Struct dbsdk_rs::io::FileStream
source · [−]pub struct FileStream { /* private fields */ }
Implementations
sourceimpl FileStream
impl FileStream
sourcepub fn open(path: &str, mode: FileMode) -> Result<FileStream, IOError>
pub fn open(path: &str, mode: FileMode) -> Result<FileStream, IOError>
Open a file from the filesystem (paths are given in the form of “/[device]/path/to/file”)
Valid devices are “cd”, “ma”, and “mb”
sourcepub fn allocate_memory_card(
path: &str,
icondata: &[u8; 128],
iconpalette: &[u16; 16],
blocks: i32
) -> Result<FileStream, IOError>
pub fn allocate_memory_card(
path: &str,
icondata: &[u8; 128],
iconpalette: &[u16; 16],
blocks: i32
) -> Result<FileStream, IOError>
Allocate a new file on the memory card device given in the path string of the given size in 512-byte blocks for writing
sourcepub fn end_of_file(&self) -> bool
pub fn end_of_file(&self) -> bool
Gets whether the stream has reached its end
Trait Implementations
sourceimpl Drop for FileStream
impl Drop for FileStream
sourceimpl Read for FileStream
impl Read for FileStream
sourcefn read(&mut self, buf: &mut [u8]) -> Result<usize>
fn read(&mut self, buf: &mut [u8]) -> Result<usize>
Pull some bytes from this source into the specified buffer, returning
how many bytes were read. Read more
1.36.0 · sourcefn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
fn read_vectored(&mut self, bufs: &mut [IoSliceMut<'_>]) -> Result<usize, Error>
Like
read
, except that it reads into a slice of buffers. Read moresourcefn is_read_vectored(&self) -> bool
fn is_read_vectored(&self) -> bool
🔬This is a nightly-only experimental API. (
can_vector
)1.0.0 · sourcefn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>
fn read_to_end(&mut self, buf: &mut Vec<u8, Global>) -> Result<usize, Error>
Read all bytes until EOF in this source, placing them into
buf
. Read more1.0.0 · sourcefn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
fn read_to_string(&mut self, buf: &mut String) -> Result<usize, Error>
Read all bytes until EOF in this source, appending them to
buf
. Read more1.6.0 · sourcefn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), Error>
Read the exact number of bytes required to fill
buf
. Read moresourcefn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf(&mut self, buf: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Pull some bytes from this source into the specified buffer. Read more
sourcefn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
fn read_buf_exact(&mut self, cursor: BorrowedCursor<'_>) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
read_buf
)Read the exact number of bytes required to fill
cursor
. Read more1.0.0 · sourcefn by_ref(&mut self) -> &mut Self
fn by_ref(&mut self) -> &mut Self
Creates a “by reference” adaptor for this instance of
Read
. Read moresourceimpl Seek for FileStream
impl Seek for FileStream
sourcefn seek(&mut self, pos: SeekFrom) -> Result<u64>
fn seek(&mut self, pos: SeekFrom) -> Result<u64>
Seek to an offset, in bytes, in a stream. Read more
1.55.0 · sourcefn rewind(&mut self) -> Result<(), Error>
fn rewind(&mut self) -> Result<(), Error>
Rewind to the beginning of a stream. Read more
sourceimpl Write for FileStream
impl Write for FileStream
sourcefn write(&mut self, buf: &[u8]) -> Result<usize>
fn write(&mut self, buf: &[u8]) -> Result<usize>
Write a buffer into this writer, returning how many bytes were written. Read more
sourcefn flush(&mut self) -> Result<()>
fn flush(&mut self) -> Result<()>
Flush this output stream, ensuring that all intermediately buffered
contents reach their destination. Read more
sourcefn is_write_vectored(&self) -> bool
fn is_write_vectored(&self) -> bool
🔬This is a nightly-only experimental API. (
can_vector
)1.0.0 · sourcefn write_all(&mut self, buf: &[u8]) -> Result<(), Error>
fn write_all(&mut self, buf: &[u8]) -> Result<(), Error>
Attempts to write an entire buffer into this writer. Read more
sourcefn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>
fn write_all_vectored(&mut self, bufs: &mut [IoSlice<'_>]) -> Result<(), Error>
🔬This is a nightly-only experimental API. (
write_all_vectored
)Attempts to write multiple buffers into this writer. Read more
Auto Trait Implementations
impl RefUnwindSafe for FileStream
impl Send for FileStream
impl Sync for FileStream
impl Unpin for FileStream
impl UnwindSafe for FileStream
Blanket Implementations
sourceimpl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<R> ReadBytesExt for Rwhere
R: Read + ?Sized,
impl<R> ReadBytesExt for Rwhere
R: Read + ?Sized,
sourcefn read_u8(&mut self) -> Result<u8, Error>
fn read_u8(&mut self) -> Result<u8, Error>
Reads an unsigned 8 bit integer from the underlying reader. Read more
sourcefn read_i8(&mut self) -> Result<i8, Error>
fn read_i8(&mut self) -> Result<i8, Error>
Reads a signed 8 bit integer from the underlying reader. Read more
sourcefn read_u16<T>(&mut self) -> Result<u16, Error>where
T: ByteOrder,
fn read_u16<T>(&mut self) -> Result<u16, Error>where
T: ByteOrder,
Reads an unsigned 16 bit integer from the underlying reader. Read more
sourcefn read_i16<T>(&mut self) -> Result<i16, Error>where
