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vbagx/source/ngc/filebrowser.cpp
dborth 852f7875fa bugfix
2009-10-03 22:45:26 +00:00

647 lines
16 KiB
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/****************************************************************************
* Visual Boy Advance GX
*
* Tantric September 2008
*
* filebrowser.cpp
*
* Generic file routines - reading, writing, browsing
***************************************************************************/
#include <gccore.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wiiuse/wpad.h>
#include <sys/dir.h>
#include <malloc.h>
#ifdef HW_RVL
#include <di/di.h>
#endif
#include "vba.h"
#include "vbasupport.h"
#include "vmmem.h"
#include "filebrowser.h"
#include "menu.h"
#include "video.h"
#include "networkop.h"
#include "fileop.h"
#include "memcardop.h"
#include "input.h"
#include "gcunzip.h"
#include "wiiusbsupport.h"
BROWSERINFO browser;
BROWSERENTRY * browserList = NULL; // list of files/folders in browser
char szpath[MAXPATHLEN];
bool inSz = false;
char ROMFilename[512];
bool ROMLoaded = false;
/****************************************************************************
* autoLoadMethod()
* Auto-determines and sets the load device
* Returns device set
****************************************************************************/
int autoLoadMethod()
{
ShowAction ("Attempting to determine load device...");
int device = DEVICE_AUTO;
if(ChangeInterface(DEVICE_SD, SILENT))
device = DEVICE_SD;
else if(ChangeInterface(DEVICE_USB, SILENT))
device = DEVICE_USB;
else if(ChangeInterface(DEVICE_DVD, SILENT))
device = DEVICE_DVD;
else if(ChangeInterface(DEVICE_SMB, SILENT))
device = DEVICE_SMB;
else
ErrorPrompt("Unable to locate a load device!");
if(GCSettings.LoadMethod == DEVICE_AUTO)
GCSettings.LoadMethod = device; // save device found for later use
CancelAction();
return device;
}
/****************************************************************************
* autoSaveMethod()
* Auto-determines and sets the save device
* Returns device set
****************************************************************************/
int autoSaveMethod(bool silent)
{
if(!silent)
ShowAction ("Attempting to determine save device...");
int device = DEVICE_AUTO;
if(ChangeInterface(DEVICE_SD, SILENT))
device = DEVICE_SD;
else if(ChangeInterface(DEVICE_USB, SILENT))
device = DEVICE_USB;
else if(ChangeInterface(DEVICE_MC_SLOTA, SILENT))
device = DEVICE_MC_SLOTA;
else if(ChangeInterface(DEVICE_MC_SLOTB, SILENT))
device = DEVICE_MC_SLOTB;
else if(ChangeInterface(DEVICE_SMB, SILENT))
device = DEVICE_SMB;
else if(!silent)
ErrorPrompt("Unable to locate a save device!");
if(GCSettings.SaveMethod == DEVICE_AUTO)
GCSettings.SaveMethod = device; // save device found for later use
CancelAction();
return device;
}
/****************************************************************************
* ResetBrowser()
* Clears the file browser memory, and allocates one initial entry
***************************************************************************/
void ResetBrowser()
{
browser.numEntries = 0;
browser.selIndex = 0;
browser.pageIndex = 0;
// Clear any existing values
if(browserList != NULL)
{
free(browserList);
browserList = NULL;
}
// set aside space for 1 entry
browserList = (BROWSERENTRY *)malloc(sizeof(BROWSERENTRY));
memset(browserList, 0, sizeof(BROWSERENTRY));
browser.size = 1;
}
bool AddBrowserEntry()
{
BROWSERENTRY * newBrowserList = (BROWSERENTRY *)realloc(browserList, (browser.size+1) * sizeof(BROWSERENTRY));
if(!newBrowserList) // failed to allocate required memory
{
ResetBrowser();
ErrorPrompt("Out of memory: too many files!");
return false;
}
else
{
browserList = newBrowserList;
}
memset(&(browserList[browser.size]), 0, sizeof(BROWSERENTRY)); // clear the new entry
browser.size++;
return true;
}
/****************************************************************************
* CleanupPath()
* Cleans up the filepath, removing double // and replacing \ with /
***************************************************************************/
static void CleanupPath(char * path)
