2 // System.Web.Util.StrUtils
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (C) 2005 Novell, Inc, (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Globalization;
35 namespace System.Web.Util {
36 internal sealed class StrUtils
40 public static bool StartsWith (string str1, string str2)
42 return StartsWith (str1, str2, false);
45 public static bool StartsWith (string str1, string str2, bool ignore_case)
55 return (0 == String.Compare (str1, 0, str2, 0, l2, ignore_case, Helpers.InvariantCulture));
58 public static bool EndsWith (string str1, string str2)
60 return EndsWith (str1, str2, false);
63 public static bool EndsWith (string str1, string str2, bool ignore_case)
73 return (0 == String.Compare (str1, l1 - l2, str2, 0, l2, ignore_case, Helpers.InvariantCulture));
76 public static string EscapeQuotesAndBackslashes (string attributeValue)
78 StringBuilder sb = null;
79 for (int i = 0; i < attributeValue.Length; i++) {
80 char ch = attributeValue [i];
81 if (ch == '\'' || ch == '"' || ch == '\\') {
83 sb = new StringBuilder ();
84 sb.Append (attributeValue.Substring (0, i));
95 return sb.ToString ();
96 return attributeValue;
99 public static bool IsNullOrEmpty (string value)
101 return String.IsNullOrEmpty (value);
104 public static string [] SplitRemoveEmptyEntries (string value, char [] separator)
106 return value.Split (separator, StringSplitOptions.RemoveEmptyEntries);