jmbl/view/
mod.rs

1pub mod jmbl_view;
2pub mod value;
3
4use std::convert::TryInto;
5
6use crate::{
7    list::list_view::ListView, map::map_view::{MapView}, object::AnyObjectState, ops::ObjID,
8    text::text_view::TextView,
9};
10
11use jmbl_view::JMBLViewRef;
12use value::ValueError;
13
14#[derive(Debug, PartialEq, Eq, Hash, Clone)]
15pub enum ObjView {
16    List(ListView),
17    Text(TextView),
18    Map(MapView),
19}
20
21impl ObjView {
22    pub(crate) fn new_for(obj: &AnyObjectState, obj_id: ObjID, ctx: JMBLViewRef) -> Self {
23        match obj {
24            AnyObjectState::List(_) => ObjView::List(ListView::new(obj_id, ctx)),
25            AnyObjectState::Text(_) => ObjView::Text(TextView::new(obj_id, ctx)),
26            AnyObjectState::Map(_) => ObjView::Map(MapView::new(obj_id, ctx)),
27        }
28    }
29
30    pub(crate) fn get_obj_id(&self) -> ObjID {
31        match self {
32            ObjView::List(ref list_view) => list_view.obj_id,
33            ObjView::Map(ref map_view) => map_view.obj_id,
34            ObjView::Text(ref text_view) => text_view.obj_id,
35        }
36    }
37
38    pub fn to_litl(&self) -> litl::Val {
39        match self {
40            ObjView::List(list_view) => list_view.val_to_litl(),
41            ObjView::Text(text_view) => text_view.val_to_litl(),
42            ObjView::Map(map_view) => map_view.val_to_litl(),
43        }
44    }
45
46    pub fn if_map(&self) -> Result<&MapView, ValueError> {
47        self.try_into()
48    }
49
50    pub fn if_list(&self) -> Result<&ListView, ValueError> {
51        self.try_into()
52    }
53
54    pub fn if_text(&self) -> Result<&TextView, ValueError> {
55        self.try_into()
56    }
57
58    pub fn if_map_mut(&mut self) -> Result<&mut MapView, ValueError> {
59        self.try_into()
60    }
61
62    pub fn if_list_mut(&mut self) -> Result<&mut ListView, ValueError> {
63        self.try_into()
64    }
65
66    pub fn if_text_mut(&mut self) -> Result<&mut TextView, ValueError> {
67        self.try_into()
68    }
69}
70
71impl TryInto<ListView> for ObjView {
72    type Error = ValueError;
73
74    fn try_into(self) -> Result<ListView, Self::Error> {
75        match self {
76            ObjView::List(list_view) => Ok(list_view),
77            _ => Err(ValueError::ExpectedList(self.clone())),
78        }
79    }
80}
81
82impl TryInto<MapView> for ObjView {
83    type Error = ValueError;
84
85    fn try_into(self) -> Result<MapView, Self::Error> {
86        match self {
87            ObjView::Map(map_view) => Ok(map_view),
88            _ => Err(ValueError::ExpectedMap(self.clone())),
89        }
90    }
91}
92
93impl TryInto<TextView> for ObjView {
94    type Error = ValueError;
95
96    fn try_into(self) -> Result<TextView, Self::Error> {
97        match self {
98            ObjView::Text(text_view) => Ok(text_view),
99            _ => Err(ValueError::ExpectedText(self.clone())),
100        }
101    }
102}
103
104impl<'a> TryInto<&'a ListView> for &'a ObjView {
105    type Error = ValueError;
106
107    fn try_into(self) -> Result<&'a ListView, Self::Error> {
108        match self {
109            ObjView::List(list_view) => Ok(list_view),
110            _ => Err(ValueError::ExpectedList(self.clone())),
111        }
112    }
113}
114
115impl<'a> TryInto<&'a MapView> for &'a ObjView {
116    type Error = ValueError;
117
118    fn try_into(self) -> Result<&'a MapView, Self::Error> {
119        match self {
120            ObjView::Map(map_view) => Ok(map_view),
121            _ => Err(ValueError::ExpectedMap(self.clone())),
122        }
123    }
124}
125
126impl<'a> TryInto<&'a TextView> for &'a ObjView {
127    type Error = ValueError;
128
129    fn try_into(self) -> Result<&'a TextView, Self::Error> {
130        match self {
131            ObjView::Text(text_view) => Ok(text_view),
132            _ => Err(ValueError::ExpectedText(self.clone())),
133        }
134    }
135}
136
137impl<'a> TryInto<&'a mut ListView> for &'a mut ObjView {
138    type Error = ValueError;
139
140    fn try_into(self) -> Result<&'a mut ListView, Self::Error> {
141        match self {
142            ObjView::List(list_view) => Ok(list_view),
143            _ => Err(ValueError::ExpectedList(self.clone())),
144        }
145    }
146}
147
148impl<'a> TryInto<&'a mut MapView> for &'a mut ObjView {
149    type Error = ValueError;
150
151    fn try_into(self) -> Result<&'a mut MapView, Self::Error> {
152        match self {
153            ObjView::Map(map_view) => Ok(map_view),
154            _ => Err(ValueError::ExpectedMap(self.clone())),
155        }
156    }
157}
158
159impl<'a> TryInto<&'a mut TextView> for &'a mut ObjView {
160    type Error = ValueError;
161
162    fn try_into(self) -> Result<&'a mut TextView, Self::Error> {
163        match self {
164            ObjView::Text(text_view) => Ok(text_view),
165            _ => Err(ValueError::ExpectedText(self.clone())),
166        }
167    }
168}
jmbl/view/mod.rs

jmbl/view/
mod.rs
