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/**
* \brief Simplified management of enumerations of svg items with UI labels
*
* Authors:
* Nicholas Bishop <nicholasbishop@gmail.com>
* Johan Engelen <j.b.c.engelen@ewi.utwente.nl>
*
* Copyright (C) 2007 Authors
*
* Released under GNU GPL. Read the file 'COPYING' for more information.
*/
/* IMPORTANT
* When initializing the EnumData struct, you cannot use _(...) to translate strings.
* Instead, one must use N_(...) and do the translation every time the string is retreived.
*
* Note that get_id_from_key and get_id_from_label return 0 if it cannot find an entry for that key string
*/
#ifndef INKSCAPE_UTIL_ENUMS_H
#define INKSCAPE_UTIL_ENUMS_H
#include <glibmm/ustring.h>
namespace Inkscape {
namespace Util {
template<typename E> class EnumData
{
public:
E id;
const Glib::ustring label;
const Glib::ustring key;
};
template<typename E> class EnumDataConverter
{
public:
typedef EnumData<E> Data;
EnumDataConverter(const EnumData<E>* cd, const int endval)
: end(endval), _data(cd)
{}
E get_id_from_label(const Glib::ustring& label) const
{
for(int i = 0; i < end; ++i) {
if(_data[i].label == label)
return (E)i;
}
return (E)0;
}
E get_id_from_key(const Glib::ustring& key) const
{
for(int i = 0; i < end; ++i) {
if(_data[i].key == key)
return (E)i;
}
return (E)0;
}
bool is_valid_key(const Glib::ustring& key) const
{
for(int i = 0; i < end; ++i) {
if(_data[i].key == key)
return true;
}
return false;
}
bool is_valid_id(const E e) const
{
return ( (int)e < end );
}
const Glib::ustring& get_label(const E e) const
{
return _data[e].label;
}
const Glib::ustring& get_key(const E e) const
{
return _data[e].key;
}
const EnumData<E>& data(const int i) const
{
return _data[i];
}
const int end;
private:
const EnumData<E>* _data;
};
}
}
#endif
/*
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:encoding=utf-8:textwidth=99 :
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