40 lines
930 B
C++
40 lines
930 B
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2019
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
#include "td/utils/PathView.h"
|
|
|
|
#include "td/utils/misc.h"
|
|
|
|
namespace td {
|
|
|
|
PathView::PathView(Slice path) : path_(path) {
|
|
last_slash_ = narrow_cast<int32>(path_.size()) - 1;
|
|
while (last_slash_ >= 0 && !is_slash(path_[last_slash_])) {
|
|
last_slash_--;
|
|
}
|
|
|
|
last_dot_ = static_cast<int32>(path_.size());
|
|
for (auto i = last_dot_ - 1; i > last_slash_ + 1; i--) {
|
|
if (path_[i] == '.') {
|
|
last_dot_ = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
Slice PathView::relative(Slice path, Slice dir, bool force) {
|
|
if (begins_with(path, dir)) {
|
|
path.remove_prefix(dir.size());
|
|
return path;
|
|
}
|
|
if (force) {
|
|
return Slice();
|
|
}
|
|
return path;
|
|
}
|
|
|
|
} // namespace td
|