JumboTCMS_src/JumboTCMS.TEngine/TemplateManager.cs

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using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;

using System.Reflection;
using System.IO;
using JumboTCMS.TEngine.Parser.AST;

namespace JumboTCMS.TEngine
{
    public delegate object TemplateFunction(object[] args);

    public class TemplateManager
    {
        bool silentErrors;

        Dictionary<string, TemplateFunction> functions;

        Dictionary<string, ITagHandler> customTags;

        VariableScope variables;		// current variable scope
        Expression currentExpression;	// current expression being evaluated

        TextWriter writer;				// all output is sent here

        Template mainTemplate;			// main template to execute
        Template currentTemplate;		// current template being executed

        ITemplateHandler handler;		// handler will be set as "this" object

        /// <summary>
        /// create template manager using a template
        /// </summary>
        public TemplateManager(Template template)
        {
            this.mainTemplate = template;
            this.currentTemplate = template;
            this.silentErrors = false;

            Init();
        }

        public static TemplateManager FromString(string template)
        {
            Template itemplate = Template.FromString("", template);
            return new TemplateManager(itemplate);
        }

        public static TemplateManager FromFile(string filename)
        {
            Template template = Template.FromFile("", filename);
            return new TemplateManager(template);
        }

        /// <summary>
        /// handler is used as "this" object, and will receive
        /// before after process message
        /// </summary>
        public ITemplateHandler Handler