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PartNameLookup.cs
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PartNameLookup.cs
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/*
This file is part of LDDPartsList.
LDDPartsList is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LDDPartsList is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LDDPartsList. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Xml;
using System.Xml.XPath;
namespace LDDPartsList
{
/// <summary>
/// Lookup for designID&materialID keys.
/// </summary>
class PartNameLookup
{
XPathDocument xp;
XPathNavigator xn;
XmlNamespaceManager ns;
/// <summary>
/// Constructor of PartNameLookup.
/// </summary>
/// <param name="partnamesfile">File containing the part descriptions.</param>
public PartNameLookup(string partnamesfile)
{
xp = new XPathDocument(partnamesfile);
xn = xp.CreateNavigator();
ns = new XmlNamespaceManager(xn.NameTable);
}
/// <summary>
/// Get the name from the part description XML.
/// </summary>
/// <param name="designID">The designID form the LXFML Part</param>
/// <param name="materialID">The materialID form the LXFML Part</param>
/// <returns>The name of the part, or "Unknown".</returns>
public String GetNameOfPart(int designID, int materialID)
{
XPathNodeIterator xi = xn.Select("//part[@designID='" + designID + "' and @materialID='" + materialID + "']");
if (xi.Count > 0)
{
xi.MoveNext();
return xi.Current.GetAttribute("name", ns.DefaultNamespace);
} else {
xi = xn.Select("//part[@designID='" + designID + "' and @materialID='-1']");
if (xi.Count > 0)
{
xi.MoveNext();
return xi.Current.GetAttribute("name", ns.DefaultNamespace);
}
}
return "Unknown";
}
/// <summary>
/// Get the name from the part description XML.
/// </summary>
/// <param name="hash">The hash from the SortedDictionary<int, Brick>.</param>
/// <returns>The name of the part or "Unknown".</returns>
public String GetNameOfPart(int hash)
{
int[] h = UnHash(hash);
return GetNameOfPart(h[0], h[1]);
}
/// <summary>
/// Hash splitter.
/// </summary>
/// <param name="hash">The hash from the SortedDictionary<int, Brick>.</param>
/// <returns>Array. [0] is designID, [1] is materialID.</returns>
private int[] UnHash(int hash)
{
int[] res = new int[2];
res[0] = hash / 1000;
res[1] = hash % 1000;
return res;
}
}
}