///////////////////////////////////////////////////////////////////////
#region Static "Factory" Methods
public static FileName Create(
PathComparisonType pathComparisonType
)
{
lock (syncRoot) /* TRANSACTIONAL */
{
FileName value;
if (cache != null)
{
if (cache.TryGetValue(pathComparisonType, out value))
{
return(value);
}
}
else
{
cache = new Dictionary <PathComparisonType, FileName>();
}
value = new FileName(pathComparisonType);
cache[pathComparisonType] = value;
return(value);
}
}
///////////////////////////////////////////////////////////////////////
#region Private Constructors
private FileName(
PathComparisonType pathComparisonType
)
: this(Encoding.UTF8, pathComparisonType)
{
// do nothing.
}
///////////////////////////////////////////////////////////////////////
private FileName(
Encoding encoding,
PathComparisonType pathComparisonType
)
{
this.encoding = encoding;
this.pathComparisonType = pathComparisonType;
}
///////////////////////////////////////////////////////////////////////////////////////////////
#region IExecute Members
public override ReturnCode Execute(
Interpreter interpreter,
IClientData clientData,
ArgumentList arguments,
ref Result result
)
{
ReturnCode code = ReturnCode.Ok;
if (interpreter != null)
{
if (arguments != null)
{
if (arguments.Count >= 2)
{
string subCommand = arguments[1];
bool tried = false;
code = ScriptOps.TryExecuteSubCommandFromEnsemble(
interpreter, this, clientData, arguments, true,
false, ref subCommand, ref tried, ref result);
if ((code == ReturnCode.Ok) && !tried)
{
switch (subCommand)
{
case "forget":
{
if (arguments.Count >= 2)
{
code = interpreter.PkgForget(
new StringList(arguments, 2), ref result);
}
else
{
result = "wrong # args: should be \"package forget ?package package ...?\"";
code = ReturnCode.Error;
}
break;
}
case "ifneeded":
{
if ((arguments.Count == 4) || (arguments.Count == 5))
{
Version version = null;
code = Value.GetVersion(
arguments[3], interpreter.CultureInfo,
ref version, ref result);
if (code == ReturnCode.Ok)
{
string text = null;
if (arguments.Count == 5)
{
text = arguments[4];
}
code = interpreter.PkgIfNeeded(
arguments[2], version, text, interpreter.PackageFlags,
ref result);
}
}
else
{
result = "wrong # args: should be \"package ifneeded package version ?script?\"";
code = ReturnCode.Error;
}
break;
}
case "indexes":
{
if ((arguments.Count == 2) || (arguments.Count == 3))
{
string pattern = null;
if (arguments.Count == 3)
{
pattern = arguments[2];
}
code = interpreter.PkgIndexes(
pattern, false, ref result);
}
else
{
result = "wrong # args: should be \"package indexes ?pattern?\"";
code = ReturnCode.Error;
}
break;
}
case "info":
{
if (arguments.Count == 3)
{
IPackage package = null;
code = interpreter.GetPackage(
arguments[2], LookupFlags.Default,
ref package, ref result);
if (code == ReturnCode.Ok)
{
bool scrub = interpreter.IsSafe();
PackageFlags flags = package.Flags;
Guid id = AttributeOps.GetObjectId(package);
result = StringList.MakeList(
"kind", package.Kind,
"id", package.Id.Equals(Guid.Empty) ? id : package.Id,
"name", package.Name,
"description", package.Description,
"indexFileName", scrub ? PathOps.ScrubPath(
GlobalState.GetBasePath(), package.IndexFileName) :
package.IndexFileName,
"provideFileName", scrub ? PathOps.ScrubPath(
GlobalState.GetBasePath(), package.ProvideFileName) :
package.ProvideFileName,
"flags", flags,
"loaded", (package.Loaded != null) ? package.Loaded : null,
"ifNeeded", (!scrub && (package.IfNeeded != null)) ?
