private void ReadValue(XmlReader reader, ref Answer ans, string answerName, int[] repeatStack)
{
if (reader.Name == "RptValue")
{
if (!reader.IsEmptyElement)
{
repeatStack = RepeatIndices.Push(repeatStack);
reader.Read(); // read past RptValue element
reader.MoveToContent();
while (reader.Name != "RptValue" || reader.NodeType != XmlNodeType.EndElement)
{
ReadValue(reader, ref ans, answerName, repeatStack);
RepeatIndices.Increment(repeatStack);
}
reader.ReadEndElement();
reader.MoveToContent();
}
else
{
reader.Read(); // just read past empty element
reader.MoveToContent();
}
}
else // scalar value
{
// check for unanswered/user modifiable attributes
bool unans = false;
bool collapsed = false;
bool userModifiable = true;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "unans")
{
unans = XmlConvert.ToBoolean(reader.Value);
}
else if (reader.Name == "userModifiable")
{
userModifiable = XmlConvert.ToBoolean(reader.Value);
}
}
reader.MoveToElement();
}
collapsed = reader.IsEmptyElement;
// get value
string s;
switch (reader.Name)
{
case "TextValue":
if (ans == null)
{
ans = CreateAnswer <TextValue>(answerName);
}
s = reader.ReadElementContentAsString(reader.Name, "");
if (unans || string.IsNullOrEmpty(s))
{
ans.InitValue <TextValue>(userModifiable ? TextValue.Unanswered : TextValue.UnansweredLocked, repeatStack);
}
else
{
ans.InitValue <TextValue>(new TextValue(s, userModifiable), repeatStack);
}
break;
case "NumValue":
if (ans == null)
{
ans = CreateAnswer <NumberValue>(answerName);
}
s = reader.ReadElementContentAsString(reader.Name, "");
if (unans || string.IsNullOrEmpty(s))
{
ans.InitValue <NumberValue>(userModifiable ? NumberValue.Unanswered : NumberValue.UnansweredLocked, repeatStack);
}
else
{
ans.InitValue <NumberValue>(new NumberValue(XmlConvert.ToDouble(s), userModifiable), repeatStack);
}
break;
case "DateValue":
if (ans == null)
{
ans = CreateAnswer <DateValue>(answerName);
}
s = reader.ReadElementContentAsString(reader.Name, "");
if (unans || string.IsNullOrEmpty(s))
{
ans.InitValue <DateValue>(userModifiable ? DateValue.Unanswered : DateValue.UnansweredLocked, repeatStack);
}
else
{
string[] dateParts = s.Split('/', ' ', '-', '.');
ans.InitValue <DateValue>(
new DateValue(
Convert.ToInt32(dateParts[2]),
Convert.ToInt32(dateParts[1]),
Convert.ToInt32(dateParts[0]),
userModifiable
), repeatStack);
}
break;
case "TFValue":
if (ans == null)
{
ans = CreateAnswer <TrueFalseValue>(answerName);
}
s = reader.ReadElementContentAsString(reader.Name, "");
if (unans || string.IsNullOrEmpty(s))
{
ans.InitValue <TrueFalseValue>(userModifiable ? TrueFalseValue.Unanswered : TrueFalseValue.UnansweredLocked, repeatStack);
}
else
{
// LRS: although the value for a TFValue element should be lower case,
// The following line forces the conversion to lower case explicitly
// because JavaScript and Silverlight have historically (and incorrectly) set these
// values using upper case instead. (Bug 4429)
ans.InitValue <TrueFalseValue>(new TrueFalseValue(XmlConvert.ToBoolean(s.ToLowerInvariant()), userModifiable), repeatStack);
}
break;
case "MCValue":
if (ans == null)
{
ans = CreateAnswer <MultipleChoiceValue>(answerName);
}
if (unans || reader.IsEmptyElement)
{
ans.InitValue <MultipleChoiceValue>(userModifiable ? MultipleChoiceValue.Unanswered : MultipleChoiceValue.UnansweredLocked, repeatStack);
reader.ReadInnerXml(); // read past the element and ignore it
}
else
{
// the MCValue claims to contain one or more SelValues
List <String> mcVals = new List <string>();
bool selValueUnans; // The fact that SelValue can have an unans attribute is against the official schema, but
// some HotDocs code apparently wasn't aware of that. :-)
reader.ReadStartElement("MCValue");
reader.MoveToContent();
while (reader.Name == "SelValue")
{
selValueUnans = false;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "unans")
{
selValueUnans = XmlConvert.ToBoolean(reader.Value);
break;
}
}
reader.MoveToElement();
}
s = reader.ReadElementContentAsString(reader.Name, "");
if (!selValueUnans &&
(!string.IsNullOrEmpty(s) ||
(s != null && mcVals.Count == 0) // allow at most a single empty SelValue
)
)
{
mcVals.Add(s);
}
reader.MoveToContent(); // skip whitespace before next element
}
if (mcVals.Count == 0) // as good as unanswered
{
ans.InitValue <MultipleChoiceValue>(userModifiable ? MultipleChoiceValue.Unanswered : MultipleChoiceValue.UnansweredLocked, repeatStack);
}
else
{
ans.InitValue <MultipleChoiceValue>(new MultipleChoiceValue(mcVals.ToArray(), userModifiable), repeatStack);
}
reader.ReadEndElement(); // read past MCValue end element
}
break;
default: // anything else -- database values, clause library values, document text (span) values
