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FormatCatalog definition moved to a separate file.

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morkt
2015-09-16 23:00:22 +04:00
parent 2477f889a1
commit f4c1bc2ae4
3 changed files with 178 additions and 148 deletions
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177
GameRes/FormatCatalog.cs Normal file
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@@ -0,0 +1,177 @@
//! \file FormatCatalog.cs
//! \date Wed Sep 16 22:51:11 2015
//! \brief game resources formats catalog class.
//
// Copyright (C) 2014-2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;
using System.IO;
using System.Linq;
using GameRes.Collections;
namespace GameRes
{
public sealed class FormatCatalog
{
private static readonly FormatCatalog m_instance = new FormatCatalog();
#pragma warning disable 649
[ImportMany(typeof(ArchiveFormat))]
private IEnumerable<ArchiveFormat> m_arc_formats;
[ImportMany(typeof(ImageFormat))]
private IEnumerable<ImageFormat> m_image_formats;
[ImportMany(typeof(AudioFormat))]
private IEnumerable<AudioFormat> m_audio_formats;
[ImportMany(typeof(ScriptFormat))]
private IEnumerable<ScriptFormat> m_script_formats;
#pragma warning restore 649
private MultiValueDictionary<string, IResource> m_extension_map = new MultiValueDictionary<string, IResource>();
private MultiValueDictionary<uint, IResource> m_signature_map = new MultiValueDictionary<uint, IResource>();
/// <summary> The only instance of this class.</summary>
public static FormatCatalog Instance { get { return m_instance; } }
public IEnumerable<ArchiveFormat> ArcFormats { get { return m_arc_formats; } }
public IEnumerable<ImageFormat> ImageFormats { get { return m_image_formats; } }
public IEnumerable<AudioFormat> AudioFormats { get { return m_audio_formats; } }
public IEnumerable<ScriptFormat> ScriptFormats { get { return m_script_formats; } }
public Exception LastError { get; set; }
public event ParametersRequestEventHandler ParametersRequest;
private FormatCatalog ()
{
//An aggregate catalog that combines multiple catalogs
var catalog = new AggregateCatalog();
//Adds all the parts found in the same assembly as the Program class
catalog.Catalogs.Add (new AssemblyCatalog (typeof(FormatCatalog).Assembly));
//Adds parts matching pattern found in the directory of the assembly
catalog.Catalogs.Add (new DirectoryCatalog (Path.GetDirectoryName (System.Reflection.Assembly.GetExecutingAssembly().Location), "Arc*.dll"));
//Create the CompositionContainer with the parts in the catalog
var container = new CompositionContainer (catalog);
//Fill the imports of this object
container.ComposeParts (this);
AddResourceImpl (m_image_formats);
AddResourceImpl (m_arc_formats);
AddResourceImpl (m_audio_formats);
AddResourceImpl (m_script_formats);
}
private void AddResourceImpl (IEnumerable<IResource> formats)
{
foreach (var impl in formats)
{
foreach (var ext in impl.Extensions)
{
m_extension_map.Add (ext.ToUpperInvariant(), impl);
}
foreach (var signature in impl.Signatures)
{
m_signature_map.Add (signature, impl);
}
}
}
/// <summary>
/// Look up filename in format registry by filename extension and return corresponding interfaces.
/// if no formats available, return empty range.
/// </summary>
public IEnumerable<IResource> LookupFileName (string filename)
{
string ext = Path.GetExtension (filename);
if (string.IsNullOrEmpty (ext))
return Enumerable.Empty<IResource>();
return LookupExtension (ext.TrimStart ('.'));
}
public IEnumerable<IResource> LookupExtension (string ext)
{
return m_extension_map.GetValues (ext.ToUpperInvariant(), true);
}
public IEnumerable<Type> LookupExtension<Type> (string ext) where Type : IResource
{
return LookupExtension (ext).OfType<Type>();
}
public IEnumerable<IResource> LookupSignature (uint signature)
{
return m_signature_map.GetValues (signature, true);
}
public IEnumerable<Type> LookupSignature<Type> (uint signature) where Type : IResource
{
return LookupSignature (signature).OfType<Type>();
}
/// <summary>
/// Create GameRes.Entry corresponding to <paramref name="filename"/> extension.
/// <exception cref="System.ArgumentException">May be thrown if filename contains invalid
/// characters.</exception>
/// </summary>
public EntryType Create<EntryType> (string filename) where EntryType : Entry, new()
{
EntryType entry = null;
var formats = LookupFileName (filename);
if (formats.Any())
entry = formats.First().Create<EntryType>();
if (null == entry)
entry = new EntryType();
entry.Name = filename;
return entry;
}
public string GetTypeFromName (string filename)
{
var formats = LookupFileName (filename);
if (formats.Any())
return formats.First().Type;
return "";
}
public void InvokeParametersRequest (object source, ParametersRequestEventArgs args)
{
if (null != ParametersRequest)
ParametersRequest (source, args);
}
/// <summary>
/// Read first 4 bytes from stream and return them as 32-bit signature.
/// </summary>
public static uint ReadSignature (Stream file)
{
file.Position = 0;
uint signature = (byte)file.ReadByte();
signature |= (uint)file.ReadByte() << 8;
signature |= (uint)file.ReadByte() << 16;
signature |= (uint)file.ReadByte() << 24;
return signature;
}
}
}

