[picodrive.git] / platform / common / config_file.c

/*
 * Human-readable config file management for PicoDrive
 * (C) notaz, 2008-2010
 *
 * This work is licensed under the terms of MAME license.
 * See COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef __EPOC32__
#include <unistd.h>
#endif

#include "../libpicofe/input.h"
#include "../libpicofe/plat.h"
#include "../libpicofe/lprintf.h"
#include "config_file.h"

static char *mystrip(char *str);

#ifndef _MSC_VER

#include "menu_pico.h"
#include "emu.h"
#include <pico/pico.h>

// always output DOS endlines
#ifdef _WIN32
#define NL "\n"
#else
#define NL "\r\n"
#endif

static int seek_sect(FILE *f, const char *section)
{
	char line[128], *tmp;
	int len;

	len = strlen(section);
	// seek to the section needed
	while (!feof(f))
	{
		tmp = fgets(line, sizeof(line), f);
		if (tmp == NULL) break;

		if (line[0] != '[') continue; // not section start
		if (strncmp(line + 1, section, len) == 0 && line[len+1] == ']')
			return 1; // found it
	}

	return 0;
}

static void keys_write(FILE *fn, int dev_id, const int *binds)
{
	char act[48];
	int key_count = 0, k, i;

	in_get_config(dev_id, IN_CFG_BIND_COUNT, &key_count);

	for (k = 0; k < key_count; k++)
	{
		const char *name;
		int mask;
		act[0] = act[31] = 0;

		name = in_get_key_name(dev_id, k);

		for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
			mask = me_ctrl_actions[i].mask;
			if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
				strncpy(act, me_ctrl_actions[i].name, 31);
				fprintf(fn, "bind %s = player1 %s" NL, name, mystrip(act));
			}
			mask = me_ctrl_actions[i].mask << 16;
			if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
				strncpy(act, me_ctrl_actions[i].name, 31);
				fprintf(fn, "bind %s = player2 %s" NL, name, mystrip(act));
			}
		}

		for (i = 0; emuctrl_actions[i].name != NULL; i++) {
			mask = emuctrl_actions[i].mask;
			if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)]) {
				strncpy(act, emuctrl_actions[i].name, 31);
				fprintf(fn, "bind %s = %s" NL, name, mystrip(act));
			}
		}
	}
}

int config_write(const char *fname)
{
	FILE *fn = NULL;
	menu_entry *me;
	int t;
	char line[128];

	fn = fopen(fname, "w");
	if (fn == NULL)
		return -1;

	for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
	{
		int dummy;
		if (!me->need_to_save || !me->enabled)
			continue;
		if (me->name == NULL || me->name[0] == 0)
			continue;

		if (me->beh == MB_OPT_ONOFF || me->beh == MB_OPT_CUSTONOFF) {
			fprintf(fn, "%s = %i" NL, me->name, (*(int *)me->var & me->mask) ? 1 : 0);
		}
		else if (me->beh == MB_OPT_RANGE || me->beh == MB_OPT_CUSTRANGE) {
			fprintf(fn, "%s = %i" NL, me->name, *(int *)me->var);
		}
		else if (me->beh == MB_OPT_ENUM && me->data != NULL) {
			const char **names = (const char **)me->data;
			for (t = 0; names[t] != NULL; t++) {
				if (*(int *)me->var == t) {
					strncpy(line, names[t], sizeof(line));
					goto write_line;
				}
			}
		}
		else if (me->generate_name != NULL) {
			strncpy(line, me->generate_name(0, &dummy), sizeof(line));
			goto write_line;
		}
		else
			lprintf("config: unhandled write: %i\n", me->id);
		continue;

write_line:
		line[sizeof(line) - 1] = 0;
		mystrip(line);
		fprintf(fn, "%s = %s" NL, me->name, line);
	}

	/* input: save binds */
	for (t = 0; t < IN_MAX_DEVS; t++)
	{
		const int *binds = in_get_dev_binds(t);
		const char *name = in_get_dev_name(t, 0, 0);
		int count = 0;

		if (binds == NULL || name == NULL)
			continue;

		fprintf(fn, "binddev = %s" NL, name);

		in_get_config(t, IN_CFG_BIND_COUNT, &count);
		keys_write(fn, t, binds);
	}

	fprintf(fn, "Sound Volume = %i" NL, currentConfig.volume);

	fprintf(fn, NL);

	fclose(fn);
	return 0;
}

int config_writelrom(const char *fname)
{
	char line[128], *tmp, *optr = NULL;
	char *old_data = NULL;
	int size;
	FILE *f;

	if (strlen(rom_fname_loaded) == 0) return -1;

	f = fopen(fname, "r");
	if (f != NULL)
	{
		fseek(f, 0, SEEK_END);
		size = ftell(f);
		fseek(f, 0, SEEK_SET);
		old_data = malloc(size + size/8);
		if (old_data != NULL)
		{
			optr = old_data;
			while (!feof(f))
			{
				tmp = fgets(line, sizeof(line), f);
				if (tmp == NULL) break;
				mystrip(line);
				if (strncasecmp(line, "LastUsedROM", 11) == 0)
					continue;
				sprintf(optr, "%s", line);
				optr += strlen(optr);
			}
		}
		fclose(f);
	}

	f = fopen(fname, "w");
	if (f == NULL) return -1;

	if (old_data != NULL) {
		fwrite(old_data, 1, optr - old_data, f);
		free(old_data);
	}
	fprintf(f, "LastUsedROM = %s" NL, rom_fname_loaded);
	fclose(f);
	return 0;
}

