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https://github.com/codex-storage/cs-codex-dist-tests.git
synced 2025-02-09 02:35:18 +00:00
Extract assigner from argsUniform
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Ben
parent
9717591224
commit
b3771cce32
@ -4,9 +4,8 @@ namespace ArgsUniform
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{
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public class ArgsUniform<T>
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{
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private readonly Assigner<T> assigner;
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private readonly Action printAppInfo;
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private readonly object? defaultsProvider;
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private readonly IEnv.IEnv env;
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private readonly string[] args;
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private const int cliStart = 8;
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private const int shortStart = 38;
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@ -31,9 +30,9 @@ namespace ArgsUniform
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public ArgsUniform(Action printAppInfo, object defaultsProvider, IEnv.IEnv env, params string[] args)
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{
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this.printAppInfo = printAppInfo;
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this.defaultsProvider = defaultsProvider;
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this.env = env;
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this.args = args;
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assigner = new Assigner<T>(env, args, defaultsProvider);
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}
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public T Parse(bool printResult = false)
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@ -53,7 +52,7 @@ namespace ArgsUniform
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var attr = uniformProperty.GetCustomAttribute<UniformAttribute>();
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if (attr != null)
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{
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if (!UniformAssign(result, attr, uniformProperty) && attr.Required)
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if (!assigner.UniformAssign(result, attr, uniformProperty) && attr.Required)
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{
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missingRequired.Add(uniformProperty);
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}
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@ -124,130 +123,5 @@ namespace ArgsUniform
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Console.CursorLeft = descStart;
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Console.Write(desc + Environment.NewLine);
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}
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private object GetDefaultValue(Type t)
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{
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if (t.IsValueType) return Activator.CreateInstance(t)!;
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return null!;
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}
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private bool UniformAssign(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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if (AssignFromArgsIfAble(result, attr, uniformProperty)) return true;
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if (AssignFromEnvVarIfAble(result, attr, uniformProperty)) return true;
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if (AssignFromDefaultsIfAble(result, uniformProperty)) return true;
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return false;
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}
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private bool AssignFromDefaultsIfAble(T result, PropertyInfo uniformProperty)
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{
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var currentValue = uniformProperty.GetValue(result);
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var isEmptryString = (currentValue as string) == string.Empty;
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if (currentValue != GetDefaultValue(uniformProperty.PropertyType) && !isEmptryString) return true;
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if (defaultsProvider == null) return false;
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var defaultProperty = defaultsProvider.GetType().GetProperties().SingleOrDefault(p => p.Name == uniformProperty.Name);
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if (defaultProperty == null) return false;
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var value = defaultProperty.GetValue(defaultsProvider);
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if (value != null)
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{
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return Assign(result, uniformProperty, value);
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}
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return false;
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}
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private bool AssignFromEnvVarIfAble(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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var e = env.GetEnvVarOrDefault(attr.EnvVar, string.Empty);
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if (!string.IsNullOrEmpty(e))
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{
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return Assign(result, uniformProperty, e);
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}
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return false;
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}
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private bool AssignFromArgsIfAble(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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var fromArg = GetFromArgs(attr.Arg);
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if (fromArg != null)
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{
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return Assign(result, uniformProperty, fromArg);
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}
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var fromShort = GetFromArgs(attr.ArgShort);
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if (fromShort != null)
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{
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return Assign(result, uniformProperty, fromShort);
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}
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return false;
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}
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private bool Assign(T result, PropertyInfo uniformProperty, object value)
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{
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if (uniformProperty.PropertyType == value.GetType())
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{
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uniformProperty.SetValue(result, value);
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return true;
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}
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else
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{
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if (uniformProperty.PropertyType == typeof(string) || uniformProperty.PropertyType == typeof(int))
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{
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uniformProperty.SetValue(result, Convert.ChangeType(value, uniformProperty.PropertyType));
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return true;
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}
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else
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{
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if (uniformProperty.PropertyType == typeof(int?)) return AssignOptionalInt(result, uniformProperty, value);
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if (uniformProperty.PropertyType.IsEnum) return AssignEnum(result, uniformProperty, value);
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if (uniformProperty.PropertyType == typeof(bool)) return AssignBool(result, uniformProperty, value);
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throw new NotSupportedException();
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}
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}
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}
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private static bool AssignEnum(T result, PropertyInfo uniformProperty, object value)
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{
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var s = value.ToString();
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if (Enum.TryParse(uniformProperty.PropertyType, s, out var e))
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{
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uniformProperty.SetValue(result, e);
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return true;
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}
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return false;
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}
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private static bool AssignOptionalInt(T result, PropertyInfo uniformProperty, object value)
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{
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if (int.TryParse(value.ToString(), out int i))
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{
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uniformProperty.SetValue(result, i);
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return true;
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}
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return false;
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}
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private static bool AssignBool(T result, PropertyInfo uniformProperty, object value)
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{
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var s = value.ToString();
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if (s == "1" || (s != null && s.ToLowerInvariant() == "true"))
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{
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uniformProperty.SetValue(result, true);
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}
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return true;
