private int CurrentWordEndPos()
{
if (tbExpression.Text == "")
{
return(0);
}
int index = tbExpression.SelectionStart - 1;
while (true)
{
if (index < 0 || index > tbExpression.Text.Length - 1)
{
break;
}
char c = tbExpression.Text[index];
if (FlowDataManager.ValidNameChar(c) || c == '$')
{
index++;
}
else
{
break;
}
}
index--;
return(index);
}
/// function to get var name from a declaration
private string TakeVarNameFromDeclaration(string expression)
{
string temp = FlowDataManager.RemoveSpacing(expression + "=");
string result = "";
bool StartedVarName = false;
for (int i = 0; i < temp.Length; i++)
{
if (temp[i] == ':')
{
StartedVarName = true;
continue;
}
if (temp[i] == '=')
{
break;
}
if (StartedVarName)
{
result += temp[i];
}
}
if (FlowDataManager.ValidName(result))
{
return(result);
}
else
{
return(null);
}
}
// WATCH TABLE
public void UpdateWatch(FlowDataManager flowData)
{
ClearWatch();
List <KeyValuePair <string, VarInfo> > varList = flowData.GetVarList();
foreach (var element in varList)
{
string varName = element.Key;
string varType = element.Value.type.ToString().Remove(0, 3);
string varValue = element.Value.value;
switch (varType)
{
case "Number":
{
break;
}
case "String":
{
varValue = varValue.Replace("\"", "\"\"");
varValue = "\"" + varValue + "\"";
break;
}
case "Boolean":
{
varValue = "$" + varValue;
break;
}
default:
{
varValue = "Unhandled data type!";
break;
}
}
if (element.Value.isNull)
{
varValue = "$NULL";
}
dtvWatcher.Rows.Add(varName, varType, varValue);
}
}
private IGoLink PickLinkFromConditionBlock(List<IGoLink> OutLinks, VarInfo blockResult, out string ErrorReport)
{
IGoLink pickedLink = null;
ErrorReport = "";
int countElement = OutLinks.Count;
// check for duplicated link value:
for(int i=0; i<countElement-1; i++)
for(int j=i+1; j<countElement; j++)
{
string linkValue1 = ( (OutLinks[i] as GoLabeledLink).FromLabel as GoText).Text;
linkValue1 = linkValue1.ToUpper();
linkValue1 = FlowDataManager.RemoveSpacing(linkValue1);
if (linkValue1 == "")
{
ErrorReport = "Error: Blank out-link label";
return null;
}
if (linkValue1[0] >= 'A' && linkValue1[0] <= 'Z')
linkValue1 = "$" + linkValue1;
string linkValue2 = ( (OutLinks[j] as GoLabeledLink).FromLabel as GoText).Text;
linkValue2 = linkValue2.ToUpper();
linkValue2 = FlowDataManager.RemoveSpacing(linkValue2);
if (linkValue2 == "")
{
ErrorReport = "Error: Blank out-link label";
return null;
}
if (linkValue2[0]>='A' && linkValue2[0]<='Z')
linkValue2 = "$" + linkValue2;
if(linkValue1 == "$ELSE")
{
pickedLink = OutLinks[i];
}
if(linkValue2 == "$ELSE")
{
pickedLink = OutLinks[j];
}
if(linkValue1 == "$ELSE" && linkValue2 == "$ELSE")
{
ErrorReport = "Error: Duplicated out link label/value: ELSE";
return null;
}
VarInfo linkVar1 = FlowDataManager.HandleConst(linkValue1);
VarInfo linkvar2 = FlowDataManager.HandleConst(linkValue2);
if( VarInfo.IsEqual(linkVar1,linkvar2) )
{
ErrorReport = "Error: Duplicated out link label/value: " + linkValue1;
return null;
}
}
// check all valid links
foreach(IGoLink link in OutLinks)
{
string linkValue = ( (link as GoLabeledLink).FromLabel as GoText).Text;
linkValue = linkValue.ToUpper();
linkValue = FlowDataManager.RemoveSpacing(linkValue);
if (linkValue == "")
{
ErrorReport = "Error: Blank out-link label";
return null;
}
if (linkValue[0]>='A' && linkValue[0]<='Z')
linkValue = "$" + linkValue;
if(linkValue == "$ELSE")
{
continue;
}
VarInfo tempVar = FlowDataManager.HandleConst(linkValue);
if(tempVar.isNull)
{
ErrorReport = "Error: Illegal out-link label: " + linkValue;
return null;
}
if( VarInfo.IsEqual(tempVar, blockResult) )
{
pickedLink = link;
}
}
if(pickedLink == null)
{
ErrorReport = "Error: Couldn't find a label that matches value: " + blockResult.value;
return null;
}
return pickedLink;
}