(header, doc make, config) add checks to toml

1 files changed, 265 insertions, 101 deletions

diff --git a/org/meta_conf_make_meta.org b/org/meta_conf_make_meta.org
index c23d3aa..bd18695 100644
--- a/org/meta_conf_make_meta.org
+++ b/org/meta_conf_make_meta.org
@@ -458,41 +458,65 @@ static template contentJSONtoSiSUstruct() {
 #+BEGIN_SRC d
 /+ make ------------------------------------------------------------------- +/
 if ("make" in _json.object) {
-  if ("bold" in _json.object["make"]) {
-    _struct_composite.make_str.bold  = _json.object["make"]["bold"].str;
+  if ("bold" in _json.object["make"]
+    && (_json.object["make"]["bold"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.bold = _json.object["make"]["bold"].str;
   }
-  if ("breaks" in _json.object["make"]) {
-    _struct_composite.make_str.breaks  = _json.object["make"]["breaks"].str;
+  if ("breaks" in _json.object["make"]
+    && (_json.object["make"]["breaks"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.breaks = _json.object["make"]["breaks"].str;
   }
-  if ("cover_image" in _json.object["make"]) {
-    _struct_composite.make_str.cover_image  = _json.object["make"]["cover_image"].str;
+  if ("cover_image" in _json.object["make"]
+    && (_json.object["make"]["cover_image"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.cover_image = _json.object["make"]["cover_image"].str;
   }
-  if ("css" in _json.object["make"]) {
-    _struct_composite.make_str.css  = _json.object["make"]["css"].str;
+  if ("css" in _json.object["make"]
+    && (_json.object["make"]["css"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.css = _json.object["make"]["css"].str;
   }
-  if ("emphasis" in _json.object["make"]) {
-    _struct_composite.make_str.emphasis  = _json.object["make"]["emphasis"].str;
+  if ("emphasis" in _json.object["make"]
+    && (_json.object["make"]["emphasis"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.emphasis = _json.object["make"]["emphasis"].str;
   }
-  if ("footer" in _json.object["make"]) {
-    _struct_composite.make_str.footer  = _json.object["make"]["footer"].str;
+  if ("footer" in _json.object["make"]
+    && (_json.object["make"]["footer"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.footer = _json.object["make"]["footer"].str;
   }
-  if ("headings" in _json.object["make"]) {
-    _struct_composite.make_str.headings  = _json.object["make"]["headings"].str;
+  if ("headings" in _json.object["make"]
+    && (_json.object["make"]["headings"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.headings = _json.object["make"]["headings"].str;
   }
-  if ("home_button_image" in _json.object["make"]) {
-    _struct_composite.make_str.home_button_image  = _json.object["make"]["home_button_image"].str;
+  if ("home_button_image" in _json.object["make"]
+    && (_json.object["make"]["home_button_image"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.home_button_image = _json.object["make"]["home_button_image"].str;
   }
-  if ("home_button_text" in _json.object["make"]) {
-    _struct_composite.make_str.home_button_text  = _json.object["make"]["home_button_text"].str;
+  if ("home_button_text" in _json.object["make"]
+    && (_json.object["make"]["home_button_text"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.home_button_text = _json.object["make"]["home_button_text"].str;
   }
-  if ("italics" in _json.object["make"]) {
-    _struct_composite.make_str.italics  = _json.object["make"]["italics"].str;
+  if ("italics" in _json.object["make"]
+    && (_json.object["make"]["italics"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.italics = _json.object["make"]["italics"].str;
   }
-  if ("num_top" in _json.object["make"]) {
-    _struct_composite.make_str.num_top  = _json.object["make"]["num_top"].str;
+  if ("num_top" in _json.object["make"]
+    && (_json.object["make"]["num_top"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.num_top = _json.object["make"]["num_top"].str;
   }
-  if ("num_depth" in _json.object["make"]) {
-    _struct_composite.make_str.num_depth  = _json.object["num_depth"][""].str;
+  if ("num_depth" in _json.object["make"]
+    && (_json.object["make"]["num_depth"].type().to!string == "STRING")
+  ) {
+    _struct_composite.make_str.num_depth = _json.object["num_depth"][""].str;
   }
   if ("substitute" in _json.object["make"]) {
     string[][] _sub;
@@ -518,7 +542,9 @@ if ("make" in _json.object) {
     // writeln(_sub);
     _struct_composite.make_str.substitute  = _sub;
   }
-  if ("texpdf_font" in _json.object["make"]) {
+  if ("texpdf_font" in _json.object["make"]
+    && (_json.object["make"]["texpdf_font"].type().to!string == "STRING")
+  ) {
     _struct_composite.make_str.texpdf_font  = _json.object["make"]["texpdf_font"].str;
