Merge pull request 'flags' (#5) from flags into main

Reviewed-on: https://gitea.ahur.ac/statzitz/rustit/pulls/5

01_phase_rust_src/sv/src/main.rs

@@ -1,8 +1,8 @@
 
-//mod misc;
 mod parser;
 
 use std::env;
+use std::process::exit;
 
 fn main() {
 
@@ -15,7 +15,7 @@ fn main() {
         Err(..) => "/run/runit/service".to_string(),
     };
 
-    let svwait_var = match svwait_env {
+    let mut svwait_var = match svwait_env {
         Ok(env) => match env.parse::<i32>() {
             Ok(var) => var,
             Err(..) => 7,
@@ -23,6 +23,8 @@ fn main() {
         Err(..) => 7,
     };
 
+    let mut verbose = 0;
+
     dbg!(svdir_var);
     dbg!(svwait_var);
 
@@ -32,12 +34,52 @@ fn main() {
 
     let arg_parser: Vec<String> = parser::parse_args(args);
 
-    dbg!(arg_parser);
+    //dbg!(arg_parser);
 
 
-    // TODO: Interpret the flags given if some are given.
-    // TODO: Set the command if it is given
+    
+    let mut i = 0;
+    let mut command;
+
+    for val in arg_parser.iter() {
+        if i == 0 {
+            if val == "-v" {
+                verbose = 1;
+                dbg!(verbose);
+            }
+            else if val == "-w" {
+                i = 3;
+                // take next parametter before returning to i = 0.
+            }
+            else if val == "--" {
+                i += 1;
+            }
+            else {
+                if val.len() == 2 { 
+                    println!("sv: illegal option -- {}", val.chars().nth(1).unwrap() );
+                    // TODO: thread NOT pannic if it is not an ASCII character.
+                }
+                parser::misc::usage();
+                exit(100);
+            }
+        }
+        else if i == 1 {
+            command = val;
+            dbg!(command);
+            i += 1;
+        }
         // TODO: Exec the command on all given services.
+        else if i == 3 {
+            svwait_var = match val.parse::<i32>() {
+                Ok(val) => val,
+                Err(..) => svwait_var,
+            };
+            dbg!(svwait_var);
+            i = 0;
+        }
+    }
+
+
 
     
     

01_phase_rust_src/sv/src/parser.rs

@@ -1,6 +1,6 @@
 
 
-mod misc;
+pub mod misc;
 
 use std::process::exit;
 
@@ -18,6 +18,7 @@ pub fn parse_args(args: Vec<String>) -> Vec<String>{
             tmpstr = parse_args_1(arg);
 
             if tmpstr == "--" {
+                parser.push("--".to_string());
                 i += 1;
             }
             if tmpstr == "-w" {
@@ -30,6 +31,7 @@ pub fn parse_args(args: Vec<String>) -> Vec<String>{
             }
             else if tmpstr == "" {
                 // We are actually in phase II. Do exactly the same if it was phase II.
+                parser.push("--".to_string());
                 parser.push(phase2(arg));
                 i = 3;
             }