moved some files

VocaluxeLib/CXMLReader.cs

@@ -0,0 +1,197 @@
+#region license
+// /*
+//     This file is part of Vocaluxe.
+// 
+//     Vocaluxe 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.
+// 
+//     Vocaluxe 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 Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+//  */
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Xml.XPath;
+
+namespace VocaluxeLib.Menu
+{
+    public class CXMLReader
+    {
+        private readonly XPathNavigator _Navigator;
+        private readonly String _FileName;
+
+        public string FileName
+        {
+            get { return _FileName; }
+        }
+
+        //Private method. Use OpenFile factory method to get an instance
+        private CXMLReader(string uri)
+        {
+            _FileName = uri;
+            XPathDocument xmlDoc = new XPathDocument(uri);
+            _Navigator = xmlDoc.CreateNavigator();
+        }
+
+        public XPathNavigator Navigator
+        {
+            get { return _Navigator; }
+        }
+
+        public static CXMLReader OpenFile(string fileName)
+        {
+            try
+            {
+                return new CXMLReader(fileName);
+            }
+            catch (Exception e)
+            {
+                CBase.Log.LogError("Can't open XML file: " + fileName + ": " + e.Message);
+                return null;
+            }
+        }
+
+        public bool TryGetEnumValue<T>(string cast, ref T value)
+            where T : struct
+        {
+            string val;
+            if (GetValue(cast, out val, Enum.GetName(typeof(T), value)))
+            {
+                CHelper.TryParse(val, out value, true);
+                return true;
+            }
+            return false;
+        }
+
+        public bool TryGetIntValue(string cast, ref int value)
+        {
+            string val;
+            if (GetValue(cast, out val, value.ToString()))
+                return int.TryParse(val, out value);
+            return false;
+        }
+
+        public bool TryGetIntValueRange(string cast, ref int value, int min = 0, int max = 100)
+        {
+            bool result = TryGetIntValue(cast, ref value);
+            if (result)
+            {
+                if (value < min)
+                    value = min;
+                else if (value > max)
+                    value = max;
+            }
+            return result;
+        }
+
+        public bool TryGetFloatValue(string cast, ref float value)
+        {
+            string val;
+            return GetValue(cast, out val, value.ToString()) && CHelper.TryParse(val, out value);
+        }
+
+        public bool GetValue(string cast, out string value, string defaultValue)
+        {
+            int resultCt = 0;
+            string val = string.Empty;
+
+            _Navigator.MoveToFirstChild();
+            XPathNodeIterator iterator = _Navigator.Select(cast);
+
+            while (iterator.MoveNext())
+            {
+                val = iterator.Current.Value;
+                resultCt++;
+            }
+
+            if (resultCt != 1)
+            {
+                value = defaultValue;
+                return false;
+            }
+            value = val;
+            return true;
+        }
+
+        public List<string> GetValues(string cast)
+        {
+            List<string> values = new List<string>();
+
+            _Navigator.MoveToRoot();
+            _Navigator.MoveToFirstChild();
+            _Navigator.MoveToFirstChild();
+
+            while (_Navigator.Name != cast)
+                _Navigator.MoveToNext();
+
+            _Navigator.MoveToFirstChild();
+
+            values.Add(_Navigator.LocalName);
+            while (_Navigator.MoveToNext())
+                values.Add(_Navigator.LocalName);
+
+            return values;
+        }
+
+        public IEnumerable<string> GetAttributes(string cast, string attribute)
+        {
+            List<string> values = new List<string>();
+
+            _Navigator.MoveToRoot();
+            _Navigator.MoveToFirstChild();
+
+            while (_Navigator.Name != cast)
+                _Navigator.MoveToNext();
+
+            _Navigator.MoveToFirstChild();
+
+            values.Add(_Navigator.LocalName);
+            while (_Navigator.MoveToNext())
+                values.Add(_Navigator.GetAttribute(attribute, ""));
+
+            return values;
+        }
+
+        public bool GetInnerValues(string cast, ref List<string> values)
+        {
+            _Navigator.MoveToRoot();
+            _Navigator.MoveToFirstChild();
+            _Navigator.MoveToFirstChild();
+
+            while (_Navigator.Name != cast)
+                _Navigator.MoveToNext();
+
+            _Navigator.MoveToFirstChild();
+
+            values.Add(_Navigator.Value);
+            while (_Navigator.MoveToNext())
+                values.Add(_Navigator.Value);
+
+            return true;
+        }
+
+        public bool ItemExists(string cast)
+        {
+            int results = 0;
+
+            _Navigator.MoveToFirstChild();
+            XPathNodeIterator iterator = _Navigator.Select(cast);
+
+            while (iterator.MoveNext())
+                results++;
+
+            if (results == 0)
+                return false;
+
+            return true;
+        }
+    }
+}