Add navi fn map::expand

5 files changed, 66 insertions, 12 deletions

diff --git a/docs/cheatsheet_syntax.md b/docs/cheatsheet_syntax.md
index 829e0f0..0bc3ce0 100644
--- a/docs/cheatsheet_syntax.md
+++ b/docs/cheatsheet_syntax.md
@@ -137,5 +137,5 @@ true \
 # This will result into: cat "file1.json" "file2.json"
 cat <jsons>
 
-$ jsons: find . -iname '*.json' -type f -print --- --multi --map "sed -e 's/^.*$/\"&\"/' | tr '\n' ' '
+$ jsons: find . -iname '*.json' -type f -print --- --multi --map "navi fn map::expand"
 ```
\ No newline at end of file
diff --git a/src/cmds/func.rs b/src/cmds/func.rs
index 92a8eb7..fad38db 100644
--- a/src/cmds/func.rs
+++ b/src/cmds/func.rs
@@ -1,14 +1,17 @@
 use crate::handler;
+use crate::shell::BashSpawnError;
 use crate::structures::config;
 use crate::url;
 use anyhow::Error;
 use std::io::{self, Read};
+use std::process::Command;
 
 #[derive(Debug)]
 pub enum Func {
     UrlOpen,
     Welcome,
     WidgetLastCommand,
+    MapExpand,
 }
 
 pub fn main(func: &Func, args: Vec<String>) -> Result<(), Error> {
@@ -18,9 +21,21 @@ pub fn main(func: &Func, args: Vec<String>) -> Result<(), Error> {
             "navi --path /tmp/navi/irrelevant".split(' ').collect(),
         )),
         Func::WidgetLastCommand => widget_last_command(),
+        Func::MapExpand => map_expand(),
     }
 }
 
+fn map_expand() -> Result<(), Error> {
+    let cmd = r#"sed -e 's/^.*$/"&"/' | tr '\n' ' '"#;
+    Command::new("bash")
+        .arg("-c")
+        .arg(cmd)
+        .spawn()
+        .map_err(|e| BashSpawnError::new(cmd, e))?
+        .wait()?;
+    Ok(())
+}
+
 fn widget_last_command() -> Result<(), Error> {
     let mut text = String::new();
     io::stdin().read_to_string(&mut text)?;
diff --git a/src/structures/config.rs b/src/structures/config.rs
index 7ddd40a..44524e3 100644
--- a/src/structures/config.rs
+++ b/src/structures/config.rs
@@ -6,6 +6,11 @@ use crate::shell::Shell;
 use clap::{crate_version, AppSettings, Clap};
 use std::str::FromStr;
 
+const FINDER_POSSIBLE_VALUES: &[&str] = &[&"fzf", &"skim"];
+const SHELL_POSSIBLE_VALUES: &[&str] = &[&"bash", &"zsh", &"fish"];
+const FUNC_POSSIBLE_VALUES: &[&str] = &[&"url::open", &"welcome", &"widget::last_command", &"map::expand"];
+const INFO_POSSIBLE_VALUES: &[&str] = &[&"cheats-path"];
+
 impl FromStr for FinderChoice {
     type Err = &'static str;
 
@@ -39,6 +44,7 @@ impl FromStr for Func {
             "url::open" => Ok(Func::UrlOpen),
             "welcome" => Ok(Func::Welcome),
             "widget::last_command" => Ok(Func::WidgetLastCommand),
+            "map::expand" => Ok(Func::MapExpand),
             _ => Err("no match"),
         }
     }
@@ -122,7 +128,7 @@ pub struct Config {
     pub fzf_overrides_var: Option<String>,
 
     /// which finder application to use
-    #[clap(long, env = env_var::FINDER, default_value = "fzf", possible_values = &["fzf", "skim"], case_insensitive = true)]
+    #[clap(long, env = env_var::FINDER, default_value = "fzf", possible_values = FINDER_POSSIBLE_VALUES, case_insensitive = true)]
     pub finder: FinderChoice,
 
     #[clap(subcommand)]
@@ -145,10 +151,10 @@ pub enum Command {
         /// List of arguments (example: "mybranch" "remote")
         args: Vec<String>,
     },
-    /// Performs ad-hoc functions provided by navi
+    /// [Experimental] Performs ad-hoc, internal functions provided by navi
     Fn {
         /// Function name (example: "url::open")
-        #[clap(possible_values = &["welcome", "url::open", "widget::last_command"], case_insensitive = true)]
+        #[clap(possible_values = FUNC_POSSIBLE_VALUES, case_insensitive = true)]
         func: Func,
         /// List of arguments (example: "https://google.com")
         args: Vec<String>,
@@ -176,12 +182,12 @@ pub enum Command {
     },
