riyyi
/
inferno
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

Implement nlohmann::json arbitrary type conversion for settings

master
Riyyi 3 years ago
parent
7042a42032
commit
adc0848a23
4 changed files with 79 additions and 66 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 28
      inferno/src/inferno/io/file.cpp
  2. 14
      inferno/src/inferno/io/file.h
  3. 87
      inferno/src/inferno/settings.cpp
  4. 16
      inferno/src/inferno/settings.h

28
inferno/src/inferno/io/file.cpp
Unescape View File

@ -9,28 +9,18 @@ namespace Inferno {
std::shared_ptr<char[]> File::raw(const std::string& path)
{
// Create input stream object and open file
std::ifstream ifstream(path);
ASSERT(ifstream.is_open(), "File could not open '{}'", path);
// Check if file exists
if (!ifstream.is_open()) {
return nullptr;
}
std::ifstream file(path);
ASSERT(file.is_open(), "File could not open '{}'", path);
// Get length of the file
int32_t length = File::length(path, ifstream);
// Check for valid file length
if (length == -1) {
return nullptr;
}
int32_t length = File::length(path, file);
// Allocate memory filled with zeros
auto buffer = std::shared_ptr<char[]>(new char[length + 1]);
// Fill buffer with file contents
ifstream.read(buffer.get(), length);
ifstream.close();
file.read(buffer.get(), length);
file.close();
// Null termination
buffer[length] = '\0';
@ -44,11 +34,11 @@ namespace Inferno {
return std::string(raw(path).get());
}
int32_t File::length(const std::string& path, std::ifstream& ifstream)
int32_t File::length(const std::string& path, std::ifstream& file)
{
ifstream.seekg(0, std::ios::end);
int32_t length = ifstream.tellg();
ifstream.seekg(0, std::ios::beg);
file.seekg(0, std::ios::end);
int32_t length = file.tellg();
file.seekg(0, std::ios::beg);
ASSERT(length != -1, "File could not determine length '{}'", path);
return length;

14
inferno/src/inferno/io/file.h
Unescape View File

@ -16,29 +16,29 @@ namespace Inferno {
public:
static std::shared_ptr<char[]> raw(const std::string& path);
static std::string read(const std::string& path);
static int32_t length(const std::string& path, std::ifstream& ifstream);
static int32_t length(const std::string& path, std::ifstream& file);
template<typename T>
static void ioRead(T& t, const std::string& path)
static void ioRead(T* t, const std::string& path)
{
std::ifstream file(path);
ASSERT(file.is_open(), "File could not open! {}", path.c_str());
ASSERT(file.is_open(), "File could not open '{}'", path);
if (file.is_open()) {
file >> t;
file >> *t;
file.close();
}
}
template<typename T>
static void ioWrite(T& t, const std::string& path)
static void ioWrite(T* t, const std::string& path)
{
std::ofstream file (path);
ASSERT(file.is_open(), "File could not open! {}", path.c_str());
ASSERT(file.is_open(), "File could not open! {}", path);
if (file.is_open()) {
// Write file with single tabs, nicely formatted
file << std::setfill ('\t') << std::setw(1) << t << std::endl;
file << std::setfill ('\t') << std::setw(1) << *t << std::endl;
file.close();
}
}

87
inferno/src/inferno/settings.cpp
Unescape View File

@ -5,67 +5,82 @@
#include "inferno/io/log.h"
#include "inferno/settings.h"
#include "inferno/util/json.h"
#include "inferno/window.h"
namespace Inferno {
const char* Settings::m_path = "assets/settings.json";
SettingsProperties Settings::m_properties = {};
const char* Settings::m_path { "assets/settings.json" };
SettingsProperties Settings::m_properties {};
void Settings::initialize()
{
Settings::update();
Settings::load();
info() << "Settings initialized";
}
void Settings::update()
void Settings::destroy()
{
nlohmann::json json;
Settings::load(json);
}
if (!Json::hasProperty(json, "window")) {
warn() << "Settings has no window section, using default values";
return;
void Settings::load()
{
json object;
try {
File::ioRead(&object, m_path);
}
catch (...) {
warn() << "Settings invalid formatting, using default values";
}
auto window = json["window"];
auto title = Json::parseStringProperty(window, "title", false);
auto width = Json::parseUnsignedProperty(window, "width", false);
auto height = Json::parseUnsignedProperty(window, "height", false);
auto fullscreen = Json::parseStringProperty(window, "fullscreen", false);
auto vsync = Json::parseBoolProperty(window, "vsync", false);
if (title) m_properties.window.title = title.value();
if (width) m_properties.window.width = width.value();
if (height) m_properties.window.height = height.value();
if (fullscreen) m_properties.window.fullscreen = fullscreen.value();
if (vsync) m_properties.window.vsync = vsync.value();
auto settings = Json::getPropertyValue<SettingsProperties>(object, json::value_t::object);
if (settings) {
m_properties = settings.value();
}
}
void Settings::destroy()
bool Settings::save()
{
json object = m_properties;
File::ioWrite(&object, m_path);
info() << "Settings saved";
return true;
}
bool Settings::load(nlohmann::json& json)
// -----------------------------------------
void to_json(json& object, const SettingsProperties& settings)
{
File::ioRead(json, m_path);
object = json {
{ "window", settings.window }
};
}
return true;
void from_json(const json& object, SettingsProperties& settings)
{
if (Json::hasProperty(object, "window")) object.at("window").get_to(settings.window);
}
bool Settings::save()
void to_json(json& object, const WindowProperties& window)
{
nlohmann::json json;
json["window"]["title"] = m_properties.window.title;
json["window"]["width"] = m_properties.window.width;
json["window"]["height"] = m_properties.window.height;
json["window"]["fullscreen"] = m_properties.window.fullscreen;
json["window"]["vsync"] = m_properties.window.vsync;
File::ioWrite(json, m_path);
info() << "Settings saved";
object = json {
{ "title", window.title },
{ "width", window.width },
{ "height", window.height },
{ "fullscreen", window.fullscreen },
{ "vsync", window.vsync },
};
}
return true;
void from_json(const json& object, WindowProperties& window)
{
if (Json::hasProperty(object, "title")) object.at("title").get_to(window.title);
if (Json::hasProperty(object, "width")) object.at("width").get_to(window.width);
if (Json::hasProperty(object, "height")) object.at("height").get_to(window.height);
if (Json::hasProperty(object, "fullscreen")) object.at("fullscreen").get_to(window.fullscreen);
if (Json::hasProperty(object, "vsync")) object.at("vsync").get_to(window.vsync);
}
}

16
inferno/src/inferno/settings.h
Unescape View File

@ -1,8 +1,7 @@
#ifndef SETTINGS_H
#define SETTINGS_H
#include "nlohmann/json.hpp"
#include "inferno/util/json.h"
#include "inferno/window.h"
namespace Inferno {
@ -14,10 +13,9 @@ namespace Inferno {
class Settings {
public:
static void initialize();
static void update();
static void destroy();
static bool load(nlohmann::json& json);
static void load();
static bool save();
static inline SettingsProperties& get() { return m_properties; }
@ -27,6 +25,16 @@ namespace Inferno {
static SettingsProperties m_properties;
};
// -----------------------------------------
// nlohmann::json arbitrary type conversion functions
void to_json(json& object, const SettingsProperties& settings);
void from_json(const json& object, SettingsProperties& settings);
void to_json(json& object, const WindowProperties& window);
void from_json(const json& object, WindowProperties& window);
}
#endif // SETTINGS_H

Write Preview
Loading…
Cancel
Save