From ddc76cf09fce594b89d7d61b24e74de14a903add Mon Sep 17 00:00:00 2001
From: Markus Ewald <cygon@nuclex.org>
Date: Sat, 19 Jul 2014 11:04:19 +0000
Subject: [PATCH] Made some progress on my configuration file parser / writer;
 ParserHelper can now skip over floating point values

git-svn-id: file:///srv/devel/repo-conversion/nusu@298 d2e56fa2-650e-0410-a79f-9358c0239efd
---
 Nuclex.Support (net-4.0).csproj               |   8 +
 Source/Configuration/ConfigurationFile.cs     |  39 ----
 .../ConfigurationFileStore.Parsing.cs         | 139 +++++++++++++++
 .../Configuration/ConfigurationFileStore.cs   | 167 ++++++++++++++++++
 Source/Configuration/ISettings.cs             |  26 ---
 Source/Configuration/ISettingsStore.cs        |  80 +++++++++
 Source/Configuration/MemoryStore.cs           |  29 +++
 Source/Configuration/OptionInfo.cs            |  36 +++-
 Source/Configuration/WindowsRegistryStore.cs  |  34 ++++
 Source/Parsing/ParserHelper.Test.cs           |   6 +-
 Source/Parsing/ParserHelper.cs                |  28 ++-
 11 files changed, 513 insertions(+), 79 deletions(-)
 delete mode 100644 Source/Configuration/ConfigurationFile.cs
 create mode 100644 Source/Configuration/ConfigurationFileStore.Parsing.cs
 create mode 100644 Source/Configuration/ConfigurationFileStore.cs
 delete mode 100644 Source/Configuration/ISettings.cs
 create mode 100644 Source/Configuration/ISettingsStore.cs
 create mode 100644 Source/Configuration/MemoryStore.cs
 create mode 100644 Source/Configuration/WindowsRegistryStore.cs

