3rdpartylibs/fastreports.wpf/FastReport.Base/Code/CodeHelper.cs

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Reflection;
#if NETSTANDARD || NETCOREAPP
using FastReport.Code.CodeDom.Compiler;
#else
using System.CodeDom.Compiler;
#endif
using FastReport.Data;
using FastReport.Engine;
using FastReport.Utils;



namespace FastReport.Code
{
    internal abstract partial class CodeHelperBase
    {
        #region Fields
        private Report report;
        #endregion

        #region Properties
        public Report Report
        {
            get { return report; }
        }
        #endregion

        #region Protected Methods
        protected string StripEventHandlers(Hashtable events)
        {
            using (Report report = new Report())
            {
                report.LoadFromString(Report.SaveToString());
                report.ScriptText = EmptyScript();

                List<Base> list = new List<Base>();
                foreach (Base c in report.AllObjects)
                {
                    list.Add(c);
                }
                list.Add(report);

                foreach (Base c in list)
                {
                    PropertyInfo[] props = c.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
                    foreach (PropertyInfo info in props)
                    {
                        if (info.PropertyType == typeof(string) && info.Name.EndsWith("Event"))
                        {
                            string value = (string)info.GetValue(c, null);
                            if (!String.IsNullOrEmpty(value))
                            {
                                string cName = c.Name + ".";
                                if (c is Report)
                                    cName = "";
                                events.Add(cName + info.Name.Replace("Event", ""), value);
                                info.SetValue(c, "", null);
                            }
                        }
                    }
                }

                return report.SaveToString();
            }
        }

        protected abstract string GetTypeDeclaration(Type type);
        #endregion


        #region Public Methods
        public abstract string EmptyScript();
        public abstract CodeDomProvider GetCodeProvider();
        public abstract int GetPositionToInsertOwnItems(string scriptText);
        public abstract string AddField(Type type, string name);
        public abstract string BeginCalcExpression();
        public abstract string AddExpression(string expr, string value);
        public abstract string EndCalcExpression();
        public abstract string ReplaceColumnName(string name, Type type);
        public abstract string ReplaceParameterName(Parameter parameter);
        public abstract string ReplaceVariableName(Parameter parameter);
        public abstract string ReplaceTotalName(string name);
        public abstract string GenerateInitializeMethod();
        public abstract string ReplaceClassName(string scriptText, string className);
        public abstract string GetMethodSignature(MethodInfo info, bool fullForm);
        public abstract string GetMethodSignatureAndBody(MethodInfo info);
        public abstract string GetPropertySignature(PropertyInfo info, bool fullForm);
        #endregion

        public CodeHelperBase(Report report)
        {
            this.report = report;
        }

    }

}