mirror of https://github.com/xemu-project/xemu.git
152 lines
3.7 KiB
C++
152 lines
3.7 KiB
C++
/*
|
|
* xemu Settings Management
|
|
*
|
|
* Copyright (C) 2020-2021 Matt Borgerson
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include <stdlib.h>
|
|
#include <SDL_filesystem.h>
|
|
#include <string.h>
|
|
#include <stddef.h>
|
|
#include <stdbool.h>
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include <iostream>
|
|
#include <toml.hpp>
|
|
#include <cnode.h>
|
|
|
|
#include "xemu-settings.h"
|
|
#define DEFINE_CONFIG_TREE
|
|
#include "xemu-config.h"
|
|
|
|
struct config g_config;
|
|
static bool settings_failed_to_load = true;
|
|
static const char *filename = "xemu.toml";
|
|
static const char *settings_path;
|
|
|
|
static bool xemu_settings_detect_portable_mode(void)
|
|
{
|
|
bool val = false;
|
|
char *portable_path = g_strdup_printf("%s%s", SDL_GetBasePath(), filename);
|
|
FILE *tmpfile;
|
|
if ((tmpfile = qemu_fopen(portable_path, "r"))) {
|
|
fclose(tmpfile);
|
|
val = true;
|
|
}
|
|
|
|
free(portable_path);
|
|
return val;
|
|
}
|
|
|
|
void xemu_settings_set_path(const char *path)
|
|
{
|
|
assert(path != NULL);
|
|
assert(settings_path == NULL);
|
|
settings_path = path;
|
|
fprintf(stderr, "%s: config path: %s\n", __func__, settings_path);
|
|
}
|
|
|
|
const char *xemu_settings_get_path(void)
|
|
{
|
|
if (settings_path != NULL) {
|
|
return settings_path;
|
|
}
|
|
|
|
char *base = xemu_settings_detect_portable_mode()
|
|
? SDL_GetBasePath()
|
|
: SDL_GetPrefPath("xemu", "xemu");
|
|
assert(base != NULL);
|
|
settings_path = g_strdup_printf("%s%s", base, filename);
|
|
SDL_free(base);
|
|
fprintf(stderr, "%s: config path: %s\n", __func__, settings_path);
|
|
return settings_path;
|
|
}
|
|
|
|
const char *xemu_settings_get_default_eeprom_path(void)
|
|
{
|
|
static char *eeprom_path = NULL;
|
|
if (eeprom_path != NULL) {
|
|
return eeprom_path;
|
|
}
|
|
|
|
char *base = xemu_settings_detect_portable_mode()
|
|
? SDL_GetBasePath()
|
|
: SDL_GetPrefPath("xemu", "xemu");
|
|
assert(base != NULL);
|
|
eeprom_path = g_strdup_printf("%s%s", base, "eeprom.bin");
|
|
SDL_free(base);
|
|
return eeprom_path;
|
|
}
|
|
|
|
void xemu_settings_load(void)
|
|
{
|
|
FILE *fd;
|
|
size_t file_size = 0;
|
|
char *file_buf = NULL;
|
|
const char *settings_path = xemu_settings_get_path();
|
|
|
|
fd = qemu_fopen(settings_path, "rb");
|
|
if (!fd) {
|
|
fprintf(stderr, "Failed to open settings path %s for reading\n", settings_path);
|
|
goto out;
|
|
}
|
|
|
|
fseek(fd, 0, SEEK_END);
|
|
file_size = ftell(fd);
|
|
fseek(fd, 0, SEEK_SET);
|
|
file_buf = (char *)malloc(file_size + 1);
|
|
if (fread(file_buf, file_size, 1, fd) != 1) {
|
|
fprintf(stderr, "Failed to read settings\n");
|
|
fclose(fd);
|
|
fd = NULL;
|
|
free(file_buf);
|
|
file_buf = NULL;
|
|
goto out;
|
|
}
|
|
file_buf[file_size] = '\x00';
|
|
|
|
try
|
|
{
|
|
auto tbl = toml::parse(file_buf);
|
|
config_tree.update_from_table(tbl);
|
|
settings_failed_to_load = false;
|
|
}
|
|
catch (const toml::parse_error& err)
|
|
{
|
|
std::cerr
|
|
<< "Error parsing file '" << *err.source().path
|
|
<< "':\n" << err.description()
|
|
<< "\n (" << err.source().begin << ")\n";
|
|
}
|
|
|
|
out:
|
|
config_tree.store_to_struct(&g_config);
|
|
}
|
|
|
|
bool xemu_settings_did_fail_to_load(void)
|
|
{
|
|
return settings_failed_to_load;
|
|
}
|
|
|
|
void xemu_settings_save(void)
|
|
{
|
|
FILE *fd = qemu_fopen(xemu_settings_get_path(), "wb");
|
|
assert(fd != NULL);
|
|
config_tree.update_from_struct(&g_config);
|
|
fprintf(fd, "%s", config_tree.generate_delta_toml().c_str());
|
|
fclose(fd);
|
|
} |