public override String Render(Dictionary <String, Object> args)
{
StringBuilder sb = new StringBuilder();
Match m = Regex.Match(Content, Constants.FOR_BEGIN_REGEX);
if (m.Success)
{
String variable = GetVariable(m.Value);
if (args.ContainsKey(variable) && args[variable] is List <Dictionary <String, Object> > )
{
List <Dictionary <String, Object> > loopArgs = args[variable] as List <Dictionary <String, Object> >;
int firstIndex = Content.IndexOf(m.Value);
String endFor = String.Format(@"$endfor{0}{1}{2}", "{", variable, "}");
int lastIndex = Content.LastIndexOf(endFor) + endFor.Length;
if (firstIndex >= 0 && lastIndex >= 0)
{
if (firstIndex >= 0)
{
SimpleTemplate prevFor = new SimpleTemplate(Content.Substring(0, firstIndex));
sb.Append(prevFor.Render(args));
}
String loopBody = RemoveForTag(Content.Substring(firstIndex, lastIndex - firstIndex), variable);
foreach (var argItem in loopArgs)
{
if (Regex.IsMatch(loopBody, Constants.FOR_BEGIN_REGEX))
{
LoopTemplate lt = new LoopTemplate(loopBody);
sb.Append(lt.Render(argItem));
}
else
{
SimpleTemplate st = new SimpleTemplate(loopBody);
sb.Append(st.Render(argItem));
}
}
if (lastIndex >= 0)
{
SimpleTemplate afterFor = new SimpleTemplate(Content.Substring(lastIndex));
sb.Append(afterFor.Render(args));
}
}
}
}
return(sb.ToString());
}
/// <summary>
/// 解析include模版
/// </summary>
/// <param name="tpl"></param>
/// <returns></returns>
protected String AnalyzeTemplate(String tpl, Dictionary <String, Object> args)
{
String result = tpl;
MatchCollection mc = Regex.Matches(result, Constants.INCLUDE_REGEX);
foreach (Match m in mc)
{
String variable = GetVariable(m.Value);
SimpleTemplate template = TemplateFactory.GetTemplate <SimpleTemplate>(variable);
String value = null;
if (template != null)
{
value = template.Render(args);
}
else
{
value = String.Format(" [can't find template \"{0}\"] ", variable);
}
result = result.Replace(m.Value, value);
}
return(result);
}
