After reading the manual some more I have a basic working parser, now to add the json metadata feature.

md_parser.cpp

@@ -4,76 +4,94 @@
 #include <iostream>
 
 
-#line 38 "md_parser.rl"
+#line 40 "md_parser.rl"
 
 
 
 #line 7 "md_parser.cpp"
 static const char _Parser_actions[] = {
-	0, 1, 0, 1, 3, 1, 4, 2, 
+	0, 1, 0, 1, 1, 1, 2, 1, 
-	0, 1, 2, 0, 2, 2, 1, 0, 
+	3, 1, 4, 1, 5, 1, 6, 2, 
-	2, 2, 0, 2, 3, 5
+	1, 3, 2, 2, 3, 2, 3, 2, 
+	2, 5, 0
 };
 
 static const char _Parser_key_offsets[] = {
-	0, 0, 1, 2, 3, 4, 10, 11, 
+	0, 0, 1, 2, 3, 4, 8, 10, 
-	18, 22, 29, 31, 33, 34
+	14, 19, 24, 31, 36, 41, 48, 53, 
+	55, 57, 62, 64, 65, 70, 75
 };
 
 static const char _Parser_trans_keys[] = {
-	61, 61, 61, 10, 10, 32, 35, 42, 
+	61, 61, 61, 10, 10, 35, 42, 45, 
-	9, 13, 10, 10, 32, 35, 42, 45, 
+	10, 45, 10, 35, 42, 45, 10, 32, 
-	9, 13, 10, 32, 9, 13, 10, 32, 
+	45, 9, 13, 10, 32, 45, 9, 13, 
-	35, 42, 45, 9, 13, 10, 45, 10, 
+	10, 32, 35, 42, 45, 9, 13, 10, 
-	45, 10, 10, 32, 35, 42, 45, 9, 
+	32, 45, 9, 13, 10, 32, 45, 9, 
-	13, 0
+	13, 10, 32, 35, 42, 45, 9, 13, 
+	10, 32, 45, 9, 13, 10, 45, 10, 
+	45, 10, 32, 45, 9, 13, 10, 45, 
+	10, 10, 32, 45, 9, 13, 10, 32, 
+	45, 9, 13, 10, 35, 42, 45, 0
 };
 
 static const char _Parser_single_lengths[] = {
-	0, 1, 1, 1, 1, 4, 1, 5, 
+	0, 1, 1, 1, 1, 4, 2, 4, 
-	2, 5, 2, 2, 1, 5
+	3, 3, 5, 3, 3, 5, 3, 2, 
+	2, 3, 2, 1, 3, 3, 4
 };
 
 static const char _Parser_range_lengths[] = {
-	0, 0, 0, 0, 0, 1, 0, 1, 
+	0, 0, 0, 0, 0, 0, 0, 0, 
-	1, 1, 0, 0, 0, 1
+	1, 1, 1, 1, 1, 1, 1, 0, 
+	0, 1, 0, 0, 1, 1, 0
 };
 
 static const char _Parser_index_offsets[] = {
-	0, 0, 2, 4, 6, 8, 14, 16, 
+	0, 0, 2, 4, 6, 8, 13, 16, 
-	23, 27, 34, 37, 40, 42
+	21, 26, 31, 38, 43, 48, 55, 60, 
+	63, 66, 71, 74, 76, 81, 86
 };
 
 static const char _Parser_indicies[] = {
 	0, 1, 2, 1, 3, 1, 4, 1, 
-	7, 6, 8, 9, 6, 5, 11, 10, 
+	6, 7, 8, 9, 5, 11, 12, 10, 
-	7, 6, 8, 9, 12, 6, 5, 13, 
+	14, 15, 16, 17, 13, 19, 18, 12, 
-	6, 6, 5, 7, 6, 14, 15, 12, 
+	18, 10, 21, 20, 22, 20, 13, 23, 
-	6, 5, 11, 16, 10, 11, 17, 10, 
+	20, 15, 24, 25, 20, 13, 27, 26, 
-	18, 10, 7, 6, 8, 9, 12, 6, 
+	12, 26, 10, 29, 28, 22, 28, 13, 
-	5, 0
+	30, 28, 15, 16, 17, 28, 13, 31, 
+	26, 12, 26, 10, 11, 32, 10, 11, 
+	1, 10, 31, 26, 33, 26, 10, 11, 
+	34, 10, 35, 1, 31, 26, 32, 26, 
+	10, 27, 26, 33, 26, 10, 6, 7, 
+	8, 9, 5, 0
 };
 
