/// <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 TemplateDocument FromFileCache(string fileName, Encoding charset, TemplateDocumentConfig documentConfig) { Cache cache = HttpRuntime.Cache; if (documentConfig == null) { documentConfig = TemplateDocumentConfig.Default; } //没有缓存则直接返回实例 if (cache == null) { return(new TemplateDocument(fileName, charset, documentConfig)); } fileName = Path.GetFullPath(fileName); string cacheKey = string.Format("TEMPLATE_DOCUMENT_CACHE_ITEM_{0}_{1}_{2}", documentConfig.TagOpenMode, documentConfig.CompressText, fileName); TemplateDocument document = cache.Get(cacheKey) as TemplateDocument; if (document == null) { document = new TemplateDocument(fileName, charset, documentConfig); cache.Insert(cacheKey, document, new CacheDependency(document.FileDependencies)); } //返回副本 return(document.Clone()); }
/// <summary> /// 克隆当前元素到新的宿主模板 /// </summary> /// <param name="ownerTemplate"></param> /// <returns></returns> internal override Element Clone(Template ownerTemplate) { TemplateDocument tag = new TemplateDocument(this.DocumentConfig); //优先拷贝变量 foreach (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 (Element element in this.InnerElements) { Element item = element.Clone(tag); tag.AppendChild(item); if (element is Template && this.DocumentElement == element) { tag.DocumentElement = (Template)item; } } if (tag.DocumentElement == null) { tag.DocumentElement = tag; } return(tag); }
/// <summary> /// 注册当前呈现的标签 /// </summary> /// <param name="tag"></param> internal void RegisterCurrentRenderingTag(Tag tag) { TemplateDocument.CurrentRenderingDocument = tag == null ? null : tag.OwnerDocument; this.CurrentRenderingTag = tag; }