You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.5 KiB
75 lines
2.5 KiB
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.IO.Abstractions;
|
|
using System.Linq;
|
|
using Trash.YamlDotNet;
|
|
using YamlDotNet.Core;
|
|
using YamlDotNet.Core.Events;
|
|
using YamlDotNet.Serialization;
|
|
using YamlDotNet.Serialization.NamingConventions;
|
|
|
|
namespace Trash.Config
|
|
{
|
|
public class ConfigurationLoader<T> : IConfigurationLoader<T>
|
|
where T : BaseConfiguration
|
|
{
|
|
private readonly IConfigurationProvider<T> _configProvider;
|
|
private readonly IDeserializer _deserializer;
|
|
private readonly IFileSystem _fileSystem;
|
|
|
|
public ConfigurationLoader(IConfigurationProvider<T> configProvider, IFileSystem fileSystem,
|
|
IObjectFactory objectFactory)
|
|
{
|
|
_configProvider = configProvider;
|
|
_fileSystem = fileSystem;
|
|
_deserializer = new DeserializerBuilder()
|
|
.WithNamingConvention(UnderscoredNamingConvention.Instance)
|
|
// .WithNamingConvention(CamelCaseNamingConvention.Instance)
|
|
.WithTypeConverter(new YamlNullableEnumTypeConverter())
|
|
.WithObjectFactory(objectFactory)
|
|
.Build();
|
|
}
|
|
|
|
public IEnumerable<T> Load(string configPath, string configSection)
|
|
{
|
|
using var stream = _fileSystem.File.OpenText(configPath);
|
|
return LoadFromStream(stream, configSection);
|
|
}
|
|
|
|
public IEnumerable<T> LoadFromStream(TextReader stream, string configSection)
|
|
{
|
|
var parser = new Parser(stream);
|
|
parser.Consume<StreamStart>();
|
|
parser.Consume<DocumentStart>();
|
|
parser.Consume<MappingStart>();
|
|
|
|
var configs = new List<T>();
|
|
while (parser.TryConsume<Scalar>(out var key))
|
|
{
|
|
if (key.Value == configSection)
|
|
{
|
|
configs = _deserializer.Deserialize<List<T>>(parser);
|
|
}
|
|
|
|
parser.SkipThisAndNestedEvents();
|
|
}
|
|
|
|
if (configs.Count == 0)
|
|
{
|
|
throw new ConfigurationException(configSection, typeof(T));
|
|
}
|
|
|
|
return configs;
|
|
}
|
|
|
|
public IEnumerable<T> LoadMany(IEnumerable<string> configFiles, string configSection)
|
|
{
|
|
foreach (var config in configFiles.SelectMany(file => Load(file, configSection)))
|
|
{
|
|
_configProvider.ActiveConfiguration = config;
|
|
yield return config;
|
|
}
|
|
}
|
|
}
|
|
}
|