/// <summary>
/// 获取用于分析 HTML 文档的分析器
/// </summary>
/// <param name="contentResult">文档内容加载结果</param>
/// <returns>HTML 分析器相关信息</returns>
public static IHtmlParser GetParser(HtmlContentResult contentResult)
{
if (contentResult == null)
{
throw new ArgumentNullException("contentResult");
}
lock ( _parserProvidersSync )
{
foreach (var provider in ParserProviders)
{
var parser = provider.GetParser(contentResult.VirtualPath, contentResult.Content);
if (parser != null)
{
return(parser);
}
}
}
//默认行为
return(DefaultParserProvider.GetParser(contentResult.VirtualPath, contentResult.Content));
}
/// <summary>
/// 获取用于分析 HTML 文档的分析器
/// </summary>
/// <param name="context">当前请求上下文</param>
/// <param name="contentUri">内容的地址</param>
/// <param name="htmlContent">HTML 文档内容</param>
/// <returns>HTML 分析器相关信息</returns>
public static HtmlParserResult GetParser(HttpContextBase context, Uri contentUri, string htmlContent)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (contentUri != null && !contentUri.IsAbsoluteUri)
{
throw new ArgumentException("contentUri只能为null或绝对URI", "contentUri");
}
lock ( _parserProvidersSync )
{
foreach (var provider in ParserProviders)
{
var result = provider.GetParser(context, contentUri, htmlContent);
if (result != null)
{
result.Provider = provider;
return(result);
}
}
}
//默认行为
return(DefaultParserProvider.GetParser(context, contentUri, htmlContent));
}