protected static bool TryGetFunctionCategory(string category, out FunctionCategories mask)
{
Contracts.AssertNonEmpty(category);
foreach (var cat in Enum.GetValues(typeof(FunctionCategories)).Cast <FunctionCategories>())
{
if (category.Equals(cat.ToString(), StringComparison.OrdinalIgnoreCase))
{
mask = cat;
return(true);
}
}
mask = default(FunctionCategories);
return(false);
}
public IsBlankFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax)
: base(name, description, functionCategories, returnType, maskLambdas, arityMin, arityMax)
{
}
public MathOneArgTableFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.EmptyTable, 0, 1, 1, DType.EmptyTable)
{
}
public ExtractDateTimeFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: base(name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
Contracts.Assert(arityMin == 1);
Contracts.Assert(arityMax == 1);
Contracts.Assert(paramTypes[0] == DType.DateTime);
}
public MathOneArgFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0, 1, 1, DType.Number)
{
}
private bool GetCategories(ref string sErr)
{
try
{
//so, we will use the FunctionCategories class in the session that was loaded at login, and build the list items for the commands tab.
//not by a web method yet, baby steps ....
FunctionCategories cats = ui.GetTaskFunctionCategories();
if (cats == null)
{
ui.RaiseError(Page, "Error: Task Function Categories class is not in the session.", false, "");
}
else
{
string sCatHTML = "";
string sFunHTML = "";
foreach (Category cat in cats.Values)
{
sCatHTML += "<li class=\"ui-widget-content ui-corner-all command_item category\"";
sCatHTML += " id=\"cat_" + cat.Name + "\"";
sCatHTML += " name=\"" + cat.Name + "\">";
sCatHTML += "<div>";
sCatHTML += "<img class=\"category_icon\" src=\"../images/" + cat.Icon + "\" alt=\"\" />";
sCatHTML += "<span>" + cat.Label + "</span>";
sCatHTML += "</div>";
sCatHTML += "<div id=\"help_text_" + cat.Name + "\" class=\"hidden\">";
sCatHTML += cat.Description;
sCatHTML += "</div>";
sCatHTML += "</li>";
sFunHTML += "<div class=\"functions hidden\" id=\"cat_" + cat.Name + "_functions\">";
//now, let's work out the functions.
//we can just draw them all... they are hidden and will display on the client as clicked
foreach (Function fn in cat.Functions.Values)
{
sFunHTML += "<div class=\"ui-widget-content ui-corner-all command_item function\"";
sFunHTML += " id=\"fn_" + fn.Name + "\"";
sFunHTML += " name=\"" + fn.Name + "\">";
sFunHTML += "<img class=\"function_icon\" src=\"../images/" + fn.Icon + "\" alt=\"\" />";
sFunHTML += "<span>" + fn.Label + "</span>";
sFunHTML += "<div id=\"help_text_" + fn.Name + "\" class=\"hidden\">";
sFunHTML += fn.Description;
sFunHTML += "</div>";
sFunHTML += "</div>";
}
sFunHTML += "</div>";
}
ltCategories.Text = sCatHTML;
ltFunctions.Text = sFunHTML;
}
return(true);
}
catch (Exception ex)
{
sErr = ex.Message;
return(false);
}
}
public void SetTaskCommands(ref string sErr)
{
//load the task_commands.xml file into the session. If it doesn't exist, we can't proceed.
try
{
XDocument xCommands = XDocument.Load(HttpContext.Current.Server.MapPath("~/pages/luCommands.xml"));
if (xCommands == null)
{
sErr = "Task Commands XML file is missing or unreadable.";
}
else
{
//we load two classes here...
//first, the category/function hierarchy
FunctionCategories cats = new FunctionCategories(xCommands);
SetSessionObject("function_categories", cats, "Security");
//then the flat list of all functions for fastest lookups
Functions funcs = new Functions(cats);
SetSessionObject("functions", funcs, "Security");
}
} catch (Exception ex) {
sErr = "Unable to load Task Commands XML." + ex.Message;
}
}
public FunctionWithTableInput(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(DPath.Root, name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public StatisticalFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0, 1, int.MaxValue, DType.Number)
{
}
public FilterFunctionBase(string name, TexlStrings.StringGetter description, FunctionCategories fc, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: base(name, description, fc, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public BuiltinFunction(string name, string localeSpecificName, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(DPath.Root, name, localeSpecificName, description, functionCategories, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public BuiltinFunction(DPath theNamespace, string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType, BigInteger maskLambdas, int arityMin, int arityMax, params DType[] paramTypes)
: this(theNamespace, name, /*localeSpecificName*/ string.Empty, description, functionCategories, returnType, maskLambdas, arityMin, arityMax, paramTypes)
{
}
public StringOneArgFunction(string name, TexlStrings.StringGetter description, FunctionCategories functionCategories, DType returnType)
: base(name, description, functionCategories, returnType, 0, 1, 1, DType.String)
{
}
public StatisticalTableFunction(string name, TexlStrings.StringGetter description, FunctionCategories fc)
: base(name, description, fc, DType.Number, 0x02, 2, 2, DType.EmptyTable, DType.Number)
{
ScopeInfo = new FunctionScopeInfo(this, usesAllFieldsInScope: false, acceptsLiteralPredicates: false);
}
