Can now handle meta data json at the start but not on each slide. Coming soon.

md_parser.cpp

@@ -4,94 +4,100 @@
 #include <iostream>
 
 
-#line 40 "md_parser.rl"
+#line 45 "md_parser.rl"
 
 
 
 #line 7 "md_parser.cpp"
 static const char _Parser_actions[] = {
 	0, 1, 0, 1, 1, 1, 2, 1, 
-	3, 1, 4, 1, 5, 1, 6, 2, 
-	1, 3, 2, 2, 3, 2, 3, 2, 
-	2, 5, 0
+	3, 1, 4, 1, 5, 1, 6, 1, 
+	7, 2, 1, 3, 2, 2, 3, 2, 
+	3, 2, 2, 6, 0
 };
 
 static const char _Parser_key_offsets[] = {
-	0, 0, 1, 2, 3, 4, 8, 10, 
-	14, 19, 24, 31, 36, 41, 48, 53, 
-	55, 57, 62, 64, 65, 70, 75
+	0, 0, 1, 1, 2, 3, 4, 5, 
+	6, 7, 11, 13, 17, 22, 27, 34, 
+	39, 44, 51, 56, 58, 60, 65, 67, 
+	68, 73, 78
 };
 
 static const char _Parser_trans_keys[] = {
-	61, 61, 61, 10, 10, 35, 42, 45, 
-	10, 45, 10, 35, 42, 45, 10, 32, 
+	123, 125, 10, 61, 61, 61, 10, 10, 
+	35, 42, 45, 10, 45, 10, 35, 42, 
+	45, 10, 32, 45, 9, 13, 10, 32, 
+	45, 9, 13, 10, 32, 35, 42, 45, 
+	9, 13, 10, 32, 45, 9, 13, 10, 
+	32, 45, 9, 13, 10, 32, 35, 42, 
 	45, 9, 13, 10, 32, 45, 9, 13, 
-	10, 32, 35, 42, 45, 9, 13, 10, 
-	32, 45, 9, 13, 10, 32, 45, 9, 
-	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
+	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, 2, 4, 
-	3, 3, 5, 3, 3, 5, 3, 2, 
-	2, 3, 2, 1, 3, 3, 4
+	0, 1, 0, 1, 1, 1, 1, 1, 
+	1, 4, 2, 4, 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, 0, 0, 0, 
-	1, 1, 1, 1, 1, 1, 1, 0, 
-	0, 1, 0, 0, 1, 1, 0
+	0, 0, 0, 0, 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, 13, 16, 
-	21, 26, 31, 38, 43, 48, 55, 60, 
-	63, 66, 71, 74, 76, 81, 86
+	0, 0, 2, 3, 5, 7, 9, 11, 
+	13, 15, 20, 23, 28, 33, 38, 45, 
+	50, 55, 62, 67, 70, 73, 78, 81, 
+	83, 88, 93
 };
 
 static const char _Parser_indicies[] = {
-	0, 1, 2, 1, 3, 1, 4, 1, 
-	6, 7, 8, 9, 5, 11, 12, 10, 
-	14, 15, 16, 17, 13, 19, 18, 12, 
-	18, 10, 21, 20, 22, 20, 13, 23, 
-	20, 15, 24, 25, 20, 13, 27, 26, 
-	12, 26, 10, 29, 28, 22, 28, 13, 
-	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
+	0, 1, 2, 3, 2, 4, 1, 5, 
+	1, 6, 1, 7, 1, 8, 1, 10, 
+	11, 12, 13, 9, 15, 16, 14, 18, 
+	19, 20, 21, 17, 23, 22, 16, 22, 
+	14, 25, 24, 26, 24, 17, 27, 24, 
+	19, 28, 29, 24, 17, 31, 30, 16, 
+	30, 14, 33, 32, 26, 32, 17, 34, 
+	32, 19, 20, 21, 32, 17, 35, 30, 
+	16, 30, 14, 15, 36, 14, 15, 1, 
+	14, 35, 30, 37, 30, 14, 15, 38, 
+	14, 39, 1, 35, 30, 36, 30, 14, 
+	31, 30, 37, 30, 14, 10, 11, 12, 
+	13, 9, 0
 };
 
