100 lines
3.8 KiB
C#
100 lines
3.8 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2020
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Xml;
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using System.Xml.Linq;
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using ASC.Data.Backup.Extensions;
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namespace ASC.Data.Backup.Tasks.Data
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{
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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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} |