N64FlashcartMenu/src/menu/settings.c

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#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <libdragon.h>
#include "flashcart/flashcart.h"
#include "libs/toml/toml.h"
#include "boot/boot.h"
#include "settings.h"
void settings_load_from_file (settings_t *settings) {
FILE *fp = NULL;
char error_buffer[256];
printf("Loading settings file %s\n", SC64_SETTINGS_FILEPATH);
wait_ms(1000);
fp = fopen(SC64_SETTINGS_FILEPATH, "r");
if (!fp) {
printf("Error loading config file %s\n", SC64_SETTINGS_FILEPATH);
// generate a default config file.
printf("Creating a new one!");
wait_ms(10000);
//assertf(!fp, "Couldn't open toml config file: %s", SC64_SETTINGS_FILEPATH);
settings_save_default_state();
}
toml_table_t *conf = toml_parse_file(fp, error_buffer, sizeof(error_buffer));
if (!conf) {
printf("Error parsing config: %s\n", error_buffer);
wait_ms(10000);
printf("Attempt a repair!");
settings_validate();
printf("Creating a new one!");
settings_save_default_state();
//assertf(!conf, "Couldn't parse toml config: %s", error_buffer); // TODO: work out why and handle appropriately.
}
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//fclose(fp);
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assertf(!fclose(fp), "Couldn't close toml config file"); // TODO: work out why and handle appropriately.
fp = NULL;
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// Handle last_rom
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toml_table_t *last_rom = toml_table_in(conf, "last_rom");
if (!last_rom) {
printf("Missing '[last_rom]' header in config\n");
wait_ms(10000);
}
else {
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toml_datum_t rom_path = toml_string_in(last_rom, "rom_path");
if (!rom_path.ok) {
printf("Couldn't read 'rom_path' value in config\n");
wait_ms(10000);
}
else {
printf("Found rom path: %s\n", rom_path.u.s);
settings->last_rom.rom_path = rom_path.u.s;
}
toml_datum_t save_path = toml_string_in(last_rom, "save_path");
if (!save_path.ok) {
printf("Couldn't read 'save_path' value in config\n");
wait_ms(10000);
}
else {
printf("Found save path: %s\n", save_path.u.s );
settings->last_rom.save_path = save_path.u.s;
}
toml_datum_t tmp_save_type = toml_int_in(last_rom, "save_type");
if (!tmp_save_type.ok) {
printf("Couldn't read 'save_type' value in config\n");
wait_ms(10000);
}
else {
assertf((int)tmp_save_type.u.i < __FLASHCART_SAVE_TYPE_END, "Invalid save type in config file");
printf("Found save type: %d\n", (int)tmp_save_type.u.i );
settings->last_rom.save_type = (int)tmp_save_type.u.i;
}
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}
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// Handle last_state
toml_table_t* last_state = toml_table_in(conf, "last_state");
if (!last_state) {
printf("Missing '[last_state]' header in config\n");
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wait_ms(10000);
}
else {
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// toml_datum_t current_directory = toml_string_in(last_state, "current_directory");
// if (!current_directory.ok) {
// printf("Couldn't read 'current_directory' value in config\n");
// printf("Defaulting to root directory.\n");
// settings->last_state.current_directory = "sd://";
// wait_ms(5000);
// }
// else {
// printf("Found current directory: %s\n", current_directory.u.s );
// settings->last_state.current_directory = current_directory.u.s;
// }
// toml_datum_t tmp_auto_load_last_rom = toml_bool_in(last_state, "auto_load");
// if (!tmp_auto_load_last_rom.ok) {
// printf("Couldn't read 'auto_load' value in config\n");
// printf("Defaulting to false.\n");
// wait_ms(5000);
// settings->last_state.auto_load_last_rom = false;
// }
// else {
// printf("Found autoload: %s\n", tmp_auto_load_last_rom.u.b ? "true" : "false");
// settings->last_state.auto_load_last_rom = tmp_auto_load_last_rom.u.b;
// }
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}
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// Handle boot_params
toml_table_t* boot_params = toml_table_in(conf, "boot_params");
if (!boot_params) {
printf("Missing '[boot_params]' header in config\n");
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wait_ms(10000);
}
else {
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}
toml_free(conf);
}
void settings_save(void) {
// TODO: if there is a failure, validate or write the default state.
FILE *fp = NULL;
printf("Saving settings file %s\n", SC64_SETTINGS_FILEPATH);
wait_ms(1000);
fp = fopen(SC64_SETTINGS_FILEPATH, "w");
// TODO: convert and save the state to TOML
fclose(fp);
assertf(!fclose(fp), "Couldn't close toml settings file"); // TODO: work out why and handle appropriately.
fp = NULL;
}
void settings_load_default_state(settings_t *settings) {
// Happens on init
// TODO: should also happen as a last resort
// Mainly if the file does not exist, or is corrupted beyond repair.
//#ifdef SETTINGS_SCHEMA_VERSION 1
settings->last_rom.rom_path = "";
settings->last_rom.save_path = "";
settings->last_rom.save_type = FLASHCART_SAVE_TYPE_NONE;
settings->last_rom.save_writeback = false;
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settings->last_state.current_directory = "/"; // This must not include the trailing slash on dirs!
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settings->last_state.auto_load_last_rom = false;
settings->boot_params.device_type = BOOT_DEVICE_TYPE_ROM;
settings->boot_params.reset_type = BOOT_RESET_TYPE_NMI;
settings->boot_params.detect_tv_type = true;
settings->boot_params.detect_cic_seed = true;
//#endif
}
void settings_save_default_state(void) {
}
void settings_validate(void) {
// TODO: should validate against a file schema.
// Must take into account that the settings will change in future, so should be backwards compatible.
}