started implementing text formatting with ansi escape sequences

src/format.rs

@@ -0,0 +1,111 @@
+use std::io::{Error, Result};
+
+#[derive(Debug, Clone)]
+pub struct Format {
+    // reset both style and color
+    reset_all: String,
+
+    // text style
+    style: Styles,
+
+    // text color
+    color: Colors,
+}
+
+#[derive(Debug, Clone)]
+pub struct Styles {
+    // set style
+    set: StyleCodes,
+
+    // reset style
+    reset: StyleCodes,
+}
+
+#[derive(Debug, Clone)]
+pub struct StyleCodes {
+    bold: String,
+    dim: String,
+    italic: String,
+    underline: String,
+    blink: String,
+    reverse: String,
+    invisible: String,
+    strikethrough: String,
+}
+
+#[derive(Debug, Clone)]
+pub struct Colors {
+    foreground: ColorCodes,
+    background: ColorCodes,
+}
+
+#[derive(Debug, Clone)]
+pub struct ColorCodes {
+    black: String,
+    red: String,
+    green: String,
+    yellow: String,
+    blue: String,
+    magenta: String,
+    cyan: String,
+    white: String,
+    default: String,
+}
+
+impl Format {
+    const ESC: &str = "\x1B";
+    const PREFIX: &str = "\x1B[";
+
+    pub fn new() -> Format {
+        Format {
+            reset_all: String::from("0"),
+            style: Styles {
+                set: StyleCodes {
+                    bold: String::from("1"),
+                    dim: String::from("2"),
+                    italic: String::from("3"),
+                    underline: String::from("4"),
+                    blink: String::from("5"),
+                    reverse: String::from("7"),
+                    invisible: String::from("8"),
+                    strikethrough: String::from("9"),
+                },
+                reset: StyleCodes {
+                    bold: String::from("22"),
+                    dim: String::from("22"),
+                    italic: String::from("23"),
+                    underline: String::from("24"),
+                    blink: String::from("25"),
+                    reverse: String::from("27"),
+                    invisible: String::from("28"),
+                    strikethrough: String::from("29"),
+                },
+            },
+            color: Colors {
+                foreground: ColorCodes {
+                    black: String::from("30"),
+                    red: String::from("31"),
+                    green: String::from("32"),
+                    yellow: String::from("33"),
+                    blue: String::from("34"),
+                    magenta: String::from("35"),
+                    cyan: String::from("36"),
+                    white: String::from("37"),
+                    default: String::from("39"),
+                },
+                background: ColorCodes {
+                    black: String::from("40"),
+                    red: String::from("41"),
+                    green: String::from("42"),
+                    yellow: String::from("43"),
+                    blue: String::from("44"),
+                    magenta: String::from("45"),
+                    cyan: String::from("46"),
+                    white: String::from("47"),
+                    default: String::from("49"),
+                },
+            },
+        }
+    }
+
+}

src/main.rs

@@ -1,6 +1,7 @@
 mod arguments;
 mod config;
 mod stack;
+mod format;
 
 use arguments::*;
 use clap::Parser;