) != 0)
{
if (value < (valueConverter.ToDouble(restriction!.MinInclusive!)))
{
return new XmlSchemaException(SR.Sch_MinInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinExclusive) != 0)
{
if (value <= valueConverter.ToDouble(restriction!.MinExclusive!))
{
return new XmlSchemaException(SR.Sch_MinExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, valueConverter))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return null;
}
internal override Exception? CheckValueFacets(float value, XmlSchemaDatatype datatype)
{
double doubleValue = (double)value;
return CheckValueFacets(doubleValue, datatype);
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration(datatype.ValueConverter.ToDouble(value), enumeration, datatype.ValueConverter);
}
private static 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;
}
}
internal sealed class DurationFacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
TimeSpan timeSpanValue = (TimeSpan)datatype.ValueConverter.ChangeType(value, typeof(TimeSpan));
return CheckValueFacets(timeSpanValue, datatype);
}
internal override Exception? CheckValueFacets(TimeSpan value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if ((flags & RestrictionFlags.MaxInclusive) != 0)
{
if (TimeSpan.Compare(value, (TimeSpan)restriction!.MaxInclusive!) > 0)
{
return new XmlSchemaException(SR.Sch_MaxInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxExclusive) != 0)
{
if (TimeSpan.Compare(value, (TimeSpan)restriction!.MaxExclusive!) >= 0)
{
return new XmlSchemaException(SR.Sch_MaxExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinInclusive) != 0)
{
if (TimeSpan.Compare(value, (TimeSpan)restriction!.MinInclusive!) < 0)
{
return new XmlSchemaException(SR.Sch_MinInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinExclusive) != 0)
{
if (TimeSpan.Compare(value, (TimeSpan)restriction!.MinExclusive!) <= 0)
{
return new XmlSchemaException(SR.Sch_MinExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration((TimeSpan)value, enumeration);
}
private static bool MatchEnumeration(TimeSpan value, ArrayList enumeration)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (TimeSpan.Compare(value, (TimeSpan)enumeration[i]!) == 0)
{
return true;
}
}
return false;
}
}
internal sealed class DateTimeFacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
DateTime dateTimeValue = datatype.ValueConverter.ToDateTime(value);
return CheckValueFacets(dateTimeValue, datatype);
}
internal override Exception? CheckValueFacets(DateTime value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if ((flags & RestrictionFlags.MaxInclusive) != 0)
{
if (datatype.Compare(value, (DateTime)restriction!.MaxInclusive!) > 0)
{
return new XmlSchemaException(SR.Sch_MaxInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxExclusive) != 0)
{
if (datatype.Compare(value, (DateTime)restriction!.MaxExclusive!) >= 0)
{
return new XmlSchemaException(SR.Sch_MaxExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinInclusive) != 0)
{
if (datatype.Compare(value, (DateTime)restriction!.MinInclusive!) < 0)
{
return new XmlSchemaException(SR.Sch_MinInclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinExclusive) != 0)
{
if (datatype.Compare(value, (DateTime)restriction!.MinExclusive!) <= 0)
{
return new XmlSchemaException(SR.Sch_MinExclusiveConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, datatype))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration(datatype.ValueConverter.ToDateTime(value), enumeration, datatype);
}
private static bool MatchEnumeration(DateTime value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (datatype.Compare(value, (DateTime)enumeration[i]!) == 0)
{
return true;
}
}
return false;
}
}
internal sealed partial class StringFacetsChecker : FacetsChecker
{ //All types derived from string & anyURI
[GeneratedRegex("^([a-zA-Z]{1,8})(-[a-zA-Z0-9]{1,8})*$", RegexOptions.ExplicitCapture)]
private static partial Regex LanguageRegex();
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
string stringValue = datatype.ValueConverter.ToString(value);
return CheckValueFacets(stringValue, datatype, true);
}
internal override Exception? CheckValueFacets(string value, XmlSchemaDatatype datatype)
{
return CheckValueFacets(value, datatype, true);
}
internal static Exception? CheckValueFacets(string value, XmlSchemaDatatype datatype, bool verifyUri)
{
//Length, MinLength, MaxLength
int length = value.Length;
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
Exception? exception;
exception = CheckBuiltInFacets(value, datatype.TypeCode, verifyUri);
if (exception != null) return exception;
if (flags != 0)
{
if ((flags & RestrictionFlags.Length) != 0)
{
if (restriction!.Length != length)
{
return new XmlSchemaException(SR.Sch_LengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinLength) != 0)
{
if (length < restriction!.MinLength)
{
return new XmlSchemaException(SR.Sch_MinLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxLength) != 0)
{
if (restriction!.MaxLength < length)
{
return new XmlSchemaException(SR.Sch_MaxLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, datatype))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration(datatype.ValueConverter.ToString(value), enumeration, datatype);
}
private static bool MatchEnumeration(string value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
if (datatype.TypeCode == XmlTypeCode.AnyUri)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (value.Equals(((Uri)enumeration[i]!).OriginalString))
{
return true;
}
}
}
else
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (value.Equals((string)enumeration[i]!))
