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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Data
{
using System;
public static class IntermediateFieldExtensions
{
[ThreadStatic]
internal static string valueContext;
public static bool AsBool(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return false;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.Bool:
return field.Value.AsBool();
case IntermediateFieldType.Number:
return field.Value.AsNumber() != 0;
case IntermediateFieldType.String:
return !String.IsNullOrEmpty(field.Value.AsString());
case IntermediateFieldType.Path:
return !String.IsNullOrEmpty(field.Value.AsPath()?.Path);
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to boolean");
}
}
public static bool? AsNullableBool(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return null;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.Bool:
return field.Value.AsBool();
case IntermediateFieldType.Number:
return field.Value.AsNumber() != 0;
case IntermediateFieldType.String:
return !String.IsNullOrEmpty(field.Value.AsString());
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to boolean");
}
}
public static int AsNumber(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return 0;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.Bool:
return field.Value.AsBool() ? 1 : 0;
case IntermediateFieldType.Number:
return field.Value.AsNumber();
case IntermediateFieldType.String:
return Convert.ToInt32(field.Value.AsString());
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to number");
}
}
public static int? AsNullableNumber(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return null;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.Bool:
return field.Value.AsBool() ? 1 : 0;
case IntermediateFieldType.Number:
return field.Value.AsNumber();
case IntermediateFieldType.String:
return Convert.ToInt32(field.Value.AsString());
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to number");
}
}
public static IntermediateFieldPathValue AsPath(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return null;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.String:
return new IntermediateFieldPathValue { Path = field.Value.AsString() };
case IntermediateFieldType.Path:
return field.Value.AsPath();
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to string");
}
}
public static string AsString(this IntermediateField field)
{
if (field == null || field.Value == null || field.Value.Data == null)
{
return null;
}
switch (field.Definition.Type)
{
case IntermediateFieldType.Bool:
return field.Value.AsBool() ? "true" : "false";
case IntermediateFieldType.Number:
return field.Value.AsNumber().ToString();
case IntermediateFieldType.String:
return field.Value.AsString();
case IntermediateFieldType.Path:
return field.Value.AsPath()?.Path;
default:
throw new InvalidCastException($"Cannot convert field {field.Name} with type {field.Type} to string");
}
}
public static object AsObject(this IntermediateField field)
{
return field?.Value.Data;
}
public static IntermediateField Set(this IntermediateField field, bool value)
{
object data;
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
switch (field.Type)
{
case IntermediateFieldType.Bool:
data = value;
break;
case IntermediateFieldType.LargeNumber:
data = value ? (long)1 : (long)0;
break;
case IntermediateFieldType.Number:
data = value ? 1 : 0;
break;
case IntermediateFieldType.Path:
throw new ArgumentException($"Cannot convert bool '{value}' to a 'Path' field type.", nameof(value));
case IntermediateFieldType.String:
data = value ? "true" : "false";
break;
default:
throw new ArgumentOutOfRangeException(nameof(value), $"Unknown intermediate field type: {value.GetType()}");
};
return AssignFieldValue(field, data);
}
public static IntermediateField Set(this IntermediateField field, bool? value)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
return value.HasValue ? field.Set(value.Value) : AssignFieldValue(field, null);
}
public static IntermediateField Set(this IntermediateField field, long value)
{
object data;
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
switch (field.Type)
{
case IntermediateFieldType.Bool:
data = (value != 0);
break;
case IntermediateFieldType.LargeNumber:
data = value;
break;
case IntermediateFieldType.Number:
data = (int)value;
break;
case IntermediateFieldType.Path:
throw new ArgumentException($"Cannot convert large number '{value}' to a 'Path' field type.", nameof(value));
case IntermediateFieldType.String:
data = value.ToString();
break;
default:
throw new ArgumentOutOfRangeException(nameof(value), $"Unknown intermediate field type: {value.GetType()}");
};
return AssignFieldValue(field, data);
}
public static IntermediateField Set(this IntermediateField field, long? value)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
return value.HasValue ? field.Set(value.Value) : AssignFieldValue(field, null);
}
public static IntermediateField Set(this IntermediateField field, int value)
{
object data;
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
switch (field.Type)
{
case IntermediateFieldType.Bool:
data = (value != 0);
break;
case IntermediateFieldType.LargeNumber:
data = (long)value;
break;
case IntermediateFieldType.Number:
data = value;
break;
case IntermediateFieldType.Path:
throw new ArgumentException($"Cannot convert number '{value}' to a 'Path' field type.", nameof(value));
case IntermediateFieldType.String:
data = value.ToString();
break;
default:
throw new ArgumentOutOfRangeException(nameof(value), $"Unknown intermediate field type: {value.GetType()}");
};
return AssignFieldValue(field, data);
}
public static IntermediateField Set(this IntermediateField field, int? value)
{
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
return value.HasValue ? field.Set(value.Value) : AssignFieldValue(field, null);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldPathValue value)
{
object data;
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
else if (value == null) // null is always allowed.
