92 lines
3.5 KiB
C#
92 lines
3.5 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Data.Backup.Tasks.Data;
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internal static class DataRowInfoReader
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{
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private const string XmlSchemaNamespace = "http://www.w3.org/2001/XMLSchema";
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public static IEnumerable<DataRowInfo> ReadFromStream(Stream stream)
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{
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var readerSettings = new XmlReaderSettings
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{
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CheckCharacters = false,
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CloseInput = false
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};
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using var xmlReader = XmlReader.Create(stream, readerSettings);
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xmlReader.MoveToContent();
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xmlReader.ReadToFollowing("schema", XmlSchemaNamespace);
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var schema = new Dictionary<string, string>();
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if (XNode.ReadFrom(xmlReader) is XElement schemaElement)
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{
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foreach (var entry in schemaElement.Descendants(XName.Get("sequence", XmlSchemaNamespace)).Single().Elements(XName.Get("element", XmlSchemaNamespace)))
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{
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schema.Add(entry.Attribute("name").ValueOrDefault(), entry.Attribute("type").ValueOrDefault());
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}
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}
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while (xmlReader.Read())
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{
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if (xmlReader.NodeType == XmlNodeType.Element)
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{
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if (XNode.ReadFrom(xmlReader) is XElement el)
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{
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var dataRowInfo = new DataRowInfo(el.Name.LocalName);
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foreach (var column in schema)
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{
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var value = ConvertToType(el.Element(column.Key).ValueOrDefault(), column.Value);
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dataRowInfo.SetValue(column.Key, value);
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}
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yield return dataRowInfo;
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}
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}
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}
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}
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private static object ConvertToType(string str, string schemaType)
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{
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if (str == null)
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{
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return null;
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}
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if (schemaType == "xs:boolean")
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{
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return Convert.ToBoolean(str);
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}
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if (schemaType == "xs:base64Binary")
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{
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return Convert.FromBase64String(str);
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}
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return str;
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}
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}
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