Count at least a width of 1 for special chars

papergrid/src/util/string.rs

@@ -67,7 +67,11 @@ pub fn get_text_width(text: &str) -> usize {
 
 /// Returns a char width.
 pub fn get_char_width(c: char) -> usize {
-    unicode_width::UnicodeWidthChar::width(c).unwrap_or_default()
+    let c_width = if ['\n', '\t', '\r', '\0'].contains(&c) {
+        1
+    } else {
+        unicode_width::UnicodeWidthChar::width(c).unwrap_or_default()
+    }
 }
 
 /// Returns a string width (accouting all characters).

tabled/src/settings/width/wrap.rs

@@ -304,7 +304,7 @@ fn chunks(s: &str, width: usize, prefix: &str, suffix: &str) -> Vec<String> {
         let _ = write!(&mut line, "{}", text_style.start());
 
         while !text_slice.is_empty() {
-            let available_space = width - line_width;
+            let available_space = width.saturating_sub(line_width);
 
             let part_width = get_string_width(text_slice);
             if part_width <= available_space {

tabled/src/util/string.rs

@@ -99,7 +99,7 @@ pub(crate) fn split_at_width(s: &str, at_width: usize) -> (usize, usize, usize)
             break;
         };
 
-        let c_width = get_char_width(c);
+        let c_width = unicode_width::UnicodeWidthChar::width(c).unwrap_or_default();
         let c_length = c.len_utf8();
 
         // We cut the chars which takes more then 1 symbol to display,