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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include "JsonPrinter.hpp"
#include <iomanip>
#include <iostream>
#include <sstream>
namespace armnn
{
void JsonPrinter::PrintJsonChildObject(const JsonChildObject& object, size_t& id)
{
if (object.GetType() == JsonObjectType::Event)
{
// Increase the Id for new events. This ensures a new event has a unique ID and any measurements belonging
// to the event have the same id. This id is appended to the name during the call to PrintLabel() below.
id++;
}
PrintLabel(object.m_Label, id);
PrintType(object.m_Type);
if (!object.m_Measurements.empty() || !object.m_Children.empty())
{
PrintSeparator();
PrintNewLine();
}
if (object.GetType() == JsonObjectType::Measurement)
{
PrintMeasurementsList(object.m_Measurements);
PrintSeparator();
PrintNewLine();
PrintUnit(object.m_Unit);
}
if (!object.m_Children.empty())
{
for (unsigned int childIndex = 0; childIndex < object.m_Children.size(); ++childIndex)
{
PrintJsonChildObject(object.m_Children[childIndex], id);
// Only print separator and new line if current child is not the last element.
if (&object.m_Children[childIndex] != &object.m_Children.back())
{
PrintSeparator();
PrintNewLine();
}
}
}
PrintNewLine();
PrintFooter();
}
void JsonPrinter::PrintHeader()
{
m_OutputStream << "{" << std::endl;
IncrementNumberOfTabs();
}
void JsonPrinter::PrintArmNNHeader()
{
PrintTabs();
m_OutputStream << R"("ArmNN": {)" << std::endl;
IncrementNumberOfTabs();
}
std::string JsonPrinter::MakeKey(const std::string& label, size_t id)
{
std::stringstream ss;
ss << label << std::string("_#") << id;
return ss.str();
}
void JsonPrinter::PrintLabel(const std::string& label, size_t id)
{
PrintTabs();
m_OutputStream << R"(")" << MakeKey(label, id) << R"(": {)" << std::endl;
IncrementNumberOfTabs();
}
void JsonPrinter::PrintUnit(armnn::Measurement::Unit unit)
{
PrintTabs();
m_OutputStream << R"("unit": ")";
m_OutputStream << armnn::Measurement::ToString(unit);
m_OutputStream << R"(")";
}
void JsonPrinter::PrintType(armnn::JsonObjectType type)
{
auto ToString = [](armnn::JsonObjectType type)
{
switch (type)
{
case JsonObjectType::Measurement:
{
return "Measurement";
}
case JsonObjectType::Event:
{
return "Event";
}
default:
{
return "Unknown";
}
}
};
PrintTabs();
m_OutputStream << R"("type": ")";
m_OutputStream << ToString(type);
m_OutputStream << R"(")";
}
void JsonPrinter::PrintMeasurementsList(const std::vector<double>& measurementsVector)
{
if (measurementsVector.empty())
{
return;
}
PrintTabs();
m_OutputStream << R"("raw": [)" << std::endl;
IncrementNumberOfTabs();
PrintTabs();
auto iter = measurementsVector.begin();
m_OutputStream << *iter;
for (iter = std::next(iter); iter != measurementsVector.end(); ++iter)
{
m_OutputStream << "," << std::endl;
PrintTabs();
m_OutputStream << *iter;
}
m_OutputStream << std::endl;
DecrementNumberOfTabs();
PrintTabs();
m_OutputStream << "]";
}
void JsonPrinter::PrintTabs()
{
unsigned int numTabs = m_NumTabs;
while (numTabs-- > 0)
{
m_OutputStream << "\t";
}
}
void JsonPrinter::PrintSeparator()
{
m_OutputStream << ",";
}
void JsonPrinter::PrintNewLine()
{
m_OutputStream << std::endl;
}
void JsonPrinter::PrintFooter()
{
DecrementNumberOfTabs();
PrintTabs();
m_OutputStream << "}";
}
void JsonPrinter::DecrementNumberOfTabs()
{
if (m_NumTabs == 0)
{
return;
}
--m_NumTabs;
}
void JsonPrinter::IncrementNumberOfTabs()
{
++m_NumTabs;
}
} // namespace armnn
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