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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Authors:
* Ted Gould <ted@gould.cx>
*
* Copyright (C) 2004 Authors
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef INKSCAPE_EXTENSION_DEPENDENCY_H__
#define INKSCAPE_EXTENSION_DEPENDENCY_H__
#include <glibmm/ustring.h>
#include "xml/repr.h"
namespace Inkscape {
namespace Extension {
class Extension;
/** \brief A class to represent a dependency for an extension. There
are different things that can be done in a dependency, and
this class takes care of all of them. */
class Dependency {
public:
/** \brief All the possible types of dependencies. */
enum type_t {
TYPE_EXECUTABLE, /**< Look for an executable */
TYPE_FILE, /**< Look to make sure a file exists */
TYPE_EXTENSION, /**< Make sure a specific extension is loaded and functional */
TYPE_CNT /**< Number of types */
};
/** \brief All of the possible locations to look for the dependency. */
enum location_t {
LOCATION_PATH, /**< Look in the PATH for this dependency - historically this is the default
(it's a bit odd for interpreted script files but makes sense for other executables) */
LOCATION_EXTENSIONS, /**< Look in the extensions directory
(note: this can be in both, user and system locations!) */
LOCATION_INX, /**< Look relative to the inx file's location */
LOCATION_ABSOLUTE, /**< This dependency is already defined in absolute terms */
LOCATION_CNT /**< Number of locations to look */
};
private:
static constexpr const char *UNCHECKED = "---unchecked---";
/** \brief The XML representation of the dependency. */
Inkscape::XML::Node * _repr;
/** \brief The string that is in the XML tags pulled out. */
const gchar * _string = nullptr;
/** \brief The description of the dependency for the users. */
const gchar * _description = nullptr;
/** \brief The absolute path to the dependency file determined while checking this dependency. */
std::string _absolute_location = UNCHECKED;
/** \brief Storing the type of this particular dependency. */
type_t _type = TYPE_FILE;
/** \brief The location to look for this particular dependency. */
location_t _location = LOCATION_PATH;
/** \brief Strings to represent the different enum values in
\c type_t in the XML */
static gchar const * _type_str[TYPE_CNT];
/** \brief Strings to represent the different enum values in
\c location_t in the XML */
static gchar const * _location_str[LOCATION_CNT];
/** \brief Reference to the extension requesting this dependency. */
const Extension *_extension;
public:
Dependency (Inkscape::XML::Node *in_repr, const Extension *extension, type_t type=TYPE_FILE);
virtual ~Dependency ();
bool check();
const gchar* get_name();
std::string get_path();
Glib::ustring info_string();
}; /* class Dependency */
} } /* namespace Extension, Inkscape */
#endif /* INKSCAPE_EXTENSION_DEPENDENCY_H__ */
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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