yaml doc headers, protect harvest

- protect harvest from missing doc header metadata
  - title & author required
- removed crude rgx yaml check
  (rely on yaml parser)

1 files changed, 2 insertions, 11 deletions

diff --git a/src/doc_reform/io_in/read_source_files.d b/src/doc_reform/io_in/read_source_files.d
index aeb2382..933868b 100644
--- a/src/doc_reform/io_in/read_source_files.d
+++ b/src/doc_reform/io_in/read_source_files.d
@@ -64,17 +64,13 @@ static template spineRawMarkupContent() {
         images_list = tu[2].dup;
       }
       string header_type = "";
-      if (header_raw.match(rgx.yaml_config)) {
-        header_type = "yaml";
-      }
       t = tuple(
         header_raw,
         sourcefile_body_content,
-        header_type,
         insert_file_list,
         images_list
       );
-      static assert(t.length==5);
+      static assert(t.length==4);
       return t;
     }
   }
@@ -82,7 +78,7 @@ static template spineRawMarkupContent() {
     import std.file;
     final private string readInMarkupSource(in char[] fn_src) {
       enforce(
-        exists(fn_src)!=0,
+        exists(fn_src) != 0,
         "file not found: «" ~
         fn_src ~ "»"
       );
@@ -138,14 +134,9 @@ static template spineRawMarkupContent() {
       char[] header = hc[0];
       char[] source_txt = hc[1];
       auto source_line_arr = markupSourceLineArray(source_txt);
-      string header_type = "";
-      if (header.match(rgx.yaml_config)) {
-        header_type = "yaml";
-      }
       auto t = tuple(
         header,
         source_line_arr,
-        header_type,
         file_insert_list,
         images_list
       );