{
if(!path || path[0] == 0)
return;
int pathlen = strlen(path);
int j = 0;
for(int i=0; i < pathlen && i < MAXPATHLEN; i++)
{
if(path[i] == '\\')
path[i] = '/';
if(j == 0 || !(path[j-1] == '/' && path[i] == '/'))
path[j++] = path[i];
}
path[j] = 0;
}
bool IsDeviceRoot(char * path)
{
if(path == NULL || path[0] == 0)
return false;
if(strcmp(path, "sd:/") == 0 ||
strcmp(path, "usb:/") == 0 ||
strcmp(path, "dvd:/") == 0 ||
strcmp(path, "smb:/") == 0)
{
return true;
}
return false;
}
/****************************************************************************
* UpdateDirName()
* Update curent directory name for file browser
***************************************************************************/
int UpdateDirName()
{
int size=0;
char * test;
char temp[1024];
int device = 0;
if(browser.numEntries == 0)
return 1;
FindDevice(browser.dir, &device);
/* current directory doesn't change */
if (strcmp(browserList[browser.selIndex].filename,".") == 0)
{
return 0;
}
/* go up to parent directory */
else if (strcmp(browserList[browser.selIndex].filename,"..") == 0)
{
// already at the top level
if(IsDeviceRoot(browser.dir))
{
browser.dir[0] = 0; // remove device - we are going to the device listing screen
}
else
{
/* determine last subdirectory namelength */
sprintf(temp,"%s",browser.dir);
test = strtok(temp,"/");
while (test != NULL)
{
size = strlen(test);
test = strtok(NULL,"/");
}
/* remove last subdirectory name */
size = strlen(browser.dir) - size - 1;
browser.dir[size] = 0;
}
return 1;
}
/* Open a directory */
else
{
/* test new directory namelength */
if ((strlen(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) < MAXPATHLEN)
{
/* update current directory name */
sprintf(browser.dir, "%s%s/",browser.dir, browserList[browser.selIndex].filename);
return 1;
}
else
{
ErrorPrompt("Directory name is too long!");
return -1;
}
}
}
bool MakeFilePath(char filepath[], int type, char * filename, int filenum)
{
char file[512];
char folder[1024];
char ext[4];
char temppath[MAXPATHLEN];
if(type == FILE_ROM)
{
// Check path length
if ((strlen(browser.dir)+1+strlen(browserList[browser.selIndex].filename)) >= MAXPATHLEN)
{
ErrorPrompt("Maximum filepath length reached!");
filepath[0] = 0;
return false;
}
else
{
sprintf(temppath, "%s%s",browser.dir,browserList[browser.selIndex].filename);
}
}
else
{
if(GCSettings.SaveMethod == DEVICE_AUTO)
GCSettings.SaveMethod = autoSaveMethod(SILENT);
if(GCSettings.SaveMethod == DEVICE_AUTO)
return false;
switch(type)
{
case FILE_SRAM:
case FILE_SNAPSHOT:
sprintf(folder, GCSettings.SaveFolder);
if(type == FILE_SRAM) sprintf(ext, "sav");
else sprintf(ext, "sgm");
if(filenum >= -1)
{
if(GCSettings.SaveMethod == DEVICE_MC_SLOTA || GCSettings.SaveMethod == DEVICE_MC_SLOTB)
{
if(filenum > 9)
{
return false;
}
else if(filenum == -1)
{
filename[27] = 0; // truncate filename
sprintf(file, "%s.%s", filename, ext);
}
else
{
filename[26] = 0; // truncate filename
sprintf(file, "%s%i.%s", filename, filenum, ext);
}
}
else
{
if(filenum == -1)
sprintf(file, "%s.%s", filename, ext);
else if(filenum == 0)
sprintf(file, "%s Auto.%s", filename, ext);
else
sprintf(file, "%s %i.%s", filename, filenum, ext);
}
}
else
{
sprintf(file, "%s", filename);
}
break;
}
switch(GCSettings.SaveMethod)
{
case DEVICE_MC_SLOTA:
case DEVICE_MC_SLOTB:
sprintf (temppath, "%s%s", pathPrefix[GCSettings.SaveMethod], file);
temppath[31] = 0; // truncate filename
break;
default:
sprintf (temppath, "%s%s/%s", pathPrefix[GCSettings.SaveMethod], folder, file);
break;
}
}
CleanupPath(temppath); // cleanup path
strncpy(filepath, temppath, MAXPATHLEN);
return true;
}
/****************************************************************************
* FileSortCallback
*
* Quick sort callback to sort file entries with the following order:
* .
* ..
* <dirs>
* <files>
***************************************************************************/
int FileSortCallback(const void *f1, const void *f2)
{
/* Special case for implicit directories */
if(((BROWSERENTRY *)f1)->filename[0] == '.' || ((BROWSERENTRY *)f2)->filename[0] == '.')