/* --------------------------------------------------------------------------*/

int config_readlrom(const char *fname)
{
	char line[128], *tmp;
	int i, len, ret = -1;
	FILE *f;

	f = fopen(fname, "r");
	if (f == NULL) return -1;

	// seek to the section needed
	while (!feof(f))
	{
		tmp = fgets(line, sizeof(line), f);
		if (tmp == NULL) break;

		if (strncasecmp(line, "LastUsedROM", 11) != 0) continue;
		len = strlen(line);
		for (i = 0; i < len; i++)
			if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
		tmp = strchr(line, '=');
		if (tmp == NULL) break;
		tmp++;
		mystrip(tmp);

		len = sizeof(rom_fname_loaded);
		strncpy(rom_fname_loaded, tmp, len);
		rom_fname_loaded[len-1] = 0;
		ret = 0;
		break;
	}
	fclose(f);
	return ret;
}

static int custom_read(menu_entry *me, const char *var, const char *val)
{
	char *tmp;

	switch (me->id)
	{
		case MA_OPT_FRAMESKIP:
			if (strcasecmp(var, "Frameskip") != 0) return 0;
			if (strcasecmp(val, "Auto") == 0)
			     currentConfig.Frameskip = -1;
			else currentConfig.Frameskip = atoi(val);
			return 1;

		case MA_OPT_SOUND_QUALITY:
			if (strcasecmp(var, "Sound Quality") != 0) return 0;
			PsndRate = strtoul(val, &tmp, 10);
			if (PsndRate < 8000 || PsndRate > 44100)
				PsndRate = 22050;
			if (*tmp == 'H' || *tmp == 'h') tmp++;
			if (*tmp == 'Z' || *tmp == 'z') tmp++;
			while (*tmp == ' ') tmp++;
			if        (strcasecmp(tmp, "stereo") == 0) {
				PicoOpt |=  POPT_EN_STEREO;
			} else if (strcasecmp(tmp, "mono") == 0) {
				PicoOpt &= ~POPT_EN_STEREO;
			} else
				return 0;
			return 1;

		case MA_OPT_REGION:
			if (strcasecmp(var, "Region") != 0) return 0;
			if       (strncasecmp(val, "Auto: ", 6) == 0)
			{
				const char *p = val + 5, *end = val + strlen(val);
				int i;
				PicoRegionOverride = PicoAutoRgnOrder = 0;
				for (i = 0; p < end && i < 3; i++)
				{
					while (*p == ' ') p++;
					if        (p[0] == 'J' && p[1] == 'P') {
						PicoAutoRgnOrder |= 1 << (i*4);
					} else if (p[0] == 'U' && p[1] == 'S') {
						PicoAutoRgnOrder |= 4 << (i*4);
					} else if (p[0] == 'E' && p[1] == 'U') {
						PicoAutoRgnOrder |= 8 << (i*4);
					}
					while (*p != ' ' && *p != 0) p++;
					if (*p == 0) break;
				}
			}
			else   if (strcasecmp(val, "Auto") == 0) {
				PicoRegionOverride = 0;
			} else if (strcasecmp(val, "Japan NTSC") == 0) {
				PicoRegionOverride = 1;
			} else if (strcasecmp(val, "Japan PAL") == 0) {
				PicoRegionOverride = 2;
			} else if (strcasecmp(val, "USA") == 0) {
				PicoRegionOverride = 4;
			} else if (strcasecmp(val, "Europe") == 0) {
				PicoRegionOverride = 8;
			} else
				return 0;
			return 1;

		case MA_32XOPT_MSH2_CYCLES:
			currentConfig.msh2_khz = atoi(val);
			Pico32xSetClocks(currentConfig.msh2_khz * 1000, 0);
			return 1;

		case MA_32XOPT_SSH2_CYCLES:
			currentConfig.ssh2_khz = atoi(val);
			Pico32xSetClocks(0, currentConfig.ssh2_khz * 1000);
			return 1;

		case MA_OPT2_GAMMA:
			currentConfig.gamma = atoi(val);
			return 1;

		/* PSP */
		case MA_OPT3_SCALE:
			if (strcasecmp(var, "Scale factor") != 0) return 0;
			currentConfig.scale = atof(val);
			return 1;
		case MA_OPT3_HSCALE32:
			if (strcasecmp(var, "Hor. scale (for low res. games)") != 0) return 0;
			currentConfig.hscale32 = atof(val);
			return 1;
		case MA_OPT3_HSCALE40:
			if (strcasecmp(var, "Hor. scale (for hi res. games)") != 0) return 0;
			currentConfig.hscale40 = atof(val);
			return 1;
		case MA_OPT3_VSYNC:
			// XXX: use enum
			if (strcasecmp(var, "Wait for vsync") != 0) return 0;
			if        (strcasecmp(val, "never") == 0) {
				currentConfig.EmuOpt &= ~0x12000;
			} else if (strcasecmp(val, "sometimes") == 0) {
				currentConfig.EmuOpt |=  0x12000;
			} else if (strcasecmp(val, "always") == 0) {
				currentConfig.EmuOpt &= ~0x12000;
				currentConfig.EmuOpt |=  0x02000;
			} else
				return 0;
			return 1;

		default:
			lprintf("unhandled custom_read %i: %s\n", me->id, var);
			return 0;
	}
}

static int parse_bind_val(const char *val, int *type)
{
	int i;

