mirror of
https://github.com/RaySollium99/libpicofe.git
synced 2025-09-05 06:47:45 -04:00
files for cfg stuff
git-svn-id: file:///home/notaz/opt/svn/PicoDrive/platform@391 be3aeb3a-fb24-0410-a615-afba39da0efa
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notaz
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2 changed files with 535 additions and 0 deletions
529
common/config.c
Normal file
529
common/config.c
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@ -0,0 +1,529 @@
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/*
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* Human-readable config file management for PicoDrive
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* (c)
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*/
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#include <string.h>
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#include <stdlib.h>
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#include "config.h"
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#include "menu.h"
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#include "emu.h"
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#include <Pico/Pico.h>
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extern menu_entry opt_entries[];
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extern menu_entry opt2_entries[];
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extern menu_entry cdopt_entries[];
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extern const int opt_entry_count;
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extern const int opt2_entry_count;
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extern const int cdopt_entry_count;
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static menu_entry *cfg_opts[] = { opt_entries, opt2_entries, cdopt_entries };
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static const int *cfg_opt_counts[] = { &opt_entry_count, &opt2_entry_count, &cdopt_entry_count };
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#define NL "\n"
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static int seek_sect(FILE *f, const char *section)
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{
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char line[128], *tmp;
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int len;
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len = strlen(section);
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// seek to the section needed
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while (!feof(f))
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{
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tmp = fgets(line, sizeof(line), f);
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if (tmp == NULL) break;
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if (line[0] != '[') continue; // not section start
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if (strncmp(line + 1, section, len) == 0 && line[len+1] == ']')
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return 1; // found it
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}
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return 0;
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}
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static void custom_write(FILE *f, const menu_entry *me)
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{
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char *str, str24[24];
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switch (me->id)
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{
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case MA_OPT_RENDERER:
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if (!((defaultConfig.s_PicoOpt^PicoOpt)&0x10) &&
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!((defaultConfig.EmuOpt^currentConfig.EmuOpt)&0x80)) return;
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if (PicoOpt&0x10)
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str = "8bit fast";
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else if (currentConfig.EmuOpt&0x80)
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str = "16bit accurate";
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else
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str = "8bit accurate";
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fprintf(f, "Renderer = %s", str);
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break;
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case MA_OPT_SCALING:
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if (defaultConfig.scaling == currentConfig.scaling) return;
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switch (currentConfig.scaling) {
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default: str = "OFF"; break;
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case 1: str = "hw horizontal"; break;
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case 2: str = "hw horiz. + vert."; break;
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case 3: str = "sw horizontal"; break;
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}
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fprintf(f, "Scaling = %s", str);
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break;
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case MA_OPT_FRAMESKIP:
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if (defaultConfig.Frameskip == currentConfig.Frameskip) return;
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if (currentConfig.Frameskip < 0)
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strcpy(str24, "Auto");
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else sprintf(str24, "%i", currentConfig.Frameskip);
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fprintf(f, "Frameskip = %s", str24);
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break;
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case MA_OPT_SOUND_QUALITY:
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if (!((defaultConfig.s_PicoOpt^PicoOpt)&8) &&
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defaultConfig.s_PsndRate == PsndRate) return;
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str = (PicoOpt&0x08)?"stereo":"mono";
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fprintf(f, "Sound Quality = %i %s", PsndRate, str);
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break;
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case MA_OPT_REGION:
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if (defaultConfig.s_PicoRegion == PicoRegionOverride &&
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defaultConfig.s_PicoAutoRgnOrder == PicoAutoRgnOrder) return;
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fprintf(f, "Region = %s", me_region_name(PicoRegionOverride, PicoAutoRgnOrder));
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break;
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case MA_OPT_CONFIRM_STATES:
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if (!((defaultConfig.EmuOpt^currentConfig.EmuOpt)&(5<<9))) return;
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switch ((currentConfig.EmuOpt >> 9) & 5) {
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default: str = "OFF"; break;
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case 1: str = "writes"; break;
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case 4: str = "loads"; break;
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case 5: str = "both"; break;
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}
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fprintf(f, "Confirm savestate = %s", str);
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break;
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case MA_OPT_CPU_CLOCKS:
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if (defaultConfig.CPUclock == currentConfig.CPUclock) return;
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fprintf(f, "GP2X CPU clocks = %i", currentConfig.CPUclock);
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break;
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case MA_OPT2_GAMMA:
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if (defaultConfig.gamma == currentConfig.gamma) return;
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fprintf(f, "Gamma correction = %.3f", (double)currentConfig.gamma / 100.0);
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break;
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case MA_OPT2_SQUIDGEHACK:
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if (!((defaultConfig.EmuOpt^currentConfig.EmuOpt)&0x0010)) return;
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fprintf(f, "Squidgehack = %i", (currentConfig.EmuOpt&0x0010)>>4);
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break;
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case MA_CDOPT_READAHEAD:
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if (defaultConfig.s_PicoCDBuffers == PicoCDBuffers) return;
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sprintf(str24, "%i", PicoCDBuffers * 2);
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fprintf(f, "ReadAhead buffer = %s", str24);
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break;
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default:
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printf("unhandled custom_write: %i\n", me->id);
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return;
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}
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fprintf(f, NL);
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}
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int config_writesect(const char *fname, const char *section)
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{
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FILE *fo = NULL, *fn = NULL; // old and new
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menu_entry *me;
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int t, i, tlen, ret;
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char line[128], *tmp;
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if (section != NULL)
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{
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fo = fopen(fname, "r");
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if (fo == NULL) {
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fn = fopen(fname, "w");
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goto write;
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}
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ret = seek_sect(fo, section);
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if (!ret) {
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// sect not found, we can simply append
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fclose(fo); fo = NULL;
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fn = fopen(fname, "a");
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goto write;
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}
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// use 2 files..
