测试了一把 XslTransform 的性能

最新推荐文章于 2021-07-05 16:43:54 发布

jasonvip_c

最新推荐文章于 2021-07-05 16:43:54 发布

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文章标签：测试 xslt xsl encoding stylesheet xml

本文链接：https://blog.youkuaiyun.com/jasonvip_c/article/details/4644693

版权

Using directives

namespace testXsltTransform
{
    class Program
    {
        static string xml0, xslt0, prefix;

        definition

        public Program(string _prefix, string xml, string xslt)
        {
            prefix = _prefix;
            xml0 = xml;
            xslt0 = xslt;
        }

        public interface IXmlLoader
        {
            XPathNavigator GetXml();
        }

        public interface ITransformLoader
        {
            XslTransform GetTransform();
        }

        XPath Loader

        XmlDocument Loader

        XmlDataDocument Loader

        cache

        void trans(IXmlLoader xml, ITransformLoader trans)
        {
            //using (MemoryStream output = new MemoryStream())
            using(NullStream output = new NullStream())
            {
                trans.GetTransform().Transform(xml.GetXml(), null, output);
                output.Flush();
                //Console.WriteLine(Encoding.Default.GetString(output.ToArray()));
            }
        }

        public class NullStream : System.IO.Stream
        {
            public override bool CanRead{get { return false; }}

            public override bool CanSeek{get { return false; }}

            public override bool CanWrite{get { return true; }}

            public override void Flush(){}
            public override long Length{get { throw new global::System.NotImplementedException(); }}

            public override long Position
            {
                get{throw new global::System.NotImplementedException();}
                set{throw new global::System.NotImplementedException();}
            }

            public override int Read(byte[] buffer, int offset, int count){throw new NotImplementedException();}

            public override long Seek(long offset, SeekOrigin origin){throw new NotImplementedException();}

            public override void SetLength(long value){throw new NotImplementedException();}

            public override void Write(byte[] buffer, int offset, int count){}
        }

        public class Tri
        {
            public string descr;
            public IXmlLoader xml;
            public ITransformLoader trans;
            public Tri(string _des, IXmlLoader _xml, ITransformLoader _trans)
            {
                descr = _des; xml = _xml; trans = _trans;
            }
        }

        testcode

        static void Main(string[] args)
        {

            Program prog = new Program("xslt1 ", const_xml0, const_xslt0);
            prog.doTest();

            prog = new Program("xslt2 ", const_xml0, const_xslt1);
            prog.doTest();
        }

        /**//*
        Console Display:
round 0
round 1
round 2
round 3
round 4
round 5
result:
xslt1 doc:     no cache    220    210    240    220    210
xslt1 xpath:   no cache    210    190    180    180    190
xslt1 datadoc: no cache    370    360    360    350    360
xslt1 doc:     doc cache    180    190    190    200    190
xslt1 xpath:   doc cache    150    150    150    160    150
xslt1 datadoc: doc cache    620    640    640    620    610
xslt1 doc:     xslt cache    90    90    70    90    80
xslt1 xpath:   xslt cache    80    70    80    70    80
xslt1 datadoc: xslt cache    180    190    180    180    180
xslt1 doc:     all cache    50    50    50    60    50
xslt1 xpath:   all cache    40    50    40    40    40
xslt1 datadoc: all cache    430    440    420    450    410
round 0
round 1
round 2
round 3
round 4
round 5
result:
xslt2 doc:     no cache    220    200    220    230    220
xslt2 xpath:   no cache    160    250    170    170    160
xslt2 datadoc: no cache    360    390    360    350    370
xslt2 doc:     doc cache    170    180    180    170    170
xslt2 xpath:   doc cache    150    140    140    150    160
xslt2 datadoc: doc cache    630    650    711    701    761
xslt2 doc:     xslt cache    80    80    80    80    80
xslt2 xpath:   xslt cache    140    70    80    70    70
xslt2 datadoc: xslt cache    200    180    170    180    180
xslt2 doc:     all cache    80    50    50    40    50
xslt2 xpath:   all cache    50    40    40    40    30
xslt2 datadoc: all cache    550    430    440    450    450

        */
    }
}