2 // System.Globalization.SortKey.cs
5 // Dick Porter (dick@ximian.com)
7 // (C) 2002 Ximian, Inc.
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 namespace System
.Globalization
{
35 [System
.Runtime
.InteropServices
.ComVisible(true)]
37 public class SortKey
{
39 private CompareOptions options
;
43 /* Hide the .ctor() */
46 internal SortKey (int lcid
, string source
, CompareOptions options
)
50 this.options
= options
;
53 public virtual byte[] KeyData
60 public virtual string OriginalString
67 public static int Compare (SortKey sortkey1
, SortKey sortkey2
)
69 if (sortkey1
== null) {
70 throw new ArgumentNullException ("sortkey1");
72 if (sortkey2
== null) {
73 throw new ArgumentNullException ("sortkey2");
76 byte[] keydata1
= sortkey1
.key
;
77 byte[] keydata2
= sortkey2
.key
;
79 if (keydata1
.Length
== 0) {
80 if (keydata2
.Length
== 0) {
86 int min_len
= (keydata1
.Length
< keydata2
.Length
) ? keydata1
.Length
: keydata2
.Length
;
88 for (int i
= 0; i
< min_len
; i
++) {
89 if (keydata1
[i
] > keydata2
[i
]) {
91 } else if (keydata1
[i
] < keydata2
[i
]) {
96 if (keydata1
.Length
< keydata2
.Length
) {
98 } else if (keydata1
.Length
> keydata2
.Length
) {
105 public override bool Equals (object value)
107 SortKey other
= (value as SortKey
);
109 if ((this.lcid
== other
.lcid
) &&
110 (this.options
== other
.options
) &&
111 (Compare (this, other
) == 0)) {
119 public override int GetHashCode ()
121 return str
.GetHashCode ();
124 public override string ToString ()
126 return ("SortKey - " + lcid
+ ", " + options
+ ", " + str
);