[源代码] - C#代码搜索器 - 续

在前文 [源代码] - C#代码搜索器 中我开发了一个代码搜索器. 我对其做的最后改动是将索引保存到磁盘中, 以备今后使用.

如今, 我在工作中又接到一项新任务: 有一个大项目, 其中10个负责数据访问的service即将被淘汰, 将会替换成entity framework的方式. 这10个service一共有近130个operation. 项目中所有调用这些operation的地方都必须被替换成新的EF方式. 整个项目有47902个cs文件. 现在要做个分析, 找到所有需要修改的地方.

稍作思考, 开工! 

先创建一个console project, 引入WEBUS2.0 SDK. 将10个service和130个operation的信息放到字符串数组中:

static string[] DS_OP_List = new string[] {

    "xxxxDS.CalculatePilotCloseOut",

    "xxxxDS.CreatexxFirstAcont",

    "xxxxDS.CreatexxUnallocatedULD",

    "xxxxDS.xxCargoGetTare",

    "xxxxDS.xxCargoCreateAbulk",

    "xxxxDS.xxCargoDeleteAbulk",

    "xxxxDS.xxCargoMoveAbulk"

    ...

}; //共130个, 公司有规定, 所以用xxx替代真实值 :)

然后打开Index (关于如何创建Index请参见前文:  [源代码] - C#代码搜索器), 再循环对operation进行搜索:

static void Main(string[] args)

{

    IIndexer index = new IndexManager(); //构造索引对象

    index.Open(@"C:\xxx\CodeSearch.Index", IndexOpenMode.Read); //以只读方式打开索引

    ISearcher se = new IndexSearcher(index); //构造搜索对象

    using (CSVFile csv = new CSVFile(@"c:\temp\xx_DS_Analysis.csv")) //将结果保存在csv文件中

    {

        foreach (var ds_op in DS_OP_List)

        {

            var key = ds_op.Split('.')[1].ToLower(); //从Service.Operation中提取Operation, 比如从xxxxDS.CalculatePilotCloseOut中提取CalculatePilotCloseOut中提取

            var hits = se.Search(string.Format("Code=\"{0}\"", key)); //搜索表达式: Code="CalculatePilotCloseOut"

            Console.WriteLine("{0}/{1}", key, hits.Count);

            foreach (HitDoc hit in hits)

            {

                csv.Write(ds_op, hit.GetDoc().GetField("FileName").Value.ToString()); //依次输出"服务名", "方法名", "文件名"到csv中

            }

        }

    }

    Console.ReadLine();

}

最后上一个生成CSV文件的工具类:

public class CSVFile : IDisposable

{

    public string FileName { get; private set; }

    private StreamWriter sw = null;

    private StreamReader sr = null;

    private FileStream fsWrite = null;

    private FileStream fsRead = null;



    public CSVFile(string filename)

        : this(filename, Encoding.UTF8, FileMode.OpenOrCreate)

    {

    }



    public CSVFile(string filename, FileMode mode)

        : this(filename, Encoding.UTF8, mode)

    {

    }



    public CSVFile(string filename, Encoding encoding, FileMode mode)

    {

        this.FileName = filename;

        fsWrite = new FileStream(filename, mode, FileAccess.Write, FileShare.Read);

        fsWrite.Seek(0, SeekOrigin.End);

        fsRead = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);

        sw = new StreamWriter(fsWrite, encoding);

        sr = new StreamReader(fsRead, encoding);

    }



    public void Close()

    {

        sw.Close();

        sr.Close();

    }



    public string[] Read()

    {

        string text = sr.ReadLine();

        if (string.IsNullOrEmpty(text))

        {

            return null;

        }

        return text.Split(',');

    }



    public string[] FindNext(string startKeyword, StringComparison comparisonType = StringComparison.InvariantCultureIgnoreCase)

    {

        string[] result = null;

        while ((result = this.Read()) != null)

        {

            if (result[0].StartsWith(startKeyword, comparisonType))

            {

                return result;

            }

            else

            {

                continue;

            }

        }

        return null;

    }



    public void Write(params string[] values)

    {

        StringBuilder sb = new StringBuilder();

        foreach (var v in values)

        {

            sb.Append(v + ",");

        }

        sw.WriteLine(sb.ToString().Substring(0, sb.Length - 1));

    }



    public void Dispose()

    {

        this.Close();

    }

}

View Code

ok, 大功告成! 运行: