added html generation

src/ast.rs

@@ -1,21 +1,4 @@
-// Grammar rules:
-//
-// Markdown     ::= Block Markdown | Block
-//
-// Block        ::= (Heading | CodeBlock | Quote | Paragraph) "\n\n"
-// Heading      ::= "#{1,6}\s" Inline
-// CodeBlock    ::= "```.*\n" "(.*?\n)*" "```"
-// Quote        ::= ">" Block
-// Paragraph    ::= Inline
-//
-// Inline       ::= InlineElem Inline | InlineElem
-// InlineElem   ::= Bold | Italic | Code | Link | Text
-// Bold         ::= "\*" Inline "\*"
-// Italic       ::= "_" Inline "_"
-// Code         ::= "`" "[.^`]*" "`"
-// Link         ::= "\[" Inline "\]\(" Href "\)"
-// Href         ::= "[.^\)]*"
-// Text         ::= "[.^`*_\[]*"
+use std::fmt::Display;
 
 #[derive(Debug, PartialEq)]
 pub enum Inline {
@@ -36,34 +19,16 @@ impl Href {
     }
 }
 
-/*
-pub struct Markdown {
-    block: Block,
-    rest: Option<Box<Markdown>>,
+impl Display for Href {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}", self.0)
+    }
 }
 
+#[derive(Debug, PartialEq)]
 pub enum Block {
-    Heading(HeadingBlock),
-    Code(CodeBlock),
-    Quote(QuoteBlock),
-    Paragraph(ParagraphBlock),
+    Heading { inner: Vec<Inline>, level: u8 },
+    Code { content: String, lang: String },
+    Quote { inner: Box<Block> },
+    Paragraph { inner: Vec<Inline> },
 }
-
-pub struct HeadingBlock {
-    level: u8,
-    content: Inline,
-}
-
-pub struct CodeBlock {
-    lang: String,
-    content: String,
-}
-
-pub struct QuoteBlock {
-    content: Box<Block>,
-}
-
-pub struct ParagraphBlock {
-    content: String,
-}
-*/