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use std::{
fmt::{Display, Formatter},
ops::Deref,
};
/// Render result, containing the rendered text content.
#[derive(Default, Debug, PartialEq)]
pub struct RenderResult {
render_text: String,
}
impl Display for RenderResult {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
writeln!(f, "{}", self.render_text.trim())
}
}
impl Deref for RenderResult {
type Target = str;
fn deref(&self) -> &Self::Target {
&self.render_text
}
}
impl RenderResult {
/// Appends the given text to the rendered content.
///
/// # Examples
///
/// ```
/// use mingling_core::RenderResult;
/// use std::ops::Deref;
///
/// let mut result = RenderResult::default();
/// result.print("Hello");
/// result.print(", world!");
/// assert_eq!(result.deref(), "Hello, world!");
/// ```
pub fn print(&mut self, text: &str) {
self.render_text.push_str(text);
}
/// Appends the given text followed by a newline to the rendered content.
///
/// # Examples
///
/// ```
/// use mingling_core::RenderResult;
/// use std::ops::Deref;
///
/// let mut result = RenderResult::default();
/// result.println("First line");
/// result.println("Second line");
/// assert_eq!(result.deref(), "First line\nSecond line\n");
/// ```
pub fn println(&mut self, text: &str) {
self.render_text.push_str(text);
self.render_text.push('\n');
}
/// Clears all rendered content.
///
/// # Examples
///
/// ```
/// use mingling_core::RenderResult;
/// use std::ops::Deref;
///
/// let mut result = RenderResult::default();
/// result.print("Some content");
/// assert!(!result.is_empty());
/// result.clear();
/// assert!(result.is_empty());
/// ```
pub fn clear(&mut self) {
self.render_text.clear();
}
}
|
