106 lines
3.3 KiB
Rust
106 lines
3.3 KiB
Rust
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use std::{
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ffi::{OsStr, OsString},
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fs,
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path::Path,
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};
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use peekmore::PeekMore;
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use crate::{error::SassResult, Token};
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use crate::lexer::Lexer;
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use super::{Parser, Stmt};
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impl<'a> Parser<'a> {
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pub(super) fn import(&mut self) -> SassResult<Vec<Stmt>> {
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self.whitespace();
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let mut file_name = String::new();
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let next = match self.toks.next() {
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Some(v) => v,
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None => todo!("expected input after @import"),
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};
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match next.kind {
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q @ '"' | q @ '\'' => {
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file_name.push_str(
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&self
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.parse_quoted_string(q)?
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.node
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.unquote()
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.to_css_string(self.span_before)?,
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);
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}
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_ => return Err(("Expected string.", next.pos()).into()),
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}
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if let Some(t) = self.toks.peek() {
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if t.kind == ';' {
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self.toks.next();
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}
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}
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self.whitespace();
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let path: &Path = file_name.as_ref();
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let mut rules = Vec::new();
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let path_buf = if path.is_absolute() {
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// todo: test for absolute path imports
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path.into()
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} else {
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self.path
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.parent()
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.unwrap_or_else(|| Path::new(""))
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.join(path)
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};
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// todo: will panic if path ended in `..`
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let name = path_buf.file_name().unwrap();
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if path_buf.extension() == Some(OsStr::new(".css")) {
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// || name.starts_with("http://") || name.starts_with("https://") {
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todo!("css imports")
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}
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let mut p1 = path_buf.clone();
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p1.push(OsString::from("index.scss"));
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let mut p2 = path_buf.clone();
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p2.push(OsString::from("_index.scss"));
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let paths = [
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path_buf.with_file_name(name).with_extension("scss"),
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path_buf.with_file_name(format!("_{}.scss", name.to_str().unwrap())),
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path_buf,
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p1,
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p2,
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];
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for name in &paths {
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if name.is_file() {
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let file = self.map.add_file(
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name.to_string_lossy().into(),
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String::from_utf8(fs::read(name)?)?,
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);
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let rules2 = Parser {
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toks: &mut Lexer::new(&file)
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.collect::<Vec<Token>>()
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.into_iter()
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.peekmore(),
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map: &mut self.map,
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path: name.as_ref(),
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scopes: &mut self.scopes,
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global_scope: &mut self.global_scope,
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super_selectors: self.super_selectors,
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span_before: file.span.subspan(0, 0),
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content: self.content.clone(),
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in_mixin: self.in_mixin,
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in_function: self.in_function,
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in_control_flow: self.in_control_flow,
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at_root: self.at_root,
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at_root_has_selector: self.at_root_has_selector,
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}
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.parse()?;
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rules.extend(rules2);
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break;
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}
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}
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Ok(rules)
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}
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}
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