Reorganize filter object code

This commit is contained in:
Matt Nadareski
2023-08-11 13:34:28 -04:00
parent eb38620d70
commit 25ba9db624
2 changed files with 51 additions and 47 deletions

View File

@@ -61,52 +61,6 @@ namespace SabreTools.Filter
this.Operation = operation;
}
/// <summary>
/// Derive an operation from the input string, if possible
/// </summary>
private static Operation GetOperation(string? operation)
{
return operation?.ToLowerInvariant() switch
{
"=" => Operation.Equals,
"==" => Operation.Equals,
":" => Operation.Equals,
"::" => Operation.Equals,
"!" => Operation.NotEquals,
"!=" => Operation.NotEquals,
"!:" => Operation.NotEquals,
">" => Operation.GreaterThan,
">=" => Operation.GreaterThanOrEqual,
"<" => Operation.LessThan,
"<=" => Operation.LessThanOrEqual,
_ => Operation.NONE,
};
}
/// <summary>
/// Derive a key, operation, and value from the input string, if possible
/// </summary>
private static (string?, Operation, string?) SplitFilterString(string? filterString)
{
if (filterString == null)
return (null, Operation.NONE, null);
// Split the string using regex
var match = Regex.Match(filterString, @"^(?<itemField>[a-zA-Z.]+)(?<operation>[=!:><]{1,2})(?<value>.*)$");
if (!match.Success)
return (null, Operation.NONE, null);
string itemField = match.Groups["itemField"].Value;
Operation operation = GetOperation(match.Groups["operation"].Value);
string value = match.Groups["value"].Value;
return (itemField, operation, value);
}
#region Matching
/// <summary>
@@ -270,5 +224,55 @@ namespace SabreTools.Filter
}
#endregion
#region Helpers
/// <summary>
/// Derive an operation from the input string, if possible
/// </summary>
private static Operation GetOperation(string? operation)
{
return operation?.ToLowerInvariant() switch
{
"=" => Operation.Equals,
"==" => Operation.Equals,
":" => Operation.Equals,
"::" => Operation.Equals,
"!" => Operation.NotEquals,
"!=" => Operation.NotEquals,
"!:" => Operation.NotEquals,
">" => Operation.GreaterThan,
">=" => Operation.GreaterThanOrEqual,
"<" => Operation.LessThan,
"<=" => Operation.LessThanOrEqual,
_ => Operation.NONE,
};
}
/// <summary>
/// Derive a key, operation, and value from the input string, if possible
/// </summary>
private static (string?, Operation, string?) SplitFilterString(string? filterString)
{
if (filterString == null)
return (null, Operation.NONE, null);
// Split the string using regex
var match = Regex.Match(filterString, @"^(?<itemField>[a-zA-Z.]+)(?<operation>[=!:><]{1,2})(?<value>.*)$");
if (!match.Success)
return (null, Operation.NONE, null);
string itemField = match.Groups["itemField"].Value;
Operation operation = GetOperation(match.Groups["operation"].Value);
string value = match.Groups["value"].Value;
return (itemField, operation, value);
}
#endregion
}
}