RASCSI/cpp/protobuf_util.cpp

104 lines
2.8 KiB
C++
Raw Normal View History

//---------------------------------------------------------------------------
//
// SCSI Target Emulator RaSCSI Reloaded
// for Raspberry Pi
//
// Copyright (C) 2021-2022 Uwe Seimet
//
//---------------------------------------------------------------------------
#include "log.h"
#include "rascsi_interface.pb.h"
#include "protobuf_serializer.h"
#include "protobuf_util.h"
#include <sstream>
using namespace std;
using namespace rascsi_interface;
#define FPRT(fp, ...) fprintf(fp, __VA_ARGS__ )
static const char COMPONENT_SEPARATOR = ':';
static const char KEY_VALUE_SEPARATOR = '=';
void protobuf_util::ParseParameters(PbDeviceDefinition& device, const string& params)
{
if (params.empty()) {
return;
}
// Old style parameters, for backwards compatibility only.
// Only one of these parameters will be used by rascsi, depending on the device type.
if (params.find(KEY_VALUE_SEPARATOR) == string::npos) {
SetParam(device, "file", params);
if (params != "bridge" && params != "daynaport" && params != "printer" && params != "services") {
SetParam(device, "interfaces", params);
}
return;
}
stringstream ss(params);
string p;
while (getline(ss, p, COMPONENT_SEPARATOR)) {
if (!p.empty()) {
const size_t separator_pos = p.find(KEY_VALUE_SEPARATOR);
if (separator_pos != string::npos) {
SetParam(device, p.substr(0, separator_pos), string_view(p).substr(separator_pos + 1));
}
}
}
}
string protobuf_util::GetParam(const PbCommand& command, const string& key)
{
const auto& it = command.params().find(key);
return it != command.params().end() ? it->second : "";
}
string protobuf_util::GetParam(const PbDeviceDefinition& device, const string& key)
{
const auto& it = device.params().find(key);
return it != device.params().end() ? it->second : "";
}
void protobuf_util::SetParam(PbCommand& command, const string& key, string_view value)
{
if (!key.empty() && !value.empty()) {
auto& map = *command.mutable_params();
map[key] = value;
}
}
void protobuf_util::SetParam(PbDevice& device, const string& key, string_view value)
{
if (!key.empty() && !value.empty()) {
auto& map = *device.mutable_params();
map[key] = value;
}
}
void protobuf_util::SetParam(PbDeviceDefinition& device, const string& key, string_view value)
{
if (!key.empty() && !value.empty()) {
auto& map = *device.mutable_params();
map[key] = value;
}
}
void protobuf_util::SetPatternParams(PbCommand& command, string_view patterns)
{
string folder_pattern;
string file_pattern;
if (const size_t separator_pos = patterns.find(COMPONENT_SEPARATOR); separator_pos != string::npos) {
folder_pattern = patterns.substr(0, separator_pos);
file_pattern = patterns.substr(separator_pos + 1);
}
else {
file_pattern = patterns;
}
SetParam(command, "folder_pattern", folder_pattern);
SetParam(command, "file_pattern", file_pattern);
}