   }
   _struct_composite.make.bold_rgxmatch                  = _mk.bold_rgxmatch(_struct_composite.make_str.bold);
@@ -544,105 +570,167 @@ if ("make" in _json.object) {
 #+BEGIN_SRC d
 /+ conf ------------------------------------------------------------------- +/
 if ("webserv" in _json.object) {
-  if ("url_root" in _json.object["webserv"]) {
+  if ("url_root" in _json.object["webserv"]
+    && (_json.object["webserv"]["url_root"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_url_root = _json.object["webserv"]["url_root"].str;
   }
-  if ("path" in _json.object["webserv"]) {
+  if ("path" in _json.object["webserv"]
+    && (_json.object["webserv"]["path"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_path = _json.object["webserv"]["path"].str;
   }
-  if ("images" in _json.object["webserv"]) {
+  if ("images" in _json.object["webserv"]
+    && (_json.object["webserv"]["images"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_images = _json.object["webserv"]["images"].str;
   }
-  if ("cgi" in _json.object["webserv"]) {
+  if ("cgi" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi = _json.object["webserv"]["cgi"].str;
   }
-  if ("cgi_host" in _json.object["webserv"]) {
+  if ("cgi_host" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi_host"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi_host = _json.object["webserv"]["cgi_host"].str;
   }
-  if ("cgi_host_path" in _json.object["webserv"]) {
+  if ("cgi_host_path" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi_host_path"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi_host_path = _json.object["webserv"]["cgi_host_path"].str;
   }
-  if ("cgi_port" in _json.object["webserv"]) {
+  if ("cgi_port" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi_port"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi_port = _json.object["webserv"]["cgi_port"].str;
   }
-  if ("cgi_user" in _json.object["webserv"]) {
+  if ("cgi_user" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi_user"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi_user = _json.object["webserv"]["cgi_user"].str;
   }
-  if ("cgi_file_links" in _json.object["webserv"]) {
+  if ("cgi_file_links" in _json.object["webserv"]
+    && (_json.object["webserv"]["cgi_file_links"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.webserv_cgi_file_links = _json.object["webserv"]["cgi_file_links"].str;
   }
 }
 if ("processing" in _json.object) { // TODO check & match logic with sdlang
-  if ("path" in _json.object["processing"]) {
+  if ("path" in _json.object["processing"]
+    && (_json.object["processing"]["path"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.processing_path = _json.object["processing"]["path"].str;
   }
-  if ("dir" in _json.object["processing"]) {
+  if ("dir" in _json.object["processing"]
+    && (_json.object["processing"]["dir"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.processing_dir = _json.object["processing"]["dir"].str;
   }
-  if ("concord_max" in _json.object["processing"]) {
+  if ("concord_max" in _json.object["processing"]
+    && (_json.object["processing"]["concord_max"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.processing_concord_max = _json.object["processing"]["concord_max"].str;
   }
 }
 if ("flag" in _json.object) {
-  if ("act0" in _json.object["flag"]) {
+  if ("act0" in _json.object["flag"]
+    && (_json.object["flag"]["act0"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act0 = _json.object["flag"]["act0"].str;
   }
-  if ("act1" in _json.object["flag"]) {
+  if ("act1" in _json.object["flag"]
+    && (_json.object["flag"]["act1"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act1 = _json.object["flag"]["act1"].str;
   }
-  if ("act2" in _json.object["flag"]) {
+  if ("act2" in _json.object["flag"]
+    && (_json.object["flag"]["act2"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act2 = _json.object["flag"]["act2"].str;
   }
-  if ("act3" in _json.object["flag"]) {
+  if ("act3" in _json.object["flag"]
+    && (_json.object["flag"]["act3"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act3 = _json.object["flag"]["act3"].str;
   }
-  if ("act4" in _json.object["flag"]) {
+  if ("act4" in _json.object["flag"]
+    && (_json.object["flag"]["act4"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act4 = _json.object["flag"]["act4"].str;
   }
-  if ("act5" in _json.object["flag"]) {
+  if ("act5" in _json.object["flag"]
+    && (_json.object["flag"]["act5"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act5 = _json.object["flag"]["act5"].str;
   }
-  if ("act6" in _json.object["flag"]) {
+  if ("act6" in _json.object["flag"]
+    && (_json.object["flag"]["act6"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act6 = _json.object["flag"]["act6"].str;
