| // Copyright 2020 The Chromium OS 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 "runtime_probe/functions/edid.h" |
| |
| #include <pcrecpp.h> |
| |
| #include <numeric> |
| #include <utility> |
| |
| #include <base/files/file_util.h> |
| #include <base/logging.h> |
| #include <base/strings/stringprintf.h> |
| #include <base/values.h> |
| |
| #include "runtime_probe/utils/edid.h" |
| #include "runtime_probe/utils/file_utils.h" |
| |
| namespace runtime_probe { |
| |
| namespace { |
| |
| base::Value ProbeEdidPath(const base::FilePath& edid_path) { |
| VLOG(2) << "Processing the node \"" << edid_path.value() << "\""; |
| |
| std::string raw_bytes; |
| if (!base::ReadFileToString(edid_path, &raw_bytes)) |
| return base::Value(base::Value::Type::DICTIONARY); |
| if (raw_bytes.length() == 0) { |
| return base::Value(base::Value::Type::DICTIONARY); |
| } |
| |
| base::Value res(base::Value::Type::DICTIONARY); |
| auto edid = |
| Edid::From(std::vector<uint8_t>(raw_bytes.begin(), raw_bytes.end())); |
| if (!edid) { |
| return res; |
| } |
| res.SetStringKey("vendor", edid->vendor); |
| res.SetStringKey("product_id", base::StringPrintf("%04x", edid->product_id)); |
| res.SetIntKey("width", edid->width); |
| res.SetIntKey("height", edid->height); |
| res.SetStringKey("path", edid_path.value()); |
| return res; |
| } |
| |
| } // namespace |
| |
| EdidFunction::DataType EdidFunction::EvalImpl() const { |
| DataType result{}; |
| |
| for (const auto& edid_pattern : edid_patterns_) { |
| for (const auto& edid_path : Glob(edid_pattern)) { |
| auto node_res = ProbeEdidPath(edid_path); |
| if (node_res.DictEmpty()) |
| continue; |
| |
| result.push_back(std::move(node_res)); |
| } |
| } |
| |
| return result; |
| } |
| |
| } // namespace runtime_probe |