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use maud::{html, Markup, PreEscaped, Render};
use serde::{
de::{self, Visitor},
Deserialize, Deserializer, Serialize,
};
use std::fmt;
struct StringVisitor;
impl<'de> Visitor<'de> for StringVisitor {
type Value = MarkdownString;
fn visit_borrowed_str<E>(self, value: &'de str) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(MarkdownString(xesite_markdown::render(value).map_err(
|why| de::Error::invalid_value(de::Unexpected::Other(&format!("{why}")), &self),
)?))
}
fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(MarkdownString(xesite_markdown::render(value).map_err(
|why| de::Error::invalid_value(de::Unexpected::Other(&format!("{why}")), &self),
)?))
}
fn visit_string<E>(self, value: String) -> Result<Self::Value, E>
where
E: de::Error,
{
Ok(MarkdownString(xesite_markdown::render(&value).map_err(
|why| de::Error::invalid_value(de::Unexpected::Other(&format!("{why}")), &self),
)?))
}
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_str("a string with xesite-flavored markdown")
}
}
#[derive(Serialize, Clone, Default)]
pub struct MarkdownString(String);
impl<'de> Deserialize<'de> for MarkdownString {
fn deserialize<D>(deserializer: D) -> Result<MarkdownString, D::Error>
where
D: Deserializer<'de>,
{
deserializer.deserialize_string(StringVisitor)
}
}
impl Render for MarkdownString {
fn render(&self) -> Markup {
html! {
(PreEscaped(&self.0))
}
}
}
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