	*type = IN_BINDTYPE_NONE;
	if (val[0] == 0)
		return 0;
	
	if (strncasecmp(val, "player", 6) == 0)
	{
		int player, shift = 0;
		player = atoi(val + 6) - 1;

		if (player > 1)
			return -1;
		if (player == 1)
			shift = 16;

		*type = IN_BINDTYPE_PLAYER12;
		for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
			if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
				return me_ctrl_actions[i].mask << shift;
		}
	}
	for (i = 0; emuctrl_actions[i].name != NULL; i++) {
		if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
			*type = IN_BINDTYPE_EMU;
			return emuctrl_actions[i].mask;
		}
	}

	return -1;
}

static void keys_parse_all(FILE *f)
{
	char line[256], *var, *val;
	int dev_id = -1;
	int acts, type;
	int ret;

	while (!feof(f))
	{
		ret = config_get_var_val(f, line, sizeof(line), &var, &val);
		if (ret ==  0) break;
		if (ret == -1) continue;

		if (strcasecmp(var, "binddev") == 0) {
			dev_id = in_config_parse_dev(val);
			if (dev_id < 0) {
				printf("input: can't handle dev: %s\n", val);
				continue;
			}
			in_unbind_all(dev_id, -1, -1);
			continue;
		}
		if (dev_id < 0 || strncasecmp(var, "bind ", 5) != 0)
			continue;

		acts = parse_bind_val(val, &type);
		if (acts == -1) {
			lprintf("config: unhandled action \"%s\"\n", val);
			continue;
		}

		mystrip(var + 5);
		in_config_bind_key(dev_id, var + 5, acts, type);
	}
}

static void parse(const char *var, const char *val, int *keys_encountered)
{
	menu_entry *me;
	int tmp;

	if (strcasecmp(var, "LastUsedROM") == 0)
		return; /* handled elsewhere */

	if (strncasecmp(var, "bind", 4) == 0) {
		*keys_encountered = 1;
		return; /* handled elsewhere */
	}

	if (strcasecmp(var, "Sound Volume") == 0) {
		currentConfig.volume = atoi(val);
		return;
	}

	for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
	{
		char *p;

		if (!me->need_to_save)
			continue;
		if (me->name == NULL || strcasecmp(var, me->name) != 0)
			continue;

		if (me->beh == MB_OPT_ONOFF) {
			tmp = strtol(val, &p, 0);
			if (*p != 0)
				goto bad_val;
			if (tmp) *(int *)me->var |=  me->mask;
			else     *(int *)me->var &= ~me->mask;
			return;
		}
		else if (me->beh == MB_OPT_RANGE) {
			tmp = strtol(val, &p, 0);
			if (*p != 0)
				goto bad_val;
			if (tmp < me->min) tmp = me->min;
			if (tmp > me->max) tmp = me->max;
			*(int *)me->var = tmp;
			return;
		}
		else if (me->beh == MB_OPT_ENUM) {
			const char **names, *p1;
			int i;

			names = (const char **)me->data;
			if (names == NULL)
				goto bad_val;
			for (i = 0; names[i] != NULL; i++) {
				for (p1 = names[i]; *p1 == ' '; p1++)
					;
				if (strcasecmp(p1, val) == 0) {
					*(int *)me->var = i;
					return;
				}
			}
			goto bad_val;
		}
		else if (custom_read(me, var, val))
			return;
	}

	lprintf("config_readsect: unhandled var: \"%s\"\n", var);
	return;

bad_val:
	lprintf("config_readsect: unhandled val for \"%s\": \"%s\"\n", var, val);
}

int config_readsect(const char *fname, const char *section)
{
	char line[128], *var, *val;
	int keys_encountered = 0;
	FILE *f;
	int ret;

	f = fopen(fname, "r");
	if (f == NULL) return -1;

	if (section != NULL)
	{
		/* for game_def.cfg only */
		ret = seek_sect(f, section);
		if (!ret) {
			lprintf("config_readsect: %s: missing section [%s]\n", fname, section);
			fclose(f);
			return -1;
		}
	}

	emu_set_defconfig();

	while (!feof(f))
	{
		ret = config_get_var_val(f, line, sizeof(line), &var, &val);
		if (ret ==  0) break;
		if (ret == -1) continue;

		parse(var, val, &keys_encountered);
	}

	if (keys_encountered) {
		rewind(f);
		keys_parse_all(f);
	}

	fclose(f);

	lprintf("config_readsect: loaded from %s", fname);
	if (section != NULL)
		lprintf(" [%s]", section);
	printf("\n");

