/// <summary>Initialize using buffered random access</summary>
protected internal virtual void randomInit(String filename)
{
FileInfo f = new FileInfo(filename);
FileAccess access =
SupportClass.FileCanWrite(f) ? FileAccess.ReadWrite : FileAccess.Read;
if (!f.Exists)
{
throw new FitsException("File '" + filename + "' does not exist.");
}
try
{
dataStr = new BufferedFile(filename, access);
((BufferedFile)dataStr).Seek(0);
}
catch (IOException)
{
throw new FitsException("Unable to open file " + filename);
}
}
/// <summary> Checks the read/write permissions on the File object. If inmode is less
/// than 0 it checks for read permissions, if mode greater than 0 it checks
/// for write permissions, and if it equals 0 then it checks both.
///
/// </summary>
/// <param name="interp">currrent interpreter.
/// </param>
/// <param name="fileObj">a java.io.File object of the file for this channel.
/// </param>
/// <param name="inmode">what permissions to check for.
/// </param>
private void checkReadWritePerm(Interp interp, FileInfo fileObj, int inmode)
{
bool error = false;
if (inmode <= 0)
{
// HACK
// if (!fileObj.canRead())
// {
// error = true;
// }
}
if (inmode >= 0)
{
if (!SupportClass.FileCanWrite(fileObj))
{
error = true;
}
}
if (error)
{
throw new TclPosixException(interp, TclPosixException.EACCES, true, "couldn't open \"" + fileObj.Name + "\"");
}
}
public TCL.CompletionCode cmdProc(Interp interp, TclObject[] argv)
{
if (argv.Length < 2)
{
throw new TclNumArgsException(interp, 1, argv, "option ?arg ...?");
}
int opt = TclIndex.get(interp, argv[1], validCmds, "option", 0);
string path;
System.IO.FileInfo fileObj = null;
switch (opt)
{
case OPT_ATIME:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
// FIXME: Currently returns the same thing as MTIME.
// Java does not support retrieval of access time.
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(getMtime(interp, argv[2].ToString(), fileObj));
return(TCL.CompletionCode.RETURN);
case OPT_ATTRIBUTES:
if (argv[3].ToString() == "-readonly")
{
fileSetReadOnly(interp, argv);
}
else
{
throw new TclException(interp, "sorry, \"file attributes\" is not implemented yet");
}
return(TCL.CompletionCode.RETURN);
case OPT_CHANNELS:
throw new TclException(interp, "sorry, \"file channels\" is not implemented yet");
case OPT_COPY:
fileCopyRename(interp, argv, true);
return(TCL.CompletionCode.RETURN);
case OPT_DELETE:
fileDelete(interp, argv);
return(TCL.CompletionCode.RETURN);
case OPT_DIRNAME:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
path = argv[2].ToString();
// Return all but the last component. If there is only one
// component, return it if the path was non-relative, otherwise
// return the current directory.
TclObject[] splitArrayObj = TclList.getElements(interp, FileUtil.splitAndTranslate(interp, path));
if (splitArrayObj.Length > 1)
{
interp.setResult(FileUtil.joinPath(interp, splitArrayObj, 0, splitArrayObj.Length - 1));
}
else if ((splitArrayObj.Length == 0) || (FileUtil.getPathType(path) == FileUtil.PATH_RELATIVE))
{
if (JACL.PLATFORM == JACL.PLATFORM_MAC)
{
interp.setResult(":");
}
else
{
interp.setResult(".");
}
}
else
{
interp.setResult(splitArrayObj[0].ToString());
}
return(TCL.CompletionCode.RETURN);
case OPT_EXECUTABLE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
bool isExe = false;
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
// A file must exist to be executable. Directories are always
// executable.
bool tmpBool;
if (System.IO.File.Exists(fileObj.FullName))
{
tmpBool = true;
}
else
{
tmpBool = System.IO.Directory.Exists(fileObj.FullName);
}
if (tmpBool)
{
isExe = System.IO.Directory.Exists(fileObj.FullName);
if (isExe)
{
interp.setResult(isExe);
return(TCL.CompletionCode.RETURN);
}
if (Util.Windows)
{
// File that ends with .exe, .com, or .bat is executable.
string fileName = argv[2].ToString();
isExe = (fileName.EndsWith(".exe") || fileName.EndsWith(".com") || fileName.EndsWith(".bat"));
}
else if (Util.Mac)
{
// FIXME: Not yet implemented on Mac. For now, return true.
// Java does not support executability checking.
isExe = true;
}
else
{
// FIXME: Not yet implemented on Unix. For now, return true.
// Java does not support executability checking.
isExe = true;
}
}
interp.setResult(isExe);
return(TCL.CompletionCode.RETURN);
case OPT_EXISTS:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
bool tmpBool2;
if (System.IO.File.Exists(fileObj.FullName))
{
tmpBool2 = true;
}
else
{
tmpBool2 = System.IO.Directory.Exists(fileObj.FullName);
}
interp.setResult(tmpBool2);
return(TCL.CompletionCode.RETURN);
case OPT_EXTENSION:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
interp.setResult(getExtension(argv[2].ToString()));
return(TCL.CompletionCode.RETURN);
case OPT_ISDIRECTORY:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(System.IO.Directory.Exists(fileObj.FullName));
return(TCL.CompletionCode.RETURN);
case OPT_ISFILE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(System.IO.File.Exists(fileObj.FullName));
return(TCL.CompletionCode.RETURN);
case OPT_JOIN:
if (argv.Length < 3)
{
throw new TclNumArgsException(interp, 2, argv, "name ?name ...?");
}
interp.setResult(FileUtil.joinPath(interp, argv, 2, argv.Length));
return(TCL.CompletionCode.RETURN);
case OPT_LINK:
throw new TclException(interp, "sorry, \"file link\" is not implemented yet");
case OPT_LSTAT:
if (argv.Length != 4)
{
throw new TclNumArgsException(interp, 2, argv, "name varName");
}
// FIXME: Not yet implemented.
