//
// Fluid Project Internationalization header for the Fast Light Tool Kit (FLTK).
//
// Copyright 2025 by Bill Spitzak and others.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file.  If this
// file is missing or damaged, see the license at:
//
//     https://www.fltk.org/COPYING.php
//
// Please see the following page on how to report bugs and issues:
//
//     https://www.fltk.org/bugs.php
//

#ifndef FLUID_PROJ_I18N_H
#define FLUID_PROJ_I18N_H

#include <FL/fl_string_functions.h>
#include <stdlib.h>
#include <string.h>

class Project;

/**
 Enumeration of available internationalization types.
 */
typedef int I18n_Type;

enum {
  FLD_I18N_TYPE_NONE = 0, ///< No i18n, all strings are litearals
  FLD_I18N_TYPE_GNU,      ///< GNU gettext internationalization
  FLD_I18N_TYPE_POSIX     ///< Posix catgets internationalization
};

class Project_Reader;
class Project_Writer;

/**
 Data and settings for a FLUID project file.
 */
class I18n
{
public:
  Project &project_;

  /// One of the available internationalization types.
  I18n_Type type;
  /// Include file for GNU i18n, writes an #include statement into the source
  /// file. This is usually `<libintl.h>` or `"gettext.h"` for GNU gettext.
  char *gnu_include;
  // Optional name of a macro for conditional i18n compilation.
  char *gnu_conditional;
  /// For the gettext/intl.h options, this is the function that translates text
  /// at runtime. This is usually "gettext" or "_".
  char *gnu_function;
  /// For the gettext/intl.h options, this is the function that marks the translation
  /// of text at initialisation time. This is usually "gettext_noop" or "N_".
  char *gnu_static_function;

  /// Include file for Posix i18n, write a #include statement into the source
  /// file. This is usually `<nl_types.h>` for Posix catgets.
  char *posix_include;
  // Optional name of a macro for conditional i18n compilation.
  char *posix_conditional;
  /// Name of the nl_catd database
  char *posix_file;
  /// Message set ID for the catalog.
  char *posix_set;

public: // Methods
  I18n(Project &p);
  ~I18n();
  void reset();
  void read(Project_Reader &f, const char *key);
  void write(Project_Writer &f) const;

  void set_gnu_include(const char *s);
  void set_gnu_conditional(const char *s);
  void set_gnu_function(const char *s);
  void set_gnu_static_function(const char *s);
  void set_posix_include(const char *s);
  void set_posix_conditional(const char *s);
  void set_posix_file(const char *s);
  void set_posix_set(const char *s);
};


#endif // FLUID_PROJ_I18N_H