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This commit is contained in:
Dan Paulat 2022-01-31 00:30:05 -06:00
parent 56cda08b0d
commit 9c2f86b00a
8 changed files with 510 additions and 3 deletions
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54
scwx-qt/source/scwx/qt/util/json.cpp
View file

@ -3,6 +3,8 @@
#include <fstream>
#include <boost/log/trivial.hpp>
#include <QFile>
#include <QTextStream>
namespace scwx
{
@ -27,6 +29,9 @@ static void PrettyPrintJson(std::ostream& os,
boost::json::value const& jv,
std::string* indent = nullptr);
static boost::json::value ReadJsonFile(QFile& file);
static boost::json::value ReadJsonStream(std::istream& is);
bool FromJsonInt64(const boost::json::object& json,
const std::string& key,
int64_t& value,
@ -117,13 +122,56 @@ bool FromJsonString(const boost::json::object& json,
boost::json::value ReadJsonFile(const std::string& path)
{
std::ifstream ifs {path};
std::string line;
boost::json::value json;
if (path.starts_with(":"))
{
QFile file(path.c_str());
json = ReadJsonFile(file);
}
else
{
std::ifstream ifs {path};
json = ReadJsonStream(ifs);
}
return json;
}
static boost::json::value ReadJsonFile(QFile& file)
{
boost::json::value json;
if (file.open(QIODevice::ReadOnly))
{
QTextStream jsonStream(&file);
jsonStream.setEncoding(QStringConverter::Utf8);
std::string jsonSource = jsonStream.readAll().toStdString();
std::istringstream is {jsonSource};
json = ReadJsonStream(is);
file.close();
}
else
{
BOOST_LOG_TRIVIAL(warning)
<< logPrefix_ << "Could not open file for reading: \""
<< file.fileName().toStdString() << "\"";
}
return json;
}
static boost::json::value ReadJsonStream(std::istream& is)
{
std::string line;
boost::json::stream_parser p;
boost::json::error_code ec;
while (std::getline(ifs, line))
while (std::getline(is, line))
{
p.write(line, ec);
if (ec)