T: ByteOrder,
fn read_i16<T>(&mut self) -> Result<i16, Error>where
T: ByteOrder,
Reads a signed 16 bit integer from the underlying reader. Read more
sourcefn read_u24<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
fn read_u24<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
Reads an unsigned 24 bit integer from the underlying reader. Read more
sourcefn read_i24<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
fn read_i24<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
Reads a signed 24 bit integer from the underlying reader. Read more
sourcefn read_u32<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
fn read_u32<T>(&mut self) -> Result<u32, Error>where
T: ByteOrder,
Reads an unsigned 32 bit integer from the underlying reader. Read more
sourcefn read_i32<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
fn read_i32<T>(&mut self) -> Result<i32, Error>where
T: ByteOrder,
Reads a signed 32 bit integer from the underlying reader. Read more
sourcefn read_u48<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
fn read_u48<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned 48 bit integer from the underlying reader. Read more
sourcefn read_i48<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
fn read_i48<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed 48 bit integer from the underlying reader. Read more
sourcefn read_u64<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
fn read_u64<T>(&mut self) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned 64 bit integer from the underlying reader. Read more
sourcefn read_i64<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
fn read_i64<T>(&mut self) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed 64 bit integer from the underlying reader. Read more
sourcefn read_u128<T>(&mut self) -> Result<u128, Error>where
T: ByteOrder,
fn read_u128<T>(&mut self) -> Result<u128, Error>where
T: ByteOrder,
Reads an unsigned 128 bit integer from the underlying reader. Read more
sourcefn read_i128<T>(&mut self) -> Result<i128, Error>where
T: ByteOrder,
fn read_i128<T>(&mut self) -> Result<i128, Error>where
T: ByteOrder,
Reads a signed 128 bit integer from the underlying reader. Read more
sourcefn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error>where
T: ByteOrder,
fn read_uint<T>(&mut self, nbytes: usize) -> Result<u64, Error>where
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader. Read more
sourcefn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error>where
T: ByteOrder,
fn read_int<T>(&mut self, nbytes: usize) -> Result<i64, Error>where
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader. Read more
sourcefn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error>where
T: ByteOrder,
fn read_uint128<T>(&mut self, nbytes: usize) -> Result<u128, Error>where
T: ByteOrder,
Reads an unsigned n-bytes integer from the underlying reader.
sourcefn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error>where
T: ByteOrder,
fn read_int128<T>(&mut self, nbytes: usize) -> Result<i128, Error>where
T: ByteOrder,
Reads a signed n-bytes integer from the underlying reader.
sourcefn read_f32<T>(&mut self) -> Result<f32, Error>where
T: ByteOrder,
fn read_f32<T>(&mut self) -> Result<f32, Error>where
T: ByteOrder,
Reads a IEEE754 single-precision (4 bytes) floating point number from
the underlying reader. Read more
sourcefn read_f64<T>(&mut self) -> Result<f64, Error>where
T: ByteOrder,
fn read_f64<T>(&mut self) -> Result<f64, Error>where
T: ByteOrder,
Reads a IEEE754 double-precision (8 bytes) floating point number from
the underlying reader. Read more
sourcefn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error>where
T: ByteOrder,
fn read_u16_into<T>(&mut self, dst: &mut [u16]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 16 bit integers from the underlying
reader. Read more
sourcefn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error>where
T: ByteOrder,
fn read_u32_into<T>(&mut self, dst: &mut [u32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 32 bit integers from the underlying
reader. Read more
sourcefn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error>where
T: ByteOrder,
fn read_u64_into<T>(&mut self, dst: &mut [u64]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 64 bit integers from the underlying
reader. Read more
sourcefn read_u128_into<T>(&mut self, dst: &mut [u128]) -> Result<(), Error>where
T: ByteOrder,
fn read_u128_into<T>(&mut self, dst: &mut [u128]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of unsigned 128 bit integers from the underlying
reader. Read more
sourcefn read_i8_into(&mut self, dst: &mut [i8]) -> Result<(), Error>
fn read_i8_into(&mut self, dst: &mut [i8]) -> Result<(), Error>
Reads a sequence of signed 8 bit integers from the underlying reader. Read more
sourcefn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error>where
T: ByteOrder,
fn read_i16_into<T>(&mut self, dst: &mut [i16]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 16 bit integers from the underlying
reader. Read more
sourcefn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error>where
