moo/kernel/IO.moo

72 lines
1.7 KiB
Smalltalk

class(#limited) InputOutputStud(Object) from "io"
{
var(#get) handle. // you must keep handle as the first field for consitency with the io module.
method(#primitive,#lenient) _close.
method(#primitive) _readBytesInto: buffer.
method(#primitive) _readBytesInto: buffer startingAt: offset for: count.
method(#primitive) _writeBytesFrom: buffer.
method(#primitive) _writeBytesFrom: buffer startingAt: offset for: count.
}
class FileAccessor(InputOutputStud) from "io.file"
{
pooldic Flag
{
LOCK_EX from "LOCK_EX",
LOCK_NB from "LOCK_NB",
LOCK_SH from "LOCK_SH",
LOCK_UN from "LOCK_UN",
//O_RDONLY := 0,
//O_WRONLY := 1
O_CLOEXEC from "O_CLOEXEC",
O_CREAT from "O_CREAT",
O_EXCL from "O_EXCL",
O_NOFOLLOW from "O_NOFOLLOW",
O_NONBLOCK from "O_NONBLOCK",
O_RDONLY from "O_RDONLY",
O_RDWR from "O_RDWR",
O_TRUNC from "O_TRUNC",
O_WRONLY from "O_WRONLY",
SEEK_CUR from "SEEK_CUR",
SEEK_END from "SEEK_END",
SEEK_SET from "SEEK_SET"
}
method(#primitive,#lenient) _open: path flags: flags.
method(#primitive) _chmod: mode.
method(#primitive) _chown: uid group: gid.
method(#primitive) _lock: opcode.
method(#primitive) _seek: offset whence: whence.
method(#primitive) _truncate: size.
method(#class) on: path for: flags
{
| fa |
fa := self new _open: path flags: flags.
if (fa isError) { self error: "Unable to open file %s - %s" strfmt(path, thisProcess primErrorMessage) }.
fa addToBeFinalized.
^fa.
}
method close
{
self _close.
self removeToBeFinalized.
}
method finalize
{
self close.
}
}
/*
class UnixFileAccessor(FileAccessor) from "io.file.unix"
{
method(#primitive) _open: path flags: flags mode: mode.
}
*/