/// <summary>
/// 克隆当前元素到新的宿主模板
/// </summary>
/// <param name="ownerTemplate"></param>
/// <returns></returns>
internal override DMEWeb_Element Clone(DMEWeb_Template ownerTemplate)
{
DMEWeb_TemplateDocument tag = new DMEWeb_TemplateDocument(this.DocumentConfig);
//优先拷贝变量
foreach (DMEWeb_Variable var in this.Variables)
{
tag.Variables.Add(var.Clone(tag));
}
tag.Id = this.Id;
tag.Name = this.Name;
foreach (var att in this.Attributes)
{
tag.Attributes.Add(att.Clone(tag));
}
tag.Charset = this.Charset;
tag.File = this.File;
tag.fileDependencies = this.fileDependencies;
tag.Visible = this.Visible;
foreach (DMEWeb_Element element in this.InnerElements)
{
DMEWeb_Element item = element.Clone(tag);
tag.AppendChild(item);
if (element is DMEWeb_Template && this.DocumentElement == element) tag.DocumentElement = (DMEWeb_Template)item;
}
if (tag.DocumentElement == null) tag.DocumentElement = tag;
return tag;
}
/// <summary>
/// 从文件缓存中构建模板文档对象
/// </summary>
/// <param name="fileName"></param>
/// <param name="charset"></param>
/// <param name="documentConfig"></param>
/// <returns></returns>
public static DMEWeb_TemplateDocument FromFileCache(string fileName, Encoding charset, DMEWeb_TemplateDocumentConfig documentConfig)
{
Cache cache = HttpRuntime.Cache;
if (documentConfig == null) documentConfig = DMEWeb_TemplateDocumentConfig.Default;
//没有缓存则直接返回实例
if (cache == null) return new DMEWeb_TemplateDocument(fileName, charset, documentConfig);
fileName = Path.GetFullPath(fileName);
string cacheKey = string.Format("TEMPLATE_DOCUMENT_CACHE_ITEM_{0}_{1}_{2}", documentConfig.TagOpenMode, documentConfig.CompressText, fileName);
DMEWeb_TemplateDocument document = cache.Get(cacheKey) as DMEWeb_TemplateDocument;
if (document == null)
{
document = new DMEWeb_TemplateDocument(fileName, charset, documentConfig);
cache.Insert(cacheKey, document, new CacheDependency(document.FileDependencies));
}
//返回副本
return document.Clone();
}