diff --git a/Nuclex.Support (net-4.0).csproj b/Nuclex.Support (net-4.0).csproj
index 14255fb..efa4c66 100644
--- a/Nuclex.Support (net-4.0).csproj	
+++ b/Nuclex.Support (net-4.0).csproj	
@@ -197,6 +197,14 @@
     <Compile Include="Source\Collections\WeakCollection.Test.cs">
       <DependentUpon>WeakCollection.cs</DependentUpon>
     </Compile>
+    <Compile Include="Source\Configuration\ConfigurationFileStore.cs" />
+    <Compile Include="Source\Configuration\ConfigurationFileStore.Parsing.cs">
+      <DependentUpon>ConfigurationFileStore.cs</DependentUpon>
+    </Compile>
+    <Compile Include="Source\Configuration\ISettingsStore.cs" />
+    <Compile Include="Source\Configuration\MemoryStore.cs" />
+    <Compile Include="Source\Configuration\OptionInfo.cs" />
+    <Compile Include="Source\Configuration\WindowsRegistryStore.cs" />
     <Compile Include="Source\GarbagePolicy.cs" />
     <Compile Include="Source\IO\PartialStream.cs" />
     <Compile Include="Source\IO\PartialStream.Test.cs">
diff --git a/Source/Configuration/ConfigurationFile.cs b/Source/Configuration/ConfigurationFile.cs
deleted file mode 100644
index f953541..0000000
--- a/Source/Configuration/ConfigurationFile.cs
+++ /dev/null
@@ -1,39 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Text;
-
-namespace Nuclex.Support.Configuration {
-	
-	/// <summary>Represents an ini- or cfg-like configuration file</summary>
-	/// <remarks>
-	///   This class tries its best to preserve the formatting of configuration files.
-	///   Changing a value will keep the line it appears in intact.
-	/// </remarks>
-	public class ConfigurationFile {
-
-		/// <summary>Initializes a new, empty configuration file</summary>
-		public ConfigurationFile() {
-			this.lines = new List<string>();
-		}
-
-		/// <summary>Parses a configuration file from the specified text reader</summary>
-		/// <param name="reader">Reader the configuration file will be parsed from</param>
-		/// <returns>The configuration file parsed from the specified reader</returns>
-		public static ConfigurationFile Parse(TextReader reader) {
-			throw new NotImplementedException();
-		}
-
-		/// <summary>Saves the configuration file into the specified writer</summary>
-		/// <param name="writer">Writer the configuration file will be saved into</param>
-		public void Save(TextWriter writer) {
-			
-		}
-
-		/// <summary>Lines contained in the configuration file</summary>
-		private IList<string> lines;
-
-	}
-
-} // namespace Nuclex.Support.Configuration
diff --git a/Source/Configuration/ConfigurationFileStore.Parsing.cs b/Source/Configuration/ConfigurationFileStore.Parsing.cs
new file mode 100644
index 0000000..aa633d1
--- /dev/null
+++ b/Source/Configuration/ConfigurationFileStore.Parsing.cs
@@ -0,0 +1,139 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+using System.IO;
+
+using Nuclex.Support.Parsing;
+
+namespace Nuclex.Support.Configuration {
+
+  partial class ConfigurationFileStore {
+
+    /// <summary>Parses a configuration file from the specified text reader</summary>
+    /// <param name="reader">Reader the configuration file will be parsed from</param>
+    /// <returns>The configuration file parsed from the specified reader</returns>
+    public static ConfigurationFileStore Parse(TextReader reader) {
+      var store = new ConfigurationFileStore();
+
+      for(; ; ) {
+        string line = reader.ReadLine();
+        if(line == null) {
+          return store;
+        }
+
+
+      }
+    }
+
+    /// <summary>Determines the best matching type for an option value</summary>
+    /// <param name="value">Value for which the best matching type will be found</param>
+    /// <returns>The best matching type for the specified option value</returns>
+    private static Type getBestMatchingType(ref StringSegment value) {
+      if(value.Count == 0) {
+        return typeof(string);
+      }
+
+      // If there are at least two characters, it may be an integer with
+      // a sign in front of it
+      if(value.Count >= 2) {
+        int index = value.Offset;
+        if(ParserHelper.SkipInteger(value.Text, ref index)) {
+          if(index < value.Offset + value.Count) {
+            if(value.Text[index] == '.') {
+              return typeof(float);
+            }
+          }
+
+          return typeof(int);
+        }
+      } else if(value.Count >= 1) { // If it's at least one character, it may be a number
+        int index = value.Offset;
+        ParserHelper.SkipNumericals(value.Text, ref index);
+        if(index > value.Offset) {
+          return typeof(int);
+        }
+      }
+
+      // If it parses as a boolean literal, then it must be a boolean
