wasmer_cli/utils/
render.rs

1#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
2pub enum ItemFormat {
3    Json,
4    Yaml,
5    #[default]
6    Table,
7}
8
9impl ItemFormat {
10    pub fn render<T: CliRender>(self, item: &T) -> String {
11        CliRender::render_item(item, self)
12    }
13}
14
15impl std::str::FromStr for ItemFormat {
16    type Err = String;
17
18    fn from_str(s: &str) -> Result<Self, Self::Err> {
19        match s {
20            "json" => Ok(ItemFormat::Json),
21            "yaml" => Ok(ItemFormat::Yaml),
22            "table" => Ok(ItemFormat::Table),
23            other => Err(format!("Unknown output format: '{other}'")),
24        }
25    }
26}
27
28#[derive(Clone, Copy, Debug, PartialEq, Eq, Default)]
29pub enum ListFormat {
30    Json,
31    Yaml,
32    #[default]
33    Table,
34    ItemTable,
35}
36
37impl ListFormat {
38    pub fn render<T: CliRender>(self, items: &[T]) -> String {
39        CliRender::render_list(items, self)
40    }
41}
42
43impl std::str::FromStr for ListFormat {
44    type Err = String;
45
46    fn from_str(s: &str) -> Result<Self, Self::Err> {
47        match s {
48            "json" => Ok(ListFormat::Json),
49            "yaml" => Ok(ListFormat::Yaml),
50            "table" => Ok(ListFormat::Table),
51            "item-table" => Ok(ListFormat::ItemTable),
52            other => Err(format!("Unknown output format: '{other}'")),
53        }
54    }
55}
56
57pub trait CliRender: serde::Serialize + Sized {
58    fn render_item(&self, format: ItemFormat) -> String {
59        match format {
60            ItemFormat::Json => serde_json::to_string_pretty(self).unwrap(),
61            ItemFormat::Yaml => serde_yaml::to_string(self).unwrap(),
62            ItemFormat::Table => self.render_item_table(),
63        }
64    }
65
66    fn render_item_table(&self) -> String;
67
68    fn render_list(items: &[Self], format: ListFormat) -> String {
69        match format {
70            ListFormat::Json => serde_json::to_string_pretty(items).unwrap(),
71            ListFormat::Yaml => serde_yaml::to_string(items).unwrap(),
72            ListFormat::Table => Self::render_list_table(items),
73            ListFormat::ItemTable => {
74                let mut out = String::new();
75
76                for item in items {
77                    out.push_str(&item.render_item_table());
78                    out.push_str("\n\n");
79                }
80
81                out
82            }
83        }
84    }
85
86    fn render_list_table(items: &[Self]) -> String;
87}
wasmer_cli/utils/render.rs

wasmer_cli/utils/
render.rs