     /// Outputs shell widget source code
     Widget {
-        #[clap(possible_values = &["bash", "zsh", "fish"], case_insensitive = true, default_value = "bash")]
+        #[clap(possible_values = SHELL_POSSIBLE_VALUES, case_insensitive = true, default_value = "bash")]
         shell: Shell,
     },
     /// Shows info
     Info {
-        #[clap(possible_values = &["cheats-path"], case_insensitive = true)]
+        #[clap(possible_values = INFO_POSSIBLE_VALUES, case_insensitive = true)]
         info: Info,
     },
     /// Helper command for Alfred integration
@@ -272,3 +278,36 @@ pub fn config_from_env() -> Config {
 pub fn config_from_iter(args: Vec<&str>) -> Config {
     Config::parse_from(args)
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_shell_possible_values() {
+        for v in SHELL_POSSIBLE_VALUES {
+            assert_eq!(true, Shell::from_str(v).is_ok())
+        }
+    }
+
+    #[test]
+    fn test_info_possible_values() {
+        for v in INFO_POSSIBLE_VALUES {
+            assert_eq!(true, Info::from_str(v).is_ok())
+        }
+    }
+
+    #[test]
+    fn test_func_possible_values() {
+        for v in FUNC_POSSIBLE_VALUES {
+            assert_eq!(true, Func::from_str(v).is_ok())
+        }
+    }
+
+    #[test]
+    fn test_finder_possible_values() {
+        for v in FINDER_POSSIBLE_VALUES {
+            assert_eq!(true, FinderChoice::from_str(v).is_ok())
+        }
+    }
+}
diff --git a/src/writer/terminal.rs b/src/writer/terminal.rs
index f5509b9..aa01555 100644
--- a/src/writer/terminal.rs
+++ b/src/writer/terminal.rs
@@ -22,8 +22,8 @@ lazy_static! {
     pub static ref TAG_COLOR: Color = parse_ansi(env_var::TAG_COLOR, Color::Cyan);
     pub static ref COMMENT_COLOR: Color = parse_ansi(env_var::COMMENT_COLOR, Color::Blue);
     pub static ref SNIPPET_COLOR: Color = parse_ansi(env_var::SNIPPET_COLOR, Color::White);
-    pub static ref TAG_WIDTH_PERCENTAGE: u16 = env_var::parse(env_var::TAG_WIDTH).unwrap_or(20);
-    pub static ref COMMENT_WIDTH_PERCENTAGE: u16 = env_var::parse(env_var::COMMENT_WIDTH).unwrap_or(40);
+    pub static ref TAG_WIDTH_PERCENTAGE: u16 = env_var::parse(env_var::TAG_WIDTH).unwrap_or(27);
+    pub static ref COMMENT_WIDTH_PERCENTAGE: u16 = env_var::parse(env_var::COMMENT_WIDTH).unwrap_or(43);
 }
 
 pub fn preview(comment: &str, tags: &str, snippet: &str) {
@@ -123,8 +123,8 @@ fn limit_str(text: &str, length: usize) -> String {
 
 fn get_widths() -> (usize, usize) {
     let width = terminal::width();
-    let tag_width = max(4, width * *TAG_WIDTH_PERCENTAGE / 100);
-    let comment_width = max(4, width * *COMMENT_WIDTH_PERCENTAGE / 100);
+    let tag_width = max(20, width * *TAG_WIDTH_PERCENTAGE / 100);
+    let comment_width = max(60, width * *COMMENT_WIDTH_PERCENTAGE / 100);
     (usize::from(tag_width), usize::from(comment_width))
 }
 
diff --git a/tests/cheats/more_cases.cheat b/tests/cheats/more_cases.cheat
index d9f542a..762a6d0 100644
--- a/tests/cheats/more_cases.cheat
+++ b/tests/cheats/more_cases.cheat
@@ -54,7 +54,7 @@ echo description blank
 echo description one character
 
 # map can be used to expand into multiple arguments
-echo <phrases>
+for l in <phrases>; do echo "line: $l"; done
 
 # Concatenate pdf files
 files=($(echo "<files>"))
@@ -72,7 +72,7 @@ $ mapped: echo 'true false' | tr ' ' '\n' --- --map "grep -q t && echo 1 || echo
 $ examples: echo -e 'foo bar\nlorem ipsum\ndolor sit' --- --multi
 $ multiword: echo -e 'foo bar\nlorem ipsum\ndolor sit\nbaz'i
 $ file: ls . --- --preview 'cat {}' --preview-window 'right:50%'
-$ phrases: echo -e "foo bar\nlorem ipsum\ndolor sit" --- --multi --map "sed -e 's/^.*$/\"&\"/' | tr '\n' ' '"
+$ phrases: echo -e "foo bar\nlorem ipsum\ndolor sit" --- --multi --map "navi fn map::expand"
 
 # this should be displayed
 echo hi