rust/hedgewars-server/src/server/io.rs
author unc0rr
Sun, 16 Dec 2018 00:12:29 +0100
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parent 14420 06672690d71b
child 14784 f43ab2bd76ae
permissions -rw-r--r--
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use std::{
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    fs::{File, OpenOptions},
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    io::{Error, ErrorKind, Read, Result, Write},
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};
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pub trait HWServerIO {
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    fn write_file(&mut self, name: &str, content: &str) -> Result<()>;
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    fn read_file(&mut self, name: &str) -> Result<String>;
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}
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pub struct EmptyServerIO {}
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impl EmptyServerIO {
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    pub fn new() -> Self {
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        Self {}
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    }
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}
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impl HWServerIO for EmptyServerIO {
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    fn write_file(&mut self, _name: &str, _content: &str) -> Result<()> {
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        Ok(())
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    }
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    fn read_file(&mut self, _name: &str) -> Result<String> {
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        Ok("".to_string())
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    }
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}
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pub struct FileServerIO {}
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impl FileServerIO {
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    pub fn new() -> Self {
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        Self {}
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    }
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}
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impl HWServerIO for FileServerIO {
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    fn write_file(&mut self, name: &str, content: &str) -> Result<()> {
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        let mut writer = OpenOptions::new().create(true).write(true).open(name)?;
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        writer.write_all(content.as_bytes())
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    }
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    fn read_file(&mut self, name: &str) -> Result<String> {
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        let mut reader = File::open(name)?;
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        let mut result = String::new();
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        reader.read_to_string(&mut result)?;
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        Ok(result)
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    }
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}