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d399b12a9d
mii_emu/ui_gl/mii_mui_settings.c
Michel Pollet 5650323d05
Support Write Protect in Disk2 load dialog, etc 
Also fixes a crashing bug in cg.c, and various other bits.
2024-02-14 09:12:29 +00:00

391 lines
10 KiB
C
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/*
* mui_mui_settings.c
*
* Copyright (C) 2023 Michel Pollet <buserror@gmail.com>
*
* SPDX-License-Identifier: MIT
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include "mui.h"
#include "mii_mui_settings.h"
IMPLEMENT_C_ARRAY(mii_config_array);
mii_config_line_t *
mii_config_get_section(
mii_config_file_t * cf,
const char * section,
bool add )
{
mii_config_line_t * cl;
for (int i = 0; i < (int)cf->line.count; i++) {
cl = cf->line.e[i];
if (cl->section && !strcmp(cl->key, section))
return cl;
}
if (!add)
return NULL;
cl = calloc(1, sizeof(*cl) + strlen(section) + 3);
if (!cl)
return NULL;
cl->section = 1;
sprintf(cl->line, "[%s", section);
cl->key = cl->line + 1;
cl->number = cf->line.count;
mii_config_array_push(&cf->line, cl);
return cl;
}
mii_config_line_t *
mii_config_get(
mii_config_file_t * cf,
mii_config_line_t * section,
const char * key)
{
if (!cf || !section || !key)
return NULL;
for (int i = section->number + 1; i < (int)cf->line.count; i++) {
mii_config_line_t * cl = cf->line.e[i];
if (cl->section)
return NULL;
if (!strcmp(cl->key, key))
return cl;
}
return NULL;
}
mii_config_line_t *
mii_config_set(
mii_config_file_t * cf,
mii_config_line_t * section,
const char * key,
const char * value)
{
if (!cf || !section || !key)
return NULL;
mii_config_line_t * cl = mii_config_get(cf, section, key);
int idx = section->number + 1;
if (cl) {
if (value && cl->value && !strcmp(cl->value, value))
return cl;
idx = cl->number;
mii_config_array_delete(&cf->line, idx, 1);
free(cl);
}
cl = calloc(1, sizeof(*cl) + strlen(key) + strlen(value) + 3);
strcpy(cl->line, key);
// this wouldnt work if memory was not zeroes by calloc
strcpy(cl->line + strlen(key) + 1, value ? value : "");
cl->key = cl->line;
cl->value = cl->line + strlen(key) + 1;
mii_config_array_insert(&cf->line, idx, &cl, 1);
for (int i = idx; i < (int)cf->line.count; i++)
cf->line.e[i]->number = i;
return cl;
}
int
mii_config_file_load(
mii_config_file_t * cf,
const char * path )
{
int res = -1;
mii_config_array_clear(&cf->line);
FILE * f = fopen(path, "r");
if (!f)
return -1;
cf->path = strdup(path);
char line[512];
int n = 0;
while (fgets(line, sizeof(line), f)) {
int l = strlen(line);
while (l && (line[l-1] == '\n' || line[l-1] == ' ' || line[l-1] == '\t'))
line[--l] = 0;
mii_config_line_t * cl = calloc(1, sizeof(*cl) + l + 1);
if (!cl)
goto exit;
cl->number = n++;
strcpy(cl->line, line);
mii_config_array_push(&cf->line, cl);
char * s = cl->line;
while (isspace(*s))
s++;
if (*s == '#' || *s == ';' || *s == 0)
cl->ignore = 1; // comment or empty line
else if (*s == '[') {
char * d = s + 1;
char * e = strchr(d, ']');
if (e)
*e = 0;
cl->key = d;
cl->value = NULL;
cl->section = 1;
} else {
char * d = s;
char * k = strsep(&d, " =");
cl->key = k;
// we want a pointer to zero here if there's no value
cl->value = d ? d : s + strlen(s);
}
}
res = 0;
exit:
fclose(f);
return res;
}
// same as previous function, but write the file back
int
mii_settings_save(
mii_config_file_t * cf)
{
if (!cf || !cf->path)
return -1;
FILE * f = fopen(cf->path, "w");
