filesystem.wu

import types { Object_T, Data }



# BufferMode: enum {"none", "line", "full"}
# FileMode: enum {"r", "w", "a", "c"}
# ContainerType: enum {"data", "string"}


File: struct {}

File_T: trait {
    close:          fun(self) -> bool
    flush:          fun(self) -> (bool, str?)
    getBuffer:      fun(self) -> (str, int) # fun(self) -> (BufferMode, int)
    getFilename:    fun(self) -> str
    getMode:        fun(self) -> str # fun(self) -> FileMode
    getSize:        fun(self) -> int
    isEOF:          fun(self) -> bool
    isOpen:         fun(self) -> bool
    lines:          fun(self) -> fun
    open:           fun(self, str) -> (bool, str?) # fun(self, FileMode) -> (bool, str?)
    read:           fun(self, str, int?) -> (any, int) # (self, int|ContainerType, int?) -> (str|FileData, int)
    seek:           fun(self, int) -> bool
    setBuffer:      fun(self, str, int?) -> (bool, str?) # fun(self, BufferMode, int?) -> (bool, str?)
    tell:           fun(self) -> int
    write:          fun(self, any, int?) -> (bool, str?) # (self, str|Data, int?) -> bool, str?
}

implement File: Object_T {
    release: extern fun(self) -> bool
    type:    extern fun(self) -> str
    typeOf:  extern fun(self, str) -> bool
}

implement File: File_T {
    close:          extern fun(self) -> bool
    flush:          extern fun(self) -> (bool, str?)
    getBuffer:      extern fun(self) -> (str, int) # fun(self) -> (BufferMode, int)
    getFilename:    extern fun(self) -> str
    getMode:        extern fun(self) -> str # fun(self) -> FileMode
    getSize:        extern fun(self) -> int
    isEOF:          extern fun(self) -> bool
    isOpen:         extern fun(self) -> bool
    lines:          extern fun(self) -> fun
    open:           extern fun(self, str) -> (bool, str?) # fun(self, FileMode) -> (bool, str?)
    read:           extern fun(self, str, int?) -> (any, int) # (self, int|ContainerType, int?) -> (str|FileData, int)
    seek:           extern fun(self, int) -> bool
    setBuffer:      extern fun(self, str, int?) -> (bool, str?) # fun(self, BufferMode, int?) -> (bool, str?)
    tell:           extern fun(self) -> int
    write:          extern fun(self, any, int?) -> (bool, str?) # (self, str|Data, int?) -> bool, str?
}



DroppedFile: struct {}

implement DroppedFile: Object_T {
    release: extern fun(self) -> bool
    type:    extern fun(self) -> str
    typeOf:  extern fun(self, str) -> bool
}

implement DroppedFile: File_T {
    close:          extern fun(self) -> bool
    flush:          extern fun(self) -> (bool, str?)
    getBuffer:      extern fun(self) -> (str, int) # fun(self) -> (BufferMode, int)
    getFilename:    extern fun(self) -> str
    getMode:        extern fun(self) -> str # fun(self) -> FileMode
    getSize:        extern fun(self) -> int
    isEOF:          extern fun(self) -> bool
    isOpen:         extern fun(self) -> bool
    lines:          extern fun(self) -> fun
    open:           extern fun(self, str) -> (bool, str?) # fun(self, FileMode) -> (bool, str?)
    read:           extern fun(self, str, int?) -> (any, int) # (self, int|ContainerType, int?) -> (str|FileData, int)
    seek:           extern fun(self, int) -> bool
    setBuffer:      extern fun(self, str, int?) -> (bool, str?) # fun(self, BufferMode, int?) -> (bool, str?)
    tell:           extern fun(self) -> int
    write:          extern fun(self, any, int?) -> (bool, str?) # (self, str|Data, int?) -> bool, str?
}