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#include "HexFile.hpp"
#include <sstream>
#include <boost/filesystem/fstream.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/ini_parser.hpp>
namespace fs = boost::filesystem;
namespace pt = boost::property_tree;
namespace Slic3r {
namespace Utils {
static HexFile::DeviceKind parse_device_kind(const std::string &str)
{
if (str == "mk2") { return HexFile::DEV_MK2; }
else if (str == "mk3") { return HexFile::DEV_MK3; }
else if (str == "mm-control") { return HexFile::DEV_MM_CONTROL; }
else { return HexFile::DEV_GENERIC; }
}
static size_t hex_num_sections(fs::ifstream &file)
{
file.seekg(0);
if (! file.good()) {
return 0;
}
static const char *hex_terminator = ":00000001FF\r";
size_t res = 0;
std::string line;
while (getline(file, line, '\n').good()) {
// Account for LF vs CRLF
if (!line.empty() && line.back() != '\r') {
line.push_back('\r');
}
if (line == hex_terminator) {
res++;
}
}
return res;
}
HexFile::HexFile(fs::path path) :
path(std::move(path))
{
fs::ifstream file(this->path);
if (! file.good()) {
return;
}
std::string line;
std::stringstream header_ini;
while (std::getline(file, line, '\n').good()) {
if (line.empty()) {
continue;
}
// Account for LF vs CRLF
if (!line.empty() && line.back() == '\r') {
line.pop_back();
}
if (line.front() == ';') {
line.front() = ' ';
header_ini << line << std::endl;
} else if (line.front() == ':') {
break;
}
}
pt::ptree ptree;
try {
pt::read_ini(header_ini, ptree);
} catch (std::exception &e) {
return;
}
bool has_device_meta = false;
const auto device = ptree.find("device");
if (device != ptree.not_found()) {
this->device = parse_device_kind(device->second.data());
has_device_meta = true;
}
const auto model_id = ptree.find("model_id");
if (model_id != ptree.not_found()) {
this->model_id = model_id->second.data();
}
if (! has_device_meta) {
// No device metadata, look at the number of 'sections'
if (hex_num_sections(file) == 2) {
// Looks like a pre-metadata l10n firmware for the MK3, assume that's the case
this->device = DEV_MK3;
}
}
}
}
}
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