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// Copyright 2014 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 "debug.h"
#include <stdlib.h>
#include <iostream>
#include <string>
namespace relocation_packer {
// Construct a new message logger. Prints if level is less than or equal to
// the level set with SetVerbose() and predicate is true.
Logger::Logger(Severity severity, int level, bool predicate) {
severity_ = severity;
level_ = level;
predicate_ = predicate;
}
// On destruction, flush and print the strings accumulated. Abort if FATAL.
Logger::~Logger() {
if (predicate_) {
if (level_ <= max_level_) {
std::ostream* log = severity_ == INFO ? info_stream_ : error_stream_;
std::string tag;
switch (severity_) {
case INFO: tag = "INFO"; break;
case WARNING: tag = "WARNING"; break;
case ERROR: tag = "ERROR"; break;
case FATAL: tag = "FATAL"; break;
}
stream_.flush();
*log << tag << ": " << stream_.str() << std::endl;
}
if (severity_ == FATAL)
abort();
}
}
// Reset to initial state.
void Logger::Reset() {
max_level_ = -1;
info_stream_ = &std::cout;
error_stream_ = &std::cerr;
}
// Verbosity. Not thread-safe.
int Logger::max_level_ = -1;
// Logging streams. Not thread-safe.
std::ostream* Logger::info_stream_ = &std::cout;
std::ostream* Logger::error_stream_ = &std::cerr;
} // namespace relocation_packer
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