{
return true;
}
}
}
return false;
}
private static Exception? CheckBuiltInFacets(string s, XmlTypeCode typeCode, bool verifyUri)
{
Exception? exception = null;
switch (typeCode)
{
case XmlTypeCode.AnyUri:
if (verifyUri)
{
exception = XmlConvert.TryToUri(s, out _);
}
break;
case XmlTypeCode.NormalizedString:
exception = XmlConvert.TryVerifyNormalizedString(s);
break;
case XmlTypeCode.Token:
exception = XmlConvert.TryVerifyTOKEN(s);
break;
case XmlTypeCode.Language:
if (string.IsNullOrEmpty(s))
{
return new XmlSchemaException(SR.Sch_EmptyAttributeValue, string.Empty);
}
if (!LanguageRegex().IsMatch(s))
{
return new XmlSchemaException(SR.Sch_InvalidLanguageId, string.Empty);
}
break;
case XmlTypeCode.NmToken:
exception = XmlConvert.TryVerifyNMTOKEN(s);
break;
case XmlTypeCode.Name:
exception = XmlConvert.TryVerifyName(s);
break;
case XmlTypeCode.NCName:
case XmlTypeCode.Id:
case XmlTypeCode.Idref:
case XmlTypeCode.Entity:
exception = XmlConvert.TryVerifyNCName(s);
break;
default:
break;
}
return exception;
}
}
internal sealed class QNameFacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
XmlQualifiedName qualifiedNameValue = (XmlQualifiedName)datatype.ValueConverter.ChangeType(value, typeof(XmlQualifiedName));
return CheckValueFacets(qualifiedNameValue, datatype);
}
internal override Exception? CheckValueFacets(XmlQualifiedName value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if (flags != 0)
{
Debug.Assert(restriction != null);
// If there are facets defined
string strValue = value.ToString();
int length = strValue.Length;
if ((flags & RestrictionFlags.Length) != 0)
{
if (restriction.Length != length)
{
return new XmlSchemaException(SR.Sch_LengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinLength) != 0)
{
if (length < restriction.MinLength)
{
return new XmlSchemaException(SR.Sch_MinLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxLength) != 0)
{
if (restriction.MaxLength < length)
{
return new XmlSchemaException(SR.Sch_MaxLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction.Enumeration!))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration((XmlQualifiedName)datatype.ValueConverter.ChangeType(value, typeof(XmlQualifiedName)), enumeration);
}
private static bool MatchEnumeration(XmlQualifiedName value, ArrayList enumeration)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (value.Equals((XmlQualifiedName)enumeration[i]!))
{
return true;
}
}
return false;
}
}
internal sealed class MiscFacetsChecker : FacetsChecker
{ //For bool, anySimpleType
}
internal sealed class BinaryFacetsChecker : FacetsChecker
{ //hexBinary & Base64Binary
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
byte[] byteArrayValue = (byte[])value;
return CheckValueFacets(byteArrayValue, datatype);
}
internal override Exception? CheckValueFacets(byte[] value, XmlSchemaDatatype datatype)
{
//Length, MinLength, MaxLength
RestrictionFacets? restriction = datatype.Restriction;
int length = value.Length;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if (flags != 0)
{ //if it has facets defined
if ((flags & RestrictionFlags.Length) != 0)
{
if (restriction!.Length != length)
{
return new XmlSchemaException(SR.Sch_LengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinLength) != 0)
{
if (length < restriction!.MinLength)
{
return new XmlSchemaException(SR.Sch_MinLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxLength) != 0)
{
if (restriction!.MaxLength < length)
{
return new XmlSchemaException(SR.Sch_MaxLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, datatype))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
return MatchEnumeration((byte[])value, enumeration, datatype);
}
private static bool MatchEnumeration(byte[] value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (datatype.Compare(value, (byte[])enumeration[i]!) == 0)
{
return true;
}
}
return false;
}
}
internal sealed class ListFacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
// Check for facets allowed on lists - Length, MinLength, MaxLength
Array values = (value as Array)!;
Debug.Assert(values != null);
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if ((flags & (RestrictionFlags.Length | RestrictionFlags.MinLength | RestrictionFlags.MaxLength)) != 0)
{
int length = values.Length;
if ((flags & RestrictionFlags.Length) != 0)
{
if (restriction!.Length != length)
{
return new XmlSchemaException(SR.Sch_LengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MinLength) != 0)
{
if (length < restriction!.MinLength)
{
return new XmlSchemaException(SR.Sch_MinLengthConstraintFailed, string.Empty);
}
}
if ((flags & RestrictionFlags.MaxLength) != 0)
{
if (restriction!.MaxLength < length)
{
return new XmlSchemaException(SR.Sch_MaxLengthConstraintFailed, string.Empty);
}
}
}
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, datatype))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
Array values = (value as Array)!;
Datatype_List list = (datatype as Datatype_List)!;
Debug.Assert(list != null);
for (int j = 0; j < values.Length; ++j)
{
bool found = false;
for (int i = 0; i < enumeration.Count; ++i)
{
Array enumValue = (enumeration[i] as Array)!;
Debug.Assert(enumValue != null);
if (list.ItemType.Compare(values.GetValue(j)!, enumValue.GetValue(0)!) == 0)
{
found = true;
break;
}
}
if (!found)
{
return false;
}
}
return true;
}
}
internal sealed class UnionFacetsChecker : FacetsChecker
{
internal override Exception? CheckValueFacets(object value, XmlSchemaDatatype datatype)
{
RestrictionFacets? restriction = datatype.Restriction;
RestrictionFlags flags = restriction != null ? restriction.Flags : 0;
if ((flags & RestrictionFlags.Enumeration) != 0)
{
if (!MatchEnumeration(value, restriction!.Enumeration!, datatype))
{
return new XmlSchemaException(SR.Sch_EnumerationConstraintFailed, string.Empty);
}
}
return null;
}
internal override bool MatchEnumeration(object value, ArrayList enumeration, XmlSchemaDatatype datatype)
{
for (int i = 0; i < enumeration.Count; ++i)
{
if (datatype.Compare(value, enumeration[i]!) == 0)
{
// Compare on Datatype_union will compare two XsdSimpleValue
return true;
}
}
return false;
}
}
}
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