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

namespace Zhaizj.Framework.Serialization {


    internal class ObjectJsonParser : JsonParserBase {

        private Dictionary<String, object> map = new Dictionary<String, object>();

        public override Object getResult() {
            return this.map;
        }

        public ObjectJsonParser( CharSource charSrc )
            : base( charSrc ) {
        }

        protected override void parse() {

            charSrc.moveToText();

            if (charSrc.getCurrent() != '{') throw ex( "json Object must start with { " );


            charSrc.moveToText();
            if (charSrc.getCurrent() == '}') return;
            charSrc.back();

            parseOne();

        }

        private void parseOne() {


            charSrc.moveToText();

            if (charSrc.getCurrent() == '}') return;

            // 解析key
            charSrc.back();
            String key = moveAndGetParser().getResult().ToString();

            // 解析冒号
            charSrc.moveToText();
            if (charSrc.getCurrent() != ':') throw ex( "json object's property pair must seperated with :" );

            // 解析value
            Object val = moveAndGetParser().getResult();

            // 获取值
            map.Add( key, val );

            // 处理剩下的字符
            charSrc.moveToText();
            char c = charSrc.getCurrent();
            if (c == '}') return;
            if (c != ',') throw ex( "json object's property must seperated with ," );

            charSrc.moveToText();
            if (charSrc.getCurrent() == '}')
                return;
            else {
                charSrc.back();
                parseOne();
            }


        }


    }

}