65 lines
2.9 KiB
C#
65 lines
2.9 KiB
C#
namespace Caliburn.Micro.Core {
|
|
using System;
|
|
|
|
/// <summary>
|
|
/// Helper class for encoding strings to regular expression patterns
|
|
/// </summary>
|
|
public static class RegExHelper {
|
|
/// <summary>
|
|
/// Regular expression pattern for valid name
|
|
/// </summary>
|
|
public const string NameRegEx = @"[\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}_][\p{Lu}\p{Ll}\p{Lt}\p{Lm}\p{Lo}\p{Nl}\p{Mn}\p{Mc}\p{Nd}\p{Pc}\p{Cf}_]*";
|
|
|
|
/// <summary>
|
|
/// Regular expression pattern for subnamespace (including dot)
|
|
/// </summary>
|
|
public const string SubNamespaceRegEx = NameRegEx + @"\.";
|
|
|
|
/// <summary>
|
|
/// Regular expression pattern for namespace or namespace fragment
|
|
/// </summary>
|
|
public const string NamespaceRegEx = "(" + SubNamespaceRegEx + ")*";
|
|
|
|
/// <summary>
|
|
/// Creates a named capture group with the specified regular expression
|
|
/// </summary>
|
|
/// <param name="groupName">Name of capture group to create</param>
|
|
/// <param name="regEx">Regular expression pattern to capture</param>
|
|
/// <returns>Regular expression capture group with the specified group name</returns>
|
|
public static string GetCaptureGroup(string groupName, string regEx) {
|
|
return String.Concat(@"(?<", groupName, ">", regEx, ")");
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a namespace (including wildcards) to a regular expression string
|
|
/// </summary>
|
|
/// <param name="srcNamespace">Source namespace to convert to regular expression</param>
|
|
/// <returns>Namespace converted to a regular expression</returns>
|
|
public static string NamespaceToRegEx(string srcNamespace) {
|
|
//Need to escape the "." as it's a special character in regular expression syntax
|
|
var nsencoded = srcNamespace.Replace(".", @"\.");
|
|
|
|
//Replace "*" wildcard with regular expression syntax
|
|
nsencoded = nsencoded.Replace(@"*\.", NamespaceRegEx);
|
|
return nsencoded;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a capture group for a valid name regular expression pattern
|
|
/// </summary>
|
|
/// <param name="groupName">Name of capture group to create</param>
|
|
/// <returns>Regular expression capture group with the specified group name</returns>
|
|
public static string GetNameCaptureGroup(string groupName) {
|
|
return GetCaptureGroup(groupName, NameRegEx);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Creates a capture group for a namespace regular expression pattern
|
|
/// </summary>
|
|
/// <param name="groupName">Name of capture group to create</param>
|
|
/// <returns>Regular expression capture group with the specified group name</returns>
|
|
public static string GetNamespaceCaptureGroup(string groupName) {
|
|
return GetCaptureGroup(groupName, NamespaceRegEx);
|
|
}
|
|
}
|
|
} |