 static const char _Parser_trans_targs[] = {
 	2, 0, 3, 4, 5, 6, 7, 8, 
-	14, 20, 6, 7, 15, 6, 7, 8, 
-	14, 17, 9, 10, 9, 10, 15, 10, 
-	11, 21, 12, 13, 12, 13, 13, 13, 
-	16, 18, 19, 22
+	9, 10, 11, 12, 18, 24, 10, 11, 
+	19, 10, 11, 12, 18, 21, 13, 14, 
+	13, 14, 19, 14, 15, 25, 16, 17, 
+	16, 17, 17, 17, 20, 22, 23, 26
 };
 
 static const char _Parser_trans_actions[] = {
-	0, 0, 0, 0, 9, 24, 11, 24, 
-	24, 24, 0, 7, 0, 1, 0, 1, 
-	1, 1, 3, 15, 1, 7, 1, 0, 
-	1, 1, 5, 21, 1, 7, 0, 18, 
-	0, 0, 0, 13
+	1, 0, 0, 0, 9, 0, 0, 0, 
+	11, 26, 13, 26, 26, 26, 0, 7, 
+	0, 1, 0, 1, 1, 1, 3, 17, 
+	1, 7, 1, 0, 1, 1, 5, 23, 
+	1, 7, 0, 20, 0, 0, 0, 15
 };
 
 static const int Parser_start = 1;
-static const int Parser_first_final = 22;
+static const int Parser_first_final = 26;
 static const int Parser_error = 0;
 
 static const int Parser_en_main = 1;
 
 
-#line 43 "md_parser.rl"
+#line 48 "md_parser.rl"
 
 
 bool Parser::parse(const std::string& input) {
@@ -104,14 +110,14 @@ bool Parser::parse(const std::string& input) {
   std::string tk;
 
   
-#line 99 "md_parser.cpp"
+#line 105 "md_parser.cpp"
 	{
 	cs = Parser_start;
 	}
 
-#line 55 "md_parser.rl"
+#line 60 "md_parser.rl"
   
-#line 102 "md_parser.cpp"
+#line 108 "md_parser.cpp"
 	{
 	int _klen;
 	unsigned int _trans;
@@ -206,17 +212,24 @@ _match:
 	break;
 	case 4:
 #line 19 "md_parser.rl"
-	{ fmt::println("----- START"); }
+	{
+    tk = input.substr(start - begin, p - start);
+    std::cout << "META:" << std::quoted(tk) << '\n';
+  }
 	break;
 	case 5:
-#line 21 "md_parser.rl"
-	{ fmt::println(">> START SLIDE"); }
+#line 23 "md_parser.rl"
+	{ fmt::println("----- START"); }
 	break;
 	case 6:
-#line 22 "md_parser.rl"
+#line 25 "md_parser.rl"
+	{ fmt::println(">> START SLIDE"); }
+	break;
+	case 7:
+#line 26 "md_parser.rl"
 	{ fmt::println("<< END SLIDE"); }
 	break;
-#line 199 "md_parser.cpp"
+#line 211 "md_parser.cpp"
 		}
 	}
 
@@ -229,7 +242,7 @@ _again:
 	_out: {}
 	}
 
-#line 56 "md_parser.rl"
+#line 61 "md_parser.rl"
 
   bool good = pe - p == 0;
 

md_parser.rl

@@ -16,6 +16,10 @@
     tk = input.substr(start - begin, fpc - start);
     std::cout << "CONTENT:" << std::quoted(tk) << '\n';
   }
+  action meta {
+    tk = input.substr(start - begin, fpc - start);
+    std::cout << "META:" << std::quoted(tk) << '\n';
+  }
   action start { fmt::println("----- START"); }
   action plain { fmt::println("PLAIN"); }
   action start_slide { fmt::println(">> START SLIDE"); }
@@ -27,8 +31,9 @@
   pound = '#' %title;
   asterisk = '*' %enum;
   dash = '-' %enum;
-  content = (any+ -- (eol|end)) >mark %content;
 
+  meta = ('{' ( any+) :>> '}') >mark %meta;
+  content = (any+ -- (eol|end)) >mark %content;
   title = pound space+ content eol;
   enum = (asterisk | dash) space+ content eol;
   line = content :>> eol;
@@ -36,7 +41,7 @@
 
   slide = (title | enum | line | blank)+ >start_slide end eol;
 
-  main := start eol (slide)+;
+  main := meta eol start eol (slide)+;
 }%%
 
 %% write data;

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

@@ -1,9 +1,14 @@
+{
+  "title": "Test",
+  "description": "Test"
+}
 ===
 # 1: A Good First Program
 
 * The key is this
 * That's what we want
 ---
+{"bg_color": [255, 0, 0, 255]}
 # What You Should See
 
 Yes, but with more feeling.