RGB support

sqishrc.yaml

@@ -19,6 +19,8 @@
 #WHITE
 #CYAN
 #LBLACK (light black, a dark gray in fact)
-#Will definitely add RGB support, stay tuned.
+#RGB ! 
-prompt: "$COLORLBLACK_ !$HISTNUMBER_$COLORCYAN_[$USER_@$HOSTNAME_] $DIR_> $COLORRESET_" 
+#RGB is defined as $RGB|red|green|blue_
+#For example $RGB|108|84|30_ gives you an ugly shade of brown
+prompt: "$COLORLBLACK_ !$HISTNUMBER_$COLORCYAN_[$USER_@$HOSTNAME_]$RGB|125|0|125_$DIR_> $COLORRESET_" 
 

src/shell/config.rs

@@ -2,6 +2,7 @@ use users::{get_user_by_uid, get_current_uid};
 use termion::color;
 use std::{env, fs};
 use std::collections::HashMap;
+use regex::Regex;
 
 extern crate dirs;
 
@@ -50,6 +51,7 @@ impl SqishConf {
             hotkeys: HashMap::new(),
         };
 
+        out_conf.handle_rgb();
         out_conf.handle_colors();
 
         return Ok(out_conf);
@@ -94,6 +96,7 @@ impl SqishConf {
         prompt = prompt.to_owned();
         self.promptline = prompt;
         self.handle_colors();
+        self.handle_rgb();
     }
 
 
@@ -117,7 +120,49 @@ impl SqishConf {
         prompt = prompt.replace("$COLORRESET_", &reset);
         let promptown = prompt.to_owned();
         self.promptline = promptown;
-
     }
 
+    fn handle_rgb(&mut self) {
+        let re = Regex::new(r"\$RGB[^_]*_").unwrap();
+        let promptline_copy = &self.promptline.clone();
+        let matches = re.find_iter(promptline_copy);
+        //println!("Matches : {:?}", &matches.count());
+
+        for m in matches {
+            //Copy of the text used for parsing by replacement
+            let mut matchtext = String::from(m.as_str());
+            //Keep a copy of the original...
+            let matchtext_copy = matchtext.clone();
+
+            //Start replacing...
+            matchtext = matchtext.replace("$RGB", "");
+            matchtext = matchtext.replace("_", "");
+            matchtext = matchtext.replace("|", " ");
+            matchtext = String::from(matchtext.trim());
+            let matchvalues = matchtext
+                .split_whitespace()
+                .collect::<Vec<&str>>();
+            //We now have a Vector of values that must 
+            //converted to u8 before being used by termion
+            //println!("MATCH {:?}", matchvalues);
+
+            //Get the color...
+            let red: u8 = matchvalues[0].parse().unwrap_or(108);
+            let green: u8 = matchvalues[1].parse().unwrap_or(84);
+            let blue: u8 = matchvalues[0].parse().unwrap_or(30);
+
+            let color = color::Fg(color::Rgb {
+                0: red,
+                1: green,
+                2: blue,
+            });
+            let color_display = format!("{}", color);
+            //...and replace in promptline
+            let out_str = self.promptline.replace(&matchtext_copy, &color_display);
+            let out_str = out_str.to_owned();
+            *&mut self.promptline = out_str;
+        }
+    }
+
+
 }