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Viewing changes to SqueezeCenter/src/Settings.cs

  • Committer: Jason Smith
  • Date: 2008-12-24 04:37:17 UTC
  • mto: This revision was merged to the branch mainline in revision 337.
  • Revision ID: jassmith@gmail.com-20081224043717-9yq3uhajlmnyyg5k
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SqueezeCenter/src/Settings.cs
 
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//  This program is free software: you can redistribute it and/or modify
 
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//  it under the terms of the GNU General Public License as published by
 
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//  the Free Software Foundation, either version 3 of the License, or
 
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//  (at your option) any later version.
 
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//
 
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//  This program is distributed in the hope that it will be useful,
 
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//  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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//  GNU General Public License for more details.
 
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//
 
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//  You should have received a copy of the GNU General Public License
 
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//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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using System;
 
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using System.Collections.Generic;
 
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using System.IO;
 
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using Do;
 
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namespace SqueezeCenter
 
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{
 
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        public static class Settings
 
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        {
 
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                public static void ReadSettings (string filename, ICollection<Setting> settings, bool storeMissingValues) 
 
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                {
 
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                        string line, key, val;
 
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                        int i;
 
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                        List<Setting> foundValues = new List<Setting> ();
 
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                        StreamReader fileReader;
 
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                        StreamWriter fileWriter;
 
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                        if (File.Exists (filename)) {
 
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                                try {
 
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                                        using (fileReader = new StreamReader (filename)) {
 
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                                                while (null != (line = fileReader.ReadLine ())) {
 
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                                                        line = line.Trim ();
 
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                                                        if (line.Length == 0 || line.StartsWith ("#")) continue;
 
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                                                        i = line.IndexOf ("=");
 
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                                                        if (i <= 0) continue;
 
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                                                        key = line.Substring (0, i).Trim ();
 
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                                                        val = line.Substring (i+1, line.Length - i - 1).Trim ();
 
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                                                        foreach (Setting setting in settings) {
 
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                                                                if (string.Equals (key, setting.Name, System.StringComparison.OrdinalIgnoreCase)) {
 
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                                                                        setting.Value = val;
 
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                                                                        foundValues.Add (setting);
 
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                                                                        break;
 
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                                                                }
 
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                                                        }
 
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                                                }
 
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                                        }
 
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                                }
 
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                                catch (Exception ex) {
 
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                                        Console.WriteLine ("SqueezeCenter: Error reading configuration file \"{0}\". Message: {1}", filename, ex.ToString ());
 
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                                        return; 
 
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                                }
 
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                        }
 
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                        try {
 
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                                if (storeMissingValues && foundValues.Count < settings.Count) {
 
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                                        using (fileWriter = new StreamWriter (filename, true)) {
 
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                                                foreach (Setting setting in settings) {
 
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                                                        if (!foundValues.Contains (setting)) {
 
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                                                                fileWriter.WriteLine ("# {0}", setting.Description);
 
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                                                                fileWriter.WriteLine ("{0} = {1}", setting.Name, setting.DefaultValue.ToString ());
 
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                                                        }
 
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                                                }
 
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                                        }
 
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                                }
 
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                        }
 
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                        catch (Exception ex) {
 
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                                Console.WriteLine ("SqueezeCenter: Error writing configuration file \"{0}\". Message: {1}", filename, ex.ToString ());
 
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                        }
 
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                }
 
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                public static void SaveSettings (string filename, ICollection<Setting> settings) 
 
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                {
 
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                        StreamWriter fileWriter;                                                
 
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                        using (fileWriter = new StreamWriter (filename, false)) 
 
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                        {
 
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                                foreach (Setting setting in settings) 
 
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                                {                                       
 
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                                        fileWriter.WriteLine ("# {0}", setting.Description);
 
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                                        fileWriter.WriteLine ("{0} = {1}", setting.Name, setting.Value.ToString ());                                    
 
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                                }
 
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                        }
 
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                }
 
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                public class Setting
 
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                {
 
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                        string name, description, val;
 
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                        object defaultVal;
 
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                        public Setting (string name, string description, object defaultVal)
 
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                        {
 
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                                this.name = name;
 
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                                this.description = description;
 
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                                this.val = defaultVal.ToString ();
 
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                                this.defaultVal = defaultVal;
 
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                        }
 
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                        public string Name
 
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                        {
 
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                                get { return this.name; }
 
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                        }
 
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                        public string Description
 
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                        {
 
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                                get { return this.description; }
 
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                        }
 
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                        public object DefaultValue
 
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                        {
 
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                                get { return this.defaultVal; }
 
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                                set { this.defaultVal = value; }
 
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                        }
 
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                        public string Value
 
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                        {
 
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                                get { return this.val; }
 
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                                set { this.val = value; }
 
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                        }
 
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                        public int ValueAsInt
 
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                        {
 
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                                get {
 
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                                        int result;
 
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                                        if (!int.TryParse (this.val, out result))
 
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                                                result = (int)DefaultValue;
 
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                                        return result;
 
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                                }
 
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                                set {
 
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                                        this.val = value.ToString ();
 
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                                }
 
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                        }
 
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                        public bool ValueAsBool
 
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                        {
 
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                                get {
 
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                                        bool result;
 
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                                        if (!bool.TryParse (this.val, out result))
 
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                                                result = (bool)DefaultValue;
 
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                                        return result;
 
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                                }
 
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                                set {
 
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                                        this.val = value.ToString ();
 
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                                }
 
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                        }
 
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                }
 
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        }
 
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}
 
 
b'\\ No newline at end of file'