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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
use crate::con_::Con;
use crate::csharp::{BlockComment, Modifier};
use crate::{Cons, Csharp, Element, IntoTokens, Tokens};
#[derive(Debug, Clone)]
pub struct Field<'el> {
pub attributes: Tokens<'el, Csharp<'el>>,
pub modifiers: Vec<Modifier>,
pub comments: Vec<Cons<'el>>,
pub block: Option<Tokens<'el, Csharp<'el>>>,
ty: Csharp<'el>,
name: Cons<'el>,
}
impl<'el> Field<'el> {
pub fn new<T, N>(ty: T, name: N) -> Field<'el>
where
T: Into<Csharp<'el>>,
N: Into<Cons<'el>>,
{
use self::Modifier::*;
Field {
attributes: Tokens::new(),
modifiers: vec![Private],
comments: vec![],
block: None,
ty: ty.into(),
name: name.into(),
}
}
pub fn attribute<T>(&mut self, attribute: T)
where
T: IntoTokens<'el, Csharp<'el>>,
{
self.attributes.push(attribute.into_tokens());
}
pub fn block<I>(&mut self, block: I)
where
I: IntoTokens<'el, Csharp<'el>>,
{
self.block = Some(block.into_tokens());
}
pub fn var(&self) -> Cons<'el> {
self.name.clone()
}
pub fn ty(&self) -> Csharp<'el> {
self.ty.clone()
}
}
into_tokens_impl_from!(Field<'el>, Csharp<'el>);
impl<'el> IntoTokens<'el, Csharp<'el>> for Field<'el> {
fn into_tokens(self) -> Tokens<'el, Csharp<'el>> {
let mut tokens = Tokens::new();
tokens.push_unless_empty(BlockComment(self.comments));
if !self.attributes.is_empty() {
tokens.push(self.attributes);
tokens.append(Element::PushSpacing);
}
tokens.append({
let mut sig = Tokens::new();
sig.extend(self.modifiers.into_tokens());
sig.append(self.ty);
sig.append(self.name);
if let Some(block) = self.block {
sig.append({
let mut b = Tokens::new();
b.append("{");
b.nested(block);
b.push("}");
b
});
}
sig.join_spacing()
});
tokens
}
}
impl<'el> From<Field<'el>> for Element<'el, Csharp<'el>> {
fn from(f: Field<'el>) -> Self {
Element::Append(Con::Owned(f.into_tokens()))
}
}
#[cfg(test)]
mod tests {
use crate::csharp::{Field, INT32};
use crate::tokens::Tokens;
fn field() -> Field<'static> {
Field::new(INT32, "foo")
}
#[test]
fn test_with_comments() {
let mut c = field();
c.comments.push("Hello World".into());
let t: Tokens<_> = c.into();
assert_eq!(
Ok(String::from("/// Hello World\nprivate Int32 foo")),
t.to_string()
);
}
#[test]
fn test_no_comments() {
let t = Tokens::from(field());
assert_eq!(Ok(String::from("private Int32 foo")), t.to_string());
}
}