86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
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/*
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "host/commands/assemble_cvd/display_flags.h"
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#include <unordered_map>
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#include <vector>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include <android-base/strings.h>
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#include "common/libs/utils/contains.h"
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#include "host/commands/assemble_cvd/flags_defaults.h"
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namespace cuttlefish {
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Result<std::optional<CuttlefishConfig::DisplayConfig>> ParseDisplayConfig(
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const std::string& flag) {
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if (flag.empty()) {
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return std::nullopt;
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}
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std::unordered_map<std::string, std::string> props;
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const std::vector<std::string> pairs = android::base::Split(flag, ",");
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for (const std::string& pair : pairs) {
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const std::vector<std::string> keyvalue = android::base::Split(pair, "=");
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CF_EXPECT_EQ(keyvalue.size(), 2,
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"Invalid display flag key-value: \"" << flag << "\"");
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const std::string& prop_key = keyvalue[0];
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const std::string& prop_val = keyvalue[1];
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props[prop_key] = prop_val;
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}
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CF_EXPECT(Contains(props, "width"),
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"Display configuration missing 'width' in \"" << flag << "\"");
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CF_EXPECT(Contains(props, "height"),
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"Display configuration missing 'height' in \"" << flag << "\"");
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int display_width;
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CF_EXPECT(android::base::ParseInt(props["width"], &display_width),
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"Display configuration invalid 'width' in \"" << flag << "\"");
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int display_height;
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CF_EXPECT(android::base::ParseInt(props["height"], &display_height),
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"Display configuration invalid 'height' in \"" << flag << "\"");
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int display_dpi = CF_DEFAULTS_DISPLAY_DPI;
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auto display_dpi_it = props.find("dpi");
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if (display_dpi_it != props.end()) {
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CF_EXPECT(android::base::ParseInt(display_dpi_it->second, &display_dpi),
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"Display configuration invalid 'dpi' in \"" << flag << "\"");
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}
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int display_refresh_rate_hz = CF_DEFAULTS_DISPLAY_REFRESH_RATE;
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auto display_refresh_rate_hz_it = props.find("refresh_rate_hz");
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if (display_refresh_rate_hz_it != props.end()) {
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CF_EXPECT(android::base::ParseInt(display_refresh_rate_hz_it->second,
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&display_refresh_rate_hz),
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"Display configuration invalid 'refresh_rate_hz' in \"" << flag
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<< "\"");
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}
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return CuttlefishConfig::DisplayConfig{
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.width = display_width,
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.height = display_height,
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.dpi = display_dpi,
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.refresh_rate_hz = display_refresh_rate_hz,
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};
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}
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} // namespace cuttlefish
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