Files
linux-packaging-mono/mcs/class/Commons.Xml.Relaxng/Commons.Xml.Relaxng/Misc.cs
Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

105 lines
2.5 KiB
C#

//
// Commons.Xml.Relaxng.General.cs
//
// Author:
// Atsushi Enomoto <ginga@kit.hi-ho.ne.jp>
//
// 2003 Atsushi Enomoto "No rights reserved."
//
// Copyright (c) 2004 Novell Inc.
// All rights reserved
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.IO;
using System.Text;
using System.Xml;
using Commons.Xml.Relaxng.Derivative;
namespace Commons.Xml.Relaxng
{
internal class Util
{
public static string NormalizeWhitespace (string s)
{
if (s.Length == 0)
return s;
StringBuilder sb = null;
int noSpaceIndex = 0;
bool inSpace = false;
for (int i = 0; i < s.Length; i++) {
switch (s [i]) {
case ' ':
case '\r':
case '\t':
case '\n':
if (inSpace)
continue;
if (sb == null)
sb = new StringBuilder (s.Length);
if (noSpaceIndex < i) {
if (sb.Length > 0)
sb.Append (' ');
sb.Append (s, noSpaceIndex, i - noSpaceIndex);
}
inSpace = true;
break;
default:
if (inSpace) {
noSpaceIndex = i;
inSpace = false;
}
break;
}
}
if (sb == null)
return s;
if (!inSpace && noSpaceIndex < s.Length) {
sb.Append (' ');
sb.Append (s, noSpaceIndex, s.Length - noSpaceIndex);
}
return sb.ToString ();
}
public static bool IsWhitespace (string s)
{
for (int i = 0; i < s.Length; i++) {
switch (s [i]) {
case ' ':
case '\t':
case '\n':
case '\r':
continue;
default:
return false;
}
}
return true;
}
}
}