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/*
  read markup source
  ao_read_markup_source.d
*/
mixin template SiSUmarkupRaw() {
  class MarkupRaw {
    auto rgx = new Rgx();
    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;
    }
    final private char[][] markupSourceLineArray(in string src_text) {
      char[][] source_line_arr =
        split(cast(char[]) src_text, rgx.line_delimiter);
      return source_line_arr;
    }
    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;
    }
    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;
    }
  }
}