   }
-  if ("act7" in _json.object["flag"]) {
+  if ("act7" in _json.object["flag"]
+    && (_json.object["flag"]["act7"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act7 = _json.object["flag"]["act7"].str;
   }
-  if ("act8" in _json.object["flag"]) {
+  if ("act8" in _json.object["flag"]
+    && (_json.object["flag"]["act8"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act8 = _json.object["flag"]["act8"].str;
   }
-  if ("act9" in _json.object["flag"]) {
+  if ("act9" in _json.object["flag"]
+    && (_json.object["flag"]["act9"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.flag_act9 = _json.object["flag"]["act9"].str;
   }
 }
 if ("default" in _json.object) {
-  if ("papersize" in _json.object["default"]) {
+  if ("papersize" in _json.object["default"]
+    && (_json.object["default"]["papersize"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.default_papersize = _json.object["default"]["papersize"].str;
   }
-  if ("text_wrap" in _json.object["default"]) {
+  if ("text_wrap" in _json.object["default"]
+    && (_json.object["default"]["text_wrap"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.default_text_wrap = _json.object["default"]["text_wrap"].str;
   }
-  if ("emphasis" in _json.object["default"]) {
+  if ("emphasis" in _json.object["default"]
+    && (_json.object["default"]["emphasis"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.default_emphasis = _json.object["default"]["emphasis"].str;
   }
-  if ("language" in _json.object["default"]) {
+  if ("language" in _json.object["default"]
+    && (_json.object["default"]["language"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.default_language = _json.object["default"]["language"].str;
   }
-  if ("digest" in _json.object["default"]) {
+  if ("digest" in _json.object["default"]
+    && (_json.object["default"]["digest"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.default_digest = _json.object["default"]["digest"].str;
   }
 }
 if ("search" in _json.object) {
-  if ("flag" in _json.object["search"]) {
+  if ("flag" in _json.object["search"]
+    && (_json.object["search"]["flag"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.search_flag = _json.object["search"]["flag"].str;
   }
-  if ("action" in _json.object["search"]) {
+  if ("action" in _json.object["search"]
+    && (_json.object["search"]["action"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.search_action = _json.object["search"]["action"].str;
   }
-  if ("db" in _json.object["search"]) {
+  if ("db" in _json.object["search"]
+    && (_json.object["search"]["db"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.search_db = _json.object["search"]["db"].str;
   }
-  if ("title" in _json.object["search"]) {
+  if ("title" in _json.object["search"]
+    && (_json.object["search"]["title"].type().to!string == "STRING")
+  ) {
     _struct_composite.conf.search_title = _json.object["search"]["title"].str;
   }
 }
@@ -654,42 +742,66 @@ if ("search" in _json.object) {
 #+BEGIN_SRC d
 /+ meta ------------------------------------------------------------------- +/
 if ("classify" in _json.object) {
-  if ("dewey" in _json.object["classify"]) {
+  if ("dewey" in _json.object["classify"]
+    && (_json.object["classify"]["dewey"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.classify_dewey = _json.object["classify"]["dewey"].str;
   }
-  if ("keywords" in _json.object["classify"]) {
+  if ("keywords" in _json.object["classify"]
+    && (_json.object["classify"]["keywords"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.classify_keywords = _json.object["classify"]["keywords"].str;
   }
-  if ("loc" in _json.object["classify"]) {
+  if ("loc" in _json.object["classify"]
+    && (_json.object["classify"]["loc"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.classify_loc = _json.object["classify"]["loc"].str;
   }
-  if ("subject" in _json.object["classify"]) {
+  if ("subject" in _json.object["classify"]
+    && (_json.object["classify"]["subject"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.classify_subject = _json.object["classify"]["subject"].str;
   }
-  if ("topic_register" in _json.object["classify"]) {
+  if ("topic_register" in _json.object["classify"]
+    && (_json.object["classify"]["topic_register"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.classify_topic_register = _json.object["classify"]["topic_register"].str;
   }
 }
 if ("date" in _json.object) {
-  if ("added_to_site" in _json.object["date"]) {
+  if ("added_to_site" in _json.object["date"]
+    && (_json.object["date"]["added_to_site"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_added_to_site = _json.object["date"]["added_to_site"].str;
   }
-  if ("available" in _json.object["date"]) {
+  if ("available" in _json.object["date"]
+    && (_json.object["date"]["available"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_available = _json.object["date"]["available"].str;
   }
-  if ("created" in _json.object["date"]) {
+  if ("created" in _json.object["date"]
+    && (_json.object["date"]["created"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_created = _json.object["date"]["created"].str;
   }
-  if ("issued" in _json.object["date"]) {
+  if ("issued" in _json.object["date"]
+    && (_json.object["date"]["issued"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_issued = _json.object["date"]["issued"].str;
   }
-  if ("modified" in _json.object["date"]) {
+  if ("modified" in _json.object["date"]
+    && (_json.object["date"]["modified"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_modified = _json.object["date"]["modified"].str;
   }
-  if ("published" in _json.object["date"]) {
+  if ("published" in _json.object["date"]
+    && (_json.object["date"]["published"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_published = _json.object["date"]["published"].str;
   }
-  if ("valid" in _json.object["date"]) {
+  if ("valid" in _json.object["date"]
+    && (_json.object["date"]["valid"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.date_valid = _json.object["date"]["valid"].str;
   }
 }
@@ -699,24 +811,36 @@ if ("links" in _json.object) {
   // }
 }
 if ("notes" in _json.object) {
-  if ("abstract" in _json.object["notes"]) {
+  if ("abstract" in _json.object["notes"]
+    && (_json.object["notes"]["abstract"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.notes_abstract = _json.object["notes"]["abstract"].str;
   }
-  if ("description" in _json.object["notes"]) {
+  if ("description" in _json.object["notes"]
+    && (_json.object["notes"]["description"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.notes_description = _json.object["notes"]["description"].str;
   }
 }
 if ("original" in _json.object) {
-  if ("language" in _json.object["original"]) {
+  if ("language" in _json.object["original"]
+    && (_json.object["original"]["language"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.original_language = _json.object["original"]["language"].str;
   }
-  if ("language_char" in _json.object["original"]) {
+  if ("language_char" in _json.object["original"]
+    && (_json.object["original"]["language_char"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.original_language_char = _json.object["original"]["language_char"].str;
   }
-  if ("source" in _json.object["original"]) {
+  if ("source" in _json.object["original"]
+    && (_json.object["original"]["source"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.original_source = _json.object["original"]["source"].str;
   }
-  if ("title" in _json.object["original"]) {
+  if ("title" in _json.object["original"]
+    && (_json.object["original"]["title"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.original_title = _json.object["original"]["title"].str;
   }
 }
@@ -726,46 +850,72 @@ if ("publisher" in _json.object) {
   // }
 }
 if ("rights" in _json.object) {
-  if ("copyright" in _json.object["rights"]) {
+  if ("copyright" in _json.object["rights"]
+    && (_json.object["rights"]["copyright"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright = _json.object["rights"]["copyright"].str;
   }
-  if ("copyright_text" in _json.object["rights"]) {
+  if ("copyright_text" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_text"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_text = _json.object["rights"]["copyright_text"].str;
   }
-  if ("copyright_audio" in _json.object["rights"]) {
+  if ("copyright_audio" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_audio"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_audio = _json.object["rights"]["copyright_audio"].str;
   }
-  if ("copyright_cover" in _json.object["rights"]) {
+  if ("copyright_cover" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_cover"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_cover = _json.object["rights"]["copyright_cover"].str;
   }
-  if ("copyright_illustrations" in _json.object["rights"]) {
+  if ("copyright_illustrations" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_illustrations"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_illustrations = _json.object["rights"]["copyright_illustrations"].str;
   }
-  if ("copyright_photographs" in _json.object["rights"]) {
+  if ("copyright_photographs" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_photographs"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_photographs = _json.object["rights"]["copyright_photographs"].str;
   }
-  if ("copyright_translation" in _json.object["rights"]) {
+  if ("copyright_translation" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_translation"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_translation = _json.object["rights"]["copyright_translation"].str;
   }
-  if ("copyright_video" in _json.object["rights"]) {
+  if ("copyright_video" in _json.object["rights"]
+    && (_json.object["rights"]["copyright_video"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_copyright_video = _json.object["rights"]["copyright_video"].str;
   }
-  if ("license" in _json.object["rights"]) {
+  if ("license" in _json.object["rights"]
+    && (_json.object["rights"]["license"].type().to!string == "STRING")
+  ) {
     _struct_composite.meta.rights_license = _json.object["rights"]["license"].str;
   }
 }
 if (_struct_composite.meta.creator_author.empty) {
   if ("creator" in _json.object) {
-    if ("author" in _json.object["creator"]) {
+    if ("author" in _json.object["creator"]
+      && (_json.object["creator"]["author"].type().to!string == "STRING")
+    ) {
       _struct_composite.meta.creator_author = _json.object["creator"]["author"].str;
     }
-    if ("email" in _json.object["creator"]) {
+    if ("email" in _json.object["creator"]
+      && (_json.object["creator"]["email"].type().to!string == "STRING")
+    ) {
       _struct_composite.meta.creator_author_email = _json.object["creator"]["email"].str;
     }
-    if ("illustrator" in _json.object["creator"]) {
+    if ("illustrator" in _json.object["creator"]
+      && (_json.object["creator"]["illustrator"].type().to!string == "STRING")
+    ) {
       _struct_composite.meta.creator_illustrator = _json.object["creator"]["illustrator"].str;
     }
-    if ("translator" in _json.object["creator"]) {
+    if ("translator" in _json.object["creator"]
+      && (_json.object["creator"]["translator"].type().to!string == "STRING")
+    ) {
       _struct_composite.meta.creator_translator = _json.object["creator"]["translator"].str;
     }
   }
@@ -780,28 +930,42 @@ if (_struct_composite.meta.creator_author.empty) {
 if (_struct_composite.meta.title_main.empty) {
   if ("title" in _json.object) {
     if ((_json.object["title"].type().to!string) == "STRING") {
-      _struct_composite.meta.title_main                     = _json.object["title"].str;
+      _struct_composite.meta.title_main = _json.object["title"].str;
     } else {
-      if ("edition" in _json.object["title"]) {
-        _struct_composite.meta.title_edition                = _json.object["title"]["edition"].str;
+      if ("edition" in _json.object["title"]
+        && (_json.object["title"]["edition"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_edition = _json.object["title"]["edition"].str;
       }
-      if ("full" in _json.object["title"]) {
+      if ("full" in _json.object["title"]
+        && (_json.object["title"]["full"].type().to!string == "STRING")
+      ) {
         // _struct_composite.meta.title_full                  = _json.object["title"]["full"].str;
       }
-      if ("language" in _json.object["title"]) {
-        _struct_composite.meta.title_language               = _json.object["title"]["language"].str;
+      if ("language" in _json.object["title"]
+        && (_json.object["title"]["language"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_language = _json.object["title"]["language"].str;
       }
-      if ("main" in _json.object["title"]) {
-        _struct_composite.meta.title_main                   = _json.object["title"]["main"].str;
+      if ("main" in _json.object["title"]
+        && (_json.object["title"]["main"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_main = _json.object["title"]["main"].str;
       }
-      if ("note" in _json.object["title"]) {
-        _struct_composite.meta.title_note                   = _json.object["title"]["note"].str;
+      if ("note" in _json.object["title"]
+        && (_json.object["title"]["note"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_note = _json.object["title"]["note"].str;
       }
-      if ("sub" in _json.object["title"]) {
-        _struct_composite.meta.title_sub                    = _json.object["title"]["sub"].str;
+      if ("sub" in _json.object["title"]
+        && (_json.object["title"]["sub"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_sub = _json.object["title"]["sub"].str;
       }
-      if ("subtitle" in _json.object["title"]) {
-        _struct_composite.meta.title_subtitle               = _json.object["title"]["subtitle"].str;
+      if ("subtitle" in _json.object["title"]
+        && (_json.object["title"]["subtitle"].type().to!string == "STRING")
+      ) {
+        _struct_composite.meta.title_subtitle = _json.object["title"]["subtitle"].str;
       }
     }
   }