parses the most basic example

src/parser/parser.rs

@@ -51,18 +51,34 @@ pub fn hex_color(input: &str) -> IResult<&str, Color> {
     Ok((input, Color { red, green, blue }))
 }
 
-pub fn elem_tag(input: &str) -> IResult<&str, &str> {
+pub fn scope<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, &'a str> {
+
+    let (input, _) = delimited(opt(sp), delimited(char('{'), is_not("}"), char('}')), opt(sp))(input)?;
+    //let (input, _) = delimited(char('{'), is_not("}"), char('}'))(input)?;
 
-    let (input, _) = delimited(opt(sp), tag("elem"), sp)(input)?;
     Ok((input, input))
 }
 
+pub fn elem<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, &'a str> {
+
+    let (input, _) = delimited(opt(sp), tag("elem"), sp)(input)?;
+
+    let (input, elem_name) = parse_str(input)?;
+
+    let (input, _) = scope::<'a, E>(input)?;
+
+    println!("elem , name : {:?} || scope : {:?}", elem_name, input);
+
+    Ok((input, elem_name))
+
+}
+
 fn parse_str<'a, E: ParseError<&'a str>>(i: &'a str) -> IResult<&'a str, &'a str, E> {
     let chars = "\n";
-
     escaped(alphanumeric, '\\', one_of(""))(i)
 }
 
+// Parse from a # to a newline character
 pub fn comment<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, &'a str, E> {
 
     let v = preceded(char('#'),
@@ -72,14 +88,12 @@ pub fn comment<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, &
                      )),
     )(input)?;
 
-    println!("{:?}", v);
+    println!("comment : # {:?}", v.1);
 
     Ok((v.0, v.0))
 }
 
-fn curlies(input: &str) -> IResult<&str, &str> {
+
-    delimited(char('{'), is_not("}"), char('}'))(input)
-}
 
 /// parser combinators are constructed from the bottom up:
 /// first we write parsers for the smallest elements (here a space character),
@@ -93,27 +107,26 @@ fn sp<'a>(i: &'a str) -> IResult<&'a str, &'a str> {
 }
 
 pub fn parse_script<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a str, ScriptMeta, E> {
-    let x = delimited(
+
-        sp,
+
-        alt((map(comment, |s| ScriptMeta::Comment(String::from(s))),
+    println!("Full input string : {:?}\n", input);
-             map(elem_tag, |s| ScriptMeta::Element(String::from(s)))
+
-        )),
+    let mut remaining_str = input;
-        opt(sp),
+    while remaining_str.len() > 0 {
-    )(input);
+        println!("Remaining Length : {:?}", remaining_str.len());
-
+        println!("Remaining String: {:?}", remaining_str);
-    let x = x.unwrap().0;
+        let x = delimited(
-    println!("{:?}", x);
+            sp,
-
+            alt((map(comment, |s| ScriptMeta::Comment(String::from(s))),
-    let x = delimited(
+                 map(elem::<'a, E>, |s| ScriptMeta::Element(String::from(s)))
-        sp,
+            )),
-        alt((map(comment, |s| ScriptMeta::Comment(String::from(s))),
+            opt(sp),
-             map(elem_tag, |s| ScriptMeta::Element(String::from(s)))
+        )(remaining_str);
-        )),
+        remaining_str = x.unwrap().0;
-        opt(sp),
+    }
-    )(x);
+
-
+
-    let x = x.unwrap().0;
+    //println!("{:?}", x);
-    println!("{:?}", x);
     // if let Ok(v) = elem_tag(input) {
     //     println!("Found elem tag");
     //     if let Ok(v) = sp(v.0) {
@@ -129,7 +142,7 @@ pub fn parse_script<'a, E: ParseError<&'a str>>(input: &'a str) -> IResult<&'a s
     // }
 
 
-    return Ok((x, ScriptMeta::Comment(String::default())));
+    return Ok((remaining_str, ScriptMeta::Comment(String::default())));
 }