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}
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private string? GetFromArgs(string key)
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{
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var argKey = $"--{key}=";
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var arg = args.FirstOrDefault(a => a.StartsWith(argKey));
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if (arg != null)
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{
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return arg.Substring(argKey.Length);
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}
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return null;
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}
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}
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}
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142
Framework/ArgsUniform/Assigner.cs
Normal file
142
Framework/ArgsUniform/Assigner.cs
Normal file
@ -0,0 +1,142 @@
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using System.Reflection;
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namespace ArgsUniform
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{
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public class Assigner<T>
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{
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private readonly IEnv.IEnv env;
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private readonly string[] args;
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private readonly object? defaultsProvider;
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public Assigner(IEnv.IEnv env, string[] args, object? defaultsProvider)
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{
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this.env = env;
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this.args = args;
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this.defaultsProvider = defaultsProvider;
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}
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public bool UniformAssign(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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if (AssignFromArgsIfAble(result, attr, uniformProperty)) return true;
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if (AssignFromEnvVarIfAble(result, attr, uniformProperty)) return true;
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if (AssignFromDefaultsIfAble(result, uniformProperty)) return true;
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return false;
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}
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private bool AssignFromDefaultsIfAble(T result, PropertyInfo uniformProperty)
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{
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var currentValue = uniformProperty.GetValue(result);
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var isEmptryString = (currentValue as string) == string.Empty;
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if (currentValue != GetDefaultValueForType(uniformProperty.PropertyType) && !isEmptryString) return true;
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if (defaultsProvider == null) return false;
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var defaultProperty = defaultsProvider.GetType().GetProperties().SingleOrDefault(p => p.Name == uniformProperty.Name);
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if (defaultProperty == null) return false;
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var value = defaultProperty.GetValue(defaultsProvider);
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if (value != null)
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{
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return Assign(result, uniformProperty, value);
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}
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return false;
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}
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private bool AssignFromEnvVarIfAble(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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var e = env.GetEnvVarOrDefault(attr.EnvVar, string.Empty);
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if (!string.IsNullOrEmpty(e))
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{
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return Assign(result, uniformProperty, e);
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}
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return false;
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}
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private bool AssignFromArgsIfAble(T result, UniformAttribute attr, PropertyInfo uniformProperty)
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{
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var fromArg = GetFromArgs(attr.Arg);
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if (fromArg != null)
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{
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return Assign(result, uniformProperty, fromArg);
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}
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var fromShort = GetFromArgs(attr.ArgShort);
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if (fromShort != null)
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{
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return Assign(result, uniformProperty, fromShort);
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}
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return false;
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}
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private bool Assign(T result, PropertyInfo uniformProperty, object value)
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{
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if (uniformProperty.PropertyType == value.GetType())
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{
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uniformProperty.SetValue(result, value);
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return true;
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}
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else
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{
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if (uniformProperty.PropertyType == typeof(string) || uniformProperty.PropertyType == typeof(int))
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{
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uniformProperty.SetValue(result, Convert.ChangeType(value, uniformProperty.PropertyType));
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return true;
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}
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else
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{
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if (uniformProperty.PropertyType == typeof(int?)) return AssignOptionalInt(result, uniformProperty, value);
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if (uniformProperty.PropertyType.IsEnum) return AssignEnum(result, uniformProperty, value);
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if (uniformProperty.PropertyType == typeof(bool)) return AssignBool(result, uniformProperty, value);
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throw new NotSupportedException();
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}
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}
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}
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private static bool AssignEnum(T result, PropertyInfo uniformProperty, object value)
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{
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var s = value.ToString();
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if (Enum.TryParse(uniformProperty.PropertyType, s, out var e))
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{
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uniformProperty.SetValue(result, e);
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return true;
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}
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return false;
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}
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private static bool AssignOptionalInt(T result, PropertyInfo uniformProperty, object value)
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{
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if (int.TryParse(value.ToString(), out int i))
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{
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uniformProperty.SetValue(result, i);
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return true;
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}
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return false;
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}
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private static bool AssignBool(T result, PropertyInfo uniformProperty, object value)
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{
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var s = value.ToString();
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if (s == "1" || (s != null && s.ToLowerInvariant() == "true"))
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{
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uniformProperty.SetValue(result, true);
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}
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return true;
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}
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private string? GetFromArgs(string key)
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{
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var argKey = $"--{key}=";
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var arg = args.FirstOrDefault(a => a.StartsWith(argKey));
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if (arg != null)
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{
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return arg.Substring(argKey.Length);
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}
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return null;
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}
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private static object GetDefaultValueForType(Type t)
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{
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if (t.IsValueType) return Activator.CreateInstance(t)!;
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return null!;
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}
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}
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}
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