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//! Paragraph.
use crate::xml::element::{Element, Elements, FromElements};
mod part;
pub use part::{Error as PartError, Part};
/// A paragraph.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct Paragraph
{
parts: Vec<Part>,
}
impl Paragraph
{
/// Returns a new `Paragraph`.
pub fn new(parts: impl IntoIterator<Item = Part>) -> Self
{
Self {
parts: parts.into_iter().collect(),
}
}
/// Returns the parts of the paragraph.
#[must_use]
pub fn parts(&self) -> &[Part]
{
&self.parts
}
}
impl FromElements for Paragraph
{
type Error = Error;
fn from_elements(elements: &Elements) -> Result<Self, Self::Error>
{
let parts = elements
.into_iter()
.filter_map(|element| {
if matches!(element, Element::Comment(_)) {
return None;
}
Some(Part::from_elements(&Elements::from([element.clone()])))
})
.collect::<Result<Vec<_>, _>>()?;
Ok(Self { parts })
}
}
/// [`Paragraph`] error.
#[derive(Debug, thiserror::Error)]
pub enum Error
{
/// Invalid reference description part.
#[error("Invalid part")]
InvalidPart(#[from] PartError),
}
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