/// <summary>
/// helper to retrieve the value of an PSPropertyExpression and to format it
/// </summary>
/// <param name="so">shell object to process</param>
/// <param name="enumerationLimit">limit on IEnumerable enumeration</param>
/// <param name="ex">expression to use for retrieval</param>
/// <param name="directive">format directive to use for formatting</param>
/// <param name="formatErrorObject"></param>
/// <param name="expressionFactory">expression factory to create PSPropertyExpression</param>
/// <param name="result"> not null if an error condition arose</param>
/// <returns>formatted string</returns>
internal static string GetExpressionDisplayValue(
PSObject so,
int enumerationLimit,
PSPropertyExpression ex,
FieldFormattingDirective directive,
StringFormatError formatErrorObject,
PSPropertyExpressionFactory expressionFactory,
out PSPropertyExpressionResult result)
{
result = null;
List <PSPropertyExpressionResult> resList = ex.GetValues(so);
if (resList.Count == 0)
{
return(string.Empty);
}
result = resList[0];
if (result.Exception != null)
{
return(string.Empty);
}
return(PSObjectHelper.FormatField(directive, result.Result, enumerationLimit, formatErrorObject, expressionFactory));
}
/// <summary>
/// display a leaf value
/// </summary>
/// <param name="val">object to display</param>
/// <param name="formatValueList">list of format tokens to add to</param>
private void DisplayLeaf(object val, List <FormatValue> formatValueList)
{
FormatPropertyField fpf = new FormatPropertyField();
fpf.propertyValue = PSObjectHelper.FormatField(null, PSObjectHelper.AsPSObject(val), _enumerationLimit, null, _expressionFactory);
formatValueList.Add(fpf);
formatValueList.Add(new FormatNewLine());
}
private void DisplayLeaf(object val, List <FormatValue> formatValueList)
{
FormatPropertyField item = new FormatPropertyField {
propertyValue = PSObjectHelper.FormatField(null, PSObjectHelper.AsPSObject(val), this.enumerationLimit, null, this.expressionFactory)
};
formatValueList.Add(item);
formatValueList.Add(new FormatNewLine());
}
internal static string GetExpressionDisplayValue(
PSObject so,
int enumerationLimit,
MshExpression ex,
FieldFormattingDirective directive,
StringFormatError formatErrorObject,
MshExpressionFactory expressionFactory,
out MshExpressionResult result)
{
result = (MshExpressionResult)null;
List <MshExpressionResult> values = ex.GetValues(so);
if (values.Count == 0)
{
return("");
}
result = values[0];
return(result.Exception != null ? "" : PSObjectHelper.FormatField(directive, result.Result, enumerationLimit, formatErrorObject, expressionFactory));
}
private void ExecuteFormatTokenList(TraversalInfo level,
PSObject so, List <FormatToken> formatTokenList, List <FormatValue> formatValueList)
{
if (so == null)
{
throw PSTraceSource.NewArgumentNullException("so");
}
// guard against infinite loop
if (level.Level == level.MaxDepth)
{
return;
}
FormatEntry fe = new FormatEntry();
formatValueList.Add(fe);
#region foreach loop
foreach (FormatToken t in formatTokenList)
{
TextToken tt = t as TextToken;
if (tt != null)
{
FormatTextField ftf = new FormatTextField();
ftf.text = _db.displayResourceManagerCache.GetTextTokenString(tt);
fe.formatValueList.Add(ftf);
continue;
}
var newline = t as NewLineToken;
if (newline != null)
{
for (int i = 0; i < newline.count; i++)
{
fe.formatValueList.Add(new FormatNewLine());
}
continue;
}
FrameToken ft = t as FrameToken;
if (ft != null)
{
// instantiate a new entry and attach a frame info object
