feat: formatter

TODO: fix tags with optional body formatter

examples/bench.rs

@@ -1,6 +1,6 @@
 use dalet::{
     daletpack::*,
-    typed::{Hl, TNArg, Tag::*},
+    typed::{Hl, TNullArg, Tag::*},
 };
 use flate2::Compression;
 use std::io::Write;
@@ -41,7 +41,7 @@ fn main() {
         ]
         .into()),
         Br,
-        Code("Hello world".into(), TNArg::Null),
+        Code("Hello world".into(), TNullArg::Null),
         Br,
         Ul(vec![
             El("abc".into()),

examples/daleth.dlth

@@ -5,7 +5,8 @@
 # {~n text} - n is number of minimum spaces to add after trimming with indent
 # for each line
 #
-# {# text} - input not modified
+# {#text} - input not modified
+#
 #
 # tag syntax
 #
@@ -19,6 +20,13 @@
 # tag argument
 #
 # Tags without body and argument also supported
+#
+#
+# custom no tag syntax
+#
+# {-text} - paragraph, text indent is trimmed
+# [[tags]] - element tag with body of multiple tags
+# text - element tag with text body
 
 meta "title": Daleth syntax concept
 meta "description": This document describes Daleth syntax and some tags
@@ -27,19 +35,19 @@ h1: TxtDot revolution
 p: TxtDot is a cool project
 
 # If no tag is specified, then the 'el' tag is placed
+
 This is element
 br
 
-# if no tag is specified but a '{}' is present, then the 'p' tag is placed
-# '\n' is deleted only in this format. If a break line is needed in a paragraph, use '  \n'.
-{
+# if no tag is specified but a '{- text}' is present, then the 'p' tag is placed
+# '\n' is deleted in this format. If a break line is needed in a paragraph, use '  \n'.
+{-
   Check Dalet too
   This is one paragraph
 }
 
-{ This is another paragraph }
+{- This is another paragraph ({- text\}) }
 
-# ( ) for argument
 row "center" [
   link "https://github.com/txtdot/txtdot": Homepage
   btn "https://example.com/donate" [
@@ -51,7 +59,9 @@ row "center" [
 
 # [] for multiple tags
 row [
-  [
+  # if no tag is specified but a '[[]]' is present, then the 'el' tag
+  # with multiple tags body placed
+  [[
     h2: Features
 
     ul [
@@ -65,13 +75,12 @@ row [
       Some kind of Material Design 3
       Customization with plugins, see @txtdot/sdk and @txtdot/plugins
     ]
+  ]]
 
-  ]
-
-  [
+  [[
     h2: Running
 
-    [
+    [[
       h3: Dev
 
       # {} for multiline strings, indent is automatically trimmed
@@ -87,25 +96,23 @@ row [
 
       # {# Text} Text after "`# " not modified
       code "markdown" {#     this is codeblock}
-    ]
+    ]]
 
-    [
+    [[
       h3: Production
-
       code {
         npm install
         npm run build
         npm run start
       }
-    ]
+    ]]
 
-    [
+    [[
       h3: Docker
-
       code: docker compose up -d
-    ]
+    ]]
 
-  ]
+  ]]
 ]
 
 # Table has custom format if text used

examples/daleth_lexer.rs

@@ -1,6 +1,6 @@
 use ariadne::{Color, Label, Report, ReportKind, Source};
 use chumsky::Parser;
-use dalet::daleth::lexer::lexer;
+use dalet::daleth::{format::format, lexer::lexer};
 
 fn main() {
     let src_file = "daleth.dlth";
@@ -9,7 +9,10 @@ fn main() {
     let parsed = lexer().parse(src);
 
     match parsed.into_result() {
-        Ok(t) => println!("{:#?}", t),
+        Ok(t) => {
+            println!("{:#?}", t);
+            println!("{}", format(&t));
+        }
         Err(e) => e.into_iter().for_each(|e| {
             Report::build(ReportKind::Error, src_file, e.span().start)
                 .with_code("Compiler")
@@ -23,5 +26,5 @@ fn main() {
                 .print((src_file, Source::from(&src)))
                 .unwrap()
         }),
-    }
+    };
 }