rewriting more code

src/main.rs

@@ -3,17 +3,24 @@ fn main() {
     println!("Hello, world!");
 }
 
-fn write_space(s: &mut String) {}
+fn parse_html_entity(ent_name: &str) {}
 
-fn html2text(input: &str) -> String {
-    let in_len = input.len();
+fn write_space(s: &mut String) {
+    let b = s.as_bytes();
+    if b.len() > 0 && b[b.len() - 1] != b' ' {
+        s.push(' ');
+    }
+}
+
+fn html2text(html: &str) -> String {
+    let in_len = html.len();
     let mut tag_start = 0;
     let mut in_ent = false;
     let mut bad_tag_stack_depth = 0;
     let mut should_output = true;
     let mut can_print_new_line = false;
     let mut out_buf = String::new();
-    for (i, r) in input.chars().enumerate() {
+    for (i, r) in html.chars().enumerate() {
         if in_len > 0 && i == in_len - 1 {
             can_print_new_line = false
         }
@@ -27,8 +34,35 @@ fn html2text(input: &str) -> String {
             continue;
         } else if r == '&' && should_output {
             let mut ent_name = String::new();
-            in_ent = false;
-            // parse the entity name, max 10 chars
+            let mut is_ent = false;
+            let mut chars = 10;
+            for er in html[i + 1..].chars() {
+                if er == ';' {
+                    is_ent = true;
+                    break;
+                } else {
+                    ent_name.push(er);
+                }
+                chars += 1;
+                if chars == 10 {
+                    break;
+                }
+            }
+            if is_ent {
+                // parseHTMLentity TODO
+            }
+        } else if r == '<' {
+            // start of tag
+            tag_start = i + 1;
+            should_output = false;
+            continue;
+        } else if r == '>' { // end of tag
+             // TODO
+        }
+
+        if should_output && bad_tag_stack_depth == 0 && !in_ent {
+            can_print_new_line = true;
+            out_buf.push(r);
         }
     }
     out_buf