src/SSCMS.Core/Services/ParseManager.StlEntityParser.cs

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using System;
using System.Text;
using System.Threading.Tasks;
using SSCMS.Core.StlParser.Utility;
using SSCMS.Parse;
using SSCMS.Utils;

namespace SSCMS.Core.Services
{
    public partial class ParseManager
    {
        /// <summary>
        /// 将原始内容中的STL实体替换为实际内容
        /// </summary>
        public async Task ReplaceStlEntitiesAsync(StringBuilder parsedBuilder)
        {
            var stlEntityList = ParseUtils.GetStlEntities(parsedBuilder.ToString());

            foreach (var stlEntity in stlEntityList)
            {
                var startIndex = parsedBuilder.ToString().IndexOf(stlEntity, StringComparison.Ordinal);
                if (startIndex == -1) continue;

                var resultContent = await ParseStlEntityAsync(stlEntity);
                parsedBuilder.Replace(stlEntity, resultContent, startIndex, stlEntity.Length);
            }
        }

        public async Task<string> ParseStlEntityAsync(string stlEntity)
        {
            var entityType = GetEntityType(stlEntity);

            if (entityType == StlEntityType.Stl)
            {
                stlEntity = StringUtils.ReplaceStartsWithIgnoreCase(stlEntity, "{stl.", "{stl:value type=");
                //parsedContent = await StlStlEntities.ParseAsync(stlEntity, this);
            }
            //else if (entityType == StlEntityType.StlElement)
            //{
            //    parsedContent = await StlElementEntities.ParseAsync(stlEntity, this);
            //}
            else if (entityType == StlEntityType.Content)
            {
                stlEntity = StringUtils.ReplaceStartsWithIgnoreCase(stlEntity, "{content.", "{stl:content type=");
                //parsedContent = await StlContentEntities.ParseAsync(stlEntity, this);
            }
            else if (entityType == StlEntityType.Channel)
            {
                stlEntity = StringUtils.ReplaceStartsWithIgnoreCase(stlEntity, "{channel.", "{stl:channel type=");
                //parsedContent = await StlChannelEntities.ParseAsync(stlEntity, this);
            }
            else if (entityType == StlEntityType.Request)
            {
                stlEntity = StringUtils.ReplaceStartsWithIgnoreCase(stlEntity, "{request.", "{stl:request type=");
                //parsedContent = await StlRequestEntities.ParseAsync(stlEntity, this);
            }
            else if (entityType == StlEntityType.Navigation)
            {
                stlEntity = StringUtils.ReplaceStartsWithIgnoreCase(stlEntity, "{navigation.", "{stl:navigation type=");
                //parsedContent = await StlNavigationEntities.ParseAsync(stlEntity, this);