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// SPDX-License-Identifier: GPL-2.0-or-later
/**
* @file
* Inkscape::Util::trim - trim whitespace and other characters
*
* Authors:
* Rafael Siejakowski <rs@rs-math.net>
*
* Copyright (C) 2022 the Authors.
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifndef SEEN_TRIM_H
#define SEEN_TRIM_H
#include <glibmm/ustring.h>
#include <glibmm/regex.h>
namespace Inkscape {
namespace Util {
/**
* @brief
* Modifies a string in place, removing leading and trailing whitespace characters.
* Optionally, it can remove other characters or ranges in addition to whitespace.
*
* @param input - a reference to a Glib::ustring which will be modified in place.
* @param also_remove - optional range of characters to remove in addition to whitespace.
* NOTE: these characters are inserted into a regex range (square brackets) and
* therefore may need to be regex-escaped. It is the responsibility of
* the user to pass a string that will work correctly in a regex range.
*/
inline void trim(Glib::ustring &input, Glib::ustring const &also_remove = "")
{
auto const regex = Glib::Regex::create(Glib::ustring("^[\\s") + also_remove + "]*(.+?)[\\s"
+ also_remove + "]*$");
Glib::MatchInfo match_info;
regex->match(input, match_info);
if (!match_info.matches()) {
input.clear();
return;
}
input = match_info.fetch(1);
}
} // namespace Util
} // namespace Inkscape
#endif // SEEN_TRIM_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:fileencoding=utf-8:textwidth=99 :
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