RetroArch/console/console_ext.c

/*  SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
 *  Copyright (C) 2010-2012 - Hans-Kristian Arntzen
 *
 *  Some code herein may be based on code found in BSNES.
 * 
 *  SSNES 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 Found-
 *  ation, either version 3 of the License, or (at your option) any later version.
 *
 *  SSNES 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 SSNES.
 *  If not, see <http://www.gnu.org/licenses/>.
 */

#include <stdio.h>
#include <string.h>
#include "console_ext.h"
#include "../boolean.h"
#include "../libsnes.hpp"
#include "../input/input_luts.h"
#include "../general.h"
#include <string.h>
#include <ctype.h>

#ifdef HAVE_ZLIB
#include "szlib/zlib.h"

#define WRITEBUFFERSIZE (512192)
#endif

#ifdef _WIN32
#include "../posix_string.h"
#endif

const char *ssnes_console_get_rom_ext(void)
{
   const char *id = snes_library_id();

   // SNES9x / bSNES
   if (strstr(id, "SNES"))
      return "smc|fig|sfc|gd3|gd7|dx2|bsx|swc|zip|SMC|FIG|SFC|BSX|GD3|GD7|DX2|SWC|ZIP";
   // FCEU Next
   else if (strstr(id, "FCEU"))
      return "fds|FDS|zip|ZIP|nes|NES|unif|UNIF";
   // VBA Next / Meteor
   else if (strstr(id, "VBA") || strstr(id, "Meteor"))
      return "gb|gbc|gba|GBA|GB|GBC|zip|ZIP";
   // Gambatte
   else if (strstr(id, "gambatte"))
      return "gb|gbc|GB|GBC|zip|ZIP";
   // FBA Next
   else if (strstr(id, "FBA"))
      return "zip|ZIP";
   // Genesis Plus GX/Next
   else if (strstr(id, "Genesis Plus GX"))
      return "md|smd|bin|gen|zip|MD|SMD|bin|GEN|ZIP|sms|SMS|gg|GG|sg|SG";

   return NULL;
}

void ssnes_console_name_from_id(char *name, size_t size)
{
   if (size == 0)
      return;

   const char *id = snes_library_id();
   if (!id || strlen(id) >= size)
   {
      name[0] = '\0';
      return;
   }

   name[strlen(id)] = '\0';

   for (size_t i = 0; id[i] != '\0'; i++)
   {
      char c = id[i];
      if (isspace(c) || isblank(c))
         name[i] = '_';
      else
         name[i] = tolower(c);
   }
}

void ssnes_console_set_default_keybind_names_for_emulator (void)
{
   const char *id = snes_library_id();

   // Genesis Plus GX/Next
   if (strstr(id, "Genesis Plus GX"))
   {
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_B], "B button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_B]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_A], "C button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_A]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_X], "Y button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_X]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_Y], "A button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_Y]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_L], "X button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_L]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_R], "Z button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_R]));
   	strlcpy(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_SELECT], "Mode button", sizeof(ssnes_default_libsnes_keybind_name_lut[SNES_DEVICE_ID_JOYPAD_SELECT]));
   }
}

#ifdef HAVE_ZLIB
static int ssnes_extract_currentfile_in_zip(unzFile uf)
{
	char filename_inzip[256];
	int err=UNZ_OK;
	FILE *fout=NULL;
	void* buf;
	unsigned int size_buf;

	unz_file_info file_info;
	err = unzGetCurrentFileInfo(uf,&file_info,filename_inzip,sizeof(filename_inzip),NULL,0,NULL,0);

	if (err!=UNZ_OK)
	{
		SSNES_ERR("error %d with zipfile in unzGetCurrentFileInfo\n",err);
		return err;
	}

	size_buf = WRITEBUFFERSIZE;
	buf = (void*)malloc(size_buf);
	if (buf==NULL)
	{
		SSNES_ERR("Error allocating memory\n");
		return UNZ_INTERNALERROR;
	}

	char write_filename[1024];

	/* TODO: currently hardcoded for PS3, fix this */
	snprintf(write_filename, sizeof(write_filename), "/dev_hdd1/%s", filename_inzip);

	err = unzOpenCurrentFile(uf);
	if (err!=UNZ_OK)
	{
		/* failure */
		SSNES_ERR("error %d with zipfile in unzOpenCurrentFile\n",err);
	}
	else
	{
		/* success */
		fout=fopen(write_filename,"wb");

		if (fout==NULL)
		{
			SSNES_ERR("error opening %s\n",write_filename);
		}
	}

	if (fout!=NULL)
	{
		SSNES_LOG(" extracting: %s\n",write_filename);

		do
		{
			err = unzReadCurrentFile(uf,buf,size_buf);
			if (err<0)
			{
				SSNES_ERR("error %d with zipfile in unzReadCurrentFile\n",err);
				break;
			}
			if (err>0)
				if (fwrite(buf,err,1,fout)!=1)
				{
					SSNES_ERR("error in writing extracted file\n");
					err=UNZ_ERRNO;
					break;
				}
		}while (err>0);

		if (fout)
			fclose(fout);

	}

	if (err==UNZ_OK)
	{
		err = unzCloseCurrentFile (uf);
		if (err!=UNZ_OK)
		{
			SSNES_ERR("error %d with zipfile in unzCloseCurrentFile\n",err);
		}
	}
	else
		unzCloseCurrentFile(uf); 

	free(buf);
	return err;
}

int ssnes_extract_zipfile(const char * zip_path)
{
	unsigned long i;
	unz_global_info gi;
	int err;
	unzFile uf;

	uf = unzOpen(zip_path); 

	err = unzGetGlobalInfo(uf,&gi);
	if (err!=UNZ_OK)
	{
		SSNES_ERR("error %d with zipfile in unzGetGlobalInfo \n",err);
	}

	for (i = 0; i < gi.number_entry; i++)
	{
		if (ssnes_extract_currentfile_in_zip(uf) != UNZ_OK)
			break;

		if ((i+1)<gi.number_entry)
		{
			err = unzGoToNextFile(uf);
			if (err!=UNZ_OK)
			{
				SSNES_ERR("error %d with zipfile in unzGoToNextFile\n",err);
				break;
			}
		}
	}

	return 0;
}
#endif