added html generation

src/parser/mod.rs

@@ -1,3 +1,32 @@
-pub mod inline;
-pub mod block;
+use std::fmt::{Debug, Display};
 
+pub mod block;
+pub mod inline;
+
+#[derive(Debug)]
+pub struct MarkdownParseError {
+    kind: nom::error::ErrorKind,
+    message: String,
+}
+
+impl Display for MarkdownParseError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{:?}, {}", self.kind, self.message)
+    }
+}
+
+impl nom::error::ParseError<&str> for MarkdownParseError {
+    fn from_error_kind(input: &str, kind: nom::error::ErrorKind) -> Self {
+        Self {
+            kind,
+            message: format!("at: {}", input),
+        }
+    }
+
+    fn append(input: &str, kind: nom::error::ErrorKind, other: Self) -> Self {
+        Self {
+            kind,
+            message: format!("{}\nat: {}", other, input),
+        }
+    }
+}