1 // System.Xml.Xsl.XsltContext
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3 // Author: Tim Coleman <tim@timcoleman.com>
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4 // (C) Copyright 2002 Tim Coleman
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7 // Permission is hereby granted, free of charge, to any person obtaining
8 // a copy of this software and associated documentation files (the
9 // "Software"), to deal in the Software without restriction, including
10 // without limitation the rights to use, copy, modify, merge, publish,
11 // distribute, sublicense, and/or sell copies of the Software, and to
12 // permit persons to whom the Software is furnished to do so, subject to
13 // the following conditions:
15 // The above copyright notice and this permission notice shall be
16 // included in all copies or substantial portions of the Software.
18 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 using System.Xml.XPath;
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31 namespace System.Xml.Xsl
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33 public abstract class XsltContext : XmlNamespaceManager
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35 #region Constructors
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37 : base (new NameTable ())
41 public XsltContext (NameTable table)
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50 public abstract bool Whitespace { get; }
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51 public abstract bool PreserveWhitespace (XPathNavigator nav);
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57 public abstract int CompareDocument (string baseUri, string nextbaseUri);
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58 public abstract IXsltContextFunction ResolveFunction (string prefix, string name, XPathResultType [] ArgTypes);
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59 public abstract IXsltContextVariable ResolveVariable (string prefix, string name);
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63 #region XSLT Internal Calls
65 internal virtual IXsltContextVariable ResolveVariable (XmlQualifiedName name)
67 throw new InvalidOperationException ("somehow you got into the internals of xslt!?");
70 internal virtual IXsltContextFunction ResolveFunction (XmlQualifiedName name, XPathResultType [] ArgTypes)
72 throw new InvalidOperationException ("somehow you got into the internals of xslt!?");
77 // The static XSLT context, will try to simplify what it can
78 internal interface IStaticXsltContext
80 Expression TryGetVariable (string nm);
81 Expression TryGetFunction (XmlQualifiedName nm, FunctionArguments args);
82 XmlQualifiedName LookupQName (string s);
83 string LookupNamespace (string prefix);