FormatEntry feFrame = new FormatEntry();
feFrame.frameInfo = new FrameInfo();
// add the frame info
feFrame.frameInfo.firstLine = ft.frameInfoDefinition.firstLine;
feFrame.frameInfo.leftIndentation = ft.frameInfoDefinition.leftIndentation;
feFrame.frameInfo.rightIndentation = ft.frameInfoDefinition.rightIndentation;
// execute the list inside the frame
ExecuteFormatTokenList(level, so, ft.itemDefinition.formatTokenList, feFrame.formatValueList);
// add the frame computation results to the current format entry
fe.formatValueList.Add(feFrame);
continue;
}
#region CompoundPropertyToken
CompoundPropertyToken cpt = t as CompoundPropertyToken;
if (cpt != null)
{
if (!EvaluateDisplayCondition(so, cpt.conditionToken))
{
// token not active, skip it
continue;
}
// get the property from the object
object val = null;
// if no expression was specified, just use the
// object itself
if (cpt.expression == null || string.IsNullOrEmpty(cpt.expression.expressionValue))
{
val = so;
}
else
{
PSPropertyExpression ex = _expressionFactory.CreateFromExpressionToken(cpt.expression, _loadingInfo);
List <PSPropertyExpressionResult> resultList = ex.GetValues(so);
if (resultList.Count > 0)
{
val = resultList[0].Result;
if (resultList[0].Exception != null)
{
_errorManager.LogPSPropertyExpressionFailedResult(resultList[0], so);
}
}
}
// if the token is has a formatting string, it's a leaf node,
// do the formatting and we will be done
if (cpt.control == null || cpt.control is FieldControlBody)
{
// Since it is a leaf node we just consider it an empty string and go
// on with formatting
if (val == null)
{
val = string.Empty;
}
FieldFormattingDirective fieldFormattingDirective = null;
StringFormatError formatErrorObject = null;
if (cpt.control != null)
{
fieldFormattingDirective = ((FieldControlBody)cpt.control).fieldFormattingDirective;
if (fieldFormattingDirective != null && _errorManager.DisplayFormatErrorString)
{
formatErrorObject = new StringFormatError();
}
}
IEnumerable e = PSObjectHelper.GetEnumerable(val);
FormatPropertyField fpf = new FormatPropertyField();
if (cpt.enumerateCollection && e != null)
{
foreach (object x in e)
{
if (x == null)
{
// nothing to process
continue;
}
fpf = new FormatPropertyField();
fpf.propertyValue = PSObjectHelper.FormatField(fieldFormattingDirective, x, _enumerationLimit, formatErrorObject, _expressionFactory);
fe.formatValueList.Add(fpf);
}
}
else
{
fpf = new FormatPropertyField();
fpf.propertyValue = PSObjectHelper.FormatField(fieldFormattingDirective, val, _enumerationLimit, formatErrorObject, _expressionFactory);
fe.formatValueList.Add(fpf);
}
if (formatErrorObject != null && formatErrorObject.exception != null)
{
_errorManager.LogStringFormatError(formatErrorObject);
fpf.propertyValue = _errorManager.FormatErrorString;
}
}
else
{
// An empty result that is not a leaf node should not be expanded
if (val == null)
{
continue;
}
IEnumerable e = PSObjectHelper.GetEnumerable(val);
if (cpt.enumerateCollection && e != null)
{
foreach (object x in e)
{
if (x == null)
{
// nothing to process
continue;
}
// proceed with the recursion
ExecuteFormatControl(level.NextLevel, cpt.control, PSObject.AsPSObject(x), fe.formatValueList);
}
}
else
{
// proceed with the recursion
ExecuteFormatControl(level.NextLevel, cpt.control, PSObjectHelper.AsPSObject(val), fe.formatValueList);
}
}
}
#endregion CompoundPropertyToken
}
#endregion foreach loop
}
