namespace com.hitrust.trustpay.client
{
    using System;
    using System.Collections;
    using System.IO;
    using System.Text;

    public class IniFileParser
    {
        private string iFileName;
        private SortedList iKeyValue;

        public IniFileParser(string aFileName)
        {
            this.iFileName = aFileName;
            this.initial();
        }

        public virtual string getTag(int aIndex)
        {
            return (string) this.iKeyValue.GetKey(aIndex);
        }

        public virtual string getValue(int aIndex)
        {
            return (string) this.iKeyValue.GetByIndex(aIndex);
        }

        public virtual string getValue(string aTag)
        {
            if (!this.iKeyValue.Contains(aTag))
            {
                return null;
            }
            return (string) this.iKeyValue.GetByIndex(this.iKeyValue.IndexOfKey(aTag));
        }

        private void initial()
        {
            try
            {
                string tLine;
                StreamReader tFile = new StreamReader(this.iFileName);
                StreamReader tBuff = new StreamReader(tFile.BaseStream, Encoding.UTF7);
                this.iKeyValue = new SortedList();
                while ((tLine = tBuff.ReadLine()) != null)
                {
                    if ((tLine.Length > 0) && (((tLine[0] != '#') && (tLine[0] != ';')) && (tLine[0] != ' ')))
                    {
                        this.parsingLine(tLine);
                    }
                }
                tBuff.Close();
            }
            catch (IOException)
            {
                throw new Exception("找不到配置文件！");
            }
        }

        [STAThread]
        public static void Main(string[] arguments)
        {
            if (arguments.Length == 0)
            {
                Console.Out.WriteLine("Usage: java ReadSource [FileName].");
            }
            else
            {
                IniFileParser tIni = new IniFileParser(arguments[0]);
                Console.Out.WriteLine("HiTRUST Java Utilities Class - IniFileParser Testing");
                Console.Out.WriteLine("Initial File Name = [" + arguments[0] + "]");
                Console.Out.WriteLine("Number of Elements = [" + tIni.numberOfElements() + "]");
                for (int i = 0; i < tIni.numberOfElements(); i++)
                {
                    Console.Out.WriteLine("[" + tIni.getTag(i) + "] - [" + tIni.getValue(i) + "]");
                }
            }
        }

        public virtual int numberOfElements()
        {
            return this.iKeyValue.Keys.Count;
        }

        private void parsingLine(string aLine)
        {
            int tTagEnd = aLine.IndexOf("=");
            int tValueStart = tTagEnd + 1;
            int tValueEnd = aLine.Length;
            for (int i = tValueStart; i < tValueEnd; i++)
            {
                if (((aLine[i] == '#') || (aLine[i] == ';')) || (aLine[i] == ' '))
                {
                    tValueEnd = i;
                    break;
                }
                if (aLine[i] == '"')
                {
                    tValueEnd = aLine.LastIndexOf("\"");
                    tValueStart++;
                    break;
                }
            }
            this.iKeyValue.Add(aLine.Substring(0, tTagEnd), aLine.Substring(tValueStart, tValueEnd - tValueStart));
        }

        public virtual void reload()
        {
            this.initial();
        }
    }
}