testing stuff

src/main.rs

@@ -1,12 +1,80 @@
-use std::fs::read;
+fn header(i: &str) -> Option<(&str, String)> {
+    let mut itr = i.chars();
+    if let Some(next) = itr.next() && next == '\n' {
+        if let Some(maybe_star) = itr.skip_while(|c| *c == ' ' || *c == '\t').next() && maybe_star == '*' {
+            
+        }
+    }
+    Some((i, "<h1>".to_string()))
+}
 
 fn main() {
     // arg 1: src, arg 2: dest
     let args: Vec<String> = std::env::args().collect();
     let input: String = std::fs::read_to_string(&args[1]).unwrap();
-    let mut output = input;   
+    let mut output: String = String::new();
+
+    let mut is_bold = false;
+    let mut title: Option<usize> = None;
+
+    let mut itr = input.chars().peekable();
+    while let Some(c) = itr.next() {
+        match c {
+            '*' => {
+                if !is_bold {
+                    output.push_str("<b>");
+                    is_bold = true;
+                } else {
+                    output.push_str("</b>");
+                    is_bold = false;
+                }
+            }
+            '\n' => {
+                if let Some(title_count) = title {
+                    title = None;
+                    output.push_str(&format!("</h{title_count}>"));
+                } else {
+                    let mut title_count = 0;
+                    while let Some(c) = itr.peek() {
+                        if *c == '#' {
+                            title_count += 1;
+                        } else if *c == ' ' || *c == '\t' {
+                            // it is title
+                            output.push_str(&format!("<h{title_count}>"));
+                            title = Some(title_count);
+                        } else {
+
+                        }
+                    }
+                }
+                output.push('\n');
+            }
+            _ => {
+                output.push(c);
+            }
+        }
+    }
+    println!("{output}");
+
+    //let output: String = input.lines().map(|l| {
+    //    // Titles
+    //    let count = l.chars().take_while(|c| *c == '#').count();
+    //    if count > 0 {
+    //        format!("<h{count}>{}</h{count}>", &l[count..])
+    //    } else {
+    //        l.to_string()
+    //    }
+    //})
+    //.map(|l| {
+    //    if l.chars().skip_while(|c| *c == ' ' || *c == '\t').next().unwrap_or('g') == '*' {
+    //        
+    //    } else {
+    //        l.to_string()
+    //    }
+    //})
+    //.collect();
     
     // headings: replace # - newline to <h1> - </h1>
-    
-    println!("{}", output);
+
+    //println!("{}", output);
 }