XHTML 1.1验证错误：“参数实体'xhtml-inlstyle.mod'引用了自己” [英] XHTML 1.1 validation error: "Parameter entity 'xhtml-inlstyle.mod' references itself"

问题描述

嘿，我尝试使用官方dtd验证我的html页面：

Hey I try to validate my html page with official dtd :

MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(MessageBody));
ms.Position = 0;
XmlReaderSettings settingsReader = new XmlReaderSettings();
settingsReader.DtdProcessing = DtdProcessing.Parse;
settingsReader.ValidationType = ValidationType.DTD;
MyUrlResolver resolver = new MyUrlResolver();
settingsReader.XmlResolver = resolver;
 XmlReader reader = XmlReader.Create(ms, settingsReader);
 while(reader.Read()){}

和自定义XmlUrlResolver：

and custom XmlUrlResolver:

class MyUrlResolver : System.Xml.XmlUrlResolver
{
    public MyUrlResolver()
    { }

    public override object GetEntity(Uri absoluteUri, string role, Type ofObjectToReturn)
    {
        if (File.Exists(System.Web.Hosting.HostingEnvironment.MapPath("~/dtd/xhtml11.dtd")))
        {
            absoluteUri = new Uri(System.Web.Hosting.HostingEnvironment.MapPath("~/dtd/xhtml11.dtd"));
        }
        return base.GetEntity(absoluteUri, role, ofObjectToReturn);
    }

    public override Uri ResolveUri(Uri baseUri, string relativeUri)
    {
        baseUri = new Uri(System.Web.Hosting.HostingEnvironment.MapPath("~"));
        relativeUri = "dtd/xhtml11.dtd";
        return base.ResolveUri(baseUri, relativeUri);
    }
}

在阅读xml时发生验证，并且出现异常：

Durning reading xml occurs validation and I get exception:

参数实体'xhtml-inlstyle.mod'引用自身。第111行，位置21。

Parameter entity 'xhtml-inlstyle.mod' references itself. Line 111, position 21.

此处发生错误：

   <!-- Inline Style Module  ........................................ -->
<!ENTITY % xhtml-inlstyle.module "INCLUDE" >
<![%xhtml-inlstyle.module;[
<!ENTITY % xhtml-inlstyle.mod
     PUBLIC "-//W3C//ELEMENTS XHTML Inline Style 1.0//EN"
            "http://www.w3.org/MarkUp/DTD/xhtml-inlstyle-1.mod" >
%xhtml-inlstyle.mod;]]>

我不明白为什么官方dtd是错误的：/我应该怎么做？

I cannot understand why official dtd is wrong :/ What should I do ?

推荐答案

对我来说，解决方案是下载xhtml11.dtd和所有引用到dtd的* .mod文件。然后，我在dtd中删除http链接到

Solution for me was download xhtml11.dtd and all *.mod files referenced to dtd. Then I in dtd remove http links to

    <!ENTITY % xhtml-datatypes.module "INCLUDE" >
<![%xhtml-datatypes.module;[
<!ENTITY % xhtml-datatypes.mod
     PUBLIC "-//W3C//ENTITIES XHTML Datatypes 1.0//EN"
            "xhtml-datatypes-1.mod" >
%xhtml-datatypes.mod;]]>

现在在验证html页面中的dtd可以使用本地dtd，而无需从www下载；）

Now dtd during validation html page can use local dtd without download it from www ;)

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