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text_display_width

cc_switch::cli::display_utils

Function text_display_width 

Source 
pub fn text_display_width(text: &str) -> usize
Expand description

Calculate the display width of a string considering Chinese/English character differences.

Chinese characters typically take 2 terminal columns while ASCII characters take 1. This function provides accurate width calculation for mixed Chinese/English text.

§Arguments

  • text - The text to measure

§Returns

The display width in terminal columns

§Examples

use cc_switch::cli::display_utils::text_display_width;

assert_eq!(text_display_width("Hello"), 5);           // 5 ASCII chars = 5 columns
assert_eq!(text_display_width("你好"), 4);              // 2 Chinese chars = 4 columns  
assert_eq!(text_display_width("Hello你好"), 9);         // 5 ASCII + 2 Chinese = 9 columns