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fclose(fo);
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rename(fname, "tmp.cfg");
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fo = fopen("tmp.cfg", "r");
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fn = fopen(fname, "w");
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if (fo == NULL || fn == NULL) goto write;
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// copy everything until sect
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tlen = strlen(section);
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while (!feof(fo))
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{
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tmp = fgets(line, sizeof(line), fo);
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if (tmp == NULL) break;
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if (line[0] == '[' && strncmp(line + 1, section, tlen) == 0 && line[tlen+1] == ']')
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break;
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fputs(line, fn);
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}
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// now skip to next sect
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while (!feof(fo))
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{
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tmp = fgets(line, sizeof(line), fo);
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if (tmp == NULL) break;
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if (line[0] == '[') {
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fseek(fo, -strlen(line), SEEK_CUR);
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break;
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}
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}
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if (feof(fo))
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{
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fclose(fo); fo = NULL;
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remove("tmp.cfg");
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}
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}
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else
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{
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fn = fopen(fname, "w");
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}
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write:
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if (fn == NULL) {
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if (fo) fclose(fo);
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return -1;
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}
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if (section != NULL)
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fprintf(fn, "[%s]" NL, section);
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for (t = 0; t < sizeof(cfg_opts) / sizeof(cfg_opts[0]); t++)
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{
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me = cfg_opts[t];
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tlen = *(cfg_opt_counts[t]);
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for (i = 0; i < tlen; i++, me++)
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{
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if (!me->need_to_save) continue;
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if ((me->beh != MB_ONOFF && me->beh != MB_RANGE) || me->name == NULL)
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custom_write(fn, me);
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else if (me->beh == MB_ONOFF)
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fprintf(fn, "%s = %i" NL, me->name, (*(int *)me->var & me->mask) ? 1 : 0);
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else if (me->beh == MB_RANGE)
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fprintf(fn, "%s = %i" NL, me->name, *(int *)me->var);
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}
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}
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fprintf(fn, NL);
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if (fo != NULL)
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{
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// copy whatever is left
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while (!feof(fo))
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{
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tmp = fgets(line, sizeof(line), fo);
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if (tmp == NULL) break;
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fputs(line, fn);
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}
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fclose(fo);
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remove("tmp.cfg");
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}
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fclose(fn);
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return 0;
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}
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static void mystrip(char *str)
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{
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int i, len;
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len = strlen(str);
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for (i = 0; i < len; i++)
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if (str[i] != ' ') break;
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if (i > 0) memmove(str, str + i, len - i + 1);
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len = strlen(str);
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for (i = len - 1; i >= 0; i--)
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if (str[i] != ' ') break;
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str[i+1] = 0;
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}
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int config_writelrom(const char *fname)
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{
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char line[128], *tmp, *optr = NULL;
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char *old_data = NULL;
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int size;
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FILE *f;
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if (strlen(currentConfig.lastRomFile) == 0) return 0;
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f = fopen(fname, "r");
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if (f != NULL)
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{
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fseek(f, 0, SEEK_END);
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size = ftell(f);
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fseek(f, 0, SEEK_SET);
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old_data = malloc(size + size/8);
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if (old_data != NULL)
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{
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optr = old_data;
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while (!feof(f))
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{
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tmp = fgets(line, sizeof(line), f);
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if (tmp == NULL) break;
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mystrip(line);
