public static LfxPointer Create(Stream stream)
{
stream = new StreamCounter(stream);
var hash = LfxHash.Compute(stream);
var count = stream.Position;
return(Create(hash, count));
}
public static LfxHash ComputeHash(this byte[] bytes, int count) => LfxHash.Compute(bytes, count);
public static LfxHash ComputeHash(this byte[] bytes) => LfxHash.Compute(bytes);
public static LfxHash ComputeHash(this Stream stream) => LfxHash.Compute(stream);
public static LfxHash ComputeHash(this string value) => LfxHash.Compute(value);
public static LfxPointer Create(string path, LfxHash?hash = null)
{
LfxPointer pointer;
var length = new FileInfo(path).Length;
if (hash == null)
{
hash = LfxHash.Compute(path);
}
pointer = Create(hash.Value, length);
var config = LfxConfig.Load(path);
// simple
if (config.Type == LfxPointerType.Simple)
{
return(pointer);
}
var url = config.Url;
var relPath = config.ConfigFile.Path.MakeRelativePath(path);
if (config.HasPattern)
{
// change base of relPath to config file containing pattern
relPath = config.Pattern.ConfigFile.Path.MakeRelativePath(path);
url = Regex.Replace(
input: relPath,
pattern: config.Pattern,
replacement: config.Url
);
}
// curl
if (config.Type == LfxPointerType.Curl)
{
return(pointer.AddUrl(url.ToUrl()));
}
// default hint is relPath
var hint = relPath;
if (config.HasHint)
{
// hardcoded hint (very rare)
hint = config.Hint.Value;
if (config.HasPattern)
{
// substituted hint (nuget case)
hint = Regex.Replace(
input: relPath,
pattern: config.Pattern,
replacement: config.Hint
);
}
}
// archive
if (config.Type == LfxPointerType.Archive)
{
return(pointer.AddArchive(url.ToUrl(), hint));
}
// self extracting archive
return(pointer.AddSelfExtractingArchive(url.ToUrl(), hint, config.Args));
}