if (ans == null)
{
ans = CreateAnswer <UnknownValue>(answerName);
}
ans.InitValue <UnknownValue>(new UnknownValue(reader.ReadOuterXml()), repeatStack);
break;
}
reader.MoveToContent(); // skip any white space to move to the next element
}
}
private void ReadValue(XmlReader reader, ref Answer ans, string answerName, int[] repeatStack)
{
if (reader.Name == "RptValue")
{
if (!reader.IsEmptyElement)
{
repeatStack = RepeatIndices.Push(repeatStack);
reader.Read(); // read past RptValue element
reader.MoveToContent();
while (reader.Name != "RptValue" || reader.NodeType != XmlNodeType.EndElement)
{
ReadValue(reader, ref ans, answerName, repeatStack);
RepeatIndices.Increment(repeatStack);
}
reader.ReadEndElement();
reader.MoveToContent();
}
else
{
reader.Read(); // just read past empty element
reader.MoveToContent();
}
}
else // scalar value
{
// check for unanswered/user modifiable attributes
bool unans = false;
bool userModifiable = true;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.Name == "unans")
{
unans = XmlConvert.ToBoolean(reader.Value);
}
else if (reader.Name == "userModifiable")
{
userModifiable = XmlConvert.ToBoolean(reader.Value);
}
}
reader.MoveToElement();
}
// get value
switch (reader.Name)
{
case "TextValue":
if (ans == null)
{
ans = CreateAnswer <TextValue>(answerName);
}
if (unans)
{
ans.InitValue <TextValue>(userModifiable ? TextValue.Unanswered : TextValue.UnansweredLocked, repeatStack);
}
else
{
reader.ReadStartElement("TextValue");
ans.InitValue <TextValue>(new TextValue(reader.Value, userModifiable), repeatStack);
reader.Read(); // move past text element
}
reader.Read(); // read past TextValue element
reader.MoveToContent();
break;
case "NumValue":
if (ans == null)
{
ans = CreateAnswer <NumberValue>(answerName);
}
if (unans)
{
ans.InitValue <NumberValue>(userModifiable ? NumberValue.Unanswered : NumberValue.UnansweredLocked, repeatStack);
}
else
{
reader.ReadStartElement("NumValue");
ans.InitValue <NumberValue>(new NumberValue(XmlConvert.ToDouble(reader.Value), userModifiable), repeatStack);
reader.Read(); // move past text element
}
reader.Read(); // read past NumValue element
reader.MoveToContent();
break;
case "DateValue":
if (ans == null)
{
ans = CreateAnswer <DateValue>(answerName);
}
if (unans)
{
ans.InitValue <DateValue>(userModifiable ? DateValue.Unanswered : DateValue.UnansweredLocked, repeatStack);
}
else
{
reader.ReadStartElement("DateValue");
string[] dateParts = reader.Value.Split('/', ' ', '-', '.');
ans.InitValue <DateValue>(new DateValue(
Convert.ToInt32(dateParts[2]), Convert.ToInt32(dateParts[1]), Convert.ToInt32(dateParts[0]), userModifiable
), repeatStack);
reader.Read(); // move past text element
}
reader.Read(); // read past DateValue element
reader.MoveToContent();
break;
case "TFValue":
if (ans == null)
{
ans = CreateAnswer <TrueFalseValue>(answerName);
}
if (unans)
{
ans.InitValue <TrueFalseValue>(userModifiable ? TrueFalseValue.Unanswered : TrueFalseValue.UnansweredLocked, repeatStack);
}
else
{
reader.ReadStartElement("TFValue");
// LRS: although the value for a TFValue element should be lower case,
// The following line forces the conversion to lower case explicitly
// because JavaScript and Silverlight have historically (and incorrectly) set these
// values using upper case instead. (TFS 4429)
ans.InitValue <TrueFalseValue>(new TrueFalseValue(XmlConvert.ToBoolean(reader.Value.ToLowerInvariant()), userModifiable), repeatStack);
reader.Read(); // move past text element
}
reader.Read(); // read past TFValue element
reader.MoveToContent();
break;
case "MCValue":
if (ans == null)
{
ans = CreateAnswer <MultipleChoiceValue>(answerName);
}
if (unans)
{
ans.InitValue <MultipleChoiceValue>(userModifiable ? MultipleChoiceValue.Unanswered : MultipleChoiceValue.UnansweredLocked, repeatStack);
}
else
{
List <String> mcVals = new List <string>();
reader.ReadStartElement("MCValue");
reader.MoveToContent();
while (reader.Name == "SelValue")
{
reader.ReadStartElement("SelValue");
mcVals.Add(reader.Value);
reader.Read(); // skip past value
reader.ReadEndElement();
reader.MoveToContent();
}
ans.InitValue <MultipleChoiceValue>(new MultipleChoiceValue(mcVals.ToArray(), userModifiable), repeatStack);
}
reader.Read(); // read past MCValue element
reader.MoveToContent();
break;
default: // anything else -- database values, clause library values, document text (span) values
if (ans == null)
{
ans = CreateAnswer <UnknownValue>(answerName);
}
ans.InitValue <UnknownValue>(new UnknownValue(reader.ReadOuterXml()), repeatStack);
break;
}
reader.MoveToContent(); // skip any white space to move to the next element
}
}