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[Core] Add WeexCore log bridge. (#2398)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| /** | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
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| #include "log_defines.h" | ||
| #include <string> | ||
| #include <array> | ||
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| #ifdef __ANDROID__ | ||
| #include <android/log.h> | ||
| #elif __APPLE__ | ||
| #include <os/log.h> | ||
| #endif | ||
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| #include "core/manager/weex_core_manager.h" | ||
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| namespace WeexCore { | ||
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| struct LogFlattenHelper { | ||
| LogFlattenHelper() : mLargeBuf() {} | ||
| LogFlattenHelper(const char *fmt, va_list args) : LogFlattenHelper() { | ||
| set(fmt, args); | ||
| } | ||
| ~LogFlattenHelper() { | ||
| if (mLargeBuf) | ||
| free(mLargeBuf); | ||
| } | ||
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| const char *str() const { return mLargeBuf ? mLargeBuf : mSmallBuf.data(); } | ||
| LogFlattenHelper &set(const char *fmt, va_list args); | ||
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| private: | ||
| LogFlattenHelper(const LogFlattenHelper &) = delete; | ||
| void operator=(const LogFlattenHelper &) = delete; | ||
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| std::array<char, 4096> mSmallBuf; | ||
| char *mLargeBuf; | ||
| }; | ||
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| LogFlattenHelper &LogFlattenHelper::set(const char *fmt, va_list args) { | ||
| va_list argsCopy; | ||
| va_copy(argsCopy, args); | ||
| int len = 1 + vsnprintf(nullptr, 0, fmt, argsCopy); | ||
| va_end(argsCopy); | ||
| if (len <= 1) { | ||
| mSmallBuf[0] = 0; | ||
| return *this; | ||
| } | ||
| if (len > (int)mSmallBuf.size()) | ||
| mLargeBuf = static_cast<char *>(malloc(len)); | ||
| int rv; | ||
| if (mLargeBuf) { | ||
| rv = vsnprintf(mLargeBuf, len, fmt, args); | ||
| } else { | ||
| rv = vsnprintf(mSmallBuf.data(), mSmallBuf.size(), fmt, args); | ||
| } | ||
| (void)rv; | ||
| return *this; | ||
| } | ||
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| void PrintLog(LogLevel level, const char* file, unsigned long line, const char* fmt, ...) { | ||
| va_list args; | ||
| va_start(args, fmt); | ||
| LogFlattenHelper log(fmt, args); | ||
| va_end(args); | ||
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| LogBridge* logBridge = WeexCore::WeexCoreManager::Instance()->get_log_bridge(); | ||
| if (logBridge) { | ||
| // Log to bridge | ||
| logBridge->log(level, file, line, log.str()); | ||
| } | ||
| else { | ||
| // Log to console by default | ||
| #ifdef __ANDROID__ | ||
| switch (level) { | ||
| case LogLevel::Error: | ||
| __android_log_print(ANDROID_LOG_ERROR, WEEX_CORE_LOG_TAG, "%s:%lu, %s", file, line, log.str()); | ||
| break; | ||
| case LogLevel::Warn: | ||
| __android_log_print(ANDROID_LOG_WARN, WEEX_CORE_LOG_TAG, "%s:%lu, %s", file, line, log.str()); | ||
| break; | ||
| case LogLevel::Info: | ||
| __android_log_print(ANDROID_LOG_INFO, WEEX_CORE_LOG_TAG, "%s:%lu, %s", file, line, log.str()); | ||
| break; | ||
| case LogLevel::Debug: | ||
| __android_log_print(ANDROID_LOG_DEBUG, WEEX_CORE_LOG_TAG, "%s:%lu, %s", file, line, log.str()); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| #elif __APPLE__ | ||
| switch (level) { | ||
| case LogLevel::Error: | ||
| os_log_error(OS_LOG_DEFAULT, "<%s:Error|%s:%lu> %s\n", WEEX_CORE_LOG_TAG, file, line, log.str()); | ||
| break; | ||
| case LogLevel::Warn: | ||
| os_log_error(OS_LOG_DEFAULT, "<%s:Warn|%s:%lu> %s\n", WEEX_CORE_LOG_TAG, file, line, log.str()); | ||
| break; | ||
| case LogLevel::Info: | ||
| os_log_info(OS_LOG_DEFAULT, "<%s:Info|%s:%lu> %s\n", WEEX_CORE_LOG_TAG, file, line, log.str()); | ||
| break; | ||
| case LogLevel::Debug: | ||
| os_log_debug(OS_LOG_DEFAULT, "<%s:Debug|%s:%lu> %s\n", WEEX_CORE_LOG_TAG, file, line, log.str()); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| #endif | ||
| } | ||
| } | ||
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| } |
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