From a0e8f6962478913ebebac34769af081374742219 Mon Sep 17 00:00:00 2001
From: Ryan Kavanagh <rak@rak.ac>
Date: Sun, 7 Jun 2020 20:27:11 -0400
Subject: Add support for quoted lines

---
 gemini/mimeTextGemini.ml | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'gemini/mimeTextGemini.ml')

diff --git a/gemini/mimeTextGemini.ml b/gemini/mimeTextGemini.ml
index 2f4d5ca..ca4cd32 100644
--- a/gemini/mimeTextGemini.ml
+++ b/gemini/mimeTextGemini.ml
@@ -16,6 +16,7 @@ sig
     | Pre of string                    (* preformatted text line *)
     | Text of string                   (* plain text line *)
     | Ul of string                     (* unordered list item *)
+    | Quoted of string                 (* quoted text *)
 
   type gemini = gemini_line list
 
@@ -39,6 +40,8 @@ sig
 
   val str_to_list_line : string -> gemini_line
 
+  val str_to_quoted_line : string -> gemini_line
+
   val str_to_gemini : string -> gemini
 end
 
@@ -57,6 +60,7 @@ struct
     | Pre of string
     | Text of string
     | Ul of string
+    | Quoted of string
 
   type gemini = gemini_line list
 
@@ -69,6 +73,7 @@ struct
     | Pre s -> "Pre " ^ s
     | Text s -> "Text " ^ s
     | Ul s -> "Ul " ^ s
+    | Quoted s -> "Quoted " ^ s
 
   let gemini_line_to_canon_str = function
     | H1 s -> "# " ^ s
@@ -79,6 +84,7 @@ struct
     | Pre s -> s
     | Text s -> s
     | Ul s -> "* " ^ s
+    | Quoted s -> ">" ^ s
 
   let gemini_to_str g =
     List.fold_right (fun l -> fun r -> (gemini_line_to_str l) ^ "\n" ^ r) g ""
@@ -131,6 +137,7 @@ struct
     peek_char >>= function
     | Some '#' -> fail "text line cannot start with #"
     | Some '*' -> fail "text line cannot start with *"
+    | Some '>' -> fail "text line cannot start with >"
     | Some '`' -> (peek_string 3 >>= function
       | "```" -> fail "text line cannot start with ```"
       | _ -> take_line)
@@ -161,6 +168,11 @@ struct
 
   let str_to_list_line = parse_string list_item_parser
 
+  let quoted_parser =
+    lift (fun x -> Ul x) (string ">" *> skip_spaces *> take_till_cr)
+
+  let str_to_quoted_line = parse_string quoted_parser
+
   let gemini : gemini_line list Angstrom.t =
     (* Because many tries each in order, we know that we will have a
        plain text line whenever we get to the text parser. As a result,
@@ -173,6 +185,7 @@ struct
         <|> lift2 List.cons (header_parser
                              <|> link_parser
                              <|> list_item_parser
+                             <|> quoted_parser
                              <|> plain_text_parser) gemini
         <|> return [])
     <?> "gemini"
-- 
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