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shannon_nu_protocol/config/
mod.rs

1//! Module containing the internal representation of user configuration
2
3use crate::FromValue;
4use crate::{self as nu_protocol};
5use helper::*;
6use prelude::*;
7use std::collections::HashMap;
8
9pub use ansi_coloring::UseAnsiColoring;
10pub use clip::ClipConfig;
11pub use completions::{
12    CompletionAlgorithm, CompletionConfig, CompletionSort, ExternalCompleterConfig,
13};
14pub use datetime_format::DatetimeFormatConfig;
15pub use display_errors::DisplayErrors;
16pub use filesize::FilesizeConfig;
17pub use helper::extract_value;
18pub use hinter::HinterConfig;
19pub use history::{HistoryConfig, HistoryFileFormat, HistoryPath};
20pub use hooks::Hooks;
21pub use ls::LsConfig;
22pub use output::{BannerKind, ErrorStyle};
23pub use plugin_gc::{PluginGcConfig, PluginGcConfigs};
24pub use reedline::{CursorShapeConfig, EditBindings, NuCursorShape, ParsedKeybinding, ParsedMenu};
25pub use rm::RmConfig;
26pub use shell_integration::ShellIntegrationConfig;
27pub use table::{FooterMode, TableConfig, TableIndent, TableIndexMode, TableMode, TrimStrategy};
28
29mod ansi_coloring;
30mod clip;
31mod completions;
32mod datetime_format;
33mod display_errors;
34mod error;
35mod filesize;
36mod helper;
37mod hinter;
38mod history;
39mod hooks;
40mod ls;
41mod output;
42mod plugin_gc;
43mod prelude;
44mod reedline;
45mod rm;
46mod shell_integration;
47mod table;
48
49#[derive(Clone, Debug, IntoValue, Serialize, Deserialize)]
50pub struct Config {
51    pub filesize: FilesizeConfig,
52    pub table: TableConfig,
53    pub ls: LsConfig,
54    pub clip: ClipConfig,
55    pub color_config: HashMap<String, Value>,
56    pub footer_mode: FooterMode,
57    pub float_precision: i64,
58    pub recursion_limit: i64,
59    pub use_ansi_coloring: UseAnsiColoring,
60    pub completions: CompletionConfig,
61    pub edit_mode: EditBindings,
62    pub show_hints: bool,
63    pub hinter: HinterConfig,
64    pub history: HistoryConfig,
65    pub keybindings: Vec<ParsedKeybinding>,
66    pub menus: Vec<ParsedMenu>,
67    pub hooks: Hooks,
68    pub rm: RmConfig,
69    pub shell_integration: ShellIntegrationConfig,
70    pub buffer_editor: Value,
71    pub show_banner: BannerKind,
72    pub bracketed_paste: bool,
73    pub render_right_prompt_on_last_line: bool,
74    pub explore: HashMap<String, Value>,
75    pub cursor_shape: CursorShapeConfig,
76    pub datetime_format: DatetimeFormatConfig,
77    pub error_style: ErrorStyle,
78    pub error_lines: i64,
79    pub display_errors: DisplayErrors,
80    pub use_kitty_protocol: bool,
81    pub highlight_resolved_externals: bool,
82    /// Configuration for plugins.
83    ///
84    /// Users can provide configuration for a plugin through this entry.  The entry name must
85    /// match the registered plugin name so `plugin add nu_plugin_example` will be able to place
86    /// its configuration under a `nu_plugin_example` column.
87    pub plugins: HashMap<String, Value>,
88    /// Configuration for plugin garbage collection.
