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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/segmentation_platform/internal/execution/processing/processing_utils.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
namespace segmentation_platform::processing {
// Process OS version string to return os version number as int.
int ProcessOsVersionString(std::string os_version) {
// Special case handling for `os_version` string.
if (os_version == "5.0.99") {
return 6;
}
if (os_version == "6.0.99") {
return 7;
}
if (os_version == "7.0.99") {
return 8;
}
if (os_version == "8.0.99") {
return 9;
}
if (os_version == "9.0.99") {
return 10;
}
if (os_version == "10.0.99") {
return 11;
}
// Note: we sometimes see some special cases (such as "10.0") with
// non-trivial number of clients (e.g. 12k). But when such cases represent a
// trivial minority (e.g. "10.0" is 0.02% of the "10" clients), we conclude
// that the special version isn't mainstream and we prefer to leave the OS
// version as unknown.
// For version starting from 10 or above with dots.
int os_version_number = 0;
size_t found = os_version.find(".");
if (found != std::string::npos) {
if (base::StringToInt(os_version.substr(0, found), &os_version_number)) {
return os_version_number;
}
}
// Returns the best effort parsing the version number.
base::StringToInt(os_version, &os_version_number);
return os_version_number;
}
} // namespace segmentation_platform::processing
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