T: ByteOrder,
fn read_i32_into<T>(&mut self, dst: &mut [i32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 32 bit integers from the underlying
reader. Read more
sourcefn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error>where
T: ByteOrder,
fn read_i64_into<T>(&mut self, dst: &mut [i64]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 64 bit integers from the underlying
reader. Read more
sourcefn read_i128_into<T>(&mut self, dst: &mut [i128]) -> Result<(), Error>where
T: ByteOrder,
fn read_i128_into<T>(&mut self, dst: &mut [i128]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of signed 128 bit integers from the underlying
reader. Read more
sourcefn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
fn read_f32_into<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
Reads a sequence of IEEE754 single-precision (4 bytes) floating
point numbers from the underlying reader. Read more
sourcefn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
fn read_f32_into_unchecked<T>(&mut self, dst: &mut [f32]) -> Result<(), Error>where
T: ByteOrder,
👎Deprecated since 1.2.0: please use
read_f32_into
insteadDEPRECATED. Read more
sourceimpl<W> WriteBytesExt for Wwhere
W: Write + ?Sized,
impl<W> WriteBytesExt for Wwhere
W: Write + ?Sized,
sourcefn write_u8(&mut self, n: u8) -> Result<(), Error>
fn write_u8(&mut self, n: u8) -> Result<(), Error>
Writes an unsigned 8 bit integer to the underlying writer. Read more
sourcefn write_i8(&mut self, n: i8) -> Result<(), Error>
fn write_i8(&mut self, n: i8) -> Result<(), Error>
Writes a signed 8 bit integer to the underlying writer. Read more
sourcefn write_u16<T>(&mut self, n: u16) -> Result<(), Error>where
T: ByteOrder,
fn write_u16<T>(&mut self, n: u16) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 16 bit integer to the underlying writer. Read more
sourcefn write_i16<T>(&mut self, n: i16) -> Result<(), Error>where
T: ByteOrder,
fn write_i16<T>(&mut self, n: i16) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 16 bit integer to the underlying writer. Read more
sourcefn write_u24<T>(&mut self, n: u32) -> Result<(), Error>where
T: ByteOrder,
fn write_u24<T>(&mut self, n: u32) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 24 bit integer to the underlying writer. Read more
sourcefn write_i24<T>(&mut self, n: i32) -> Result<(), Error>where
T: ByteOrder,
fn write_i24<T>(&mut self, n: i32) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 24 bit integer to the underlying writer. Read more
sourcefn write_u32<T>(&mut self, n: u32) -> Result<(), Error>where
T: ByteOrder,
fn write_u32<T>(&mut self, n: u32) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 32 bit integer to the underlying writer. Read more
sourcefn write_i32<T>(&mut self, n: i32) -> Result<(), Error>where
T: ByteOrder,
fn write_i32<T>(&mut self, n: i32) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 32 bit integer to the underlying writer. Read more
sourcefn write_u48<T>(&mut self, n: u64) -> Result<(), Error>where
T: ByteOrder,
fn write_u48<T>(&mut self, n: u64) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 48 bit integer to the underlying writer. Read more
sourcefn write_i48<T>(&mut self, n: i64) -> Result<(), Error>where
T: ByteOrder,
fn write_i48<T>(&mut self, n: i64) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 48 bit integer to the underlying writer. Read more
sourcefn write_u64<T>(&mut self, n: u64) -> Result<(), Error>where
T: ByteOrder,
fn write_u64<T>(&mut self, n: u64) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 64 bit integer to the underlying writer. Read more
sourcefn write_i64<T>(&mut self, n: i64) -> Result<(), Error>where
T: ByteOrder,
fn write_i64<T>(&mut self, n: i64) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 64 bit integer to the underlying writer. Read more
sourcefn write_u128<T>(&mut self, n: u128) -> Result<(), Error>where
T: ByteOrder,
fn write_u128<T>(&mut self, n: u128) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned 128 bit integer to the underlying writer.
sourcefn write_i128<T>(&mut self, n: i128) -> Result<(), Error>where
T: ByteOrder,
fn write_i128<T>(&mut self, n: i128) -> Result<(), Error>where
T: ByteOrder,
Writes a signed 128 bit integer to the underlying writer.
sourcefn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
fn write_uint<T>(&mut self, n: u64, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned n-bytes integer to the underlying writer. Read more
sourcefn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
fn write_int<T>(&mut self, n: i64, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
Writes a signed n-bytes integer to the underlying writer. Read more
sourcefn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
fn write_uint128<T>(&mut self, n: u128, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
Writes an unsigned n-bytes integer to the underlying writer. Read more
sourcefn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
fn write_int128<T>(&mut self, n: i128, nbytes: usize) -> Result<(), Error>where
T: ByteOrder,
Writes a signed n-bytes integer to the underlying writer. Read more