tsfc/
lib.rs

1
2use std::fs::File;
3use std::fmt::{Debug, Formatter, Error};
4use std::io::Result;
5pub use std::io::Write;
6pub use std::io::Read;
7pub use std::path::Path;
8pub use std::io::Seek;
9pub use std::io::SeekFrom;
10
11pub struct WFile { f: File }
12impl WFile {
13  pub fn sync_all(&self) -> Result<()> {
14   self.f.sync_all()
15  }
16  pub fn sync_data(&self) -> Result<()> {
17   self.f.sync_data()
18  }
19  pub fn set_len(&self, size: u64) -> Result<()> {
20   self.f.set_len(size)
21  }
22  pub fn metadata(&self) -> Result<std::fs::Metadata> {
23   self.f.metadata()
24  }
25}
26
27pub struct RFile { f: File }
28impl RFile {
29  pub fn metadata(&self) -> Result<std::fs::Metadata> {
30   self.f.metadata()
31  }
32}
33
34
35impl Debug for WFile {
36  fn fmt(&self, fmtr: &mut Formatter) -> std::result::Result<(), Error> {
37   self.f.fmt(fmtr)
38  }
39}
40
41impl Debug for RFile {
42  fn fmt(&self, fmtr: &mut Formatter) -> std::result::Result<(), Error> {
43   self.f.fmt(fmtr)
44  }
45}
46
47impl Seek for RFile {
48  fn seek(&mut self, pos: SeekFrom) -> Result<u64> {
49   self.f.seek(pos)
50  }
51}
52
53impl Seek for WFile {
54  fn seek(&mut self, pos: SeekFrom) -> Result<u64> {
55   self.f.seek(pos)
56  }
57}
58
59impl Write for WFile {
60  fn write(&mut self, buf: &[u8]) -> Result<usize> {
61    self.f.write(buf)
62  }
63  fn flush(&mut self) -> Result<()> {
64    self.f.flush()
65  }
66  fn write_all(&mut self, buf: &[u8]) -> Result<()> {
67    self.f.write_all(buf)
68  }
69  fn write_fmt(&mut self, fmt: std::fmt::Arguments) -> Result<()> {
70    self.f.write_fmt(fmt)
71  }
72  fn by_ref(&mut self) -> &mut Self {
73    self
74  }
75//  fn broadcast<W: Write>(self, other: W) -> std::io::Broadcast<Self, W> {
76//    unimplemented!()
77//  }
78}
79
80impl Read for RFile {
81  fn read(&mut self, buf: &mut [u8]) -> Result<usize> {
82   self.f.read(buf)
83  }
84  fn read_to_end(&mut self, buf: &mut Vec<u8>) -> Result<usize> {
85   self.f.read_to_end(buf)
86  }
87  fn read_to_string(&mut self, buf: &mut String) -> Result<usize> {
88   self.f.read_to_string(buf)
89  }
90//  fn read_exact(&mut self, buf: &mut [u8]) -> Result<()> {
91//   self.f.read_exact(buf)
92//  }
93  fn by_ref(&mut self) -> &mut Self {
94    self
95  }
96
97//  fn bytes(self) -> Bytes<Self> where Self: Sized { ... }
98//  fn chars(self) -> Chars<Self> where Self: Sized { ... }
99//  fn chain<R: Read>(self, next: R) -> Chain<Self, R> where Self: Sized { ... }
100//  fn take(self, limit: u64) -> Take<Self> where Self: Sized { ... }
101//  fn tee<W: Write>(self, out: W) -> Tee<Self, W> where Self: Sized { ... }
102}
103
104/// Like File::open<P: AsRef<Path>>(path: P) -> Result<File>
105/// but don't implement trait std::io:Write
106pub fn open<P: AsRef<Path>>(path: P) -> Result<RFile> {
107 Ok(RFile {
108  f: try!(File::open(path))
109 })
110}
111
112/// Like File::create<P: AsRef<Path>>(path: P) -> Result<File>
113/// but don't implement trait std::io:Read
114pub fn create<P: AsRef<Path>>(path: P) -> Result<WFile> {
115 Ok(WFile {
116  f: try!(File::create(path))
117 })
118}
tsfc/lib.rs

tsfc/
lib.rs
