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using System;
using System.Linq;
using System.IO;
using System.Configuration;
using System.Collections.Specialized;
using Monodoc.Caches;
namespace Monodoc
{
public enum DocEntity
{
Text,
Blob
}
public interface IDocCache : IDisposable
{
bool IsCached (string id);
bool CanCache (DocEntity entity);
Stream GetCachedStream (string id);
string GetCachedString (string id);
void CacheText (string id, string content);
void CacheText (string id, Stream stream);
void CacheBlob (string id, byte[] data);
void CacheBlob (string id, Stream stream);
}
public static class DocCacheHelper
{
static string cacheBaseDirectory;
static DocCacheHelper ()
{
try {
var cacheConfig = Config.Get ("cache");
if (cacheConfig == null) return;
var cacheValues = cacheConfig.Split (',');
if (cacheValues.Length == 2 && cacheValues[0].Equals ("file", StringComparison.Ordinal))
cacheBaseDirectory = cacheValues[1].Replace ("~", Environment.GetFolderPath (Environment.SpecialFolder.Personal));
} catch {}
}
// Use configuration option to query for cache directory, if it doesn't exist we instantiate a nullcache
public static IDocCache GetDefaultCache (string name)
{
if (cacheBaseDirectory == null)
return new NullCache ();
return new FileCache (Path.Combine (cacheBaseDirectory, name));
}
}
}
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