// Java does not support link access.
throw new TclException(interp, "file command with opt " + argv[1].ToString() + " is not yet implemented");
case OPT_MTIME:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(getMtime(interp, argv[2].ToString(), fileObj));
return(TCL.CompletionCode.RETURN);
case OPT_MKDIR:
fileMakeDirs(interp, argv);
return(TCL.CompletionCode.RETURN);
case OPT_NATIVENAME:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
interp.setResult(FileUtil.translateFileName(interp, argv[2].ToString()));
return(TCL.CompletionCode.RETURN);
case OPT_NORMALIZE:
throw new TclException(interp, "sorry, \"file normalize\" is not implemented yet");
case OPT_OWNED:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(isOwner(interp, fileObj));
return(TCL.CompletionCode.RETURN);
case OPT_PATHTYPE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
switch (FileUtil.getPathType(argv[2].ToString()))
{
case FileUtil.PATH_RELATIVE:
interp.setResult("relative");
return(TCL.CompletionCode.RETURN);
case FileUtil.PATH_VOLUME_RELATIVE:
interp.setResult("volumerelative");
return(TCL.CompletionCode.RETURN);
case FileUtil.PATH_ABSOLUTE:
interp.setResult("absolute");
break;
}
return(TCL.CompletionCode.RETURN);
case OPT_READABLE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
// interp.setResult(fileObj.canRead());
// HACK
interp.setResult(true);
return(TCL.CompletionCode.RETURN);
case OPT_READLINK:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
// FIXME: Not yet implemented.
// Java does not support link access.
throw new TclException(interp, "file command with opt " + argv[1].ToString() + " is not yet implemented");
case OPT_RENAME:
fileCopyRename(interp, argv, false);
return(TCL.CompletionCode.RETURN);
case OPT_ROOTNAME:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
string fileName2 = argv[2].ToString();
string extension = getExtension(fileName2);
int diffLength = fileName2.Length - extension.Length;
interp.setResult(fileName2.Substring(0, (diffLength) - (0)));
return(TCL.CompletionCode.RETURN);
case OPT_SEPARATOR:
throw new TclException(interp, "sorry, \"file separator\" is not implemented yet");
case OPT_SIZE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
bool tmpBool3;
if (System.IO.File.Exists(fileObj.FullName))
{
tmpBool3 = true;
}
else
{
tmpBool3 = System.IO.Directory.Exists(fileObj.FullName);
}
if (!tmpBool3)
{
throw new TclPosixException(interp, TclPosixException.ENOENT, true, "could not read \"" + argv[2].ToString() + "\"");
}
interp.setResult((int)SupportClass.FileLength(fileObj));
return(TCL.CompletionCode.RETURN);
case OPT_SPLIT:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
interp.setResult(FileUtil.splitPath(interp, argv[2].ToString()));
return(TCL.CompletionCode.RETURN);
case OPT_STAT:
if (argv.Length != 4)
{
throw new TclNumArgsException(interp, 2, argv, "name varName");
}
getAndStoreStatData(interp, argv[2].ToString(), argv[3].ToString());
return(TCL.CompletionCode.RETURN);
case OPT_SYSTEM:
throw new TclException(interp, "sorry, \"file system\" is not implemented yet");
case OPT_TAIL:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
interp.setResult(getTail(interp, argv[2].ToString()));
return(TCL.CompletionCode.RETURN);
case OPT_TYPE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(getType(interp, argv[2].ToString(), fileObj));
return(TCL.CompletionCode.RETURN);
case OPT_VOLUMES:
if (argv.Length != 2)
{
throw new TclNumArgsException(interp, 2, argv, null);
}
// use Java 1.2's File.listRoots() method if available
if (listRootsMethod == null)
{
throw new TclException(interp, "\"file volumes\" is not supported");
}
try
{
System.IO.FileInfo[] roots = (System.IO.FileInfo[])listRootsMethod.Invoke(null, (System.Object[]) new System.Object[0]);
if (roots != null)
{
TclObject list = TclList.newInstance();
for (int i = 0; i < roots.Length; i++)
{
string root = roots[i].FullName;
TclList.append(interp, list, TclString.newInstance(root));
}
interp.setResult(list);
}
}
catch (System.UnauthorizedAccessException ex)
{
throw new TclRuntimeError("IllegalAccessException in volumes cmd");
}
catch (System.ArgumentException ex)
{
throw new TclRuntimeError("IllegalArgumentException in volumes cmd");
}
catch (System.Reflection.TargetInvocationException ex)
{
System.Exception t = ex.GetBaseException();
if (t is System.ApplicationException)
{
throw (System.ApplicationException)t;
}
else
{
throw new TclRuntimeError("unexected exception in volumes cmd");
}
}
return(TCL.CompletionCode.RETURN);
case OPT_WRITABLE:
if (argv.Length != 3)
{
throw new TclNumArgsException(interp, 2, argv, "name");
}
fileObj = FileUtil.getNewFileObj(interp, argv[2].ToString());
interp.setResult(SupportClass.FileCanWrite(fileObj));
return(TCL.CompletionCode.RETURN);
default:
throw new TclRuntimeError("file command with opt " + argv[1].ToString() + " is not implemented");
}
}
