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#!/usr/bin/env rdmd
/+
  sdp
+/
import
  compile_time_info,
  abstraction;
/+ sdp: sisu document parser, see http://sisudoc.org +/
import
  abstraction_summary,
  ao_abstract_doc_source,
  ao_conf_make_meta,
  ao_conf_make_meta_native,
  ao_conf_make_meta_sdlang,
  ao_defaults,
  ao_doc_debugs,
  ao_read_config_files,
  ao_read_source_files,
  ao_rgx,
  output_hub;
/+ sdlang http://sdlang.org +/
import sdlang;                            // sdlang.d
/+ std +/
private import
  std.array,
  std.exception,
  std.getopt,
  std.process,
  std.stdio,
  std.regex,
  std.string,
  std.traits,
  std.typecons,
  std.utf,
  std.conv : to;

mixin(import("version.txt"));
mixin CompileTimeInfo;
/++ A SiSU document parser writen in D. +/
void main(string[] args) {
  mixin SiSUrgxInit;
  mixin SiSUregisters;
  mixin SiSUheaderExtractSDLang;
  mixin SiSUnode;
  mixin SiSUbiblio;
  mixin SiSUrgxInitFlags;
  mixin outputHub;
  string[] fns_src;
  string flag_action;
  string arg_unrecognized;
  enum dAM { abstraction, matters }
  auto rgx = Rgx();
  scope(success) {
    debug(checkdoc) {
      writefln(
        "~ run complete, ok ~ (sdp-%s.%s.%s, %s v%s, %s %s)",
        ver.major, ver.minor, ver.patch,
        __VENDOR__, __VERSION__,
        bits, os,
      );
    }
  }
  scope(failure) {
    debug(checkdoc) {
      stderr.writefln(
        "run failure",
      );
    }
  }
  bool[string] _opt_action_bool = [
    "assertions"         : false,
    "concordance"        : false,
    "debug"              : false,
    "digest"             : false,
    "docbook"            : false,
    "epub"               : false,
    "html"               : false,
    "html_seg"           : false,
    "html_scroll"        : false,
    "manifest"           : false,
    "ocn"                : true,
    "odt"                : false,
    "pdf"                : false,
    "postgresql"         : false,
    "qrcode"             : false,
    "sisupod"            : false,
    "source"             : false,
    "sqlite"             : false,
    "text"               : false,
    "verbose"            : false,
    "xhtml"              : false,
    "xml_dom"            : false,
    "xml_sax"            : false,
    "section_toc"        : true,
    "section_body"       : true,
    "section_endnotes"   : true,
    "section_glossary"   : true,
    "section_biblio"     : true,
    "section_bookindex"  : true,
    "section_blurb"      : true,
    "backmatter"         : true,
    "skip_output"        : false,
  ];
  auto helpInfo = getopt(args,
    std.getopt.config.passThrough,
    "assert",             "--assert set optional assertions on",                        &_opt_action_bool["assertions"],
    "concordance",        "--concordance file for document",                            &_opt_action_bool["concordance"],
    "debug",             "--debug only relevant when debug options compiled in",        &_opt_action_bool["debug"],
    "digest",             "--digest hash digest for each object",                       &_opt_action_bool["digest"],
    "docbook",            "--docbook process docbook output",                           &_opt_action_bool["docbook"],
    "epub",               "--epub process epub output",                                 &_opt_action_bool["epub"],
    "html",               "--html process html output",                                 &_opt_action_bool["html"],
    "html_seg",           "--html-seg process html output",                             &_opt_action_bool["html_seg"],
    "html_scroll",        "--html-seg process html output",                             &_opt_action_bool["html_scroll"],
    "manifest",           "--manifest process manifest output",                         &_opt_action_bool["manifest"],
    "ocn",                "--ocn object cite numbers (default)",                        &_opt_action_bool["ocn"],
    "odf",                "--odf process odf:odt output",                               &_opt_action_bool["odt"],
    "odt",                "--odt process odf:odt output",                               &_opt_action_bool["odt"],
    "pdf",                "--pdf process pdf output",                                   &_opt_action_bool["pdf"],
    "pg",                 "--pg process postgresql output",                             &_opt_action_bool["postgresql"],
    "postgresql",         "--postgresql process postgresql output",                     &_opt_action_bool["postgresql"],
    "qrcode",             "--qrcode with document metadata",                            &_opt_action_bool["qrcode"],
    "sisupod",            "--sisupod sisupod source content bundled",                   &_opt_action_bool["sisupod"],
