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use crate::rules::import::ImportRule;
use crate::values::url::Url;
use serde::Serialize;
use cssparser::SourceLocation;
use crate::printer::Printer;
use crate::traits::ToCss;
use crate::css_modules::hash;
#[derive(Serialize)]
#[serde(tag = "type", rename_all = "lowercase")]
pub enum Dependency {
Import(ImportDependency),
Url(UrlDependency)
}
#[derive(Serialize)]
pub struct ImportDependency {
pub url: String,
pub supports: Option<String>,
pub media: Option<String>,
pub loc: SourceRange
}
impl ImportDependency {
pub fn new(rule: &ImportRule, filename: &str) -> ImportDependency {
let supports = if let Some(supports) = &rule.supports {
let mut s = String::new();
let mut printer = Printer::new(&mut s, None, false, None);
supports.to_css(&mut printer).unwrap();
Some(s)
} else {
None
};
let media = if !rule.media.media_queries.is_empty() {
let mut s = String::new();
let mut printer = Printer::new(&mut s, None, false, None);
rule.media.to_css(&mut printer).unwrap();
Some(s)
} else {
None
};
ImportDependency {
url: rule.url.as_ref().to_owned(),
supports,
media,
loc: SourceRange::new(filename, SourceLocation { line: rule.loc.line, column: rule.loc.column }, 8, rule.url.len() + 2)
}
}
}
#[derive(Serialize)]
pub struct UrlDependency {
pub url: String,
pub placeholder: String,
pub loc: SourceRange
}
impl UrlDependency {
pub fn new(url: &Url, filename: &str) -> UrlDependency {
let placeholder = hash(&format!("{}_{}", filename, url.url));
UrlDependency {
url: url.url.to_string(),
placeholder,
loc: SourceRange::new(filename, url.loc, 4, url.url.len())
}
}
}
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct SourceRange {
pub file_path: String,
pub start: Location,
pub end: Location,
}
#[derive(Serialize)]
pub struct Location {
pub line: u32,
pub column: u32
}
impl SourceRange {
fn new(filename: &str, loc: SourceLocation, offset: u32, len: usize) -> SourceRange {
SourceRange {
file_path: filename.into(),
start: Location {
line: loc.line + 1,
column: loc.column + offset
},
end: Location {
line: loc.line + 1,
column: loc.column + offset + (len as u32) - 1
}
}
}
}