/usr/include/glibmm-2.4/glibmm/optioncontext.h is in libglibmm-2.4-dev 2.32.1-1.
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// Generated by gtkmmproc -- DO NOT MODIFY!
#ifndef _GLIBMM_OPTIONCONTEXT_H
#define _GLIBMM_OPTIONCONTEXT_H
/* $Id: optioncontext.hg,v 1.6 2005/01/10 17:42:17 murrayc Exp $ */
/* Copyright (C) 2004 The glibmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glibmm/optionentry.h>
#include <glibmm/optiongroup.h>
#include <glibmm/error.h>
#include <sigc++/signal.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
extern "C" { typedef struct _GOptionContext GOptionContext; }
#endif
namespace Glib
{
/** Exception class for options.
*/
class OptionError : public Glib::Error
{
public:
enum Code
{
UNKNOWN_OPTION,
BAD_VALUE,
FAILED
};
OptionError(Code error_code, const Glib::ustring& error_message);
explicit OptionError(GError* gobject);
Code code() const;
#ifndef DOXYGEN_SHOULD_SKIP_THIS
private:
static void throw_func(GError* gobject);
friend void wrap_init(); // uses throw_func()
#endif //DOXYGEN_SHOULD_SKIP_THIS
};
/** An OptionContext defines which options are accepted by the commandline option parser.
*/
class OptionContext
{
public:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef OptionContext CppObjectType;
typedef GOptionContext BaseObjectType;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
private:
public:
/** Creates a new option context.
* @param parameter_string A string which is displayed in the first line of --help output, after programname [OPTION...]
*/
explicit OptionContext(const Glib::ustring& parameter_string = Glib::ustring());
//Note that, unlike Glib::Wrap(), this would create a second C++ instance for the same C instance,
//so it should be used carefully. For instance you could not access data in a derived class via this second instance.
explicit OptionContext(GOptionContext* castitem, bool take_ownership = false);
virtual ~OptionContext();
/** Enables or disables automatic generation of <option>--help</option>
* output. By default, g_option_context_parse() recognizes
* <option>--help</option>, <option>-h</option>,
* <option>-?</option>, <option>--help-all</option>
* and <option>--help-</option><replaceable>groupname</replaceable> and creates
* suitable output to stdout.
*
* @newin{2,6}
* @param help_enabled <tt>true</tt> to enable <option>--help</option>, <tt>false</tt> to disable it.
*/
void set_help_enabled(bool help_enabled = true);
/** Returns whether automatic <option>--help</option> generation
* is turned on for @a context. See g_option_context_set_help_enabled().
*
* @newin{2,6}
* @return <tt>true</tt> if automatic help generation is turned on.
*/
bool get_help_enabled() const;
/** Sets whether to ignore unknown options or not. If an argument is
* ignored, it is left in the @a argv array after parsing. By default,
* g_option_context_parse() treats unknown options as error.
*
* This setting does not affect non-option arguments (i.e. arguments
* which don't start with a dash). But note that GOption cannot reliably
* determine whether a non-option belongs to a preceding unknown option.
*
* @newin{2,6}
* @param ignore_unknown <tt>true</tt> to ignore unknown options, <tt>false</tt> to produce
* an error when unknown options are met.
*/
void set_ignore_unknown_options(bool ignore_unknown = true);
/** Returns whether unknown options are ignored or not. See
* g_option_context_set_ignore_unknown_options().
*
* @newin{2,6}
* @return <tt>true</tt> if unknown options are ignored.
*/
bool get_ignore_unknown_options() const;
/** Parses the command line arguments, recognizing options
* which have been added to @a context. A side-effect of
* calling this function is that g_set_prgname() will be
* called.
*
* If the parsing is successful, any parsed arguments are
* removed from the array and @a argc and @a argv are updated
* accordingly. A '--' option is stripped from @a argv
* unless there are unparsed options before and after it,
* or some of the options after it start with '-'. In case
* of an error, @a argc and @a argv are left unmodified.
*
* If automatic <option>--help</option> support is enabled
* (see g_option_context_set_help_enabled()), and the
* @a argv array contains one of the recognized help options,
* this function will produce help output to stdout and
* call <tt>exit (0)</tt>.
