skia2/bench/SkBenchLogger.h

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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkBenchLogger_DEFINED
#define SkBenchLogger_DEFINED
#include "SkTypes.h"
#include "SkString.h"
class SkFILEWStream;
/**
* Class that allows logging to a file while simultaneously logging to stdout/stderr.
*/
class SkBenchLogger {
public:
SkBenchLogger();
/**
* Not virtual, since this class is not intended to be subclassed.
*/
~SkBenchLogger();
/**
* Specify a file to write progress logs to. Unless this is called with a valid file path,
* SkBenchLogger will only write to stdout/stderr.
*/
bool SetLogFile(const char file[]);
/**
* Log an error to stderr, taking a C style string as input.
*/
void logError(const char msg[]) { this->nativeLogError(msg); }
/**
* Log an error to stderr, taking an SkString as input.
*/
void logError(const SkString& str) { this->nativeLogError(str.c_str()); }
/**
* Log the progress of the bench tool to both stdout and the log file specified by SetLogFile,
* if any, taking a C style string as input.
*/
void logProgress(const char msg[]) {
this->nativeLogProgress(msg);
this->fileWrite(msg, strlen(msg));
}
/**
* Log the progress of the bench tool to both stdout and the log file specified by SetLogFile,
* if any, taking an SkString as input.
*/
void logProgress(const SkString& str) {
this->nativeLogProgress(str.c_str());
this->fileWrite(str.c_str(), str.size());
}
private:
#ifdef SK_BUILD_FOR_ANDROID
void nativeLogError(const char msg[]) { SkDebugf("%s", msg); }
void nativeLogProgress(const char msg[]) { SkDebugf("%s", msg); }
#else
void nativeLogError(const char msg[]) { fprintf(stderr, "%s", msg); }
void nativeLogProgress(const char msg[]) { printf("%s", msg); }
#endif
void fileWrite(const char msg[], size_t size);
SkFILEWStream* fFileStream;
};
#endif // SkBenchLogger_DEFINED