HWID and VPD values should be accessible via SystemAccess::GetMachineStatistic

chrome/browser/chromeos/name_value_pairs_parser.cc

+// Copyright (c) 2011 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 "chrome/browser/chromeos/name_value_pairs_parser.h"
+
+#include "base/command_line.h"
+#include "base/logging.h"
+#include "base/process_util.h"
+#include "base/string_tokenizer.h"
+#include "base/string_util.h"
+#include "base/threading/thread_restrictions.h"
+
+namespace chromeos {  // NOLINT
+
+namespace {
+
+const char kQuoteChars[] = "\"";
+
+}  // namespace
+
+NameValuePairsParser::NameValuePairsParser(NameValueMap* map)
+    : map_(map) {
+}
+
+void NameValuePairsParser::AddNameValuePair(const std::string& key,
+                                            const std::string& value) {
+  (*map_)[key] = value;
+  VLOG(1) << "name: " << key << ", value: " << value;
+}
+
+bool NameValuePairsParser::ParseNameValuePairs(const std::string& in_string,
+                                               const std::string& eq,
+                                               const std::string& delim) {
+  // Set up the pair tokenizer.
+  StringTokenizer pair_toks(in_string, delim);
+  pair_toks.set_quote_chars(kQuoteChars);
+  // Process token pairs.
+  while (pair_toks.GetNext()) {
+    std::string pair(pair_toks.token());
+    if (pair.find(eq) == 0) {
+      LOG(WARNING) << "Empty key: '" << pair << "'. Aborting.";
+      return false;
+    }
+    StringTokenizer keyvalue(pair, eq);
+    std::string key,value;
+    if (keyvalue.GetNext()) {
+      TrimString(keyvalue.token(), kQuoteChars, &key);
+      if (keyvalue.GetNext()) {
+        TrimString(keyvalue.token(), kQuoteChars, &value);
+        if (keyvalue.GetNext()) {
+          LOG(WARNING) << "Multiple key tokens: '" << pair << "'. Aborting.";
+          return false;
+        }
+      }
+    }
+    if (key.empty()) {
+      LOG(WARNING) << "Invalid token pair: '" << pair << "'. Aborting.";
+      return false;
+    }
+    AddNameValuePair(key, value);
+  }
+  return true;
+}
+
+bool NameValuePairsParser::GetSingleValueFromTool(int argc,
+                                                  const char* argv[],
+                                                  const std::string& key) {
+  CommandLine command_line(argc, argv);
+  std::string output_string;
+  // TODO(stevenjb,satorux): Make this non blocking: crosbug.com/5603.
+  base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join;
+  if (argc < 1 || !base::GetAppOutput(command_line, &output_string)) {
+    LOG(WARNING) << "Error excuting: " << command_line.command_line_string();
+    return false;
+  }
+  TrimWhitespaceASCII(output_string, TRIM_ALL, &output_string);
+  AddNameValuePair(key, output_string);
+  return true;
+}
+
+bool NameValuePairsParser::ParseNameValuePairsFromTool(
+    int argc,
+    const char* argv[],
+    const std::string& eq,
+    const std::string& delim) {
+  CommandLine command_line(argc, argv);
+  std::string output_string;
+  // TODO(stevenjb,satorux): Make this non blocking: crosbug.com/5603.
+  base::ThreadRestrictions::ScopedAllowIO allow_io_for_thread_join;
+  if (argc < 1 || !base::GetAppOutput(command_line, &output_string)) {
+    LOG(WARNING) << "Error excuting: " << command_line.command_line_string();
+    return false;
+  }
+  if (!ParseNameValuePairs(output_string, eq, delim)) {
+    LOG(WARNING) << "Error parsing values while excuting: "
+                 << command_line.command_line_string();
+    return false;
+  }
+  return true;
+}
+
+}  // namespace chromeos