89    pub plugin_gc: PluginGcConfigs,
90}
91
92impl Default for Config {
93    fn default() -> Config {
94        Config {
95            show_banner: BannerKind::default(),
96
97            table: TableConfig::default(),
98            rm: RmConfig::default(),
99            ls: LsConfig::default(),
100
101            datetime_format: DatetimeFormatConfig::default(),
102
103            explore: HashMap::new(),
104
105            history: HistoryConfig::default(),
106
107            completions: CompletionConfig::default(),
108
109            recursion_limit: 50,
110
111            filesize: FilesizeConfig::default(),
112
113            cursor_shape: CursorShapeConfig::default(),
114
115            clip: ClipConfig::default(),
116
117            color_config: HashMap::new(),
118            footer_mode: FooterMode::RowCount(25),
119            float_precision: 2,
120            buffer_editor: Value::nothing(Span::unknown()),
121            use_ansi_coloring: UseAnsiColoring::default(),
122            bracketed_paste: true,
123            edit_mode: EditBindings::default(),
124            show_hints: true,
125            hinter: HinterConfig::default(),
126
127            shell_integration: ShellIntegrationConfig::default(),
128
129            render_right_prompt_on_last_line: false,
130
131            hooks: Hooks::new(),
132
133            menus: Vec::new(),
134
135            keybindings: Vec::new(),
136
137            error_style: ErrorStyle::default(),
138            error_lines: 1,
139            display_errors: DisplayErrors::default(),
140
141            use_kitty_protocol: false,
142            highlight_resolved_externals: false,
143
144            plugins: HashMap::new(),
145            plugin_gc: PluginGcConfigs::default(),
146        }
147    }
148}
149
150impl UpdateFromValue for Config {
151    fn update<'a>(
152        &mut self,
153        value: &'a Value,
154        path: &mut ConfigPath<'a>,
155        errors: &mut ConfigErrors,
156    ) {
157        let Value::Record { val: record, .. } = value else {
158            errors.type_mismatch(path, Type::record(), value);
159            return;
160        };
161
162        for (col, val) in record.iter() {
163            let path = &mut path.push(col);
164            match col.as_str() {
165                "ls" => self.ls.update(val, path, errors),
166                "rm" => self.rm.update(val, path, errors),
167                "history" => self.history.update(val, path, errors),
168                "completions" => self.completions.update(val, path, errors),
169                "cursor_shape" => self.cursor_shape.update(val, path, errors),
170                "table" => self.table.update(val, path, errors),
171                "filesize" => self.filesize.update(val, path, errors),
172                "explore" => self.explore.update(val, path, errors),
173                "color_config" => self.color_config.update(val, path, errors),
174                "clip" => self.clip.update(val, path, errors),
175                "footer_mode" => self.footer_mode.update(val, path, errors),
176                "float_precision" => self.float_precision.update(val, path, errors),
177                "use_ansi_coloring" => self.use_ansi_coloring.update(val, path, errors),
178                "edit_mode" => self.edit_mode.update(val, path, errors),
179                "show_hints" => self.show_hints.update(val, path, errors),
180                "hinter" => self.hinter.update(val, path, errors),
181                "shell_integration" => self.shell_integration.update(val, path, errors),
182                "buffer_editor" => match val {
183                    Value::Nothing { .. } | Value::String { .. } => {
184                        self.buffer_editor = val.clone();
185                    }
186                    Value::List { vals, .. }
187                        if vals.iter().all(|val| matches!(val, Value::String { .. })) =>
188                    {
189                        self.buffer_editor = val.clone();
190                    }
191                    _ => errors.type_mismatch(
192                        path,
193                        Type::custom("string, list<string>, or nothing"),
194                        val,
195                    ),
196                },
197                "show_banner" => self.show_banner.update(val, path, errors),
198                "display_errors" => self.display_errors.update(val, path, errors),
199                "render_right_prompt_on_last_line" => self
200                    .render_right_prompt_on_last_line
201                    .update(val, path, errors),
202                "bracketed_paste" => self.bracketed_paste.update(val, path, errors),
203                "use_kitty_protocol" => self.use_kitty_protocol.update(val, path, errors),
204                "highlight_resolved_externals" => {
205                    self.highlight_resolved_externals.update(val, path, errors)
206                }
207                "plugins" => self.plugins.update(val, path, errors),
208                "plugin_gc" => self.plugin_gc.update(val, path, errors),
209                "menus" => match Vec::from_value(val.clone()) {
210                    Ok(menus) => self.menus = menus,
211                    Err(err) => errors.error(err.into()),
212                },
213                "keybindings" => match Vec::from_value(val.clone()) {
214                    Ok(keybindings) => self.keybindings = keybindings,
215                    Err(err) => errors.error(err.into()),
216                },
217                "hooks" => self.hooks.update(val, path, errors),
218                "datetime_format" => self.datetime_format.update(val, path, errors),
219                "error_style" => self.error_style.update(val, path, errors),
220                "error_lines" => {
221                    if let Ok(lines) = val.as_int() {
222                        if lines >= 0 {
223                            self.error_lines = lines;
224                        } else {
225                            errors.invalid_value(path, "an int greater than or equal to 0", val);
226                        }
227                    } else {
228                        errors.type_mismatch(path, Type::Int, val);
229                    }
230                }
231                "recursion_limit" => {
232                    if let Ok(limit) = val.as_int() {
233                        if limit > 1 {
234                            self.recursion_limit = limit;
235                        } else {
236                            errors.invalid_value(path, "an int greater than 1", val);
237                        }
238                    } else {
239                        errors.type_mismatch(path, Type::Int, val);
240                    }
241                }
242                _ => errors.unknown_option(path, val),
243            }
244        }
245    }
246}
247
248impl Config {
249    pub fn update_from_value(
250        &mut self,
251        old: &Config,
252        value: &Value,
253    ) -> Result<Option<ShellWarning>, ShellError> {
254        // Current behaviour is that config errors are displayed, but do not prevent the rest
255        // of the config from being updated (fields with errors are skipped/not updated).
256        // Errors are simply collected one-by-one and wrapped into a ShellError variant at the end.
257        let mut errors = ConfigErrors::new(old);
258        let mut path = ConfigPath::new();
259
260        self.update(value, &mut path, &mut errors);
261
262        errors.check()
263    }
264}