	return 0;
}

#endif // _MSC_VER

static char *mystrip(char *str)
{
	int i, len;

	len = strlen(str);
	for (i = 0; i < len; i++)
		if (str[i] != ' ') break;
	if (i > 0) memmove(str, str + i, len - i + 1);

	len = strlen(str);
	for (i = len - 1; i >= 0; i--)
		if (str[i] != ' ') break;
	str[i+1] = 0;

	return str;
}

/* returns:
 *  0 - EOF, end
 *  1 - parsed ok
 * -1 - failed to parse line
 */
int config_get_var_val(void *file, char *line, int lsize, char **rvar, char **rval)
{
	char *var, *val, *tmp;
	FILE *f = file;
	int len, i;

	tmp = fgets(line, lsize, f);
	if (tmp == NULL) return 0;

	if (line[0] == '[') return 0; // other section

	// strip comments, linefeed, spaces..
	len = strlen(line);
	for (i = 0; i < len; i++)
		if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
	mystrip(line);
	len = strlen(line);
	if (len <= 0) return -1;;

	// get var and val
	for (i = 0; i < len; i++)
		if (line[i] == '=') break;
	if (i >= len || strchr(&line[i+1], '=') != NULL) {
		lprintf("config_readsect: can't parse: %s\n", line);
		return -1;
	}
	line[i] = 0;
	var = line;
	val = &line[i+1];
	mystrip(var);
	mystrip(val);

#ifndef _MSC_VER
	if (strlen(var) == 0 || (strlen(val) == 0 && strncasecmp(var, "bind", 4) != 0)) {
		lprintf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
		return -1;;
	}
#endif