{
data = null;
}
else
{
switch (field.Type)
{
case IntermediateFieldType.Bool:
throw new ArgumentException($"Cannot convert path '{value.Path}' to a 'bool' field type.", nameof(value));
case IntermediateFieldType.LargeNumber:
throw new ArgumentException($"Cannot convert path '{value.Path}' to a 'large number' field type.", nameof(value));
case IntermediateFieldType.Number:
throw new ArgumentException($"Cannot convert path '{value.Path}' to a 'number' field type.", nameof(value));
case IntermediateFieldType.Path:
data = value;
break;
case IntermediateFieldType.String:
data = value.Path;
break;
default:
throw new ArgumentOutOfRangeException(nameof(value), $"Unknown intermediate field type: {value.GetType()}");
};
}
return AssignFieldValue(field, data);
}
public static IntermediateField Set(this IntermediateField field, string value)
{
object data;
if (field == null)
{
throw new ArgumentNullException(nameof(field));
}
else if (value == null) // Null is always allowed.
{
data = null;
}
else
{
switch (field.Type)
{
case IntermediateFieldType.Bool:
if (value.Equals("yes", StringComparison.OrdinalIgnoreCase) || value.Equals("true", StringComparison.OrdinalIgnoreCase))
{
data = true;
}
else if (value.Equals("no", StringComparison.OrdinalIgnoreCase) || value.Equals("false", StringComparison.OrdinalIgnoreCase))
{
data = false;
}
else
{
throw new ArgumentException($"Cannot convert string '{value}' to a 'bool' field type.", nameof(value));
}
break;
case IntermediateFieldType.LargeNumber:
if (Int64.TryParse(value, out var largeNumber))
{
data = largeNumber;
}
else
{
throw new ArgumentException($"Cannot convert string '{value}' to a 'large number' field type.", nameof(value));
}
break;
case IntermediateFieldType.Number:
if (Int32.TryParse(value, out var number))
{
data = number;
}
else
{
throw new ArgumentException($"Cannot convert string '{value}' to a 'number' field type.", nameof(value));
}
break;
case IntermediateFieldType.Path:
data = new IntermediateFieldPathValue { Path = value };
break;
case IntermediateFieldType.String:
data = value;
break;
default:
throw new ArgumentOutOfRangeException(nameof(value), $"Unknown intermediate field type: {value.GetType()}");
};
}
return AssignFieldValue(field, data);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, bool value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, bool? value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, long value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, long? value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, int value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, int? value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, IntermediateFieldPathValue value)
{
return EnsureField(field, definition).Set(value);
}
public static IntermediateField Set(this IntermediateField field, IntermediateFieldDefinition definition, string value)
{
return EnsureField(field, definition).Set(value);
}
private static IntermediateField AssignFieldValue(IntermediateField field, object data)
{
field.Value = new IntermediateFieldValue
{
Context = valueContext,
Data = data,
PreviousValue = field.Value
};
return field;
}
private static IntermediateField EnsureField(IntermediateField field, IntermediateFieldDefinition definition)
{
return field ?? new IntermediateField(definition);
}
}
}
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