Added MacOS native library.

Building script updated to use cmake
Added support to UTF8 (default encoding)

.gitignore

@@ -0,0 +1,268 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# DNX
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# TODO: Comment the next line if you want to checkin your web deploy settings
+# but database connection strings (with potential passwords) will be unencrypted
+#*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/packages/*
+# except build/, which is used as an MSBuild target.
+!**/packages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/packages/repositories.config
+# NuGet v3's project.json files produces more ignoreable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
+
+# Others
+[Ss]tyle[Cc]op.*
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+node_modules/
+orleans.codegen.cs
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush
+.cr/
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Visual Studio settings
+.vs/
+
+# Visual Studio Code settings
+.vscode/

Leveldb.net/DB.cs

@@ -13,9 +13,12 @@ namespace LevelDB
     /// </summary>
     public class DB : LevelDBHandle, IEnumerable<KeyValuePair<string, string>>, IEnumerable<KeyValuePair<byte[],byte[]>>, IEnumerable<KeyValuePair<int, int[]>>
     {
+        public static Encoding DefaultEncoding = Encoding.UTF8;
+
         private Cache _Cache;
         private Logger _InfoLog;
         private Comparator _Comparator;
+        private Encoding _encoding;
 
         static void Throw(IntPtr error)
         {
@@ -38,17 +41,22 @@ static void Throw(IntPtr error, Func<string, Exception> exception)
             }
         }
 
+        public DB(Options options, string name) 
+            : this (options, name, DefaultEncoding)
+        {
+        }
+
         /// <summary>
         /// Open the database with the specified "name".
         /// </summary>
-        public DB(Options options, string name)
+        public DB(Options options, string name, Encoding encoding)
         {
             IntPtr error;
             this._Cache = options.Cache;
             this._InfoLog = options.InfoLog;
             this._Comparator = options.Comparator;
             this.Handle = LevelDBInterop.leveldb_open(options.Handle, name, out error);
-
+            this._encoding = encoding;
 
             Throw(error, msg => new UnauthorizedAccessException(msg));
         }
@@ -64,7 +72,7 @@ public void Close()
         /// </summary>
         public void Put(string key, string value, WriteOptions options)
         {
-            this.Put(Encoding.ASCII.GetBytes(key), Encoding.ASCII.GetBytes(value), options);
+            this.Put(_encoding.GetBytes(key), _encoding.GetBytes(value), options);
         }
 
         /// <summary>
@@ -130,7 +138,7 @@ public void Delete(string key)
         /// </summary>
         public void Delete(string key, WriteOptions options)
         {
-            this.Delete(Encoding.ASCII.GetBytes(key), options);
+            this.Delete(_encoding.GetBytes(key), options);
         }
 
         /// <summary>
@@ -172,8 +180,8 @@ public void Write(WriteBatch batch, WriteOptions options)
         /// </summary>
         public string Get(string key, ReadOptions options)
         {
-            var value = Get(Encoding.ASCII.GetBytes(key), options);
-            if (value != null) return Encoding.ASCII.GetString(value);
+            var value = Get(_encoding.GetBytes(key), options);
+            if (value != null) return _encoding.GetString(value);
             return null;
         }
 
@@ -310,7 +318,7 @@ public Iterator CreateIterator()
         /// </summary>
         public Iterator CreateIterator(ReadOptions options)
         {
-            return new Iterator(LevelDBInterop.leveldb_create_iterator(this.Handle, options.Handle));
+            return new Iterator(LevelDBInterop.leveldb_create_iterator(this.Handle, options.Handle), _encoding);
         }
 
         /// <summary>

Leveldb.net/Iterator.cs

@@ -8,8 +8,11 @@ namespace LevelDB
     /// </summary>
     public class Iterator: LevelDBHandle
     {
-        internal Iterator(IntPtr Handle)
+        private readonly Encoding _encoding;
+
+        internal Iterator(IntPtr Handle, Encoding encoding)
         {
+            this._encoding = encoding;
             this.Handle = Handle;
         }
 
@@ -61,7 +64,7 @@ public void Seek(byte[] key)
         /// </summary>
         public void Seek(string key)
         {
-            Seek(Encoding.ASCII.GetBytes(key));
+            Seek(_encoding.GetBytes(key));
         }
 
         /// <summary>
@@ -119,7 +122,7 @@ public int KeyAsInt()
         /// </summary>
         public string KeyAsString()
         {
-            return Encoding.ASCII.GetString(this.Key());
+            return _encoding.GetString(this.Key());
         }
 
         /// <summary>
@@ -158,7 +161,7 @@ public int[] ValueAsInts()
         /// </summary>
         public string ValueAsString()
         {
-            return Encoding.ASCII.GetString(this.Value());
+            return _encoding.GetString(this.Value());
         }
 
         /// <summary>

Leveldb.net/LevelDB.NET.csproj

@@ -9,9 +9,10 @@
   </PropertyGroup>
   <PropertyGroup>
     <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
-    <Version>2.1.3</Version>
-    <AssemblyVersion>2.1.3.0</AssemblyVersion>
-    <FileVersion>2.1.3.0</FileVersion>
+    <Version>2.1.5</Version>
+    <AssemblyVersion>2.1.5.0</AssemblyVersion>
+    <FileVersion>2.1.5.0
+    </FileVersion>
   </PropertyGroup>
   <ItemGroup>
     <Folder Include="Properties\" />