From 3ff47bd7d45c45371cb904e6a6c41c86be98772e Mon Sep 17 00:00:00 2001
From: Sebastian Speitel <sebastian.speitel@outlook.de>
Date: Sun, 5 May 2024 16:48:30 +0200
Subject: [PATCH] feat(format): clamp single value data

---
 src/data/format.rs | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/data/format.rs b/src/data/format.rs
index 9e61f4b..3e46281 100644
--- a/src/data/format.rs
+++ b/src/data/format.rs
@@ -36,6 +36,10 @@ pub trait Verbosity {
     fn show_id(&self) -> bool {
         false
     }
+    #[inline]
+    fn ellipsis_threshold(&self) -> Option<core::num::NonZeroUsize> {
+        1024.try_into().ok()
+    }
 }
 
 impl Verbosity for i8 {
@@ -55,6 +59,14 @@ impl Verbosity for i8 {
     fn show_id(&self) -> bool {
         *self >= 1
     }
+    #[inline]
+    fn ellipsis_threshold(&self) -> Option<core::num::NonZeroUsize> {
+        match *self {
+            1.. => None,
+            0 => 1024.try_into().ok(),
+            ..=-1 => 25.try_into().ok(),
+        }
+    }
 }
 
 pub trait Format {
@@ -95,7 +107,16 @@ pub trait Format {
             }
 
             if let Some(val) = values.single() {
-                f.write_fmt(format_args!("{{{val}}}"))?;
+                if let Some(t) = Self::verbosity().ellipsis_threshold() {
+                    let formatted = val.to_string();
+                    if formatted.len() > t.get() {
+                        write!(f, "{{{}…}}", &formatted[..t.get()])?;
+                    } else {
+                        write!(f, "{{{formatted}}}")?;
+                    }
+                } else {
+                    write!(f, "{{{val}}}")?;
+                }
                 return Ok(());
             }