3e1a26c44c
The methodology used to generate this CL is documented in https://crbug.com/1098010#c95. No-Try: true Bug: 1098010 Change-Id: I4bd37f76f2cc56763fc4018087890eae3c92c700 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3899419 Reviewed-by: Mark Mentovai <mark@chromium.org> Commit-Queue: Avi Drissman <avi@chromium.org> Owners-Override: Avi Drissman <avi@chromium.org> Auto-Submit: Avi Drissman <avi@chromium.org> Cr-Commit-Position: refs/heads/main@{#1047649}
49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef UI_SHELL_DIALOGS_SELECT_FILE_UTILS_WIN_H_
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#define UI_SHELL_DIALOGS_SELECT_FILE_UTILS_WIN_H_
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#include "base/strings/string_tokenizer.h"
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namespace ui {
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// Given a file name, return the sanitized version by removing substrings that
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// are embedded in double '%' characters as those are reserved for environment
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// variables. Implementation detail exported for unit tests.
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template <typename T>
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std::basic_string<T> RemoveEnvVarFromFileName(
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const std::basic_string<T>& file_name,
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const std::basic_string<T>& env_delimit) {
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base::StringTokenizerT<std::basic_string<T>,
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typename std::basic_string<T>::const_iterator>
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t(file_name, env_delimit);
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t.set_options(base::StringTokenizer::RETURN_EMPTY_TOKENS);
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std::basic_string<T> result;
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bool token_valid = t.GetNext();
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while (token_valid) {
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// Append substring before the first "%".
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result.append(t.token());
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// Done if we are reaching the end delimiter,
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if (!t.GetNext()) {
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break;
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}
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std::basic_string<T> string_after_first_percent = t.token();
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token_valid = t.GetNext();
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// If there are no other "%", append the string after
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// the first "%". Otherwise, remove the string between
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// the "%" and continue handing the remaining string.
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if (!token_valid) {
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result.append(env_delimit);
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result.append(string_after_first_percent);
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break;
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}
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}
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return result;
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}
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} // namespace ui
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#endif // UI_SHELL_DIALOGS_SELECT_FILE_UTILS_WIN_H_
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