{
if(strcmp(((BROWSERENTRY *)f1)->filename, ".") == 0) { return -1; }
if(strcmp(((BROWSERENTRY *)f2)->filename, ".") == 0) { return 1; }
if(strcmp(((BROWSERENTRY *)f1)->filename, "..") == 0) { return -1; }
if(strcmp(((BROWSERENTRY *)f2)->filename, "..") == 0) { return 1; }
}
/* If one is a file and one is a directory the directory is first. */
if(((BROWSERENTRY *)f1)->isdir && !(((BROWSERENTRY *)f2)->isdir)) return -1;
if(!(((BROWSERENTRY *)f1)->isdir) && ((BROWSERENTRY *)f2)->isdir) return 1;
return stricmp(((BROWSERENTRY *)f1)->filename, ((BROWSERENTRY *)f2)->filename);
}
/****************************************************************************
* IsSz
*
* Checks if the specified file is a 7z
***************************************************************************/
bool IsSz()
{
if (strlen(browserList[browser.selIndex].filename) > 4)
{
char * p = strrchr(browserList[browser.selIndex].filename, '.');
if (p != NULL)
if(stricmp(p, ".7z") == 0)
return true;
}
return false;
}
/****************************************************************************
* StripExt
*
* Strips an extension from a filename
***************************************************************************/
void StripExt(char* returnstring, char * inputstring)
{
char* loc_dot;
strncpy (returnstring, inputstring, MAXJOLIET);
if(inputstring == NULL || strlen(inputstring) < 4)
return;
loc_dot = strrchr(returnstring,'.');
if (loc_dot != NULL)
*loc_dot = 0; // strip file extension
}
// Shorten a ROM filename by removing the extension, URLs, id numbers and other rubbish
void ShortenFilename(char * returnstring, char * inputstring)
{
if (!inputstring) {
returnstring[0] = '\0';
return;
}
// skip URLs in brackets
char * dotcom = (char *) strstr(inputstring, ".com)");
char * url = NULL;
if (dotcom) {
url = (char *) strchr(inputstring, '(');
if (url >= dotcom) {
url = NULL;
dotcom = NULL;
} else dotcom+= 5; // point to after ')'
}
// skip URLs not in brackets
if (!dotcom) {
dotcom = (char *) strstr(inputstring, ".com");
url = NULL;
if (dotcom) {
url = (char *) strstr(inputstring, "www");
if (url >= dotcom) {
url = NULL;
dotcom = NULL;
} else dotcom+= 4; // point to after ')'
}
}
// skip file extension
char * loc_dot = (char *)strrchr(inputstring,'.');
char * s = (char *)inputstring;
char * r = (char *)returnstring;
// skip initial whitespace, numbers, - and _ ...
while ((*s!='\0' && *s<=' ') || *s=='-' || *s=='_' || *s=='+') s++;
// ... except those that SHOULD begin with numbers
if (strncmp(s,"3D",2)==0) for (int i=0; i<2; i++, r++, s++) *r=*s;
if (strncmp(s,"1st",3)==0 || strncmp(s,"2nd",3)==0 || strncmp(s,"3rd",3)==0 || strncmp(s,"4th",3)==0) for (int i=0; i<3; i++, r++, s++) *r=*s;
if (strncmp(s,"199",3)==0 || strncmp(s,"007",3)==0 || strncmp(s,"4x4",3)==0 || strncmp(s,"720",3)==0 || strncmp(s,"10 ",3)==0) for (int i=0; i<3; i++, r++, s++) *r=*s;
if (strncmp(s,"102 ",4)==0 || strncmp(s,"1942",4)==0 || strncmp(s,"3 Ch",4)==0) for (int i=0; i<4; i++, r++, s++) *r=*s;
if (strncmp(s,"2 in 1",6)==0 || strncmp(s,"3 in 1",6)==0 || strncmp(s,"4 in 1",6)==0) for (int i=0; i<6; i++, r++, s++) *r=*s;
if (strncmp(s,"2-in-1",6)==0 || strncmp(s,"3-in-1",6)==0 || strncmp(s,"4-in-1",6)==0) for (int i=0; i<6; i++, r++, s++) *r=*s;
while (*s>='0' && *s<='9') s++;
if (r==(char *)returnstring) while ((*s!='\0' && *s<=' ') || *s=='-' || *s=='_' || *s=='+') s++;
// now go through rest of string until we get to the end or the extension
while (*s!='\0' && (loc_dot==NULL || s<loc_dot)) {
// skip url
if (s==url) s=dotcom;
// skip whitespace, numbers, - and _ after url
if (s==dotcom) {
while ((*s>'\0' && *s<=' ') || *s=='-' || *s=='_') s++;
while (*s>='0' && *s<='9') s++;
while ((*s>'\0' && *s<=' ') || *s=='-' || *s=='_') s++;
}
// skip all but 1 '-', '_' or space in a row
char c = s[0];
if (c==s[1] && (c=='-' || c=='_' || c==' ')) s++;
// skip space before hyphen
if (*s==' ' && s[1]=='-') s++;
// copy character to result
if (*s=='_') *r=' ';
else *r = *s;
// skip spaces after hyphen
