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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ASH_ARC_TRACING_ARC_TRACING_EVENT_MATCHER_H_
#define CHROME_BROWSER_ASH_ARC_TRACING_ARC_TRACING_EVENT_MATCHER_H_
#include <stddef.h>
#include <stdint.h>
#include <map>
#include <optional>
#include <string>
namespace arc {
class ArcTracingEvent;
// Helper that allows to match events based on provided criteria.
class ArcTracingEventMatcher {
public:
ArcTracingEventMatcher();
~ArcTracingEventMatcher();
ArcTracingEventMatcher(const ArcTracingEventMatcher&) = delete;
ArcTracingEventMatcher& operator=(const ArcTracingEventMatcher&) = delete;
// Format category:name[*]?(arg_name=arg_value;..)
// For example:
// exo:Surface::Attach
// exo:Surface::Attach(buffer_id=0x7f9f5110690)
// android:HW_VSYNC_0|*
explicit ArcTracingEventMatcher(const std::string& data);
// Returns true in case |event| matches criteria set.
bool Match(const ArcTracingEvent& event) const;
std::optional<int64_t> ReadAndroidEventInt64(
const ArcTracingEvent& event) const;
// Sets the expected phase. Tested event does not match if its phase does not
// match |phase|. This is an optional criteria.
ArcTracingEventMatcher& SetPhase(char phase);
// Sets the expected category. Tested event does not match if its category
// does not match |category|. This is an optional criteria.
ArcTracingEventMatcher& SetCategory(const std::string& category);
// Sets the expected name. Tested event does not match if its name does not
// match |name|. This is an optional criteria.
ArcTracingEventMatcher& SetName(const std::string& name);
// Adds the expected argument. Tested event does not match if it does not
// contains the argument specified by |key| or argument does not match
// |value|.
ArcTracingEventMatcher& AddArgument(const std::string& key,
const std::string& value);
private:
// Defines the phase to match.
char phase_ = 0;
// Defines the category to match.
std::string category_;
// Defines the name to match.
std::string name_;
// If true, name_ is a prefix to match instead of the entire string.
bool name_prefix_match_ = false;
// Defines set of arguments to match if needed.
std::map<std::string, std::string> args_;
};
} // namespace arc
#endif // CHROME_BROWSER_ASH_ARC_TRACING_ARC_TRACING_EVENT_MATCHER_H_
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