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// SPDX-License-Identifier: GPL-2.0-or-later
#include "format_size.h"
#include <glibmm/ustring.h>
#include <sstream>
namespace Inkscape {
namespace Util {
Glib::ustring format_size(std::size_t value) {
if (!value) {
return Glib::ustring("0");
}
typedef std::vector<char> Digits;
typedef std::vector<Digits *> Groups;
Groups groups;
Digits *digits;
while (value) {
unsigned places=3;
digits = new Digits();
digits->reserve(places);
while ( value && places ) {
digits->push_back('0' + (char)( value % 10 ));
value /= 10;
--places;
}
groups.push_back(digits);
}
Glib::ustring temp;
while (true) {
digits = groups.back();
while (!digits->empty()) {
temp.append(1, digits->back());
digits->pop_back();
}
delete digits;
groups.pop_back();
if (groups.empty()) {
break;
}
temp.append(",");
}
return temp;
}
Glib::ustring format_file_size(std::size_t value) {
std::ostringstream ost;
if (value < 1024) {
ost << value << " B";
}
else {
double size = value;
int index = 0;
do {
size /= 1024;
++index;
} while (size > 1024);
static const char* unit[] = {"", "k", "M", "G", "T", "P", "E", "Z", "Y"};
ost.precision(1);
ost << std::fixed << size << ' ' << unit[index] << 'B';
}
return ost.str();
}
}} // namespace
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