if (*s=='-') while (s[1]==' ') s++;
s++; r++;
}
*r = '\0';
// if the result is too short, abandon what we did and just strip the ext instead
if (strlen(returnstring) <= 4) StripExt(returnstring, inputstring);
}
/****************************************************************************
* BrowserLoadSz
*
* Opens the selected 7z file, and parses a listing of the files within
***************************************************************************/
int BrowserLoadSz()
{
char filepath[MAXPATHLEN];
memset(filepath, 0, MAXPATHLEN);
// we'll store the 7z filepath for extraction later
if(!MakeFilePath(szpath, FILE_ROM))
return 0;
int szfiles = SzParse(szpath);
if(szfiles)
{
browser.numEntries = szfiles;
inSz = true;
}
else
ErrorPrompt("Error opening archive!");
return szfiles;
}
/****************************************************************************
* BrowserLoadFile
*
* Loads the selected ROM
***************************************************************************/
int BrowserLoadFile()
{
int device;
if(!FindDevice(browser.dir, &device))
return 0;
// store the filename (w/o ext) - used for sram/freeze naming
StripExt(ROMFilename, browserList[browser.selIndex].filename);
ROMLoaded = LoadVBAROM();
if (!ROMLoaded)
{
if(inSz)
{
browser.selIndex = 0;
BrowserChangeFolder();
}
ErrorPrompt("Error loading ROM!");
}
else
{
if (GCSettings.AutoLoad == 1)
LoadBatteryOrStateAuto(FILE_SRAM, SILENT);
else if (GCSettings.AutoLoad == 2)
LoadBatteryOrStateAuto(FILE_SNAPSHOT, SILENT);
ResetBrowser();
}
CancelAction();
return ROMLoaded;
}
/****************************************************************************
* BrowserChangeFolder
*
* Update current directory and set new entry list if directory has changed
***************************************************************************/
int BrowserChangeFolder()
{
int device = 0;
FindDevice(browser.dir, &device);
if(inSz && browser.selIndex == 0) // inside a 7z, requesting to leave
{
inSz = false;
SzClose();
}
if(!UpdateDirName())
return -1;
CleanupPath(browser.dir);
HaltParseThread(); // halt parsing
ResetBrowser(); // reset browser
if(browser.dir[0] != 0)
ParseDirectory();
if(browser.numEntries == 0)
{
browser.dir[0] = 0;
int i=0;
AddBrowserEntry();
sprintf(browserList[i].filename, "sd:/");
sprintf(browserList[i].displayname, "SD Card");
browserList[i].length = 0;
browserList[i].mtime = 0;
browserList[i].isdir = 1;
browserList[i].icon = ICON_SD;
i++;
AddBrowserEntry();
sprintf(browserList[i].filename, "usb:/");
sprintf(browserList[i].displayname, "USB Mass Storage");
browserList[i].length = 0;
browserList[i].mtime = 0;
browserList[i].isdir = 1;
browserList[i].icon = ICON_USB;
i++;
#ifdef HW_RVL
AddBrowserEntry();
sprintf(browserList[i].filename, "smb:/");
sprintf(browserList[i].displayname, "Network Share");
browserList[i].length = 0;
browserList[i].mtime = 0;
browserList[i].isdir = 1;
browserList[i].icon = ICON_SMB;
i++;
#endif
AddBrowserEntry();
sprintf(browserList[i].filename, "dvd:/");
sprintf(browserList[i].displayname, "Data DVD");
browserList[i].length = 0;
browserList[i].mtime = 0;
browserList[i].isdir = 1;
browserList[i].icon = ICON_DVD;
i++;
browser.numEntries += i;
}
if(browser.dir[0] == 0)
{
GCSettings.LoadFolder[0] = 0;
GCSettings.LoadMethod = 0;
}
else
{
char * path = StripDevice(browser.dir);
if(path != NULL)
strcpy(GCSettings.LoadFolder, path);
FindDevice(browser.dir, &GCSettings.LoadMethod);
}
return browser.numEntries;
}
/****************************************************************************
* OpenROM
* Displays a list of ROMS on load device
***************************************************************************/
int
OpenGameList ()
{
int device = GCSettings.LoadMethod;
if(device == DEVICE_AUTO)
device = autoLoadMethod();
// change current dir to roms directory
if(device > 0)
sprintf(browser.dir, "%s%s/", pathPrefix[device], GCSettings.LoadFolder);
else
browser.dir[0] = 0;
BrowserChangeFolder();
return browser.numEntries;
}
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