mirror of
https://github.com/SerenityOS/serenity
synced 2024-09-06 17:06:31 +00:00
242 lines
6.3 KiB
C++
242 lines
6.3 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/FlyString.h>
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#include <AK/LogStream.h>
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include <AK/StringView.h>
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#ifdef KERNEL
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# include <Kernel/Process.h>
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# include <Kernel/Thread.h>
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#endif
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#if !defined(KERNEL)
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# include <stdio.h>
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#endif
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namespace AK {
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const LogStream& operator<<(const LogStream& stream, const String& value)
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{
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stream.write(value.characters(), value.length());
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return stream;
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}
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const LogStream& operator<<(const LogStream& stream, const FlyString& value)
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{
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return stream << value.view();
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}
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const LogStream& operator<<(const LogStream& stream, const StringView& value)
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{
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stream.write(value.characters_without_null_termination(), value.length());
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return stream;
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}
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const LogStream& operator<<(const LogStream& stream, int value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%d", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, long value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%ld", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, long long value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%lld", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, unsigned value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%u", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, unsigned long long value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%llu", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, unsigned long value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%lu", value);
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return stream << buffer;
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}
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const LogStream& operator<<(const LogStream& stream, const void* value)
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{
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char buffer[32];
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snprintf(buffer, sizeof(buffer), "%p", value);
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return stream << buffer;
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}
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#if defined(__serenity__) && !defined(KERNEL)
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static TriState got_process_name = TriState::Unknown;
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static char process_name_buffer[256];
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#endif
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DebugLogStream dbg()
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{
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DebugLogStream stream;
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// FIXME: This logic is redundant with the stuff in Format.cpp.
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#if defined(__serenity__) && !defined(KERNEL)
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if (got_process_name == TriState::Unknown) {
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if (get_process_name(process_name_buffer, sizeof(process_name_buffer)) == 0)
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got_process_name = TriState::True;
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else
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got_process_name = TriState::False;
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}
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if (got_process_name == TriState::True)
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stream << "\033[33;1m" << process_name_buffer << '(' << getpid() << ")\033[0m: ";
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#endif
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#if defined(__serenity__) && defined(KERNEL)
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if (Kernel::Processor::is_initialized() && Kernel::Thread::current())
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stream << "\033[34;1m[" << *Kernel::Thread::current() << "]\033[0m: ";
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else
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stream << "\033[36;1m[Kernel]\033[0m: ";
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#endif
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return stream;
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}
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#ifdef KERNEL
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KernelLogStream klog()
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{
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KernelLogStream stream;
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if (Kernel::Processor::is_initialized() && Kernel::Thread::current())
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stream << "\033[34;1m[" << *Kernel::Thread::current() << "]\033[0m: ";
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else
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stream << "\033[36;1m[Kernel]\033[0m: ";
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return stream;
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}
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#else
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DebugLogStream klog()
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{
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return dbg();
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}
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#endif
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#ifdef KERNEL
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KernelLogStream::~KernelLogStream()
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{
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if (!empty()) {
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char newline = '\n';
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write(&newline, 1);
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kernelputstr(reinterpret_cast<char*>(data()), size());
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}
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}
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#endif
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DebugLogStream::~DebugLogStream()
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{
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if (!empty() && s_enabled) {
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char newline = '\n';
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write(&newline, 1);
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dbgputstr(reinterpret_cast<char*>(data()), size());
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}
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}
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void DebugLogStream::set_enabled(bool enabled)
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{
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s_enabled = enabled;
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}
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bool DebugLogStream::is_enabled()
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{
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return s_enabled;
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}
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bool DebugLogStream::s_enabled = true;
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#ifndef KERNEL
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const LogStream& operator<<(const LogStream& stream, double value)
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{
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return stream << String::format("%.4f", value);
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}
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const LogStream& operator<<(const LogStream& stream, float value)
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{
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return stream << String::format("%.4f", value);
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}
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#endif
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void dump_bytes(ReadonlyBytes bytes)
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{
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StringBuilder builder;
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u8 buffered_byte = 0;
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size_t nrepeat = 0;
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const char* prefix = "";
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auto flush = [&]() {
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if (nrepeat > 0) {
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if (nrepeat == 1)
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builder.appendf("%s0x%02x", prefix, static_cast<int>(buffered_byte));
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else
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builder.appendf("%s%zu * 0x%02x", prefix, nrepeat, static_cast<int>(buffered_byte));
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nrepeat = 0;
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prefix = ", ";
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}
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};
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builder.append("{ ");
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for (auto byte : bytes) {
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if (nrepeat > 0) {
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if (byte != buffered_byte)
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flush();
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buffered_byte = byte;
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nrepeat++;
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} else {
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buffered_byte = byte;
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nrepeat = 1;
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}
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}
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flush();
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builder.append(" }");
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dbg() << builder.to_string();
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}
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}
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