package.IfNeeded.KeysAndValuesToString(null, false) :
null);
}
}
else
{
result = "wrong # args: should be \"package info name\"";
code = ReturnCode.Error;
}
break;
}
case "loaded":
{
if ((arguments.Count == 2) || (arguments.Count == 3))
{
string pattern = null;
if (arguments.Count == 3)
{
pattern = arguments[2];
}
code = interpreter.PkgLoaded(
pattern, false, false, ref result);
}
else
{
result = "wrong # args: should be \"package loaded ?pattern?\"";
code = ReturnCode.Error;
}
break;
}
case "names":
{
if ((arguments.Count == 2) || (arguments.Count == 3))
{
string pattern = null;
if (arguments.Count == 3)
{
pattern = arguments[2];
}
code = interpreter.PkgNames(
pattern, false, ref result);
}
else
{
result = "wrong # args: should be \"package names ?pattern?\"";
code = ReturnCode.Error;
}
break;
}
case "present":
{
if (arguments.Count >= 3)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-exact", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(options, arguments, 0, 2, Index.Invalid, false, ref argumentIndex, ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) &&
((argumentIndex + 2) >= arguments.Count))
{
bool exact = false;
if (options.IsPresent("-exact"))
{
exact = true;
}
Version version = null;
if ((argumentIndex + 1) < arguments.Count)
{
code = Value.GetVersion(
arguments[argumentIndex + 1], interpreter.CultureInfo,
ref version, ref result);
}
if (code == ReturnCode.Ok)
{
code = interpreter.PresentPackage(
arguments[argumentIndex], version, exact, ref result);
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"package present ?-exact? package ?version?\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"package present ?-exact? package ?version?\"";
code = ReturnCode.Error;
}
break;
}
case "provide":
{
if ((arguments.Count == 3) || (arguments.Count == 4))
{
PackageFlags flags = interpreter.PackageFlags;
if (!FlagOps.HasFlags(flags, PackageFlags.NoProvide, true))
{
Version version = null;
if (arguments.Count == 4)
{
code = Value.GetVersion(arguments[3], interpreter.CultureInfo, ref version, ref result);
}
if (code == ReturnCode.Ok)
{
code = interpreter.PkgProvide(arguments[2], version, flags, ref result);
}
}
else
{
//
// HACK: Do nothing, provide no package, and return nothing.
//
result = String.Empty;
code = ReturnCode.Ok;
}
}
else
{
result = "wrong # args: should be \"package provide package ?version?\"";
code = ReturnCode.Error;
}
break;
}
case "relativefilename":
{
if ((arguments.Count == 3) || (arguments.Count == 4))
{
PathComparisonType pathComparisonType = PathComparisonType.Default;
if (arguments.Count == 4)
{
object enumValue = EnumOps.TryParseFlagsEnum(
interpreter, typeof(PathComparisonType),
pathComparisonType.ToString(), arguments[3],
interpreter.CultureInfo, true, true, true,
ref result);
if (enumValue is EventFlags)
{
pathComparisonType = (PathComparisonType)enumValue;
}
else
{
code = ReturnCode.Error;
}
}
if (code == ReturnCode.Ok)
{
string fileName = null;
code = PackageOps.GetRelativeFileName(
interpreter, arguments[2], pathComparisonType,
ref fileName, ref result);
if (code == ReturnCode.Ok)
{
result = fileName;
}
}
}
else
{
result = "wrong # args: should be \"package relativefilename fileName ?type?\"";
code = ReturnCode.Error;
}
break;
}
case "require":
{
if (arguments.Count >= 3)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-exact", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
code = interpreter.GetOptions(options, arguments, 0, 2, Index.Invalid, false, ref argumentIndex, ref result);
if (code == ReturnCode.Ok)
{
if ((argumentIndex != Index.Invalid) && ((argumentIndex + 2) >= arguments.Count))
{
bool exact = false;
if (options.IsPresent("-exact"))
{
exact = true;
}
Version version = null;
if ((argumentIndex + 1) < arguments.Count)
{
code = Value.GetVersion(
arguments[argumentIndex + 1], interpreter.CultureInfo,
ref version, ref result);
}
if (code == ReturnCode.Ok)
{
code = interpreter.RequirePackage(
arguments[argumentIndex], version, exact, ref result);
}
//
// NOTE: This is a new feature. If the initial attempt to
// require a package fails, call the package fallback
// delegate for the interpreter and then try requiring
// the package again.
