Added documentation for paragraph

src/lib.rs

@@ -3,7 +3,6 @@ use paste::paste;
 use proc_macro::TokenStream;
 use quote::quote;
 use syn::parse::{Parse, ParseStream, Result};
-use syn::punctuated::Punctuated;
 use syn::{Expr, Ident, Token, parse_macro_input};
 
 macro_rules! generate_headings {
@@ -54,25 +53,69 @@ impl Parse for Argument {
 }
 
 struct BaseElement {
-    value: Expr,
-    params: Punctuated<Property, Token![,]>,
+    values: Vec<Expr>,
+    params: Vec<Property>,
 }
 
 impl Parse for BaseElement {
     fn parse(input: ParseStream) -> Result<Self> {
+        let mut values = Vec::new();
+        let mut params = Vec::new();
+        while !input.is_empty() {
+            if input.peek(Ident) && input.peek2(Token![=]) {
+                let property: Property = input.parse()?;
+                params.push(property);
+            } else {
                 let value: Expr = input.parse()?;
-        let _ = input.parse::<Token![,]>();
-        let params: Punctuated<Property, Token![,]> = Punctuated::parse_terminated(input)?;
-        Ok(BaseElement { value, params })
+                values.push(value);
+            }
+            if input.peek(Token![,]) {
+                input.parse::<Token![,]>()?;
+            }
+        }
+        Ok(BaseElement { values, params })
     }
 }
 
-fn heading(level: &str, item: TokenStream) -> TokenStream {
-    let BaseElement { value, params } = parse_macro_input!(item as BaseElement);
+/// # HTML Paragraph element
+/// # Usage:
+/// ```rust
+/// use web_macro::paragraph;
+/// let single_line = paragraph!("This is my lovely text to be displayed", id="title", class="small blue");
+/// let multi_line = paragraph!(
+///     "This is my lovely text to be displayed",
+///     "This is another line that constitutes my paragraph",
+///     id="title",
+///     class="small blue"
+/// );
+/// ```
+/// # Notes:
+/// - This element supports child insertions, see usage.
+/// - Adding multiple children will **not** insert _\<br\>_
+#[proc_macro]
+pub fn paragraph(input: TokenStream) -> TokenStream {
+    base("p", input)
+}
+
+#[proc_macro]
+pub fn division(input: TokenStream) -> TokenStream {
+    base("div", input)
+}
+
+fn base(elem: &str, item: TokenStream) -> TokenStream {
+    let BaseElement { values, params } = parse_macro_input!(item as BaseElement);
+    let values = values.iter();
+    let formated_values = if values.len() > 1 {
+        let mut s = "\n".to_string();
+        s.push_str("{}\n".repeat(values.len()).as_str());
+        s
+    } else {
+        "{}".to_string()
+    };
 
     let expanded = match params.is_empty() {
         false => {
-            let mut values = Vec::new();
+            let mut options_values = Vec::new();
 
             let formated_names = params
                 .iter()
@@ -80,18 +123,23 @@ fn heading(level: &str, item: TokenStream) -> TokenStream {
                 .collect::<Vec<String>>()
                 .join(" ");
 
-            let format_string = format!("<h{} {formated_names}>{{}}</h{}>", level, level);
+            let format_string =
+                format!("<{} {formated_names}>{}</{}>", elem, formated_values, elem);
 
             for property in params {
-                values.push(property.value);
+                options_values.push(property.value);
             }
 
-            quote!(format!(#format_string, #(#values), *, #value))
+            quote!(format!(#format_string, #(#options_values), *, #(#values), *))
         }
         true => {
-            let format_string = format!("<h{}>{{}}</h{}>", level, level);
-            quote!(format!(#format_string, #value))
+            let format_string = format!("<{}>{}</{}>", elem, formated_values, elem);
+            quote!(format!(#format_string, #(#values), *))
         }
     };
     TokenStream::from(expanded)
 }
+
+fn heading(level: &str, item: TokenStream) -> TokenStream {
+    base(format!("h{level}").as_str(), item)
+}

tests/tests_divisions.rs

@@ -0,0 +1,29 @@
+#[cfg(test)]
+mod tests {
+    use web_macro::{division, heading1};
+
+    #[test]
+    fn test_base() {
+        assert_eq!("<div>test</div>", division!("test"))
+    }
+
+    #[test]
+    fn test_multiple_elements() {
+        assert_eq!(
+            "<div>\n<h1>one</h1>\n<h1>two</h1>\n</div>",
+            division!(heading1!("one"), heading1!("two"))
+        )
+    }
+
+    #[test]
+    fn test_multiple_elements_with_options() {
+        assert_eq!(
+            "<div id=\"division_id\">\n<h1>one</h1>\n<h1 class=\"tiny\">two</h1>\n</div>",
+            division!(
+                heading1!("one"),
+                heading1!("two", class = "tiny"),
+                id = "division_id"
+            )
+        )
+    }
+}

tests/tests_paragraphs.rs

@@ -0,0 +1,13 @@
+#[cfg(test)]
+mod tests {
+    use web_macro::paragraph;
+    #[test]
+    fn test_base() {
+        assert_eq!("<p>test</p>", paragraph!("test"))
+    }
+
+    #[test]
+    fn test_params() {
+        assert_eq!("<p id=\"oui\">test</p>", paragraph!("test", id = "oui"))
+    }
+}