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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "Firestore/core/src/firebase/firestore/util/log.h"
#import <FirebaseCore/FIRLogger.h>
#import <Foundation/Foundation.h>
#include <string>
namespace firebase {
namespace firestore {
namespace util {
namespace {
// Translates a C format string to the equivalent NSString without making a
// copy.
NSString* FormatString(const char* format) {
return [[NSString alloc] initWithBytesNoCopy:(void*)format
length:strlen(format)
encoding:NSUTF8StringEncoding
freeWhenDone:NO];
}
// Translates a C++ LogLevel to the equivalent Objective-C FIRLoggerLevel
FIRLoggerLevel ToFIRLoggerLevel(LogLevel level) {
switch (level) {
case kLogLevelVerbose: // fall through
case kLogLevelDebug:
return FIRLoggerLevelDebug;
case kLogLevelInfo:
return FIRLoggerLevelInfo;
case kLogLevelWarning:
return FIRLoggerLevelWarning;
case kLogLevelError:
return FIRLoggerLevelError;
default:
// Unsupported log level. FIRSetLoggerLevel will deal with it.
return static_cast<FIRLoggerLevel>(-1);
}
}
} // namespace
void LogSetLevel(LogLevel level) {
FIRSetLoggerLevel(ToFIRLoggerLevel(level));
}
LogLevel LogGetLevel() {
// We return the true log level. True log level is what the SDK used to
// determine whether to log instead of what parameter is used in the last call
// of LogSetLevel().
if (FIRIsLoggableLevel(FIRLoggerLevelInfo, NO)) {
if (FIRIsLoggableLevel(FIRLoggerLevelDebug, NO)) {
// FIRLoggerLevelMax is actually kLogLevelDebug right now. We do not check
// further.
return kLogLevelDebug;
} else {
return kLogLevelInfo;
}
} else {
if (FIRIsLoggableLevel(FIRLoggerLevelWarning, NO)) {
return kLogLevelWarning;
} else {
return kLogLevelError;
}
}
}
void LogDebug(const char* format, ...) {
va_list list;
va_start(list, format);
FIRLogBasic(FIRLoggerLevelDebug, kFIRLoggerFirestore, @"I-FST000001",
FormatString(format), list);
va_end(list);
}
void LogInfo(const char* format, ...) {
va_list list;
va_start(list, format);
FIRLogBasic(FIRLoggerLevelInfo, kFIRLoggerFirestore, @"I-FST000001",
FormatString(format), list);
va_end(list);
}
void LogWarning(const char* format, ...) {
va_list list;
va_start(list, format);
FIRLogBasic(FIRLoggerLevelWarning, kFIRLoggerFirestore, @"I-FST000001",
FormatString(format), list);
va_end(list);
}
void LogError(const char* format, ...) {
va_list list;
va_start(list, format);
FIRLogBasic(FIRLoggerLevelError, kFIRLoggerFirestore, @"I-FST000001",
FormatString(format), list);
va_end(list);
}
void LogMessageV(LogLevel log_level, const char* format, va_list args) {
FIRLogBasic(ToFIRLoggerLevel(log_level), kFIRLoggerFirestore, @"I-FST000001",
FormatString(format), args);
}
void LogMessage(LogLevel log_level, const char* format, ...) {
va_list list;
va_start(list, format);
LogMessageV(log_level, format, list);
va_end(list);
}
} // namespace util
} // namespace firestore
} // namespace firebase
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