+      if(parseBooleanLiteral(ref value) != null) {
+        return typeof(bool);
+      }
+
+      return typeof(string);
+    }
+
+    /// <summary>Tried to parse a boolean literal</summary>
+    /// <param name="value">Value that will be parsed as a boolean literal</param>
+    /// <returns>
+    ///   True or false if the value was a boolean literal, null if it wasn't
+    /// </returns>
+    private static bool? parseBooleanLiteral(ref StringSegment value) {
+      switch(value.Count) {
+
+        // If the string spells 'no', it is considered a boolean
+        case 2: {
+          bool isSpellingNo =
+            ((value.Text[value.Offset + 0] == 'n') || (value.Text[value.Offset + 0] == 'N')) &&
+            ((value.Text[value.Offset + 1] == 'o') || (value.Text[value.Offset + 1] == 'O'));
+          return isSpellingNo ? new Nullable<bool>(false) : null;
+        }
+
+        // If the string spells 'yes', it is considered a boolean
+        case 3: {
+          bool isSpellingYes =
+            ((value.Text[value.Offset + 0] == 'y') || (value.Text[value.Offset + 0] == 'Y')) &&
+            ((value.Text[value.Offset + 1] == 'e') || (value.Text[value.Offset + 1] == 'E')) &&
+            ((value.Text[value.Offset + 2] == 's') || (value.Text[value.Offset + 2] == 'S'));
+          return isSpellingYes ? new Nullable<bool>(true) : null;
+        }
+
+        // If the string spells 'true', it is considered a boolean
+        case 4: {
+          bool isSpellingTrue =
+            ((value.Text[value.Offset + 0] == 't') || (value.Text[value.Offset + 0] == 'T')) &&
+            ((value.Text[value.Offset + 1] == 'r') || (value.Text[value.Offset + 1] == 'R')) &&
+            ((value.Text[value.Offset + 2] == 'u') || (value.Text[value.Offset + 2] == 'U')) &&
+            ((value.Text[value.Offset + 3] == 'e') || (value.Text[value.Offset + 3] == 'E'));
+          return isSpellingTrue ? new Nullable<bool>(true) : null;
+        }
+
+        // If the string spells 'false', it is considered a boolean
+        case 5: {
+          bool isSpellingFalse =
+            ((value.Text[value.Offset + 0] == 'f') || (value.Text[value.Offset + 0] == 'F')) &&
+            ((value.Text[value.Offset + 1] == 'a') || (value.Text[value.Offset + 1] == 'A')) &&
+            ((value.Text[value.Offset + 2] == 'l') || (value.Text[value.Offset + 2] == 'L')) &&
+            ((value.Text[value.Offset + 3] == 's') || (value.Text[value.Offset + 3] == 'S')) &&
+            ((value.Text[value.Offset + 4] == 'e') || (value.Text[value.Offset + 4] == 'E'));
+          return isSpellingFalse ? new Nullable<bool>(false) : null;
+        }
+
+        // Anything else is not considered a boolean
+        default: {
+          return null;
+        }
+
+      }
+    }
+
+  }
+
+} // namespace Nuclex.Support.Configuration
diff --git a/Source/Configuration/ConfigurationFileStore.cs b/Source/Configuration/ConfigurationFileStore.cs
new file mode 100644
index 0000000..97f09c5
--- /dev/null
+++ b/Source/Configuration/ConfigurationFileStore.cs
@@ -0,0 +1,167 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+using Nuclex.Support.Parsing;
+
+namespace Nuclex.Support.Configuration {
+
+  /// <summary>Represents an ini- or cfg-like configuration file</summary>
+  /// <remarks>
+  ///   This class tries its best to preserve the formatting of configuration files.
+  ///   Changing a value will keep the line it appears in intact.
+  /// </remarks>
+  public partial class ConfigurationFileStore : ISettingsStore {
+
+    #region class Category
+
+    /// <summary>Stores informations about a category found in the configuration file</summary>
+    private class Category {
+
+      /// <summary>Index of the line the category is defined in</summary>
+      public int LineIndex;
+
+      /// <summary>Name of the category as a string</summary>
+      public StringSegment CategoryName;
+
+    }
+
+    #endregion // class Category
+
+    #region class Option
+
+    /// <summary>Stores informations about an option found in the configuration file</summary>
+    private class Option {
+
+      /// <summary>Index of the line the option is defined in</summary>
+      public int LineIndex;
+
+      /// <summary>Name of the option as a string</summary>
+      public StringSegment OptionName;
+
+      /// <summary>Value of the option as a string</summary>
+      public StringSegment OptionValue;
+
+    }
+
+    #endregion // class Option
+
+    /// <summary>Initializes a new, empty configuration file</summary>
+    public ConfigurationFileStore() {
+      this.lines = new List<string>();
+      this.categories = new List<Category>();
+      this.options = new List<Option>();
+    }
+
