perspective_client/table_ref.rs
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2// ┃ ██████ ██████ ██████ █ █ █ █ █ █▄ ▀███ █ ┃
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4// ┃ █▀▀▀▀▀ █▀▀▀▀▀ █▀██▀▀ ▄▄▄▄▄ █ ▄▄▄▄▄█ ▄▄▄▄▄█ ████████▌▐███ █████▄ █ ▄▄▄▄▄ ┃
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7// ┃ Copyright (c) 2017, the Perspective Authors. ┃
8// ┃ ╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌╌ ┃
9// ┃ This file is part of the Perspective library, distributed under the terms ┃
10// ┃ of the [Apache License 2.0](https://www.apache.org/licenses/LICENSE-2.0). ┃
11// ┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛
12
13use crate::Table;
14
15/// A reference to a table, either by handle or by name.
16#[derive(Clone)]
17pub enum TableRef {
18 Table(Table),
19 Name(String),
20}
21
22impl TableRef {
23 pub fn table_name(&self) -> &str {
24 match self {
25 TableRef::Table(table) => table.get_name(),
26 TableRef::Name(name) => name,
27 }
28 }
29}
30
31impl From<&Table> for TableRef {
32 fn from(table: &Table) -> Self {
33 TableRef::Table(table.clone())
34 }
35}
36
37impl From<Table> for TableRef {
38 fn from(table: Table) -> Self {
39 TableRef::Table(table)
40 }
41}
42
43impl From<String> for TableRef {
44 fn from(name: String) -> Self {
45 TableRef::Name(name)
46 }
47}
48
49impl From<&str> for TableRef {
50 fn from(name: &str) -> Self {
51 TableRef::Name(name.to_owned())
52 }
53}