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Merge pull request #9 from krakow10/fromstr

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FromStrProp impls for Expanded Parsing Capability
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Robin Appelman 2025-02-14 20:52:10 +01:00 • committed by GitHub
commit fab5ba8b3b
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2 changed files with 46 additions and 23 deletions
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66
src/data/entity.rs
View file

@ -1,5 +1,5 @@
use crate::error::EntityParseError;
use crate::Vector;
use crate::{Angles, Vector};
use serde::de::{Error, Unexpected};
use serde::{Deserialize, Deserializer};
use std::fmt;
@ -133,7 +133,10 @@ impl FromStrProp for u16 {}
impl FromStrProp for f32 {}
impl FromStrProp for u32 {}
impl FromStrProp for i32 {}
impl FromStrProp for Color {}
impl FromStrProp for Angles {}
impl FromStrProp for Vector {}
impl FromStrProp for LightColor {}
impl<T: FromStrProp> EntityProp<'_> for T
where
@ -184,6 +187,21 @@ pub struct Color {
pub b: u8,
}
impl FromStr for Color {
type Err = EntityParseError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let mut floats = s.split(' ').map(u8::from_str);
let r = floats.next().ok_or(EntityParseError::ElementCount)??;
let g = floats.next().ok_or(EntityParseError::ElementCount)??;
let b = floats.next().ok_or(EntityParseError::ElementCount)??;
if floats.next().is_some() {
return Err(EntityParseError::ElementCount);
}
Ok(Self { r, g, b })
}
}
impl<'de> Deserialize<'de> for Color {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
@ -213,28 +231,30 @@ impl FromStr for LightColor {
fn from_str(str: &str) -> Result<Self, Self::Err> {
let mut values = str.split(' ');
Ok(LightColor {
r: values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?,
g: values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?,
b: values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?,
intensity: values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?,
})
let r = values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?;
let g = values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?;
let b = values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?;
let intensity = values
.next()
.ok_or(EntityParseError::ElementCount)?
.parse()
.map_err(EntityParseError::Int)?;
if values.next().is_some() {
return Err(EntityParseError::ElementCount);
}
Ok(LightColor { r, g, b, intensity })
}
}

3
src/data/vector.rs
View file

@ -103,6 +103,9 @@ impl FromStr for Vector {
let x = floats.next().ok_or(EntityParseError::ElementCount)??;
let y = floats.next().ok_or(EntityParseError::ElementCount)??;
let z = floats.next().ok_or(EntityParseError::ElementCount)??;
if floats.next().is_some() {
return Err(EntityParseError::ElementCount);
}
Ok(Vector { x, y, z })
}
}