+    /// <summary>Saves the configuration file into the specified writer</summary>
+    /// <param name="writer">Writer the configuration file will be saved into</param>
+    public void Save(TextWriter writer) {
+      for(int index = 0; index < this.lines.Count; ++index) {
+        writer.WriteLine(this.lines[index]);
+      }
+    }
+
+    /// <summary>Enumerates the categories defined in the configuration</summary>
+    /// <returns>An enumerable list of all used categories</returns>
+    public IEnumerable<string> EnumerateCategories() {
+      for(int index = 0; index < this.categories.Count; ++index) {
+        yield return this.categories[index].CategoryName.ToString();
+      }
+    }
+
+    /// <summary>Enumerates the options stored under the specified category</summary>
+    /// <param name="category">Category whose options will be enumerated</param>
+    /// <returns>An enumerable list of all options in the category</returns>
+    public IEnumerable<OptionInfo> EnumerateOptions(string category = null) {
+      for(int index = 0; index < this.options.Count; ++index) {
+        OptionInfo optionInfo = new OptionInfo() {
+          Name = this.options[index].OptionName.ToString(),
+          OptionType = getBestMatchingType(ref this.options[index].OptionValue)
+        };
+        yield return optionInfo;
+      }
+    }
+
+    /// <summary>Retrieves the value of the specified option</summary>
+    /// <typeparam name="TValue">Type the option will be converted to</typeparam>
+    /// <param name="category">Category the option can be found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be looked up</param>
+    /// <returns>The value of the option with the specified name</returns>
+    public TValue Get<TValue>(string category, string optionName) {
+      TValue value;
+      if(TryGet<TValue>(category, optionName, out value)) {
+        return value;
+      } else {
+        if(string.IsNullOrEmpty(category)) {
+          throw new KeyNotFoundException(
+            "There is no option named '" + optionName + "' in the configuration file"
+          );
+        } else {
+          throw new KeyNotFoundException(
+            "There is no option named '" + optionName + "' under the category '" +
+            category + "' in the configuration file"
+          );
+        }
+      }
+    }
+
+    /// <summary>Tries to retrieve the value of the specified option</summary>
+    /// <typeparam name="TValue">Type the option will be converted to</typeparam>
+    /// <param name="category">Category the option can be found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be looked up</param>
+    /// <param name="value">Will receive the value of the option, if found</param>
+    /// <returns>
+    ///   True if the option existed and its value was written into the <paramref name="value" />
+    ///   parameter, false otherwise
+    /// </returns>
+    public bool TryGet<TValue>(string category, string optionName, out TValue value) {
+      throw new NotImplementedException();
+    }
+
+    /// <summary>Saves an option in the settings store</summary>
+    /// <typeparam name="TValue">Type of value that will be saved</typeparam>
+    /// <param name="category">Category the option will be placed in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be saved</param>
+    /// <param name="value">The value under which the option will be saved</param>
+    public void Set<TValue>(string category, string optionName, TValue value) {
+      throw new NotImplementedException();
+    }
+
+    /// <summary>Removes the option with the specified name</summary>
+    /// <param name="category">Category the option is found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be removed</param>
+    /// <returns>True if the option was found and removed</returns>
+    public bool Remove(string category, string optionName) {
+      throw new NotImplementedException();
+    }
+
+    /// <summary>Lines contained in the configuration file</summary>
+    private IList<string> lines;
+    /// <summary>Records where categories are stored in the configuration file</summary>
+    private IList<Category> categories;
+    /// <summary>Records where options are stored in the configuration file</summary>
+    private IList<Option> options;
+
+  }
+
+} // namespace Nuclex.Support.Configuration
diff --git a/Source/Configuration/ISettings.cs b/Source/Configuration/ISettings.cs
deleted file mode 100644
index a917777..0000000
--- a/Source/Configuration/ISettings.cs
+++ /dev/null
@@ -1,26 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-
-namespace Nuclex.Support.Configuration {
-
-	/// <summary>Interface by which settings stored in a file can be accessed</summary>