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if (strncasecmp(line, "LastUsedROM", 11) == 0)
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continue;
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sprintf(optr, "%s", line);
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optr += strlen(optr);
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}
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}
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fclose(f);
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}
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f = fopen(fname, "w");
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if (f == NULL) return -1;
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if (old_data != NULL) {
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fwrite(old_data, 1, optr - old_data, f);
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free(old_data);
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}
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fprintf(f, "LastUsedROM = %s" NL, currentConfig.lastRomFile);
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fclose(f);
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return 0;
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}
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static int custom_read(menu_entry *me, const char *var, const char *val)
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{
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char *tmp;
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int tmpi;
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switch (me->id)
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{
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case MA_OPT_RENDERER:
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if (strcasecmp(var, "Renderer") != 0) return 0;
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if (strcasecmp(val, "8bit fast") == 0) {
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PicoOpt |= 0x10;
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}
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else if (strcasecmp(val, "16bit accurate") == 0) {
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PicoOpt &= ~0x10;
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currentConfig.EmuOpt |= 0x80;
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}
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else if (strcasecmp(val, "8bit accurate") == 0) {
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PicoOpt &= ~0x10;
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currentConfig.EmuOpt &= ~0x80;
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}
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else
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return 0;
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return 1;
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case MA_OPT_SCALING:
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if (strcasecmp(var, "Scaling") != 0) return 0;
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if (strcasecmp(val, "OFF") == 0) {
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currentConfig.scaling = 0;
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} else if (strcasecmp(val, "hw horizontal") == 0) {
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currentConfig.scaling = 1;
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} else if (strcasecmp(val, "hw horiz. + vert.") == 0) {
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currentConfig.scaling = 2;
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} else if (strcasecmp(val, "sw horizontal") == 0) {
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currentConfig.scaling = 3;
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} else
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return 0;
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return 1;
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case MA_OPT_FRAMESKIP:
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if (strcasecmp(var, "Frameskip") != 0) return 0;
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if (strcasecmp(val, "Auto") == 0)
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currentConfig.Frameskip = -1;
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else currentConfig.Frameskip = atoi(val);
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return 1;
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case MA_OPT_SOUND_QUALITY:
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if (strcasecmp(var, "Sound Quality") != 0) return 0;
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PsndRate = strtoul(val, &tmp, 10);
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if (PsndRate < 8000 || PsndRate > 44100)
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PsndRate = 22050;
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while (*tmp == ' ') tmp++;
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if (strcasecmp(tmp, "stereo") == 0) {
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PicoOpt |= 8;
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} else if (strcasecmp(tmp, "mono") == 0) {
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PicoOpt &= ~8;
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} else
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return 0;
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return 1;
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case MA_OPT_REGION:
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if (strcasecmp(var, "Region") != 0) return 0;
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if (strncasecmp(val, "Auto: ", 6) == 0)
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{
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const char *p = val + 5, *end = val + strlen(val);
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int i;
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PicoRegionOverride = PicoAutoRgnOrder = 0;
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for (i = 0; p < end && i < 3; p += 3, i++) {
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if (p[0] == 'J' && p[1] == 'P') {
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PicoAutoRgnOrder |= 1 << (i*4);
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} else if (p[0] == 'U' && p[1] == 'S') {
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PicoAutoRgnOrder |= 4 << (i*4);
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} else if (p[0] == 'E' && p[1] == 'U') {
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PicoAutoRgnOrder |= 8 << (i*4);
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}
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}
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}
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else if (strcasecmp(val, "Auto") == 0) {
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PicoRegionOverride = 0;
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} else if (strcasecmp(val, "Japan NTSC") == 0) {
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PicoRegionOverride = 1;
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} else if (strcasecmp(val, "Japan PAL") == 0) {
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PicoRegionOverride = 2;
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} else if (strcasecmp(val, "USA") == 0) {
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PicoRegionOverride = 4;
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} else if (strcasecmp(val, "Europe") == 0) {
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PicoRegionOverride = 8;