private void ExecuteFormatTokenList(TraversalInfo level, PSObject so, List <FormatToken> formatTokenList, List <FormatValue> formatValueList)
{
if (so == null)
{
throw PSTraceSource.NewArgumentNullException("so");
}
if (level.Level != level.MaxDepth)
{
FormatEntry item = new FormatEntry();
formatValueList.Add(item);
foreach (FormatToken token in formatTokenList)
{
TextToken tt = token as TextToken;
if (tt != null)
{
FormatTextField field = new FormatTextField {
text = this.db.displayResourceManagerCache.GetTextTokenString(tt)
};
item.formatValueList.Add(field);
}
else if (token is NewLineToken)
{
item.formatValueList.Add(new FormatNewLine());
}
else
{
FrameToken token3 = token as FrameToken;
if (token3 != null)
{
FormatEntry entry2 = new FormatEntry {
frameInfo = new FrameInfo()
};
entry2.frameInfo.firstLine = token3.frameInfoDefinition.firstLine;
entry2.frameInfo.leftIndentation = token3.frameInfoDefinition.leftIndentation;
entry2.frameInfo.rightIndentation = token3.frameInfoDefinition.rightIndentation;
this.ExecuteFormatTokenList(level, so, token3.itemDefinition.formatTokenList, entry2.formatValueList);
item.formatValueList.Add(entry2);
}
else
{
CompoundPropertyToken token4 = token as CompoundPropertyToken;
if ((token4 != null) && this.EvaluateDisplayCondition(so, token4.conditionToken))
{
object result = null;
if ((token4.expression == null) || string.IsNullOrEmpty(token4.expression.expressionValue))
{
result = so;
}
else
{
List <MshExpressionResult> values = this.expressionFactory.CreateFromExpressionToken(token4.expression, this.loadingInfo).GetValues(so);
if (values.Count > 0)
{
result = values[0].Result;
if (values[0].Exception != null)
{
this.errorManager.LogMshExpressionFailedResult(values[0], so);
}
}
}
if ((token4.control == null) || (token4.control is FieldControlBody))
{
if (result == null)
{
result = "";
}
FieldFormattingDirective fieldFormattingDirective = null;
StringFormatError formatErrorObject = null;
if (token4.control != null)
{
fieldFormattingDirective = ((FieldControlBody)token4.control).fieldFormattingDirective;
if ((fieldFormattingDirective != null) && this.errorManager.DisplayFormatErrorString)
{
formatErrorObject = new StringFormatError();
}
}
IEnumerable enumerable = PSObjectHelper.GetEnumerable(result);
FormatPropertyField field2 = new FormatPropertyField();
if (token4.enumerateCollection && (enumerable != null))
{
foreach (object obj3 in enumerable)
{
if (obj3 != null)
{
field2 = new FormatPropertyField {
propertyValue = PSObjectHelper.FormatField(fieldFormattingDirective, obj3, this.enumerationLimit, formatErrorObject, this.expressionFactory)
};
item.formatValueList.Add(field2);
}
}
}
else
{
field2 = new FormatPropertyField {
propertyValue = PSObjectHelper.FormatField(fieldFormattingDirective, result, this.enumerationLimit, formatErrorObject, this.expressionFactory)
};
item.formatValueList.Add(field2);
}
if ((formatErrorObject != null) && (formatErrorObject.exception != null))
{
this.errorManager.LogStringFormatError(formatErrorObject);
field2.propertyValue = this.errorManager.FormatErrorString;
}
}
else if (result != null)
{
IEnumerable enumerable2 = PSObjectHelper.GetEnumerable(result);
if (token4.enumerateCollection && (enumerable2 != null))
{
foreach (object obj4 in enumerable2)
{
if (obj4 != null)
{
this.ExecuteFormatControl(level.NextLevel, token4.control, PSObject.AsPSObject(obj4), item.formatValueList);
}
}
}
else
{
this.ExecuteFormatControl(level.NextLevel, token4.control, PSObjectHelper.AsPSObject(result), item.formatValueList);
}
}
}
}
}
}
}
}