mirror of
https://github.com/ShareX/ShareX.git
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188 lines
No EOL
7.7 KiB
C#
188 lines
No EOL
7.7 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2020 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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using Newtonsoft.Json.Serialization;
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using System.IO;
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using System.Text;
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namespace ShareX.HelpersLib
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{
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public static class JsonHelpers
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{
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public static void Serialize<T>(T obj, TextWriter textWriter, DefaultValueHandling defaultValueHandling = DefaultValueHandling.Include,
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NullValueHandling nullValueHandling = NullValueHandling.Include, ISerializationBinder serializationBinder = null)
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{
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if (textWriter != null)
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{
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using (JsonTextWriter jsonTextWriter = new JsonTextWriter(textWriter))
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{
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jsonTextWriter.Formatting = Formatting.Indented;
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JsonSerializer serializer = new JsonSerializer();
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serializer.ContractResolver = new WritablePropertiesOnlyResolver();
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serializer.Converters.Add(new StringEnumConverter());
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serializer.DefaultValueHandling = defaultValueHandling;
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serializer.NullValueHandling = nullValueHandling;
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serializer.TypeNameHandling = TypeNameHandling.Auto;
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if (serializationBinder != null) serializer.SerializationBinder = serializationBinder;
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serializer.Serialize(jsonTextWriter, obj);
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}
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}
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}
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public static string SerializeToString<T>(T obj, DefaultValueHandling defaultValueHandling = DefaultValueHandling.Include,
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NullValueHandling nullValueHandling = NullValueHandling.Include, ISerializationBinder serializationBinder = null)
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{
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StringBuilder sb = new StringBuilder();
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using (StringWriter stringWriter = new StringWriter(sb))
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{
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Serialize(obj, stringWriter, defaultValueHandling, nullValueHandling, serializationBinder);
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}
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return sb.ToString();
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}
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public static void SerializeToStream<T>(T obj, Stream stream, DefaultValueHandling defaultValueHandling = DefaultValueHandling.Include,
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NullValueHandling nullValueHandling = NullValueHandling.Include, ISerializationBinder serializationBinder = null)
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{
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if (stream != null)
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{
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using (StreamWriter streamWriter = new StreamWriter(stream))
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{
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Serialize(obj, streamWriter, defaultValueHandling, nullValueHandling, serializationBinder);
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}
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}
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}
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public static MemoryStream SerializeToMemoryStream<T>(T obj, DefaultValueHandling defaultValueHandling = DefaultValueHandling.Include,
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NullValueHandling nullValueHandling = NullValueHandling.Include, ISerializationBinder serializationBinder = null)
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{
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MemoryStream memoryStream = new MemoryStream();
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SerializeToStream(obj, memoryStream, defaultValueHandling, nullValueHandling, serializationBinder);
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return memoryStream;
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}
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public static void SerializeToFile<T>(T obj, string filePath, DefaultValueHandling defaultValueHandling = DefaultValueHandling.Include,
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NullValueHandling nullValueHandling = NullValueHandling.Include, ISerializationBinder serializationBinder = null)
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{
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if (!string.IsNullOrEmpty(filePath))
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{
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Helpers.CreateDirectoryFromFilePath(filePath);
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using (FileStream fileStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Read, 4096, FileOptions.WriteThrough))
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{
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SerializeToStream(obj, fileStream, defaultValueHandling, nullValueHandling, serializationBinder);
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}
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}
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}
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public static T Deserialize<T>(TextReader textReader, ISerializationBinder serializationBinder = null)
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{
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if (textReader != null)
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{
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using (JsonTextReader jsonTextReader = new JsonTextReader(textReader))
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{
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JsonSerializer serializer = new JsonSerializer();
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serializer.Converters.Add(new StringEnumConverter());
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serializer.ObjectCreationHandling = ObjectCreationHandling.Replace;
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serializer.TypeNameHandling = TypeNameHandling.Auto;
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if (serializationBinder != null) serializer.SerializationBinder = serializationBinder;
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serializer.Error += (sender, e) => e.ErrorContext.Handled = true;
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return serializer.Deserialize<T>(jsonTextReader);
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}
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}
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return default;
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}
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public static T DeserializeFromString<T>(string json, ISerializationBinder serializationBinder = null)
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{
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if (!string.IsNullOrEmpty(json))
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{
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using (StringReader stringReader = new StringReader(json))
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{
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return Deserialize<T>(stringReader, serializationBinder);
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}
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}
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return default;
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}
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public static T DeserializeFromStream<T>(Stream stream, ISerializationBinder serializationBinder = null)
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{
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if (stream != null)
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{
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using (StreamReader streamReader = new StreamReader(stream))
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{
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return Deserialize<T>(streamReader, serializationBinder);
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}
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}
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return default;
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}
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public static T DeserializeFromFile<T>(string filePath, ISerializationBinder serializationBinder = null)
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{
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if (!string.IsNullOrEmpty(filePath) && File.Exists(filePath))
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{
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using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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if (fileStream.Length > 0)
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{
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return DeserializeFromStream<T>(fileStream, serializationBinder);
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}
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}
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}
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return default;
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}
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public static bool QuickVerifyJsonFile(string filePath)
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{
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try
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{
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if (!string.IsNullOrEmpty(filePath) && File.Exists(filePath))
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{
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using (FileStream fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
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{
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if (fileStream.Length > 1 && fileStream.ReadByte() == (byte)'{')
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{
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fileStream.Seek(-1, SeekOrigin.End);
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return fileStream.ReadByte() == (byte)'}';
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}
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}
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}
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}
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catch
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{
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}
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return false;
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}
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}
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} |