//
if ((code != ReturnCode.Ok) && !ScriptOps.HasFlags(
interpreter, InterpreterFlags.NoPackageFallback, true))
{
PackageCallback packageFallback = interpreter.PackageFallback;
if (packageFallback != null)
{
code = packageFallback(
interpreter, arguments[argumentIndex], version, null,
interpreter.PackageFlags, exact, ref result);
if (code == ReturnCode.Ok)
{
code = interpreter.RequirePackage(
arguments[argumentIndex], version, exact, ref result);
}
}
}
//
// BUGFIX: This is really a new feature. In the event of a failure
// here, we now fallback to the "unknown package handler",
// just like Tcl does.
//
if ((code != ReturnCode.Ok) && !ScriptOps.HasFlags(
interpreter, InterpreterFlags.NoPackageUnknown, true))
{
string text = interpreter.PackageUnknown + Characters.Space +
Parser.Quote(arguments[argumentIndex]);
if (version != null)
{
text += Characters.Space + Parser.Quote(version.ToString());
}
code = interpreter.EvaluateScript(text, ref result); /* EXEMPT */
if (code == ReturnCode.Ok)
{
code = interpreter.RequirePackage(
arguments[argumentIndex], version, exact, ref result);
}
}
}
else
{
if ((argumentIndex != Index.Invalid) &&
Option.LooksLikeOption(arguments[argumentIndex]))
{
result = OptionDictionary.BadOption(options, arguments[argumentIndex]);
}
else
{
result = "wrong # args: should be \"package require ?-exact? package ?version?\"";
}
code = ReturnCode.Error;
}
}
}
else
{
result = "wrong # args: should be \"package require ?-exact? package ?version?\"";
code = ReturnCode.Error;
}
break;
}
case "reset":
{
if (arguments.Count == 2)
{
code = interpreter.ResetPkgIndexes(ref result);
if (code == ReturnCode.Ok)
{
result = String.Empty;
}
}
else
{
result = "wrong # args: should be \"package reset\"";
code = ReturnCode.Error;
}
break;
}
case "scan":
{
if (arguments.Count >= 2)
{
OptionDictionary options = new OptionDictionary(
new IOption[] {
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-interpreter", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-preferfilesystem", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-preferhost", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-host", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-normal", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-nonormal", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-recursive", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-resolve", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-refresh", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, "-autopath", null),
new Option(null, OptionFlags.None, Index.Invalid, Index.Invalid, Option.EndOfOptions, null)
});
int argumentIndex = Index.Invalid;
if (arguments.Count > 2)
{
code = interpreter.GetOptions(options, arguments, 0, 2, Index.Invalid, true, ref argumentIndex, ref result);
}
else
{
code = ReturnCode.Ok;
}
if (code == ReturnCode.Ok)
{
lock (interpreter.SyncRoot) /* TRANSACTIONAL */
{
PackageIndexFlags flags;
if (options.IsPresent("-interpreter"))
{
flags = interpreter.PackageIndexFlags;
}
else
{
flags = PackageIndexFlags.Default;
}
if (options.IsPresent("-preferfilesystem"))
{
flags |= PackageIndexFlags.PreferFileSystem;
}
if (options.IsPresent("-preferhost"))
{
flags |= PackageIndexFlags.PreferHost;
}
if (options.IsPresent("-host"))
{
flags |= PackageIndexFlags.Host;
}
if (options.IsPresent("-normal"))
{
flags |= PackageIndexFlags.Normal;
}
if (options.IsPresent("-nonormal"))
{
flags |= PackageIndexFlags.NoNormal;
}
if (options.IsPresent("-recursive"))
{
flags |= PackageIndexFlags.Recursive;
}
if (options.IsPresent("-refresh"))
{
flags |= PackageIndexFlags.Refresh;
}
if (options.IsPresent("-resolve"))
{
flags |= PackageIndexFlags.Resolve;
}
bool autoPath = false;
if (options.IsPresent("-autopath"))
{
autoPath = true;
}
StringList paths;
if (argumentIndex != Index.Invalid)
{
//
// NOTE: Refresh the specified path list.
//
paths = new StringList(arguments, argumentIndex);
}
else
{
//
// NOTE: Refresh the default path list.
//
paths = GlobalState.GetAutoPathList(interpreter, autoPath);
//
// NOTE: Did they request the auto-path be rebuilt?
//
if (autoPath)
{
//
// NOTE: Since the actual auto-path may have changed,
// update the variable now. We disable traces
// here because we manually rescan, if necessary,
// below.
