Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / PrefixQName.cs / 1305376 / PrefixQName.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml.Xsl.XsltOld { using Res = System.Xml.Utils.Res; using System; using System.Diagnostics; using System.Xml; internal sealed class PrefixQName { public string Prefix; public string Name; public string Namespace; internal void ClearPrefix() { Prefix = string.Empty; } internal void SetQName(string qname) { PrefixQName.ParseQualifiedName(qname, out Prefix, out Name); } // // Parsing qualified names // public static void ParseQualifiedName(string qname, out string prefix, out string local) { Debug.Assert(qname != null); prefix = string.Empty; local = string.Empty; // parse first NCName (prefix or local name) int position = ValidateNames.ParseNCName(qname); if (position == 0) { throw XsltException.Create(Res.Xslt_InvalidQName, qname); } local = qname.Substring(0, position); // not at the end -> parse ':' and the second NCName (local name) if (position < qname.Length) { if (qname[position] == ':') { int startLocalNamePos = ++position; prefix = local; int len = ValidateNames.ParseNCName(qname, position); position += len; if (len == 0) { throw XsltException.Create(Res.Xslt_InvalidQName, qname); } local = qname.Substring(startLocalNamePos, len); } // still not at the end -> error if (position < qname.Length) { throw XsltException.Create(Res.Xslt_InvalidQName, qname); } } } public static bool ValidatePrefix(string prefix) { if (prefix.Length == 0) { return false; } int endPos = ValidateNames.ParseNCName(prefix, 0); return endPos == prefix.Length; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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