	*rvar = var;
	*rval = val;
	return 1;
}
Commit	Line	Data
835e7900	1	/*
835e7900	2	* Human-readable config file management for PicoDrive
cff531af	3	* (C) notaz, 2008-2010
	4	*
	5	* This work is licensed under the terms of MAME license.
	6	* See COPYING file in the top-level directory.
835e7900	7	*/
835e7900	8
4609d0cd	9	#include <stdio.h>
835e7900	10	#include <string.h>
835e7900	11	#include <stdlib.h>
f8af9634	12	#ifdef __EPOC32__
ca482e5d	13	#include <unistd.h>
ca482e5d	14	#endif
e743be20	15
	16	#include "../libpicofe/input.h"
	17	#include "../libpicofe/plat.h"
	18	#include "../libpicofe/lprintf.h"
39e6f973	19	#include "config_file.h"
4609d0cd	20
	21	static char mystrip(char str);
	22
	23	#ifndef _MSC_VER
	24
21ebcfd3	25	#include "menu_pico.h"
835e7900	26	#include "emu.h"
efcba75f	27	#include <pico/pico.h>
835e7900	28
823b9004	29	// always output DOS endlines
	30	#ifdef _WIN32
	31	#define NL "\n"
	32	#else
7b802576	33	#define NL "\r\n"
823b9004	34	#endif
835e7900	35
835e7900	36	static int seek_sect(FILE f, const char section)
	37	{
	38	char line[128], *tmp;
	39	int len;
	40
	41	len = strlen(section);
	42	// seek to the section needed
	43	while (!feof(f))
	44	{
	45	tmp = fgets(line, sizeof(line), f);
	46	if (tmp == NULL) break;
	47
	48	if (line[0] != '[') continue; // not section start
	49	if (strncmp(line + 1, section, len) == 0 && line[len+1] == ']')
	50	return 1; // found it
	51	}
	52
	53	return 0;
	54	}
	55
504e2f56	56	static void keys_write(FILE fn, int dev_id, const int binds)
1ca2ea4f	57	{
7e4c661a	58	char act[48];
45285368	59	int key_count = 0, k, i;
7e4c661a	60
45285368	61	in_get_config(dev_id, IN_CFG_BIND_COUNT, &key_count);
1ca2ea4f	62
093b8a42	63	for (k = 0; k < key_count; k++)
1ca2ea4f	64	{
7e4c661a	65	const char *name;
504e2f56	66	int mask;
1ca2ea4f	67	act[0] = act[31] = 0;
7e4c661a	68
093b8a42	69	name = in_get_key_name(dev_id, k);
ca482e5d	70
67b7b971	71	for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
093b8a42	72	mask = me_ctrl_actions[i].mask;
	73	if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
	74	strncpy(act, me_ctrl_actions[i].name, 31);
504e2f56	75	fprintf(fn, "bind %s = player1 %s" NL, name, mystrip(act));
093b8a42	76	}
	77	mask = me_ctrl_actions[i].mask << 16;
	78	if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
bdec53c9	79	strncpy(act, me_ctrl_actions[i].name, 31);
504e2f56	80	fprintf(fn, "bind %s = player2 %s" NL, name, mystrip(act));
1ca2ea4f	81	}
1ca2ea4f	82	}
1ca2ea4f	83
bdec53c9	84	for (i = 0; emuctrl_actions[i].name != NULL; i++) {
093b8a42	85	mask = emuctrl_actions[i].mask;
093b8a42	86	if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)]) {
bdec53c9	87	strncpy(act, emuctrl_actions[i].name, 31);
504e2f56	88	fprintf(fn, "bind %s = %s" NL, name, mystrip(act));
bdec53c9	89	}
bdec53c9	90	}
1ca2ea4f	91	}
	92	}
	93
504e2f56	94	int config_write(const char *fname)
dabe23b6	95	{
504e2f56	96	FILE *fn = NULL;
835e7900	97	menu_entry *me;
504e2f56	98	int t;
504e2f56	99	char line[128];
c46ffd31	100
504e2f56	101	fn = fopen(fname, "w");
504e2f56	102	if (fn == NULL)
835e7900	103	return -1;
835e7900	104
fcdefcf6	105	for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
835e7900	106	{
713c9224	107	int dummy;
504e2f56	108	if (!me->need_to_save \|\| !me->enabled)
fcdefcf6	109	continue;
45285368	110	if (me->name == NULL \|\| me->name[0] == 0)
45285368	111	continue;
fcdefcf6	112
dabe23b6	113	if (me->beh == MB_OPT_ONOFF \|\| me->beh == MB_OPT_CUSTONOFF) {
504e2f56	114	fprintf(fn, "%s = %i" NL, me->name, ((int )me->var & me->mask) ? 1 : 0);
fcdefcf6	115	}
fcdefcf6	116	else if (me->beh == MB_OPT_RANGE \|\| me->beh == MB_OPT_CUSTRANGE) {
504e2f56	117	fprintf(fn, "%s = %i" NL, me->name, (int )me->var);
fcdefcf6	118	}
	119	else if (me->beh == MB_OPT_ENUM && me->data != NULL) {
	120	const char names = (const char )me->data;
504e2f56	121	for (t = 0; names[t] != NULL; t++) {
504e2f56	122	if ((int )me->var == t) {
fcdefcf6	123	strncpy(line, names[t], sizeof(line));
	124	goto write_line;
	125	}
504e2f56	126	}
fcdefcf6	127	}
45285368	128	else if (me->generate_name != NULL) {
504e2f56	129	strncpy(line, me->generate_name(0, &dummy), sizeof(line));
504e2f56	130	goto write_line;
fcdefcf6	131	}
	132	else
	133	lprintf("config: unhandled write: %i\n", me->id);
	134	continue;
	135
	136	write_line:
	137	line[sizeof(line) - 1] = 0;
	138	mystrip(line);
