mirror of
https://github.com/sile/hls_m3u8.git
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39 lines
1 KiB
Rust
39 lines
1 KiB
Rust
use std::fmt;
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use std::str::FromStr;
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use trackable::error::ErrorKindExt;
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use {Error, ErrorKind, Result};
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#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
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pub struct ByteRange {
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pub length: usize,
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pub start: Option<usize>,
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}
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impl fmt::Display for ByteRange {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.length)?;
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if let Some(x) = self.start {
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write!(f, "@{}", x)?;
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}
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Ok(())
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}
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}
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impl FromStr for ByteRange {
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type Err = Error;
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fn from_str(s: &str) -> Result<Self> {
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let mut tokens = s.splitn(2, '@');
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let length = tokens.next().expect("Never fails");
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let start = if let Some(start) = tokens.next() {
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Some(track!(
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start.parse().map_err(|e| ErrorKind::InvalidInput.cause(e))
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)?)
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} else {
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None
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};
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Ok(ByteRange {
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length: track!(length.parse().map_err(|e| ErrorKind::InvalidInput.cause(e)))?,
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start,
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})
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}
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}
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