if (!f)
return -1;
mii_config_line_t * cl;
for (int i = 0; i < (int)cf->line.count; i++) {
cl = cf->line.e[i];
if (cl->section)
fprintf(f, "[%s]\n", cl->key);
else if (cl->ignore)
fprintf(f, "%s\n", cl->line);
else
fprintf(f, "%s %s\n", cl->key, cl->value ? cl->value : "");
}
fclose(f);
return 0;
}
int
mii_settings_load(
mii_config_file_t * cf,
const char * path,
const char * file )
{
char * full_path = NULL;
if (path) {
asprintf(&full_path, "%s/%s", path, file);
} else {
full_path = strdup(file);
}
if (!full_path)
return -1;
int r = mii_config_file_load(cf, full_path);
free(full_path);
return r;
}
static const struct {
const char * name;
} mii_slot_driver[MII_SLOT_DRIVER_COUNT] = {
[MII_SLOT_DRIVER_NONE] = { "none", },
[MII_SLOT_DRIVER_SMARTPORT] = { "smartport", },
[MII_SLOT_DRIVER_DISK2] = { "disk2", },
[MII_SLOT_DRIVER_MOUSE] = { "mouse", },
[MII_SLOT_DRIVER_SUPERSERIAL] = { "ssc", },
[MII_SLOT_DRIVER_ROM1MB] = { "eecard", },
};
int
mii_emu_save(
mii_config_file_t * cf,
mii_machine_config_t * config )
{
if (!cf || !config)
return -1;
char label[64];
mii_config_line_t * section = mii_config_get_section(cf, "emu", true);
mii_config_set(cf, section, "titan",
config->titan_accelerator ? "1" : "0");
mii_config_set(cf, section, "no_slot_clock",
config->no_slot_clock ? "1" : "0");
mii_config_set(cf, section, "audio_muted",
config->audio_muted ? "1" : "0");
sprintf(label, "%d", config->video_mode);
mii_config_set(cf, section, "video_mode", label);
section = mii_config_get_section(cf, "joystick", true);
mii_config_set(cf, section, "device",
config->joystick.device);
for (int i = 0; i < 2; i++) {
sprintf(label, "%d", config->joystick.buttons[i]);
char name[32] = "button0";
name[6] += i;
mii_config_set(cf, section, name, label);
strcpy(name, "axis0");
name[4] += i;
sprintf(label, "%d", config->joystick.axes[i]);
mii_config_set(cf, section, name, label);
}
for (int i = 0; i < 7; i++) {
char key[32];
sprintf(key, "slot_%d", i+1);
section = mii_config_get_section(cf, key, true);
switch(config->slot[i].driver) {
case MII_SLOT_DRIVER_SMARTPORT:
mii_config_set(cf, section, "image0",
config->slot[i].conf.smartport.drive[0].disk);
sprintf(label, "%lu", config->slot[i].conf.smartport.drive[0].flags);
mii_config_set(cf, section, "flags0", label);
mii_config_set(cf, section, "image1",
config->slot[i].conf.smartport.drive[1].disk);
sprintf(label, "%lu", config->slot[i].conf.smartport.drive[1].flags);
mii_config_set(cf, section, "flags1", label);
break;
case MII_SLOT_DRIVER_DISK2:
mii_config_set(cf, section, "image0",
config->slot[i].conf.disk2.drive[0].disk);
sprintf(label, "%lu", config->slot[i].conf.disk2.drive[0].flags);
mii_config_set(cf, section, "flags0", label);
mii_config_set(cf, section, "wp0",
config->slot[i].conf.disk2.drive[0].wp ? "1" : "0");
mii_config_set(cf, section, "image1",
config->slot[i].conf.disk2.drive[1].disk);
sprintf(label, "%lu", config->slot[i].conf.disk2.drive[1].flags);
mii_config_set(cf, section, "flags1", label);
mii_config_set(cf, section, "wp1",
config->slot[i].conf.disk2.drive[1].wp ? "1" : "0");
break;
case MII_SLOT_DRIVER_SUPERSERIAL:
mii_config_set(cf, section, "device",
config->slot[i].conf.ssc.device);
break;
case MII_SLOT_DRIVER_ROM1MB:
mii_config_set(cf, section, "use_default",
config->slot[i].conf.rom1mb.use_default ? "1" : "0");
mii_config_set(cf, section, "image",
config->slot[i].conf.rom1mb.drive.disk);