	139	fprintf(fn, "%s = %s" NL, me->name, line);
835e7900	140	}
1ca2ea4f	141
7e4c661a	142	/* input: save binds */
	143	for (t = 0; t < IN_MAX_DEVS; t++)
	144	{
	145	const int *binds = in_get_dev_binds(t);
713c9224	146	const char *name = in_get_dev_name(t, 0, 0);
45285368	147	int count = 0;
7e4c661a	148
	149	if (binds == NULL \|\| name == NULL)
	150	continue;
	151
504e2f56	152	fprintf(fn, "binddev = %s" NL, name);
7e4c661a	153
45285368	154	in_get_config(t, IN_CFG_BIND_COUNT, &count);
504e2f56	155	keys_write(fn, t, binds);
7e4c661a	156	}
7e4c661a	157
504e2f56	158	fprintf(fn, "Sound Volume = %i" NL, currentConfig.volume);
7b802576	159
835e7900	160	fprintf(fn, NL);
835e7900	161
835e7900	162	fclose(fn);
	163	return 0;
	164	}
	165
835e7900	166	int config_writelrom(const char *fname)
	167	{
	168	char line[128], tmp, optr = NULL;
	169	char *old_data = NULL;
	170	int size;
	171	FILE *f;
	172
713c9224	173	if (strlen(rom_fname_loaded) == 0) return -1;
835e7900	174
	175	f = fopen(fname, "r");
	176	if (f != NULL)
	177	{
	178	fseek(f, 0, SEEK_END);
	179	size = ftell(f);
	180	fseek(f, 0, SEEK_SET);
	181	old_data = malloc(size + size/8);
	182	if (old_data != NULL)
	183	{
	184	optr = old_data;
	185	while (!feof(f))
	186	{
	187	tmp = fgets(line, sizeof(line), f);
	188	if (tmp == NULL) break;
	189	mystrip(line);
	190	if (strncasecmp(line, "LastUsedROM", 11) == 0)
	191	continue;
	192	sprintf(optr, "%s", line);
	193	optr += strlen(optr);
	194	}
	195	}
	196	fclose(f);
	197	}
	198
	199	f = fopen(fname, "w");
	200	if (f == NULL) return -1;
	201
	202	if (old_data != NULL) {
	203	fwrite(old_data, 1, optr - old_data, f);
	204	free(old_data);
	205	}
713c9224	206	fprintf(f, "LastUsedROM = %s" NL, rom_fname_loaded);
835e7900	207	fclose(f);
	208	return 0;
	209	}
	210
1ca2ea4f	211	/* --------------------------------------------------------------------------*/
	212
	213	int config_readlrom(const char *fname)
	214	{
	215	char line[128], *tmp;
	216	int i, len, ret = -1;
	217	FILE *f;
	218
	219	f = fopen(fname, "r");
	220	if (f == NULL) return -1;
	221
	222	// seek to the section needed
	223	while (!feof(f))
	224	{
	225	tmp = fgets(line, sizeof(line), f);
	226	if (tmp == NULL) break;
	227
	228	if (strncasecmp(line, "LastUsedROM", 11) != 0) continue;
	229	len = strlen(line);
	230	for (i = 0; i < len; i++)
	231	if (line[i] == '#' \|\| line[i] == '\r' \|\| line[i] == '\n') { line[i] = 0; break; }
	232	tmp = strchr(line, '=');
	233	if (tmp == NULL) break;
	234	tmp++;
	235	mystrip(tmp);
	236
713c9224	237	len = sizeof(rom_fname_loaded);
	238	strncpy(rom_fname_loaded, tmp, len);
	239	rom_fname_loaded[len-1] = 0;
1ca2ea4f	240	ret = 0;
	241	break;
	242	}
	243	fclose(f);
	244	return ret;
	245	}
	246
835e7900	247	static int custom_read(menu_entry me, const char var, const char *val)
	248	{
	249	char *tmp;
835e7900	250
	251	switch (me->id)
	252	{
835e7900	253	case MA_OPT_FRAMESKIP:
	254	if (strcasecmp(var, "Frameskip") != 0) return 0;
	255	if (strcasecmp(val, "Auto") == 0)
	256	currentConfig.Frameskip = -1;
	257	else currentConfig.Frameskip = atoi(val);
	258	return 1;
	259
	260	case MA_OPT_SOUND_QUALITY:
	261	if (strcasecmp(var, "Sound Quality") != 0) return 0;
	262	PsndRate = strtoul(val, &tmp, 10);
	263	if (PsndRate < 8000 \|\| PsndRate > 44100)
	264	PsndRate = 22050;
21ecaf23	265	if (tmp == 'H' \|\| tmp == 'h') tmp++;
21ecaf23	266	if (tmp == 'Z' \|\| tmp == 'z') tmp++;
835e7900	267	while (*tmp == ' ') tmp++;
835e7900	268	if (strcasecmp(tmp, "stereo") == 0) {
602133e1	269	PicoOpt \|= POPT_EN_STEREO;
835e7900	270	} else if (strcasecmp(tmp, "mono") == 0) {
602133e1	271	PicoOpt &= ~POPT_EN_STEREO;
835e7900	272	} else
	273	return 0;
	274	return 1;
	275
	276	case MA_OPT_REGION:
	277	if (strcasecmp(var, "Region") != 0) return 0;
	278	if (strncasecmp(val, "Auto: ", 6) == 0)
	279	{
	280	const char p = val + 5, end = val + strlen(val);
	281	int i;
	282	PicoRegionOverride = PicoAutoRgnOrder = 0;
c46ffd31	283	for (i = 0; p < end && i < 3; i++)
	284	{
	285	while (*p == ' ') p++;
835e7900	286	if (p[0] == 'J' && p[1] == 'P') {
	287	PicoAutoRgnOrder \|= 1 << (i*4);
	288	} else if (p[0] == 'U' && p[1] == 'S') {
	289	PicoAutoRgnOrder \|= 4 << (i*4);
	290	} else if (p[0] == 'E' && p[1] == 'U') {
	291	PicoAutoRgnOrder \|= 8 << (i*4);
	292	}
c46ffd31	293	while (p != ' ' && p != 0) p++;
c46ffd31	294	if (*p == 0) break;
835e7900	295	}
	296	}
	297	else if (strcasecmp(val, "Auto") == 0) {
