/usr/include/giomm-2.4/giomm/contenttype.h is in libglibmm-2.4-dev 2.32.1-1.
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/* Copyright (C) 2008 The gtkmm 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.
*/
#ifndef _GIOMM_CONTENTTYPE_H
#define _GIOMM_CONTENTTYPE_H
#include <glibmm/ustring.h>
#include <glibmm/listhandle.h>
#include <giomm/icon.h>
#include <giomm/file.h>
#include <string>
namespace Gio
{
/**
* Compares two content types for equality.
*
* @param type1 A content type string.
* @param type2 A content type string.
*
* @return true if the two strings are identical or equivalent, false otherwise.
*/
bool content_type_equals(const Glib::ustring& type1,
const Glib::ustring& type2);
/**
* Determines if @a type is a subset of @a supertype.
*
* @param type A content type string.
* @param supertype A string.
*
* @return true if @a type is a kind of @a supertype, false otherwise.
*/
bool content_type_is_a(const Glib::ustring& type,
const Glib::ustring& supertype);
/**
* Checks if the content type is the generic "unknown" type.
* On unix this is the "application/octet-stream" mimetype,
* while on win32 it is "*".
*
* @param type A content type string.
*
* @return true if the type is the unknown type.
*/
bool content_type_is_unknown(const Glib::ustring& type);
/**
* Gets the human readable description of the content type.
*
* @param type A content type string.
*
* @return a short description of the content type @a type.
*/
Glib::ustring content_type_get_description(const Glib::ustring& type);
/**
* Gets the mime-type for the content type. If one is registered
*
* @param type A content type string.
*
* @return the registered mime-type for the given @a type, or NULL if unknown.
*/
Glib::ustring content_type_get_mime_type(const Glib::ustring& type);
/**
* @param type A content type string.
*
* Gets the icon for a content type.
*
* @return Icon corresponding to the content type.
*/
Glib::RefPtr<Icon> content_type_get_icon(const Glib::ustring& type);
/**
* Checks if a content type can be executable. Note that for instance
* things like text files can be executables (i.e. scripts and batch files).
*
* @param type a content type string.
*
* @return true if the file type corresponds to a type that can be executable,
* false otherwise.
*/
bool content_type_can_be_executable(const Glib::ustring& type);
/** Tries to find a content type based on the mime type name.
*
* @param mime_type a mime type string.
* @returns string with content type or empty when it does not know.
*
* @newin{2,20}
*/
Glib::ustring content_type_from_mime_type(const Glib::ustring& mime_type);
/**
* Guesses the content type based on example data. If the function is uncertain,
* @a result_uncertain will be set to true
*
* @param filename a string.
* @param data A stream of data.
* @param data_size The size of @a data.
* @param result_uncertain A flag indicating the certainty of the result.
* @return A string indicating a guessed content type for the
* given data.
*/
Glib::ustring content_type_guess(const std::string& filename,
const guchar* data, gsize data_size,
bool& result_uncertain);
/**
* Guesses the content type based on example data. If the function is uncertain,
* @a result_uncertain will be set to true
*
* @param filename a string.
* @param data A stream of data.
* @param result_uncertain A flag indicating the certainty of the result.
* @return A string indicating a guessed content type for the
* given data.
*/
Glib::ustring content_type_guess(const std::string& filename,
const std::string& data,
bool& result_uncertain);
/** Tries to guess the type of the tree with root @a root, by
* looking at the files it contains. The result is a list
* of content types, with the best guess coming first.
*
* The types returned all have the form x-content/foo, e.g.
* x-content/audio-cdda (for audio CDs) or x-content/image-dcf
* (for a camera memory card). See the <ulink url="http://www.freedesktop.org/wiki/Specifications/shared-mime-info-spec">shared-mime-info</ulink>
* specification for more on x-content types.
*
* @param root The root of the tree to guess a type for.
* @return List of zero or more content types.
*
* @newin{2,18}
*/
Glib::StringArrayHandle content_type_guess_for_tree(const Glib::RefPtr<const File>& root);
/**
* Gets a list of strings containing all the registered content types
* known to the system.
*
* @return List of the registered content types.
*/
Glib::ListHandle<Glib::ustring> content_types_get_registered();
} // namespace Gio
#endif // _GIOMM_CONTENTTYPE_H
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