148
GameRes/GameRes.cs
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@@ -25,13 +25,7 @@
using System; using System;
using System.IO; using System.IO;
using System.Text;
using System.Linq;
using System.Collections.Generic; using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.ComponentModel.Composition.Hosting;
using System.Reflection;
using GameRes.Collections;
using GameRes.Strings; using GameRes.Strings;
namespace GameRes namespace GameRes
@@ -267,148 +261,6 @@ namespace GameRes
public bool Overwrite { get; set; } public bool Overwrite { get; set; }
} }
public sealed class FormatCatalog
{
private static readonly FormatCatalog m_instance = new FormatCatalog();
#pragma warning disable 649
[ImportMany(typeof(ArchiveFormat))]
private IEnumerable<ArchiveFormat> m_arc_formats;
[ImportMany(typeof(ImageFormat))]
private IEnumerable<ImageFormat> m_image_formats;
[ImportMany(typeof(AudioFormat))]
private IEnumerable<AudioFormat> m_audio_formats;
[ImportMany(typeof(ScriptFormat))]
private IEnumerable<ScriptFormat> m_script_formats;
#pragma warning restore 649
private MultiValueDictionary<string, IResource> m_extension_map = new MultiValueDictionary<string, IResource>();
private MultiValueDictionary<uint, IResource> m_signature_map = new MultiValueDictionary<uint, IResource>();
/// <summary> The only instance of this class.</summary>
public static FormatCatalog Instance { get { return m_instance; } }
public IEnumerable<ArchiveFormat> ArcFormats { get { return m_arc_formats; } }
public IEnumerable<ImageFormat> ImageFormats { get { return m_image_formats; } }
public IEnumerable<AudioFormat> AudioFormats { get { return m_audio_formats; } }
public IEnumerable<ScriptFormat> ScriptFormats { get { return m_script_formats; } }
public Exception LastError { get; set; }
public event ParametersRequestEventHandler ParametersRequest;
private FormatCatalog ()
{
//An aggregate catalog that combines multiple catalogs
var catalog = new AggregateCatalog();
//Adds all the parts found in the same assembly as the Program class
catalog.Catalogs.Add (new AssemblyCatalog (typeof(FormatCatalog).Assembly));
//Adds parts matching pattern found in the directory of the assembly
catalog.Catalogs.Add (new DirectoryCatalog (Path.GetDirectoryName (System.Reflection.Assembly.GetExecutingAssembly().Location), "Arc*.dll"));
//Create the CompositionContainer with the parts in the catalog
var container = new CompositionContainer (catalog);
//Fill the imports of this object
container.ComposeParts (this);
AddResourceImpl (m_image_formats);
AddResourceImpl (m_arc_formats);
AddResourceImpl (m_audio_formats);
AddResourceImpl (m_script_formats);
}
private void AddResourceImpl (IEnumerable<IResource> formats)
{
foreach (var impl in formats)
{
foreach (var ext in impl.Extensions)
{
m_extension_map.Add (ext.ToUpperInvariant(), impl);
}
foreach (var signature in impl.Signatures)
{
m_signature_map.Add (signature, impl);
}
}
}
/// <summary>
/// Look up filename in format registry by filename extension and return corresponding interfaces.
/// if no formats available, return empty range.
/// </summary>
public IEnumerable<IResource> LookupFileName (string filename)
{
string ext = Path.GetExtension (filename);
if (string.IsNullOrEmpty (ext))
return Enumerable.Empty<IResource>();
return LookupExtension (ext.TrimStart ('.'));
}
public IEnumerable<IResource> LookupExtension (string ext)
{
return m_extension_map.GetValues (ext.ToUpperInvariant(), true);
}
public IEnumerable<Type> LookupExtension<Type> (string ext) where Type : IResource
{
return LookupExtension (ext).OfType<Type>();
}
public IEnumerable<IResource> LookupSignature (uint signature)
{
return m_signature_map.GetValues (signature, true);
}
public IEnumerable<Type> LookupSignature<Type> (uint signature) where Type : IResource
{
return LookupSignature (signature).OfType<Type>();
}
/// <summary>
/// Create GameRes.Entry corresponding to <paramref name="filename"/> extension.
/// <exception cref="System.ArgumentException">May be thrown if filename contains invalid
/// characters.</exception>
/// </summary>
public EntryType Create<EntryType> (string filename) where EntryType : Entry, new()
{
EntryType entry = null;
var formats = LookupFileName (filename);
if (formats.Any())
entry = formats.First().Create<EntryType>();
if (null == entry)
entry = new EntryType();
entry.Name = filename;
return entry;
}
public string GetTypeFromName (string filename)
{
var formats = LookupFileName (filename);
if (formats.Any())
return formats.First().Type;
return "";
}
public void InvokeParametersRequest (object source, ParametersRequestEventArgs args)
{
if (null != ParametersRequest)
ParametersRequest (source, args);
}
/// <summary>
/// Read first 4 bytes from stream and return them as 32-bit signature.
/// </summary>
public static uint ReadSignature (Stream file)
{
file.Position = 0;
uint signature = (byte)file.ReadByte();
signature |= (uint)file.ReadByte() << 8;
signature |= (uint)file.ReadByte() << 16;
signature |= (uint)file.ReadByte() << 24;
return signature;
}
}
public class InvalidFormatException : FileFormatException public class InvalidFormatException : FileFormatException
{ {
public InvalidFormatException() : base(garStrings.MsgInvalidFormat) { } public InvalidFormatException() : base(garStrings.MsgInvalidFormat) { }

1
GameRes/GameRes.csproj
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@@ -58,6 +58,7 @@
<Compile Include="Audio.cs" /> <Compile Include="Audio.cs" />
<Compile Include="AudioWAV.cs" /> <Compile Include="AudioWAV.cs" />
<Compile Include="FileSystem.cs" /> <Compile Include="FileSystem.cs" />
<Compile Include="FormatCatalog.cs" />
<Compile Include="GameRes.cs" /> <Compile Include="GameRes.cs" />
<Compile Include="Image.cs" /> <Compile Include="Image.cs" />
<Compile Include="ImageBMP.cs" /> <Compile Include="ImageBMP.cs" />