-	public interface ISettings {
-
-    /// <summary>Enumerates the categories defined in the configuration</summary>
-    /// <returns>An enumerable list of all used categories</returns>
-		IEnumerable<string> EnumerateCategories();
-
-    /// <summary>Enumerates the options stored under the specified category</summary>
-    /// <param name="category">Category whose options will be enumerated</param>
-    /// <returns>An enumerable list of all options in the category</returns>
-    IEnumerable<OptionInfo> EnumerateOptions(string category = null);
-
-    TValue Get<TValue>(string category, string optionName);
-
-    TValue Get<TValue>(string optionName);
-
-	}
-
-} // namespace Nuclex.Support.Configuration
diff --git a/Source/Configuration/ISettingsStore.cs b/Source/Configuration/ISettingsStore.cs
new file mode 100644
index 0000000..6c67ac2
--- /dev/null
+++ b/Source/Configuration/ISettingsStore.cs
@@ -0,0 +1,80 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+
+namespace Nuclex.Support.Configuration {
+
+  /// <summary>Interface by which settings and configuration data can be accessed</summary>
+  public interface ISettingsStore {
+
+    /// <summary>Enumerates the categories defined in the configuration</summary>
+    /// <returns>An enumerable list of all used categories</returns>
+    IEnumerable<string> EnumerateCategories();
+
+    /// <summary>Enumerates the options stored under the specified category</summary>
+    /// <param name="category">Category whose options will be enumerated</param>
+    /// <returns>An enumerable list of all options in the category</returns>
+    IEnumerable<OptionInfo> EnumerateOptions(string category = null);
+
+    /// <summary>Retrieves the value of the specified option</summary>
+    /// <typeparam name="TValue">Type the option will be converted to</typeparam>
+    /// <param name="category">Category the option can be found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be looked up</param>
+    /// <returns>The value of the option with the specified name</returns>
+    TValue Get<TValue>(string category, string optionName);
+
+    /// <summary>Tries to retrieve the value of the specified option</summary>
+    /// <typeparam name="TValue">Type the option will be converted to</typeparam>
+    /// <param name="category">Category the option can be found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be looked up</param>
+    /// <param name="value">Will receive the value of the option, if found</param>
+    /// <returns>
+    ///   True if the option existed and its value was written into the <paramref name="value" />
+    ///   parameter, false otherwise
+    /// </returns>
+    bool TryGet<TValue>(string category, string optionName, out TValue value);
+
+    /// <summary>Saves an option in the settings store</summary>
+    /// <typeparam name="TValue">Type of value that will be saved</typeparam>
+    /// <param name="category">Category the option will be placed in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be saved</param>
+    /// <param name="value">The value under which the option will be saved</param>
+    void Set<TValue>(string category, string optionName, TValue value);
+
+    /// <summary>Removes the option with the specified name</summary>
+    /// <param name="category">Category the option is found in. Can be null.</param>
+    /// <param name="optionName">Name of the option that will be removed</param>
+    /// <returns>True if the option was found and removed</returns>
+    bool Remove(string category, string optionName);
+
+  }
+
+} // namespace Nuclex.Support.Configuration
+
+#if WANT_TO_SUPPORT_MESSED_UP_CONFIGURATION_FILES
+    /// <remarks>
+    ///   Some settings stores allow multiple options with the same name to exist.
+    ///   If you request a collection of values (IEnumerable, ICollection, IList or their
+    ///   generic variants), you will be given a collection of all values appearing
+    ///   in the scope you specified.
+    /// </remarks>
+#endif
\ No newline at end of file
diff --git a/Source/Configuration/MemoryStore.cs b/Source/Configuration/MemoryStore.cs
new file mode 100644
index 0000000..e602821
--- /dev/null
+++ b/Source/Configuration/MemoryStore.cs
@@ -0,0 +1,29 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Nuclex.Support.Source.Configuration {
+  class MemoryStore {
+  }
+}
diff --git a/Source/Configuration/OptionInfo.cs b/Source/Configuration/OptionInfo.cs
index 4671963..eab1fd3 100644
--- a/Source/Configuration/OptionInfo.cs
+++ b/Source/Configuration/OptionInfo.cs
@@ -1,15 +1,35 @@
-using System;
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
 
