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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/linux_util.h"
#include "base/string_util.h"
namespace {
// Common implementation of ConvertAcceleratorsFromWindowsStyle() and
// RemoveWindowsStyleAccelerators().
// Replaces all ampersands (as used in our grd files to indicate mnemonics)
// to |target|, except ampersands appearing in pairs which are replaced by
// a single ampersand. Any underscores get replaced with two underscores as
// is needed by GTK.
std::string ConvertAmpersandsTo(const std::string& label,
const std::string& target) {
std::string ret;
ret.reserve(label.length() * 2);
for (size_t i = 0; i < label.length(); ++i) {
if ('_' == label[i]) {
ret.push_back('_');
ret.push_back('_');
} else if ('&' == label[i]) {
if (i + 1 < label.length() && '&' == label[i + 1]) {
ret.push_back('&');
++i;
} else {
ret.append(target);
}
} else {
ret.push_back(label[i]);
}
}
return ret;
}
} // namespace
namespace gfx {
std::string ConvertAcceleratorsFromWindowsStyle(const std::string& label) {
return ConvertAmpersandsTo(label, "_");
}
std::string RemoveWindowsStyleAccelerators(const std::string& label) {
return ConvertAmpersandsTo(label, "");
}
// Replaces all ampersands in |label| with two ampersands. This effectively
// escapes strings for later processing by ConvertAmpersandsTo(), so that
// ConvertAmpersandsTo(EscapeWindowsStyleAccelerators(x), *) is |x| with
// underscores doubled, making the string that appears to the user just |x|.
std::string EscapeWindowsStyleAccelerators(const std::string& label) {
std::string ret;
ReplaceChars(label, "&", "&&", &ret);
return ret;
}
} // namespace gfx
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