Index: chrome/installer/util/experiment_labels.h |
diff --git a/chrome/installer/util/experiment_labels.h b/chrome/installer/util/experiment_labels.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..9a05798cdb92e7584ad9c19e86c8accc26df0421 |
--- /dev/null |
+++ b/chrome/installer/util/experiment_labels.h |
@@ -0,0 +1,59 @@ |
+// Copyright 2017 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. |
+ |
+#ifndef CHROME_INSTALLER_UTIL_EXPERIMENT_LABELS_H_ |
+#define CHROME_INSTALLER_UTIL_EXPERIMENT_LABELS_H_ |
+ |
+#include <utility> |
+ |
+#include "base/macros.h" |
+#include "base/strings/string16.h" |
+#include "base/strings/string_piece.h" |
+#include "base/time/time.h" |
+ |
+namespace installer { |
+ |
+// A wrapper around an Omaha "experiment_labels" value. No validation is |
+// performed on any values. |
+class ExperimentLabels { |
+ public: |
+ explicit ExperimentLabels(const base::string16& value); |
+ |
+ // Returns the experiment_labels string containing the individual labels. |
+ const base::string16& value() const { return value_; } |
+ |
+ // Returns the value for a given label, or an empty StringPiece if it is not |
+ // present in the instance's value. |
+ base::StringPiece16 GetValueForLabel(base::StringPiece16 label_name) const; |
Patrick Monette
2017/05/08 15:27:48
Maybe note that ExperimentLabels must outlive the
grt (UTC plus 2)
2017/05/08 20:15:26
Done.
|
+ |
+ // Sets the value of a given label, overwriting a previous value if found. |
+ // The label's expiration date is set to the current time plus |lifetime|. |
+ // (A note for the future: if deleting labels is ever needed, this could be |
+ // extended to delete if |lifetime| is zero. |
Patrick Monette
2017/05/08 15:27:48
I'm not a fan of this comment. If this is ever nee
grt (UTC plus 2)
2017/05/08 20:15:26
Funny, I had the same thought earlier today -- it'
|
+ void SetValueForLabel(base::StringPiece16 label_name, |
+ base::StringPiece16 label_value, |
+ base::TimeDelta lifetime); |
+ |
+ // Sets the value of a given label, overwriting a previous value if found. |
+ void SetValueForLabel(base::StringPiece16 label_name, |
+ base::StringPiece16 label_value, |
+ base::Time expiration); |
+ |
+ private: |
+ // A label's full contents ("name=value|exp") and value within |value_|. |
Patrick Monette
2017/05/08 15:27:48
s/exp/expiration
grt (UTC plus 2)
2017/05/08 20:15:26
Done.
|
+ using LabelAndValue = std::pair<base::StringPiece16, base::StringPiece16>; |
+ |
+ // Returns the label and value nameed |label_name|, or empty string pieces if |
Patrick Monette
2017/05/08 15:27:48
s/nameed/named
grt (UTC plus 2)
2017/05/08 20:15:26
Nice catch! Done.
|
+ // not found. |
+ LabelAndValue FindLabel(base::StringPiece16 label_name) const; |
+ |
+ // The raw experiment_labels string. |
+ base::string16 value_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(ExperimentLabels); |
+}; |
+ |
+} // namespace installer |
+ |
+#endif // CHROME_INSTALLER_UTIL_EXPERIMENT_LABELS_H_ |