 namespace Nuclex.Support.Configuration {
 
-	/// <summary>Informations about an option stored in a settings container</summary>
-	public struct OptionInfo {
+  /// <summary>Informations about an option stored in a settings container</summary>
+  public struct OptionInfo {
 
-		/// <summary>Name of the option</summary>
-		public string Name;
-		/// <summary>Data type of the option</summary>
-		public Type OptionType;
+    /// <summary>Name of the option</summary>
+    public string Name;
+    /// <summary>Data type of the option</summary>
+    public Type OptionType;
 
-	}
+  }
 
 } // namespace Nuclex.Support.Configuration
diff --git a/Source/Configuration/WindowsRegistryStore.cs b/Source/Configuration/WindowsRegistryStore.cs
new file mode 100644
index 0000000..7ebf6c5
--- /dev/null
+++ b/Source/Configuration/WindowsRegistryStore.cs
@@ -0,0 +1,34 @@
+#region CPL License
+/*
+Nuclex Framework
+Copyright (C) 2002-2014 Nuclex Development Labs
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the IBM Common Public License as
+published by the IBM Corporation; either version 1.0 of the
+License, or (at your option) any later version.
+
+This library 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
+IBM Common Public License for more details.
+
+You should have received a copy of the IBM Common Public
+License along with this library
+*/
+#endregion
+
+using System;
+
+namespace Nuclex.Support.Configuration {
+
+  /// <summary>Stores settings in the registry of Windows systems</summary>
+  public class WindowsRegistryStore : IDisposable {
+
+    /// <summary>Immediately releases all resources owned by the instance</summary>
+    public void Dispose() {
+    }
+
+  }
+
+} // namespace Nuclex.Support.Configuration
diff --git a/Source/Parsing/ParserHelper.Test.cs b/Source/Parsing/ParserHelper.Test.cs
index 7acba72..a4610da 100644
--- a/Source/Parsing/ParserHelper.Test.cs
+++ b/Source/Parsing/ParserHelper.Test.cs
@@ -93,7 +93,7 @@ namespace Nuclex.Support.Parsing {
     public void CanSkipNumbersInNullString() {
       int index = 0;
       Assert.DoesNotThrow(
-        delegate() { ParserHelper.SkipNumbers((string)null, ref index); }
+        delegate() { ParserHelper.SkipNumericals((string)null, ref index); }
       );
       Assert.AreEqual(0, index);
     }
@@ -103,7 +103,7 @@ namespace Nuclex.Support.Parsing {
     public void CanSkipNumbersInEmptyString() {
       int index = 0;
       Assert.DoesNotThrow(
-        delegate() { ParserHelper.SkipNumbers(string.Empty, ref index); }
+        delegate() { ParserHelper.SkipNumericals(string.Empty, ref index); }
       );
       Assert.AreEqual(0, index);
     }
@@ -112,7 +112,7 @@ namespace Nuclex.Support.Parsing {
     [Test]
     public void NumbersCanBeSkipped() {
       int index = 6;
-      ParserHelper.SkipNumbers("123abc456def789", ref index);
+      ParserHelper.SkipNumericals("123abc456def789", ref index);
       Assert.AreEqual(9, index);
     }
 
diff --git a/Source/Parsing/ParserHelper.cs b/Source/Parsing/ParserHelper.cs
index 02c6474..b6dbf10 100644
--- a/Source/Parsing/ParserHelper.cs
+++ b/Source/Parsing/ParserHelper.cs
@@ -68,7 +68,7 @@ namespace Nuclex.Support.Parsing {
     ///   This skips only numeric characters, but not complete numbers -- if the number
     ///   begins with a minus or plus sign, for example, this function will not skip it.
     /// </remarks>
-    public static void SkipNumbers(string text, ref int index) {
+    public static void SkipNumericals(string text, ref int index) {
       if(text == null) {
         return;
       }
@@ -102,14 +102,14 @@ namespace Nuclex.Support.Parsing {
       if((text[index] == '-') || (text[index] == '+')) {
         nextIndex = index + 1;
 
-        SkipNumbers(text, ref nextIndex);
+        SkipNumericals(text, ref nextIndex);
         if(nextIndex == (index + 1)) {
           return false;
         }
       } else {
         nextIndex = index;
 
-        SkipNumbers(text, ref nextIndex);
+        SkipNumericals(text, ref nextIndex);
         if(nextIndex == index) {
           return false;
         }
@@ -154,6 +154,28 @@ namespace Nuclex.Support.Parsing {
       }
     }
 
+    /// <summary>Skips a floating point value appearing in the input text</summary>
+    /// <param name="text">Text in which a floating point value will be skipped</param>
+    /// <param name="index">Index at which the floating point value begins</param>
+    /// <returns>True if the floating point value was skipped, otherwise false</returns>
+    public static bool SkipFloat(string text, ref int index) {
+      if(SkipInteger(text, ref index)) {
+        if(index < text.Length) {
+          if(text[index] == '.') {
+            ++index;
+            SkipNumericals(text, ref index);
+          }
+          if((text[index] == 'e') || (text[index] == 'E')) {
+            throw new NotImplementedException("Exponential format not supported yet");
+          }
+        }
+
+        return true;
+      }
+
+      return false;
+    }
+
   }
 
 } // namespace Nuclex.Support.Parsing