122 lines
3.2 KiB
C#
122 lines
3.2 KiB
C#
//
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// Authors:
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// Marek Habersack (mhabersack@novell.com)
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//
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// (C) 2007 Novell, Inc
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Xml;
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using System.Xml.XPath;
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namespace Mono.MonoConfig
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{
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class DefaultNode
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{
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string contents;
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FeatureTarget target;
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public string Contents {
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get { return contents; }
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}
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public FeatureTarget Target {
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get { return target; }
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}
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public DefaultNode (string contents, FeatureTarget target)
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{
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this.contents = contents;
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this.target = target;
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}
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}
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public class DefaultNodeHandler : IDocumentNodeHandler, IDefaultContainer, IStorageConsumer
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{
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string section;
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string contents;
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FeatureTarget target;
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Dictionary <string, DefaultNode> storage;
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public void ReadConfiguration (XPathNavigator nav)
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{
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section = Helpers.GetRequiredNonEmptyAttribute (nav, "section");
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target = Helpers.ConvertEnum <FeatureTarget> (Helpers.GetRequiredNonEmptyAttribute (nav, "target"), "target");
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XPathNodeIterator iter = nav.Select ("./text()");
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StringBuilder sb = new StringBuilder ();
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while (iter.MoveNext ())
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sb.Append (iter.Current.Value);
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if (sb.Length > 0)
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contents = sb.ToString ();
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}
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public void StoreConfiguration ()
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{
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AssertStorage ();
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DefaultNode dn = new DefaultNode (contents, target);
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if (storage.ContainsKey (section))
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storage [section] = dn;
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else
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storage.Add (section, dn);
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section = null;
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contents = null;
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storage = null;
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}
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public string FindDefault (string sectionName, FeatureTarget target)
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{
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AssertStorage ();
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if (storage.ContainsKey (sectionName)) {
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DefaultNode dn = storage [sectionName];
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if (target == FeatureTarget.Any || dn.Target == FeatureTarget.Any || dn.Target == target)
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return dn.Contents;
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}
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return null;
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}
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public void SetStorage (object storage)
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{
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this.storage = storage as Dictionary <string, DefaultNode>;
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if (this.storage == null)
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throw new ApplicationException ("Invalid storage type");
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}
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void AssertStorage ()
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{
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if (storage == null)
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throw new ApplicationException ("No storage attached");
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}
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}
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}
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