private string RenderVariable(
string param,
Dictionary <string, object> variableDictionary)
{
string objectParam;
int? objectArrayIndex;
IHasTemplate obj = GetVarObject(param, variableDictionary, out objectParam, out objectArrayIndex) as IHasTemplate;
if (obj == null)
{
obj = GetVariable(objectParam, variableDictionary, objectArrayIndex) as IHasTemplate;
}
if (string.IsNullOrEmpty(obj.TemplateName()))
{
ThrowTemplateException(
string.Format("Render called but the object does not have a template: {0}. {1}.",
param,
obj.ToString()));
}
IHasProps objProps = obj as IHasProps;
variableDictionary["this"] = objProps;
string rv = FormatTemplate(obj.TemplateName(), variableDictionary);
variableDictionary.Remove("this");
return(rv);
}
// From:
// {props:filter.input[i].Name}
// Return:
// objectParam = 'Name'
// Rv = input[i]
private IHasProps GetPropsObject(
string param,
Dictionary <string, object> variableDictionary,
out string objectParam,
out int?objectArrayIndex)
{
// Tokenize by dot
string[] dotTokens = param.Split('.');
IHasProps currentObject = this;
for (int i = 0; ; ++i)
{
// Get array index if specified
objectParam = dotTokens[i];
objectArrayIndex = ParseArrayNotation(variableDictionary, ref objectParam);
bool lastItem = (i == dotTokens.Length - 1);
if (lastItem)
{
break;
}
// Get the next object
currentObject = currentObject.FormatProps(objectParam, objectArrayIndex) as IHasProps;
}
return(currentObject);
}
private object FormatProps(
string param,
Dictionary <string, object> variableDictionary)
{
string objectParam;
int? objectArrayIndex;
IHasProps obj = GetPropsObject(param, variableDictionary, out objectParam, out objectArrayIndex);
return(obj.FormatProps(objectParam, objectArrayIndex));
}
// From:
// {var:filter.input[i].Name}
// Return:
// objectParam = 'Name'
// Rv = input[i]
private IHasProps GetVarObject(
string param,
Dictionary <string, object> variableDictionary,
out string objectParam,
out int?objectArrayIndex)
{
// Tokenize by dot
string[] dotTokens = param.Split('.');
IHasProps currentObject = null;
for (int i = 0; ; ++i)
{
// Get array index if specified
objectParam = dotTokens[i];
objectArrayIndex = ParseArrayNotation(variableDictionary, ref objectParam);
bool isLastIteration = (i == dotTokens.Length - 1);
// First token?
if (i == 0)
{
if (isLastIteration)
{
break;
}
// Get from the dictionary
object obj = GetVariable(objectParam, variableDictionary, objectArrayIndex);
currentObject = obj as IHasProps;
}
else
{
if (isLastIteration)
{
break;
}
// get the next object
currentObject = currentObject.FormatProps(objectParam, objectArrayIndex) as IHasProps;
}
}
return(currentObject);
}
//{for:i = 0 to countVar:filter.input}
private int FormatCountVar(
string param,
Dictionary <string, object> variableDictionary)
{
string objectParam;
int? objectArrayIndex;
IHasProps obj = GetVarObject(param, variableDictionary, out objectParam, out objectArrayIndex);
int rv;
if (obj == null)
{
// This doesn't make sense. For exameple:
//{for:i = 0 to countVar:i} <-- this is the error. why not just do below
//{for:i = 0 to var:i}
ThrowTemplateException(string.Format("Invalid count variable: {0}", param));
}
rv = obj.Count(objectParam);
return(rv);
}
private object FormatVariable(
string param,
Dictionary <string, object> paramDictionary)
{
string objectParam;
int? objectArrayIndex;
IHasProps obj = GetVarObject(param, paramDictionary, out objectParam, out objectArrayIndex);
object rv;
if (obj != null)
{
rv = obj.FormatProps(objectParam, objectArrayIndex, true);
}
else
{
rv = GetVariable(objectParam, paramDictionary, objectArrayIndex);
}
return(rv);
}
