Parse sub section

src/Tools/readmap/src/lib.rs

@@ -11,27 +11,67 @@ pub fn scan(input: Input) -> Result<Vec<Section>, Error> {
 }
 
 fn process<F: std::iter::Iterator<Item=String>>(mut line_iter:F) -> Result<(), Error> {
-    while let Some(line) = line_iter.next() {
+    while let Some(mut line) = line_iter.next() {
+        loop {
             if line.starts_with(".") {
-            process_section(line, &mut line_iter)?;
+                line = process_section(line, &mut line_iter)?;
+            }
+
+            else {
+                break;
+            }
         }
     }
 
     Ok(())
 }
 
-fn process_section<F: std::iter::Iterator<Item=String>>(line: String, line_iter:&mut F) -> Result<(), Error> {
-    let (section, _line) = read_section(line, || {
-        line_iter.next().ok_or(Error::from_str(""))
-    })?;
+fn process_section<F: std::iter::Iterator<Item=String>>(line: String, line_iter:&mut F) -> Result<String, Error> {
+    let mut next_line_closure = || {
+        line_iter.next().ok_or(Error::from_str("Unexpected end of file"))
+    };
+    let (mut section, line) = read_section(line, &mut next_line_closure)?;
 
     println!("Section: {} @{:?} {:?}", section.name, section.adr, section.size);
-    Ok(())
+    process_subsection(&mut section, line, &mut next_line_closure)
 }
 
-fn read_section<F:FnMut()-> Result<String, Error>>(mut line: String, mut next_line: F) -> Result<(Section, Option<String>), Error> {
+fn process_subsection<F:FnMut()-> Result<String, Error>>(_section: &mut Section, line: Option<String>, next_line: &mut F) -> Result<String, Error> {
+    let mut line = {
+        if let Some(line) = line {
+            line
+        }
+
+        else {
+            next_line()?
+        }
+    };
+
+    loop {
+        if line.starts_with(" .") {
+            println!(">>> SubSection: {}", line);
+        }
+
+        else if line.is_empty() {
+            return Ok(line);
+        }
+
+        line = {
+            if let Ok(line) = next_line() {
+                line
+            }
+
+            else {
+                // EOF
+                return Ok(String::from(""));
+            }
+        };
+    }
+}
+
+fn read_section<F:FnMut()-> Result<String, Error>>(mut line: String, next_line: &mut F) -> Result<(Section, Option<String>), Error> {
     let mut split_line = line.split_whitespace();
-    let name           = split_line.next().ok_or(Error::from_str(""))?.to_string();
+    let name           = split_line.next().ok_or(Error::from_str("Couldn't locate section name"))?.to_string();
     let need_new_line  = name.chars().count() > 16;
 
     if need_new_line {