1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
use std::collections::HashSet;
use futures::Sink;
use tokio::io::AsyncWrite;
use crate::{
element::{Element, Name, NamespaceDeclaration},
error::Error,
xml::{self, composers::Composer, parsers_complete::Parser, ETag},
};
// pub struct Writer<W, C = Composer> {
pub struct Writer<W> {
inner: W,
depth: Vec<Name>,
namespace_declarations: Vec<HashSet<NamespaceDeclaration>>,
}
impl<W: AsyncWrite + Unpin> Writer<W> {
pub async fn write(&mut self, element: Element) -> Result<(), Error> {
todo!()
}
pub async fn write_start(&mut self, element: Element) -> Result<(), Error> {
todo!()
}
pub async fn write_end(&mut self) -> Result<(), Error> {
let e_tag;
if let Some(name) = &self.depth.pop() {
let namespace_declarations_stack: Vec<_> =
self.namespace_declarations.iter().flatten().collect();
let namespace_declaration = namespace_declarations_stack
.iter()
.rfind(|namespace_declaration| namespace_declaration.namespace == name.namespace)
// will always be in this vector
.unwrap();
let prefix = &namespace_declaration.prefix;
if let Some(prefix) = &prefix {
e_tag = xml::ETag {
name: xml::QName::PrefixedName(xml::PrefixedName {
prefix: xml::Prefix::parse_full(prefix)?,
local_part: xml::LocalPart::parse_full(&name.local_name)?,
}),
};
} else {
e_tag = xml::ETag {
name: xml::QName::UnprefixedName(xml::UnprefixedName::parse_full(
&name.local_name,
)?),
};
}
e_tag.write(&mut self.inner).await?;
self.namespace_declarations.pop();
Ok(())
} else {
return Err(Error::NotInElement("".to_string()));
}
}
}
impl<W: AsyncWrite, E: Into<Element>> Sink<E> for Writer<W> {
type Error = Error;
fn poll_ready(
self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Result<(), Self::Error>> {
todo!()
}
fn start_send(self: std::pin::Pin<&mut Self>, item: E) -> Result<(), Self::Error> {
todo!()
}
fn poll_flush(
self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Result<(), Self::Error>> {
todo!()
}
fn poll_close(
self: std::pin::Pin<&mut Self>,
cx: &mut std::task::Context<'_>,
) -> std::task::Poll<Result<(), Self::Error>> {
todo!()
}
}
|
