1 files changed, 49 insertions, 0 deletions
diff --git a/chrome/browser/extensions/api/log_private/log_parser.h b/chrome/browser/extensions/api/log_private/log_parser.h
new file mode 100644
index 0000000..c73e54f
--- /dev/null
+++ b/chrome/browser/extensions/api/log_private/log_parser.h
@@ -0,0 +1,49 @@
+// Copyright 2013 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_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
+#define CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_
+
+#include <string>
+#include <vector>
+
+#include "base/memory/linked_ptr.h"
+#include "chrome/browser/extensions/api/log_private/filter_handler.h"
+#include "chrome/common/extensions/api/log_private.h"
+
+namespace extensions {
+
+// This is a abstract class of parsers for different logs.
+// All the specific parsers inherit from this class.
+class LogParser {
+ public:
+  enum Error {
+    SUCCESS = 0,
+    PARSE_ERROR = -1,
+    SERIALIZE_ERROR = -2,
+    TOKENIZE_ERROR = -3
+  };
+
+  virtual ~LogParser();
+  // Parses log text into multiple LogEntry objects.
+  void Parse(
+      const std::string& input,
+      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
+      FilterHandler* filter_handler) const;
+
+ protected:
+  explicit LogParser();
+  // Parses a single line of log text into one LogEntry object.
+  virtual Error ParseEntry(
+      const std::string& input,
+      std::vector<linked_ptr<api::log_private::LogEntry> >* output,
+      FilterHandler* filter_handler) const = 0;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(LogParser);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_LOG_PRIVATE_LOG_PARSER_H_