 static const char _Parser_trans_targs[] = {
-	2, 0, 3, 4, 5, 6, 8, 9, 
+	2, 0, 3, 4, 5, 6, 7, 8, 
-	8, 8, 6, 7, 10, 9, 8, 8, 
+	14, 20, 6, 7, 15, 6, 7, 8, 
-	11, 12, 13
+	14, 17, 9, 10, 9, 10, 15, 10, 
+	11, 21, 12, 13, 12, 13, 13, 13, 
+	16, 18, 19, 22
 };
 
 static const char _Parser_trans_actions[] = {
-	0, 0, 0, 0, 5, 1, 1, 0, 
+	0, 0, 0, 0, 9, 24, 11, 24, 
-	13, 16, 0, 3, 1, 3, 7, 10, 
+	24, 24, 0, 7, 0, 1, 0, 1, 
-	0, 0, 19
+	1, 1, 3, 15, 1, 7, 1, 0, 
+	1, 1, 5, 21, 1, 7, 0, 18, 
+	0, 0, 0, 13
 };
 
 static const int Parser_start = 1;
-static const int Parser_first_final = 13;
+static const int Parser_first_final = 22;
 static const int Parser_error = 0;
 
 static const int Parser_en_main = 1;
 
 
-#line 41 "md_parser.rl"
+#line 43 "md_parser.rl"
 
 
 bool Parser::parse(const std::string& input) {
@@ -86,14 +104,14 @@ bool Parser::parse(const std::string& input) {
   std::string tk;
 
   
-#line 81 "md_parser.cpp"
+#line 99 "md_parser.cpp"
 	{
 	cs = Parser_start;
 	}
 
-#line 53 "md_parser.rl"
+#line 55 "md_parser.rl"
   
-#line 84 "md_parser.cpp"
+#line 102 "md_parser.cpp"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -191,10 +209,14 @@ _match:
 	{ fmt::println("----- START"); }
 	break;
 	case 5:
-#line 20 "md_parser.rl"
+#line 21 "md_parser.rl"
-	{ fmt::println("END"); }
+	{ fmt::println(">> START SLIDE"); }
 	break;
-#line 178 "md_parser.cpp"
+	case 6:
+#line 22 "md_parser.rl"
+	{ fmt::println("<< END SLIDE"); }
+	break;
+#line 199 "md_parser.cpp"
 		}
 	}
 
@@ -207,7 +229,7 @@ _again:
 	_out: {}
 	}
 
-#line 54 "md_parser.rl"
+#line 56 "md_parser.rl"
 
   bool good = pe - p == 0;
 

md_parser.rl

@@ -17,24 +17,26 @@
     std::cout << "CONTENT:" << std::quoted(tk) << '\n';
   }
   action start { fmt::println("----- START"); }
-  action end { fmt::println("END"); }
   action plain { fmt::println("PLAIN"); }
+  action start_slide { fmt::println(">> START SLIDE"); }
+  action end_slide { fmt::println("<< END SLIDE"); }
 
-  eol = "\n";
+  eol = '\n';
-  start = "===" eol $start;
+  start = '===' %start;
-  end = "---" eol $end;
+  end = '---' %end_slide;
-  pound = "#" $title;
+  pound = '#' %title;
-  asterisk = "*" $enum;
+  asterisk = '*' %enum;
+  dash = '-' %enum;
   content = (any+ -- (eol|end)) >mark %content;
 
-  title = pound space* content  eol;
+  title = pound space+ content eol;
-  enum = asterisk space* content eol;
+  enum = (asterisk | dash) space+ content eol;
-  line = space* content eol;
+  line = content :>> eol;
   blank = space* eol;
 
-  slide = (title | enum | line | blank)+ end;
+  slide = (title | enum | line | blank)+ >start_slide end eol;
 
-  main := start (slide)+;
+  main := start eol (slide)+;
 }%%
 
 %% write data;

sample/01-a-good-first-program.md

@@ -14,8 +14,8 @@ Besos would be proud.
 ---
 # Common Student Questions
 
-* This again.
+- This again.
-* That too.
+- That too.
 ---
 # The Blue Plus