	298	PicoRegionOverride = 0;
	299	} else if (strcasecmp(val, "Japan NTSC") == 0) {
	300	PicoRegionOverride = 1;
	301	} else if (strcasecmp(val, "Japan PAL") == 0) {
	302	PicoRegionOverride = 2;
	303	} else if (strcasecmp(val, "USA") == 0) {
	304	PicoRegionOverride = 4;
	305	} else if (strcasecmp(val, "Europe") == 0) {
	306	PicoRegionOverride = 8;
	307	} else
	308	return 0;
	309	return 1;
	310
fcdefcf6	311	case MA_32XOPT_MSH2_CYCLES:
ed4402a7	312	currentConfig.msh2_khz = atoi(val);
	313	Pico32xSetClocks(currentConfig.msh2_khz * 1000, 0);
	314	return 1;
	315
	316	case MA_32XOPT_SSH2_CYCLES:
	317	currentConfig.ssh2_khz = atoi(val);
	318	Pico32xSetClocks(0, currentConfig.ssh2_khz * 1000);
fcdefcf6	319	return 1;
fcdefcf6	320
68af34fe	321	case MA_OPT2_GAMMA:
	322	currentConfig.gamma = atoi(val);
	323	return 1;
	324
6fc57144	325	/* PSP */
	326	case MA_OPT3_SCALE:
	327	if (strcasecmp(var, "Scale factor") != 0) return 0;
	328	currentConfig.scale = atof(val);
	329	return 1;
	330	case MA_OPT3_HSCALE32:
	331	if (strcasecmp(var, "Hor. scale (for low res. games)") != 0) return 0;
	332	currentConfig.hscale32 = atof(val);
	333	return 1;
	334	case MA_OPT3_HSCALE40:
	335	if (strcasecmp(var, "Hor. scale (for hi res. games)") != 0) return 0;
	336	currentConfig.hscale40 = atof(val);
	337	return 1;
6fc57144	338	case MA_OPT3_VSYNC:
fcdefcf6	339	// XXX: use enum
6fc57144	340	if (strcasecmp(var, "Wait for vsync") != 0) return 0;
	341	if (strcasecmp(val, "never") == 0) {
	342	currentConfig.EmuOpt &= ~0x12000;
	343	} else if (strcasecmp(val, "sometimes") == 0) {
	344	currentConfig.EmuOpt \|= 0x12000;
	345	} else if (strcasecmp(val, "always") == 0) {
	346	currentConfig.EmuOpt &= ~0x12000;
	347	currentConfig.EmuOpt \|= 0x02000;
	348	} else
	349	return 0;
	350	return 1;
	351
835e7900	352	default:
fcdefcf6	353	lprintf("unhandled custom_read %i: %s\n", me->id, var);
835e7900	354	return 0;
	355	}
	356	}
	357
093b8a42	358	static int parse_bind_val(const char val, int type)
7e4c661a	359	{
	360	int i;
	361
093b8a42	362	*type = IN_BINDTYPE_NONE;
7e4c661a	363	if (val[0] == 0)
	364	return 0;
	365
	366	if (strncasecmp(val, "player", 6) == 0)
	367	{
093b8a42	368	int player, shift = 0;
7e4c661a	369	player = atoi(val + 6) - 1;
093b8a42	370
7e4c661a	371	if (player > 1)
7e4c661a	372	return -1;
093b8a42	373	if (player == 1)
093b8a42	374	shift = 16;
7e4c661a	375
093b8a42	376	*type = IN_BINDTYPE_PLAYER12;
67b7b971	377	for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
7e4c661a	378	if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
093b8a42	379	return me_ctrl_actions[i].mask << shift;
7e4c661a	380	}
	381	}
	382	for (i = 0; emuctrl_actions[i].name != NULL; i++) {
093b8a42	383	if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
093b8a42	384	*type = IN_BINDTYPE_EMU;
7e4c661a	385	return emuctrl_actions[i].mask;
093b8a42	386	}
7e4c661a	387	}
	388
	389	return -1;
	390	}
	391
504e2f56	392	static void keys_parse_all(FILE *f)
1ca2ea4f	393	{
504e2f56	394	char line[256], var, val;
504e2f56	395	int dev_id = -1;
093b8a42	396	int acts, type;
504e2f56	397	int ret;
1ca2ea4f	398
504e2f56	399	while (!feof(f))
	400	{
	401	ret = config_get_var_val(f, line, sizeof(line), &var, &val);
	402	if (ret == 0) break;
	403	if (ret == -1) continue;
1ca2ea4f	404
504e2f56	405	if (strcasecmp(var, "binddev") == 0) {
	406	dev_id = in_config_parse_dev(val);
	407	if (dev_id < 0) {
	408	printf("input: can't handle dev: %s\n", val);
	409	continue;
	410	}
	411	in_unbind_all(dev_id, -1, -1);
	412	continue;
	413	}
	414	if (dev_id < 0 \|\| strncasecmp(var, "bind ", 5) != 0)
	415	continue;
7e4c661a	416
504e2f56	417	acts = parse_bind_val(val, &type);
	418	if (acts == -1) {
	419	lprintf("config: unhandled action \"%s\"\n", val);
9db6a544	420	continue;
504e2f56	421	}
7e4c661a	422
504e2f56	423	mystrip(var + 5);
	424	in_config_bind_key(dev_id, var + 5, acts, type);
	425	}
7e4c661a	426	}
7e4c661a	427
504e2f56	428	static void parse(const char var, const char val, int *keys_encountered)
835e7900	429	{
835e7900	430	menu_entry *me;
fcdefcf6	431	int tmp;
835e7900	432
1ca2ea4f	433	if (strcasecmp(var, "LastUsedROM") == 0)
	434	return; /* handled elsewhere */
	435
7e4c661a	436	if (strncasecmp(var, "bind", 4) == 0) {
504e2f56	437	*keys_encountered = 1;
	438	return; /* handled elsewhere */
	439	}
7e4c661a	440
504e2f56	441	if (strcasecmp(var, "Sound Volume") == 0) {