*
* Note that function depends on the
* current locale for
* automatic character set conversion of string and filename
* arguments.
*
* @newin{2,6}
* @param argc A pointer to the number of command line arguments.
* @param argv A pointer to the array of command line arguments.
* @return <tt>true</tt> if the parsing was successful,
* <tt>false</tt> if an error occurred.
*/
bool parse(int& argc, char**& argv);
//g_option_context_add_main_entries(), just creates a group internally, adds them to it, and does a set_main_group()
//- a group without callbacks seems to do some simple default parsing.
/** Adds an OptionGroup to the context, so that parsing with context will recognize the options in the group.
* Note that the group will not be copied, so it should exist for as long as the context exists.
*
* @param group The group to add.
*/
void add_group(OptionGroup& group);
/** Sets an OptionGroup as the main group of the context. This has the same effect as calling add_group(), the only
* difference is that the options in the main group are treated differently when generating --help output.
* Note that the group will not be copied, so it should exist for as long as the context exists.
*
* @param group The group to add.
*/
void set_main_group(OptionGroup& group);
//We don't need this (hopefully), and the memory management would be really awkward.
//OptionGroup& get_main_group();
//const OptionGroup& get_main_group() const;
/** Returns a formatted, translated help text for the given context.
* To obtain the text produced by <option>--help</option>, call
* <tt>g_option_context_get_help (context, <tt>true</tt>, <tt>0</tt>)</tt>.
* To obtain the text produced by <option>--help-all</option>, call
* <tt>g_option_context_get_help (context, <tt>false</tt>, <tt>0</tt>)</tt>.
* To obtain the help text for an option group, call
* <tt>g_option_context_get_help (context, <tt>false</tt>, group)</tt>.
*
* @newin{2,14}
* @param main_help If <tt>true</tt>, only include the main group.
* @param group The OptionGroup to create help for, or <tt>0</tt>.
* @return A newly allocated string containing the help text.
*/
Glib::ustring get_help(bool main_help, const OptionGroup& group) const;
/** Returns a formatted, translated help text for the given context.
* To obtain the text produced by --help, call get_help (true).
* To obtain the text produced by --help-all, call get_help(false).
* To obtain the help text for an option group, call get_help(false, group).
*
* @param main_help If true, only include the main group.
* @result string containing the help text.
*/
Glib::ustring get_help(bool main_help = true) const;
GOptionContext* gobj() { return gobject_; }
const GOptionContext* gobj() const { return gobject_; }
/** Adds a string to be displayed in --help output before the list of options. This
* is typically a summary of the program functionality.
*
* Note that the summary is translated (see set_translate_func(),
* set_translation_domain()).
*
* @newin{2,14}
*/
void set_summary(const Glib::ustring& summary);
/** Returns: the summary
* See set_summary() for more information
* @return The summary
*
* @newin{2,14}.
*/
Glib::ustring get_summary() const;
/** Adds a string to be displayed in --help output after the list of
* options. This text often includes a bug reporting address.
*
* Note that the summary is translated (see set_translate_func()).
*
* @newin{2,14}
*/
void set_description(const Glib::ustring& description);
/** Returns: the description
* See set_description() for more information
* @return The description
*
* @newin{2,14}.
*/
Glib::ustring get_description() const;
/** A convenience function to use gettext() for translating
* user-visible strings.
*
* @newin{2,14}
*/
void set_translation_domain(const Glib::ustring& domain);
/**
* This function is used to translate user-visible strings, for --help output.
* The function takes an untranslated string and returns a translated string
*/
typedef sigc::slot<Glib::ustring, const Glib::ustring&> SlotTranslate;
/**
* Sets the function which is used to translate user-visible
* strings, for --help output. Different groups can use different functions.
*
* If you are using gettext(), you only need to set the translation domain,
* see set_translation_domain().
*
* @newin{2,14}
*/
void set_translate_func (const SlotTranslate& slot);
protected:
GOptionContext* gobject_;
bool has_ownership_;
};
} // namespace Glib
#endif /* _GLIBMM_OPTIONCONTEXT_H */
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