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use serde::{Deserialize, Deserializer, Serialize};
use std::ops::Range;
use annotate_snippets::renderer::DEFAULT_TERM_WIDTH;
use annotate_snippets::{Annotation, Level, Message, Renderer, Snippet};
#[derive(Deserialize)]
pub(crate) struct Fixture<'a> {
#[serde(default)]
pub(crate) renderer: RendererDef,
#[serde(borrow)]
pub(crate) message: MessageDef<'a>,
}
#[derive(Deserialize)]
pub struct MessageDef<'a> {
#[serde(with = "LevelDef")]
pub level: Level,
#[serde(borrow)]
pub title: &'a str,
#[serde(default)]
#[serde(borrow)]
pub id: Option<&'a str>,
#[serde(default)]
#[serde(borrow)]
pub footer: Vec<MessageDef<'a>>,
#[serde(deserialize_with = "deserialize_snippets")]
#[serde(borrow)]
pub snippets: Vec<Snippet<'a>>,
}
impl<'a> From<MessageDef<'a>> for Message<'a> {
fn from(val: MessageDef<'a>) -> Self {
let MessageDef {
level,
title,
id,
footer,
snippets,
} = val;
let mut message = level.title(title);
if let Some(id) = id {
message = message.id(id);
}
message = message.snippets(snippets);
message = message.footers(footer.into_iter().map(Into::into));
message
}
}
fn deserialize_snippets<'de, D>(deserializer: D) -> Result<Vec<Snippet<'de>>, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
struct Wrapper<'a>(
#[serde(with = "SnippetDef")]
#[serde(borrow)]
SnippetDef<'a>,
);
let v = Vec::deserialize(deserializer)?;
Ok(v.into_iter().map(|Wrapper(a)| a.into()).collect())
}
#[derive(Deserialize)]
pub struct SnippetDef<'a> {
#[serde(borrow)]
pub source: &'a str,
pub line_start: usize,
#[serde(borrow)]
pub origin: Option<&'a str>,
#[serde(deserialize_with = "deserialize_annotations")]
#[serde(borrow)]
pub annotations: Vec<Annotation<'a>>,
#[serde(default)]
pub fold: bool,
}
impl<'a> From<SnippetDef<'a>> for Snippet<'a> {
fn from(val: SnippetDef<'a>) -> Self {
let SnippetDef {
source,
line_start,
origin,
annotations,
fold,
} = val;
let mut snippet = Snippet::source(source).line_start(line_start).fold(fold);
if let Some(origin) = origin {
snippet = snippet.origin(origin);
}
snippet = snippet.annotations(annotations);
snippet
}
}
fn deserialize_annotations<'de, D>(deserializer: D) -> Result<Vec<Annotation<'de>>, D::Error>
where
D: Deserializer<'de>,
{
#[derive(Deserialize)]
struct Wrapper<'a>(#[serde(borrow)] AnnotationDef<'a>);
let v = Vec::deserialize(deserializer)?;
Ok(v.into_iter().map(|Wrapper(a)| a.into()).collect())
}
#[derive(Serialize, Deserialize)]
pub struct AnnotationDef<'a> {
pub range: Range<usize>,
#[serde(borrow)]
pub label: &'a str,
#[serde(with = "LevelDef")]
pub level: Level,
}
impl<'a> From<AnnotationDef<'a>> for Annotation<'a> {
fn from(val: AnnotationDef<'a>) -> Self {
let AnnotationDef {
range,
label,
level,
} = val;
level.span(range).label(label)
}
}
#[derive(Serialize, Deserialize)]
pub(crate) struct LabelDef<'a> {
#[serde(with = "LevelDef")]
pub(crate) level: Level,
#[serde(borrow)]
pub(crate) label: &'a str,
}
#[allow(dead_code)]
#[derive(Serialize, Deserialize)]
#[serde(remote = "Level")]
enum LevelDef {
Error,
Warning,
Info,
Note,
Help,
}
#[derive(Default, Deserialize)]
pub struct RendererDef {
#[serde(default)]
anonymized_line_numbers: bool,
#[serde(default)]
term_width: Option<usize>,
}
impl From<RendererDef> for Renderer {
fn from(val: RendererDef) -> Self {
let RendererDef {
anonymized_line_numbers,
term_width,
} = val;
Renderer::plain()
.anonymized_line_numbers(anonymized_line_numbers)
.term_width(term_width.unwrap_or(DEFAULT_TERM_WIDTH))
}
}
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