504e2f56	442	currentConfig.volume = atoi(val);
1ca2ea4f	443	return;
1ca2ea4f	444	}
7e4c661a	445
fcdefcf6	446	for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
835e7900	447	{
fcdefcf6	448	char *p;
fcdefcf6	449
713c9224	450	if (!me->need_to_save)
fcdefcf6	451	continue;
45285368	452	if (me->name == NULL \|\| strcasecmp(var, me->name) != 0)
45285368	453	continue;
fcdefcf6	454
45285368	455	if (me->beh == MB_OPT_ONOFF) {
	456	tmp = strtol(val, &p, 0);
	457	if (*p != 0)
fcdefcf6	458	goto bad_val;
45285368	459	if (tmp) (int )me->var \|= me->mask;
	460	else (int )me->var &= ~me->mask;
	461	return;
	462	}
	463	else if (me->beh == MB_OPT_RANGE) {
	464	tmp = strtol(val, &p, 0);
	465	if (*p != 0)
	466	goto bad_val;
	467	if (tmp < me->min) tmp = me->min;
	468	if (tmp > me->max) tmp = me->max;
	469	(int )me->var = tmp;
	470	return;
	471	}
	472	else if (me->beh == MB_OPT_ENUM) {
	473	const char *names, p1;
	474	int i;
	475
	476	names = (const char **)me->data;
	477	if (names == NULL)
	478	goto bad_val;
	479	for (i = 0; names[i] != NULL; i++) {
	480	for (p1 = names[i]; *p1 == ' '; p1++)
	481	;
	482	if (strcasecmp(p1, val) == 0) {
	483	(int )me->var = i;
	484	return;
	485	}
fcdefcf6	486	}
45285368	487	goto bad_val;
835e7900	488	}
45285368	489	else if (custom_read(me, var, val))
45285368	490	return;
835e7900	491	}
fcdefcf6	492
	493	lprintf("config_readsect: unhandled var: \"%s\"\n", var);
	494	return;
	495
	496	bad_val:
504e2f56	497	lprintf("config_readsect: unhandled val for \"%s\": \"%s\"\n", var, val);
1ca2ea4f	498	}
1ca2ea4f	499
835e7900	500	int config_readsect(const char fname, const char section)
835e7900	501	{
4609d0cd	502	char line[128], var, val;
504e2f56	503	int keys_encountered = 0;
1ca2ea4f	504	FILE *f;
4609d0cd	505	int ret;
835e7900	506
1ca2ea4f	507	f = fopen(fname, "r");
d6114368	508	if (f == NULL) return -1;
835e7900	509
	510	if (section != NULL)
	511	{
504e2f56	512	/* for game_def.cfg only */
835e7900	513	ret = seek_sect(f, section);
835e7900	514	if (!ret) {
c46ffd31	515	lprintf("config_readsect: %s: missing section [%s]\n", fname, section);
835e7900	516	fclose(f);
	517	return -1;
	518	}
	519	}
	520
504e2f56	521	emu_set_defconfig();
bdec53c9	522
835e7900	523	while (!feof(f))
835e7900	524	{
4609d0cd	525	ret = config_get_var_val(f, line, sizeof(line), &var, &val);
	526	if (ret == 0) break;
	527	if (ret == -1) continue;
835e7900	528
504e2f56	529	parse(var, val, &keys_encountered);
	530	}
	531
	532	if (keys_encountered) {
	533	rewind(f);
	534	keys_parse_all(f);
835e7900	535	}
	536
	537	fclose(f);
504e2f56	538
	539	lprintf("config_readsect: loaded from %s", fname);
	540	if (section != NULL)
	541	lprintf(" [%s]", section);
	542	printf("\n");
	543
835e7900	544	return 0;
	545	}
	546
4609d0cd	547	#endif // _MSC_VER
	548
	549	static char mystrip(char str)
	550	{
	551	int i, len;
	552
	553	len = strlen(str);
	554	for (i = 0; i < len; i++)
	555	if (str[i] != ' ') break;
	556	if (i > 0) memmove(str, str + i, len - i + 1);
	557
	558	len = strlen(str);
	559	for (i = len - 1; i >= 0; i--)
	560	if (str[i] != ' ') break;
	561	str[i+1] = 0;
	562
	563	return str;
	564	}
	565
	566	/* returns:
	567	* 0 - EOF, end
	568	* 1 - parsed ok
	569	* -1 - failed to parse line
	570	*/
	571	int config_get_var_val(void file, char line, int lsize, char rvar, char rval)
	572	{
	573	char var, val, *tmp;
	574	FILE *f = file;
	575	int len, i;
	576
	577	tmp = fgets(line, lsize, f);
	578	if (tmp == NULL) return 0;
	579
	580	if (line[0] == '[') return 0; // other section
	581
	582	// strip comments, linefeed, spaces..
	583	len = strlen(line);
	584	for (i = 0; i < len; i++)
	585	if (line[i] == '#' \|\| line[i] == '\r' \|\| line[i] == '\n') { line[i] = 0; break; }
	586	mystrip(line);
	587	len = strlen(line);
	588	if (len <= 0) return -1;;
	589
	590	// get var and val
	591	for (i = 0; i < len; i++)
	592	if (line[i] == '=') break;
	593	if (i >= len \|\| strchr(&line[i+1], '=') != NULL) {
	594	lprintf("config_readsect: can't parse: %s\n", line);
	595	return -1;
	596	}
	597	line[i] = 0;
	598	var = line;
	599	val = &line[i+1];
	600	mystrip(var);
	601	mystrip(val);
	602
	603	#ifndef _MSC_VER
	604	if (strlen(var) == 0 \|\| (strlen(val) == 0 && strncasecmp(var, "bind", 4) != 0)) {
	605	lprintf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
	606	return -1;;
	607	}
	608	#endif
	609
	610	*rvar = var;
611	*rval = val;
612	return 1;
613	}
614