internal void CheckWhitespaceFacets(ref string s,
SimpleTypeValidator type,
XmlSchemaWhiteSpace wsPattern)
{
// before parsing, check whitespace facet
RestrictionFacets restriction = type.RestrictionFacets;
if (type.Variety == XmlSchemaDatatypeVariety.List)
{
s = s.Trim();
return;
}
else if (type.Variety == XmlSchemaDatatypeVariety.Atomic)
{
XmlSchemaDatatype datatype = type.DataType;
if (datatype.GetBuiltInWSFacet() == XmlSchemaWhiteSpace.Collapse)
{
s = XmlComplianceUtil.NonCDataNormalize(s);
}
else if (datatype.GetBuiltInWSFacet() == 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);
}
}
}
return;
}
public static string NonCDataNormalize(string value)
{
string str;
int len = value.Length;
if (len > 0)
{
int startPos = 0;
StringBuilder norValue = null;
while (XmlComplianceUtil.IsWhiteSpace(value[startPos]))
{
startPos++;
if (startPos == len)
{
str = " ";
return(str);
}
}
int i = startPos;
while (i < len)
{
if (XmlComplianceUtil.IsWhiteSpace(value[i]))
{
int j = i + 1;
while (true)
{
if ((j >= len ? true : !XmlComplianceUtil.IsWhiteSpace(value[j])))
{
break;
}
j++;
}
if (j == len)
{
if (norValue != null)
{
norValue.Append(value, startPos, i - startPos);
str = norValue.ToString();
return(str);
}
else
{
str = value.Substring(startPos, i - startPos);
return(str);
}
}
else if ((j > i + 1 ? false : value[i] == ' '))
{
i++;
}
else
{
if (norValue == null)
{
norValue = new StringBuilder(len);
}
norValue.Append(value, startPos, i - startPos);
norValue.Append(' ');
startPos = j;
i = j;
}
}
else
{
i++;
}
}
if (norValue == null)
{
str = (startPos <= 0 ? value : value.Substring(startPos, len - startPos));
}
else
{
if (startPos < i)
{
norValue.Append(value, startPos, i - startPos);
}
str = norValue.ToString();
}
}
else
{
str = string.Empty;
}
return(str);
}