break;
}
mii_config_set(cf, section, "driver",
mii_slot_driver[config->slot[i].driver].name);
}
mii_settings_save(cf);
return 0;
}
int
mii_emu_load(
mii_config_file_t * cf,
mii_machine_config_t * config )
{
if (!cf || !config)
return -1;
mii_config_line_t * section = mii_config_get_section(cf, "emu", false);
if (section) {
mii_config_line_t * cl = mii_config_get(cf, section, "titan");
if (cl)
config->titan_accelerator = atoi(cl->value);
cl = mii_config_get(cf, section, "no_slot_clock");
if (cl)
config->no_slot_clock = atoi(cl->value);
cl = mii_config_get(cf, section, "audio_muted");
if (cl)
config->audio_muted = !!atoi(cl->value);
cl = mii_config_get(cf, section, "video_mode");
if (cl)
config->video_mode = atoi(cl->value);
}
section = mii_config_get_section(cf, "joystick", false);
if (section) {
mii_config_line_t * cl = mii_config_get(cf, section, "device");
if (cl)
strcpy(config->joystick.device, cl->value);
for (int i = 0; i < 2; i++) {
char name[32] = "button0";
name[6] += i;
cl = mii_config_get(cf, section, name);
if (cl)
config->joystick.buttons[i] = atoi(cl->value);
strcpy(name, "axis0");
name[4] += i;
cl = mii_config_get(cf, section, name);
if (cl)
config->joystick.axes[i] = atoi(cl->value);
}
}
for (int i = 0; i < 7; i++) {
char key[32];
sprintf(key, "slot_%d", i+1);
section = mii_config_get_section(cf, key, false);
if (!section)
continue;
mii_config_line_t * cl = mii_config_get(cf, section, "driver");
if (!cl)
continue;
for (int j = 0; j < MII_SLOT_DRIVER_COUNT; j++) {
if (!strcmp(mii_slot_driver[j].name, cl->value)) {
config->slot[i].driver = j;
break;
}
}
switch (config->slot[i].driver) {
case MII_SLOT_DRIVER_SMARTPORT:
cl = mii_config_get(cf, section, "image0");
if (cl)
strcpy(config->slot[i].conf.smartport.drive[0].disk, cl->value);
cl = mii_config_get(cf, section, "flags0");
if (cl)
config->slot[i].conf.smartport.drive[0].flags = strtoul(cl->value, NULL, 0);
cl = mii_config_get(cf, section, "image1");
if (cl)
strcpy(config->slot[i].conf.smartport.drive[1].disk, cl->value);
cl = mii_config_get(cf, section, "flags1");
if (cl)
config->slot[i].conf.smartport.drive[1].flags = strtoul(cl->value, NULL, 0);
break;
case MII_SLOT_DRIVER_DISK2:
cl = mii_config_get(cf, section, "image0");
if (cl)
strcpy(config->slot[i].conf.disk2.drive[0].disk, cl->value);
cl = mii_config_get(cf, section, "flags0");
if (cl)
config->slot[i].conf.disk2.drive[0].flags = strtoul(cl->value, NULL, 0);
cl = mii_config_get(cf, section, "wp0");
if (cl)
config->slot[i].conf.disk2.drive[0].wp = !!strtoul(cl->value, NULL, 0);
cl = mii_config_get(cf, section, "image1");
if (cl)
strcpy(config->slot[i].conf.disk2.drive[1].disk, cl->value);
cl = mii_config_get(cf, section, "flags1");
if (cl)
config->slot[i].conf.disk2.drive[1].flags = strtoul(cl->value, NULL, 0);
cl = mii_config_get(cf, section, "wp1");
if (cl)
config->slot[i].conf.disk2.drive[1].wp = !!strtoul(cl->value, NULL, 0);
break;
case MII_SLOT_DRIVER_SUPERSERIAL:
cl = mii_config_get(cf, section, "device");
if (cl)
strcpy(config->slot[i].conf.ssc.device, cl->value);
break;
case MII_SLOT_DRIVER_ROM1MB:
cl = mii_config_get(cf, section, "use_default");
if (cl)
config->slot[i].conf.rom1mb.use_default = atoi(cl->value);
cl = mii_config_get(cf, section, "image");
if (cl)
strcpy(config->slot[i].conf.rom1mb.drive.disk, cl->value);
break;
}
}
return 0;
}
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