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AbstractXMLNode.cs

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00001 
00002 //
00003 // XML storage classes version 1.5
00004 //
00005 // AbstractXMLNode.cs
00006 //
00007 // Copyright (c) 2010, 2014 Martin Fuchs <martin-fuchs@gmx.net>
00008 //
00009 
00010 
00011 /*
00012 
00013  All rights reserved.
00014 
00015  Redistribution and use in source and binary forms, with or without
00016  modification, are permitted provided that the following conditions are met:
00017 
00018  * Redistributions of source code must retain the above copyright
00019     notice, this list of conditions and the following disclaimer.
00020  * Redistributions in binary form must reproduce the above copyright
00021     notice, this list of conditions and the following disclaimer in
00022     the documentation and/or other materials provided with the
00023     distribution.
00024 
00025  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00026  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00028  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00029  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00030  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00031  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00032  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00033  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00034  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00035  POSSIBILITY OF SUCH DAMAGE.
00036 
00037 */
00038 
00039 using System.IO;
00040 using System.Xml;
00041 using System.Collections.Generic;
00042 
00043 namespace XMLStorage
00044 {
00045 
00046 /**
00047  * AbstractXMLNode is the base class of XMLNode and XMLStreamNode.
00048  * @author martin
00049  */
00050 public abstract class AbstractXMLNode
00051 {
00052     protected Dictionary<string, string> _attributes = new Dictionary<string, string>();
00053     internal string _content = "";
00054 
00055     public abstract string getName();
00056 
00057     /// read only access to an attribute
00058     public abstract string get(string attrName);
00059 
00060     /// read only access to an attribute with default value
00061     public abstract string get(string attrName, string def);
00062 
00063     public abstract string getContent();
00064 
00065     public abstract override string ToString();
00066 
00067     public XMLInt getInt(string attrName)
00068     {
00069         return new XMLInt(this, attrName);
00070     }
00071     public XMLInt getInt(string attrName, int def)
00072     {
00073         return new XMLInt(this, attrName, def);
00074     }
00075 
00076     public XMLDecimal getNumber(string attrName)
00077     {
00078         return new XMLDecimal(this, attrName);
00079     }
00080     public XMLDecimal getNumber(string attrName, decimal def)
00081     {
00082         return new XMLDecimal(this, attrName, def);
00083     }
00084 
00085     public XMLBool getBool(string attrName)
00086     {
00087         return new XMLBool(this, attrName);
00088     }
00089     public XMLBool getBool(string attrName, bool def)
00090     {
00091         return new XMLBool(this, attrName, def);
00092     }
00093 
00094     public XMLString getString(string attrName)
00095     {
00096         return new XMLString(this, attrName);
00097     }
00098     public XMLString getString(string attrName, string def)
00099     {
00100         return new XMLString(this, attrName, def);
00101     }
00102 
00103     public void setAttributes(XmlReader reader)
00104     {
00105         while(reader.MoveToNextAttribute()) {
00106             string attrNS = reader.NamespaceURI;
00107             string attrName = reader.Name;
00108             string attrValue = reader.Value;
00109 
00110             if (attrNS.Length > 0)
00111                 attrName = attrNS + ":" + attrName;
00112 
00113             _attributes.Add(attrName, attrValue);
00114         }
00115     }
00116 
00117     public bool hasAttributes()
00118     {
00119         return _attributes.Count > 0;
00120     }
00121 };
00122 
00123 } // namespace XMLStorage

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