1use std::ops::{Deref, DerefMut};
2
3use crate::{writer::XmlWriter, CodeGenerator};
4
5impl<'b, W> CodeGenerator<'b, W>
6where
7 W: XmlWriter,
8{
9 #[inline]
11 pub(super) fn with_ctx(&mut self, ctx: Ctx) -> WithCtx<'_, 'b, W> {
12 let orig_ctx = self.ctx;
13
14 self.ctx = ctx;
15
16 WithCtx {
17 orig_ctx,
18 inner: self,
19 }
20 }
21}
22
23#[derive(Debug, Default, Clone, Copy)]
24pub(crate) struct Ctx {
25 pub need_escape_text: bool,
26}
27
28pub(super) struct WithCtx<'w, 'a, I: 'w + XmlWriter> {
29 inner: &'w mut CodeGenerator<'a, I>,
30 orig_ctx: Ctx,
31}
32
33impl<'w, I: XmlWriter> Deref for WithCtx<'_, 'w, I> {
34 type Target = CodeGenerator<'w, I>;
35
36 fn deref(&self) -> &CodeGenerator<'w, I> {
37 self.inner
38 }
39}
40impl<'w, I: XmlWriter> DerefMut for WithCtx<'_, 'w, I> {
41 fn deref_mut(&mut self) -> &mut CodeGenerator<'w, I> {
42 self.inner
43 }
44}
45
46impl<I: XmlWriter> Drop for WithCtx<'_, '_, I> {
47 fn drop(&mut self) {
48 self.inner.ctx = self.orig_ctx;
49 }
50}