    "source",             "--source markup source text content",                        &_opt_action_bool["source"],
    "sqlite",             "--sqlite process sqlite output",                             &_opt_action_bool["sqlite"],
    "text",               "--text process text output",                                 &_opt_action_bool["text"],
    "txt",                "--txt process text output",                                  &_opt_action_bool["text"],
    "verbose|v",          "--verbose output to terminal",                               &_opt_action_bool["verbose"],
    "xhtml",              "--xhtml process xhtml output",                               &_opt_action_bool["xhtml"],
    "xml-dom",            "--xml-dom process xml dom output",                           &_opt_action_bool["xml_dom"],
    "xml-sax",            "--xml-sax process xml sax output",                           &_opt_action_bool["xml_sax"],
    "section-toc",        "--section-toc process table of contents (default)",          &_opt_action_bool["section_toc"],
    "section-body",       "--section-body process document body (default)",             &_opt_action_bool["section_body"],
    "section-endnotes",   "--section-endnotes process document endnotes (default)",     &_opt_action_bool["section_endnotes"],
    "section-glossary",   "--section-glossary process document glossary (default)",     &_opt_action_bool["section_glossary"],
    "section-biblio",     "--section-biblio process document biblio (default)",         &_opt_action_bool["section_biblio"],
    "section-bookindex",  "--section-bookindex process document bookindex (default)",   &_opt_action_bool["section_bookindex"],
    "section-blurb",      "--section-blurb process document blurb (default)",           &_opt_action_bool["section_blurb"],
    "backmatter",         "--section-backmatter process document backmatter (default)", &_opt_action_bool["backmatter"],
    "skip_output",        "--skip-output",                                              &_opt_action_bool["skip_output"],
  );
  if (helpInfo.helpWanted) {
    defaultGetoptPrinter("Some information about the program.", helpInfo.options);
  }
  foreach(arg; args) {
    if (match(arg, rgx.flag_action)) {
      flag_action ~= " " ~ arg;   // flags not taken by getopt
    } else if (match(arg, rgx.src_pth)) {
      fns_src ~= arg;             // gather input markup source file names for processing
    } else {                      // anything remaining, unused
      arg_unrecognized ~= " " ~ arg;
    }
  }
  auto env = [
    "pwd" : environment["PWD"],
    "home" : environment["HOME"],
  ];
  auto sdl_root_configuration = ConfigHub!()("conf.sdl", env);
  auto sdl_root_doc_make = ConfigHub!()("sisu_document_make", env);
  auto confsdl = HeaderExtractSDL();
  auto conf_settings_aa = confsdl.configSettingsSDLangToAAmake(sdl_root_configuration);
  auto conf_doc_make_aa = confsdl.documentMakeSDLangToAAmake(sdl_root_doc_make);
  foreach(fn_src; fns_src) {
    if (!empty(fn_src)) {
      scope(success) {
        debug(checkdoc) {
          writefln(
            "%s\n%s",
            "~ document complete, ok ~",
            "------------------------------------------------------------------",
          );
        }
      }
      scope(failure) {
        debug(checkdoc) {
          stderr.writefln(
            "~ document run failure ~ (%s  v%s)\n\t%s",
            __VENDOR__, __VERSION__,
            fn_src
          );
        }
      }
      enforce(
        match(fn_src, rgx.src_pth),
        "not a sisu markup filename"
      );
      auto t =
        SiSUabstraction!()(fn_src, _opt_action_bool, env);
      static assert(!isTypeTuple!(t));
      static assert(t.length==2);
      auto doc_abstraction = t[dAM.abstraction];
      auto doc_matters = t[dAM.matters];
      /+ ↓ debugs +/
      if (doc_matters.opt_action_bool["verbose"]) {
        SiSUabstractionSummary!()(doc_abstraction, doc_matters);
      }
      /+ ↓ debugs +/
      if ((doc_matters.opt_action_bool["debug"])
      || (doc_matters.opt_action_bool["verbose"])
      ) {
        SiSUdebugs!()(doc_abstraction, doc_matters);
      }
      /+ ↓ output hub +/
      if (!(_opt_action_bool["skip_output"])) {
        outputHub!()(doc_abstraction, doc_matters);
      }
      scope(exit) {
        debug(checkdoc) {
          writefln(
            "processed file: %s",
            fn_src
          );
        }
        destroy(fn_src);
      }
    } else {
      /+ no recognized filename provided +/
      writeln("no recognized filename");
      break; // terminate, stop
    }
  }
}
unittest {
  /++
	name        "sdp"
	description "A SiSU document parser writen in D."
	homepage    "http://sisudoc.org"
  +/
}