//
code = interpreter.SetLibraryVariableValue(
VariableFlags.SkipTrace, TclVars.AutoPath,
(paths != null) ? paths.ToString() : null,
ref result);
}
}
if (code == ReturnCode.Ok)
{
PackageIndexDictionary packageIndexes = interpreter.CopyPackageIndexes();
if (code == ReturnCode.Ok)
{
code = PackageOps.FindAll(
interpreter, paths, flags, ref packageIndexes,
ref result);
}
if (code == ReturnCode.Ok)
{
interpreter.PackageIndexes = packageIndexes;
result = String.Empty;
}
}
}
}
}
else
{
result = "wrong # args: should be \"package scan ?options? ?dir dir ...?\"";
code = ReturnCode.Error;
}
break;
}
case "unknown":
{
if ((arguments.Count == 2) || (arguments.Count == 3))
{
if (arguments.Count == 3)
{
interpreter.PackageUnknown = arguments[2];
result = String.Empty;
}
else
{
result = interpreter.PackageUnknown;
}
code = ReturnCode.Ok;
}
else
{
result = "wrong # args: should be \"package unknown ?command?\"";
code = ReturnCode.Error;
}
break;
}
case "vcompare":
{
if (arguments.Count == 4)
{
Version version1 = null;
code = Value.GetVersion(
arguments[2], interpreter.CultureInfo,
ref version1, ref result);
Version version2 = null;
if (code == ReturnCode.Ok)
{
code = Value.GetVersion(
arguments[3], interpreter.CultureInfo,
ref version2, ref result);
}
if (code == ReturnCode.Ok)
{
result = PackageOps.VersionCompare(version1, version2);
}
}
else
{
result = "wrong # args: should be \"package vcompare version1 version2\"";
code = ReturnCode.Error;
}
break;
}
case "versions":
{
if (arguments.Count == 3)
{
code = interpreter.PkgVersions(
arguments[2], ref result);
}
else
{
result = "wrong # args: should be \"package versions package\"";
code = ReturnCode.Error;
}
break;
}
case "vloaded":
{
if ((arguments.Count == 2) || (arguments.Count == 3))
{
string pattern = null;
if (arguments.Count == 3)
{
pattern = arguments[2];
}
code = interpreter.PkgLoaded(
pattern, false, true, ref result);
}
else
{
result = "wrong # args: should be \"package vloaded ?pattern?\"";
code = ReturnCode.Error;
}
break;
}
case "vsatisfies":
{
if (arguments.Count == 4)
{
PackageFlags flags = interpreter.PackageFlags;
if (!FlagOps.HasFlags(flags, PackageFlags.AlwaysSatisfy, true))
{
Version version1 = null;
code = Value.GetVersion(arguments[2], interpreter.CultureInfo, ref version1, ref result);
Version version2 = null;
if (code == ReturnCode.Ok)
{
code = Value.GetVersion(
arguments[3], interpreter.CultureInfo,
ref version2, ref result);
}
if (code == ReturnCode.Ok)
{
result = PackageOps.VersionSatisfies(
version1, version2, false);
}
}
else
{
//
// HACK: Always fake that this was a satisfied package request.
//
result = true;
code = ReturnCode.Ok;
}
}
else
{
result = "wrong # args: should be \"package vsatisfies version1 version2\"";
code = ReturnCode.Error;
}
break;
}
case "withdraw":
{
if ((arguments.Count == 3) || (arguments.Count == 4))
{
Version version = null;
if (arguments.Count == 4)
{
code = Value.GetVersion(
arguments[3], interpreter.CultureInfo,
ref version, ref result);
}
if (code == ReturnCode.Ok)
{
code = interpreter.WithdrawPackage(
arguments[2], version, ref result);
}
}
else
{
result = "wrong # args: should be \"package withdraw package ?version?\"";
code = ReturnCode.Error;
}
break;
}
default:
{
result = ScriptOps.BadSubCommand(
interpreter, null, null, subCommand, this, null, null);
code = ReturnCode.Error;
break;
}
}
}
}
else
{
result = "wrong # args: should be \"package arg ?arg ...?\"";
code = ReturnCode.Error;
}
}
else
{
result = "invalid argument list";
code = ReturnCode.Error;
}
}
else
{
result = "invalid interpreter";
code = ReturnCode.Error;
}
return(code);
}