private void InitializeGroupBy()
{
// first check if there is an override from the command line
if (parameters != null && parameters.groupByParameter != null)
{
// get the expression to use
PSPropertyExpression groupingKeyExpression = parameters.groupByParameter.GetEntry(FormatParameterDefinitionKeys.ExpressionEntryKey) as PSPropertyExpression;
// set the label
string label = null;
object labelKey = parameters.groupByParameter.GetEntry(FormatParameterDefinitionKeys.LabelEntryKey);
if (labelKey != AutomationNull.Value)
{
label = labelKey as string;
}
_groupingManager = new GroupingInfoManager();
_groupingManager.Initialize(groupingKeyExpression, label);
return;
}
// check if we have a view to initialize from
if (this.dataBaseInfo.view != null)
{
GroupBy gb = this.dataBaseInfo.view.groupBy;
if (gb is null)
{
return;
}
if (gb.startGroup is null || gb.startGroup.expression is null)
{
return;
}
PSPropertyExpression ex = this.expressionFactory.CreateFromExpressionToken(gb.startGroup.expression, this.dataBaseInfo.view.loadingInfo);
_groupingManager = new GroupingInfoManager();
_groupingManager.Initialize(ex, null);
}
}
private GroupBy LoadGroupBySection(System.Xml.XmlNode groupByNode)
{
using (base.StackFrame(groupByNode))
{
ExpressionNodeMatch match = new ExpressionNodeMatch(this);
ComplexControlMatch match2 = new ComplexControlMatch(this);
bool flag = false;
bool flag2 = false;
bool flag3 = false;
GroupBy by = new GroupBy();
TextToken token = null;
foreach (System.Xml.XmlNode node in groupByNode)
{
if (match.MatchNode(node))
{
if (flag)
{
base.ProcessDuplicateNode(node);
return null;
}
flag = true;
if (!match.ProcessNode(node))
{
return null;
}
}
else if (match2.MatchNode(node))
{
if (flag2)
{
base.ProcessDuplicateAlternateNode(node, "CustomControl", "CustomControlName");
return null;
}
flag2 = true;
if (!match2.ProcessNode(node))
{
return null;
}
}
else if (base.MatchNodeNameWithAttributes(node, "Label"))
{
if (flag3)
{
base.ProcessDuplicateAlternateNode(node, "CustomControl", "CustomControlName");
return null;
}
flag3 = true;
token = this.LoadLabel(node);
if (token == null)
{
return null;
}
}
else
{
base.ProcessUnknownNode(node);
}
}
if (flag2 && flag3)
{
base.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ControlAndLabel, base.ComputeCurrentXPath(), base.FilePath));
return null;
}
if (flag2 || flag3)
{
if (!flag)
{
base.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ControlLabelWithoutExpression, base.ComputeCurrentXPath(), base.FilePath));
return null;
}
if (flag2)
{
by.startGroup.control = match2.Control;
}
else if (flag3)
{
by.startGroup.labelTextToken = token;
}
}
if (flag)
{
ExpressionToken token2 = match.GenerateExpressionToken();
if (token2 == null)
{
return null;
}
by.startGroup.expression = token2;
return by;
}
base.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ExpectExpression, base.ComputeCurrentXPath(), base.FilePath));
return null;
}
}
private GroupBy LoadGroupBySection(XmlNode groupByNode)
{
using (this.StackFrame(groupByNode))
{
ExpressionNodeMatch expressionMatch = new ExpressionNodeMatch(this);
ComplexControlMatch controlMatch = new ComplexControlMatch(this);
bool expressionNodeFound = false; // cardinality 0..1
// these two nodes are mutually exclusive
bool controlFound = false; // cardinality 0..1
bool labelFound = false; // cardinality 0..1
GroupBy groupBy = new GroupBy();
TextToken labelTextToken = null;
foreach (XmlNode n in groupByNode)
{
if (expressionMatch.MatchNode(n))
{
if (expressionNodeFound)
{
this.ProcessDuplicateNode(n);
return null; // fatal error
}
expressionNodeFound = true;
if (!expressionMatch.ProcessNode(n))
return null; // fatal error
}
else if (controlMatch.MatchNode(n))
{
if (controlFound)
{
this.ProcessDuplicateAlternateNode(n, XmlTags.ComplexControlNode, XmlTags.ComplexControlNameNode);
return null;
}
controlFound = true;
if (!controlMatch.ProcessNode(n))
return null; // fatal error
}
else if (MatchNodeNameWithAttributes(n, XmlTags.LabelNode))
{
if (labelFound)
{
this.ProcessDuplicateAlternateNode(n, XmlTags.ComplexControlNode, XmlTags.ComplexControlNameNode);
return null;
}
labelFound = true;
labelTextToken = LoadLabel(n);
if (labelTextToken == null)
{
return null; // fatal error
}
}
else
{
this.ProcessUnknownNode(n);
}
}
if (controlFound && labelFound)
{
//Error at XPath {0} in file {1}: Cannot have control and label at the same time.
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ControlAndLabel, ComputeCurrentXPath(), FilePath));
return null; // fatal error
}
if (controlFound || labelFound)
{
if (!expressionNodeFound)
{
//Error at XPath {0} in file {1}: Cannot have control or label without an expression.
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ControlLabelWithoutExpression, ComputeCurrentXPath(), FilePath));
return null; // fatal error
}
if (controlFound)
{
groupBy.startGroup.control = controlMatch.Control;
}
else if (labelFound)
{
groupBy.startGroup.labelTextToken = labelTextToken;
}
}
if (expressionNodeFound)
{
// we add only if we encountered one, since it's not mandatory
ExpressionToken expression = expressionMatch.GenerateExpressionToken();
if (expression == null)
{
return null; // fatal error
}
groupBy.startGroup.expression = expression;
return groupBy;
}
// failure: expression is mandatory
//Error at XPath {0} in file {1}: An expression is expected.
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ExpectExpression, ComputeCurrentXPath(), FilePath));
return null;
}
}