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} else
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return 0;
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return 1;
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case MA_OPT_CONFIRM_STATES:
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if (strcasecmp(var, "Confirm savestate") != 0) return 0;
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if (strcasecmp(val, "OFF") == 0) {
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currentConfig.EmuOpt &= 5<<9;
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} else if (strcasecmp(val, "writes") == 0) {
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currentConfig.EmuOpt &= 5<<9;
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currentConfig.EmuOpt |= 1<<9;
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} else if (strcasecmp(val, "loads") == 0) {
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currentConfig.EmuOpt &= 5<<9;
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currentConfig.EmuOpt |= 4<<9;
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} else if (strcasecmp(val, "both") == 0) {
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currentConfig.EmuOpt &= 5<<9;
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currentConfig.EmuOpt |= 5<<9;
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} else
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return 0;
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return 1;
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case MA_OPT_CPU_CLOCKS:
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if (strcasecmp(var, "GP2X CPU clocks") != 0) return 0;
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currentConfig.CPUclock = atoi(val);
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return 1;
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case MA_OPT2_GAMMA:
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if (strcasecmp(var, "Gamma correction") != 0) return 0;
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currentConfig.gamma = (int) (atof(val) * 100.0);
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return 1;
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case MA_OPT2_SQUIDGEHACK:
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if (strcasecmp(var, "Squidgehack") != 0) return 0;
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tmpi = atoi(val);
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if (tmpi) *(int *)me->var |= me->mask;
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else *(int *)me->var &= ~me->mask;
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return 1;
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case MA_CDOPT_READAHEAD:
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if (strcasecmp(var, "ReadAhead buffer") != 0) return 0;
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PicoCDBuffers = atoi(val) / 2;
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return 1;
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default:
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if (strcasecmp(var, "LastUsedROM") == 0) {
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tmpi = sizeof(currentConfig.lastRomFile);
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strncpy(currentConfig.lastRomFile, val, tmpi);
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currentConfig.lastRomFile[tmpi-1] = 0;
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return 1;
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}
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printf("unhandled custom_read: %i\n", me->id);
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return 0;
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}
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}
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static void parse(const char *var, const char *val)
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{
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menu_entry *me;
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int t, i, tlen, tmp, ret = 0;
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for (t = 0; t < sizeof(cfg_opts) / sizeof(cfg_opts[0]) && ret == 0; t++)
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{
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me = cfg_opts[t];
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tlen = *(cfg_opt_counts[t]);
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for (i = 0; i < tlen && ret == 0; i++, me++)
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{
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if (!me->need_to_save) continue;
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if (me->name != NULL) {
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if (strcasecmp(var, me->name) != 0) continue; // surely not this one
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if (me->beh == MB_ONOFF) {
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tmp = atoi(val);
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if (tmp) *(int *)me->var |= me->mask;
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else *(int *)me->var &= ~me->mask;
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return;
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} else if (me->beh == MB_RANGE) {
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tmp = atoi(val);
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if (tmp < me->min) tmp = me->min;
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if (tmp > me->max) tmp = me->max;
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*(int *)me->var = tmp;
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return;
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}
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}
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ret = custom_read(me, var, val);
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||||
}
|
||||
}
|
||||
if (!ret) printf("config_readsect: unhandled var: %s\n", var);
|
||||
}
|
||||
|
||||
|
||||
int config_readsect(const char *fname, const char *section)
|
||||
{
|
||||
char line[128], *var, *val, *tmp;
|
||||
FILE *f = fopen(fname, "r");
|
||||
int len, i, ret;
|
||||
|
||||
if (f == NULL) return 0;
|
||||
|
||||
if (section != NULL)
|
||||
{
|
||||
ret = seek_sect(f, section);
|
||||
if (!ret) {
|
||||
printf("config_readsect: %s: missing section [%s]\n", fname, section);
|
||||
fclose(f);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
while (!feof(f))
|
||||
{
|
||||
tmp = fgets(line, sizeof(line), f);
|
||||
if (tmp == NULL) break;
|
||||
|
||||
if (line[0] == '[') break; // 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) continue;
|
||||
|
||||
// get var and val
|
||||
for (i = 0; i < len; i++)
|
||||
if (line[i] == '=') break;
|
||||
if (i >= len || strchr(&line[i+1], '=') != NULL) {
|
||||
printf("config_readsect: can't parse: %s\n", line);
|
||||
continue;
|
||||
}
|
||||
line[i] = 0;
|
||||
var = line;
|
||||
val = &line[i+1];
|
||||
mystrip(var);
|
||||
mystrip(val);
|
||||
if (strlen(var) == 0 || strlen(val) == 0) {
|
||||
printf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
|
||||
continue;
|
||||
}
|
||||
|
||||
parse(var, val);
|
||||
}
|
||||
|
||||
fclose(f);
|
||||
return 0;
|
||||
}
|
||||
|
||||
6
common/config.h
Normal file
6
common/config.h
Normal file
|
|
@ -0,0 +1,6 @@
|
|||
#include <stdio.h>
|
||||
|
||||
int config_writesect(const char *fname, const char *section);
|
||||
int config_writelrom(const char *fname);
|
||||
int config_readsect(const char *fname, const char *section);
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue