#+TITLE: sdp read markup source
#+AUTHOR: Ralph Amissah
#+EMAIL: ralph.amissah@gmail.com
#+STARTUP: indent
#+LANGUAGE: en
#+OPTIONS: H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
#+OPTIONS: TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
#+OPTIONS: author:nil email:nil creator:nil timestamp:nil
#+PROPERTY: header-args :padline no :exports code :noweb yes
#+EXPORT_SELECT_TAGS: export
#+EXPORT_EXCLUDE_TAGS: noexport
#+FILETAGS: :sdp:rel:ao:
#+TAGS: assert(a) class(c) debug(d) mixin(m) sdp(s) tangle(T) template(t) WEB(W) noexport(n)

* read markup source                                                 :markup:
[[./sdp.org][sdp]]  [[./][org/]]

** source string                                                     :string:
#+name: ao_read_markup_source
#+BEGIN_SRC d
final private string markupSourceString(in char[] fn_src) {
  enforce(
    exists(fn_src)!=0,
    "file not found"
  );
  string source_txt_str;
  try {
    if (exists(fn_src)) {
      source_txt_str = readText(fn_src); // ok
    }
  }
  catch (ErrnoException ex) {
    // Handle errors
  }
  catch (UTFException ex) {
    // Handle validation errors
  }
  catch (FileException ex) {
    // Handle errors
  }
  std.utf.validate(source_txt_str);
  return source_txt_str;
}
#+END_SRC

** source line array                                                  :array:
#+name: ao_read_markup_source
#+BEGIN_SRC d
final private char[][] markupSourceLineArray(in string src_text) {
  char[][] source_line_arr =
    split(cast(char[]) src_text, rgx.line_delimiter);
  return source_line_arr;
}
#+END_SRC

** insert source content raw line array                               :array:
#+name: ao_read_markup_source
#+BEGIN_SRC d
final char[][] markupInsertSourceContentRawLineArray(in char[] fn_src) {
  enforce(
    match(fn_src, rgx.src_fn_find_inserts),
    "not a sisu markup filename"
  );
  auto source_txt_str = markupSourceString(fn_src);
  auto source_line_arr = markupSourceLineArray(source_txt_str);
  return source_line_arr;
}
#+END_SRC

** source content raw line array                                      :array:
#+name: ao_read_markup_source
#+BEGIN_SRC d
final char[][] markupSourceContentRawLineArray(in char[] fn_src) {
  enforce(
    match(fn_src, rgx.src_pth),
    "not a sisu markup filename"
  );
  auto source_txt_str = markupSourceString(fn_src);
  auto source_line_arr = markupSourceLineArray(source_txt_str);
  return source_line_arr;
}
#+END_SRC

* tangles                                                            :tangle:
** code structure:                                   :ao_read_markup_source.d:
#+name: tangle_ao_read_markup_source
#+BEGIN_SRC d :tangle ../lib/sdp/ao_read_markup_source.d
/+
  read markup source
  ao_read_markup_source.d
+/
mixin template SiSUmarkupRaw() {
  struct MarkupRaw {
    auto rgx = Rgx();
    <<ao_read_markup_source>>
  }
}
#+END_SRC